diff options
author | marha <marha@users.sourceforge.net> | 2010-05-16 20:50:58 +0000 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2010-05-16 20:50:58 +0000 |
commit | 1c94119ae26b94a60bb2c2b33494ed43c3b8a52f (patch) | |
tree | cfe0c736c95314edac7d9f1065be9c13026ed0c1 /xorg-server/dix | |
parent | 6b29aa4559aeb6f795caee047561654bfa0a1954 (diff) | |
download | vcxsrv-1c94119ae26b94a60bb2c2b33494ed43c3b8a52f.tar.gz vcxsrv-1c94119ae26b94a60bb2c2b33494ed43c3b8a52f.tar.bz2 vcxsrv-1c94119ae26b94a60bb2c2b33494ed43c3b8a52f.zip |
svn merge -r588:HEAD ^/branches/released .
Diffstat (limited to 'xorg-server/dix')
-rw-r--r-- | xorg-server/dix/atom.c | 430 | ||||
-rw-r--r-- | xorg-server/dix/colormap.c | 154 | ||||
-rw-r--r-- | xorg-server/dix/cursor.c | 1024 | ||||
-rw-r--r-- | xorg-server/dix/devices.c | 5036 | ||||
-rw-r--r-- | xorg-server/dix/dispatch.c | 448 | ||||
-rw-r--r-- | xorg-server/dix/dixfonts.c | 173 | ||||
-rw-r--r-- | xorg-server/dix/dixutils.c | 36 | ||||
-rw-r--r-- | xorg-server/dix/eventconvert.c | 1438 | ||||
-rw-r--r-- | xorg-server/dix/events.c | 11830 | ||||
-rw-r--r-- | xorg-server/dix/extension.c | 716 | ||||
-rw-r--r-- | xorg-server/dix/gc.c | 2392 | ||||
-rw-r--r-- | xorg-server/dix/getevents.c | 18 | ||||
-rw-r--r-- | xorg-server/dix/glyphcurs.c | 383 | ||||
-rw-r--r-- | xorg-server/dix/grabs.c | 1120 | ||||
-rw-r--r-- | xorg-server/dix/inpututils.c | 668 | ||||
-rw-r--r-- | xorg-server/dix/main.c | 6 | ||||
-rw-r--r-- | xorg-server/dix/pixmap.c | 244 | ||||
-rw-r--r-- | xorg-server/dix/privates.c | 604 | ||||
-rw-r--r-- | xorg-server/dix/property.c | 1294 | ||||
-rw-r--r-- | xorg-server/dix/ptrveloc.c | 10 | ||||
-rw-r--r-- | xorg-server/dix/registry.c | 674 | ||||
-rw-r--r-- | xorg-server/dix/resource.c | 30 | ||||
-rw-r--r-- | xorg-server/dix/selection.c | 626 | ||||
-rw-r--r-- | xorg-server/dix/swaprep.c | 2616 | ||||
-rw-r--r-- | xorg-server/dix/window.c | 7775 |
25 files changed, 19753 insertions, 19992 deletions
diff --git a/xorg-server/dix/atom.c b/xorg-server/dix/atom.c index f5bf8ad7e..210641bd4 100644 --- a/xorg-server/dix/atom.c +++ b/xorg-server/dix/atom.c @@ -1,212 +1,218 @@ -/*********************************************************** - -Copyright 1987, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ - - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <X11/X.h> -#include <X11/Xatom.h> -#include <stdio.h> -#include <string.h> -#include "misc.h" -#include "resource.h" -#include "dix.h" - -#define InitialTableSize 100 - -typedef struct _Node { - struct _Node *left, *right; - Atom a; - unsigned int fingerPrint; - const char *string; -} NodeRec, *NodePtr; - -static Atom lastAtom = None; -static NodePtr atomRoot = (NodePtr)NULL; -static unsigned long tableLength; -static NodePtr *nodeTable; - -void FreeAtom(NodePtr patom); - -Atom -MakeAtom(const char *string, unsigned len, Bool makeit) -{ - NodePtr * np; - unsigned i; - int comp; - unsigned int fp = 0; - - np = &atomRoot; - for (i = 0; i < (len+1)/2; i++) - { - fp = fp * 27 + string[i]; - fp = fp * 27 + string[len - 1 - i]; - } - while (*np != (NodePtr) NULL) - { - if (fp < (*np)->fingerPrint) - np = &((*np)->left); - else if (fp > (*np)->fingerPrint) - np = &((*np)->right); - else - { /* now start testing the strings */ - comp = strncmp(string, (*np)->string, (int)len); - if ((comp < 0) || ((comp == 0) && (len < strlen((*np)->string)))) - np = &((*np)->left); - else if (comp > 0) - np = &((*np)->right); - else - return(*np)->a; - } - } - if (makeit) - { - NodePtr nd; - - nd = xalloc(sizeof(NodeRec)); - if (!nd) - return BAD_RESOURCE; - if (lastAtom < XA_LAST_PREDEFINED) - { - nd->string = string; - } - else - { - char *newstring = xalloc(len + 1); - if (!newstring) { - xfree(nd); - return BAD_RESOURCE; - } - strncpy(newstring, string, (int)len); - newstring[len] = 0; - nd->string = newstring; - } - if ((lastAtom + 1) >= tableLength) { - NodePtr *table; - - table = (NodePtr *) xrealloc(nodeTable, - tableLength * (2 * sizeof(NodePtr))); - if (!table) { - if (nd->string != string) - xfree(nd->string); - xfree(nd); - return BAD_RESOURCE; - } - tableLength <<= 1; - nodeTable = table; - } - *np = nd; - nd->left = nd->right = (NodePtr) NULL; - nd->fingerPrint = fp; - nd->a = (++lastAtom); - *(nodeTable+lastAtom) = nd; - return nd->a; - } - else - return None; -} - -Bool -ValidAtom(Atom atom) -{ - return (atom != None) && (atom <= lastAtom); -} - -const char * -NameForAtom(Atom atom) -{ - NodePtr node; - if (atom > lastAtom) return 0; - if ((node = nodeTable[atom]) == (NodePtr)NULL) return 0; - return node->string; -} - -void -AtomError(void) -{ - FatalError("initializing atoms"); -} - -void -FreeAtom(NodePtr patom) -{ - if(patom->left) - FreeAtom(patom->left); - if(patom->right) - FreeAtom(patom->right); - if (patom->a > XA_LAST_PREDEFINED) - xfree(patom->string); - xfree(patom); -} - -void -FreeAllAtoms(void) -{ - if(atomRoot == (NodePtr)NULL) - return; - FreeAtom(atomRoot); - atomRoot = (NodePtr)NULL; - xfree(nodeTable); - nodeTable = (NodePtr *)NULL; - lastAtom = None; -} - -void -InitAtoms(void) -{ - FreeAllAtoms(); - tableLength = InitialTableSize; - nodeTable = xalloc(InitialTableSize*sizeof(NodePtr)); - if (!nodeTable) - AtomError(); - nodeTable[None] = (NodePtr)NULL; - MakePredeclaredAtoms(); - if (lastAtom != XA_LAST_PREDEFINED) - AtomError (); -} +/***********************************************************
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xatom.h>
+#include <stdio.h>
+#include <string.h>
+#include "misc.h"
+#include "resource.h"
+#include "dix.h"
+
+#define InitialTableSize 100
+
+typedef struct _Node {
+ struct _Node *left, *right;
+ Atom a;
+ unsigned int fingerPrint;
+ const char *string;
+} NodeRec, *NodePtr;
+
+static Atom lastAtom = None;
+static NodePtr atomRoot = NULL;
+static unsigned long tableLength;
+static NodePtr *nodeTable;
+
+void FreeAtom(NodePtr patom);
+
+Atom
+MakeAtom(const char *string, unsigned len, Bool makeit)
+{
+ NodePtr * np;
+ unsigned i;
+ int comp;
+ unsigned int fp = 0;
+
+ np = &atomRoot;
+ for (i = 0; i < (len+1)/2; i++)
+ {
+ fp = fp * 27 + string[i];
+ fp = fp * 27 + string[len - 1 - i];
+ }
+ while (*np != NULL)
+ {
+ if (fp < (*np)->fingerPrint)
+ np = &((*np)->left);
+ else if (fp > (*np)->fingerPrint)
+ np = &((*np)->right);
+ else
+ { /* now start testing the strings */
+ comp = strncmp(string, (*np)->string, (int)len);
+ if ((comp < 0) || ((comp == 0) && (len < strlen((*np)->string))))
+ np = &((*np)->left);
+ else if (comp > 0)
+ np = &((*np)->right);
+ else
+ return(*np)->a;
+ }
+ }
+ if (makeit)
+ {
+ NodePtr nd;
+
+ nd = malloc(sizeof(NodeRec));
+ if (!nd)
+ return BAD_RESOURCE;
+ if (lastAtom < XA_LAST_PREDEFINED)
+ {
+ nd->string = string;
+ }
+ else
+ {
+ char *newstring = malloc(len + 1);
+ if (!newstring) {
+ free(nd);
+ return BAD_RESOURCE;
+ }
+ strncpy(newstring, string, (int)len);
+ newstring[len] = 0;
+ nd->string = newstring;
+ }
+ if ((lastAtom + 1) >= tableLength) {
+ NodePtr *table;
+
+ table = realloc(nodeTable, tableLength * (2 * sizeof(NodePtr)));
+ if (!table) {
+ if (nd->string != string) {
+ /* nd->string has been strdup'ed */
+ free((char *)nd->string);
+ }
+ free(nd);
+ return BAD_RESOURCE;
+ }
+ tableLength <<= 1;
+ nodeTable = table;
+ }
+ *np = nd;
+ nd->left = nd->right = NULL;
+ nd->fingerPrint = fp;
+ nd->a = ++lastAtom;
+ nodeTable[lastAtom] = nd;
+ return nd->a;
+ }
+ else
+ return None;
+}
+
+Bool
+ValidAtom(Atom atom)
+{
+ return (atom != None) && (atom <= lastAtom);
+}
+
+const char *
+NameForAtom(Atom atom)
+{
+ NodePtr node;
+ if (atom > lastAtom) return 0;
+ if ((node = nodeTable[atom]) == NULL) return 0;
+ return node->string;
+}
+
+void
+AtomError(void)
+{
+ FatalError("initializing atoms");
+}
+
+void
+FreeAtom(NodePtr patom)
+{
+ if(patom->left)
+ FreeAtom(patom->left);
+ if(patom->right)
+ FreeAtom(patom->right);
+ if (patom->a > XA_LAST_PREDEFINED) {
+ /*
+ * All strings above XA_LAST_PREDEFINED are strdup'ed, so it's safe to
+ * cast here
+ */
+ free((char *)patom->string);
+ }
+ free(patom);
+}
+
+void
+FreeAllAtoms(void)
+{
+ if (atomRoot == NULL)
+ return;
+ FreeAtom(atomRoot);
+ atomRoot = NULL;
+ free(nodeTable);
+ nodeTable = NULL;
+ lastAtom = None;
+}
+
+void
+InitAtoms(void)
+{
+ FreeAllAtoms();
+ tableLength = InitialTableSize;
+ nodeTable = malloc(InitialTableSize * sizeof(NodePtr));
+ if (!nodeTable)
+ AtomError();
+ nodeTable[None] = NULL;
+ MakePredeclaredAtoms();
+ if (lastAtom != XA_LAST_PREDEFINED)
+ AtomError();
+}
diff --git a/xorg-server/dix/colormap.c b/xorg-server/dix/colormap.c index cd2101e4a..8bd41ce67 100644 --- a/xorg-server/dix/colormap.c +++ b/xorg-server/dix/colormap.c @@ -69,8 +69,6 @@ SOFTWARE. #define UpdateColors thisUpdateColors
#endif
-extern XID clientErrorValue;
-
static Pixel FindBestPixel(
EntryPtr /*pentFirst*/,
int /*size*/,
@@ -278,7 +276,7 @@ CreateColormap (Colormap mid, ScreenPtr pScreen, VisualPtr pVisual, if ((class | DynamicClass) == DirectColor)
sizebytes *= 3;
sizebytes += sizeof(ColormapRec);
- pmap = xalloc(sizebytes);
+ pmap = malloc(sizebytes);
if (!pmap)
return (BadAlloc);
#if defined(_XSERVER64)
@@ -314,10 +312,10 @@ CreateColormap (Colormap mid, ScreenPtr pScreen, VisualPtr pVisual, for (pent = &pmap->red[size - 1]; pent >= pmap->red; pent--)
pent->refcnt = AllocPrivate;
pmap->freeRed = 0;
- ppix = xalloc(size * sizeof(Pixel));
+ ppix = malloc(size * sizeof(Pixel));
if (!ppix)
{
- xfree(pmap);
+ free(pmap);
return (BadAlloc);
}
pmap->clientPixelsRed[client] = ppix;
@@ -360,11 +358,11 @@ CreateColormap (Colormap mid, ScreenPtr pScreen, VisualPtr pVisual, for(pent = &pmap->green[size-1]; pent >= pmap->green; pent--)
pent->refcnt = AllocPrivate;
pmap->freeGreen = 0;
- ppix = xalloc(size * sizeof(Pixel));
+ ppix = malloc(size * sizeof(Pixel));
if (!ppix)
{
- xfree(pmap->clientPixelsRed[client]);
- xfree(pmap);
+ free(pmap->clientPixelsRed[client]);
+ free(pmap);
return(BadAlloc);
}
pmap->clientPixelsGreen[client] = ppix;
@@ -376,12 +374,12 @@ CreateColormap (Colormap mid, ScreenPtr pScreen, VisualPtr pVisual, for(pent = &pmap->blue[size-1]; pent >= pmap->blue; pent--)
pent->refcnt = AllocPrivate;
pmap->freeBlue = 0;
- ppix = xalloc(size * sizeof(Pixel));
+ ppix = malloc(size * sizeof(Pixel));
if (!ppix)
{
- xfree(pmap->clientPixelsGreen[client]);
- xfree(pmap->clientPixelsRed[client]);
- xfree(pmap);
+ free(pmap->clientPixelsGreen[client]);
+ free(pmap->clientPixelsRed[client]);
+ free(pmap);
return(BadAlloc);
}
pmap->clientPixelsBlue[client] = ppix;
@@ -443,7 +441,7 @@ FreeColormap (pointer value, XID mid) if(pmap->clientPixelsRed)
{
for(i = 0; i < MAXCLIENTS; i++)
- xfree(pmap->clientPixelsRed[i]);
+ free(pmap->clientPixelsRed[i]);
}
if ((pmap->class == PseudoColor) || (pmap->class == GrayScale))
@@ -455,11 +453,11 @@ FreeColormap (pointer value, XID mid) if(pent->fShared)
{
if (--pent->co.shco.red->refcnt == 0)
- xfree(pent->co.shco.red);
+ free(pent->co.shco.red);
if (--pent->co.shco.green->refcnt == 0)
- xfree(pent->co.shco.green);
+ free(pent->co.shco.green);
if (--pent->co.shco.blue->refcnt == 0)
- xfree(pent->co.shco.blue);
+ free(pent->co.shco.blue);
}
}
}
@@ -467,13 +465,13 @@ FreeColormap (pointer value, XID mid) {
for(i = 0; i < MAXCLIENTS; i++)
{
- xfree(pmap->clientPixelsGreen[i]);
- xfree(pmap->clientPixelsBlue[i]);
+ free(pmap->clientPixelsGreen[i]);
+ free(pmap->clientPixelsBlue[i]);
}
}
dixFreePrivates(pmap->devPrivates);
- xfree(pmap);
+ free(pmap);
return(Success);
}
@@ -724,11 +722,11 @@ FreeCell (ColormapPtr pmap, Pixel i, int channel) if (pent->fShared)
{
if(--pent->co.shco.red->refcnt == 0)
- xfree(pent->co.shco.red);
+ free(pent->co.shco.red);
if(--pent->co.shco.green->refcnt == 0)
- xfree(pent->co.shco.green);
+ free(pent->co.shco.green);
if(--pent->co.shco.blue->refcnt == 0)
- xfree(pent->co.shco.blue);
+ free(pent->co.shco.blue);
pent->fShared = FALSE;
}
pent->refcnt = 0;
@@ -747,7 +745,7 @@ UpdateColors (ColormapPtr pmap) pVisual = pmap->pVisual;
size = pVisual->ColormapEntries;
- defs = xalloc(size * sizeof(xColorItem));
+ defs = malloc(size * sizeof(xColorItem));
if (!defs)
return;
n = 0;
@@ -797,7 +795,7 @@ UpdateColors (ColormapPtr pmap) }
if (n)
(*pmap->pScreen->StoreColors)(pmap, n, defs);
- xfree(defs);
+ free(defs);
}
/* Get a read-only color from a ColorMap (probably slow for large maps)
@@ -844,7 +842,7 @@ AllocColor (ColormapPtr pmap, *pgreen = pmap->red[pixR].co.local.green;
*pblue = pmap->red[pixR].co.local.blue;
npix = pmap->numPixelsRed[client];
- ppix = (Pixel *) xrealloc(pmap->clientPixelsRed[client],
+ ppix = (Pixel *) realloc(pmap->clientPixelsRed[client],
(npix + 1) * sizeof(Pixel));
if (!ppix)
return (BadAlloc);
@@ -867,21 +865,21 @@ AllocColor (ColormapPtr pmap, *pgreen = pmap->green[pixG].co.local.green;
*pblue = pmap->blue[pixB].co.local.blue;
npix = pmap->numPixelsRed[client];
- ppix = (Pixel *) xrealloc(pmap->clientPixelsRed[client],
+ ppix = (Pixel *) realloc(pmap->clientPixelsRed[client],
(npix + 1) * sizeof(Pixel));
if (!ppix)
return (BadAlloc);
ppix[npix] = pixR;
pmap->clientPixelsRed[client] = ppix;
npix = pmap->numPixelsGreen[client];
- ppix = (Pixel *) xrealloc(pmap->clientPixelsGreen[client],
+ ppix = (Pixel *) realloc(pmap->clientPixelsGreen[client],
(npix + 1) * sizeof(Pixel));
if (!ppix)
return (BadAlloc);
ppix[npix] = pixG;
pmap->clientPixelsGreen[client] = ppix;
npix = pmap->numPixelsBlue[client];
- ppix = (Pixel *) xrealloc(pmap->clientPixelsBlue[client],
+ ppix = (Pixel *) realloc(pmap->clientPixelsBlue[client],
(npix + 1) * sizeof(Pixel));
if (!ppix)
return (BadAlloc);
@@ -966,7 +964,7 @@ AllocColor (ColormapPtr pmap, {
colorResource *pcr;
- pcr = xalloc(sizeof(colorResource));
+ pcr = malloc(sizeof(colorResource));
if (!pcr)
{
(void)FreeColors(pmap, client, 1, pPix, (Pixel)0);
@@ -1352,7 +1350,7 @@ gotit: break;
}
npix = nump[client];
- ppix = (Pixel *) xrealloc (pixp[client], (npix + 1) * sizeof(Pixel));
+ ppix = (Pixel *) realloc(pixp[client], (npix + 1) * sizeof(Pixel));
if (!ppix)
{
pent->refcnt--;
@@ -1419,7 +1417,7 @@ BlueComp (EntryPtr pent, xrgb *prgb) /* Read the color value of a cell */
int
-QueryColors (ColormapPtr pmap, int count, Pixel *ppixIn, xrgb *prgbList)
+QueryColors (ColormapPtr pmap, int count, Pixel *ppixIn, xrgb *prgbList, ClientPtr client)
{
Pixel *ppix, pixel;
xrgb *prgb;
@@ -1442,14 +1440,14 @@ QueryColors (ColormapPtr pmap, int count, Pixel *ppixIn, xrgb *prgbList) {
pixel = *ppix;
if (pixel & rgbbad) {
- clientErrorValue = pixel;
+ client->errorValue = pixel;
errVal = BadValue;
continue;
}
i = (pixel & pVisual->redMask) >> pVisual->offsetRed;
if (i >= numred)
{
- clientErrorValue = pixel;
+ client->errorValue = pixel;
errVal = BadValue;
continue;
}
@@ -1457,7 +1455,7 @@ QueryColors (ColormapPtr pmap, int count, Pixel *ppixIn, xrgb *prgbList) i = (pixel & pVisual->greenMask) >> pVisual->offsetGreen;
if (i >= numgreen)
{
- clientErrorValue = pixel;
+ client->errorValue = pixel;
errVal = BadValue;
continue;
}
@@ -1465,7 +1463,7 @@ QueryColors (ColormapPtr pmap, int count, Pixel *ppixIn, xrgb *prgbList) i = (pixel & pVisual->blueMask) >> pVisual->offsetBlue;
if (i >= numblue)
{
- clientErrorValue = pixel;
+ client->errorValue = pixel;
errVal = BadValue;
continue;
}
@@ -1479,7 +1477,7 @@ QueryColors (ColormapPtr pmap, int count, Pixel *ppixIn, xrgb *prgbList) pixel = *ppix;
if (pixel >= pVisual->ColormapEntries)
{
- clientErrorValue = pixel;
+ client->errorValue = pixel;
errVal = BadValue;
}
else
@@ -1522,7 +1520,7 @@ FreePixels(ColormapPtr pmap, int client) }
}
- xfree(ppixStart);
+ free(ppixStart);
pmap->clientPixelsRed[client] = (Pixel *) NULL;
pmap->numPixelsRed[client] = 0;
if ((class | DynamicClass) == DirectColor)
@@ -1531,7 +1529,7 @@ FreePixels(ColormapPtr pmap, int client) if (class & DynamicClass)
for (ppix = ppixStart, n = pmap->numPixelsGreen[client]; --n >= 0;)
FreeCell(pmap, *ppix++, GREENMAP);
- xfree(ppixStart);
+ free(ppixStart);
pmap->clientPixelsGreen[client] = (Pixel *) NULL;
pmap->numPixelsGreen[client] = 0;
@@ -1539,7 +1537,7 @@ FreePixels(ColormapPtr pmap, int client) if (class & DynamicClass)
for (ppix = ppixStart, n = pmap->numPixelsBlue[client]; --n >= 0; )
FreeCell(pmap, *ppix++, BLUEMAP);
- xfree(ppixStart);
+ free(ppixStart);
pmap->clientPixelsBlue[client] = (Pixel *) NULL;
pmap->numPixelsBlue[client] = 0;
}
@@ -1562,7 +1560,7 @@ FreeClientPixels (pointer value, XID fakeid) DixRemoveAccess);
if (rc == Success)
FreePixels((ColormapPtr)pmap, pcr->client);
- xfree(pcr);
+ free(pcr);
return Success;
}
@@ -1584,7 +1582,7 @@ AllocColorCells (int client, ColormapPtr pmap, int colors, int planes, oldcount += pmap->numPixelsGreen[client] + pmap->numPixelsBlue[client];
if (!oldcount && (CLIENT_ID(pmap->mid) != client))
{
- pcr = xalloc(sizeof(colorResource));
+ pcr = malloc(sizeof(colorResource));
if (!pcr)
return (BadAlloc);
}
@@ -1632,7 +1630,7 @@ AllocColorCells (int client, ColormapPtr pmap, int colors, int planes, if (!AddResource(FakeClientID(client), RT_CMAPENTRY, (pointer)pcr))
ok = BadAlloc;
} else if (pcr)
- xfree(pcr);
+ free(pcr);
return (ok);
}
@@ -1659,7 +1657,7 @@ AllocColorPlanes (int client, ColormapPtr pmap, int colors, oldcount += pmap->numPixelsGreen[client] + pmap->numPixelsBlue[client];
if (!oldcount && (CLIENT_ID(pmap->mid) != client))
{
- pcr = xalloc(sizeof(colorResource));
+ pcr = malloc(sizeof(colorResource));
if (!pcr)
return (BadAlloc);
}
@@ -1723,7 +1721,7 @@ AllocColorPlanes (int client, ColormapPtr pmap, int colors, if (!AddResource(FakeClientID(client), RT_CMAPENTRY, (pointer)pcr))
ok = BadAlloc;
} else if (pcr)
- xfree(pcr);
+ free(pcr);
return (ok);
}
@@ -1751,14 +1749,14 @@ AllocDirect (int client, ColormapPtr pmap, int c, int r, int g, int b, Bool cont for(p = pixels; p < pixels + c; p++)
*p = 0;
- ppixRed = xalloc(npixR * sizeof(Pixel));
- ppixGreen = xalloc(npixG * sizeof(Pixel));
- ppixBlue = xalloc(npixB * sizeof(Pixel));
+ ppixRed = malloc(npixR * sizeof(Pixel));
+ ppixGreen = malloc(npixG * sizeof(Pixel));
+ ppixBlue = malloc(npixB * sizeof(Pixel));
if (!ppixRed || !ppixGreen || !ppixBlue)
{
- if (ppixBlue) xfree(ppixBlue);
- if (ppixGreen) xfree(ppixGreen);
- if (ppixRed) xfree(ppixRed);
+ if (ppixBlue) free(ppixBlue);
+ if (ppixGreen) free(ppixGreen);
+ if (ppixRed) free(ppixRed);
return(BadAlloc);
}
@@ -1768,17 +1766,17 @@ AllocDirect (int client, ColormapPtr pmap, int c, int r, int g, int b, Bool cont if (okR && okG && okB)
{
- rpix = (Pixel *) xrealloc(pmap->clientPixelsRed[client],
+ rpix = (Pixel *) realloc(pmap->clientPixelsRed[client],
(pmap->numPixelsRed[client] + (c << r)) *
sizeof(Pixel));
if (rpix)
pmap->clientPixelsRed[client] = rpix;
- gpix = (Pixel *) xrealloc(pmap->clientPixelsGreen[client],
+ gpix = (Pixel *) realloc(pmap->clientPixelsGreen[client],
(pmap->numPixelsGreen[client] + (c << g)) *
sizeof(Pixel));
if (gpix)
pmap->clientPixelsGreen[client] = gpix;
- bpix = (Pixel *) xrealloc(pmap->clientPixelsBlue[client],
+ bpix = (Pixel *) realloc(pmap->clientPixelsBlue[client],
(pmap->numPixelsBlue[client] + (c << b)) *
sizeof(Pixel));
if (bpix)
@@ -1796,9 +1794,9 @@ AllocDirect (int client, ColormapPtr pmap, int c, int r, int g, int b, Bool cont if (okB)
for(ppix = ppixBlue, npix = npixB; --npix >= 0; ppix++)
pmap->blue[*ppix].refcnt = 0;
- xfree(ppixBlue);
- xfree(ppixGreen);
- xfree(ppixRed);
+ free(ppixBlue);
+ free(ppixGreen);
+ free(ppixRed);
return(BadAlloc);
}
@@ -1840,9 +1838,9 @@ AllocDirect (int client, ColormapPtr pmap, int c, int r, int g, int b, Bool cont for (pDst = pixels; pDst < pixels + c; pDst++)
*pDst |= ALPHAMASK(pmap->pVisual);
- xfree(ppixBlue);
- xfree(ppixGreen);
- xfree(ppixRed);
+ free(ppixBlue);
+ free(ppixGreen);
+ free(ppixRed);
return (Success);
}
@@ -1858,7 +1856,7 @@ AllocPseudo (int client, ColormapPtr pmap, int c, int r, Bool contig, npix = c << r;
if ((r >= 32) || (npix > pmap->freeRed) || (npix < c))
return(BadAlloc);
- if(!(ppixTemp = xalloc(npix * sizeof(Pixel))))
+ if(!(ppixTemp = malloc(npix * sizeof(Pixel))))
return(BadAlloc);
ok = AllocCP(pmap, pmap->red, c, r, contig, ppixTemp, pmask);
@@ -1867,7 +1865,7 @@ AllocPseudo (int client, ColormapPtr pmap, int c, int r, Bool contig, /* all the allocated pixels are added to the client pixel list,
* but only the unique ones are returned to the client */
- ppix = (Pixel *)xrealloc(pmap->clientPixelsRed[client],
+ ppix = (Pixel *)realloc(pmap->clientPixelsRed[client],
(pmap->numPixelsRed[client] + npix) * sizeof(Pixel));
if (!ppix)
{
@@ -1888,7 +1886,7 @@ AllocPseudo (int client, ColormapPtr pmap, int c, int r, Bool contig, pmap->numPixelsRed[client] += npix;
pmap->freeRed -= npix;
}
- xfree(ppixTemp);
+ free(ppixTemp);
return (ok ? Success : BadAlloc);
}
@@ -2088,16 +2086,16 @@ AllocShared (ColormapPtr pmap, Pixel *ppix, int c, int r, int g, int b, npixClientNew = c << (r + g + b);
npixShared = (c << r) + (c << g) + (c << b);
- psharedList = xalloc(npixShared * sizeof(SHAREDCOLOR *));
+ psharedList = malloc(npixShared * sizeof(SHAREDCOLOR *));
if (!psharedList)
return FALSE;
ppshared = psharedList;
for (z = npixShared; --z >= 0; )
{
- if (!(ppshared[z] = xalloc(sizeof(SHAREDCOLOR))))
+ if (!(ppshared[z] = malloc(sizeof(SHAREDCOLOR))))
{
for (z++ ; z < npixShared; z++)
- xfree(ppshared[z]);
+ free(ppshared[z]);
return FALSE;
}
}
@@ -2202,7 +2200,7 @@ AllocShared (ColormapPtr pmap, Pixel *ppix, int c, int r, int g, int b, }
}
}
- xfree(psharedList);
+ free(psharedList);
return TRUE;
}
@@ -2242,7 +2240,7 @@ FreeColors (ColormapPtr pmap, int client, int count, Pixel *pixels, Pixel mask) }
if ((mask != rmask) && count)
{
- clientErrorValue = *pixels | mask;
+ clients[client]->errorValue = *pixels | mask;
result = BadValue;
}
/* XXX should worry about removing any RT_CMAPENTRY resource */
@@ -2324,7 +2322,7 @@ FreeCo (ColormapPtr pmap, int client, int color, int npixIn, Pixel *ppixIn, Pixe pixTest = ((*pptr | bits) & cmask) >> offset;
if ((pixTest >= numents) || (*pptr & rgbbad))
{
- clientErrorValue = *pptr | bits;
+ clients[client]->errorValue = *pptr | bits;
errVal = BadValue;
continue;
}
@@ -2370,7 +2368,7 @@ FreeCo (ColormapPtr pmap, int client, int color, int npixIn, Pixel *ppixIn, Pixe npix++;
}
}
- pptr = (Pixel *)xrealloc(ppixClient, npixNew * sizeof(Pixel));
+ pptr = (Pixel *)realloc(ppixClient, npixNew * sizeof(Pixel));
if (pptr)
ppixClient = pptr;
npixClient = npixNew;
@@ -2378,7 +2376,7 @@ FreeCo (ColormapPtr pmap, int client, int color, int npixIn, Pixel *ppixIn, Pixe else
{
npixClient = 0;
- xfree(ppixClient);
+ free(ppixClient);
ppixClient = (Pixel *)NULL;
}
switch(color)
@@ -2405,7 +2403,7 @@ FreeCo (ColormapPtr pmap, int client, int color, int npixIn, Pixel *ppixIn, Pixe /* Redefine color values */
int
-StoreColors (ColormapPtr pmap, int count, xColorItem *defs)
+StoreColors (ColormapPtr pmap, int count, xColorItem *defs, ClientPtr client)
{
Pixel pix;
xColorItem *pdef;
@@ -2443,7 +2441,7 @@ StoreColors (ColormapPtr pmap, int count, xColorItem *defs) if (pdef->pixel & rgbbad)
{
errVal = BadValue;
- clientErrorValue = pdef->pixel;
+ client->errorValue = pdef->pixel;
continue;
}
pix = (pdef->pixel & pVisual->redMask) >> pVisual->offsetRed;
@@ -2515,7 +2513,7 @@ StoreColors (ColormapPtr pmap, int count, xColorItem *defs) defs[idef] = defs[n];
idef++;
} else
- clientErrorValue = pdef->pixel;
+ client->errorValue = pdef->pixel;
}
}
else
@@ -2526,7 +2524,7 @@ StoreColors (ColormapPtr pmap, int count, xColorItem *defs) ok = TRUE;
if (pdef->pixel >= pVisual->ColormapEntries)
{
- clientErrorValue = pdef->pixel;
+ client->errorValue = pdef->pixel;
errVal = BadValue;
ok = FALSE;
}
@@ -2677,7 +2675,7 @@ IsMapInstalled(Colormap map, WindowPtr pWin) Colormap *pmaps;
int imap, nummaps, found;
- pmaps = xalloc(pWin->drawable.pScreen->maxInstalledCmaps*sizeof(Colormap));
+ pmaps = malloc(pWin->drawable.pScreen->maxInstalledCmaps*sizeof(Colormap));
if(!pmaps)
return(FALSE);
nummaps = (*pWin->drawable.pScreen->ListInstalledColormaps)
@@ -2691,7 +2689,7 @@ IsMapInstalled(Colormap map, WindowPtr pWin) break;
}
}
- xfree(pmaps);
+ free(pmaps);
return (found);
}
@@ -2731,7 +2729,7 @@ ResizeVisualArray(ScreenPtr pScreen, int new_visual_count, first_new_vid = depth->numVids;
first_new_visual = pScreen->numVisuals;
- vids = xrealloc(depth->vids, (depth->numVids + new_visual_count) * sizeof(XID));
+ vids = realloc(depth->vids, (depth->numVids + new_visual_count) * sizeof(XID));
if (!vids)
return FALSE;
@@ -2739,7 +2737,7 @@ ResizeVisualArray(ScreenPtr pScreen, int new_visual_count, depth->vids = vids;
numVisuals = pScreen->numVisuals + new_visual_count;
- visuals = xrealloc(pScreen->visuals, numVisuals * sizeof(VisualRec));
+ visuals = realloc(pScreen->visuals, numVisuals * sizeof(VisualRec));
if (!visuals) {
return FALSE;
}
diff --git a/xorg-server/dix/cursor.c b/xorg-server/dix/cursor.c index 5d9c8b080..01d08bd6e 100644 --- a/xorg-server/dix/cursor.c +++ b/xorg-server/dix/cursor.c @@ -1,512 +1,512 @@ -/*********************************************************** - -Copyright 1987, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ - - - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <X11/X.h> -#include <X11/Xmd.h> -#include "servermd.h" -#include "scrnintstr.h" -#include "dixstruct.h" -#include "cursorstr.h" -#include "dixfontstr.h" -#include "opaque.h" -#include "inputstr.h" -#include "xace.h" - -typedef struct _GlyphShare { - FontPtr font; - unsigned short sourceChar; - unsigned short maskChar; - CursorBitsPtr bits; - struct _GlyphShare *next; -} GlyphShare, *GlyphSharePtr; - -static GlyphSharePtr sharedGlyphs = (GlyphSharePtr)NULL; - -#ifdef XFIXES -static CARD32 cursorSerial; -#endif - -static void -FreeCursorBits(CursorBitsPtr bits) -{ - if (--bits->refcnt > 0) - return; - xfree(bits->source); - xfree(bits->mask); -#ifdef ARGB_CURSOR - xfree(bits->argb); -#endif - dixFreePrivates(bits->devPrivates); - bits->devPrivates = NULL; - if (bits->refcnt == 0) - { - GlyphSharePtr *prev, this; - - for (prev = &sharedGlyphs; - (this = *prev) && (this->bits != bits); - prev = &this->next) - ; - if (this) - { - *prev = this->next; - CloseFont(this->font, (Font)0); - xfree(this); - } - xfree(bits); - } -} - -/** - * To be called indirectly by DeleteResource; must use exactly two args. - * - * \param value must conform to DeleteType - */ -int -FreeCursor(pointer value, XID cid) -{ - int nscr; - CursorPtr pCurs = (CursorPtr)value; - - ScreenPtr pscr; - DeviceIntPtr pDev = NULL; /* unused anyway */ - - if ( --pCurs->refcnt != 0) - return(Success); - - for (nscr = 0; nscr < screenInfo.numScreens; nscr++) - { - pscr = screenInfo.screens[nscr]; - (void)( *pscr->UnrealizeCursor)(pDev, pscr, pCurs); - } - dixFreePrivates(pCurs->devPrivates); - FreeCursorBits(pCurs->bits); - xfree( pCurs); - return(Success); -} - - -/* - * We check for empty cursors so that we won't have to display them - */ -static void -CheckForEmptyMask(CursorBitsPtr bits) -{ - unsigned char *msk = bits->mask; - int n = BitmapBytePad(bits->width) * bits->height; - - bits->emptyMask = FALSE; - while(n--) - if(*(msk++) != 0) return; -#ifdef ARGB_CURSOR - if (bits->argb) - { - CARD32 *argb = bits->argb; - int n = bits->width * bits->height; - while (n--) - if (*argb++ & 0xff000000) return; - } -#endif - bits->emptyMask = TRUE; -} - -/** - * realize the cursor for every screen. Do not change the refcnt, this will be - * changed when ChangeToCursor actually changes the sprite. - * - * @return Success if all cursors realize on all screens, BadAlloc if realize - * failed for a device on a given screen. - */ -static int -RealizeCursorAllScreens(CursorPtr pCurs) -{ - DeviceIntPtr pDev; - ScreenPtr pscr; - int nscr; - - for (nscr = 0; nscr < screenInfo.numScreens; nscr++) - { - pscr = screenInfo.screens[nscr]; - for (pDev = inputInfo.devices; pDev; pDev = pDev->next) - { - if (DevHasCursor(pDev)) - { - if (!( *pscr->RealizeCursor)(pDev, pscr, pCurs)) - { - /* Realize failed for device pDev on screen pscr. - * We have to assume that for all devices before, realize - * worked. We need to rollback all devices so far on the - * current screen and then all devices on previous - * screens. - */ - DeviceIntPtr pDevIt = inputInfo.devices; /*dev iterator*/ - while(pDevIt && pDevIt != pDev) - { - if (DevHasCursor(pDevIt)) - ( *pscr->UnrealizeCursor)(pDevIt, pscr, pCurs); - pDevIt = pDevIt->next; - } - while (--nscr >= 0) - { - pscr = screenInfo.screens[nscr]; - /* now unrealize all devices on previous screens */ - pDevIt = inputInfo.devices; - while (pDevIt) - { - if (DevHasCursor(pDevIt)) - ( *pscr->UnrealizeCursor)(pDevIt, pscr, pCurs); - pDevIt = pDevIt->next; - } - ( *pscr->UnrealizeCursor)(pDev, pscr, pCurs); - } - return BadAlloc; - } - } - } - } - - return Success; -} - -/** - * does nothing about the resource table, just creates the data structure. - * does not copy the src and mask bits - * - * \param psrcbits server-defined padding - * \param pmaskbits server-defined padding - * \param argb no padding - */ -int -AllocARGBCursor(unsigned char *psrcbits, unsigned char *pmaskbits, - CARD32 *argb, CursorMetricPtr cm, - unsigned foreRed, unsigned foreGreen, unsigned foreBlue, - unsigned backRed, unsigned backGreen, unsigned backBlue, - CursorPtr *ppCurs, ClientPtr client, XID cid) -{ - CursorBitsPtr bits; - CursorPtr pCurs; - int rc; - - *ppCurs = NULL; - pCurs = (CursorPtr)xcalloc(sizeof(CursorRec) + sizeof(CursorBits), 1); - if (!pCurs) - { - xfree(psrcbits); - xfree(pmaskbits); - return BadAlloc; - } - bits = (CursorBitsPtr)((char *)pCurs + sizeof(CursorRec)); - bits->source = psrcbits; - bits->mask = pmaskbits; -#ifdef ARGB_CURSOR - bits->argb = argb; -#endif - bits->width = cm->width; - bits->height = cm->height; - bits->xhot = cm->xhot; - bits->yhot = cm->yhot; - pCurs->refcnt = 1; - bits->devPrivates = NULL; - bits->refcnt = -1; - CheckForEmptyMask(bits); - pCurs->bits = bits; -#ifdef XFIXES - pCurs->serialNumber = ++cursorSerial; - pCurs->name = None; -#endif - - pCurs->foreRed = foreRed; - pCurs->foreGreen = foreGreen; - pCurs->foreBlue = foreBlue; - - pCurs->backRed = backRed; - pCurs->backGreen = backGreen; - pCurs->backBlue = backBlue; - - pCurs->id = cid; - pCurs->devPrivates = NULL; - - /* security creation/labeling check */ - rc = XaceHook(XACE_RESOURCE_ACCESS, client, cid, RT_CURSOR, - pCurs, RT_NONE, NULL, DixCreateAccess); - if (rc != Success) - goto error; - - rc = RealizeCursorAllScreens(pCurs); - if (rc != Success) - goto error; - - *ppCurs = pCurs; - return Success; - -error: - dixFreePrivates(pCurs->devPrivates); - FreeCursorBits(bits); - xfree(pCurs); - - return rc; -} - -int -AllocGlyphCursor(Font source, unsigned sourceChar, Font mask, unsigned maskChar, - unsigned foreRed, unsigned foreGreen, unsigned foreBlue, - unsigned backRed, unsigned backGreen, unsigned backBlue, - CursorPtr *ppCurs, ClientPtr client, XID cid) -{ - FontPtr sourcefont, maskfont; - unsigned char *srcbits; - unsigned char *mskbits; - CursorMetricRec cm; - int rc; - CursorBitsPtr bits; - CursorPtr pCurs; - GlyphSharePtr pShare; - - rc = dixLookupResourceByType((pointer *)&sourcefont, source, RT_FONT, client, - DixUseAccess); - if (rc != Success) - { - client->errorValue = source; - return (rc == BadValue) ? BadFont : rc; - } - rc = dixLookupResourceByType((pointer *)&maskfont, mask, RT_FONT, client, - DixUseAccess); - if (rc != Success && mask != None) - { - client->errorValue = mask; - return (rc == BadValue) ? BadFont : rc; - } - if (sourcefont != maskfont) - pShare = (GlyphSharePtr)NULL; - else - { - for (pShare = sharedGlyphs; - pShare && - ((pShare->font != sourcefont) || - (pShare->sourceChar != sourceChar) || - (pShare->maskChar != maskChar)); - pShare = pShare->next) - ; - } - if (pShare) - { - pCurs = (CursorPtr)xcalloc(sizeof(CursorRec), 1); - if (!pCurs) - return BadAlloc; - bits = pShare->bits; - bits->refcnt++; - } - else - { - if (!CursorMetricsFromGlyph(sourcefont, sourceChar, &cm)) - { - client->errorValue = sourceChar; - return BadValue; - } - if (!maskfont) - { - long n; - unsigned char *mskptr; - - n = BitmapBytePad(cm.width)*(long)cm.height; - mskptr = mskbits = xalloc(n); - if (!mskptr) - return BadAlloc; - while (--n >= 0) - *mskptr++ = ~0; - } - else - { - if (!CursorMetricsFromGlyph(maskfont, maskChar, &cm)) - { - client->errorValue = maskChar; - return BadValue; - } - if ((rc = ServerBitsFromGlyph(maskfont, maskChar, &cm, &mskbits))) - return rc; - } - if ((rc = ServerBitsFromGlyph(sourcefont, sourceChar, &cm, &srcbits))) - { - xfree(mskbits); - return rc; - } - if (sourcefont != maskfont) - { - pCurs = - (CursorPtr)xcalloc(sizeof(CursorRec) + sizeof(CursorBits), 1); - if (pCurs) - bits = (CursorBitsPtr)((char *)pCurs + sizeof(CursorRec)); - else - bits = (CursorBitsPtr)NULL; - } - else - { - pCurs = (CursorPtr)xcalloc(sizeof(CursorRec), 1); - if (pCurs) - bits = (CursorBitsPtr)xcalloc(sizeof(CursorBits), 1); - else - bits = (CursorBitsPtr)NULL; - } - if (!bits) - { - xfree(pCurs); - xfree(mskbits); - xfree(srcbits); - return BadAlloc; - } - bits->source = srcbits; - bits->mask = mskbits; -#ifdef ARGB_CURSOR - bits->argb = 0; -#endif - bits->width = cm.width; - bits->height = cm.height; - bits->xhot = cm.xhot; - bits->yhot = cm.yhot; - bits->devPrivates = NULL; - if (sourcefont != maskfont) - bits->refcnt = -1; - else - { - bits->refcnt = 1; - pShare = xalloc(sizeof(GlyphShare)); - if (!pShare) - { - FreeCursorBits(bits); - return BadAlloc; - } - pShare->font = sourcefont; - sourcefont->refcnt++; - pShare->sourceChar = sourceChar; - pShare->maskChar = maskChar; - pShare->bits = bits; - pShare->next = sharedGlyphs; - sharedGlyphs = pShare; - } - } - - CheckForEmptyMask(bits); - pCurs->bits = bits; - pCurs->refcnt = 1; -#ifdef XFIXES - pCurs->serialNumber = ++cursorSerial; - pCurs->name = None; -#endif - - pCurs->foreRed = foreRed; - pCurs->foreGreen = foreGreen; - pCurs->foreBlue = foreBlue; - - pCurs->backRed = backRed; - pCurs->backGreen = backGreen; - pCurs->backBlue = backBlue; - - pCurs->id = cid; - pCurs->devPrivates = NULL; - - /* security creation/labeling check */ - rc = XaceHook(XACE_RESOURCE_ACCESS, client, cid, RT_CURSOR, - pCurs, RT_NONE, NULL, DixCreateAccess); - if (rc != Success) - goto error; - - rc = RealizeCursorAllScreens(pCurs); - if (rc != Success) - goto error; - - *ppCurs = pCurs; - return Success; - -error: - dixFreePrivates(pCurs->devPrivates); - FreeCursorBits(bits); - xfree(pCurs); - - return rc; -} - -/** CreateRootCursor - * - * look up the name of a font - * open the font - * add the font to the resource table - * make a cursor from the glyphs - * add the cursor to the resource table - *************************************************************/ - -CursorPtr -CreateRootCursor(char *unused1, unsigned int unused2) -{ - CursorPtr curs; - FontPtr cursorfont; - int err; - XID fontID; - - fontID = FakeClientID(0); - err = OpenFont(serverClient, fontID, FontLoadAll | FontOpenSync, - (unsigned)strlen(defaultCursorFont), defaultCursorFont); - if (err != Success) - return NullCursor; - - err = dixLookupResourceByType((pointer *)&cursorfont, fontID, RT_FONT, - serverClient, DixReadAccess); - if (err != Success) - return NullCursor; - if (AllocGlyphCursor(fontID, 0, fontID, 1, 0, 0, 0, ~0, ~0, ~0, - &curs, serverClient, (XID)0) != Success) - return NullCursor; - - if (!AddResource(FakeClientID(0), RT_CURSOR, (pointer)curs)) - return NullCursor; - - return curs; -} +/***********************************************************
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xmd.h>
+#include "servermd.h"
+#include "scrnintstr.h"
+#include "dixstruct.h"
+#include "cursorstr.h"
+#include "dixfontstr.h"
+#include "opaque.h"
+#include "inputstr.h"
+#include "xace.h"
+
+typedef struct _GlyphShare {
+ FontPtr font;
+ unsigned short sourceChar;
+ unsigned short maskChar;
+ CursorBitsPtr bits;
+ struct _GlyphShare *next;
+} GlyphShare, *GlyphSharePtr;
+
+static GlyphSharePtr sharedGlyphs = (GlyphSharePtr)NULL;
+
+#ifdef XFIXES
+static CARD32 cursorSerial;
+#endif
+
+static void
+FreeCursorBits(CursorBitsPtr bits)
+{
+ if (--bits->refcnt > 0)
+ return;
+ free(bits->source);
+ free(bits->mask);
+#ifdef ARGB_CURSOR
+ free(bits->argb);
+#endif
+ dixFreePrivates(bits->devPrivates);
+ bits->devPrivates = NULL;
+ if (bits->refcnt == 0)
+ {
+ GlyphSharePtr *prev, this;
+
+ for (prev = &sharedGlyphs;
+ (this = *prev) && (this->bits != bits);
+ prev = &this->next)
+ ;
+ if (this)
+ {
+ *prev = this->next;
+ CloseFont(this->font, (Font)0);
+ free(this);
+ }
+ free(bits);
+ }
+}
+
+/**
+ * To be called indirectly by DeleteResource; must use exactly two args.
+ *
+ * \param value must conform to DeleteType
+ */
+int
+FreeCursor(pointer value, XID cid)
+{
+ int nscr;
+ CursorPtr pCurs = (CursorPtr)value;
+
+ ScreenPtr pscr;
+ DeviceIntPtr pDev = NULL; /* unused anyway */
+
+ if ( --pCurs->refcnt != 0)
+ return(Success);
+
+ for (nscr = 0; nscr < screenInfo.numScreens; nscr++)
+ {
+ pscr = screenInfo.screens[nscr];
+ (void)( *pscr->UnrealizeCursor)(pDev, pscr, pCurs);
+ }
+ dixFreePrivates(pCurs->devPrivates);
+ FreeCursorBits(pCurs->bits);
+ free( pCurs);
+ return(Success);
+}
+
+
+/*
+ * We check for empty cursors so that we won't have to display them
+ */
+static void
+CheckForEmptyMask(CursorBitsPtr bits)
+{
+ unsigned char *msk = bits->mask;
+ int n = BitmapBytePad(bits->width) * bits->height;
+
+ bits->emptyMask = FALSE;
+ while(n--)
+ if(*(msk++) != 0) return;
+#ifdef ARGB_CURSOR
+ if (bits->argb)
+ {
+ CARD32 *argb = bits->argb;
+ int n = bits->width * bits->height;
+ while (n--)
+ if (*argb++ & 0xff000000) return;
+ }
+#endif
+ bits->emptyMask = TRUE;
+}
+
+/**
+ * realize the cursor for every screen. Do not change the refcnt, this will be
+ * changed when ChangeToCursor actually changes the sprite.
+ *
+ * @return Success if all cursors realize on all screens, BadAlloc if realize
+ * failed for a device on a given screen.
+ */
+static int
+RealizeCursorAllScreens(CursorPtr pCurs)
+{
+ DeviceIntPtr pDev;
+ ScreenPtr pscr;
+ int nscr;
+
+ for (nscr = 0; nscr < screenInfo.numScreens; nscr++)
+ {
+ pscr = screenInfo.screens[nscr];
+ for (pDev = inputInfo.devices; pDev; pDev = pDev->next)
+ {
+ if (DevHasCursor(pDev))
+ {
+ if (!( *pscr->RealizeCursor)(pDev, pscr, pCurs))
+ {
+ /* Realize failed for device pDev on screen pscr.
+ * We have to assume that for all devices before, realize
+ * worked. We need to rollback all devices so far on the
+ * current screen and then all devices on previous
+ * screens.
+ */
+ DeviceIntPtr pDevIt = inputInfo.devices; /*dev iterator*/
+ while(pDevIt && pDevIt != pDev)
+ {
+ if (DevHasCursor(pDevIt))
+ ( *pscr->UnrealizeCursor)(pDevIt, pscr, pCurs);
+ pDevIt = pDevIt->next;
+ }
+ while (--nscr >= 0)
+ {
+ pscr = screenInfo.screens[nscr];
+ /* now unrealize all devices on previous screens */
+ pDevIt = inputInfo.devices;
+ while (pDevIt)
+ {
+ if (DevHasCursor(pDevIt))
+ ( *pscr->UnrealizeCursor)(pDevIt, pscr, pCurs);
+ pDevIt = pDevIt->next;
+ }
+ ( *pscr->UnrealizeCursor)(pDev, pscr, pCurs);
+ }
+ return BadAlloc;
+ }
+ }
+ }
+ }
+
+ return Success;
+}
+
+/**
+ * does nothing about the resource table, just creates the data structure.
+ * does not copy the src and mask bits
+ *
+ * \param psrcbits server-defined padding
+ * \param pmaskbits server-defined padding
+ * \param argb no padding
+ */
+int
+AllocARGBCursor(unsigned char *psrcbits, unsigned char *pmaskbits,
+ CARD32 *argb, CursorMetricPtr cm,
+ unsigned foreRed, unsigned foreGreen, unsigned foreBlue,
+ unsigned backRed, unsigned backGreen, unsigned backBlue,
+ CursorPtr *ppCurs, ClientPtr client, XID cid)
+{
+ CursorBitsPtr bits;
+ CursorPtr pCurs;
+ int rc;
+
+ *ppCurs = NULL;
+ pCurs = (CursorPtr)calloc(sizeof(CursorRec) + sizeof(CursorBits), 1);
+ if (!pCurs)
+ {
+ free(psrcbits);
+ free(pmaskbits);
+ return BadAlloc;
+ }
+ bits = (CursorBitsPtr)((char *)pCurs + sizeof(CursorRec));
+ bits->source = psrcbits;
+ bits->mask = pmaskbits;
+#ifdef ARGB_CURSOR
+ bits->argb = argb;
+#endif
+ bits->width = cm->width;
+ bits->height = cm->height;
+ bits->xhot = cm->xhot;
+ bits->yhot = cm->yhot;
+ pCurs->refcnt = 1;
+ bits->devPrivates = NULL;
+ bits->refcnt = -1;
+ CheckForEmptyMask(bits);
+ pCurs->bits = bits;
+#ifdef XFIXES
+ pCurs->serialNumber = ++cursorSerial;
+ pCurs->name = None;
+#endif
+
+ pCurs->foreRed = foreRed;
+ pCurs->foreGreen = foreGreen;
+ pCurs->foreBlue = foreBlue;
+
+ pCurs->backRed = backRed;
+ pCurs->backGreen = backGreen;
+ pCurs->backBlue = backBlue;
+
+ pCurs->id = cid;
+ pCurs->devPrivates = NULL;
+
+ /* security creation/labeling check */
+ rc = XaceHook(XACE_RESOURCE_ACCESS, client, cid, RT_CURSOR,
+ pCurs, RT_NONE, NULL, DixCreateAccess);
+ if (rc != Success)
+ goto error;
+
+ rc = RealizeCursorAllScreens(pCurs);
+ if (rc != Success)
+ goto error;
+
+ *ppCurs = pCurs;
+ return Success;
+
+error:
+ dixFreePrivates(pCurs->devPrivates);
+ FreeCursorBits(bits);
+ free(pCurs);
+
+ return rc;
+}
+
+int
+AllocGlyphCursor(Font source, unsigned sourceChar, Font mask, unsigned maskChar,
+ unsigned foreRed, unsigned foreGreen, unsigned foreBlue,
+ unsigned backRed, unsigned backGreen, unsigned backBlue,
+ CursorPtr *ppCurs, ClientPtr client, XID cid)
+{
+ FontPtr sourcefont, maskfont;
+ unsigned char *srcbits;
+ unsigned char *mskbits;
+ CursorMetricRec cm;
+ int rc;
+ CursorBitsPtr bits;
+ CursorPtr pCurs;
+ GlyphSharePtr pShare;
+
+ rc = dixLookupResourceByType((pointer *)&sourcefont, source, RT_FONT, client,
+ DixUseAccess);
+ if (rc != Success)
+ {
+ client->errorValue = source;
+ return (rc == BadValue) ? BadFont : rc;
+ }
+ rc = dixLookupResourceByType((pointer *)&maskfont, mask, RT_FONT, client,
+ DixUseAccess);
+ if (rc != Success && mask != None)
+ {
+ client->errorValue = mask;
+ return (rc == BadValue) ? BadFont : rc;
+ }
+ if (sourcefont != maskfont)
+ pShare = (GlyphSharePtr)NULL;
+ else
+ {
+ for (pShare = sharedGlyphs;
+ pShare &&
+ ((pShare->font != sourcefont) ||
+ (pShare->sourceChar != sourceChar) ||
+ (pShare->maskChar != maskChar));
+ pShare = pShare->next)
+ ;
+ }
+ if (pShare)
+ {
+ pCurs = (CursorPtr)calloc(sizeof(CursorRec), 1);
+ if (!pCurs)
+ return BadAlloc;
+ bits = pShare->bits;
+ bits->refcnt++;
+ }
+ else
+ {
+ if (!CursorMetricsFromGlyph(sourcefont, sourceChar, &cm))
+ {
+ client->errorValue = sourceChar;
+ return BadValue;
+ }
+ if (!maskfont)
+ {
+ long n;
+ unsigned char *mskptr;
+
+ n = BitmapBytePad(cm.width)*(long)cm.height;
+ mskptr = mskbits = malloc(n);
+ if (!mskptr)
+ return BadAlloc;
+ while (--n >= 0)
+ *mskptr++ = ~0;
+ }
+ else
+ {
+ if (!CursorMetricsFromGlyph(maskfont, maskChar, &cm))
+ {
+ client->errorValue = maskChar;
+ return BadValue;
+ }
+ if ((rc = ServerBitsFromGlyph(maskfont, maskChar, &cm, &mskbits)))
+ return rc;
+ }
+ if ((rc = ServerBitsFromGlyph(sourcefont, sourceChar, &cm, &srcbits)))
+ {
+ free(mskbits);
+ return rc;
+ }
+ if (sourcefont != maskfont)
+ {
+ pCurs =
+ (CursorPtr)calloc(sizeof(CursorRec) + sizeof(CursorBits), 1);
+ if (pCurs)
+ bits = (CursorBitsPtr)((char *)pCurs + sizeof(CursorRec));
+ else
+ bits = (CursorBitsPtr)NULL;
+ }
+ else
+ {
+ pCurs = (CursorPtr)calloc(sizeof(CursorRec), 1);
+ if (pCurs)
+ bits = (CursorBitsPtr)calloc(sizeof(CursorBits), 1);
+ else
+ bits = (CursorBitsPtr)NULL;
+ }
+ if (!bits)
+ {
+ free(pCurs);
+ free(mskbits);
+ free(srcbits);
+ return BadAlloc;
+ }
+ bits->source = srcbits;
+ bits->mask = mskbits;
+#ifdef ARGB_CURSOR
+ bits->argb = 0;
+#endif
+ bits->width = cm.width;
+ bits->height = cm.height;
+ bits->xhot = cm.xhot;
+ bits->yhot = cm.yhot;
+ bits->devPrivates = NULL;
+ if (sourcefont != maskfont)
+ bits->refcnt = -1;
+ else
+ {
+ bits->refcnt = 1;
+ pShare = malloc(sizeof(GlyphShare));
+ if (!pShare)
+ {
+ FreeCursorBits(bits);
+ return BadAlloc;
+ }
+ pShare->font = sourcefont;
+ sourcefont->refcnt++;
+ pShare->sourceChar = sourceChar;
+ pShare->maskChar = maskChar;
+ pShare->bits = bits;
+ pShare->next = sharedGlyphs;
+ sharedGlyphs = pShare;
+ }
+ }
+
+ CheckForEmptyMask(bits);
+ pCurs->bits = bits;
+ pCurs->refcnt = 1;
+#ifdef XFIXES
+ pCurs->serialNumber = ++cursorSerial;
+ pCurs->name = None;
+#endif
+
+ pCurs->foreRed = foreRed;
+ pCurs->foreGreen = foreGreen;
+ pCurs->foreBlue = foreBlue;
+
+ pCurs->backRed = backRed;
+ pCurs->backGreen = backGreen;
+ pCurs->backBlue = backBlue;
+
+ pCurs->id = cid;
+ pCurs->devPrivates = NULL;
+
+ /* security creation/labeling check */
+ rc = XaceHook(XACE_RESOURCE_ACCESS, client, cid, RT_CURSOR,
+ pCurs, RT_NONE, NULL, DixCreateAccess);
+ if (rc != Success)
+ goto error;
+
+ rc = RealizeCursorAllScreens(pCurs);
+ if (rc != Success)
+ goto error;
+
+ *ppCurs = pCurs;
+ return Success;
+
+error:
+ dixFreePrivates(pCurs->devPrivates);
+ FreeCursorBits(bits);
+ free(pCurs);
+
+ return rc;
+}
+
+/** CreateRootCursor
+ *
+ * look up the name of a font
+ * open the font
+ * add the font to the resource table
+ * make a cursor from the glyphs
+ * add the cursor to the resource table
+ *************************************************************/
+
+CursorPtr
+CreateRootCursor(char *unused1, unsigned int unused2)
+{
+ CursorPtr curs;
+ FontPtr cursorfont;
+ int err;
+ XID fontID;
+
+ fontID = FakeClientID(0);
+ err = OpenFont(serverClient, fontID, FontLoadAll | FontOpenSync,
+ (unsigned)strlen(defaultCursorFont), defaultCursorFont);
+ if (err != Success)
+ return NullCursor;
+
+ err = dixLookupResourceByType((pointer *)&cursorfont, fontID, RT_FONT,
+ serverClient, DixReadAccess);
+ if (err != Success)
+ return NullCursor;
+ if (AllocGlyphCursor(fontID, 0, fontID, 1, 0, 0, 0, ~0, ~0, ~0,
+ &curs, serverClient, (XID)0) != Success)
+ return NullCursor;
+
+ if (!AddResource(FakeClientID(0), RT_CURSOR, (pointer)curs))
+ return NullCursor;
+
+ return curs;
+}
diff --git a/xorg-server/dix/devices.c b/xorg-server/dix/devices.c index a33df4d0a..f419a98fd 100644 --- a/xorg-server/dix/devices.c +++ b/xorg-server/dix/devices.c @@ -1,2518 +1,2518 @@ -/************************************************************ - -Copyright 1987, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -********************************************************/ - - - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <X11/X.h> -#include "misc.h" -#include "resource.h" -#include <X11/Xproto.h> -#include <X11/Xatom.h> -#include "windowstr.h" -#include "inputstr.h" -#include "scrnintstr.h" -#include "cursorstr.h" -#include "dixstruct.h" -#include "ptrveloc.h" -#include "site.h" -#include "xkbsrv.h" -#include "privates.h" -#include "xace.h" -#include "mi.h" - -#include "dispatch.h" -#include "swaprep.h" -#include "dixevents.h" -#include "mipointer.h" -#include "eventstr.h" - -#include <X11/extensions/XI.h> -#include <X11/extensions/XI2.h> -#include <X11/extensions/XIproto.h> -#include "exglobals.h" -#include "exevents.h" -#include "xiquerydevice.h" /* for SizeDeviceClasses */ -#include "xiproperty.h" -#include "enterleave.h" /* for EnterWindow() */ -#include "xserver-properties.h" -#include "xichangehierarchy.h" /* For XISendDeviceHierarchyEvent */ - -/** @file - * This file handles input device-related stuff. - */ - -static void RecalculateMasterButtons(DeviceIntPtr slave); - -/** - * DIX property handler. - */ -static int -DeviceSetProperty(DeviceIntPtr dev, Atom property, XIPropertyValuePtr prop, - BOOL checkonly) -{ - if (property == XIGetKnownProperty(XI_PROP_ENABLED)) - { - if (prop->format != 8 || prop->type != XA_INTEGER || prop->size != 1) - return BadValue; - - /* Don't allow disabling of VCP/VCK */ - if ((dev == inputInfo.pointer || dev == inputInfo.keyboard) && - !(*(CARD8*)prop->data)) - return BadAccess; - - if (!checkonly) - { - if ((*((CARD8*)prop->data)) && !dev->enabled) - EnableDevice(dev, TRUE); - else if (!(*((CARD8*)prop->data)) && dev->enabled) - DisableDevice(dev, TRUE); - } - } - - return Success; -} - -/* Pair the keyboard to the pointer device. Keyboard events will follow the - * pointer sprite. Only applicable for master devices. - * If the client is set, the request to pair comes from some client. In this - * case, we need to check for access. If the client is NULL, it's from an - * internal automatic pairing, we must always permit this. - */ -static int -PairDevices(ClientPtr client, DeviceIntPtr ptr, DeviceIntPtr kbd) -{ - if (!ptr) - return BadDevice; - - /* Don't allow pairing for slave devices */ - if (!IsMaster(ptr) || !IsMaster(kbd)) - return BadDevice; - - if (ptr->spriteInfo->paired) - return BadDevice; - - if (kbd->spriteInfo->spriteOwner) - { - xfree(kbd->spriteInfo->sprite); - kbd->spriteInfo->sprite = NULL; - kbd->spriteInfo->spriteOwner = FALSE; - } - - kbd->spriteInfo->sprite = ptr->spriteInfo->sprite; - kbd->spriteInfo->paired = ptr; - ptr->spriteInfo->paired = kbd; - return Success; -} - - -/** - * Find and return the next unpaired MD pointer device. - */ -static DeviceIntPtr -NextFreePointerDevice(void) -{ - DeviceIntPtr dev; - for (dev = inputInfo.devices; dev; dev = dev->next) - if (IsMaster(dev) && - dev->spriteInfo->spriteOwner && - !dev->spriteInfo->paired) - return dev; - return NULL; -} - -/** - * Create a new input device and init it to sane values. The device is added - * to the server's off_devices list. - * - * @param deviceProc Callback for device control function (switch dev on/off). - * @return The newly created device. - */ -DeviceIntPtr -AddInputDevice(ClientPtr client, DeviceProc deviceProc, Bool autoStart) -{ - DeviceIntPtr dev, *prev; /* not a typo */ - DeviceIntPtr devtmp; - int devid; - char devind[MAXDEVICES]; - BOOL enabled; - - /* Find next available id, 0 and 1 are reserved */ - memset(devind, 0, sizeof(char)*MAXDEVICES); - for (devtmp = inputInfo.devices; devtmp; devtmp = devtmp->next) - devind[devtmp->id]++; - for (devtmp = inputInfo.off_devices; devtmp; devtmp = devtmp->next) - devind[devtmp->id]++; - for (devid = 2; devid < MAXDEVICES && devind[devid]; devid++) - ; - - if (devid >= MAXDEVICES) - return (DeviceIntPtr)NULL; - dev = xcalloc(sizeof(DeviceIntRec) + sizeof(SpriteInfoRec), 1); - if (!dev) - return (DeviceIntPtr)NULL; - dev->id = devid; - dev->public.processInputProc = (ProcessInputProc)NoopDDA; - dev->public.realInputProc = (ProcessInputProc)NoopDDA; - dev->public.enqueueInputProc = EnqueueEvent; - dev->deviceProc = deviceProc; - dev->startup = autoStart; - - /* device grab defaults */ - dev->deviceGrab.grabTime = currentTime; - dev->deviceGrab.ActivateGrab = ActivateKeyboardGrab; - dev->deviceGrab.DeactivateGrab = DeactivateKeyboardGrab; - - dev->coreEvents = TRUE; - - /* sprite defaults */ - dev->spriteInfo = (SpriteInfoPtr)&dev[1]; - - /* security creation/labeling check - */ - if (XaceHook(XACE_DEVICE_ACCESS, client, dev, DixCreateAccess)) { - xfree(dev); - return NULL; - } - - inputInfo.numDevices++; - - for (prev = &inputInfo.off_devices; *prev; prev = &(*prev)->next) - ; - *prev = dev; - dev->next = NULL; - - enabled = FALSE; - XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED), - XA_INTEGER, 8, PropModeReplace, 1, &enabled, - FALSE); - XISetDevicePropertyDeletable(dev, XIGetKnownProperty(XI_PROP_ENABLED), FALSE); - XIRegisterPropertyHandler(dev, DeviceSetProperty, NULL, NULL); - - return dev; -} - -void -SendDevicePresenceEvent(int deviceid, int type) -{ - DeviceIntRec dummyDev; - devicePresenceNotify ev; - - memset(&dummyDev, 0, sizeof(DeviceIntRec)); - ev.type = DevicePresenceNotify; - ev.time = currentTime.milliseconds; - ev.devchange = type; - ev.deviceid = deviceid; - dummyDev.id = XIAllDevices; - SendEventToAllWindows(&dummyDev, DevicePresenceNotifyMask, - (xEvent*)&ev, 1); -} - -/** - * Enable the device through the driver, add the device to the device list. - * Switch device ON through the driver and push it onto the global device - * list. Initialize the DIX sprite or pair the device. All clients are - * notified about the device being enabled. - * - * A master pointer device needs to be enabled before a master keyboard - * device. - * - * @param The device to be enabled. - * @param sendevent True if an XI2 event should be sent. - * @return TRUE on success or FALSE otherwise. - */ -Bool -EnableDevice(DeviceIntPtr dev, BOOL sendevent) -{ - DeviceIntPtr *prev; - int ret; - DeviceIntPtr other; - BOOL enabled; - int flags[MAXDEVICES] = {0}; - - for (prev = &inputInfo.off_devices; - *prev && (*prev != dev); - prev = &(*prev)->next) - ; - - if (!dev->spriteInfo->sprite) - { - if (IsMaster(dev)) - { - /* Sprites appear on first root window, so we can hardcode it */ - if (dev->spriteInfo->spriteOwner) - { - InitializeSprite(dev, WindowTable[0]); - /* mode doesn't matter */ - EnterWindow(dev, WindowTable[0], NotifyAncestor); - } - else if ((other = NextFreePointerDevice()) == NULL) - { - ErrorF("[dix] cannot find pointer to pair with. " - "This is a bug.\n"); - return FALSE; - } else - PairDevices(NULL, other, dev); - } else - { - if (dev->coreEvents) - other = (IsPointerDevice(dev)) ? inputInfo.pointer : - inputInfo.keyboard; - else - other = NULL; /* auto-float non-core devices */ - AttachDevice(NULL, dev, other); - } - } - - /* Before actually enabling the device, we need to make sure the event - * list's events have enough memory for a ClassesChangedEvent from the - * device - */ - if ((*prev != dev) || !dev->inited || - ((ret = (*dev->deviceProc)(dev, DEVICE_ON)) != Success)) { - ErrorF("[dix] couldn't enable device %d\n", dev->id); - return FALSE; - } - dev->enabled = TRUE; - *prev = dev->next; - - for (prev = &inputInfo.devices; *prev; prev = &(*prev)->next) - ; - *prev = dev; - dev->next = NULL; - - enabled = TRUE; - XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED), - XA_INTEGER, 8, PropModeReplace, 1, &enabled, - TRUE); - - SendDevicePresenceEvent(dev->id, DeviceEnabled); - if (sendevent) - { - flags[dev->id] |= XIDeviceEnabled; - XISendDeviceHierarchyEvent(flags); - } - - RecalculateMasterButtons(dev); - - return TRUE; -} - -/** - * Switch a device off through the driver and push it onto the off_devices - * list. A device will not send events while disabled. All clients are - * notified about the device being disabled. - * - * Master keyboard devices have to be disabled before master pointer devices - * otherwise things turn bad. - * - * @param sendevent True if an XI2 event should be sent. - * @return TRUE on success or FALSE otherwise. - */ -Bool -DisableDevice(DeviceIntPtr dev, BOOL sendevent) -{ - DeviceIntPtr *prev, other; - BOOL enabled; - int flags[MAXDEVICES] = {0}; - - for (prev = &inputInfo.devices; - *prev && (*prev != dev); - prev = &(*prev)->next) - ; - if (*prev != dev) - return FALSE; - - /* float attached devices */ - if (IsMaster(dev)) - { - for (other = inputInfo.devices; other; other = other->next) - { - if (other->u.master == dev) - { - AttachDevice(NULL, other, NULL); - flags[other->id] |= XISlaveDetached; - } - } - } - else - { - for (other = inputInfo.devices; other; other = other->next) - { - if (IsMaster(other) && other->u.lastSlave == dev) - other->u.lastSlave = NULL; - } - } - - if (IsMaster(dev) && dev->spriteInfo->sprite) - { - for (other = inputInfo.devices; other; other = other->next) - { - if (other->spriteInfo->paired == dev) - { - ErrorF("[dix] cannot disable device, still paired. " - "This is a bug. \n"); - return FALSE; - } - } - } - - (void)(*dev->deviceProc)(dev, DEVICE_OFF); - dev->enabled = FALSE; - - /* now that the device is disabled, we can reset the signal handler's - * last.slave */ - OsBlockSignals(); - for (other = inputInfo.devices; other; other = other->next) - { - if (other->last.slave == dev) - other->last.slave = NULL; - } - OsReleaseSignals(); - - LeaveWindow(dev); - SetFocusOut(dev); - - *prev = dev->next; - dev->next = inputInfo.off_devices; - inputInfo.off_devices = dev; - - enabled = FALSE; - XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED), - XA_INTEGER, 8, PropModeReplace, 1, &enabled, - TRUE); - - SendDevicePresenceEvent(dev->id, DeviceDisabled); - if (sendevent) - { - flags[dev->id] = XIDeviceDisabled; - XISendDeviceHierarchyEvent(flags); - } - - RecalculateMasterButtons(dev); - - return TRUE; -} - -/** - * Initialise a new device through the driver and tell all clients about the - * new device. - * - * Must be called before EnableDevice. - * The device will NOT send events until it is enabled! - * - * @param sendevent True if an XI2 event should be sent. - * @return Success or an error code on failure. - */ -int -ActivateDevice(DeviceIntPtr dev, BOOL sendevent) -{ - int ret = Success; - ScreenPtr pScreen = screenInfo.screens[0]; - - if (!dev || !dev->deviceProc) - return BadImplementation; - - ret = (*dev->deviceProc) (dev, DEVICE_INIT); - dev->inited = (ret == Success); - if (!dev->inited) - return ret; - - /* Initialize memory for sprites. */ - if (IsMaster(dev) && dev->spriteInfo->spriteOwner) - pScreen->DeviceCursorInitialize(dev, pScreen); - - SendDevicePresenceEvent(dev->id, DeviceAdded); - if (sendevent) - { - int flags[MAXDEVICES] = {0}; - flags[dev->id] = XISlaveAdded; - XISendDeviceHierarchyEvent(flags); - } - return ret; -} - -/** - * Ring the bell. - * The actual task of ringing the bell is the job of the DDX. - */ -static void -CoreKeyboardBell(int volume, DeviceIntPtr pDev, pointer arg, int something) -{ - KeybdCtrl *ctrl = arg; - - DDXRingBell(volume, ctrl->bell_pitch, ctrl->bell_duration); -} - -static void -CoreKeyboardCtl(DeviceIntPtr pDev, KeybdCtrl *ctrl) -{ - return; -} - -/** - * Device control function for the Virtual Core Keyboard. - */ -int -CoreKeyboardProc(DeviceIntPtr pDev, int what) -{ - - switch (what) { - case DEVICE_INIT: - if (!InitKeyboardDeviceStruct(pDev, NULL, CoreKeyboardBell, - CoreKeyboardCtl)) - { - ErrorF("Keyboard initialization failed. This could be a missing " - "or incorrect setup of xkeyboard-config.\n"); - return BadValue; - } - return Success; - - case DEVICE_ON: - case DEVICE_OFF: - return Success; - - case DEVICE_CLOSE: - return Success; - } - - return BadMatch; -} - -/** - * Device control function for the Virtual Core Pointer. - */ -int -CorePointerProc(DeviceIntPtr pDev, int what) -{ -#define NBUTTONS 10 -#define NAXES 2 - BYTE map[NBUTTONS + 1]; - int i = 0; - Atom btn_labels[NBUTTONS] = {0}; - Atom axes_labels[NAXES] = {0}; - - switch (what) { - case DEVICE_INIT: - for (i = 1; i <= NBUTTONS; i++) - map[i] = i; - - btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT); - btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE); - btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT); - btn_labels[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP); - btn_labels[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN); - btn_labels[5] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_LEFT); - btn_labels[6] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_RIGHT); - /* don't know about the rest */ - - axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X); - axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y); - - if (!InitPointerDeviceStruct((DevicePtr)pDev, map, NBUTTONS, btn_labels, - (PtrCtrlProcPtr)NoopDDA, - GetMotionHistorySize(), NAXES, axes_labels)) - { - ErrorF("Could not initialize device '%s'. Out of memory.\n", - pDev->name); - return BadAlloc; /* IPDS only fails on allocs */ - } - pDev->valuator->axisVal[0] = screenInfo.screens[0]->width / 2; - pDev->last.valuators[0] = pDev->valuator->axisVal[0]; - pDev->valuator->axisVal[1] = screenInfo.screens[0]->height / 2; - pDev->last.valuators[1] = pDev->valuator->axisVal[1]; - break; - - case DEVICE_CLOSE: - break; - - default: - break; - } - - return Success; - -#undef NBUTTONS -#undef NAXES -} - -/** - * Initialise the two core devices, VCP and VCK (see events.c). - * Both devices are not tied to physical devices, but guarantee that there is - * always a keyboard and a pointer present and keep the protocol semantics. - * - * Note that the server MUST have two core devices at all times, even if there - * is no physical device connected. - */ -void -InitCoreDevices(void) -{ - if (AllocDevicePair(serverClient, "Virtual core", - &inputInfo.pointer, &inputInfo.keyboard, - CorePointerProc, CoreKeyboardProc, - TRUE) != Success) - FatalError("Failed to allocate core devices"); - - if (ActivateDevice(inputInfo.pointer, TRUE) != Success || - ActivateDevice(inputInfo.keyboard, TRUE) != Success) - FatalError("Failed to activate core devices."); - if (!EnableDevice(inputInfo.pointer, TRUE) || - !EnableDevice(inputInfo.keyboard, TRUE)) - FatalError("Failed to enable core devices."); - - InitXTestDevices(); -} - -/** - * Activate all switched-off devices and then enable all those devices. - * - * Will return an error if no core keyboard or core pointer is present. - * In theory this should never happen if you call InitCoreDevices() first. - * - * InitAndStartDevices needs to be called AFTER the windows are initialized. - * Devices will start sending events after InitAndStartDevices() has - * completed. - * - * @return Success or error code on failure. - */ -int -InitAndStartDevices(void) -{ - DeviceIntPtr dev, next; - - for (dev = inputInfo.off_devices; dev; dev = dev->next) { - DebugF("(dix) initialising device %d\n", dev->id); - if (!dev->inited) - ActivateDevice(dev, TRUE); - } - - /* enable real devices */ - for (dev = inputInfo.off_devices; dev; dev = next) - { - DebugF("(dix) enabling device %d\n", dev->id); - next = dev->next; - if (dev->inited && dev->startup) - EnableDevice(dev, TRUE); - } - - return Success; -} - -/** - * Free the given device class and reset the pointer to NULL. - */ -static void -FreeDeviceClass(int type, pointer *class) -{ - if (!(*class)) - return; - - switch(type) - { - case KeyClass: - { - KeyClassPtr* k = (KeyClassPtr*)class; - if ((*k)->xkbInfo) - { - XkbFreeInfo((*k)->xkbInfo); - (*k)->xkbInfo = NULL; - } - xfree((*k)); - break; - } - case ButtonClass: - { - ButtonClassPtr *b = (ButtonClassPtr*)class; - if ((*b)->xkb_acts) - xfree((*b)->xkb_acts); - xfree((*b)); - break; - } - case ValuatorClass: - { - ValuatorClassPtr *v = (ValuatorClassPtr*)class; - - if ((*v)->motion) - xfree((*v)->motion); - xfree((*v)); - break; - } - case FocusClass: - { - FocusClassPtr *f = (FocusClassPtr*)class; - xfree((*f)->trace); - xfree((*f)); - break; - } - case ProximityClass: - { - ProximityClassPtr *p = (ProximityClassPtr*)class; - xfree((*p)); - break; - } - } - *class = NULL; -} - -static void -FreeFeedbackClass(int type, pointer *class) -{ - if (!(*class)) - return; - - switch(type) - { - case KbdFeedbackClass: - { - KbdFeedbackPtr *kbdfeed = (KbdFeedbackPtr*)class; - KbdFeedbackPtr k, knext; - for (k = (*kbdfeed); k; k = knext) { - knext = k->next; - if (k->xkb_sli) - XkbFreeSrvLedInfo(k->xkb_sli); - xfree(k); - } - break; - } - case PtrFeedbackClass: - { - PtrFeedbackPtr *ptrfeed = (PtrFeedbackPtr*)class; - PtrFeedbackPtr p, pnext; - - for (p = (*ptrfeed); p; p = pnext) { - pnext = p->next; - xfree(p); - } - break; - } - case IntegerFeedbackClass: - { - IntegerFeedbackPtr *intfeed = (IntegerFeedbackPtr*)class; - IntegerFeedbackPtr i, inext; - - for (i = (*intfeed); i; i = inext) { - inext = i->next; - xfree(i); - } - break; - } - case StringFeedbackClass: - { - StringFeedbackPtr *stringfeed = (StringFeedbackPtr*)class; - StringFeedbackPtr s, snext; - - for (s = (*stringfeed); s; s = snext) { - snext = s->next; - xfree(s->ctrl.symbols_supported); - xfree(s->ctrl.symbols_displayed); - xfree(s); - } - break; - } - case BellFeedbackClass: - { - BellFeedbackPtr *bell = (BellFeedbackPtr*)class; - BellFeedbackPtr b, bnext; - - for (b = (*bell); b; b = bnext) { - bnext = b->next; - xfree(b); - } - break; - } - case LedFeedbackClass: - { - LedFeedbackPtr *leds = (LedFeedbackPtr*)class; - LedFeedbackPtr l, lnext; - - for (l = (*leds); l; l = lnext) { - lnext = l->next; - if (l->xkb_sli) - XkbFreeSrvLedInfo(l->xkb_sli); - xfree(l); - } - break; - } - } - *class = NULL; -} - -static void -FreeAllDeviceClasses(ClassesPtr classes) -{ - if (!classes) - return; - - FreeDeviceClass(KeyClass, (pointer)&classes->key); - FreeDeviceClass(ValuatorClass, (pointer)&classes->valuator); - FreeDeviceClass(ButtonClass, (pointer)&classes->button); - FreeDeviceClass(FocusClass, (pointer)&classes->focus); - FreeDeviceClass(ProximityClass, (pointer)&classes->proximity); - - FreeFeedbackClass(KbdFeedbackClass, (pointer)&classes->kbdfeed); - FreeFeedbackClass(PtrFeedbackClass, (pointer)&classes->ptrfeed); - FreeFeedbackClass(IntegerFeedbackClass, (pointer)&classes->intfeed); - FreeFeedbackClass(StringFeedbackClass, (pointer)&classes->stringfeed); - FreeFeedbackClass(BellFeedbackClass, (pointer)&classes->bell); - FreeFeedbackClass(LedFeedbackClass, (pointer)&classes->leds); - -} - -/** - * Close down a device and free all resources. - * Once closed down, the driver will probably not expect you that you'll ever - * enable it again and free associated structs. If you want the device to just - * be disabled, DisableDevice(). - * Don't call this function directly, use RemoveDevice() instead. - */ -static void -CloseDevice(DeviceIntPtr dev) -{ - ScreenPtr screen = screenInfo.screens[0]; - ClassesPtr classes; - int j; - - if (!dev) - return; - - XIDeleteAllDeviceProperties(dev); - - if (dev->inited) - (void)(*dev->deviceProc)(dev, DEVICE_CLOSE); - - /* free sprite memory */ - if (IsMaster(dev) && dev->spriteInfo->sprite) - screen->DeviceCursorCleanup(dev, screen); - - /* free acceleration info */ - if(dev->valuator && dev->valuator->accelScheme.AccelCleanupProc) - dev->valuator->accelScheme.AccelCleanupProc(dev); - - while (dev->xkb_interest) - XkbRemoveResourceClient((DevicePtr)dev,dev->xkb_interest->resource); - - xfree(dev->name); - - classes = (ClassesPtr)&dev->key; - FreeAllDeviceClasses(classes); - - if (IsMaster(dev)) - { - classes = dev->unused_classes; - FreeAllDeviceClasses(classes); - xfree(classes); - } - - if (DevHasCursor(dev) && dev->spriteInfo->sprite) { - if (dev->spriteInfo->sprite->current) - FreeCursor(dev->spriteInfo->sprite->current, None); - xfree(dev->spriteInfo->sprite->spriteTrace); - xfree(dev->spriteInfo->sprite); - } - - /* a client may have the device set as client pointer */ - for (j = 0; j < currentMaxClients; j++) - { - if (clients[j] && clients[j]->clientPtr == dev) - { - clients[j]->clientPtr = NULL; - clients[j]->clientPtr = PickPointer(clients[j]); - } - } - - xfree(dev->deviceGrab.sync.event); - dixFreePrivates(dev->devPrivates); - xfree(dev); -} - -/** - * Shut down all devices of one list and free all resources. - */ -static -void -CloseDeviceList(DeviceIntPtr *listHead) -{ - /* Used to mark devices that we tried to free */ - Bool freedIds[MAXDEVICES]; - DeviceIntPtr dev; - int i; - - if (listHead == NULL) - return; - - for (i = 0; i < MAXDEVICES; i++) - freedIds[i] = FALSE; - - dev = *listHead; - while (dev != NULL) - { - freedIds[dev->id] = TRUE; - DeleteInputDeviceRequest(dev); - - dev = *listHead; - while (dev != NULL && freedIds[dev->id]) - dev = dev->next; - } -} - -/** - * Shut down all devices, free all resources, etc. - * Only useful if you're shutting down the server! - */ -void -CloseDownDevices(void) -{ - DeviceIntPtr dev; - - /* Float all SDs before closing them. Note that at this point resources - * (e.g. cursors) have been freed already, so we can't just call - * AttachDevice(NULL, dev, NULL). Instead, we have to forcibly set master - * to NULL and pretend nothing happened. - */ - for (dev = inputInfo.devices; dev; dev = dev->next) - { - if (!IsMaster(dev) && dev->u.master) - dev->u.master = NULL; - } - - CloseDeviceList(&inputInfo.devices); - CloseDeviceList(&inputInfo.off_devices); - - CloseDevice(inputInfo.pointer); - CloseDevice(inputInfo.keyboard); - - inputInfo.devices = NULL; - inputInfo.off_devices = NULL; - inputInfo.keyboard = NULL; - inputInfo.pointer = NULL; - XkbDeleteRulesDflts(); -} - -/** - * Remove the cursor sprite for all devices. This needs to be done before any - * resources are freed or any device is deleted. - */ -void -UndisplayDevices(void) -{ - DeviceIntPtr dev; - ScreenPtr screen = screenInfo.screens[0]; - - for (dev = inputInfo.devices; dev; dev = dev->next) - screen->DisplayCursor(dev, screen, NullCursor); -} - -/** - * Remove a device from the device list, closes it and thus frees all - * resources. - * Removes both enabled and disabled devices and notifies all devices about - * the removal of the device. - * - * No PresenceNotify is sent for device that the client never saw. This can - * happen if a malloc fails during the addition of master devices. If - * dev->init is FALSE it means the client never received a DeviceAdded event, - * so let's not send a DeviceRemoved event either. - * - * @param sendevent True if an XI2 event should be sent. - */ -int -RemoveDevice(DeviceIntPtr dev, BOOL sendevent) -{ - DeviceIntPtr prev,tmp,next; - int ret = BadMatch; - ScreenPtr screen = screenInfo.screens[0]; - int deviceid; - int initialized; - int flags[MAXDEVICES] = {0}; - - DebugF("(dix) removing device %d\n", dev->id); - - if (!dev || dev == inputInfo.keyboard || dev == inputInfo.pointer) - return BadImplementation; - - initialized = dev->inited; - deviceid = dev->id; - - if (initialized) - { - if (DevHasCursor(dev)) - screen->DisplayCursor(dev, screen, NullCursor); - - DisableDevice(dev, sendevent); - flags[dev->id] = XIDeviceDisabled; - } - - prev = NULL; - for (tmp = inputInfo.devices; tmp; (prev = tmp), (tmp = next)) { - next = tmp->next; - if (tmp == dev) { - - if (prev==NULL) - inputInfo.devices = next; - else - prev->next = next; - - flags[tmp->id] = IsMaster(tmp) ? XIMasterRemoved : XISlaveRemoved; - CloseDevice(tmp); - ret = Success; - } - } - - prev = NULL; - for (tmp = inputInfo.off_devices; tmp; (prev = tmp), (tmp = next)) { - next = tmp->next; - if (tmp == dev) { - flags[tmp->id] = IsMaster(tmp) ? XIMasterRemoved : XISlaveRemoved; - CloseDevice(tmp); - - if (prev == NULL) - inputInfo.off_devices = next; - else - prev->next = next; - - ret = Success; - } - } - - if (ret == Success && initialized) { - inputInfo.numDevices--; - SendDevicePresenceEvent(deviceid, DeviceRemoved); - if (sendevent) - XISendDeviceHierarchyEvent(flags); - } - - return ret; -} - -int -NumMotionEvents(void) -{ - /* only called to fill data in initial connection reply. - * VCP is ok here, it is the only fixed device we have. */ - return inputInfo.pointer->valuator->numMotionEvents; -} - -void -RegisterPointerDevice(DeviceIntPtr device) -{ - RegisterOtherDevice(device); -} - -void -RegisterKeyboardDevice(DeviceIntPtr device) -{ - RegisterOtherDevice(device); -} - -int -dixLookupDevice(DeviceIntPtr *pDev, int id, ClientPtr client, Mask access_mode) -{ - DeviceIntPtr dev; - int rc; - *pDev = NULL; - - for (dev=inputInfo.devices; dev; dev=dev->next) { - if (dev->id == id) - goto found; - } - for (dev=inputInfo.off_devices; dev; dev=dev->next) { - if (dev->id == id) - goto found; - } - return BadDevice; - -found: - rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode); - if (rc == Success) - *pDev = dev; - return rc; -} - -void -QueryMinMaxKeyCodes(KeyCode *minCode, KeyCode *maxCode) -{ - if (inputInfo.keyboard) { - *minCode = inputInfo.keyboard->key->xkbInfo->desc->min_key_code; - *maxCode = inputInfo.keyboard->key->xkbInfo->desc->max_key_code; - } -} - -/* Notably, this function does not expand the destination's keycode range, or - * notify clients. */ -Bool -SetKeySymsMap(KeySymsPtr dst, KeySymsPtr src) -{ - int i, j; - KeySym *tmp; - int rowDif = src->minKeyCode - dst->minKeyCode; - - /* if keysym map size changes, grow map first */ - if (src->mapWidth < dst->mapWidth) { - for (i = src->minKeyCode; i <= src->maxKeyCode; i++) { -#define SI(r, c) (((r - src->minKeyCode) * src->mapWidth) + (c)) -#define DI(r, c) (((r - dst->minKeyCode) * dst->mapWidth) + (c)) - for (j = 0; j < src->mapWidth; j++) - dst->map[DI(i, j)] = src->map[SI(i, j)]; - for (j = src->mapWidth; j < dst->mapWidth; j++) - dst->map[DI(i, j)] = NoSymbol; -#undef SI -#undef DI - } - return TRUE; - } - else if (src->mapWidth > dst->mapWidth) { - i = sizeof(KeySym) * src->mapWidth * - (dst->maxKeyCode - dst->minKeyCode + 1); - tmp = xcalloc(sizeof(KeySym), i); - if (!tmp) - return FALSE; - - if (dst->map) { - for (i = 0; i <= dst->maxKeyCode-dst->minKeyCode; i++) - memmove(&tmp[i * src->mapWidth], &dst->map[i * dst->mapWidth], - dst->mapWidth * sizeof(KeySym)); - xfree(dst->map); - } - dst->mapWidth = src->mapWidth; - dst->map = tmp; - } - else if (!dst->map) { - i = sizeof(KeySym) * src->mapWidth * - (dst->maxKeyCode - dst->minKeyCode + 1); - tmp = xcalloc(sizeof(KeySym), i); - if (!tmp) - return FALSE; - - dst->map = tmp; - dst->mapWidth = src->mapWidth; - } - - memmove(&dst->map[rowDif * dst->mapWidth], src->map, - (src->maxKeyCode - src->minKeyCode + 1) * - dst->mapWidth * sizeof(KeySym)); - - return TRUE; -} - -Bool -InitButtonClassDeviceStruct(DeviceIntPtr dev, int numButtons, Atom* labels, - CARD8 *map) -{ - ButtonClassPtr butc; - int i; - - butc = xcalloc(1, sizeof(ButtonClassRec)); - if (!butc) - return FALSE; - butc->numButtons = numButtons; - butc->sourceid = dev->id; - for (i = 1; i <= numButtons; i++) - butc->map[i] = map[i]; - for (i = numButtons + 1; i < MAP_LENGTH; i++) - butc->map[i] = i; - memcpy(butc->labels, labels, numButtons * sizeof(Atom)); - dev->button = butc; - return TRUE; -} - -Bool -InitValuatorClassDeviceStruct(DeviceIntPtr dev, int numAxes, Atom *labels, - int numMotionEvents, int mode) -{ - int i; - ValuatorClassPtr valc; - - if (!dev) - return FALSE; - - if (numAxes >= MAX_VALUATORS) - { - LogMessage(X_WARNING, - "Device '%s' has %d axes, only using first %d.\n", - dev->name, numAxes, MAX_VALUATORS); - numAxes = MAX_VALUATORS; - } - - valc = (ValuatorClassPtr)xcalloc(1, sizeof(ValuatorClassRec) + - numAxes * sizeof(AxisInfo) + - numAxes * sizeof(double)); - if (!valc) - return FALSE; - - valc->sourceid = dev->id; - valc->motion = NULL; - valc->first_motion = 0; - valc->last_motion = 0; - - valc->numMotionEvents = numMotionEvents; - valc->motionHintWindow = NullWindow; - valc->numAxes = numAxes; - valc->mode = mode; - valc->axes = (AxisInfoPtr)(valc + 1); - valc->axisVal = (double *)(valc->axes + numAxes); - dev->valuator = valc; - - AllocateMotionHistory(dev); - - for (i=0; i<numAxes; i++) { - InitValuatorAxisStruct(dev, i, labels[i], NO_AXIS_LIMITS, NO_AXIS_LIMITS, - 0, 0, 0); - valc->axisVal[i]=0; - } - - dev->last.numValuators = numAxes; - - if (IsMaster(dev) || /* do not accelerate master or xtest devices */ - IsXTestDevice(dev, NULL)) - InitPointerAccelerationScheme(dev, PtrAccelNoOp); - else - InitPointerAccelerationScheme(dev, PtrAccelDefault); - return TRUE; -} - -/* global list of acceleration schemes */ -ValuatorAccelerationRec pointerAccelerationScheme[] = { - {PtrAccelNoOp, NULL, NULL, NULL}, - {PtrAccelPredictable, acceleratePointerPredictable, NULL, AccelerationDefaultCleanup}, - {PtrAccelLightweight, acceleratePointerLightweight, NULL, NULL}, - {-1, NULL, NULL, NULL} /* terminator */ -}; - -/** - * install an acceleration scheme. returns TRUE on success, and should not - * change anything if unsuccessful. - */ -Bool -InitPointerAccelerationScheme(DeviceIntPtr dev, - int scheme) -{ - int x, i = -1; - void* data = NULL; - ValuatorClassPtr val; - - val = dev->valuator; - - if(!val) - return FALSE; - - if(IsMaster(dev) && scheme != PtrAccelNoOp) - return FALSE; - - for(x = 0; pointerAccelerationScheme[x].number >= 0; x++) { - if(pointerAccelerationScheme[x].number == scheme){ - i = x; - break; - } - } - - if(-1 == i) - return FALSE; - - if (val->accelScheme.AccelCleanupProc) - val->accelScheme.AccelCleanupProc(dev); - - /* init scheme-specific data */ - switch(scheme){ - case PtrAccelPredictable: - { - DeviceVelocityPtr s; - s = xalloc(sizeof(DeviceVelocityRec)); - if(!s) - return FALSE; - InitVelocityData(s); - data = s; - break; - } - default: - break; - } - - val->accelScheme = pointerAccelerationScheme[i]; - val->accelScheme.accelData = data; - - /* post-init scheme */ - switch(scheme){ - case PtrAccelPredictable: - InitializePredictableAccelerationProperties(dev); - break; - - default: - break; - } - - return TRUE; -} - -Bool -InitAbsoluteClassDeviceStruct(DeviceIntPtr dev) -{ - AbsoluteClassPtr abs; - - abs = xalloc(sizeof(AbsoluteClassRec)); - if (!abs) - return FALSE; - - /* we don't do anything sensible with these, but should */ - abs->min_x = NO_AXIS_LIMITS; - abs->min_y = NO_AXIS_LIMITS; - abs->max_x = NO_AXIS_LIMITS; - abs->max_y = NO_AXIS_LIMITS; - abs->flip_x = 0; - abs->flip_y = 0; - abs->rotation = 0; - abs->button_threshold = 0; - - abs->offset_x = 0; - abs->offset_y = 0; - abs->width = NO_AXIS_LIMITS; - abs->height = NO_AXIS_LIMITS; - abs->following = 0; - abs->screen = 0; - - abs->sourceid = dev->id; - - dev->absolute = abs; - - return TRUE; -} - -Bool -InitFocusClassDeviceStruct(DeviceIntPtr dev) -{ - FocusClassPtr focc; - - focc = xalloc(sizeof(FocusClassRec)); - if (!focc) - return FALSE; - focc->win = PointerRootWin; - focc->revert = None; - focc->time = currentTime; - focc->trace = (WindowPtr *)NULL; - focc->traceSize = 0; - focc->traceGood = 0; - focc->sourceid = dev->id; - dev->focus = focc; - return TRUE; -} - -Bool -InitPtrFeedbackClassDeviceStruct(DeviceIntPtr dev, PtrCtrlProcPtr controlProc) -{ - PtrFeedbackPtr feedc; - - feedc = xalloc(sizeof(PtrFeedbackClassRec)); - if (!feedc) - return FALSE; - feedc->CtrlProc = controlProc; - feedc->ctrl = defaultPointerControl; - feedc->ctrl.id = 0; - if ( (feedc->next = dev->ptrfeed) ) - feedc->ctrl.id = dev->ptrfeed->ctrl.id + 1; - dev->ptrfeed = feedc; - (*controlProc)(dev, &feedc->ctrl); - return TRUE; -} - - -static LedCtrl defaultLedControl = { - DEFAULT_LEDS, DEFAULT_LEDS_MASK, 0}; - -static BellCtrl defaultBellControl = { - DEFAULT_BELL, - DEFAULT_BELL_PITCH, - DEFAULT_BELL_DURATION, - 0}; - -static IntegerCtrl defaultIntegerControl = { - DEFAULT_INT_RESOLUTION, - DEFAULT_INT_MIN_VALUE, - DEFAULT_INT_MAX_VALUE, - DEFAULT_INT_DISPLAYED, - 0}; - -Bool -InitStringFeedbackClassDeviceStruct ( - DeviceIntPtr dev, StringCtrlProcPtr controlProc, - int max_symbols, int num_symbols_supported, KeySym *symbols) -{ - int i; - StringFeedbackPtr feedc; - - feedc = xalloc(sizeof(StringFeedbackClassRec)); - if (!feedc) - return FALSE; - feedc->CtrlProc = controlProc; - feedc->ctrl.num_symbols_supported = num_symbols_supported; - feedc->ctrl.num_symbols_displayed = 0; - feedc->ctrl.max_symbols = max_symbols; - feedc->ctrl.symbols_supported = xalloc (sizeof (KeySym) * num_symbols_supported); - feedc->ctrl.symbols_displayed = xalloc (sizeof (KeySym) * max_symbols); - if (!feedc->ctrl.symbols_supported || !feedc->ctrl.symbols_displayed) - { - if (feedc->ctrl.symbols_supported) - xfree(feedc->ctrl.symbols_supported); - if (feedc->ctrl.symbols_displayed) - xfree(feedc->ctrl.symbols_displayed); - xfree(feedc); - return FALSE; - } - for (i=0; i<num_symbols_supported; i++) - *(feedc->ctrl.symbols_supported+i) = *symbols++; - for (i=0; i<max_symbols; i++) - *(feedc->ctrl.symbols_displayed+i) = (KeySym) 0; - feedc->ctrl.id = 0; - if ( (feedc->next = dev->stringfeed) ) - feedc->ctrl.id = dev->stringfeed->ctrl.id + 1; - dev->stringfeed = feedc; - (*controlProc)(dev, &feedc->ctrl); - return TRUE; -} - -Bool -InitBellFeedbackClassDeviceStruct (DeviceIntPtr dev, BellProcPtr bellProc, - BellCtrlProcPtr controlProc) -{ - BellFeedbackPtr feedc; - - feedc = xalloc(sizeof(BellFeedbackClassRec)); - if (!feedc) - return FALSE; - feedc->CtrlProc = controlProc; - feedc->BellProc = bellProc; - feedc->ctrl = defaultBellControl; - feedc->ctrl.id = 0; - if ( (feedc->next = dev->bell) ) - feedc->ctrl.id = dev->bell->ctrl.id + 1; - dev->bell = feedc; - (*controlProc)(dev, &feedc->ctrl); - return TRUE; -} - -Bool -InitLedFeedbackClassDeviceStruct (DeviceIntPtr dev, LedCtrlProcPtr controlProc) -{ - LedFeedbackPtr feedc; - - feedc = xalloc(sizeof(LedFeedbackClassRec)); - if (!feedc) - return FALSE; - feedc->CtrlProc = controlProc; - feedc->ctrl = defaultLedControl; - feedc->ctrl.id = 0; - if ( (feedc->next = dev->leds) ) - feedc->ctrl.id = dev->leds->ctrl.id + 1; - feedc->xkb_sli= NULL; - dev->leds = feedc; - (*controlProc)(dev, &feedc->ctrl); - return TRUE; -} - -Bool -InitIntegerFeedbackClassDeviceStruct (DeviceIntPtr dev, IntegerCtrlProcPtr controlProc) -{ - IntegerFeedbackPtr feedc; - - feedc = xalloc(sizeof(IntegerFeedbackClassRec)); - if (!feedc) - return FALSE; - feedc->CtrlProc = controlProc; - feedc->ctrl = defaultIntegerControl; - feedc->ctrl.id = 0; - if ( (feedc->next = dev->intfeed) ) - feedc->ctrl.id = dev->intfeed->ctrl.id + 1; - dev->intfeed = feedc; - (*controlProc)(dev, &feedc->ctrl); - return TRUE; -} - -Bool -InitPointerDeviceStruct(DevicePtr device, CARD8 *map, int numButtons, Atom* btn_labels, - PtrCtrlProcPtr controlProc, int numMotionEvents, - int numAxes, Atom *axes_labels) -{ - DeviceIntPtr dev = (DeviceIntPtr)device; - - return(InitButtonClassDeviceStruct(dev, numButtons, btn_labels, map) && - InitValuatorClassDeviceStruct(dev, numAxes, axes_labels, - numMotionEvents, 0) && - InitPtrFeedbackClassDeviceStruct(dev, controlProc)); -} - -/* - * Check if the given buffer contains elements between low (inclusive) and - * high (inclusive) only. - * - * @return TRUE if the device map is invalid, FALSE otherwise. - */ -Bool -BadDeviceMap(BYTE *buff, int length, unsigned low, unsigned high, XID *errval) -{ - int i; - - for (i = 0; i < length; i++) - if (buff[i]) /* only check non-zero elements */ - { - if ((low > buff[i]) || (high < buff[i])) - { - *errval = buff[i]; - return TRUE; - } - } - return FALSE; -} - -int -ProcSetModifierMapping(ClientPtr client) -{ - xSetModifierMappingReply rep; - int rc; - REQUEST(xSetModifierMappingReq); - REQUEST_AT_LEAST_SIZE(xSetModifierMappingReq); - - if (client->req_len != ((stuff->numKeyPerModifier << 1) + - bytes_to_int32(sizeof(xSetModifierMappingReq)))) - return BadLength; - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - - rc = change_modmap(client, PickKeyboard(client), (KeyCode *)&stuff[1], - stuff->numKeyPerModifier); - if (rc == MappingFailed || rc == -1) - return BadValue; - if (rc != Success && rc != MappingSuccess && rc != MappingFailed && - rc != MappingBusy) - return rc; - - rep.success = rc; - - WriteReplyToClient(client, sizeof(xSetModifierMappingReply), &rep); - return client->noClientException; -} - -int -ProcGetModifierMapping(ClientPtr client) -{ - xGetModifierMappingReply rep; - int max_keys_per_mod = 0; - KeyCode *modkeymap = NULL; - REQUEST_SIZE_MATCH(xReq); - - generate_modkeymap(client, PickKeyboard(client), &modkeymap, - &max_keys_per_mod); - - memset(&rep, 0, sizeof(xGetModifierMappingReply)); - rep.type = X_Reply; - rep.numKeyPerModifier = max_keys_per_mod; - rep.sequenceNumber = client->sequence; - /* length counts 4 byte quantities - there are 8 modifiers 1 byte big */ - rep.length = max_keys_per_mod << 1; - - WriteReplyToClient(client, sizeof(xGetModifierMappingReply), &rep); - (void)WriteToClient(client, max_keys_per_mod * 8, (char *) modkeymap); - - xfree(modkeymap); - - return client->noClientException; -} - -int -ProcChangeKeyboardMapping(ClientPtr client) -{ - REQUEST(xChangeKeyboardMappingReq); - unsigned len; - KeySymsRec keysyms; - DeviceIntPtr pDev, tmp; - int rc; - REQUEST_AT_LEAST_SIZE(xChangeKeyboardMappingReq); - - len = client->req_len - bytes_to_int32(sizeof(xChangeKeyboardMappingReq)); - if (len != (stuff->keyCodes * stuff->keySymsPerKeyCode)) - return BadLength; - - pDev = PickKeyboard(client); - - if ((stuff->firstKeyCode < pDev->key->xkbInfo->desc->min_key_code) || - (stuff->firstKeyCode > pDev->key->xkbInfo->desc->max_key_code)) { - client->errorValue = stuff->firstKeyCode; - return BadValue; - - } - if (((unsigned)(stuff->firstKeyCode + stuff->keyCodes - 1) > - pDev->key->xkbInfo->desc->max_key_code) || - (stuff->keySymsPerKeyCode == 0)) { - client->errorValue = stuff->keySymsPerKeyCode; - return BadValue; - } - - keysyms.minKeyCode = stuff->firstKeyCode; - keysyms.maxKeyCode = stuff->firstKeyCode + stuff->keyCodes - 1; - keysyms.mapWidth = stuff->keySymsPerKeyCode; - keysyms.map = (KeySym *) &stuff[1]; - - rc = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess); - if (rc != Success) - return rc; - - XkbApplyMappingChange(pDev, &keysyms, stuff->firstKeyCode, - stuff->keyCodes, NULL, client); - - for (tmp = inputInfo.devices; tmp; tmp = tmp->next) { - if (IsMaster(tmp) || tmp->u.master != pDev) - continue; - if (!tmp->key) - continue; - - rc = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess); - if (rc != Success) - continue; - - XkbApplyMappingChange(tmp, &keysyms, stuff->firstKeyCode, - stuff->keyCodes, NULL, client); - } - - return client->noClientException; -} - -int -ProcSetPointerMapping(ClientPtr client) -{ - BYTE *map; - int ret; - int i, j; - DeviceIntPtr ptr = PickPointer(client); - xSetPointerMappingReply rep; - REQUEST(xSetPointerMappingReq); - REQUEST_AT_LEAST_SIZE(xSetPointerMappingReq); - - if (client->req_len != - bytes_to_int32(sizeof(xSetPointerMappingReq) + stuff->nElts)) - return BadLength; - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.success = MappingSuccess; - map = (BYTE *)&stuff[1]; - - /* So we're bounded here by the number of core buttons. This check - * probably wants disabling through XFixes. */ - /* MPX: With ClientPointer, we can return the right number of buttons. - * Let's just hope nobody changed ClientPointer between GetPointerMapping - * and SetPointerMapping - */ - if (stuff->nElts != ptr->button->numButtons) { - client->errorValue = stuff->nElts; - return BadValue; - } - - /* Core protocol specs don't allow for duplicate mappings; this check - * almost certainly wants disabling through XFixes too. */ - for (i = 0; i < stuff->nElts; i++) { - for (j = i + 1; j < stuff->nElts; j++) { - if (map[i] && map[i] == map[j]) { - client->errorValue = map[i]; - return BadValue; - } - } - } - - ret = ApplyPointerMapping(ptr, map, stuff->nElts, client); - if (ret == MappingBusy) - rep.success = ret; - else if (ret == -1) - return BadValue; - else if (ret != Success) - return ret; - - WriteReplyToClient(client, sizeof(xSetPointerMappingReply), &rep); - return Success; -} - -int -ProcGetKeyboardMapping(ClientPtr client) -{ - xGetKeyboardMappingReply rep; - DeviceIntPtr kbd = PickKeyboard(client); - XkbDescPtr xkb; - KeySymsPtr syms; - int rc; - REQUEST(xGetKeyboardMappingReq); - REQUEST_SIZE_MATCH(xGetKeyboardMappingReq); - - rc = XaceHook(XACE_DEVICE_ACCESS, client, kbd, DixGetAttrAccess); - if (rc != Success) - return rc; - - xkb = kbd->key->xkbInfo->desc; - - if ((stuff->firstKeyCode < xkb->min_key_code) || - (stuff->firstKeyCode > xkb->max_key_code)) { - client->errorValue = stuff->firstKeyCode; - return BadValue; - } - if (stuff->firstKeyCode + stuff->count > xkb->max_key_code + 1) { - client->errorValue = stuff->count; - return BadValue; - } - - syms = XkbGetCoreMap(kbd); - if (!syms) - return BadAlloc; - - memset(&rep, 0, sizeof(xGetKeyboardMappingReply)); - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.keySymsPerKeyCode = syms->mapWidth; - /* length is a count of 4 byte quantities and KeySyms are 4 bytes */ - rep.length = syms->mapWidth * stuff->count; - WriteReplyToClient(client, sizeof(xGetKeyboardMappingReply), &rep); - client->pSwapReplyFunc = (ReplySwapPtr) CopySwap32Write; - WriteSwappedDataToClient(client, - syms->mapWidth * stuff->count * sizeof(KeySym), - &syms->map[syms->mapWidth * (stuff->firstKeyCode - - syms->minKeyCode)]); - xfree(syms->map); - xfree(syms); - - return client->noClientException; -} - -int -ProcGetPointerMapping(ClientPtr client) -{ - xGetPointerMappingReply rep; - /* Apps may get different values each time they call GetPointerMapping as - * the ClientPointer could change. */ - DeviceIntPtr ptr = PickPointer(client); - ButtonClassPtr butc = ptr->button; - int rc; - REQUEST_SIZE_MATCH(xReq); - - rc = XaceHook(XACE_DEVICE_ACCESS, client, ptr, DixGetAttrAccess); - if (rc != Success) - return rc; - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.nElts = (butc) ? butc->numButtons : 0; - rep.length = ((unsigned)rep.nElts + (4-1))/4; - WriteReplyToClient(client, sizeof(xGetPointerMappingReply), &rep); - if (butc) - WriteToClient(client, (int)rep.nElts, (char *)&butc->map[1]); - return Success; -} - -void -NoteLedState(DeviceIntPtr keybd, int led, Bool on) -{ - KeybdCtrl *ctrl = &keybd->kbdfeed->ctrl; - if (on) - ctrl->leds |= ((Leds)1 << (led - 1)); - else - ctrl->leds &= ~((Leds)1 << (led - 1)); -} - -int -Ones(unsigned long mask) /* HACKMEM 169 */ -{ - unsigned long y; - - y = (mask >> 1) &033333333333; - y = mask - y - ((y >>1) & 033333333333); - return (((y + (y >> 3)) & 030707070707) % 077); -} - -static int -DoChangeKeyboardControl (ClientPtr client, DeviceIntPtr keybd, XID *vlist, - BITS32 vmask) -{ -#define DO_ALL (-1) - KeybdCtrl ctrl; - int t; - int led = DO_ALL; - int key = DO_ALL; - BITS32 index2; - int mask = vmask, i; - XkbEventCauseRec cause; - - ctrl = keybd->kbdfeed->ctrl; - while (vmask) { - index2 = (BITS32) lowbit (vmask); - vmask &= ~index2; - switch (index2) { - case KBKeyClickPercent: - t = (INT8)*vlist; - vlist++; - if (t == -1) { - t = defaultKeyboardControl.click; - } - else if (t < 0 || t > 100) { - client->errorValue = t; - return BadValue; - } - ctrl.click = t; - break; - case KBBellPercent: - t = (INT8)*vlist; - vlist++; - if (t == -1) { - t = defaultKeyboardControl.bell; - } - else if (t < 0 || t > 100) { - client->errorValue = t; - return BadValue; - } - ctrl.bell = t; - break; - case KBBellPitch: - t = (INT16)*vlist; - vlist++; - if (t == -1) { - t = defaultKeyboardControl.bell_pitch; - } - else if (t < 0) { - client->errorValue = t; - return BadValue; - } - ctrl.bell_pitch = t; - break; - case KBBellDuration: - t = (INT16)*vlist; - vlist++; - if (t == -1) - t = defaultKeyboardControl.bell_duration; - else if (t < 0) { - client->errorValue = t; - return BadValue; - } - ctrl.bell_duration = t; - break; - case KBLed: - led = (CARD8)*vlist; - vlist++; - if (led < 1 || led > 32) { - client->errorValue = led; - return BadValue; - } - if (!(mask & KBLedMode)) - return BadMatch; - break; - case KBLedMode: - t = (CARD8)*vlist; - vlist++; - if (t == LedModeOff) { - if (led == DO_ALL) - ctrl.leds = 0x0; - else - ctrl.leds &= ~(((Leds)(1)) << (led - 1)); - } - else if (t == LedModeOn) { - if (led == DO_ALL) - ctrl.leds = ~0L; - else - ctrl.leds |= (((Leds)(1)) << (led - 1)); - } - else { - client->errorValue = t; - return BadValue; - } - - XkbSetCauseCoreReq(&cause,X_ChangeKeyboardControl,client); - XkbSetIndicators(keybd,((led == DO_ALL) ? ~0L : (1L<<(led-1))), - ctrl.leds, &cause); - ctrl.leds = keybd->kbdfeed->ctrl.leds; - - break; - case KBKey: - key = (KeyCode)*vlist; - vlist++; - if ((KeyCode)key < keybd->key->xkbInfo->desc->min_key_code || - (KeyCode)key > keybd->key->xkbInfo->desc->max_key_code) { - client->errorValue = key; - return BadValue; - } - if (!(mask & KBAutoRepeatMode)) - return BadMatch; - break; - case KBAutoRepeatMode: - i = (key >> 3); - mask = (1 << (key & 7)); - t = (CARD8)*vlist; - vlist++; - if (key != DO_ALL) - XkbDisableComputedAutoRepeats(keybd,key); - if (t == AutoRepeatModeOff) { - if (key == DO_ALL) - ctrl.autoRepeat = FALSE; - else - ctrl.autoRepeats[i] &= ~mask; - } - else if (t == AutoRepeatModeOn) { - if (key == DO_ALL) - ctrl.autoRepeat = TRUE; - else - ctrl.autoRepeats[i] |= mask; - } - else if (t == AutoRepeatModeDefault) { - if (key == DO_ALL) - ctrl.autoRepeat = defaultKeyboardControl.autoRepeat; - else - ctrl.autoRepeats[i] = - (ctrl.autoRepeats[i] & ~mask) | - (defaultKeyboardControl.autoRepeats[i] & mask); - } - else { - client->errorValue = t; - return BadValue; - } - break; - default: - client->errorValue = mask; - return BadValue; - } - } - keybd->kbdfeed->ctrl = ctrl; - - /* The XKB RepeatKeys control and core protocol global autorepeat */ - /* value are linked */ - XkbSetRepeatKeys(keybd, key, keybd->kbdfeed->ctrl.autoRepeat); - - return Success; - -#undef DO_ALL -} - -/** - * Changes kbd control on the ClientPointer and all attached SDs. - */ -int -ProcChangeKeyboardControl (ClientPtr client) -{ - XID *vlist; - BITS32 vmask; - int ret = Success, error = Success; - DeviceIntPtr pDev = NULL, keyboard; - REQUEST(xChangeKeyboardControlReq); - - REQUEST_AT_LEAST_SIZE(xChangeKeyboardControlReq); - - vmask = stuff->mask; - vlist = (XID *)&stuff[1]; - - if (client->req_len != (sizeof(xChangeKeyboardControlReq)>>2)+Ones(vmask)) - return BadLength; - - keyboard = PickKeyboard(client); - - for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { - if ((pDev == keyboard || (!IsMaster(keyboard) && pDev->u.master == keyboard)) && - pDev->kbdfeed && pDev->kbdfeed->CtrlProc) { - ret = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess); - if (ret != Success) - return ret; - } - } - - for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { - if ((pDev == keyboard || (!IsMaster(keyboard) && pDev->u.master == keyboard)) && - pDev->kbdfeed && pDev->kbdfeed->CtrlProc) { - ret = DoChangeKeyboardControl(client, pDev, vlist, vmask); - if (ret != Success) - error = ret; - } - } - - return error; -} - -int -ProcGetKeyboardControl (ClientPtr client) -{ - int rc, i; - DeviceIntPtr kbd = PickKeyboard(client); - KeybdCtrl *ctrl = &kbd->kbdfeed->ctrl; - xGetKeyboardControlReply rep; - REQUEST_SIZE_MATCH(xReq); - - rc = XaceHook(XACE_DEVICE_ACCESS, client, kbd, DixGetAttrAccess); - if (rc != Success) - return rc; - - rep.type = X_Reply; - rep.length = 5; - rep.sequenceNumber = client->sequence; - rep.globalAutoRepeat = ctrl->autoRepeat; - rep.keyClickPercent = ctrl->click; - rep.bellPercent = ctrl->bell; - rep.bellPitch = ctrl->bell_pitch; - rep.bellDuration = ctrl->bell_duration; - rep.ledMask = ctrl->leds; - for (i = 0; i < 32; i++) - rep.map[i] = ctrl->autoRepeats[i]; - WriteReplyToClient(client, sizeof(xGetKeyboardControlReply), &rep); - return Success; -} - -int -ProcBell(ClientPtr client) -{ - DeviceIntPtr dev, keybd = PickKeyboard(client); - int base = keybd->kbdfeed->ctrl.bell; - int newpercent; - int rc; - REQUEST(xBellReq); - REQUEST_SIZE_MATCH(xBellReq); - - if (stuff->percent < -100 || stuff->percent > 100) { - client->errorValue = stuff->percent; - return BadValue; - } - - newpercent = (base * stuff->percent) / 100; - if (stuff->percent < 0) - newpercent = base + newpercent; - else - newpercent = base - newpercent + stuff->percent; - - for (dev = inputInfo.devices; dev; dev = dev->next) { - if ((dev == keybd || (!IsMaster(dev) && dev->u.master == keybd)) && - dev->kbdfeed && dev->kbdfeed->BellProc) { - - rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixBellAccess); - if (rc != Success) - return rc; - XkbHandleBell(FALSE, FALSE, dev, newpercent, - &dev->kbdfeed->ctrl, 0, None, NULL, client); - } - } - - return Success; -} - -int -ProcChangePointerControl(ClientPtr client) -{ - DeviceIntPtr dev, mouse = PickPointer(client); - PtrCtrl ctrl; /* might get BadValue part way through */ - int rc; - REQUEST(xChangePointerControlReq); - REQUEST_SIZE_MATCH(xChangePointerControlReq); - - if (!mouse->ptrfeed->CtrlProc) - return BadDevice; - - ctrl = mouse->ptrfeed->ctrl; - if ((stuff->doAccel != xTrue) && (stuff->doAccel != xFalse)) { - client->errorValue = stuff->doAccel; - return(BadValue); - } - if ((stuff->doThresh != xTrue) && (stuff->doThresh != xFalse)) { - client->errorValue = stuff->doThresh; - return(BadValue); - } - if (stuff->doAccel) { - if (stuff->accelNum == -1) { - ctrl.num = defaultPointerControl.num; - } - else if (stuff->accelNum < 0) { - client->errorValue = stuff->accelNum; - return BadValue; - } - else { - ctrl.num = stuff->accelNum; - } - - if (stuff->accelDenum == -1) { - ctrl.den = defaultPointerControl.den; - } - else if (stuff->accelDenum <= 0) { - client->errorValue = stuff->accelDenum; - return BadValue; - } - else { - ctrl.den = stuff->accelDenum; - } - } - if (stuff->doThresh) { - if (stuff->threshold == -1) { - ctrl.threshold = defaultPointerControl.threshold; - } - else if (stuff->threshold < 0) { - client->errorValue = stuff->threshold; - return BadValue; - } - else { - ctrl.threshold = stuff->threshold; - } - } - - for (dev = inputInfo.devices; dev; dev = dev->next) { - if ((dev == mouse || (!IsMaster(dev) && dev->u.master == mouse)) && - dev->ptrfeed && dev->ptrfeed->CtrlProc) { - rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixManageAccess); - if (rc != Success) - return rc; - } - } - - for (dev = inputInfo.devices; dev; dev = dev->next) { - if ((dev == mouse || (!IsMaster(dev) && dev->u.master == mouse)) && - dev->ptrfeed && dev->ptrfeed->CtrlProc) { - dev->ptrfeed->ctrl = ctrl; - (*dev->ptrfeed->CtrlProc)(dev, &mouse->ptrfeed->ctrl); - } - } - - return Success; -} - -int -ProcGetPointerControl(ClientPtr client) -{ - DeviceIntPtr ptr = PickPointer(client); - PtrCtrl *ctrl = &ptr->ptrfeed->ctrl; - xGetPointerControlReply rep; - int rc; - REQUEST_SIZE_MATCH(xReq); - - rc = XaceHook(XACE_DEVICE_ACCESS, client, ptr, DixGetAttrAccess); - if (rc != Success) - return rc; - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.threshold = ctrl->threshold; - rep.accelNumerator = ctrl->num; - rep.accelDenominator = ctrl->den; - WriteReplyToClient(client, sizeof(xGenericReply), &rep); - return Success; -} - -void -MaybeStopHint(DeviceIntPtr dev, ClientPtr client) -{ - GrabPtr grab = dev->deviceGrab.grab; - - if ((grab && SameClient(grab, client) && - ((grab->eventMask & PointerMotionHintMask) || - (grab->ownerEvents && - (EventMaskForClient(dev->valuator->motionHintWindow, client) & - PointerMotionHintMask)))) || - (!grab && - (EventMaskForClient(dev->valuator->motionHintWindow, client) & - PointerMotionHintMask))) - dev->valuator->motionHintWindow = NullWindow; -} - -int -ProcGetMotionEvents(ClientPtr client) -{ - WindowPtr pWin; - xTimecoord * coords = (xTimecoord *) NULL; - xGetMotionEventsReply rep; - int i, count, xmin, xmax, ymin, ymax, rc; - unsigned long nEvents; - DeviceIntPtr mouse = PickPointer(client); - TimeStamp start, stop; - REQUEST(xGetMotionEventsReq); - REQUEST_SIZE_MATCH(xGetMotionEventsReq); - - rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); - if (rc != Success) - return rc; - rc = XaceHook(XACE_DEVICE_ACCESS, client, mouse, DixReadAccess); - if (rc != Success) - return rc; - - if (mouse->valuator->motionHintWindow) - MaybeStopHint(mouse, client); - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - nEvents = 0; - start = ClientTimeToServerTime(stuff->start); - stop = ClientTimeToServerTime(stuff->stop); - if ((CompareTimeStamps(start, stop) != LATER) && - (CompareTimeStamps(start, currentTime) != LATER) && - mouse->valuator->numMotionEvents) - { - if (CompareTimeStamps(stop, currentTime) == LATER) - stop = currentTime; - count = GetMotionHistory(mouse, &coords, start.milliseconds, - stop.milliseconds, pWin->drawable.pScreen, - TRUE); - xmin = pWin->drawable.x - wBorderWidth (pWin); - xmax = pWin->drawable.x + (int)pWin->drawable.width + - wBorderWidth (pWin); - ymin = pWin->drawable.y - wBorderWidth (pWin); - ymax = pWin->drawable.y + (int)pWin->drawable.height + - wBorderWidth (pWin); - for (i = 0; i < count; i++) - if ((xmin <= coords[i].x) && (coords[i].x < xmax) && - (ymin <= coords[i].y) && (coords[i].y < ymax)) - { - coords[nEvents].time = coords[i].time; - coords[nEvents].x = coords[i].x - pWin->drawable.x; - coords[nEvents].y = coords[i].y - pWin->drawable.y; - nEvents++; - } - } - rep.length = nEvents * bytes_to_int32(sizeof(xTimecoord)); - rep.nEvents = nEvents; - WriteReplyToClient(client, sizeof(xGetMotionEventsReply), &rep); - if (nEvents) - { - client->pSwapReplyFunc = (ReplySwapPtr) SwapTimeCoordWrite; - WriteSwappedDataToClient(client, nEvents * sizeof(xTimecoord), - (char *)coords); - } - if (coords) - xfree(coords); - return Success; -} - -int -ProcQueryKeymap(ClientPtr client) -{ - xQueryKeymapReply rep; - int rc, i; - DeviceIntPtr keybd = PickKeyboard(client); - CARD8 *down = keybd->key->down; - - REQUEST_SIZE_MATCH(xReq); - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.length = 2; - - rc = XaceHook(XACE_DEVICE_ACCESS, client, keybd, DixReadAccess); - if (rc != Success && rc != BadAccess) - return rc; - - for (i = 0; i<32; i++) - rep.map[i] = down[i]; - - if (rc == BadAccess) - memset(rep.map, 0, 32); - - WriteReplyToClient(client, sizeof(xQueryKeymapReply), &rep); - - return Success; -} - - -/** - * Recalculate the number of buttons for the master device. The number of - * buttons on the master device is equal to the number of buttons on the - * slave device with the highest number of buttons. - */ -static void -RecalculateMasterButtons(DeviceIntPtr slave) -{ - DeviceIntPtr dev, master; - int maxbuttons = 0; - - if (!slave->button || IsMaster(slave)) - return; - - master = GetMaster(slave, MASTER_POINTER); - if (!master) - return; - - for (dev = inputInfo.devices; dev; dev = dev->next) - { - if (IsMaster(dev) || - dev->u.master != master || - !dev->button) - continue; - - maxbuttons = max(maxbuttons, dev->button->numButtons); - } - - if (master->button->numButtons != maxbuttons) - { - int i; - DeviceChangedEvent event; - - memset(&event, 0, sizeof(event)); - - master->button->numButtons = maxbuttons; - - event.header = ET_Internal; - event.type = ET_DeviceChanged; - event.time = CurrentTime; - event.deviceid = master->id; - event.flags = DEVCHANGE_POINTER_EVENT | DEVCHANGE_DEVICE_CHANGE; - event.buttons.num_buttons = maxbuttons; - memcpy(&event.buttons.names, master->button->labels, maxbuttons * - sizeof(Atom)); - - if (master->valuator) - { - event.num_valuators = master->valuator->numAxes; - for (i = 0; i < event.num_valuators; i++) - { - event.valuators[i].min = master->valuator->axes[i].min_value; - event.valuators[i].max = master->valuator->axes[i].max_value; - event.valuators[i].resolution = master->valuator->axes[i].resolution; - /* This should, eventually, be a per-axis mode */ - event.valuators[i].mode = master->valuator->mode; - event.valuators[i].name = master->valuator->axes[i].label; - } - } - - if (master->key) - { - event.keys.min_keycode = master->key->xkbInfo->desc->min_key_code; - event.keys.max_keycode = master->key->xkbInfo->desc->max_key_code; - } - - XISendDeviceChangedEvent(master, master, &event); - } -} - -/** - * Attach device 'dev' to device 'master'. - * Client is set to the client that issued the request, or NULL if it comes - * from some internal automatic pairing. - * - * Master may be NULL to set the device floating. - * - * We don't allow multi-layer hierarchies right now. You can't attach a slave - * to another slave. - */ -int -AttachDevice(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr master) -{ - ScreenPtr screen; - DeviceIntPtr oldmaster; - if (!dev || IsMaster(dev)) - return BadDevice; - - if (master && !IsMaster(master)) /* can't attach to slaves */ - return BadDevice; - - /* set from floating to floating? */ - if (!dev->u.master && !master && dev->enabled) - return Success; - - /* free the existing sprite. */ - if (!dev->u.master && dev->spriteInfo->paired == dev) - { - screen = miPointerGetScreen(dev); - screen->DeviceCursorCleanup(dev, screen); - xfree(dev->spriteInfo->sprite); - } - - oldmaster = dev->u.master; - dev->u.master = master; - - /* If device is set to floating, we need to create a sprite for it, - * otherwise things go bad. However, we don't want to render the cursor, - * so we reset spriteOwner. - * Sprite has to be forced to NULL first, otherwise InitializeSprite won't - * alloc new memory but overwrite the previous one. - */ - if (!master) - { - WindowPtr currentRoot; - - if (dev->spriteInfo->sprite) - currentRoot = dev->spriteInfo->sprite->spriteTrace[0]; - else /* new device auto-set to floating */ - currentRoot = WindowTable[0]; - - /* we need to init a fake sprite */ - screen = currentRoot->drawable.pScreen; - screen->DeviceCursorInitialize(dev, screen); - dev->spriteInfo->sprite = NULL; - InitializeSprite(dev, currentRoot); - dev->spriteInfo->spriteOwner = FALSE; - dev->spriteInfo->paired = dev; - } else - { - dev->spriteInfo->sprite = master->spriteInfo->sprite; - dev->spriteInfo->paired = master; - dev->spriteInfo->spriteOwner = FALSE; - - RecalculateMasterButtons(master); - } - - /* XXX: in theory, the MD should change back to its old, original - * classes when the last SD is detached. Thanks to the XTEST devices, - * we'll always have an SD attached until the MD is removed. - * So let's not worry about that. - */ - - return Success; -} - -/** - * Return the device paired with the given device or NULL. - * Returns the device paired with the parent master if the given device is a - * slave device. - */ -DeviceIntPtr -GetPairedDevice(DeviceIntPtr dev) -{ - if (!IsMaster(dev) && dev->u.master) - dev = dev->u.master; - - return dev->spriteInfo->paired; -} - - -/** - * Returns the right master for the type of event needed. If the event is a - * keyboard event. - * This function may be called with a master device as argument. If so, the - * returned master is either the device itself or the paired master device. - * If dev is a floating slave device, NULL is returned. - * - * @type ::MASTER_KEYBOARD or ::MASTER_POINTER - */ -DeviceIntPtr -GetMaster(DeviceIntPtr dev, int which) -{ - DeviceIntPtr master; - - if (IsMaster(dev)) - master = dev; - else - master = dev->u.master; - - if (master) - { - if (which == MASTER_KEYBOARD) - { - if (master->type != MASTER_KEYBOARD) - master = GetPairedDevice(master); - } else - { - if (master->type != MASTER_POINTER) - master = GetPairedDevice(master); - } - } - - return master; -} - -/** - * Create a new device pair (== one pointer, one keyboard device). - * Only allocates the devices, you will need to call ActivateDevice() and - * EnableDevice() manually. - * Either a master or a slave device can be created depending on - * the value for master. - */ -int -AllocDevicePair (ClientPtr client, char* name, - DeviceIntPtr* ptr, - DeviceIntPtr* keybd, - DeviceProc ptr_proc, - DeviceProc keybd_proc, - Bool master) -{ - DeviceIntPtr pointer; - DeviceIntPtr keyboard; - *ptr = *keybd = NULL; - - pointer = AddInputDevice(client, ptr_proc, TRUE); - if (!pointer) - return BadAlloc; - - pointer->name = xcalloc(strlen(name) + strlen(" pointer") + 1, sizeof(char)); - strcpy(pointer->name, name); - strcat(pointer->name, " pointer"); - - pointer->public.processInputProc = ProcessOtherEvent; - pointer->public.realInputProc = ProcessOtherEvent; - XkbSetExtension(pointer, ProcessPointerEvent); - pointer->deviceGrab.ActivateGrab = ActivatePointerGrab; - pointer->deviceGrab.DeactivateGrab = DeactivatePointerGrab; - pointer->coreEvents = TRUE; - pointer->spriteInfo->spriteOwner = TRUE; - - pointer->u.lastSlave = NULL; - pointer->last.slave = NULL; - pointer->type = (master) ? MASTER_POINTER : SLAVE; - - keyboard = AddInputDevice(client, keybd_proc, TRUE); - if (!keyboard) - { - RemoveDevice(pointer, FALSE); - return BadAlloc; - } - - keyboard->name = xcalloc(strlen(name) + strlen(" keyboard") + 1, sizeof(char)); - strcpy(keyboard->name, name); - strcat(keyboard->name, " keyboard"); - - keyboard->public.processInputProc = ProcessOtherEvent; - keyboard->public.realInputProc = ProcessOtherEvent; - XkbSetExtension(keyboard, ProcessKeyboardEvent); - keyboard->deviceGrab.ActivateGrab = ActivateKeyboardGrab; - keyboard->deviceGrab.DeactivateGrab = DeactivateKeyboardGrab; - keyboard->coreEvents = TRUE; - keyboard->spriteInfo->spriteOwner = FALSE; - - keyboard->u.lastSlave = NULL; - keyboard->last.slave = NULL; - keyboard->type = (master) ? MASTER_KEYBOARD : SLAVE; - - /* The ClassesRec stores the device classes currently not used. */ - pointer->unused_classes = xcalloc(1, sizeof(ClassesRec)); - keyboard->unused_classes = xcalloc(1, sizeof(ClassesRec)); - - *ptr = pointer; - *keybd = keyboard; - - return Success; -} - +/************************************************************
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+********************************************************/
+
+
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include "misc.h"
+#include "resource.h"
+#include <X11/Xproto.h>
+#include <X11/Xatom.h>
+#include "windowstr.h"
+#include "inputstr.h"
+#include "scrnintstr.h"
+#include "cursorstr.h"
+#include "dixstruct.h"
+#include "ptrveloc.h"
+#include "site.h"
+#include "xkbsrv.h"
+#include "privates.h"
+#include "xace.h"
+#include "mi.h"
+
+#include "dispatch.h"
+#include "swaprep.h"
+#include "dixevents.h"
+#include "mipointer.h"
+#include "eventstr.h"
+
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XI2.h>
+#include <X11/extensions/XIproto.h>
+#include "exglobals.h"
+#include "exevents.h"
+#include "xiquerydevice.h" /* for SizeDeviceClasses */
+#include "xiproperty.h"
+#include "enterleave.h" /* for EnterWindow() */
+#include "xserver-properties.h"
+#include "xichangehierarchy.h" /* For XISendDeviceHierarchyEvent */
+
+/** @file
+ * This file handles input device-related stuff.
+ */
+
+static void RecalculateMasterButtons(DeviceIntPtr slave);
+
+/**
+ * DIX property handler.
+ */
+static int
+DeviceSetProperty(DeviceIntPtr dev, Atom property, XIPropertyValuePtr prop,
+ BOOL checkonly)
+{
+ if (property == XIGetKnownProperty(XI_PROP_ENABLED))
+ {
+ if (prop->format != 8 || prop->type != XA_INTEGER || prop->size != 1)
+ return BadValue;
+
+ /* Don't allow disabling of VCP/VCK */
+ if ((dev == inputInfo.pointer || dev == inputInfo.keyboard) &&
+ !(*(CARD8*)prop->data))
+ return BadAccess;
+
+ if (!checkonly)
+ {
+ if ((*((CARD8*)prop->data)) && !dev->enabled)
+ EnableDevice(dev, TRUE);
+ else if (!(*((CARD8*)prop->data)) && dev->enabled)
+ DisableDevice(dev, TRUE);
+ }
+ }
+
+ return Success;
+}
+
+/* Pair the keyboard to the pointer device. Keyboard events will follow the
+ * pointer sprite. Only applicable for master devices.
+ * If the client is set, the request to pair comes from some client. In this
+ * case, we need to check for access. If the client is NULL, it's from an
+ * internal automatic pairing, we must always permit this.
+ */
+static int
+PairDevices(ClientPtr client, DeviceIntPtr ptr, DeviceIntPtr kbd)
+{
+ if (!ptr)
+ return BadDevice;
+
+ /* Don't allow pairing for slave devices */
+ if (!IsMaster(ptr) || !IsMaster(kbd))
+ return BadDevice;
+
+ if (ptr->spriteInfo->paired)
+ return BadDevice;
+
+ if (kbd->spriteInfo->spriteOwner)
+ {
+ free(kbd->spriteInfo->sprite);
+ kbd->spriteInfo->sprite = NULL;
+ kbd->spriteInfo->spriteOwner = FALSE;
+ }
+
+ kbd->spriteInfo->sprite = ptr->spriteInfo->sprite;
+ kbd->spriteInfo->paired = ptr;
+ ptr->spriteInfo->paired = kbd;
+ return Success;
+}
+
+
+/**
+ * Find and return the next unpaired MD pointer device.
+ */
+static DeviceIntPtr
+NextFreePointerDevice(void)
+{
+ DeviceIntPtr dev;
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ if (IsMaster(dev) &&
+ dev->spriteInfo->spriteOwner &&
+ !dev->spriteInfo->paired)
+ return dev;
+ return NULL;
+}
+
+/**
+ * Create a new input device and init it to sane values. The device is added
+ * to the server's off_devices list.
+ *
+ * @param deviceProc Callback for device control function (switch dev on/off).
+ * @return The newly created device.
+ */
+DeviceIntPtr
+AddInputDevice(ClientPtr client, DeviceProc deviceProc, Bool autoStart)
+{
+ DeviceIntPtr dev, *prev; /* not a typo */
+ DeviceIntPtr devtmp;
+ int devid;
+ char devind[MAXDEVICES];
+ BOOL enabled;
+
+ /* Find next available id, 0 and 1 are reserved */
+ memset(devind, 0, sizeof(char)*MAXDEVICES);
+ for (devtmp = inputInfo.devices; devtmp; devtmp = devtmp->next)
+ devind[devtmp->id]++;
+ for (devtmp = inputInfo.off_devices; devtmp; devtmp = devtmp->next)
+ devind[devtmp->id]++;
+ for (devid = 2; devid < MAXDEVICES && devind[devid]; devid++)
+ ;
+
+ if (devid >= MAXDEVICES)
+ return (DeviceIntPtr)NULL;
+ dev = calloc(sizeof(DeviceIntRec) + sizeof(SpriteInfoRec), 1);
+ if (!dev)
+ return (DeviceIntPtr)NULL;
+ dev->id = devid;
+ dev->public.processInputProc = (ProcessInputProc)NoopDDA;
+ dev->public.realInputProc = (ProcessInputProc)NoopDDA;
+ dev->public.enqueueInputProc = EnqueueEvent;
+ dev->deviceProc = deviceProc;
+ dev->startup = autoStart;
+
+ /* device grab defaults */
+ dev->deviceGrab.grabTime = currentTime;
+ dev->deviceGrab.ActivateGrab = ActivateKeyboardGrab;
+ dev->deviceGrab.DeactivateGrab = DeactivateKeyboardGrab;
+
+ dev->coreEvents = TRUE;
+
+ /* sprite defaults */
+ dev->spriteInfo = (SpriteInfoPtr)&dev[1];
+
+ /* security creation/labeling check
+ */
+ if (XaceHook(XACE_DEVICE_ACCESS, client, dev, DixCreateAccess)) {
+ free(dev);
+ return NULL;
+ }
+
+ inputInfo.numDevices++;
+
+ for (prev = &inputInfo.off_devices; *prev; prev = &(*prev)->next)
+ ;
+ *prev = dev;
+ dev->next = NULL;
+
+ enabled = FALSE;
+ XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED),
+ XA_INTEGER, 8, PropModeReplace, 1, &enabled,
+ FALSE);
+ XISetDevicePropertyDeletable(dev, XIGetKnownProperty(XI_PROP_ENABLED), FALSE);
+ XIRegisterPropertyHandler(dev, DeviceSetProperty, NULL, NULL);
+
+ return dev;
+}
+
+void
+SendDevicePresenceEvent(int deviceid, int type)
+{
+ DeviceIntRec dummyDev;
+ devicePresenceNotify ev;
+
+ memset(&dummyDev, 0, sizeof(DeviceIntRec));
+ ev.type = DevicePresenceNotify;
+ ev.time = currentTime.milliseconds;
+ ev.devchange = type;
+ ev.deviceid = deviceid;
+ dummyDev.id = XIAllDevices;
+ SendEventToAllWindows(&dummyDev, DevicePresenceNotifyMask,
+ (xEvent*)&ev, 1);
+}
+
+/**
+ * Enable the device through the driver, add the device to the device list.
+ * Switch device ON through the driver and push it onto the global device
+ * list. Initialize the DIX sprite or pair the device. All clients are
+ * notified about the device being enabled.
+ *
+ * A master pointer device needs to be enabled before a master keyboard
+ * device.
+ *
+ * @param The device to be enabled.
+ * @param sendevent True if an XI2 event should be sent.
+ * @return TRUE on success or FALSE otherwise.
+ */
+Bool
+EnableDevice(DeviceIntPtr dev, BOOL sendevent)
+{
+ DeviceIntPtr *prev;
+ int ret;
+ DeviceIntPtr other;
+ BOOL enabled;
+ int flags[MAXDEVICES] = {0};
+
+ for (prev = &inputInfo.off_devices;
+ *prev && (*prev != dev);
+ prev = &(*prev)->next)
+ ;
+
+ if (!dev->spriteInfo->sprite)
+ {
+ if (IsMaster(dev))
+ {
+ /* Sprites appear on first root window, so we can hardcode it */
+ if (dev->spriteInfo->spriteOwner)
+ {
+ InitializeSprite(dev, WindowTable[0]);
+ /* mode doesn't matter */
+ EnterWindow(dev, WindowTable[0], NotifyAncestor);
+ }
+ else if ((other = NextFreePointerDevice()) == NULL)
+ {
+ ErrorF("[dix] cannot find pointer to pair with. "
+ "This is a bug.\n");
+ return FALSE;
+ } else
+ PairDevices(NULL, other, dev);
+ } else
+ {
+ if (dev->coreEvents)
+ other = (IsPointerDevice(dev)) ? inputInfo.pointer :
+ inputInfo.keyboard;
+ else
+ other = NULL; /* auto-float non-core devices */
+ AttachDevice(NULL, dev, other);
+ }
+ }
+
+ /* Before actually enabling the device, we need to make sure the event
+ * list's events have enough memory for a ClassesChangedEvent from the
+ * device
+ */
+ if ((*prev != dev) || !dev->inited ||
+ ((ret = (*dev->deviceProc)(dev, DEVICE_ON)) != Success)) {
+ ErrorF("[dix] couldn't enable device %d\n", dev->id);
+ return FALSE;
+ }
+ dev->enabled = TRUE;
+ *prev = dev->next;
+
+ for (prev = &inputInfo.devices; *prev; prev = &(*prev)->next)
+ ;
+ *prev = dev;
+ dev->next = NULL;
+
+ enabled = TRUE;
+ XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED),
+ XA_INTEGER, 8, PropModeReplace, 1, &enabled,
+ TRUE);
+
+ SendDevicePresenceEvent(dev->id, DeviceEnabled);
+ if (sendevent)
+ {
+ flags[dev->id] |= XIDeviceEnabled;
+ XISendDeviceHierarchyEvent(flags);
+ }
+
+ RecalculateMasterButtons(dev);
+
+ return TRUE;
+}
+
+/**
+ * Switch a device off through the driver and push it onto the off_devices
+ * list. A device will not send events while disabled. All clients are
+ * notified about the device being disabled.
+ *
+ * Master keyboard devices have to be disabled before master pointer devices
+ * otherwise things turn bad.
+ *
+ * @param sendevent True if an XI2 event should be sent.
+ * @return TRUE on success or FALSE otherwise.
+ */
+Bool
+DisableDevice(DeviceIntPtr dev, BOOL sendevent)
+{
+ DeviceIntPtr *prev, other;
+ BOOL enabled;
+ int flags[MAXDEVICES] = {0};
+
+ for (prev = &inputInfo.devices;
+ *prev && (*prev != dev);
+ prev = &(*prev)->next)
+ ;
+ if (*prev != dev)
+ return FALSE;
+
+ /* float attached devices */
+ if (IsMaster(dev))
+ {
+ for (other = inputInfo.devices; other; other = other->next)
+ {
+ if (other->u.master == dev)
+ {
+ AttachDevice(NULL, other, NULL);
+ flags[other->id] |= XISlaveDetached;
+ }
+ }
+ }
+ else
+ {
+ for (other = inputInfo.devices; other; other = other->next)
+ {
+ if (IsMaster(other) && other->u.lastSlave == dev)
+ other->u.lastSlave = NULL;
+ }
+ }
+
+ if (IsMaster(dev) && dev->spriteInfo->sprite)
+ {
+ for (other = inputInfo.devices; other; other = other->next)
+ {
+ if (other->spriteInfo->paired == dev)
+ {
+ ErrorF("[dix] cannot disable device, still paired. "
+ "This is a bug. \n");
+ return FALSE;
+ }
+ }
+ }
+
+ (void)(*dev->deviceProc)(dev, DEVICE_OFF);
+ dev->enabled = FALSE;
+
+ /* now that the device is disabled, we can reset the signal handler's
+ * last.slave */
+ OsBlockSignals();
+ for (other = inputInfo.devices; other; other = other->next)
+ {
+ if (other->last.slave == dev)
+ other->last.slave = NULL;
+ }
+ OsReleaseSignals();
+
+ LeaveWindow(dev);
+ SetFocusOut(dev);
+
+ *prev = dev->next;
+ dev->next = inputInfo.off_devices;
+ inputInfo.off_devices = dev;
+
+ enabled = FALSE;
+ XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED),
+ XA_INTEGER, 8, PropModeReplace, 1, &enabled,
+ TRUE);
+
+ SendDevicePresenceEvent(dev->id, DeviceDisabled);
+ if (sendevent)
+ {
+ flags[dev->id] = XIDeviceDisabled;
+ XISendDeviceHierarchyEvent(flags);
+ }
+
+ RecalculateMasterButtons(dev);
+
+ return TRUE;
+}
+
+/**
+ * Initialise a new device through the driver and tell all clients about the
+ * new device.
+ *
+ * Must be called before EnableDevice.
+ * The device will NOT send events until it is enabled!
+ *
+ * @param sendevent True if an XI2 event should be sent.
+ * @return Success or an error code on failure.
+ */
+int
+ActivateDevice(DeviceIntPtr dev, BOOL sendevent)
+{
+ int ret = Success;
+ ScreenPtr pScreen = screenInfo.screens[0];
+
+ if (!dev || !dev->deviceProc)
+ return BadImplementation;
+
+ ret = (*dev->deviceProc) (dev, DEVICE_INIT);
+ dev->inited = (ret == Success);
+ if (!dev->inited)
+ return ret;
+
+ /* Initialize memory for sprites. */
+ if (IsMaster(dev) && dev->spriteInfo->spriteOwner)
+ pScreen->DeviceCursorInitialize(dev, pScreen);
+
+ SendDevicePresenceEvent(dev->id, DeviceAdded);
+ if (sendevent)
+ {
+ int flags[MAXDEVICES] = {0};
+ flags[dev->id] = XISlaveAdded;
+ XISendDeviceHierarchyEvent(flags);
+ }
+ return ret;
+}
+
+/**
+ * Ring the bell.
+ * The actual task of ringing the bell is the job of the DDX.
+ */
+static void
+CoreKeyboardBell(int volume, DeviceIntPtr pDev, pointer arg, int something)
+{
+ KeybdCtrl *ctrl = arg;
+
+ DDXRingBell(volume, ctrl->bell_pitch, ctrl->bell_duration);
+}
+
+static void
+CoreKeyboardCtl(DeviceIntPtr pDev, KeybdCtrl *ctrl)
+{
+ return;
+}
+
+/**
+ * Device control function for the Virtual Core Keyboard.
+ */
+int
+CoreKeyboardProc(DeviceIntPtr pDev, int what)
+{
+
+ switch (what) {
+ case DEVICE_INIT:
+ if (!InitKeyboardDeviceStruct(pDev, NULL, CoreKeyboardBell,
+ CoreKeyboardCtl))
+ {
+ ErrorF("Keyboard initialization failed. This could be a missing "
+ "or incorrect setup of xkeyboard-config.\n");
+ return BadValue;
+ }
+ return Success;
+
+ case DEVICE_ON:
+ case DEVICE_OFF:
+ return Success;
+
+ case DEVICE_CLOSE:
+ return Success;
+ }
+
+ return BadMatch;
+}
+
+/**
+ * Device control function for the Virtual Core Pointer.
+ */
+int
+CorePointerProc(DeviceIntPtr pDev, int what)
+{
+#define NBUTTONS 10
+#define NAXES 2
+ BYTE map[NBUTTONS + 1];
+ int i = 0;
+ Atom btn_labels[NBUTTONS] = {0};
+ Atom axes_labels[NAXES] = {0};
+
+ switch (what) {
+ case DEVICE_INIT:
+ for (i = 1; i <= NBUTTONS; i++)
+ map[i] = i;
+
+ btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT);
+ btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE);
+ btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT);
+ btn_labels[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP);
+ btn_labels[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN);
+ btn_labels[5] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_LEFT);
+ btn_labels[6] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_RIGHT);
+ /* don't know about the rest */
+
+ axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X);
+ axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y);
+
+ if (!InitPointerDeviceStruct((DevicePtr)pDev, map, NBUTTONS, btn_labels,
+ (PtrCtrlProcPtr)NoopDDA,
+ GetMotionHistorySize(), NAXES, axes_labels))
+ {
+ ErrorF("Could not initialize device '%s'. Out of memory.\n",
+ pDev->name);
+ return BadAlloc; /* IPDS only fails on allocs */
+ }
+ pDev->valuator->axisVal[0] = screenInfo.screens[0]->width / 2;
+ pDev->last.valuators[0] = pDev->valuator->axisVal[0];
+ pDev->valuator->axisVal[1] = screenInfo.screens[0]->height / 2;
+ pDev->last.valuators[1] = pDev->valuator->axisVal[1];
+ break;
+
+ case DEVICE_CLOSE:
+ break;
+
+ default:
+ break;
+ }
+
+ return Success;
+
+#undef NBUTTONS
+#undef NAXES
+}
+
+/**
+ * Initialise the two core devices, VCP and VCK (see events.c).
+ * Both devices are not tied to physical devices, but guarantee that there is
+ * always a keyboard and a pointer present and keep the protocol semantics.
+ *
+ * Note that the server MUST have two core devices at all times, even if there
+ * is no physical device connected.
+ */
+void
+InitCoreDevices(void)
+{
+ if (AllocDevicePair(serverClient, "Virtual core",
+ &inputInfo.pointer, &inputInfo.keyboard,
+ CorePointerProc, CoreKeyboardProc,
+ TRUE) != Success)
+ FatalError("Failed to allocate core devices");
+
+ if (ActivateDevice(inputInfo.pointer, TRUE) != Success ||
+ ActivateDevice(inputInfo.keyboard, TRUE) != Success)
+ FatalError("Failed to activate core devices.");
+ if (!EnableDevice(inputInfo.pointer, TRUE) ||
+ !EnableDevice(inputInfo.keyboard, TRUE))
+ FatalError("Failed to enable core devices.");
+
+ InitXTestDevices();
+}
+
+/**
+ * Activate all switched-off devices and then enable all those devices.
+ *
+ * Will return an error if no core keyboard or core pointer is present.
+ * In theory this should never happen if you call InitCoreDevices() first.
+ *
+ * InitAndStartDevices needs to be called AFTER the windows are initialized.
+ * Devices will start sending events after InitAndStartDevices() has
+ * completed.
+ *
+ * @return Success or error code on failure.
+ */
+int
+InitAndStartDevices(void)
+{
+ DeviceIntPtr dev, next;
+
+ for (dev = inputInfo.off_devices; dev; dev = dev->next) {
+ DebugF("(dix) initialising device %d\n", dev->id);
+ if (!dev->inited)
+ ActivateDevice(dev, TRUE);
+ }
+
+ /* enable real devices */
+ for (dev = inputInfo.off_devices; dev; dev = next)
+ {
+ DebugF("(dix) enabling device %d\n", dev->id);
+ next = dev->next;
+ if (dev->inited && dev->startup)
+ EnableDevice(dev, TRUE);
+ }
+
+ return Success;
+}
+
+/**
+ * Free the given device class and reset the pointer to NULL.
+ */
+static void
+FreeDeviceClass(int type, pointer *class)
+{
+ if (!(*class))
+ return;
+
+ switch(type)
+ {
+ case KeyClass:
+ {
+ KeyClassPtr* k = (KeyClassPtr*)class;
+ if ((*k)->xkbInfo)
+ {
+ XkbFreeInfo((*k)->xkbInfo);
+ (*k)->xkbInfo = NULL;
+ }
+ free((*k));
+ break;
+ }
+ case ButtonClass:
+ {
+ ButtonClassPtr *b = (ButtonClassPtr*)class;
+ if ((*b)->xkb_acts)
+ free((*b)->xkb_acts);
+ free((*b));
+ break;
+ }
+ case ValuatorClass:
+ {
+ ValuatorClassPtr *v = (ValuatorClassPtr*)class;
+
+ if ((*v)->motion)
+ free((*v)->motion);
+ free((*v));
+ break;
+ }
+ case FocusClass:
+ {
+ FocusClassPtr *f = (FocusClassPtr*)class;
+ free((*f)->trace);
+ free((*f));
+ break;
+ }
+ case ProximityClass:
+ {
+ ProximityClassPtr *p = (ProximityClassPtr*)class;
+ free((*p));
+ break;
+ }
+ }
+ *class = NULL;
+}
+
+static void
+FreeFeedbackClass(int type, pointer *class)
+{
+ if (!(*class))
+ return;
+
+ switch(type)
+ {
+ case KbdFeedbackClass:
+ {
+ KbdFeedbackPtr *kbdfeed = (KbdFeedbackPtr*)class;
+ KbdFeedbackPtr k, knext;
+ for (k = (*kbdfeed); k; k = knext) {
+ knext = k->next;
+ if (k->xkb_sli)
+ XkbFreeSrvLedInfo(k->xkb_sli);
+ free(k);
+ }
+ break;
+ }
+ case PtrFeedbackClass:
+ {
+ PtrFeedbackPtr *ptrfeed = (PtrFeedbackPtr*)class;
+ PtrFeedbackPtr p, pnext;
+
+ for (p = (*ptrfeed); p; p = pnext) {
+ pnext = p->next;
+ free(p);
+ }
+ break;
+ }
+ case IntegerFeedbackClass:
+ {
+ IntegerFeedbackPtr *intfeed = (IntegerFeedbackPtr*)class;
+ IntegerFeedbackPtr i, inext;
+
+ for (i = (*intfeed); i; i = inext) {
+ inext = i->next;
+ free(i);
+ }
+ break;
+ }
+ case StringFeedbackClass:
+ {
+ StringFeedbackPtr *stringfeed = (StringFeedbackPtr*)class;
+ StringFeedbackPtr s, snext;
+
+ for (s = (*stringfeed); s; s = snext) {
+ snext = s->next;
+ free(s->ctrl.symbols_supported);
+ free(s->ctrl.symbols_displayed);
+ free(s);
+ }
+ break;
+ }
+ case BellFeedbackClass:
+ {
+ BellFeedbackPtr *bell = (BellFeedbackPtr*)class;
+ BellFeedbackPtr b, bnext;
+
+ for (b = (*bell); b; b = bnext) {
+ bnext = b->next;
+ free(b);
+ }
+ break;
+ }
+ case LedFeedbackClass:
+ {
+ LedFeedbackPtr *leds = (LedFeedbackPtr*)class;
+ LedFeedbackPtr l, lnext;
+
+ for (l = (*leds); l; l = lnext) {
+ lnext = l->next;
+ if (l->xkb_sli)
+ XkbFreeSrvLedInfo(l->xkb_sli);
+ free(l);
+ }
+ break;
+ }
+ }
+ *class = NULL;
+}
+
+static void
+FreeAllDeviceClasses(ClassesPtr classes)
+{
+ if (!classes)
+ return;
+
+ FreeDeviceClass(KeyClass, (pointer)&classes->key);
+ FreeDeviceClass(ValuatorClass, (pointer)&classes->valuator);
+ FreeDeviceClass(ButtonClass, (pointer)&classes->button);
+ FreeDeviceClass(FocusClass, (pointer)&classes->focus);
+ FreeDeviceClass(ProximityClass, (pointer)&classes->proximity);
+
+ FreeFeedbackClass(KbdFeedbackClass, (pointer)&classes->kbdfeed);
+ FreeFeedbackClass(PtrFeedbackClass, (pointer)&classes->ptrfeed);
+ FreeFeedbackClass(IntegerFeedbackClass, (pointer)&classes->intfeed);
+ FreeFeedbackClass(StringFeedbackClass, (pointer)&classes->stringfeed);
+ FreeFeedbackClass(BellFeedbackClass, (pointer)&classes->bell);
+ FreeFeedbackClass(LedFeedbackClass, (pointer)&classes->leds);
+
+}
+
+/**
+ * Close down a device and free all resources.
+ * Once closed down, the driver will probably not expect you that you'll ever
+ * enable it again and free associated structs. If you want the device to just
+ * be disabled, DisableDevice().
+ * Don't call this function directly, use RemoveDevice() instead.
+ */
+static void
+CloseDevice(DeviceIntPtr dev)
+{
+ ScreenPtr screen = screenInfo.screens[0];
+ ClassesPtr classes;
+ int j;
+
+ if (!dev)
+ return;
+
+ XIDeleteAllDeviceProperties(dev);
+
+ if (dev->inited)
+ (void)(*dev->deviceProc)(dev, DEVICE_CLOSE);
+
+ /* free sprite memory */
+ if (IsMaster(dev) && dev->spriteInfo->sprite)
+ screen->DeviceCursorCleanup(dev, screen);
+
+ /* free acceleration info */
+ if(dev->valuator && dev->valuator->accelScheme.AccelCleanupProc)
+ dev->valuator->accelScheme.AccelCleanupProc(dev);
+
+ while (dev->xkb_interest)
+ XkbRemoveResourceClient((DevicePtr)dev,dev->xkb_interest->resource);
+
+ free(dev->name);
+
+ classes = (ClassesPtr)&dev->key;
+ FreeAllDeviceClasses(classes);
+
+ if (IsMaster(dev))
+ {
+ classes = dev->unused_classes;
+ FreeAllDeviceClasses(classes);
+ free(classes);
+ }
+
+ if (DevHasCursor(dev) && dev->spriteInfo->sprite) {
+ if (dev->spriteInfo->sprite->current)
+ FreeCursor(dev->spriteInfo->sprite->current, None);
+ free(dev->spriteInfo->sprite->spriteTrace);
+ free(dev->spriteInfo->sprite);
+ }
+
+ /* a client may have the device set as client pointer */
+ for (j = 0; j < currentMaxClients; j++)
+ {
+ if (clients[j] && clients[j]->clientPtr == dev)
+ {
+ clients[j]->clientPtr = NULL;
+ clients[j]->clientPtr = PickPointer(clients[j]);
+ }
+ }
+
+ free(dev->deviceGrab.sync.event);
+ dixFreePrivates(dev->devPrivates);
+ free(dev);
+}
+
+/**
+ * Shut down all devices of one list and free all resources.
+ */
+static
+void
+CloseDeviceList(DeviceIntPtr *listHead)
+{
+ /* Used to mark devices that we tried to free */
+ Bool freedIds[MAXDEVICES];
+ DeviceIntPtr dev;
+ int i;
+
+ if (listHead == NULL)
+ return;
+
+ for (i = 0; i < MAXDEVICES; i++)
+ freedIds[i] = FALSE;
+
+ dev = *listHead;
+ while (dev != NULL)
+ {
+ freedIds[dev->id] = TRUE;
+ DeleteInputDeviceRequest(dev);
+
+ dev = *listHead;
+ while (dev != NULL && freedIds[dev->id])
+ dev = dev->next;
+ }
+}
+
+/**
+ * Shut down all devices, free all resources, etc.
+ * Only useful if you're shutting down the server!
+ */
+void
+CloseDownDevices(void)
+{
+ DeviceIntPtr dev;
+
+ /* Float all SDs before closing them. Note that at this point resources
+ * (e.g. cursors) have been freed already, so we can't just call
+ * AttachDevice(NULL, dev, NULL). Instead, we have to forcibly set master
+ * to NULL and pretend nothing happened.
+ */
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (!IsMaster(dev) && dev->u.master)
+ dev->u.master = NULL;
+ }
+
+ CloseDeviceList(&inputInfo.devices);
+ CloseDeviceList(&inputInfo.off_devices);
+
+ CloseDevice(inputInfo.pointer);
+ CloseDevice(inputInfo.keyboard);
+
+ inputInfo.devices = NULL;
+ inputInfo.off_devices = NULL;
+ inputInfo.keyboard = NULL;
+ inputInfo.pointer = NULL;
+ XkbDeleteRulesDflts();
+}
+
+/**
+ * Remove the cursor sprite for all devices. This needs to be done before any
+ * resources are freed or any device is deleted.
+ */
+void
+UndisplayDevices(void)
+{
+ DeviceIntPtr dev;
+ ScreenPtr screen = screenInfo.screens[0];
+
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ screen->DisplayCursor(dev, screen, NullCursor);
+}
+
+/**
+ * Remove a device from the device list, closes it and thus frees all
+ * resources.
+ * Removes both enabled and disabled devices and notifies all devices about
+ * the removal of the device.
+ *
+ * No PresenceNotify is sent for device that the client never saw. This can
+ * happen if a malloc fails during the addition of master devices. If
+ * dev->init is FALSE it means the client never received a DeviceAdded event,
+ * so let's not send a DeviceRemoved event either.
+ *
+ * @param sendevent True if an XI2 event should be sent.
+ */
+int
+RemoveDevice(DeviceIntPtr dev, BOOL sendevent)
+{
+ DeviceIntPtr prev,tmp,next;
+ int ret = BadMatch;
+ ScreenPtr screen = screenInfo.screens[0];
+ int deviceid;
+ int initialized;
+ int flags[MAXDEVICES] = {0};
+
+ DebugF("(dix) removing device %d\n", dev->id);
+
+ if (!dev || dev == inputInfo.keyboard || dev == inputInfo.pointer)
+ return BadImplementation;
+
+ initialized = dev->inited;
+ deviceid = dev->id;
+
+ if (initialized)
+ {
+ if (DevHasCursor(dev))
+ screen->DisplayCursor(dev, screen, NullCursor);
+
+ DisableDevice(dev, sendevent);
+ flags[dev->id] = XIDeviceDisabled;
+ }
+
+ prev = NULL;
+ for (tmp = inputInfo.devices; tmp; (prev = tmp), (tmp = next)) {
+ next = tmp->next;
+ if (tmp == dev) {
+
+ if (prev==NULL)
+ inputInfo.devices = next;
+ else
+ prev->next = next;
+
+ flags[tmp->id] = IsMaster(tmp) ? XIMasterRemoved : XISlaveRemoved;
+ CloseDevice(tmp);
+ ret = Success;
+ }
+ }
+
+ prev = NULL;
+ for (tmp = inputInfo.off_devices; tmp; (prev = tmp), (tmp = next)) {
+ next = tmp->next;
+ if (tmp == dev) {
+ flags[tmp->id] = IsMaster(tmp) ? XIMasterRemoved : XISlaveRemoved;
+ CloseDevice(tmp);
+
+ if (prev == NULL)
+ inputInfo.off_devices = next;
+ else
+ prev->next = next;
+
+ ret = Success;
+ }
+ }
+
+ if (ret == Success && initialized) {
+ inputInfo.numDevices--;
+ SendDevicePresenceEvent(deviceid, DeviceRemoved);
+ if (sendevent)
+ XISendDeviceHierarchyEvent(flags);
+ }
+
+ return ret;
+}
+
+int
+NumMotionEvents(void)
+{
+ /* only called to fill data in initial connection reply.
+ * VCP is ok here, it is the only fixed device we have. */
+ return inputInfo.pointer->valuator->numMotionEvents;
+}
+
+void
+RegisterPointerDevice(DeviceIntPtr device)
+{
+ RegisterOtherDevice(device);
+}
+
+void
+RegisterKeyboardDevice(DeviceIntPtr device)
+{
+ RegisterOtherDevice(device);
+}
+
+int
+dixLookupDevice(DeviceIntPtr *pDev, int id, ClientPtr client, Mask access_mode)
+{
+ DeviceIntPtr dev;
+ int rc;
+ *pDev = NULL;
+
+ for (dev=inputInfo.devices; dev; dev=dev->next) {
+ if (dev->id == id)
+ goto found;
+ }
+ for (dev=inputInfo.off_devices; dev; dev=dev->next) {
+ if (dev->id == id)
+ goto found;
+ }
+ return BadDevice;
+
+found:
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode);
+ if (rc == Success)
+ *pDev = dev;
+ return rc;
+}
+
+void
+QueryMinMaxKeyCodes(KeyCode *minCode, KeyCode *maxCode)
+{
+ if (inputInfo.keyboard) {
+ *minCode = inputInfo.keyboard->key->xkbInfo->desc->min_key_code;
+ *maxCode = inputInfo.keyboard->key->xkbInfo->desc->max_key_code;
+ }
+}
+
+/* Notably, this function does not expand the destination's keycode range, or
+ * notify clients. */
+Bool
+SetKeySymsMap(KeySymsPtr dst, KeySymsPtr src)
+{
+ int i, j;
+ KeySym *tmp;
+ int rowDif = src->minKeyCode - dst->minKeyCode;
+
+ /* if keysym map size changes, grow map first */
+ if (src->mapWidth < dst->mapWidth) {
+ for (i = src->minKeyCode; i <= src->maxKeyCode; i++) {
+#define SI(r, c) (((r - src->minKeyCode) * src->mapWidth) + (c))
+#define DI(r, c) (((r - dst->minKeyCode) * dst->mapWidth) + (c))
+ for (j = 0; j < src->mapWidth; j++)
+ dst->map[DI(i, j)] = src->map[SI(i, j)];
+ for (j = src->mapWidth; j < dst->mapWidth; j++)
+ dst->map[DI(i, j)] = NoSymbol;
+#undef SI
+#undef DI
+ }
+ return TRUE;
+ }
+ else if (src->mapWidth > dst->mapWidth) {
+ i = sizeof(KeySym) * src->mapWidth *
+ (dst->maxKeyCode - dst->minKeyCode + 1);
+ tmp = calloc(sizeof(KeySym), i);
+ if (!tmp)
+ return FALSE;
+
+ if (dst->map) {
+ for (i = 0; i <= dst->maxKeyCode-dst->minKeyCode; i++)
+ memmove(&tmp[i * src->mapWidth], &dst->map[i * dst->mapWidth],
+ dst->mapWidth * sizeof(KeySym));
+ free(dst->map);
+ }
+ dst->mapWidth = src->mapWidth;
+ dst->map = tmp;
+ }
+ else if (!dst->map) {
+ i = sizeof(KeySym) * src->mapWidth *
+ (dst->maxKeyCode - dst->minKeyCode + 1);
+ tmp = calloc(sizeof(KeySym), i);
+ if (!tmp)
+ return FALSE;
+
+ dst->map = tmp;
+ dst->mapWidth = src->mapWidth;
+ }
+
+ memmove(&dst->map[rowDif * dst->mapWidth], src->map,
+ (src->maxKeyCode - src->minKeyCode + 1) *
+ dst->mapWidth * sizeof(KeySym));
+
+ return TRUE;
+}
+
+Bool
+InitButtonClassDeviceStruct(DeviceIntPtr dev, int numButtons, Atom* labels,
+ CARD8 *map)
+{
+ ButtonClassPtr butc;
+ int i;
+
+ butc = calloc(1, sizeof(ButtonClassRec));
+ if (!butc)
+ return FALSE;
+ butc->numButtons = numButtons;
+ butc->sourceid = dev->id;
+ for (i = 1; i <= numButtons; i++)
+ butc->map[i] = map[i];
+ for (i = numButtons + 1; i < MAP_LENGTH; i++)
+ butc->map[i] = i;
+ memcpy(butc->labels, labels, numButtons * sizeof(Atom));
+ dev->button = butc;
+ return TRUE;
+}
+
+Bool
+InitValuatorClassDeviceStruct(DeviceIntPtr dev, int numAxes, Atom *labels,
+ int numMotionEvents, int mode)
+{
+ int i;
+ ValuatorClassPtr valc;
+
+ if (!dev)
+ return FALSE;
+
+ if (numAxes >= MAX_VALUATORS)
+ {
+ LogMessage(X_WARNING,
+ "Device '%s' has %d axes, only using first %d.\n",
+ dev->name, numAxes, MAX_VALUATORS);
+ numAxes = MAX_VALUATORS;
+ }
+
+ valc = (ValuatorClassPtr)calloc(1, sizeof(ValuatorClassRec) +
+ numAxes * sizeof(AxisInfo) +
+ numAxes * sizeof(double));
+ if (!valc)
+ return FALSE;
+
+ valc->sourceid = dev->id;
+ valc->motion = NULL;
+ valc->first_motion = 0;
+ valc->last_motion = 0;
+
+ valc->numMotionEvents = numMotionEvents;
+ valc->motionHintWindow = NullWindow;
+ valc->numAxes = numAxes;
+ valc->mode = mode;
+ valc->axes = (AxisInfoPtr)(valc + 1);
+ valc->axisVal = (double *)(valc->axes + numAxes);
+ dev->valuator = valc;
+
+ AllocateMotionHistory(dev);
+
+ for (i=0; i<numAxes; i++) {
+ InitValuatorAxisStruct(dev, i, labels[i], NO_AXIS_LIMITS, NO_AXIS_LIMITS,
+ 0, 0, 0);
+ valc->axisVal[i]=0;
+ }
+
+ dev->last.numValuators = numAxes;
+
+ if (IsMaster(dev) || /* do not accelerate master or xtest devices */
+ IsXTestDevice(dev, NULL))
+ InitPointerAccelerationScheme(dev, PtrAccelNoOp);
+ else
+ InitPointerAccelerationScheme(dev, PtrAccelDefault);
+ return TRUE;
+}
+
+/* global list of acceleration schemes */
+ValuatorAccelerationRec pointerAccelerationScheme[] = {
+ {PtrAccelNoOp, NULL, NULL, NULL},
+ {PtrAccelPredictable, acceleratePointerPredictable, NULL, AccelerationDefaultCleanup},
+ {PtrAccelLightweight, acceleratePointerLightweight, NULL, NULL},
+ {-1, NULL, NULL, NULL} /* terminator */
+};
+
+/**
+ * install an acceleration scheme. returns TRUE on success, and should not
+ * change anything if unsuccessful.
+ */
+Bool
+InitPointerAccelerationScheme(DeviceIntPtr dev,
+ int scheme)
+{
+ int x, i = -1;
+ void* data = NULL;
+ ValuatorClassPtr val;
+
+ val = dev->valuator;
+
+ if(!val)
+ return FALSE;
+
+ if(IsMaster(dev) && scheme != PtrAccelNoOp)
+ return FALSE;
+
+ for(x = 0; pointerAccelerationScheme[x].number >= 0; x++) {
+ if(pointerAccelerationScheme[x].number == scheme){
+ i = x;
+ break;
+ }
+ }
+
+ if(-1 == i)
+ return FALSE;
+
+ if (val->accelScheme.AccelCleanupProc)
+ val->accelScheme.AccelCleanupProc(dev);
+
+ /* init scheme-specific data */
+ switch(scheme){
+ case PtrAccelPredictable:
+ {
+ DeviceVelocityPtr s;
+ s = malloc(sizeof(DeviceVelocityRec));
+ if(!s)
+ return FALSE;
+ InitVelocityData(s);
+ data = s;
+ break;
+ }
+ default:
+ break;
+ }
+
+ val->accelScheme = pointerAccelerationScheme[i];
+ val->accelScheme.accelData = data;
+
+ /* post-init scheme */
+ switch(scheme){
+ case PtrAccelPredictable:
+ InitializePredictableAccelerationProperties(dev);
+ break;
+
+ default:
+ break;
+ }
+
+ return TRUE;
+}
+
+Bool
+InitAbsoluteClassDeviceStruct(DeviceIntPtr dev)
+{
+ AbsoluteClassPtr abs;
+
+ abs = malloc(sizeof(AbsoluteClassRec));
+ if (!abs)
+ return FALSE;
+
+ /* we don't do anything sensible with these, but should */
+ abs->min_x = NO_AXIS_LIMITS;
+ abs->min_y = NO_AXIS_LIMITS;
+ abs->max_x = NO_AXIS_LIMITS;
+ abs->max_y = NO_AXIS_LIMITS;
+ abs->flip_x = 0;
+ abs->flip_y = 0;
+ abs->rotation = 0;
+ abs->button_threshold = 0;
+
+ abs->offset_x = 0;
+ abs->offset_y = 0;
+ abs->width = NO_AXIS_LIMITS;
+ abs->height = NO_AXIS_LIMITS;
+ abs->following = 0;
+ abs->screen = 0;
+
+ abs->sourceid = dev->id;
+
+ dev->absolute = abs;
+
+ return TRUE;
+}
+
+Bool
+InitFocusClassDeviceStruct(DeviceIntPtr dev)
+{
+ FocusClassPtr focc;
+
+ focc = malloc(sizeof(FocusClassRec));
+ if (!focc)
+ return FALSE;
+ focc->win = PointerRootWin;
+ focc->revert = None;
+ focc->time = currentTime;
+ focc->trace = (WindowPtr *)NULL;
+ focc->traceSize = 0;
+ focc->traceGood = 0;
+ focc->sourceid = dev->id;
+ dev->focus = focc;
+ return TRUE;
+}
+
+Bool
+InitPtrFeedbackClassDeviceStruct(DeviceIntPtr dev, PtrCtrlProcPtr controlProc)
+{
+ PtrFeedbackPtr feedc;
+
+ feedc = malloc(sizeof(PtrFeedbackClassRec));
+ if (!feedc)
+ return FALSE;
+ feedc->CtrlProc = controlProc;
+ feedc->ctrl = defaultPointerControl;
+ feedc->ctrl.id = 0;
+ if ( (feedc->next = dev->ptrfeed) )
+ feedc->ctrl.id = dev->ptrfeed->ctrl.id + 1;
+ dev->ptrfeed = feedc;
+ (*controlProc)(dev, &feedc->ctrl);
+ return TRUE;
+}
+
+
+static LedCtrl defaultLedControl = {
+ DEFAULT_LEDS, DEFAULT_LEDS_MASK, 0};
+
+static BellCtrl defaultBellControl = {
+ DEFAULT_BELL,
+ DEFAULT_BELL_PITCH,
+ DEFAULT_BELL_DURATION,
+ 0};
+
+static IntegerCtrl defaultIntegerControl = {
+ DEFAULT_INT_RESOLUTION,
+ DEFAULT_INT_MIN_VALUE,
+ DEFAULT_INT_MAX_VALUE,
+ DEFAULT_INT_DISPLAYED,
+ 0};
+
+Bool
+InitStringFeedbackClassDeviceStruct (
+ DeviceIntPtr dev, StringCtrlProcPtr controlProc,
+ int max_symbols, int num_symbols_supported, KeySym *symbols)
+{
+ int i;
+ StringFeedbackPtr feedc;
+
+ feedc = malloc(sizeof(StringFeedbackClassRec));
+ if (!feedc)
+ return FALSE;
+ feedc->CtrlProc = controlProc;
+ feedc->ctrl.num_symbols_supported = num_symbols_supported;
+ feedc->ctrl.num_symbols_displayed = 0;
+ feedc->ctrl.max_symbols = max_symbols;
+ feedc->ctrl.symbols_supported = malloc(sizeof (KeySym) * num_symbols_supported);
+ feedc->ctrl.symbols_displayed = malloc(sizeof (KeySym) * max_symbols);
+ if (!feedc->ctrl.symbols_supported || !feedc->ctrl.symbols_displayed)
+ {
+ if (feedc->ctrl.symbols_supported)
+ free(feedc->ctrl.symbols_supported);
+ if (feedc->ctrl.symbols_displayed)
+ free(feedc->ctrl.symbols_displayed);
+ free(feedc);
+ return FALSE;
+ }
+ for (i=0; i<num_symbols_supported; i++)
+ *(feedc->ctrl.symbols_supported+i) = *symbols++;
+ for (i=0; i<max_symbols; i++)
+ *(feedc->ctrl.symbols_displayed+i) = (KeySym) 0;
+ feedc->ctrl.id = 0;
+ if ( (feedc->next = dev->stringfeed) )
+ feedc->ctrl.id = dev->stringfeed->ctrl.id + 1;
+ dev->stringfeed = feedc;
+ (*controlProc)(dev, &feedc->ctrl);
+ return TRUE;
+}
+
+Bool
+InitBellFeedbackClassDeviceStruct (DeviceIntPtr dev, BellProcPtr bellProc,
+ BellCtrlProcPtr controlProc)
+{
+ BellFeedbackPtr feedc;
+
+ feedc = malloc(sizeof(BellFeedbackClassRec));
+ if (!feedc)
+ return FALSE;
+ feedc->CtrlProc = controlProc;
+ feedc->BellProc = bellProc;
+ feedc->ctrl = defaultBellControl;
+ feedc->ctrl.id = 0;
+ if ( (feedc->next = dev->bell) )
+ feedc->ctrl.id = dev->bell->ctrl.id + 1;
+ dev->bell = feedc;
+ (*controlProc)(dev, &feedc->ctrl);
+ return TRUE;
+}
+
+Bool
+InitLedFeedbackClassDeviceStruct (DeviceIntPtr dev, LedCtrlProcPtr controlProc)
+{
+ LedFeedbackPtr feedc;
+
+ feedc = malloc(sizeof(LedFeedbackClassRec));
+ if (!feedc)
+ return FALSE;
+ feedc->CtrlProc = controlProc;
+ feedc->ctrl = defaultLedControl;
+ feedc->ctrl.id = 0;
+ if ( (feedc->next = dev->leds) )
+ feedc->ctrl.id = dev->leds->ctrl.id + 1;
+ feedc->xkb_sli= NULL;
+ dev->leds = feedc;
+ (*controlProc)(dev, &feedc->ctrl);
+ return TRUE;
+}
+
+Bool
+InitIntegerFeedbackClassDeviceStruct (DeviceIntPtr dev, IntegerCtrlProcPtr controlProc)
+{
+ IntegerFeedbackPtr feedc;
+
+ feedc = malloc(sizeof(IntegerFeedbackClassRec));
+ if (!feedc)
+ return FALSE;
+ feedc->CtrlProc = controlProc;
+ feedc->ctrl = defaultIntegerControl;
+ feedc->ctrl.id = 0;
+ if ( (feedc->next = dev->intfeed) )
+ feedc->ctrl.id = dev->intfeed->ctrl.id + 1;
+ dev->intfeed = feedc;
+ (*controlProc)(dev, &feedc->ctrl);
+ return TRUE;
+}
+
+Bool
+InitPointerDeviceStruct(DevicePtr device, CARD8 *map, int numButtons, Atom* btn_labels,
+ PtrCtrlProcPtr controlProc, int numMotionEvents,
+ int numAxes, Atom *axes_labels)
+{
+ DeviceIntPtr dev = (DeviceIntPtr)device;
+
+ return(InitButtonClassDeviceStruct(dev, numButtons, btn_labels, map) &&
+ InitValuatorClassDeviceStruct(dev, numAxes, axes_labels,
+ numMotionEvents, 0) &&
+ InitPtrFeedbackClassDeviceStruct(dev, controlProc));
+}
+
+/*
+ * Check if the given buffer contains elements between low (inclusive) and
+ * high (inclusive) only.
+ *
+ * @return TRUE if the device map is invalid, FALSE otherwise.
+ */
+Bool
+BadDeviceMap(BYTE *buff, int length, unsigned low, unsigned high, XID *errval)
+{
+ int i;
+
+ for (i = 0; i < length; i++)
+ if (buff[i]) /* only check non-zero elements */
+ {
+ if ((low > buff[i]) || (high < buff[i]))
+ {
+ *errval = buff[i];
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+int
+ProcSetModifierMapping(ClientPtr client)
+{
+ xSetModifierMappingReply rep;
+ int rc;
+ REQUEST(xSetModifierMappingReq);
+ REQUEST_AT_LEAST_SIZE(xSetModifierMappingReq);
+
+ if (client->req_len != ((stuff->numKeyPerModifier << 1) +
+ bytes_to_int32(sizeof(xSetModifierMappingReq))))
+ return BadLength;
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ rc = change_modmap(client, PickKeyboard(client), (KeyCode *)&stuff[1],
+ stuff->numKeyPerModifier);
+ if (rc == MappingFailed || rc == -1)
+ return BadValue;
+ if (rc != Success && rc != MappingSuccess && rc != MappingFailed &&
+ rc != MappingBusy)
+ return rc;
+
+ rep.success = rc;
+
+ WriteReplyToClient(client, sizeof(xSetModifierMappingReply), &rep);
+ return Success;
+}
+
+int
+ProcGetModifierMapping(ClientPtr client)
+{
+ xGetModifierMappingReply rep;
+ int max_keys_per_mod = 0;
+ KeyCode *modkeymap = NULL;
+ REQUEST_SIZE_MATCH(xReq);
+
+ generate_modkeymap(client, PickKeyboard(client), &modkeymap,
+ &max_keys_per_mod);
+
+ memset(&rep, 0, sizeof(xGetModifierMappingReply));
+ rep.type = X_Reply;
+ rep.numKeyPerModifier = max_keys_per_mod;
+ rep.sequenceNumber = client->sequence;
+ /* length counts 4 byte quantities - there are 8 modifiers 1 byte big */
+ rep.length = max_keys_per_mod << 1;
+
+ WriteReplyToClient(client, sizeof(xGetModifierMappingReply), &rep);
+ (void)WriteToClient(client, max_keys_per_mod * 8, (char *) modkeymap);
+
+ free(modkeymap);
+
+ return Success;
+}
+
+int
+ProcChangeKeyboardMapping(ClientPtr client)
+{
+ REQUEST(xChangeKeyboardMappingReq);
+ unsigned len;
+ KeySymsRec keysyms;
+ DeviceIntPtr pDev, tmp;
+ int rc;
+ REQUEST_AT_LEAST_SIZE(xChangeKeyboardMappingReq);
+
+ len = client->req_len - bytes_to_int32(sizeof(xChangeKeyboardMappingReq));
+ if (len != (stuff->keyCodes * stuff->keySymsPerKeyCode))
+ return BadLength;
+
+ pDev = PickKeyboard(client);
+
+ if ((stuff->firstKeyCode < pDev->key->xkbInfo->desc->min_key_code) ||
+ (stuff->firstKeyCode > pDev->key->xkbInfo->desc->max_key_code)) {
+ client->errorValue = stuff->firstKeyCode;
+ return BadValue;
+
+ }
+ if (((unsigned)(stuff->firstKeyCode + stuff->keyCodes - 1) >
+ pDev->key->xkbInfo->desc->max_key_code) ||
+ (stuff->keySymsPerKeyCode == 0)) {
+ client->errorValue = stuff->keySymsPerKeyCode;
+ return BadValue;
+ }
+
+ keysyms.minKeyCode = stuff->firstKeyCode;
+ keysyms.maxKeyCode = stuff->firstKeyCode + stuff->keyCodes - 1;
+ keysyms.mapWidth = stuff->keySymsPerKeyCode;
+ keysyms.map = (KeySym *) &stuff[1];
+
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess);
+ if (rc != Success)
+ return rc;
+
+ XkbApplyMappingChange(pDev, &keysyms, stuff->firstKeyCode,
+ stuff->keyCodes, NULL, client);
+
+ for (tmp = inputInfo.devices; tmp; tmp = tmp->next) {
+ if (IsMaster(tmp) || tmp->u.master != pDev)
+ continue;
+ if (!tmp->key)
+ continue;
+
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess);
+ if (rc != Success)
+ continue;
+
+ XkbApplyMappingChange(tmp, &keysyms, stuff->firstKeyCode,
+ stuff->keyCodes, NULL, client);
+ }
+
+ return Success;
+}
+
+int
+ProcSetPointerMapping(ClientPtr client)
+{
+ BYTE *map;
+ int ret;
+ int i, j;
+ DeviceIntPtr ptr = PickPointer(client);
+ xSetPointerMappingReply rep;
+ REQUEST(xSetPointerMappingReq);
+ REQUEST_AT_LEAST_SIZE(xSetPointerMappingReq);
+
+ if (client->req_len !=
+ bytes_to_int32(sizeof(xSetPointerMappingReq) + stuff->nElts))
+ return BadLength;
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.success = MappingSuccess;
+ map = (BYTE *)&stuff[1];
+
+ /* So we're bounded here by the number of core buttons. This check
+ * probably wants disabling through XFixes. */
+ /* MPX: With ClientPointer, we can return the right number of buttons.
+ * Let's just hope nobody changed ClientPointer between GetPointerMapping
+ * and SetPointerMapping
+ */
+ if (stuff->nElts != ptr->button->numButtons) {
+ client->errorValue = stuff->nElts;
+ return BadValue;
+ }
+
+ /* Core protocol specs don't allow for duplicate mappings; this check
+ * almost certainly wants disabling through XFixes too. */
+ for (i = 0; i < stuff->nElts; i++) {
+ for (j = i + 1; j < stuff->nElts; j++) {
+ if (map[i] && map[i] == map[j]) {
+ client->errorValue = map[i];
+ return BadValue;
+ }
+ }
+ }
+
+ ret = ApplyPointerMapping(ptr, map, stuff->nElts, client);
+ if (ret == MappingBusy)
+ rep.success = ret;
+ else if (ret == -1)
+ return BadValue;
+ else if (ret != Success)
+ return ret;
+
+ WriteReplyToClient(client, sizeof(xSetPointerMappingReply), &rep);
+ return Success;
+}
+
+int
+ProcGetKeyboardMapping(ClientPtr client)
+{
+ xGetKeyboardMappingReply rep;
+ DeviceIntPtr kbd = PickKeyboard(client);
+ XkbDescPtr xkb;
+ KeySymsPtr syms;
+ int rc;
+ REQUEST(xGetKeyboardMappingReq);
+ REQUEST_SIZE_MATCH(xGetKeyboardMappingReq);
+
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, kbd, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ xkb = kbd->key->xkbInfo->desc;
+
+ if ((stuff->firstKeyCode < xkb->min_key_code) ||
+ (stuff->firstKeyCode > xkb->max_key_code)) {
+ client->errorValue = stuff->firstKeyCode;
+ return BadValue;
+ }
+ if (stuff->firstKeyCode + stuff->count > xkb->max_key_code + 1) {
+ client->errorValue = stuff->count;
+ return BadValue;
+ }
+
+ syms = XkbGetCoreMap(kbd);
+ if (!syms)
+ return BadAlloc;
+
+ memset(&rep, 0, sizeof(xGetKeyboardMappingReply));
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.keySymsPerKeyCode = syms->mapWidth;
+ /* length is a count of 4 byte quantities and KeySyms are 4 bytes */
+ rep.length = syms->mapWidth * stuff->count;
+ WriteReplyToClient(client, sizeof(xGetKeyboardMappingReply), &rep);
+ client->pSwapReplyFunc = (ReplySwapPtr) CopySwap32Write;
+ WriteSwappedDataToClient(client,
+ syms->mapWidth * stuff->count * sizeof(KeySym),
+ &syms->map[syms->mapWidth * (stuff->firstKeyCode -
+ syms->minKeyCode)]);
+ free(syms->map);
+ free(syms);
+
+ return Success;
+}
+
+int
+ProcGetPointerMapping(ClientPtr client)
+{
+ xGetPointerMappingReply rep;
+ /* Apps may get different values each time they call GetPointerMapping as
+ * the ClientPointer could change. */
+ DeviceIntPtr ptr = PickPointer(client);
+ ButtonClassPtr butc = ptr->button;
+ int rc;
+ REQUEST_SIZE_MATCH(xReq);
+
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, ptr, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.nElts = (butc) ? butc->numButtons : 0;
+ rep.length = ((unsigned)rep.nElts + (4-1))/4;
+ WriteReplyToClient(client, sizeof(xGetPointerMappingReply), &rep);
+ if (butc)
+ WriteToClient(client, (int)rep.nElts, (char *)&butc->map[1]);
+ return Success;
+}
+
+void
+NoteLedState(DeviceIntPtr keybd, int led, Bool on)
+{
+ KeybdCtrl *ctrl = &keybd->kbdfeed->ctrl;
+ if (on)
+ ctrl->leds |= ((Leds)1 << (led - 1));
+ else
+ ctrl->leds &= ~((Leds)1 << (led - 1));
+}
+
+int
+Ones(unsigned long mask) /* HACKMEM 169 */
+{
+ unsigned long y;
+
+ y = (mask >> 1) &033333333333;
+ y = mask - y - ((y >>1) & 033333333333);
+ return (((y + (y >> 3)) & 030707070707) % 077);
+}
+
+static int
+DoChangeKeyboardControl (ClientPtr client, DeviceIntPtr keybd, XID *vlist,
+ BITS32 vmask)
+{
+#define DO_ALL (-1)
+ KeybdCtrl ctrl;
+ int t;
+ int led = DO_ALL;
+ int key = DO_ALL;
+ BITS32 index2;
+ int mask = vmask, i;
+ XkbEventCauseRec cause;
+
+ ctrl = keybd->kbdfeed->ctrl;
+ while (vmask) {
+ index2 = (BITS32) lowbit (vmask);
+ vmask &= ~index2;
+ switch (index2) {
+ case KBKeyClickPercent:
+ t = (INT8)*vlist;
+ vlist++;
+ if (t == -1) {
+ t = defaultKeyboardControl.click;
+ }
+ else if (t < 0 || t > 100) {
+ client->errorValue = t;
+ return BadValue;
+ }
+ ctrl.click = t;
+ break;
+ case KBBellPercent:
+ t = (INT8)*vlist;
+ vlist++;
+ if (t == -1) {
+ t = defaultKeyboardControl.bell;
+ }
+ else if (t < 0 || t > 100) {
+ client->errorValue = t;
+ return BadValue;
+ }
+ ctrl.bell = t;
+ break;
+ case KBBellPitch:
+ t = (INT16)*vlist;
+ vlist++;
+ if (t == -1) {
+ t = defaultKeyboardControl.bell_pitch;
+ }
+ else if (t < 0) {
+ client->errorValue = t;
+ return BadValue;
+ }
+ ctrl.bell_pitch = t;
+ break;
+ case KBBellDuration:
+ t = (INT16)*vlist;
+ vlist++;
+ if (t == -1)
+ t = defaultKeyboardControl.bell_duration;
+ else if (t < 0) {
+ client->errorValue = t;
+ return BadValue;
+ }
+ ctrl.bell_duration = t;
+ break;
+ case KBLed:
+ led = (CARD8)*vlist;
+ vlist++;
+ if (led < 1 || led > 32) {
+ client->errorValue = led;
+ return BadValue;
+ }
+ if (!(mask & KBLedMode))
+ return BadMatch;
+ break;
+ case KBLedMode:
+ t = (CARD8)*vlist;
+ vlist++;
+ if (t == LedModeOff) {
+ if (led == DO_ALL)
+ ctrl.leds = 0x0;
+ else
+ ctrl.leds &= ~(((Leds)(1)) << (led - 1));
+ }
+ else if (t == LedModeOn) {
+ if (led == DO_ALL)
+ ctrl.leds = ~0L;
+ else
+ ctrl.leds |= (((Leds)(1)) << (led - 1));
+ }
+ else {
+ client->errorValue = t;
+ return BadValue;
+ }
+
+ XkbSetCauseCoreReq(&cause,X_ChangeKeyboardControl,client);
+ XkbSetIndicators(keybd,((led == DO_ALL) ? ~0L : (1L<<(led-1))),
+ ctrl.leds, &cause);
+ ctrl.leds = keybd->kbdfeed->ctrl.leds;
+
+ break;
+ case KBKey:
+ key = (KeyCode)*vlist;
+ vlist++;
+ if ((KeyCode)key < keybd->key->xkbInfo->desc->min_key_code ||
+ (KeyCode)key > keybd->key->xkbInfo->desc->max_key_code) {
+ client->errorValue = key;
+ return BadValue;
+ }
+ if (!(mask & KBAutoRepeatMode))
+ return BadMatch;
+ break;
+ case KBAutoRepeatMode:
+ i = (key >> 3);
+ mask = (1 << (key & 7));
+ t = (CARD8)*vlist;
+ vlist++;
+ if (key != DO_ALL)
+ XkbDisableComputedAutoRepeats(keybd,key);
+ if (t == AutoRepeatModeOff) {
+ if (key == DO_ALL)
+ ctrl.autoRepeat = FALSE;
+ else
+ ctrl.autoRepeats[i] &= ~mask;
+ }
+ else if (t == AutoRepeatModeOn) {
+ if (key == DO_ALL)
+ ctrl.autoRepeat = TRUE;
+ else
+ ctrl.autoRepeats[i] |= mask;
+ }
+ else if (t == AutoRepeatModeDefault) {
+ if (key == DO_ALL)
+ ctrl.autoRepeat = defaultKeyboardControl.autoRepeat;
+ else
+ ctrl.autoRepeats[i] =
+ (ctrl.autoRepeats[i] & ~mask) |
+ (defaultKeyboardControl.autoRepeats[i] & mask);
+ }
+ else {
+ client->errorValue = t;
+ return BadValue;
+ }
+ break;
+ default:
+ client->errorValue = mask;
+ return BadValue;
+ }
+ }
+ keybd->kbdfeed->ctrl = ctrl;
+
+ /* The XKB RepeatKeys control and core protocol global autorepeat */
+ /* value are linked */
+ XkbSetRepeatKeys(keybd, key, keybd->kbdfeed->ctrl.autoRepeat);
+
+ return Success;
+
+#undef DO_ALL
+}
+
+/**
+ * Changes kbd control on the ClientPointer and all attached SDs.
+ */
+int
+ProcChangeKeyboardControl (ClientPtr client)
+{
+ XID *vlist;
+ BITS32 vmask;
+ int ret = Success, error = Success;
+ DeviceIntPtr pDev = NULL, keyboard;
+ REQUEST(xChangeKeyboardControlReq);
+
+ REQUEST_AT_LEAST_SIZE(xChangeKeyboardControlReq);
+
+ vmask = stuff->mask;
+ vlist = (XID *)&stuff[1];
+
+ if (client->req_len != (sizeof(xChangeKeyboardControlReq)>>2)+Ones(vmask))
+ return BadLength;
+
+ keyboard = PickKeyboard(client);
+
+ for (pDev = inputInfo.devices; pDev; pDev = pDev->next) {
+ if ((pDev == keyboard || (!IsMaster(keyboard) && pDev->u.master == keyboard)) &&
+ pDev->kbdfeed && pDev->kbdfeed->CtrlProc) {
+ ret = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess);
+ if (ret != Success)
+ return ret;
+ }
+ }
+
+ for (pDev = inputInfo.devices; pDev; pDev = pDev->next) {
+ if ((pDev == keyboard || (!IsMaster(keyboard) && pDev->u.master == keyboard)) &&
+ pDev->kbdfeed && pDev->kbdfeed->CtrlProc) {
+ ret = DoChangeKeyboardControl(client, pDev, vlist, vmask);
+ if (ret != Success)
+ error = ret;
+ }
+ }
+
+ return error;
+}
+
+int
+ProcGetKeyboardControl (ClientPtr client)
+{
+ int rc, i;
+ DeviceIntPtr kbd = PickKeyboard(client);
+ KeybdCtrl *ctrl = &kbd->kbdfeed->ctrl;
+ xGetKeyboardControlReply rep;
+ REQUEST_SIZE_MATCH(xReq);
+
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, kbd, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ rep.type = X_Reply;
+ rep.length = 5;
+ rep.sequenceNumber = client->sequence;
+ rep.globalAutoRepeat = ctrl->autoRepeat;
+ rep.keyClickPercent = ctrl->click;
+ rep.bellPercent = ctrl->bell;
+ rep.bellPitch = ctrl->bell_pitch;
+ rep.bellDuration = ctrl->bell_duration;
+ rep.ledMask = ctrl->leds;
+ for (i = 0; i < 32; i++)
+ rep.map[i] = ctrl->autoRepeats[i];
+ WriteReplyToClient(client, sizeof(xGetKeyboardControlReply), &rep);
+ return Success;
+}
+
+int
+ProcBell(ClientPtr client)
+{
+ DeviceIntPtr dev, keybd = PickKeyboard(client);
+ int base = keybd->kbdfeed->ctrl.bell;
+ int newpercent;
+ int rc;
+ REQUEST(xBellReq);
+ REQUEST_SIZE_MATCH(xBellReq);
+
+ if (stuff->percent < -100 || stuff->percent > 100) {
+ client->errorValue = stuff->percent;
+ return BadValue;
+ }
+
+ newpercent = (base * stuff->percent) / 100;
+ if (stuff->percent < 0)
+ newpercent = base + newpercent;
+ else
+ newpercent = base - newpercent + stuff->percent;
+
+ for (dev = inputInfo.devices; dev; dev = dev->next) {
+ if ((dev == keybd || (!IsMaster(dev) && dev->u.master == keybd)) &&
+ dev->kbdfeed && dev->kbdfeed->BellProc) {
+
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixBellAccess);
+ if (rc != Success)
+ return rc;
+ XkbHandleBell(FALSE, FALSE, dev, newpercent,
+ &dev->kbdfeed->ctrl, 0, None, NULL, client);
+ }
+ }
+
+ return Success;
+}
+
+int
+ProcChangePointerControl(ClientPtr client)
+{
+ DeviceIntPtr dev, mouse = PickPointer(client);
+ PtrCtrl ctrl; /* might get BadValue part way through */
+ int rc;
+ REQUEST(xChangePointerControlReq);
+ REQUEST_SIZE_MATCH(xChangePointerControlReq);
+
+ if (!mouse->ptrfeed->CtrlProc)
+ return BadDevice;
+
+ ctrl = mouse->ptrfeed->ctrl;
+ if ((stuff->doAccel != xTrue) && (stuff->doAccel != xFalse)) {
+ client->errorValue = stuff->doAccel;
+ return(BadValue);
+ }
+ if ((stuff->doThresh != xTrue) && (stuff->doThresh != xFalse)) {
+ client->errorValue = stuff->doThresh;
+ return(BadValue);
+ }
+ if (stuff->doAccel) {
+ if (stuff->accelNum == -1) {
+ ctrl.num = defaultPointerControl.num;
+ }
+ else if (stuff->accelNum < 0) {
+ client->errorValue = stuff->accelNum;
+ return BadValue;
+ }
+ else {
+ ctrl.num = stuff->accelNum;
+ }
+
+ if (stuff->accelDenum == -1) {
+ ctrl.den = defaultPointerControl.den;
+ }
+ else if (stuff->accelDenum <= 0) {
+ client->errorValue = stuff->accelDenum;
+ return BadValue;
+ }
+ else {
+ ctrl.den = stuff->accelDenum;
+ }
+ }
+ if (stuff->doThresh) {
+ if (stuff->threshold == -1) {
+ ctrl.threshold = defaultPointerControl.threshold;
+ }
+ else if (stuff->threshold < 0) {
+ client->errorValue = stuff->threshold;
+ return BadValue;
+ }
+ else {
+ ctrl.threshold = stuff->threshold;
+ }
+ }
+
+ for (dev = inputInfo.devices; dev; dev = dev->next) {
+ if ((dev == mouse || (!IsMaster(dev) && dev->u.master == mouse)) &&
+ dev->ptrfeed && dev->ptrfeed->CtrlProc) {
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixManageAccess);
+ if (rc != Success)
+ return rc;
+ }
+ }
+
+ for (dev = inputInfo.devices; dev; dev = dev->next) {
+ if ((dev == mouse || (!IsMaster(dev) && dev->u.master == mouse)) &&
+ dev->ptrfeed && dev->ptrfeed->CtrlProc) {
+ dev->ptrfeed->ctrl = ctrl;
+ (*dev->ptrfeed->CtrlProc)(dev, &mouse->ptrfeed->ctrl);
+ }
+ }
+
+ return Success;
+}
+
+int
+ProcGetPointerControl(ClientPtr client)
+{
+ DeviceIntPtr ptr = PickPointer(client);
+ PtrCtrl *ctrl = &ptr->ptrfeed->ctrl;
+ xGetPointerControlReply rep;
+ int rc;
+ REQUEST_SIZE_MATCH(xReq);
+
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, ptr, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.threshold = ctrl->threshold;
+ rep.accelNumerator = ctrl->num;
+ rep.accelDenominator = ctrl->den;
+ WriteReplyToClient(client, sizeof(xGenericReply), &rep);
+ return Success;
+}
+
+void
+MaybeStopHint(DeviceIntPtr dev, ClientPtr client)
+{
+ GrabPtr grab = dev->deviceGrab.grab;
+
+ if ((grab && SameClient(grab, client) &&
+ ((grab->eventMask & PointerMotionHintMask) ||
+ (grab->ownerEvents &&
+ (EventMaskForClient(dev->valuator->motionHintWindow, client) &
+ PointerMotionHintMask)))) ||
+ (!grab &&
+ (EventMaskForClient(dev->valuator->motionHintWindow, client) &
+ PointerMotionHintMask)))
+ dev->valuator->motionHintWindow = NullWindow;
+}
+
+int
+ProcGetMotionEvents(ClientPtr client)
+{
+ WindowPtr pWin;
+ xTimecoord * coords = (xTimecoord *) NULL;
+ xGetMotionEventsReply rep;
+ int i, count, xmin, xmax, ymin, ymax, rc;
+ unsigned long nEvents;
+ DeviceIntPtr mouse = PickPointer(client);
+ TimeStamp start, stop;
+ REQUEST(xGetMotionEventsReq);
+ REQUEST_SIZE_MATCH(xGetMotionEventsReq);
+
+ rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, mouse, DixReadAccess);
+ if (rc != Success)
+ return rc;
+
+ if (mouse->valuator->motionHintWindow)
+ MaybeStopHint(mouse, client);
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ nEvents = 0;
+ start = ClientTimeToServerTime(stuff->start);
+ stop = ClientTimeToServerTime(stuff->stop);
+ if ((CompareTimeStamps(start, stop) != LATER) &&
+ (CompareTimeStamps(start, currentTime) != LATER) &&
+ mouse->valuator->numMotionEvents)
+ {
+ if (CompareTimeStamps(stop, currentTime) == LATER)
+ stop = currentTime;
+ count = GetMotionHistory(mouse, &coords, start.milliseconds,
+ stop.milliseconds, pWin->drawable.pScreen,
+ TRUE);
+ xmin = pWin->drawable.x - wBorderWidth (pWin);
+ xmax = pWin->drawable.x + (int)pWin->drawable.width +
+ wBorderWidth (pWin);
+ ymin = pWin->drawable.y - wBorderWidth (pWin);
+ ymax = pWin->drawable.y + (int)pWin->drawable.height +
+ wBorderWidth (pWin);
+ for (i = 0; i < count; i++)
+ if ((xmin <= coords[i].x) && (coords[i].x < xmax) &&
+ (ymin <= coords[i].y) && (coords[i].y < ymax))
+ {
+ coords[nEvents].time = coords[i].time;
+ coords[nEvents].x = coords[i].x - pWin->drawable.x;
+ coords[nEvents].y = coords[i].y - pWin->drawable.y;
+ nEvents++;
+ }
+ }
+ rep.length = nEvents * bytes_to_int32(sizeof(xTimecoord));
+ rep.nEvents = nEvents;
+ WriteReplyToClient(client, sizeof(xGetMotionEventsReply), &rep);
+ if (nEvents)
+ {
+ client->pSwapReplyFunc = (ReplySwapPtr) SwapTimeCoordWrite;
+ WriteSwappedDataToClient(client, nEvents * sizeof(xTimecoord),
+ (char *)coords);
+ }
+ if (coords)
+ free(coords);
+ return Success;
+}
+
+int
+ProcQueryKeymap(ClientPtr client)
+{
+ xQueryKeymapReply rep;
+ int rc, i;
+ DeviceIntPtr keybd = PickKeyboard(client);
+ CARD8 *down = keybd->key->down;
+
+ REQUEST_SIZE_MATCH(xReq);
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 2;
+
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, keybd, DixReadAccess);
+ if (rc != Success && rc != BadAccess)
+ return rc;
+
+ for (i = 0; i<32; i++)
+ rep.map[i] = down[i];
+
+ if (rc == BadAccess)
+ memset(rep.map, 0, 32);
+
+ WriteReplyToClient(client, sizeof(xQueryKeymapReply), &rep);
+
+ return Success;
+}
+
+
+/**
+ * Recalculate the number of buttons for the master device. The number of
+ * buttons on the master device is equal to the number of buttons on the
+ * slave device with the highest number of buttons.
+ */
+static void
+RecalculateMasterButtons(DeviceIntPtr slave)
+{
+ DeviceIntPtr dev, master;
+ int maxbuttons = 0;
+
+ if (!slave->button || IsMaster(slave))
+ return;
+
+ master = GetMaster(slave, MASTER_POINTER);
+ if (!master)
+ return;
+
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (IsMaster(dev) ||
+ dev->u.master != master ||
+ !dev->button)
+ continue;
+
+ maxbuttons = max(maxbuttons, dev->button->numButtons);
+ }
+
+ if (master->button->numButtons != maxbuttons)
+ {
+ int i;
+ DeviceChangedEvent event;
+
+ memset(&event, 0, sizeof(event));
+
+ master->button->numButtons = maxbuttons;
+
+ event.header = ET_Internal;
+ event.type = ET_DeviceChanged;
+ event.time = CurrentTime;
+ event.deviceid = master->id;
+ event.flags = DEVCHANGE_POINTER_EVENT | DEVCHANGE_DEVICE_CHANGE;
+ event.buttons.num_buttons = maxbuttons;
+ memcpy(&event.buttons.names, master->button->labels, maxbuttons *
+ sizeof(Atom));
+
+ if (master->valuator)
+ {
+ event.num_valuators = master->valuator->numAxes;
+ for (i = 0; i < event.num_valuators; i++)
+ {
+ event.valuators[i].min = master->valuator->axes[i].min_value;
+ event.valuators[i].max = master->valuator->axes[i].max_value;
+ event.valuators[i].resolution = master->valuator->axes[i].resolution;
+ /* This should, eventually, be a per-axis mode */
+ event.valuators[i].mode = master->valuator->mode;
+ event.valuators[i].name = master->valuator->axes[i].label;
+ }
+ }
+
+ if (master->key)
+ {
+ event.keys.min_keycode = master->key->xkbInfo->desc->min_key_code;
+ event.keys.max_keycode = master->key->xkbInfo->desc->max_key_code;
+ }
+
+ XISendDeviceChangedEvent(master, master, &event);
+ }
+}
+
+/**
+ * Attach device 'dev' to device 'master'.
+ * Client is set to the client that issued the request, or NULL if it comes
+ * from some internal automatic pairing.
+ *
+ * Master may be NULL to set the device floating.
+ *
+ * We don't allow multi-layer hierarchies right now. You can't attach a slave
+ * to another slave.
+ */
+int
+AttachDevice(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr master)
+{
+ ScreenPtr screen;
+ DeviceIntPtr oldmaster;
+ if (!dev || IsMaster(dev))
+ return BadDevice;
+
+ if (master && !IsMaster(master)) /* can't attach to slaves */
+ return BadDevice;
+
+ /* set from floating to floating? */
+ if (!dev->u.master && !master && dev->enabled)
+ return Success;
+
+ /* free the existing sprite. */
+ if (!dev->u.master && dev->spriteInfo->paired == dev)
+ {
+ screen = miPointerGetScreen(dev);
+ screen->DeviceCursorCleanup(dev, screen);
+ free(dev->spriteInfo->sprite);
+ }
+
+ oldmaster = dev->u.master;
+ dev->u.master = master;
+
+ /* If device is set to floating, we need to create a sprite for it,
+ * otherwise things go bad. However, we don't want to render the cursor,
+ * so we reset spriteOwner.
+ * Sprite has to be forced to NULL first, otherwise InitializeSprite won't
+ * alloc new memory but overwrite the previous one.
+ */
+ if (!master)
+ {
+ WindowPtr currentRoot;
+
+ if (dev->spriteInfo->sprite)
+ currentRoot = dev->spriteInfo->sprite->spriteTrace[0];
+ else /* new device auto-set to floating */
+ currentRoot = WindowTable[0];
+
+ /* we need to init a fake sprite */
+ screen = currentRoot->drawable.pScreen;
+ screen->DeviceCursorInitialize(dev, screen);
+ dev->spriteInfo->sprite = NULL;
+ InitializeSprite(dev, currentRoot);
+ dev->spriteInfo->spriteOwner = FALSE;
+ dev->spriteInfo->paired = dev;
+ } else
+ {
+ dev->spriteInfo->sprite = master->spriteInfo->sprite;
+ dev->spriteInfo->paired = master;
+ dev->spriteInfo->spriteOwner = FALSE;
+
+ RecalculateMasterButtons(master);
+ }
+
+ /* XXX: in theory, the MD should change back to its old, original
+ * classes when the last SD is detached. Thanks to the XTEST devices,
+ * we'll always have an SD attached until the MD is removed.
+ * So let's not worry about that.
+ */
+
+ return Success;
+}
+
+/**
+ * Return the device paired with the given device or NULL.
+ * Returns the device paired with the parent master if the given device is a
+ * slave device.
+ */
+DeviceIntPtr
+GetPairedDevice(DeviceIntPtr dev)
+{
+ if (!IsMaster(dev) && dev->u.master)
+ dev = dev->u.master;
+
+ return dev->spriteInfo->paired;
+}
+
+
+/**
+ * Returns the right master for the type of event needed. If the event is a
+ * keyboard event.
+ * This function may be called with a master device as argument. If so, the
+ * returned master is either the device itself or the paired master device.
+ * If dev is a floating slave device, NULL is returned.
+ *
+ * @type ::MASTER_KEYBOARD or ::MASTER_POINTER
+ */
+DeviceIntPtr
+GetMaster(DeviceIntPtr dev, int which)
+{
+ DeviceIntPtr master;
+
+ if (IsMaster(dev))
+ master = dev;
+ else
+ master = dev->u.master;
+
+ if (master)
+ {
+ if (which == MASTER_KEYBOARD)
+ {
+ if (master->type != MASTER_KEYBOARD)
+ master = GetPairedDevice(master);
+ } else
+ {
+ if (master->type != MASTER_POINTER)
+ master = GetPairedDevice(master);
+ }
+ }
+
+ return master;
+}
+
+/**
+ * Create a new device pair (== one pointer, one keyboard device).
+ * Only allocates the devices, you will need to call ActivateDevice() and
+ * EnableDevice() manually.
+ * Either a master or a slave device can be created depending on
+ * the value for master.
+ */
+int
+AllocDevicePair (ClientPtr client, char* name,
+ DeviceIntPtr* ptr,
+ DeviceIntPtr* keybd,
+ DeviceProc ptr_proc,
+ DeviceProc keybd_proc,
+ Bool master)
+{
+ DeviceIntPtr pointer;
+ DeviceIntPtr keyboard;
+ *ptr = *keybd = NULL;
+
+ pointer = AddInputDevice(client, ptr_proc, TRUE);
+ if (!pointer)
+ return BadAlloc;
+
+ pointer->name = calloc(strlen(name) + strlen(" pointer") + 1, sizeof(char));
+ strcpy(pointer->name, name);
+ strcat(pointer->name, " pointer");
+
+ pointer->public.processInputProc = ProcessOtherEvent;
+ pointer->public.realInputProc = ProcessOtherEvent;
+ XkbSetExtension(pointer, ProcessPointerEvent);
+ pointer->deviceGrab.ActivateGrab = ActivatePointerGrab;
+ pointer->deviceGrab.DeactivateGrab = DeactivatePointerGrab;
+ pointer->coreEvents = TRUE;
+ pointer->spriteInfo->spriteOwner = TRUE;
+
+ pointer->u.lastSlave = NULL;
+ pointer->last.slave = NULL;
+ pointer->type = (master) ? MASTER_POINTER : SLAVE;
+
+ keyboard = AddInputDevice(client, keybd_proc, TRUE);
+ if (!keyboard)
+ {
+ RemoveDevice(pointer, FALSE);
+ return BadAlloc;
+ }
+
+ keyboard->name = calloc(strlen(name) + strlen(" keyboard") + 1, sizeof(char));
+ strcpy(keyboard->name, name);
+ strcat(keyboard->name, " keyboard");
+
+ keyboard->public.processInputProc = ProcessOtherEvent;
+ keyboard->public.realInputProc = ProcessOtherEvent;
+ XkbSetExtension(keyboard, ProcessKeyboardEvent);
+ keyboard->deviceGrab.ActivateGrab = ActivateKeyboardGrab;
+ keyboard->deviceGrab.DeactivateGrab = DeactivateKeyboardGrab;
+ keyboard->coreEvents = TRUE;
+ keyboard->spriteInfo->spriteOwner = FALSE;
+
+ keyboard->u.lastSlave = NULL;
+ keyboard->last.slave = NULL;
+ keyboard->type = (master) ? MASTER_KEYBOARD : SLAVE;
+
+ /* The ClassesRec stores the device classes currently not used. */
+ pointer->unused_classes = calloc(1, sizeof(ClassesRec));
+ keyboard->unused_classes = calloc(1, sizeof(ClassesRec));
+
+ *ptr = pointer;
+ *keybd = keyboard;
+
+ return Success;
+}
+
diff --git a/xorg-server/dix/dispatch.c b/xorg-server/dix/dispatch.c index 3e5a7ac74..07a371f3c 100644 --- a/xorg-server/dix/dispatch.c +++ b/xorg-server/dix/dispatch.c @@ -180,13 +180,6 @@ CallbackListPtr ClientStateCallback; volatile char dispatchException = 0;
volatile char isItTimeToYield;
-/* Various of the DIX function interfaces were not designed to allow
- * the client->errorValue to be set on BadValue and other errors.
- * Rather than changing interfaces and breaking untold code we introduce
- * a new global that dispatch can use.
- */
-XID clientErrorValue; /* XXX this is a kludge */
-
#define SAME_SCREENS(a, b) (\
(a.pScreen == b.pScreen))
@@ -363,7 +356,7 @@ Dispatch(void) nextFreeClientID = 1;
nClients = 0;
- clientReady = xalloc(sizeof(int) * MaxClients);
+ clientReady = malloc(sizeof(int) * MaxClients);
if (!clientReady)
return;
@@ -472,16 +465,18 @@ Dispatch(void) }
#endif
- if (result != Success)
+ if (client->noClientException != Success)
{
- if (client->noClientException != Success)
- CloseDownClient(client);
- else
- SendErrorToClient(client, MAJOROP,
- MinorOpcodeOfRequest(client),
- client->errorValue, result);
+ CloseDownClient(client);
break;
- }
+ }
+ else if (result != Success)
+ {
+ SendErrorToClient(client, MAJOROP,
+ MinorOpcodeOfRequest(client),
+ client->errorValue, result);
+ break;
+ }
}
FlushAllOutput();
client = clients[clientReady[nready]];
@@ -494,7 +489,7 @@ Dispatch(void) ddxBeforeReset ();
#endif
KillAllClients();
- xfree(clientReady);
+ free(clientReady);
dispatchException &= ~DE_RESET;
SmartScheduleLatencyLimited = 0;
}
@@ -558,7 +553,7 @@ CreateConnectionBlock(void) pad_to_int32(setup.nbytesVendor) +
(setup.numFormats * sizeof(xPixmapFormat)) +
(setup.numRoots * sizeof(xWindowRoot));
- ConnectionInfo = xalloc(lenofblock);
+ ConnectionInfo = malloc(lenofblock);
if (!ConnectionInfo)
return FALSE;
@@ -620,10 +615,10 @@ CreateConnectionBlock(void) {
lenofblock += sizeof(xDepth) +
(pDepth->numVids * sizeof(xVisualType));
- pBuf = (char *)xrealloc(ConnectionInfo, lenofblock);
+ pBuf = (char *)realloc(ConnectionInfo, lenofblock);
if (!pBuf)
{
- xfree(ConnectionInfo);
+ free(ConnectionInfo);
return FALSE;
}
ConnectionInfo = pBuf;
@@ -703,10 +698,7 @@ ProcCreateWindow(ClientPtr client) return BadAlloc;
pWin->eventMask = mask;
}
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return rc;
+ return rc;
}
int
@@ -714,7 +706,7 @@ ProcChangeWindowAttributes(ClientPtr client) {
WindowPtr pWin;
REQUEST(xChangeWindowAttributesReq);
- int result, len, rc;
+ int len, rc;
Mask access_mode = 0;
REQUEST_AT_LEAST_SIZE(xChangeWindowAttributesReq);
@@ -726,14 +718,10 @@ ProcChangeWindowAttributes(ClientPtr client) len = client->req_len - bytes_to_int32(sizeof(xChangeWindowAttributesReq));
if (len != Ones(stuff->valueMask))
return BadLength;
- result = ChangeWindowAttributes(pWin,
+ return ChangeWindowAttributes(pWin,
stuff->valueMask,
(XID *) &stuff[1],
client);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return(result);
}
int
@@ -751,7 +739,7 @@ ProcGetWindowAttributes(ClientPtr client) memset(&wa, 0, sizeof(xGetWindowAttributesReply));
GetWindowAttributes(pWin, client, &wa);
WriteReplyToClient(client, sizeof(xGetWindowAttributesReply), &wa);
- return(client->noClientException);
+ return Success;
}
int
@@ -772,7 +760,7 @@ ProcDestroyWindow(ClientPtr client) return rc;
FreeResource(stuff->id, RT_NONE);
}
- return(client->noClientException);
+ return Success;
}
int
@@ -787,7 +775,7 @@ ProcDestroySubwindows(ClientPtr client) if (rc != Success)
return rc;
DestroySubwindows(pWin, client);
- return(client->noClientException);
+ return Success;
}
int
@@ -795,7 +783,7 @@ ProcChangeSaveSet(ClientPtr client) {
WindowPtr pWin;
REQUEST(xChangeSaveSetReq);
- int result, rc;
+ int rc;
REQUEST_SIZE_MATCH(xChangeSaveSetReq);
rc = dixLookupWindow(&pWin, stuff->window, client, DixManageAccess);
@@ -804,18 +792,9 @@ ProcChangeSaveSet(ClientPtr client) if (client->clientAsMask == (CLIENT_BITS(pWin->drawable.id)))
return BadMatch;
if ((stuff->mode == SetModeInsert) || (stuff->mode == SetModeDelete))
- {
- result = AlterSaveSetForClient(client, pWin, stuff->mode, FALSE, TRUE);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return(result);
- }
- else
- {
- client->errorValue = stuff->mode;
- return( BadValue );
- }
+ return AlterSaveSetForClient(client, pWin, stuff->mode, FALSE, TRUE);
+ client->errorValue = stuff->mode;
+ return BadValue;
}
int
@@ -823,7 +802,7 @@ ProcReparentWindow(ClientPtr client) {
WindowPtr pWin, pParent;
REQUEST(xReparentWindowReq);
- int result, rc;
+ int rc;
REQUEST_SIZE_MATCH(xReparentWindowReq);
rc = dixLookupWindow(&pWin, stuff->window, client, DixManageAccess);
@@ -832,23 +811,16 @@ ProcReparentWindow(ClientPtr client) rc = dixLookupWindow(&pParent, stuff->parent, client, DixAddAccess);
if (rc != Success)
return rc;
- if (SAME_SCREENS(pWin->drawable, pParent->drawable))
- {
- if ((pWin->backgroundState == ParentRelative) &&
- (pParent->drawable.depth != pWin->drawable.depth))
- return BadMatch;
- if ((pWin->drawable.class != InputOnly) &&
- (pParent->drawable.class == InputOnly))
- return BadMatch;
- result = ReparentWindow(pWin, pParent,
- (short)stuff->x, (short)stuff->y, client);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return(result);
- }
- else
- return (BadMatch);
+ if (!SAME_SCREENS(pWin->drawable, pParent->drawable))
+ return BadMatch;
+ if ((pWin->backgroundState == ParentRelative) &&
+ (pParent->drawable.depth != pWin->drawable.depth))
+ return BadMatch;
+ if ((pWin->drawable.class != InputOnly) &&
+ (pParent->drawable.class == InputOnly))
+ return BadMatch;
+ return ReparentWindow(pWin, pParent,
+ (short)stuff->x, (short)stuff->y, client);
}
int
@@ -864,7 +836,7 @@ ProcMapWindow(ClientPtr client) return rc;
MapWindow(pWin, client);
/* update cache to say it is mapped */
- return(client->noClientException);
+ return Success;
}
int
@@ -880,7 +852,7 @@ ProcMapSubwindows(ClientPtr client) return rc;
MapSubwindows(pWin, client);
/* update cache to say it is mapped */
- return(client->noClientException);
+ return Success;
}
int
@@ -896,7 +868,7 @@ ProcUnmapWindow(ClientPtr client) return rc;
UnmapWindow(pWin, FALSE);
/* update cache to say it is mapped */
- return(client->noClientException);
+ return Success;
}
int
@@ -911,7 +883,7 @@ ProcUnmapSubwindows(ClientPtr client) if (rc != Success)
return rc;
UnmapSubwindows(pWin);
- return(client->noClientException);
+ return Success;
}
int
@@ -919,7 +891,6 @@ ProcConfigureWindow(ClientPtr client) {
WindowPtr pWin;
REQUEST(xConfigureWindowReq);
- int result;
int len, rc;
REQUEST_AT_LEAST_SIZE(xConfigureWindowReq);
@@ -930,12 +901,7 @@ ProcConfigureWindow(ClientPtr client) len = client->req_len - bytes_to_int32(sizeof(xConfigureWindowReq));
if (Ones((Mask)stuff->mask) != len)
return BadLength;
- result = ConfigureWindow(pWin, (Mask)stuff->mask, (XID *) &stuff[1],
- client);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return(result);
+ return ConfigureWindow(pWin, (Mask)stuff->mask, (XID *) &stuff[1], client);
}
int
@@ -956,7 +922,7 @@ ProcCirculateWindow(ClientPtr client) if (rc != Success)
return rc;
CirculateWindow(pWin, (int)stuff->direction, client);
- return(client->noClientException);
+ return Success;
}
static int
@@ -1015,7 +981,7 @@ ProcGetGeometry(ClientPtr client) return status;
WriteReplyToClient(client, sizeof(xGetGeometryReply), &rep);
- return(client->noClientException);
+ return Success;
}
#ifdef WIN32
@@ -1057,7 +1023,7 @@ ProcQueryTree(ClientPtr client) {
int curChild = 0;
- childIDs = xalloc(numChildren * sizeof(Window));
+ childIDs = malloc(numChildren * sizeof(Window));
if (!childIDs)
return BadAlloc;
for (pChild = pWin->lastChild; pChild != pHead; pChild = pChild->prevSib)
@@ -1075,10 +1041,10 @@ ProcQueryTree(ClientPtr client) {
client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
WriteSwappedDataToClient(client, numChildren * sizeof(Window), childIDs);
- xfree(childIDs);
+ free(childIDs);
}
- return(client->noClientException);
+ return Success;
}
int
@@ -1105,7 +1071,7 @@ ProcInternAtom(ClientPtr client) reply.sequenceNumber = client->sequence;
reply.atom = atom;
WriteReplyToClient(client, sizeof(xInternAtomReply), &reply);
- return(client->noClientException);
+ return Success;
}
else
return (BadAlloc);
@@ -1130,7 +1096,7 @@ ProcGetAtomName(ClientPtr client) reply.nameLength = len;
WriteReplyToClient(client, sizeof(xGetAtomNameReply), &reply);
(void)WriteToClient(client, len, str);
- return(client->noClientException);
+ return Success;
}
else
{
@@ -1150,7 +1116,7 @@ ProcGrabServer(ClientPtr client) client->sequence--;
BITSET(grabWaiters, client->index);
IgnoreClient(client);
- return(client->noClientException);
+ return Success;
}
rc = OnlyListenToOneClient(client);
if (rc != Success)
@@ -1166,7 +1132,7 @@ ProcGrabServer(ClientPtr client) CallCallbacks(&ServerGrabCallback, (pointer)&grabinfo);
}
- return(client->noClientException);
+ return Success;
}
static void
@@ -1201,7 +1167,7 @@ ProcUngrabServer(ClientPtr client) {
REQUEST_SIZE_MATCH(xReq);
UngrabServer(client);
- return(client->noClientException);
+ return Success;
}
int
@@ -1275,7 +1241,7 @@ ProcTranslateCoords(ClientPtr client) rep.dstY = y - pDst->drawable.y;
}
WriteReplyToClient(client, sizeof(xTranslateCoordsReply), &rep);
- return(client->noClientException);
+ return Success;
}
int
@@ -1291,7 +1257,7 @@ ProcOpenFont(ClientPtr client) stuff->nbytes, (char *)&stuff[1]);
if (err == Success)
{
- return(client->noClientException);
+ return Success;
}
else
return err;
@@ -1310,7 +1276,7 @@ ProcCloseFont(ClientPtr client) if (rc == Success)
{
FreeResource(stuff->id, RT_NONE);
- return(client->noClientException);
+ return Success;
}
else
{
@@ -1349,7 +1315,7 @@ ProcQueryFont(ClientPtr client) rlength = sizeof(xQueryFontReply) +
FONTINFONPROPS(FONTCHARSET(pFont)) * sizeof(xFontProp) +
nprotoxcistructs * sizeof(xCharInfo);
- reply = xcalloc(1, rlength);
+ reply = calloc(1, rlength);
if(!reply)
{
return(BadAlloc);
@@ -1361,8 +1327,8 @@ ProcQueryFont(ClientPtr client) QueryFont( pFont, reply, nprotoxcistructs);
WriteReplyToClient(client, rlength, reply);
- xfree(reply);
- return(client->noClientException);
+ free(reply);
+ return Success;
}
}
@@ -1403,7 +1369,7 @@ ProcQueryTextExtents(ClientPtr client) reply.overallLeft = info.overallLeft;
reply.overallRight = info.overallRight;
WriteReplyToClient(client, sizeof(xQueryTextExtentsReply), &reply);
- return(client->noClientException);
+ return Success;
}
int
@@ -1504,7 +1470,7 @@ CreatePmap: return rc;
}
if (AddResource(stuff->pid, RT_PIXMAP, (pointer)pMap))
- return(client->noClientException);
+ return Success;
(*pDraw->pScreen->DestroyPixmap)(pMap);
}
return (BadAlloc);
@@ -1523,7 +1489,7 @@ ProcFreePixmap(ClientPtr client) if (rc == Success)
{
FreeResource(stuff->id, RT_NONE);
- return(client->noClientException);
+ return Success;
}
else
{
@@ -1558,7 +1524,7 @@ ProcCreateGC(ClientPtr client) return error;
if (!AddResource(stuff->gc, RT_GC, (pointer)pGC))
return (BadAlloc);
- return(client->noClientException);
+ return Success;
}
int
@@ -1578,14 +1544,7 @@ ProcChangeGC(ClientPtr client) if (len != Ones(stuff->mask))
return BadLength;
- result = dixChangeGC(client, pGC, stuff->mask, (CARD32 *) &stuff[1], 0);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- {
- client->errorValue = clientErrorValue;
- return(result);
- }
+ return ChangeGCXIDs(client, pGC, stuff->mask, (CARD32 *) &stuff[1]);
}
int
@@ -1605,14 +1564,12 @@ ProcCopyGC(ClientPtr client) return result;
if ((dstGC->pScreen != pGC->pScreen) || (dstGC->depth != pGC->depth))
return (BadMatch);
- result = CopyGC(pGC, dstGC, stuff->mask);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
+ if (stuff->mask & ~GCAllBits)
{
- client->errorValue = clientErrorValue;
- return(result);
+ client->errorValue = stuff->mask;
+ return BadValue;
}
+ return CopyGC(pGC, dstGC, stuff->mask);
}
int
@@ -1633,15 +1590,11 @@ ProcSetDashes(ClientPtr client) if (result != Success)
return result;
- result = SetDashes(pGC, stuff->dashOffset, stuff->nDashes,
+ /* If there's an error, either there's no sensible errorValue,
+ * or there was a dash segment of 0. */
+ client->errorValue = 0;
+ return SetDashes(pGC, stuff->dashOffset, stuff->nDashes,
(unsigned char *)&stuff[1]);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- {
- client->errorValue = clientErrorValue;
- return(result);
- }
}
int
@@ -1666,12 +1619,8 @@ ProcSetClipRectangles(ClientPtr client) if (nr & 4)
return(BadLength);
nr >>= 3;
- result = SetClipRects(pGC, stuff->xOrigin, stuff->yOrigin,
+ return SetClipRects(pGC, stuff->xOrigin, stuff->yOrigin,
nr, (xRectangle *)&stuff[1], (int)stuff->ordering);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return(result);
}
int
@@ -1687,7 +1636,7 @@ ProcFreeGC(ClientPtr client) return rc;
FreeResource(stuff->id, RT_NONE);
- return(client->noClientException);
+ return Success;
}
int
@@ -1714,7 +1663,7 @@ ProcClearToBackground(ClientPtr client) (*pWin->drawable.pScreen->ClearToBackground)(pWin, stuff->x, stuff->y,
stuff->width, stuff->height,
(Bool)stuff->exposures);
- return(client->noClientException);
+ return Success;
}
int
@@ -1756,7 +1705,7 @@ ProcCopyArea(ClientPtr client) REGION_DESTROY(pDst->pScreen, pRgn);
}
- return(client->noClientException);
+ return Success;
}
int
@@ -1805,7 +1754,7 @@ ProcCopyPlane(ClientPtr client) if (pRgn)
REGION_DESTROY(pdstDraw->pScreen, pRgn);
}
- return(client->noClientException);
+ return Success;
}
int
@@ -1828,7 +1777,7 @@ ProcPolyPoint(ClientPtr client) if (npoint)
(*pGC->ops->PolyPoint)(pDraw, pGC, stuff->coordMode, npoint,
(xPoint *) &stuff[1]);
- return (client->noClientException);
+ return Success;
}
int
@@ -1851,7 +1800,7 @@ ProcPolyLine(ClientPtr client) if (npoint > 1)
(*pGC->ops->Polylines)(pDraw, pGC, stuff->coordMode, npoint,
(DDXPointPtr) &stuff[1]);
- return(client->noClientException);
+ return Success;
}
int
@@ -1870,7 +1819,7 @@ ProcPolySegment(ClientPtr client) nsegs >>= 3;
if (nsegs)
(*pGC->ops->PolySegment)(pDraw, pGC, nsegs, (xSegment *) &stuff[1]);
- return (client->noClientException);
+ return Success;
}
int
@@ -1890,7 +1839,7 @@ ProcPolyRectangle (ClientPtr client) if (nrects)
(*pGC->ops->PolyRectangle)(pDraw, pGC,
nrects, (xRectangle *) &stuff[1]);
- return(client->noClientException);
+ return Success;
}
int
@@ -1909,7 +1858,7 @@ ProcPolyArc(ClientPtr client) narcs /= sizeof(xArc);
if (narcs)
(*pGC->ops->PolyArc)(pDraw, pGC, narcs, (xArc *) &stuff[1]);
- return (client->noClientException);
+ return Success;
}
int
@@ -1940,7 +1889,7 @@ ProcFillPoly(ClientPtr client) (*pGC->ops->FillPolygon) (pDraw, pGC, stuff->shape,
stuff->coordMode, things,
(DDXPointPtr) &stuff[1]);
- return(client->noClientException);
+ return Success;
}
int
@@ -1961,7 +1910,7 @@ ProcPolyFillRectangle(ClientPtr client) if (things)
(*pGC->ops->PolyFillRect) (pDraw, pGC, things,
(xRectangle *) &stuff[1]);
- return (client->noClientException);
+ return Success;
}
int
@@ -1980,7 +1929,7 @@ ProcPolyFillArc(ClientPtr client) narcs /= sizeof(xArc);
if (narcs)
(*pGC->ops->PolyFillArc) (pDraw, pGC, narcs, (xArc *) &stuff[1]);
- return (client->noClientException);
+ return Success;
}
#ifdef MATCH_CLIENT_ENDIAN
@@ -2091,7 +2040,7 @@ ProcPutImage(ClientPtr client) stuff->width, stuff->height,
stuff->leftPad, stuff->format, tmpImage);
- return (client->noClientException);
+ return Success;
}
static int
@@ -2195,7 +2144,7 @@ DoGetImage(ClientPtr client, int format, Drawable drawable, xgi.length = length;
if (im_return) {
- pBuf = xcalloc(1, sz_xGetImageReply + length);
+ pBuf = calloc(1, sz_xGetImageReply + length);
if (!pBuf)
return (BadAlloc);
if (widthBytesLine == 0)
@@ -2233,7 +2182,7 @@ DoGetImage(ClientPtr client, int format, Drawable drawable, length += widthBytesLine;
}
}
- if(!(pBuf = xcalloc(1, length)))
+ if(!(pBuf = calloc(1, length)))
return (BadAlloc);
WriteReplyToClient(client, sizeof (xGetImageReply), &xgi);
}
@@ -2334,8 +2283,8 @@ DoGetImage(ClientPtr client, int format, Drawable drawable, if (pVisibleRegion)
REGION_DESTROY(pDraw->pScreen, pVisibleRegion);
if (!im_return)
- xfree(pBuf);
- return (client->noClientException);
+ free(pBuf);
+ return Success;
}
int
@@ -2374,7 +2323,7 @@ ProcPolyText(ClientPtr client) if (err == Success)
{
- return(client->noClientException);
+ return Success;
}
else
return err;
@@ -2404,7 +2353,7 @@ ProcImageText8(ClientPtr client) if (err == Success)
{
- return(client->noClientException);
+ return Success;
}
else
return err;
@@ -2434,7 +2383,7 @@ ProcImageText16(ClientPtr client) if (err == Success)
{
- return(client->noClientException);
+ return Success;
}
else
return err;
@@ -2472,12 +2421,8 @@ ProcCreateColormap(ClientPtr client) {
if (pVisual->vid != stuff->visual)
continue;
- result = CreateColormap(mid, pScreen, pVisual, &pmap,
+ return CreateColormap(mid, pScreen, pVisual, &pmap,
(int)stuff->alloc, client->index);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return(result);
}
client->errorValue = stuff->visual;
return(BadMatch);
@@ -2498,7 +2443,7 @@ ProcFreeColormap(ClientPtr client) /* Freeing a default colormap is a no-op */
if (!(pmap->flags & IsDefault))
FreeResource(stuff->id, RT_NONE);
- return (client->noClientException);
+ return Success;
}
else
{
@@ -2522,18 +2467,9 @@ ProcCopyColormapAndFree(ClientPtr client) rc = dixLookupResourceByType((pointer *)&pSrcMap, stuff->srcCmap, RT_COLORMAP,
client, DixReadAccess|DixRemoveAccess);
if (rc == Success)
- {
- rc = CopyColormapAndFree(mid, pSrcMap, client->index);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return rc;
- }
- else
- {
- client->errorValue = stuff->srcCmap;
- return (rc == BadValue) ? BadColor : rc;
- }
+ return CopyColormapAndFree(mid, pSrcMap, client->index);
+ client->errorValue = stuff->srcCmap;
+ return (rc == BadValue) ? BadColor : rc;
}
int
@@ -2554,8 +2490,8 @@ ProcInstallColormap(ClientPtr client) goto out;
(*(pcmp->pScreen->InstallColormap)) (pcmp);
+ return Success;
- rc = client->noClientException;
out:
client->errorValue = stuff->id;
return (rc == BadValue) ? BadColor : rc;
@@ -2580,8 +2516,8 @@ ProcUninstallColormap(ClientPtr client) if(pcmp->mid != pcmp->pScreen->defColormap)
(*(pcmp->pScreen->UninstallColormap)) (pcmp);
+ return Success;
- rc = client->noClientException;
out:
client->errorValue = stuff->id;
return (rc == BadValue) ? BadColor : rc;
@@ -2598,14 +2534,14 @@ ProcListInstalledColormaps(ClientPtr client) rc = dixLookupWindow(&pWin, stuff->id, client, DixGetAttrAccess);
if (rc != Success)
- goto out;
+ return rc;
rc = XaceHook(XACE_SCREEN_ACCESS, client, pWin->drawable.pScreen,
DixGetAttrAccess);
if (rc != Success)
- goto out;
+ return rc;
- preply = xalloc(sizeof(xListInstalledColormapsReply) +
+ preply = malloc(sizeof(xListInstalledColormapsReply) +
pWin->drawable.pScreen->maxInstalledCmaps *
sizeof(Colormap));
if(!preply)
@@ -2620,10 +2556,8 @@ ProcListInstalledColormaps(ClientPtr client) WriteReplyToClient(client, sizeof (xListInstalledColormapsReply), preply);
client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
WriteSwappedDataToClient(client, nummaps * sizeof(Colormap), &preply[1]);
- xfree(preply);
- rc = client->noClientException;
-out:
- return rc;
+ free(preply);
+ return Success;
}
int
@@ -2648,17 +2582,12 @@ ProcAllocColor (ClientPtr client) acr.pixel = 0;
if( (rc = AllocColor(pmap, &acr.red, &acr.green, &acr.blue,
&acr.pixel, client->index)) )
- {
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return rc;
- }
+ return rc;
#ifdef PANORAMIX
if (noPanoramiXExtension || !pmap->pScreen->myNum)
#endif
WriteReplyToClient(client, sizeof(xAllocColorReply), &acr);
- return (client->noClientException);
+ return Success;
}
else
@@ -2696,17 +2625,12 @@ ProcAllocNamedColor (ClientPtr client) if( (rc = AllocColor(pcmp,
&ancr.screenRed, &ancr.screenGreen, &ancr.screenBlue,
&ancr.pixel, client->index)) )
- {
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return rc;
- }
+ return rc;
#ifdef PANORAMIX
if (noPanoramiXExtension || !pcmp->pScreen->myNum)
#endif
WriteReplyToClient(client, sizeof (xAllocNamedColorReply), &ancr);
- return (client->noClientException);
+ return Success;
}
else
return(BadName);
@@ -2749,7 +2673,7 @@ ProcAllocColorCells (ClientPtr client) }
nmasks = stuff->planes;
length = ((long)npixels + (long)nmasks) * sizeof(Pixel);
- ppixels = xalloc(length);
+ ppixels = malloc(length);
if(!ppixels)
return(BadAlloc);
pmasks = ppixels + npixels;
@@ -2757,11 +2681,8 @@ ProcAllocColorCells (ClientPtr client) if( (rc = AllocColorCells(client->index, pcmp, npixels, nmasks,
(Bool)stuff->contiguous, ppixels, pmasks)) )
{
- xfree(ppixels);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return rc;
+ free(ppixels);
+ return rc;
}
#ifdef PANORAMIX
if (noPanoramiXExtension || !pcmp->pScreen->myNum)
@@ -2776,8 +2697,8 @@ ProcAllocColorCells (ClientPtr client) client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
WriteSwappedDataToClient(client, length, ppixels);
}
- xfree(ppixels);
- return (client->noClientException);
+ free(ppixels);
+ return Success;
}
else
{
@@ -2818,7 +2739,7 @@ ProcAllocColorPlanes(ClientPtr client) acpr.sequenceNumber = client->sequence;
acpr.nPixels = npixels;
length = (long)npixels * sizeof(Pixel);
- ppixels = xalloc(length);
+ ppixels = malloc(length);
if(!ppixels)
return(BadAlloc);
if( (rc = AllocColorPlanes(client->index, pcmp, npixels,
@@ -2826,11 +2747,8 @@ ProcAllocColorPlanes(ClientPtr client) (Bool)stuff->contiguous, ppixels,
&acpr.redMask, &acpr.greenMask, &acpr.blueMask)) )
{
- xfree(ppixels);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return rc;
+ free(ppixels);
+ return rc;
}
acpr.length = bytes_to_int32(length);
#ifdef PANORAMIX
@@ -2841,8 +2759,8 @@ ProcAllocColorPlanes(ClientPtr client) client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
WriteSwappedDataToClient(client, length, ppixels);
}
- xfree(ppixels);
- return (client->noClientException);
+ free(ppixels);
+ return Success;
}
else
{
@@ -2868,16 +2786,8 @@ ProcFreeColors(ClientPtr client) if(pcmp->flags & AllAllocated)
return(BadAccess);
count = bytes_to_int32((client->req_len << 2) - sizeof(xFreeColorsReq));
- rc = FreeColors(pcmp, client->index, count,
+ return FreeColors(pcmp, client->index, count,
(Pixel *)&stuff[1], (Pixel)stuff->planeMask);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- {
- client->errorValue = clientErrorValue;
- return rc;
- }
-
}
else
{
@@ -2904,14 +2814,7 @@ ProcStoreColors (ClientPtr client) if (count % sizeof(xColorItem))
return(BadLength);
count /= sizeof(xColorItem);
- rc = StoreColors(pcmp, count, (xColorItem *)&stuff[1]);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- {
- client->errorValue = clientErrorValue;
- return rc;
- }
+ return StoreColors(pcmp, count, (xColorItem *)&stuff[1], client);
}
else
{
@@ -2939,11 +2842,7 @@ ProcStoreNamedColor (ClientPtr client) {
def.flags = stuff->flags;
def.pixel = stuff->pixel;
- rc = StoreColors(pcmp, 1, &def);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- return rc;
+ return StoreColors(pcmp, 1, &def, client);
}
return (BadName);
}
@@ -2971,19 +2870,13 @@ ProcQueryColors(ClientPtr client) xQueryColorsReply qcr;
count = bytes_to_int32((client->req_len << 2) - sizeof(xQueryColorsReq));
- prgbs = xcalloc(1, count * sizeof(xrgb));
+ prgbs = calloc(1, count * sizeof(xrgb));
if(!prgbs && count)
return(BadAlloc);
- if( (rc = QueryColors(pcmp, count, (Pixel *)&stuff[1], prgbs)) )
+ if( (rc = QueryColors(pcmp, count, (Pixel *)&stuff[1], prgbs, client)) )
{
- if (prgbs) xfree(prgbs);
- if (client->noClientException != Success)
- return(client->noClientException);
- else
- {
- client->errorValue = clientErrorValue;
- return rc;
- }
+ if (prgbs) free(prgbs);
+ return rc;
}
memset(&qcr, 0, sizeof(xQueryColorsReply));
qcr.type = X_Reply;
@@ -2996,8 +2889,8 @@ ProcQueryColors(ClientPtr client) client->pSwapReplyFunc = (ReplySwapPtr) SQColorsExtend;
WriteSwappedDataToClient(client, count * sizeof(xrgb), prgbs);
}
- if (prgbs) xfree(prgbs);
- return(client->noClientException);
+ if (prgbs) free(prgbs);
+ return Success;
}
else
@@ -3035,7 +2928,7 @@ ProcLookupColor(ClientPtr client) &lcr.screenBlue,
pcmp->pVisual);
WriteReplyToClient(client, sizeof(xLookupColorReply), &lcr);
- return(client->noClientException);
+ return Success;
}
return (BadName);
}
@@ -3095,13 +2988,13 @@ ProcCreateCursor (ClientPtr client) return (BadMatch);
n = BitmapBytePad(width)*height;
- srcbits = xcalloc(1, n);
+ srcbits = calloc(1, n);
if (!srcbits)
return (BadAlloc);
- mskbits = xalloc(n);
+ mskbits = malloc(n);
if (!mskbits)
{
- xfree(srcbits);
+ free(srcbits);
return (BadAlloc);
}
@@ -3134,7 +3027,7 @@ ProcCreateCursor (ClientPtr client) if (!AddResource(stuff->cid, RT_CURSOR, (pointer)pCursor))
return BadAlloc;
- return client->noClientException;
+ return Success;
}
int
@@ -3156,7 +3049,7 @@ ProcCreateGlyphCursor (ClientPtr client) if (res != Success)
return res;
if (AddResource(stuff->cid, RT_CURSOR, (pointer)pCursor))
- return client->noClientException;
+ return Success;
return BadAlloc;
}
@@ -3174,7 +3067,7 @@ ProcFreeCursor (ClientPtr client) if (rc == Success)
{
FreeResource(stuff->id, RT_NONE);
- return (client->noClientException);
+ return Success;
}
else
{
@@ -3220,7 +3113,7 @@ ProcQueryBestSize (ClientPtr client) reply.width = stuff->width;
reply.height = stuff->height;
WriteReplyToClient(client, sizeof(xQueryBestSizeReply), &reply);
- return (client->noClientException);
+ return Success;
}
@@ -3284,7 +3177,7 @@ ProcSetScreenSaver (ClientPtr client) ScreenSaverInterval = defaultScreenSaverInterval;
SetScreenSaverTimer();
- return (client->noClientException);
+ return Success;
}
int
@@ -3309,31 +3202,24 @@ ProcGetScreenSaver(ClientPtr client) rep.preferBlanking = ScreenSaverBlanking;
rep.allowExposures = ScreenSaverAllowExposures;
WriteReplyToClient(client, sizeof(xGetScreenSaverReply), &rep);
- return (client->noClientException);
+ return Success;
}
int
ProcChangeHosts(ClientPtr client)
{
REQUEST(xChangeHostsReq);
- int result;
REQUEST_FIXED_SIZE(xChangeHostsReq, stuff->hostLength);
if(stuff->mode == HostInsert)
- result = AddHost(client, (int)stuff->hostFamily,
+ return AddHost(client, (int)stuff->hostFamily,
stuff->hostLength, (pointer)&stuff[1]);
- else if (stuff->mode == HostDelete)
- result = RemoveHost(client, (int)stuff->hostFamily,
+ if (stuff->mode == HostDelete)
+ return RemoveHost(client, (int)stuff->hostFamily,
stuff->hostLength, (pointer)&stuff[1]);
- else
- {
- client->errorValue = stuff->mode;
- return BadValue;
- }
- if (!result)
- result = client->noClientException;
- return (result);
+ client->errorValue = stuff->mode;
+ return BadValue;
}
int
@@ -3364,14 +3250,13 @@ ProcListHosts(ClientPtr client) client->pSwapReplyFunc = (ReplySwapPtr) SLHostsExtend;
WriteSwappedDataToClient(client, len, pdata);
}
- xfree(pdata);
- return (client->noClientException);
+ free(pdata);
+ return Success;
}
int
ProcChangeAccessControl(ClientPtr client)
{
- int result;
REQUEST(xSetAccessControlReq);
REQUEST_SIZE_MATCH(xSetAccessControlReq);
@@ -3380,10 +3265,7 @@ ProcChangeAccessControl(ClientPtr client) client->errorValue = stuff->mode;
return BadValue;
}
- result = ChangeAccessControl(client, stuff->mode == EnableAccess);
- if (!result)
- result = client->noClientException;
- return (result);
+ return ChangeAccessControl(client, stuff->mode == EnableAccess);
}
/*********************
@@ -3419,7 +3301,7 @@ ProcKillClient(ClientPtr client) if (stuff->id == AllTemporary)
{
CloseDownRetainedResources();
- return (client->noClientException);
+ return Success;
}
rc = dixLookupClient(&killclient, stuff->id, client, DixDestroyAccess);
@@ -3434,7 +3316,7 @@ ProcKillClient(ClientPtr client) isItTimeToYield = TRUE;
return (Success);
}
- return (client->noClientException);
+ return Success;
}
else
return rc;
@@ -3446,8 +3328,7 @@ ProcSetFontPath(ClientPtr client) unsigned char *ptr;
unsigned long nbytes, total;
long nfonts;
- int n, result;
- int error;
+ int n;
REQUEST(xSetFontPathReq);
REQUEST_AT_LEAST_SIZE(xSetFontPathReq);
@@ -3465,14 +3346,7 @@ ProcSetFontPath(ClientPtr client) }
if (total >= 4)
return(BadLength);
- result = SetFontPath(client, stuff->nFonts, (unsigned char *)&stuff[1],
- &error);
- if (!result)
- {
- result = client->noClientException;
- client->errorValue = error;
- }
- return (result);
+ return SetFontPath(client, stuff->nFonts, (unsigned char *)&stuff[1]);
}
int
@@ -3496,7 +3370,7 @@ ProcGetFontPath(ClientPtr client) WriteReplyToClient(client, sizeof(xGetFontPathReply), &reply);
if (stringLens || numpaths)
(void)WriteToClient(client, stringLens + numpaths, (char *)bufferStart);
- return(client->noClientException);
+ return Success;
}
int
@@ -3515,7 +3389,7 @@ ProcChangeCloseDownMode(ClientPtr client) (stuff->mode == RetainTemporary))
{
client->closeDownMode = stuff->mode;
- return (client->noClientException);
+ return Success;
}
else
{
@@ -3540,7 +3414,7 @@ int ProcForceScreenSaver(ClientPtr client) rc = dixSaveScreens(client, SCREEN_SAVER_FORCER, (int)stuff->mode);
if (rc != Success)
return rc;
- return client->noClientException;
+ return Success;
}
int ProcNoOperation(ClientPtr client)
@@ -3548,7 +3422,7 @@ int ProcNoOperation(ClientPtr client) REQUEST_AT_LEAST_SIZE(xReq);
/* noop -- don't do anything */
- return(client->noClientException);
+ return Success;
}
void
@@ -3660,7 +3534,7 @@ CloseDownClient(ClientPtr client) clients[client->index] = NullClient;
SmartLastClient = NullClient;
dixFreePrivates(client->devPrivates);
- xfree(client);
+ free(client);
while (!clients[currentMaxClients-1])
currentMaxClients--;
@@ -3709,13 +3583,13 @@ ClientPtr NextAvailableClient(pointer ospriv) i = nextFreeClientID;
if (i == MAXCLIENTS)
return (ClientPtr)NULL;
- clients[i] = client = xalloc(sizeof(ClientRec));
+ clients[i] = client = malloc(sizeof(ClientRec));
if (!client)
return (ClientPtr)NULL;
InitClient(client, i, ospriv);
if (!InitClientResources(client))
{
- xfree(client);
+ free(client);
return (ClientPtr)NULL;
}
data.reqType = 1;
@@ -3723,7 +3597,7 @@ ClientPtr NextAvailableClient(pointer ospriv) if (!InsertFakeRequest(client, (char *)&data, sz_xReq))
{
FreeClientResources(client);
- xfree(client);
+ free(client);
return (ClientPtr)NULL;
}
if (i == currentMaxClients)
@@ -3766,7 +3640,7 @@ ProcInitialConnection(ClientPtr client) swaps(&stuff->length, whichbyte);
}
ResetCurrentRequest(client);
- return (client->noClientException);
+ return Success;
}
static int
@@ -3863,7 +3737,7 @@ SendConnSetup(ClientPtr client, char *reason) clientinfo.setup = (xConnSetup *)lConnectionInfo;
CallCallbacks((&ClientStateCallback), (pointer)&clientinfo);
}
- return (client->noClientException);
+ return Success;
}
int
@@ -3897,7 +3771,7 @@ ProcEstablishConnection(ClientPtr client) client->clientState = ClientStateCheckedSecurity;
else if (client->clientState != ClientStateAuthenticating)
return(SendConnSetup(client, reason));
- return(client->noClientException);
+ return Success;
}
void
@@ -4026,7 +3900,7 @@ AddScreen( if (i == MAXSCREENS)
return -1;
- pScreen = (ScreenPtr) xcalloc(1, sizeof(ScreenRec));
+ pScreen = (ScreenPtr) calloc(1, sizeof(ScreenRec));
if (!pScreen)
return -1;
@@ -4085,7 +3959,7 @@ AddScreen( if (!(*pfnInit)(i, pScreen, argc, argv))
{
dixFreePrivates(pScreen->devPrivates);
- xfree(pScreen);
+ free(pScreen);
screenInfo.numScreens--;
return -1;
}
diff --git a/xorg-server/dix/dixfonts.c b/xorg-server/dix/dixfonts.c index 8dec11d92..a53106e8e 100644 --- a/xorg-server/dix/dixfonts.c +++ b/xorg-server/dix/dixfonts.c @@ -168,7 +168,7 @@ QueueFontWakeup(FontPathElementPtr fpe) }
if (num_slept_fpes == size_slept_fpes) {
new = (FontPathElementPtr *)
- xrealloc(slept_fpes,
+ realloc(slept_fpes,
sizeof(FontPathElementPtr) * (size_slept_fpes + 4));
if (!new)
return;
@@ -224,8 +224,8 @@ FreeFPE (FontPathElementPtr fpe) fpe->refcount--;
if (fpe->refcount == 0) {
(*fpe_functions[fpe->type].free_fpe) (fpe);
- xfree(fpe->name);
- xfree(fpe);
+ free(fpe->name);
+ free(fpe);
}
}
@@ -299,7 +299,7 @@ doOpenFont(ClientPtr client, OFclosurePtr c) if (err == FontNameAlias && alias) {
newlen = strlen(alias);
- newname = (char *) xrealloc(c->fontname, newlen);
+ newname = (char *) realloc(c->fontname, newlen);
if (!newname) {
err = AllocError;
break;
@@ -380,9 +380,9 @@ bail: for (i = 0; i < c->num_fpes; i++) {
FreeFPE(c->fpe_list[i]);
}
- xfree(c->fpe_list);
- xfree(c->fontname);
- xfree(c);
+ free(c->fpe_list);
+ free(c->fontname);
+ free(c);
return TRUE;
}
@@ -395,11 +395,11 @@ OpenFont(ClientPtr client, XID fid, Mask flags, unsigned lenfname, char *pfontna #ifdef FONTDEBUG
char *f;
- f = xalloc(lenfname + 1);
+ f = malloc(lenfname + 1);
memmove(f, pfontname, lenfname);
f[lenfname] = '\0';
ErrorF("[dix] OpenFont: fontname is \"%s\"\n", f);
- xfree(f);
+ free(f);
#endif
if (!lenfname || lenfname > XLFDMAXFONTNAMELEN)
return BadName;
@@ -432,24 +432,24 @@ OpenFont(ClientPtr client, XID fid, Mask flags, unsigned lenfname, char *pfontna return Success;
}
}
- c = xalloc(sizeof(OFclosureRec));
+ c = malloc(sizeof(OFclosureRec));
if (!c)
return BadAlloc;
- c->fontname = xalloc(lenfname);
+ c->fontname = malloc(lenfname);
c->origFontName = pfontname;
c->origFontNameLen = lenfname;
if (!c->fontname) {
- xfree(c);
+ free(c);
return BadAlloc;
}
/*
* copy the current FPE list, so that if it gets changed by another client
* while we're blocking, the request still appears atomic
*/
- c->fpe_list = xalloc(sizeof(FontPathElementPtr) * num_fpes);
+ c->fpe_list = malloc(sizeof(FontPathElementPtr) * num_fpes);
if (!c->fpe_list) {
- xfree(c->fontname);
- xfree(c);
+ free(c->fontname);
+ free(c);
return BadAlloc;
}
memmove(c->fontname, pfontname, lenfname);
@@ -679,8 +679,8 @@ doListFontsAndAliases(ClientPtr client, LFclosurePtr c) return TRUE;
}
if (err == FontNameAlias) {
- if (resolved) xfree(resolved);
- resolved = xalloc(resolvedlen + 1);
+ if (resolved) free(resolved);
+ resolved = malloc(resolvedlen + 1);
if (resolved)
memmove(resolved, tmpname, resolvedlen + 1);
}
@@ -734,8 +734,8 @@ doListFontsAndAliases(ClientPtr client, LFclosurePtr c) c->saved = c->current;
c->haveSaved = TRUE;
if (c->savedName)
- xfree(c->savedName);
- c->savedName = xalloc(namelen + 1);
+ free(c->savedName);
+ c->savedName = malloc(namelen + 1);
if (c->savedName)
memmove(c->savedName, name, namelen + 1);
c->savedNameLen = namelen;
@@ -797,7 +797,7 @@ finish: reply.nFonts = nnames;
reply.sequenceNumber = client->sequence;
- bufptr = bufferStart = xalloc(reply.length << 2);
+ bufptr = bufferStart = malloc(reply.length << 2);
if (!bufptr && reply.length) {
SendErrorToClient(client, X_ListFonts, 0, 0, BadAlloc);
@@ -822,18 +822,18 @@ finish: client->pSwapReplyFunc = ReplySwapVector[X_ListFonts];
WriteSwappedDataToClient(client, sizeof(xListFontsReply), &reply);
(void) WriteToClient(client, stringLens + nnames, bufferStart);
- xfree(bufferStart);
+ free(bufferStart);
bail:
if (c->slept)
ClientWakeup(client);
for (i = 0; i < c->num_fpes; i++)
FreeFPE(c->fpe_list[i]);
- xfree(c->fpe_list);
- if (c->savedName) xfree(c->savedName);
+ free(c->fpe_list);
+ if (c->savedName) free(c->savedName);
FreeFontNames(names);
- xfree(c);
- if (resolved) xfree(resolved);
+ free(c);
+ if (resolved) free(resolved);
return TRUE;
}
@@ -857,18 +857,18 @@ ListFonts(ClientPtr client, unsigned char *pattern, unsigned length, if (i != Success)
return i;
- if (!(c = xalloc(sizeof *c)))
+ if (!(c = malloc(sizeof *c)))
return BadAlloc;
- c->fpe_list = xalloc(sizeof(FontPathElementPtr) * num_fpes);
+ c->fpe_list = malloc(sizeof(FontPathElementPtr) * num_fpes);
if (!c->fpe_list) {
- xfree(c);
+ free(c);
return BadAlloc;
}
c->names = MakeFontNamesRecord(max_names < 100 ? max_names : 100);
if (!c->names)
{
- xfree(c->fpe_list);
- xfree(c);
+ free(c->fpe_list);
+ free(c);
return BadAlloc;
}
memmove( c->current.pattern, pattern, length);
@@ -997,8 +997,8 @@ doListFontsWithInfo(ClientPtr client, LFWIclosurePtr c) c->haveSaved = TRUE;
c->savedNumFonts = numFonts;
if (c->savedName)
- xfree(c->savedName);
- c->savedName = xalloc(namelen + 1);
+ free(c->savedName);
+ c->savedName = malloc(namelen + 1);
if (c->savedName)
memmove(c->savedName, name, namelen + 1);
aliascount = 20;
@@ -1041,7 +1041,7 @@ doListFontsWithInfo(ClientPtr client, LFWIclosurePtr c) reply = c->reply;
if (c->length < length)
{
- reply = (xListFontsWithInfoReply *) xrealloc(c->reply, length);
+ reply = (xListFontsWithInfoReply *) realloc(c->reply, length);
if (!reply)
{
err = AllocError;
@@ -1087,8 +1087,8 @@ doListFontsWithInfo(ClientPtr client, LFWIclosurePtr c) (void) WriteToClient(client, namelen, name);
if (pFontInfo == &fontInfo)
{
- xfree(fontInfo.props);
- xfree(fontInfo.isStringProp);
+ free(fontInfo.props);
+ free(fontInfo.isStringProp);
}
--c->current.max_names;
}
@@ -1106,10 +1106,10 @@ bail: ClientWakeup(client);
for (i = 0; i < c->num_fpes; i++)
FreeFPE(c->fpe_list[i]);
- xfree(c->reply);
- xfree(c->fpe_list);
- if (c->savedName) xfree(c->savedName);
- xfree(c);
+ free(c->reply);
+ free(c->fpe_list);
+ if (c->savedName) free(c->savedName);
+ free(c);
return TRUE;
}
@@ -1133,12 +1133,12 @@ StartListFontsWithInfo(ClientPtr client, int length, unsigned char *pattern, if (i != Success)
return i;
- if (!(c = xalloc(sizeof *c)))
+ if (!(c = malloc(sizeof *c)))
goto badAlloc;
- c->fpe_list = xalloc(sizeof(FontPathElementPtr) * num_fpes);
+ c->fpe_list = malloc(sizeof(FontPathElementPtr) * num_fpes);
if (!c->fpe_list)
{
- xfree(c);
+ free(c);
goto badAlloc;
}
memmove(c->current.pattern, pattern, length);
@@ -1168,7 +1168,7 @@ badAlloc: #define TextEltHeader 2
#define FontShiftSize 5
-static XID clearGC[] = { CT_NONE };
+static ChangeGCVal clearGC[] = { NullPixmap };
#define clearGCmask (GCClipMask)
int
@@ -1237,7 +1237,7 @@ doPolyText(ClientPtr client, PTclosurePtr c) | ((Font)*(c->pElt+2)) << 16
| ((Font)*(c->pElt+1)) << 24;
err = dixLookupResourceByType((pointer *)&pFont, fid, RT_FONT,
- client, DixReadAccess);
+ client, DixUseAccess);
if (err != Success)
{
err = (err == BadValue) ? BadFont : err;
@@ -1263,7 +1263,9 @@ doPolyText(ClientPtr client, PTclosurePtr c) {
if (pFont != c->pGC->font && c->pDraw)
{
- ChangeGC( c->pGC, GCFont, &fid);
+ ChangeGCVal val;
+ val.ptr = pFont;
+ ChangeGC(NullClient, c->pGC, GCFont, &val);
ValidateGC(c->pDraw, c->pGC);
if (c->reqType == X_PolyText8)
c->polyText = (PolyTextPtr) c->pGC->ops->PolyText8;
@@ -1322,7 +1324,7 @@ doPolyText(ClientPtr client, PTclosurePtr c) /* Step 1 */
/* Allocate a malloc'd closure structure to replace
the local one we were passed */
- new_closure = xalloc(sizeof(PTclosureRec));
+ new_closure = malloc(sizeof(PTclosureRec));
if (!new_closure)
{
err = BadAlloc;
@@ -1332,10 +1334,10 @@ doPolyText(ClientPtr client, PTclosurePtr c) c = new_closure;
len = c->endReq - c->pElt;
- c->data = xalloc(len);
+ c->data = malloc(len);
if (!c->data)
{
- xfree(c);
+ free(c);
err = BadAlloc;
goto bail;
}
@@ -1348,8 +1350,8 @@ doPolyText(ClientPtr client, PTclosurePtr c) pGC = GetScratchGC(c->pGC->depth, c->pGC->pScreen);
if (!pGC)
{
- xfree(c->data);
- xfree(c);
+ free(c->data);
+ free(c);
err = BadAlloc;
goto bail;
}
@@ -1364,8 +1366,8 @@ doPolyText(ClientPtr client, PTclosurePtr c) Success)
{
FreeScratchGC(pGC);
- xfree(c->data);
- xfree(c);
+ free(c->data);
+ free(c);
err = BadAlloc;
goto bail;
}
@@ -1406,7 +1408,9 @@ bail: /* Step 4 */
if (pFont != origGC->font)
{
- ChangeGC(origGC, GCFont, &fid);
+ ChangeGCVal val;
+ val.ptr = pFont;
+ ChangeGC(NullClient, origGC, GCFont, &val);
ValidateGC(c->pDraw, origGC);
}
@@ -1425,15 +1429,15 @@ bail: if (c->slept)
{
ClientWakeup(c->client);
- ChangeGC(c->pGC, clearGCmask, clearGC);
+ ChangeGC(NullClient, c->pGC, clearGCmask, clearGC);
/* Unreference the font from the scratch GC */
CloseFont(c->pGC->font, (Font)0);
c->pGC->font = NullFont;
FreeScratchGC(c->pGC);
- xfree(c->data);
- xfree(c);
+ free(c->data);
+ free(c);
}
return TRUE;
}
@@ -1515,7 +1519,7 @@ doImageText(ClientPtr client, ITclosurePtr c) in doPolyText, but much simpler because the
request structure is much simpler. */
- new_closure = xalloc(sizeof(ITclosureRec));
+ new_closure = malloc(sizeof(ITclosureRec));
if (!new_closure)
{
err = BadAlloc;
@@ -1524,10 +1528,10 @@ doImageText(ClientPtr client, ITclosurePtr c) *new_closure = *c;
c = new_closure;
- data = xalloc(c->nChars * c->itemSize);
+ data = malloc(c->nChars * c->itemSize);
if (!data)
{
- xfree(c);
+ free(c);
err = BadAlloc;
goto bail;
}
@@ -1537,8 +1541,8 @@ doImageText(ClientPtr client, ITclosurePtr c) pGC = GetScratchGC(c->pGC->depth, c->pGC->pScreen);
if (!pGC)
{
- xfree(c->data);
- xfree(c);
+ free(c->data);
+ free(c);
err = BadAlloc;
goto bail;
}
@@ -1550,8 +1554,8 @@ doImageText(ClientPtr client, ITclosurePtr c) GCClipYOrigin | GCClipMask)) != Success)
{
FreeScratchGC(pGC);
- xfree(c->data);
- xfree(c);
+ free(c->data);
+ free(c);
err = BadAlloc;
goto bail;
}
@@ -1582,15 +1586,15 @@ bail: if (c->slept)
{
ClientWakeup(c->client);
- ChangeGC(c->pGC, clearGCmask, clearGC);
+ ChangeGC(NullClient, c->pGC, clearGCmask, clearGC);
/* Unreference the font from the scratch GC */
CloseFont(c->pGC->font, (Font)0);
c->pGC->font = NullFont;
FreeScratchGC(c->pGC);
- xfree(c->data);
- xfree(c);
+ free(c->data);
+ free(c);
}
return TRUE;
}
@@ -1661,7 +1665,7 @@ FreeFontPath(FontPathElementPtr *list, int n, Bool force) }
FreeFPE(list[i]);
}
- xfree(list);
+ free(list);
}
static FontPathElementPtr
@@ -1688,7 +1692,7 @@ SetFontPathElements(int npaths, unsigned char *paths, int *bad, Bool persist) unsigned char *cp = paths;
FontPathElementPtr fpe = NULL, *fplist;
- fplist = xalloc(sizeof(FontPathElementPtr) * npaths);
+ fplist = malloc(sizeof(FontPathElementPtr) * npaths);
if (!fplist) {
*bad = 0;
return BadAlloc;
@@ -1729,16 +1733,16 @@ SetFontPathElements(int npaths, unsigned char *paths, int *bad, Bool persist) /* if error or can't do it, act like it's a new one */
if (!fpe)
{
- fpe = xalloc(sizeof(FontPathElementRec));
+ fpe = malloc(sizeof(FontPathElementRec));
if (!fpe)
{
err = BadAlloc;
goto bail;
}
- fpe->name = xalloc(len + 1);
+ fpe->name = malloc(len + 1);
if (!fpe->name)
{
- xfree(fpe);
+ free(fpe);
err = BadAlloc;
goto bail;
}
@@ -1759,8 +1763,8 @@ SetFontPathElements(int npaths, unsigned char *paths, int *bad, Bool persist) ErrorF("[dix] Could not init font path element %s, removing from list!\n",
fpe->name);
}
- xfree (fpe->name);
- xfree (fpe);
+ free(fpe->name);
+ free(fpe);
}
}
}
@@ -1787,13 +1791,12 @@ bail: *bad = i;
while (--valid_paths >= 0)
FreeFPE(fplist[valid_paths]);
- xfree(fplist);
+ free(fplist);
return FontToXError(err);
}
-/* XXX -- do we need to pass error down to each renderer? */
int
-SetFontPath(ClientPtr client, int npaths, unsigned char *paths, int *error)
+SetFontPath(ClientPtr client, int npaths, unsigned char *paths)
{
int err = XaceHook(XACE_SERVER_ACCESS, client, DixManageAccess);
if (err != Success)
@@ -1803,7 +1806,9 @@ SetFontPath(ClientPtr client, int npaths, unsigned char *paths, int *error) if (SetDefaultFontPath(defaultFontPath) != Success)
return BadValue;
} else {
- err = SetFontPathElements(npaths, paths, error, FALSE);
+ int bad;
+ err = SetFontPathElements(npaths, paths, &bad, FALSE);
+ client->errorValue = bad;
}
return err;
}
@@ -1838,14 +1843,14 @@ SetDefaultFontPath(char *path) if (!start) {
temp_path = Xprintf("%s%sbuilt-ins", path, *path ? "," : "");
} else {
- temp_path = Xstrdup(path);
+ temp_path = xstrdup(path);
}
if (!temp_path)
return BadAlloc;
/* get enough for string, plus values -- use up commas */
len = strlen(temp_path) + 1;
- nump = cp = newpath = xalloc(len);
+ nump = cp = newpath = malloc(len);
if (!newpath)
return BadAlloc;
pp = (unsigned char *) temp_path;
@@ -1866,8 +1871,8 @@ SetDefaultFontPath(char *path) err = SetFontPathElements(num, newpath, &bad, TRUE);
- xfree(newpath);
- xfree(temp_path);
+ free(newpath);
+ free(temp_path);
return err;
}
@@ -1889,7 +1894,7 @@ GetFontPath(ClientPtr client, int *count, int *length, unsigned char **result) fpe = font_path_elements[i];
len += fpe->name_length + 1;
}
- font_path_string = (unsigned char *) xrealloc(font_path_string, len);
+ font_path_string = (unsigned char *) realloc(font_path_string, len);
if (!font_path_string)
return BadAlloc;
@@ -1990,7 +1995,7 @@ RegisterFPEFunctions(NameCheckFunc name_func, FPEFunctions *new;
/* grow the list */
- new = (FPEFunctions *) xrealloc(fpe_functions,
+ new = (FPEFunctions *) realloc(fpe_functions,
(num_fpe_types + 1) * sizeof(FPEFunctions));
if (!new)
return -1;
@@ -2029,7 +2034,7 @@ FreeFonts(void) FreeFontPath(font_path_elements, num_fpes, TRUE);
font_path_elements = 0;
num_fpes = 0;
- xfree(fpe_functions);
+ free(fpe_functions);
num_fpe_types = 0;
fpe_functions = (FPEFunctions *) 0;
}
diff --git a/xorg-server/dix/dixutils.c b/xorg-server/dix/dixutils.c index 4b84a446b..9d5eb78eb 100644 --- a/xorg-server/dix/dixutils.c +++ b/xorg-server/dix/dixutils.c @@ -300,7 +300,7 @@ AlterSaveSetForClient(ClientPtr client, WindowPtr pWin, unsigned mode, if (j < numnow) /* duplicate */
return(Success);
numnow++;
- pTmp = (SaveSetElt *)xrealloc(client->saveSet, sizeof(*pTmp) * numnow);
+ pTmp = (SaveSetElt *)realloc(client->saveSet, sizeof(*pTmp) * numnow);
if (!pTmp)
return(BadAlloc);
client->saveSet = pTmp;
@@ -320,13 +320,13 @@ AlterSaveSetForClient(ClientPtr client, WindowPtr pWin, unsigned mode, numnow--;
if (numnow)
{
- pTmp = (SaveSetElt *)xrealloc(client->saveSet, sizeof(*pTmp) * numnow);
+ pTmp = (SaveSetElt *)realloc(client->saveSet, sizeof(*pTmp) * numnow);
if (pTmp)
client->saveSet = pTmp;
}
else
{
- xfree(client->saveSet);
+ free(client->saveSet);
client->saveSet = (SaveSetElt *)NULL;
}
client->numSaved = numnow;
@@ -453,7 +453,7 @@ RegisterBlockAndWakeupHandlers (BlockHandlerProcPtr blockHandler, if (numHandlers >= sizeHandlers)
{
- new = (BlockHandlerPtr) xrealloc (handlers, (numHandlers + 1) *
+ new = (BlockHandlerPtr) realloc(handlers, (numHandlers + 1) *
sizeof (BlockHandlerRec));
if (!new)
return FALSE;
@@ -498,7 +498,7 @@ RemoveBlockAndWakeupHandlers (BlockHandlerProcPtr blockHandler, void
InitBlockAndWakeupHandlers (void)
{
- xfree (handlers);
+ free(handlers);
handlers = (BlockHandlerPtr) 0;
numHandlers = 0;
sizeHandlers = 0;
@@ -530,7 +530,7 @@ ProcessWorkQueue(void) {
/* remove q from the list */
*p = q->next; /* don't fetch until after func called */
- xfree (q);
+ free(q);
}
else
{
@@ -553,7 +553,7 @@ ProcessWorkQueueZombies(void) (void) (*q->function) (q->client, q->closure);
/* remove q from the list */
*p = q->next; /* don't fetch until after func called */
- xfree (q);
+ free(q);
}
else
{
@@ -570,7 +570,7 @@ QueueWorkProc ( {
WorkQueuePtr q;
- q = xalloc (sizeof *q);
+ q = malloc(sizeof *q);
if (!q)
return FALSE;
q->function = function;
@@ -604,7 +604,7 @@ ClientSleep (ClientPtr client, ClientSleepProcPtr function, pointer closure) {
SleepQueuePtr q;
- q = xalloc (sizeof *q);
+ q = malloc(sizeof *q);
if (!q)
return FALSE;
@@ -641,7 +641,7 @@ ClientWakeup (ClientPtr client) if (q->client == client)
{
*prev = q->next;
- xfree (q);
+ free(q);
if (client->clientGone)
/* Oops -- new zombie cleanup code ensures this only
* happens from inside CloseDownClient; don't want to
@@ -684,7 +684,7 @@ _AddCallback( {
CallbackPtr cbr;
- cbr = xalloc(sizeof(CallbackRec));
+ cbr = malloc(sizeof(CallbackRec));
if (!cbr)
return FALSE;
cbr->proc = callback;
@@ -724,7 +724,7 @@ _DeleteCallback( cbl->list = cbr->next;
else
pcbr->next = cbr->next;
- xfree(cbr);
+ free(cbr);
}
return TRUE;
}
@@ -769,12 +769,12 @@ _CallCallbacks( if (pcbr)
{
cbr = cbr->next;
- xfree(pcbr->next);
+ free(pcbr->next);
pcbr->next = cbr;
} else
{
cbr = cbr->next;
- xfree(cbl->list);
+ free(cbl->list);
cbl->list = cbr;
}
cbl->numDeleted--;
@@ -814,9 +814,9 @@ _DeleteCallbackList( for (cbr = cbl->list; cbr != NULL; cbr = nextcbr)
{
nextcbr = cbr->next;
- xfree(cbr);
+ free(cbr);
}
- xfree(cbl);
+ free(cbl);
*pcbl = NULL;
}
@@ -827,7 +827,7 @@ CreateCallbackList(CallbackListPtr *pcbl) int i;
if (!pcbl) return FALSE;
- cbl = xalloc(sizeof(CallbackListRec));
+ cbl = malloc(sizeof(CallbackListRec));
if (!cbl) return FALSE;
cbl->inCallback = 0;
cbl->deleted = FALSE;
@@ -895,7 +895,7 @@ InitCallbackManager(void) {
DeleteCallbackList(listsToCleanup[i]);
}
- if (listsToCleanup) xfree(listsToCleanup);
+ if (listsToCleanup) free(listsToCleanup);
numCallbackListsToCleanup = 0;
listsToCleanup = NULL;
diff --git a/xorg-server/dix/eventconvert.c b/xorg-server/dix/eventconvert.c index 878dba576..aa72708ed 100644 --- a/xorg-server/dix/eventconvert.c +++ b/xorg-server/dix/eventconvert.c @@ -1,719 +1,719 @@ -/* - * Copyright © 2009 Red Hat, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - */ - -/** - * @file eventconvert.c - * This file contains event conversion routines from InternalEvent to the - * matching protocol events. - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <stdint.h> -#include <X11/X.h> -#include <X11/extensions/XIproto.h> -#include <X11/extensions/XI2proto.h> -#include <X11/extensions/XI.h> -#include <X11/extensions/XI2.h> - -#include "dix.h" -#include "inputstr.h" -#include "misc.h" -#include "eventstr.h" -#include "exglobals.h" -#include "eventconvert.h" -#include "xiquerydevice.h" -#include "xkbsrv.h" - - -static int countValuators(DeviceEvent *ev, int *first); -static int getValuatorEvents(DeviceEvent *ev, deviceValuator *xv); -static int eventToKeyButtonPointer(DeviceEvent *ev, xEvent **xi, int *count); -static int eventToDeviceChanged(DeviceChangedEvent *ev, xEvent **dcce); -static int eventToDeviceEvent(DeviceEvent *ev, xEvent **xi); -static int eventToRawEvent(RawDeviceEvent *ev, xEvent **xi); - -/* Do not use, read comments below */ -BOOL EventIsKeyRepeat(xEvent *event); - -/** - * Hack to allow detectable autorepeat for core and XI1 events. - * The sequence number is unused until we send to the client and can be - * misused to store data. More or less, anyway. - * - * Do not use this. It may change any time without warning, eat your babies - * and piss on your cat. - */ -static void -EventSetKeyRepeatFlag(xEvent *event, BOOL on) -{ - event->u.u.sequenceNumber = on; -} - -/** - * Check if the event was marked as a repeat event before. - * NOTE: This is a nasty hack and should NOT be used by anyone else but - * TryClientEvents. - */ -BOOL -EventIsKeyRepeat(xEvent *event) -{ - return !!event->u.u.sequenceNumber; -} - -/** - * Convert the given event to the respective core event. - * - * Return values: - * Success ... core contains the matching core event. - * BadValue .. One or more values in the internal event are invalid. - * BadMatch .. The event has no core equivalent. - * - * @param[in] event The event to convert into a core event. - * @param[in] core The memory location to store the core event at. - * @return Success or the matching error code. - */ -int -EventToCore(InternalEvent *event, xEvent *core) -{ - switch(event->any.type) - { - case ET_Motion: - case ET_ButtonPress: - case ET_ButtonRelease: - case ET_KeyPress: - case ET_KeyRelease: - { - DeviceEvent *e = &event->device_event; - - if (e->detail.key > 0xFF) - return BadMatch; - - memset(core, 0, sizeof(xEvent)); - core->u.u.type = e->type - ET_KeyPress + KeyPress; - core->u.u.detail = e->detail.key & 0xFF; - core->u.keyButtonPointer.time = e->time; - core->u.keyButtonPointer.rootX = e->root_x; - core->u.keyButtonPointer.rootY = e->root_y; - core->u.keyButtonPointer.state = e->corestate; - core->u.keyButtonPointer.root = e->root; - EventSetKeyRepeatFlag(core, (e->type == ET_KeyPress && e->key_repeat)); - } - break; - case ET_ProximityIn: - case ET_ProximityOut: - case ET_RawKeyPress: - case ET_RawKeyRelease: - case ET_RawButtonPress: - case ET_RawButtonRelease: - case ET_RawMotion: - return BadMatch; - default: - /* XXX: */ - ErrorF("[dix] EventToCore: Not implemented yet \n"); - return BadImplementation; - } - return Success; -} - -/** - * Convert the given event to the respective XI 1.x event and store it in - * xi. xi is allocated on demand and must be freed by the caller. - * count returns the number of events in xi. If count is 1, and the type of - * xi is GenericEvent, then xi may be larger than 32 bytes. - * - * Return values: - * Success ... core contains the matching core event. - * BadValue .. One or more values in the internal event are invalid. - * BadMatch .. The event has no XI equivalent. - * - * @param[in] ev The event to convert into an XI 1 event. - * @param[out] xi Future memory location for the XI event. - * @param[out] count Number of elements in xi. - * - * @return Success or the error code. - */ -int -EventToXI(InternalEvent *ev, xEvent **xi, int *count) -{ - switch (ev->any.type) - { - case ET_Motion: - case ET_ButtonPress: - case ET_ButtonRelease: - case ET_KeyPress: - case ET_KeyRelease: - case ET_ProximityIn: - case ET_ProximityOut: - return eventToKeyButtonPointer(&ev->device_event, xi, count); - case ET_DeviceChanged: - case ET_RawKeyPress: - case ET_RawKeyRelease: - case ET_RawButtonPress: - case ET_RawButtonRelease: - case ET_RawMotion: - *count = 0; - *xi = NULL; - return BadMatch; - default: - break; - } - - ErrorF("[dix] EventToXI: Not implemented for %d \n", ev->any.type); - return BadImplementation; -} - -/** - * Convert the given event to the respective XI 2.x event and store it in xi. - * xi is allocated on demand and must be freed by the caller. - * - * Return values: - * Success ... core contains the matching core event. - * BadValue .. One or more values in the internal event are invalid. - * BadMatch .. The event has no XI2 equivalent. - * - * @param[in] ev The event to convert into an XI2 event - * @param[out] xi Future memory location for the XI2 event. - * - * @return Success or the error code. - */ -int -EventToXI2(InternalEvent *ev, xEvent **xi) -{ - switch (ev->any.type) - { - /* Enter/FocusIn are for grabs. We don't need an actual event, since - * the real events delivered are triggered elsewhere */ - case ET_Enter: - case ET_FocusIn: - *xi = NULL; - return Success; - case ET_Motion: - case ET_ButtonPress: - case ET_ButtonRelease: - case ET_KeyPress: - case ET_KeyRelease: - return eventToDeviceEvent(&ev->device_event, xi); - case ET_ProximityIn: - case ET_ProximityOut: - *xi = NULL; - return BadMatch; - case ET_DeviceChanged: - return eventToDeviceChanged(&ev->changed_event, xi); - case ET_RawKeyPress: - case ET_RawKeyRelease: - case ET_RawButtonPress: - case ET_RawButtonRelease: - case ET_RawMotion: - return eventToRawEvent(&ev->raw_event, xi); - default: - break; - } - - ErrorF("[dix] EventToXI2: Not implemented for %d \n", ev->any.type); - return BadImplementation; -} - -static int -eventToKeyButtonPointer(DeviceEvent *ev, xEvent **xi, int *count) -{ - int num_events; - int first; /* dummy */ - deviceKeyButtonPointer *kbp; - - /* Sorry, XI 1.x protocol restrictions. */ - if (ev->detail.button > 0xFF || ev->deviceid >= 0x80) - { - *count = 0; - return Success; - } - - num_events = (countValuators(ev, &first) + 5)/6; /* valuator ev */ - num_events++; /* the actual event event */ - - *xi = xcalloc(num_events, sizeof(xEvent)); - if (!(*xi)) - { - return BadAlloc; - } - - kbp = (deviceKeyButtonPointer*)(*xi); - kbp->detail = ev->detail.button; - kbp->time = ev->time; - kbp->root = ev->root; - kbp->root_x = ev->root_x; - kbp->root_y = ev->root_y; - kbp->deviceid = ev->deviceid; - kbp->state = ev->corestate; - EventSetKeyRepeatFlag((xEvent*)kbp, - (ev->type == ET_KeyPress && ev->key_repeat)); - - if (num_events > 1) - kbp->deviceid |= MORE_EVENTS; - - switch(ev->type) - { - case ET_Motion: kbp->type = DeviceMotionNotify; break; - case ET_ButtonPress: kbp->type = DeviceButtonPress; break; - case ET_ButtonRelease: kbp->type = DeviceButtonRelease; break; - case ET_KeyPress: kbp->type = DeviceKeyPress; break; - case ET_KeyRelease: kbp->type = DeviceKeyRelease; break; - case ET_ProximityIn: kbp->type = ProximityIn; break; - case ET_ProximityOut: kbp->type = ProximityOut; break; - default: - break; - } - - if (num_events > 1) - { - getValuatorEvents(ev, (deviceValuator*)(kbp + 1)); - } - - *count = num_events; - return Success; -} - - -/** - * Set first to the first valuator in the event ev and return the number of - * valuators from first to the last set valuator. - */ -static int -countValuators(DeviceEvent *ev, int *first) -{ - int first_valuator = -1, last_valuator = -1, num_valuators = 0; - int i; - - for (i = 0; i < sizeof(ev->valuators.mask) * 8; i++) - { - if (BitIsOn(ev->valuators.mask, i)) - { - if (first_valuator == -1) - first_valuator = i; - last_valuator = i; - } - } - - if (first_valuator != -1) - { - num_valuators = last_valuator - first_valuator + 1; - *first = first_valuator; - } - - return num_valuators; -} - -static int -getValuatorEvents(DeviceEvent *ev, deviceValuator *xv) -{ - int i; - int state = 0; - int first_valuator, num_valuators; - - - num_valuators = countValuators(ev, &first_valuator); - if (num_valuators > 0) - { - DeviceIntPtr dev = NULL; - dixLookupDevice(&dev, ev->deviceid, serverClient, DixUseAccess); - /* State needs to be assembled BEFORE the device is updated. */ - state = (dev && dev->key) ? XkbStateFieldFromRec(&dev->key->xkbInfo->state) : 0; - state |= (dev && dev->button) ? (dev->button->state) : 0; - } - - /* FIXME: non-continuous valuator data in internal events*/ - for (i = 0; i < num_valuators; i += 6, xv++) { - xv->type = DeviceValuator; - xv->first_valuator = first_valuator + i; - xv->num_valuators = ((num_valuators - i) > 6) ? 6 : (num_valuators - i); - xv->deviceid = ev->deviceid; - xv->device_state = state; - switch (xv->num_valuators) { - case 6: - xv->valuator5 = ev->valuators.data[xv->first_valuator + 5]; - case 5: - xv->valuator4 = ev->valuators.data[xv->first_valuator + 4]; - case 4: - xv->valuator3 = ev->valuators.data[xv->first_valuator + 3]; - case 3: - xv->valuator2 = ev->valuators.data[xv->first_valuator + 2]; - case 2: - xv->valuator1 = ev->valuators.data[xv->first_valuator + 1]; - case 1: - xv->valuator0 = ev->valuators.data[xv->first_valuator + 0]; - } - - if (i + 6 < num_valuators) - xv->deviceid |= MORE_EVENTS; - } - - return (num_valuators + 5) / 6; -} - - -static int -appendKeyInfo(DeviceChangedEvent *dce, xXIKeyInfo* info) -{ - uint32_t *kc; - int i; - - info->type = XIKeyClass; - info->num_keycodes = dce->keys.max_keycode - dce->keys.min_keycode + 1; - info->length = sizeof(xXIKeyInfo)/4 + info->num_keycodes; - info->sourceid = dce->sourceid; - - kc = (uint32_t*)&info[1]; - for (i = 0; i < info->num_keycodes; i++) - *kc++ = i + dce->keys.min_keycode; - - return info->length * 4; -} - -static int -appendButtonInfo(DeviceChangedEvent *dce, xXIButtonInfo *info) -{ - unsigned char *bits; - int mask_len; - - mask_len = bytes_to_int32(bits_to_bytes(dce->buttons.num_buttons)); - - info->type = XIButtonClass; - info->num_buttons = dce->buttons.num_buttons; - info->length = bytes_to_int32(sizeof(xXIButtonInfo)) + - info->num_buttons + mask_len; - info->sourceid = dce->sourceid; - - bits = (unsigned char*)&info[1]; - memset(bits, 0, mask_len * 4); - /* FIXME: is_down? */ - - bits += mask_len * 4; - memcpy(bits, dce->buttons.names, dce->buttons.num_buttons * sizeof(Atom)); - - return info->length * 4; -} - -static int -appendValuatorInfo(DeviceChangedEvent *dce, xXIValuatorInfo *info, int axisnumber) -{ - info->type = XIValuatorClass; - info->length = sizeof(xXIValuatorInfo)/4; - info->label = dce->valuators[axisnumber].name; - info->min.integral = dce->valuators[axisnumber].min; - info->min.frac = 0; - info->max.integral = dce->valuators[axisnumber].max; - info->max.frac = 0; - /* FIXME: value */ - info->value.integral = 0; - info->value.frac = 0; - info->resolution = dce->valuators[axisnumber].resolution; - info->number = axisnumber; - info->mode = dce->valuators[axisnumber].mode; /* Server doesn't have per-axis mode yet */ - info->sourceid = dce->sourceid; - - return info->length * 4; -} - -static int -eventToDeviceChanged(DeviceChangedEvent *dce, xEvent **xi) -{ - xXIDeviceChangedEvent *dcce; - int len = sizeof(xXIDeviceChangedEvent); - int nkeys; - char *ptr; - - if (dce->buttons.num_buttons) - { - len += sizeof(xXIButtonInfo); - len += dce->buttons.num_buttons * sizeof(Atom); /* button names */ - len += pad_to_int32(bits_to_bytes(dce->buttons.num_buttons)); - } - if (dce->num_valuators) - len += sizeof(xXIValuatorInfo) * dce->num_valuators; - - nkeys = (dce->keys.max_keycode > 0) ? - dce->keys.max_keycode - dce->keys.min_keycode + 1 : 0; - if (nkeys > 0) - { - len += sizeof(xXIKeyInfo); - len += sizeof(CARD32) * nkeys; /* keycodes */ - } - - dcce = xcalloc(1, len); - if (!dcce) - { - ErrorF("[Xi] BadAlloc in SendDeviceChangedEvent.\n"); - return BadAlloc; - } - - dcce->type = GenericEvent; - dcce->extension = IReqCode; - dcce->evtype = XI_DeviceChanged; - dcce->time = dce->time; - dcce->deviceid = dce->deviceid; - dcce->sourceid = dce->sourceid; - dcce->reason = (dce->flags & DEVCHANGE_DEVICE_CHANGE) ? XIDeviceChange : XISlaveSwitch; - dcce->num_classes = 0; - dcce->length = bytes_to_int32(len - sizeof(xEvent)); - - ptr = (char*)&dcce[1]; - if (dce->buttons.num_buttons) - { - dcce->num_classes++; - ptr += appendButtonInfo(dce, (xXIButtonInfo*)ptr); - } - - if (nkeys) - { - dcce->num_classes++; - ptr += appendKeyInfo(dce, (xXIKeyInfo*)ptr); - } - - if (dce->num_valuators) - { - int i; - - dcce->num_classes += dce->num_valuators; - for (i = 0; i < dce->num_valuators; i++) - ptr += appendValuatorInfo(dce, (xXIValuatorInfo*)ptr, i); - } - - *xi = (xEvent*)dcce; - - return Success; -} - -static int count_bits(unsigned char* ptr, int len) -{ - int bits = 0; - unsigned int i; - unsigned char x; - - for (i = 0; i < len; i++) - { - x = ptr[i]; - while(x > 0) - { - bits += (x & 0x1); - x >>= 1; - } - } - return bits; -} - -static int -eventToDeviceEvent(DeviceEvent *ev, xEvent **xi) -{ - int len = sizeof(xXIDeviceEvent); - xXIDeviceEvent *xde; - int i, btlen, vallen; - char *ptr; - FP3232 *axisval; - - /* FIXME: this should just send the buttons we have, not MAX_BUTTONs. Same - * with MAX_VALUATORS below */ - /* btlen is in 4 byte units */ - btlen = bytes_to_int32(bits_to_bytes(MAX_BUTTONS)); - len += btlen * 4; /* buttonmask len */ - - - vallen = count_bits(ev->valuators.mask, sizeof(ev->valuators.mask)/sizeof(ev->valuators.mask[0])); - len += vallen * 2 * sizeof(uint32_t); /* axisvalues */ - vallen = bytes_to_int32(bits_to_bytes(MAX_VALUATORS)); - len += vallen * 4; /* valuators mask */ - - *xi = xcalloc(1, len); - xde = (xXIDeviceEvent*)*xi; - xde->type = GenericEvent; - xde->extension = IReqCode; - xde->evtype = GetXI2Type((InternalEvent*)ev); - xde->time = ev->time; - xde->length = bytes_to_int32(len - sizeof(xEvent)); - xde->detail = ev->detail.button; - xde->root = ev->root; - xde->buttons_len = btlen; - xde->valuators_len = vallen; - xde->deviceid = ev->deviceid; - xde->sourceid = ev->sourceid; - xde->root_x = FP1616(ev->root_x, ev->root_x_frac); - xde->root_y = FP1616(ev->root_y, ev->root_y_frac); - - if (ev->key_repeat) - xde->flags |= XIKeyRepeat; - - xde->mods.base_mods = ev->mods.base; - xde->mods.latched_mods = ev->mods.latched; - xde->mods.locked_mods = ev->mods.locked; - xde->mods.effective_mods = ev->mods.effective; - - xde->group.base_group = ev->group.base; - xde->group.latched_group = ev->group.latched; - xde->group.locked_group = ev->group.locked; - xde->group.effective_group = ev->group.effective; - - ptr = (char*)&xde[1]; - for (i = 0; i < sizeof(ev->buttons) * 8; i++) - { - if (BitIsOn(ev->buttons, i)) - SetBit(ptr, i); - } - - ptr += xde->buttons_len * 4; - axisval = (FP3232*)(ptr + xde->valuators_len * 4); - for (i = 0; i < sizeof(ev->valuators.mask) * 8; i++) - { - if (BitIsOn(ev->valuators.mask, i)) - { - SetBit(ptr, i); - axisval->integral = ev->valuators.data[i]; - axisval->frac = ev->valuators.data_frac[i]; - axisval++; - } - } - - return Success; -} - -static int -eventToRawEvent(RawDeviceEvent *ev, xEvent **xi) -{ - xXIRawEvent* raw; - int vallen, nvals; - int i, len = sizeof(xXIRawEvent); - char *ptr; - FP3232 *axisval; - - nvals = count_bits(ev->valuators.mask, sizeof(ev->valuators.mask)); - len += nvals * sizeof(FP3232) * 2; /* 8 byte per valuator, once - raw, once processed */ - vallen = bytes_to_int32(bits_to_bytes(MAX_VALUATORS)); - len += vallen * 4; /* valuators mask */ - - *xi = xcalloc(1, len); - raw = (xXIRawEvent*)*xi; - raw->type = GenericEvent; - raw->extension = IReqCode; - raw->evtype = GetXI2Type((InternalEvent*)ev); - raw->time = ev->time; - raw->length = bytes_to_int32(len - sizeof(xEvent)); - raw->detail = ev->detail.button; - raw->deviceid = ev->deviceid; - raw->valuators_len = vallen; - - ptr = (char*)&raw[1]; - axisval = (FP3232*)(ptr + raw->valuators_len * 4); - for (i = 0; i < sizeof(ev->valuators.mask) * 8; i++) - { - if (BitIsOn(ev->valuators.mask, i)) - { - SetBit(ptr, i); - axisval->integral = ev->valuators.data[i]; - axisval->frac = ev->valuators.data_frac[i]; - (axisval + nvals)->integral = ev->valuators.data_raw[i]; - (axisval + nvals)->frac = ev->valuators.data_raw_frac[i]; - axisval++; - } - } - - return Success; -} - -/** - * Return the corresponding core type for the given event or 0 if no core - * equivalent exists. - */ -int -GetCoreType(InternalEvent *event) -{ - int coretype = 0; - switch(event->any.type) - { - case ET_Motion: coretype = MotionNotify; break; - case ET_ButtonPress: coretype = ButtonPress; break; - case ET_ButtonRelease: coretype = ButtonRelease; break; - case ET_KeyPress: coretype = KeyPress; break; - case ET_KeyRelease: coretype = KeyRelease; break; - default: - break; - } - return coretype; -} - -/** - * Return the corresponding XI 1.x type for the given event or 0 if no - * equivalent exists. - */ -int -GetXIType(InternalEvent *event) -{ - int xitype = 0; - switch(event->any.type) - { - case ET_Motion: xitype = DeviceMotionNotify; break; - case ET_ButtonPress: xitype = DeviceButtonPress; break; - case ET_ButtonRelease: xitype = DeviceButtonRelease; break; - case ET_KeyPress: xitype = DeviceKeyPress; break; - case ET_KeyRelease: xitype = DeviceKeyRelease; break; - case ET_ProximityIn: xitype = ProximityIn; break; - case ET_ProximityOut: xitype = ProximityOut; break; - default: - break; - } - return xitype; -} - -/** - * Return the corresponding XI 2.x type for the given event or 0 if no - * equivalent exists. - */ -int -GetXI2Type(InternalEvent *event) -{ - int xi2type = 0; - - switch(event->any.type) - { - case ET_Motion: xi2type = XI_Motion; break; - case ET_ButtonPress: xi2type = XI_ButtonPress; break; - case ET_ButtonRelease: xi2type = XI_ButtonRelease; break; - case ET_KeyPress: xi2type = XI_KeyPress; break; - case ET_KeyRelease: xi2type = XI_KeyRelease; break; - case ET_Enter: xi2type = XI_Enter; break; - case ET_Leave: xi2type = XI_Leave; break; - case ET_Hierarchy: xi2type = XI_HierarchyChanged; break; - case ET_DeviceChanged: xi2type = XI_DeviceChanged; break; - case ET_RawKeyPress: xi2type = XI_RawKeyPress; break; - case ET_RawKeyRelease: xi2type = XI_RawKeyRelease; break; - case ET_RawButtonPress: xi2type = XI_RawButtonPress; break; - case ET_RawButtonRelease: xi2type = XI_RawButtonRelease; break; - case ET_RawMotion: xi2type = XI_RawMotion; break; - case ET_FocusIn: xi2type = XI_FocusIn; break; - case ET_FocusOut: xi2type = XI_FocusOut; break; - default: - break; - } - return xi2type; -} +/*
+ * Copyright © 2009 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+/**
+ * @file eventconvert.c
+ * This file contains event conversion routines from InternalEvent to the
+ * matching protocol events.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stdint.h>
+#include <X11/X.h>
+#include <X11/extensions/XIproto.h>
+#include <X11/extensions/XI2proto.h>
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XI2.h>
+
+#include "dix.h"
+#include "inputstr.h"
+#include "misc.h"
+#include "eventstr.h"
+#include "exglobals.h"
+#include "eventconvert.h"
+#include "xiquerydevice.h"
+#include "xkbsrv.h"
+
+
+static int countValuators(DeviceEvent *ev, int *first);
+static int getValuatorEvents(DeviceEvent *ev, deviceValuator *xv);
+static int eventToKeyButtonPointer(DeviceEvent *ev, xEvent **xi, int *count);
+static int eventToDeviceChanged(DeviceChangedEvent *ev, xEvent **dcce);
+static int eventToDeviceEvent(DeviceEvent *ev, xEvent **xi);
+static int eventToRawEvent(RawDeviceEvent *ev, xEvent **xi);
+
+/* Do not use, read comments below */
+BOOL EventIsKeyRepeat(xEvent *event);
+
+/**
+ * Hack to allow detectable autorepeat for core and XI1 events.
+ * The sequence number is unused until we send to the client and can be
+ * misused to store data. More or less, anyway.
+ *
+ * Do not use this. It may change any time without warning, eat your babies
+ * and piss on your cat.
+ */
+static void
+EventSetKeyRepeatFlag(xEvent *event, BOOL on)
+{
+ event->u.u.sequenceNumber = on;
+}
+
+/**
+ * Check if the event was marked as a repeat event before.
+ * NOTE: This is a nasty hack and should NOT be used by anyone else but
+ * TryClientEvents.
+ */
+BOOL
+EventIsKeyRepeat(xEvent *event)
+{
+ return !!event->u.u.sequenceNumber;
+}
+
+/**
+ * Convert the given event to the respective core event.
+ *
+ * Return values:
+ * Success ... core contains the matching core event.
+ * BadValue .. One or more values in the internal event are invalid.
+ * BadMatch .. The event has no core equivalent.
+ *
+ * @param[in] event The event to convert into a core event.
+ * @param[in] core The memory location to store the core event at.
+ * @return Success or the matching error code.
+ */
+int
+EventToCore(InternalEvent *event, xEvent *core)
+{
+ switch(event->any.type)
+ {
+ case ET_Motion:
+ case ET_ButtonPress:
+ case ET_ButtonRelease:
+ case ET_KeyPress:
+ case ET_KeyRelease:
+ {
+ DeviceEvent *e = &event->device_event;
+
+ if (e->detail.key > 0xFF)
+ return BadMatch;
+
+ memset(core, 0, sizeof(xEvent));
+ core->u.u.type = e->type - ET_KeyPress + KeyPress;
+ core->u.u.detail = e->detail.key & 0xFF;
+ core->u.keyButtonPointer.time = e->time;
+ core->u.keyButtonPointer.rootX = e->root_x;
+ core->u.keyButtonPointer.rootY = e->root_y;
+ core->u.keyButtonPointer.state = e->corestate;
+ core->u.keyButtonPointer.root = e->root;
+ EventSetKeyRepeatFlag(core, (e->type == ET_KeyPress && e->key_repeat));
+ }
+ break;
+ case ET_ProximityIn:
+ case ET_ProximityOut:
+ case ET_RawKeyPress:
+ case ET_RawKeyRelease:
+ case ET_RawButtonPress:
+ case ET_RawButtonRelease:
+ case ET_RawMotion:
+ return BadMatch;
+ default:
+ /* XXX: */
+ ErrorF("[dix] EventToCore: Not implemented yet \n");
+ return BadImplementation;
+ }
+ return Success;
+}
+
+/**
+ * Convert the given event to the respective XI 1.x event and store it in
+ * xi. xi is allocated on demand and must be freed by the caller.
+ * count returns the number of events in xi. If count is 1, and the type of
+ * xi is GenericEvent, then xi may be larger than 32 bytes.
+ *
+ * Return values:
+ * Success ... core contains the matching core event.
+ * BadValue .. One or more values in the internal event are invalid.
+ * BadMatch .. The event has no XI equivalent.
+ *
+ * @param[in] ev The event to convert into an XI 1 event.
+ * @param[out] xi Future memory location for the XI event.
+ * @param[out] count Number of elements in xi.
+ *
+ * @return Success or the error code.
+ */
+int
+EventToXI(InternalEvent *ev, xEvent **xi, int *count)
+{
+ switch (ev->any.type)
+ {
+ case ET_Motion:
+ case ET_ButtonPress:
+ case ET_ButtonRelease:
+ case ET_KeyPress:
+ case ET_KeyRelease:
+ case ET_ProximityIn:
+ case ET_ProximityOut:
+ return eventToKeyButtonPointer(&ev->device_event, xi, count);
+ case ET_DeviceChanged:
+ case ET_RawKeyPress:
+ case ET_RawKeyRelease:
+ case ET_RawButtonPress:
+ case ET_RawButtonRelease:
+ case ET_RawMotion:
+ *count = 0;
+ *xi = NULL;
+ return BadMatch;
+ default:
+ break;
+ }
+
+ ErrorF("[dix] EventToXI: Not implemented for %d \n", ev->any.type);
+ return BadImplementation;
+}
+
+/**
+ * Convert the given event to the respective XI 2.x event and store it in xi.
+ * xi is allocated on demand and must be freed by the caller.
+ *
+ * Return values:
+ * Success ... core contains the matching core event.
+ * BadValue .. One or more values in the internal event are invalid.
+ * BadMatch .. The event has no XI2 equivalent.
+ *
+ * @param[in] ev The event to convert into an XI2 event
+ * @param[out] xi Future memory location for the XI2 event.
+ *
+ * @return Success or the error code.
+ */
+int
+EventToXI2(InternalEvent *ev, xEvent **xi)
+{
+ switch (ev->any.type)
+ {
+ /* Enter/FocusIn are for grabs. We don't need an actual event, since
+ * the real events delivered are triggered elsewhere */
+ case ET_Enter:
+ case ET_FocusIn:
+ *xi = NULL;
+ return Success;
+ case ET_Motion:
+ case ET_ButtonPress:
+ case ET_ButtonRelease:
+ case ET_KeyPress:
+ case ET_KeyRelease:
+ return eventToDeviceEvent(&ev->device_event, xi);
+ case ET_ProximityIn:
+ case ET_ProximityOut:
+ *xi = NULL;
+ return BadMatch;
+ case ET_DeviceChanged:
+ return eventToDeviceChanged(&ev->changed_event, xi);
+ case ET_RawKeyPress:
+ case ET_RawKeyRelease:
+ case ET_RawButtonPress:
+ case ET_RawButtonRelease:
+ case ET_RawMotion:
+ return eventToRawEvent(&ev->raw_event, xi);
+ default:
+ break;
+ }
+
+ ErrorF("[dix] EventToXI2: Not implemented for %d \n", ev->any.type);
+ return BadImplementation;
+}
+
+static int
+eventToKeyButtonPointer(DeviceEvent *ev, xEvent **xi, int *count)
+{
+ int num_events;
+ int first; /* dummy */
+ deviceKeyButtonPointer *kbp;
+
+ /* Sorry, XI 1.x protocol restrictions. */
+ if (ev->detail.button > 0xFF || ev->deviceid >= 0x80)
+ {
+ *count = 0;
+ return Success;
+ }
+
+ num_events = (countValuators(ev, &first) + 5)/6; /* valuator ev */
+ num_events++; /* the actual event event */
+
+ *xi = calloc(num_events, sizeof(xEvent));
+ if (!(*xi))
+ {
+ return BadAlloc;
+ }
+
+ kbp = (deviceKeyButtonPointer*)(*xi);
+ kbp->detail = ev->detail.button;
+ kbp->time = ev->time;
+ kbp->root = ev->root;
+ kbp->root_x = ev->root_x;
+ kbp->root_y = ev->root_y;
+ kbp->deviceid = ev->deviceid;
+ kbp->state = ev->corestate;
+ EventSetKeyRepeatFlag((xEvent*)kbp,
+ (ev->type == ET_KeyPress && ev->key_repeat));
+
+ if (num_events > 1)
+ kbp->deviceid |= MORE_EVENTS;
+
+ switch(ev->type)
+ {
+ case ET_Motion: kbp->type = DeviceMotionNotify; break;
+ case ET_ButtonPress: kbp->type = DeviceButtonPress; break;
+ case ET_ButtonRelease: kbp->type = DeviceButtonRelease; break;
+ case ET_KeyPress: kbp->type = DeviceKeyPress; break;
+ case ET_KeyRelease: kbp->type = DeviceKeyRelease; break;
+ case ET_ProximityIn: kbp->type = ProximityIn; break;
+ case ET_ProximityOut: kbp->type = ProximityOut; break;
+ default:
+ break;
+ }
+
+ if (num_events > 1)
+ {
+ getValuatorEvents(ev, (deviceValuator*)(kbp + 1));
+ }
+
+ *count = num_events;
+ return Success;
+}
+
+
+/**
+ * Set first to the first valuator in the event ev and return the number of
+ * valuators from first to the last set valuator.
+ */
+static int
+countValuators(DeviceEvent *ev, int *first)
+{
+ int first_valuator = -1, last_valuator = -1, num_valuators = 0;
+ int i;
+
+ for (i = 0; i < sizeof(ev->valuators.mask) * 8; i++)
+ {
+ if (BitIsOn(ev->valuators.mask, i))
+ {
+ if (first_valuator == -1)
+ first_valuator = i;
+ last_valuator = i;
+ }
+ }
+
+ if (first_valuator != -1)
+ {
+ num_valuators = last_valuator - first_valuator + 1;
+ *first = first_valuator;
+ }
+
+ return num_valuators;
+}
+
+static int
+getValuatorEvents(DeviceEvent *ev, deviceValuator *xv)
+{
+ int i;
+ int state = 0;
+ int first_valuator, num_valuators;
+
+
+ num_valuators = countValuators(ev, &first_valuator);
+ if (num_valuators > 0)
+ {
+ DeviceIntPtr dev = NULL;
+ dixLookupDevice(&dev, ev->deviceid, serverClient, DixUseAccess);
+ /* State needs to be assembled BEFORE the device is updated. */
+ state = (dev && dev->key) ? XkbStateFieldFromRec(&dev->key->xkbInfo->state) : 0;
+ state |= (dev && dev->button) ? (dev->button->state) : 0;
+ }
+
+ /* FIXME: non-continuous valuator data in internal events*/
+ for (i = 0; i < num_valuators; i += 6, xv++) {
+ xv->type = DeviceValuator;
+ xv->first_valuator = first_valuator + i;
+ xv->num_valuators = ((num_valuators - i) > 6) ? 6 : (num_valuators - i);
+ xv->deviceid = ev->deviceid;
+ xv->device_state = state;
+ switch (xv->num_valuators) {
+ case 6:
+ xv->valuator5 = ev->valuators.data[xv->first_valuator + 5];
+ case 5:
+ xv->valuator4 = ev->valuators.data[xv->first_valuator + 4];
+ case 4:
+ xv->valuator3 = ev->valuators.data[xv->first_valuator + 3];
+ case 3:
+ xv->valuator2 = ev->valuators.data[xv->first_valuator + 2];
+ case 2:
+ xv->valuator1 = ev->valuators.data[xv->first_valuator + 1];
+ case 1:
+ xv->valuator0 = ev->valuators.data[xv->first_valuator + 0];
+ }
+
+ if (i + 6 < num_valuators)
+ xv->deviceid |= MORE_EVENTS;
+ }
+
+ return (num_valuators + 5) / 6;
+}
+
+
+static int
+appendKeyInfo(DeviceChangedEvent *dce, xXIKeyInfo* info)
+{
+ uint32_t *kc;
+ int i;
+
+ info->type = XIKeyClass;
+ info->num_keycodes = dce->keys.max_keycode - dce->keys.min_keycode + 1;
+ info->length = sizeof(xXIKeyInfo)/4 + info->num_keycodes;
+ info->sourceid = dce->sourceid;
+
+ kc = (uint32_t*)&info[1];
+ for (i = 0; i < info->num_keycodes; i++)
+ *kc++ = i + dce->keys.min_keycode;
+
+ return info->length * 4;
+}
+
+static int
+appendButtonInfo(DeviceChangedEvent *dce, xXIButtonInfo *info)
+{
+ unsigned char *bits;
+ int mask_len;
+
+ mask_len = bytes_to_int32(bits_to_bytes(dce->buttons.num_buttons));
+
+ info->type = XIButtonClass;
+ info->num_buttons = dce->buttons.num_buttons;
+ info->length = bytes_to_int32(sizeof(xXIButtonInfo)) +
+ info->num_buttons + mask_len;
+ info->sourceid = dce->sourceid;
+
+ bits = (unsigned char*)&info[1];
+ memset(bits, 0, mask_len * 4);
+ /* FIXME: is_down? */
+
+ bits += mask_len * 4;
+ memcpy(bits, dce->buttons.names, dce->buttons.num_buttons * sizeof(Atom));
+
+ return info->length * 4;
+}
+
+static int
+appendValuatorInfo(DeviceChangedEvent *dce, xXIValuatorInfo *info, int axisnumber)
+{
+ info->type = XIValuatorClass;
+ info->length = sizeof(xXIValuatorInfo)/4;
+ info->label = dce->valuators[axisnumber].name;
+ info->min.integral = dce->valuators[axisnumber].min;
+ info->min.frac = 0;
+ info->max.integral = dce->valuators[axisnumber].max;
+ info->max.frac = 0;
+ /* FIXME: value */
+ info->value.integral = 0;
+ info->value.frac = 0;
+ info->resolution = dce->valuators[axisnumber].resolution;
+ info->number = axisnumber;
+ info->mode = dce->valuators[axisnumber].mode; /* Server doesn't have per-axis mode yet */
+ info->sourceid = dce->sourceid;
+
+ return info->length * 4;
+}
+
+static int
+eventToDeviceChanged(DeviceChangedEvent *dce, xEvent **xi)
+{
+ xXIDeviceChangedEvent *dcce;
+ int len = sizeof(xXIDeviceChangedEvent);
+ int nkeys;
+ char *ptr;
+
+ if (dce->buttons.num_buttons)
+ {
+ len += sizeof(xXIButtonInfo);
+ len += dce->buttons.num_buttons * sizeof(Atom); /* button names */
+ len += pad_to_int32(bits_to_bytes(dce->buttons.num_buttons));
+ }
+ if (dce->num_valuators)
+ len += sizeof(xXIValuatorInfo) * dce->num_valuators;
+
+ nkeys = (dce->keys.max_keycode > 0) ?
+ dce->keys.max_keycode - dce->keys.min_keycode + 1 : 0;
+ if (nkeys > 0)
+ {
+ len += sizeof(xXIKeyInfo);
+ len += sizeof(CARD32) * nkeys; /* keycodes */
+ }
+
+ dcce = calloc(1, len);
+ if (!dcce)
+ {
+ ErrorF("[Xi] BadAlloc in SendDeviceChangedEvent.\n");
+ return BadAlloc;
+ }
+
+ dcce->type = GenericEvent;
+ dcce->extension = IReqCode;
+ dcce->evtype = XI_DeviceChanged;
+ dcce->time = dce->time;
+ dcce->deviceid = dce->deviceid;
+ dcce->sourceid = dce->sourceid;
+ dcce->reason = (dce->flags & DEVCHANGE_DEVICE_CHANGE) ? XIDeviceChange : XISlaveSwitch;
+ dcce->num_classes = 0;
+ dcce->length = bytes_to_int32(len - sizeof(xEvent));
+
+ ptr = (char*)&dcce[1];
+ if (dce->buttons.num_buttons)
+ {
+ dcce->num_classes++;
+ ptr += appendButtonInfo(dce, (xXIButtonInfo*)ptr);
+ }
+
+ if (nkeys)
+ {
+ dcce->num_classes++;
+ ptr += appendKeyInfo(dce, (xXIKeyInfo*)ptr);
+ }
+
+ if (dce->num_valuators)
+ {
+ int i;
+
+ dcce->num_classes += dce->num_valuators;
+ for (i = 0; i < dce->num_valuators; i++)
+ ptr += appendValuatorInfo(dce, (xXIValuatorInfo*)ptr, i);
+ }
+
+ *xi = (xEvent*)dcce;
+
+ return Success;
+}
+
+static int count_bits(unsigned char* ptr, int len)
+{
+ int bits = 0;
+ unsigned int i;
+ unsigned char x;
+
+ for (i = 0; i < len; i++)
+ {
+ x = ptr[i];
+ while(x > 0)
+ {
+ bits += (x & 0x1);
+ x >>= 1;
+ }
+ }
+ return bits;
+}
+
+static int
+eventToDeviceEvent(DeviceEvent *ev, xEvent **xi)
+{
+ int len = sizeof(xXIDeviceEvent);
+ xXIDeviceEvent *xde;
+ int i, btlen, vallen;
+ char *ptr;
+ FP3232 *axisval;
+
+ /* FIXME: this should just send the buttons we have, not MAX_BUTTONs. Same
+ * with MAX_VALUATORS below */
+ /* btlen is in 4 byte units */
+ btlen = bytes_to_int32(bits_to_bytes(MAX_BUTTONS));
+ len += btlen * 4; /* buttonmask len */
+
+
+ vallen = count_bits(ev->valuators.mask, sizeof(ev->valuators.mask)/sizeof(ev->valuators.mask[0]));
+ len += vallen * 2 * sizeof(uint32_t); /* axisvalues */
+ vallen = bytes_to_int32(bits_to_bytes(MAX_VALUATORS));
+ len += vallen * 4; /* valuators mask */
+
+ *xi = calloc(1, len);
+ xde = (xXIDeviceEvent*)*xi;
+ xde->type = GenericEvent;
+ xde->extension = IReqCode;
+ xde->evtype = GetXI2Type((InternalEvent*)ev);
+ xde->time = ev->time;
+ xde->length = bytes_to_int32(len - sizeof(xEvent));
+ xde->detail = ev->detail.button;
+ xde->root = ev->root;
+ xde->buttons_len = btlen;
+ xde->valuators_len = vallen;
+ xde->deviceid = ev->deviceid;
+ xde->sourceid = ev->sourceid;
+ xde->root_x = FP1616(ev->root_x, ev->root_x_frac);
+ xde->root_y = FP1616(ev->root_y, ev->root_y_frac);
+
+ if (ev->key_repeat)
+ xde->flags |= XIKeyRepeat;
+
+ xde->mods.base_mods = ev->mods.base;
+ xde->mods.latched_mods = ev->mods.latched;
+ xde->mods.locked_mods = ev->mods.locked;
+ xde->mods.effective_mods = ev->mods.effective;
+
+ xde->group.base_group = ev->group.base;
+ xde->group.latched_group = ev->group.latched;
+ xde->group.locked_group = ev->group.locked;
+ xde->group.effective_group = ev->group.effective;
+
+ ptr = (char*)&xde[1];
+ for (i = 0; i < sizeof(ev->buttons) * 8; i++)
+ {
+ if (BitIsOn(ev->buttons, i))
+ SetBit(ptr, i);
+ }
+
+ ptr += xde->buttons_len * 4;
+ axisval = (FP3232*)(ptr + xde->valuators_len * 4);
+ for (i = 0; i < sizeof(ev->valuators.mask) * 8; i++)
+ {
+ if (BitIsOn(ev->valuators.mask, i))
+ {
+ SetBit(ptr, i);
+ axisval->integral = ev->valuators.data[i];
+ axisval->frac = ev->valuators.data_frac[i];
+ axisval++;
+ }
+ }
+
+ return Success;
+}
+
+static int
+eventToRawEvent(RawDeviceEvent *ev, xEvent **xi)
+{
+ xXIRawEvent* raw;
+ int vallen, nvals;
+ int i, len = sizeof(xXIRawEvent);
+ char *ptr;
+ FP3232 *axisval;
+
+ nvals = count_bits(ev->valuators.mask, sizeof(ev->valuators.mask));
+ len += nvals * sizeof(FP3232) * 2; /* 8 byte per valuator, once
+ raw, once processed */
+ vallen = bytes_to_int32(bits_to_bytes(MAX_VALUATORS));
+ len += vallen * 4; /* valuators mask */
+
+ *xi = calloc(1, len);
+ raw = (xXIRawEvent*)*xi;
+ raw->type = GenericEvent;
+ raw->extension = IReqCode;
+ raw->evtype = GetXI2Type((InternalEvent*)ev);
+ raw->time = ev->time;
+ raw->length = bytes_to_int32(len - sizeof(xEvent));
+ raw->detail = ev->detail.button;
+ raw->deviceid = ev->deviceid;
+ raw->valuators_len = vallen;
+
+ ptr = (char*)&raw[1];
+ axisval = (FP3232*)(ptr + raw->valuators_len * 4);
+ for (i = 0; i < sizeof(ev->valuators.mask) * 8; i++)
+ {
+ if (BitIsOn(ev->valuators.mask, i))
+ {
+ SetBit(ptr, i);
+ axisval->integral = ev->valuators.data[i];
+ axisval->frac = ev->valuators.data_frac[i];
+ (axisval + nvals)->integral = ev->valuators.data_raw[i];
+ (axisval + nvals)->frac = ev->valuators.data_raw_frac[i];
+ axisval++;
+ }
+ }
+
+ return Success;
+}
+
+/**
+ * Return the corresponding core type for the given event or 0 if no core
+ * equivalent exists.
+ */
+int
+GetCoreType(InternalEvent *event)
+{
+ int coretype = 0;
+ switch(event->any.type)
+ {
+ case ET_Motion: coretype = MotionNotify; break;
+ case ET_ButtonPress: coretype = ButtonPress; break;
+ case ET_ButtonRelease: coretype = ButtonRelease; break;
+ case ET_KeyPress: coretype = KeyPress; break;
+ case ET_KeyRelease: coretype = KeyRelease; break;
+ default:
+ break;
+ }
+ return coretype;
+}
+
+/**
+ * Return the corresponding XI 1.x type for the given event or 0 if no
+ * equivalent exists.
+ */
+int
+GetXIType(InternalEvent *event)
+{
+ int xitype = 0;
+ switch(event->any.type)
+ {
+ case ET_Motion: xitype = DeviceMotionNotify; break;
+ case ET_ButtonPress: xitype = DeviceButtonPress; break;
+ case ET_ButtonRelease: xitype = DeviceButtonRelease; break;
+ case ET_KeyPress: xitype = DeviceKeyPress; break;
+ case ET_KeyRelease: xitype = DeviceKeyRelease; break;
+ case ET_ProximityIn: xitype = ProximityIn; break;
+ case ET_ProximityOut: xitype = ProximityOut; break;
+ default:
+ break;
+ }
+ return xitype;
+}
+
+/**
+ * Return the corresponding XI 2.x type for the given event or 0 if no
+ * equivalent exists.
+ */
+int
+GetXI2Type(InternalEvent *event)
+{
+ int xi2type = 0;
+
+ switch(event->any.type)
+ {
+ case ET_Motion: xi2type = XI_Motion; break;
+ case ET_ButtonPress: xi2type = XI_ButtonPress; break;
+ case ET_ButtonRelease: xi2type = XI_ButtonRelease; break;
+ case ET_KeyPress: xi2type = XI_KeyPress; break;
+ case ET_KeyRelease: xi2type = XI_KeyRelease; break;
+ case ET_Enter: xi2type = XI_Enter; break;
+ case ET_Leave: xi2type = XI_Leave; break;
+ case ET_Hierarchy: xi2type = XI_HierarchyChanged; break;
+ case ET_DeviceChanged: xi2type = XI_DeviceChanged; break;
+ case ET_RawKeyPress: xi2type = XI_RawKeyPress; break;
+ case ET_RawKeyRelease: xi2type = XI_RawKeyRelease; break;
+ case ET_RawButtonPress: xi2type = XI_RawButtonPress; break;
+ case ET_RawButtonRelease: xi2type = XI_RawButtonRelease; break;
+ case ET_RawMotion: xi2type = XI_RawMotion; break;
+ case ET_FocusIn: xi2type = XI_FocusIn; break;
+ case ET_FocusOut: xi2type = XI_FocusOut; break;
+ default:
+ break;
+ }
+ return xi2type;
+}
diff --git a/xorg-server/dix/events.c b/xorg-server/dix/events.c index a1c24bc97..22bb99557 100644 --- a/xorg-server/dix/events.c +++ b/xorg-server/dix/events.c @@ -1,5915 +1,5915 @@ -/************************************************************ - -Copyright 1987, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -********************************************************/ - -/* The panoramix components contained the following notice */ -/***************************************************************** - -Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL -DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, -BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, -WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR -IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of Digital Equipment Corporation -shall not be used in advertising or otherwise to promote the sale, use or other -dealings in this Software without prior written authorization from Digital -Equipment Corporation. - -******************************************************************/ - -/* - * Copyright © 2003-2005 Sun Microsystems, Inc. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -/** @file events.c - * This file handles event delivery and a big part of the server-side protocol - * handling (the parts for input devices). - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <X11/X.h> -#include "misc.h" -#include "resource.h" -#include <X11/Xproto.h> -#include "windowstr.h" -#include "inputstr.h" -#include "scrnintstr.h" -#include "cursorstr.h" - -#include "dixstruct.h" -#ifdef PANORAMIX -#include "panoramiX.h" -#include "panoramiXsrv.h" -#endif -#include "globals.h" - -#include <X11/extensions/XKBproto.h> -#include "xkbsrv.h" -#include "xace.h" - -#ifdef XSERVER_DTRACE -#include <sys/types.h> -typedef const char *string; -#include "Xserver-dtrace.h" -#endif - -#include <X11/extensions/XIproto.h> -#include <X11/extensions/XI2proto.h> -#include <X11/extensions/XI.h> -#include <X11/extensions/XI2.h> -#include "exglobals.h" -#include "exevents.h" -#include "exglobals.h" -#include "extnsionst.h" - -#include "dixevents.h" -#include "dixgrabs.h" -#include "dispatch.h" - -#include <X11/extensions/ge.h> -#include "geext.h" -#include "geint.h" - -#include "eventstr.h" -#include "enterleave.h" -#include "eventconvert.h" - -/* Extension events type numbering starts at EXTENSION_EVENT_BASE. */ -#define NoSuchEvent 0x80000000 /* so doesn't match NoEventMask */ -#define StructureAndSubMask ( StructureNotifyMask | SubstructureNotifyMask ) -#define AllButtonsMask ( \ - Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask ) -#define MotionMask ( \ - PointerMotionMask | Button1MotionMask | \ - Button2MotionMask | Button3MotionMask | Button4MotionMask | \ - Button5MotionMask | ButtonMotionMask ) -#define PropagateMask ( \ - KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | \ - MotionMask ) -#define PointerGrabMask ( \ - ButtonPressMask | ButtonReleaseMask | \ - EnterWindowMask | LeaveWindowMask | \ - PointerMotionHintMask | KeymapStateMask | \ - MotionMask ) -#define AllModifiersMask ( \ - ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | \ - Mod3Mask | Mod4Mask | Mod5Mask ) -#define LastEventMask OwnerGrabButtonMask -#define AllEventMasks (LastEventMask|(LastEventMask-1)) - - -#define CORE_EVENT(event) \ - (!((event)->u.u.type & EXTENSION_EVENT_BASE) && \ - (event)->u.u.type != GenericEvent) -#define XI2_EVENT(event) \ - (((event)->u.u.type == GenericEvent) && \ - ((xGenericEvent*)(event))->extension == IReqCode) - -/** - * Used to indicate a implicit passive grab created by a ButtonPress event. - * See DeliverEventsToWindow(). - */ -#define ImplicitGrabMask (1 << 7) - -#define WID(w) ((w) ? ((w)->drawable.id) : 0) - -#define XE_KBPTR (xE->u.keyButtonPointer) - - -#define rClient(obj) (clients[CLIENT_ID((obj)->resource)]) - -CallbackListPtr EventCallback; -CallbackListPtr DeviceEventCallback; - -#define DNPMCOUNT 8 - -Mask DontPropagateMasks[DNPMCOUNT]; -static int DontPropagateRefCnts[DNPMCOUNT]; - -static void CheckVirtualMotion( DeviceIntPtr pDev, QdEventPtr qe, WindowPtr pWin); -static void CheckPhysLimits(DeviceIntPtr pDev, - CursorPtr cursor, - Bool generateEvents, - Bool confineToScreen, - ScreenPtr pScreen); -static Bool CheckPassiveGrabsOnWindow(WindowPtr pWin, - DeviceIntPtr device, - DeviceEvent *event, - BOOL checkCore); - -/** Key repeat hack. Do not use but in TryClientEvents */ -extern BOOL EventIsKeyRepeat(xEvent *event); - -/** - * Main input device struct. - * inputInfo.pointer - * is the core pointer. Referred to as "virtual core pointer", "VCP", - * "core pointer" or inputInfo.pointer. The VCP is the first master - * pointer device and cannot be deleted. - * - * inputInfo.keyboard - * is the core keyboard ("virtual core keyboard", "VCK", "core keyboard"). - * See inputInfo.pointer. - * - * inputInfo.devices - * linked list containing all devices including VCP and VCK. - * - * inputInfo.off_devices - * Devices that have not been initialized and are thus turned off. - * - * inputInfo.numDevices - * Total number of devices. - * - * inputInfo.all_devices - * Virtual device used for XIAllDevices passive grabs. This device is - * not part of the inputInfo.devices list and mostly unset except for - * the deviceid. It exists because passivegrabs need a valid device - * reference. - * - * inputInfo.all_master_devices - * Virtual device used for XIAllMasterDevices passive grabs. This device - * is not part of the inputInfo.devices list and mostly unset except for - * the deviceid. It exists because passivegrabs need a valid device - * reference. - */ -InputInfo inputInfo; - -EventSyncInfoRec syncEvents; - -/** - * The root window the given device is currently on. - */ -#define RootWindow(dev) dev->spriteInfo->sprite->spriteTrace[0] - -static xEvent* swapEvent = NULL; -static int swapEventLen = 0; - -void -NotImplemented(xEvent *from, xEvent *to) -{ - FatalError("Not implemented"); -} - -/** - * Convert the given event type from an XI event to a core event. - * @param[in] The XI 1.x event type. - * @return The matching core event type or 0 if there is none. - */ -int -XItoCoreType(int xitype) -{ - int coretype = 0; - if (xitype == DeviceMotionNotify) - coretype = MotionNotify; - else if (xitype == DeviceButtonPress) - coretype = ButtonPress; - else if (xitype == DeviceButtonRelease) - coretype = ButtonRelease; - else if (xitype == DeviceKeyPress) - coretype = KeyPress; - else if (xitype == DeviceKeyRelease) - coretype = KeyRelease; - - return coretype; -} - -/** - * @return true if the device owns a cursor, false if device shares a cursor - * sprite with another device. - */ -Bool -DevHasCursor(DeviceIntPtr pDev) -{ - return pDev->spriteInfo->spriteOwner; -} - -/* - * @return true if a device is a pointer, check is the same as used by XI to - * fill the 'use' field. - */ -Bool -IsPointerDevice(DeviceIntPtr dev) -{ - return (dev->type == MASTER_POINTER) || - (dev->valuator && dev->button) || - (dev->valuator && !dev->key); -} - -/* - * @return true if a device is a keyboard, check is the same as used by XI to - * fill the 'use' field. - * - * Some pointer devices have keys as well (e.g. multimedia keys). Try to not - * count them as keyboard devices. - */ -Bool -IsKeyboardDevice(DeviceIntPtr dev) -{ - return (dev->type == MASTER_KEYBOARD) || - ((dev->key && dev->kbdfeed) && !IsPointerDevice(dev)); -} - -Bool -IsMaster(DeviceIntPtr dev) -{ - return (dev->type == MASTER_POINTER || dev->type == MASTER_KEYBOARD); -} - -static WindowPtr XYToWindow( - DeviceIntPtr pDev, - int x, - int y -); - -/** - * Max event opcode. - */ -extern int lastEvent; - -extern int DeviceMotionNotify; - -#define CantBeFiltered NoEventMask -/** - * Event masks for each event type. - * - * One set of filters for each device, but only the first layer - * is initialized. The rest is memcpy'd in InitEvents. - * - * Filters are used whether a given event may be delivered to a client, - * usually in the form of if (window-event-mask & filter); then deliver event. - * - * One notable filter is for PointerMotion/DevicePointerMotion events. Each - * time a button is pressed, the filter is modified to also contain the - * matching ButtonXMotion mask. - */ -static Mask filters[MAXDEVICES][128] = { -{ - NoSuchEvent, /* 0 */ - NoSuchEvent, /* 1 */ - KeyPressMask, /* KeyPress */ - KeyReleaseMask, /* KeyRelease */ - ButtonPressMask, /* ButtonPress */ - ButtonReleaseMask, /* ButtonRelease */ - PointerMotionMask, /* MotionNotify (initial state) */ - EnterWindowMask, /* EnterNotify */ - LeaveWindowMask, /* LeaveNotify */ - FocusChangeMask, /* FocusIn */ - FocusChangeMask, /* FocusOut */ - KeymapStateMask, /* KeymapNotify */ - ExposureMask, /* Expose */ - CantBeFiltered, /* GraphicsExpose */ - CantBeFiltered, /* NoExpose */ - VisibilityChangeMask, /* VisibilityNotify */ - SubstructureNotifyMask, /* CreateNotify */ - StructureAndSubMask, /* DestroyNotify */ - StructureAndSubMask, /* UnmapNotify */ - StructureAndSubMask, /* MapNotify */ - SubstructureRedirectMask, /* MapRequest */ - StructureAndSubMask, /* ReparentNotify */ - StructureAndSubMask, /* ConfigureNotify */ - SubstructureRedirectMask, /* ConfigureRequest */ - StructureAndSubMask, /* GravityNotify */ - ResizeRedirectMask, /* ResizeRequest */ - StructureAndSubMask, /* CirculateNotify */ - SubstructureRedirectMask, /* CirculateRequest */ - PropertyChangeMask, /* PropertyNotify */ - CantBeFiltered, /* SelectionClear */ - CantBeFiltered, /* SelectionRequest */ - CantBeFiltered, /* SelectionNotify */ - ColormapChangeMask, /* ColormapNotify */ - CantBeFiltered, /* ClientMessage */ - CantBeFiltered /* MappingNotify */ -}}; - -/** - * For the given event, return the matching event filter. This filter may then - * be AND'ed with the selected event mask. - * - * For XI2 events, the returned filter is simply the byte containing the event - * mask we're interested in. E.g. for a mask of (1 << 13), this would be - * byte[1]. - * - * @param[in] dev The device the event belongs to, may be NULL. - * @param[in] event The event to get the filter for. Only the type of the - * event matters, or the extension + evtype for GenericEvents. - * @return The filter mask for the given event. - * - * @see GetEventMask - */ -Mask -GetEventFilter(DeviceIntPtr dev, xEvent *event) -{ - if (event->u.u.type != GenericEvent) - return filters[dev ? dev->id : 0][event->u.u.type]; - else if (XI2_EVENT(event)) - return (1 << (((xXIDeviceEvent*)event)->evtype % 8)); - ErrorF("[dix] Unknown device type %d. No filter\n", event->u.u.type); - return 0; -} - -/** - * Return the windows complete XI2 mask for the given XI2 event type. - */ -Mask -GetWindowXI2Mask(DeviceIntPtr dev, WindowPtr win, xEvent* ev) -{ - OtherInputMasks *inputMasks = wOtherInputMasks(win); - int filter; - int evtype; - - if (!inputMasks || !XI2_EVENT(ev)) - return 0; - - evtype = ((xGenericEvent*)ev)->evtype; - filter = GetEventFilter(dev, ev); - - return ((inputMasks->xi2mask[dev->id][evtype/8] & filter) || - inputMasks->xi2mask[XIAllDevices][evtype/8] || - (inputMasks->xi2mask[XIAllMasterDevices][evtype/8] && IsMaster(dev))); -} - -static Mask -GetEventMask(DeviceIntPtr dev, xEvent *event, InputClients* other) -{ - /* XI2 filters are only ever 8 bit, so let's return a 8 bit mask */ - if (XI2_EVENT(event)) - { - int byte = ((xGenericEvent*)event)->evtype / 8; - return (other->xi2mask[dev->id][byte] | - other->xi2mask[XIAllDevices][byte] | - (IsMaster(dev)? other->xi2mask[XIAllMasterDevices][byte] : 0)); - } else if (CORE_EVENT(event)) - return other->mask[XIAllDevices]; - else - return other->mask[dev->id]; -} - - -static CARD8 criticalEvents[32] = -{ - 0x7c, 0x30, 0x40 /* key, button, expose, and configure events */ -}; - -static void -SyntheticMotion(DeviceIntPtr dev, int x, int y) { - int screenno = 0; - -#ifdef PANORAMIX - if (!noPanoramiXExtension) - screenno = dev->spriteInfo->sprite->screen->myNum; -#endif - PostSyntheticMotion(dev, x, y, screenno, - (syncEvents.playingEvents) ? syncEvents.time.milliseconds : currentTime.milliseconds); - -} - -#ifdef PANORAMIX -static void PostNewCursor(DeviceIntPtr pDev); - -static Bool -XineramaSetCursorPosition( - DeviceIntPtr pDev, - int x, - int y, - Bool generateEvent -){ - ScreenPtr pScreen; - BoxRec box; - int i; - SpritePtr pSprite = pDev->spriteInfo->sprite; - - /* x,y are in Screen 0 coordinates. We need to decide what Screen - to send the message too and what the coordinates relative to - that screen are. */ - - pScreen = pSprite->screen; - x += panoramiXdataPtr[0].x; - y += panoramiXdataPtr[0].y; - - if(!POINT_IN_REGION(pScreen, &XineramaScreenRegions[pScreen->myNum], - x, y, &box)) - { - FOR_NSCREENS(i) - { - if(i == pScreen->myNum) - continue; - if(POINT_IN_REGION(pScreen, &XineramaScreenRegions[i], x, y, &box)) - { - pScreen = screenInfo.screens[i]; - break; - } - } - } - - pSprite->screen = pScreen; - pSprite->hotPhys.x = x - panoramiXdataPtr[0].x; - pSprite->hotPhys.y = y - panoramiXdataPtr[0].y; - x -= panoramiXdataPtr[pScreen->myNum].x; - y -= panoramiXdataPtr[pScreen->myNum].y; - - return (*pScreen->SetCursorPosition)(pDev, pScreen, x, y, generateEvent); -} - - -static void -XineramaConstrainCursor(DeviceIntPtr pDev) -{ - SpritePtr pSprite = pDev->spriteInfo->sprite; - ScreenPtr pScreen; - BoxRec newBox; - - pScreen = pSprite->screen; - newBox = pSprite->physLimits; - - /* Translate the constraining box to the screen - the sprite is actually on */ - newBox.x1 += panoramiXdataPtr[0].x - panoramiXdataPtr[pScreen->myNum].x; - newBox.x2 += panoramiXdataPtr[0].x - panoramiXdataPtr[pScreen->myNum].x; - newBox.y1 += panoramiXdataPtr[0].y - panoramiXdataPtr[pScreen->myNum].y; - newBox.y2 += panoramiXdataPtr[0].y - panoramiXdataPtr[pScreen->myNum].y; - - (* pScreen->ConstrainCursor)(pDev, pScreen, &newBox); -} - - -static Bool -XineramaSetWindowPntrs(DeviceIntPtr pDev, WindowPtr pWin) -{ - SpritePtr pSprite = pDev->spriteInfo->sprite; - - if(pWin == WindowTable[0]) { - memcpy(pSprite->windows, WindowTable, - PanoramiXNumScreens*sizeof(WindowPtr)); - } else { - PanoramiXRes *win; - int rc, i; - - rc = dixLookupResourceByType((pointer *)&win, pWin->drawable.id, - XRT_WINDOW, serverClient, DixReadAccess); - if (rc != Success) - return FALSE; - - for(i = 0; i < PanoramiXNumScreens; i++) { - rc = dixLookupWindow(pSprite->windows + i, win->info[i].id, - serverClient, DixReadAccess); - if (rc != Success) /* window is being unmapped */ - return FALSE; - } - } - return TRUE; -} - -static void -XineramaConfineCursorToWindow(DeviceIntPtr pDev, - WindowPtr pWin, - Bool generateEvents) -{ - SpritePtr pSprite = pDev->spriteInfo->sprite; - - int x, y, off_x, off_y, i; - - if(!XineramaSetWindowPntrs(pDev, pWin)) - return; - - i = PanoramiXNumScreens - 1; - - REGION_COPY(pSprite->screen, &pSprite->Reg1, - &pSprite->windows[i]->borderSize); - off_x = panoramiXdataPtr[i].x; - off_y = panoramiXdataPtr[i].y; - - while(i--) { - x = off_x - panoramiXdataPtr[i].x; - y = off_y - panoramiXdataPtr[i].y; - - if(x || y) - REGION_TRANSLATE(pSprite->screen, &pSprite->Reg1, x, y); - - REGION_UNION(pSprite->screen, &pSprite->Reg1, &pSprite->Reg1, - &pSprite->windows[i]->borderSize); - - off_x = panoramiXdataPtr[i].x; - off_y = panoramiXdataPtr[i].y; - } - - pSprite->hotLimits = *REGION_EXTENTS(pSprite->screen, &pSprite->Reg1); - - if(REGION_NUM_RECTS(&pSprite->Reg1) > 1) - pSprite->hotShape = &pSprite->Reg1; - else - pSprite->hotShape = NullRegion; - - pSprite->confined = FALSE; - pSprite->confineWin = (pWin == WindowTable[0]) ? NullWindow : pWin; - - CheckPhysLimits(pDev, pSprite->current, generateEvents, FALSE, NULL); -} - -#endif /* PANORAMIX */ - -/** - * Modifies the filter for the given protocol event type to the given masks. - * - * There's only two callers: UpdateDeviceState() and XI's SetMaskForExtEvent(). - * The latter initialises masks for the matching XI events, it's a once-off - * setting. - * UDS however changes the mask for MotionNotify and DeviceMotionNotify each - * time a button is pressed to include the matching ButtonXMotion mask in the - * filter. - * - * @param[in] deviceid The device to modify the filter for. - * @param[in] mask The new filter mask. - * @param[in] event Protocol event type. - */ -void -SetMaskForEvent(int deviceid, Mask mask, int event) -{ - if (deviceid < 0 || deviceid >= MAXDEVICES) - FatalError("SetMaskForEvent: bogus device id"); - filters[deviceid][event] = mask; -} - -void -SetCriticalEvent(int event) -{ - if (event >= 128) - FatalError("SetCriticalEvent: bogus event number"); - criticalEvents[event >> 3] |= 1 << (event & 7); -} - -void -ConfineToShape(DeviceIntPtr pDev, RegionPtr shape, int *px, int *py) -{ - BoxRec box; - int x = *px, y = *py; - int incx = 1, incy = 1; - SpritePtr pSprite; - - pSprite = pDev->spriteInfo->sprite; - if (POINT_IN_REGION(pSprite->hot.pScreen, shape, x, y, &box)) - return; - box = *REGION_EXTENTS(pSprite->hot.pScreen, shape); - /* this is rather crude */ - do { - x += incx; - if (x >= box.x2) - { - incx = -1; - x = *px - 1; - } - else if (x < box.x1) - { - incx = 1; - x = *px; - y += incy; - if (y >= box.y2) - { - incy = -1; - y = *py - 1; - } - else if (y < box.y1) - return; /* should never get here! */ - } - } while (!POINT_IN_REGION(pSprite->hot.pScreen, shape, x, y, &box)); - *px = x; - *py = y; -} - -static void -CheckPhysLimits( - DeviceIntPtr pDev, - CursorPtr cursor, - Bool generateEvents, - Bool confineToScreen, /* unused if PanoramiX on */ - ScreenPtr pScreen) /* unused if PanoramiX on */ -{ - HotSpot new; - SpritePtr pSprite = pDev->spriteInfo->sprite; - - if (!cursor) - return; - new = pSprite->hotPhys; -#ifdef PANORAMIX - if (!noPanoramiXExtension) - /* I don't care what the DDX has to say about it */ - pSprite->physLimits = pSprite->hotLimits; - else -#endif - { - if (pScreen) - new.pScreen = pScreen; - else - pScreen = new.pScreen; - (*pScreen->CursorLimits) (pDev, pScreen, cursor, &pSprite->hotLimits, - &pSprite->physLimits); - pSprite->confined = confineToScreen; - (* pScreen->ConstrainCursor)(pDev, pScreen, &pSprite->physLimits); - } - - /* constrain the pointer to those limits */ - if (new.x < pSprite->physLimits.x1) - new.x = pSprite->physLimits.x1; - else - if (new.x >= pSprite->physLimits.x2) - new.x = pSprite->physLimits.x2 - 1; - if (new.y < pSprite->physLimits.y1) - new.y = pSprite->physLimits.y1; - else - if (new.y >= pSprite->physLimits.y2) - new.y = pSprite->physLimits.y2 - 1; - if (pSprite->hotShape) - ConfineToShape(pDev, pSprite->hotShape, &new.x, &new.y); - if (( -#ifdef PANORAMIX - noPanoramiXExtension && -#endif - (pScreen != pSprite->hotPhys.pScreen)) || - (new.x != pSprite->hotPhys.x) || (new.y != pSprite->hotPhys.y)) - { -#ifdef PANORAMIX - if (!noPanoramiXExtension) - { - if (pScreen && ((new.x != pSprite->hotPhys.x) || (new.y != pSprite->hotPhys.y))) - XineramaSetCursorPosition (pDev, new.x, new.y, generateEvents); - } - else -#endif - { - if (pScreen != pSprite->hotPhys.pScreen) - pSprite->hotPhys = new; - (*pScreen->SetCursorPosition) - (pDev, pScreen, new.x, new.y, generateEvents); - } - if (!generateEvents) - SyntheticMotion(pDev, new.x, new.y); - } - -#ifdef PANORAMIX - /* Tell DDX what the limits are */ - if (!noPanoramiXExtension) - XineramaConstrainCursor(pDev); -#endif -} - -static void -CheckVirtualMotion( - DeviceIntPtr pDev, - QdEventPtr qe, - WindowPtr pWin) -{ - SpritePtr pSprite = pDev->spriteInfo->sprite; - RegionPtr reg = NULL; - DeviceEvent *ev = NULL; - - if (qe) - { - ev = &qe->event->device_event; - switch(ev->type) - { - case ET_Motion: - case ET_ButtonPress: - case ET_ButtonRelease: - case ET_KeyPress: - case ET_KeyRelease: - case ET_ProximityIn: - case ET_ProximityOut: - pSprite->hot.pScreen = qe->pScreen; - pSprite->hot.x = ev->root_x; - pSprite->hot.y = ev->root_y; - pWin = pDev->deviceGrab.grab ? pDev->deviceGrab.grab->confineTo : NullWindow; - break; - default: - break; - } - } - if (pWin) - { - BoxRec lims; - -#ifdef PANORAMIX - if (!noPanoramiXExtension) { - int x, y, off_x, off_y, i; - - if(!XineramaSetWindowPntrs(pDev, pWin)) - return; - - i = PanoramiXNumScreens - 1; - - REGION_COPY(pSprite->screen, &pSprite->Reg2, - &pSprite->windows[i]->borderSize); - off_x = panoramiXdataPtr[i].x; - off_y = panoramiXdataPtr[i].y; - - while(i--) { - x = off_x - panoramiXdataPtr[i].x; - y = off_y - panoramiXdataPtr[i].y; - - if(x || y) - REGION_TRANSLATE(pSprite->screen, &pSprite->Reg2, x, y); - - REGION_UNION(pSprite->screen, &pSprite->Reg2, &pSprite->Reg2, - &pSprite->windows[i]->borderSize); - - off_x = panoramiXdataPtr[i].x; - off_y = panoramiXdataPtr[i].y; - } - } else -#endif - { - if (pSprite->hot.pScreen != pWin->drawable.pScreen) - { - pSprite->hot.pScreen = pWin->drawable.pScreen; - pSprite->hot.x = pSprite->hot.y = 0; - } - } - - lims = *REGION_EXTENTS(pWin->drawable.pScreen, &pWin->borderSize); - if (pSprite->hot.x < lims.x1) - pSprite->hot.x = lims.x1; - else if (pSprite->hot.x >= lims.x2) - pSprite->hot.x = lims.x2 - 1; - if (pSprite->hot.y < lims.y1) - pSprite->hot.y = lims.y1; - else if (pSprite->hot.y >= lims.y2) - pSprite->hot.y = lims.y2 - 1; - -#ifdef PANORAMIX - if (!noPanoramiXExtension) - { - if (REGION_NUM_RECTS(&pSprite->Reg2) > 1) - reg = &pSprite->Reg2; - - } else -#endif - { - if (wBoundingShape(pWin)) - reg = &pWin->borderSize; - } - - if (reg) - ConfineToShape(pDev, reg, &pSprite->hot.x, &pSprite->hot.y); - - if (qe && ev) - { - qe->pScreen = pSprite->hot.pScreen; - ev->root_x = pSprite->hot.x; - ev->root_y = pSprite->hot.y; - } - } -#ifdef PANORAMIX - if (noPanoramiXExtension) /* No typo. Only set the root win if disabled */ -#endif - RootWindow(pDev) = WindowTable[pSprite->hot.pScreen->myNum]; -} - -static void -ConfineCursorToWindow(DeviceIntPtr pDev, WindowPtr pWin, Bool generateEvents, Bool confineToScreen) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - SpritePtr pSprite = pDev->spriteInfo->sprite; - - if (syncEvents.playingEvents) - { - CheckVirtualMotion(pDev, (QdEventPtr)NULL, pWin); - SyntheticMotion(pDev, pSprite->hot.x, pSprite->hot.y); - } - else - { -#ifdef PANORAMIX - if(!noPanoramiXExtension) { - XineramaConfineCursorToWindow(pDev, pWin, generateEvents); - return; - } -#endif - pSprite->hotLimits = *REGION_EXTENTS( pScreen, &pWin->borderSize); - pSprite->hotShape = wBoundingShape(pWin) ? &pWin->borderSize - : NullRegion; - CheckPhysLimits(pDev, pSprite->current, generateEvents, - confineToScreen, pScreen); - } -} - -Bool -PointerConfinedToScreen(DeviceIntPtr pDev) -{ - return pDev->spriteInfo->sprite->confined; -} - -/** - * Update the sprite cursor to the given cursor. - * - * ChangeToCursor() will display the new cursor and free the old cursor (if - * applicable). If the provided cursor is already the updated cursor, nothing - * happens. - */ -static void -ChangeToCursor(DeviceIntPtr pDev, CursorPtr cursor) -{ - SpritePtr pSprite = pDev->spriteInfo->sprite; - ScreenPtr pScreen; - - if (cursor != pSprite->current) - { - if ((pSprite->current->bits->xhot != cursor->bits->xhot) || - (pSprite->current->bits->yhot != cursor->bits->yhot)) - CheckPhysLimits(pDev, cursor, FALSE, pSprite->confined, - (ScreenPtr)NULL); -#ifdef PANORAMIX - /* XXX: is this really necessary?? (whot) */ - if (!noPanoramiXExtension) - pScreen = pSprite->screen; - else -#endif - pScreen = pSprite->hotPhys.pScreen; - - (*pScreen->DisplayCursor)(pDev, pScreen, cursor); - FreeCursor(pSprite->current, (Cursor)0); - pSprite->current = cursor; - pSprite->current->refcnt++; - } -} - -/** - * @returns true if b is a descendent of a - */ -Bool -IsParent(WindowPtr a, WindowPtr b) -{ - for (b = b->parent; b; b = b->parent) - if (b == a) return TRUE; - return FALSE; -} - -/** - * Update the cursor displayed on the screen. - * - * Called whenever a cursor may have changed shape or position. - */ -static void -PostNewCursor(DeviceIntPtr pDev) -{ - WindowPtr win; - GrabPtr grab = pDev->deviceGrab.grab; - SpritePtr pSprite = pDev->spriteInfo->sprite; - CursorPtr pCursor; - - if (syncEvents.playingEvents) - return; - if (grab) - { - if (grab->cursor) - { - ChangeToCursor(pDev, grab->cursor); - return; - } - if (IsParent(grab->window, pSprite->win)) - win = pSprite->win; - else - win = grab->window; - } - else - win = pSprite->win; - for (; win; win = win->parent) - { - if (win->optional) - { - pCursor = WindowGetDeviceCursor(win, pDev); - if (!pCursor && win->optional->cursor != NullCursor) - pCursor = win->optional->cursor; - if (pCursor) - { - ChangeToCursor(pDev, pCursor); - return; - } - } - } -} - - -/** - * @param dev device which you want to know its current root window - * @return root window where dev's sprite is located - */ -WindowPtr -GetCurrentRootWindow(DeviceIntPtr dev) -{ - return RootWindow(dev); -} - -/** - * @return window underneath the cursor sprite. - */ -WindowPtr -GetSpriteWindow(DeviceIntPtr pDev) -{ - return pDev->spriteInfo->sprite->win; -} - -/** - * @return current sprite cursor. - */ -CursorPtr -GetSpriteCursor(DeviceIntPtr pDev) -{ - return pDev->spriteInfo->sprite->current; -} - -/** - * Set x/y current sprite position in screen coordinates. - */ -void -GetSpritePosition(DeviceIntPtr pDev, int *px, int *py) -{ - SpritePtr pSprite = pDev->spriteInfo->sprite; - *px = pSprite->hotPhys.x; - *py = pSprite->hotPhys.y; -} - -#ifdef PANORAMIX -int -XineramaGetCursorScreen(DeviceIntPtr pDev) -{ - if(!noPanoramiXExtension) { - return pDev->spriteInfo->sprite->screen->myNum; - } else { - return 0; - } -} -#endif /* PANORAMIX */ - -#define TIMESLOP (5 * 60 * 1000) /* 5 minutes */ - -static void -MonthChangedOrBadTime(InternalEvent *ev) -{ - /* If the ddx/OS is careless about not processing timestamped events from - * different sources in sorted order, then it's possible for time to go - * backwards when it should not. Here we ensure a decent time. - */ - if ((currentTime.milliseconds - ev->any.time) > TIMESLOP) - currentTime.months++; - else - ev->any.time = currentTime.milliseconds; -} - -static void -NoticeTime(InternalEvent *ev) -{ - if (ev->any.time < currentTime.milliseconds) - MonthChangedOrBadTime(ev); - currentTime.milliseconds = ev->any.time; - lastDeviceEventTime = currentTime; -} - -void -NoticeEventTime(InternalEvent *ev) -{ - if (!syncEvents.playingEvents) - NoticeTime(ev); -} - -/************************************************************************** - * The following procedures deal with synchronous events * - **************************************************************************/ - -/** - * EnqueueEvent is a device's processInputProc if a device is frozen. - * Instead of delivering the events to the client, the event is tacked onto a - * linked list for later delivery. - */ -void -EnqueueEvent(InternalEvent *ev, DeviceIntPtr device) -{ - QdEventPtr tail = *syncEvents.pendtail; - QdEventPtr qe; - SpritePtr pSprite = device->spriteInfo->sprite; - int eventlen; - DeviceEvent *event = &ev->device_event; - - NoticeTime((InternalEvent*)event); - - /* Fix for key repeating bug. */ - if (device->key != NULL && device->key->xkbInfo != NULL && - event->type == ET_KeyRelease) - AccessXCancelRepeatKey(device->key->xkbInfo, event->detail.key); - - if (DeviceEventCallback) - { - DeviceEventInfoRec eventinfo; - - /* The RECORD spec says that the root window field of motion events - * must be valid. At this point, it hasn't been filled in yet, so - * we do it here. The long expression below is necessary to get - * the current root window; the apparently reasonable alternative - * GetCurrentRootWindow()->drawable.id doesn't give you the right - * answer on the first motion event after a screen change because - * the data that GetCurrentRootWindow relies on hasn't been - * updated yet. - */ - if (ev->any.type == ET_Motion) - ev->device_event.root = WindowTable[pSprite->hotPhys.pScreen->myNum]->drawable.id; - - eventinfo.event = ev; - eventinfo.device = device; - CallCallbacks(&DeviceEventCallback, (pointer)&eventinfo); - } - - if (event->type == ET_Motion) - { -#ifdef PANORAMIX - if(!noPanoramiXExtension) { - event->root_x += panoramiXdataPtr[pSprite->screen->myNum].x - - panoramiXdataPtr[0].x; - event->root_y += panoramiXdataPtr[pSprite->screen->myNum].y - - panoramiXdataPtr[0].y; - } -#endif - pSprite->hotPhys.x = event->root_x; - pSprite->hotPhys.y = event->root_y; - /* do motion compression, but not if from different devices */ - if (tail && - (tail->event->any.type == ET_Motion) && - (tail->device == device) && - (tail->pScreen == pSprite->hotPhys.pScreen)) - { - DeviceEvent *tailev = &tail->event->device_event; - tailev->root_x = pSprite->hotPhys.x; - tailev->root_y = pSprite->hotPhys.y; - tailev->time = event->time; - tail->months = currentTime.months; - return; - } - } - - eventlen = event->length; - - qe = xalloc(sizeof(QdEventRec) + eventlen); - if (!qe) - return; - qe->next = (QdEventPtr)NULL; - qe->device = device; - qe->pScreen = pSprite->hotPhys.pScreen; - qe->months = currentTime.months; - qe->event = (InternalEvent *)(qe + 1); - memcpy(qe->event, event, eventlen); - if (tail) - syncEvents.pendtail = &tail->next; - *syncEvents.pendtail = qe; -} - -/** - * Run through the list of events queued up in syncEvents. - * For each event do: - * If the device for this event is not frozen anymore, take it and process it - * as usually. - * After that, check if there's any devices in the list that are not frozen. - * If there is none, we're done. If there is at least one device that is not - * frozen, then re-run from the beginning of the event queue. - */ -static void -PlayReleasedEvents(void) -{ - QdEventPtr *prev, qe; - DeviceIntPtr dev; - DeviceIntPtr pDev; - - prev = &syncEvents.pending; - while ( (qe = *prev) ) - { - if (!qe->device->deviceGrab.sync.frozen) - { - *prev = qe->next; - pDev = qe->device; - if (*syncEvents.pendtail == *prev) - syncEvents.pendtail = prev; - if (qe->event->any.type == ET_Motion) - CheckVirtualMotion(pDev, qe, NullWindow); - syncEvents.time.months = qe->months; - syncEvents.time.milliseconds = qe->event->any.time; -#ifdef PANORAMIX - /* Translate back to the sprite screen since processInputProc - will translate from sprite screen to screen 0 upon reentry - to the DIX layer */ - if(!noPanoramiXExtension) { - DeviceEvent *ev = &qe->event->device_event; - switch(ev->type) - { - case ET_Motion: - case ET_ButtonPress: - case ET_ButtonRelease: - case ET_KeyPress: - case ET_KeyRelease: - case ET_ProximityIn: - case ET_ProximityOut: - ev->root_x += panoramiXdataPtr[0].x - - panoramiXdataPtr[pDev->spriteInfo->sprite->screen->myNum].x; - ev->root_y += panoramiXdataPtr[0].y - - panoramiXdataPtr[pDev->spriteInfo->sprite->screen->myNum].y; - break; - default: - break; - } - - } -#endif - (*qe->device->public.processInputProc)(qe->event, qe->device); - xfree(qe); - for (dev = inputInfo.devices; dev && dev->deviceGrab.sync.frozen; dev = dev->next) - ; - if (!dev) - break; - /* Playing the event may have unfrozen another device. */ - /* So to play it safe, restart at the head of the queue */ - prev = &syncEvents.pending; - } - else - prev = &qe->next; - } -} - -/** - * Freeze or thaw the given devices. The device's processing proc is - * switched to either the real processing proc (in case of thawing) or an - * enqueuing processing proc (usually EnqueueEvent()). - * - * @param dev The device to freeze/thaw - * @param frozen True to freeze or false to thaw. - */ -static void -FreezeThaw(DeviceIntPtr dev, Bool frozen) -{ - dev->deviceGrab.sync.frozen = frozen; - if (frozen) - dev->public.processInputProc = dev->public.enqueueInputProc; - else - dev->public.processInputProc = dev->public.realInputProc; -} - -/** - * Unfreeze devices and replay all events to the respective clients. - * - * ComputeFreezes takes the first event in the device's frozen event queue. It - * runs up the sprite tree (spriteTrace) and searches for the window to replay - * the events from. If it is found, it checks for passive grabs one down from - * the window or delivers the events. - */ -static void -ComputeFreezes(void) -{ - DeviceIntPtr replayDev = syncEvents.replayDev; - int i; - WindowPtr w; - GrabPtr grab; - DeviceIntPtr dev; - - for (dev = inputInfo.devices; dev; dev = dev->next) - FreezeThaw(dev, dev->deviceGrab.sync.other || - (dev->deviceGrab.sync.state >= FROZEN)); - if (syncEvents.playingEvents || (!replayDev && !syncEvents.pending)) - return; - syncEvents.playingEvents = TRUE; - if (replayDev) - { - DeviceEvent* event = replayDev->deviceGrab.sync.event; - - syncEvents.replayDev = (DeviceIntPtr)NULL; - - w = XYToWindow(replayDev, event->root_x, event->root_y); - for (i = 0; i < replayDev->spriteInfo->sprite->spriteTraceGood; i++) - { - if (syncEvents.replayWin == - replayDev->spriteInfo->sprite->spriteTrace[i]) - { - if (!CheckDeviceGrabs(replayDev, event, i+1)) { - if (replayDev->focus && !IsPointerEvent((InternalEvent*)event)) - DeliverFocusedEvent(replayDev, (InternalEvent*)event, w); - else - DeliverDeviceEvents(w, (InternalEvent*)event, NullGrab, - NullWindow, replayDev); - } - goto playmore; - } - } - /* must not still be in the same stack */ - if (replayDev->focus && !IsPointerEvent((InternalEvent*)event)) - DeliverFocusedEvent(replayDev, (InternalEvent*)event, w); - else - DeliverDeviceEvents(w, (InternalEvent*)event, NullGrab, - NullWindow, replayDev); - } -playmore: - for (dev = inputInfo.devices; dev; dev = dev->next) - { - if (!dev->deviceGrab.sync.frozen) - { - PlayReleasedEvents(); - break; - } - } - syncEvents.playingEvents = FALSE; - for (dev = inputInfo.devices; dev; dev = dev->next) - { - if (DevHasCursor(dev)) - { - /* the following may have been skipped during replay, - so do it now */ - if ((grab = dev->deviceGrab.grab) && grab->confineTo) - { - if (grab->confineTo->drawable.pScreen != - dev->spriteInfo->sprite->hotPhys.pScreen) - dev->spriteInfo->sprite->hotPhys.x = - dev->spriteInfo->sprite->hotPhys.y = 0; - ConfineCursorToWindow(dev, grab->confineTo, TRUE, TRUE); - } - else - ConfineCursorToWindow(dev, - WindowTable[dev->spriteInfo->sprite->hotPhys.pScreen->myNum], - TRUE, FALSE); - PostNewCursor(dev); - } - } -} - -#ifdef RANDR -void -ScreenRestructured (ScreenPtr pScreen) -{ - GrabPtr grab; - DeviceIntPtr pDev; - - for (pDev = inputInfo.devices; pDev; pDev = pDev->next) - { - if (!DevHasCursor(pDev)) - continue; - - /* GrabDevice doesn't have a confineTo field, so we don't need to - * worry about it. */ - if ((grab = pDev->deviceGrab.grab) && grab->confineTo) - { - if (grab->confineTo->drawable.pScreen - != pDev->spriteInfo->sprite->hotPhys.pScreen) - pDev->spriteInfo->sprite->hotPhys.x = pDev->spriteInfo->sprite->hotPhys.y = 0; - ConfineCursorToWindow(pDev, grab->confineTo, TRUE, TRUE); - } - else - ConfineCursorToWindow(pDev, - WindowTable[pDev->spriteInfo->sprite->hotPhys.pScreen->myNum], - TRUE, FALSE); - } -} -#endif - -static void -CheckGrabForSyncs(DeviceIntPtr thisDev, Bool thisMode, Bool otherMode) -{ - GrabPtr grab = thisDev->deviceGrab.grab; - DeviceIntPtr dev; - - if (thisMode == GrabModeSync) - thisDev->deviceGrab.sync.state = FROZEN_NO_EVENT; - else - { /* free both if same client owns both */ - thisDev->deviceGrab.sync.state = THAWED; - if (thisDev->deviceGrab.sync.other && - (CLIENT_BITS(thisDev->deviceGrab.sync.other->resource) == - CLIENT_BITS(grab->resource))) - thisDev->deviceGrab.sync.other = NullGrab; - } - - if (IsMaster(thisDev)) - { - dev = GetPairedDevice(thisDev); - if (otherMode == GrabModeSync) - dev->deviceGrab.sync.other = grab; - else - { /* free both if same client owns both */ - if (dev->deviceGrab.sync.other && - (CLIENT_BITS(dev->deviceGrab.sync.other->resource) == - CLIENT_BITS(grab->resource))) - dev->deviceGrab.sync.other = NullGrab; - } - } - ComputeFreezes(); -} - -/** - * Save the device's master device id. This needs to be done - * if a client directly grabs a slave device that is attached to a master. For - * the duration of the grab, the device is detached, ungrabbing re-attaches it - * though. - * - * We store the ID of the master device only in case the master disappears - * while the device has a grab. - */ -static void -DetachFromMaster(DeviceIntPtr dev) -{ - if (!dev->u.master) - return; - - dev->saved_master_id = dev->u.master->id; - - AttachDevice(NULL, dev, NULL); -} - -static void -ReattachToOldMaster(DeviceIntPtr dev) -{ - DeviceIntPtr master = NULL; - - if (IsMaster(dev)) - return; - - dixLookupDevice(&master, dev->saved_master_id, serverClient, DixUseAccess); - - if (master) - { - AttachDevice(serverClient, dev, master); - dev->saved_master_id = 0; - } -} - -/** - * Activate a pointer grab on the given device. A pointer grab will cause all - * core pointer events of this device to be delivered to the grabbing client only. - * No other device will send core events to the grab client while the grab is - * on, but core events will be sent to other clients. - * Can cause the cursor to change if a grab cursor is set. - * - * Note that parameter autoGrab may be (True & ImplicitGrabMask) if the grab - * is an implicit grab caused by a ButtonPress event. - * - * @param mouse The device to grab. - * @param grab The grab structure, needs to be setup. - * @param autoGrab True if the grab was caused by a button down event and not - * explicitely by a client. - */ -void -ActivatePointerGrab(DeviceIntPtr mouse, GrabPtr grab, - TimeStamp time, Bool autoGrab) -{ - GrabInfoPtr grabinfo = &mouse->deviceGrab; - WindowPtr oldWin = (grabinfo->grab) ? - grabinfo->grab->window - : mouse->spriteInfo->sprite->win; - Bool isPassive = autoGrab & ~ImplicitGrabMask; - - /* slave devices need to float for the duration of the grab. */ - if (grab->grabtype == GRABTYPE_XI2 && - !(autoGrab & ImplicitGrabMask) && !IsMaster(mouse)) - DetachFromMaster(mouse); - - if (grab->confineTo) - { - if (grab->confineTo->drawable.pScreen - != mouse->spriteInfo->sprite->hotPhys.pScreen) - mouse->spriteInfo->sprite->hotPhys.x = - mouse->spriteInfo->sprite->hotPhys.y = 0; - ConfineCursorToWindow(mouse, grab->confineTo, FALSE, TRUE); - } - DoEnterLeaveEvents(mouse, mouse->id, oldWin, grab->window, NotifyGrab); - mouse->valuator->motionHintWindow = NullWindow; - if (syncEvents.playingEvents) - grabinfo->grabTime = syncEvents.time; - else - grabinfo->grabTime = time; - if (grab->cursor) - grab->cursor->refcnt++; - grabinfo->activeGrab = *grab; - grabinfo->grab = &grabinfo->activeGrab; - grabinfo->fromPassiveGrab = isPassive; - grabinfo->implicitGrab = autoGrab & ImplicitGrabMask; - PostNewCursor(mouse); - CheckGrabForSyncs(mouse,(Bool)grab->pointerMode, (Bool)grab->keyboardMode); -} - -/** - * Delete grab on given device, update the sprite. - * - * Extension devices are set up for ActivateKeyboardGrab(). - */ -void -DeactivatePointerGrab(DeviceIntPtr mouse) -{ - GrabPtr grab = mouse->deviceGrab.grab; - DeviceIntPtr dev; - Bool wasImplicit = (mouse->deviceGrab.fromPassiveGrab && - mouse->deviceGrab.implicitGrab); - - mouse->valuator->motionHintWindow = NullWindow; - mouse->deviceGrab.grab = NullGrab; - mouse->deviceGrab.sync.state = NOT_GRABBED; - mouse->deviceGrab.fromPassiveGrab = FALSE; - - for (dev = inputInfo.devices; dev; dev = dev->next) - { - if (dev->deviceGrab.sync.other == grab) - dev->deviceGrab.sync.other = NullGrab; - } - DoEnterLeaveEvents(mouse, mouse->id, grab->window, - mouse->spriteInfo->sprite->win, NotifyUngrab); - if (grab->confineTo) - ConfineCursorToWindow(mouse, RootWindow(mouse), FALSE, FALSE); - PostNewCursor(mouse); - if (grab->cursor) - FreeCursor(grab->cursor, (Cursor)0); - - if (!wasImplicit && grab->grabtype == GRABTYPE_XI2) - ReattachToOldMaster(mouse); - - ComputeFreezes(); -} - -/** - * Activate a keyboard grab on the given device. - * - * Extension devices have ActivateKeyboardGrab() set as their grabbing proc. - */ -void -ActivateKeyboardGrab(DeviceIntPtr keybd, GrabPtr grab, TimeStamp time, Bool passive) -{ - GrabInfoPtr grabinfo = &keybd->deviceGrab; - WindowPtr oldWin; - - /* slave devices need to float for the duration of the grab. */ - if (grab->grabtype == GRABTYPE_XI2 && - !(passive & ImplicitGrabMask) && - !IsMaster(keybd)) - DetachFromMaster(keybd); - - if (grabinfo->grab) - oldWin = grabinfo->grab->window; - else if (keybd->focus) - oldWin = keybd->focus->win; - else - oldWin = keybd->spriteInfo->sprite->win; - if (oldWin == FollowKeyboardWin) - oldWin = keybd->focus->win; - if (keybd->valuator) - keybd->valuator->motionHintWindow = NullWindow; - DoFocusEvents(keybd, oldWin, grab->window, NotifyGrab); - if (syncEvents.playingEvents) - grabinfo->grabTime = syncEvents.time; - else - grabinfo->grabTime = time; - grabinfo->activeGrab = *grab; - grabinfo->grab = &grabinfo->activeGrab; - grabinfo->fromPassiveGrab = passive; - grabinfo->implicitGrab = passive & ImplicitGrabMask; - CheckGrabForSyncs(keybd, (Bool)grab->keyboardMode, (Bool)grab->pointerMode); -} - -/** - * Delete keyboard grab for the given device. - */ -void -DeactivateKeyboardGrab(DeviceIntPtr keybd) -{ - GrabPtr grab = keybd->deviceGrab.grab; - DeviceIntPtr dev; - WindowPtr focusWin = keybd->focus ? keybd->focus->win - : keybd->spriteInfo->sprite->win; - Bool wasImplicit = (keybd->deviceGrab.fromPassiveGrab && - keybd->deviceGrab.implicitGrab); - - if (focusWin == FollowKeyboardWin) - focusWin = inputInfo.keyboard->focus->win; - if (keybd->valuator) - keybd->valuator->motionHintWindow = NullWindow; - keybd->deviceGrab.grab = NullGrab; - keybd->deviceGrab.sync.state = NOT_GRABBED; - keybd->deviceGrab.fromPassiveGrab = FALSE; - - for (dev = inputInfo.devices; dev; dev = dev->next) - { - if (dev->deviceGrab.sync.other == grab) - dev->deviceGrab.sync.other = NullGrab; - } - DoFocusEvents(keybd, grab->window, focusWin, NotifyUngrab); - - if (!wasImplicit && grab->grabtype == GRABTYPE_XI2) - ReattachToOldMaster(keybd); - - ComputeFreezes(); -} - -void -AllowSome(ClientPtr client, - TimeStamp time, - DeviceIntPtr thisDev, - int newState) -{ - Bool thisGrabbed, otherGrabbed, othersFrozen, thisSynced; - TimeStamp grabTime; - DeviceIntPtr dev; - GrabInfoPtr devgrabinfo, - grabinfo = &thisDev->deviceGrab; - - thisGrabbed = grabinfo->grab && SameClient(grabinfo->grab, client); - thisSynced = FALSE; - otherGrabbed = FALSE; - othersFrozen = FALSE; - grabTime = grabinfo->grabTime; - for (dev = inputInfo.devices; dev; dev = dev->next) - { - devgrabinfo = &dev->deviceGrab; - - if (dev == thisDev) - continue; - if (devgrabinfo->grab && SameClient(devgrabinfo->grab, client)) - { - if (!(thisGrabbed || otherGrabbed) || - (CompareTimeStamps(devgrabinfo->grabTime, grabTime) == LATER)) - grabTime = devgrabinfo->grabTime; - otherGrabbed = TRUE; - if (grabinfo->sync.other == devgrabinfo->grab) - thisSynced = TRUE; - if (devgrabinfo->sync.state >= FROZEN) - othersFrozen = TRUE; - } - } - if (!((thisGrabbed && grabinfo->sync.state >= FROZEN) || thisSynced)) - return; - if ((CompareTimeStamps(time, currentTime) == LATER) || - (CompareTimeStamps(time, grabTime) == EARLIER)) - return; - switch (newState) - { - case THAWED: /* Async */ - if (thisGrabbed) - grabinfo->sync.state = THAWED; - if (thisSynced) - grabinfo->sync.other = NullGrab; - ComputeFreezes(); - break; - case FREEZE_NEXT_EVENT: /* Sync */ - if (thisGrabbed) - { - grabinfo->sync.state = FREEZE_NEXT_EVENT; - if (thisSynced) - grabinfo->sync.other = NullGrab; - ComputeFreezes(); - } - break; - case THAWED_BOTH: /* AsyncBoth */ - if (othersFrozen) - { - for (dev = inputInfo.devices; dev; dev = dev->next) - { - devgrabinfo = &dev->deviceGrab; - if (devgrabinfo->grab - && SameClient(devgrabinfo->grab, client)) - devgrabinfo->sync.state = THAWED; - if (devgrabinfo->sync.other && - SameClient(devgrabinfo->sync.other, client)) - devgrabinfo->sync.other = NullGrab; - } - ComputeFreezes(); - } - break; - case FREEZE_BOTH_NEXT_EVENT: /* SyncBoth */ - if (othersFrozen) - { - for (dev = inputInfo.devices; dev; dev = dev->next) - { - devgrabinfo = &dev->deviceGrab; - if (devgrabinfo->grab - && SameClient(devgrabinfo->grab, client)) - devgrabinfo->sync.state = FREEZE_BOTH_NEXT_EVENT; - if (devgrabinfo->sync.other - && SameClient(devgrabinfo->sync.other, client)) - devgrabinfo->sync.other = NullGrab; - } - ComputeFreezes(); - } - break; - case NOT_GRABBED: /* Replay */ - if (thisGrabbed && grabinfo->sync.state == FROZEN_WITH_EVENT) - { - if (thisSynced) - grabinfo->sync.other = NullGrab; - syncEvents.replayDev = thisDev; - syncEvents.replayWin = grabinfo->grab->window; - (*grabinfo->DeactivateGrab)(thisDev); - syncEvents.replayDev = (DeviceIntPtr)NULL; - } - break; - case THAW_OTHERS: /* AsyncOthers */ - if (othersFrozen) - { - for (dev = inputInfo.devices; dev; dev = dev->next) - { - if (dev == thisDev) - continue; - devgrabinfo = &dev->deviceGrab; - if (devgrabinfo->grab - && SameClient(devgrabinfo->grab, client)) - devgrabinfo->sync.state = THAWED; - if (devgrabinfo->sync.other - && SameClient(devgrabinfo->sync.other, client)) - devgrabinfo->sync.other = NullGrab; - } - ComputeFreezes(); - } - break; - } -} - -/** - * Server-side protocol handling for AllowEvents request. - * - * Release some events from a frozen device. - */ -int -ProcAllowEvents(ClientPtr client) -{ - TimeStamp time; - DeviceIntPtr mouse = NULL; - DeviceIntPtr keybd = NULL; - REQUEST(xAllowEventsReq); - - REQUEST_SIZE_MATCH(xAllowEventsReq); - time = ClientTimeToServerTime(stuff->time); - - mouse = PickPointer(client); - keybd = PickKeyboard(client); - - switch (stuff->mode) - { - case ReplayPointer: - AllowSome(client, time, mouse, NOT_GRABBED); - break; - case SyncPointer: - AllowSome(client, time, mouse, FREEZE_NEXT_EVENT); - break; - case AsyncPointer: - AllowSome(client, time, mouse, THAWED); - break; - case ReplayKeyboard: - AllowSome(client, time, keybd, NOT_GRABBED); - break; - case SyncKeyboard: - AllowSome(client, time, keybd, FREEZE_NEXT_EVENT); - break; - case AsyncKeyboard: - AllowSome(client, time, keybd, THAWED); - break; - case SyncBoth: - AllowSome(client, time, keybd, FREEZE_BOTH_NEXT_EVENT); - break; - case AsyncBoth: - AllowSome(client, time, keybd, THAWED_BOTH); - break; - default: - client->errorValue = stuff->mode; - return BadValue; - } - return Success; -} - -/** - * Deactivate grabs from any device that has been grabbed by the client. - */ -void -ReleaseActiveGrabs(ClientPtr client) -{ - DeviceIntPtr dev; - Bool done; - - /* XXX CloseDownClient should remove passive grabs before - * releasing active grabs. - */ - do { - done = TRUE; - for (dev = inputInfo.devices; dev; dev = dev->next) - { - if (dev->deviceGrab.grab && SameClient(dev->deviceGrab.grab, client)) - { - (*dev->deviceGrab.DeactivateGrab)(dev); - done = FALSE; - } - } - } while (!done); -} - -/************************************************************************** - * The following procedures deal with delivering events * - **************************************************************************/ - -/** - * Deliver the given events to the given client. - * - * More than one event may be delivered at a time. This is the case with - * DeviceMotionNotifies which may be followed by DeviceValuator events. - * - * TryClientEvents() is the last station before actually writing the events to - * the socket. Anything that is not filtered here, will get delivered to the - * client. - * An event is only delivered if - * - mask and filter match up. - * - no other client has a grab on the device that caused the event. - * - * - * @param client The target client to deliver to. - * @param dev The device the event came from. May be NULL. - * @param pEvents The events to be delivered. - * @param count Number of elements in pEvents. - * @param mask Event mask as set by the window. - * @param filter Mask based on event type. - * @param grab Possible grab on the device that caused the event. - * - * @return 1 if event was delivered, 0 if not or -1 if grab was not set by the - * client. - */ -int -TryClientEvents (ClientPtr client, DeviceIntPtr dev, xEvent *pEvents, - int count, Mask mask, Mask filter, GrabPtr grab) -{ - int i; - int type; - -#ifdef DEBUG_EVENTS - ErrorF("[dix] Event([%d, %d], mask=0x%lx), client=%d%s", - pEvents->u.u.type, pEvents->u.u.detail, mask, - client ? client->index : -1, - (client && client->clientGone) ? " (gone)" : ""); -#endif - - if (!client || client == serverClient || client->clientGone) { -#ifdef DEBUG_EVENTS - ErrorF(" not delivered to fake/dead client\n"); -#endif - return 0; - } - - if (filter != CantBeFiltered && !(mask & filter)) - { - #ifdef DEBUG_EVENTS - ErrorF(" filtered\n"); - #endif - return 0; - } - - if (grab && !SameClient(grab, client)) - { -#ifdef DEBUG_EVENTS - ErrorF(" not delivered due to grab\n"); -#endif - return -1; /* don't send, but notify caller */ - } - - type = pEvents->u.u.type; - if (type == MotionNotify) - { - if (mask & PointerMotionHintMask) - { - if (WID(dev->valuator->motionHintWindow) == - pEvents->u.keyButtonPointer.event) - { -#ifdef DEBUG_EVENTS - ErrorF("[dix] \n"); - ErrorF("[dix] motionHintWindow == keyButtonPointer.event\n"); -#endif - return 1; /* don't send, but pretend we did */ - } - pEvents->u.u.detail = NotifyHint; - } - else - { - pEvents->u.u.detail = NotifyNormal; - } - } - else if (type == DeviceMotionNotify) - { - if (MaybeSendDeviceMotionNotifyHint((deviceKeyButtonPointer*)pEvents, - mask) != 0) - return 1; - } else if (type == KeyPress) - { - if (EventIsKeyRepeat(pEvents)) - { - if (!_XkbWantsDetectableAutoRepeat(client)) - { - xEvent release = *pEvents; - release.u.u.type = KeyRelease; - release.u.u.sequenceNumber = client->sequence; - WriteEventsToClient(client, 1, &release); -#ifdef DEBUG_EVENTS - ErrorF(" (plus fake core release for repeat)"); -#endif - } else - { -#ifdef DEBUG_EVENTS - ErrorF(" (detectable autorepeat for core)"); -#endif - } - } - - } else if (type == DeviceKeyPress) - { - if (EventIsKeyRepeat(pEvents)) - { - if (!_XkbWantsDetectableAutoRepeat(client)) - { - deviceKeyButtonPointer release = *(deviceKeyButtonPointer *)pEvents; - release.type = DeviceKeyRelease; - release.sequenceNumber = client->sequence; -#ifdef DEBUG_EVENTS - ErrorF(" (plus fake xi1 release for repeat)"); -#endif - WriteEventsToClient(client, 1, (xEvent *) &release); - } - else { -#ifdef DEBUG_EVENTS - ErrorF(" (detectable autorepeat for core)"); -#endif - } - } - } - - type &= 0177; - if (type != KeymapNotify) - { - /* all extension events must have a sequence number */ - for (i = 0; i < count; i++) - pEvents[i].u.u.sequenceNumber = client->sequence; - } - - if (BitIsOn(criticalEvents, type)) - { - if (client->smart_priority < SMART_MAX_PRIORITY) - client->smart_priority++; - SetCriticalOutputPending(); - } - - WriteEventsToClient(client, count, pEvents); -#ifdef DEBUG_EVENTS - ErrorF("[dix] delivered\n"); -#endif - return 1; -} - -/** - * Deliver events to a window. At this point, we do not yet know if the event - * actually needs to be delivered. May activate a grab if the event is a - * button press. - * - * Core events are always delivered to the window owner. If the filter is - * something other than CantBeFiltered, the event is also delivered to other - * clients with the matching mask on the window. - * - * More than one event may be delivered at a time. This is the case with - * DeviceMotionNotifies which may be followed by DeviceValuator events. - * - * @param pWin The window that would get the event. - * @param pEvents The events to be delivered. - * @param count Number of elements in pEvents. - * @param filter Mask based on event type. - * @param grab Possible grab on the device that caused the event. - * - * @return Number of events delivered to various clients. - */ -int -DeliverEventsToWindow(DeviceIntPtr pDev, WindowPtr pWin, xEvent - *pEvents, int count, Mask filter, GrabPtr grab) -{ - int deliveries = 0, nondeliveries = 0; - int attempt; - InputClients *other; - ClientPtr client = NullClient; - Mask deliveryMask = 0; /* If a grab occurs due to a button press, then - this mask is the mask of the grab. */ - int type = pEvents->u.u.type; - - - /* Deliver to window owner */ - if ((filter == CantBeFiltered) || CORE_EVENT(pEvents)) - { - /* if nobody ever wants to see this event, skip some work */ - if (filter != CantBeFiltered && - !((wOtherEventMasks(pWin)|pWin->eventMask) & filter)) - return 0; - - if (IsInterferingGrab(wClient(pWin), pDev, pEvents)) - return 0; - - if (XaceHook(XACE_RECEIVE_ACCESS, wClient(pWin), pWin, pEvents, count)) - /* do nothing */; - else if ( (attempt = TryClientEvents(wClient(pWin), pDev, pEvents, - count, pWin->eventMask, - filter, grab)) ) - { - if (attempt > 0) - { - deliveries++; - client = wClient(pWin); - deliveryMask = pWin->eventMask; - } else - nondeliveries--; - } - } - - /* CantBeFiltered means only window owner gets the event */ - if (filter != CantBeFiltered) - { - if (CORE_EVENT(pEvents)) - other = (InputClients *)wOtherClients(pWin); - else if (XI2_EVENT(pEvents)) - { - OtherInputMasks *inputMasks = wOtherInputMasks(pWin); - /* Has any client selected for the event? */ - if (!GetWindowXI2Mask(pDev, pWin, pEvents)) - return 0; - other = inputMasks->inputClients; - } else { - OtherInputMasks *inputMasks = wOtherInputMasks(pWin); - /* Has any client selected for the event? */ - if (!inputMasks || - !(inputMasks->inputEvents[pDev->id] & filter)) - return 0; - - other = inputMasks->inputClients; - } - - for (; other; other = other->next) - { - Mask mask; - if (IsInterferingGrab(rClient(other), pDev, pEvents)) - continue; - - mask = GetEventMask(pDev, pEvents, other); - - if (XaceHook(XACE_RECEIVE_ACCESS, rClient(other), pWin, - pEvents, count)) - /* do nothing */; - else if ( (attempt = TryClientEvents(rClient(other), pDev, - pEvents, count, - mask, filter, grab)) ) - { - if (attempt > 0) - { - deliveries++; - client = rClient(other); - deliveryMask = mask; - } else - nondeliveries--; - } - } - } - /* - * Note that since core events are delivered first, an implicit grab may - * be activated on a core grab, stopping the XI events. - */ - if ((type == DeviceButtonPress || type == ButtonPress || - ((XI2_EVENT(pEvents) && ((xGenericEvent*)pEvents)->evtype == XI_ButtonPress))) - && deliveries - && (!grab)) - { - GrabRec tempGrab; - OtherInputMasks *inputMasks; - - memset(&tempGrab, 0, sizeof(GrabRec)); - tempGrab.next = NULL; - tempGrab.device = pDev; - tempGrab.resource = client->clientAsMask; - tempGrab.window = pWin; - tempGrab.ownerEvents = (deliveryMask & OwnerGrabButtonMask) ? TRUE : FALSE; - tempGrab.eventMask = deliveryMask; - tempGrab.keyboardMode = GrabModeAsync; - tempGrab.pointerMode = GrabModeAsync; - tempGrab.confineTo = NullWindow; - tempGrab.cursor = NullCursor; - tempGrab.type = type; - if (type == ButtonPress) - tempGrab.grabtype = GRABTYPE_CORE; - else if (type == DeviceButtonPress) - tempGrab.grabtype = GRABTYPE_XI; - else - { - tempGrab.type = ((xGenericEvent*)pEvents)->evtype; - tempGrab.grabtype = GRABTYPE_XI2; - } - - /* get the XI and XI2 device mask */ - inputMasks = wOtherInputMasks(pWin); - tempGrab.deviceMask = (inputMasks) ? inputMasks->inputEvents[pDev->id]: 0; - - if (inputMasks) - memcpy(tempGrab.xi2mask, inputMasks->xi2mask, - sizeof(tempGrab.xi2mask)); - - (*pDev->deviceGrab.ActivateGrab)(pDev, &tempGrab, - currentTime, TRUE | ImplicitGrabMask); - } - else if ((type == MotionNotify) && deliveries) - pDev->valuator->motionHintWindow = pWin; - else - { - if ((type == DeviceMotionNotify || type == DeviceButtonPress) && - deliveries) - CheckDeviceGrabAndHintWindow (pWin, type, - (deviceKeyButtonPointer*) pEvents, - grab, client, deliveryMask); - } - if (deliveries) - return deliveries; - return nondeliveries; -} - -/* If the event goes to dontClient, don't send it and return 0. if - send works, return 1 or if send didn't work, return 2. - Only works for core events. -*/ - -#ifdef PANORAMIX -static int -XineramaTryClientEventsResult( - ClientPtr client, - GrabPtr grab, - Mask mask, - Mask filter -){ - if ((client) && (client != serverClient) && (!client->clientGone) && - ((filter == CantBeFiltered) || (mask & filter))) - { - if (grab && !SameClient(grab, client)) return -1; - else return 1; - } - return 0; -} -#endif - -/** - * Try to deliver events to the interested parties. - * - * @param pWin The window that would get the event. - * @param pEvents The events to be delivered. - * @param count Number of elements in pEvents. - * @param filter Mask based on event type. - * @param dontClient Don't deliver to the dontClient. - */ -int -MaybeDeliverEventsToClient(WindowPtr pWin, xEvent *pEvents, - int count, Mask filter, ClientPtr dontClient) -{ - OtherClients *other; - - - if (pWin->eventMask & filter) - { - if (wClient(pWin) == dontClient) - return 0; -#ifdef PANORAMIX - if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum) - return XineramaTryClientEventsResult( - wClient(pWin), NullGrab, pWin->eventMask, filter); -#endif - if (XaceHook(XACE_RECEIVE_ACCESS, wClient(pWin), pWin, pEvents, count)) - return 1; /* don't send, but pretend we did */ - return TryClientEvents(wClient(pWin), NULL, pEvents, count, - pWin->eventMask, filter, NullGrab); - } - for (other = wOtherClients(pWin); other; other = other->next) - { - if (other->mask & filter) - { - if (SameClient(other, dontClient)) - return 0; -#ifdef PANORAMIX - if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum) - return XineramaTryClientEventsResult( - rClient(other), NullGrab, other->mask, filter); -#endif - if (XaceHook(XACE_RECEIVE_ACCESS, rClient(other), pWin, pEvents, - count)) - return 1; /* don't send, but pretend we did */ - return TryClientEvents(rClient(other), NULL, pEvents, count, - other->mask, filter, NullGrab); - } - } - return 2; -} - -static Window FindChildForEvent(DeviceIntPtr dev, WindowPtr event) -{ - SpritePtr pSprite = dev->spriteInfo->sprite; - WindowPtr w = pSprite->spriteTrace[pSprite->spriteTraceGood-1]; - Window child = None; - - /* If the search ends up past the root should the child field be - set to none or should the value in the argument be passed - through. It probably doesn't matter since everyone calls - this function with child == None anyway. */ - while (w) - { - /* If the source window is same as event window, child should be - none. Don't bother going all all the way back to the root. */ - - if (w == event) - { - child = None; - break; - } - - if (w->parent == event) - { - child = w->drawable.id; - break; - } - w = w->parent; - } - return child; -} - -/** - * Adjust event fields to comply with the window properties. - * - * @param xE Event to be modified in place - * @param pWin The window to get the information from. - * @param child Child window setting for event (if applicable) - * @param calcChild If True, calculate the child window. - */ -void -FixUpEventFromWindow( - DeviceIntPtr pDev, - xEvent *xE, - WindowPtr pWin, - Window child, - Bool calcChild) -{ - SpritePtr pSprite = pDev->spriteInfo->sprite; - - if (calcChild) - child = FindChildForEvent(pDev, pWin); - - if (XI2_EVENT(xE)) - { - xXIDeviceEvent* event = (xXIDeviceEvent*)xE; - - if (event->evtype == XI_RawKeyPress || - event->evtype == XI_RawKeyRelease || - event->evtype == XI_RawButtonPress || - event->evtype == XI_RawButtonRelease || - event->evtype == XI_RawMotion || - event->evtype == XI_DeviceChanged || - event->evtype == XI_HierarchyChanged || - event->evtype == XI_PropertyEvent) - return; - - event->root = RootWindow(pDev)->drawable.id; - event->event = pWin->drawable.id; - if (pSprite->hot.pScreen == pWin->drawable.pScreen) - { - event->event_x = event->root_x - FP1616(pWin->drawable.x, 0); - event->event_y = event->root_y - FP1616(pWin->drawable.y, 0); - event->child = child; - } else - { - event->event_x = 0; - event->event_y = 0; - event->child = None; - } - - if (event->evtype == XI_Enter || event->evtype == XI_Leave || - event->evtype == XI_FocusIn || event->evtype == XI_FocusOut) - ((xXIEnterEvent*)event)->same_screen = - (pSprite->hot.pScreen == pWin->drawable.pScreen); - - } else - { - XE_KBPTR.root = RootWindow(pDev)->drawable.id; - XE_KBPTR.event = pWin->drawable.id; - if (pSprite->hot.pScreen == pWin->drawable.pScreen) - { - XE_KBPTR.sameScreen = xTrue; - XE_KBPTR.child = child; - XE_KBPTR.eventX = - XE_KBPTR.rootX - pWin->drawable.x; - XE_KBPTR.eventY = - XE_KBPTR.rootY - pWin->drawable.y; - } - else - { - XE_KBPTR.sameScreen = xFalse; - XE_KBPTR.child = None; - XE_KBPTR.eventX = 0; - XE_KBPTR.eventY = 0; - } - } -} - -/** - * Return masks for EventIsDeliverable. - * @defgroup EventIsDeliverable return flags - * @{ - */ -#define XI_MASK (1 << 0) /**< XI mask set on window */ -#define CORE_MASK (1 << 1) /**< Core mask set on window */ -#define DONT_PROPAGATE_MASK (1 << 2) /**< DontPropagate mask set on window */ -#define XI2_MASK (1 << 3) /**< XI2 mask set on window */ -/* @} */ - -/** - * Check if a given event is deliverable at all on a given window. - * - * This function only checks if any client wants it, not for a specific - * client. - * - * @param[in] dev The device this event is being sent for. - * @param[in] event The event that is to be sent. - * @param[in] win The current event window. - * - * @return Bitmask of ::XI2_MASK, ::XI_MASK, ::CORE_MASK, and - * ::DONT_PROPAGATE_MASK. - */ -static int -EventIsDeliverable(DeviceIntPtr dev, InternalEvent* event, WindowPtr win) -{ - int rc = 0; - int filter = 0; - int type; - OtherInputMasks *inputMasks = wOtherInputMasks(win); - xEvent ev; - - /* XXX: this makes me gag */ - type = GetXI2Type(event); - ev.u.u.type = GenericEvent; /* GetEventFilter only cares about type and evtype*/ - ((xGenericEvent*)&ev)->extension = IReqCode; - ((xGenericEvent*)&ev)->evtype = type; - filter = GetEventFilter(dev, &ev); - if (type && inputMasks && - ((inputMasks->xi2mask[XIAllDevices][type/8] & filter) || - ((inputMasks->xi2mask[XIAllMasterDevices][type/8] & filter) && IsMaster(dev)) || - (inputMasks->xi2mask[dev->id][type/8] & filter))) - rc |= XI2_MASK; - - type = GetXIType(event); - ev.u.u.type = type; - filter = GetEventFilter(dev, &ev); - - /* Check for XI mask */ - if (type && inputMasks && - (inputMasks->deliverableEvents[dev->id] & filter) && - (inputMasks->inputEvents[dev->id] & filter)) - rc |= XI_MASK; - - /* Check for XI DontPropagate mask */ - if (type && inputMasks && - (inputMasks->dontPropagateMask[dev->id] & filter)) - rc |= DONT_PROPAGATE_MASK; - - /* Check for core mask */ - type = GetCoreType(event); - if (type && (win->deliverableEvents & filter) && - ((wOtherEventMasks(win) | win->eventMask) & filter)) - rc |= CORE_MASK; - - /* Check for core DontPropagate mask */ - if (type && (filter & wDontPropagateMask(win))) - rc |= DONT_PROPAGATE_MASK; - - return rc; -} - -/** - * Deliver events caused by input devices. - * - * For events from a non-grabbed, non-focus device, DeliverDeviceEvents is - * called directly from the processInputProc. - * For grabbed devices, DeliverGrabbedEvent is called first, and _may_ call - * DeliverDeviceEvents. - * For focused events, DeliverFocusedEvent is called first, and _may_ call - * DeliverDeviceEvents. - * - * @param pWin Window to deliver event to. - * @param event The events to deliver, not yet in wire format. - * @param grab Possible grab on a device. - * @param stopAt Don't recurse up to the root window. - * @param dev The device that is responsible for the event. - * - * @see DeliverGrabbedEvent - * @see DeliverFocusedEvent - */ -int -DeliverDeviceEvents(WindowPtr pWin, InternalEvent *event, GrabPtr grab, - WindowPtr stopAt, DeviceIntPtr dev) -{ - Window child = None; - Mask filter; - int deliveries = 0; - xEvent core; - xEvent *xE = NULL; - int rc, mask, count = 0; - - CHECKEVENT(event); - - while (pWin) - { - if ((mask = EventIsDeliverable(dev, event, pWin))) - { - /* XI2 events first */ - if (mask & XI2_MASK) - { - xEvent *xi2 = NULL; - rc = EventToXI2(event, &xi2); - if (rc == Success) - { - /* XXX: XACE */ - filter = GetEventFilter(dev, xi2); - FixUpEventFromWindow(dev, xi2, pWin, child, FALSE); - deliveries = DeliverEventsToWindow(dev, pWin, xi2, 1, - filter, grab); - xfree(xi2); - if (deliveries > 0) - goto unwind; - } else if (rc != BadMatch) - ErrorF("[dix] %s: XI2 conversion failed in DDE (%d).\n", - dev->name, rc); - } - - /* XI events */ - if (mask & XI_MASK) - { - rc = EventToXI(event, &xE, &count); - if (rc == Success) { - if (XaceHook(XACE_SEND_ACCESS, NULL, dev, pWin, xE, count) == Success) { - filter = GetEventFilter(dev, xE); - FixUpEventFromWindow(dev, xE, pWin, child, FALSE); - deliveries = DeliverEventsToWindow(dev, pWin, xE, count, - filter, grab); - if (deliveries > 0) - goto unwind; - } - } else if (rc != BadMatch) - ErrorF("[dix] %s: XI conversion failed in DDE (%d, %d). Skipping delivery.\n", - dev->name, event->any.type, rc); - } - - /* Core event */ - if ((mask & CORE_MASK) && IsMaster(dev) && dev->coreEvents) - { - rc = EventToCore(event, &core); - if (rc == Success) { - if (XaceHook(XACE_SEND_ACCESS, NULL, dev, pWin, &core, 1) == Success) { - filter = GetEventFilter(dev, &core); - FixUpEventFromWindow(dev, &core, pWin, child, FALSE); - deliveries = DeliverEventsToWindow(dev, pWin, &core, 1, - filter, grab); - if (deliveries > 0) - goto unwind; - } - } else if (rc != BadMatch) - ErrorF("[dix] %s: Core conversion failed in DDE (%d, %d).\n", - dev->name, event->any.type, rc); - } - - if ((deliveries < 0) || (pWin == stopAt) || - (mask & DONT_PROPAGATE_MASK)) - { - deliveries = 0; - goto unwind; - } - } - - child = pWin->drawable.id; - pWin = pWin->parent; - } - -unwind: - xfree(xE); - return deliveries; -} - -#undef XI_MASK -#undef CORE_MASK -#undef DONT_PROPAGATE_MASK - -/** - * Deliver event to a window and it's immediate parent. Used for most window - * events (CreateNotify, ConfigureNotify, etc.). Not useful for events that - * propagate up the tree or extension events - * - * In case of a ReparentNotify event, the event will be delivered to the - * otherParent as well. - * - * @param pWin Window to deliver events to. - * @param xE Events to deliver. - * @param count number of events in xE. - * @param otherParent Used for ReparentNotify events. - */ -int -DeliverEvents(WindowPtr pWin, xEvent *xE, int count, - WindowPtr otherParent) -{ - Mask filter; - int deliveries; - DeviceIntRec dummy; - -#ifdef PANORAMIX - if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum) - return count; -#endif - - if (!count) - return 0; - - dummy.id = XIAllDevices; - filter = GetEventFilter(&dummy, xE); - if ((filter & SubstructureNotifyMask) && (xE->u.u.type != CreateNotify)) - xE->u.destroyNotify.event = pWin->drawable.id; - if (filter != StructureAndSubMask) - return DeliverEventsToWindow(&dummy, pWin, xE, count, filter, NullGrab); - deliveries = DeliverEventsToWindow(&dummy, pWin, xE, count, - StructureNotifyMask, NullGrab); - if (pWin->parent) - { - xE->u.destroyNotify.event = pWin->parent->drawable.id; - deliveries += DeliverEventsToWindow(&dummy, pWin->parent, xE, count, - SubstructureNotifyMask, NullGrab); - if (xE->u.u.type == ReparentNotify) - { - xE->u.destroyNotify.event = otherParent->drawable.id; - deliveries += DeliverEventsToWindow(&dummy, - otherParent, xE, count, SubstructureNotifyMask, - NullGrab); - } - } - return deliveries; -} - - -static Bool -PointInBorderSize(WindowPtr pWin, int x, int y) -{ - BoxRec box; - - if(POINT_IN_REGION(pWin->drawable.pScreen, &pWin->borderSize, x, y, &box)) - return TRUE; - -#ifdef PANORAMIX - if(!noPanoramiXExtension && - XineramaSetWindowPntrs(inputInfo.pointer, pWin)) { - SpritePtr pSprite = inputInfo.pointer->spriteInfo->sprite; - int i; - - for(i = 1; i < PanoramiXNumScreens; i++) { - if(POINT_IN_REGION(pSprite->screen, - &pSprite->windows[i]->borderSize, - x + panoramiXdataPtr[0].x - panoramiXdataPtr[i].x, - y + panoramiXdataPtr[0].y - panoramiXdataPtr[i].y, - &box)) - return TRUE; - } - } -#endif - return FALSE; -} - -/** - * Traversed from the root window to the window at the position x/y. While - * traversing, it sets up the traversal history in the spriteTrace array. - * After completing, the spriteTrace history is set in the following way: - * spriteTrace[0] ... root window - * spriteTrace[1] ... top level window that encloses x/y - * ... - * spriteTrace[spriteTraceGood - 1] ... window at x/y - * - * @returns the window at the given coordinates. - */ -static WindowPtr -XYToWindow(DeviceIntPtr pDev, int x, int y) -{ - WindowPtr pWin; - BoxRec box; - SpritePtr pSprite; - - pSprite = pDev->spriteInfo->sprite; - pSprite->spriteTraceGood = 1; /* root window still there */ - pWin = RootWindow(pDev)->firstChild; - while (pWin) - { - if ((pWin->mapped) && - (x >= pWin->drawable.x - wBorderWidth (pWin)) && - (x < pWin->drawable.x + (int)pWin->drawable.width + - wBorderWidth(pWin)) && - (y >= pWin->drawable.y - wBorderWidth (pWin)) && - (y < pWin->drawable.y + (int)pWin->drawable.height + - wBorderWidth (pWin)) - /* When a window is shaped, a further check - * is made to see if the point is inside - * borderSize - */ - && (!wBoundingShape(pWin) || PointInBorderSize(pWin, x, y)) - && (!wInputShape(pWin) || - POINT_IN_REGION(pWin->drawable.pScreen, - wInputShape(pWin), - x - pWin->drawable.x, - y - pWin->drawable.y, &box)) -#ifdef ROOTLESS - /* In rootless mode windows may be offscreen, even when - * they're in X's stack. (E.g. if the native window system - * implements some form of virtual desktop system). - */ - && !pWin->rootlessUnhittable -#endif - ) - { - if (pSprite->spriteTraceGood >= pSprite->spriteTraceSize) - { - pSprite->spriteTraceSize += 10; - pSprite->spriteTrace = xrealloc(pSprite->spriteTrace, - pSprite->spriteTraceSize*sizeof(WindowPtr)); - } - pSprite->spriteTrace[pSprite->spriteTraceGood++] = pWin; - pWin = pWin->firstChild; - } - else - pWin = pWin->nextSib; - } - return pSprite->spriteTrace[pSprite->spriteTraceGood-1]; -} - -/** - * Ungrab a currently FocusIn grabbed device and grab the device on the - * given window. If the win given is the NoneWin, the device is ungrabbed if - * applicable and FALSE is returned. - * - * @returns TRUE if the device has been grabbed, or FALSE otherwise. - */ -BOOL -ActivateFocusInGrab(DeviceIntPtr dev, WindowPtr old, WindowPtr win) -{ - BOOL rc = FALSE; - DeviceEvent event; - - if (dev->deviceGrab.grab && - dev->deviceGrab.fromPassiveGrab && - dev->deviceGrab.grab->type == XI_Enter) - { - if (dev->deviceGrab.grab->window == win || - IsParent(dev->deviceGrab.grab->window, win)) - return FALSE; - DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveUngrab); - (*dev->deviceGrab.DeactivateGrab)(dev); - } - - if (win == NoneWin || win == PointerRootWin) - return FALSE; - - memset(&event, 0, sizeof(DeviceEvent)); - event.header = ET_Internal; - event.type = ET_FocusIn; - event.length = sizeof(DeviceEvent); - event.time = GetTimeInMillis(); - event.deviceid = dev->id; - event.sourceid = dev->id; - event.detail.button = 0; - rc = CheckPassiveGrabsOnWindow(win, dev, &event, FALSE); - if (rc) - DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveUngrab); - return rc; -} - -/** - * Ungrab a currently Enter grabbed device and grab the device for the given - * window. - * - * @returns TRUE if the device has been grabbed, or FALSE otherwise. - */ -static BOOL -ActivateEnterGrab(DeviceIntPtr dev, WindowPtr old, WindowPtr win) -{ - BOOL rc = FALSE; - DeviceEvent event; - - if (dev->deviceGrab.grab && - dev->deviceGrab.fromPassiveGrab && - dev->deviceGrab.grab->type == XI_Enter) - { - if (dev->deviceGrab.grab->window == win || - IsParent(dev->deviceGrab.grab->window, win)) - return FALSE; - DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveUngrab); - (*dev->deviceGrab.DeactivateGrab)(dev); - } - - memset(&event, 0, sizeof(DeviceEvent)); - event.header = ET_Internal; - event.type = ET_Enter; - event.length = sizeof(DeviceEvent); - event.time = GetTimeInMillis(); - event.deviceid = dev->id; - event.sourceid = dev->id; - event.detail.button = 0; - rc = CheckPassiveGrabsOnWindow(win, dev, &event, FALSE); - if (rc) - DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveGrab); - - return rc; -} - -/** - * Update the sprite coordinates based on the event. Update the cursor - * position, then update the event with the new coordinates that may have been - * changed. If the window underneath the sprite has changed, change to new - * cursor and send enter/leave events. - * - * CheckMotion() will not do anything and return FALSE if the event is not a - * pointer event. - * - * @return TRUE if the sprite has moved or FALSE otherwise. - */ -Bool -CheckMotion(DeviceEvent *ev, DeviceIntPtr pDev) -{ - WindowPtr prevSpriteWin, newSpriteWin; - SpritePtr pSprite = pDev->spriteInfo->sprite; - - CHECKEVENT(ev); - - prevSpriteWin = pSprite->win; - - if (ev && !syncEvents.playingEvents) - { - /* GetPointerEvents() guarantees that pointer events have the correct - rootX/Y set already. */ - switch (ev->type) - { - case ET_ButtonPress: - case ET_ButtonRelease: - case ET_Motion: - break; - default: - /* all other events return FALSE */ - return FALSE; - } - - -#ifdef PANORAMIX - if (!noPanoramiXExtension) - { - /* Motion events entering DIX get translated to Screen 0 - coordinates. Replayed events have already been - translated since they've entered DIX before */ - ev->root_x += panoramiXdataPtr[pSprite->screen->myNum].x - - panoramiXdataPtr[0].x; - ev->root_y += panoramiXdataPtr[pSprite->screen->myNum].y - - panoramiXdataPtr[0].y; - } else -#endif - { - if (pSprite->hot.pScreen != pSprite->hotPhys.pScreen) - { - pSprite->hot.pScreen = pSprite->hotPhys.pScreen; - RootWindow(pDev) = WindowTable[pSprite->hot.pScreen->myNum]; - } - } - - pSprite->hot.x = ev->root_x; - pSprite->hot.y = ev->root_y; - if (pSprite->hot.x < pSprite->physLimits.x1) - pSprite->hot.x = pSprite->physLimits.x1; - else if (pSprite->hot.x >= pSprite->physLimits.x2) - pSprite->hot.x = pSprite->physLimits.x2 - 1; - if (pSprite->hot.y < pSprite->physLimits.y1) - pSprite->hot.y = pSprite->physLimits.y1; - else if (pSprite->hot.y >= pSprite->physLimits.y2) - pSprite->hot.y = pSprite->physLimits.y2 - 1; - if (pSprite->hotShape) - ConfineToShape(pDev, pSprite->hotShape, &pSprite->hot.x, &pSprite->hot.y); - pSprite->hotPhys = pSprite->hot; - - if ((pSprite->hotPhys.x != ev->root_x) || - (pSprite->hotPhys.y != ev->root_y)) - { -#ifdef PANORAMIX - if (!noPanoramiXExtension) - { - XineramaSetCursorPosition( - pDev, pSprite->hotPhys.x, pSprite->hotPhys.y, FALSE); - } else -#endif - { - (*pSprite->hotPhys.pScreen->SetCursorPosition)( - pDev, pSprite->hotPhys.pScreen, - pSprite->hotPhys.x, pSprite->hotPhys.y, FALSE); - } - } - - ev->root_x = pSprite->hot.x; - ev->root_y = pSprite->hot.y; - } - - newSpriteWin = XYToWindow(pDev, pSprite->hot.x, pSprite->hot.y); - - if (newSpriteWin != prevSpriteWin) - { - int sourceid; - if (!ev) { - UpdateCurrentTimeIf(); - sourceid = pDev->id; /* when from WindowsRestructured */ - } else - sourceid = ev->sourceid; - - if (prevSpriteWin != NullWindow) { - if (!ActivateEnterGrab(pDev, prevSpriteWin, newSpriteWin)) - DoEnterLeaveEvents(pDev, sourceid, prevSpriteWin, - newSpriteWin, NotifyNormal); - } - /* set pSprite->win after ActivateEnterGrab, otherwise - sprite window == grab_window and no enter/leave events are - sent. */ - pSprite->win = newSpriteWin; - PostNewCursor(pDev); - return FALSE; - } - return TRUE; -} - -/** - * Windows have restructured, we need to update the sprite position and the - * sprite's cursor. - */ -void -WindowsRestructured(void) -{ - DeviceIntPtr pDev = inputInfo.devices; - while(pDev) - { - if (IsMaster(pDev) || !pDev->u.master) - CheckMotion(NULL, pDev); - pDev = pDev->next; - } -} - -#ifdef PANORAMIX -/* This was added to support reconfiguration under Xdmx. The problem is - * that if the 0th screen (i.e., WindowTable[0]) is moved to an origin - * other than 0,0, the information in the private sprite structure must - * be updated accordingly, or XYToWindow (and other routines) will not - * compute correctly. */ -void ReinitializeRootWindow(WindowPtr win, int xoff, int yoff) -{ - GrabPtr grab; - DeviceIntPtr pDev; - SpritePtr pSprite; - - if (noPanoramiXExtension) return; - - pDev = inputInfo.devices; - while(pDev) - { - if (DevHasCursor(pDev)) - { - pSprite = pDev->spriteInfo->sprite; - pSprite->hot.x -= xoff; - pSprite->hot.y -= yoff; - - pSprite->hotPhys.x -= xoff; - pSprite->hotPhys.y -= yoff; - - pSprite->hotLimits.x1 -= xoff; - pSprite->hotLimits.y1 -= yoff; - pSprite->hotLimits.x2 -= xoff; - pSprite->hotLimits.y2 -= yoff; - - if (REGION_NOTEMPTY(pSprite->screen, &pSprite->Reg1)) - REGION_TRANSLATE(pSprite->screen, &pSprite->Reg1, xoff, yoff); - if (REGION_NOTEMPTY(pSprite->screen, &pSprite->Reg2)) - REGION_TRANSLATE(pSprite->screen, &pSprite->Reg2, xoff, yoff); - - /* FIXME: if we call ConfineCursorToWindow, must we do anything else? */ - if ((grab = pDev->deviceGrab.grab) && grab->confineTo) { - if (grab->confineTo->drawable.pScreen - != pSprite->hotPhys.pScreen) - pSprite->hotPhys.x = pSprite->hotPhys.y = 0; - ConfineCursorToWindow(pDev, grab->confineTo, TRUE, TRUE); - } else - ConfineCursorToWindow( - pDev, - WindowTable[pSprite->hotPhys.pScreen->myNum], - TRUE, FALSE); - - } - pDev = pDev->next; - } -} -#endif - -/** - * Initialize a sprite for the given device and set it to some sane values. If - * the device already has a sprite alloc'd, don't realloc but just reset to - * default values. - * If a window is supplied, the sprite will be initialized with the window's - * cursor and positioned in the center of the window's screen. The root window - * is a good choice to pass in here. - * - * It's a good idea to call it only for pointer devices, unless you have a - * really talented keyboard. - * - * @param pDev The device to initialize. - * @param pWin The window where to generate the sprite in. - * - */ -void -InitializeSprite(DeviceIntPtr pDev, WindowPtr pWin) -{ - SpritePtr pSprite; - ScreenPtr pScreen; - CursorPtr pCursor; - - if (!pDev->spriteInfo->sprite) - { - DeviceIntPtr it; - - pDev->spriteInfo->sprite = (SpritePtr)xcalloc(1, sizeof(SpriteRec)); - if (!pDev->spriteInfo->sprite) - FatalError("InitializeSprite: failed to allocate sprite struct"); - - /* We may have paired another device with this device before our - * device had a actual sprite. We need to check for this and reset the - * sprite field for all paired devices. - * - * The VCK is always paired with the VCP before the VCP has a sprite. - */ - for (it = inputInfo.devices; it; it = it->next) - { - if (it->spriteInfo->paired == pDev) - it->spriteInfo->sprite = pDev->spriteInfo->sprite; - } - if (inputInfo.keyboard->spriteInfo->paired == pDev) - inputInfo.keyboard->spriteInfo->sprite = pDev->spriteInfo->sprite; - } - - pSprite = pDev->spriteInfo->sprite; - pDev->spriteInfo->spriteOwner = TRUE; - - pScreen = (pWin) ? pWin->drawable.pScreen : (ScreenPtr)NULL; - pSprite->hot.pScreen = pScreen; - pSprite->hotPhys.pScreen = pScreen; - if (pScreen) - { - pSprite->hotPhys.x = pScreen->width / 2; - pSprite->hotPhys.y = pScreen->height / 2; - pSprite->hotLimits.x2 = pScreen->width; - pSprite->hotLimits.y2 = pScreen->height; - } - - pSprite->hot = pSprite->hotPhys; - pSprite->win = pWin; - - if (pWin) - { - pCursor = wCursor(pWin); - pSprite->spriteTrace = (WindowPtr *)xcalloc(1, 32*sizeof(WindowPtr)); - if (!pSprite->spriteTrace) - FatalError("Failed to allocate spriteTrace"); - pSprite->spriteTraceSize = 32; - - RootWindow(pDev) = pWin; - pSprite->spriteTraceGood = 1; - - pSprite->pEnqueueScreen = pScreen; - pSprite->pDequeueScreen = pSprite->pEnqueueScreen; - - } else { - pCursor = NullCursor; - pSprite->spriteTrace = NULL; - pSprite->spriteTraceSize = 0; - pSprite->spriteTraceGood = 0; - pSprite->pEnqueueScreen = screenInfo.screens[0]; - pSprite->pDequeueScreen = pSprite->pEnqueueScreen; - } - if (pCursor) - pCursor->refcnt++; - if (pSprite->current) - FreeCursor(pSprite->current, None); - pSprite->current = pCursor; - - if (pScreen) - { - (*pScreen->RealizeCursor) ( pDev, pScreen, pSprite->current); - (*pScreen->CursorLimits) ( pDev, pScreen, pSprite->current, - &pSprite->hotLimits, &pSprite->physLimits); - pSprite->confined = FALSE; - - (*pScreen->ConstrainCursor) (pDev, pScreen, - &pSprite->physLimits); - (*pScreen->SetCursorPosition) (pDev, pScreen, pSprite->hot.x, - pSprite->hot.y, - FALSE); - (*pScreen->DisplayCursor) (pDev, pScreen, pSprite->current); - } -#ifdef PANORAMIX - if(!noPanoramiXExtension) { - pSprite->hotLimits.x1 = -panoramiXdataPtr[0].x; - pSprite->hotLimits.y1 = -panoramiXdataPtr[0].y; - pSprite->hotLimits.x2 = PanoramiXPixWidth - panoramiXdataPtr[0].x; - pSprite->hotLimits.y2 = PanoramiXPixHeight - panoramiXdataPtr[0].y; - pSprite->physLimits = pSprite->hotLimits; - pSprite->confineWin = NullWindow; - pSprite->hotShape = NullRegion; - pSprite->screen = pScreen; - /* gotta UNINIT these someplace */ - REGION_NULL(pScreen, &pSprite->Reg1); - REGION_NULL(pScreen, &pSprite->Reg2); - } -#endif -} - -/** - * Update the mouse sprite info when the server switches from a pScreen to another. - * Otherwise, the pScreen of the mouse sprite is never updated when we switch - * from a pScreen to another. Never updating the pScreen of the mouse sprite - * implies that windows that are in pScreen whose pScreen->myNum >0 will never - * get pointer events. This is because in CheckMotion(), sprite.hotPhys.pScreen - * always points to the first pScreen it has been set by - * DefineInitialRootWindow(). - * - * Calling this function is useful for use cases where the server - * has more than one pScreen. - * This function is similar to DefineInitialRootWindow() but it does not - * reset the mouse pointer position. - * @param win must be the new pScreen we are switching to. - */ -void -UpdateSpriteForScreen(DeviceIntPtr pDev, ScreenPtr pScreen) -{ - SpritePtr pSprite = NULL; - WindowPtr win = NULL; - CursorPtr pCursor; - if (!pScreen) - return ; - - if (!pDev->spriteInfo->sprite) - return; - - pSprite = pDev->spriteInfo->sprite; - - win = WindowTable[pScreen->myNum]; - - pSprite->hotPhys.pScreen = pScreen; - pSprite->hot = pSprite->hotPhys; - pSprite->hotLimits.x2 = pScreen->width; - pSprite->hotLimits.y2 = pScreen->height; - pSprite->win = win; - pCursor = wCursor(win); - if (pCursor) - pCursor->refcnt++; - if (pSprite->current) - FreeCursor(pSprite->current, 0); - pSprite->current = pCursor; - pSprite->spriteTraceGood = 1; - pSprite->spriteTrace[0] = win; - (*pScreen->CursorLimits) (pDev, - pScreen, - pSprite->current, - &pSprite->hotLimits, - &pSprite->physLimits); - pSprite->confined = FALSE; - (*pScreen->ConstrainCursor) (pDev, pScreen, &pSprite->physLimits); - (*pScreen->DisplayCursor) (pDev, pScreen, pSprite->current); - -#ifdef PANORAMIX - if(!noPanoramiXExtension) { - pSprite->hotLimits.x1 = -panoramiXdataPtr[0].x; - pSprite->hotLimits.y1 = -panoramiXdataPtr[0].y; - pSprite->hotLimits.x2 = PanoramiXPixWidth - panoramiXdataPtr[0].x; - pSprite->hotLimits.y2 = PanoramiXPixHeight - panoramiXdataPtr[0].y; - pSprite->physLimits = pSprite->hotLimits; - pSprite->screen = pScreen; - } -#endif -} - -/* - * This does not take any shortcuts, and even ignores its argument, since - * it does not happen very often, and one has to walk up the tree since - * this might be a newly instantiated cursor for an intermediate window - * between the one the pointer is in and the one that the last cursor was - * instantiated from. - */ -void -WindowHasNewCursor(WindowPtr pWin) -{ - DeviceIntPtr pDev; - - for(pDev = inputInfo.devices; pDev; pDev = pDev->next) - if (DevHasCursor(pDev)) - PostNewCursor(pDev); -} - -void -NewCurrentScreen(DeviceIntPtr pDev, ScreenPtr newScreen, int x, int y) -{ - SpritePtr pSprite = pDev->spriteInfo->sprite; - - pSprite->hotPhys.x = x; - pSprite->hotPhys.y = y; -#ifdef PANORAMIX - if(!noPanoramiXExtension) { - pSprite->hotPhys.x += panoramiXdataPtr[newScreen->myNum].x - - panoramiXdataPtr[0].x; - pSprite->hotPhys.y += panoramiXdataPtr[newScreen->myNum].y - - panoramiXdataPtr[0].y; - if (newScreen != pSprite->screen) { - pSprite->screen = newScreen; - /* Make sure we tell the DDX to update its copy of the screen */ - if(pSprite->confineWin) - XineramaConfineCursorToWindow(pDev, - pSprite->confineWin, TRUE); - else - XineramaConfineCursorToWindow(pDev, WindowTable[0], TRUE); - /* if the pointer wasn't confined, the DDX won't get - told of the pointer warp so we reposition it here */ - if(!syncEvents.playingEvents) - (*pSprite->screen->SetCursorPosition)( - pDev, - pSprite->screen, - pSprite->hotPhys.x + panoramiXdataPtr[0].x - - panoramiXdataPtr[pSprite->screen->myNum].x, - pSprite->hotPhys.y + panoramiXdataPtr[0].y - - panoramiXdataPtr[pSprite->screen->myNum].y, FALSE); - } - } else -#endif - if (newScreen != pSprite->hotPhys.pScreen) - ConfineCursorToWindow(pDev, WindowTable[newScreen->myNum], - TRUE, FALSE); -} - -#ifdef PANORAMIX - -static Bool -XineramaPointInWindowIsVisible( - WindowPtr pWin, - int x, - int y -) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - BoxRec box; - int i, xoff, yoff; - - if (!pWin->realized) return FALSE; - - if (POINT_IN_REGION(pScreen, &pWin->borderClip, x, y, &box)) - return TRUE; - - if(!XineramaSetWindowPntrs(inputInfo.pointer, pWin)) return FALSE; - - xoff = x + panoramiXdataPtr[0].x; - yoff = y + panoramiXdataPtr[0].y; - - for(i = 1; i < PanoramiXNumScreens; i++) { - pWin = inputInfo.pointer->spriteInfo->sprite->windows[i]; - pScreen = pWin->drawable.pScreen; - x = xoff - panoramiXdataPtr[i].x; - y = yoff - panoramiXdataPtr[i].y; - - if(POINT_IN_REGION(pScreen, &pWin->borderClip, x, y, &box) - && (!wInputShape(pWin) || - POINT_IN_REGION(pWin->drawable.pScreen, - wInputShape(pWin), - x - pWin->drawable.x, - y - pWin->drawable.y, &box))) - return TRUE; - - } - - return FALSE; -} - -static int -XineramaWarpPointer(ClientPtr client) -{ - WindowPtr dest = NULL; - int x, y, rc; - SpritePtr pSprite = PickPointer(client)->spriteInfo->sprite; - - REQUEST(xWarpPointerReq); - - - if (stuff->dstWid != None) { - rc = dixLookupWindow(&dest, stuff->dstWid, client, DixReadAccess); - if (rc != Success) - return rc; - } - x = pSprite->hotPhys.x; - y = pSprite->hotPhys.y; - - if (stuff->srcWid != None) - { - int winX, winY; - XID winID = stuff->srcWid; - WindowPtr source; - - rc = dixLookupWindow(&source, winID, client, DixReadAccess); - if (rc != Success) - return rc; - - winX = source->drawable.x; - winY = source->drawable.y; - if(source == WindowTable[0]) { - winX -= panoramiXdataPtr[0].x; - winY -= panoramiXdataPtr[0].y; - } - if (x < winX + stuff->srcX || - y < winY + stuff->srcY || - (stuff->srcWidth != 0 && - winX + stuff->srcX + (int)stuff->srcWidth < x) || - (stuff->srcHeight != 0 && - winY + stuff->srcY + (int)stuff->srcHeight < y) || - !XineramaPointInWindowIsVisible(source, x, y)) - return Success; - } - if (dest) { - x = dest->drawable.x; - y = dest->drawable.y; - if(dest == WindowTable[0]) { - x -= panoramiXdataPtr[0].x; - y -= panoramiXdataPtr[0].y; - } - } - - x += stuff->dstX; - y += stuff->dstY; - - if (x < pSprite->physLimits.x1) - x = pSprite->physLimits.x1; - else if (x >= pSprite->physLimits.x2) - x = pSprite->physLimits.x2 - 1; - if (y < pSprite->physLimits.y1) - y = pSprite->physLimits.y1; - else if (y >= pSprite->physLimits.y2) - y = pSprite->physLimits.y2 - 1; - if (pSprite->hotShape) - ConfineToShape(PickPointer(client), pSprite->hotShape, &x, &y); - - XineramaSetCursorPosition(PickPointer(client), x, y, TRUE); - - return Success; -} - -#endif - - -/** - * Server-side protocol handling for WarpPointer request. - * Warps the cursor position to the coordinates given in the request. - */ -int -ProcWarpPointer(ClientPtr client) -{ - WindowPtr dest = NULL; - int x, y, rc; - ScreenPtr newScreen; - DeviceIntPtr dev, tmp; - SpritePtr pSprite; - - REQUEST(xWarpPointerReq); - REQUEST_SIZE_MATCH(xWarpPointerReq); - - dev = PickPointer(client); - - for (tmp = inputInfo.devices; tmp; tmp = tmp->next) { - if ((tmp == dev) || (!IsMaster(tmp) && tmp->u.master == dev)) { - rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixWriteAccess); - if (rc != Success) - return rc; - } - } - - if (dev->u.lastSlave) - dev = dev->u.lastSlave; - pSprite = dev->spriteInfo->sprite; - -#ifdef PANORAMIX - if(!noPanoramiXExtension) - return XineramaWarpPointer(client); -#endif - - if (stuff->dstWid != None) { - rc = dixLookupWindow(&dest, stuff->dstWid, client, DixGetAttrAccess); - if (rc != Success) - return rc; - } - x = pSprite->hotPhys.x; - y = pSprite->hotPhys.y; - - if (stuff->srcWid != None) - { - int winX, winY; - XID winID = stuff->srcWid; - WindowPtr source; - - rc = dixLookupWindow(&source, winID, client, DixGetAttrAccess); - if (rc != Success) - return rc; - - winX = source->drawable.x; - winY = source->drawable.y; - if (source->drawable.pScreen != pSprite->hotPhys.pScreen || - x < winX + stuff->srcX || - y < winY + stuff->srcY || - (stuff->srcWidth != 0 && - winX + stuff->srcX + (int)stuff->srcWidth < x) || - (stuff->srcHeight != 0 && - winY + stuff->srcY + (int)stuff->srcHeight < y) || - !PointInWindowIsVisible(source, x, y)) - return Success; - } - if (dest) - { - x = dest->drawable.x; - y = dest->drawable.y; - newScreen = dest->drawable.pScreen; - } else - newScreen = pSprite->hotPhys.pScreen; - - x += stuff->dstX; - y += stuff->dstY; - - if (x < 0) - x = 0; - else if (x >= newScreen->width) - x = newScreen->width - 1; - if (y < 0) - y = 0; - else if (y >= newScreen->height) - y = newScreen->height - 1; - - if (newScreen == pSprite->hotPhys.pScreen) - { - if (x < pSprite->physLimits.x1) - x = pSprite->physLimits.x1; - else if (x >= pSprite->physLimits.x2) - x = pSprite->physLimits.x2 - 1; - if (y < pSprite->physLimits.y1) - y = pSprite->physLimits.y1; - else if (y >= pSprite->physLimits.y2) - y = pSprite->physLimits.y2 - 1; - if (pSprite->hotShape) - ConfineToShape(dev, pSprite->hotShape, &x, &y); - (*newScreen->SetCursorPosition)(dev, newScreen, x, y, TRUE); - } - else if (!PointerConfinedToScreen(dev)) - { - NewCurrentScreen(dev, newScreen, x, y); - } - return Success; -} - -static Bool -BorderSizeNotEmpty(DeviceIntPtr pDev, WindowPtr pWin) -{ - if(REGION_NOTEMPTY(pDev->spriteInfo->sprite->hotPhys.pScreen, &pWin->borderSize)) - return TRUE; - -#ifdef PANORAMIX - if(!noPanoramiXExtension && XineramaSetWindowPntrs(pDev, pWin)) { - int i; - - for(i = 1; i < PanoramiXNumScreens; i++) { - if(REGION_NOTEMPTY(pDev->spriteInfo->sprite->screen, - &pDev->spriteInfo->sprite->windows[i]->borderSize)) - return TRUE; - } - } -#endif - return FALSE; -} - -/** - * "CheckPassiveGrabsOnWindow" checks to see if the event passed in causes a - * passive grab set on the window to be activated. - * If a passive grab is activated, the event will be delivered to the client. - * - * @param pWin The window that may be subject to a passive grab. - * @param device Device that caused the event. - * @param event The current device event. - * @param checkCore Check for core grabs too. - */ - -static Bool -CheckPassiveGrabsOnWindow( - WindowPtr pWin, - DeviceIntPtr device, - DeviceEvent *event, - BOOL checkCore) -{ - GrabPtr grab = wPassiveGrabs(pWin); - GrabRec tempGrab; - GrabInfoPtr grabinfo; -#define CORE_MATCH 0x1 -#define XI_MATCH 0x2 -#define XI2_MATCH 0x4 - int match = 0; - - if (device->deviceGrab.grab) - return FALSE; - - if (!grab) - return FALSE; - /* Fill out the grab details, but leave the type for later before - * comparing */ - tempGrab.window = pWin; - tempGrab.device = device; - tempGrab.detail.exact = event->detail.key; - tempGrab.detail.pMask = NULL; - tempGrab.modifiersDetail.pMask = NULL; - tempGrab.next = NULL; - for (; grab; grab = grab->next) - { - DeviceIntPtr gdev; - XkbSrvInfoPtr xkbi = NULL; - Mask mask = 0; - - gdev= grab->modifierDevice; - if (grab->grabtype == GRABTYPE_CORE) - { - if (IsPointerDevice(device)) - gdev = GetPairedDevice(device); - else - gdev = device; - } else if (grab->grabtype == GRABTYPE_XI2) - { - /* if the device is an attached slave device, gdev must be the - * attached master keyboard. Since the slave may have been - * reattached after the grab, the modifier device may not be the - * same. */ - if (!IsMaster(grab->device) && device->u.master) - gdev = GetMaster(device, MASTER_KEYBOARD); - } - - - if (gdev && gdev->key) - xkbi= gdev->key->xkbInfo; - tempGrab.modifierDevice = grab->modifierDevice; - tempGrab.modifiersDetail.exact = xkbi ? xkbi->state.grab_mods : 0; - - /* Check for XI2 and XI grabs first */ - tempGrab.type = GetXI2Type((InternalEvent*)event); - tempGrab.grabtype = GRABTYPE_XI2; - if (GrabMatchesSecond(&tempGrab, grab, FALSE)) - match = XI2_MATCH; - - tempGrab.detail.exact = event->detail.key; - if (!match) - { - tempGrab.type = GetXIType((InternalEvent*)event); - tempGrab.grabtype = GRABTYPE_XI; - if (GrabMatchesSecond(&tempGrab, grab, FALSE)) - match = XI_MATCH; - } - - /* Check for a core grab (ignore the device when comparing) */ - if (!match && checkCore) - { - tempGrab.grabtype = GRABTYPE_CORE; - if ((tempGrab.type = GetCoreType((InternalEvent*)event)) && - (GrabMatchesSecond(&tempGrab, grab, TRUE))) - match = CORE_MATCH; - } - - if (match && (!grab->confineTo || - (grab->confineTo->realized && - BorderSizeNotEmpty(device, grab->confineTo)))) - { - int rc, count = 0; - xEvent *xE = NULL; - xEvent core; - - event->corestate &= 0x1f00; - event->corestate |= tempGrab.modifiersDetail.exact & (~0x1f00); - grabinfo = &device->deviceGrab; - /* In some cases a passive core grab may exist, but the client - * already has a core grab on some other device. In this case we - * must not get the grab, otherwise we may never ungrab the - * device. - */ - - if (grab->grabtype == GRABTYPE_CORE) - { - DeviceIntPtr other; - BOOL interfering = FALSE; - - /* A passive grab may have been created for a different device - than it is assigned to at this point in time. - Update the grab's device and modifier device to reflect the - current state. - Since XGrabDeviceButton requires to specify the - modifierDevice explicitly, we don't override this choice. - */ - if (tempGrab.type < GenericEvent) - { - grab->device = device; - grab->modifierDevice = GetPairedDevice(device); - } - - for (other = inputInfo.devices; other; other = other->next) - { - GrabPtr othergrab = other->deviceGrab.grab; - if (othergrab && othergrab->grabtype == GRABTYPE_CORE && - SameClient(grab, rClient(othergrab)) && - ((IsPointerDevice(grab->device) && - IsPointerDevice(othergrab->device)) || - (IsKeyboardDevice(grab->device) && - IsKeyboardDevice(othergrab->device)))) - { - interfering = TRUE; - break; - } - } - if (interfering) - continue; - } - - - if (match & CORE_MATCH) - { - rc = EventToCore((InternalEvent*)event, &core); - if (rc != Success) - { - if (rc != BadMatch) - ErrorF("[dix] %s: core conversion failed in CPGFW " - "(%d, %d).\n", device->name, event->type, rc); - continue; - } - xE = &core; - count = 1; - mask = grab->eventMask; - if (grab->ownerEvents) - mask |= pWin->eventMask; - } else if (match & XI2_MATCH) - { - rc = EventToXI2((InternalEvent*)event, &xE); - if (rc != Success) - { - if (rc != BadMatch) - ErrorF("[dix] %s: XI2 conversion failed in CPGFW " - "(%d, %d).\n", device->name, event->type, rc); - continue; - } - count = 1; - - /* FIXME: EventToXI2 returns NULL for enter events, so - * dereferencing the event is bad. Internal event types are - * aligned with core events, so the else clause is valid. - * long-term we should use internal events for enter/focus - * as well */ - if (xE) - mask = grab->xi2mask[device->id][((xGenericEvent*)xE)->evtype/8]; - else if (event->type == XI_Enter || event->type == XI_FocusIn) - mask = grab->xi2mask[device->id][event->type/8]; - - if (grab->ownerEvents && wOtherInputMasks(grab->window)) - { - InputClientsPtr icp = - wOtherInputMasks(grab->window)->inputClients; - - while(icp) - { - if (rClient(icp) == rClient(grab)) - { - int evtype = (xE) ? ((xGenericEvent*)xE)->evtype : event->type; - mask |= icp->xi2mask[device->id][evtype/8]; - break; - } - - icp = icp->next; - } - } - } else - { - rc = EventToXI((InternalEvent*)event, &xE, &count); - if (rc != Success) - { - if (rc != BadMatch) - ErrorF("[dix] %s: XI conversion failed in CPGFW " - "(%d, %d).\n", device->name, event->type, rc); - continue; - } - mask = grab->eventMask; - if (grab->ownerEvents && wOtherInputMasks(grab->window)) - { - InputClientsPtr icp = - wOtherInputMasks(grab->window)->inputClients; - - while(icp) - { - if (rClient(icp) == rClient(grab)) - { - mask |= icp->mask[device->id]; - break; - } - - icp = icp->next; - } - } - } - - (*grabinfo->ActivateGrab)(device, grab, currentTime, TRUE); - - if (xE) - { - FixUpEventFromWindow(device, xE, grab->window, None, TRUE); - - TryClientEvents(rClient(grab), device, xE, count, mask, - GetEventFilter(device, xE), grab); - } - - if (grabinfo->sync.state == FROZEN_NO_EVENT) - { - if (!grabinfo->sync.event) - grabinfo->sync.event = xcalloc(1, sizeof(InternalEvent)); - *grabinfo->sync.event = *event; - grabinfo->sync.state = FROZEN_WITH_EVENT; - } - - if (match & (XI_MATCH | XI2_MATCH)) - xfree(xE); /* on core match xE == &core */ - return TRUE; - } - } - return FALSE; -#undef CORE_MATCH -#undef XI_MATCH -#undef XI2_MATCH -} - -/** - * CheckDeviceGrabs handles both keyboard and pointer events that may cause - * a passive grab to be activated. - * - * If the event is a keyboard event, the ancestors of the focus window are - * traced down and tried to see if they have any passive grabs to be - * activated. If the focus window itself is reached and it's descendants - * contain the pointer, the ancestors of the window that the pointer is in - * are then traced down starting at the focus window, otherwise no grabs are - * activated. - * If the event is a pointer event, the ancestors of the window that the - * pointer is in are traced down starting at the root until CheckPassiveGrabs - * causes a passive grab to activate or all the windows are - * tried. PRH - * - * If a grab is activated, the event has been sent to the client already! - * - * The event we pass in must always be an XI event. From this, we then emulate - * the core event and then check for grabs. - * - * @param device The device that caused the event. - * @param xE The event to handle (Device{Button|Key}Press). - * @param count Number of events in list. - * @return TRUE if a grab has been activated or false otherwise. -*/ - -Bool -CheckDeviceGrabs(DeviceIntPtr device, DeviceEvent *event, int checkFirst) -{ - int i; - WindowPtr pWin = NULL; - FocusClassPtr focus = IsPointerEvent((InternalEvent*)event) ? NULL : device->focus; - BOOL sendCore = (IsMaster(device) && device->coreEvents); - - if (event->type != ET_ButtonPress && - event->type != ET_KeyPress) - return FALSE; - - if (event->type == ET_ButtonPress - && (device->button->buttonsDown != 1)) - return FALSE; - - i = checkFirst; - - if (focus) - { - for (; i < focus->traceGood; i++) - { - pWin = focus->trace[i]; - if (pWin->optional && - CheckPassiveGrabsOnWindow(pWin, device, event, sendCore)) - return TRUE; - } - - if ((focus->win == NoneWin) || - (i >= device->spriteInfo->sprite->spriteTraceGood) || - ((i > checkFirst) && - (pWin != device->spriteInfo->sprite->spriteTrace[i-1]))) - return FALSE; - } - - for (; i < device->spriteInfo->sprite->spriteTraceGood; i++) - { - pWin = device->spriteInfo->sprite->spriteTrace[i]; - if (pWin->optional && - CheckPassiveGrabsOnWindow(pWin, device, event, sendCore)) - return TRUE; - } - - return FALSE; -} - -/** - * Called for keyboard events to deliver event to whatever client owns the - * focus. - * - * The event is delivered to the keyboard's focus window, the root window or - * to the window owning the input focus. - * - * @param keybd The keyboard originating the event. - * @param event The event, not yet in wire format. - * @param window Window underneath the sprite. - */ -void -DeliverFocusedEvent(DeviceIntPtr keybd, InternalEvent *event, WindowPtr window) -{ - DeviceIntPtr ptr; - WindowPtr focus = keybd->focus->win; - BOOL sendCore = (IsMaster(keybd) && keybd->coreEvents); - xEvent core; - xEvent *xE = NULL, *xi2 = NULL; - int count, rc; - int deliveries = 0; - - if (focus == FollowKeyboardWin) - focus = inputInfo.keyboard->focus->win; - if (!focus) - return; - if (focus == PointerRootWin) - { - DeliverDeviceEvents(window, event, NullGrab, NullWindow, keybd); - return; - } - if ((focus == window) || IsParent(focus, window)) - { - if (DeliverDeviceEvents(window, event, NullGrab, focus, keybd)) - return; - } - - /* just deliver it to the focus window */ - ptr = GetPairedDevice(keybd); - - - rc = EventToXI2(event, &xi2); - if (rc == Success) - { - /* XXX: XACE */ - int filter = GetEventFilter(keybd, xi2); - FixUpEventFromWindow(ptr, xi2, focus, None, FALSE); - deliveries = DeliverEventsToWindow(keybd, focus, xi2, 1, - filter, NullGrab); - if (deliveries > 0) - goto unwind; - } else if (rc != BadMatch) - ErrorF("[dix] %s: XI2 conversion failed in DFE (%d, %d). Skipping delivery.\n", - keybd->name, event->any.type, rc); - - rc = EventToXI(event, &xE, &count); - if (rc == Success && - XaceHook(XACE_SEND_ACCESS, NULL, keybd, focus, xE, count) == Success) - { - FixUpEventFromWindow(ptr, xE, focus, None, FALSE); - deliveries = DeliverEventsToWindow(keybd, focus, xE, count, - GetEventFilter(keybd, xE), - NullGrab); - - if (deliveries > 0) - goto unwind; - } else if (rc != BadMatch) - ErrorF("[dix] %s: XI conversion failed in DFE (%d, %d). Skipping delivery.\n", - keybd->name, event->any.type, rc); - - if (sendCore) - { - rc = EventToCore(event, &core); - if (rc == Success) { - if (XaceHook(XACE_SEND_ACCESS, NULL, keybd, focus, &core, 1) == Success) { - FixUpEventFromWindow(keybd, &core, focus, None, FALSE); - deliveries = DeliverEventsToWindow(keybd, focus, &core, 1, - GetEventFilter(keybd, &core), - NullGrab); - } - } else if (rc != BadMatch) - ErrorF("[dix] %s: core conversion failed DFE (%d, %d). Skipping delivery.\n", - keybd->name, event->any.type, rc); - } - -unwind: - if (xE) - xfree(xE); - if (xi2) - xfree(xi2); - return; -} - -/** - * Deliver an event from a device that is currently grabbed. Uses - * DeliverDeviceEvents() for further delivery if a ownerEvents is set on the - * grab. If not, TryClientEvents() is used. - * - * @param deactivateGrab True if the device's grab should be deactivated. - */ -void -DeliverGrabbedEvent(InternalEvent *event, DeviceIntPtr thisDev, - Bool deactivateGrab) -{ - GrabPtr grab; - GrabInfoPtr grabinfo; - int deliveries = 0; - DeviceIntPtr dev; - SpritePtr pSprite = thisDev->spriteInfo->sprite; - BOOL sendCore = FALSE; - int rc, count = 0; - xEvent *xi = NULL; - xEvent *xi2 = NULL; - - grabinfo = &thisDev->deviceGrab; - grab = grabinfo->grab; - - if (grab->ownerEvents) - { - WindowPtr focus; - - /* Hack: Some pointer device have a focus class. So we need to check - * for the type of event, to see if we really want to deliver it to - * the focus window. For pointer events, the answer is no. - */ - if (IsPointerEvent(event)) - focus = PointerRootWin; - else if (thisDev->focus) - { - focus = thisDev->focus->win; - if (focus == FollowKeyboardWin) - focus = inputInfo.keyboard->focus->win; - } - else - focus = PointerRootWin; - if (focus == PointerRootWin) - deliveries = DeliverDeviceEvents(pSprite->win, event, grab, - NullWindow, thisDev); - else if (focus && (focus == pSprite->win || - IsParent(focus, pSprite->win))) - deliveries = DeliverDeviceEvents(pSprite->win, event, grab, focus, - thisDev); - else if (focus) - deliveries = DeliverDeviceEvents(focus, event, grab, focus, - thisDev); - } - if (!deliveries) - { - Mask mask; - - /* XXX: In theory, we could pass the internal events through to - * everything and only convert just before hitting the wire. We can't - * do that yet, so DGE is the last stop for internal events. From here - * onwards, we deal with core/XI events. - */ - - mask = grab->eventMask; - - sendCore = (IsMaster(thisDev) && thisDev->coreEvents); - /* try core event */ - if (sendCore && grab->grabtype == GRABTYPE_CORE) - { - xEvent core; - - rc = EventToCore(event, &core); - if (rc == Success) - { - FixUpEventFromWindow(thisDev, &core, grab->window, - None, TRUE); - if (XaceHook(XACE_SEND_ACCESS, 0, thisDev, - grab->window, &core, 1) || - XaceHook(XACE_RECEIVE_ACCESS, rClient(grab), - grab->window, &core, 1)) - deliveries = 1; /* don't send, but pretend we did */ - else if (!IsInterferingGrab(rClient(grab), thisDev, &core)) - { - deliveries = TryClientEvents(rClient(grab), thisDev, - &core, 1, mask, - GetEventFilter(thisDev, &core), - grab); - } - } else if (rc != BadMatch) - ErrorF("[dix] DeliverGrabbedEvent. Core conversion failed.\n"); - } - - if (!deliveries) - { - rc = EventToXI2(event, &xi2); - if (rc == Success) - { - int evtype = ((xGenericEvent*)xi2)->evtype; - mask = grab->xi2mask[XIAllDevices][evtype/8] | - grab->xi2mask[XIAllMasterDevices][evtype/8] | - grab->xi2mask[thisDev->id][evtype/8]; - /* try XI2 event */ - FixUpEventFromWindow(thisDev, xi2, grab->window, None, TRUE); - /* XXX: XACE */ - deliveries = TryClientEvents(rClient(grab), thisDev, xi2, 1, mask, - GetEventFilter(thisDev, xi2), grab); - } else if (rc != BadMatch) - ErrorF("[dix] %s: XI2 conversion failed in DGE (%d, %d). Skipping delivery.\n", - thisDev->name, event->any.type, rc); - } - - if (!deliveries) - { - rc = EventToXI(event, &xi, &count); - if (rc == Success) - { - /* try XI event */ - if (grabinfo->fromPassiveGrab && - grabinfo->implicitGrab) - mask = grab->deviceMask; - else - mask = grab->eventMask; - - FixUpEventFromWindow(thisDev, xi, grab->window, - None, TRUE); - - if (XaceHook(XACE_SEND_ACCESS, 0, thisDev, - grab->window, xi, count) || - XaceHook(XACE_RECEIVE_ACCESS, rClient(grab), - grab->window, xi, count)) - deliveries = 1; /* don't send, but pretend we did */ - else - { - deliveries = - TryClientEvents(rClient(grab), thisDev, - xi, count, - mask, - GetEventFilter(thisDev, xi), - grab); - } - } else if (rc != BadMatch) - ErrorF("[dix] %s: XI conversion failed in DGE (%d, %d). Skipping delivery.\n", - thisDev->name, event->any.type, rc); - } - - if (deliveries && (event->any.type == ET_Motion)) - thisDev->valuator->motionHintWindow = grab->window; - } - if (deliveries && !deactivateGrab && event->any.type != ET_Motion) - { - switch (grabinfo->sync.state) - { - case FREEZE_BOTH_NEXT_EVENT: - for (dev = inputInfo.devices; dev; dev = dev->next) - { - if (dev == thisDev) - continue; - FreezeThaw(dev, TRUE); - if ((dev->deviceGrab.sync.state == FREEZE_BOTH_NEXT_EVENT) && - (CLIENT_BITS(grab->resource) == - CLIENT_BITS(dev->deviceGrab.grab->resource))) - dev->deviceGrab.sync.state = FROZEN_NO_EVENT; - else - dev->deviceGrab.sync.other = grab; - } - /* fall through */ - case FREEZE_NEXT_EVENT: - grabinfo->sync.state = FROZEN_WITH_EVENT; - FreezeThaw(thisDev, TRUE); - if (!grabinfo->sync.event) - grabinfo->sync.event = xcalloc(1, sizeof(InternalEvent)); - *grabinfo->sync.event = event->device_event; - break; - } - } - - if (xi) - xfree(xi); - if (xi2) - xfree(xi2); -} - -/* This function is used to set the key pressed or key released state - - this is only used when the pressing of keys does not cause - the device's processInputProc to be called, as in for example Mouse Keys. -*/ -void -FixKeyState (DeviceEvent *event, DeviceIntPtr keybd) -{ - int key, bit; - BYTE *kptr; - KeyClassPtr keyc = keybd->key; - - key = event->detail.key; - kptr = &keyc->down[key >> 3]; - bit = 1 << (key & 7); - - if (event->type == ET_KeyPress) { - DebugF("FixKeyState: Key %d %s\n",key, - ((event->type == ET_KeyPress) ? "down" : "up")); - } - - if (event->type == ET_KeyPress) - *kptr |= bit; - else if (event->type == ET_KeyRelease) - *kptr &= ~bit; - else - FatalError("Impossible keyboard event"); -} - -#define AtMostOneClient \ - (SubstructureRedirectMask | ResizeRedirectMask | ButtonPressMask) -#define ManagerMask \ - (SubstructureRedirectMask | ResizeRedirectMask) - -/** - * Recalculate which events may be deliverable for the given window. - * Recalculated mask is used for quicker determination which events may be - * delivered to a window. - * - * The otherEventMasks on a WindowOptional is the combination of all event - * masks set by all clients on the window. - * deliverableEventMask is the combination of the eventMask and the - * otherEventMask plus the events that may be propagated to the parent. - * - * Traverses to siblings and parents of the window. - */ -void -RecalculateDeliverableEvents(WindowPtr pWin) -{ - OtherClients *others; - WindowPtr pChild; - - pChild = pWin; - while (1) - { - if (pChild->optional) - { - pChild->optional->otherEventMasks = 0; - for (others = wOtherClients(pChild); others; others = others->next) - { - pChild->optional->otherEventMasks |= others->mask; - } - } - pChild->deliverableEvents = pChild->eventMask| - wOtherEventMasks(pChild); - if (pChild->parent) - pChild->deliverableEvents |= - (pChild->parent->deliverableEvents & - ~wDontPropagateMask(pChild) & PropagateMask); - if (pChild->firstChild) - { - pChild = pChild->firstChild; - continue; - } - while (!pChild->nextSib && (pChild != pWin)) - pChild = pChild->parent; - if (pChild == pWin) - break; - pChild = pChild->nextSib; - } -} - -/** - * - * \param value must conform to DeleteType - */ -int -OtherClientGone(pointer value, XID id) -{ - OtherClientsPtr other, prev; - WindowPtr pWin = (WindowPtr)value; - - prev = 0; - for (other = wOtherClients(pWin); other; other = other->next) - { - if (other->resource == id) - { - if (prev) - prev->next = other->next; - else - { - if (!(pWin->optional->otherClients = other->next)) - CheckWindowOptionalNeed (pWin); - } - xfree(other); - RecalculateDeliverableEvents(pWin); - return(Success); - } - prev = other; - } - FatalError("client not on event list"); - /*NOTREACHED*/ - return -1; /* make compiler happy */ -} - -int -EventSelectForWindow(WindowPtr pWin, ClientPtr client, Mask mask) -{ - Mask check; - OtherClients * others; - DeviceIntPtr dev; - int rc; - - if (mask & ~AllEventMasks) - { - client->errorValue = mask; - return BadValue; - } - check = (mask & ManagerMask); - if (check) { - rc = XaceHook(XACE_RESOURCE_ACCESS, client, pWin->drawable.id, - RT_WINDOW, pWin, RT_NONE, NULL, DixManageAccess); - if (rc != Success) - return rc; - } - check = (mask & AtMostOneClient); - if (check & (pWin->eventMask|wOtherEventMasks(pWin))) - { /* It is illegal for two different - clients to select on any of the - events for AtMostOneClient. However, - it is OK, for some client to - continue selecting on one of those - events. */ - if ((wClient(pWin) != client) && (check & pWin->eventMask)) - return BadAccess; - for (others = wOtherClients (pWin); others; others = others->next) - { - if (!SameClient(others, client) && (check & others->mask)) - return BadAccess; - } - } - if (wClient (pWin) == client) - { - check = pWin->eventMask; - pWin->eventMask = mask; - } - else - { - for (others = wOtherClients (pWin); others; others = others->next) - { - if (SameClient(others, client)) - { - check = others->mask; - if (mask == 0) - { - FreeResource(others->resource, RT_NONE); - return Success; - } - else - others->mask = mask; - goto maskSet; - } - } - check = 0; - if (!pWin->optional && !MakeWindowOptional (pWin)) - return BadAlloc; - others = xalloc(sizeof(OtherClients)); - if (!others) - return BadAlloc; - others->mask = mask; - others->resource = FakeClientID(client->index); - others->next = pWin->optional->otherClients; - pWin->optional->otherClients = others; - if (!AddResource(others->resource, RT_OTHERCLIENT, (pointer)pWin)) - return BadAlloc; - } -maskSet: - if ((mask & PointerMotionHintMask) && !(check & PointerMotionHintMask)) - { - for (dev = inputInfo.devices; dev; dev = dev->next) - { - if (dev->valuator && dev->valuator->motionHintWindow == pWin) - dev->valuator->motionHintWindow = NullWindow; - } - } - RecalculateDeliverableEvents(pWin); - return Success; -} - -int -EventSuppressForWindow(WindowPtr pWin, ClientPtr client, - Mask mask, Bool *checkOptional) -{ - int i, free; - - if (mask & ~PropagateMask) - { - client->errorValue = mask; - return BadValue; - } - if (pWin->dontPropagate) - DontPropagateRefCnts[pWin->dontPropagate]--; - if (!mask) - i = 0; - else - { - for (i = DNPMCOUNT, free = 0; --i > 0; ) - { - if (!DontPropagateRefCnts[i]) - free = i; - else if (mask == DontPropagateMasks[i]) - break; - } - if (!i && free) - { - i = free; - DontPropagateMasks[i] = mask; - } - } - if (i || !mask) - { - pWin->dontPropagate = i; - if (i) - DontPropagateRefCnts[i]++; - if (pWin->optional) - { - pWin->optional->dontPropagateMask = mask; - *checkOptional = TRUE; - } - } - else - { - if (!pWin->optional && !MakeWindowOptional (pWin)) - { - if (pWin->dontPropagate) - DontPropagateRefCnts[pWin->dontPropagate]++; - return BadAlloc; - } - pWin->dontPropagate = 0; - pWin->optional->dontPropagateMask = mask; - } - RecalculateDeliverableEvents(pWin); - return Success; -} - -/** - * Assembles an EnterNotify or LeaveNotify and sends it event to the client. - * Uses the paired keyboard to get some additional information. - */ -void -CoreEnterLeaveEvent( - DeviceIntPtr mouse, - int type, - int mode, - int detail, - WindowPtr pWin, - Window child) -{ - xEvent event; - WindowPtr focus; - DeviceIntPtr keybd; - GrabPtr grab = mouse->deviceGrab.grab; - Mask mask; - - keybd = GetPairedDevice(mouse); - - if ((pWin == mouse->valuator->motionHintWindow) && - (detail != NotifyInferior)) - mouse->valuator->motionHintWindow = NullWindow; - if (grab) - { - mask = (pWin == grab->window) ? grab->eventMask : 0; - if (grab->ownerEvents) - mask |= EventMaskForClient(pWin, rClient(grab)); - } - else - { - mask = pWin->eventMask | wOtherEventMasks(pWin); - } - - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = type; - event.u.u.detail = detail; - event.u.enterLeave.time = currentTime.milliseconds; - event.u.enterLeave.rootX = mouse->spriteInfo->sprite->hot.x; - event.u.enterLeave.rootY = mouse->spriteInfo->sprite->hot.y; - /* Counts on the same initial structure of crossing & button events! */ - FixUpEventFromWindow(mouse, &event, pWin, None, FALSE); - /* Enter/Leave events always set child */ - event.u.enterLeave.child = child; - event.u.enterLeave.flags = event.u.keyButtonPointer.sameScreen ? - ELFlagSameScreen : 0; - event.u.enterLeave.state = mouse->button ? (mouse->button->state & 0x1f00) : 0; - if (keybd) - event.u.enterLeave.state |= - XkbGrabStateFromRec(&keybd->key->xkbInfo->state); - event.u.enterLeave.mode = mode; - focus = (keybd) ? keybd->focus->win : None; - if ((focus != NoneWin) && - ((pWin == focus) || (focus == PointerRootWin) || - IsParent(focus, pWin))) - event.u.enterLeave.flags |= ELFlagFocus; - - if ((mask & GetEventFilter(mouse, &event))) - { - if (grab) - TryClientEvents(rClient(grab), mouse, &event, 1, mask, - GetEventFilter(mouse, &event), grab); - else - DeliverEventsToWindow(mouse, pWin, &event, 1, - GetEventFilter(mouse, &event), - NullGrab); - } - - if ((type == EnterNotify) && (mask & KeymapStateMask)) - { - xKeymapEvent ke; - ClientPtr client = grab ? rClient(grab) : wClient(pWin); - if (XaceHook(XACE_DEVICE_ACCESS, client, keybd, DixReadAccess)) - bzero((char *)&ke.map[0], 31); - else - memmove((char *)&ke.map[0], (char *)&keybd->key->down[1], 31); - - ke.type = KeymapNotify; - if (grab) - TryClientEvents(rClient(grab), keybd, (xEvent *)&ke, 1, - mask, KeymapStateMask, grab); - else - DeliverEventsToWindow(mouse, pWin, (xEvent *)&ke, 1, - KeymapStateMask, NullGrab); - } -} - -void -DeviceEnterLeaveEvent( - DeviceIntPtr mouse, - int sourceid, - int type, - int mode, - int detail, - WindowPtr pWin, - Window child) -{ - GrabPtr grab = mouse->deviceGrab.grab; - xXIEnterEvent *event; - int filter; - int btlen, len, i; - DeviceIntPtr kbd; - - if ((mode == XINotifyPassiveGrab && type == XI_Leave) || - (mode == XINotifyPassiveUngrab && type == XI_Enter)) - return; - - btlen = (mouse->button) ? bits_to_bytes(mouse->button->numButtons) : 0; - btlen = bytes_to_int32(btlen); - len = sizeof(xXIEnterEvent) + btlen * 4; - - event = xcalloc(1, len); - event->type = GenericEvent; - event->extension = IReqCode; - event->evtype = type; - event->length = (len - sizeof(xEvent))/4; - event->buttons_len = btlen; - event->detail = detail; - event->time = currentTime.milliseconds; - event->deviceid = mouse->id; - event->sourceid = sourceid; - event->mode = mode; - event->root_x = FP1616(mouse->spriteInfo->sprite->hot.x, 0); - event->root_y = FP1616(mouse->spriteInfo->sprite->hot.y, 0); - - for (i = 0; mouse && mouse->button && i < mouse->button->numButtons; i++) - if (BitIsOn(mouse->button->down, i)) - SetBit(&event[1], i); - - kbd = (IsMaster(mouse) || mouse->u.master) ? GetPairedDevice(mouse) : NULL; - if (kbd && kbd->key) - { - event->mods.base_mods = kbd->key->xkbInfo->state.base_mods; - event->mods.latched_mods = kbd->key->xkbInfo->state.latched_mods; - event->mods.locked_mods = kbd->key->xkbInfo->state.locked_mods; - - event->group.base_group = kbd->key->xkbInfo->state.base_group; - event->group.latched_group = kbd->key->xkbInfo->state.latched_group; - event->group.locked_group = kbd->key->xkbInfo->state.locked_group; - } - - FixUpEventFromWindow(mouse, (xEvent*)event, pWin, None, FALSE); - - filter = GetEventFilter(mouse, (xEvent*)event); - - if (grab) - { - Mask mask; - mask = grab->xi2mask[XIAllDevices][type/8] | - grab->xi2mask[XIAllMasterDevices][type/8] | - grab->xi2mask[mouse->id][type/8]; - TryClientEvents(rClient(grab), mouse, (xEvent*)event, 1, mask, - filter, grab); - } else { - if (!GetWindowXI2Mask(mouse, pWin, (xEvent*)event)) - goto out; - DeliverEventsToWindow(mouse, pWin, (xEvent*)event, 1, filter, - NullGrab); - } - -out: - xfree(event); -} - -void -CoreFocusEvent(DeviceIntPtr dev, int type, int mode, int detail, WindowPtr pWin) -{ - xEvent event; - - memset(&event, 0, sizeof(xEvent)); - event.u.focus.mode = mode; - event.u.u.type = type; - event.u.u.detail = detail; - event.u.focus.window = pWin->drawable.id; - - DeliverEventsToWindow(dev, pWin, &event, 1, - GetEventFilter(dev, &event), NullGrab); - if ((type == FocusIn) && - ((pWin->eventMask | wOtherEventMasks(pWin)) & KeymapStateMask)) - { - xKeymapEvent ke; - ClientPtr client = wClient(pWin); - if (XaceHook(XACE_DEVICE_ACCESS, client, dev, DixReadAccess)) - bzero((char *)&ke.map[0], 31); - else - memmove((char *)&ke.map[0], (char *)&dev->key->down[1], 31); - - ke.type = KeymapNotify; - DeliverEventsToWindow(dev, pWin, (xEvent *)&ke, 1, - KeymapStateMask, NullGrab); - } -} - -/** - * Set the input focus to the given window. Subsequent keyboard events will be - * delivered to the given window. - * - * Usually called from ProcSetInputFocus as result of a client request. If so, - * the device is the inputInfo.keyboard. - * If called from ProcXSetInputFocus as result of a client xinput request, the - * device is set to the device specified by the client. - * - * @param client Client that requested input focus change. - * @param dev Focus device. - * @param focusID The window to obtain the focus. Can be PointerRoot or None. - * @param revertTo Specifies where the focus reverts to when window becomes - * unviewable. - * @param ctime Specifies the time. - * @param followOK True if pointer is allowed to follow the keyboard. - */ -int -SetInputFocus( - ClientPtr client, - DeviceIntPtr dev, - Window focusID, - CARD8 revertTo, - Time ctime, - Bool followOK) -{ - FocusClassPtr focus; - WindowPtr focusWin; - int mode, rc; - TimeStamp time; - DeviceIntPtr keybd; /* used for FollowKeyboard or FollowKeyboardWin */ - - - UpdateCurrentTime(); - if ((revertTo != RevertToParent) && - (revertTo != RevertToPointerRoot) && - (revertTo != RevertToNone) && - ((revertTo != RevertToFollowKeyboard) || !followOK)) - { - client->errorValue = revertTo; - return BadValue; - } - time = ClientTimeToServerTime(ctime); - - if (IsKeyboardDevice(dev)) - keybd = dev; - else - keybd = GetPairedDevice(dev); - - if ((focusID == None) || (focusID == PointerRoot)) - focusWin = (WindowPtr)(long)focusID; - else if ((focusID == FollowKeyboard) && followOK) - { - focusWin = keybd->focus->win; - } - else { - rc = dixLookupWindow(&focusWin, focusID, client, DixSetAttrAccess); - if (rc != Success) - return rc; - /* It is a match error to try to set the input focus to an - unviewable window. */ - if(!focusWin->realized) - return(BadMatch); - } - rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixSetFocusAccess); - if (rc != Success) - return Success; - - focus = dev->focus; - if ((CompareTimeStamps(time, currentTime) == LATER) || - (CompareTimeStamps(time, focus->time) == EARLIER)) - return Success; - mode = (dev->deviceGrab.grab) ? NotifyWhileGrabbed : NotifyNormal; - if (focus->win == FollowKeyboardWin) - { - if (!ActivateFocusInGrab(dev, keybd->focus->win, focusWin)) - DoFocusEvents(dev, keybd->focus->win, focusWin, mode); - } else - { - if (!ActivateFocusInGrab(dev, focus->win, focusWin)) - DoFocusEvents(dev, focus->win, focusWin, mode); - } - focus->time = time; - focus->revert = revertTo; - if (focusID == FollowKeyboard) - focus->win = FollowKeyboardWin; - else - focus->win = focusWin; - if ((focusWin == NoneWin) || (focusWin == PointerRootWin)) - focus->traceGood = 0; - else - { - int depth = 0; - WindowPtr pWin; - - for (pWin = focusWin; pWin; pWin = pWin->parent) depth++; - if (depth > focus->traceSize) - { - focus->traceSize = depth+1; - focus->trace = xrealloc(focus->trace, - focus->traceSize * sizeof(WindowPtr)); - } - focus->traceGood = depth; - for (pWin = focusWin, depth--; pWin; pWin = pWin->parent, depth--) - focus->trace[depth] = pWin; - } - return Success; -} - -/** - * Server-side protocol handling for SetInputFocus request. - * - * Sets the input focus for the virtual core keyboard. - */ -int -ProcSetInputFocus(ClientPtr client) -{ - DeviceIntPtr kbd = PickKeyboard(client); - REQUEST(xSetInputFocusReq); - - REQUEST_SIZE_MATCH(xSetInputFocusReq); - - return SetInputFocus(client, kbd, stuff->focus, - stuff->revertTo, stuff->time, FALSE); -} - -/** - * Server-side protocol handling for GetInputFocus request. - * - * Sends the current input focus for the client's keyboard back to the - * client. - */ -int -ProcGetInputFocus(ClientPtr client) -{ - DeviceIntPtr kbd = PickKeyboard(client); - xGetInputFocusReply rep; - FocusClassPtr focus = kbd->focus; - int rc; - /* REQUEST(xReq); */ - REQUEST_SIZE_MATCH(xReq); - - rc = XaceHook(XACE_DEVICE_ACCESS, client, kbd, DixGetFocusAccess); - if (rc != Success) - return rc; - - memset(&rep, 0, sizeof(xGetInputFocusReply)); - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - if (focus->win == NoneWin) - rep.focus = None; - else if (focus->win == PointerRootWin) - rep.focus = PointerRoot; - else rep.focus = focus->win->drawable.id; - rep.revertTo = focus->revert; - WriteReplyToClient(client, sizeof(xGetInputFocusReply), &rep); - return Success; -} - -/** - * Server-side protocol handling for GrabPointer request. - * - * Sets an active grab on the client's ClientPointer and returns success - * status to client. - */ -int -ProcGrabPointer(ClientPtr client) -{ - xGrabPointerReply rep; - DeviceIntPtr device = PickPointer(client); - GrabPtr grab; - GrabMask mask; - WindowPtr confineTo; - CursorPtr oldCursor; - REQUEST(xGrabPointerReq); - TimeStamp time; - int rc; - - REQUEST_SIZE_MATCH(xGrabPointerReq); - UpdateCurrentTime(); - - if (stuff->eventMask & ~PointerGrabMask) - { - client->errorValue = stuff->eventMask; - return BadValue; - } - - if (stuff->confineTo == None) - confineTo = NullWindow; - else - { - rc = dixLookupWindow(&confineTo, stuff->confineTo, client, - DixSetAttrAccess); - if (rc != Success) - return rc; - } - - memset(&rep, 0, sizeof(xGrabPointerReply)); - oldCursor = NullCursor; - grab = device->deviceGrab.grab; - - if (grab) - { - if (grab->confineTo && !confineTo) - ConfineCursorToWindow(device, RootWindow(device), FALSE, FALSE); - oldCursor = grab->cursor; - } - - mask.core = stuff->eventMask; - - rc = GrabDevice(client, device, stuff->pointerMode, stuff->keyboardMode, - stuff->grabWindow, stuff->ownerEvents, stuff->time, - &mask, GRABTYPE_CORE, stuff->cursor, - stuff->confineTo, &rep.status); - if (rc != Success) - return rc; - - if (oldCursor && rep.status == GrabSuccess) - FreeCursor (oldCursor, (Cursor)0); - - time = ClientTimeToServerTime(stuff->time); - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.length = 0; - WriteReplyToClient(client, sizeof(xGrabPointerReply), &rep); - return Success; -} - -/** - * Server-side protocol handling for ChangeActivePointerGrab request. - * - * Changes properties of the grab hold by the client. If the client does not - * hold an active grab on the device, nothing happens. - */ -int -ProcChangeActivePointerGrab(ClientPtr client) -{ - DeviceIntPtr device; - GrabPtr grab; - CursorPtr newCursor, oldCursor; - REQUEST(xChangeActivePointerGrabReq); - TimeStamp time; - - REQUEST_SIZE_MATCH(xChangeActivePointerGrabReq); - if (stuff->eventMask & ~PointerGrabMask) - { - client->errorValue = stuff->eventMask; - return BadValue; - } - if (stuff->cursor == None) - newCursor = NullCursor; - else - { - int rc = dixLookupResourceByType((pointer *)&newCursor, stuff->cursor, - RT_CURSOR, client, DixUseAccess); - if (rc != Success) - { - client->errorValue = stuff->cursor; - return (rc == BadValue) ? BadCursor : rc; - } - } - - device = PickPointer(client); - grab = device->deviceGrab.grab; - - if (!grab) - return Success; - if (!SameClient(grab, client)) - return Success; - time = ClientTimeToServerTime(stuff->time); - if ((CompareTimeStamps(time, currentTime) == LATER) || - (CompareTimeStamps(time, device->deviceGrab.grabTime) == EARLIER)) - return Success; - oldCursor = grab->cursor; - grab->cursor = newCursor; - if (newCursor) - newCursor->refcnt++; - PostNewCursor(device); - if (oldCursor) - FreeCursor(oldCursor, (Cursor)0); - grab->eventMask = stuff->eventMask; - return Success; -} - -/** - * Server-side protocol handling for UngrabPointer request. - * - * Deletes a pointer grab on a device the client has grabbed. - */ -int -ProcUngrabPointer(ClientPtr client) -{ - DeviceIntPtr device = PickPointer(client); - GrabPtr grab; - TimeStamp time; - REQUEST(xResourceReq); - - REQUEST_SIZE_MATCH(xResourceReq); - UpdateCurrentTime(); - grab = device->deviceGrab.grab; - - time = ClientTimeToServerTime(stuff->id); - if ((CompareTimeStamps(time, currentTime) != LATER) && - (CompareTimeStamps(time, device->deviceGrab.grabTime) != EARLIER) && - (grab) && SameClient(grab, client)) - (*device->deviceGrab.DeactivateGrab)(device); - return Success; -} - -/** - * Sets a grab on the given device. - * - * Called from ProcGrabKeyboard to work on the client's keyboard. - * Called from ProcXGrabDevice to work on the device specified by the client. - * - * The parameters this_mode and other_mode represent the keyboard_mode and - * pointer_mode parameters of XGrabKeyboard(). - * See man page for details on all the parameters - * - * @param client Client that owns the grab. - * @param dev The device to grab. - * @param this_mode GrabModeSync or GrabModeAsync - * @param other_mode GrabModeSync or GrabModeAsync - * @param status Return code to be returned to the caller. - * - * @returns Success or BadValue. - */ -int -GrabDevice(ClientPtr client, DeviceIntPtr dev, - unsigned pointer_mode, unsigned keyboard_mode, Window grabWindow, - unsigned ownerEvents, Time ctime, GrabMask *mask, - int grabtype, Cursor curs, Window confineToWin, CARD8 *status) -{ - WindowPtr pWin, confineTo; - GrabPtr grab; - TimeStamp time; - Mask access_mode = DixGrabAccess; - int rc; - GrabInfoPtr grabInfo = &dev->deviceGrab; - CursorPtr cursor; - - UpdateCurrentTime(); - if ((keyboard_mode != GrabModeSync) && (keyboard_mode != GrabModeAsync)) - { - client->errorValue = keyboard_mode; - return BadValue; - } - if ((pointer_mode != GrabModeSync) && (pointer_mode != GrabModeAsync)) - { - client->errorValue = pointer_mode; - return BadValue; - } - if ((ownerEvents != xFalse) && (ownerEvents != xTrue)) - { - client->errorValue = ownerEvents; - return BadValue; - } - - rc = dixLookupWindow(&pWin, grabWindow, client, DixSetAttrAccess); - if (rc != Success) - return rc; - - if (confineToWin == None) - confineTo = NullWindow; - else - { - rc = dixLookupWindow(&confineTo, confineToWin, client, - DixSetAttrAccess); - if (rc != Success) - return rc; - } - - if (curs == None) - cursor = NullCursor; - else - { - rc = dixLookupResourceByType((pointer *)&cursor, curs, RT_CURSOR, - client, DixUseAccess); - if (rc != Success) - { - client->errorValue = curs; - return (rc == BadValue) ? BadCursor : rc; - } - access_mode |= DixForceAccess; - } - - if (keyboard_mode == GrabModeSync || pointer_mode == GrabModeSync) - access_mode |= DixFreezeAccess; - rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode); - if (rc != Success) - return rc; - - time = ClientTimeToServerTime(ctime); - grab = grabInfo->grab; - if (grab && grab->grabtype != grabtype) - *status = AlreadyGrabbed; - if (grab && !SameClient(grab, client)) - *status = AlreadyGrabbed; - else if ((!pWin->realized) || - (confineTo && - !(confineTo->realized - && BorderSizeNotEmpty(dev, confineTo)))) - *status = GrabNotViewable; - else if ((CompareTimeStamps(time, currentTime) == LATER) || - (CompareTimeStamps(time, grabInfo->grabTime) == EARLIER)) - *status = GrabInvalidTime; - else if (grabInfo->sync.frozen && - grabInfo->sync.other && !SameClient(grabInfo->sync.other, client)) - *status = GrabFrozen; - else - { - GrabRec tempGrab; - - /* Otherwise segfaults happen on grabbed MPX devices */ - memset(&tempGrab, 0, sizeof(GrabRec)); - - tempGrab.next = NULL; - tempGrab.window = pWin; - tempGrab.resource = client->clientAsMask; - tempGrab.ownerEvents = ownerEvents; - tempGrab.keyboardMode = keyboard_mode; - tempGrab.pointerMode = pointer_mode; - if (grabtype == GRABTYPE_CORE) - tempGrab.eventMask = mask->core; - else if (grabtype == GRABTYPE_XI) - tempGrab.eventMask = mask->xi; - else - memcpy(tempGrab.xi2mask, mask->xi2mask, sizeof(tempGrab.xi2mask)); - tempGrab.device = dev; - tempGrab.cursor = cursor; - tempGrab.confineTo = confineTo; - tempGrab.grabtype = grabtype; - (*grabInfo->ActivateGrab)(dev, &tempGrab, time, FALSE); - *status = GrabSuccess; - } - return Success; -} - -/** - * Server-side protocol handling for GrabKeyboard request. - * - * Grabs the client's keyboard and returns success status to client. - */ -int -ProcGrabKeyboard(ClientPtr client) -{ - xGrabKeyboardReply rep; - REQUEST(xGrabKeyboardReq); - int result; - DeviceIntPtr keyboard = PickKeyboard(client); - GrabMask mask; - - REQUEST_SIZE_MATCH(xGrabKeyboardReq); - - memset(&rep, 0, sizeof(xGrabKeyboardReply)); - mask.core = KeyPressMask | KeyReleaseMask; - - result = GrabDevice(client, keyboard, stuff->pointerMode, - stuff->keyboardMode, stuff->grabWindow, stuff->ownerEvents, - stuff->time, &mask, GRABTYPE_CORE, None, None, - &rep.status); - - if (result != Success) - return result; - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.length = 0; - WriteReplyToClient(client, sizeof(xGrabKeyboardReply), &rep); - return Success; -} - -/** - * Server-side protocol handling for UngrabKeyboard request. - * - * Deletes a possible grab on the client's keyboard. - */ -int -ProcUngrabKeyboard(ClientPtr client) -{ - DeviceIntPtr device = PickKeyboard(client); - GrabPtr grab; - TimeStamp time; - REQUEST(xResourceReq); - - REQUEST_SIZE_MATCH(xResourceReq); - UpdateCurrentTime(); - - grab = device->deviceGrab.grab; - - time = ClientTimeToServerTime(stuff->id); - if ((CompareTimeStamps(time, currentTime) != LATER) && - (CompareTimeStamps(time, device->deviceGrab.grabTime) != EARLIER) && - (grab) && SameClient(grab, client) && grab->grabtype == GRABTYPE_CORE) - (*device->deviceGrab.DeactivateGrab)(device); - return Success; -} - -/** - * Server-side protocol handling for QueryPointer request. - * - * Returns the current state and position of the client's ClientPointer to the - * client. - */ -int -ProcQueryPointer(ClientPtr client) -{ - xQueryPointerReply rep; - WindowPtr pWin, t; - DeviceIntPtr mouse = PickPointer(client); - DeviceIntPtr keyboard; - SpritePtr pSprite; - int rc; - REQUEST(xResourceReq); - REQUEST_SIZE_MATCH(xResourceReq); - - rc = dixLookupWindow(&pWin, stuff->id, client, DixGetAttrAccess); - if (rc != Success) - return rc; - rc = XaceHook(XACE_DEVICE_ACCESS, client, mouse, DixReadAccess); - if (rc != Success && rc != BadAccess) - return rc; - - keyboard = GetPairedDevice(mouse); - - pSprite = mouse->spriteInfo->sprite; - if (mouse->valuator->motionHintWindow) - MaybeStopHint(mouse, client); - memset(&rep, 0, sizeof(xQueryPointerReply)); - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.mask = mouse->button ? (mouse->button->state) : 0; - rep.mask |= XkbStateFieldFromRec(&keyboard->key->xkbInfo->state); - rep.length = 0; - rep.root = (RootWindow(mouse))->drawable.id; - rep.rootX = pSprite->hot.x; - rep.rootY = pSprite->hot.y; - rep.child = None; - if (pSprite->hot.pScreen == pWin->drawable.pScreen) - { - rep.sameScreen = xTrue; - rep.winX = pSprite->hot.x - pWin->drawable.x; - rep.winY = pSprite->hot.y - pWin->drawable.y; - for (t = pSprite->win; t; t = t->parent) - if (t->parent == pWin) - { - rep.child = t->drawable.id; - break; - } - } - else - { - rep.sameScreen = xFalse; - rep.winX = 0; - rep.winY = 0; - } - -#ifdef PANORAMIX - if(!noPanoramiXExtension) { - rep.rootX += panoramiXdataPtr[0].x; - rep.rootY += panoramiXdataPtr[0].y; - if(stuff->id == rep.root) { - rep.winX += panoramiXdataPtr[0].x; - rep.winY += panoramiXdataPtr[0].y; - } - } -#endif - - if (rc == BadAccess) { - rep.mask = 0; - rep.child = None; - rep.rootX = 0; - rep.rootY = 0; - rep.winX = 0; - rep.winY = 0; - } - - WriteReplyToClient(client, sizeof(xQueryPointerReply), &rep); - - return(Success); -} - -/** - * Initializes the device list and the DIX sprite to sane values. Allocates - * trace memory used for quick window traversal. - */ -void -InitEvents(void) -{ - int i; - - inputInfo.numDevices = 0; - inputInfo.devices = (DeviceIntPtr)NULL; - inputInfo.off_devices = (DeviceIntPtr)NULL; - inputInfo.keyboard = (DeviceIntPtr)NULL; - inputInfo.pointer = (DeviceIntPtr)NULL; - /* The mask for pointer motion events may have changed in the last server - * generation. See comment above definition of filters. */ - filters[0][PointerMotionMask] = MotionNotify; - for (i = 1; i < MAXDEVICES; i++) - { - memcpy(&filters[i], filters[0], sizeof(filters[0])); - } - - syncEvents.replayDev = (DeviceIntPtr)NULL; - syncEvents.replayWin = NullWindow; - while (syncEvents.pending) - { - QdEventPtr next = syncEvents.pending->next; - xfree(syncEvents.pending); - syncEvents.pending = next; - } - syncEvents.pendtail = &syncEvents.pending; - syncEvents.playingEvents = FALSE; - syncEvents.time.months = 0; - syncEvents.time.milliseconds = 0; /* hardly matters */ - currentTime.months = 0; - currentTime.milliseconds = GetTimeInMillis(); - lastDeviceEventTime = currentTime; - for (i = 0; i < DNPMCOUNT; i++) - { - DontPropagateMasks[i] = 0; - DontPropagateRefCnts[i] = 0; - } - - InputEventListLen = GetMaximumEventsNum(); - InputEventList = InitEventList(InputEventListLen); - if (!InputEventList) - FatalError("[dix] Failed to allocate input event list.\n"); -} - -void -CloseDownEvents(void) -{ - FreeEventList(InputEventList, InputEventListLen); - InputEventListLen = 0; - InputEventList = NULL; -} - -/** - * Server-side protocol handling for SendEvent request. - * - * Locates the window to send the event to and forwards the event. - */ -int -ProcSendEvent(ClientPtr client) -{ - WindowPtr pWin; - WindowPtr effectiveFocus = NullWindow; /* only set if dest==InputFocus */ - DeviceIntPtr dev = PickPointer(client); - DeviceIntPtr keybd = GetPairedDevice(dev); - SpritePtr pSprite = dev->spriteInfo->sprite; - REQUEST(xSendEventReq); - - REQUEST_SIZE_MATCH(xSendEventReq); - - /* The client's event type must be a core event type or one defined by an - extension. */ - - if ( ! ((stuff->event.u.u.type > X_Reply && - stuff->event.u.u.type < LASTEvent) || - (stuff->event.u.u.type >= EXTENSION_EVENT_BASE && - stuff->event.u.u.type < (unsigned)lastEvent))) - { - client->errorValue = stuff->event.u.u.type; - return BadValue; - } - if (stuff->event.u.u.type == ClientMessage && - stuff->event.u.u.detail != 8 && - stuff->event.u.u.detail != 16 && - stuff->event.u.u.detail != 32) - { - client->errorValue = stuff->event.u.u.detail; - return BadValue; - } - if (stuff->eventMask & ~AllEventMasks) - { - client->errorValue = stuff->eventMask; - return BadValue; - } - - if (stuff->destination == PointerWindow) - pWin = pSprite->win; - else if (stuff->destination == InputFocus) - { - WindowPtr inputFocus = (keybd) ? keybd->focus->win : NoneWin; - - if (inputFocus == NoneWin) - return Success; - - /* If the input focus is PointerRootWin, send the event to where - the pointer is if possible, then perhaps propogate up to root. */ - if (inputFocus == PointerRootWin) - inputFocus = pSprite->spriteTrace[0]; /* Root window! */ - - if (IsParent(inputFocus, pSprite->win)) - { - effectiveFocus = inputFocus; - pWin = pSprite->win; - } - else - effectiveFocus = pWin = inputFocus; - } - else - dixLookupWindow(&pWin, stuff->destination, client, DixSendAccess); - - if (!pWin) - return BadWindow; - if ((stuff->propagate != xFalse) && (stuff->propagate != xTrue)) - { - client->errorValue = stuff->propagate; - return BadValue; - } - stuff->event.u.u.type |= 0x80; - if (stuff->propagate) - { - for (;pWin; pWin = pWin->parent) - { - if (XaceHook(XACE_SEND_ACCESS, client, NULL, pWin, - &stuff->event, 1)) - return Success; - if (DeliverEventsToWindow(dev, pWin, - &stuff->event, 1, stuff->eventMask, NullGrab)) - return Success; - if (pWin == effectiveFocus) - return Success; - stuff->eventMask &= ~wDontPropagateMask(pWin); - if (!stuff->eventMask) - break; - } - } - else if (!XaceHook(XACE_SEND_ACCESS, client, NULL, pWin, &stuff->event, 1)) - DeliverEventsToWindow(dev, pWin, &stuff->event, - 1, stuff->eventMask, NullGrab); - return Success; -} - -/** - * Server-side protocol handling for UngrabKey request. - * - * Deletes a passive grab for the given key. Works on the - * client's keyboard. - */ -int -ProcUngrabKey(ClientPtr client) -{ - REQUEST(xUngrabKeyReq); - WindowPtr pWin; - GrabRec tempGrab; - DeviceIntPtr keybd = PickKeyboard(client); - int rc; - - REQUEST_SIZE_MATCH(xUngrabKeyReq); - rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixGetAttrAccess); - if (rc != Success) - return rc; - - if (((stuff->key > keybd->key->xkbInfo->desc->max_key_code) || - (stuff->key < keybd->key->xkbInfo->desc->min_key_code)) - && (stuff->key != AnyKey)) - { - client->errorValue = stuff->key; - return BadValue; - } - if ((stuff->modifiers != AnyModifier) && - (stuff->modifiers & ~AllModifiersMask)) - { - client->errorValue = stuff->modifiers; - return BadValue; - } - tempGrab.resource = client->clientAsMask; - tempGrab.device = keybd; - tempGrab.window = pWin; - tempGrab.modifiersDetail.exact = stuff->modifiers; - tempGrab.modifiersDetail.pMask = NULL; - tempGrab.modifierDevice = GetPairedDevice(keybd); - tempGrab.type = KeyPress; - tempGrab.grabtype = GRABTYPE_CORE; - tempGrab.detail.exact = stuff->key; - tempGrab.detail.pMask = NULL; - tempGrab.next = NULL; - - if (!DeletePassiveGrabFromList(&tempGrab)) - return(BadAlloc); - return(Success); -} - -/** - * Server-side protocol handling for GrabKey request. - * - * Creates a grab for the client's keyboard and adds it to the list of passive - * grabs. - */ -int -ProcGrabKey(ClientPtr client) -{ - WindowPtr pWin; - REQUEST(xGrabKeyReq); - GrabPtr grab; - DeviceIntPtr keybd = PickKeyboard(client); - int rc; - GrabParameters param; - GrabMask mask; - - REQUEST_SIZE_MATCH(xGrabKeyReq); - - memset(¶m, 0, sizeof(param)); - param.grabtype = GRABTYPE_CORE; - param.ownerEvents = stuff->ownerEvents; - param.this_device_mode = stuff->keyboardMode; - param.other_devices_mode = stuff->pointerMode; - param.modifiers = stuff->modifiers; - - rc = CheckGrabValues(client, ¶m); - if (rc != Success) - return rc; - - if (((stuff->key > keybd->key->xkbInfo->desc->max_key_code) || - (stuff->key < keybd->key->xkbInfo->desc->min_key_code)) - && (stuff->key != AnyKey)) - { - client->errorValue = stuff->key; - return BadValue; - } - rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess); - if (rc != Success) - return rc; - - - mask.core = (KeyPressMask | KeyReleaseMask); - - grab = CreateGrab(client->index, keybd, keybd, pWin, GRABTYPE_CORE, &mask, - ¶m, KeyPress, stuff->key, NullWindow, NullCursor); - if (!grab) - return BadAlloc; - return AddPassiveGrabToList(client, grab); -} - - -/** - * Server-side protocol handling for GrabButton request. - * - * Creates a grab for the client's ClientPointer and adds it as a passive grab - * to the list. - */ -int -ProcGrabButton(ClientPtr client) -{ - WindowPtr pWin, confineTo; - REQUEST(xGrabButtonReq); - CursorPtr cursor; - GrabPtr grab; - DeviceIntPtr ptr, modifierDevice; - Mask access_mode = DixGrabAccess; - GrabMask mask; - GrabParameters param; - int rc; - - REQUEST_SIZE_MATCH(xGrabButtonReq); - if ((stuff->pointerMode != GrabModeSync) && - (stuff->pointerMode != GrabModeAsync)) - { - client->errorValue = stuff->pointerMode; - return BadValue; - } - if ((stuff->keyboardMode != GrabModeSync) && - (stuff->keyboardMode != GrabModeAsync)) - { - client->errorValue = stuff->keyboardMode; - return BadValue; - } - if ((stuff->modifiers != AnyModifier) && - (stuff->modifiers & ~AllModifiersMask)) - { - client->errorValue = stuff->modifiers; - return BadValue; - } - if ((stuff->ownerEvents != xFalse) && (stuff->ownerEvents != xTrue)) - { - client->errorValue = stuff->ownerEvents; - return BadValue; - } - if (stuff->eventMask & ~PointerGrabMask) - { - client->errorValue = stuff->eventMask; - return BadValue; - } - rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess); - if (rc != Success) - return rc; - if (stuff->confineTo == None) - confineTo = NullWindow; - else { - rc = dixLookupWindow(&confineTo, stuff->confineTo, client, - DixSetAttrAccess); - if (rc != Success) - return rc; - } - if (stuff->cursor == None) - cursor = NullCursor; - else - { - rc = dixLookupResourceByType((pointer *)&cursor, stuff->cursor, RT_CURSOR, - client, DixUseAccess); - if (rc != Success) - { - client->errorValue = stuff->cursor; - return (rc == BadValue) ? BadCursor : rc; - } - access_mode |= DixForceAccess; - } - - ptr = PickPointer(client); - modifierDevice = GetPairedDevice(ptr); - if (stuff->pointerMode == GrabModeSync || - stuff->keyboardMode == GrabModeSync) - access_mode |= DixFreezeAccess; - rc = XaceHook(XACE_DEVICE_ACCESS, client, ptr, access_mode); - if (rc != Success) - return rc; - - memset(¶m, 0, sizeof(param)); - param.grabtype = GRABTYPE_CORE; - param.ownerEvents = stuff->ownerEvents; - param.this_device_mode = stuff->keyboardMode; - param.other_devices_mode = stuff->pointerMode; - param.modifiers = stuff->modifiers; - - mask.core = stuff->eventMask; - - grab = CreateGrab(client->index, ptr, modifierDevice, pWin, - GRABTYPE_CORE, &mask, ¶m, ButtonPress, - stuff->button, confineTo, cursor); - if (!grab) - return BadAlloc; - return AddPassiveGrabToList(client, grab); -} - -/** - * Server-side protocol handling for UngrabButton request. - * - * Deletes a passive grab on the client's ClientPointer from the list. - */ -int -ProcUngrabButton(ClientPtr client) -{ - REQUEST(xUngrabButtonReq); - WindowPtr pWin; - GrabRec tempGrab; - int rc; - DeviceIntPtr ptr; - - REQUEST_SIZE_MATCH(xUngrabButtonReq); - if ((stuff->modifiers != AnyModifier) && - (stuff->modifiers & ~AllModifiersMask)) - { - client->errorValue = stuff->modifiers; - return BadValue; - } - rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixReadAccess); - if (rc != Success) - return rc; - - ptr = PickPointer(client); - - tempGrab.resource = client->clientAsMask; - tempGrab.device = ptr; - tempGrab.window = pWin; - tempGrab.modifiersDetail.exact = stuff->modifiers; - tempGrab.modifiersDetail.pMask = NULL; - tempGrab.modifierDevice = GetPairedDevice(ptr); - tempGrab.type = ButtonPress; - tempGrab.detail.exact = stuff->button; - tempGrab.grabtype = GRABTYPE_CORE; - tempGrab.detail.pMask = NULL; - tempGrab.next = NULL; - - if (!DeletePassiveGrabFromList(&tempGrab)) - return(BadAlloc); - return(Success); -} - -/** - * Deactivate any grab that may be on the window, remove the focus. - * Delete any XInput extension events from the window too. Does not change the - * window mask. Use just before the window is deleted. - * - * If freeResources is set, passive grabs on the window are deleted. - * - * @param pWin The window to delete events from. - * @param freeResources True if resources associated with the window should be - * deleted. - */ -void -DeleteWindowFromAnyEvents(WindowPtr pWin, Bool freeResources) -{ - WindowPtr parent; - DeviceIntPtr mouse = inputInfo.pointer; - DeviceIntPtr keybd = inputInfo.keyboard; - FocusClassPtr focus; - OtherClientsPtr oc; - GrabPtr passive; - GrabPtr grab; - - - /* Deactivate any grabs performed on this window, before making any - input focus changes. */ - grab = mouse->deviceGrab.grab; - if (grab && - ((grab->window == pWin) || (grab->confineTo == pWin))) - (*mouse->deviceGrab.DeactivateGrab)(mouse); - - - /* Deactivating a keyboard grab should cause focus events. */ - grab = keybd->deviceGrab.grab; - if (grab && (grab->window == pWin)) - (*keybd->deviceGrab.DeactivateGrab)(keybd); - - /* And now the real devices */ - for (mouse = inputInfo.devices; mouse; mouse = mouse->next) - { - grab = mouse->deviceGrab.grab; - if (grab && ((grab->window == pWin) || (grab->confineTo == pWin))) - (*mouse->deviceGrab.DeactivateGrab)(mouse); - } - - - for (keybd = inputInfo.devices; keybd; keybd = keybd->next) - { - if (IsKeyboardDevice(keybd)) - { - focus = keybd->focus; - - /* If the focus window is a root window (ie. has no parent) then don't - delete the focus from it. */ - - if ((pWin == focus->win) && (pWin->parent != NullWindow)) - { - int focusEventMode = NotifyNormal; - - /* If a grab is in progress, then alter the mode of focus events. */ - - if (keybd->deviceGrab.grab) - focusEventMode = NotifyWhileGrabbed; - - switch (focus->revert) - { - case RevertToNone: - DoFocusEvents(keybd, pWin, NoneWin, focusEventMode); - focus->win = NoneWin; - focus->traceGood = 0; - break; - case RevertToParent: - parent = pWin; - do - { - parent = parent->parent; - focus->traceGood--; - } while (!parent->realized - /* This would be a good protocol change -- windows being reparented - during SaveSet processing would cause the focus to revert to the - nearest enclosing window which will survive the death of the exiting - client, instead of ending up reverting to a dying window and thence - to None - */ -#ifdef NOTDEF - || wClient(parent)->clientGone -#endif - ); - if (!ActivateFocusInGrab(keybd, pWin, parent)) - DoFocusEvents(keybd, pWin, parent, focusEventMode); - focus->win = parent; - focus->revert = RevertToNone; - break; - case RevertToPointerRoot: - if (!ActivateFocusInGrab(keybd, pWin, PointerRootWin)) - DoFocusEvents(keybd, pWin, PointerRootWin, focusEventMode); - focus->win = PointerRootWin; - focus->traceGood = 0; - break; - } - } - } - - if (IsPointerDevice(keybd)) - { - if (keybd->valuator->motionHintWindow == pWin) - keybd->valuator->motionHintWindow = NullWindow; - } - } - - if (freeResources) - { - if (pWin->dontPropagate) - DontPropagateRefCnts[pWin->dontPropagate]--; - while ( (oc = wOtherClients(pWin)) ) - FreeResource(oc->resource, RT_NONE); - while ( (passive = wPassiveGrabs(pWin)) ) - FreeResource(passive->resource, RT_NONE); - } - - DeleteWindowFromAnyExtEvents(pWin, freeResources); -} - -/** - * Call this whenever some window at or below pWin has changed geometry. If - * there is a grab on the window, the cursor will be re-confined into the - * window. - */ -void -CheckCursorConfinement(WindowPtr pWin) -{ - GrabPtr grab; - WindowPtr confineTo; - DeviceIntPtr pDev; - -#ifdef PANORAMIX - if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum) return; -#endif - - for (pDev = inputInfo.devices; pDev; pDev = pDev->next) - { - if (DevHasCursor(pDev)) - { - grab = pDev->deviceGrab.grab; - if (grab && (confineTo = grab->confineTo)) - { - if (!BorderSizeNotEmpty(pDev, confineTo)) - (*pDev->deviceGrab.DeactivateGrab)(pDev); - else if ((pWin == confineTo) || IsParent(pWin, confineTo)) - ConfineCursorToWindow(pDev, confineTo, TRUE, TRUE); - } - } - } -} - -Mask -EventMaskForClient(WindowPtr pWin, ClientPtr client) -{ - OtherClientsPtr other; - - if (wClient (pWin) == client) - return pWin->eventMask; - for (other = wOtherClients(pWin); other; other = other->next) - { - if (SameClient(other, client)) - return other->mask; - } - return 0; -} - -/** - * Server-side protocol handling for RecolorCursor request. - */ -int -ProcRecolorCursor(ClientPtr client) -{ - CursorPtr pCursor; - int rc, nscr; - ScreenPtr pscr; - Bool displayed; - SpritePtr pSprite = PickPointer(client)->spriteInfo->sprite; - REQUEST(xRecolorCursorReq); - - REQUEST_SIZE_MATCH(xRecolorCursorReq); - rc = dixLookupResourceByType((pointer *)&pCursor, stuff->cursor, RT_CURSOR, - client, DixWriteAccess); - if (rc != Success) - { - client->errorValue = stuff->cursor; - return (rc == BadValue) ? BadCursor : rc; - } - - pCursor->foreRed = stuff->foreRed; - pCursor->foreGreen = stuff->foreGreen; - pCursor->foreBlue = stuff->foreBlue; - - pCursor->backRed = stuff->backRed; - pCursor->backGreen = stuff->backGreen; - pCursor->backBlue = stuff->backBlue; - - for (nscr = 0; nscr < screenInfo.numScreens; nscr++) - { - pscr = screenInfo.screens[nscr]; -#ifdef PANORAMIX - if(!noPanoramiXExtension) - displayed = (pscr == pSprite->screen); - else -#endif - displayed = (pscr == pSprite->hotPhys.pScreen); - ( *pscr->RecolorCursor)(PickPointer(client), pscr, pCursor, - (pCursor == pSprite->current) && displayed); - } - return (Success); -} - -/** - * Write the given events to a client, swapping the byte order if necessary. - * To swap the byte ordering, a callback is called that has to be set up for - * the given event type. - * - * In the case of DeviceMotionNotify trailed by DeviceValuators, the events - * can be more than one. Usually it's just one event. - * - * Do not modify the event structure passed in. See comment below. - * - * @param pClient Client to send events to. - * @param count Number of events. - * @param events The event list. - */ -void -WriteEventsToClient(ClientPtr pClient, int count, xEvent *events) -{ -#ifdef PANORAMIX - xEvent eventCopy; -#endif - xEvent *eventTo, *eventFrom; - int i, - eventlength = sizeof(xEvent); - - /* Let XKB rewrite the state, as it depends on client preferences. */ - XkbFilterEvents(pClient, count, events); - -#ifdef PANORAMIX - if(!noPanoramiXExtension && - (panoramiXdataPtr[0].x || panoramiXdataPtr[0].y)) - { - switch(events->u.u.type) { - case MotionNotify: - case ButtonPress: - case ButtonRelease: - case KeyPress: - case KeyRelease: - case EnterNotify: - case LeaveNotify: - /* - When multiple clients want the same event DeliverEventsToWindow - passes the same event structure multiple times so we can't - modify the one passed to us - */ - count = 1; /* should always be 1 */ - memcpy(&eventCopy, events, sizeof(xEvent)); - eventCopy.u.keyButtonPointer.rootX += panoramiXdataPtr[0].x; - eventCopy.u.keyButtonPointer.rootY += panoramiXdataPtr[0].y; - if(eventCopy.u.keyButtonPointer.event == - eventCopy.u.keyButtonPointer.root) - { - eventCopy.u.keyButtonPointer.eventX += panoramiXdataPtr[0].x; - eventCopy.u.keyButtonPointer.eventY += panoramiXdataPtr[0].y; - } - events = &eventCopy; - break; - default: break; - } - } -#endif - - if (EventCallback) - { - EventInfoRec eventinfo; - eventinfo.client = pClient; - eventinfo.events = events; - eventinfo.count = count; - CallCallbacks(&EventCallback, (pointer)&eventinfo); - } -#ifdef XSERVER_DTRACE - if (XSERVER_SEND_EVENT_ENABLED()) { - for (i = 0; i < count; i++) - { - XSERVER_SEND_EVENT(pClient->index, events[i].u.u.type, &events[i]); - } - } -#endif - /* Just a safety check to make sure we only have one GenericEvent, it just - * makes things easier for me right now. (whot) */ - for (i = 1; i < count; i++) - { - if (events[i].u.u.type == GenericEvent) - { - ErrorF("[dix] TryClientEvents: Only one GenericEvent at a time.\n"); - return; - } - } - - if (events->u.u.type == GenericEvent) - { - eventlength += ((xGenericEvent*)events)->length * 4; - } - - if(pClient->swapped) - { - if (eventlength > swapEventLen) - { - swapEventLen = eventlength; - swapEvent = Xrealloc(swapEvent, swapEventLen); - if (!swapEvent) - { - FatalError("WriteEventsToClient: Out of memory.\n"); - return; - } - } - - for(i = 0; i < count; i++) - { - eventFrom = &events[i]; - eventTo = swapEvent; - - /* Remember to strip off the leading bit of type in case - this event was sent with "SendEvent." */ - (*EventSwapVector[eventFrom->u.u.type & 0177]) - (eventFrom, eventTo); - - WriteToClient(pClient, eventlength, (char *)eventTo); - } - } - else - { - /* only one GenericEvent, remember? that means either count is 1 and - * eventlength is arbitrary or eventlength is 32 and count doesn't - * matter. And we're all set. Woohoo. */ - WriteToClient(pClient, count * eventlength, (char *) events); - } -} - -/* - * Set the client pointer for the given client. - * - * A client can have exactly one ClientPointer. Each time a - * request/reply/event is processed and the choice of devices is ambiguous - * (e.g. QueryPointer request), the server will pick the ClientPointer (see - * PickPointer()). - * If a keyboard is needed, the first keyboard paired with the CP is used. - */ -int -SetClientPointer(ClientPtr client, DeviceIntPtr device) -{ - int rc = XaceHook(XACE_DEVICE_ACCESS, client, device, DixUseAccess); - if (rc != Success) - return rc; - - if (!IsMaster(device)) - { - ErrorF("[dix] Need master device for ClientPointer. This is a bug.\n"); - return BadDevice; - } else if (!device->spriteInfo->spriteOwner) - { - ErrorF("[dix] Device %d does not have a sprite. " - "Cannot be ClientPointer\n", device->id); - return BadDevice; - } - client->clientPtr = device; - return Success; -} - -/* PickPointer will pick an appropriate pointer for the given client. - * - * An "appropriate device" is (in order of priority): - * 1) A device the given client has a core grab on. - * 2) A device set as ClientPointer for the given client. - * 3) The first master device. - */ -DeviceIntPtr -PickPointer(ClientPtr client) -{ - DeviceIntPtr it = inputInfo.devices; - - /* First, check if the client currently has a grab on a device. Even - * keyboards count. */ - for(it = inputInfo.devices; it; it = it->next) - { - GrabPtr grab = it->deviceGrab.grab; - if (grab && grab->grabtype == GRABTYPE_CORE && SameClient(grab, client)) - { - it = GetMaster(it, MASTER_POINTER); - return it; /* Always return a core grabbed device */ - } - } - - if (!client->clientPtr) - { - DeviceIntPtr it = inputInfo.devices; - while (it) - { - if (IsMaster(it) && it->spriteInfo->spriteOwner) - { - client->clientPtr = it; - break; - } - it = it->next; - } - } - return client->clientPtr; -} - -/* PickKeyboard will pick an appropriate keyboard for the given client by - * searching the list of devices for the keyboard device that is paired with - * the client's pointer. - */ -DeviceIntPtr -PickKeyboard(ClientPtr client) -{ - DeviceIntPtr ptr = PickPointer(client); - DeviceIntPtr kbd = GetMaster(ptr, MASTER_KEYBOARD); - - if (!kbd) - { - ErrorF("[dix] ClientPointer not paired with a keyboard. This " - "is a bug.\n"); - } - - return kbd; -} - -/* A client that has one or more core grabs does not get core events from - * devices it does not have a grab on. Legacy applications behave bad - * otherwise because they are not used to it and the events interfere. - * Only applies for core events. - * - * Return true if a core event from the device would interfere and should not - * be delivered. - */ -Bool -IsInterferingGrab(ClientPtr client, DeviceIntPtr dev, xEvent* event) -{ - DeviceIntPtr it = inputInfo.devices; - - switch(event->u.u.type) - { - case KeyPress: - case KeyRelease: - case ButtonPress: - case ButtonRelease: - case MotionNotify: - case EnterNotify: - case LeaveNotify: - break; - default: - return FALSE; - } - - if (dev->deviceGrab.grab && SameClient(dev->deviceGrab.grab, client)) - return FALSE; - - while(it) - { - if (it != dev) - { - if (it->deviceGrab.grab && SameClient(it->deviceGrab.grab, client) - && !it->deviceGrab.fromPassiveGrab) - { - if ((IsPointerDevice(it) && IsPointerDevice(dev)) || - (IsKeyboardDevice(it) && IsKeyboardDevice(dev))) - return TRUE; - } - } - it = it->next; - } - - return FALSE; -} - +/************************************************************
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+********************************************************/
+
+/* The panoramix components contained the following notice */
+/*****************************************************************
+
+Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
+BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of Digital Equipment Corporation
+shall not be used in advertising or otherwise to promote the sale, use or other
+dealings in this Software without prior written authorization from Digital
+Equipment Corporation.
+
+******************************************************************/
+
+/*
+ * Copyright © 2003-2005 Sun Microsystems, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/** @file events.c
+ * This file handles event delivery and a big part of the server-side protocol
+ * handling (the parts for input devices).
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include "misc.h"
+#include "resource.h"
+#include <X11/Xproto.h>
+#include "windowstr.h"
+#include "inputstr.h"
+#include "scrnintstr.h"
+#include "cursorstr.h"
+
+#include "dixstruct.h"
+#ifdef PANORAMIX
+#include "panoramiX.h"
+#include "panoramiXsrv.h"
+#endif
+#include "globals.h"
+
+#include <X11/extensions/XKBproto.h>
+#include "xkbsrv.h"
+#include "xace.h"
+
+#ifdef XSERVER_DTRACE
+#include <sys/types.h>
+typedef const char *string;
+#include "Xserver-dtrace.h"
+#endif
+
+#include <X11/extensions/XIproto.h>
+#include <X11/extensions/XI2proto.h>
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XI2.h>
+#include "exglobals.h"
+#include "exevents.h"
+#include "exglobals.h"
+#include "extnsionst.h"
+
+#include "dixevents.h"
+#include "dixgrabs.h"
+#include "dispatch.h"
+
+#include <X11/extensions/ge.h>
+#include "geext.h"
+#include "geint.h"
+
+#include "eventstr.h"
+#include "enterleave.h"
+#include "eventconvert.h"
+
+/* Extension events type numbering starts at EXTENSION_EVENT_BASE. */
+#define NoSuchEvent 0x80000000 /* so doesn't match NoEventMask */
+#define StructureAndSubMask ( StructureNotifyMask | SubstructureNotifyMask )
+#define AllButtonsMask ( \
+ Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask )
+#define MotionMask ( \
+ PointerMotionMask | Button1MotionMask | \
+ Button2MotionMask | Button3MotionMask | Button4MotionMask | \
+ Button5MotionMask | ButtonMotionMask )
+#define PropagateMask ( \
+ KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | \
+ MotionMask )
+#define PointerGrabMask ( \
+ ButtonPressMask | ButtonReleaseMask | \
+ EnterWindowMask | LeaveWindowMask | \
+ PointerMotionHintMask | KeymapStateMask | \
+ MotionMask )
+#define AllModifiersMask ( \
+ ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | \
+ Mod3Mask | Mod4Mask | Mod5Mask )
+#define LastEventMask OwnerGrabButtonMask
+#define AllEventMasks (LastEventMask|(LastEventMask-1))
+
+
+#define CORE_EVENT(event) \
+ (!((event)->u.u.type & EXTENSION_EVENT_BASE) && \
+ (event)->u.u.type != GenericEvent)
+#define XI2_EVENT(event) \
+ (((event)->u.u.type == GenericEvent) && \
+ ((xGenericEvent*)(event))->extension == IReqCode)
+
+/**
+ * Used to indicate a implicit passive grab created by a ButtonPress event.
+ * See DeliverEventsToWindow().
+ */
+#define ImplicitGrabMask (1 << 7)
+
+#define WID(w) ((w) ? ((w)->drawable.id) : 0)
+
+#define XE_KBPTR (xE->u.keyButtonPointer)
+
+
+#define rClient(obj) (clients[CLIENT_ID((obj)->resource)])
+
+CallbackListPtr EventCallback;
+CallbackListPtr DeviceEventCallback;
+
+#define DNPMCOUNT 8
+
+Mask DontPropagateMasks[DNPMCOUNT];
+static int DontPropagateRefCnts[DNPMCOUNT];
+
+static void CheckVirtualMotion( DeviceIntPtr pDev, QdEventPtr qe, WindowPtr pWin);
+static void CheckPhysLimits(DeviceIntPtr pDev,
+ CursorPtr cursor,
+ Bool generateEvents,
+ Bool confineToScreen,
+ ScreenPtr pScreen);
+static Bool CheckPassiveGrabsOnWindow(WindowPtr pWin,
+ DeviceIntPtr device,
+ DeviceEvent *event,
+ BOOL checkCore);
+
+/** Key repeat hack. Do not use but in TryClientEvents */
+extern BOOL EventIsKeyRepeat(xEvent *event);
+
+/**
+ * Main input device struct.
+ * inputInfo.pointer
+ * is the core pointer. Referred to as "virtual core pointer", "VCP",
+ * "core pointer" or inputInfo.pointer. The VCP is the first master
+ * pointer device and cannot be deleted.
+ *
+ * inputInfo.keyboard
+ * is the core keyboard ("virtual core keyboard", "VCK", "core keyboard").
+ * See inputInfo.pointer.
+ *
+ * inputInfo.devices
+ * linked list containing all devices including VCP and VCK.
+ *
+ * inputInfo.off_devices
+ * Devices that have not been initialized and are thus turned off.
+ *
+ * inputInfo.numDevices
+ * Total number of devices.
+ *
+ * inputInfo.all_devices
+ * Virtual device used for XIAllDevices passive grabs. This device is
+ * not part of the inputInfo.devices list and mostly unset except for
+ * the deviceid. It exists because passivegrabs need a valid device
+ * reference.
+ *
+ * inputInfo.all_master_devices
+ * Virtual device used for XIAllMasterDevices passive grabs. This device
+ * is not part of the inputInfo.devices list and mostly unset except for
+ * the deviceid. It exists because passivegrabs need a valid device
+ * reference.
+ */
+InputInfo inputInfo;
+
+EventSyncInfoRec syncEvents;
+
+/**
+ * The root window the given device is currently on.
+ */
+#define RootWindow(dev) dev->spriteInfo->sprite->spriteTrace[0]
+
+static xEvent* swapEvent = NULL;
+static int swapEventLen = 0;
+
+void
+NotImplemented(xEvent *from, xEvent *to)
+{
+ FatalError("Not implemented");
+}
+
+/**
+ * Convert the given event type from an XI event to a core event.
+ * @param[in] The XI 1.x event type.
+ * @return The matching core event type or 0 if there is none.
+ */
+int
+XItoCoreType(int xitype)
+{
+ int coretype = 0;
+ if (xitype == DeviceMotionNotify)
+ coretype = MotionNotify;
+ else if (xitype == DeviceButtonPress)
+ coretype = ButtonPress;
+ else if (xitype == DeviceButtonRelease)
+ coretype = ButtonRelease;
+ else if (xitype == DeviceKeyPress)
+ coretype = KeyPress;
+ else if (xitype == DeviceKeyRelease)
+ coretype = KeyRelease;
+
+ return coretype;
+}
+
+/**
+ * @return true if the device owns a cursor, false if device shares a cursor
+ * sprite with another device.
+ */
+Bool
+DevHasCursor(DeviceIntPtr pDev)
+{
+ return pDev->spriteInfo->spriteOwner;
+}
+
+/*
+ * @return true if a device is a pointer, check is the same as used by XI to
+ * fill the 'use' field.
+ */
+Bool
+IsPointerDevice(DeviceIntPtr dev)
+{
+ return (dev->type == MASTER_POINTER) ||
+ (dev->valuator && dev->button) ||
+ (dev->valuator && !dev->key);
+}
+
+/*
+ * @return true if a device is a keyboard, check is the same as used by XI to
+ * fill the 'use' field.
+ *
+ * Some pointer devices have keys as well (e.g. multimedia keys). Try to not
+ * count them as keyboard devices.
+ */
+Bool
+IsKeyboardDevice(DeviceIntPtr dev)
+{
+ return (dev->type == MASTER_KEYBOARD) ||
+ ((dev->key && dev->kbdfeed) && !IsPointerDevice(dev));
+}
+
+Bool
+IsMaster(DeviceIntPtr dev)
+{
+ return (dev->type == MASTER_POINTER || dev->type == MASTER_KEYBOARD);
+}
+
+static WindowPtr XYToWindow(
+ DeviceIntPtr pDev,
+ int x,
+ int y
+);
+
+/**
+ * Max event opcode.
+ */
+extern int lastEvent;
+
+extern int DeviceMotionNotify;
+
+#define CantBeFiltered NoEventMask
+/**
+ * Event masks for each event type.
+ *
+ * One set of filters for each device, but only the first layer
+ * is initialized. The rest is memcpy'd in InitEvents.
+ *
+ * Filters are used whether a given event may be delivered to a client,
+ * usually in the form of if (window-event-mask & filter); then deliver event.
+ *
+ * One notable filter is for PointerMotion/DevicePointerMotion events. Each
+ * time a button is pressed, the filter is modified to also contain the
+ * matching ButtonXMotion mask.
+ */
+static Mask filters[MAXDEVICES][128] = {
+{
+ NoSuchEvent, /* 0 */
+ NoSuchEvent, /* 1 */
+ KeyPressMask, /* KeyPress */
+ KeyReleaseMask, /* KeyRelease */
+ ButtonPressMask, /* ButtonPress */
+ ButtonReleaseMask, /* ButtonRelease */
+ PointerMotionMask, /* MotionNotify (initial state) */
+ EnterWindowMask, /* EnterNotify */
+ LeaveWindowMask, /* LeaveNotify */
+ FocusChangeMask, /* FocusIn */
+ FocusChangeMask, /* FocusOut */
+ KeymapStateMask, /* KeymapNotify */
+ ExposureMask, /* Expose */
+ CantBeFiltered, /* GraphicsExpose */
+ CantBeFiltered, /* NoExpose */
+ VisibilityChangeMask, /* VisibilityNotify */
+ SubstructureNotifyMask, /* CreateNotify */
+ StructureAndSubMask, /* DestroyNotify */
+ StructureAndSubMask, /* UnmapNotify */
+ StructureAndSubMask, /* MapNotify */
+ SubstructureRedirectMask, /* MapRequest */
+ StructureAndSubMask, /* ReparentNotify */
+ StructureAndSubMask, /* ConfigureNotify */
+ SubstructureRedirectMask, /* ConfigureRequest */
+ StructureAndSubMask, /* GravityNotify */
+ ResizeRedirectMask, /* ResizeRequest */
+ StructureAndSubMask, /* CirculateNotify */
+ SubstructureRedirectMask, /* CirculateRequest */
+ PropertyChangeMask, /* PropertyNotify */
+ CantBeFiltered, /* SelectionClear */
+ CantBeFiltered, /* SelectionRequest */
+ CantBeFiltered, /* SelectionNotify */
+ ColormapChangeMask, /* ColormapNotify */
+ CantBeFiltered, /* ClientMessage */
+ CantBeFiltered /* MappingNotify */
+}};
+
+/**
+ * For the given event, return the matching event filter. This filter may then
+ * be AND'ed with the selected event mask.
+ *
+ * For XI2 events, the returned filter is simply the byte containing the event
+ * mask we're interested in. E.g. for a mask of (1 << 13), this would be
+ * byte[1].
+ *
+ * @param[in] dev The device the event belongs to, may be NULL.
+ * @param[in] event The event to get the filter for. Only the type of the
+ * event matters, or the extension + evtype for GenericEvents.
+ * @return The filter mask for the given event.
+ *
+ * @see GetEventMask
+ */
+Mask
+GetEventFilter(DeviceIntPtr dev, xEvent *event)
+{
+ if (event->u.u.type != GenericEvent)
+ return filters[dev ? dev->id : 0][event->u.u.type];
+ else if (XI2_EVENT(event))
+ return (1 << (((xXIDeviceEvent*)event)->evtype % 8));
+ ErrorF("[dix] Unknown device type %d. No filter\n", event->u.u.type);
+ return 0;
+}
+
+/**
+ * Return the windows complete XI2 mask for the given XI2 event type.
+ */
+Mask
+GetWindowXI2Mask(DeviceIntPtr dev, WindowPtr win, xEvent* ev)
+{
+ OtherInputMasks *inputMasks = wOtherInputMasks(win);
+ int filter;
+ int evtype;
+
+ if (!inputMasks || !XI2_EVENT(ev))
+ return 0;
+
+ evtype = ((xGenericEvent*)ev)->evtype;
+ filter = GetEventFilter(dev, ev);
+
+ return ((inputMasks->xi2mask[dev->id][evtype/8] & filter) ||
+ inputMasks->xi2mask[XIAllDevices][evtype/8] ||
+ (inputMasks->xi2mask[XIAllMasterDevices][evtype/8] && IsMaster(dev)));
+}
+
+static Mask
+GetEventMask(DeviceIntPtr dev, xEvent *event, InputClients* other)
+{
+ /* XI2 filters are only ever 8 bit, so let's return a 8 bit mask */
+ if (XI2_EVENT(event))
+ {
+ int byte = ((xGenericEvent*)event)->evtype / 8;
+ return (other->xi2mask[dev->id][byte] |
+ other->xi2mask[XIAllDevices][byte] |
+ (IsMaster(dev)? other->xi2mask[XIAllMasterDevices][byte] : 0));
+ } else if (CORE_EVENT(event))
+ return other->mask[XIAllDevices];
+ else
+ return other->mask[dev->id];
+}
+
+
+static CARD8 criticalEvents[32] =
+{
+ 0x7c, 0x30, 0x40 /* key, button, expose, and configure events */
+};
+
+static void
+SyntheticMotion(DeviceIntPtr dev, int x, int y) {
+ int screenno = 0;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension)
+ screenno = dev->spriteInfo->sprite->screen->myNum;
+#endif
+ PostSyntheticMotion(dev, x, y, screenno,
+ (syncEvents.playingEvents) ? syncEvents.time.milliseconds : currentTime.milliseconds);
+
+}
+
+#ifdef PANORAMIX
+static void PostNewCursor(DeviceIntPtr pDev);
+
+static Bool
+XineramaSetCursorPosition(
+ DeviceIntPtr pDev,
+ int x,
+ int y,
+ Bool generateEvent
+){
+ ScreenPtr pScreen;
+ BoxRec box;
+ int i;
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+
+ /* x,y are in Screen 0 coordinates. We need to decide what Screen
+ to send the message too and what the coordinates relative to
+ that screen are. */
+
+ pScreen = pSprite->screen;
+ x += panoramiXdataPtr[0].x;
+ y += panoramiXdataPtr[0].y;
+
+ if(!POINT_IN_REGION(pScreen, &XineramaScreenRegions[pScreen->myNum],
+ x, y, &box))
+ {
+ FOR_NSCREENS(i)
+ {
+ if(i == pScreen->myNum)
+ continue;
+ if(POINT_IN_REGION(pScreen, &XineramaScreenRegions[i], x, y, &box))
+ {
+ pScreen = screenInfo.screens[i];
+ break;
+ }
+ }
+ }
+
+ pSprite->screen = pScreen;
+ pSprite->hotPhys.x = x - panoramiXdataPtr[0].x;
+ pSprite->hotPhys.y = y - panoramiXdataPtr[0].y;
+ x -= panoramiXdataPtr[pScreen->myNum].x;
+ y -= panoramiXdataPtr[pScreen->myNum].y;
+
+ return (*pScreen->SetCursorPosition)(pDev, pScreen, x, y, generateEvent);
+}
+
+
+static void
+XineramaConstrainCursor(DeviceIntPtr pDev)
+{
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+ ScreenPtr pScreen;
+ BoxRec newBox;
+
+ pScreen = pSprite->screen;
+ newBox = pSprite->physLimits;
+
+ /* Translate the constraining box to the screen
+ the sprite is actually on */
+ newBox.x1 += panoramiXdataPtr[0].x - panoramiXdataPtr[pScreen->myNum].x;
+ newBox.x2 += panoramiXdataPtr[0].x - panoramiXdataPtr[pScreen->myNum].x;
+ newBox.y1 += panoramiXdataPtr[0].y - panoramiXdataPtr[pScreen->myNum].y;
+ newBox.y2 += panoramiXdataPtr[0].y - panoramiXdataPtr[pScreen->myNum].y;
+
+ (* pScreen->ConstrainCursor)(pDev, pScreen, &newBox);
+}
+
+
+static Bool
+XineramaSetWindowPntrs(DeviceIntPtr pDev, WindowPtr pWin)
+{
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+
+ if(pWin == WindowTable[0]) {
+ memcpy(pSprite->windows, WindowTable,
+ PanoramiXNumScreens*sizeof(WindowPtr));
+ } else {
+ PanoramiXRes *win;
+ int rc, i;
+
+ rc = dixLookupResourceByType((pointer *)&win, pWin->drawable.id,
+ XRT_WINDOW, serverClient, DixReadAccess);
+ if (rc != Success)
+ return FALSE;
+
+ for(i = 0; i < PanoramiXNumScreens; i++) {
+ rc = dixLookupWindow(pSprite->windows + i, win->info[i].id,
+ serverClient, DixReadAccess);
+ if (rc != Success) /* window is being unmapped */
+ return FALSE;
+ }
+ }
+ return TRUE;
+}
+
+static void
+XineramaConfineCursorToWindow(DeviceIntPtr pDev,
+ WindowPtr pWin,
+ Bool generateEvents)
+{
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+
+ int x, y, off_x, off_y, i;
+
+ if(!XineramaSetWindowPntrs(pDev, pWin))
+ return;
+
+ i = PanoramiXNumScreens - 1;
+
+ REGION_COPY(pSprite->screen, &pSprite->Reg1,
+ &pSprite->windows[i]->borderSize);
+ off_x = panoramiXdataPtr[i].x;
+ off_y = panoramiXdataPtr[i].y;
+
+ while(i--) {
+ x = off_x - panoramiXdataPtr[i].x;
+ y = off_y - panoramiXdataPtr[i].y;
+
+ if(x || y)
+ REGION_TRANSLATE(pSprite->screen, &pSprite->Reg1, x, y);
+
+ REGION_UNION(pSprite->screen, &pSprite->Reg1, &pSprite->Reg1,
+ &pSprite->windows[i]->borderSize);
+
+ off_x = panoramiXdataPtr[i].x;
+ off_y = panoramiXdataPtr[i].y;
+ }
+
+ pSprite->hotLimits = *REGION_EXTENTS(pSprite->screen, &pSprite->Reg1);
+
+ if(REGION_NUM_RECTS(&pSprite->Reg1) > 1)
+ pSprite->hotShape = &pSprite->Reg1;
+ else
+ pSprite->hotShape = NullRegion;
+
+ pSprite->confined = FALSE;
+ pSprite->confineWin = (pWin == WindowTable[0]) ? NullWindow : pWin;
+
+ CheckPhysLimits(pDev, pSprite->current, generateEvents, FALSE, NULL);
+}
+
+#endif /* PANORAMIX */
+
+/**
+ * Modifies the filter for the given protocol event type to the given masks.
+ *
+ * There's only two callers: UpdateDeviceState() and XI's SetMaskForExtEvent().
+ * The latter initialises masks for the matching XI events, it's a once-off
+ * setting.
+ * UDS however changes the mask for MotionNotify and DeviceMotionNotify each
+ * time a button is pressed to include the matching ButtonXMotion mask in the
+ * filter.
+ *
+ * @param[in] deviceid The device to modify the filter for.
+ * @param[in] mask The new filter mask.
+ * @param[in] event Protocol event type.
+ */
+void
+SetMaskForEvent(int deviceid, Mask mask, int event)
+{
+ if (deviceid < 0 || deviceid >= MAXDEVICES)
+ FatalError("SetMaskForEvent: bogus device id");
+ filters[deviceid][event] = mask;
+}
+
+void
+SetCriticalEvent(int event)
+{
+ if (event >= 128)
+ FatalError("SetCriticalEvent: bogus event number");
+ criticalEvents[event >> 3] |= 1 << (event & 7);
+}
+
+void
+ConfineToShape(DeviceIntPtr pDev, RegionPtr shape, int *px, int *py)
+{
+ BoxRec box;
+ int x = *px, y = *py;
+ int incx = 1, incy = 1;
+ SpritePtr pSprite;
+
+ pSprite = pDev->spriteInfo->sprite;
+ if (POINT_IN_REGION(pSprite->hot.pScreen, shape, x, y, &box))
+ return;
+ box = *REGION_EXTENTS(pSprite->hot.pScreen, shape);
+ /* this is rather crude */
+ do {
+ x += incx;
+ if (x >= box.x2)
+ {
+ incx = -1;
+ x = *px - 1;
+ }
+ else if (x < box.x1)
+ {
+ incx = 1;
+ x = *px;
+ y += incy;
+ if (y >= box.y2)
+ {
+ incy = -1;
+ y = *py - 1;
+ }
+ else if (y < box.y1)
+ return; /* should never get here! */
+ }
+ } while (!POINT_IN_REGION(pSprite->hot.pScreen, shape, x, y, &box));
+ *px = x;
+ *py = y;
+}
+
+static void
+CheckPhysLimits(
+ DeviceIntPtr pDev,
+ CursorPtr cursor,
+ Bool generateEvents,
+ Bool confineToScreen, /* unused if PanoramiX on */
+ ScreenPtr pScreen) /* unused if PanoramiX on */
+{
+ HotSpot new;
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+
+ if (!cursor)
+ return;
+ new = pSprite->hotPhys;
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension)
+ /* I don't care what the DDX has to say about it */
+ pSprite->physLimits = pSprite->hotLimits;
+ else
+#endif
+ {
+ if (pScreen)
+ new.pScreen = pScreen;
+ else
+ pScreen = new.pScreen;
+ (*pScreen->CursorLimits) (pDev, pScreen, cursor, &pSprite->hotLimits,
+ &pSprite->physLimits);
+ pSprite->confined = confineToScreen;
+ (* pScreen->ConstrainCursor)(pDev, pScreen, &pSprite->physLimits);
+ }
+
+ /* constrain the pointer to those limits */
+ if (new.x < pSprite->physLimits.x1)
+ new.x = pSprite->physLimits.x1;
+ else
+ if (new.x >= pSprite->physLimits.x2)
+ new.x = pSprite->physLimits.x2 - 1;
+ if (new.y < pSprite->physLimits.y1)
+ new.y = pSprite->physLimits.y1;
+ else
+ if (new.y >= pSprite->physLimits.y2)
+ new.y = pSprite->physLimits.y2 - 1;
+ if (pSprite->hotShape)
+ ConfineToShape(pDev, pSprite->hotShape, &new.x, &new.y);
+ if ((
+#ifdef PANORAMIX
+ noPanoramiXExtension &&
+#endif
+ (pScreen != pSprite->hotPhys.pScreen)) ||
+ (new.x != pSprite->hotPhys.x) || (new.y != pSprite->hotPhys.y))
+ {
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension)
+ {
+ if (pScreen && ((new.x != pSprite->hotPhys.x) || (new.y != pSprite->hotPhys.y)))
+ XineramaSetCursorPosition (pDev, new.x, new.y, generateEvents);
+ }
+ else
+#endif
+ {
+ if (pScreen != pSprite->hotPhys.pScreen)
+ pSprite->hotPhys = new;
+ (*pScreen->SetCursorPosition)
+ (pDev, pScreen, new.x, new.y, generateEvents);
+ }
+ if (!generateEvents)
+ SyntheticMotion(pDev, new.x, new.y);
+ }
+
+#ifdef PANORAMIX
+ /* Tell DDX what the limits are */
+ if (!noPanoramiXExtension)
+ XineramaConstrainCursor(pDev);
+#endif
+}
+
+static void
+CheckVirtualMotion(
+ DeviceIntPtr pDev,
+ QdEventPtr qe,
+ WindowPtr pWin)
+{
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+ RegionPtr reg = NULL;
+ DeviceEvent *ev = NULL;
+
+ if (qe)
+ {
+ ev = &qe->event->device_event;
+ switch(ev->type)
+ {
+ case ET_Motion:
+ case ET_ButtonPress:
+ case ET_ButtonRelease:
+ case ET_KeyPress:
+ case ET_KeyRelease:
+ case ET_ProximityIn:
+ case ET_ProximityOut:
+ pSprite->hot.pScreen = qe->pScreen;
+ pSprite->hot.x = ev->root_x;
+ pSprite->hot.y = ev->root_y;
+ pWin = pDev->deviceGrab.grab ? pDev->deviceGrab.grab->confineTo : NullWindow;
+ break;
+ default:
+ break;
+ }
+ }
+ if (pWin)
+ {
+ BoxRec lims;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension) {
+ int x, y, off_x, off_y, i;
+
+ if(!XineramaSetWindowPntrs(pDev, pWin))
+ return;
+
+ i = PanoramiXNumScreens - 1;
+
+ REGION_COPY(pSprite->screen, &pSprite->Reg2,
+ &pSprite->windows[i]->borderSize);
+ off_x = panoramiXdataPtr[i].x;
+ off_y = panoramiXdataPtr[i].y;
+
+ while(i--) {
+ x = off_x - panoramiXdataPtr[i].x;
+ y = off_y - panoramiXdataPtr[i].y;
+
+ if(x || y)
+ REGION_TRANSLATE(pSprite->screen, &pSprite->Reg2, x, y);
+
+ REGION_UNION(pSprite->screen, &pSprite->Reg2, &pSprite->Reg2,
+ &pSprite->windows[i]->borderSize);
+
+ off_x = panoramiXdataPtr[i].x;
+ off_y = panoramiXdataPtr[i].y;
+ }
+ } else
+#endif
+ {
+ if (pSprite->hot.pScreen != pWin->drawable.pScreen)
+ {
+ pSprite->hot.pScreen = pWin->drawable.pScreen;
+ pSprite->hot.x = pSprite->hot.y = 0;
+ }
+ }
+
+ lims = *REGION_EXTENTS(pWin->drawable.pScreen, &pWin->borderSize);
+ if (pSprite->hot.x < lims.x1)
+ pSprite->hot.x = lims.x1;
+ else if (pSprite->hot.x >= lims.x2)
+ pSprite->hot.x = lims.x2 - 1;
+ if (pSprite->hot.y < lims.y1)
+ pSprite->hot.y = lims.y1;
+ else if (pSprite->hot.y >= lims.y2)
+ pSprite->hot.y = lims.y2 - 1;
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension)
+ {
+ if (REGION_NUM_RECTS(&pSprite->Reg2) > 1)
+ reg = &pSprite->Reg2;
+
+ } else
+#endif
+ {
+ if (wBoundingShape(pWin))
+ reg = &pWin->borderSize;
+ }
+
+ if (reg)
+ ConfineToShape(pDev, reg, &pSprite->hot.x, &pSprite->hot.y);
+
+ if (qe && ev)
+ {
+ qe->pScreen = pSprite->hot.pScreen;
+ ev->root_x = pSprite->hot.x;
+ ev->root_y = pSprite->hot.y;
+ }
+ }
+#ifdef PANORAMIX
+ if (noPanoramiXExtension) /* No typo. Only set the root win if disabled */
+#endif
+ RootWindow(pDev) = WindowTable[pSprite->hot.pScreen->myNum];
+}
+
+static void
+ConfineCursorToWindow(DeviceIntPtr pDev, WindowPtr pWin, Bool generateEvents, Bool confineToScreen)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+
+ if (syncEvents.playingEvents)
+ {
+ CheckVirtualMotion(pDev, (QdEventPtr)NULL, pWin);
+ SyntheticMotion(pDev, pSprite->hot.x, pSprite->hot.y);
+ }
+ else
+ {
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension) {
+ XineramaConfineCursorToWindow(pDev, pWin, generateEvents);
+ return;
+ }
+#endif
+ pSprite->hotLimits = *REGION_EXTENTS( pScreen, &pWin->borderSize);
+ pSprite->hotShape = wBoundingShape(pWin) ? &pWin->borderSize
+ : NullRegion;
+ CheckPhysLimits(pDev, pSprite->current, generateEvents,
+ confineToScreen, pScreen);
+ }
+}
+
+Bool
+PointerConfinedToScreen(DeviceIntPtr pDev)
+{
+ return pDev->spriteInfo->sprite->confined;
+}
+
+/**
+ * Update the sprite cursor to the given cursor.
+ *
+ * ChangeToCursor() will display the new cursor and free the old cursor (if
+ * applicable). If the provided cursor is already the updated cursor, nothing
+ * happens.
+ */
+static void
+ChangeToCursor(DeviceIntPtr pDev, CursorPtr cursor)
+{
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+ ScreenPtr pScreen;
+
+ if (cursor != pSprite->current)
+ {
+ if ((pSprite->current->bits->xhot != cursor->bits->xhot) ||
+ (pSprite->current->bits->yhot != cursor->bits->yhot))
+ CheckPhysLimits(pDev, cursor, FALSE, pSprite->confined,
+ (ScreenPtr)NULL);
+#ifdef PANORAMIX
+ /* XXX: is this really necessary?? (whot) */
+ if (!noPanoramiXExtension)
+ pScreen = pSprite->screen;
+ else
+#endif
+ pScreen = pSprite->hotPhys.pScreen;
+
+ (*pScreen->DisplayCursor)(pDev, pScreen, cursor);
+ FreeCursor(pSprite->current, (Cursor)0);
+ pSprite->current = cursor;
+ pSprite->current->refcnt++;
+ }
+}
+
+/**
+ * @returns true if b is a descendent of a
+ */
+Bool
+IsParent(WindowPtr a, WindowPtr b)
+{
+ for (b = b->parent; b; b = b->parent)
+ if (b == a) return TRUE;
+ return FALSE;
+}
+
+/**
+ * Update the cursor displayed on the screen.
+ *
+ * Called whenever a cursor may have changed shape or position.
+ */
+static void
+PostNewCursor(DeviceIntPtr pDev)
+{
+ WindowPtr win;
+ GrabPtr grab = pDev->deviceGrab.grab;
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+ CursorPtr pCursor;
+
+ if (syncEvents.playingEvents)
+ return;
+ if (grab)
+ {
+ if (grab->cursor)
+ {
+ ChangeToCursor(pDev, grab->cursor);
+ return;
+ }
+ if (IsParent(grab->window, pSprite->win))
+ win = pSprite->win;
+ else
+ win = grab->window;
+ }
+ else
+ win = pSprite->win;
+ for (; win; win = win->parent)
+ {
+ if (win->optional)
+ {
+ pCursor = WindowGetDeviceCursor(win, pDev);
+ if (!pCursor && win->optional->cursor != NullCursor)
+ pCursor = win->optional->cursor;
+ if (pCursor)
+ {
+ ChangeToCursor(pDev, pCursor);
+ return;
+ }
+ }
+ }
+}
+
+
+/**
+ * @param dev device which you want to know its current root window
+ * @return root window where dev's sprite is located
+ */
+WindowPtr
+GetCurrentRootWindow(DeviceIntPtr dev)
+{
+ return RootWindow(dev);
+}
+
+/**
+ * @return window underneath the cursor sprite.
+ */
+WindowPtr
+GetSpriteWindow(DeviceIntPtr pDev)
+{
+ return pDev->spriteInfo->sprite->win;
+}
+
+/**
+ * @return current sprite cursor.
+ */
+CursorPtr
+GetSpriteCursor(DeviceIntPtr pDev)
+{
+ return pDev->spriteInfo->sprite->current;
+}
+
+/**
+ * Set x/y current sprite position in screen coordinates.
+ */
+void
+GetSpritePosition(DeviceIntPtr pDev, int *px, int *py)
+{
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+ *px = pSprite->hotPhys.x;
+ *py = pSprite->hotPhys.y;
+}
+
+#ifdef PANORAMIX
+int
+XineramaGetCursorScreen(DeviceIntPtr pDev)
+{
+ if(!noPanoramiXExtension) {
+ return pDev->spriteInfo->sprite->screen->myNum;
+ } else {
+ return 0;
+ }
+}
+#endif /* PANORAMIX */
+
+#define TIMESLOP (5 * 60 * 1000) /* 5 minutes */
+
+static void
+MonthChangedOrBadTime(InternalEvent *ev)
+{
+ /* If the ddx/OS is careless about not processing timestamped events from
+ * different sources in sorted order, then it's possible for time to go
+ * backwards when it should not. Here we ensure a decent time.
+ */
+ if ((currentTime.milliseconds - ev->any.time) > TIMESLOP)
+ currentTime.months++;
+ else
+ ev->any.time = currentTime.milliseconds;
+}
+
+static void
+NoticeTime(InternalEvent *ev)
+{
+ if (ev->any.time < currentTime.milliseconds)
+ MonthChangedOrBadTime(ev);
+ currentTime.milliseconds = ev->any.time;
+ lastDeviceEventTime = currentTime;
+}
+
+void
+NoticeEventTime(InternalEvent *ev)
+{
+ if (!syncEvents.playingEvents)
+ NoticeTime(ev);
+}
+
+/**************************************************************************
+ * The following procedures deal with synchronous events *
+ **************************************************************************/
+
+/**
+ * EnqueueEvent is a device's processInputProc if a device is frozen.
+ * Instead of delivering the events to the client, the event is tacked onto a
+ * linked list for later delivery.
+ */
+void
+EnqueueEvent(InternalEvent *ev, DeviceIntPtr device)
+{
+ QdEventPtr tail = *syncEvents.pendtail;
+ QdEventPtr qe;
+ SpritePtr pSprite = device->spriteInfo->sprite;
+ int eventlen;
+ DeviceEvent *event = &ev->device_event;
+
+ NoticeTime((InternalEvent*)event);
+
+ /* Fix for key repeating bug. */
+ if (device->key != NULL && device->key->xkbInfo != NULL &&
+ event->type == ET_KeyRelease)
+ AccessXCancelRepeatKey(device->key->xkbInfo, event->detail.key);
+
+ if (DeviceEventCallback)
+ {
+ DeviceEventInfoRec eventinfo;
+
+ /* The RECORD spec says that the root window field of motion events
+ * must be valid. At this point, it hasn't been filled in yet, so
+ * we do it here. The long expression below is necessary to get
+ * the current root window; the apparently reasonable alternative
+ * GetCurrentRootWindow()->drawable.id doesn't give you the right
+ * answer on the first motion event after a screen change because
+ * the data that GetCurrentRootWindow relies on hasn't been
+ * updated yet.
+ */
+ if (ev->any.type == ET_Motion)
+ ev->device_event.root = WindowTable[pSprite->hotPhys.pScreen->myNum]->drawable.id;
+
+ eventinfo.event = ev;
+ eventinfo.device = device;
+ CallCallbacks(&DeviceEventCallback, (pointer)&eventinfo);
+ }
+
+ if (event->type == ET_Motion)
+ {
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension) {
+ event->root_x += panoramiXdataPtr[pSprite->screen->myNum].x -
+ panoramiXdataPtr[0].x;
+ event->root_y += panoramiXdataPtr[pSprite->screen->myNum].y -
+ panoramiXdataPtr[0].y;
+ }
+#endif
+ pSprite->hotPhys.x = event->root_x;
+ pSprite->hotPhys.y = event->root_y;
+ /* do motion compression, but not if from different devices */
+ if (tail &&
+ (tail->event->any.type == ET_Motion) &&
+ (tail->device == device) &&
+ (tail->pScreen == pSprite->hotPhys.pScreen))
+ {
+ DeviceEvent *tailev = &tail->event->device_event;
+ tailev->root_x = pSprite->hotPhys.x;
+ tailev->root_y = pSprite->hotPhys.y;
+ tailev->time = event->time;
+ tail->months = currentTime.months;
+ return;
+ }
+ }
+
+ eventlen = event->length;
+
+ qe = malloc(sizeof(QdEventRec) + eventlen);
+ if (!qe)
+ return;
+ qe->next = (QdEventPtr)NULL;
+ qe->device = device;
+ qe->pScreen = pSprite->hotPhys.pScreen;
+ qe->months = currentTime.months;
+ qe->event = (InternalEvent *)(qe + 1);
+ memcpy(qe->event, event, eventlen);
+ if (tail)
+ syncEvents.pendtail = &tail->next;
+ *syncEvents.pendtail = qe;
+}
+
+/**
+ * Run through the list of events queued up in syncEvents.
+ * For each event do:
+ * If the device for this event is not frozen anymore, take it and process it
+ * as usually.
+ * After that, check if there's any devices in the list that are not frozen.
+ * If there is none, we're done. If there is at least one device that is not
+ * frozen, then re-run from the beginning of the event queue.
+ */
+static void
+PlayReleasedEvents(void)
+{
+ QdEventPtr *prev, qe;
+ DeviceIntPtr dev;
+ DeviceIntPtr pDev;
+
+ prev = &syncEvents.pending;
+ while ( (qe = *prev) )
+ {
+ if (!qe->device->deviceGrab.sync.frozen)
+ {
+ *prev = qe->next;
+ pDev = qe->device;
+ if (*syncEvents.pendtail == *prev)
+ syncEvents.pendtail = prev;
+ if (qe->event->any.type == ET_Motion)
+ CheckVirtualMotion(pDev, qe, NullWindow);
+ syncEvents.time.months = qe->months;
+ syncEvents.time.milliseconds = qe->event->any.time;
+#ifdef PANORAMIX
+ /* Translate back to the sprite screen since processInputProc
+ will translate from sprite screen to screen 0 upon reentry
+ to the DIX layer */
+ if(!noPanoramiXExtension) {
+ DeviceEvent *ev = &qe->event->device_event;
+ switch(ev->type)
+ {
+ case ET_Motion:
+ case ET_ButtonPress:
+ case ET_ButtonRelease:
+ case ET_KeyPress:
+ case ET_KeyRelease:
+ case ET_ProximityIn:
+ case ET_ProximityOut:
+ ev->root_x += panoramiXdataPtr[0].x -
+ panoramiXdataPtr[pDev->spriteInfo->sprite->screen->myNum].x;
+ ev->root_y += panoramiXdataPtr[0].y -
+ panoramiXdataPtr[pDev->spriteInfo->sprite->screen->myNum].y;
+ break;
+ default:
+ break;
+ }
+
+ }
+#endif
+ (*qe->device->public.processInputProc)(qe->event, qe->device);
+ free(qe);
+ for (dev = inputInfo.devices; dev && dev->deviceGrab.sync.frozen; dev = dev->next)
+ ;
+ if (!dev)
+ break;
+ /* Playing the event may have unfrozen another device. */
+ /* So to play it safe, restart at the head of the queue */
+ prev = &syncEvents.pending;
+ }
+ else
+ prev = &qe->next;
+ }
+}
+
+/**
+ * Freeze or thaw the given devices. The device's processing proc is
+ * switched to either the real processing proc (in case of thawing) or an
+ * enqueuing processing proc (usually EnqueueEvent()).
+ *
+ * @param dev The device to freeze/thaw
+ * @param frozen True to freeze or false to thaw.
+ */
+static void
+FreezeThaw(DeviceIntPtr dev, Bool frozen)
+{
+ dev->deviceGrab.sync.frozen = frozen;
+ if (frozen)
+ dev->public.processInputProc = dev->public.enqueueInputProc;
+ else
+ dev->public.processInputProc = dev->public.realInputProc;
+}
+
+/**
+ * Unfreeze devices and replay all events to the respective clients.
+ *
+ * ComputeFreezes takes the first event in the device's frozen event queue. It
+ * runs up the sprite tree (spriteTrace) and searches for the window to replay
+ * the events from. If it is found, it checks for passive grabs one down from
+ * the window or delivers the events.
+ */
+static void
+ComputeFreezes(void)
+{
+ DeviceIntPtr replayDev = syncEvents.replayDev;
+ int i;
+ WindowPtr w;
+ GrabPtr grab;
+ DeviceIntPtr dev;
+
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ FreezeThaw(dev, dev->deviceGrab.sync.other ||
+ (dev->deviceGrab.sync.state >= FROZEN));
+ if (syncEvents.playingEvents || (!replayDev && !syncEvents.pending))
+ return;
+ syncEvents.playingEvents = TRUE;
+ if (replayDev)
+ {
+ DeviceEvent* event = replayDev->deviceGrab.sync.event;
+
+ syncEvents.replayDev = (DeviceIntPtr)NULL;
+
+ w = XYToWindow(replayDev, event->root_x, event->root_y);
+ for (i = 0; i < replayDev->spriteInfo->sprite->spriteTraceGood; i++)
+ {
+ if (syncEvents.replayWin ==
+ replayDev->spriteInfo->sprite->spriteTrace[i])
+ {
+ if (!CheckDeviceGrabs(replayDev, event, i+1)) {
+ if (replayDev->focus && !IsPointerEvent((InternalEvent*)event))
+ DeliverFocusedEvent(replayDev, (InternalEvent*)event, w);
+ else
+ DeliverDeviceEvents(w, (InternalEvent*)event, NullGrab,
+ NullWindow, replayDev);
+ }
+ goto playmore;
+ }
+ }
+ /* must not still be in the same stack */
+ if (replayDev->focus && !IsPointerEvent((InternalEvent*)event))
+ DeliverFocusedEvent(replayDev, (InternalEvent*)event, w);
+ else
+ DeliverDeviceEvents(w, (InternalEvent*)event, NullGrab,
+ NullWindow, replayDev);
+ }
+playmore:
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (!dev->deviceGrab.sync.frozen)
+ {
+ PlayReleasedEvents();
+ break;
+ }
+ }
+ syncEvents.playingEvents = FALSE;
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (DevHasCursor(dev))
+ {
+ /* the following may have been skipped during replay,
+ so do it now */
+ if ((grab = dev->deviceGrab.grab) && grab->confineTo)
+ {
+ if (grab->confineTo->drawable.pScreen !=
+ dev->spriteInfo->sprite->hotPhys.pScreen)
+ dev->spriteInfo->sprite->hotPhys.x =
+ dev->spriteInfo->sprite->hotPhys.y = 0;
+ ConfineCursorToWindow(dev, grab->confineTo, TRUE, TRUE);
+ }
+ else
+ ConfineCursorToWindow(dev,
+ WindowTable[dev->spriteInfo->sprite->hotPhys.pScreen->myNum],
+ TRUE, FALSE);
+ PostNewCursor(dev);
+ }
+ }
+}
+
+#ifdef RANDR
+void
+ScreenRestructured (ScreenPtr pScreen)
+{
+ GrabPtr grab;
+ DeviceIntPtr pDev;
+
+ for (pDev = inputInfo.devices; pDev; pDev = pDev->next)
+ {
+ if (!DevHasCursor(pDev))
+ continue;
+
+ /* GrabDevice doesn't have a confineTo field, so we don't need to
+ * worry about it. */
+ if ((grab = pDev->deviceGrab.grab) && grab->confineTo)
+ {
+ if (grab->confineTo->drawable.pScreen
+ != pDev->spriteInfo->sprite->hotPhys.pScreen)
+ pDev->spriteInfo->sprite->hotPhys.x = pDev->spriteInfo->sprite->hotPhys.y = 0;
+ ConfineCursorToWindow(pDev, grab->confineTo, TRUE, TRUE);
+ }
+ else
+ ConfineCursorToWindow(pDev,
+ WindowTable[pDev->spriteInfo->sprite->hotPhys.pScreen->myNum],
+ TRUE, FALSE);
+ }
+}
+#endif
+
+static void
+CheckGrabForSyncs(DeviceIntPtr thisDev, Bool thisMode, Bool otherMode)
+{
+ GrabPtr grab = thisDev->deviceGrab.grab;
+ DeviceIntPtr dev;
+
+ if (thisMode == GrabModeSync)
+ thisDev->deviceGrab.sync.state = FROZEN_NO_EVENT;
+ else
+ { /* free both if same client owns both */
+ thisDev->deviceGrab.sync.state = THAWED;
+ if (thisDev->deviceGrab.sync.other &&
+ (CLIENT_BITS(thisDev->deviceGrab.sync.other->resource) ==
+ CLIENT_BITS(grab->resource)))
+ thisDev->deviceGrab.sync.other = NullGrab;
+ }
+
+ if (IsMaster(thisDev))
+ {
+ dev = GetPairedDevice(thisDev);
+ if (otherMode == GrabModeSync)
+ dev->deviceGrab.sync.other = grab;
+ else
+ { /* free both if same client owns both */
+ if (dev->deviceGrab.sync.other &&
+ (CLIENT_BITS(dev->deviceGrab.sync.other->resource) ==
+ CLIENT_BITS(grab->resource)))
+ dev->deviceGrab.sync.other = NullGrab;
+ }
+ }
+ ComputeFreezes();
+}
+
+/**
+ * Save the device's master device id. This needs to be done
+ * if a client directly grabs a slave device that is attached to a master. For
+ * the duration of the grab, the device is detached, ungrabbing re-attaches it
+ * though.
+ *
+ * We store the ID of the master device only in case the master disappears
+ * while the device has a grab.
+ */
+static void
+DetachFromMaster(DeviceIntPtr dev)
+{
+ if (!dev->u.master)
+ return;
+
+ dev->saved_master_id = dev->u.master->id;
+
+ AttachDevice(NULL, dev, NULL);
+}
+
+static void
+ReattachToOldMaster(DeviceIntPtr dev)
+{
+ DeviceIntPtr master = NULL;
+
+ if (IsMaster(dev))
+ return;
+
+ dixLookupDevice(&master, dev->saved_master_id, serverClient, DixUseAccess);
+
+ if (master)
+ {
+ AttachDevice(serverClient, dev, master);
+ dev->saved_master_id = 0;
+ }
+}
+
+/**
+ * Activate a pointer grab on the given device. A pointer grab will cause all
+ * core pointer events of this device to be delivered to the grabbing client only.
+ * No other device will send core events to the grab client while the grab is
+ * on, but core events will be sent to other clients.
+ * Can cause the cursor to change if a grab cursor is set.
+ *
+ * Note that parameter autoGrab may be (True & ImplicitGrabMask) if the grab
+ * is an implicit grab caused by a ButtonPress event.
+ *
+ * @param mouse The device to grab.
+ * @param grab The grab structure, needs to be setup.
+ * @param autoGrab True if the grab was caused by a button down event and not
+ * explicitely by a client.
+ */
+void
+ActivatePointerGrab(DeviceIntPtr mouse, GrabPtr grab,
+ TimeStamp time, Bool autoGrab)
+{
+ GrabInfoPtr grabinfo = &mouse->deviceGrab;
+ WindowPtr oldWin = (grabinfo->grab) ?
+ grabinfo->grab->window
+ : mouse->spriteInfo->sprite->win;
+ Bool isPassive = autoGrab & ~ImplicitGrabMask;
+
+ /* slave devices need to float for the duration of the grab. */
+ if (grab->grabtype == GRABTYPE_XI2 &&
+ !(autoGrab & ImplicitGrabMask) && !IsMaster(mouse))
+ DetachFromMaster(mouse);
+
+ if (grab->confineTo)
+ {
+ if (grab->confineTo->drawable.pScreen
+ != mouse->spriteInfo->sprite->hotPhys.pScreen)
+ mouse->spriteInfo->sprite->hotPhys.x =
+ mouse->spriteInfo->sprite->hotPhys.y = 0;
+ ConfineCursorToWindow(mouse, grab->confineTo, FALSE, TRUE);
+ }
+ DoEnterLeaveEvents(mouse, mouse->id, oldWin, grab->window, NotifyGrab);
+ mouse->valuator->motionHintWindow = NullWindow;
+ if (syncEvents.playingEvents)
+ grabinfo->grabTime = syncEvents.time;
+ else
+ grabinfo->grabTime = time;
+ if (grab->cursor)
+ grab->cursor->refcnt++;
+ grabinfo->activeGrab = *grab;
+ grabinfo->grab = &grabinfo->activeGrab;
+ grabinfo->fromPassiveGrab = isPassive;
+ grabinfo->implicitGrab = autoGrab & ImplicitGrabMask;
+ PostNewCursor(mouse);
+ CheckGrabForSyncs(mouse,(Bool)grab->pointerMode, (Bool)grab->keyboardMode);
+}
+
+/**
+ * Delete grab on given device, update the sprite.
+ *
+ * Extension devices are set up for ActivateKeyboardGrab().
+ */
+void
+DeactivatePointerGrab(DeviceIntPtr mouse)
+{
+ GrabPtr grab = mouse->deviceGrab.grab;
+ DeviceIntPtr dev;
+ Bool wasImplicit = (mouse->deviceGrab.fromPassiveGrab &&
+ mouse->deviceGrab.implicitGrab);
+
+ mouse->valuator->motionHintWindow = NullWindow;
+ mouse->deviceGrab.grab = NullGrab;
+ mouse->deviceGrab.sync.state = NOT_GRABBED;
+ mouse->deviceGrab.fromPassiveGrab = FALSE;
+
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (dev->deviceGrab.sync.other == grab)
+ dev->deviceGrab.sync.other = NullGrab;
+ }
+ DoEnterLeaveEvents(mouse, mouse->id, grab->window,
+ mouse->spriteInfo->sprite->win, NotifyUngrab);
+ if (grab->confineTo)
+ ConfineCursorToWindow(mouse, RootWindow(mouse), FALSE, FALSE);
+ PostNewCursor(mouse);
+ if (grab->cursor)
+ FreeCursor(grab->cursor, (Cursor)0);
+
+ if (!wasImplicit && grab->grabtype == GRABTYPE_XI2)
+ ReattachToOldMaster(mouse);
+
+ ComputeFreezes();
+}
+
+/**
+ * Activate a keyboard grab on the given device.
+ *
+ * Extension devices have ActivateKeyboardGrab() set as their grabbing proc.
+ */
+void
+ActivateKeyboardGrab(DeviceIntPtr keybd, GrabPtr grab, TimeStamp time, Bool passive)
+{
+ GrabInfoPtr grabinfo = &keybd->deviceGrab;
+ WindowPtr oldWin;
+
+ /* slave devices need to float for the duration of the grab. */
+ if (grab->grabtype == GRABTYPE_XI2 &&
+ !(passive & ImplicitGrabMask) &&
+ !IsMaster(keybd))
+ DetachFromMaster(keybd);
+
+ if (grabinfo->grab)
+ oldWin = grabinfo->grab->window;
+ else if (keybd->focus)
+ oldWin = keybd->focus->win;
+ else
+ oldWin = keybd->spriteInfo->sprite->win;
+ if (oldWin == FollowKeyboardWin)
+ oldWin = keybd->focus->win;
+ if (keybd->valuator)
+ keybd->valuator->motionHintWindow = NullWindow;
+ DoFocusEvents(keybd, oldWin, grab->window, NotifyGrab);
+ if (syncEvents.playingEvents)
+ grabinfo->grabTime = syncEvents.time;
+ else
+ grabinfo->grabTime = time;
+ grabinfo->activeGrab = *grab;
+ grabinfo->grab = &grabinfo->activeGrab;
+ grabinfo->fromPassiveGrab = passive;
+ grabinfo->implicitGrab = passive & ImplicitGrabMask;
+ CheckGrabForSyncs(keybd, (Bool)grab->keyboardMode, (Bool)grab->pointerMode);
+}
+
+/**
+ * Delete keyboard grab for the given device.
+ */
+void
+DeactivateKeyboardGrab(DeviceIntPtr keybd)
+{
+ GrabPtr grab = keybd->deviceGrab.grab;
+ DeviceIntPtr dev;
+ WindowPtr focusWin = keybd->focus ? keybd->focus->win
+ : keybd->spriteInfo->sprite->win;
+ Bool wasImplicit = (keybd->deviceGrab.fromPassiveGrab &&
+ keybd->deviceGrab.implicitGrab);
+
+ if (focusWin == FollowKeyboardWin)
+ focusWin = inputInfo.keyboard->focus->win;
+ if (keybd->valuator)
+ keybd->valuator->motionHintWindow = NullWindow;
+ keybd->deviceGrab.grab = NullGrab;
+ keybd->deviceGrab.sync.state = NOT_GRABBED;
+ keybd->deviceGrab.fromPassiveGrab = FALSE;
+
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (dev->deviceGrab.sync.other == grab)
+ dev->deviceGrab.sync.other = NullGrab;
+ }
+ DoFocusEvents(keybd, grab->window, focusWin, NotifyUngrab);
+
+ if (!wasImplicit && grab->grabtype == GRABTYPE_XI2)
+ ReattachToOldMaster(keybd);
+
+ ComputeFreezes();
+}
+
+void
+AllowSome(ClientPtr client,
+ TimeStamp time,
+ DeviceIntPtr thisDev,
+ int newState)
+{
+ Bool thisGrabbed, otherGrabbed, othersFrozen, thisSynced;
+ TimeStamp grabTime;
+ DeviceIntPtr dev;
+ GrabInfoPtr devgrabinfo,
+ grabinfo = &thisDev->deviceGrab;
+
+ thisGrabbed = grabinfo->grab && SameClient(grabinfo->grab, client);
+ thisSynced = FALSE;
+ otherGrabbed = FALSE;
+ othersFrozen = FALSE;
+ grabTime = grabinfo->grabTime;
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ devgrabinfo = &dev->deviceGrab;
+
+ if (dev == thisDev)
+ continue;
+ if (devgrabinfo->grab && SameClient(devgrabinfo->grab, client))
+ {
+ if (!(thisGrabbed || otherGrabbed) ||
+ (CompareTimeStamps(devgrabinfo->grabTime, grabTime) == LATER))
+ grabTime = devgrabinfo->grabTime;
+ otherGrabbed = TRUE;
+ if (grabinfo->sync.other == devgrabinfo->grab)
+ thisSynced = TRUE;
+ if (devgrabinfo->sync.state >= FROZEN)
+ othersFrozen = TRUE;
+ }
+ }
+ if (!((thisGrabbed && grabinfo->sync.state >= FROZEN) || thisSynced))
+ return;
+ if ((CompareTimeStamps(time, currentTime) == LATER) ||
+ (CompareTimeStamps(time, grabTime) == EARLIER))
+ return;
+ switch (newState)
+ {
+ case THAWED: /* Async */
+ if (thisGrabbed)
+ grabinfo->sync.state = THAWED;
+ if (thisSynced)
+ grabinfo->sync.other = NullGrab;
+ ComputeFreezes();
+ break;
+ case FREEZE_NEXT_EVENT: /* Sync */
+ if (thisGrabbed)
+ {
+ grabinfo->sync.state = FREEZE_NEXT_EVENT;
+ if (thisSynced)
+ grabinfo->sync.other = NullGrab;
+ ComputeFreezes();
+ }
+ break;
+ case THAWED_BOTH: /* AsyncBoth */
+ if (othersFrozen)
+ {
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ devgrabinfo = &dev->deviceGrab;
+ if (devgrabinfo->grab
+ && SameClient(devgrabinfo->grab, client))
+ devgrabinfo->sync.state = THAWED;
+ if (devgrabinfo->sync.other &&
+ SameClient(devgrabinfo->sync.other, client))
+ devgrabinfo->sync.other = NullGrab;
+ }
+ ComputeFreezes();
+ }
+ break;
+ case FREEZE_BOTH_NEXT_EVENT: /* SyncBoth */
+ if (othersFrozen)
+ {
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ devgrabinfo = &dev->deviceGrab;
+ if (devgrabinfo->grab
+ && SameClient(devgrabinfo->grab, client))
+ devgrabinfo->sync.state = FREEZE_BOTH_NEXT_EVENT;
+ if (devgrabinfo->sync.other
+ && SameClient(devgrabinfo->sync.other, client))
+ devgrabinfo->sync.other = NullGrab;
+ }
+ ComputeFreezes();
+ }
+ break;
+ case NOT_GRABBED: /* Replay */
+ if (thisGrabbed && grabinfo->sync.state == FROZEN_WITH_EVENT)
+ {
+ if (thisSynced)
+ grabinfo->sync.other = NullGrab;
+ syncEvents.replayDev = thisDev;
+ syncEvents.replayWin = grabinfo->grab->window;
+ (*grabinfo->DeactivateGrab)(thisDev);
+ syncEvents.replayDev = (DeviceIntPtr)NULL;
+ }
+ break;
+ case THAW_OTHERS: /* AsyncOthers */
+ if (othersFrozen)
+ {
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (dev == thisDev)
+ continue;
+ devgrabinfo = &dev->deviceGrab;
+ if (devgrabinfo->grab
+ && SameClient(devgrabinfo->grab, client))
+ devgrabinfo->sync.state = THAWED;
+ if (devgrabinfo->sync.other
+ && SameClient(devgrabinfo->sync.other, client))
+ devgrabinfo->sync.other = NullGrab;
+ }
+ ComputeFreezes();
+ }
+ break;
+ }
+}
+
+/**
+ * Server-side protocol handling for AllowEvents request.
+ *
+ * Release some events from a frozen device.
+ */
+int
+ProcAllowEvents(ClientPtr client)
+{
+ TimeStamp time;
+ DeviceIntPtr mouse = NULL;
+ DeviceIntPtr keybd = NULL;
+ REQUEST(xAllowEventsReq);
+
+ REQUEST_SIZE_MATCH(xAllowEventsReq);
+ time = ClientTimeToServerTime(stuff->time);
+
+ mouse = PickPointer(client);
+ keybd = PickKeyboard(client);
+
+ switch (stuff->mode)
+ {
+ case ReplayPointer:
+ AllowSome(client, time, mouse, NOT_GRABBED);
+ break;
+ case SyncPointer:
+ AllowSome(client, time, mouse, FREEZE_NEXT_EVENT);
+ break;
+ case AsyncPointer:
+ AllowSome(client, time, mouse, THAWED);
+ break;
+ case ReplayKeyboard:
+ AllowSome(client, time, keybd, NOT_GRABBED);
+ break;
+ case SyncKeyboard:
+ AllowSome(client, time, keybd, FREEZE_NEXT_EVENT);
+ break;
+ case AsyncKeyboard:
+ AllowSome(client, time, keybd, THAWED);
+ break;
+ case SyncBoth:
+ AllowSome(client, time, keybd, FREEZE_BOTH_NEXT_EVENT);
+ break;
+ case AsyncBoth:
+ AllowSome(client, time, keybd, THAWED_BOTH);
+ break;
+ default:
+ client->errorValue = stuff->mode;
+ return BadValue;
+ }
+ return Success;
+}
+
+/**
+ * Deactivate grabs from any device that has been grabbed by the client.
+ */
+void
+ReleaseActiveGrabs(ClientPtr client)
+{
+ DeviceIntPtr dev;
+ Bool done;
+
+ /* XXX CloseDownClient should remove passive grabs before
+ * releasing active grabs.
+ */
+ do {
+ done = TRUE;
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (dev->deviceGrab.grab && SameClient(dev->deviceGrab.grab, client))
+ {
+ (*dev->deviceGrab.DeactivateGrab)(dev);
+ done = FALSE;
+ }
+ }
+ } while (!done);
+}
+
+/**************************************************************************
+ * The following procedures deal with delivering events *
+ **************************************************************************/
+
+/**
+ * Deliver the given events to the given client.
+ *
+ * More than one event may be delivered at a time. This is the case with
+ * DeviceMotionNotifies which may be followed by DeviceValuator events.
+ *
+ * TryClientEvents() is the last station before actually writing the events to
+ * the socket. Anything that is not filtered here, will get delivered to the
+ * client.
+ * An event is only delivered if
+ * - mask and filter match up.
+ * - no other client has a grab on the device that caused the event.
+ *
+ *
+ * @param client The target client to deliver to.
+ * @param dev The device the event came from. May be NULL.
+ * @param pEvents The events to be delivered.
+ * @param count Number of elements in pEvents.
+ * @param mask Event mask as set by the window.
+ * @param filter Mask based on event type.
+ * @param grab Possible grab on the device that caused the event.
+ *
+ * @return 1 if event was delivered, 0 if not or -1 if grab was not set by the
+ * client.
+ */
+int
+TryClientEvents (ClientPtr client, DeviceIntPtr dev, xEvent *pEvents,
+ int count, Mask mask, Mask filter, GrabPtr grab)
+{
+ int i;
+ int type;
+
+#ifdef DEBUG_EVENTS
+ ErrorF("[dix] Event([%d, %d], mask=0x%lx), client=%d%s",
+ pEvents->u.u.type, pEvents->u.u.detail, mask,
+ client ? client->index : -1,
+ (client && client->clientGone) ? " (gone)" : "");
+#endif
+
+ if (!client || client == serverClient || client->clientGone) {
+#ifdef DEBUG_EVENTS
+ ErrorF(" not delivered to fake/dead client\n");
+#endif
+ return 0;
+ }
+
+ if (filter != CantBeFiltered && !(mask & filter))
+ {
+ #ifdef DEBUG_EVENTS
+ ErrorF(" filtered\n");
+ #endif
+ return 0;
+ }
+
+ if (grab && !SameClient(grab, client))
+ {
+#ifdef DEBUG_EVENTS
+ ErrorF(" not delivered due to grab\n");
+#endif
+ return -1; /* don't send, but notify caller */
+ }
+
+ type = pEvents->u.u.type;
+ if (type == MotionNotify)
+ {
+ if (mask & PointerMotionHintMask)
+ {
+ if (WID(dev->valuator->motionHintWindow) ==
+ pEvents->u.keyButtonPointer.event)
+ {
+#ifdef DEBUG_EVENTS
+ ErrorF("[dix] \n");
+ ErrorF("[dix] motionHintWindow == keyButtonPointer.event\n");
+#endif
+ return 1; /* don't send, but pretend we did */
+ }
+ pEvents->u.u.detail = NotifyHint;
+ }
+ else
+ {
+ pEvents->u.u.detail = NotifyNormal;
+ }
+ }
+ else if (type == DeviceMotionNotify)
+ {
+ if (MaybeSendDeviceMotionNotifyHint((deviceKeyButtonPointer*)pEvents,
+ mask) != 0)
+ return 1;
+ } else if (type == KeyPress)
+ {
+ if (EventIsKeyRepeat(pEvents))
+ {
+ if (!_XkbWantsDetectableAutoRepeat(client))
+ {
+ xEvent release = *pEvents;
+ release.u.u.type = KeyRelease;
+ release.u.u.sequenceNumber = client->sequence;
+ WriteEventsToClient(client, 1, &release);
+#ifdef DEBUG_EVENTS
+ ErrorF(" (plus fake core release for repeat)");
+#endif
+ } else
+ {
+#ifdef DEBUG_EVENTS
+ ErrorF(" (detectable autorepeat for core)");
+#endif
+ }
+ }
+
+ } else if (type == DeviceKeyPress)
+ {
+ if (EventIsKeyRepeat(pEvents))
+ {
+ if (!_XkbWantsDetectableAutoRepeat(client))
+ {
+ deviceKeyButtonPointer release = *(deviceKeyButtonPointer *)pEvents;
+ release.type = DeviceKeyRelease;
+ release.sequenceNumber = client->sequence;
+#ifdef DEBUG_EVENTS
+ ErrorF(" (plus fake xi1 release for repeat)");
+#endif
+ WriteEventsToClient(client, 1, (xEvent *) &release);
+ }
+ else {
+#ifdef DEBUG_EVENTS
+ ErrorF(" (detectable autorepeat for core)");
+#endif
+ }
+ }
+ }
+
+ type &= 0177;
+ if (type != KeymapNotify)
+ {
+ /* all extension events must have a sequence number */
+ for (i = 0; i < count; i++)
+ pEvents[i].u.u.sequenceNumber = client->sequence;
+ }
+
+ if (BitIsOn(criticalEvents, type))
+ {
+ if (client->smart_priority < SMART_MAX_PRIORITY)
+ client->smart_priority++;
+ SetCriticalOutputPending();
+ }
+
+ WriteEventsToClient(client, count, pEvents);
+#ifdef DEBUG_EVENTS
+ ErrorF("[dix] delivered\n");
+#endif
+ return 1;
+}
+
+/**
+ * Deliver events to a window. At this point, we do not yet know if the event
+ * actually needs to be delivered. May activate a grab if the event is a
+ * button press.
+ *
+ * Core events are always delivered to the window owner. If the filter is
+ * something other than CantBeFiltered, the event is also delivered to other
+ * clients with the matching mask on the window.
+ *
+ * More than one event may be delivered at a time. This is the case with
+ * DeviceMotionNotifies which may be followed by DeviceValuator events.
+ *
+ * @param pWin The window that would get the event.
+ * @param pEvents The events to be delivered.
+ * @param count Number of elements in pEvents.
+ * @param filter Mask based on event type.
+ * @param grab Possible grab on the device that caused the event.
+ *
+ * @return Number of events delivered to various clients.
+ */
+int
+DeliverEventsToWindow(DeviceIntPtr pDev, WindowPtr pWin, xEvent
+ *pEvents, int count, Mask filter, GrabPtr grab)
+{
+ int deliveries = 0, nondeliveries = 0;
+ int attempt;
+ InputClients *other;
+ ClientPtr client = NullClient;
+ Mask deliveryMask = 0; /* If a grab occurs due to a button press, then
+ this mask is the mask of the grab. */
+ int type = pEvents->u.u.type;
+
+
+ /* Deliver to window owner */
+ if ((filter == CantBeFiltered) || CORE_EVENT(pEvents))
+ {
+ /* if nobody ever wants to see this event, skip some work */
+ if (filter != CantBeFiltered &&
+ !((wOtherEventMasks(pWin)|pWin->eventMask) & filter))
+ return 0;
+
+ if (IsInterferingGrab(wClient(pWin), pDev, pEvents))
+ return 0;
+
+ if (XaceHook(XACE_RECEIVE_ACCESS, wClient(pWin), pWin, pEvents, count))
+ /* do nothing */;
+ else if ( (attempt = TryClientEvents(wClient(pWin), pDev, pEvents,
+ count, pWin->eventMask,
+ filter, grab)) )
+ {
+ if (attempt > 0)
+ {
+ deliveries++;
+ client = wClient(pWin);
+ deliveryMask = pWin->eventMask;
+ } else
+ nondeliveries--;
+ }
+ }
+
+ /* CantBeFiltered means only window owner gets the event */
+ if (filter != CantBeFiltered)
+ {
+ if (CORE_EVENT(pEvents))
+ other = (InputClients *)wOtherClients(pWin);
+ else if (XI2_EVENT(pEvents))
+ {
+ OtherInputMasks *inputMasks = wOtherInputMasks(pWin);
+ /* Has any client selected for the event? */
+ if (!GetWindowXI2Mask(pDev, pWin, pEvents))
+ return 0;
+ other = inputMasks->inputClients;
+ } else {
+ OtherInputMasks *inputMasks = wOtherInputMasks(pWin);
+ /* Has any client selected for the event? */
+ if (!inputMasks ||
+ !(inputMasks->inputEvents[pDev->id] & filter))
+ return 0;
+
+ other = inputMasks->inputClients;
+ }
+
+ for (; other; other = other->next)
+ {
+ Mask mask;
+ if (IsInterferingGrab(rClient(other), pDev, pEvents))
+ continue;
+
+ mask = GetEventMask(pDev, pEvents, other);
+
+ if (XaceHook(XACE_RECEIVE_ACCESS, rClient(other), pWin,
+ pEvents, count))
+ /* do nothing */;
+ else if ( (attempt = TryClientEvents(rClient(other), pDev,
+ pEvents, count,
+ mask, filter, grab)) )
+ {
+ if (attempt > 0)
+ {
+ deliveries++;
+ client = rClient(other);
+ deliveryMask = mask;
+ } else
+ nondeliveries--;
+ }
+ }
+ }
+ /*
+ * Note that since core events are delivered first, an implicit grab may
+ * be activated on a core grab, stopping the XI events.
+ */
+ if ((type == DeviceButtonPress || type == ButtonPress ||
+ ((XI2_EVENT(pEvents) && ((xGenericEvent*)pEvents)->evtype == XI_ButtonPress)))
+ && deliveries
+ && (!grab))
+ {
+ GrabRec tempGrab;
+ OtherInputMasks *inputMasks;
+
+ memset(&tempGrab, 0, sizeof(GrabRec));
+ tempGrab.next = NULL;
+ tempGrab.device = pDev;
+ tempGrab.resource = client->clientAsMask;
+ tempGrab.window = pWin;
+ tempGrab.ownerEvents = (deliveryMask & OwnerGrabButtonMask) ? TRUE : FALSE;
+ tempGrab.eventMask = deliveryMask;
+ tempGrab.keyboardMode = GrabModeAsync;
+ tempGrab.pointerMode = GrabModeAsync;
+ tempGrab.confineTo = NullWindow;
+ tempGrab.cursor = NullCursor;
+ tempGrab.type = type;
+ if (type == ButtonPress)
+ tempGrab.grabtype = GRABTYPE_CORE;
+ else if (type == DeviceButtonPress)
+ tempGrab.grabtype = GRABTYPE_XI;
+ else
+ {
+ tempGrab.type = ((xGenericEvent*)pEvents)->evtype;
+ tempGrab.grabtype = GRABTYPE_XI2;
+ }
+
+ /* get the XI and XI2 device mask */
+ inputMasks = wOtherInputMasks(pWin);
+ tempGrab.deviceMask = (inputMasks) ? inputMasks->inputEvents[pDev->id]: 0;
+
+ if (inputMasks)
+ memcpy(tempGrab.xi2mask, inputMasks->xi2mask,
+ sizeof(tempGrab.xi2mask));
+
+ (*pDev->deviceGrab.ActivateGrab)(pDev, &tempGrab,
+ currentTime, TRUE | ImplicitGrabMask);
+ }
+ else if ((type == MotionNotify) && deliveries)
+ pDev->valuator->motionHintWindow = pWin;
+ else
+ {
+ if ((type == DeviceMotionNotify || type == DeviceButtonPress) &&
+ deliveries)
+ CheckDeviceGrabAndHintWindow (pWin, type,
+ (deviceKeyButtonPointer*) pEvents,
+ grab, client, deliveryMask);
+ }
+ if (deliveries)
+ return deliveries;
+ return nondeliveries;
+}
+
+/* If the event goes to dontClient, don't send it and return 0. if
+ send works, return 1 or if send didn't work, return 2.
+ Only works for core events.
+*/
+
+#ifdef PANORAMIX
+static int
+XineramaTryClientEventsResult(
+ ClientPtr client,
+ GrabPtr grab,
+ Mask mask,
+ Mask filter
+){
+ if ((client) && (client != serverClient) && (!client->clientGone) &&
+ ((filter == CantBeFiltered) || (mask & filter)))
+ {
+ if (grab && !SameClient(grab, client)) return -1;
+ else return 1;
+ }
+ return 0;
+}
+#endif
+
+/**
+ * Try to deliver events to the interested parties.
+ *
+ * @param pWin The window that would get the event.
+ * @param pEvents The events to be delivered.
+ * @param count Number of elements in pEvents.
+ * @param filter Mask based on event type.
+ * @param dontClient Don't deliver to the dontClient.
+ */
+int
+MaybeDeliverEventsToClient(WindowPtr pWin, xEvent *pEvents,
+ int count, Mask filter, ClientPtr dontClient)
+{
+ OtherClients *other;
+
+
+ if (pWin->eventMask & filter)
+ {
+ if (wClient(pWin) == dontClient)
+ return 0;
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum)
+ return XineramaTryClientEventsResult(
+ wClient(pWin), NullGrab, pWin->eventMask, filter);
+#endif
+ if (XaceHook(XACE_RECEIVE_ACCESS, wClient(pWin), pWin, pEvents, count))
+ return 1; /* don't send, but pretend we did */
+ return TryClientEvents(wClient(pWin), NULL, pEvents, count,
+ pWin->eventMask, filter, NullGrab);
+ }
+ for (other = wOtherClients(pWin); other; other = other->next)
+ {
+ if (other->mask & filter)
+ {
+ if (SameClient(other, dontClient))
+ return 0;
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum)
+ return XineramaTryClientEventsResult(
+ rClient(other), NullGrab, other->mask, filter);
+#endif
+ if (XaceHook(XACE_RECEIVE_ACCESS, rClient(other), pWin, pEvents,
+ count))
+ return 1; /* don't send, but pretend we did */
+ return TryClientEvents(rClient(other), NULL, pEvents, count,
+ other->mask, filter, NullGrab);
+ }
+ }
+ return 2;
+}
+
+static Window FindChildForEvent(DeviceIntPtr dev, WindowPtr event)
+{
+ SpritePtr pSprite = dev->spriteInfo->sprite;
+ WindowPtr w = pSprite->spriteTrace[pSprite->spriteTraceGood-1];
+ Window child = None;
+
+ /* If the search ends up past the root should the child field be
+ set to none or should the value in the argument be passed
+ through. It probably doesn't matter since everyone calls
+ this function with child == None anyway. */
+ while (w)
+ {
+ /* If the source window is same as event window, child should be
+ none. Don't bother going all all the way back to the root. */
+
+ if (w == event)
+ {
+ child = None;
+ break;
+ }
+
+ if (w->parent == event)
+ {
+ child = w->drawable.id;
+ break;
+ }
+ w = w->parent;
+ }
+ return child;
+}
+
+/**
+ * Adjust event fields to comply with the window properties.
+ *
+ * @param xE Event to be modified in place
+ * @param pWin The window to get the information from.
+ * @param child Child window setting for event (if applicable)
+ * @param calcChild If True, calculate the child window.
+ */
+void
+FixUpEventFromWindow(
+ DeviceIntPtr pDev,
+ xEvent *xE,
+ WindowPtr pWin,
+ Window child,
+ Bool calcChild)
+{
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+
+ if (calcChild)
+ child = FindChildForEvent(pDev, pWin);
+
+ if (XI2_EVENT(xE))
+ {
+ xXIDeviceEvent* event = (xXIDeviceEvent*)xE;
+
+ if (event->evtype == XI_RawKeyPress ||
+ event->evtype == XI_RawKeyRelease ||
+ event->evtype == XI_RawButtonPress ||
+ event->evtype == XI_RawButtonRelease ||
+ event->evtype == XI_RawMotion ||
+ event->evtype == XI_DeviceChanged ||
+ event->evtype == XI_HierarchyChanged ||
+ event->evtype == XI_PropertyEvent)
+ return;
+
+ event->root = RootWindow(pDev)->drawable.id;
+ event->event = pWin->drawable.id;
+ if (pSprite->hot.pScreen == pWin->drawable.pScreen)
+ {
+ event->event_x = event->root_x - FP1616(pWin->drawable.x, 0);
+ event->event_y = event->root_y - FP1616(pWin->drawable.y, 0);
+ event->child = child;
+ } else
+ {
+ event->event_x = 0;
+ event->event_y = 0;
+ event->child = None;
+ }
+
+ if (event->evtype == XI_Enter || event->evtype == XI_Leave ||
+ event->evtype == XI_FocusIn || event->evtype == XI_FocusOut)
+ ((xXIEnterEvent*)event)->same_screen =
+ (pSprite->hot.pScreen == pWin->drawable.pScreen);
+
+ } else
+ {
+ XE_KBPTR.root = RootWindow(pDev)->drawable.id;
+ XE_KBPTR.event = pWin->drawable.id;
+ if (pSprite->hot.pScreen == pWin->drawable.pScreen)
+ {
+ XE_KBPTR.sameScreen = xTrue;
+ XE_KBPTR.child = child;
+ XE_KBPTR.eventX =
+ XE_KBPTR.rootX - pWin->drawable.x;
+ XE_KBPTR.eventY =
+ XE_KBPTR.rootY - pWin->drawable.y;
+ }
+ else
+ {
+ XE_KBPTR.sameScreen = xFalse;
+ XE_KBPTR.child = None;
+ XE_KBPTR.eventX = 0;
+ XE_KBPTR.eventY = 0;
+ }
+ }
+}
+
+/**
+ * Return masks for EventIsDeliverable.
+ * @defgroup EventIsDeliverable return flags
+ * @{
+ */
+#define XI_MASK (1 << 0) /**< XI mask set on window */
+#define CORE_MASK (1 << 1) /**< Core mask set on window */
+#define DONT_PROPAGATE_MASK (1 << 2) /**< DontPropagate mask set on window */
+#define XI2_MASK (1 << 3) /**< XI2 mask set on window */
+/* @} */
+
+/**
+ * Check if a given event is deliverable at all on a given window.
+ *
+ * This function only checks if any client wants it, not for a specific
+ * client.
+ *
+ * @param[in] dev The device this event is being sent for.
+ * @param[in] event The event that is to be sent.
+ * @param[in] win The current event window.
+ *
+ * @return Bitmask of ::XI2_MASK, ::XI_MASK, ::CORE_MASK, and
+ * ::DONT_PROPAGATE_MASK.
+ */
+static int
+EventIsDeliverable(DeviceIntPtr dev, InternalEvent* event, WindowPtr win)
+{
+ int rc = 0;
+ int filter = 0;
+ int type;
+ OtherInputMasks *inputMasks = wOtherInputMasks(win);
+ xEvent ev;
+
+ /* XXX: this makes me gag */
+ type = GetXI2Type(event);
+ ev.u.u.type = GenericEvent; /* GetEventFilter only cares about type and evtype*/
+ ((xGenericEvent*)&ev)->extension = IReqCode;
+ ((xGenericEvent*)&ev)->evtype = type;
+ filter = GetEventFilter(dev, &ev);
+ if (type && inputMasks &&
+ ((inputMasks->xi2mask[XIAllDevices][type/8] & filter) ||
+ ((inputMasks->xi2mask[XIAllMasterDevices][type/8] & filter) && IsMaster(dev)) ||
+ (inputMasks->xi2mask[dev->id][type/8] & filter)))
+ rc |= XI2_MASK;
+
+ type = GetXIType(event);
+ ev.u.u.type = type;
+ filter = GetEventFilter(dev, &ev);
+
+ /* Check for XI mask */
+ if (type && inputMasks &&
+ (inputMasks->deliverableEvents[dev->id] & filter) &&
+ (inputMasks->inputEvents[dev->id] & filter))
+ rc |= XI_MASK;
+
+ /* Check for XI DontPropagate mask */
+ if (type && inputMasks &&
+ (inputMasks->dontPropagateMask[dev->id] & filter))
+ rc |= DONT_PROPAGATE_MASK;
+
+ /* Check for core mask */
+ type = GetCoreType(event);
+ if (type && (win->deliverableEvents & filter) &&
+ ((wOtherEventMasks(win) | win->eventMask) & filter))
+ rc |= CORE_MASK;
+
+ /* Check for core DontPropagate mask */
+ if (type && (filter & wDontPropagateMask(win)))
+ rc |= DONT_PROPAGATE_MASK;
+
+ return rc;
+}
+
+/**
+ * Deliver events caused by input devices.
+ *
+ * For events from a non-grabbed, non-focus device, DeliverDeviceEvents is
+ * called directly from the processInputProc.
+ * For grabbed devices, DeliverGrabbedEvent is called first, and _may_ call
+ * DeliverDeviceEvents.
+ * For focused events, DeliverFocusedEvent is called first, and _may_ call
+ * DeliverDeviceEvents.
+ *
+ * @param pWin Window to deliver event to.
+ * @param event The events to deliver, not yet in wire format.
+ * @param grab Possible grab on a device.
+ * @param stopAt Don't recurse up to the root window.
+ * @param dev The device that is responsible for the event.
+ *
+ * @see DeliverGrabbedEvent
+ * @see DeliverFocusedEvent
+ */
+int
+DeliverDeviceEvents(WindowPtr pWin, InternalEvent *event, GrabPtr grab,
+ WindowPtr stopAt, DeviceIntPtr dev)
+{
+ Window child = None;
+ Mask filter;
+ int deliveries = 0;
+ xEvent core;
+ xEvent *xE = NULL;
+ int rc, mask, count = 0;
+
+ CHECKEVENT(event);
+
+ while (pWin)
+ {
+ if ((mask = EventIsDeliverable(dev, event, pWin)))
+ {
+ /* XI2 events first */
+ if (mask & XI2_MASK)
+ {
+ xEvent *xi2 = NULL;
+ rc = EventToXI2(event, &xi2);
+ if (rc == Success)
+ {
+ /* XXX: XACE */
+ filter = GetEventFilter(dev, xi2);
+ FixUpEventFromWindow(dev, xi2, pWin, child, FALSE);
+ deliveries = DeliverEventsToWindow(dev, pWin, xi2, 1,
+ filter, grab);
+ free(xi2);
+ if (deliveries > 0)
+ goto unwind;
+ } else if (rc != BadMatch)
+ ErrorF("[dix] %s: XI2 conversion failed in DDE (%d).\n",
+ dev->name, rc);
+ }
+
+ /* XI events */
+ if (mask & XI_MASK)
+ {
+ rc = EventToXI(event, &xE, &count);
+ if (rc == Success) {
+ if (XaceHook(XACE_SEND_ACCESS, NULL, dev, pWin, xE, count) == Success) {
+ filter = GetEventFilter(dev, xE);
+ FixUpEventFromWindow(dev, xE, pWin, child, FALSE);
+ deliveries = DeliverEventsToWindow(dev, pWin, xE, count,
+ filter, grab);
+ if (deliveries > 0)
+ goto unwind;
+ }
+ } else if (rc != BadMatch)
+ ErrorF("[dix] %s: XI conversion failed in DDE (%d, %d). Skipping delivery.\n",
+ dev->name, event->any.type, rc);
+ }
+
+ /* Core event */
+ if ((mask & CORE_MASK) && IsMaster(dev) && dev->coreEvents)
+ {
+ rc = EventToCore(event, &core);
+ if (rc == Success) {
+ if (XaceHook(XACE_SEND_ACCESS, NULL, dev, pWin, &core, 1) == Success) {
+ filter = GetEventFilter(dev, &core);
+ FixUpEventFromWindow(dev, &core, pWin, child, FALSE);
+ deliveries = DeliverEventsToWindow(dev, pWin, &core, 1,
+ filter, grab);
+ if (deliveries > 0)
+ goto unwind;
+ }
+ } else if (rc != BadMatch)
+ ErrorF("[dix] %s: Core conversion failed in DDE (%d, %d).\n",
+ dev->name, event->any.type, rc);
+ }
+
+ if ((deliveries < 0) || (pWin == stopAt) ||
+ (mask & DONT_PROPAGATE_MASK))
+ {
+ deliveries = 0;
+ goto unwind;
+ }
+ }
+
+ child = pWin->drawable.id;
+ pWin = pWin->parent;
+ }
+
+unwind:
+ free(xE);
+ return deliveries;
+}
+
+#undef XI_MASK
+#undef CORE_MASK
+#undef DONT_PROPAGATE_MASK
+
+/**
+ * Deliver event to a window and it's immediate parent. Used for most window
+ * events (CreateNotify, ConfigureNotify, etc.). Not useful for events that
+ * propagate up the tree or extension events
+ *
+ * In case of a ReparentNotify event, the event will be delivered to the
+ * otherParent as well.
+ *
+ * @param pWin Window to deliver events to.
+ * @param xE Events to deliver.
+ * @param count number of events in xE.
+ * @param otherParent Used for ReparentNotify events.
+ */
+int
+DeliverEvents(WindowPtr pWin, xEvent *xE, int count,
+ WindowPtr otherParent)
+{
+ Mask filter;
+ int deliveries;
+ DeviceIntRec dummy;
+
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum)
+ return count;
+#endif
+
+ if (!count)
+ return 0;
+
+ dummy.id = XIAllDevices;
+ filter = GetEventFilter(&dummy, xE);
+ if ((filter & SubstructureNotifyMask) && (xE->u.u.type != CreateNotify))
+ xE->u.destroyNotify.event = pWin->drawable.id;
+ if (filter != StructureAndSubMask)
+ return DeliverEventsToWindow(&dummy, pWin, xE, count, filter, NullGrab);
+ deliveries = DeliverEventsToWindow(&dummy, pWin, xE, count,
+ StructureNotifyMask, NullGrab);
+ if (pWin->parent)
+ {
+ xE->u.destroyNotify.event = pWin->parent->drawable.id;
+ deliveries += DeliverEventsToWindow(&dummy, pWin->parent, xE, count,
+ SubstructureNotifyMask, NullGrab);
+ if (xE->u.u.type == ReparentNotify)
+ {
+ xE->u.destroyNotify.event = otherParent->drawable.id;
+ deliveries += DeliverEventsToWindow(&dummy,
+ otherParent, xE, count, SubstructureNotifyMask,
+ NullGrab);
+ }
+ }
+ return deliveries;
+}
+
+
+static Bool
+PointInBorderSize(WindowPtr pWin, int x, int y)
+{
+ BoxRec box;
+
+ if(POINT_IN_REGION(pWin->drawable.pScreen, &pWin->borderSize, x, y, &box))
+ return TRUE;
+
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension &&
+ XineramaSetWindowPntrs(inputInfo.pointer, pWin)) {
+ SpritePtr pSprite = inputInfo.pointer->spriteInfo->sprite;
+ int i;
+
+ for(i = 1; i < PanoramiXNumScreens; i++) {
+ if(POINT_IN_REGION(pSprite->screen,
+ &pSprite->windows[i]->borderSize,
+ x + panoramiXdataPtr[0].x - panoramiXdataPtr[i].x,
+ y + panoramiXdataPtr[0].y - panoramiXdataPtr[i].y,
+ &box))
+ return TRUE;
+ }
+ }
+#endif
+ return FALSE;
+}
+
+/**
+ * Traversed from the root window to the window at the position x/y. While
+ * traversing, it sets up the traversal history in the spriteTrace array.
+ * After completing, the spriteTrace history is set in the following way:
+ * spriteTrace[0] ... root window
+ * spriteTrace[1] ... top level window that encloses x/y
+ * ...
+ * spriteTrace[spriteTraceGood - 1] ... window at x/y
+ *
+ * @returns the window at the given coordinates.
+ */
+static WindowPtr
+XYToWindow(DeviceIntPtr pDev, int x, int y)
+{
+ WindowPtr pWin;
+ BoxRec box;
+ SpritePtr pSprite;
+
+ pSprite = pDev->spriteInfo->sprite;
+ pSprite->spriteTraceGood = 1; /* root window still there */
+ pWin = RootWindow(pDev)->firstChild;
+ while (pWin)
+ {
+ if ((pWin->mapped) &&
+ (x >= pWin->drawable.x - wBorderWidth (pWin)) &&
+ (x < pWin->drawable.x + (int)pWin->drawable.width +
+ wBorderWidth(pWin)) &&
+ (y >= pWin->drawable.y - wBorderWidth (pWin)) &&
+ (y < pWin->drawable.y + (int)pWin->drawable.height +
+ wBorderWidth (pWin))
+ /* When a window is shaped, a further check
+ * is made to see if the point is inside
+ * borderSize
+ */
+ && (!wBoundingShape(pWin) || PointInBorderSize(pWin, x, y))
+ && (!wInputShape(pWin) ||
+ POINT_IN_REGION(pWin->drawable.pScreen,
+ wInputShape(pWin),
+ x - pWin->drawable.x,
+ y - pWin->drawable.y, &box))
+#ifdef ROOTLESS
+ /* In rootless mode windows may be offscreen, even when
+ * they're in X's stack. (E.g. if the native window system
+ * implements some form of virtual desktop system).
+ */
+ && !pWin->rootlessUnhittable
+#endif
+ )
+ {
+ if (pSprite->spriteTraceGood >= pSprite->spriteTraceSize)
+ {
+ pSprite->spriteTraceSize += 10;
+ pSprite->spriteTrace = realloc(pSprite->spriteTrace,
+ pSprite->spriteTraceSize*sizeof(WindowPtr));
+ }
+ pSprite->spriteTrace[pSprite->spriteTraceGood++] = pWin;
+ pWin = pWin->firstChild;
+ }
+ else
+ pWin = pWin->nextSib;
+ }
+ return pSprite->spriteTrace[pSprite->spriteTraceGood-1];
+}
+
+/**
+ * Ungrab a currently FocusIn grabbed device and grab the device on the
+ * given window. If the win given is the NoneWin, the device is ungrabbed if
+ * applicable and FALSE is returned.
+ *
+ * @returns TRUE if the device has been grabbed, or FALSE otherwise.
+ */
+BOOL
+ActivateFocusInGrab(DeviceIntPtr dev, WindowPtr old, WindowPtr win)
+{
+ BOOL rc = FALSE;
+ DeviceEvent event;
+
+ if (dev->deviceGrab.grab &&
+ dev->deviceGrab.fromPassiveGrab &&
+ dev->deviceGrab.grab->type == XI_Enter)
+ {
+ if (dev->deviceGrab.grab->window == win ||
+ IsParent(dev->deviceGrab.grab->window, win))
+ return FALSE;
+ DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveUngrab);
+ (*dev->deviceGrab.DeactivateGrab)(dev);
+ }
+
+ if (win == NoneWin || win == PointerRootWin)
+ return FALSE;
+
+ memset(&event, 0, sizeof(DeviceEvent));
+ event.header = ET_Internal;
+ event.type = ET_FocusIn;
+ event.length = sizeof(DeviceEvent);
+ event.time = GetTimeInMillis();
+ event.deviceid = dev->id;
+ event.sourceid = dev->id;
+ event.detail.button = 0;
+ rc = CheckPassiveGrabsOnWindow(win, dev, &event, FALSE);
+ if (rc)
+ DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveUngrab);
+ return rc;
+}
+
+/**
+ * Ungrab a currently Enter grabbed device and grab the device for the given
+ * window.
+ *
+ * @returns TRUE if the device has been grabbed, or FALSE otherwise.
+ */
+static BOOL
+ActivateEnterGrab(DeviceIntPtr dev, WindowPtr old, WindowPtr win)
+{
+ BOOL rc = FALSE;
+ DeviceEvent event;
+
+ if (dev->deviceGrab.grab &&
+ dev->deviceGrab.fromPassiveGrab &&
+ dev->deviceGrab.grab->type == XI_Enter)
+ {
+ if (dev->deviceGrab.grab->window == win ||
+ IsParent(dev->deviceGrab.grab->window, win))
+ return FALSE;
+ DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveUngrab);
+ (*dev->deviceGrab.DeactivateGrab)(dev);
+ }
+
+ memset(&event, 0, sizeof(DeviceEvent));
+ event.header = ET_Internal;
+ event.type = ET_Enter;
+ event.length = sizeof(DeviceEvent);
+ event.time = GetTimeInMillis();
+ event.deviceid = dev->id;
+ event.sourceid = dev->id;
+ event.detail.button = 0;
+ rc = CheckPassiveGrabsOnWindow(win, dev, &event, FALSE);
+ if (rc)
+ DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveGrab);
+
+ return rc;
+}
+
+/**
+ * Update the sprite coordinates based on the event. Update the cursor
+ * position, then update the event with the new coordinates that may have been
+ * changed. If the window underneath the sprite has changed, change to new
+ * cursor and send enter/leave events.
+ *
+ * CheckMotion() will not do anything and return FALSE if the event is not a
+ * pointer event.
+ *
+ * @return TRUE if the sprite has moved or FALSE otherwise.
+ */
+Bool
+CheckMotion(DeviceEvent *ev, DeviceIntPtr pDev)
+{
+ WindowPtr prevSpriteWin, newSpriteWin;
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+
+ CHECKEVENT(ev);
+
+ prevSpriteWin = pSprite->win;
+
+ if (ev && !syncEvents.playingEvents)
+ {
+ /* GetPointerEvents() guarantees that pointer events have the correct
+ rootX/Y set already. */
+ switch (ev->type)
+ {
+ case ET_ButtonPress:
+ case ET_ButtonRelease:
+ case ET_Motion:
+ break;
+ default:
+ /* all other events return FALSE */
+ return FALSE;
+ }
+
+
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension)
+ {
+ /* Motion events entering DIX get translated to Screen 0
+ coordinates. Replayed events have already been
+ translated since they've entered DIX before */
+ ev->root_x += panoramiXdataPtr[pSprite->screen->myNum].x -
+ panoramiXdataPtr[0].x;
+ ev->root_y += panoramiXdataPtr[pSprite->screen->myNum].y -
+ panoramiXdataPtr[0].y;
+ } else
+#endif
+ {
+ if (pSprite->hot.pScreen != pSprite->hotPhys.pScreen)
+ {
+ pSprite->hot.pScreen = pSprite->hotPhys.pScreen;
+ RootWindow(pDev) = WindowTable[pSprite->hot.pScreen->myNum];
+ }
+ }
+
+ pSprite->hot.x = ev->root_x;
+ pSprite->hot.y = ev->root_y;
+ if (pSprite->hot.x < pSprite->physLimits.x1)
+ pSprite->hot.x = pSprite->physLimits.x1;
+ else if (pSprite->hot.x >= pSprite->physLimits.x2)
+ pSprite->hot.x = pSprite->physLimits.x2 - 1;
+ if (pSprite->hot.y < pSprite->physLimits.y1)
+ pSprite->hot.y = pSprite->physLimits.y1;
+ else if (pSprite->hot.y >= pSprite->physLimits.y2)
+ pSprite->hot.y = pSprite->physLimits.y2 - 1;
+ if (pSprite->hotShape)
+ ConfineToShape(pDev, pSprite->hotShape, &pSprite->hot.x, &pSprite->hot.y);
+ pSprite->hotPhys = pSprite->hot;
+
+ if ((pSprite->hotPhys.x != ev->root_x) ||
+ (pSprite->hotPhys.y != ev->root_y))
+ {
+#ifdef PANORAMIX
+ if (!noPanoramiXExtension)
+ {
+ XineramaSetCursorPosition(
+ pDev, pSprite->hotPhys.x, pSprite->hotPhys.y, FALSE);
+ } else
+#endif
+ {
+ (*pSprite->hotPhys.pScreen->SetCursorPosition)(
+ pDev, pSprite->hotPhys.pScreen,
+ pSprite->hotPhys.x, pSprite->hotPhys.y, FALSE);
+ }
+ }
+
+ ev->root_x = pSprite->hot.x;
+ ev->root_y = pSprite->hot.y;
+ }
+
+ newSpriteWin = XYToWindow(pDev, pSprite->hot.x, pSprite->hot.y);
+
+ if (newSpriteWin != prevSpriteWin)
+ {
+ int sourceid;
+ if (!ev) {
+ UpdateCurrentTimeIf();
+ sourceid = pDev->id; /* when from WindowsRestructured */
+ } else
+ sourceid = ev->sourceid;
+
+ if (prevSpriteWin != NullWindow) {
+ if (!ActivateEnterGrab(pDev, prevSpriteWin, newSpriteWin))
+ DoEnterLeaveEvents(pDev, sourceid, prevSpriteWin,
+ newSpriteWin, NotifyNormal);
+ }
+ /* set pSprite->win after ActivateEnterGrab, otherwise
+ sprite window == grab_window and no enter/leave events are
+ sent. */
+ pSprite->win = newSpriteWin;
+ PostNewCursor(pDev);
+ return FALSE;
+ }
+ return TRUE;
+}
+
+/**
+ * Windows have restructured, we need to update the sprite position and the
+ * sprite's cursor.
+ */
+void
+WindowsRestructured(void)
+{
+ DeviceIntPtr pDev = inputInfo.devices;
+ while(pDev)
+ {
+ if (IsMaster(pDev) || !pDev->u.master)
+ CheckMotion(NULL, pDev);
+ pDev = pDev->next;
+ }
+}
+
+#ifdef PANORAMIX
+/* This was added to support reconfiguration under Xdmx. The problem is
+ * that if the 0th screen (i.e., WindowTable[0]) is moved to an origin
+ * other than 0,0, the information in the private sprite structure must
+ * be updated accordingly, or XYToWindow (and other routines) will not
+ * compute correctly. */
+void ReinitializeRootWindow(WindowPtr win, int xoff, int yoff)
+{
+ GrabPtr grab;
+ DeviceIntPtr pDev;
+ SpritePtr pSprite;
+
+ if (noPanoramiXExtension) return;
+
+ pDev = inputInfo.devices;
+ while(pDev)
+ {
+ if (DevHasCursor(pDev))
+ {
+ pSprite = pDev->spriteInfo->sprite;
+ pSprite->hot.x -= xoff;
+ pSprite->hot.y -= yoff;
+
+ pSprite->hotPhys.x -= xoff;
+ pSprite->hotPhys.y -= yoff;
+
+ pSprite->hotLimits.x1 -= xoff;
+ pSprite->hotLimits.y1 -= yoff;
+ pSprite->hotLimits.x2 -= xoff;
+ pSprite->hotLimits.y2 -= yoff;
+
+ if (REGION_NOTEMPTY(pSprite->screen, &pSprite->Reg1))
+ REGION_TRANSLATE(pSprite->screen, &pSprite->Reg1, xoff, yoff);
+ if (REGION_NOTEMPTY(pSprite->screen, &pSprite->Reg2))
+ REGION_TRANSLATE(pSprite->screen, &pSprite->Reg2, xoff, yoff);
+
+ /* FIXME: if we call ConfineCursorToWindow, must we do anything else? */
+ if ((grab = pDev->deviceGrab.grab) && grab->confineTo) {
+ if (grab->confineTo->drawable.pScreen
+ != pSprite->hotPhys.pScreen)
+ pSprite->hotPhys.x = pSprite->hotPhys.y = 0;
+ ConfineCursorToWindow(pDev, grab->confineTo, TRUE, TRUE);
+ } else
+ ConfineCursorToWindow(
+ pDev,
+ WindowTable[pSprite->hotPhys.pScreen->myNum],
+ TRUE, FALSE);
+
+ }
+ pDev = pDev->next;
+ }
+}
+#endif
+
+/**
+ * Initialize a sprite for the given device and set it to some sane values. If
+ * the device already has a sprite alloc'd, don't realloc but just reset to
+ * default values.
+ * If a window is supplied, the sprite will be initialized with the window's
+ * cursor and positioned in the center of the window's screen. The root window
+ * is a good choice to pass in here.
+ *
+ * It's a good idea to call it only for pointer devices, unless you have a
+ * really talented keyboard.
+ *
+ * @param pDev The device to initialize.
+ * @param pWin The window where to generate the sprite in.
+ *
+ */
+void
+InitializeSprite(DeviceIntPtr pDev, WindowPtr pWin)
+{
+ SpritePtr pSprite;
+ ScreenPtr pScreen;
+ CursorPtr pCursor;
+
+ if (!pDev->spriteInfo->sprite)
+ {
+ DeviceIntPtr it;
+
+ pDev->spriteInfo->sprite = (SpritePtr)calloc(1, sizeof(SpriteRec));
+ if (!pDev->spriteInfo->sprite)
+ FatalError("InitializeSprite: failed to allocate sprite struct");
+
+ /* We may have paired another device with this device before our
+ * device had a actual sprite. We need to check for this and reset the
+ * sprite field for all paired devices.
+ *
+ * The VCK is always paired with the VCP before the VCP has a sprite.
+ */
+ for (it = inputInfo.devices; it; it = it->next)
+ {
+ if (it->spriteInfo->paired == pDev)
+ it->spriteInfo->sprite = pDev->spriteInfo->sprite;
+ }
+ if (inputInfo.keyboard->spriteInfo->paired == pDev)
+ inputInfo.keyboard->spriteInfo->sprite = pDev->spriteInfo->sprite;
+ }
+
+ pSprite = pDev->spriteInfo->sprite;
+ pDev->spriteInfo->spriteOwner = TRUE;
+
+ pScreen = (pWin) ? pWin->drawable.pScreen : (ScreenPtr)NULL;
+ pSprite->hot.pScreen = pScreen;
+ pSprite->hotPhys.pScreen = pScreen;
+ if (pScreen)
+ {
+ pSprite->hotPhys.x = pScreen->width / 2;
+ pSprite->hotPhys.y = pScreen->height / 2;
+ pSprite->hotLimits.x2 = pScreen->width;
+ pSprite->hotLimits.y2 = pScreen->height;
+ }
+
+ pSprite->hot = pSprite->hotPhys;
+ pSprite->win = pWin;
+
+ if (pWin)
+ {
+ pCursor = wCursor(pWin);
+ pSprite->spriteTrace = (WindowPtr *)calloc(1, 32*sizeof(WindowPtr));
+ if (!pSprite->spriteTrace)
+ FatalError("Failed to allocate spriteTrace");
+ pSprite->spriteTraceSize = 32;
+
+ RootWindow(pDev) = pWin;
+ pSprite->spriteTraceGood = 1;
+
+ pSprite->pEnqueueScreen = pScreen;
+ pSprite->pDequeueScreen = pSprite->pEnqueueScreen;
+
+ } else {
+ pCursor = NullCursor;
+ pSprite->spriteTrace = NULL;
+ pSprite->spriteTraceSize = 0;
+ pSprite->spriteTraceGood = 0;
+ pSprite->pEnqueueScreen = screenInfo.screens[0];
+ pSprite->pDequeueScreen = pSprite->pEnqueueScreen;
+ }
+ if (pCursor)
+ pCursor->refcnt++;
+ if (pSprite->current)
+ FreeCursor(pSprite->current, None);
+ pSprite->current = pCursor;
+
+ if (pScreen)
+ {
+ (*pScreen->RealizeCursor) ( pDev, pScreen, pSprite->current);
+ (*pScreen->CursorLimits) ( pDev, pScreen, pSprite->current,
+ &pSprite->hotLimits, &pSprite->physLimits);
+ pSprite->confined = FALSE;
+
+ (*pScreen->ConstrainCursor) (pDev, pScreen,
+ &pSprite->physLimits);
+ (*pScreen->SetCursorPosition) (pDev, pScreen, pSprite->hot.x,
+ pSprite->hot.y,
+ FALSE);
+ (*pScreen->DisplayCursor) (pDev, pScreen, pSprite->current);
+ }
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension) {
+ pSprite->hotLimits.x1 = -panoramiXdataPtr[0].x;
+ pSprite->hotLimits.y1 = -panoramiXdataPtr[0].y;
+ pSprite->hotLimits.x2 = PanoramiXPixWidth - panoramiXdataPtr[0].x;
+ pSprite->hotLimits.y2 = PanoramiXPixHeight - panoramiXdataPtr[0].y;
+ pSprite->physLimits = pSprite->hotLimits;
+ pSprite->confineWin = NullWindow;
+ pSprite->hotShape = NullRegion;
+ pSprite->screen = pScreen;
+ /* gotta UNINIT these someplace */
+ REGION_NULL(pScreen, &pSprite->Reg1);
+ REGION_NULL(pScreen, &pSprite->Reg2);
+ }
+#endif
+}
+
+/**
+ * Update the mouse sprite info when the server switches from a pScreen to another.
+ * Otherwise, the pScreen of the mouse sprite is never updated when we switch
+ * from a pScreen to another. Never updating the pScreen of the mouse sprite
+ * implies that windows that are in pScreen whose pScreen->myNum >0 will never
+ * get pointer events. This is because in CheckMotion(), sprite.hotPhys.pScreen
+ * always points to the first pScreen it has been set by
+ * DefineInitialRootWindow().
+ *
+ * Calling this function is useful for use cases where the server
+ * has more than one pScreen.
+ * This function is similar to DefineInitialRootWindow() but it does not
+ * reset the mouse pointer position.
+ * @param win must be the new pScreen we are switching to.
+ */
+void
+UpdateSpriteForScreen(DeviceIntPtr pDev, ScreenPtr pScreen)
+{
+ SpritePtr pSprite = NULL;
+ WindowPtr win = NULL;
+ CursorPtr pCursor;
+ if (!pScreen)
+ return ;
+
+ if (!pDev->spriteInfo->sprite)
+ return;
+
+ pSprite = pDev->spriteInfo->sprite;
+
+ win = WindowTable[pScreen->myNum];
+
+ pSprite->hotPhys.pScreen = pScreen;
+ pSprite->hot = pSprite->hotPhys;
+ pSprite->hotLimits.x2 = pScreen->width;
+ pSprite->hotLimits.y2 = pScreen->height;
+ pSprite->win = win;
+ pCursor = wCursor(win);
+ if (pCursor)
+ pCursor->refcnt++;
+ if (pSprite->current)
+ FreeCursor(pSprite->current, 0);
+ pSprite->current = pCursor;
+ pSprite->spriteTraceGood = 1;
+ pSprite->spriteTrace[0] = win;
+ (*pScreen->CursorLimits) (pDev,
+ pScreen,
+ pSprite->current,
+ &pSprite->hotLimits,
+ &pSprite->physLimits);
+ pSprite->confined = FALSE;
+ (*pScreen->ConstrainCursor) (pDev, pScreen, &pSprite->physLimits);
+ (*pScreen->DisplayCursor) (pDev, pScreen, pSprite->current);
+
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension) {
+ pSprite->hotLimits.x1 = -panoramiXdataPtr[0].x;
+ pSprite->hotLimits.y1 = -panoramiXdataPtr[0].y;
+ pSprite->hotLimits.x2 = PanoramiXPixWidth - panoramiXdataPtr[0].x;
+ pSprite->hotLimits.y2 = PanoramiXPixHeight - panoramiXdataPtr[0].y;
+ pSprite->physLimits = pSprite->hotLimits;
+ pSprite->screen = pScreen;
+ }
+#endif
+}
+
+/*
+ * This does not take any shortcuts, and even ignores its argument, since
+ * it does not happen very often, and one has to walk up the tree since
+ * this might be a newly instantiated cursor for an intermediate window
+ * between the one the pointer is in and the one that the last cursor was
+ * instantiated from.
+ */
+void
+WindowHasNewCursor(WindowPtr pWin)
+{
+ DeviceIntPtr pDev;
+
+ for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
+ if (DevHasCursor(pDev))
+ PostNewCursor(pDev);
+}
+
+void
+NewCurrentScreen(DeviceIntPtr pDev, ScreenPtr newScreen, int x, int y)
+{
+ SpritePtr pSprite = pDev->spriteInfo->sprite;
+
+ pSprite->hotPhys.x = x;
+ pSprite->hotPhys.y = y;
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension) {
+ pSprite->hotPhys.x += panoramiXdataPtr[newScreen->myNum].x -
+ panoramiXdataPtr[0].x;
+ pSprite->hotPhys.y += panoramiXdataPtr[newScreen->myNum].y -
+ panoramiXdataPtr[0].y;
+ if (newScreen != pSprite->screen) {
+ pSprite->screen = newScreen;
+ /* Make sure we tell the DDX to update its copy of the screen */
+ if(pSprite->confineWin)
+ XineramaConfineCursorToWindow(pDev,
+ pSprite->confineWin, TRUE);
+ else
+ XineramaConfineCursorToWindow(pDev, WindowTable[0], TRUE);
+ /* if the pointer wasn't confined, the DDX won't get
+ told of the pointer warp so we reposition it here */
+ if(!syncEvents.playingEvents)
+ (*pSprite->screen->SetCursorPosition)(
+ pDev,
+ pSprite->screen,
+ pSprite->hotPhys.x + panoramiXdataPtr[0].x -
+ panoramiXdataPtr[pSprite->screen->myNum].x,
+ pSprite->hotPhys.y + panoramiXdataPtr[0].y -
+ panoramiXdataPtr[pSprite->screen->myNum].y, FALSE);
+ }
+ } else
+#endif
+ if (newScreen != pSprite->hotPhys.pScreen)
+ ConfineCursorToWindow(pDev, WindowTable[newScreen->myNum],
+ TRUE, FALSE);
+}
+
+#ifdef PANORAMIX
+
+static Bool
+XineramaPointInWindowIsVisible(
+ WindowPtr pWin,
+ int x,
+ int y
+)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ BoxRec box;
+ int i, xoff, yoff;
+
+ if (!pWin->realized) return FALSE;
+
+ if (POINT_IN_REGION(pScreen, &pWin->borderClip, x, y, &box))
+ return TRUE;
+
+ if(!XineramaSetWindowPntrs(inputInfo.pointer, pWin)) return FALSE;
+
+ xoff = x + panoramiXdataPtr[0].x;
+ yoff = y + panoramiXdataPtr[0].y;
+
+ for(i = 1; i < PanoramiXNumScreens; i++) {
+ pWin = inputInfo.pointer->spriteInfo->sprite->windows[i];
+ pScreen = pWin->drawable.pScreen;
+ x = xoff - panoramiXdataPtr[i].x;
+ y = yoff - panoramiXdataPtr[i].y;
+
+ if(POINT_IN_REGION(pScreen, &pWin->borderClip, x, y, &box)
+ && (!wInputShape(pWin) ||
+ POINT_IN_REGION(pWin->drawable.pScreen,
+ wInputShape(pWin),
+ x - pWin->drawable.x,
+ y - pWin->drawable.y, &box)))
+ return TRUE;
+
+ }
+
+ return FALSE;
+}
+
+static int
+XineramaWarpPointer(ClientPtr client)
+{
+ WindowPtr dest = NULL;
+ int x, y, rc;
+ SpritePtr pSprite = PickPointer(client)->spriteInfo->sprite;
+
+ REQUEST(xWarpPointerReq);
+
+
+ if (stuff->dstWid != None) {
+ rc = dixLookupWindow(&dest, stuff->dstWid, client, DixReadAccess);
+ if (rc != Success)
+ return rc;
+ }
+ x = pSprite->hotPhys.x;
+ y = pSprite->hotPhys.y;
+
+ if (stuff->srcWid != None)
+ {
+ int winX, winY;
+ XID winID = stuff->srcWid;
+ WindowPtr source;
+
+ rc = dixLookupWindow(&source, winID, client, DixReadAccess);
+ if (rc != Success)
+ return rc;
+
+ winX = source->drawable.x;
+ winY = source->drawable.y;
+ if(source == WindowTable[0]) {
+ winX -= panoramiXdataPtr[0].x;
+ winY -= panoramiXdataPtr[0].y;
+ }
+ if (x < winX + stuff->srcX ||
+ y < winY + stuff->srcY ||
+ (stuff->srcWidth != 0 &&
+ winX + stuff->srcX + (int)stuff->srcWidth < x) ||
+ (stuff->srcHeight != 0 &&
+ winY + stuff->srcY + (int)stuff->srcHeight < y) ||
+ !XineramaPointInWindowIsVisible(source, x, y))
+ return Success;
+ }
+ if (dest) {
+ x = dest->drawable.x;
+ y = dest->drawable.y;
+ if(dest == WindowTable[0]) {
+ x -= panoramiXdataPtr[0].x;
+ y -= panoramiXdataPtr[0].y;
+ }
+ }
+
+ x += stuff->dstX;
+ y += stuff->dstY;
+
+ if (x < pSprite->physLimits.x1)
+ x = pSprite->physLimits.x1;
+ else if (x >= pSprite->physLimits.x2)
+ x = pSprite->physLimits.x2 - 1;
+ if (y < pSprite->physLimits.y1)
+ y = pSprite->physLimits.y1;
+ else if (y >= pSprite->physLimits.y2)
+ y = pSprite->physLimits.y2 - 1;
+ if (pSprite->hotShape)
+ ConfineToShape(PickPointer(client), pSprite->hotShape, &x, &y);
+
+ XineramaSetCursorPosition(PickPointer(client), x, y, TRUE);
+
+ return Success;
+}
+
+#endif
+
+
+/**
+ * Server-side protocol handling for WarpPointer request.
+ * Warps the cursor position to the coordinates given in the request.
+ */
+int
+ProcWarpPointer(ClientPtr client)
+{
+ WindowPtr dest = NULL;
+ int x, y, rc;
+ ScreenPtr newScreen;
+ DeviceIntPtr dev, tmp;
+ SpritePtr pSprite;
+
+ REQUEST(xWarpPointerReq);
+ REQUEST_SIZE_MATCH(xWarpPointerReq);
+
+ dev = PickPointer(client);
+
+ for (tmp = inputInfo.devices; tmp; tmp = tmp->next) {
+ if ((tmp == dev) || (!IsMaster(tmp) && tmp->u.master == dev)) {
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixWriteAccess);
+ if (rc != Success)
+ return rc;
+ }
+ }
+
+ if (dev->u.lastSlave)
+ dev = dev->u.lastSlave;
+ pSprite = dev->spriteInfo->sprite;
+
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension)
+ return XineramaWarpPointer(client);
+#endif
+
+ if (stuff->dstWid != None) {
+ rc = dixLookupWindow(&dest, stuff->dstWid, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+ }
+ x = pSprite->hotPhys.x;
+ y = pSprite->hotPhys.y;
+
+ if (stuff->srcWid != None)
+ {
+ int winX, winY;
+ XID winID = stuff->srcWid;
+ WindowPtr source;
+
+ rc = dixLookupWindow(&source, winID, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ winX = source->drawable.x;
+ winY = source->drawable.y;
+ if (source->drawable.pScreen != pSprite->hotPhys.pScreen ||
+ x < winX + stuff->srcX ||
+ y < winY + stuff->srcY ||
+ (stuff->srcWidth != 0 &&
+ winX + stuff->srcX + (int)stuff->srcWidth < x) ||
+ (stuff->srcHeight != 0 &&
+ winY + stuff->srcY + (int)stuff->srcHeight < y) ||
+ !PointInWindowIsVisible(source, x, y))
+ return Success;
+ }
+ if (dest)
+ {
+ x = dest->drawable.x;
+ y = dest->drawable.y;
+ newScreen = dest->drawable.pScreen;
+ } else
+ newScreen = pSprite->hotPhys.pScreen;
+
+ x += stuff->dstX;
+ y += stuff->dstY;
+
+ if (x < 0)
+ x = 0;
+ else if (x >= newScreen->width)
+ x = newScreen->width - 1;
+ if (y < 0)
+ y = 0;
+ else if (y >= newScreen->height)
+ y = newScreen->height - 1;
+
+ if (newScreen == pSprite->hotPhys.pScreen)
+ {
+ if (x < pSprite->physLimits.x1)
+ x = pSprite->physLimits.x1;
+ else if (x >= pSprite->physLimits.x2)
+ x = pSprite->physLimits.x2 - 1;
+ if (y < pSprite->physLimits.y1)
+ y = pSprite->physLimits.y1;
+ else if (y >= pSprite->physLimits.y2)
+ y = pSprite->physLimits.y2 - 1;
+ if (pSprite->hotShape)
+ ConfineToShape(dev, pSprite->hotShape, &x, &y);
+ (*newScreen->SetCursorPosition)(dev, newScreen, x, y, TRUE);
+ }
+ else if (!PointerConfinedToScreen(dev))
+ {
+ NewCurrentScreen(dev, newScreen, x, y);
+ }
+ return Success;
+}
+
+static Bool
+BorderSizeNotEmpty(DeviceIntPtr pDev, WindowPtr pWin)
+{
+ if(REGION_NOTEMPTY(pDev->spriteInfo->sprite->hotPhys.pScreen, &pWin->borderSize))
+ return TRUE;
+
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && XineramaSetWindowPntrs(pDev, pWin)) {
+ int i;
+
+ for(i = 1; i < PanoramiXNumScreens; i++) {
+ if(REGION_NOTEMPTY(pDev->spriteInfo->sprite->screen,
+ &pDev->spriteInfo->sprite->windows[i]->borderSize))
+ return TRUE;
+ }
+ }
+#endif
+ return FALSE;
+}
+
+/**
+ * "CheckPassiveGrabsOnWindow" checks to see if the event passed in causes a
+ * passive grab set on the window to be activated.
+ * If a passive grab is activated, the event will be delivered to the client.
+ *
+ * @param pWin The window that may be subject to a passive grab.
+ * @param device Device that caused the event.
+ * @param event The current device event.
+ * @param checkCore Check for core grabs too.
+ */
+
+static Bool
+CheckPassiveGrabsOnWindow(
+ WindowPtr pWin,
+ DeviceIntPtr device,
+ DeviceEvent *event,
+ BOOL checkCore)
+{
+ GrabPtr grab = wPassiveGrabs(pWin);
+ GrabRec tempGrab;
+ GrabInfoPtr grabinfo;
+#define CORE_MATCH 0x1
+#define XI_MATCH 0x2
+#define XI2_MATCH 0x4
+ int match = 0;
+
+ if (device->deviceGrab.grab)
+ return FALSE;
+
+ if (!grab)
+ return FALSE;
+ /* Fill out the grab details, but leave the type for later before
+ * comparing */
+ tempGrab.window = pWin;
+ tempGrab.device = device;
+ tempGrab.detail.exact = event->detail.key;
+ tempGrab.detail.pMask = NULL;
+ tempGrab.modifiersDetail.pMask = NULL;
+ tempGrab.next = NULL;
+ for (; grab; grab = grab->next)
+ {
+ DeviceIntPtr gdev;
+ XkbSrvInfoPtr xkbi = NULL;
+ Mask mask = 0;
+
+ gdev= grab->modifierDevice;
+ if (grab->grabtype == GRABTYPE_CORE)
+ {
+ if (IsPointerDevice(device))
+ gdev = GetPairedDevice(device);
+ else
+ gdev = device;
+ } else if (grab->grabtype == GRABTYPE_XI2)
+ {
+ /* if the device is an attached slave device, gdev must be the
+ * attached master keyboard. Since the slave may have been
+ * reattached after the grab, the modifier device may not be the
+ * same. */
+ if (!IsMaster(grab->device) && device->u.master)
+ gdev = GetMaster(device, MASTER_KEYBOARD);
+ }
+
+
+ if (gdev && gdev->key)
+ xkbi= gdev->key->xkbInfo;
+ tempGrab.modifierDevice = grab->modifierDevice;
+ tempGrab.modifiersDetail.exact = xkbi ? xkbi->state.grab_mods : 0;
+
+ /* Check for XI2 and XI grabs first */
+ tempGrab.type = GetXI2Type((InternalEvent*)event);
+ tempGrab.grabtype = GRABTYPE_XI2;
+ if (GrabMatchesSecond(&tempGrab, grab, FALSE))
+ match = XI2_MATCH;
+
+ tempGrab.detail.exact = event->detail.key;
+ if (!match)
+ {
+ tempGrab.type = GetXIType((InternalEvent*)event);
+ tempGrab.grabtype = GRABTYPE_XI;
+ if (GrabMatchesSecond(&tempGrab, grab, FALSE))
+ match = XI_MATCH;
+ }
+
+ /* Check for a core grab (ignore the device when comparing) */
+ if (!match && checkCore)
+ {
+ tempGrab.grabtype = GRABTYPE_CORE;
+ if ((tempGrab.type = GetCoreType((InternalEvent*)event)) &&
+ (GrabMatchesSecond(&tempGrab, grab, TRUE)))
+ match = CORE_MATCH;
+ }
+
+ if (match && (!grab->confineTo ||
+ (grab->confineTo->realized &&
+ BorderSizeNotEmpty(device, grab->confineTo))))
+ {
+ int rc, count = 0;
+ xEvent *xE = NULL;
+ xEvent core;
+
+ event->corestate &= 0x1f00;
+ event->corestate |= tempGrab.modifiersDetail.exact & (~0x1f00);
+ grabinfo = &device->deviceGrab;
+ /* In some cases a passive core grab may exist, but the client
+ * already has a core grab on some other device. In this case we
+ * must not get the grab, otherwise we may never ungrab the
+ * device.
+ */
+
+ if (grab->grabtype == GRABTYPE_CORE)
+ {
+ DeviceIntPtr other;
+ BOOL interfering = FALSE;
+
+ /* A passive grab may have been created for a different device
+ than it is assigned to at this point in time.
+ Update the grab's device and modifier device to reflect the
+ current state.
+ Since XGrabDeviceButton requires to specify the
+ modifierDevice explicitly, we don't override this choice.
+ */
+ if (tempGrab.type < GenericEvent)
+ {
+ grab->device = device;
+ grab->modifierDevice = GetPairedDevice(device);
+ }
+
+ for (other = inputInfo.devices; other; other = other->next)
+ {
+ GrabPtr othergrab = other->deviceGrab.grab;
+ if (othergrab && othergrab->grabtype == GRABTYPE_CORE &&
+ SameClient(grab, rClient(othergrab)) &&
+ ((IsPointerDevice(grab->device) &&
+ IsPointerDevice(othergrab->device)) ||
+ (IsKeyboardDevice(grab->device) &&
+ IsKeyboardDevice(othergrab->device))))
+ {
+ interfering = TRUE;
+ break;
+ }
+ }
+ if (interfering)
+ continue;
+ }
+
+
+ if (match & CORE_MATCH)
+ {
+ rc = EventToCore((InternalEvent*)event, &core);
+ if (rc != Success)
+ {
+ if (rc != BadMatch)
+ ErrorF("[dix] %s: core conversion failed in CPGFW "
+ "(%d, %d).\n", device->name, event->type, rc);
+ continue;
+ }
+ xE = &core;
+ count = 1;
+ mask = grab->eventMask;
+ if (grab->ownerEvents)
+ mask |= pWin->eventMask;
+ } else if (match & XI2_MATCH)
+ {
+ rc = EventToXI2((InternalEvent*)event, &xE);
+ if (rc != Success)
+ {
+ if (rc != BadMatch)
+ ErrorF("[dix] %s: XI2 conversion failed in CPGFW "
+ "(%d, %d).\n", device->name, event->type, rc);
+ continue;
+ }
+ count = 1;
+
+ /* FIXME: EventToXI2 returns NULL for enter events, so
+ * dereferencing the event is bad. Internal event types are
+ * aligned with core events, so the else clause is valid.
+ * long-term we should use internal events for enter/focus
+ * as well */
+ if (xE)
+ mask = grab->xi2mask[device->id][((xGenericEvent*)xE)->evtype/8];
+ else if (event->type == XI_Enter || event->type == XI_FocusIn)
+ mask = grab->xi2mask[device->id][event->type/8];
+
+ if (grab->ownerEvents && wOtherInputMasks(grab->window))
+ {
+ InputClientsPtr icp =
+ wOtherInputMasks(grab->window)->inputClients;
+
+ while(icp)
+ {
+ if (rClient(icp) == rClient(grab))
+ {
+ int evtype = (xE) ? ((xGenericEvent*)xE)->evtype : event->type;
+ mask |= icp->xi2mask[device->id][evtype/8];
+ break;
+ }
+
+ icp = icp->next;
+ }
+ }
+ } else
+ {
+ rc = EventToXI((InternalEvent*)event, &xE, &count);
+ if (rc != Success)
+ {
+ if (rc != BadMatch)
+ ErrorF("[dix] %s: XI conversion failed in CPGFW "
+ "(%d, %d).\n", device->name, event->type, rc);
+ continue;
+ }
+ mask = grab->eventMask;
+ if (grab->ownerEvents && wOtherInputMasks(grab->window))
+ {
+ InputClientsPtr icp =
+ wOtherInputMasks(grab->window)->inputClients;
+
+ while(icp)
+ {
+ if (rClient(icp) == rClient(grab))
+ {
+ mask |= icp->mask[device->id];
+ break;
+ }
+
+ icp = icp->next;
+ }
+ }
+ }
+
+ (*grabinfo->ActivateGrab)(device, grab, currentTime, TRUE);
+
+ if (xE)
+ {
+ FixUpEventFromWindow(device, xE, grab->window, None, TRUE);
+
+ TryClientEvents(rClient(grab), device, xE, count, mask,
+ GetEventFilter(device, xE), grab);
+ }
+
+ if (grabinfo->sync.state == FROZEN_NO_EVENT)
+ {
+ if (!grabinfo->sync.event)
+ grabinfo->sync.event = calloc(1, sizeof(InternalEvent));
+ *grabinfo->sync.event = *event;
+ grabinfo->sync.state = FROZEN_WITH_EVENT;
+ }
+
+ if (match & (XI_MATCH | XI2_MATCH))
+ free(xE); /* on core match xE == &core */
+ return TRUE;
+ }
+ }
+ return FALSE;
+#undef CORE_MATCH
+#undef XI_MATCH
+#undef XI2_MATCH
+}
+
+/**
+ * CheckDeviceGrabs handles both keyboard and pointer events that may cause
+ * a passive grab to be activated.
+ *
+ * If the event is a keyboard event, the ancestors of the focus window are
+ * traced down and tried to see if they have any passive grabs to be
+ * activated. If the focus window itself is reached and it's descendants
+ * contain the pointer, the ancestors of the window that the pointer is in
+ * are then traced down starting at the focus window, otherwise no grabs are
+ * activated.
+ * If the event is a pointer event, the ancestors of the window that the
+ * pointer is in are traced down starting at the root until CheckPassiveGrabs
+ * causes a passive grab to activate or all the windows are
+ * tried. PRH
+ *
+ * If a grab is activated, the event has been sent to the client already!
+ *
+ * The event we pass in must always be an XI event. From this, we then emulate
+ * the core event and then check for grabs.
+ *
+ * @param device The device that caused the event.
+ * @param xE The event to handle (Device{Button|Key}Press).
+ * @param count Number of events in list.
+ * @return TRUE if a grab has been activated or false otherwise.
+*/
+
+Bool
+CheckDeviceGrabs(DeviceIntPtr device, DeviceEvent *event, int checkFirst)
+{
+ int i;
+ WindowPtr pWin = NULL;
+ FocusClassPtr focus = IsPointerEvent((InternalEvent*)event) ? NULL : device->focus;
+ BOOL sendCore = (IsMaster(device) && device->coreEvents);
+
+ if (event->type != ET_ButtonPress &&
+ event->type != ET_KeyPress)
+ return FALSE;
+
+ if (event->type == ET_ButtonPress
+ && (device->button->buttonsDown != 1))
+ return FALSE;
+
+ i = checkFirst;
+
+ if (focus)
+ {
+ for (; i < focus->traceGood; i++)
+ {
+ pWin = focus->trace[i];
+ if (pWin->optional &&
+ CheckPassiveGrabsOnWindow(pWin, device, event, sendCore))
+ return TRUE;
+ }
+
+ if ((focus->win == NoneWin) ||
+ (i >= device->spriteInfo->sprite->spriteTraceGood) ||
+ ((i > checkFirst) &&
+ (pWin != device->spriteInfo->sprite->spriteTrace[i-1])))
+ return FALSE;
+ }
+
+ for (; i < device->spriteInfo->sprite->spriteTraceGood; i++)
+ {
+ pWin = device->spriteInfo->sprite->spriteTrace[i];
+ if (pWin->optional &&
+ CheckPassiveGrabsOnWindow(pWin, device, event, sendCore))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/**
+ * Called for keyboard events to deliver event to whatever client owns the
+ * focus.
+ *
+ * The event is delivered to the keyboard's focus window, the root window or
+ * to the window owning the input focus.
+ *
+ * @param keybd The keyboard originating the event.
+ * @param event The event, not yet in wire format.
+ * @param window Window underneath the sprite.
+ */
+void
+DeliverFocusedEvent(DeviceIntPtr keybd, InternalEvent *event, WindowPtr window)
+{
+ DeviceIntPtr ptr;
+ WindowPtr focus = keybd->focus->win;
+ BOOL sendCore = (IsMaster(keybd) && keybd->coreEvents);
+ xEvent core;
+ xEvent *xE = NULL, *xi2 = NULL;
+ int count, rc;
+ int deliveries = 0;
+
+ if (focus == FollowKeyboardWin)
+ focus = inputInfo.keyboard->focus->win;
+ if (!focus)
+ return;
+ if (focus == PointerRootWin)
+ {
+ DeliverDeviceEvents(window, event, NullGrab, NullWindow, keybd);
+ return;
+ }
+ if ((focus == window) || IsParent(focus, window))
+ {
+ if (DeliverDeviceEvents(window, event, NullGrab, focus, keybd))
+ return;
+ }
+
+ /* just deliver it to the focus window */
+ ptr = GetPairedDevice(keybd);
+
+
+ rc = EventToXI2(event, &xi2);
+ if (rc == Success)
+ {
+ /* XXX: XACE */
+ int filter = GetEventFilter(keybd, xi2);
+ FixUpEventFromWindow(ptr, xi2, focus, None, FALSE);
+ deliveries = DeliverEventsToWindow(keybd, focus, xi2, 1,
+ filter, NullGrab);
+ if (deliveries > 0)
+ goto unwind;
+ } else if (rc != BadMatch)
+ ErrorF("[dix] %s: XI2 conversion failed in DFE (%d, %d). Skipping delivery.\n",
+ keybd->name, event->any.type, rc);
+
+ rc = EventToXI(event, &xE, &count);
+ if (rc == Success &&
+ XaceHook(XACE_SEND_ACCESS, NULL, keybd, focus, xE, count) == Success)
+ {
+ FixUpEventFromWindow(ptr, xE, focus, None, FALSE);
+ deliveries = DeliverEventsToWindow(keybd, focus, xE, count,
+ GetEventFilter(keybd, xE),
+ NullGrab);
+
+ if (deliveries > 0)
+ goto unwind;
+ } else if (rc != BadMatch)
+ ErrorF("[dix] %s: XI conversion failed in DFE (%d, %d). Skipping delivery.\n",
+ keybd->name, event->any.type, rc);
+
+ if (sendCore)
+ {
+ rc = EventToCore(event, &core);
+ if (rc == Success) {
+ if (XaceHook(XACE_SEND_ACCESS, NULL, keybd, focus, &core, 1) == Success) {
+ FixUpEventFromWindow(keybd, &core, focus, None, FALSE);
+ deliveries = DeliverEventsToWindow(keybd, focus, &core, 1,
+ GetEventFilter(keybd, &core),
+ NullGrab);
+ }
+ } else if (rc != BadMatch)
+ ErrorF("[dix] %s: core conversion failed DFE (%d, %d). Skipping delivery.\n",
+ keybd->name, event->any.type, rc);
+ }
+
+unwind:
+ if (xE)
+ free(xE);
+ if (xi2)
+ free(xi2);
+ return;
+}
+
+/**
+ * Deliver an event from a device that is currently grabbed. Uses
+ * DeliverDeviceEvents() for further delivery if a ownerEvents is set on the
+ * grab. If not, TryClientEvents() is used.
+ *
+ * @param deactivateGrab True if the device's grab should be deactivated.
+ */
+void
+DeliverGrabbedEvent(InternalEvent *event, DeviceIntPtr thisDev,
+ Bool deactivateGrab)
+{
+ GrabPtr grab;
+ GrabInfoPtr grabinfo;
+ int deliveries = 0;
+ DeviceIntPtr dev;
+ SpritePtr pSprite = thisDev->spriteInfo->sprite;
+ BOOL sendCore = FALSE;
+ int rc, count = 0;
+ xEvent *xi = NULL;
+ xEvent *xi2 = NULL;
+
+ grabinfo = &thisDev->deviceGrab;
+ grab = grabinfo->grab;
+
+ if (grab->ownerEvents)
+ {
+ WindowPtr focus;
+
+ /* Hack: Some pointer device have a focus class. So we need to check
+ * for the type of event, to see if we really want to deliver it to
+ * the focus window. For pointer events, the answer is no.
+ */
+ if (IsPointerEvent(event))
+ focus = PointerRootWin;
+ else if (thisDev->focus)
+ {
+ focus = thisDev->focus->win;
+ if (focus == FollowKeyboardWin)
+ focus = inputInfo.keyboard->focus->win;
+ }
+ else
+ focus = PointerRootWin;
+ if (focus == PointerRootWin)
+ deliveries = DeliverDeviceEvents(pSprite->win, event, grab,
+ NullWindow, thisDev);
+ else if (focus && (focus == pSprite->win ||
+ IsParent(focus, pSprite->win)))
+ deliveries = DeliverDeviceEvents(pSprite->win, event, grab, focus,
+ thisDev);
+ else if (focus)
+ deliveries = DeliverDeviceEvents(focus, event, grab, focus,
+ thisDev);
+ }
+ if (!deliveries)
+ {
+ Mask mask;
+
+ /* XXX: In theory, we could pass the internal events through to
+ * everything and only convert just before hitting the wire. We can't
+ * do that yet, so DGE is the last stop for internal events. From here
+ * onwards, we deal with core/XI events.
+ */
+
+ mask = grab->eventMask;
+
+ sendCore = (IsMaster(thisDev) && thisDev->coreEvents);
+ /* try core event */
+ if (sendCore && grab->grabtype == GRABTYPE_CORE)
+ {
+ xEvent core;
+
+ rc = EventToCore(event, &core);
+ if (rc == Success)
+ {
+ FixUpEventFromWindow(thisDev, &core, grab->window,
+ None, TRUE);
+ if (XaceHook(XACE_SEND_ACCESS, 0, thisDev,
+ grab->window, &core, 1) ||
+ XaceHook(XACE_RECEIVE_ACCESS, rClient(grab),
+ grab->window, &core, 1))
+ deliveries = 1; /* don't send, but pretend we did */
+ else if (!IsInterferingGrab(rClient(grab), thisDev, &core))
+ {
+ deliveries = TryClientEvents(rClient(grab), thisDev,
+ &core, 1, mask,
+ GetEventFilter(thisDev, &core),
+ grab);
+ }
+ } else if (rc != BadMatch)
+ ErrorF("[dix] DeliverGrabbedEvent. Core conversion failed.\n");
+ }
+
+ if (!deliveries)
+ {
+ rc = EventToXI2(event, &xi2);
+ if (rc == Success)
+ {
+ int evtype = ((xGenericEvent*)xi2)->evtype;
+ mask = grab->xi2mask[XIAllDevices][evtype/8] |
+ grab->xi2mask[XIAllMasterDevices][evtype/8] |
+ grab->xi2mask[thisDev->id][evtype/8];
+ /* try XI2 event */
+ FixUpEventFromWindow(thisDev, xi2, grab->window, None, TRUE);
+ /* XXX: XACE */
+ deliveries = TryClientEvents(rClient(grab), thisDev, xi2, 1, mask,
+ GetEventFilter(thisDev, xi2), grab);
+ } else if (rc != BadMatch)
+ ErrorF("[dix] %s: XI2 conversion failed in DGE (%d, %d). Skipping delivery.\n",
+ thisDev->name, event->any.type, rc);
+ }
+
+ if (!deliveries)
+ {
+ rc = EventToXI(event, &xi, &count);
+ if (rc == Success)
+ {
+ /* try XI event */
+ if (grabinfo->fromPassiveGrab &&
+ grabinfo->implicitGrab)
+ mask = grab->deviceMask;
+ else
+ mask = grab->eventMask;
+
+ FixUpEventFromWindow(thisDev, xi, grab->window,
+ None, TRUE);
+
+ if (XaceHook(XACE_SEND_ACCESS, 0, thisDev,
+ grab->window, xi, count) ||
+ XaceHook(XACE_RECEIVE_ACCESS, rClient(grab),
+ grab->window, xi, count))
+ deliveries = 1; /* don't send, but pretend we did */
+ else
+ {
+ deliveries =
+ TryClientEvents(rClient(grab), thisDev,
+ xi, count,
+ mask,
+ GetEventFilter(thisDev, xi),
+ grab);
+ }
+ } else if (rc != BadMatch)
+ ErrorF("[dix] %s: XI conversion failed in DGE (%d, %d). Skipping delivery.\n",
+ thisDev->name, event->any.type, rc);
+ }
+
+ if (deliveries && (event->any.type == ET_Motion))
+ thisDev->valuator->motionHintWindow = grab->window;
+ }
+ if (deliveries && !deactivateGrab && event->any.type != ET_Motion)
+ {
+ switch (grabinfo->sync.state)
+ {
+ case FREEZE_BOTH_NEXT_EVENT:
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (dev == thisDev)
+ continue;
+ FreezeThaw(dev, TRUE);
+ if ((dev->deviceGrab.sync.state == FREEZE_BOTH_NEXT_EVENT) &&
+ (CLIENT_BITS(grab->resource) ==
+ CLIENT_BITS(dev->deviceGrab.grab->resource)))
+ dev->deviceGrab.sync.state = FROZEN_NO_EVENT;
+ else
+ dev->deviceGrab.sync.other = grab;
+ }
+ /* fall through */
+ case FREEZE_NEXT_EVENT:
+ grabinfo->sync.state = FROZEN_WITH_EVENT;
+ FreezeThaw(thisDev, TRUE);
+ if (!grabinfo->sync.event)
+ grabinfo->sync.event = calloc(1, sizeof(InternalEvent));
+ *grabinfo->sync.event = event->device_event;
+ break;
+ }
+ }
+
+ if (xi)
+ free(xi);
+ if (xi2)
+ free(xi2);
+}
+
+/* This function is used to set the key pressed or key released state -
+ this is only used when the pressing of keys does not cause
+ the device's processInputProc to be called, as in for example Mouse Keys.
+*/
+void
+FixKeyState (DeviceEvent *event, DeviceIntPtr keybd)
+{
+ int key, bit;
+ BYTE *kptr;
+ KeyClassPtr keyc = keybd->key;
+
+ key = event->detail.key;
+ kptr = &keyc->down[key >> 3];
+ bit = 1 << (key & 7);
+
+ if (event->type == ET_KeyPress) {
+ DebugF("FixKeyState: Key %d %s\n",key,
+ ((event->type == ET_KeyPress) ? "down" : "up"));
+ }
+
+ if (event->type == ET_KeyPress)
+ *kptr |= bit;
+ else if (event->type == ET_KeyRelease)
+ *kptr &= ~bit;
+ else
+ FatalError("Impossible keyboard event");
+}
+
+#define AtMostOneClient \
+ (SubstructureRedirectMask | ResizeRedirectMask | ButtonPressMask)
+#define ManagerMask \
+ (SubstructureRedirectMask | ResizeRedirectMask)
+
+/**
+ * Recalculate which events may be deliverable for the given window.
+ * Recalculated mask is used for quicker determination which events may be
+ * delivered to a window.
+ *
+ * The otherEventMasks on a WindowOptional is the combination of all event
+ * masks set by all clients on the window.
+ * deliverableEventMask is the combination of the eventMask and the
+ * otherEventMask plus the events that may be propagated to the parent.
+ *
+ * Traverses to siblings and parents of the window.
+ */
+void
+RecalculateDeliverableEvents(WindowPtr pWin)
+{
+ OtherClients *others;
+ WindowPtr pChild;
+
+ pChild = pWin;
+ while (1)
+ {
+ if (pChild->optional)
+ {
+ pChild->optional->otherEventMasks = 0;
+ for (others = wOtherClients(pChild); others; others = others->next)
+ {
+ pChild->optional->otherEventMasks |= others->mask;
+ }
+ }
+ pChild->deliverableEvents = pChild->eventMask|
+ wOtherEventMasks(pChild);
+ if (pChild->parent)
+ pChild->deliverableEvents |=
+ (pChild->parent->deliverableEvents &
+ ~wDontPropagateMask(pChild) & PropagateMask);
+ if (pChild->firstChild)
+ {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ while (!pChild->nextSib && (pChild != pWin))
+ pChild = pChild->parent;
+ if (pChild == pWin)
+ break;
+ pChild = pChild->nextSib;
+ }
+}
+
+/**
+ *
+ * \param value must conform to DeleteType
+ */
+int
+OtherClientGone(pointer value, XID id)
+{
+ OtherClientsPtr other, prev;
+ WindowPtr pWin = (WindowPtr)value;
+
+ prev = 0;
+ for (other = wOtherClients(pWin); other; other = other->next)
+ {
+ if (other->resource == id)
+ {
+ if (prev)
+ prev->next = other->next;
+ else
+ {
+ if (!(pWin->optional->otherClients = other->next))
+ CheckWindowOptionalNeed (pWin);
+ }
+ free(other);
+ RecalculateDeliverableEvents(pWin);
+ return(Success);
+ }
+ prev = other;
+ }
+ FatalError("client not on event list");
+ /*NOTREACHED*/
+ return -1; /* make compiler happy */
+}
+
+int
+EventSelectForWindow(WindowPtr pWin, ClientPtr client, Mask mask)
+{
+ Mask check;
+ OtherClients * others;
+ DeviceIntPtr dev;
+ int rc;
+
+ if (mask & ~AllEventMasks)
+ {
+ client->errorValue = mask;
+ return BadValue;
+ }
+ check = (mask & ManagerMask);
+ if (check) {
+ rc = XaceHook(XACE_RESOURCE_ACCESS, client, pWin->drawable.id,
+ RT_WINDOW, pWin, RT_NONE, NULL, DixManageAccess);
+ if (rc != Success)
+ return rc;
+ }
+ check = (mask & AtMostOneClient);
+ if (check & (pWin->eventMask|wOtherEventMasks(pWin)))
+ { /* It is illegal for two different
+ clients to select on any of the
+ events for AtMostOneClient. However,
+ it is OK, for some client to
+ continue selecting on one of those
+ events. */
+ if ((wClient(pWin) != client) && (check & pWin->eventMask))
+ return BadAccess;
+ for (others = wOtherClients (pWin); others; others = others->next)
+ {
+ if (!SameClient(others, client) && (check & others->mask))
+ return BadAccess;
+ }
+ }
+ if (wClient (pWin) == client)
+ {
+ check = pWin->eventMask;
+ pWin->eventMask = mask;
+ }
+ else
+ {
+ for (others = wOtherClients (pWin); others; others = others->next)
+ {
+ if (SameClient(others, client))
+ {
+ check = others->mask;
+ if (mask == 0)
+ {
+ FreeResource(others->resource, RT_NONE);
+ return Success;
+ }
+ else
+ others->mask = mask;
+ goto maskSet;
+ }
+ }
+ check = 0;
+ if (!pWin->optional && !MakeWindowOptional (pWin))
+ return BadAlloc;
+ others = malloc(sizeof(OtherClients));
+ if (!others)
+ return BadAlloc;
+ others->mask = mask;
+ others->resource = FakeClientID(client->index);
+ others->next = pWin->optional->otherClients;
+ pWin->optional->otherClients = others;
+ if (!AddResource(others->resource, RT_OTHERCLIENT, (pointer)pWin))
+ return BadAlloc;
+ }
+maskSet:
+ if ((mask & PointerMotionHintMask) && !(check & PointerMotionHintMask))
+ {
+ for (dev = inputInfo.devices; dev; dev = dev->next)
+ {
+ if (dev->valuator && dev->valuator->motionHintWindow == pWin)
+ dev->valuator->motionHintWindow = NullWindow;
+ }
+ }
+ RecalculateDeliverableEvents(pWin);
+ return Success;
+}
+
+int
+EventSuppressForWindow(WindowPtr pWin, ClientPtr client,
+ Mask mask, Bool *checkOptional)
+{
+ int i, free;
+
+ if (mask & ~PropagateMask)
+ {
+ client->errorValue = mask;
+ return BadValue;
+ }
+ if (pWin->dontPropagate)
+ DontPropagateRefCnts[pWin->dontPropagate]--;
+ if (!mask)
+ i = 0;
+ else
+ {
+ for (i = DNPMCOUNT, free = 0; --i > 0; )
+ {
+ if (!DontPropagateRefCnts[i])
+ free = i;
+ else if (mask == DontPropagateMasks[i])
+ break;
+ }
+ if (!i && free)
+ {
+ i = free;
+ DontPropagateMasks[i] = mask;
+ }
+ }
+ if (i || !mask)
+ {
+ pWin->dontPropagate = i;
+ if (i)
+ DontPropagateRefCnts[i]++;
+ if (pWin->optional)
+ {
+ pWin->optional->dontPropagateMask = mask;
+ *checkOptional = TRUE;
+ }
+ }
+ else
+ {
+ if (!pWin->optional && !MakeWindowOptional (pWin))
+ {
+ if (pWin->dontPropagate)
+ DontPropagateRefCnts[pWin->dontPropagate]++;
+ return BadAlloc;
+ }
+ pWin->dontPropagate = 0;
+ pWin->optional->dontPropagateMask = mask;
+ }
+ RecalculateDeliverableEvents(pWin);
+ return Success;
+}
+
+/**
+ * Assembles an EnterNotify or LeaveNotify and sends it event to the client.
+ * Uses the paired keyboard to get some additional information.
+ */
+void
+CoreEnterLeaveEvent(
+ DeviceIntPtr mouse,
+ int type,
+ int mode,
+ int detail,
+ WindowPtr pWin,
+ Window child)
+{
+ xEvent event;
+ WindowPtr focus;
+ DeviceIntPtr keybd;
+ GrabPtr grab = mouse->deviceGrab.grab;
+ Mask mask;
+
+ keybd = GetPairedDevice(mouse);
+
+ if ((pWin == mouse->valuator->motionHintWindow) &&
+ (detail != NotifyInferior))
+ mouse->valuator->motionHintWindow = NullWindow;
+ if (grab)
+ {
+ mask = (pWin == grab->window) ? grab->eventMask : 0;
+ if (grab->ownerEvents)
+ mask |= EventMaskForClient(pWin, rClient(grab));
+ }
+ else
+ {
+ mask = pWin->eventMask | wOtherEventMasks(pWin);
+ }
+
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = type;
+ event.u.u.detail = detail;
+ event.u.enterLeave.time = currentTime.milliseconds;
+ event.u.enterLeave.rootX = mouse->spriteInfo->sprite->hot.x;
+ event.u.enterLeave.rootY = mouse->spriteInfo->sprite->hot.y;
+ /* Counts on the same initial structure of crossing & button events! */
+ FixUpEventFromWindow(mouse, &event, pWin, None, FALSE);
+ /* Enter/Leave events always set child */
+ event.u.enterLeave.child = child;
+ event.u.enterLeave.flags = event.u.keyButtonPointer.sameScreen ?
+ ELFlagSameScreen : 0;
+ event.u.enterLeave.state = mouse->button ? (mouse->button->state & 0x1f00) : 0;
+ if (keybd)
+ event.u.enterLeave.state |=
+ XkbGrabStateFromRec(&keybd->key->xkbInfo->state);
+ event.u.enterLeave.mode = mode;
+ focus = (keybd) ? keybd->focus->win : None;
+ if ((focus != NoneWin) &&
+ ((pWin == focus) || (focus == PointerRootWin) ||
+ IsParent(focus, pWin)))
+ event.u.enterLeave.flags |= ELFlagFocus;
+
+ if ((mask & GetEventFilter(mouse, &event)))
+ {
+ if (grab)
+ TryClientEvents(rClient(grab), mouse, &event, 1, mask,
+ GetEventFilter(mouse, &event), grab);
+ else
+ DeliverEventsToWindow(mouse, pWin, &event, 1,
+ GetEventFilter(mouse, &event),
+ NullGrab);
+ }
+
+ if ((type == EnterNotify) && (mask & KeymapStateMask))
+ {
+ xKeymapEvent ke;
+ ClientPtr client = grab ? rClient(grab) : wClient(pWin);
+ if (XaceHook(XACE_DEVICE_ACCESS, client, keybd, DixReadAccess))
+ bzero((char *)&ke.map[0], 31);
+ else
+ memmove((char *)&ke.map[0], (char *)&keybd->key->down[1], 31);
+
+ ke.type = KeymapNotify;
+ if (grab)
+ TryClientEvents(rClient(grab), keybd, (xEvent *)&ke, 1,
+ mask, KeymapStateMask, grab);
+ else
+ DeliverEventsToWindow(mouse, pWin, (xEvent *)&ke, 1,
+ KeymapStateMask, NullGrab);
+ }
+}
+
+void
+DeviceEnterLeaveEvent(
+ DeviceIntPtr mouse,
+ int sourceid,
+ int type,
+ int mode,
+ int detail,
+ WindowPtr pWin,
+ Window child)
+{
+ GrabPtr grab = mouse->deviceGrab.grab;
+ xXIEnterEvent *event;
+ int filter;
+ int btlen, len, i;
+ DeviceIntPtr kbd;
+
+ if ((mode == XINotifyPassiveGrab && type == XI_Leave) ||
+ (mode == XINotifyPassiveUngrab && type == XI_Enter))
+ return;
+
+ btlen = (mouse->button) ? bits_to_bytes(mouse->button->numButtons) : 0;
+ btlen = bytes_to_int32(btlen);
+ len = sizeof(xXIEnterEvent) + btlen * 4;
+
+ event = calloc(1, len);
+ event->type = GenericEvent;
+ event->extension = IReqCode;
+ event->evtype = type;
+ event->length = (len - sizeof(xEvent))/4;
+ event->buttons_len = btlen;
+ event->detail = detail;
+ event->time = currentTime.milliseconds;
+ event->deviceid = mouse->id;
+ event->sourceid = sourceid;
+ event->mode = mode;
+ event->root_x = FP1616(mouse->spriteInfo->sprite->hot.x, 0);
+ event->root_y = FP1616(mouse->spriteInfo->sprite->hot.y, 0);
+
+ for (i = 0; mouse && mouse->button && i < mouse->button->numButtons; i++)
+ if (BitIsOn(mouse->button->down, i))
+ SetBit(&event[1], i);
+
+ kbd = (IsMaster(mouse) || mouse->u.master) ? GetPairedDevice(mouse) : NULL;
+ if (kbd && kbd->key)
+ {
+ event->mods.base_mods = kbd->key->xkbInfo->state.base_mods;
+ event->mods.latched_mods = kbd->key->xkbInfo->state.latched_mods;
+ event->mods.locked_mods = kbd->key->xkbInfo->state.locked_mods;
+
+ event->group.base_group = kbd->key->xkbInfo->state.base_group;
+ event->group.latched_group = kbd->key->xkbInfo->state.latched_group;
+ event->group.locked_group = kbd->key->xkbInfo->state.locked_group;
+ }
+
+ FixUpEventFromWindow(mouse, (xEvent*)event, pWin, None, FALSE);
+
+ filter = GetEventFilter(mouse, (xEvent*)event);
+
+ if (grab)
+ {
+ Mask mask;
+ mask = grab->xi2mask[XIAllDevices][type/8] |
+ grab->xi2mask[XIAllMasterDevices][type/8] |
+ grab->xi2mask[mouse->id][type/8];
+ TryClientEvents(rClient(grab), mouse, (xEvent*)event, 1, mask,
+ filter, grab);
+ } else {
+ if (!GetWindowXI2Mask(mouse, pWin, (xEvent*)event))
+ goto out;
+ DeliverEventsToWindow(mouse, pWin, (xEvent*)event, 1, filter,
+ NullGrab);
+ }
+
+out:
+ free(event);
+}
+
+void
+CoreFocusEvent(DeviceIntPtr dev, int type, int mode, int detail, WindowPtr pWin)
+{
+ xEvent event;
+
+ memset(&event, 0, sizeof(xEvent));
+ event.u.focus.mode = mode;
+ event.u.u.type = type;
+ event.u.u.detail = detail;
+ event.u.focus.window = pWin->drawable.id;
+
+ DeliverEventsToWindow(dev, pWin, &event, 1,
+ GetEventFilter(dev, &event), NullGrab);
+ if ((type == FocusIn) &&
+ ((pWin->eventMask | wOtherEventMasks(pWin)) & KeymapStateMask))
+ {
+ xKeymapEvent ke;
+ ClientPtr client = wClient(pWin);
+ if (XaceHook(XACE_DEVICE_ACCESS, client, dev, DixReadAccess))
+ bzero((char *)&ke.map[0], 31);
+ else
+ memmove((char *)&ke.map[0], (char *)&dev->key->down[1], 31);
+
+ ke.type = KeymapNotify;
+ DeliverEventsToWindow(dev, pWin, (xEvent *)&ke, 1,
+ KeymapStateMask, NullGrab);
+ }
+}
+
+/**
+ * Set the input focus to the given window. Subsequent keyboard events will be
+ * delivered to the given window.
+ *
+ * Usually called from ProcSetInputFocus as result of a client request. If so,
+ * the device is the inputInfo.keyboard.
+ * If called from ProcXSetInputFocus as result of a client xinput request, the
+ * device is set to the device specified by the client.
+ *
+ * @param client Client that requested input focus change.
+ * @param dev Focus device.
+ * @param focusID The window to obtain the focus. Can be PointerRoot or None.
+ * @param revertTo Specifies where the focus reverts to when window becomes
+ * unviewable.
+ * @param ctime Specifies the time.
+ * @param followOK True if pointer is allowed to follow the keyboard.
+ */
+int
+SetInputFocus(
+ ClientPtr client,
+ DeviceIntPtr dev,
+ Window focusID,
+ CARD8 revertTo,
+ Time ctime,
+ Bool followOK)
+{
+ FocusClassPtr focus;
+ WindowPtr focusWin;
+ int mode, rc;
+ TimeStamp time;
+ DeviceIntPtr keybd; /* used for FollowKeyboard or FollowKeyboardWin */
+
+
+ UpdateCurrentTime();
+ if ((revertTo != RevertToParent) &&
+ (revertTo != RevertToPointerRoot) &&
+ (revertTo != RevertToNone) &&
+ ((revertTo != RevertToFollowKeyboard) || !followOK))
+ {
+ client->errorValue = revertTo;
+ return BadValue;
+ }
+ time = ClientTimeToServerTime(ctime);
+
+ if (IsKeyboardDevice(dev))
+ keybd = dev;
+ else
+ keybd = GetPairedDevice(dev);
+
+ if ((focusID == None) || (focusID == PointerRoot))
+ focusWin = (WindowPtr)(long)focusID;
+ else if ((focusID == FollowKeyboard) && followOK)
+ {
+ focusWin = keybd->focus->win;
+ }
+ else {
+ rc = dixLookupWindow(&focusWin, focusID, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+ /* It is a match error to try to set the input focus to an
+ unviewable window. */
+ if(!focusWin->realized)
+ return(BadMatch);
+ }
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixSetFocusAccess);
+ if (rc != Success)
+ return Success;
+
+ focus = dev->focus;
+ if ((CompareTimeStamps(time, currentTime) == LATER) ||
+ (CompareTimeStamps(time, focus->time) == EARLIER))
+ return Success;
+ mode = (dev->deviceGrab.grab) ? NotifyWhileGrabbed : NotifyNormal;
+ if (focus->win == FollowKeyboardWin)
+ {
+ if (!ActivateFocusInGrab(dev, keybd->focus->win, focusWin))
+ DoFocusEvents(dev, keybd->focus->win, focusWin, mode);
+ } else
+ {
+ if (!ActivateFocusInGrab(dev, focus->win, focusWin))
+ DoFocusEvents(dev, focus->win, focusWin, mode);
+ }
+ focus->time = time;
+ focus->revert = revertTo;
+ if (focusID == FollowKeyboard)
+ focus->win = FollowKeyboardWin;
+ else
+ focus->win = focusWin;
+ if ((focusWin == NoneWin) || (focusWin == PointerRootWin))
+ focus->traceGood = 0;
+ else
+ {
+ int depth = 0;
+ WindowPtr pWin;
+
+ for (pWin = focusWin; pWin; pWin = pWin->parent) depth++;
+ if (depth > focus->traceSize)
+ {
+ focus->traceSize = depth+1;
+ focus->trace = realloc(focus->trace,
+ focus->traceSize * sizeof(WindowPtr));
+ }
+ focus->traceGood = depth;
+ for (pWin = focusWin, depth--; pWin; pWin = pWin->parent, depth--)
+ focus->trace[depth] = pWin;
+ }
+ return Success;
+}
+
+/**
+ * Server-side protocol handling for SetInputFocus request.
+ *
+ * Sets the input focus for the virtual core keyboard.
+ */
+int
+ProcSetInputFocus(ClientPtr client)
+{
+ DeviceIntPtr kbd = PickKeyboard(client);
+ REQUEST(xSetInputFocusReq);
+
+ REQUEST_SIZE_MATCH(xSetInputFocusReq);
+
+ return SetInputFocus(client, kbd, stuff->focus,
+ stuff->revertTo, stuff->time, FALSE);
+}
+
+/**
+ * Server-side protocol handling for GetInputFocus request.
+ *
+ * Sends the current input focus for the client's keyboard back to the
+ * client.
+ */
+int
+ProcGetInputFocus(ClientPtr client)
+{
+ DeviceIntPtr kbd = PickKeyboard(client);
+ xGetInputFocusReply rep;
+ FocusClassPtr focus = kbd->focus;
+ int rc;
+ /* REQUEST(xReq); */
+ REQUEST_SIZE_MATCH(xReq);
+
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, kbd, DixGetFocusAccess);
+ if (rc != Success)
+ return rc;
+
+ memset(&rep, 0, sizeof(xGetInputFocusReply));
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ if (focus->win == NoneWin)
+ rep.focus = None;
+ else if (focus->win == PointerRootWin)
+ rep.focus = PointerRoot;
+ else rep.focus = focus->win->drawable.id;
+ rep.revertTo = focus->revert;
+ WriteReplyToClient(client, sizeof(xGetInputFocusReply), &rep);
+ return Success;
+}
+
+/**
+ * Server-side protocol handling for GrabPointer request.
+ *
+ * Sets an active grab on the client's ClientPointer and returns success
+ * status to client.
+ */
+int
+ProcGrabPointer(ClientPtr client)
+{
+ xGrabPointerReply rep;
+ DeviceIntPtr device = PickPointer(client);
+ GrabPtr grab;
+ GrabMask mask;
+ WindowPtr confineTo;
+ CursorPtr oldCursor;
+ REQUEST(xGrabPointerReq);
+ TimeStamp time;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xGrabPointerReq);
+ UpdateCurrentTime();
+
+ if (stuff->eventMask & ~PointerGrabMask)
+ {
+ client->errorValue = stuff->eventMask;
+ return BadValue;
+ }
+
+ if (stuff->confineTo == None)
+ confineTo = NullWindow;
+ else
+ {
+ rc = dixLookupWindow(&confineTo, stuff->confineTo, client,
+ DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+ }
+
+ memset(&rep, 0, sizeof(xGrabPointerReply));
+ oldCursor = NullCursor;
+ grab = device->deviceGrab.grab;
+
+ if (grab)
+ {
+ if (grab->confineTo && !confineTo)
+ ConfineCursorToWindow(device, RootWindow(device), FALSE, FALSE);
+ oldCursor = grab->cursor;
+ }
+
+ mask.core = stuff->eventMask;
+
+ rc = GrabDevice(client, device, stuff->pointerMode, stuff->keyboardMode,
+ stuff->grabWindow, stuff->ownerEvents, stuff->time,
+ &mask, GRABTYPE_CORE, stuff->cursor,
+ stuff->confineTo, &rep.status);
+ if (rc != Success)
+ return rc;
+
+ if (oldCursor && rep.status == GrabSuccess)
+ FreeCursor (oldCursor, (Cursor)0);
+
+ time = ClientTimeToServerTime(stuff->time);
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+ WriteReplyToClient(client, sizeof(xGrabPointerReply), &rep);
+ return Success;
+}
+
+/**
+ * Server-side protocol handling for ChangeActivePointerGrab request.
+ *
+ * Changes properties of the grab hold by the client. If the client does not
+ * hold an active grab on the device, nothing happens.
+ */
+int
+ProcChangeActivePointerGrab(ClientPtr client)
+{
+ DeviceIntPtr device;
+ GrabPtr grab;
+ CursorPtr newCursor, oldCursor;
+ REQUEST(xChangeActivePointerGrabReq);
+ TimeStamp time;
+
+ REQUEST_SIZE_MATCH(xChangeActivePointerGrabReq);
+ if (stuff->eventMask & ~PointerGrabMask)
+ {
+ client->errorValue = stuff->eventMask;
+ return BadValue;
+ }
+ if (stuff->cursor == None)
+ newCursor = NullCursor;
+ else
+ {
+ int rc = dixLookupResourceByType((pointer *)&newCursor, stuff->cursor,
+ RT_CURSOR, client, DixUseAccess);
+ if (rc != Success)
+ {
+ client->errorValue = stuff->cursor;
+ return (rc == BadValue) ? BadCursor : rc;
+ }
+ }
+
+ device = PickPointer(client);
+ grab = device->deviceGrab.grab;
+
+ if (!grab)
+ return Success;
+ if (!SameClient(grab, client))
+ return Success;
+ time = ClientTimeToServerTime(stuff->time);
+ if ((CompareTimeStamps(time, currentTime) == LATER) ||
+ (CompareTimeStamps(time, device->deviceGrab.grabTime) == EARLIER))
+ return Success;
+ oldCursor = grab->cursor;
+ grab->cursor = newCursor;
+ if (newCursor)
+ newCursor->refcnt++;
+ PostNewCursor(device);
+ if (oldCursor)
+ FreeCursor(oldCursor, (Cursor)0);
+ grab->eventMask = stuff->eventMask;
+ return Success;
+}
+
+/**
+ * Server-side protocol handling for UngrabPointer request.
+ *
+ * Deletes a pointer grab on a device the client has grabbed.
+ */
+int
+ProcUngrabPointer(ClientPtr client)
+{
+ DeviceIntPtr device = PickPointer(client);
+ GrabPtr grab;
+ TimeStamp time;
+ REQUEST(xResourceReq);
+
+ REQUEST_SIZE_MATCH(xResourceReq);
+ UpdateCurrentTime();
+ grab = device->deviceGrab.grab;
+
+ time = ClientTimeToServerTime(stuff->id);
+ if ((CompareTimeStamps(time, currentTime) != LATER) &&
+ (CompareTimeStamps(time, device->deviceGrab.grabTime) != EARLIER) &&
+ (grab) && SameClient(grab, client))
+ (*device->deviceGrab.DeactivateGrab)(device);
+ return Success;
+}
+
+/**
+ * Sets a grab on the given device.
+ *
+ * Called from ProcGrabKeyboard to work on the client's keyboard.
+ * Called from ProcXGrabDevice to work on the device specified by the client.
+ *
+ * The parameters this_mode and other_mode represent the keyboard_mode and
+ * pointer_mode parameters of XGrabKeyboard().
+ * See man page for details on all the parameters
+ *
+ * @param client Client that owns the grab.
+ * @param dev The device to grab.
+ * @param this_mode GrabModeSync or GrabModeAsync
+ * @param other_mode GrabModeSync or GrabModeAsync
+ * @param status Return code to be returned to the caller.
+ *
+ * @returns Success or BadValue.
+ */
+int
+GrabDevice(ClientPtr client, DeviceIntPtr dev,
+ unsigned pointer_mode, unsigned keyboard_mode, Window grabWindow,
+ unsigned ownerEvents, Time ctime, GrabMask *mask,
+ int grabtype, Cursor curs, Window confineToWin, CARD8 *status)
+{
+ WindowPtr pWin, confineTo;
+ GrabPtr grab;
+ TimeStamp time;
+ Mask access_mode = DixGrabAccess;
+ int rc;
+ GrabInfoPtr grabInfo = &dev->deviceGrab;
+ CursorPtr cursor;
+
+ UpdateCurrentTime();
+ if ((keyboard_mode != GrabModeSync) && (keyboard_mode != GrabModeAsync))
+ {
+ client->errorValue = keyboard_mode;
+ return BadValue;
+ }
+ if ((pointer_mode != GrabModeSync) && (pointer_mode != GrabModeAsync))
+ {
+ client->errorValue = pointer_mode;
+ return BadValue;
+ }
+ if ((ownerEvents != xFalse) && (ownerEvents != xTrue))
+ {
+ client->errorValue = ownerEvents;
+ return BadValue;
+ }
+
+ rc = dixLookupWindow(&pWin, grabWindow, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ if (confineToWin == None)
+ confineTo = NullWindow;
+ else
+ {
+ rc = dixLookupWindow(&confineTo, confineToWin, client,
+ DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+ }
+
+ if (curs == None)
+ cursor = NullCursor;
+ else
+ {
+ rc = dixLookupResourceByType((pointer *)&cursor, curs, RT_CURSOR,
+ client, DixUseAccess);
+ if (rc != Success)
+ {
+ client->errorValue = curs;
+ return (rc == BadValue) ? BadCursor : rc;
+ }
+ access_mode |= DixForceAccess;
+ }
+
+ if (keyboard_mode == GrabModeSync || pointer_mode == GrabModeSync)
+ access_mode |= DixFreezeAccess;
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode);
+ if (rc != Success)
+ return rc;
+
+ time = ClientTimeToServerTime(ctime);
+ grab = grabInfo->grab;
+ if (grab && grab->grabtype != grabtype)
+ *status = AlreadyGrabbed;
+ if (grab && !SameClient(grab, client))
+ *status = AlreadyGrabbed;
+ else if ((!pWin->realized) ||
+ (confineTo &&
+ !(confineTo->realized
+ && BorderSizeNotEmpty(dev, confineTo))))
+ *status = GrabNotViewable;
+ else if ((CompareTimeStamps(time, currentTime) == LATER) ||
+ (CompareTimeStamps(time, grabInfo->grabTime) == EARLIER))
+ *status = GrabInvalidTime;
+ else if (grabInfo->sync.frozen &&
+ grabInfo->sync.other && !SameClient(grabInfo->sync.other, client))
+ *status = GrabFrozen;
+ else
+ {
+ GrabRec tempGrab;
+
+ /* Otherwise segfaults happen on grabbed MPX devices */
+ memset(&tempGrab, 0, sizeof(GrabRec));
+
+ tempGrab.next = NULL;
+ tempGrab.window = pWin;
+ tempGrab.resource = client->clientAsMask;
+ tempGrab.ownerEvents = ownerEvents;
+ tempGrab.keyboardMode = keyboard_mode;
+ tempGrab.pointerMode = pointer_mode;
+ if (grabtype == GRABTYPE_CORE)
+ tempGrab.eventMask = mask->core;
+ else if (grabtype == GRABTYPE_XI)
+ tempGrab.eventMask = mask->xi;
+ else
+ memcpy(tempGrab.xi2mask, mask->xi2mask, sizeof(tempGrab.xi2mask));
+ tempGrab.device = dev;
+ tempGrab.cursor = cursor;
+ tempGrab.confineTo = confineTo;
+ tempGrab.grabtype = grabtype;
+ (*grabInfo->ActivateGrab)(dev, &tempGrab, time, FALSE);
+ *status = GrabSuccess;
+ }
+ return Success;
+}
+
+/**
+ * Server-side protocol handling for GrabKeyboard request.
+ *
+ * Grabs the client's keyboard and returns success status to client.
+ */
+int
+ProcGrabKeyboard(ClientPtr client)
+{
+ xGrabKeyboardReply rep;
+ REQUEST(xGrabKeyboardReq);
+ int result;
+ DeviceIntPtr keyboard = PickKeyboard(client);
+ GrabMask mask;
+
+ REQUEST_SIZE_MATCH(xGrabKeyboardReq);
+
+ memset(&rep, 0, sizeof(xGrabKeyboardReply));
+ mask.core = KeyPressMask | KeyReleaseMask;
+
+ result = GrabDevice(client, keyboard, stuff->pointerMode,
+ stuff->keyboardMode, stuff->grabWindow, stuff->ownerEvents,
+ stuff->time, &mask, GRABTYPE_CORE, None, None,
+ &rep.status);
+
+ if (result != Success)
+ return result;
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+ WriteReplyToClient(client, sizeof(xGrabKeyboardReply), &rep);
+ return Success;
+}
+
+/**
+ * Server-side protocol handling for UngrabKeyboard request.
+ *
+ * Deletes a possible grab on the client's keyboard.
+ */
+int
+ProcUngrabKeyboard(ClientPtr client)
+{
+ DeviceIntPtr device = PickKeyboard(client);
+ GrabPtr grab;
+ TimeStamp time;
+ REQUEST(xResourceReq);
+
+ REQUEST_SIZE_MATCH(xResourceReq);
+ UpdateCurrentTime();
+
+ grab = device->deviceGrab.grab;
+
+ time = ClientTimeToServerTime(stuff->id);
+ if ((CompareTimeStamps(time, currentTime) != LATER) &&
+ (CompareTimeStamps(time, device->deviceGrab.grabTime) != EARLIER) &&
+ (grab) && SameClient(grab, client) && grab->grabtype == GRABTYPE_CORE)
+ (*device->deviceGrab.DeactivateGrab)(device);
+ return Success;
+}
+
+/**
+ * Server-side protocol handling for QueryPointer request.
+ *
+ * Returns the current state and position of the client's ClientPointer to the
+ * client.
+ */
+int
+ProcQueryPointer(ClientPtr client)
+{
+ xQueryPointerReply rep;
+ WindowPtr pWin, t;
+ DeviceIntPtr mouse = PickPointer(client);
+ DeviceIntPtr keyboard;
+ SpritePtr pSprite;
+ int rc;
+ REQUEST(xResourceReq);
+ REQUEST_SIZE_MATCH(xResourceReq);
+
+ rc = dixLookupWindow(&pWin, stuff->id, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, mouse, DixReadAccess);
+ if (rc != Success && rc != BadAccess)
+ return rc;
+
+ keyboard = GetPairedDevice(mouse);
+
+ pSprite = mouse->spriteInfo->sprite;
+ if (mouse->valuator->motionHintWindow)
+ MaybeStopHint(mouse, client);
+ memset(&rep, 0, sizeof(xQueryPointerReply));
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.mask = mouse->button ? (mouse->button->state) : 0;
+ rep.mask |= XkbStateFieldFromRec(&keyboard->key->xkbInfo->state);
+ rep.length = 0;
+ rep.root = (RootWindow(mouse))->drawable.id;
+ rep.rootX = pSprite->hot.x;
+ rep.rootY = pSprite->hot.y;
+ rep.child = None;
+ if (pSprite->hot.pScreen == pWin->drawable.pScreen)
+ {
+ rep.sameScreen = xTrue;
+ rep.winX = pSprite->hot.x - pWin->drawable.x;
+ rep.winY = pSprite->hot.y - pWin->drawable.y;
+ for (t = pSprite->win; t; t = t->parent)
+ if (t->parent == pWin)
+ {
+ rep.child = t->drawable.id;
+ break;
+ }
+ }
+ else
+ {
+ rep.sameScreen = xFalse;
+ rep.winX = 0;
+ rep.winY = 0;
+ }
+
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension) {
+ rep.rootX += panoramiXdataPtr[0].x;
+ rep.rootY += panoramiXdataPtr[0].y;
+ if(stuff->id == rep.root) {
+ rep.winX += panoramiXdataPtr[0].x;
+ rep.winY += panoramiXdataPtr[0].y;
+ }
+ }
+#endif
+
+ if (rc == BadAccess) {
+ rep.mask = 0;
+ rep.child = None;
+ rep.rootX = 0;
+ rep.rootY = 0;
+ rep.winX = 0;
+ rep.winY = 0;
+ }
+
+ WriteReplyToClient(client, sizeof(xQueryPointerReply), &rep);
+
+ return(Success);
+}
+
+/**
+ * Initializes the device list and the DIX sprite to sane values. Allocates
+ * trace memory used for quick window traversal.
+ */
+void
+InitEvents(void)
+{
+ int i;
+
+ inputInfo.numDevices = 0;
+ inputInfo.devices = (DeviceIntPtr)NULL;
+ inputInfo.off_devices = (DeviceIntPtr)NULL;
+ inputInfo.keyboard = (DeviceIntPtr)NULL;
+ inputInfo.pointer = (DeviceIntPtr)NULL;
+ /* The mask for pointer motion events may have changed in the last server
+ * generation. See comment above definition of filters. */
+ filters[0][PointerMotionMask] = MotionNotify;
+ for (i = 1; i < MAXDEVICES; i++)
+ {
+ memcpy(&filters[i], filters[0], sizeof(filters[0]));
+ }
+
+ syncEvents.replayDev = (DeviceIntPtr)NULL;
+ syncEvents.replayWin = NullWindow;
+ while (syncEvents.pending)
+ {
+ QdEventPtr next = syncEvents.pending->next;
+ free(syncEvents.pending);
+ syncEvents.pending = next;
+ }
+ syncEvents.pendtail = &syncEvents.pending;
+ syncEvents.playingEvents = FALSE;
+ syncEvents.time.months = 0;
+ syncEvents.time.milliseconds = 0; /* hardly matters */
+ currentTime.months = 0;
+ currentTime.milliseconds = GetTimeInMillis();
+ lastDeviceEventTime = currentTime;
+ for (i = 0; i < DNPMCOUNT; i++)
+ {
+ DontPropagateMasks[i] = 0;
+ DontPropagateRefCnts[i] = 0;
+ }
+
+ InputEventListLen = GetMaximumEventsNum();
+ InputEventList = InitEventList(InputEventListLen);
+ if (!InputEventList)
+ FatalError("[dix] Failed to allocate input event list.\n");
+}
+
+void
+CloseDownEvents(void)
+{
+ FreeEventList(InputEventList, InputEventListLen);
+ InputEventListLen = 0;
+ InputEventList = NULL;
+}
+
+/**
+ * Server-side protocol handling for SendEvent request.
+ *
+ * Locates the window to send the event to and forwards the event.
+ */
+int
+ProcSendEvent(ClientPtr client)
+{
+ WindowPtr pWin;
+ WindowPtr effectiveFocus = NullWindow; /* only set if dest==InputFocus */
+ DeviceIntPtr dev = PickPointer(client);
+ DeviceIntPtr keybd = GetPairedDevice(dev);
+ SpritePtr pSprite = dev->spriteInfo->sprite;
+ REQUEST(xSendEventReq);
+
+ REQUEST_SIZE_MATCH(xSendEventReq);
+
+ /* The client's event type must be a core event type or one defined by an
+ extension. */
+
+ if ( ! ((stuff->event.u.u.type > X_Reply &&
+ stuff->event.u.u.type < LASTEvent) ||
+ (stuff->event.u.u.type >= EXTENSION_EVENT_BASE &&
+ stuff->event.u.u.type < (unsigned)lastEvent)))
+ {
+ client->errorValue = stuff->event.u.u.type;
+ return BadValue;
+ }
+ if (stuff->event.u.u.type == ClientMessage &&
+ stuff->event.u.u.detail != 8 &&
+ stuff->event.u.u.detail != 16 &&
+ stuff->event.u.u.detail != 32)
+ {
+ client->errorValue = stuff->event.u.u.detail;
+ return BadValue;
+ }
+ if (stuff->eventMask & ~AllEventMasks)
+ {
+ client->errorValue = stuff->eventMask;
+ return BadValue;
+ }
+
+ if (stuff->destination == PointerWindow)
+ pWin = pSprite->win;
+ else if (stuff->destination == InputFocus)
+ {
+ WindowPtr inputFocus = (keybd) ? keybd->focus->win : NoneWin;
+
+ if (inputFocus == NoneWin)
+ return Success;
+
+ /* If the input focus is PointerRootWin, send the event to where
+ the pointer is if possible, then perhaps propogate up to root. */
+ if (inputFocus == PointerRootWin)
+ inputFocus = pSprite->spriteTrace[0]; /* Root window! */
+
+ if (IsParent(inputFocus, pSprite->win))
+ {
+ effectiveFocus = inputFocus;
+ pWin = pSprite->win;
+ }
+ else
+ effectiveFocus = pWin = inputFocus;
+ }
+ else
+ dixLookupWindow(&pWin, stuff->destination, client, DixSendAccess);
+
+ if (!pWin)
+ return BadWindow;
+ if ((stuff->propagate != xFalse) && (stuff->propagate != xTrue))
+ {
+ client->errorValue = stuff->propagate;
+ return BadValue;
+ }
+ stuff->event.u.u.type |= 0x80;
+ if (stuff->propagate)
+ {
+ for (;pWin; pWin = pWin->parent)
+ {
+ if (XaceHook(XACE_SEND_ACCESS, client, NULL, pWin,
+ &stuff->event, 1))
+ return Success;
+ if (DeliverEventsToWindow(dev, pWin,
+ &stuff->event, 1, stuff->eventMask, NullGrab))
+ return Success;
+ if (pWin == effectiveFocus)
+ return Success;
+ stuff->eventMask &= ~wDontPropagateMask(pWin);
+ if (!stuff->eventMask)
+ break;
+ }
+ }
+ else if (!XaceHook(XACE_SEND_ACCESS, client, NULL, pWin, &stuff->event, 1))
+ DeliverEventsToWindow(dev, pWin, &stuff->event,
+ 1, stuff->eventMask, NullGrab);
+ return Success;
+}
+
+/**
+ * Server-side protocol handling for UngrabKey request.
+ *
+ * Deletes a passive grab for the given key. Works on the
+ * client's keyboard.
+ */
+int
+ProcUngrabKey(ClientPtr client)
+{
+ REQUEST(xUngrabKeyReq);
+ WindowPtr pWin;
+ GrabRec tempGrab;
+ DeviceIntPtr keybd = PickKeyboard(client);
+ int rc;
+
+ REQUEST_SIZE_MATCH(xUngrabKeyReq);
+ rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ if (((stuff->key > keybd->key->xkbInfo->desc->max_key_code) ||
+ (stuff->key < keybd->key->xkbInfo->desc->min_key_code))
+ && (stuff->key != AnyKey))
+ {
+ client->errorValue = stuff->key;
+ return BadValue;
+ }
+ if ((stuff->modifiers != AnyModifier) &&
+ (stuff->modifiers & ~AllModifiersMask))
+ {
+ client->errorValue = stuff->modifiers;
+ return BadValue;
+ }
+ tempGrab.resource = client->clientAsMask;
+ tempGrab.device = keybd;
+ tempGrab.window = pWin;
+ tempGrab.modifiersDetail.exact = stuff->modifiers;
+ tempGrab.modifiersDetail.pMask = NULL;
+ tempGrab.modifierDevice = GetPairedDevice(keybd);
+ tempGrab.type = KeyPress;
+ tempGrab.grabtype = GRABTYPE_CORE;
+ tempGrab.detail.exact = stuff->key;
+ tempGrab.detail.pMask = NULL;
+ tempGrab.next = NULL;
+
+ if (!DeletePassiveGrabFromList(&tempGrab))
+ return(BadAlloc);
+ return(Success);
+}
+
+/**
+ * Server-side protocol handling for GrabKey request.
+ *
+ * Creates a grab for the client's keyboard and adds it to the list of passive
+ * grabs.
+ */
+int
+ProcGrabKey(ClientPtr client)
+{
+ WindowPtr pWin;
+ REQUEST(xGrabKeyReq);
+ GrabPtr grab;
+ DeviceIntPtr keybd = PickKeyboard(client);
+ int rc;
+ GrabParameters param;
+ GrabMask mask;
+
+ REQUEST_SIZE_MATCH(xGrabKeyReq);
+
+ memset(¶m, 0, sizeof(param));
+ param.grabtype = GRABTYPE_CORE;
+ param.ownerEvents = stuff->ownerEvents;
+ param.this_device_mode = stuff->keyboardMode;
+ param.other_devices_mode = stuff->pointerMode;
+ param.modifiers = stuff->modifiers;
+
+ rc = CheckGrabValues(client, ¶m);
+ if (rc != Success)
+ return rc;
+
+ if (((stuff->key > keybd->key->xkbInfo->desc->max_key_code) ||
+ (stuff->key < keybd->key->xkbInfo->desc->min_key_code))
+ && (stuff->key != AnyKey))
+ {
+ client->errorValue = stuff->key;
+ return BadValue;
+ }
+ rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+
+ mask.core = (KeyPressMask | KeyReleaseMask);
+
+ grab = CreateGrab(client->index, keybd, keybd, pWin, GRABTYPE_CORE, &mask,
+ ¶m, KeyPress, stuff->key, NullWindow, NullCursor);
+ if (!grab)
+ return BadAlloc;
+ return AddPassiveGrabToList(client, grab);
+}
+
+
+/**
+ * Server-side protocol handling for GrabButton request.
+ *
+ * Creates a grab for the client's ClientPointer and adds it as a passive grab
+ * to the list.
+ */
+int
+ProcGrabButton(ClientPtr client)
+{
+ WindowPtr pWin, confineTo;
+ REQUEST(xGrabButtonReq);
+ CursorPtr cursor;
+ GrabPtr grab;
+ DeviceIntPtr ptr, modifierDevice;
+ Mask access_mode = DixGrabAccess;
+ GrabMask mask;
+ GrabParameters param;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xGrabButtonReq);
+ if ((stuff->pointerMode != GrabModeSync) &&
+ (stuff->pointerMode != GrabModeAsync))
+ {
+ client->errorValue = stuff->pointerMode;
+ return BadValue;
+ }
+ if ((stuff->keyboardMode != GrabModeSync) &&
+ (stuff->keyboardMode != GrabModeAsync))
+ {
+ client->errorValue = stuff->keyboardMode;
+ return BadValue;
+ }
+ if ((stuff->modifiers != AnyModifier) &&
+ (stuff->modifiers & ~AllModifiersMask))
+ {
+ client->errorValue = stuff->modifiers;
+ return BadValue;
+ }
+ if ((stuff->ownerEvents != xFalse) && (stuff->ownerEvents != xTrue))
+ {
+ client->errorValue = stuff->ownerEvents;
+ return BadValue;
+ }
+ if (stuff->eventMask & ~PointerGrabMask)
+ {
+ client->errorValue = stuff->eventMask;
+ return BadValue;
+ }
+ rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+ if (stuff->confineTo == None)
+ confineTo = NullWindow;
+ else {
+ rc = dixLookupWindow(&confineTo, stuff->confineTo, client,
+ DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+ }
+ if (stuff->cursor == None)
+ cursor = NullCursor;
+ else
+ {
+ rc = dixLookupResourceByType((pointer *)&cursor, stuff->cursor, RT_CURSOR,
+ client, DixUseAccess);
+ if (rc != Success)
+ {
+ client->errorValue = stuff->cursor;
+ return (rc == BadValue) ? BadCursor : rc;
+ }
+ access_mode |= DixForceAccess;
+ }
+
+ ptr = PickPointer(client);
+ modifierDevice = GetPairedDevice(ptr);
+ if (stuff->pointerMode == GrabModeSync ||
+ stuff->keyboardMode == GrabModeSync)
+ access_mode |= DixFreezeAccess;
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, ptr, access_mode);
+ if (rc != Success)
+ return rc;
+
+ memset(¶m, 0, sizeof(param));
+ param.grabtype = GRABTYPE_CORE;
+ param.ownerEvents = stuff->ownerEvents;
+ param.this_device_mode = stuff->keyboardMode;
+ param.other_devices_mode = stuff->pointerMode;
+ param.modifiers = stuff->modifiers;
+
+ mask.core = stuff->eventMask;
+
+ grab = CreateGrab(client->index, ptr, modifierDevice, pWin,
+ GRABTYPE_CORE, &mask, ¶m, ButtonPress,
+ stuff->button, confineTo, cursor);
+ if (!grab)
+ return BadAlloc;
+ return AddPassiveGrabToList(client, grab);
+}
+
+/**
+ * Server-side protocol handling for UngrabButton request.
+ *
+ * Deletes a passive grab on the client's ClientPointer from the list.
+ */
+int
+ProcUngrabButton(ClientPtr client)
+{
+ REQUEST(xUngrabButtonReq);
+ WindowPtr pWin;
+ GrabRec tempGrab;
+ int rc;
+ DeviceIntPtr ptr;
+
+ REQUEST_SIZE_MATCH(xUngrabButtonReq);
+ if ((stuff->modifiers != AnyModifier) &&
+ (stuff->modifiers & ~AllModifiersMask))
+ {
+ client->errorValue = stuff->modifiers;
+ return BadValue;
+ }
+ rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixReadAccess);
+ if (rc != Success)
+ return rc;
+
+ ptr = PickPointer(client);
+
+ tempGrab.resource = client->clientAsMask;
+ tempGrab.device = ptr;
+ tempGrab.window = pWin;
+ tempGrab.modifiersDetail.exact = stuff->modifiers;
+ tempGrab.modifiersDetail.pMask = NULL;
+ tempGrab.modifierDevice = GetPairedDevice(ptr);
+ tempGrab.type = ButtonPress;
+ tempGrab.detail.exact = stuff->button;
+ tempGrab.grabtype = GRABTYPE_CORE;
+ tempGrab.detail.pMask = NULL;
+ tempGrab.next = NULL;
+
+ if (!DeletePassiveGrabFromList(&tempGrab))
+ return(BadAlloc);
+ return(Success);
+}
+
+/**
+ * Deactivate any grab that may be on the window, remove the focus.
+ * Delete any XInput extension events from the window too. Does not change the
+ * window mask. Use just before the window is deleted.
+ *
+ * If freeResources is set, passive grabs on the window are deleted.
+ *
+ * @param pWin The window to delete events from.
+ * @param freeResources True if resources associated with the window should be
+ * deleted.
+ */
+void
+DeleteWindowFromAnyEvents(WindowPtr pWin, Bool freeResources)
+{
+ WindowPtr parent;
+ DeviceIntPtr mouse = inputInfo.pointer;
+ DeviceIntPtr keybd = inputInfo.keyboard;
+ FocusClassPtr focus;
+ OtherClientsPtr oc;
+ GrabPtr passive;
+ GrabPtr grab;
+
+
+ /* Deactivate any grabs performed on this window, before making any
+ input focus changes. */
+ grab = mouse->deviceGrab.grab;
+ if (grab &&
+ ((grab->window == pWin) || (grab->confineTo == pWin)))
+ (*mouse->deviceGrab.DeactivateGrab)(mouse);
+
+
+ /* Deactivating a keyboard grab should cause focus events. */
+ grab = keybd->deviceGrab.grab;
+ if (grab && (grab->window == pWin))
+ (*keybd->deviceGrab.DeactivateGrab)(keybd);
+
+ /* And now the real devices */
+ for (mouse = inputInfo.devices; mouse; mouse = mouse->next)
+ {
+ grab = mouse->deviceGrab.grab;
+ if (grab && ((grab->window == pWin) || (grab->confineTo == pWin)))
+ (*mouse->deviceGrab.DeactivateGrab)(mouse);
+ }
+
+
+ for (keybd = inputInfo.devices; keybd; keybd = keybd->next)
+ {
+ if (IsKeyboardDevice(keybd))
+ {
+ focus = keybd->focus;
+
+ /* If the focus window is a root window (ie. has no parent) then don't
+ delete the focus from it. */
+
+ if ((pWin == focus->win) && (pWin->parent != NullWindow))
+ {
+ int focusEventMode = NotifyNormal;
+
+ /* If a grab is in progress, then alter the mode of focus events. */
+
+ if (keybd->deviceGrab.grab)
+ focusEventMode = NotifyWhileGrabbed;
+
+ switch (focus->revert)
+ {
+ case RevertToNone:
+ DoFocusEvents(keybd, pWin, NoneWin, focusEventMode);
+ focus->win = NoneWin;
+ focus->traceGood = 0;
+ break;
+ case RevertToParent:
+ parent = pWin;
+ do
+ {
+ parent = parent->parent;
+ focus->traceGood--;
+ } while (!parent->realized
+ /* This would be a good protocol change -- windows being reparented
+ during SaveSet processing would cause the focus to revert to the
+ nearest enclosing window which will survive the death of the exiting
+ client, instead of ending up reverting to a dying window and thence
+ to None
+ */
+#ifdef NOTDEF
+ || wClient(parent)->clientGone
+#endif
+ );
+ if (!ActivateFocusInGrab(keybd, pWin, parent))
+ DoFocusEvents(keybd, pWin, parent, focusEventMode);
+ focus->win = parent;
+ focus->revert = RevertToNone;
+ break;
+ case RevertToPointerRoot:
+ if (!ActivateFocusInGrab(keybd, pWin, PointerRootWin))
+ DoFocusEvents(keybd, pWin, PointerRootWin, focusEventMode);
+ focus->win = PointerRootWin;
+ focus->traceGood = 0;
+ break;
+ }
+ }
+ }
+
+ if (IsPointerDevice(keybd))
+ {
+ if (keybd->valuator->motionHintWindow == pWin)
+ keybd->valuator->motionHintWindow = NullWindow;
+ }
+ }
+
+ if (freeResources)
+ {
+ if (pWin->dontPropagate)
+ DontPropagateRefCnts[pWin->dontPropagate]--;
+ while ( (oc = wOtherClients(pWin)) )
+ FreeResource(oc->resource, RT_NONE);
+ while ( (passive = wPassiveGrabs(pWin)) )
+ FreeResource(passive->resource, RT_NONE);
+ }
+
+ DeleteWindowFromAnyExtEvents(pWin, freeResources);
+}
+
+/**
+ * Call this whenever some window at or below pWin has changed geometry. If
+ * there is a grab on the window, the cursor will be re-confined into the
+ * window.
+ */
+void
+CheckCursorConfinement(WindowPtr pWin)
+{
+ GrabPtr grab;
+ WindowPtr confineTo;
+ DeviceIntPtr pDev;
+
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum) return;
+#endif
+
+ for (pDev = inputInfo.devices; pDev; pDev = pDev->next)
+ {
+ if (DevHasCursor(pDev))
+ {
+ grab = pDev->deviceGrab.grab;
+ if (grab && (confineTo = grab->confineTo))
+ {
+ if (!BorderSizeNotEmpty(pDev, confineTo))
+ (*pDev->deviceGrab.DeactivateGrab)(pDev);
+ else if ((pWin == confineTo) || IsParent(pWin, confineTo))
+ ConfineCursorToWindow(pDev, confineTo, TRUE, TRUE);
+ }
+ }
+ }
+}
+
+Mask
+EventMaskForClient(WindowPtr pWin, ClientPtr client)
+{
+ OtherClientsPtr other;
+
+ if (wClient (pWin) == client)
+ return pWin->eventMask;
+ for (other = wOtherClients(pWin); other; other = other->next)
+ {
+ if (SameClient(other, client))
+ return other->mask;
+ }
+ return 0;
+}
+
+/**
+ * Server-side protocol handling for RecolorCursor request.
+ */
+int
+ProcRecolorCursor(ClientPtr client)
+{
+ CursorPtr pCursor;
+ int rc, nscr;
+ ScreenPtr pscr;
+ Bool displayed;
+ SpritePtr pSprite = PickPointer(client)->spriteInfo->sprite;
+ REQUEST(xRecolorCursorReq);
+
+ REQUEST_SIZE_MATCH(xRecolorCursorReq);
+ rc = dixLookupResourceByType((pointer *)&pCursor, stuff->cursor, RT_CURSOR,
+ client, DixWriteAccess);
+ if (rc != Success)
+ {
+ client->errorValue = stuff->cursor;
+ return (rc == BadValue) ? BadCursor : rc;
+ }
+
+ pCursor->foreRed = stuff->foreRed;
+ pCursor->foreGreen = stuff->foreGreen;
+ pCursor->foreBlue = stuff->foreBlue;
+
+ pCursor->backRed = stuff->backRed;
+ pCursor->backGreen = stuff->backGreen;
+ pCursor->backBlue = stuff->backBlue;
+
+ for (nscr = 0; nscr < screenInfo.numScreens; nscr++)
+ {
+ pscr = screenInfo.screens[nscr];
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension)
+ displayed = (pscr == pSprite->screen);
+ else
+#endif
+ displayed = (pscr == pSprite->hotPhys.pScreen);
+ ( *pscr->RecolorCursor)(PickPointer(client), pscr, pCursor,
+ (pCursor == pSprite->current) && displayed);
+ }
+ return (Success);
+}
+
+/**
+ * Write the given events to a client, swapping the byte order if necessary.
+ * To swap the byte ordering, a callback is called that has to be set up for
+ * the given event type.
+ *
+ * In the case of DeviceMotionNotify trailed by DeviceValuators, the events
+ * can be more than one. Usually it's just one event.
+ *
+ * Do not modify the event structure passed in. See comment below.
+ *
+ * @param pClient Client to send events to.
+ * @param count Number of events.
+ * @param events The event list.
+ */
+void
+WriteEventsToClient(ClientPtr pClient, int count, xEvent *events)
+{
+#ifdef PANORAMIX
+ xEvent eventCopy;
+#endif
+ xEvent *eventTo, *eventFrom;
+ int i,
+ eventlength = sizeof(xEvent);
+
+ /* Let XKB rewrite the state, as it depends on client preferences. */
+ XkbFilterEvents(pClient, count, events);
+
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension &&
+ (panoramiXdataPtr[0].x || panoramiXdataPtr[0].y))
+ {
+ switch(events->u.u.type) {
+ case MotionNotify:
+ case ButtonPress:
+ case ButtonRelease:
+ case KeyPress:
+ case KeyRelease:
+ case EnterNotify:
+ case LeaveNotify:
+ /*
+ When multiple clients want the same event DeliverEventsToWindow
+ passes the same event structure multiple times so we can't
+ modify the one passed to us
+ */
+ count = 1; /* should always be 1 */
+ memcpy(&eventCopy, events, sizeof(xEvent));
+ eventCopy.u.keyButtonPointer.rootX += panoramiXdataPtr[0].x;
+ eventCopy.u.keyButtonPointer.rootY += panoramiXdataPtr[0].y;
+ if(eventCopy.u.keyButtonPointer.event ==
+ eventCopy.u.keyButtonPointer.root)
+ {
+ eventCopy.u.keyButtonPointer.eventX += panoramiXdataPtr[0].x;
+ eventCopy.u.keyButtonPointer.eventY += panoramiXdataPtr[0].y;
+ }
+ events = &eventCopy;
+ break;
+ default: break;
+ }
+ }
+#endif
+
+ if (EventCallback)
+ {
+ EventInfoRec eventinfo;
+ eventinfo.client = pClient;
+ eventinfo.events = events;
+ eventinfo.count = count;
+ CallCallbacks(&EventCallback, (pointer)&eventinfo);
+ }
+#ifdef XSERVER_DTRACE
+ if (XSERVER_SEND_EVENT_ENABLED()) {
+ for (i = 0; i < count; i++)
+ {
+ XSERVER_SEND_EVENT(pClient->index, events[i].u.u.type, &events[i]);
+ }
+ }
+#endif
+ /* Just a safety check to make sure we only have one GenericEvent, it just
+ * makes things easier for me right now. (whot) */
+ for (i = 1; i < count; i++)
+ {
+ if (events[i].u.u.type == GenericEvent)
+ {
+ ErrorF("[dix] TryClientEvents: Only one GenericEvent at a time.\n");
+ return;
+ }
+ }
+
+ if (events->u.u.type == GenericEvent)
+ {
+ eventlength += ((xGenericEvent*)events)->length * 4;
+ }
+
+ if(pClient->swapped)
+ {
+ if (eventlength > swapEventLen)
+ {
+ swapEventLen = eventlength;
+ swapEvent = realloc(swapEvent, swapEventLen);
+ if (!swapEvent)
+ {
+ FatalError("WriteEventsToClient: Out of memory.\n");
+ return;
+ }
+ }
+
+ for(i = 0; i < count; i++)
+ {
+ eventFrom = &events[i];
+ eventTo = swapEvent;
+
+ /* Remember to strip off the leading bit of type in case
+ this event was sent with "SendEvent." */
+ (*EventSwapVector[eventFrom->u.u.type & 0177])
+ (eventFrom, eventTo);
+
+ WriteToClient(pClient, eventlength, (char *)eventTo);
+ }
+ }
+ else
+ {
+ /* only one GenericEvent, remember? that means either count is 1 and
+ * eventlength is arbitrary or eventlength is 32 and count doesn't
+ * matter. And we're all set. Woohoo. */
+ WriteToClient(pClient, count * eventlength, (char *) events);
+ }
+}
+
+/*
+ * Set the client pointer for the given client.
+ *
+ * A client can have exactly one ClientPointer. Each time a
+ * request/reply/event is processed and the choice of devices is ambiguous
+ * (e.g. QueryPointer request), the server will pick the ClientPointer (see
+ * PickPointer()).
+ * If a keyboard is needed, the first keyboard paired with the CP is used.
+ */
+int
+SetClientPointer(ClientPtr client, DeviceIntPtr device)
+{
+ int rc = XaceHook(XACE_DEVICE_ACCESS, client, device, DixUseAccess);
+ if (rc != Success)
+ return rc;
+
+ if (!IsMaster(device))
+ {
+ ErrorF("[dix] Need master device for ClientPointer. This is a bug.\n");
+ return BadDevice;
+ } else if (!device->spriteInfo->spriteOwner)
+ {
+ ErrorF("[dix] Device %d does not have a sprite. "
+ "Cannot be ClientPointer\n", device->id);
+ return BadDevice;
+ }
+ client->clientPtr = device;
+ return Success;
+}
+
+/* PickPointer will pick an appropriate pointer for the given client.
+ *
+ * An "appropriate device" is (in order of priority):
+ * 1) A device the given client has a core grab on.
+ * 2) A device set as ClientPointer for the given client.
+ * 3) The first master device.
+ */
+DeviceIntPtr
+PickPointer(ClientPtr client)
+{
+ DeviceIntPtr it = inputInfo.devices;
+
+ /* First, check if the client currently has a grab on a device. Even
+ * keyboards count. */
+ for(it = inputInfo.devices; it; it = it->next)
+ {
+ GrabPtr grab = it->deviceGrab.grab;
+ if (grab && grab->grabtype == GRABTYPE_CORE && SameClient(grab, client))
+ {
+ it = GetMaster(it, MASTER_POINTER);
+ return it; /* Always return a core grabbed device */
+ }
+ }
+
+ if (!client->clientPtr)
+ {
+ DeviceIntPtr it = inputInfo.devices;
+ while (it)
+ {
+ if (IsMaster(it) && it->spriteInfo->spriteOwner)
+ {
+ client->clientPtr = it;
+ break;
+ }
+ it = it->next;
+ }
+ }
+ return client->clientPtr;
+}
+
+/* PickKeyboard will pick an appropriate keyboard for the given client by
+ * searching the list of devices for the keyboard device that is paired with
+ * the client's pointer.
+ */
+DeviceIntPtr
+PickKeyboard(ClientPtr client)
+{
+ DeviceIntPtr ptr = PickPointer(client);
+ DeviceIntPtr kbd = GetMaster(ptr, MASTER_KEYBOARD);
+
+ if (!kbd)
+ {
+ ErrorF("[dix] ClientPointer not paired with a keyboard. This "
+ "is a bug.\n");
+ }
+
+ return kbd;
+}
+
+/* A client that has one or more core grabs does not get core events from
+ * devices it does not have a grab on. Legacy applications behave bad
+ * otherwise because they are not used to it and the events interfere.
+ * Only applies for core events.
+ *
+ * Return true if a core event from the device would interfere and should not
+ * be delivered.
+ */
+Bool
+IsInterferingGrab(ClientPtr client, DeviceIntPtr dev, xEvent* event)
+{
+ DeviceIntPtr it = inputInfo.devices;
+
+ switch(event->u.u.type)
+ {
+ case KeyPress:
+ case KeyRelease:
+ case ButtonPress:
+ case ButtonRelease:
+ case MotionNotify:
+ case EnterNotify:
+ case LeaveNotify:
+ break;
+ default:
+ return FALSE;
+ }
+
+ if (dev->deviceGrab.grab && SameClient(dev->deviceGrab.grab, client))
+ return FALSE;
+
+ while(it)
+ {
+ if (it != dev)
+ {
+ if (it->deviceGrab.grab && SameClient(it->deviceGrab.grab, client)
+ && !it->deviceGrab.fromPassiveGrab)
+ {
+ if ((IsPointerDevice(it) && IsPointerDevice(dev)) ||
+ (IsKeyboardDevice(it) && IsKeyboardDevice(dev)))
+ return TRUE;
+ }
+ }
+ it = it->next;
+ }
+
+ return FALSE;
+}
+
diff --git a/xorg-server/dix/extension.c b/xorg-server/dix/extension.c index f34866586..57aef003f 100644 --- a/xorg-server/dix/extension.c +++ b/xorg-server/dix/extension.c @@ -1,358 +1,358 @@ -/*********************************************************** - -Copyright 1987, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <X11/X.h> -#include <X11/Xproto.h> -#include "misc.h" -#include "dixstruct.h" -#include "extnsionst.h" -#include "gcstruct.h" -#include "scrnintstr.h" -#include "dispatch.h" -#include "privates.h" -#include "registry.h" -#include "xace.h" - -#define LAST_EVENT 128 -#define LAST_ERROR 255 - -static ExtensionEntry **extensions = (ExtensionEntry **)NULL; - -int lastEvent = EXTENSION_EVENT_BASE; -static int lastError = FirstExtensionError; -static unsigned int NumExtensions = 0; - -ExtensionEntry * -AddExtension(char *name, int NumEvents, int NumErrors, - int (*MainProc)(ClientPtr c1), - int (*SwappedMainProc)(ClientPtr c2), - void (*CloseDownProc)(ExtensionEntry *e), - unsigned short (*MinorOpcodeProc)(ClientPtr c3)) -{ - int i; - ExtensionEntry *ext, **newexts; - - if (!MainProc || !SwappedMainProc || !MinorOpcodeProc) - return((ExtensionEntry *) NULL); - if ((lastEvent + NumEvents > LAST_EVENT) || - (unsigned)(lastError + NumErrors > LAST_ERROR)) { - LogMessage(X_ERROR, "Not enabling extension %s: maximum number of " - "events or errors exceeded.\n", name); - return((ExtensionEntry *) NULL); - } - - ext = xalloc(sizeof(ExtensionEntry)); - if (!ext) - return(NULL); - ext->name = xalloc(strlen(name) + 1); - ext->num_aliases = 0; - ext->aliases = (char **)NULL; - ext->devPrivates = NULL; - if (!ext->name) - { - xfree(ext); - return((ExtensionEntry *) NULL); - } - strcpy(ext->name, name); - i = NumExtensions; - newexts = (ExtensionEntry **) xrealloc(extensions, - (i + 1) * sizeof(ExtensionEntry *)); - if (!newexts) - { - xfree(ext->name); - xfree(ext); - return((ExtensionEntry *) NULL); - } - NumExtensions++; - extensions = newexts; - extensions[i] = ext; - ext->index = i; - ext->base = i + EXTENSION_BASE; - ext->CloseDown = CloseDownProc; - ext->MinorOpcode = MinorOpcodeProc; - ProcVector[i + EXTENSION_BASE] = MainProc; - SwappedProcVector[i + EXTENSION_BASE] = SwappedMainProc; - if (NumEvents) - { - ext->eventBase = lastEvent; - ext->eventLast = lastEvent + NumEvents; - lastEvent += NumEvents; - } - else - { - ext->eventBase = 0; - ext->eventLast = 0; - } - if (NumErrors) - { - ext->errorBase = lastError; - ext->errorLast = lastError + NumErrors; - lastError += NumErrors; - } - else - { - ext->errorBase = 0; - ext->errorLast = 0; - } - - RegisterExtensionNames(ext); - return(ext); -} - -Bool AddExtensionAlias(char *alias, ExtensionEntry *ext) -{ - char *name; - char **aliases; - - if (!ext) - return FALSE ; - aliases = (char **)xrealloc(ext->aliases, - (ext->num_aliases + 1) * sizeof(char *)); - if (!aliases) - return FALSE; - ext->aliases = aliases; - name = xalloc(strlen(alias) + 1); - if (!name) - return FALSE; - strcpy(name, alias); - ext->aliases[ext->num_aliases] = name; - ext->num_aliases++; - return TRUE; -} - -static int -FindExtension(char *extname, int len) -{ - int i, j; - - for (i=0; i<NumExtensions; i++) - { - if ((strlen(extensions[i]->name) == len) && - !strncmp(extname, extensions[i]->name, len)) - break; - for (j = extensions[i]->num_aliases; --j >= 0;) - { - if ((strlen(extensions[i]->aliases[j]) == len) && - !strncmp(extname, extensions[i]->aliases[j], len)) - break; - } - if (j >= 0) break; - } - return ((i == NumExtensions) ? -1 : i); -} - -/* - * CheckExtension returns the extensions[] entry for the requested - * extension name. Maybe this could just return a Bool instead? - */ -ExtensionEntry * -CheckExtension(const char *extname) -{ - int n; - - n = FindExtension((char*)extname, strlen(extname)); - if (n != -1) - return extensions[n]; - else - return NULL; -} - -/* - * Added as part of Xace. - */ -ExtensionEntry * -GetExtensionEntry(int major) -{ - if (major < EXTENSION_BASE) - return NULL; - major -= EXTENSION_BASE; - if (major >= NumExtensions) - return NULL; - return extensions[major]; -} - -unsigned short -StandardMinorOpcode(ClientPtr client) -{ - return ((xReq *)client->requestBuffer)->data; -} - -unsigned short -MinorOpcodeOfRequest(ClientPtr client) -{ - unsigned char major; - - major = ((xReq *)client->requestBuffer)->reqType; - if (major < EXTENSION_BASE) - return 0; - major -= EXTENSION_BASE; - if (major >= NumExtensions) - return 0; - return (*extensions[major]->MinorOpcode)(client); -} - -void -CloseDownExtensions(void) -{ - int i,j; - - for (i = NumExtensions - 1; i >= 0; i--) - { - if (extensions[i]->CloseDown) - extensions[i]->CloseDown(extensions[i]); - NumExtensions = i; - xfree(extensions[i]->name); - for (j = extensions[i]->num_aliases; --j >= 0;) - xfree(extensions[i]->aliases[j]); - xfree(extensions[i]->aliases); - dixFreePrivates(extensions[i]->devPrivates); - xfree(extensions[i]); - } - xfree(extensions); - extensions = (ExtensionEntry **)NULL; - lastEvent = EXTENSION_EVENT_BASE; - lastError = FirstExtensionError; -} - -int -ProcQueryExtension(ClientPtr client) -{ - xQueryExtensionReply reply; - int i; - REQUEST(xQueryExtensionReq); - - REQUEST_FIXED_SIZE(xQueryExtensionReq, stuff->nbytes); - - memset(&reply, 0, sizeof(xQueryExtensionReply)); - reply.type = X_Reply; - reply.length = 0; - reply.major_opcode = 0; - reply.sequenceNumber = client->sequence; - - if ( ! NumExtensions ) - reply.present = xFalse; - else - { - i = FindExtension((char *)&stuff[1], stuff->nbytes); - if (i < 0 || XaceHook(XACE_EXT_ACCESS, client, extensions[i])) - reply.present = xFalse; - else - { - reply.present = xTrue; - reply.major_opcode = extensions[i]->base; - reply.first_event = extensions[i]->eventBase; - reply.first_error = extensions[i]->errorBase; - } - } - WriteReplyToClient(client, sizeof(xQueryExtensionReply), &reply); - return(client->noClientException); -} - -int -ProcListExtensions(ClientPtr client) -{ - xListExtensionsReply reply; - char *bufptr, *buffer; - int total_length = 0; - - REQUEST_SIZE_MATCH(xReq); - - memset(&reply, 0, sizeof(xListExtensionsReply)); - reply.type = X_Reply; - reply.nExtensions = 0; - reply.length = 0; - reply.sequenceNumber = client->sequence; - buffer = NULL; - - if ( NumExtensions ) - { - int i, j; - - for (i=0; i<NumExtensions; i++) - { - /* call callbacks to find out whether to show extension */ - if (XaceHook(XACE_EXT_ACCESS, client, extensions[i]) != Success) - continue; - - total_length += strlen(extensions[i]->name) + 1; - reply.nExtensions += 1 + extensions[i]->num_aliases; - for (j = extensions[i]->num_aliases; --j >= 0;) - total_length += strlen(extensions[i]->aliases[j]) + 1; - } - reply.length = bytes_to_int32(total_length); - buffer = bufptr = xalloc(total_length); - if (!buffer) - return(BadAlloc); - for (i=0; i<NumExtensions; i++) - { - int len; - if (XaceHook(XACE_EXT_ACCESS, client, extensions[i]) != Success) - continue; - - *bufptr++ = len = strlen(extensions[i]->name); - memmove(bufptr, extensions[i]->name, len); - bufptr += len; - for (j = extensions[i]->num_aliases; --j >= 0;) - { - *bufptr++ = len = strlen(extensions[i]->aliases[j]); - memmove(bufptr, extensions[i]->aliases[j], len); - bufptr += len; - } - } - } - WriteReplyToClient(client, sizeof(xListExtensionsReply), &reply); - if (reply.length) - { - WriteToClient(client, total_length, buffer); - xfree(buffer); - } - return(client->noClientException); -} +/***********************************************************
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "dixstruct.h"
+#include "extnsionst.h"
+#include "gcstruct.h"
+#include "scrnintstr.h"
+#include "dispatch.h"
+#include "privates.h"
+#include "registry.h"
+#include "xace.h"
+
+#define LAST_EVENT 128
+#define LAST_ERROR 255
+
+static ExtensionEntry **extensions = (ExtensionEntry **)NULL;
+
+int lastEvent = EXTENSION_EVENT_BASE;
+static int lastError = FirstExtensionError;
+static unsigned int NumExtensions = 0;
+
+ExtensionEntry *
+AddExtension(char *name, int NumEvents, int NumErrors,
+ int (*MainProc)(ClientPtr c1),
+ int (*SwappedMainProc)(ClientPtr c2),
+ void (*CloseDownProc)(ExtensionEntry *e),
+ unsigned short (*MinorOpcodeProc)(ClientPtr c3))
+{
+ int i;
+ ExtensionEntry *ext, **newexts;
+
+ if (!MainProc || !SwappedMainProc || !MinorOpcodeProc)
+ return((ExtensionEntry *) NULL);
+ if ((lastEvent + NumEvents > LAST_EVENT) ||
+ (unsigned)(lastError + NumErrors > LAST_ERROR)) {
+ LogMessage(X_ERROR, "Not enabling extension %s: maximum number of "
+ "events or errors exceeded.\n", name);
+ return((ExtensionEntry *) NULL);
+ }
+
+ ext = malloc(sizeof(ExtensionEntry));
+ if (!ext)
+ return(NULL);
+ ext->name = malloc(strlen(name) + 1);
+ ext->num_aliases = 0;
+ ext->aliases = (char **)NULL;
+ ext->devPrivates = NULL;
+ if (!ext->name)
+ {
+ free(ext);
+ return((ExtensionEntry *) NULL);
+ }
+ strcpy(ext->name, name);
+ i = NumExtensions;
+ newexts = (ExtensionEntry **) realloc(extensions,
+ (i + 1) * sizeof(ExtensionEntry *));
+ if (!newexts)
+ {
+ free(ext->name);
+ free(ext);
+ return((ExtensionEntry *) NULL);
+ }
+ NumExtensions++;
+ extensions = newexts;
+ extensions[i] = ext;
+ ext->index = i;
+ ext->base = i + EXTENSION_BASE;
+ ext->CloseDown = CloseDownProc;
+ ext->MinorOpcode = MinorOpcodeProc;
+ ProcVector[i + EXTENSION_BASE] = MainProc;
+ SwappedProcVector[i + EXTENSION_BASE] = SwappedMainProc;
+ if (NumEvents)
+ {
+ ext->eventBase = lastEvent;
+ ext->eventLast = lastEvent + NumEvents;
+ lastEvent += NumEvents;
+ }
+ else
+ {
+ ext->eventBase = 0;
+ ext->eventLast = 0;
+ }
+ if (NumErrors)
+ {
+ ext->errorBase = lastError;
+ ext->errorLast = lastError + NumErrors;
+ lastError += NumErrors;
+ }
+ else
+ {
+ ext->errorBase = 0;
+ ext->errorLast = 0;
+ }
+
+ RegisterExtensionNames(ext);
+ return(ext);
+}
+
+Bool AddExtensionAlias(char *alias, ExtensionEntry *ext)
+{
+ char *name;
+ char **aliases;
+
+ if (!ext)
+ return FALSE ;
+ aliases = (char **)realloc(ext->aliases,
+ (ext->num_aliases + 1) * sizeof(char *));
+ if (!aliases)
+ return FALSE;
+ ext->aliases = aliases;
+ name = malloc(strlen(alias) + 1);
+ if (!name)
+ return FALSE;
+ strcpy(name, alias);
+ ext->aliases[ext->num_aliases] = name;
+ ext->num_aliases++;
+ return TRUE;
+}
+
+static int
+FindExtension(char *extname, int len)
+{
+ int i, j;
+
+ for (i=0; i<NumExtensions; i++)
+ {
+ if ((strlen(extensions[i]->name) == len) &&
+ !strncmp(extname, extensions[i]->name, len))
+ break;
+ for (j = extensions[i]->num_aliases; --j >= 0;)
+ {
+ if ((strlen(extensions[i]->aliases[j]) == len) &&
+ !strncmp(extname, extensions[i]->aliases[j], len))
+ break;
+ }
+ if (j >= 0) break;
+ }
+ return ((i == NumExtensions) ? -1 : i);
+}
+
+/*
+ * CheckExtension returns the extensions[] entry for the requested
+ * extension name. Maybe this could just return a Bool instead?
+ */
+ExtensionEntry *
+CheckExtension(const char *extname)
+{
+ int n;
+
+ n = FindExtension((char*)extname, strlen(extname));
+ if (n != -1)
+ return extensions[n];
+ else
+ return NULL;
+}
+
+/*
+ * Added as part of Xace.
+ */
+ExtensionEntry *
+GetExtensionEntry(int major)
+{
+ if (major < EXTENSION_BASE)
+ return NULL;
+ major -= EXTENSION_BASE;
+ if (major >= NumExtensions)
+ return NULL;
+ return extensions[major];
+}
+
+unsigned short
+StandardMinorOpcode(ClientPtr client)
+{
+ return ((xReq *)client->requestBuffer)->data;
+}
+
+unsigned short
+MinorOpcodeOfRequest(ClientPtr client)
+{
+ unsigned char major;
+
+ major = ((xReq *)client->requestBuffer)->reqType;
+ if (major < EXTENSION_BASE)
+ return 0;
+ major -= EXTENSION_BASE;
+ if (major >= NumExtensions)
+ return 0;
+ return (*extensions[major]->MinorOpcode)(client);
+}
+
+void
+CloseDownExtensions(void)
+{
+ int i,j;
+
+ for (i = NumExtensions - 1; i >= 0; i--)
+ {
+ if (extensions[i]->CloseDown)
+ extensions[i]->CloseDown(extensions[i]);
+ NumExtensions = i;
+ free(extensions[i]->name);
+ for (j = extensions[i]->num_aliases; --j >= 0;)
+ free(extensions[i]->aliases[j]);
+ free(extensions[i]->aliases);
+ dixFreePrivates(extensions[i]->devPrivates);
+ free(extensions[i]);
+ }
+ free(extensions);
+ extensions = (ExtensionEntry **)NULL;
+ lastEvent = EXTENSION_EVENT_BASE;
+ lastError = FirstExtensionError;
+}
+
+int
+ProcQueryExtension(ClientPtr client)
+{
+ xQueryExtensionReply reply;
+ int i;
+ REQUEST(xQueryExtensionReq);
+
+ REQUEST_FIXED_SIZE(xQueryExtensionReq, stuff->nbytes);
+
+ memset(&reply, 0, sizeof(xQueryExtensionReply));
+ reply.type = X_Reply;
+ reply.length = 0;
+ reply.major_opcode = 0;
+ reply.sequenceNumber = client->sequence;
+
+ if ( ! NumExtensions )
+ reply.present = xFalse;
+ else
+ {
+ i = FindExtension((char *)&stuff[1], stuff->nbytes);
+ if (i < 0 || XaceHook(XACE_EXT_ACCESS, client, extensions[i]))
+ reply.present = xFalse;
+ else
+ {
+ reply.present = xTrue;
+ reply.major_opcode = extensions[i]->base;
+ reply.first_event = extensions[i]->eventBase;
+ reply.first_error = extensions[i]->errorBase;
+ }
+ }
+ WriteReplyToClient(client, sizeof(xQueryExtensionReply), &reply);
+ return Success;
+}
+
+int
+ProcListExtensions(ClientPtr client)
+{
+ xListExtensionsReply reply;
+ char *bufptr, *buffer;
+ int total_length = 0;
+
+ REQUEST_SIZE_MATCH(xReq);
+
+ memset(&reply, 0, sizeof(xListExtensionsReply));
+ reply.type = X_Reply;
+ reply.nExtensions = 0;
+ reply.length = 0;
+ reply.sequenceNumber = client->sequence;
+ buffer = NULL;
+
+ if ( NumExtensions )
+ {
+ int i, j;
+
+ for (i=0; i<NumExtensions; i++)
+ {
+ /* call callbacks to find out whether to show extension */
+ if (XaceHook(XACE_EXT_ACCESS, client, extensions[i]) != Success)
+ continue;
+
+ total_length += strlen(extensions[i]->name) + 1;
+ reply.nExtensions += 1 + extensions[i]->num_aliases;
+ for (j = extensions[i]->num_aliases; --j >= 0;)
+ total_length += strlen(extensions[i]->aliases[j]) + 1;
+ }
+ reply.length = bytes_to_int32(total_length);
+ buffer = bufptr = malloc(total_length);
+ if (!buffer)
+ return(BadAlloc);
+ for (i=0; i<NumExtensions; i++)
+ {
+ int len;
+ if (XaceHook(XACE_EXT_ACCESS, client, extensions[i]) != Success)
+ continue;
+
+ *bufptr++ = len = strlen(extensions[i]->name);
+ memmove(bufptr, extensions[i]->name, len);
+ bufptr += len;
+ for (j = extensions[i]->num_aliases; --j >= 0;)
+ {
+ *bufptr++ = len = strlen(extensions[i]->aliases[j]);
+ memmove(bufptr, extensions[i]->aliases[j], len);
+ bufptr += len;
+ }
+ }
+ }
+ WriteReplyToClient(client, sizeof(xListExtensionsReply), &reply);
+ if (reply.length)
+ {
+ WriteToClient(client, total_length, buffer);
+ free(buffer);
+ }
+ return Success;
+}
diff --git a/xorg-server/dix/gc.c b/xorg-server/dix/gc.c index 3058e1541..b738d4112 100644 --- a/xorg-server/dix/gc.c +++ b/xorg-server/dix/gc.c @@ -1,1234 +1,1158 @@ -/*********************************************************** - -Copyright 1987, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ - - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <X11/X.h> -#include <X11/Xmd.h> -#include <X11/Xproto.h> -#include "misc.h" -#include "resource.h" -#include "gcstruct.h" -#include "pixmapstr.h" -#include "dixfontstr.h" -#include "scrnintstr.h" -#include "region.h" - -#include "privates.h" -#include "dix.h" -#include "xace.h" -#include <assert.h> - -extern XID clientErrorValue; -extern FontPtr defaultFont; - -static Bool CreateDefaultTile(GCPtr pGC); - -static unsigned char DefaultDash[2] = {4, 4}; - -void -ValidateGC(DrawablePtr pDraw, GC *pGC) -{ - (*pGC->funcs->ValidateGC) (pGC, pGC->stateChanges, pDraw); - pGC->stateChanges = 0; - pGC->serialNumber = pDraw->serialNumber; -} - - -/* dixChangeGC(client, pGC, mask, pC32, pUnion) - * - * This function was created as part of the Security extension - * implementation. The client performing the gc change must be passed so - * that access checks can be performed on any tiles, stipples, or fonts - * that are specified. ddxen can call this too; they should normally - * pass NullClient for the client since any access checking should have - * already been done at a higher level. - * - * Since we had to create a new function anyway, we decided to change the - * way the list of gc values is passed to eliminate the compiler warnings - * caused by the DoChangeGC interface. You can pass the values via pC32 - * or pUnion, but not both; one of them must be NULL. If you don't need - * to pass any pointers, you can use either one: - * - * example calling dixChangeGC using pC32 parameter - * - * CARD32 v[2]; - * v[0] = foreground; - * v[1] = background; - * dixChangeGC(client, pGC, GCForeground|GCBackground, v, NULL); - * - * example calling dixChangeGC using pUnion parameter; - * same effect as above - * - * ChangeGCVal v[2]; - * v[0].val = foreground; - * v[1].val = background; - * dixChangeGC(client, pGC, GCForeground|GCBackground, NULL, v); - * - * However, if you need to pass a pointer to a pixmap or font, you MUST - * use the pUnion parameter. - * - * example calling dixChangeGC passing pointers in the value list - * v[1].ptr is a pointer to a pixmap - * - * ChangeGCVal v[2]; - * v[0].val = FillTiled; - * v[1].ptr = pPixmap; - * dixChangeGC(client, pGC, GCFillStyle|GCTile, NULL, v); - * - * Note: we could have gotten by with just the pUnion parameter, but on - * 64 bit machines that would have forced us to copy the value list that - * comes in the ChangeGC request. - * - * Ideally, we'd change all the DoChangeGC calls to dixChangeGC, but this - * is far too many changes to consider at this time, so we've only - * changed the ones that caused compiler warnings. New code should use - * dixChangeGC. - * - * dpw - */ - -#define NEXTVAL(_type, _var) { \ - if (pC32) _var = (_type)*pC32++; \ - else { \ - _var = (_type)(pUnion->val); pUnion++; \ - } \ - } - -#define NEXT_PTR(_type, _var) { \ - assert(pUnion); _var = (_type)pUnion->ptr; pUnion++; } - -int -dixChangeGC(ClientPtr client, GC *pGC, BITS32 mask, CARD32 *pC32, ChangeGCValPtr pUnion) -{ - BITS32 index2; - int rc, error = 0; - PixmapPtr pPixmap; - BITS32 maskQ; - - assert( (pC32 && !pUnion) || (!pC32 && pUnion) ); - pGC->serialNumber |= GC_CHANGE_SERIAL_BIT; - - maskQ = mask; /* save these for when we walk the GCque */ - while (mask && !error) - { - index2 = (BITS32) lowbit (mask); - mask &= ~index2; - pGC->stateChanges |= index2; - switch (index2) - { - case GCFunction: - { - CARD8 newalu; - NEXTVAL(CARD8, newalu); - if (newalu <= GXset) - pGC->alu = newalu; - else - { - clientErrorValue = newalu; - error = BadValue; - } - break; - } - case GCPlaneMask: - NEXTVAL(unsigned long, pGC->planemask); - break; - case GCForeground: - NEXTVAL(unsigned long, pGC->fgPixel); - /* - * this is for CreateGC - */ - if (!pGC->tileIsPixel && !pGC->tile.pixmap) - { - pGC->tileIsPixel = TRUE; - pGC->tile.pixel = pGC->fgPixel; - } - break; - case GCBackground: - NEXTVAL(unsigned long, pGC->bgPixel); - break; - case GCLineWidth: /* ??? line width is a CARD16 */ - NEXTVAL(CARD16, pGC->lineWidth); - break; - case GCLineStyle: - { - unsigned int newlinestyle; - NEXTVAL(unsigned int, newlinestyle); - if (newlinestyle <= LineDoubleDash) - pGC->lineStyle = newlinestyle; - else - { - clientErrorValue = newlinestyle; - error = BadValue; - } - break; - } - case GCCapStyle: - { - unsigned int newcapstyle; - NEXTVAL(unsigned int, newcapstyle); - if (newcapstyle <= CapProjecting) - pGC->capStyle = newcapstyle; - else - { - clientErrorValue = newcapstyle; - error = BadValue; - } - break; - } - case GCJoinStyle: - { - unsigned int newjoinstyle; - NEXTVAL(unsigned int, newjoinstyle); - if (newjoinstyle <= JoinBevel) - pGC->joinStyle = newjoinstyle; - else - { - clientErrorValue = newjoinstyle; - error = BadValue; - } - break; - } - case GCFillStyle: - { - unsigned int newfillstyle; - NEXTVAL(unsigned int, newfillstyle); - if (newfillstyle <= FillOpaqueStippled) - pGC->fillStyle = newfillstyle; - else - { - clientErrorValue = newfillstyle; - error = BadValue; - } - break; - } - case GCFillRule: - { - unsigned int newfillrule; - NEXTVAL(unsigned int, newfillrule); - if (newfillrule <= WindingRule) - pGC->fillRule = newfillrule; - else - { - clientErrorValue = newfillrule; - error = BadValue; - } - break; - } - case GCTile: - if (pUnion) - { - NEXT_PTR(PixmapPtr, pPixmap); - } - else - { - XID newpix; - NEXTVAL(XID, newpix); - rc = dixLookupResourceByType((pointer *)&pPixmap, newpix, - RT_PIXMAP, client, DixReadAccess); - if (rc != Success) - { - clientErrorValue = newpix; - error = (rc == BadValue) ? BadPixmap : rc; - break; - } - } - if ((pPixmap->drawable.depth != pGC->depth) || - (pPixmap->drawable.pScreen != pGC->pScreen)) - { - error = BadMatch; - } - else - { - pPixmap->refcnt++; - if (!pGC->tileIsPixel) - (* pGC->pScreen->DestroyPixmap)(pGC->tile.pixmap); - pGC->tileIsPixel = FALSE; - pGC->tile.pixmap = pPixmap; - } - break; - case GCStipple: - if (pUnion) - { - NEXT_PTR(PixmapPtr, pPixmap); - } - else - { - XID newstipple; - NEXTVAL(XID, newstipple) - rc = dixLookupResourceByType((pointer *)&pPixmap, newstipple, - RT_PIXMAP, client, DixReadAccess); - if (rc != Success) - { - clientErrorValue = newstipple; - error = (rc == BadValue) ? BadPixmap : rc; - break; - } - } - if ((pPixmap->drawable.depth != 1) || - (pPixmap->drawable.pScreen != pGC->pScreen)) - { - error = BadMatch; - } - else - { - pPixmap->refcnt++; - if (pGC->stipple) - (* pGC->pScreen->DestroyPixmap)(pGC->stipple); - pGC->stipple = pPixmap; - } - break; - case GCTileStipXOrigin: - NEXTVAL(INT16, pGC->patOrg.x); - break; - case GCTileStipYOrigin: - NEXTVAL(INT16, pGC->patOrg.y); - break; - case GCFont: - { - FontPtr pFont; - if (pUnion) - { - NEXT_PTR(FontPtr, pFont); - } - else - { - XID newfont; - NEXTVAL(XID, newfont) - rc = dixLookupResourceByType((pointer *)&pFont, newfont, - RT_FONT, client, DixUseAccess); - if (rc != Success) - { - clientErrorValue = newfont; - error = (rc == BadValue) ? BadFont : rc; - break; - } - } - pFont->refcnt++; - if (pGC->font) - CloseFont(pGC->font, (Font)0); - pGC->font = pFont; - break; - } - case GCSubwindowMode: - { - unsigned int newclipmode; - NEXTVAL(unsigned int, newclipmode); - if (newclipmode <= IncludeInferiors) - pGC->subWindowMode = newclipmode; - else - { - clientErrorValue = newclipmode; - error = BadValue; - } - break; - } - case GCGraphicsExposures: - { - unsigned int newge; - NEXTVAL(unsigned int, newge); - if (newge <= xTrue) - pGC->graphicsExposures = newge; - else - { - clientErrorValue = newge; - error = BadValue; - } - break; - } - case GCClipXOrigin: - NEXTVAL(INT16, pGC->clipOrg.x); - break; - case GCClipYOrigin: - NEXTVAL(INT16, pGC->clipOrg.y); - break; - case GCClipMask: - if (pUnion) - { - NEXT_PTR(PixmapPtr, pPixmap); - } - else - { - Pixmap pid; - NEXTVAL(Pixmap, pid) - if (pid == None) - pPixmap = NullPixmap; - else { - rc = dixLookupResourceByType((pointer *)&pPixmap, pid, - RT_PIXMAP, client, - DixReadAccess); - if (rc != Success) { - clientErrorValue = pid; - error = (rc == BadValue) ? BadPixmap : rc; - break; - } - } - } - - if (pPixmap) - { - if ((pPixmap->drawable.depth != 1) || - (pPixmap->drawable.pScreen != pGC->pScreen)) - { - error = BadMatch; - break; - } - pPixmap->refcnt++; - } - (*pGC->funcs->ChangeClip)(pGC, pPixmap ? CT_PIXMAP : CT_NONE, - (pointer)pPixmap, 0); - break; - case GCDashOffset: - NEXTVAL(INT16, pGC->dashOffset); - break; - case GCDashList: - { - CARD8 newdash; - NEXTVAL(CARD8, newdash); - if (newdash == 4) - { - if (pGC->dash != DefaultDash) - { - xfree(pGC->dash); - pGC->numInDashList = 2; - pGC->dash = DefaultDash; - } - } - else if (newdash != 0) - { - unsigned char *dash; - - dash = xalloc(2 * sizeof(unsigned char)); - if (dash) - { - if (pGC->dash != DefaultDash) - xfree(pGC->dash); - pGC->numInDashList = 2; - pGC->dash = dash; - dash[0] = newdash; - dash[1] = newdash; - } - else - error = BadAlloc; - } - else - { - clientErrorValue = newdash; - error = BadValue; - } - break; - } - case GCArcMode: - { - unsigned int newarcmode; - NEXTVAL(unsigned int, newarcmode); - if (newarcmode <= ArcPieSlice) - pGC->arcMode = newarcmode; - else - { - clientErrorValue = newarcmode; - error = BadValue; - } - break; - } - default: - clientErrorValue = maskQ; - error = BadValue; - break; - } - } /* end while mask && !error */ - - if (pGC->fillStyle == FillTiled && pGC->tileIsPixel) - { - if (!CreateDefaultTile (pGC)) - { - pGC->fillStyle = FillSolid; - error = BadAlloc; - } - } - (*pGC->funcs->ChangeGC)(pGC, maskQ); - return error; -} - -#undef NEXTVAL -#undef NEXT_PTR - -/* Publically defined entry to ChangeGC. Just calls dixChangeGC and tells - * it that all of the entries are constants or IDs */ -int -ChangeGC(GC *pGC, BITS32 mask, XID *pval) -{ - return (dixChangeGC(NullClient, pGC, mask, pval, NULL)); -} - -/* DoChangeGC(pGC, mask, pval, fPointer) - mask is a set of bits indicating which values to change. - pval contains an appropriate value for each mask. - fPointer is true if the values for tiles, stipples, fonts or clipmasks - are pointers instead of IDs. Note: if you are passing pointers you - MUST declare the array of values as type pointer! Other data types - may not be large enough to hold pointers on some machines. Yes, - this means you have to cast to (XID *) when you pass the array to - DoChangeGC. Similarly, if you are not passing pointers (fPointer = 0) you - MUST declare the array as type XID (not unsigned long!), or again the wrong - size data type may be used. To avoid this cruftiness, use dixChangeGC - above. - - if there is an error, the value is marked as changed - anyway, which is probably wrong, but infrequent. - -NOTE: - all values sent over the protocol for ChangeGC requests are -32 bits long -*/ -int -DoChangeGC(GC *pGC, BITS32 mask, XID *pval, int fPointer) -{ - if (fPointer) - /* XXX might be a problem on 64 bit big-endian servers */ - return dixChangeGC(NullClient, pGC, mask, NULL, (ChangeGCValPtr)pval); - else - return dixChangeGC(NullClient, pGC, mask, pval, NULL); -} - - -/* CreateGC(pDrawable, mask, pval, pStatus) - creates a default GC for the given drawable, using mask to fill - in any non-default values. - Returns a pointer to the new GC on success, NULL otherwise. - returns status of non-default fields in pStatus -BUG: - should check for failure to create default tile - -*/ -GCPtr -CreateGC(DrawablePtr pDrawable, BITS32 mask, XID *pval, int *pStatus, - XID gcid, ClientPtr client) -{ - GCPtr pGC; - - pGC = xalloc(sizeof(GC)); - if (!pGC) - { - *pStatus = BadAlloc; - return (GCPtr)NULL; - } - - pGC->pScreen = pDrawable->pScreen; - pGC->depth = pDrawable->depth; - pGC->alu = GXcopy; /* dst <- src */ - pGC->planemask = ~0; - pGC->serialNumber = GC_CHANGE_SERIAL_BIT; - pGC->funcs = 0; - pGC->devPrivates = NULL; - pGC->fgPixel = 0; - pGC->bgPixel = 1; - pGC->lineWidth = 0; - pGC->lineStyle = LineSolid; - pGC->capStyle = CapButt; - pGC->joinStyle = JoinMiter; - pGC->fillStyle = FillSolid; - pGC->fillRule = EvenOddRule; - pGC->arcMode = ArcPieSlice; - pGC->tile.pixel = 0; - pGC->tile.pixmap = NullPixmap; - if (mask & GCForeground) - { - /* - * magic special case -- ChangeGC checks for this condition - * and snags the Foreground value to create a pseudo default-tile - */ - pGC->tileIsPixel = FALSE; - } - else - { - pGC->tileIsPixel = TRUE; - } - - pGC->patOrg.x = 0; - pGC->patOrg.y = 0; - pGC->subWindowMode = ClipByChildren; - pGC->graphicsExposures = TRUE; - pGC->clipOrg.x = 0; - pGC->clipOrg.y = 0; - pGC->clientClipType = CT_NONE; - pGC->clientClip = (pointer)NULL; - pGC->numInDashList = 2; - pGC->dash = DefaultDash; - pGC->dashOffset = 0; - pGC->lastWinOrg.x = 0; - pGC->lastWinOrg.y = 0; - - /* use the default font and stipple */ - pGC->font = defaultFont; - defaultFont->refcnt++; - pGC->stipple = pGC->pScreen->PixmapPerDepth[0]; - pGC->stipple->refcnt++; - - /* security creation/labeling check */ - *pStatus = XaceHook(XACE_RESOURCE_ACCESS, client, gcid, RT_GC, pGC, - RT_NONE, NULL, DixCreateAccess|DixSetAttrAccess); - if (*pStatus != Success) - goto out; - - pGC->stateChanges = (1 << (GCLastBit+1)) - 1; - if (!(*pGC->pScreen->CreateGC)(pGC)) - *pStatus = BadAlloc; - else if (mask) - *pStatus = ChangeGC(pGC, mask, pval); - else - *pStatus = Success; - -out: - if (*pStatus != Success) - { - if (!pGC->tileIsPixel && !pGC->tile.pixmap) - pGC->tileIsPixel = TRUE; /* undo special case */ - FreeGC(pGC, (XID)0); - pGC = (GCPtr)NULL; - } - - return (pGC); -} - -static Bool -CreateDefaultTile (GCPtr pGC) -{ - XID tmpval[3]; - PixmapPtr pTile; - GCPtr pgcScratch; - xRectangle rect; - CARD16 w, h; - - w = 1; - h = 1; - (*pGC->pScreen->QueryBestSize)(TileShape, &w, &h, pGC->pScreen); - pTile = (PixmapPtr) - (*pGC->pScreen->CreatePixmap)(pGC->pScreen, - w, h, pGC->depth, 0); - pgcScratch = GetScratchGC(pGC->depth, pGC->pScreen); - if (!pTile || !pgcScratch) - { - if (pTile) - (*pTile->drawable.pScreen->DestroyPixmap)(pTile); - if (pgcScratch) - FreeScratchGC(pgcScratch); - return FALSE; - } - tmpval[0] = GXcopy; - tmpval[1] = pGC->tile.pixel; - tmpval[2] = FillSolid; - (void)ChangeGC(pgcScratch, GCFunction | GCForeground | GCFillStyle, - tmpval); - ValidateGC((DrawablePtr)pTile, pgcScratch); - rect.x = 0; - rect.y = 0; - rect.width = w; - rect.height = h; - (*pgcScratch->ops->PolyFillRect)((DrawablePtr)pTile, pgcScratch, 1, &rect); - /* Always remember to free the scratch graphics context after use. */ - FreeScratchGC(pgcScratch); - - pGC->tileIsPixel = FALSE; - pGC->tile.pixmap = pTile; - return TRUE; -} - -int -CopyGC(GC *pgcSrc, GC *pgcDst, BITS32 mask) -{ - BITS32 index2; - BITS32 maskQ; - int error = 0; - - if (pgcSrc == pgcDst) - return Success; - pgcDst->serialNumber |= GC_CHANGE_SERIAL_BIT; - pgcDst->stateChanges |= mask; - maskQ = mask; - while (mask) - { - index2 = (BITS32) lowbit (mask); - mask &= ~index2; - switch (index2) - { - case GCFunction: - pgcDst->alu = pgcSrc->alu; - break; - case GCPlaneMask: - pgcDst->planemask = pgcSrc->planemask; - break; - case GCForeground: - pgcDst->fgPixel = pgcSrc->fgPixel; - break; - case GCBackground: - pgcDst->bgPixel = pgcSrc->bgPixel; - break; - case GCLineWidth: - pgcDst->lineWidth = pgcSrc->lineWidth; - break; - case GCLineStyle: - pgcDst->lineStyle = pgcSrc->lineStyle; - break; - case GCCapStyle: - pgcDst->capStyle = pgcSrc->capStyle; - break; - case GCJoinStyle: - pgcDst->joinStyle = pgcSrc->joinStyle; - break; - case GCFillStyle: - pgcDst->fillStyle = pgcSrc->fillStyle; - break; - case GCFillRule: - pgcDst->fillRule = pgcSrc->fillRule; - break; - case GCTile: - { - if (EqualPixUnion(pgcDst->tileIsPixel, - pgcDst->tile, - pgcSrc->tileIsPixel, - pgcSrc->tile)) - { - break; - } - if (!pgcDst->tileIsPixel) - (* pgcDst->pScreen->DestroyPixmap)(pgcDst->tile.pixmap); - pgcDst->tileIsPixel = pgcSrc->tileIsPixel; - pgcDst->tile = pgcSrc->tile; - if (!pgcDst->tileIsPixel) - pgcDst->tile.pixmap->refcnt++; - break; - } - case GCStipple: - { - if (pgcDst->stipple == pgcSrc->stipple) - break; - if (pgcDst->stipple) - (* pgcDst->pScreen->DestroyPixmap)(pgcDst->stipple); - pgcDst->stipple = pgcSrc->stipple; - if (pgcDst->stipple) - pgcDst->stipple->refcnt ++; - break; - } - case GCTileStipXOrigin: - pgcDst->patOrg.x = pgcSrc->patOrg.x; - break; - case GCTileStipYOrigin: - pgcDst->patOrg.y = pgcSrc->patOrg.y; - break; - case GCFont: - if (pgcDst->font == pgcSrc->font) - break; - if (pgcDst->font) - CloseFont(pgcDst->font, (Font)0); - if ((pgcDst->font = pgcSrc->font) != NullFont) - (pgcDst->font)->refcnt++; - break; - case GCSubwindowMode: - pgcDst->subWindowMode = pgcSrc->subWindowMode; - break; - case GCGraphicsExposures: - pgcDst->graphicsExposures = pgcSrc->graphicsExposures; - break; - case GCClipXOrigin: - pgcDst->clipOrg.x = pgcSrc->clipOrg.x; - break; - case GCClipYOrigin: - pgcDst->clipOrg.y = pgcSrc->clipOrg.y; - break; - case GCClipMask: - (* pgcDst->funcs->CopyClip)(pgcDst, pgcSrc); - break; - case GCDashOffset: - pgcDst->dashOffset = pgcSrc->dashOffset; - break; - case GCDashList: - if (pgcSrc->dash == DefaultDash) - { - if (pgcDst->dash != DefaultDash) - { - xfree(pgcDst->dash); - pgcDst->numInDashList = pgcSrc->numInDashList; - pgcDst->dash = pgcSrc->dash; - } - } - else - { - unsigned char *dash; - unsigned int i; - - dash = xalloc(pgcSrc->numInDashList * sizeof(unsigned char)); - if (dash) - { - if (pgcDst->dash != DefaultDash) - xfree(pgcDst->dash); - pgcDst->numInDashList = pgcSrc->numInDashList; - pgcDst->dash = dash; - for (i=0; i<pgcSrc->numInDashList; i++) - dash[i] = pgcSrc->dash[i]; - } - else - error = BadAlloc; - } - break; - case GCArcMode: - pgcDst->arcMode = pgcSrc->arcMode; - break; - default: - clientErrorValue = maskQ; - error = BadValue; - break; - } - } - if (pgcDst->fillStyle == FillTiled && pgcDst->tileIsPixel) - { - if (!CreateDefaultTile (pgcDst)) - { - pgcDst->fillStyle = FillSolid; - error = BadAlloc; - } - } - (*pgcDst->funcs->CopyGC) (pgcSrc, maskQ, pgcDst); - return error; -} - -/** - * does the diX part of freeing the characteristics in the GC. - * - * \param value must conform to DeleteType - */ -int -FreeGC(pointer value, XID gid) -{ - GCPtr pGC = (GCPtr)value; - - CloseFont(pGC->font, (Font)0); - (* pGC->funcs->DestroyClip)(pGC); - - if (!pGC->tileIsPixel) - (* pGC->pScreen->DestroyPixmap)(pGC->tile.pixmap); - if (pGC->stipple) - (* pGC->pScreen->DestroyPixmap)(pGC->stipple); - - (*pGC->funcs->DestroyGC) (pGC); - if (pGC->dash != DefaultDash) - xfree(pGC->dash); - dixFreePrivates(pGC->devPrivates); - xfree(pGC); - return(Success); -} - -/* CreateScratchGC(pScreen, depth) - like CreateGC, but doesn't do the default tile or stipple, -since we can't create them without already having a GC. any code -using the tile or stipple has to set them explicitly anyway, -since the state of the scratch gc is unknown. This is OK -because ChangeGC() has to be able to deal with NULL tiles and -stipples anyway (in case the CreateGC() call has provided a -value for them -- we can't set the default tile until the -client-supplied attributes are installed, since the fgPixel -is what fills the default tile. (maybe this comment should -go with CreateGC() or ChangeGC().) -*/ - -GCPtr -CreateScratchGC(ScreenPtr pScreen, unsigned depth) -{ - GCPtr pGC; - - pGC = xalloc(sizeof(GC)); - if (!pGC) - return (GCPtr)NULL; - - pGC->pScreen = pScreen; - pGC->depth = depth; - pGC->alu = GXcopy; /* dst <- src */ - pGC->planemask = ~0; - pGC->serialNumber = 0; - pGC->devPrivates = NULL; - pGC->fgPixel = 0; - pGC->bgPixel = 1; - pGC->lineWidth = 0; - pGC->lineStyle = LineSolid; - pGC->capStyle = CapButt; - pGC->joinStyle = JoinMiter; - pGC->fillStyle = FillSolid; - pGC->fillRule = EvenOddRule; - pGC->arcMode = ArcPieSlice; - pGC->font = defaultFont; - if ( pGC->font) /* necessary, because open of default font could fail */ - pGC->font->refcnt++; - pGC->tileIsPixel = TRUE; - pGC->tile.pixel = 0; - pGC->tile.pixmap = NullPixmap; - pGC->stipple = NullPixmap; - pGC->patOrg.x = 0; - pGC->patOrg.y = 0; - pGC->subWindowMode = ClipByChildren; - pGC->graphicsExposures = TRUE; - pGC->clipOrg.x = 0; - pGC->clipOrg.y = 0; - pGC->clientClipType = CT_NONE; - pGC->dashOffset = 0; - pGC->numInDashList = 2; - pGC->dash = DefaultDash; - pGC->lastWinOrg.x = 0; - pGC->lastWinOrg.y = 0; - - pGC->stateChanges = (1 << (GCLastBit+1)) - 1; - if (!(*pScreen->CreateGC)(pGC)) - { - FreeGC(pGC, (XID)0); - pGC = (GCPtr)NULL; - } - return pGC; -} - -void -FreeGCperDepth(int screenNum) -{ - int i; - ScreenPtr pScreen; - GCPtr *ppGC; - - pScreen = screenInfo.screens[screenNum]; - ppGC = pScreen->GCperDepth; - - for (i = 0; i <= pScreen->numDepths; i++) - (void)FreeGC(ppGC[i], (XID)0); - pScreen->rgf = ~0L; -} - - -Bool -CreateGCperDepth(int screenNum) -{ - int i; - ScreenPtr pScreen; - DepthPtr pDepth; - GCPtr *ppGC; - - pScreen = screenInfo.screens[screenNum]; - pScreen->rgf = 0; - ppGC = pScreen->GCperDepth; - /* do depth 1 separately because it's not included in list */ - if (!(ppGC[0] = CreateScratchGC(pScreen, 1))) - return FALSE; - ppGC[0]->graphicsExposures = FALSE; - /* Make sure we don't overflow GCperDepth[] */ - if( pScreen->numDepths > MAXFORMATS ) - return FALSE; - - pDepth = pScreen->allowedDepths; - for (i=0; i<pScreen->numDepths; i++, pDepth++) - { - if (!(ppGC[i+1] = CreateScratchGC(pScreen, pDepth->depth))) - { - for (; i >= 0; i--) - (void)FreeGC(ppGC[i], (XID)0); - return FALSE; - } - ppGC[i+1]->graphicsExposures = FALSE; - } - return TRUE; -} - -Bool -CreateDefaultStipple(int screenNum) -{ - ScreenPtr pScreen; - XID tmpval[3]; - xRectangle rect; - CARD16 w, h; - GCPtr pgcScratch; - - pScreen = screenInfo.screens[screenNum]; - - w = 16; - h = 16; - (* pScreen->QueryBestSize)(StippleShape, &w, &h, pScreen); - if (!(pScreen->PixmapPerDepth[0] = - (*pScreen->CreatePixmap)(pScreen, w, h, 1, 0))) - return FALSE; - /* fill stipple with 1 */ - tmpval[0] = GXcopy; tmpval[1] = 1; tmpval[2] = FillSolid; - pgcScratch = GetScratchGC(1, pScreen); - if (!pgcScratch) - { - (*pScreen->DestroyPixmap)(pScreen->PixmapPerDepth[0]); - return FALSE; - } - (void)ChangeGC(pgcScratch, GCFunction|GCForeground|GCFillStyle, tmpval); - ValidateGC((DrawablePtr)pScreen->PixmapPerDepth[0], pgcScratch); - rect.x = 0; - rect.y = 0; - rect.width = w; - rect.height = h; - (*pgcScratch->ops->PolyFillRect)((DrawablePtr)pScreen->PixmapPerDepth[0], - pgcScratch, 1, &rect); - FreeScratchGC(pgcScratch); - return TRUE; -} - -void -FreeDefaultStipple(int screenNum) -{ - ScreenPtr pScreen = screenInfo.screens[screenNum]; - (*pScreen->DestroyPixmap)(pScreen->PixmapPerDepth[0]); -} - -int -SetDashes(GCPtr pGC, unsigned offset, unsigned ndash, unsigned char *pdash) -{ - long i; - unsigned char *p, *indash; - BITS32 maskQ = 0; - - i = ndash; - p = pdash; - while (i--) - { - if (!*p++) - { - /* dash segment must be > 0 */ - clientErrorValue = 0; - return BadValue; - } - } - - if (ndash & 1) - p = xalloc(2 * ndash * sizeof(unsigned char)); - else - p = xalloc(ndash * sizeof(unsigned char)); - if (!p) - return BadAlloc; - - pGC->serialNumber |= GC_CHANGE_SERIAL_BIT; - if (offset != pGC->dashOffset) - { - pGC->dashOffset = offset; - pGC->stateChanges |= GCDashOffset; - maskQ |= GCDashOffset; - } - - if (pGC->dash != DefaultDash) - xfree(pGC->dash); - pGC->numInDashList = ndash; - pGC->dash = p; - if (ndash & 1) - { - pGC->numInDashList += ndash; - indash = pdash; - i = ndash; - while (i--) - *p++ = *indash++; - } - while(ndash--) - *p++ = *pdash++; - pGC->stateChanges |= GCDashList; - maskQ |= GCDashList; - - if (pGC->funcs->ChangeGC) - (*pGC->funcs->ChangeGC) (pGC, maskQ); - return Success; -} - -int -VerifyRectOrder(int nrects, xRectangle *prects, int ordering) -{ - xRectangle *prectP, *prectN; - int i; - - switch(ordering) - { - case Unsorted: - return CT_UNSORTED; - case YSorted: - if(nrects > 1) - { - for(i = 1, prectP = prects, prectN = prects + 1; - i < nrects; - i++, prectP++, prectN++) - if(prectN->y < prectP->y) - return -1; - } - return CT_YSORTED; - case YXSorted: - if(nrects > 1) - { - for(i = 1, prectP = prects, prectN = prects + 1; - i < nrects; - i++, prectP++, prectN++) - if((prectN->y < prectP->y) || - ( (prectN->y == prectP->y) && - (prectN->x < prectP->x) ) ) - return -1; - } - return CT_YXSORTED; - case YXBanded: - if(nrects > 1) - { - for(i = 1, prectP = prects, prectN = prects + 1; - i < nrects; - i++, prectP++, prectN++) - if((prectN->y != prectP->y && - prectN->y < prectP->y + (int) prectP->height) || - ((prectN->y == prectP->y) && - (prectN->height != prectP->height || - prectN->x < prectP->x + (int) prectP->width))) - return -1; - } - return CT_YXBANDED; - } - return -1; -} - -int -SetClipRects(GCPtr pGC, int xOrigin, int yOrigin, int nrects, - xRectangle *prects, int ordering) -{ - int newct, size; - xRectangle *prectsNew; - - newct = VerifyRectOrder(nrects, prects, ordering); - if (newct < 0) - return(BadMatch); - size = nrects * sizeof(xRectangle); - prectsNew = xalloc(size); - if (!prectsNew && size) - return BadAlloc; - - pGC->serialNumber |= GC_CHANGE_SERIAL_BIT; - pGC->clipOrg.x = xOrigin; - pGC->stateChanges |= GCClipXOrigin; - - pGC->clipOrg.y = yOrigin; - pGC->stateChanges |= GCClipYOrigin; - - if (size) - memmove((char *)prectsNew, (char *)prects, size); - (*pGC->funcs->ChangeClip)(pGC, newct, (pointer)prectsNew, nrects); - if (pGC->funcs->ChangeGC) - (*pGC->funcs->ChangeGC) (pGC, GCClipXOrigin|GCClipYOrigin|GCClipMask); - return Success; -} - - -/* - sets reasonable defaults - if we can get a pre-allocated one, use it and mark it as used. - if we can't, create one out of whole cloth (The Velveteen GC -- if - you use it often enough it will become real.) -*/ -GCPtr -GetScratchGC(unsigned depth, ScreenPtr pScreen) -{ - int i; - GCPtr pGC; - - for (i=0; i<=pScreen->numDepths; i++) - if ( pScreen->GCperDepth[i]->depth == depth && - !(pScreen->rgf & (1L << (i+1))) - ) - { - pScreen->rgf |= (1L << (i+1)); - pGC = (pScreen->GCperDepth[i]); - - pGC->alu = GXcopy; - pGC->planemask = ~0; - pGC->serialNumber = 0; - pGC->fgPixel = 0; - pGC->bgPixel = 1; - pGC->lineWidth = 0; - pGC->lineStyle = LineSolid; - pGC->capStyle = CapButt; - pGC->joinStyle = JoinMiter; - pGC->fillStyle = FillSolid; - pGC->fillRule = EvenOddRule; - pGC->arcMode = ArcChord; - pGC->patOrg.x = 0; - pGC->patOrg.y = 0; - pGC->subWindowMode = ClipByChildren; - pGC->graphicsExposures = FALSE; - pGC->clipOrg.x = 0; - pGC->clipOrg.y = 0; - if (pGC->clientClipType != CT_NONE) - (*pGC->funcs->ChangeClip) (pGC, CT_NONE, NULL, 0); - pGC->stateChanges = (1 << (GCLastBit+1)) - 1; - return pGC; - } - /* if we make it this far, need to roll our own */ - pGC = CreateScratchGC(pScreen, depth); - if (pGC) - pGC->graphicsExposures = FALSE; - return pGC; -} - -/* - if the gc to free is in the table of pre-existing ones, -mark it as available. - if not, free it for real -*/ -void -FreeScratchGC(GCPtr pGC) -{ - ScreenPtr pScreen = pGC->pScreen; - int i; - - for (i=0; i<=pScreen->numDepths; i++) - { - if ( pScreen->GCperDepth[i] == pGC) - { - pScreen->rgf &= ~(1L << (i+1)); - return; - } - } - (void)FreeGC(pGC, (GContext)0); -} +/***********************************************************
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xmd.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "resource.h"
+#include "gcstruct.h"
+#include "pixmapstr.h"
+#include "dixfontstr.h"
+#include "scrnintstr.h"
+#include "region.h"
+
+#include "privates.h"
+#include "dix.h"
+#include "xace.h"
+#include <assert.h>
+
+extern FontPtr defaultFont;
+
+static Bool CreateDefaultTile(GCPtr pGC);
+
+static unsigned char DefaultDash[2] = {4, 4};
+
+void
+ValidateGC(DrawablePtr pDraw, GC *pGC)
+{
+ (*pGC->funcs->ValidateGC) (pGC, pGC->stateChanges, pDraw);
+ pGC->stateChanges = 0;
+ pGC->serialNumber = pDraw->serialNumber;
+}
+
+
+/*
+ * ChangeGC/ChangeGCXIDs:
+ *
+ * The client performing the gc change must be passed so that access
+ * checks can be performed on any tiles, stipples, or fonts that are
+ * specified. ddxen can call this too; they should normally pass
+ * NullClient for the client since any access checking should have
+ * already been done at a higher level.
+ *
+ * If you have any XIDs, you must use ChangeGCXIDs:
+ *
+ * CARD32 v[2];
+ * v[0] = FillTiled;
+ * v[1] = pid;
+ * ChangeGCXIDs(client, pGC, GCFillStyle|GCTile, v);
+ *
+ * However, if you need to pass a pointer to a pixmap or font, you must
+ * use ChangeGC:
+ *
+ * ChangeGCVal v[2];
+ * v[0].val = FillTiled;
+ * v[1].ptr = pPixmap;
+ * ChangeGC(client, pGC, GCFillStyle|GCTile, v);
+ *
+ * If you have neither XIDs nor pointers, you can use either function,
+ * but ChangeGC will do less work.
+ *
+ * ChangeGCVal v[2];
+ * v[0].val = foreground;
+ * v[1].val = background;
+ * ChangeGC(client, pGC, GCForeground|GCBackground, v);
+ */
+
+#define NEXTVAL(_type, _var) { \
+ _var = (_type)(pUnion->val); pUnion++; \
+ }
+
+#define NEXT_PTR(_type, _var) { \
+ _var = (_type)pUnion->ptr; pUnion++; }
+
+int
+ChangeGC(ClientPtr client, GC *pGC, BITS32 mask, ChangeGCValPtr pUnion)
+{
+ BITS32 index2;
+ int error = 0;
+ PixmapPtr pPixmap;
+ BITS32 maskQ;
+
+ assert(pUnion);
+ pGC->serialNumber |= GC_CHANGE_SERIAL_BIT;
+
+ maskQ = mask; /* save these for when we walk the GCque */
+ while (mask && !error)
+ {
+ index2 = (BITS32) lowbit (mask);
+ mask &= ~index2;
+ pGC->stateChanges |= index2;
+ switch (index2)
+ {
+ case GCFunction:
+ {
+ CARD8 newalu;
+ NEXTVAL(CARD8, newalu);
+ if (newalu <= GXset)
+ pGC->alu = newalu;
+ else
+ {
+ if (client)
+ client->errorValue = newalu;
+ error = BadValue;
+ }
+ break;
+ }
+ case GCPlaneMask:
+ NEXTVAL(unsigned long, pGC->planemask);
+ break;
+ case GCForeground:
+ NEXTVAL(unsigned long, pGC->fgPixel);
+ /*
+ * this is for CreateGC
+ */
+ if (!pGC->tileIsPixel && !pGC->tile.pixmap)
+ {
+ pGC->tileIsPixel = TRUE;
+ pGC->tile.pixel = pGC->fgPixel;
+ }
+ break;
+ case GCBackground:
+ NEXTVAL(unsigned long, pGC->bgPixel);
+ break;
+ case GCLineWidth: /* ??? line width is a CARD16 */
+ NEXTVAL(CARD16, pGC->lineWidth);
+ break;
+ case GCLineStyle:
+ {
+ unsigned int newlinestyle;
+ NEXTVAL(unsigned int, newlinestyle);
+ if (newlinestyle <= LineDoubleDash)
+ pGC->lineStyle = newlinestyle;
+ else
+ {
+ if (client)
+ client->errorValue = newlinestyle;
+ error = BadValue;
+ }
+ break;
+ }
+ case GCCapStyle:
+ {
+ unsigned int newcapstyle;
+ NEXTVAL(unsigned int, newcapstyle);
+ if (newcapstyle <= CapProjecting)
+ pGC->capStyle = newcapstyle;
+ else
+ {
+ if (client)
+ client->errorValue = newcapstyle;
+ error = BadValue;
+ }
+ break;
+ }
+ case GCJoinStyle:
+ {
+ unsigned int newjoinstyle;
+ NEXTVAL(unsigned int, newjoinstyle);
+ if (newjoinstyle <= JoinBevel)
+ pGC->joinStyle = newjoinstyle;
+ else
+ {
+ if (client)
+ client->errorValue = newjoinstyle;
+ error = BadValue;
+ }
+ break;
+ }
+ case GCFillStyle:
+ {
+ unsigned int newfillstyle;
+ NEXTVAL(unsigned int, newfillstyle);
+ if (newfillstyle <= FillOpaqueStippled)
+ pGC->fillStyle = newfillstyle;
+ else
+ {
+ if (client)
+ client->errorValue = newfillstyle;
+ error = BadValue;
+ }
+ break;
+ }
+ case GCFillRule:
+ {
+ unsigned int newfillrule;
+ NEXTVAL(unsigned int, newfillrule);
+ if (newfillrule <= WindingRule)
+ pGC->fillRule = newfillrule;
+ else
+ {
+ if (client)
+ client->errorValue = newfillrule;
+ error = BadValue;
+ }
+ break;
+ }
+ case GCTile:
+ NEXT_PTR(PixmapPtr, pPixmap);
+ if ((pPixmap->drawable.depth != pGC->depth) ||
+ (pPixmap->drawable.pScreen != pGC->pScreen))
+ {
+ error = BadMatch;
+ }
+ else
+ {
+ pPixmap->refcnt++;
+ if (!pGC->tileIsPixel)
+ (* pGC->pScreen->DestroyPixmap)(pGC->tile.pixmap);
+ pGC->tileIsPixel = FALSE;
+ pGC->tile.pixmap = pPixmap;
+ }
+ break;
+ case GCStipple:
+ NEXT_PTR(PixmapPtr, pPixmap);
+ if ((pPixmap->drawable.depth != 1) ||
+ (pPixmap->drawable.pScreen != pGC->pScreen))
+ {
+ error = BadMatch;
+ }
+ else
+ {
+ pPixmap->refcnt++;
+ if (pGC->stipple)
+ (* pGC->pScreen->DestroyPixmap)(pGC->stipple);
+ pGC->stipple = pPixmap;
+ }
+ break;
+ case GCTileStipXOrigin:
+ NEXTVAL(INT16, pGC->patOrg.x);
+ break;
+ case GCTileStipYOrigin:
+ NEXTVAL(INT16, pGC->patOrg.y);
+ break;
+ case GCFont:
+ {
+ FontPtr pFont;
+ NEXT_PTR(FontPtr, pFont);
+ pFont->refcnt++;
+ if (pGC->font)
+ CloseFont(pGC->font, (Font)0);
+ pGC->font = pFont;
+ break;
+ }
+ case GCSubwindowMode:
+ {
+ unsigned int newclipmode;
+ NEXTVAL(unsigned int, newclipmode);
+ if (newclipmode <= IncludeInferiors)
+ pGC->subWindowMode = newclipmode;
+ else
+ {
+ if (client)
+ client->errorValue = newclipmode;
+ error = BadValue;
+ }
+ break;
+ }
+ case GCGraphicsExposures:
+ {
+ unsigned int newge;
+ NEXTVAL(unsigned int, newge);
+ if (newge <= xTrue)
+ pGC->graphicsExposures = newge;
+ else
+ {
+ if (client)
+ client->errorValue = newge;
+ error = BadValue;
+ }
+ break;
+ }
+ case GCClipXOrigin:
+ NEXTVAL(INT16, pGC->clipOrg.x);
+ break;
+ case GCClipYOrigin:
+ NEXTVAL(INT16, pGC->clipOrg.y);
+ break;
+ case GCClipMask:
+ NEXT_PTR(PixmapPtr, pPixmap);
+ if (pPixmap)
+ {
+ if ((pPixmap->drawable.depth != 1) ||
+ (pPixmap->drawable.pScreen != pGC->pScreen))
+ {
+ error = BadMatch;
+ break;
+ }
+ pPixmap->refcnt++;
+ }
+ (*pGC->funcs->ChangeClip)(pGC, pPixmap ? CT_PIXMAP : CT_NONE,
+ (pointer)pPixmap, 0);
+ break;
+ case GCDashOffset:
+ NEXTVAL(INT16, pGC->dashOffset);
+ break;
+ case GCDashList:
+ {
+ CARD8 newdash;
+ NEXTVAL(CARD8, newdash);
+ if (newdash == 4)
+ {
+ if (pGC->dash != DefaultDash)
+ {
+ free(pGC->dash);
+ pGC->numInDashList = 2;
+ pGC->dash = DefaultDash;
+ }
+ }
+ else if (newdash != 0)
+ {
+ unsigned char *dash;
+
+ dash = malloc(2 * sizeof(unsigned char));
+ if (dash)
+ {
+ if (pGC->dash != DefaultDash)
+ free(pGC->dash);
+ pGC->numInDashList = 2;
+ pGC->dash = dash;
+ dash[0] = newdash;
+ dash[1] = newdash;
+ }
+ else
+ error = BadAlloc;
+ }
+ else
+ {
+ if (client)
+ client->errorValue = newdash;
+ error = BadValue;
+ }
+ break;
+ }
+ case GCArcMode:
+ {
+ unsigned int newarcmode;
+ NEXTVAL(unsigned int, newarcmode);
+ if (newarcmode <= ArcPieSlice)
+ pGC->arcMode = newarcmode;
+ else
+ {
+ if (client)
+ client->errorValue = newarcmode;
+ error = BadValue;
+ }
+ break;
+ }
+ default:
+ if (client)
+ client->errorValue = maskQ;
+ error = BadValue;
+ break;
+ }
+ } /* end while mask && !error */
+
+ if (pGC->fillStyle == FillTiled && pGC->tileIsPixel)
+ {
+ if (!CreateDefaultTile (pGC))
+ {
+ pGC->fillStyle = FillSolid;
+ error = BadAlloc;
+ }
+ }
+ (*pGC->funcs->ChangeGC)(pGC, maskQ);
+ return error;
+}
+
+#undef NEXTVAL
+#undef NEXT_PTR
+
+static const struct {
+ BITS32 mask;
+ RESTYPE type;
+ Mask access_mode;
+} xidfields[] = {
+ { GCTile, RT_PIXMAP, DixReadAccess },
+ { GCStipple, RT_PIXMAP, DixReadAccess },
+ { GCFont, RT_FONT, DixUseAccess },
+ { GCClipMask, RT_PIXMAP, DixReadAccess },
+};
+
+int
+ChangeGCXIDs(ClientPtr client, GC *pGC, BITS32 mask, CARD32 *pC32)
+{
+ ChangeGCVal vals[GCLastBit + 1];
+ int i;
+ if (mask & ~GCAllBits)
+ {
+ client->errorValue = mask;
+ return BadValue;
+ }
+ for (i = Ones(mask); i--; )
+ vals[i].val = pC32[i];
+ for (i = 0; i < sizeof(xidfields) / sizeof(*xidfields); ++i)
+ {
+ int offset, rc;
+ if (!(mask & xidfields[i].mask))
+ continue;
+ offset = Ones(mask & (xidfields[i].mask - 1));
+ if (xidfields[i].mask == GCClipMask && vals[offset].val == None)
+ {
+ vals[offset].ptr = NullPixmap;
+ continue;
+ }
+ rc = dixLookupResourceByType(&vals[offset].ptr, vals[offset].val,
+ xidfields[i].type, client, xidfields[i].access_mode);
+ if (rc != Success)
+ {
+ client->errorValue = vals[offset].val;
+ if (rc == BadValue)
+ rc = (xidfields[i].type == RT_PIXMAP) ? BadPixmap : BadFont;
+ return rc;
+ }
+ }
+ return ChangeGC(client, pGC, mask, vals);
+}
+
+/* CreateGC(pDrawable, mask, pval, pStatus)
+ creates a default GC for the given drawable, using mask to fill
+ in any non-default values.
+ Returns a pointer to the new GC on success, NULL otherwise.
+ returns status of non-default fields in pStatus
+BUG:
+ should check for failure to create default tile
+
+*/
+GCPtr
+CreateGC(DrawablePtr pDrawable, BITS32 mask, XID *pval, int *pStatus,
+ XID gcid, ClientPtr client)
+{
+ GCPtr pGC;
+
+ pGC = malloc(sizeof(GC));
+ if (!pGC)
+ {
+ *pStatus = BadAlloc;
+ return (GCPtr)NULL;
+ }
+
+ pGC->pScreen = pDrawable->pScreen;
+ pGC->depth = pDrawable->depth;
+ pGC->alu = GXcopy; /* dst <- src */
+ pGC->planemask = ~0;
+ pGC->serialNumber = GC_CHANGE_SERIAL_BIT;
+ pGC->funcs = 0;
+ pGC->devPrivates = NULL;
+ pGC->fgPixel = 0;
+ pGC->bgPixel = 1;
+ pGC->lineWidth = 0;
+ pGC->lineStyle = LineSolid;
+ pGC->capStyle = CapButt;
+ pGC->joinStyle = JoinMiter;
+ pGC->fillStyle = FillSolid;
+ pGC->fillRule = EvenOddRule;
+ pGC->arcMode = ArcPieSlice;
+ pGC->tile.pixel = 0;
+ pGC->tile.pixmap = NullPixmap;
+ if (mask & GCForeground)
+ {
+ /*
+ * magic special case -- ChangeGC checks for this condition
+ * and snags the Foreground value to create a pseudo default-tile
+ */
+ pGC->tileIsPixel = FALSE;
+ }
+ else
+ {
+ pGC->tileIsPixel = TRUE;
+ }
+
+ pGC->patOrg.x = 0;
+ pGC->patOrg.y = 0;
+ pGC->subWindowMode = ClipByChildren;
+ pGC->graphicsExposures = TRUE;
+ pGC->clipOrg.x = 0;
+ pGC->clipOrg.y = 0;
+ pGC->clientClipType = CT_NONE;
+ pGC->clientClip = (pointer)NULL;
+ pGC->numInDashList = 2;
+ pGC->dash = DefaultDash;
+ pGC->dashOffset = 0;
+ pGC->lastWinOrg.x = 0;
+ pGC->lastWinOrg.y = 0;
+
+ /* use the default font and stipple */
+ pGC->font = defaultFont;
+ defaultFont->refcnt++;
+ pGC->stipple = pGC->pScreen->PixmapPerDepth[0];
+ pGC->stipple->refcnt++;
+
+ /* security creation/labeling check */
+ *pStatus = XaceHook(XACE_RESOURCE_ACCESS, client, gcid, RT_GC, pGC,
+ RT_NONE, NULL, DixCreateAccess|DixSetAttrAccess);
+ if (*pStatus != Success)
+ goto out;
+
+ pGC->stateChanges = GCAllBits;
+ if (!(*pGC->pScreen->CreateGC)(pGC))
+ *pStatus = BadAlloc;
+ else if (mask)
+ *pStatus = ChangeGCXIDs(client, pGC, mask, pval);
+ else
+ *pStatus = Success;
+
+out:
+ if (*pStatus != Success)
+ {
+ if (!pGC->tileIsPixel && !pGC->tile.pixmap)
+ pGC->tileIsPixel = TRUE; /* undo special case */
+ FreeGC(pGC, (XID)0);
+ pGC = (GCPtr)NULL;
+ }
+
+ return (pGC);
+}
+
+static Bool
+CreateDefaultTile (GCPtr pGC)
+{
+ ChangeGCVal tmpval[3];
+ PixmapPtr pTile;
+ GCPtr pgcScratch;
+ xRectangle rect;
+ CARD16 w, h;
+
+ w = 1;
+ h = 1;
+ (*pGC->pScreen->QueryBestSize)(TileShape, &w, &h, pGC->pScreen);
+ pTile = (PixmapPtr)
+ (*pGC->pScreen->CreatePixmap)(pGC->pScreen,
+ w, h, pGC->depth, 0);
+ pgcScratch = GetScratchGC(pGC->depth, pGC->pScreen);
+ if (!pTile || !pgcScratch)
+ {
+ if (pTile)
+ (*pTile->drawable.pScreen->DestroyPixmap)(pTile);
+ if (pgcScratch)
+ FreeScratchGC(pgcScratch);
+ return FALSE;
+ }
+ tmpval[0].val = GXcopy;
+ tmpval[1].val = pGC->tile.pixel;
+ tmpval[2].val = FillSolid;
+ (void)ChangeGC(NullClient, pgcScratch, GCFunction | GCForeground | GCFillStyle, tmpval);
+ ValidateGC((DrawablePtr)pTile, pgcScratch);
+ rect.x = 0;
+ rect.y = 0;
+ rect.width = w;
+ rect.height = h;
+ (*pgcScratch->ops->PolyFillRect)((DrawablePtr)pTile, pgcScratch, 1, &rect);
+ /* Always remember to free the scratch graphics context after use. */
+ FreeScratchGC(pgcScratch);
+
+ pGC->tileIsPixel = FALSE;
+ pGC->tile.pixmap = pTile;
+ return TRUE;
+}
+
+int
+CopyGC(GC *pgcSrc, GC *pgcDst, BITS32 mask)
+{
+ BITS32 index2;
+ BITS32 maskQ;
+ int error = 0;
+
+ if (pgcSrc == pgcDst)
+ return Success;
+ pgcDst->serialNumber |= GC_CHANGE_SERIAL_BIT;
+ pgcDst->stateChanges |= mask;
+ maskQ = mask;
+ while (mask)
+ {
+ index2 = (BITS32) lowbit (mask);
+ mask &= ~index2;
+ switch (index2)
+ {
+ case GCFunction:
+ pgcDst->alu = pgcSrc->alu;
+ break;
+ case GCPlaneMask:
+ pgcDst->planemask = pgcSrc->planemask;
+ break;
+ case GCForeground:
+ pgcDst->fgPixel = pgcSrc->fgPixel;
+ break;
+ case GCBackground:
+ pgcDst->bgPixel = pgcSrc->bgPixel;
+ break;
+ case GCLineWidth:
+ pgcDst->lineWidth = pgcSrc->lineWidth;
+ break;
+ case GCLineStyle:
+ pgcDst->lineStyle = pgcSrc->lineStyle;
+ break;
+ case GCCapStyle:
+ pgcDst->capStyle = pgcSrc->capStyle;
+ break;
+ case GCJoinStyle:
+ pgcDst->joinStyle = pgcSrc->joinStyle;
+ break;
+ case GCFillStyle:
+ pgcDst->fillStyle = pgcSrc->fillStyle;
+ break;
+ case GCFillRule:
+ pgcDst->fillRule = pgcSrc->fillRule;
+ break;
+ case GCTile:
+ {
+ if (EqualPixUnion(pgcDst->tileIsPixel,
+ pgcDst->tile,
+ pgcSrc->tileIsPixel,
+ pgcSrc->tile))
+ {
+ break;
+ }
+ if (!pgcDst->tileIsPixel)
+ (* pgcDst->pScreen->DestroyPixmap)(pgcDst->tile.pixmap);
+ pgcDst->tileIsPixel = pgcSrc->tileIsPixel;
+ pgcDst->tile = pgcSrc->tile;
+ if (!pgcDst->tileIsPixel)
+ pgcDst->tile.pixmap->refcnt++;
+ break;
+ }
+ case GCStipple:
+ {
+ if (pgcDst->stipple == pgcSrc->stipple)
+ break;
+ if (pgcDst->stipple)
+ (* pgcDst->pScreen->DestroyPixmap)(pgcDst->stipple);
+ pgcDst->stipple = pgcSrc->stipple;
+ if (pgcDst->stipple)
+ pgcDst->stipple->refcnt ++;
+ break;
+ }
+ case GCTileStipXOrigin:
+ pgcDst->patOrg.x = pgcSrc->patOrg.x;
+ break;
+ case GCTileStipYOrigin:
+ pgcDst->patOrg.y = pgcSrc->patOrg.y;
+ break;
+ case GCFont:
+ if (pgcDst->font == pgcSrc->font)
+ break;
+ if (pgcDst->font)
+ CloseFont(pgcDst->font, (Font)0);
+ if ((pgcDst->font = pgcSrc->font) != NullFont)
+ (pgcDst->font)->refcnt++;
+ break;
+ case GCSubwindowMode:
+ pgcDst->subWindowMode = pgcSrc->subWindowMode;
+ break;
+ case GCGraphicsExposures:
+ pgcDst->graphicsExposures = pgcSrc->graphicsExposures;
+ break;
+ case GCClipXOrigin:
+ pgcDst->clipOrg.x = pgcSrc->clipOrg.x;
+ break;
+ case GCClipYOrigin:
+ pgcDst->clipOrg.y = pgcSrc->clipOrg.y;
+ break;
+ case GCClipMask:
+ (* pgcDst->funcs->CopyClip)(pgcDst, pgcSrc);
+ break;
+ case GCDashOffset:
+ pgcDst->dashOffset = pgcSrc->dashOffset;
+ break;
+ case GCDashList:
+ if (pgcSrc->dash == DefaultDash)
+ {
+ if (pgcDst->dash != DefaultDash)
+ {
+ free(pgcDst->dash);
+ pgcDst->numInDashList = pgcSrc->numInDashList;
+ pgcDst->dash = pgcSrc->dash;
+ }
+ }
+ else
+ {
+ unsigned char *dash;
+ unsigned int i;
+
+ dash = malloc(pgcSrc->numInDashList * sizeof(unsigned char));
+ if (dash)
+ {
+ if (pgcDst->dash != DefaultDash)
+ free(pgcDst->dash);
+ pgcDst->numInDashList = pgcSrc->numInDashList;
+ pgcDst->dash = dash;
+ for (i=0; i<pgcSrc->numInDashList; i++)
+ dash[i] = pgcSrc->dash[i];
+ }
+ else
+ error = BadAlloc;
+ }
+ break;
+ case GCArcMode:
+ pgcDst->arcMode = pgcSrc->arcMode;
+ break;
+ default:
+ FatalError ("CopyGC: Unhandled mask!\n");
+ }
+ }
+ if (pgcDst->fillStyle == FillTiled && pgcDst->tileIsPixel)
+ {
+ if (!CreateDefaultTile (pgcDst))
+ {
+ pgcDst->fillStyle = FillSolid;
+ error = BadAlloc;
+ }
+ }
+ (*pgcDst->funcs->CopyGC) (pgcSrc, maskQ, pgcDst);
+ return error;
+}
+
+/**
+ * does the diX part of freeing the characteristics in the GC.
+ *
+ * \param value must conform to DeleteType
+ */
+int
+FreeGC(pointer value, XID gid)
+{
+ GCPtr pGC = (GCPtr)value;
+
+ CloseFont(pGC->font, (Font)0);
+ (* pGC->funcs->DestroyClip)(pGC);
+
+ if (!pGC->tileIsPixel)
+ (* pGC->pScreen->DestroyPixmap)(pGC->tile.pixmap);
+ if (pGC->stipple)
+ (* pGC->pScreen->DestroyPixmap)(pGC->stipple);
+
+ (*pGC->funcs->DestroyGC) (pGC);
+ if (pGC->dash != DefaultDash)
+ free(pGC->dash);
+ dixFreePrivates(pGC->devPrivates);
+ free(pGC);
+ return(Success);
+}
+
+/* CreateScratchGC(pScreen, depth)
+ like CreateGC, but doesn't do the default tile or stipple,
+since we can't create them without already having a GC. any code
+using the tile or stipple has to set them explicitly anyway,
+since the state of the scratch gc is unknown. This is OK
+because ChangeGC() has to be able to deal with NULL tiles and
+stipples anyway (in case the CreateGC() call has provided a
+value for them -- we can't set the default tile until the
+client-supplied attributes are installed, since the fgPixel
+is what fills the default tile. (maybe this comment should
+go with CreateGC() or ChangeGC().)
+*/
+
+GCPtr
+CreateScratchGC(ScreenPtr pScreen, unsigned depth)
+{
+ GCPtr pGC;
+
+ pGC = malloc(sizeof(GC));
+ if (!pGC)
+ return (GCPtr)NULL;
+
+ pGC->pScreen = pScreen;
+ pGC->depth = depth;
+ pGC->alu = GXcopy; /* dst <- src */
+ pGC->planemask = ~0;
+ pGC->serialNumber = 0;
+ pGC->devPrivates = NULL;
+ pGC->fgPixel = 0;
+ pGC->bgPixel = 1;
+ pGC->lineWidth = 0;
+ pGC->lineStyle = LineSolid;
+ pGC->capStyle = CapButt;
+ pGC->joinStyle = JoinMiter;
+ pGC->fillStyle = FillSolid;
+ pGC->fillRule = EvenOddRule;
+ pGC->arcMode = ArcPieSlice;
+ pGC->font = defaultFont;
+ if ( pGC->font) /* necessary, because open of default font could fail */
+ pGC->font->refcnt++;
+ pGC->tileIsPixel = TRUE;
+ pGC->tile.pixel = 0;
+ pGC->tile.pixmap = NullPixmap;
+ pGC->stipple = NullPixmap;
+ pGC->patOrg.x = 0;
+ pGC->patOrg.y = 0;
+ pGC->subWindowMode = ClipByChildren;
+ pGC->graphicsExposures = TRUE;
+ pGC->clipOrg.x = 0;
+ pGC->clipOrg.y = 0;
+ pGC->clientClipType = CT_NONE;
+ pGC->dashOffset = 0;
+ pGC->numInDashList = 2;
+ pGC->dash = DefaultDash;
+ pGC->lastWinOrg.x = 0;
+ pGC->lastWinOrg.y = 0;
+
+ pGC->stateChanges = GCAllBits;
+ if (!(*pScreen->CreateGC)(pGC))
+ {
+ FreeGC(pGC, (XID)0);
+ pGC = (GCPtr)NULL;
+ }
+ return pGC;
+}
+
+void
+FreeGCperDepth(int screenNum)
+{
+ int i;
+ ScreenPtr pScreen;
+ GCPtr *ppGC;
+
+ pScreen = screenInfo.screens[screenNum];
+ ppGC = pScreen->GCperDepth;
+
+ for (i = 0; i <= pScreen->numDepths; i++)
+ (void)FreeGC(ppGC[i], (XID)0);
+ pScreen->rgf = ~0L;
+}
+
+
+Bool
+CreateGCperDepth(int screenNum)
+{
+ int i;
+ ScreenPtr pScreen;
+ DepthPtr pDepth;
+ GCPtr *ppGC;
+
+ pScreen = screenInfo.screens[screenNum];
+ pScreen->rgf = 0;
+ ppGC = pScreen->GCperDepth;
+ /* do depth 1 separately because it's not included in list */
+ if (!(ppGC[0] = CreateScratchGC(pScreen, 1)))
+ return FALSE;
+ ppGC[0]->graphicsExposures = FALSE;
+ /* Make sure we don't overflow GCperDepth[] */
+ if( pScreen->numDepths > MAXFORMATS )
+ return FALSE;
+
+ pDepth = pScreen->allowedDepths;
+ for (i=0; i<pScreen->numDepths; i++, pDepth++)
+ {
+ if (!(ppGC[i+1] = CreateScratchGC(pScreen, pDepth->depth)))
+ {
+ for (; i >= 0; i--)
+ (void)FreeGC(ppGC[i], (XID)0);
+ return FALSE;
+ }
+ ppGC[i+1]->graphicsExposures = FALSE;
+ }
+ return TRUE;
+}
+
+Bool
+CreateDefaultStipple(int screenNum)
+{
+ ScreenPtr pScreen;
+ ChangeGCVal tmpval[3];
+ xRectangle rect;
+ CARD16 w, h;
+ GCPtr pgcScratch;
+
+ pScreen = screenInfo.screens[screenNum];
+
+ w = 16;
+ h = 16;
+ (* pScreen->QueryBestSize)(StippleShape, &w, &h, pScreen);
+ if (!(pScreen->PixmapPerDepth[0] =
+ (*pScreen->CreatePixmap)(pScreen, w, h, 1, 0)))
+ return FALSE;
+ /* fill stipple with 1 */
+ tmpval[0].val = GXcopy;
+ tmpval[1].val = 1;
+ tmpval[2].val = FillSolid;
+ pgcScratch = GetScratchGC(1, pScreen);
+ if (!pgcScratch)
+ {
+ (*pScreen->DestroyPixmap)(pScreen->PixmapPerDepth[0]);
+ return FALSE;
+ }
+ (void)ChangeGC(NullClient, pgcScratch, GCFunction|GCForeground|GCFillStyle, tmpval);
+ ValidateGC((DrawablePtr)pScreen->PixmapPerDepth[0], pgcScratch);
+ rect.x = 0;
+ rect.y = 0;
+ rect.width = w;
+ rect.height = h;
+ (*pgcScratch->ops->PolyFillRect)((DrawablePtr)pScreen->PixmapPerDepth[0],
+ pgcScratch, 1, &rect);
+ FreeScratchGC(pgcScratch);
+ return TRUE;
+}
+
+void
+FreeDefaultStipple(int screenNum)
+{
+ ScreenPtr pScreen = screenInfo.screens[screenNum];
+ (*pScreen->DestroyPixmap)(pScreen->PixmapPerDepth[0]);
+}
+
+int
+SetDashes(GCPtr pGC, unsigned offset, unsigned ndash, unsigned char *pdash)
+{
+ long i;
+ unsigned char *p, *indash;
+ BITS32 maskQ = 0;
+
+ i = ndash;
+ p = pdash;
+ while (i--)
+ {
+ if (!*p++)
+ {
+ /* dash segment must be > 0 */
+ return BadValue;
+ }
+ }
+
+ if (ndash & 1)
+ p = malloc(2 * ndash * sizeof(unsigned char));
+ else
+ p = malloc(ndash * sizeof(unsigned char));
+ if (!p)
+ return BadAlloc;
+
+ pGC->serialNumber |= GC_CHANGE_SERIAL_BIT;
+ if (offset != pGC->dashOffset)
+ {
+ pGC->dashOffset = offset;
+ pGC->stateChanges |= GCDashOffset;
+ maskQ |= GCDashOffset;
+ }
+
+ if (pGC->dash != DefaultDash)
+ free(pGC->dash);
+ pGC->numInDashList = ndash;
+ pGC->dash = p;
+ if (ndash & 1)
+ {
+ pGC->numInDashList += ndash;
+ indash = pdash;
+ i = ndash;
+ while (i--)
+ *p++ = *indash++;
+ }
+ while(ndash--)
+ *p++ = *pdash++;
+ pGC->stateChanges |= GCDashList;
+ maskQ |= GCDashList;
+
+ if (pGC->funcs->ChangeGC)
+ (*pGC->funcs->ChangeGC) (pGC, maskQ);
+ return Success;
+}
+
+int
+VerifyRectOrder(int nrects, xRectangle *prects, int ordering)
+{
+ xRectangle *prectP, *prectN;
+ int i;
+
+ switch(ordering)
+ {
+ case Unsorted:
+ return CT_UNSORTED;
+ case YSorted:
+ if(nrects > 1)
+ {
+ for(i = 1, prectP = prects, prectN = prects + 1;
+ i < nrects;
+ i++, prectP++, prectN++)
+ if(prectN->y < prectP->y)
+ return -1;
+ }
+ return CT_YSORTED;
+ case YXSorted:
+ if(nrects > 1)
+ {
+ for(i = 1, prectP = prects, prectN = prects + 1;
+ i < nrects;
+ i++, prectP++, prectN++)
+ if((prectN->y < prectP->y) ||
+ ( (prectN->y == prectP->y) &&
+ (prectN->x < prectP->x) ) )
+ return -1;
+ }
+ return CT_YXSORTED;
+ case YXBanded:
+ if(nrects > 1)
+ {
+ for(i = 1, prectP = prects, prectN = prects + 1;
+ i < nrects;
+ i++, prectP++, prectN++)
+ if((prectN->y != prectP->y &&
+ prectN->y < prectP->y + (int) prectP->height) ||
+ ((prectN->y == prectP->y) &&
+ (prectN->height != prectP->height ||
+ prectN->x < prectP->x + (int) prectP->width)))
+ return -1;
+ }
+ return CT_YXBANDED;
+ }
+ return -1;
+}
+
+int
+SetClipRects(GCPtr pGC, int xOrigin, int yOrigin, int nrects,
+ xRectangle *prects, int ordering)
+{
+ int newct, size;
+ xRectangle *prectsNew;
+
+ newct = VerifyRectOrder(nrects, prects, ordering);
+ if (newct < 0)
+ return(BadMatch);
+ size = nrects * sizeof(xRectangle);
+ prectsNew = malloc(size);
+ if (!prectsNew && size)
+ return BadAlloc;
+
+ pGC->serialNumber |= GC_CHANGE_SERIAL_BIT;
+ pGC->clipOrg.x = xOrigin;
+ pGC->stateChanges |= GCClipXOrigin;
+
+ pGC->clipOrg.y = yOrigin;
+ pGC->stateChanges |= GCClipYOrigin;
+
+ if (size)
+ memmove((char *)prectsNew, (char *)prects, size);
+ (*pGC->funcs->ChangeClip)(pGC, newct, (pointer)prectsNew, nrects);
+ if (pGC->funcs->ChangeGC)
+ (*pGC->funcs->ChangeGC) (pGC, GCClipXOrigin|GCClipYOrigin|GCClipMask);
+ return Success;
+}
+
+
+/*
+ sets reasonable defaults
+ if we can get a pre-allocated one, use it and mark it as used.
+ if we can't, create one out of whole cloth (The Velveteen GC -- if
+ you use it often enough it will become real.)
+*/
+GCPtr
+GetScratchGC(unsigned depth, ScreenPtr pScreen)
+{
+ int i;
+ GCPtr pGC;
+
+ for (i=0; i<=pScreen->numDepths; i++)
+ if ( pScreen->GCperDepth[i]->depth == depth &&
+ !(pScreen->rgf & (1L << (i+1)))
+ )
+ {
+ pScreen->rgf |= (1L << (i+1));
+ pGC = (pScreen->GCperDepth[i]);
+
+ pGC->alu = GXcopy;
+ pGC->planemask = ~0;
+ pGC->serialNumber = 0;
+ pGC->fgPixel = 0;
+ pGC->bgPixel = 1;
+ pGC->lineWidth = 0;
+ pGC->lineStyle = LineSolid;
+ pGC->capStyle = CapButt;
+ pGC->joinStyle = JoinMiter;
+ pGC->fillStyle = FillSolid;
+ pGC->fillRule = EvenOddRule;
+ pGC->arcMode = ArcChord;
+ pGC->patOrg.x = 0;
+ pGC->patOrg.y = 0;
+ pGC->subWindowMode = ClipByChildren;
+ pGC->graphicsExposures = FALSE;
+ pGC->clipOrg.x = 0;
+ pGC->clipOrg.y = 0;
+ if (pGC->clientClipType != CT_NONE)
+ (*pGC->funcs->ChangeClip) (pGC, CT_NONE, NULL, 0);
+ pGC->stateChanges = GCAllBits;
+ return pGC;
+ }
+ /* if we make it this far, need to roll our own */
+ pGC = CreateScratchGC(pScreen, depth);
+ if (pGC)
+ pGC->graphicsExposures = FALSE;
+ return pGC;
+}
+
+/*
+ if the gc to free is in the table of pre-existing ones,
+mark it as available.
+ if not, free it for real
+*/
+void
+FreeScratchGC(GCPtr pGC)
+{
+ ScreenPtr pScreen = pGC->pScreen;
+ int i;
+
+ for (i=0; i<=pScreen->numDepths; i++)
+ {
+ if ( pScreen->GCperDepth[i] == pGC)
+ {
+ pScreen->rgf &= ~(1L << (i+1));
+ return;
+ }
+ }
+ (void)FreeGC(pGC, (GContext)0);
+}
diff --git a/xorg-server/dix/getevents.c b/xorg-server/dix/getevents.c index a277fcea0..7d560f103 100644 --- a/xorg-server/dix/getevents.c +++ b/xorg-server/dix/getevents.c @@ -336,7 +336,7 @@ AllocateMotionHistory(DeviceIntPtr pDev) {
int size;
if (pDev->valuator->motion)
- xfree(pDev->valuator->motion);
+ free(pDev->valuator->motion);
if (pDev->valuator->numMotionEvents < 1)
return;
@@ -352,7 +352,7 @@ AllocateMotionHistory(DeviceIntPtr pDev) size += sizeof(Time);
- pDev->valuator->motion = xcalloc(pDev->valuator->numMotionEvents, size);
+ pDev->valuator->motion = calloc(pDev->valuator->numMotionEvents, size);
pDev->valuator->first_motion = 0;
pDev->valuator->last_motion = 0;
if (!pDev->valuator->motion)
@@ -394,7 +394,7 @@ GetMotionHistory(DeviceIntPtr pDev, xTimecoord **buff, unsigned long start, else
size = (sizeof(INT32) * pDev->valuator->numAxes) + sizeof(Time);
- *buff = xalloc(size * pDev->valuator->numMotionEvents);
+ *buff = malloc(size * pDev->valuator->numMotionEvents);
if (!(*buff))
return 0;
obuff = (char *)*buff;
@@ -969,20 +969,20 @@ InitEventList(int num_events) EventListPtr events;
int i;
- events = (EventListPtr)xcalloc(num_events, sizeof(EventList));
+ events = (EventListPtr)calloc(num_events, sizeof(EventList));
if (!events)
return NULL;
for (i = 0; i < num_events; i++)
{
events[i].evlen = sizeof(InternalEvent);
- events[i].event = xcalloc(1, sizeof(InternalEvent));
+ events[i].event = calloc(1, sizeof(InternalEvent));
if (!events[i].event)
{
/* rollback */
while(i--)
- xfree(events[i].event);
- xfree(events);
+ free(events[i].event);
+ free(events);
events = NULL;
break;
}
@@ -1003,8 +1003,8 @@ FreeEventList(EventListPtr list, int num_events) if (!list)
return;
while(num_events--)
- xfree(list[num_events].event);
- xfree(list);
+ free(list[num_events].event);
+ free(list);
}
/**
diff --git a/xorg-server/dix/glyphcurs.c b/xorg-server/dix/glyphcurs.c index f74b13730..946f447b2 100644 --- a/xorg-server/dix/glyphcurs.c +++ b/xorg-server/dix/glyphcurs.c @@ -1,192 +1,191 @@ -/************************************************************************ - -Copyright 1987, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -************************************************************************/ - - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include "misc.h" -#include <X11/fonts/fontstruct.h> -#include "dixfontstr.h" -#include "scrnintstr.h" -#include "gcstruct.h" -#include "resource.h" -#include "dix.h" -#include "cursorstr.h" -#include "opaque.h" -#include "servermd.h" - - -/* - get the bits out of the font in a portable way. to avoid -dealing with padding and such-like, we draw the glyph into -a bitmap, then read the bits out with GetImage, which -uses server-natural format. - since all screens return the same bitmap format, we'll just use -the first one we find. - the character origin lines up with the hotspot in the -cursor metrics. -*/ - -int -ServerBitsFromGlyph(FontPtr pfont, unsigned ch, CursorMetricPtr cm, unsigned char **ppbits) -{ - ScreenPtr pScreen; - GCPtr pGC; - xRectangle rect; - PixmapPtr ppix; - long nby; - char *pbits; - ChangeGCVal gcval[3]; - unsigned char char2b[2]; - - /* turn glyph index into a protocol-format char2b */ - char2b[0] = (unsigned char)(ch >> 8); - char2b[1] = (unsigned char)(ch & 0xff); - - pScreen = screenInfo.screens[0]; - nby = BitmapBytePad(cm->width) * (long)cm->height; - pbits = xcalloc(1, nby); - if (!pbits) - return BadAlloc; - - ppix = (PixmapPtr)(*pScreen->CreatePixmap)(pScreen, cm->width, - cm->height, 1, - CREATE_PIXMAP_USAGE_SCRATCH); - pGC = GetScratchGC(1, pScreen); - if (!ppix || !pGC) - { - if (ppix) - (*pScreen->DestroyPixmap)(ppix); - if (pGC) - FreeScratchGC(pGC); - xfree(pbits); - return BadAlloc; - } - - rect.x = 0; - rect.y = 0; - rect.width = cm->width; - rect.height = cm->height; - - /* fill the pixmap with 0 */ - gcval[0].val = GXcopy; - gcval[1].val = 0; - gcval[2].ptr = (pointer)pfont; - dixChangeGC(NullClient, pGC, GCFunction | GCForeground | GCFont, - NULL, gcval); - ValidateGC((DrawablePtr)ppix, pGC); - (*pGC->ops->PolyFillRect)((DrawablePtr)ppix, pGC, 1, &rect); - - /* draw the glyph */ - gcval[0].val = 1; - dixChangeGC(NullClient, pGC, GCForeground, NULL, gcval); - ValidateGC((DrawablePtr)ppix, pGC); - (*pGC->ops->PolyText16)((DrawablePtr)ppix, pGC, cm->xhot, cm->yhot, - 1, (unsigned short *)char2b); - (*pScreen->GetImage)((DrawablePtr)ppix, 0, 0, cm->width, cm->height, - XYPixmap, 1, pbits); - *ppbits = (unsigned char *)pbits; - FreeScratchGC(pGC); - (*pScreen->DestroyPixmap)(ppix); - return Success; -} - - -Bool -CursorMetricsFromGlyph(FontPtr pfont, unsigned ch, CursorMetricPtr cm) -{ - CharInfoPtr pci; - unsigned long nglyphs; - CARD8 chs[2]; - FontEncoding encoding; - - chs[0] = ch >> 8; - chs[1] = ch; - encoding = (FONTLASTROW(pfont) == 0) ? Linear16Bit : TwoD16Bit; - if (encoding == Linear16Bit) - { - if (ch < pfont->info.firstCol || pfont->info.lastCol < ch) - return FALSE; - } - else - { - if (chs[0] < pfont->info.firstRow || pfont->info.lastRow < chs[0]) - return FALSE; - if (chs[1] < pfont->info.firstCol || pfont->info.lastCol < chs[1]) - return FALSE; - } - (*pfont->get_glyphs) (pfont, 1, chs, encoding, &nglyphs, &pci); - if (nglyphs == 0) - return FALSE; - cm->width = pci->metrics.rightSideBearing - pci->metrics.leftSideBearing; - cm->height = pci->metrics.descent + pci->metrics.ascent; - if (pci->metrics.leftSideBearing > 0) - { - cm->width += pci->metrics.leftSideBearing; - cm->xhot = 0; - } - else - { - cm->xhot = -pci->metrics.leftSideBearing; - if (pci->metrics.rightSideBearing < 0) - cm->width -= pci->metrics.rightSideBearing; - } - if (pci->metrics.ascent < 0) - { - cm->height -= pci->metrics.ascent; - cm->yhot = 0; - } - else - { - cm->yhot = pci->metrics.ascent; - if (pci->metrics.descent < 0) - cm->height -= pci->metrics.descent; - } - return TRUE; -} +/************************************************************************
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+************************************************************************/
+
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "misc.h"
+#include <X11/fonts/fontstruct.h>
+#include "dixfontstr.h"
+#include "scrnintstr.h"
+#include "gcstruct.h"
+#include "resource.h"
+#include "dix.h"
+#include "cursorstr.h"
+#include "opaque.h"
+#include "servermd.h"
+
+
+/*
+ get the bits out of the font in a portable way. to avoid
+dealing with padding and such-like, we draw the glyph into
+a bitmap, then read the bits out with GetImage, which
+uses server-natural format.
+ since all screens return the same bitmap format, we'll just use
+the first one we find.
+ the character origin lines up with the hotspot in the
+cursor metrics.
+*/
+
+int
+ServerBitsFromGlyph(FontPtr pfont, unsigned ch, CursorMetricPtr cm, unsigned char **ppbits)
+{
+ ScreenPtr pScreen;
+ GCPtr pGC;
+ xRectangle rect;
+ PixmapPtr ppix;
+ long nby;
+ char *pbits;
+ ChangeGCVal gcval[3];
+ unsigned char char2b[2];
+
+ /* turn glyph index into a protocol-format char2b */
+ char2b[0] = (unsigned char)(ch >> 8);
+ char2b[1] = (unsigned char)(ch & 0xff);
+
+ pScreen = screenInfo.screens[0];
+ nby = BitmapBytePad(cm->width) * (long)cm->height;
+ pbits = calloc(1, nby);
+ if (!pbits)
+ return BadAlloc;
+
+ ppix = (PixmapPtr)(*pScreen->CreatePixmap)(pScreen, cm->width,
+ cm->height, 1,
+ CREATE_PIXMAP_USAGE_SCRATCH);
+ pGC = GetScratchGC(1, pScreen);
+ if (!ppix || !pGC)
+ {
+ if (ppix)
+ (*pScreen->DestroyPixmap)(ppix);
+ if (pGC)
+ FreeScratchGC(pGC);
+ free(pbits);
+ return BadAlloc;
+ }
+
+ rect.x = 0;
+ rect.y = 0;
+ rect.width = cm->width;
+ rect.height = cm->height;
+
+ /* fill the pixmap with 0 */
+ gcval[0].val = GXcopy;
+ gcval[1].val = 0;
+ gcval[2].ptr = (pointer)pfont;
+ ChangeGC(NullClient, pGC, GCFunction | GCForeground | GCFont, gcval);
+ ValidateGC((DrawablePtr)ppix, pGC);
+ (*pGC->ops->PolyFillRect)((DrawablePtr)ppix, pGC, 1, &rect);
+
+ /* draw the glyph */
+ gcval[0].val = 1;
+ ChangeGC(NullClient, pGC, GCForeground, gcval);
+ ValidateGC((DrawablePtr)ppix, pGC);
+ (*pGC->ops->PolyText16)((DrawablePtr)ppix, pGC, cm->xhot, cm->yhot,
+ 1, (unsigned short *)char2b);
+ (*pScreen->GetImage)((DrawablePtr)ppix, 0, 0, cm->width, cm->height,
+ XYPixmap, 1, pbits);
+ *ppbits = (unsigned char *)pbits;
+ FreeScratchGC(pGC);
+ (*pScreen->DestroyPixmap)(ppix);
+ return Success;
+}
+
+
+Bool
+CursorMetricsFromGlyph(FontPtr pfont, unsigned ch, CursorMetricPtr cm)
+{
+ CharInfoPtr pci;
+ unsigned long nglyphs;
+ CARD8 chs[2];
+ FontEncoding encoding;
+
+ chs[0] = ch >> 8;
+ chs[1] = ch;
+ encoding = (FONTLASTROW(pfont) == 0) ? Linear16Bit : TwoD16Bit;
+ if (encoding == Linear16Bit)
+ {
+ if (ch < pfont->info.firstCol || pfont->info.lastCol < ch)
+ return FALSE;
+ }
+ else
+ {
+ if (chs[0] < pfont->info.firstRow || pfont->info.lastRow < chs[0])
+ return FALSE;
+ if (chs[1] < pfont->info.firstCol || pfont->info.lastCol < chs[1])
+ return FALSE;
+ }
+ (*pfont->get_glyphs) (pfont, 1, chs, encoding, &nglyphs, &pci);
+ if (nglyphs == 0)
+ return FALSE;
+ cm->width = pci->metrics.rightSideBearing - pci->metrics.leftSideBearing;
+ cm->height = pci->metrics.descent + pci->metrics.ascent;
+ if (pci->metrics.leftSideBearing > 0)
+ {
+ cm->width += pci->metrics.leftSideBearing;
+ cm->xhot = 0;
+ }
+ else
+ {
+ cm->xhot = -pci->metrics.leftSideBearing;
+ if (pci->metrics.rightSideBearing < 0)
+ cm->width -= pci->metrics.rightSideBearing;
+ }
+ if (pci->metrics.ascent < 0)
+ {
+ cm->height -= pci->metrics.ascent;
+ cm->yhot = 0;
+ }
+ else
+ {
+ cm->yhot = pci->metrics.ascent;
+ if (pci->metrics.descent < 0)
+ cm->height -= pci->metrics.descent;
+ }
+ return TRUE;
+}
diff --git a/xorg-server/dix/grabs.c b/xorg-server/dix/grabs.c index 4a351d647..1bc4998b2 100644 --- a/xorg-server/dix/grabs.c +++ b/xorg-server/dix/grabs.c @@ -1,560 +1,560 @@ -/* - -Copyright 1987, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included -in all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR -OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, -ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR -OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall -not be used in advertising or otherwise to promote the sale, use or -other dealings in this Software without prior written authorization -from The Open Group. - - -Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts, - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN action OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -*/ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <X11/X.h> -#include "misc.h" -#include <X11/Xproto.h> -#include <X11/extensions/XI2.h> -#include "windowstr.h" -#include "inputstr.h" -#include "cursorstr.h" -#include "dixgrabs.h" -#include "xace.h" -#include "exevents.h" - -#define BITMASK(i) (((Mask)1) << ((i) & 31)) -#define MASKIDX(i) ((i) >> 5) -#define MASKWORD(buf, i) buf[MASKIDX(i)] -#define BITSET(buf, i) MASKWORD(buf, i) |= BITMASK(i) -#define BITCLEAR(buf, i) MASKWORD(buf, i) &= ~BITMASK(i) -#define GETBIT(buf, i) (MASKWORD(buf, i) & BITMASK(i)) - -GrabPtr -CreateGrab( - int client, - DeviceIntPtr device, - DeviceIntPtr modDevice, - WindowPtr window, - GrabType grabtype, - GrabMask *mask, - GrabParameters *param, - int type, - KeyCode keybut, /* key or button */ - WindowPtr confineTo, - CursorPtr cursor) -{ - GrabPtr grab; - - grab = xcalloc(1, sizeof(GrabRec)); - if (!grab) - return (GrabPtr)NULL; - grab->resource = FakeClientID(client); - grab->device = device; - grab->window = window; - grab->eventMask = mask->core; /* same for XI */ - grab->deviceMask = 0; - grab->ownerEvents = param->ownerEvents; - grab->keyboardMode = param->this_device_mode; - grab->pointerMode = param->other_devices_mode; - grab->modifiersDetail.exact = param->modifiers; - grab->modifiersDetail.pMask = NULL; - grab->modifierDevice = modDevice; - grab->type = type; - grab->grabtype = grabtype; - grab->detail.exact = keybut; - grab->detail.pMask = NULL; - grab->confineTo = confineTo; - grab->cursor = cursor; - grab->next = NULL; - - if (grabtype == GRABTYPE_XI2) - memcpy(grab->xi2mask, mask->xi2mask, sizeof(mask->xi2mask)); - if (cursor) - cursor->refcnt++; - return grab; - -} - -static void -FreeGrab(GrabPtr pGrab) -{ - if (pGrab->modifiersDetail.pMask != NULL) - xfree(pGrab->modifiersDetail.pMask); - - if (pGrab->detail.pMask != NULL) - xfree(pGrab->detail.pMask); - - if (pGrab->cursor) - FreeCursor(pGrab->cursor, (Cursor)0); - - xfree(pGrab); -} - -int -DeletePassiveGrab(pointer value, XID id) -{ - GrabPtr g, prev; - GrabPtr pGrab = (GrabPtr)value; - - /* it is OK if the grab isn't found */ - prev = 0; - for (g = (wPassiveGrabs (pGrab->window)); g; g = g->next) - { - if (pGrab == g) - { - if (prev) - prev->next = g->next; - else - if (!(pGrab->window->optional->passiveGrabs = g->next)) - CheckWindowOptionalNeed (pGrab->window); - break; - } - prev = g; - } - FreeGrab(pGrab); - return Success; -} - -static Mask * -DeleteDetailFromMask(Mask *pDetailMask, unsigned int detail) -{ - Mask *mask; - int i; - - mask = xalloc(sizeof(Mask) * MasksPerDetailMask); - if (mask) - { - if (pDetailMask) - for (i = 0; i < MasksPerDetailMask; i++) - mask[i]= pDetailMask[i]; - else - for (i = 0; i < MasksPerDetailMask; i++) - mask[i]= ~0L; - BITCLEAR(mask, detail); - } - return mask; -} - -static Bool -IsInGrabMask( - DetailRec firstDetail, - DetailRec secondDetail, - unsigned int exception) -{ - if (firstDetail.exact == exception) - { - if (firstDetail.pMask == NULL) - return TRUE; - - /* (at present) never called with two non-null pMasks */ - if (secondDetail.exact == exception) - return FALSE; - - if (GETBIT(firstDetail.pMask, secondDetail.exact)) - return TRUE; - } - - return FALSE; -} - -static Bool -IdenticalExactDetails( - unsigned int firstExact, - unsigned int secondExact, - unsigned int exception) -{ - if ((firstExact == exception) || (secondExact == exception)) - return FALSE; - - if (firstExact == secondExact) - return TRUE; - - return FALSE; -} - -static Bool -DetailSupersedesSecond( - DetailRec firstDetail, - DetailRec secondDetail, - unsigned int exception) -{ - if (IsInGrabMask(firstDetail, secondDetail, exception)) - return TRUE; - - if (IdenticalExactDetails(firstDetail.exact, secondDetail.exact, - exception)) - return TRUE; - - return FALSE; -} - -static Bool -GrabSupersedesSecond(GrabPtr pFirstGrab, GrabPtr pSecondGrab) -{ - unsigned int any_modifier = (pFirstGrab->grabtype == GRABTYPE_XI2) ? - (unsigned int)XIAnyModifier : - (unsigned int)AnyModifier; - if (!DetailSupersedesSecond(pFirstGrab->modifiersDetail, - pSecondGrab->modifiersDetail, - any_modifier)) - return FALSE; - - if (DetailSupersedesSecond(pFirstGrab->detail, - pSecondGrab->detail, (unsigned int)AnyKey)) - return TRUE; - - return FALSE; -} - -/** - * Compares two grabs and returns TRUE if the first grab matches the second - * grab. - * - * A match is when - * - the devices set for the grab are equal (this is optional). - * - the event types for both grabs are equal. - * - XXX - * - * @param ignoreDevice TRUE if the device settings on the grabs are to be - * ignored. - * @return TRUE if the grabs match or FALSE otherwise. - */ -Bool -GrabMatchesSecond(GrabPtr pFirstGrab, GrabPtr pSecondGrab, Bool ignoreDevice) -{ - unsigned int any_modifier = (pFirstGrab->grabtype == GRABTYPE_XI2) ? - (unsigned int)XIAnyModifier : - (unsigned int)AnyModifier; - - if (pFirstGrab->grabtype != pSecondGrab->grabtype) - return FALSE; - - if (pFirstGrab->grabtype == GRABTYPE_XI2) - { - if (pFirstGrab->device == inputInfo.all_devices || - pSecondGrab->device == inputInfo.all_devices) - { - /* do nothing */ - } else if (pFirstGrab->device == inputInfo.all_master_devices) - { - if (pSecondGrab->device != inputInfo.all_master_devices && - !IsMaster(pSecondGrab->device)) - return FALSE; - } else if (pSecondGrab->device == inputInfo.all_master_devices) - { - if (pFirstGrab->device != inputInfo.all_master_devices && - !IsMaster(pFirstGrab->device)) - return FALSE; - } else if (pSecondGrab->device != pFirstGrab->device) - return FALSE; - } else if (!ignoreDevice && - ((pFirstGrab->device != pSecondGrab->device) || - (pFirstGrab->modifierDevice != pSecondGrab->modifierDevice))) - return FALSE; - - if (pFirstGrab->type != pSecondGrab->type) - return FALSE; - - if (GrabSupersedesSecond(pFirstGrab, pSecondGrab) || - GrabSupersedesSecond(pSecondGrab, pFirstGrab)) - return TRUE; - - if (DetailSupersedesSecond(pSecondGrab->detail, pFirstGrab->detail, - (unsigned int)AnyKey) - && - DetailSupersedesSecond(pFirstGrab->modifiersDetail, - pSecondGrab->modifiersDetail, - any_modifier)) - return TRUE; - - if (DetailSupersedesSecond(pFirstGrab->detail, pSecondGrab->detail, - (unsigned int)AnyKey) - && - DetailSupersedesSecond(pSecondGrab->modifiersDetail, - pFirstGrab->modifiersDetail, - any_modifier)) - return TRUE; - - return FALSE; -} - -static Bool -GrabsAreIdentical(GrabPtr pFirstGrab, GrabPtr pSecondGrab) -{ - unsigned int any_modifier = (pFirstGrab->grabtype == GRABTYPE_XI2) ? - (unsigned int)XIAnyModifier : - (unsigned int)AnyModifier; - - if (pFirstGrab->grabtype != pSecondGrab->grabtype) - return FALSE; - - if (pFirstGrab->device != pSecondGrab->device || - (pFirstGrab->modifierDevice != pSecondGrab->modifierDevice) || - (pFirstGrab->type != pSecondGrab->type)) - return FALSE; - - if (!(DetailSupersedesSecond(pFirstGrab->detail, - pSecondGrab->detail, - (unsigned int)AnyKey) && - DetailSupersedesSecond(pSecondGrab->detail, - pFirstGrab->detail, - (unsigned int)AnyKey))) - return FALSE; - - - if (!(DetailSupersedesSecond(pFirstGrab->modifiersDetail, - pSecondGrab->modifiersDetail, - any_modifier) && - DetailSupersedesSecond(pSecondGrab->modifiersDetail, - pFirstGrab->modifiersDetail, - any_modifier))) - return FALSE; - - return TRUE; -} - - -/** - * Prepend the new grab to the list of passive grabs on the window. - * Any previously existing grab that matches the new grab will be removed. - * Adding a new grab that would override another client's grab will result in - * a BadAccess. - * - * @return Success or X error code on failure. - */ -int -AddPassiveGrabToList(ClientPtr client, GrabPtr pGrab) -{ - GrabPtr grab; - Mask access_mode = DixGrabAccess; - int rc; - - for (grab = wPassiveGrabs(pGrab->window); grab; grab = grab->next) - { - if (GrabMatchesSecond(pGrab, grab, FALSE)) - { - if (CLIENT_BITS(pGrab->resource) != CLIENT_BITS(grab->resource)) - { - FreeGrab(pGrab); - return BadAccess; - } - } - } - - if (pGrab->keyboardMode == GrabModeSync||pGrab->pointerMode == GrabModeSync) - access_mode |= DixFreezeAccess; - rc = XaceHook(XACE_DEVICE_ACCESS, client, pGrab->device, access_mode); - if (rc != Success) - return rc; - - /* Remove all grabs that match the new one exactly */ - for (grab = wPassiveGrabs(pGrab->window); grab; grab = grab->next) - { - if (GrabsAreIdentical(pGrab, grab)) - { - DeletePassiveGrabFromList(grab); - break; - } - } - - if (!pGrab->window->optional && !MakeWindowOptional (pGrab->window)) - { - FreeGrab(pGrab); - return BadAlloc; - } - - pGrab->next = pGrab->window->optional->passiveGrabs; - pGrab->window->optional->passiveGrabs = pGrab; - if (AddResource(pGrab->resource, RT_PASSIVEGRAB, (pointer)pGrab)) - return Success; - return BadAlloc; -} - -/* the following is kinda complicated, because we need to be able to back out - * if any allocation fails - */ - -Bool -DeletePassiveGrabFromList(GrabPtr pMinuendGrab) -{ - GrabPtr grab; - GrabPtr *deletes, *adds; - Mask ***updates, **details; - int i, ndels, nadds, nups; - Bool ok; - unsigned int any_modifier; - unsigned int any_key; - -#define UPDATE(mask,exact) \ - if (!(details[nups] = DeleteDetailFromMask(mask, exact))) \ - ok = FALSE; \ - else \ - updates[nups++] = &(mask) - - i = 0; - for (grab = wPassiveGrabs(pMinuendGrab->window); grab; grab = grab->next) - i++; - if (!i) - return TRUE; - deletes = xalloc(i * sizeof(GrabPtr)); - adds = xalloc(i * sizeof(GrabPtr)); - updates = xalloc(i * sizeof(Mask **)); - details = xalloc(i * sizeof(Mask *)); - if (!deletes || !adds || !updates || !details) - { - if (details) xfree(details); - if (updates) xfree(updates); - if (adds) xfree(adds); - if (deletes) xfree(deletes); - return FALSE; - } - - any_modifier = (pMinuendGrab->grabtype == GRABTYPE_XI2) ? - (unsigned int)XIAnyModifier : (unsigned int)AnyModifier; - any_key = (pMinuendGrab->grabtype == GRABTYPE_XI2) ? - (unsigned int)XIAnyKeycode : (unsigned int)AnyKey; - ndels = nadds = nups = 0; - ok = TRUE; - for (grab = wPassiveGrabs(pMinuendGrab->window); - grab && ok; - grab = grab->next) - { - if ((CLIENT_BITS(grab->resource) != CLIENT_BITS(pMinuendGrab->resource)) || - !GrabMatchesSecond(grab, pMinuendGrab, - (grab->grabtype == GRABTYPE_CORE))) - continue; - if (GrabSupersedesSecond(pMinuendGrab, grab)) - { - deletes[ndels++] = grab; - } - else if ((grab->detail.exact == any_key) - && (grab->modifiersDetail.exact != any_modifier)) - { - UPDATE(grab->detail.pMask, pMinuendGrab->detail.exact); - } - else if ((grab->modifiersDetail.exact == any_modifier) - && (grab->detail.exact != any_key)) - { - UPDATE(grab->modifiersDetail.pMask, - pMinuendGrab->modifiersDetail.exact); - } - else if ((pMinuendGrab->detail.exact != any_key) - && (pMinuendGrab->modifiersDetail.exact != any_modifier)) - { - GrabPtr pNewGrab; - GrabParameters param; - - UPDATE(grab->detail.pMask, pMinuendGrab->detail.exact); - - memset(¶m, 0, sizeof(param)); - param.ownerEvents = grab->ownerEvents; - param.this_device_mode = grab->keyboardMode; - param.other_devices_mode = grab->pointerMode; - param.modifiers = any_modifier; - - pNewGrab = CreateGrab(CLIENT_ID(grab->resource), grab->device, - grab->modifierDevice, grab->window, - grab->grabtype, - (GrabMask*)&grab->eventMask, - ¶m, (int)grab->type, - pMinuendGrab->detail.exact, - grab->confineTo, grab->cursor); - if (!pNewGrab) - ok = FALSE; - else if (!(pNewGrab->modifiersDetail.pMask = - DeleteDetailFromMask(grab->modifiersDetail.pMask, - pMinuendGrab->modifiersDetail.exact)) - || - (!pNewGrab->window->optional && - !MakeWindowOptional(pNewGrab->window))) - { - FreeGrab(pNewGrab); - ok = FALSE; - } - else if (!AddResource(pNewGrab->resource, RT_PASSIVEGRAB, - (pointer)pNewGrab)) - ok = FALSE; - else - adds[nadds++] = pNewGrab; - } - else if (pMinuendGrab->detail.exact == any_key) - { - UPDATE(grab->modifiersDetail.pMask, - pMinuendGrab->modifiersDetail.exact); - } - else - { - UPDATE(grab->detail.pMask, pMinuendGrab->detail.exact); - } - } - - if (!ok) - { - for (i = 0; i < nadds; i++) - FreeResource(adds[i]->resource, RT_NONE); - for (i = 0; i < nups; i++) - xfree(details[i]); - } - else - { - for (i = 0; i < ndels; i++) - FreeResource(deletes[i]->resource, RT_NONE); - for (i = 0; i < nadds; i++) - { - grab = adds[i]; - grab->next = grab->window->optional->passiveGrabs; - grab->window->optional->passiveGrabs = grab; - } - for (i = 0; i < nups; i++) - { - xfree(*updates[i]); - *updates[i] = details[i]; - } - } - xfree(details); - xfree(updates); - xfree(adds); - xfree(deletes); - return ok; - -#undef UPDATE -} +/*
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN action OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+*/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include "misc.h"
+#include <X11/Xproto.h>
+#include <X11/extensions/XI2.h>
+#include "windowstr.h"
+#include "inputstr.h"
+#include "cursorstr.h"
+#include "dixgrabs.h"
+#include "xace.h"
+#include "exevents.h"
+
+#define BITMASK(i) (((Mask)1) << ((i) & 31))
+#define MASKIDX(i) ((i) >> 5)
+#define MASKWORD(buf, i) buf[MASKIDX(i)]
+#define BITSET(buf, i) MASKWORD(buf, i) |= BITMASK(i)
+#define BITCLEAR(buf, i) MASKWORD(buf, i) &= ~BITMASK(i)
+#define GETBIT(buf, i) (MASKWORD(buf, i) & BITMASK(i))
+
+GrabPtr
+CreateGrab(
+ int client,
+ DeviceIntPtr device,
+ DeviceIntPtr modDevice,
+ WindowPtr window,
+ GrabType grabtype,
+ GrabMask *mask,
+ GrabParameters *param,
+ int type,
+ KeyCode keybut, /* key or button */
+ WindowPtr confineTo,
+ CursorPtr cursor)
+{
+ GrabPtr grab;
+
+ grab = calloc(1, sizeof(GrabRec));
+ if (!grab)
+ return (GrabPtr)NULL;
+ grab->resource = FakeClientID(client);
+ grab->device = device;
+ grab->window = window;
+ grab->eventMask = mask->core; /* same for XI */
+ grab->deviceMask = 0;
+ grab->ownerEvents = param->ownerEvents;
+ grab->keyboardMode = param->this_device_mode;
+ grab->pointerMode = param->other_devices_mode;
+ grab->modifiersDetail.exact = param->modifiers;
+ grab->modifiersDetail.pMask = NULL;
+ grab->modifierDevice = modDevice;
+ grab->type = type;
+ grab->grabtype = grabtype;
+ grab->detail.exact = keybut;
+ grab->detail.pMask = NULL;
+ grab->confineTo = confineTo;
+ grab->cursor = cursor;
+ grab->next = NULL;
+
+ if (grabtype == GRABTYPE_XI2)
+ memcpy(grab->xi2mask, mask->xi2mask, sizeof(mask->xi2mask));
+ if (cursor)
+ cursor->refcnt++;
+ return grab;
+
+}
+
+static void
+FreeGrab(GrabPtr pGrab)
+{
+ if (pGrab->modifiersDetail.pMask != NULL)
+ free(pGrab->modifiersDetail.pMask);
+
+ if (pGrab->detail.pMask != NULL)
+ free(pGrab->detail.pMask);
+
+ if (pGrab->cursor)
+ FreeCursor(pGrab->cursor, (Cursor)0);
+
+ free(pGrab);
+}
+
+int
+DeletePassiveGrab(pointer value, XID id)
+{
+ GrabPtr g, prev;
+ GrabPtr pGrab = (GrabPtr)value;
+
+ /* it is OK if the grab isn't found */
+ prev = 0;
+ for (g = (wPassiveGrabs (pGrab->window)); g; g = g->next)
+ {
+ if (pGrab == g)
+ {
+ if (prev)
+ prev->next = g->next;
+ else
+ if (!(pGrab->window->optional->passiveGrabs = g->next))
+ CheckWindowOptionalNeed (pGrab->window);
+ break;
+ }
+ prev = g;
+ }
+ FreeGrab(pGrab);
+ return Success;
+}
+
+static Mask *
+DeleteDetailFromMask(Mask *pDetailMask, unsigned int detail)
+{
+ Mask *mask;
+ int i;
+
+ mask = malloc(sizeof(Mask) * MasksPerDetailMask);
+ if (mask)
+ {
+ if (pDetailMask)
+ for (i = 0; i < MasksPerDetailMask; i++)
+ mask[i]= pDetailMask[i];
+ else
+ for (i = 0; i < MasksPerDetailMask; i++)
+ mask[i]= ~0L;
+ BITCLEAR(mask, detail);
+ }
+ return mask;
+}
+
+static Bool
+IsInGrabMask(
+ DetailRec firstDetail,
+ DetailRec secondDetail,
+ unsigned int exception)
+{
+ if (firstDetail.exact == exception)
+ {
+ if (firstDetail.pMask == NULL)
+ return TRUE;
+
+ /* (at present) never called with two non-null pMasks */
+ if (secondDetail.exact == exception)
+ return FALSE;
+
+ if (GETBIT(firstDetail.pMask, secondDetail.exact))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static Bool
+IdenticalExactDetails(
+ unsigned int firstExact,
+ unsigned int secondExact,
+ unsigned int exception)
+{
+ if ((firstExact == exception) || (secondExact == exception))
+ return FALSE;
+
+ if (firstExact == secondExact)
+ return TRUE;
+
+ return FALSE;
+}
+
+static Bool
+DetailSupersedesSecond(
+ DetailRec firstDetail,
+ DetailRec secondDetail,
+ unsigned int exception)
+{
+ if (IsInGrabMask(firstDetail, secondDetail, exception))
+ return TRUE;
+
+ if (IdenticalExactDetails(firstDetail.exact, secondDetail.exact,
+ exception))
+ return TRUE;
+
+ return FALSE;
+}
+
+static Bool
+GrabSupersedesSecond(GrabPtr pFirstGrab, GrabPtr pSecondGrab)
+{
+ unsigned int any_modifier = (pFirstGrab->grabtype == GRABTYPE_XI2) ?
+ (unsigned int)XIAnyModifier :
+ (unsigned int)AnyModifier;
+ if (!DetailSupersedesSecond(pFirstGrab->modifiersDetail,
+ pSecondGrab->modifiersDetail,
+ any_modifier))
+ return FALSE;
+
+ if (DetailSupersedesSecond(pFirstGrab->detail,
+ pSecondGrab->detail, (unsigned int)AnyKey))
+ return TRUE;
+
+ return FALSE;
+}
+
+/**
+ * Compares two grabs and returns TRUE if the first grab matches the second
+ * grab.
+ *
+ * A match is when
+ * - the devices set for the grab are equal (this is optional).
+ * - the event types for both grabs are equal.
+ * - XXX
+ *
+ * @param ignoreDevice TRUE if the device settings on the grabs are to be
+ * ignored.
+ * @return TRUE if the grabs match or FALSE otherwise.
+ */
+Bool
+GrabMatchesSecond(GrabPtr pFirstGrab, GrabPtr pSecondGrab, Bool ignoreDevice)
+{
+ unsigned int any_modifier = (pFirstGrab->grabtype == GRABTYPE_XI2) ?
+ (unsigned int)XIAnyModifier :
+ (unsigned int)AnyModifier;
+
+ if (pFirstGrab->grabtype != pSecondGrab->grabtype)
+ return FALSE;
+
+ if (pFirstGrab->grabtype == GRABTYPE_XI2)
+ {
+ if (pFirstGrab->device == inputInfo.all_devices ||
+ pSecondGrab->device == inputInfo.all_devices)
+ {
+ /* do nothing */
+ } else if (pFirstGrab->device == inputInfo.all_master_devices)
+ {
+ if (pSecondGrab->device != inputInfo.all_master_devices &&
+ !IsMaster(pSecondGrab->device))
+ return FALSE;
+ } else if (pSecondGrab->device == inputInfo.all_master_devices)
+ {
+ if (pFirstGrab->device != inputInfo.all_master_devices &&
+ !IsMaster(pFirstGrab->device))
+ return FALSE;
+ } else if (pSecondGrab->device != pFirstGrab->device)
+ return FALSE;
+ } else if (!ignoreDevice &&
+ ((pFirstGrab->device != pSecondGrab->device) ||
+ (pFirstGrab->modifierDevice != pSecondGrab->modifierDevice)))
+ return FALSE;
+
+ if (pFirstGrab->type != pSecondGrab->type)
+ return FALSE;
+
+ if (GrabSupersedesSecond(pFirstGrab, pSecondGrab) ||
+ GrabSupersedesSecond(pSecondGrab, pFirstGrab))
+ return TRUE;
+
+ if (DetailSupersedesSecond(pSecondGrab->detail, pFirstGrab->detail,
+ (unsigned int)AnyKey)
+ &&
+ DetailSupersedesSecond(pFirstGrab->modifiersDetail,
+ pSecondGrab->modifiersDetail,
+ any_modifier))
+ return TRUE;
+
+ if (DetailSupersedesSecond(pFirstGrab->detail, pSecondGrab->detail,
+ (unsigned int)AnyKey)
+ &&
+ DetailSupersedesSecond(pSecondGrab->modifiersDetail,
+ pFirstGrab->modifiersDetail,
+ any_modifier))
+ return TRUE;
+
+ return FALSE;
+}
+
+static Bool
+GrabsAreIdentical(GrabPtr pFirstGrab, GrabPtr pSecondGrab)
+{
+ unsigned int any_modifier = (pFirstGrab->grabtype == GRABTYPE_XI2) ?
+ (unsigned int)XIAnyModifier :
+ (unsigned int)AnyModifier;
+
+ if (pFirstGrab->grabtype != pSecondGrab->grabtype)
+ return FALSE;
+
+ if (pFirstGrab->device != pSecondGrab->device ||
+ (pFirstGrab->modifierDevice != pSecondGrab->modifierDevice) ||
+ (pFirstGrab->type != pSecondGrab->type))
+ return FALSE;
+
+ if (!(DetailSupersedesSecond(pFirstGrab->detail,
+ pSecondGrab->detail,
+ (unsigned int)AnyKey) &&
+ DetailSupersedesSecond(pSecondGrab->detail,
+ pFirstGrab->detail,
+ (unsigned int)AnyKey)))
+ return FALSE;
+
+
+ if (!(DetailSupersedesSecond(pFirstGrab->modifiersDetail,
+ pSecondGrab->modifiersDetail,
+ any_modifier) &&
+ DetailSupersedesSecond(pSecondGrab->modifiersDetail,
+ pFirstGrab->modifiersDetail,
+ any_modifier)))
+ return FALSE;
+
+ return TRUE;
+}
+
+
+/**
+ * Prepend the new grab to the list of passive grabs on the window.
+ * Any previously existing grab that matches the new grab will be removed.
+ * Adding a new grab that would override another client's grab will result in
+ * a BadAccess.
+ *
+ * @return Success or X error code on failure.
+ */
+int
+AddPassiveGrabToList(ClientPtr client, GrabPtr pGrab)
+{
+ GrabPtr grab;
+ Mask access_mode = DixGrabAccess;
+ int rc;
+
+ for (grab = wPassiveGrabs(pGrab->window); grab; grab = grab->next)
+ {
+ if (GrabMatchesSecond(pGrab, grab, FALSE))
+ {
+ if (CLIENT_BITS(pGrab->resource) != CLIENT_BITS(grab->resource))
+ {
+ FreeGrab(pGrab);
+ return BadAccess;
+ }
+ }
+ }
+
+ if (pGrab->keyboardMode == GrabModeSync||pGrab->pointerMode == GrabModeSync)
+ access_mode |= DixFreezeAccess;
+ rc = XaceHook(XACE_DEVICE_ACCESS, client, pGrab->device, access_mode);
+ if (rc != Success)
+ return rc;
+
+ /* Remove all grabs that match the new one exactly */
+ for (grab = wPassiveGrabs(pGrab->window); grab; grab = grab->next)
+ {
+ if (GrabsAreIdentical(pGrab, grab))
+ {
+ DeletePassiveGrabFromList(grab);
+ break;
+ }
+ }
+
+ if (!pGrab->window->optional && !MakeWindowOptional (pGrab->window))
+ {
+ FreeGrab(pGrab);
+ return BadAlloc;
+ }
+
+ pGrab->next = pGrab->window->optional->passiveGrabs;
+ pGrab->window->optional->passiveGrabs = pGrab;
+ if (AddResource(pGrab->resource, RT_PASSIVEGRAB, (pointer)pGrab))
+ return Success;
+ return BadAlloc;
+}
+
+/* the following is kinda complicated, because we need to be able to back out
+ * if any allocation fails
+ */
+
+Bool
+DeletePassiveGrabFromList(GrabPtr pMinuendGrab)
+{
+ GrabPtr grab;
+ GrabPtr *deletes, *adds;
+ Mask ***updates, **details;
+ int i, ndels, nadds, nups;
+ Bool ok;
+ unsigned int any_modifier;
+ unsigned int any_key;
+
+#define UPDATE(mask,exact) \
+ if (!(details[nups] = DeleteDetailFromMask(mask, exact))) \
+ ok = FALSE; \
+ else \
+ updates[nups++] = &(mask)
+
+ i = 0;
+ for (grab = wPassiveGrabs(pMinuendGrab->window); grab; grab = grab->next)
+ i++;
+ if (!i)
+ return TRUE;
+ deletes = malloc(i * sizeof(GrabPtr));
+ adds = malloc(i * sizeof(GrabPtr));
+ updates = malloc(i * sizeof(Mask **));
+ details = malloc(i * sizeof(Mask *));
+ if (!deletes || !adds || !updates || !details)
+ {
+ if (details) free(details);
+ if (updates) free(updates);
+ if (adds) free(adds);
+ if (deletes) free(deletes);
+ return FALSE;
+ }
+
+ any_modifier = (pMinuendGrab->grabtype == GRABTYPE_XI2) ?
+ (unsigned int)XIAnyModifier : (unsigned int)AnyModifier;
+ any_key = (pMinuendGrab->grabtype == GRABTYPE_XI2) ?
+ (unsigned int)XIAnyKeycode : (unsigned int)AnyKey;
+ ndels = nadds = nups = 0;
+ ok = TRUE;
+ for (grab = wPassiveGrabs(pMinuendGrab->window);
+ grab && ok;
+ grab = grab->next)
+ {
+ if ((CLIENT_BITS(grab->resource) != CLIENT_BITS(pMinuendGrab->resource)) ||
+ !GrabMatchesSecond(grab, pMinuendGrab,
+ (grab->grabtype == GRABTYPE_CORE)))
+ continue;
+ if (GrabSupersedesSecond(pMinuendGrab, grab))
+ {
+ deletes[ndels++] = grab;
+ }
+ else if ((grab->detail.exact == any_key)
+ && (grab->modifiersDetail.exact != any_modifier))
+ {
+ UPDATE(grab->detail.pMask, pMinuendGrab->detail.exact);
+ }
+ else if ((grab->modifiersDetail.exact == any_modifier)
+ && (grab->detail.exact != any_key))
+ {
+ UPDATE(grab->modifiersDetail.pMask,
+ pMinuendGrab->modifiersDetail.exact);
+ }
+ else if ((pMinuendGrab->detail.exact != any_key)
+ && (pMinuendGrab->modifiersDetail.exact != any_modifier))
+ {
+ GrabPtr pNewGrab;
+ GrabParameters param;
+
+ UPDATE(grab->detail.pMask, pMinuendGrab->detail.exact);
+
+ memset(¶m, 0, sizeof(param));
+ param.ownerEvents = grab->ownerEvents;
+ param.this_device_mode = grab->keyboardMode;
+ param.other_devices_mode = grab->pointerMode;
+ param.modifiers = any_modifier;
+
+ pNewGrab = CreateGrab(CLIENT_ID(grab->resource), grab->device,
+ grab->modifierDevice, grab->window,
+ grab->grabtype,
+ (GrabMask*)&grab->eventMask,
+ ¶m, (int)grab->type,
+ pMinuendGrab->detail.exact,
+ grab->confineTo, grab->cursor);
+ if (!pNewGrab)
+ ok = FALSE;
+ else if (!(pNewGrab->modifiersDetail.pMask =
+ DeleteDetailFromMask(grab->modifiersDetail.pMask,
+ pMinuendGrab->modifiersDetail.exact))
+ ||
+ (!pNewGrab->window->optional &&
+ !MakeWindowOptional(pNewGrab->window)))
+ {
+ FreeGrab(pNewGrab);
+ ok = FALSE;
+ }
+ else if (!AddResource(pNewGrab->resource, RT_PASSIVEGRAB,
+ (pointer)pNewGrab))
+ ok = FALSE;
+ else
+ adds[nadds++] = pNewGrab;
+ }
+ else if (pMinuendGrab->detail.exact == any_key)
+ {
+ UPDATE(grab->modifiersDetail.pMask,
+ pMinuendGrab->modifiersDetail.exact);
+ }
+ else
+ {
+ UPDATE(grab->detail.pMask, pMinuendGrab->detail.exact);
+ }
+ }
+
+ if (!ok)
+ {
+ for (i = 0; i < nadds; i++)
+ FreeResource(adds[i]->resource, RT_NONE);
+ for (i = 0; i < nups; i++)
+ free(details[i]);
+ }
+ else
+ {
+ for (i = 0; i < ndels; i++)
+ FreeResource(deletes[i]->resource, RT_NONE);
+ for (i = 0; i < nadds; i++)
+ {
+ grab = adds[i];
+ grab->next = grab->window->optional->passiveGrabs;
+ grab->window->optional->passiveGrabs = grab;
+ }
+ for (i = 0; i < nups; i++)
+ {
+ free(*updates[i]);
+ *updates[i] = details[i];
+ }
+ }
+ free(details);
+ free(updates);
+ free(adds);
+ free(deletes);
+ return ok;
+
+#undef UPDATE
+}
diff --git a/xorg-server/dix/inpututils.c b/xorg-server/dix/inpututils.c index 4848c1bc2..55c27e80f 100644 --- a/xorg-server/dix/inpututils.c +++ b/xorg-server/dix/inpututils.c @@ -1,334 +1,334 @@ -/* - * Copyright © 2008 Daniel Stone - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Author: Daniel Stone <daniel@fooishbar.org> - */ - -#ifdef HAVE_DIX_CONFIG_H -#include "dix-config.h" -#endif - -#include "exevents.h" -#include "exglobals.h" -#include "misc.h" -#include "input.h" -#include "inputstr.h" -#include "xace.h" -#include "xkbsrv.h" -#include "xkbstr.h" - -/* Check if a button map change is okay with the device. - * Returns -1 for BadValue, as it collides with MappingBusy. */ -static int -check_butmap_change(DeviceIntPtr dev, CARD8 *map, int len, CARD32 *errval_out, - ClientPtr client) -{ - int i, ret; - - if (!dev || !dev->button) - { - client->errorValue = (dev) ? dev->id : 0; - return BadDevice; - } - - ret = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixManageAccess); - if (ret != Success) - { - client->errorValue = dev->id; - return ret; - } - - for (i = 0; i < len; i++) { - if (dev->button->map[i + 1] != map[i] && dev->button->down[i + 1]) - return MappingBusy; - } - - return Success; -} - -static void -do_butmap_change(DeviceIntPtr dev, CARD8 *map, int len, ClientPtr client) -{ - int i; - xEvent core_mn; - deviceMappingNotify xi_mn; - - /* The map in ButtonClassRec refers to button numbers, whereas the - * protocol is zero-indexed. Sigh. */ - memcpy(&(dev->button->map[1]), map, len); - - core_mn.u.u.type = MappingNotify; - core_mn.u.mappingNotify.request = MappingPointer; - - /* 0 is the server client. */ - for (i = 1; i < currentMaxClients; i++) { - /* Don't send irrelevant events to naïve clients. */ - if (!clients[i] || clients[i]->clientState != ClientStateRunning) - continue; - - if (!XIShouldNotify(clients[i], dev)) - continue; - - core_mn.u.u.sequenceNumber = clients[i]->sequence; - WriteEventsToClient(clients[i], 1, &core_mn); - } - - xi_mn.type = DeviceMappingNotify; - xi_mn.request = MappingPointer; - xi_mn.deviceid = dev->id; - xi_mn.time = GetTimeInMillis(); - - SendEventToAllWindows(dev, DeviceMappingNotifyMask, (xEvent *) &xi_mn, 1); -} - -/* - * Does what it says on the box, both for core and Xi. - * - * Faithfully reports any errors encountered while trying to apply the map - * to the requested device, faithfully ignores any errors encountered while - * trying to apply the map to its master/slaves. - */ -int -ApplyPointerMapping(DeviceIntPtr dev, CARD8 *map, int len, ClientPtr client) -{ - int ret; - - /* If we can't perform the change on the requested device, bail out. */ - ret = check_butmap_change(dev, map, len, &client->errorValue, client); - if (ret != Success) - return ret; - do_butmap_change(dev, map, len, client); - - return Success; -} - -/* Check if a modifier map change is okay with the device. - * Returns -1 for BadValue, as it collides with MappingBusy; this particular - * caveat can be removed with LegalModifier, as we have no other reason to - * set MappingFailed. Sigh. */ -static int -check_modmap_change(ClientPtr client, DeviceIntPtr dev, KeyCode *modmap) -{ - int ret, i; - XkbDescPtr xkb; - - ret = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixManageAccess); - if (ret != Success) - return ret; - - if (!dev->key) - return BadMatch; - xkb = dev->key->xkbInfo->desc; - - for (i = 0; i < MAP_LENGTH; i++) { - if (!modmap[i]) - continue; - - /* Check that all the new modifiers fall within the advertised - * keycode range. */ - if (i < xkb->min_key_code || i > xkb->max_key_code) { - client->errorValue = i; - return -1; - } - - /* Make sure the mapping is okay with the DDX. */ - if (!LegalModifier(i, dev)) { - client->errorValue = i; - return MappingFailed; - } - - /* None of the new modifiers may be down while we change the - * map. */ - if (key_is_down(dev, i, KEY_POSTED | KEY_PROCESSED)) { - client->errorValue = i; - return MappingBusy; - } - } - - /* None of the old modifiers may be down while we change the map, - * either. */ - for (i = xkb->min_key_code; i < xkb->max_key_code; i++) { - if (!xkb->map->modmap[i]) - continue; - if (key_is_down(dev, i, KEY_POSTED | KEY_PROCESSED)) { - client->errorValue = i; - return MappingBusy; - } - } - - return Success; -} - -static int -check_modmap_change_slave(ClientPtr client, DeviceIntPtr master, - DeviceIntPtr slave, CARD8 *modmap) -{ - XkbDescPtr master_xkb, slave_xkb; - int i, j; - - if (!slave->key || !master->key) - return 0; - - master_xkb = master->key->xkbInfo->desc; - slave_xkb = slave->key->xkbInfo->desc; - - /* Ignore devices with a clearly different keymap. */ - if (slave_xkb->min_key_code != master_xkb->min_key_code || - slave_xkb->max_key_code != master_xkb->max_key_code) - return 0; - - for (i = 0; i < MAP_LENGTH; i++) { - if (!modmap[i]) - continue; - - /* If we have different symbols for any modifier on an - * extended keyboard, ignore the whole remap request. */ - for (j = 0; - j < XkbKeyNumSyms(slave_xkb, i) && - j < XkbKeyNumSyms(master_xkb, i); - j++) - if (XkbKeySymsPtr(slave_xkb, i)[j] != XkbKeySymsPtr(master_xkb, i)[j]) - return 0; - } - - if (check_modmap_change(client, slave, modmap) != Success) - return 0; - - return 1; -} - -/* Actually change the modifier map, and send notifications. Cannot fail. */ -static void -do_modmap_change(ClientPtr client, DeviceIntPtr dev, CARD8 *modmap) -{ - XkbApplyMappingChange(dev, NULL, 0, 0, modmap, serverClient); -} - -/* Rebuild modmap (key -> mod) from map (mod -> key). */ -static int build_modmap_from_modkeymap(CARD8 *modmap, KeyCode *modkeymap, - int max_keys_per_mod) -{ - int i, len = max_keys_per_mod * 8; - - memset(modmap, 0, MAP_LENGTH); - - for (i = 0; i < len; i++) { - if (!modkeymap[i]) - continue; - - if (modkeymap[i] >= MAP_LENGTH) - return BadValue; - - if (modmap[modkeymap[i]]) - return BadValue; - - modmap[modkeymap[i]] = 1 << (i / max_keys_per_mod); - } - - return Success; -} - -int -change_modmap(ClientPtr client, DeviceIntPtr dev, KeyCode *modkeymap, - int max_keys_per_mod) -{ - int ret; - CARD8 modmap[MAP_LENGTH]; - DeviceIntPtr tmp; - - ret = build_modmap_from_modkeymap(modmap, modkeymap, max_keys_per_mod); - if (ret != Success) - return ret; - - /* If we can't perform the change on the requested device, bail out. */ - ret = check_modmap_change(client, dev, modmap); - if (ret != Success) - return ret; - do_modmap_change(client, dev, modmap); - - /* Change any attached masters/slaves. */ - if (IsMaster(dev)) { - for (tmp = inputInfo.devices; tmp; tmp = tmp->next) { - if (!IsMaster(tmp) && tmp->u.master == dev) - if (check_modmap_change_slave(client, dev, tmp, modmap)) - do_modmap_change(client, tmp, modmap); - } - } - else if (dev->u.master && dev->u.master->u.lastSlave == dev) { - /* If this fails, expect the results to be weird. */ - if (check_modmap_change(client, dev->u.master, modmap)) - do_modmap_change(client, dev->u.master, modmap); - } - - return Success; -} - -int generate_modkeymap(ClientPtr client, DeviceIntPtr dev, - KeyCode **modkeymap_out, int *max_keys_per_mod_out) -{ - CARD8 keys_per_mod[8]; - int max_keys_per_mod; - KeyCode *modkeymap; - int i, j, ret; - - ret = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixGetAttrAccess); - if (ret != Success) - return ret; - - if (!dev->key) - return BadMatch; - - /* Count the number of keys per modifier to determine how wide we - * should make the map. */ - max_keys_per_mod = 0; - for (i = 0; i < 8; i++) - keys_per_mod[i] = 0; - for (i = 8; i < MAP_LENGTH; i++) { - for (j = 0; j < 8; j++) { - if (dev->key->xkbInfo->desc->map->modmap[i] & (1 << j)) { - if (++keys_per_mod[j] > max_keys_per_mod) - max_keys_per_mod = keys_per_mod[j]; - } - } - } - - modkeymap = xcalloc(max_keys_per_mod * 8, sizeof(KeyCode)); - if (!modkeymap) - return BadAlloc; - - for (i = 0; i < 8; i++) - keys_per_mod[i] = 0; - - for (i = 8; i < MAP_LENGTH; i++) { - for (j = 0; j < 8; j++) { - if (dev->key->xkbInfo->desc->map->modmap[i] & (1 << j)) { - modkeymap[(j * max_keys_per_mod) + keys_per_mod[j]] = i; - keys_per_mod[j]++; - } - } - } - - *max_keys_per_mod_out = max_keys_per_mod; - *modkeymap_out = modkeymap; - - return Success; -} +/*
+ * Copyright © 2008 Daniel Stone
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Author: Daniel Stone <daniel@fooishbar.org>
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include "dix-config.h"
+#endif
+
+#include "exevents.h"
+#include "exglobals.h"
+#include "misc.h"
+#include "input.h"
+#include "inputstr.h"
+#include "xace.h"
+#include "xkbsrv.h"
+#include "xkbstr.h"
+
+/* Check if a button map change is okay with the device.
+ * Returns -1 for BadValue, as it collides with MappingBusy. */
+static int
+check_butmap_change(DeviceIntPtr dev, CARD8 *map, int len, CARD32 *errval_out,
+ ClientPtr client)
+{
+ int i, ret;
+
+ if (!dev || !dev->button)
+ {
+ client->errorValue = (dev) ? dev->id : 0;
+ return BadDevice;
+ }
+
+ ret = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixManageAccess);
+ if (ret != Success)
+ {
+ client->errorValue = dev->id;
+ return ret;
+ }
+
+ for (i = 0; i < len; i++) {
+ if (dev->button->map[i + 1] != map[i] && dev->button->down[i + 1])
+ return MappingBusy;
+ }
+
+ return Success;
+}
+
+static void
+do_butmap_change(DeviceIntPtr dev, CARD8 *map, int len, ClientPtr client)
+{
+ int i;
+ xEvent core_mn;
+ deviceMappingNotify xi_mn;
+
+ /* The map in ButtonClassRec refers to button numbers, whereas the
+ * protocol is zero-indexed. Sigh. */
+ memcpy(&(dev->button->map[1]), map, len);
+
+ core_mn.u.u.type = MappingNotify;
+ core_mn.u.mappingNotify.request = MappingPointer;
+
+ /* 0 is the server client. */
+ for (i = 1; i < currentMaxClients; i++) {
+ /* Don't send irrelevant events to naïve clients. */
+ if (!clients[i] || clients[i]->clientState != ClientStateRunning)
+ continue;
+
+ if (!XIShouldNotify(clients[i], dev))
+ continue;
+
+ core_mn.u.u.sequenceNumber = clients[i]->sequence;
+ WriteEventsToClient(clients[i], 1, &core_mn);
+ }
+
+ xi_mn.type = DeviceMappingNotify;
+ xi_mn.request = MappingPointer;
+ xi_mn.deviceid = dev->id;
+ xi_mn.time = GetTimeInMillis();
+
+ SendEventToAllWindows(dev, DeviceMappingNotifyMask, (xEvent *) &xi_mn, 1);
+}
+
+/*
+ * Does what it says on the box, both for core and Xi.
+ *
+ * Faithfully reports any errors encountered while trying to apply the map
+ * to the requested device, faithfully ignores any errors encountered while
+ * trying to apply the map to its master/slaves.
+ */
+int
+ApplyPointerMapping(DeviceIntPtr dev, CARD8 *map, int len, ClientPtr client)
+{
+ int ret;
+
+ /* If we can't perform the change on the requested device, bail out. */
+ ret = check_butmap_change(dev, map, len, &client->errorValue, client);
+ if (ret != Success)
+ return ret;
+ do_butmap_change(dev, map, len, client);
+
+ return Success;
+}
+
+/* Check if a modifier map change is okay with the device.
+ * Returns -1 for BadValue, as it collides with MappingBusy; this particular
+ * caveat can be removed with LegalModifier, as we have no other reason to
+ * set MappingFailed. Sigh. */
+static int
+check_modmap_change(ClientPtr client, DeviceIntPtr dev, KeyCode *modmap)
+{
+ int ret, i;
+ XkbDescPtr xkb;
+
+ ret = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixManageAccess);
+ if (ret != Success)
+ return ret;
+
+ if (!dev->key)
+ return BadMatch;
+ xkb = dev->key->xkbInfo->desc;
+
+ for (i = 0; i < MAP_LENGTH; i++) {
+ if (!modmap[i])
+ continue;
+
+ /* Check that all the new modifiers fall within the advertised
+ * keycode range. */
+ if (i < xkb->min_key_code || i > xkb->max_key_code) {
+ client->errorValue = i;
+ return -1;
+ }
+
+ /* Make sure the mapping is okay with the DDX. */
+ if (!LegalModifier(i, dev)) {
+ client->errorValue = i;
+ return MappingFailed;
+ }
+
+ /* None of the new modifiers may be down while we change the
+ * map. */
+ if (key_is_down(dev, i, KEY_POSTED | KEY_PROCESSED)) {
+ client->errorValue = i;
+ return MappingBusy;
+ }
+ }
+
+ /* None of the old modifiers may be down while we change the map,
+ * either. */
+ for (i = xkb->min_key_code; i < xkb->max_key_code; i++) {
+ if (!xkb->map->modmap[i])
+ continue;
+ if (key_is_down(dev, i, KEY_POSTED | KEY_PROCESSED)) {
+ client->errorValue = i;
+ return MappingBusy;
+ }
+ }
+
+ return Success;
+}
+
+static int
+check_modmap_change_slave(ClientPtr client, DeviceIntPtr master,
+ DeviceIntPtr slave, CARD8 *modmap)
+{
+ XkbDescPtr master_xkb, slave_xkb;
+ int i, j;
+
+ if (!slave->key || !master->key)
+ return 0;
+
+ master_xkb = master->key->xkbInfo->desc;
+ slave_xkb = slave->key->xkbInfo->desc;
+
+ /* Ignore devices with a clearly different keymap. */
+ if (slave_xkb->min_key_code != master_xkb->min_key_code ||
+ slave_xkb->max_key_code != master_xkb->max_key_code)
+ return 0;
+
+ for (i = 0; i < MAP_LENGTH; i++) {
+ if (!modmap[i])
+ continue;
+
+ /* If we have different symbols for any modifier on an
+ * extended keyboard, ignore the whole remap request. */
+ for (j = 0;
+ j < XkbKeyNumSyms(slave_xkb, i) &&
+ j < XkbKeyNumSyms(master_xkb, i);
+ j++)
+ if (XkbKeySymsPtr(slave_xkb, i)[j] != XkbKeySymsPtr(master_xkb, i)[j])
+ return 0;
+ }
+
+ if (check_modmap_change(client, slave, modmap) != Success)
+ return 0;
+
+ return 1;
+}
+
+/* Actually change the modifier map, and send notifications. Cannot fail. */
+static void
+do_modmap_change(ClientPtr client, DeviceIntPtr dev, CARD8 *modmap)
+{
+ XkbApplyMappingChange(dev, NULL, 0, 0, modmap, serverClient);
+}
+
+/* Rebuild modmap (key -> mod) from map (mod -> key). */
+static int build_modmap_from_modkeymap(CARD8 *modmap, KeyCode *modkeymap,
+ int max_keys_per_mod)
+{
+ int i, len = max_keys_per_mod * 8;
+
+ memset(modmap, 0, MAP_LENGTH);
+
+ for (i = 0; i < len; i++) {
+ if (!modkeymap[i])
+ continue;
+
+ if (modkeymap[i] >= MAP_LENGTH)
+ return BadValue;
+
+ if (modmap[modkeymap[i]])
+ return BadValue;
+
+ modmap[modkeymap[i]] = 1 << (i / max_keys_per_mod);
+ }
+
+ return Success;
+}
+
+int
+change_modmap(ClientPtr client, DeviceIntPtr dev, KeyCode *modkeymap,
+ int max_keys_per_mod)
+{
+ int ret;
+ CARD8 modmap[MAP_LENGTH];
+ DeviceIntPtr tmp;
+
+ ret = build_modmap_from_modkeymap(modmap, modkeymap, max_keys_per_mod);
+ if (ret != Success)
+ return ret;
+
+ /* If we can't perform the change on the requested device, bail out. */
+ ret = check_modmap_change(client, dev, modmap);
+ if (ret != Success)
+ return ret;
+ do_modmap_change(client, dev, modmap);
+
+ /* Change any attached masters/slaves. */
+ if (IsMaster(dev)) {
+ for (tmp = inputInfo.devices; tmp; tmp = tmp->next) {
+ if (!IsMaster(tmp) && tmp->u.master == dev)
+ if (check_modmap_change_slave(client, dev, tmp, modmap))
+ do_modmap_change(client, tmp, modmap);
+ }
+ }
+ else if (dev->u.master && dev->u.master->u.lastSlave == dev) {
+ /* If this fails, expect the results to be weird. */
+ if (check_modmap_change(client, dev->u.master, modmap))
+ do_modmap_change(client, dev->u.master, modmap);
+ }
+
+ return Success;
+}
+
+int generate_modkeymap(ClientPtr client, DeviceIntPtr dev,
+ KeyCode **modkeymap_out, int *max_keys_per_mod_out)
+{
+ CARD8 keys_per_mod[8];
+ int max_keys_per_mod;
+ KeyCode *modkeymap;
+ int i, j, ret;
+
+ ret = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixGetAttrAccess);
+ if (ret != Success)
+ return ret;
+
+ if (!dev->key)
+ return BadMatch;
+
+ /* Count the number of keys per modifier to determine how wide we
+ * should make the map. */
+ max_keys_per_mod = 0;
+ for (i = 0; i < 8; i++)
+ keys_per_mod[i] = 0;
+ for (i = 8; i < MAP_LENGTH; i++) {
+ for (j = 0; j < 8; j++) {
+ if (dev->key->xkbInfo->desc->map->modmap[i] & (1 << j)) {
+ if (++keys_per_mod[j] > max_keys_per_mod)
+ max_keys_per_mod = keys_per_mod[j];
+ }
+ }
+ }
+
+ modkeymap = calloc(max_keys_per_mod * 8, sizeof(KeyCode));
+ if (!modkeymap)
+ return BadAlloc;
+
+ for (i = 0; i < 8; i++)
+ keys_per_mod[i] = 0;
+
+ for (i = 8; i < MAP_LENGTH; i++) {
+ for (j = 0; j < 8; j++) {
+ if (dev->key->xkbInfo->desc->map->modmap[i] & (1 << j)) {
+ modkeymap[(j * max_keys_per_mod) + keys_per_mod[j]] = i;
+ keys_per_mod[j]++;
+ }
+ }
+ }
+
+ *max_keys_per_mod_out = max_keys_per_mod;
+ *modkeymap_out = modkeymap;
+
+ return Success;
+}
diff --git a/xorg-server/dix/main.c b/xorg-server/dix/main.c index 6cde35553..a4080d39f 100644 --- a/xorg-server/dix/main.c +++ b/xorg-server/dix/main.c @@ -218,7 +218,7 @@ int main(int argc, char *argv[], char *envp[]) InitProcVectors();
for (i=1; i<MAXCLIENTS; i++)
clients[i] = NullClient;
- serverClient = xalloc(sizeof(ClientRec));
+ serverClient = malloc(sizeof(ClientRec));
if (!serverClient)
FatalError("couldn't create server client");
InitClient(serverClient, 0, (pointer)NULL);
@@ -358,7 +358,7 @@ int main(int argc, char *argv[], char *envp[]) FreeDefaultStipple(i);
(* screenInfo.screens[i]->CloseScreen)(i, screenInfo.screens[i]);
dixFreePrivates(screenInfo.screens[i]->devPrivates);
- xfree(screenInfo.screens[i]);
+ free(screenInfo.screens[i]);
screenInfo.numScreens = i;
}
FreeFonts();
@@ -381,7 +381,7 @@ int main(int argc, char *argv[], char *envp[]) break;
}
- xfree(ConnectionInfo);
+ free(ConnectionInfo);
ConnectionInfo = NULL;
}
return(0);
diff --git a/xorg-server/dix/pixmap.c b/xorg-server/dix/pixmap.c index 10ec02a78..460da771e 100644 --- a/xorg-server/dix/pixmap.c +++ b/xorg-server/dix/pixmap.c @@ -1,122 +1,122 @@ -/* - -Copyright 1993, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included -in all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR -OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, -ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR -OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall -not be used in advertising or otherwise to promote the sale, use or -other dealings in this Software without prior written authorization -from The Open Group. - -*/ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <X11/X.h> -#include "scrnintstr.h" -#include "misc.h" -#include "os.h" -#include "windowstr.h" -#include "resource.h" -#include "dixstruct.h" -#include "gcstruct.h" -#include "servermd.h" -#include "site.h" - - -/* - * Scratch pixmap management and device independent pixmap allocation - * function. - */ - - -/* callable by ddx */ -PixmapPtr -GetScratchPixmapHeader(ScreenPtr pScreen, int width, int height, int depth, - int bitsPerPixel, int devKind, pointer pPixData) -{ - PixmapPtr pPixmap = pScreen->pScratchPixmap; - - if (pPixmap) - pScreen->pScratchPixmap = NULL; - else - /* width and height of 0 means don't allocate any pixmap data */ - pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, depth, 0); - - if (pPixmap) { - if ((*pScreen->ModifyPixmapHeader)(pPixmap, width, height, depth, - bitsPerPixel, devKind, pPixData)) - return pPixmap; - (*pScreen->DestroyPixmap)(pPixmap); - } - return NullPixmap; -} - - -/* callable by ddx */ -void -FreeScratchPixmapHeader(PixmapPtr pPixmap) -{ - if (pPixmap) - { - ScreenPtr pScreen = pPixmap->drawable.pScreen; - - pPixmap->devPrivate.ptr = NULL; /* lest ddx chases bad ptr */ - if (pScreen->pScratchPixmap) - (*pScreen->DestroyPixmap)(pPixmap); - else - pScreen->pScratchPixmap = pPixmap; - } -} - - -Bool -CreateScratchPixmapsForScreen(int scrnum) -{ - /* let it be created on first use */ - screenInfo.screens[scrnum]->pScratchPixmap = NULL; - return TRUE; -} - - -void -FreeScratchPixmapsForScreen(int scrnum) -{ - FreeScratchPixmapHeader(screenInfo.screens[scrnum]->pScratchPixmap); -} - - -/* callable by ddx */ -PixmapPtr -AllocatePixmap(ScreenPtr pScreen, int pixDataSize) -{ - PixmapPtr pPixmap; - - if (pScreen->totalPixmapSize > ((size_t)-1) - pixDataSize) - return NullPixmap; - - pPixmap = xalloc(pScreen->totalPixmapSize + pixDataSize); - if (!pPixmap) - return NullPixmap; - - pPixmap->devPrivates = NULL; - return pPixmap; -} +/*
+
+Copyright 1993, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+*/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include "scrnintstr.h"
+#include "misc.h"
+#include "os.h"
+#include "windowstr.h"
+#include "resource.h"
+#include "dixstruct.h"
+#include "gcstruct.h"
+#include "servermd.h"
+#include "site.h"
+
+
+/*
+ * Scratch pixmap management and device independent pixmap allocation
+ * function.
+ */
+
+
+/* callable by ddx */
+PixmapPtr
+GetScratchPixmapHeader(ScreenPtr pScreen, int width, int height, int depth,
+ int bitsPerPixel, int devKind, pointer pPixData)
+{
+ PixmapPtr pPixmap = pScreen->pScratchPixmap;
+
+ if (pPixmap)
+ pScreen->pScratchPixmap = NULL;
+ else
+ /* width and height of 0 means don't allocate any pixmap data */
+ pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, depth, 0);
+
+ if (pPixmap) {
+ if ((*pScreen->ModifyPixmapHeader)(pPixmap, width, height, depth,
+ bitsPerPixel, devKind, pPixData))
+ return pPixmap;
+ (*pScreen->DestroyPixmap)(pPixmap);
+ }
+ return NullPixmap;
+}
+
+
+/* callable by ddx */
+void
+FreeScratchPixmapHeader(PixmapPtr pPixmap)
+{
+ if (pPixmap)
+ {
+ ScreenPtr pScreen = pPixmap->drawable.pScreen;
+
+ pPixmap->devPrivate.ptr = NULL; /* lest ddx chases bad ptr */
+ if (pScreen->pScratchPixmap)
+ (*pScreen->DestroyPixmap)(pPixmap);
+ else
+ pScreen->pScratchPixmap = pPixmap;
+ }
+}
+
+
+Bool
+CreateScratchPixmapsForScreen(int scrnum)
+{
+ /* let it be created on first use */
+ screenInfo.screens[scrnum]->pScratchPixmap = NULL;
+ return TRUE;
+}
+
+
+void
+FreeScratchPixmapsForScreen(int scrnum)
+{
+ FreeScratchPixmapHeader(screenInfo.screens[scrnum]->pScratchPixmap);
+}
+
+
+/* callable by ddx */
+PixmapPtr
+AllocatePixmap(ScreenPtr pScreen, int pixDataSize)
+{
+ PixmapPtr pPixmap;
+
+ if (pScreen->totalPixmapSize > ((size_t)-1) - pixDataSize)
+ return NullPixmap;
+
+ pPixmap = malloc(pScreen->totalPixmapSize + pixDataSize);
+ if (!pPixmap)
+ return NullPixmap;
+
+ pPixmap->devPrivates = NULL;
+ return pPixmap;
+}
diff --git a/xorg-server/dix/privates.c b/xorg-server/dix/privates.c index e3e727462..52a8df3f6 100644 --- a/xorg-server/dix/privates.c +++ b/xorg-server/dix/privates.c @@ -1,322 +1,282 @@ -/* - -Copyright 1993, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included -in all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR -OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, -ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR -OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall -not be used in advertising or otherwise to promote the sale, use or -other dealings in this Software without prior written authorization -from The Open Group. - -*/ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <stddef.h> -#include "windowstr.h" -#include "resource.h" -#include "privates.h" -#include "gcstruct.h" -#include "cursorstr.h" -#include "colormapst.h" -#include "inputstr.h" - -struct _Private { - int state; - pointer value; -}; - -typedef struct _PrivateDesc { - DevPrivateKey key; - unsigned size; - CallbackListPtr initfuncs; - CallbackListPtr deletefuncs; -} PrivateDescRec; - -#define PRIV_MAX 256 -#define PRIV_STEP 16 - -/* list of all allocated privates */ -static PrivateDescRec items[PRIV_MAX]; -static int nextPriv; - -static PrivateDescRec * -findItem(const DevPrivateKey key) -{ - if (!*key) { - if (nextPriv >= PRIV_MAX) - return NULL; - - items[nextPriv].key = key; - *key = nextPriv; - nextPriv++; - } - - return items + *key; -} - -static _X_INLINE int -privateExists(PrivateRec **privates, const DevPrivateKey key) -{ - return *key && *privates && - (*privates)[0].state > *key && - (*privates)[*key].state; -} - -/* - * Request pre-allocated space. - */ -int -dixRequestPrivate(const DevPrivateKey key, unsigned size) -{ - PrivateDescRec *item = findItem(key); - if (!item) - return FALSE; - if (size > item->size) - item->size = size; - return TRUE; -} - -/* - * Allocate a private and attach it to an existing object. - */ -pointer * -dixAllocatePrivate(PrivateRec **privates, const DevPrivateKey key) -{ - PrivateDescRec *item = findItem(key); - PrivateCallbackRec calldata; - PrivateRec *ptr; - pointer value; - int oldsize, newsize; - - newsize = (*key / PRIV_STEP + 1) * PRIV_STEP; - - /* resize or init privates array */ - if (!item) - return NULL; - - /* initialize privates array if necessary */ - if (!*privates) { - ptr = xcalloc(newsize, sizeof(*ptr)); - if (!ptr) - return NULL; - *privates = ptr; - (*privates)[0].state = newsize; - } - - oldsize = (*privates)[0].state; - - /* resize privates array if necessary */ - if (*key >= oldsize) { - ptr = xrealloc(*privates, newsize * sizeof(*ptr)); - if (!ptr) - return NULL; - memset(ptr + oldsize, 0, (newsize - oldsize) * sizeof(*ptr)); - *privates = ptr; - (*privates)[0].state = newsize; - } - - /* initialize slot */ - ptr = *privates + *key; - ptr->state = 1; - if (item->size) { - value = xcalloc(item->size, 1); - if (!value) - return NULL; - ptr->value = value; - } - - calldata.key = key; - calldata.value = &ptr->value; - CallCallbacks(&item->initfuncs, &calldata); - - return &ptr->value; -} - -/* - * Look up a private pointer. - */ -pointer -dixLookupPrivate(PrivateRec **privates, const DevPrivateKey key) -{ - pointer *ptr; - - if (privateExists(privates, key)) - return (*privates)[*key].value; - - ptr = dixAllocatePrivate(privates, key); - return ptr ? *ptr : NULL; -} - -/* - * Look up the address of a private pointer. - */ -pointer * -dixLookupPrivateAddr(PrivateRec **privates, const DevPrivateKey key) -{ - if (privateExists(privates, key)) - return &(*privates)[*key].value; - - return dixAllocatePrivate(privates, key); -} - -/* - * Set a private pointer. - */ -int -dixSetPrivate(PrivateRec **privates, const DevPrivateKey key, pointer val) -{ - top: - if (privateExists(privates, key)) { - (*privates)[*key].value = val; - return TRUE; - } - - if (!dixAllocatePrivate(privates, key)) - return FALSE; - goto top; -} - -/* - * Called to free privates at object deletion time. - */ -void -dixFreePrivates(PrivateRec *privates) -{ - int i; - PrivateCallbackRec calldata; - - if (privates) - for (i = 1; i < privates->state; i++) - if (privates[i].state) { - /* call the delete callbacks */ - calldata.key = items[i].key; - calldata.value = &privates[i].value; - CallCallbacks(&items[i].deletefuncs, &calldata); - - /* free pre-allocated memory */ - if (items[i].size) - xfree(privates[i].value); - } - - xfree(privates); -} - -/* - * Callback registration - */ -int -dixRegisterPrivateInitFunc(const DevPrivateKey key, - CallbackProcPtr callback, pointer data) -{ - PrivateDescRec *item = findItem(key); - if (!item) - return FALSE; - - return AddCallback(&item->initfuncs, callback, data); -} - -int -dixRegisterPrivateDeleteFunc(const DevPrivateKey key, - CallbackProcPtr callback, pointer data) -{ - PrivateDescRec *item = findItem(key); - if (!item) - return FALSE; - - return AddCallback(&item->deletefuncs, callback, data); -} - -/* Table of devPrivates offsets */ -static const int offsetDefaults[] = { - -1, /* RT_NONE */ - offsetof(WindowRec, devPrivates), /* RT_WINDOW */ - offsetof(PixmapRec, devPrivates), /* RT_PIXMAP */ - offsetof(GC, devPrivates), /* RT_GC */ - -1, /* RT_FONT */ - offsetof(CursorRec, devPrivates), /* RT_CURSOR */ - offsetof(ColormapRec, devPrivates), /* RT_COLORMAP */ - -1, /* RT_CMAPENTRY */ - -1, /* RT_OTHERCLIENT */ - -1 /* RT_PASSIVEGRAB */ -}; - -static int *offsets = NULL; -static int offsetsSize = 0; - -/* - * Specify where the devPrivates field is located in a structure type - */ -int -dixRegisterPrivateOffset(RESTYPE type, int offset) -{ - type = type & TypeMask; - - /* resize offsets table if necessary */ - while (type >= offsetsSize) { - unsigned i = offsetsSize * 2 * sizeof(int); - offsets = (int *)xrealloc(offsets, i); - if (!offsets) { - offsetsSize = 0; - return FALSE; - } - for (i=offsetsSize; i < 2*offsetsSize; i++) - offsets[i] = -1; - offsetsSize *= 2; - } - - offsets[type] = offset; - return TRUE; -} - -int -dixLookupPrivateOffset(RESTYPE type) -{ - type = type & TypeMask; - assert(type < offsetsSize); - return offsets[type]; -} - -int -dixResetPrivates(void) -{ - int i; - - /* reset private descriptors */ - for (i = 1; i < nextPriv; i++) { - *items[i].key = 0; - items[i].size = 0; - DeleteCallbackList(&items[i].initfuncs); - DeleteCallbackList(&items[i].deletefuncs); - } - nextPriv = 1; - - /* reset offsets */ - if (offsets) - xfree(offsets); - offsetsSize = sizeof(offsetDefaults); - offsets = xalloc(offsetsSize); - offsetsSize /= sizeof(int); - if (!offsets) - return FALSE; - memcpy(offsets, offsetDefaults, sizeof(offsetDefaults)); - return TRUE; -} +/*
+
+Copyright 1993, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+*/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stddef.h>
+#include "windowstr.h"
+#include "resource.h"
+#include "privates.h"
+#include "gcstruct.h"
+#include "cursorstr.h"
+#include "colormapst.h"
+#include "inputstr.h"
+
+struct _Private {
+ int state;
+ pointer value;
+};
+
+typedef struct _PrivateDesc {
+ DevPrivateKey key;
+ unsigned size;
+} PrivateDescRec;
+
+#define PRIV_MAX 256
+#define PRIV_STEP 16
+
+/* list of all allocated privates */
+static PrivateDescRec items[PRIV_MAX];
+static int nextPriv;
+
+static PrivateDescRec *
+findItem(const DevPrivateKey key)
+{
+ if (!*key) {
+ if (nextPriv >= PRIV_MAX)
+ return NULL;
+
+ items[nextPriv].key = key;
+ *key = nextPriv;
+ nextPriv++;
+ }
+
+ return items + *key;
+}
+
+static _X_INLINE int
+privateExists(PrivateRec **privates, const DevPrivateKey key)
+{
+ return *key && *privates &&
+ (*privates)[0].state > *key &&
+ (*privates)[*key].state;
+}
+
+/*
+ * Request pre-allocated space.
+ */
+int
+dixRequestPrivate(const DevPrivateKey key, unsigned size)
+{
+ PrivateDescRec *item = findItem(key);
+ if (!item)
+ return FALSE;
+ if (size > item->size)
+ item->size = size;
+ return TRUE;
+}
+
+/*
+ * Allocate a private and attach it to an existing object.
+ */
+pointer *
+dixAllocatePrivate(PrivateRec **privates, const DevPrivateKey key)
+{
+ PrivateDescRec *item = findItem(key);
+ PrivateRec *ptr;
+ pointer value;
+ int oldsize, newsize;
+
+ newsize = (*key / PRIV_STEP + 1) * PRIV_STEP;
+
+ /* resize or init privates array */
+ if (!item)
+ return NULL;
+
+ /* initialize privates array if necessary */
+ if (!*privates) {
+ ptr = calloc(newsize, sizeof(*ptr));
+ if (!ptr)
+ return NULL;
+ *privates = ptr;
+ (*privates)[0].state = newsize;
+ }
+
+ oldsize = (*privates)[0].state;
+
+ /* resize privates array if necessary */
+ if (*key >= oldsize) {
+ ptr = realloc(*privates, newsize * sizeof(*ptr));
+ if (!ptr)
+ return NULL;
+ memset(ptr + oldsize, 0, (newsize - oldsize) * sizeof(*ptr));
+ *privates = ptr;
+ (*privates)[0].state = newsize;
+ }
+
+ /* initialize slot */
+ ptr = *privates + *key;
+ ptr->state = 1;
+ if (item->size) {
+ value = calloc(item->size, 1);
+ if (!value)
+ return NULL;
+ ptr->value = value;
+ }
+
+ return &ptr->value;
+}
+
+/*
+ * Look up a private pointer.
+ */
+pointer
+dixLookupPrivate(PrivateRec **privates, const DevPrivateKey key)
+{
+ pointer *ptr;
+
+ if (privateExists(privates, key))
+ return (*privates)[*key].value;
+
+ ptr = dixAllocatePrivate(privates, key);
+ return ptr ? *ptr : NULL;
+}
+
+/*
+ * Look up the address of a private pointer.
+ */
+pointer *
+dixLookupPrivateAddr(PrivateRec **privates, const DevPrivateKey key)
+{
+ if (privateExists(privates, key))
+ return &(*privates)[*key].value;
+
+ return dixAllocatePrivate(privates, key);
+}
+
+/*
+ * Set a private pointer.
+ */
+int
+dixSetPrivate(PrivateRec **privates, const DevPrivateKey key, pointer val)
+{
+ top:
+ if (privateExists(privates, key)) {
+ (*privates)[*key].value = val;
+ return TRUE;
+ }
+
+ if (!dixAllocatePrivate(privates, key))
+ return FALSE;
+ goto top;
+}
+
+/*
+ * Called to free privates at object deletion time.
+ */
+void
+dixFreePrivates(PrivateRec *privates)
+{
+ int i;
+
+ if (privates)
+ for (i = 1; i < privates->state; i++)
+ if (privates[i].state) {
+ /* free pre-allocated memory */
+ if (items[i].size)
+ free(privates[i].value);
+ }
+
+ free(privates);
+}
+
+/* Table of devPrivates offsets */
+static const int offsetDefaults[] = {
+ -1, /* RT_NONE */
+ offsetof(WindowRec, devPrivates), /* RT_WINDOW */
+ offsetof(PixmapRec, devPrivates), /* RT_PIXMAP */
+ offsetof(GC, devPrivates), /* RT_GC */
+ -1, /* RT_FONT */
+ offsetof(CursorRec, devPrivates), /* RT_CURSOR */
+ offsetof(ColormapRec, devPrivates), /* RT_COLORMAP */
+ -1, /* RT_CMAPENTRY */
+ -1, /* RT_OTHERCLIENT */
+ -1 /* RT_PASSIVEGRAB */
+};
+
+static int *offsets = NULL;
+static int offsetsSize = 0;
+
+/*
+ * Specify where the devPrivates field is located in a structure type
+ */
+int
+dixRegisterPrivateOffset(RESTYPE type, int offset)
+{
+ type = type & TypeMask;
+
+ /* resize offsets table if necessary */
+ while (type >= offsetsSize) {
+ unsigned i = offsetsSize * 2 * sizeof(int);
+ offsets = (int *)realloc(offsets, i);
+ if (!offsets) {
+ offsetsSize = 0;
+ return FALSE;
+ }
+ for (i=offsetsSize; i < 2*offsetsSize; i++)
+ offsets[i] = -1;
+ offsetsSize *= 2;
+ }
+
+ offsets[type] = offset;
+ return TRUE;
+}
+
+int
+dixLookupPrivateOffset(RESTYPE type)
+{
+ type = type & TypeMask;
+ assert(type < offsetsSize);
+ return offsets[type];
+}
+
+int
+dixResetPrivates(void)
+{
+ int i;
+
+ /* reset private descriptors */
+ for (i = 1; i < nextPriv; i++) {
+ *items[i].key = 0;
+ items[i].size = 0;
+ }
+ nextPriv = 1;
+
+ /* reset offsets */
+ if (offsets)
+ free(offsets);
+ offsetsSize = sizeof(offsetDefaults);
+ offsets = malloc(offsetsSize);
+ offsetsSize /= sizeof(int);
+ if (!offsets)
+ return FALSE;
+ memcpy(offsets, offsetDefaults, sizeof(offsetDefaults));
+ return TRUE;
+}
diff --git a/xorg-server/dix/property.c b/xorg-server/dix/property.c index 9ec5dc6ae..7c4bd62d2 100644 --- a/xorg-server/dix/property.c +++ b/xorg-server/dix/property.c @@ -1,649 +1,645 @@ -/*********************************************************** - -Copyright 1987, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <X11/X.h> -#include <X11/Xproto.h> -#include "windowstr.h" -#include "propertyst.h" -#include "dixstruct.h" -#include "dispatch.h" -#include "swaprep.h" -#include "xace.h" - -/***************************************************************** - * Property Stuff - * - * dixLookupProperty, dixChangeProperty, DeleteProperty - * - * Properties belong to windows. The list of properties should not be - * traversed directly. Instead, use the three functions listed above. - * - *****************************************************************/ - -#ifdef notdef -static void -PrintPropertys(WindowPtr pWin) -{ - PropertyPtr pProp; - int j; - - pProp = pWin->userProps; - while (pProp) - { - ErrorF("[dix] %x %x\n", pProp->propertyName, pProp->type); - ErrorF("[dix] property format: %d\n", pProp->format); - ErrorF("[dix] property data: \n"); - for (j=0; j<(pProp->format/8)*pProp->size; j++) - ErrorF("[dix] %c\n", pProp->data[j]); - pProp = pProp->next; - } -} -#endif - -int -dixLookupProperty(PropertyPtr *result, WindowPtr pWin, Atom propertyName, - ClientPtr client, Mask access_mode) -{ - PropertyPtr pProp; - int rc = BadMatch; - client->errorValue = propertyName; - - for (pProp = wUserProps(pWin); pProp; pProp = pProp->next) - if (pProp->propertyName == propertyName) - break; - - if (pProp) - rc = XaceHookPropertyAccess(client, pWin, &pProp, access_mode); - *result = pProp; - return rc; -} - -static void -deliverPropertyNotifyEvent(WindowPtr pWin, int state, Atom atom) -{ - xEvent event; - - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = PropertyNotify; - event.u.property.window = pWin->drawable.id; - event.u.property.state = state; - event.u.property.atom = atom; - event.u.property.time = currentTime.milliseconds; - DeliverEvents(pWin, &event, 1, (WindowPtr)NULL); -} - -int -ProcRotateProperties(ClientPtr client) -{ - int i, j, delta, rc; - REQUEST(xRotatePropertiesReq); - WindowPtr pWin; - Atom * atoms; - PropertyPtr * props; /* array of pointer */ - PropertyPtr pProp, saved; - - REQUEST_FIXED_SIZE(xRotatePropertiesReq, stuff->nAtoms << 2); - UpdateCurrentTime(); - rc = dixLookupWindow(&pWin, stuff->window, client, DixSetPropAccess); - if (rc != Success || stuff->nAtoms <= 0) - return rc; - - atoms = (Atom *) & stuff[1]; - props = xalloc(stuff->nAtoms * sizeof(PropertyPtr)); - saved = xalloc(stuff->nAtoms * sizeof(PropertyRec)); - if (!props || !saved) { - rc = BadAlloc; - goto out; - } - - for (i = 0; i < stuff->nAtoms; i++) - { - if (!ValidAtom(atoms[i])) { - rc = BadAtom; - client->errorValue = atoms[i]; - goto out; - } - for (j = i + 1; j < stuff->nAtoms; j++) - if (atoms[j] == atoms[i]) - { - rc = BadMatch; - goto out; - } - - rc = dixLookupProperty(&pProp, pWin, atoms[i], client, - DixReadAccess|DixWriteAccess); - if (rc != Success) - goto out; - - props[i] = pProp; - saved[i] = *pProp; - } - delta = stuff->nPositions; - - /* If the rotation is a complete 360 degrees, then moving the properties - around and generating PropertyNotify events should be skipped. */ - - if (abs(delta) % stuff->nAtoms) - { - while (delta < 0) /* faster if abs value is small */ - delta += stuff->nAtoms; - for (i = 0; i < stuff->nAtoms; i++) - { - j = (i + delta) % stuff->nAtoms; - deliverPropertyNotifyEvent(pWin, PropertyNewValue, atoms[i]); - - /* Preserve name and devPrivates */ - props[j]->type = saved[i].type; - props[j]->format = saved[i].format; - props[j]->size = saved[i].size; - props[j]->data = saved[i].data; - } - } -out: - xfree(saved); - xfree(props); - return rc; -} - -int -ProcChangeProperty(ClientPtr client) -{ - WindowPtr pWin; - char format, mode; - unsigned long len; - int sizeInBytes, totalSize, err; - REQUEST(xChangePropertyReq); - - REQUEST_AT_LEAST_SIZE(xChangePropertyReq); - UpdateCurrentTime(); - format = stuff->format; - mode = stuff->mode; - if ((mode != PropModeReplace) && (mode != PropModeAppend) && - (mode != PropModePrepend)) - { - client->errorValue = mode; - return BadValue; - } - if ((format != 8) && (format != 16) && (format != 32)) - { - client->errorValue = format; - return BadValue; - } - len = stuff->nUnits; - if (len > bytes_to_int32(0xffffffff - sizeof(xChangePropertyReq))) - return BadLength; - sizeInBytes = format>>3; - totalSize = len * sizeInBytes; - REQUEST_FIXED_SIZE(xChangePropertyReq, totalSize); - - err = dixLookupWindow(&pWin, stuff->window, client, DixSetPropAccess); - if (err != Success) - return err; - if (!ValidAtom(stuff->property)) - { - client->errorValue = stuff->property; - return(BadAtom); - } - if (!ValidAtom(stuff->type)) - { - client->errorValue = stuff->type; - return(BadAtom); - } - - err = dixChangeWindowProperty(client, pWin, stuff->property, stuff->type, - (int)format, (int)mode, len, &stuff[1], - TRUE); - if (err != Success) - return err; - else - return client->noClientException; -} - -int -dixChangeWindowProperty(ClientPtr pClient, WindowPtr pWin, Atom property, - Atom type, int format, int mode, unsigned long len, - pointer value, Bool sendevent) -{ - PropertyPtr pProp; - PropertyRec savedProp; - int sizeInBytes, totalSize, rc; - unsigned char *data; - Mask access_mode; - - sizeInBytes = format>>3; - totalSize = len * sizeInBytes; - access_mode = (mode == PropModeReplace) ? DixWriteAccess : DixBlendAccess; - - /* first see if property already exists */ - rc = dixLookupProperty(&pProp, pWin, property, pClient, access_mode); - - if (rc == BadMatch) /* just add to list */ - { - if (!pWin->optional && !MakeWindowOptional (pWin)) - return(BadAlloc); - pProp = xalloc(sizeof(PropertyRec)); - if (!pProp) - return(BadAlloc); - data = xalloc(totalSize); - if (!data && len) - { - xfree(pProp); - return(BadAlloc); - } - memcpy(data, value, totalSize); - pProp->propertyName = property; - pProp->type = type; - pProp->format = format; - pProp->data = data; - pProp->size = len; - pProp->devPrivates = NULL; - rc = XaceHookPropertyAccess(pClient, pWin, &pProp, - DixCreateAccess|DixWriteAccess); - if (rc != Success) { - xfree(data); - xfree(pProp); - pClient->errorValue = property; - return rc; - } - pProp->next = pWin->optional->userProps; - pWin->optional->userProps = pProp; - } - else if (rc == Success) - { - /* To append or prepend to a property the request format and type - must match those of the already defined property. The - existing format and type are irrelevant when using the mode - "PropModeReplace" since they will be written over. */ - - if ((format != pProp->format) && (mode != PropModeReplace)) - return(BadMatch); - if ((pProp->type != type) && (mode != PropModeReplace)) - return(BadMatch); - - /* save the old values for later */ - savedProp = *pProp; - - if (mode == PropModeReplace) - { - data = xalloc(totalSize); - if (!data && len) - return(BadAlloc); - memcpy(data, value, totalSize); - pProp->data = data; - pProp->size = len; - pProp->type = type; - pProp->format = format; - } - else if (len == 0) - { - /* do nothing */ - } - else if (mode == PropModeAppend) - { - data = xalloc((pProp->size + len) * sizeInBytes); - if (!data) - return(BadAlloc); - memcpy(data, pProp->data, pProp->size * sizeInBytes); - memcpy(data + pProp->size * sizeInBytes, value, totalSize); - pProp->data = data; - pProp->size += len; - } - else if (mode == PropModePrepend) - { - data = xalloc(sizeInBytes * (len + pProp->size)); - if (!data) - return(BadAlloc); - memcpy(data + totalSize, pProp->data, pProp->size * sizeInBytes); - memcpy(data, value, totalSize); - pProp->data = data; - pProp->size += len; - } - - /* Allow security modules to check the new content */ - access_mode |= DixPostAccess; - rc = XaceHookPropertyAccess(pClient, pWin, &pProp, access_mode); - if (rc == Success) - { - if (savedProp.data != pProp->data) - xfree(savedProp.data); - } - else - { - if (savedProp.data != pProp->data) - xfree(pProp->data); - *pProp = savedProp; - return rc; - } - } - else - return rc; - - if (sendevent) - deliverPropertyNotifyEvent(pWin, PropertyNewValue, pProp->propertyName); - - return(Success); -} - -int -ChangeWindowProperty(WindowPtr pWin, Atom property, Atom type, int format, - int mode, unsigned long len, pointer value, - Bool sendevent) -{ - return dixChangeWindowProperty(serverClient, pWin, property, type, format, - mode, len, value, sendevent); -} - -int -DeleteProperty(ClientPtr client, WindowPtr pWin, Atom propName) -{ - PropertyPtr pProp, prevProp; - int rc; - - rc = dixLookupProperty(&pProp, pWin, propName, client, DixDestroyAccess); - if (rc == BadMatch) - return Success; /* Succeed if property does not exist */ - - if (rc == Success) { - if (pWin->optional->userProps == pProp) { - /* Takes care of head */ - if (!(pWin->optional->userProps = pProp->next)) - CheckWindowOptionalNeed (pWin); - } else { - /* Need to traverse to find the previous element */ - prevProp = pWin->optional->userProps; - while (prevProp->next != pProp) - prevProp = prevProp->next; - prevProp->next = pProp->next; - } - - deliverPropertyNotifyEvent(pWin, PropertyDelete, pProp->propertyName); - dixFreePrivates(pProp->devPrivates); - xfree(pProp->data); - xfree(pProp); - } - return rc; -} - -void -DeleteAllWindowProperties(WindowPtr pWin) -{ - PropertyPtr pProp, pNextProp; - - pProp = wUserProps (pWin); - while (pProp) - { - deliverPropertyNotifyEvent(pWin, PropertyDelete, pProp->propertyName); - pNextProp = pProp->next; - dixFreePrivates(pProp->devPrivates); - xfree(pProp->data); - xfree(pProp); - pProp = pNextProp; - } -} - -static int -NullPropertyReply( - ClientPtr client, - ATOM propertyType, - int format, - xGetPropertyReply *reply) -{ - reply->nItems = 0; - reply->length = 0; - reply->bytesAfter = 0; - reply->propertyType = propertyType; - reply->format = format; - WriteReplyToClient(client, sizeof(xGenericReply), reply); - return(client->noClientException); -} - -/***************** - * GetProperty - * If type Any is specified, returns the property from the specified - * window regardless of its type. If a type is specified, returns the - * property only if its type equals the specified type. - * If delete is True and a property is returned, the property is also - * deleted from the window and a PropertyNotify event is generated on the - * window. - *****************/ - -int -ProcGetProperty(ClientPtr client) -{ - PropertyPtr pProp, prevProp; - unsigned long n, len, ind; - int rc; - WindowPtr pWin; - xGetPropertyReply reply; - Mask win_mode = DixGetPropAccess, prop_mode = DixReadAccess; - REQUEST(xGetPropertyReq); - - REQUEST_SIZE_MATCH(xGetPropertyReq); - if (stuff->delete) { - UpdateCurrentTime(); - win_mode |= DixSetPropAccess; - prop_mode |= DixDestroyAccess; - } - rc = dixLookupWindow(&pWin, stuff->window, client, win_mode); - if (rc != Success) - return (rc == BadMatch) ? BadWindow : rc; - - if (!ValidAtom(stuff->property)) - { - client->errorValue = stuff->property; - return(BadAtom); - } - if ((stuff->delete != xTrue) && (stuff->delete != xFalse)) - { - client->errorValue = stuff->delete; - return(BadValue); - } - if ((stuff->type != AnyPropertyType) && !ValidAtom(stuff->type)) - { - client->errorValue = stuff->type; - return(BadAtom); - } - - memset(&reply, 0, sizeof(xGetPropertyReply)); - reply.type = X_Reply; - reply.sequenceNumber = client->sequence; - - rc = dixLookupProperty(&pProp, pWin, stuff->property, client, prop_mode); - if (rc == BadMatch) - return NullPropertyReply(client, None, 0, &reply); - else if (rc != Success) - return rc; - - /* If the request type and actual type don't match. Return the - property information, but not the data. */ - - if (((stuff->type != pProp->type) && - (stuff->type != AnyPropertyType)) - ) - { - reply.bytesAfter = pProp->size; - reply.format = pProp->format; - reply.length = 0; - reply.nItems = 0; - reply.propertyType = pProp->type; - WriteReplyToClient(client, sizeof(xGenericReply), &reply); - return(Success); - } - -/* - * Return type, format, value to client - */ - n = (pProp->format/8) * pProp->size; /* size (bytes) of prop */ - ind = stuff->longOffset << 2; - - /* If longOffset is invalid such that it causes "len" to - be negative, it's a value error. */ - - if (n < ind) - { - client->errorValue = stuff->longOffset; - return BadValue; - } - - len = min(n - ind, 4 * stuff->longLength); - - reply.bytesAfter = n - (ind + len); - reply.format = pProp->format; - reply.length = bytes_to_int32(len); - reply.nItems = len / (pProp->format / 8 ); - reply.propertyType = pProp->type; - - if (stuff->delete && (reply.bytesAfter == 0)) - deliverPropertyNotifyEvent(pWin, PropertyDelete, pProp->propertyName); - - WriteReplyToClient(client, sizeof(xGenericReply), &reply); - if (len) - { - switch (reply.format) { - case 32: client->pSwapReplyFunc = (ReplySwapPtr)CopySwap32Write; break; - case 16: client->pSwapReplyFunc = (ReplySwapPtr)CopySwap16Write; break; - default: client->pSwapReplyFunc = (ReplySwapPtr)WriteToClient; break; - } - WriteSwappedDataToClient(client, len, - (char *)pProp->data + ind); - } - - if (stuff->delete && (reply.bytesAfter == 0)) { - /* Delete the Property */ - if (pWin->optional->userProps == pProp) { - /* Takes care of head */ - if (!(pWin->optional->userProps = pProp->next)) - CheckWindowOptionalNeed (pWin); - } else { - /* Need to traverse to find the previous element */ - prevProp = pWin->optional->userProps; - while (prevProp->next != pProp) - prevProp = prevProp->next; - prevProp->next = pProp->next; - } - - dixFreePrivates(pProp->devPrivates); - xfree(pProp->data); - xfree(pProp); - } - return(client->noClientException); -} - -int -ProcListProperties(ClientPtr client) -{ - Atom *pAtoms = NULL, *temppAtoms; - xListPropertiesReply xlpr; - int rc, numProps = 0; - WindowPtr pWin; - PropertyPtr pProp, realProp; - REQUEST(xResourceReq); - - REQUEST_SIZE_MATCH(xResourceReq); - rc = dixLookupWindow(&pWin, stuff->id, client, DixListPropAccess); - if (rc != Success) - return rc; - - for (pProp = wUserProps(pWin); pProp; pProp = pProp->next) - numProps++; - - if (numProps && !(pAtoms = xalloc(numProps * sizeof(Atom)))) - return BadAlloc; - - numProps = 0; - temppAtoms = pAtoms; - for (pProp = wUserProps(pWin); pProp; pProp = pProp->next) { - realProp = pProp; - rc = XaceHookPropertyAccess(client, pWin, &realProp, DixGetAttrAccess); - if (rc == Success && realProp == pProp) { - *temppAtoms++ = pProp->propertyName; - numProps++; - } - } - - xlpr.type = X_Reply; - xlpr.nProperties = numProps; - xlpr.length = bytes_to_int32(numProps * sizeof(Atom)); - xlpr.sequenceNumber = client->sequence; - WriteReplyToClient(client, sizeof(xGenericReply), &xlpr); - if (numProps) - { - client->pSwapReplyFunc = (ReplySwapPtr)Swap32Write; - WriteSwappedDataToClient(client, numProps * sizeof(Atom), pAtoms); - } - xfree(pAtoms); - return(client->noClientException); -} - -int -ProcDeleteProperty(ClientPtr client) -{ - WindowPtr pWin; - REQUEST(xDeletePropertyReq); - int result; - - REQUEST_SIZE_MATCH(xDeletePropertyReq); - UpdateCurrentTime(); - result = dixLookupWindow(&pWin, stuff->window, client, DixSetPropAccess); - if (result != Success) - return result; - if (!ValidAtom(stuff->property)) - { - client->errorValue = stuff->property; - return (BadAtom); - } - - result = DeleteProperty(client, pWin, stuff->property); - if (client->noClientException != Success) - return(client->noClientException); - else - return(result); -} +/***********************************************************
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "windowstr.h"
+#include "propertyst.h"
+#include "dixstruct.h"
+#include "dispatch.h"
+#include "swaprep.h"
+#include "xace.h"
+
+/*****************************************************************
+ * Property Stuff
+ *
+ * dixLookupProperty, dixChangeProperty, DeleteProperty
+ *
+ * Properties belong to windows. The list of properties should not be
+ * traversed directly. Instead, use the three functions listed above.
+ *
+ *****************************************************************/
+
+#ifdef notdef
+static void
+PrintPropertys(WindowPtr pWin)
+{
+ PropertyPtr pProp;
+ int j;
+
+ pProp = pWin->userProps;
+ while (pProp)
+ {
+ ErrorF("[dix] %x %x\n", pProp->propertyName, pProp->type);
+ ErrorF("[dix] property format: %d\n", pProp->format);
+ ErrorF("[dix] property data: \n");
+ for (j=0; j<(pProp->format/8)*pProp->size; j++)
+ ErrorF("[dix] %c\n", pProp->data[j]);
+ pProp = pProp->next;
+ }
+}
+#endif
+
+int
+dixLookupProperty(PropertyPtr *result, WindowPtr pWin, Atom propertyName,
+ ClientPtr client, Mask access_mode)
+{
+ PropertyPtr pProp;
+ int rc = BadMatch;
+ client->errorValue = propertyName;
+
+ for (pProp = wUserProps(pWin); pProp; pProp = pProp->next)
+ if (pProp->propertyName == propertyName)
+ break;
+
+ if (pProp)
+ rc = XaceHookPropertyAccess(client, pWin, &pProp, access_mode);
+ *result = pProp;
+ return rc;
+}
+
+static void
+deliverPropertyNotifyEvent(WindowPtr pWin, int state, Atom atom)
+{
+ xEvent event;
+
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = PropertyNotify;
+ event.u.property.window = pWin->drawable.id;
+ event.u.property.state = state;
+ event.u.property.atom = atom;
+ event.u.property.time = currentTime.milliseconds;
+ DeliverEvents(pWin, &event, 1, (WindowPtr)NULL);
+}
+
+int
+ProcRotateProperties(ClientPtr client)
+{
+ int i, j, delta, rc;
+ REQUEST(xRotatePropertiesReq);
+ WindowPtr pWin;
+ Atom * atoms;
+ PropertyPtr * props; /* array of pointer */
+ PropertyPtr pProp, saved;
+
+ REQUEST_FIXED_SIZE(xRotatePropertiesReq, stuff->nAtoms << 2);
+ UpdateCurrentTime();
+ rc = dixLookupWindow(&pWin, stuff->window, client, DixSetPropAccess);
+ if (rc != Success || stuff->nAtoms <= 0)
+ return rc;
+
+ atoms = (Atom *) & stuff[1];
+ props = malloc(stuff->nAtoms * sizeof(PropertyPtr));
+ saved = malloc(stuff->nAtoms * sizeof(PropertyRec));
+ if (!props || !saved) {
+ rc = BadAlloc;
+ goto out;
+ }
+
+ for (i = 0; i < stuff->nAtoms; i++)
+ {
+ if (!ValidAtom(atoms[i])) {
+ rc = BadAtom;
+ client->errorValue = atoms[i];
+ goto out;
+ }
+ for (j = i + 1; j < stuff->nAtoms; j++)
+ if (atoms[j] == atoms[i])
+ {
+ rc = BadMatch;
+ goto out;
+ }
+
+ rc = dixLookupProperty(&pProp, pWin, atoms[i], client,
+ DixReadAccess|DixWriteAccess);
+ if (rc != Success)
+ goto out;
+
+ props[i] = pProp;
+ saved[i] = *pProp;
+ }
+ delta = stuff->nPositions;
+
+ /* If the rotation is a complete 360 degrees, then moving the properties
+ around and generating PropertyNotify events should be skipped. */
+
+ if (abs(delta) % stuff->nAtoms)
+ {
+ while (delta < 0) /* faster if abs value is small */
+ delta += stuff->nAtoms;
+ for (i = 0; i < stuff->nAtoms; i++)
+ {
+ j = (i + delta) % stuff->nAtoms;
+ deliverPropertyNotifyEvent(pWin, PropertyNewValue, atoms[i]);
+
+ /* Preserve name and devPrivates */
+ props[j]->type = saved[i].type;
+ props[j]->format = saved[i].format;
+ props[j]->size = saved[i].size;
+ props[j]->data = saved[i].data;
+ }
+ }
+out:
+ free(saved);
+ free(props);
+ return rc;
+}
+
+int
+ProcChangeProperty(ClientPtr client)
+{
+ WindowPtr pWin;
+ char format, mode;
+ unsigned long len;
+ int sizeInBytes, totalSize, err;
+ REQUEST(xChangePropertyReq);
+
+ REQUEST_AT_LEAST_SIZE(xChangePropertyReq);
+ UpdateCurrentTime();
+ format = stuff->format;
+ mode = stuff->mode;
+ if ((mode != PropModeReplace) && (mode != PropModeAppend) &&
+ (mode != PropModePrepend))
+ {
+ client->errorValue = mode;
+ return BadValue;
+ }
+ if ((format != 8) && (format != 16) && (format != 32))
+ {
+ client->errorValue = format;
+ return BadValue;
+ }
+ len = stuff->nUnits;
+ if (len > bytes_to_int32(0xffffffff - sizeof(xChangePropertyReq)))
+ return BadLength;
+ sizeInBytes = format>>3;
+ totalSize = len * sizeInBytes;
+ REQUEST_FIXED_SIZE(xChangePropertyReq, totalSize);
+
+ err = dixLookupWindow(&pWin, stuff->window, client, DixSetPropAccess);
+ if (err != Success)
+ return err;
+ if (!ValidAtom(stuff->property))
+ {
+ client->errorValue = stuff->property;
+ return(BadAtom);
+ }
+ if (!ValidAtom(stuff->type))
+ {
+ client->errorValue = stuff->type;
+ return(BadAtom);
+ }
+
+ err = dixChangeWindowProperty(client, pWin, stuff->property, stuff->type,
+ (int)format, (int)mode, len, &stuff[1],
+ TRUE);
+ if (err != Success)
+ return err;
+ else
+ return Success;
+}
+
+int
+dixChangeWindowProperty(ClientPtr pClient, WindowPtr pWin, Atom property,
+ Atom type, int format, int mode, unsigned long len,
+ pointer value, Bool sendevent)
+{
+ PropertyPtr pProp;
+ PropertyRec savedProp;
+ int sizeInBytes, totalSize, rc;
+ unsigned char *data;
+ Mask access_mode;
+
+ sizeInBytes = format>>3;
+ totalSize = len * sizeInBytes;
+ access_mode = (mode == PropModeReplace) ? DixWriteAccess : DixBlendAccess;
+
+ /* first see if property already exists */
+ rc = dixLookupProperty(&pProp, pWin, property, pClient, access_mode);
+
+ if (rc == BadMatch) /* just add to list */
+ {
+ if (!pWin->optional && !MakeWindowOptional (pWin))
+ return(BadAlloc);
+ pProp = malloc(sizeof(PropertyRec));
+ if (!pProp)
+ return(BadAlloc);
+ data = malloc(totalSize);
+ if (!data && len)
+ {
+ free(pProp);
+ return(BadAlloc);
+ }
+ memcpy(data, value, totalSize);
+ pProp->propertyName = property;
+ pProp->type = type;
+ pProp->format = format;
+ pProp->data = data;
+ pProp->size = len;
+ pProp->devPrivates = NULL;
+ rc = XaceHookPropertyAccess(pClient, pWin, &pProp,
+ DixCreateAccess|DixWriteAccess);
+ if (rc != Success) {
+ free(data);
+ free(pProp);
+ pClient->errorValue = property;
+ return rc;
+ }
+ pProp->next = pWin->optional->userProps;
+ pWin->optional->userProps = pProp;
+ }
+ else if (rc == Success)
+ {
+ /* To append or prepend to a property the request format and type
+ must match those of the already defined property. The
+ existing format and type are irrelevant when using the mode
+ "PropModeReplace" since they will be written over. */
+
+ if ((format != pProp->format) && (mode != PropModeReplace))
+ return(BadMatch);
+ if ((pProp->type != type) && (mode != PropModeReplace))
+ return(BadMatch);
+
+ /* save the old values for later */
+ savedProp = *pProp;
+
+ if (mode == PropModeReplace)
+ {
+ data = malloc(totalSize);
+ if (!data && len)
+ return(BadAlloc);
+ memcpy(data, value, totalSize);
+ pProp->data = data;
+ pProp->size = len;
+ pProp->type = type;
+ pProp->format = format;
+ }
+ else if (len == 0)
+ {
+ /* do nothing */
+ }
+ else if (mode == PropModeAppend)
+ {
+ data = malloc((pProp->size + len) * sizeInBytes);
+ if (!data)
+ return(BadAlloc);
+ memcpy(data, pProp->data, pProp->size * sizeInBytes);
+ memcpy(data + pProp->size * sizeInBytes, value, totalSize);
+ pProp->data = data;
+ pProp->size += len;
+ }
+ else if (mode == PropModePrepend)
+ {
+ data = malloc(sizeInBytes * (len + pProp->size));
+ if (!data)
+ return(BadAlloc);
+ memcpy(data + totalSize, pProp->data, pProp->size * sizeInBytes);
+ memcpy(data, value, totalSize);
+ pProp->data = data;
+ pProp->size += len;
+ }
+
+ /* Allow security modules to check the new content */
+ access_mode |= DixPostAccess;
+ rc = XaceHookPropertyAccess(pClient, pWin, &pProp, access_mode);
+ if (rc == Success)
+ {
+ if (savedProp.data != pProp->data)
+ free(savedProp.data);
+ }
+ else
+ {
+ if (savedProp.data != pProp->data)
+ free(pProp->data);
+ *pProp = savedProp;
+ return rc;
+ }
+ }
+ else
+ return rc;
+
+ if (sendevent)
+ deliverPropertyNotifyEvent(pWin, PropertyNewValue, pProp->propertyName);
+
+ return(Success);
+}
+
+int
+ChangeWindowProperty(WindowPtr pWin, Atom property, Atom type, int format,
+ int mode, unsigned long len, pointer value,
+ Bool sendevent)
+{
+ return dixChangeWindowProperty(serverClient, pWin, property, type, format,
+ mode, len, value, sendevent);
+}
+
+int
+DeleteProperty(ClientPtr client, WindowPtr pWin, Atom propName)
+{
+ PropertyPtr pProp, prevProp;
+ int rc;
+
+ rc = dixLookupProperty(&pProp, pWin, propName, client, DixDestroyAccess);
+ if (rc == BadMatch)
+ return Success; /* Succeed if property does not exist */
+
+ if (rc == Success) {
+ if (pWin->optional->userProps == pProp) {
+ /* Takes care of head */
+ if (!(pWin->optional->userProps = pProp->next))
+ CheckWindowOptionalNeed (pWin);
+ } else {
+ /* Need to traverse to find the previous element */
+ prevProp = pWin->optional->userProps;
+ while (prevProp->next != pProp)
+ prevProp = prevProp->next;
+ prevProp->next = pProp->next;
+ }
+
+ deliverPropertyNotifyEvent(pWin, PropertyDelete, pProp->propertyName);
+ dixFreePrivates(pProp->devPrivates);
+ free(pProp->data);
+ free(pProp);
+ }
+ return rc;
+}
+
+void
+DeleteAllWindowProperties(WindowPtr pWin)
+{
+ PropertyPtr pProp, pNextProp;
+
+ pProp = wUserProps (pWin);
+ while (pProp)
+ {
+ deliverPropertyNotifyEvent(pWin, PropertyDelete, pProp->propertyName);
+ pNextProp = pProp->next;
+ dixFreePrivates(pProp->devPrivates);
+ free(pProp->data);
+ free(pProp);
+ pProp = pNextProp;
+ }
+}
+
+static int
+NullPropertyReply(
+ ClientPtr client,
+ ATOM propertyType,
+ int format,
+ xGetPropertyReply *reply)
+{
+ reply->nItems = 0;
+ reply->length = 0;
+ reply->bytesAfter = 0;
+ reply->propertyType = propertyType;
+ reply->format = format;
+ WriteReplyToClient(client, sizeof(xGenericReply), reply);
+ return Success;
+}
+
+/*****************
+ * GetProperty
+ * If type Any is specified, returns the property from the specified
+ * window regardless of its type. If a type is specified, returns the
+ * property only if its type equals the specified type.
+ * If delete is True and a property is returned, the property is also
+ * deleted from the window and a PropertyNotify event is generated on the
+ * window.
+ *****************/
+
+int
+ProcGetProperty(ClientPtr client)
+{
+ PropertyPtr pProp, prevProp;
+ unsigned long n, len, ind;
+ int rc;
+ WindowPtr pWin;
+ xGetPropertyReply reply;
+ Mask win_mode = DixGetPropAccess, prop_mode = DixReadAccess;
+ REQUEST(xGetPropertyReq);
+
+ REQUEST_SIZE_MATCH(xGetPropertyReq);
+ if (stuff->delete) {
+ UpdateCurrentTime();
+ win_mode |= DixSetPropAccess;
+ prop_mode |= DixDestroyAccess;
+ }
+ rc = dixLookupWindow(&pWin, stuff->window, client, win_mode);
+ if (rc != Success)
+ return (rc == BadMatch) ? BadWindow : rc;
+
+ if (!ValidAtom(stuff->property))
+ {
+ client->errorValue = stuff->property;
+ return(BadAtom);
+ }
+ if ((stuff->delete != xTrue) && (stuff->delete != xFalse))
+ {
+ client->errorValue = stuff->delete;
+ return(BadValue);
+ }
+ if ((stuff->type != AnyPropertyType) && !ValidAtom(stuff->type))
+ {
+ client->errorValue = stuff->type;
+ return(BadAtom);
+ }
+
+ memset(&reply, 0, sizeof(xGetPropertyReply));
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+
+ rc = dixLookupProperty(&pProp, pWin, stuff->property, client, prop_mode);
+ if (rc == BadMatch)
+ return NullPropertyReply(client, None, 0, &reply);
+ else if (rc != Success)
+ return rc;
+
+ /* If the request type and actual type don't match. Return the
+ property information, but not the data. */
+
+ if (((stuff->type != pProp->type) &&
+ (stuff->type != AnyPropertyType))
+ )
+ {
+ reply.bytesAfter = pProp->size;
+ reply.format = pProp->format;
+ reply.length = 0;
+ reply.nItems = 0;
+ reply.propertyType = pProp->type;
+ WriteReplyToClient(client, sizeof(xGenericReply), &reply);
+ return(Success);
+ }
+
+/*
+ * Return type, format, value to client
+ */
+ n = (pProp->format/8) * pProp->size; /* size (bytes) of prop */
+ ind = stuff->longOffset << 2;
+
+ /* If longOffset is invalid such that it causes "len" to
+ be negative, it's a value error. */
+
+ if (n < ind)
+ {
+ client->errorValue = stuff->longOffset;
+ return BadValue;
+ }
+
+ len = min(n - ind, 4 * stuff->longLength);
+
+ reply.bytesAfter = n - (ind + len);
+ reply.format = pProp->format;
+ reply.length = bytes_to_int32(len);
+ reply.nItems = len / (pProp->format / 8 );
+ reply.propertyType = pProp->type;
+
+ if (stuff->delete && (reply.bytesAfter == 0))
+ deliverPropertyNotifyEvent(pWin, PropertyDelete, pProp->propertyName);
+
+ WriteReplyToClient(client, sizeof(xGenericReply), &reply);
+ if (len)
+ {
+ switch (reply.format) {
+ case 32: client->pSwapReplyFunc = (ReplySwapPtr)CopySwap32Write; break;
+ case 16: client->pSwapReplyFunc = (ReplySwapPtr)CopySwap16Write; break;
+ default: client->pSwapReplyFunc = (ReplySwapPtr)WriteToClient; break;
+ }
+ WriteSwappedDataToClient(client, len,
+ (char *)pProp->data + ind);
+ }
+
+ if (stuff->delete && (reply.bytesAfter == 0)) {
+ /* Delete the Property */
+ if (pWin->optional->userProps == pProp) {
+ /* Takes care of head */
+ if (!(pWin->optional->userProps = pProp->next))
+ CheckWindowOptionalNeed (pWin);
+ } else {
+ /* Need to traverse to find the previous element */
+ prevProp = pWin->optional->userProps;
+ while (prevProp->next != pProp)
+ prevProp = prevProp->next;
+ prevProp->next = pProp->next;
+ }
+
+ dixFreePrivates(pProp->devPrivates);
+ free(pProp->data);
+ free(pProp);
+ }
+ return Success;
+}
+
+int
+ProcListProperties(ClientPtr client)
+{
+ Atom *pAtoms = NULL, *temppAtoms;
+ xListPropertiesReply xlpr;
+ int rc, numProps = 0;
+ WindowPtr pWin;
+ PropertyPtr pProp, realProp;
+ REQUEST(xResourceReq);
+
+ REQUEST_SIZE_MATCH(xResourceReq);
+ rc = dixLookupWindow(&pWin, stuff->id, client, DixListPropAccess);
+ if (rc != Success)
+ return rc;
+
+ for (pProp = wUserProps(pWin); pProp; pProp = pProp->next)
+ numProps++;
+
+ if (numProps && !(pAtoms = malloc(numProps * sizeof(Atom))))
+ return BadAlloc;
+
+ numProps = 0;
+ temppAtoms = pAtoms;
+ for (pProp = wUserProps(pWin); pProp; pProp = pProp->next) {
+ realProp = pProp;
+ rc = XaceHookPropertyAccess(client, pWin, &realProp, DixGetAttrAccess);
+ if (rc == Success && realProp == pProp) {
+ *temppAtoms++ = pProp->propertyName;
+ numProps++;
+ }
+ }
+
+ xlpr.type = X_Reply;
+ xlpr.nProperties = numProps;
+ xlpr.length = bytes_to_int32(numProps * sizeof(Atom));
+ xlpr.sequenceNumber = client->sequence;
+ WriteReplyToClient(client, sizeof(xGenericReply), &xlpr);
+ if (numProps)
+ {
+ client->pSwapReplyFunc = (ReplySwapPtr)Swap32Write;
+ WriteSwappedDataToClient(client, numProps * sizeof(Atom), pAtoms);
+ }
+ free(pAtoms);
+ return Success;
+}
+
+int
+ProcDeleteProperty(ClientPtr client)
+{
+ WindowPtr pWin;
+ REQUEST(xDeletePropertyReq);
+ int result;
+
+ REQUEST_SIZE_MATCH(xDeletePropertyReq);
+ UpdateCurrentTime();
+ result = dixLookupWindow(&pWin, stuff->window, client, DixSetPropAccess);
+ if (result != Success)
+ return result;
+ if (!ValidAtom(stuff->property))
+ {
+ client->errorValue = stuff->property;
+ return (BadAtom);
+ }
+
+ return DeleteProperty(client, pWin, stuff->property);
+}
diff --git a/xorg-server/dix/ptrveloc.c b/xorg-server/dix/ptrveloc.c index ffc1a1d85..7310952c9 100644 --- a/xorg-server/dix/ptrveloc.c +++ b/xorg-server/dix/ptrveloc.c @@ -120,7 +120,7 @@ InitVelocityData(DeviceVelocityPtr vel) */
void
FreeVelocityData(DeviceVelocityPtr vel){
- xfree(vel->tracker);
+ free(vel->tracker);
SetAccelerationProfile(vel, PROFILE_UNINITIALIZE);
}
@@ -136,7 +136,7 @@ AccelerationDefaultCleanup(DeviceIntPtr dev) && dev->valuator->accelScheme.accelData != NULL){
dev->valuator->accelScheme.AccelSchemeProc = NULL;
FreeVelocityData(dev->valuator->accelScheme.accelData);
- xfree(dev->valuator->accelScheme.accelData);
+ free(dev->valuator->accelScheme.accelData);
dev->valuator->accelScheme.accelData = NULL;
DeletePredictableAccelerationProperties(dev);
}
@@ -381,8 +381,8 @@ InitTrackers(DeviceVelocityPtr vel, int ntracker) ErrorF("(dix ptracc) invalid number of trackers\n");
return;
}
- xfree(vel->tracker);
- vel->tracker = (MotionTrackerPtr)xalloc(ntracker * sizeof(MotionTracker));
+ free(vel->tracker);
+ vel->tracker = (MotionTrackerPtr)malloc(ntracker * sizeof(MotionTracker));
memset(vel->tracker, 0, ntracker * sizeof(MotionTracker));
vel->num_tracker = ntracker;
}
@@ -963,7 +963,7 @@ SetAccelerationProfile( if(vel->profile_private != NULL){
/* Here one could free old profile-private data */
- xfree(vel->profile_private);
+ free(vel->profile_private);
vel->profile_private = NULL;
}
/* Here one could init profile-private data */
diff --git a/xorg-server/dix/registry.c b/xorg-server/dix/registry.c index 547898768..7221359b8 100644 --- a/xorg-server/dix/registry.c +++ b/xorg-server/dix/registry.c @@ -1,337 +1,337 @@ -/************************************************************ - -Author: Eamon Walsh <ewalsh@tycho.nsa.gov> - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -this permission notice appear in supporting documentation. This permission -notice shall be included in all copies or substantial portions of the -Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -********************************************************/ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#ifdef XREGISTRY - -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <X11/X.h> -#include <X11/Xproto.h> -#include "resource.h" -#include "registry.h" - -#define BASE_SIZE 16 -#define CORE "X11" -#define FILENAME SERVER_MISC_CONFIG_PATH "/protocol.txt" - -#define PROT_COMMENT '#' -#define PROT_REQUEST 'R' -#define PROT_EVENT 'V' -#define PROT_ERROR 'E' - -static FILE *fh; - -static char ***requests, **events, **errors, **resources; -static unsigned nmajor, *nminor, nevent, nerror, nresource; - -/* - * File parsing routines - */ -static int double_size(void *p, unsigned n, unsigned size) -{ - char **ptr = (char **)p; - unsigned s, f; - - if (n) { - s = n * size; - n *= 2 * size; - f = n; - } else { - s = 0; - n = f = BASE_SIZE * size; - } - - *ptr = xrealloc(*ptr, n); - if (!*ptr) { - dixResetRegistry(); - return FALSE; - } - memset(*ptr + s, 0, f - s); - return TRUE; -} - -static void -RegisterRequestName(unsigned major, unsigned minor, char *name) -{ - while (major >= nmajor) { - if (!double_size(&requests, nmajor, sizeof(char **))) - return; - if (!double_size(&nminor, nmajor, sizeof(unsigned))) - return; - nmajor = nmajor ? nmajor * 2 : BASE_SIZE; - } - while (minor >= nminor[major]) { - if (!double_size(requests+major, nminor[major], sizeof(char *))) - return; - nminor[major] = nminor[major] ? nminor[major] * 2 : BASE_SIZE; - } - - free(requests[major][minor]); - requests[major][minor] = name; -} - -static void -RegisterEventName(unsigned event, char *name) { - while (event >= nevent) { - if (!double_size(&events, nevent, sizeof(char *))) - return; - nevent = nevent ? nevent * 2 : BASE_SIZE; - } - - free(events[event]); - events[event] = name; -} - -static void -RegisterErrorName(unsigned error, char *name) { - while (error >= nerror) { - if (!double_size(&errors, nerror, sizeof(char *))) - return; - nerror = nerror ? nerror * 2 : BASE_SIZE; - } - - free(errors[error]); - errors[error] = name; -} - -void -RegisterExtensionNames(ExtensionEntry *extEntry) -{ - char buf[256], *lineobj, *ptr; - unsigned offset; - - if (fh == NULL) - return; - - rewind(fh); - - while (fgets(buf, sizeof(buf), fh)) { - lineobj = NULL; - ptr = strchr(buf, '\n'); - if (ptr) - *ptr = 0; - - /* Check for comments or empty lines */ - switch (buf[0]) { - case PROT_REQUEST: - case PROT_EVENT: - case PROT_ERROR: - break; - case PROT_COMMENT: - case '\0': - continue; - default: - goto invalid; - } - - /* Check for space character in the fifth position */ - ptr = strchr(buf, ' '); - if (!ptr || ptr != buf + 4) - goto invalid; - - /* Duplicate the string after the space */ - lineobj = strdup(ptr + 1); - if (!lineobj) - continue; - - /* Check for a colon somewhere on the line */ - ptr = strchr(buf, ':'); - if (!ptr) - goto invalid; - - /* Compare the part before colon with the target extension name */ - *ptr = 0; - if (strcmp(buf + 5, extEntry->name)) - goto skip; - - /* Get the opcode for the request, event, or error */ - offset = strtol(buf + 1, &ptr, 10); - if (offset == 0 && ptr == buf + 1) - goto invalid; - - /* Save the strdup result in the registry */ - switch(buf[0]) { - case PROT_REQUEST: - if (extEntry->base) - RegisterRequestName(extEntry->base, offset, lineobj); - else - RegisterRequestName(offset, 0, lineobj); - continue; - case PROT_EVENT: - RegisterEventName(extEntry->eventBase + offset, lineobj); - continue; - case PROT_ERROR: - RegisterErrorName(extEntry->errorBase + offset, lineobj); - continue; - } - - invalid: - LogMessage(X_WARNING, "Invalid line in " FILENAME ", skipping\n"); - skip: - free(lineobj); - } -} - -/* - * Registration functions - */ - -void -RegisterResourceName(RESTYPE resource, char *name) -{ - resource &= TypeMask; - - while (resource >= nresource) { - if (!double_size(&resources, nresource, sizeof(char *))) - return; - nresource = nresource ? nresource * 2 : BASE_SIZE; - } - - resources[resource] = name; -} - -/* - * Lookup functions - */ - -const char * -LookupRequestName(int major, int minor) -{ - if (major >= nmajor) - return XREGISTRY_UNKNOWN; - if (minor >= nminor[major]) - return XREGISTRY_UNKNOWN; - - return requests[major][minor] ? requests[major][minor] : XREGISTRY_UNKNOWN; -} - -const char * -LookupMajorName(int major) -{ - if (major < 128) { - const char *retval; - - if (major >= nmajor) - return XREGISTRY_UNKNOWN; - if (0 >= nminor[major]) - return XREGISTRY_UNKNOWN; - - retval = requests[major][0]; - return retval ? retval + sizeof(CORE) : XREGISTRY_UNKNOWN; - } else { - ExtensionEntry *extEntry = GetExtensionEntry(major); - return extEntry ? extEntry->name : XREGISTRY_UNKNOWN; - } -} - -const char * -LookupEventName(int event) -{ - event &= 127; - if (event >= nevent) - return XREGISTRY_UNKNOWN; - - return events[event] ? events[event] : XREGISTRY_UNKNOWN; -} - -const char * -LookupErrorName(int error) -{ - if (error >= nerror) - return XREGISTRY_UNKNOWN; - - return errors[error] ? errors[error] : XREGISTRY_UNKNOWN; -} - -const char * -LookupResourceName(RESTYPE resource) -{ - resource &= TypeMask; - if (resource >= nresource) - return XREGISTRY_UNKNOWN; - - return resources[resource] ? resources[resource] : XREGISTRY_UNKNOWN; -} - -/* - * Setup and teardown - */ -void -dixResetRegistry(void) -{ - ExtensionEntry extEntry; - - /* Free all memory */ - while (nmajor--) { - while (nminor[nmajor]) - free(requests[nmajor][--nminor[nmajor]]); - xfree(requests[nmajor]); - } - xfree(requests); - xfree(nminor); - - while (nevent--) - free(events[nevent]); - xfree(events); - - while (nerror--) - free(errors[nerror]); - xfree(errors); - - xfree(resources); - - requests = NULL; - nminor = NULL; - events = NULL; - errors = NULL; - resources = NULL; - - nmajor = nevent = nerror = nresource = 0; - - /* Open the protocol file */ - if (fh) - fclose(fh); - fh = fopen(FILENAME, "r"); - if (!fh) - LogMessage(X_WARNING, "Failed to open protocol names file " FILENAME "\n"); - - /* Add built-in resources */ - RegisterResourceName(RT_NONE, "NONE"); - RegisterResourceName(RT_WINDOW, "WINDOW"); - RegisterResourceName(RT_PIXMAP, "PIXMAP"); - RegisterResourceName(RT_GC, "GC"); - RegisterResourceName(RT_FONT, "FONT"); - RegisterResourceName(RT_CURSOR, "CURSOR"); - RegisterResourceName(RT_COLORMAP, "COLORMAP"); - RegisterResourceName(RT_CMAPENTRY, "COLORMAP ENTRY"); - RegisterResourceName(RT_OTHERCLIENT, "OTHER CLIENT"); - RegisterResourceName(RT_PASSIVEGRAB, "PASSIVE GRAB"); - - /* Add the core protocol */ - memset(&extEntry, 0, sizeof(extEntry)); - extEntry.name = CORE; - RegisterExtensionNames(&extEntry); -} - -#endif /* XREGISTRY */ +/************************************************************
+
+Author: Eamon Walsh <ewalsh@tycho.nsa.gov>
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+this permission notice appear in supporting documentation. This permission
+notice shall be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+********************************************************/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#ifdef XREGISTRY
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "resource.h"
+#include "registry.h"
+
+#define BASE_SIZE 16
+#define CORE "X11"
+#define FILENAME SERVER_MISC_CONFIG_PATH "/protocol.txt"
+
+#define PROT_COMMENT '#'
+#define PROT_REQUEST 'R'
+#define PROT_EVENT 'V'
+#define PROT_ERROR 'E'
+
+static FILE *fh;
+
+static char ***requests, **events, **errors, **resources;
+static unsigned nmajor, *nminor, nevent, nerror, nresource;
+
+/*
+ * File parsing routines
+ */
+static int double_size(void *p, unsigned n, unsigned size)
+{
+ char **ptr = (char **)p;
+ unsigned s, f;
+
+ if (n) {
+ s = n * size;
+ n *= 2 * size;
+ f = n;
+ } else {
+ s = 0;
+ n = f = BASE_SIZE * size;
+ }
+
+ *ptr = realloc(*ptr, n);
+ if (!*ptr) {
+ dixResetRegistry();
+ return FALSE;
+ }
+ memset(*ptr + s, 0, f - s);
+ return TRUE;
+}
+
+static void
+RegisterRequestName(unsigned major, unsigned minor, char *name)
+{
+ while (major >= nmajor) {
+ if (!double_size(&requests, nmajor, sizeof(char **)))
+ return;
+ if (!double_size(&nminor, nmajor, sizeof(unsigned)))
+ return;
+ nmajor = nmajor ? nmajor * 2 : BASE_SIZE;
+ }
+ while (minor >= nminor[major]) {
+ if (!double_size(requests+major, nminor[major], sizeof(char *)))
+ return;
+ nminor[major] = nminor[major] ? nminor[major] * 2 : BASE_SIZE;
+ }
+
+ free(requests[major][minor]);
+ requests[major][minor] = name;
+}
+
+static void
+RegisterEventName(unsigned event, char *name) {
+ while (event >= nevent) {
+ if (!double_size(&events, nevent, sizeof(char *)))
+ return;
+ nevent = nevent ? nevent * 2 : BASE_SIZE;
+ }
+
+ free(events[event]);
+ events[event] = name;
+}
+
+static void
+RegisterErrorName(unsigned error, char *name) {
+ while (error >= nerror) {
+ if (!double_size(&errors, nerror, sizeof(char *)))
+ return;
+ nerror = nerror ? nerror * 2 : BASE_SIZE;
+ }
+
+ free(errors[error]);
+ errors[error] = name;
+}
+
+void
+RegisterExtensionNames(ExtensionEntry *extEntry)
+{
+ char buf[256], *lineobj, *ptr;
+ unsigned offset;
+
+ if (fh == NULL)
+ return;
+
+ rewind(fh);
+
+ while (fgets(buf, sizeof(buf), fh)) {
+ lineobj = NULL;
+ ptr = strchr(buf, '\n');
+ if (ptr)
+ *ptr = 0;
+
+ /* Check for comments or empty lines */
+ switch (buf[0]) {
+ case PROT_REQUEST:
+ case PROT_EVENT:
+ case PROT_ERROR:
+ break;
+ case PROT_COMMENT:
+ case '\0':
+ continue;
+ default:
+ goto invalid;
+ }
+
+ /* Check for space character in the fifth position */
+ ptr = strchr(buf, ' ');
+ if (!ptr || ptr != buf + 4)
+ goto invalid;
+
+ /* Duplicate the string after the space */
+ lineobj = strdup(ptr + 1);
+ if (!lineobj)
+ continue;
+
+ /* Check for a colon somewhere on the line */
+ ptr = strchr(buf, ':');
+ if (!ptr)
+ goto invalid;
+
+ /* Compare the part before colon with the target extension name */
+ *ptr = 0;
+ if (strcmp(buf + 5, extEntry->name))
+ goto skip;
+
+ /* Get the opcode for the request, event, or error */
+ offset = strtol(buf + 1, &ptr, 10);
+ if (offset == 0 && ptr == buf + 1)
+ goto invalid;
+
+ /* Save the strdup result in the registry */
+ switch(buf[0]) {
+ case PROT_REQUEST:
+ if (extEntry->base)
+ RegisterRequestName(extEntry->base, offset, lineobj);
+ else
+ RegisterRequestName(offset, 0, lineobj);
+ continue;
+ case PROT_EVENT:
+ RegisterEventName(extEntry->eventBase + offset, lineobj);
+ continue;
+ case PROT_ERROR:
+ RegisterErrorName(extEntry->errorBase + offset, lineobj);
+ continue;
+ }
+
+ invalid:
+ LogMessage(X_WARNING, "Invalid line in " FILENAME ", skipping\n");
+ skip:
+ free(lineobj);
+ }
+}
+
+/*
+ * Registration functions
+ */
+
+void
+RegisterResourceName(RESTYPE resource, char *name)
+{
+ resource &= TypeMask;
+
+ while (resource >= nresource) {
+ if (!double_size(&resources, nresource, sizeof(char *)))
+ return;
+ nresource = nresource ? nresource * 2 : BASE_SIZE;
+ }
+
+ resources[resource] = name;
+}
+
+/*
+ * Lookup functions
+ */
+
+const char *
+LookupRequestName(int major, int minor)
+{
+ if (major >= nmajor)
+ return XREGISTRY_UNKNOWN;
+ if (minor >= nminor[major])
+ return XREGISTRY_UNKNOWN;
+
+ return requests[major][minor] ? requests[major][minor] : XREGISTRY_UNKNOWN;
+}
+
+const char *
+LookupMajorName(int major)
+{
+ if (major < 128) {
+ const char *retval;
+
+ if (major >= nmajor)
+ return XREGISTRY_UNKNOWN;
+ if (0 >= nminor[major])
+ return XREGISTRY_UNKNOWN;
+
+ retval = requests[major][0];
+ return retval ? retval + sizeof(CORE) : XREGISTRY_UNKNOWN;
+ } else {
+ ExtensionEntry *extEntry = GetExtensionEntry(major);
+ return extEntry ? extEntry->name : XREGISTRY_UNKNOWN;
+ }
+}
+
+const char *
+LookupEventName(int event)
+{
+ event &= 127;
+ if (event >= nevent)
+ return XREGISTRY_UNKNOWN;
+
+ return events[event] ? events[event] : XREGISTRY_UNKNOWN;
+}
+
+const char *
+LookupErrorName(int error)
+{
+ if (error >= nerror)
+ return XREGISTRY_UNKNOWN;
+
+ return errors[error] ? errors[error] : XREGISTRY_UNKNOWN;
+}
+
+const char *
+LookupResourceName(RESTYPE resource)
+{
+ resource &= TypeMask;
+ if (resource >= nresource)
+ return XREGISTRY_UNKNOWN;
+
+ return resources[resource] ? resources[resource] : XREGISTRY_UNKNOWN;
+}
+
+/*
+ * Setup and teardown
+ */
+void
+dixResetRegistry(void)
+{
+ ExtensionEntry extEntry;
+
+ /* Free all memory */
+ while (nmajor--) {
+ while (nminor[nmajor])
+ free(requests[nmajor][--nminor[nmajor]]);
+ free(requests[nmajor]);
+ }
+ free(requests);
+ free(nminor);
+
+ while (nevent--)
+ free(events[nevent]);
+ free(events);
+
+ while (nerror--)
+ free(errors[nerror]);
+ free(errors);
+
+ free(resources);
+
+ requests = NULL;
+ nminor = NULL;
+ events = NULL;
+ errors = NULL;
+ resources = NULL;
+
+ nmajor = nevent = nerror = nresource = 0;
+
+ /* Open the protocol file */
+ if (fh)
+ fclose(fh);
+ fh = fopen(FILENAME, "r");
+ if (!fh)
+ LogMessage(X_WARNING, "Failed to open protocol names file " FILENAME "\n");
+
+ /* Add built-in resources */
+ RegisterResourceName(RT_NONE, "NONE");
+ RegisterResourceName(RT_WINDOW, "WINDOW");
+ RegisterResourceName(RT_PIXMAP, "PIXMAP");
+ RegisterResourceName(RT_GC, "GC");
+ RegisterResourceName(RT_FONT, "FONT");
+ RegisterResourceName(RT_CURSOR, "CURSOR");
+ RegisterResourceName(RT_COLORMAP, "COLORMAP");
+ RegisterResourceName(RT_CMAPENTRY, "COLORMAP ENTRY");
+ RegisterResourceName(RT_OTHERCLIENT, "OTHER CLIENT");
+ RegisterResourceName(RT_PASSIVEGRAB, "PASSIVE GRAB");
+
+ /* Add the core protocol */
+ memset(&extEntry, 0, sizeof(extEntry));
+ extEntry.name = CORE;
+ RegisterExtensionNames(&extEntry);
+}
+
+#endif /* XREGISTRY */
diff --git a/xorg-server/dix/resource.c b/xorg-server/dix/resource.c index 2eb1b3697..00b3368a0 100644 --- a/xorg-server/dix/resource.c +++ b/xorg-server/dix/resource.c @@ -204,7 +204,7 @@ CreateNewResourceType(DeleteType deleteFunc, char *name) if (next & lastResourceClass)
return 0;
- funcs = (DeleteType *)xrealloc(DeleteFuncs,
+ funcs = (DeleteType *)realloc(DeleteFuncs,
(next + 1) * sizeof(DeleteType));
if (!funcs)
return 0;
@@ -252,8 +252,8 @@ InitClientResources(ClientPtr client) lastResourceClass = RC_LASTPREDEF;
TypeMask = RC_LASTPREDEF - 1;
if (DeleteFuncs)
- xfree(DeleteFuncs);
- DeleteFuncs = xalloc((lastResourceType + 1) * sizeof(DeleteType));
+ free(DeleteFuncs);
+ DeleteFuncs = malloc((lastResourceType + 1) * sizeof(DeleteType));
if (!DeleteFuncs)
return FALSE;
DeleteFuncs[RT_NONE & TypeMask] = (DeleteType)NoopDDA;
@@ -268,7 +268,7 @@ InitClientResources(ClientPtr client) DeleteFuncs[RT_PASSIVEGRAB & TypeMask] = DeletePassiveGrab;
}
clientTable[i = client->index].resources =
- xalloc(INITBUCKETS*sizeof(ResourcePtr));
+ malloc(INITBUCKETS*sizeof(ResourcePtr));
if (!clientTable[i].resources)
return FALSE;
clientTable[i].buckets = INITBUCKETS;
@@ -459,7 +459,7 @@ AddResource(XID id, RESTYPE type, pointer value) (rrec->hashsize < MAXHASHSIZE))
RebuildTable(client);
head = &rrec->resources[Hash(client, id)];
- res = xalloc(sizeof(ResourceRec));
+ res = malloc(sizeof(ResourceRec));
if (!res)
{
(*DeleteFuncs[type & TypeMask])(value, id);
@@ -491,13 +491,13 @@ RebuildTable(int client) */
j = 2 * clientTable[client].buckets;
- tails = xalloc(j * sizeof(ResourcePtr *));
+ tails = malloc(j * sizeof(ResourcePtr *));
if (!tails)
return;
- resources = xalloc(j * sizeof(ResourcePtr));
+ resources = malloc(j * sizeof(ResourcePtr));
if (!resources)
{
- xfree(tails);
+ free(tails);
return;
}
for (rptr = resources, tptr = tails; --j >= 0; rptr++, tptr++)
@@ -520,9 +520,9 @@ RebuildTable(int client) *tptr = &res->next;
}
}
- xfree(tails);
+ free(tails);
clientTable[client].buckets *= 2;
- xfree(clientTable[client].resources);
+ free(clientTable[client].resources);
clientTable[client].resources = resources;
}
@@ -558,7 +558,7 @@ FreeResource(XID id, RESTYPE skipDeleteFuncType) if (rtype != skipDeleteFuncType)
(*DeleteFuncs[rtype & TypeMask])(res->value, res->id);
- xfree(res);
+ free(res);
if (*eltptr != elements)
prev = head; /* prev may no longer be valid */
}
@@ -595,7 +595,7 @@ FreeResourceByType(XID id, RESTYPE type, Bool skipFree) if (!skipFree)
(*DeleteFuncs[type & TypeMask])(res->value, res->id);
- xfree(res);
+ free(res);
break;
}
else
@@ -762,7 +762,7 @@ FreeClientNeverRetainResources(ClientPtr client) elements = *eltptr;
(*DeleteFuncs[rtype & TypeMask])(this->value, this->id);
- xfree(this);
+ free(this);
if (*eltptr != elements)
prev = &resources[j]; /* prev may no longer be valid */
}
@@ -816,10 +816,10 @@ FreeClientResources(ClientPtr client) CallResourceStateCallback(ResourceStateFreeing, this);
(*DeleteFuncs[rtype & TypeMask])(this->value, this->id);
- xfree(this);
+ free(this);
}
}
- xfree(clientTable[client->index].resources);
+ free(clientTable[client->index].resources);
clientTable[client->index].resources = NULL;
clientTable[client->index].buckets = 0;
}
diff --git a/xorg-server/dix/selection.c b/xorg-server/dix/selection.c index d72f381ca..947fc8d18 100644 --- a/xorg-server/dix/selection.c +++ b/xorg-server/dix/selection.c @@ -1,313 +1,313 @@ -/************************************************************ - -Copyright 1987, 1989, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987, 1989 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -********************************************************/ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include "windowstr.h" -#include "dixstruct.h" -#include "dispatch.h" -#include "selection.h" -#include "xace.h" - -/***************************************************************** - * Selection Stuff - * - * dixLookupSelection - * - * Selections are global to the server. The list of selections should - * not be traversed directly. Instead, use the functions listed above. - * - *****************************************************************/ - -Selection *CurrentSelections; -CallbackListPtr SelectionCallback; - -int -dixLookupSelection(Selection **result, Atom selectionName, - ClientPtr client, Mask access_mode) -{ - Selection *pSel; - int rc = BadMatch; - client->errorValue = selectionName; - - for (pSel = CurrentSelections; pSel; pSel = pSel->next) - if (pSel->selection == selectionName) - break; - - if (pSel) - rc = XaceHookSelectionAccess(client, &pSel, access_mode); - *result = pSel; - return rc; -} - -void -InitSelections(void) -{ - Selection *pSel, *pNextSel; - - pSel = CurrentSelections; - while (pSel) { - pNextSel = pSel->next; - dixFreePrivates(pSel->devPrivates); - xfree(pSel); - pSel = pNextSel; - } - - CurrentSelections = NULL; -} - -static _X_INLINE void -CallSelectionCallback(Selection *pSel, ClientPtr client, - SelectionCallbackKind kind) -{ - SelectionInfoRec info = { pSel, client, kind }; - CallCallbacks(&SelectionCallback, &info); -} - -void -DeleteWindowFromAnySelections(WindowPtr pWin) -{ - Selection *pSel; - - for (pSel = CurrentSelections; pSel; pSel = pSel->next) - if (pSel->pWin == pWin) { - CallSelectionCallback(pSel, NULL, SelectionWindowDestroy); - - pSel->pWin = (WindowPtr)NULL; - pSel->window = None; - pSel->client = NullClient; - } -} - -void -DeleteClientFromAnySelections(ClientPtr client) -{ - Selection *pSel; - - for (pSel = CurrentSelections; pSel; pSel = pSel->next) - if (pSel->client == client) { - CallSelectionCallback(pSel, NULL, SelectionClientClose); - - pSel->pWin = (WindowPtr)NULL; - pSel->window = None; - pSel->client = NullClient; - } -} - -int -ProcSetSelectionOwner(ClientPtr client) -{ - WindowPtr pWin = NULL; - TimeStamp time; - Selection *pSel; - int rc; - - REQUEST(xSetSelectionOwnerReq); - REQUEST_SIZE_MATCH(xSetSelectionOwnerReq); - - UpdateCurrentTime(); - time = ClientTimeToServerTime(stuff->time); - - /* If the client's time stamp is in the future relative to the server's - time stamp, do not set the selection, just return success. */ - if (CompareTimeStamps(time, currentTime) == LATER) - return Success; - - if (stuff->window != None) { - rc = dixLookupWindow(&pWin, stuff->window, client, DixSetAttrAccess); - if (rc != Success) - return rc; - } - if (!ValidAtom(stuff->selection)) { - client->errorValue = stuff->selection; - return BadAtom; - } - - /* - * First, see if the selection is already set... - */ - rc = dixLookupSelection(&pSel, stuff->selection, client, DixSetAttrAccess); - - if (rc == Success) { - xEvent event; - - /* If the timestamp in client's request is in the past relative - to the time stamp indicating the last time the owner of the - selection was set, do not set the selection, just return - success. */ - if (CompareTimeStamps(time, pSel->lastTimeChanged) == EARLIER) - return Success; - if (pSel->client && (!pWin || (pSel->client != client))) - { - event.u.u.type = SelectionClear; - event.u.selectionClear.time = time.milliseconds; - event.u.selectionClear.window = pSel->window; - event.u.selectionClear.atom = pSel->selection; - TryClientEvents(pSel->client, NULL, &event, 1, NoEventMask, - NoEventMask /* CantBeFiltered */, NullGrab); - } - } - else if (rc == BadMatch) - { - /* - * It doesn't exist, so add it... - */ - pSel = xalloc(sizeof(Selection)); - if (!pSel) - return BadAlloc; - - pSel->selection = stuff->selection; - pSel->devPrivates = NULL; - - /* security creation/labeling check */ - rc = XaceHookSelectionAccess(client, &pSel, - DixCreateAccess|DixSetAttrAccess); - if (rc != Success) { - xfree(pSel); - return rc; - } - - pSel->next = CurrentSelections; - CurrentSelections = pSel; - } - else - return rc; - - pSel->lastTimeChanged = time; - pSel->window = stuff->window; - pSel->pWin = pWin; - pSel->client = (pWin ? client : NullClient); - - CallSelectionCallback(pSel, client, SelectionSetOwner); - return client->noClientException; -} - -int -ProcGetSelectionOwner(ClientPtr client) -{ - int rc; - Selection *pSel; - xGetSelectionOwnerReply reply; - - REQUEST(xResourceReq); - REQUEST_SIZE_MATCH(xResourceReq); - - if (!ValidAtom(stuff->id)) { - client->errorValue = stuff->id; - return BadAtom; - } - - memset(&reply, 0, sizeof(xGetSelectionOwnerReply)); - reply.type = X_Reply; - reply.length = 0; - reply.sequenceNumber = client->sequence; - - rc = dixLookupSelection(&pSel, stuff->id, client, DixGetAttrAccess); - if (rc == Success) - reply.owner = pSel->window; - else if (rc == BadMatch) - reply.owner = None; - else - return rc; - - WriteReplyToClient(client, sizeof(xGetSelectionOwnerReply), &reply); - return client->noClientException; -} - -int -ProcConvertSelection(ClientPtr client) -{ - Bool paramsOkay; - xEvent event; - WindowPtr pWin; - Selection *pSel; - int rc; - - REQUEST(xConvertSelectionReq); - REQUEST_SIZE_MATCH(xConvertSelectionReq); - - rc = dixLookupWindow(&pWin, stuff->requestor, client, DixSetAttrAccess); - if (rc != Success) - return rc; - - paramsOkay = ValidAtom(stuff->selection) && ValidAtom(stuff->target); - paramsOkay &= (stuff->property == None) || ValidAtom(stuff->property); - if (!paramsOkay) { - client->errorValue = stuff->property; - return BadAtom; - } - - rc = dixLookupSelection(&pSel, stuff->selection, client, DixReadAccess); - - memset(&event, 0, sizeof(xEvent)); - if (rc != Success && rc != BadMatch) - return rc; - else if (rc == Success && pSel->window != None) { - event.u.u.type = SelectionRequest; - event.u.selectionRequest.owner = pSel->window; - event.u.selectionRequest.time = stuff->time; - event.u.selectionRequest.requestor = stuff->requestor; - event.u.selectionRequest.selection = stuff->selection; - event.u.selectionRequest.target = stuff->target; - event.u.selectionRequest.property = stuff->property; - if (TryClientEvents(pSel->client, NULL, &event, 1, NoEventMask, - NoEventMask /* CantBeFiltered */, NullGrab)) - return client->noClientException; - } - - event.u.u.type = SelectionNotify; - event.u.selectionNotify.time = stuff->time; - event.u.selectionNotify.requestor = stuff->requestor; - event.u.selectionNotify.selection = stuff->selection; - event.u.selectionNotify.target = stuff->target; - event.u.selectionNotify.property = None; - TryClientEvents(client, NULL, &event, 1, NoEventMask, - NoEventMask /* CantBeFiltered */, NullGrab); - return client->noClientException; -} +/************************************************************
+
+Copyright 1987, 1989, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987, 1989 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+********************************************************/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "windowstr.h"
+#include "dixstruct.h"
+#include "dispatch.h"
+#include "selection.h"
+#include "xace.h"
+
+/*****************************************************************
+ * Selection Stuff
+ *
+ * dixLookupSelection
+ *
+ * Selections are global to the server. The list of selections should
+ * not be traversed directly. Instead, use the functions listed above.
+ *
+ *****************************************************************/
+
+Selection *CurrentSelections;
+CallbackListPtr SelectionCallback;
+
+int
+dixLookupSelection(Selection **result, Atom selectionName,
+ ClientPtr client, Mask access_mode)
+{
+ Selection *pSel;
+ int rc = BadMatch;
+ client->errorValue = selectionName;
+
+ for (pSel = CurrentSelections; pSel; pSel = pSel->next)
+ if (pSel->selection == selectionName)
+ break;
+
+ if (pSel)
+ rc = XaceHookSelectionAccess(client, &pSel, access_mode);
+ *result = pSel;
+ return rc;
+}
+
+void
+InitSelections(void)
+{
+ Selection *pSel, *pNextSel;
+
+ pSel = CurrentSelections;
+ while (pSel) {
+ pNextSel = pSel->next;
+ dixFreePrivates(pSel->devPrivates);
+ free(pSel);
+ pSel = pNextSel;
+ }
+
+ CurrentSelections = NULL;
+}
+
+static _X_INLINE void
+CallSelectionCallback(Selection *pSel, ClientPtr client,
+ SelectionCallbackKind kind)
+{
+ SelectionInfoRec info = { pSel, client, kind };
+ CallCallbacks(&SelectionCallback, &info);
+}
+
+void
+DeleteWindowFromAnySelections(WindowPtr pWin)
+{
+ Selection *pSel;
+
+ for (pSel = CurrentSelections; pSel; pSel = pSel->next)
+ if (pSel->pWin == pWin) {
+ CallSelectionCallback(pSel, NULL, SelectionWindowDestroy);
+
+ pSel->pWin = (WindowPtr)NULL;
+ pSel->window = None;
+ pSel->client = NullClient;
+ }
+}
+
+void
+DeleteClientFromAnySelections(ClientPtr client)
+{
+ Selection *pSel;
+
+ for (pSel = CurrentSelections; pSel; pSel = pSel->next)
+ if (pSel->client == client) {
+ CallSelectionCallback(pSel, NULL, SelectionClientClose);
+
+ pSel->pWin = (WindowPtr)NULL;
+ pSel->window = None;
+ pSel->client = NullClient;
+ }
+}
+
+int
+ProcSetSelectionOwner(ClientPtr client)
+{
+ WindowPtr pWin = NULL;
+ TimeStamp time;
+ Selection *pSel;
+ int rc;
+
+ REQUEST(xSetSelectionOwnerReq);
+ REQUEST_SIZE_MATCH(xSetSelectionOwnerReq);
+
+ UpdateCurrentTime();
+ time = ClientTimeToServerTime(stuff->time);
+
+ /* If the client's time stamp is in the future relative to the server's
+ time stamp, do not set the selection, just return success. */
+ if (CompareTimeStamps(time, currentTime) == LATER)
+ return Success;
+
+ if (stuff->window != None) {
+ rc = dixLookupWindow(&pWin, stuff->window, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+ }
+ if (!ValidAtom(stuff->selection)) {
+ client->errorValue = stuff->selection;
+ return BadAtom;
+ }
+
+ /*
+ * First, see if the selection is already set...
+ */
+ rc = dixLookupSelection(&pSel, stuff->selection, client, DixSetAttrAccess);
+
+ if (rc == Success) {
+ xEvent event;
+
+ /* If the timestamp in client's request is in the past relative
+ to the time stamp indicating the last time the owner of the
+ selection was set, do not set the selection, just return
+ success. */
+ if (CompareTimeStamps(time, pSel->lastTimeChanged) == EARLIER)
+ return Success;
+ if (pSel->client && (!pWin || (pSel->client != client)))
+ {
+ event.u.u.type = SelectionClear;
+ event.u.selectionClear.time = time.milliseconds;
+ event.u.selectionClear.window = pSel->window;
+ event.u.selectionClear.atom = pSel->selection;
+ TryClientEvents(pSel->client, NULL, &event, 1, NoEventMask,
+ NoEventMask /* CantBeFiltered */, NullGrab);
+ }
+ }
+ else if (rc == BadMatch)
+ {
+ /*
+ * It doesn't exist, so add it...
+ */
+ pSel = malloc(sizeof(Selection));
+ if (!pSel)
+ return BadAlloc;
+
+ pSel->selection = stuff->selection;
+ pSel->devPrivates = NULL;
+
+ /* security creation/labeling check */
+ rc = XaceHookSelectionAccess(client, &pSel,
+ DixCreateAccess|DixSetAttrAccess);
+ if (rc != Success) {
+ free(pSel);
+ return rc;
+ }
+
+ pSel->next = CurrentSelections;
+ CurrentSelections = pSel;
+ }
+ else
+ return rc;
+
+ pSel->lastTimeChanged = time;
+ pSel->window = stuff->window;
+ pSel->pWin = pWin;
+ pSel->client = (pWin ? client : NullClient);
+
+ CallSelectionCallback(pSel, client, SelectionSetOwner);
+ return Success;
+}
+
+int
+ProcGetSelectionOwner(ClientPtr client)
+{
+ int rc;
+ Selection *pSel;
+ xGetSelectionOwnerReply reply;
+
+ REQUEST(xResourceReq);
+ REQUEST_SIZE_MATCH(xResourceReq);
+
+ if (!ValidAtom(stuff->id)) {
+ client->errorValue = stuff->id;
+ return BadAtom;
+ }
+
+ memset(&reply, 0, sizeof(xGetSelectionOwnerReply));
+ reply.type = X_Reply;
+ reply.length = 0;
+ reply.sequenceNumber = client->sequence;
+
+ rc = dixLookupSelection(&pSel, stuff->id, client, DixGetAttrAccess);
+ if (rc == Success)
+ reply.owner = pSel->window;
+ else if (rc == BadMatch)
+ reply.owner = None;
+ else
+ return rc;
+
+ WriteReplyToClient(client, sizeof(xGetSelectionOwnerReply), &reply);
+ return Success;
+}
+
+int
+ProcConvertSelection(ClientPtr client)
+{
+ Bool paramsOkay;
+ xEvent event;
+ WindowPtr pWin;
+ Selection *pSel;
+ int rc;
+
+ REQUEST(xConvertSelectionReq);
+ REQUEST_SIZE_MATCH(xConvertSelectionReq);
+
+ rc = dixLookupWindow(&pWin, stuff->requestor, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ paramsOkay = ValidAtom(stuff->selection) && ValidAtom(stuff->target);
+ paramsOkay &= (stuff->property == None) || ValidAtom(stuff->property);
+ if (!paramsOkay) {
+ client->errorValue = stuff->property;
+ return BadAtom;
+ }
+
+ rc = dixLookupSelection(&pSel, stuff->selection, client, DixReadAccess);
+
+ memset(&event, 0, sizeof(xEvent));
+ if (rc != Success && rc != BadMatch)
+ return rc;
+ else if (rc == Success && pSel->window != None) {
+ event.u.u.type = SelectionRequest;
+ event.u.selectionRequest.owner = pSel->window;
+ event.u.selectionRequest.time = stuff->time;
+ event.u.selectionRequest.requestor = stuff->requestor;
+ event.u.selectionRequest.selection = stuff->selection;
+ event.u.selectionRequest.target = stuff->target;
+ event.u.selectionRequest.property = stuff->property;
+ if (TryClientEvents(pSel->client, NULL, &event, 1, NoEventMask,
+ NoEventMask /* CantBeFiltered */, NullGrab))
+ return Success;
+ }
+
+ event.u.u.type = SelectionNotify;
+ event.u.selectionNotify.time = stuff->time;
+ event.u.selectionNotify.requestor = stuff->requestor;
+ event.u.selectionNotify.selection = stuff->selection;
+ event.u.selectionNotify.target = stuff->target;
+ event.u.selectionNotify.property = None;
+ TryClientEvents(client, NULL, &event, 1, NoEventMask,
+ NoEventMask /* CantBeFiltered */, NullGrab);
+ return Success;
+}
diff --git a/xorg-server/dix/swaprep.c b/xorg-server/dix/swaprep.c index 12c6dbd26..936da6d1c 100644 --- a/xorg-server/dix/swaprep.c +++ b/xorg-server/dix/swaprep.c @@ -1,1308 +1,1308 @@ -/************************************************************ - -Copyright 1987, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -********************************************************/ - - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <X11/X.h> -#include <X11/Xproto.h> -#include "misc.h" -#include "dixstruct.h" -#include <X11/fonts/fontstruct.h> -#include "scrnintstr.h" -#include "swaprep.h" -#include "globals.h" - -static void SwapFontInfo(xQueryFontReply *pr); - -static void SwapCharInfo(xCharInfo *pInfo); - -static void SwapFont(xQueryFontReply *pr, Bool hasGlyphs); - -/** - * Thanks to Jack Palevich for testing and subsequently rewriting all this - * - * \param size size in bytes - */ -void -Swap32Write(ClientPtr pClient, int size, CARD32 *pbuf) -{ - int i; - char n; - - size >>= 2; - for(i = 0; i < size; i++) - /* brackets are mandatory here, because "swapl" macro expands - to several statements */ - { - swapl(&pbuf[i], n); - } - (void)WriteToClient(pClient, size << 2, (char *) pbuf); -} - -/** - * - * \param size size in bytes - */ -void -CopySwap32Write(ClientPtr pClient, int size, CARD32 *pbuf) -{ - int bufsize = size; - CARD32 *pbufT; - CARD32 *from, *to, *fromLast, *toLast; - CARD32 tmpbuf[1]; - - /* Allocate as big a buffer as we can... */ - while (!(pbufT = xalloc(bufsize))) - { - bufsize >>= 1; - if (bufsize == 4) - { - pbufT = tmpbuf; - break; - } - } - - /* convert lengths from # of bytes to # of longs */ - size >>= 2; - bufsize >>= 2; - - from = pbuf; - fromLast = from + size; - while (from < fromLast) { - int nbytes; - to = pbufT; - toLast = to + min (bufsize, fromLast - from); - nbytes = (toLast - to) << 2; - while (to < toLast) { - /* can't write "cpswapl(*from++, *to++)" because cpswapl is a macro - that evaulates its args more than once */ - cpswapl(*from, *to); - from++; - to++; - } - (void)WriteToClient (pClient, nbytes, (char *) pbufT); - } - - if (pbufT != tmpbuf) - xfree (pbufT); -} - -/** - * - * \param size size in bytes - */ -void -CopySwap16Write(ClientPtr pClient, int size, short *pbuf) -{ - int bufsize = size; - short *pbufT; - short *from, *to, *fromLast, *toLast; - short tmpbuf[2]; - - /* Allocate as big a buffer as we can... */ - while (!(pbufT = xalloc(bufsize))) - { - bufsize >>= 1; - if (bufsize == 4) - { - pbufT = tmpbuf; - break; - } - } - - /* convert lengths from # of bytes to # of shorts */ - size >>= 1; - bufsize >>= 1; - - from = pbuf; - fromLast = from + size; - while (from < fromLast) { - int nbytes; - to = pbufT; - toLast = to + min (bufsize, fromLast - from); - nbytes = (toLast - to) << 1; - while (to < toLast) { - /* can't write "cpswaps(*from++, *to++)" because cpswaps is a macro - that evaulates its args more than once */ - cpswaps(*from, *to); - from++; - to++; - } - (void)WriteToClient (pClient, nbytes, (char *) pbufT); - } - - if (pbufT != tmpbuf) - xfree (pbufT); -} - - -/* Extra-small reply */ -void -SGenericReply(ClientPtr pClient, int size, xGenericReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -/* Extra-large reply */ -void -SGetWindowAttributesReply(ClientPtr pClient, int size, - xGetWindowAttributesReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->length, n); - swapl(&pRep->visualID, n); - swaps(&pRep->class, n); - swapl(&pRep->backingBitPlanes, n); - swapl(&pRep->backingPixel, n); - swapl(&pRep->colormap, n); - swapl(&pRep->allEventMasks, n); - swapl(&pRep->yourEventMask, n); - swaps(&pRep->doNotPropagateMask, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SGetGeometryReply(ClientPtr pClient, int size, xGetGeometryReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->root, n); - swaps(&pRep->x, n); - swaps(&pRep->y, n); - swaps(&pRep->width, n); - swaps(&pRep->height, n); - swaps(&pRep->borderWidth, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SQueryTreeReply(ClientPtr pClient, int size, xQueryTreeReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->length, n); - swapl(&pRep->root, n); - swapl(&pRep->parent, n); - swaps(&pRep->nChildren, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SInternAtomReply(ClientPtr pClient, int size, xInternAtomReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->atom, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SGetAtomNameReply(ClientPtr pClient, int size, xGetAtomNameReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->length, n); - swaps(&pRep->nameLength, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - - -void -SGetPropertyReply(ClientPtr pClient, int size, xGetPropertyReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->length, n); - swapl(&pRep->propertyType, n); - swapl(&pRep->bytesAfter, n); - swapl(&pRep->nItems, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SListPropertiesReply(ClientPtr pClient, int size, xListPropertiesReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->length, n); - swaps(&pRep->nProperties, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SGetSelectionOwnerReply(ClientPtr pClient, int size, - xGetSelectionOwnerReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->owner, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - - -void -SQueryPointerReply(ClientPtr pClient, int size, xQueryPointerReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->root, n); - swapl(&pRep->child, n); - swaps(&pRep->rootX, n); - swaps(&pRep->rootY, n); - swaps(&pRep->winX, n); - swaps(&pRep->winY, n); - swaps(&pRep->mask, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -static void -SwapTimecoord(xTimecoord* pCoord) -{ - char n; - - swapl(&pCoord->time, n); - swaps(&pCoord->x, n); - swaps(&pCoord->y, n); -} - -void -SwapTimeCoordWrite(ClientPtr pClient, int size, xTimecoord *pRep) -{ - int i, n; - xTimecoord *pRepT; - - n = size / sizeof(xTimecoord); - pRepT = pRep; - for(i = 0; i < n; i++) - { - SwapTimecoord(pRepT); - pRepT++; - } - (void)WriteToClient(pClient, size, (char *) pRep); - -} -void -SGetMotionEventsReply(ClientPtr pClient, int size, xGetMotionEventsReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->length, n); - swapl(&pRep->nEvents, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -STranslateCoordsReply(ClientPtr pClient, int size, xTranslateCoordsReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->child, n); - swaps(&pRep->dstX, n); - swaps(&pRep->dstY, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SGetInputFocusReply(ClientPtr pClient, int size, xGetInputFocusReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->focus, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -/* extra long reply */ -void -SQueryKeymapReply(ClientPtr pClient, int size, xQueryKeymapReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->length, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -static void -SwapCharInfo(xCharInfo *pInfo) -{ - char n; - - swaps(&pInfo->leftSideBearing, n); - swaps(&pInfo->rightSideBearing, n); - swaps(&pInfo->characterWidth, n); - swaps(&pInfo->ascent, n); - swaps(&pInfo->descent, n); - swaps(&pInfo->attributes, n); -} - -static void -SwapFontInfo(xQueryFontReply *pr) -{ - char n; - - swaps(&pr->minCharOrByte2, n); - swaps(&pr->maxCharOrByte2, n); - swaps(&pr->defaultChar, n); - swaps(&pr->nFontProps, n); - swaps(&pr->fontAscent, n); - swaps(&pr->fontDescent, n); - SwapCharInfo( &pr->minBounds); - SwapCharInfo( &pr->maxBounds); - swapl(&pr->nCharInfos, n); -} - -static void -SwapFont(xQueryFontReply *pr, Bool hasGlyphs) -{ - unsigned i; - xCharInfo * pxci; - unsigned nchars, nprops; - char *pby; - char n; - - swaps(&pr->sequenceNumber, n); - swapl(&pr->length, n); - nchars = pr->nCharInfos; - nprops = pr->nFontProps; - SwapFontInfo(pr); - pby = (char *) &pr[1]; - /* Font properties are an atom and either an int32 or a CARD32, so - * they are always 2 4 byte values */ - for(i = 0; i < nprops; i++) - { - swapl(pby, n); - pby += 4; - swapl(pby, n); - pby += 4; - } - if (hasGlyphs) - { - pxci = (xCharInfo *)pby; - for(i = 0; i< nchars; i++, pxci++) - SwapCharInfo(pxci); - } -} - -void -SQueryFontReply(ClientPtr pClient, int size, xQueryFontReply *pRep) -{ - SwapFont(pRep, TRUE); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SQueryTextExtentsReply(ClientPtr pClient, int size, xQueryTextExtentsReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swaps(&pRep->fontAscent, n); - swaps(&pRep->fontDescent, n); - swaps(&pRep->overallAscent, n); - swaps(&pRep->overallDescent, n); - swapl(&pRep->overallWidth, n); - swapl(&pRep->overallLeft, n); - swapl(&pRep->overallRight, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SListFontsReply(ClientPtr pClient, int size, xListFontsReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->length, n); - swaps(&pRep->nFonts, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SListFontsWithInfoReply(ClientPtr pClient, int size, - xListFontsWithInfoReply *pRep) -{ - SwapFont((xQueryFontReply *)pRep, FALSE); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SGetFontPathReply(ClientPtr pClient, int size, xGetFontPathReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->length, n); - swaps(&pRep->nPaths, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SGetImageReply(ClientPtr pClient, int size, xGetImageReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->length, n); - swapl(&pRep->visual, n); - (void)WriteToClient(pClient, size, (char *) pRep); - /* Fortunately, image doesn't need swapping */ -} - -void -SListInstalledColormapsReply(ClientPtr pClient, int size, - xListInstalledColormapsReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->length, n); - swaps(&pRep->nColormaps, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SAllocColorReply(ClientPtr pClient, int size, xAllocColorReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swaps(&pRep->red, n); - swaps(&pRep->green, n); - swaps(&pRep->blue, n); - swapl(&pRep->pixel, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SAllocNamedColorReply(ClientPtr pClient, int size, xAllocNamedColorReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->pixel, n); - swaps(&pRep->exactRed, n); - swaps(&pRep->exactGreen, n); - swaps(&pRep->exactBlue, n); - swaps(&pRep->screenRed, n); - swaps(&pRep->screenGreen, n); - swaps(&pRep->screenBlue, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SAllocColorCellsReply(ClientPtr pClient, int size, xAllocColorCellsReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->length, n); - swaps(&pRep->nPixels, n); - swaps(&pRep->nMasks, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - - -void -SAllocColorPlanesReply(ClientPtr pClient, int size, xAllocColorPlanesReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->length, n); - swaps(&pRep->nPixels, n); - swapl(&pRep->redMask, n); - swapl(&pRep->greenMask, n); - swapl(&pRep->blueMask, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -static void -SwapRGB(xrgb *prgb) -{ - char n; - - swaps(&prgb->red, n); - swaps(&prgb->green, n); - swaps(&prgb->blue, n); -} - -void -SQColorsExtend(ClientPtr pClient, int size, xrgb *prgb) -{ - int i, n; - xrgb *prgbT; - - n = size / sizeof(xrgb); - prgbT = prgb; - for(i = 0; i < n; i++) - { - SwapRGB(prgbT); - prgbT++; - } - (void)WriteToClient(pClient, size, (char *) prgb); -} - -void -SQueryColorsReply(ClientPtr pClient, int size, xQueryColorsReply* pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->length, n); - swaps(&pRep->nColors, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SLookupColorReply(ClientPtr pClient, int size, xLookupColorReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swaps(&pRep->exactRed, n); - swaps(&pRep->exactGreen, n); - swaps(&pRep->exactBlue, n); - swaps(&pRep->screenRed, n); - swaps(&pRep->screenGreen, n); - swaps(&pRep->screenBlue, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SQueryBestSizeReply(ClientPtr pClient, int size, xQueryBestSizeReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swaps(&pRep->width, n); - swaps(&pRep->height, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SListExtensionsReply(ClientPtr pClient, int size, xListExtensionsReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->length, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SGetKeyboardMappingReply(ClientPtr pClient, int size, - xGetKeyboardMappingReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->length, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SGetPointerMappingReply(ClientPtr pClient, int size, - xGetPointerMappingReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->length, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SGetModifierMappingReply(ClientPtr pClient, int size, - xGetModifierMappingReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->length, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SGetKeyboardControlReply(ClientPtr pClient, int size, xGetKeyboardControlReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->length, n); - swapl(&pRep->ledMask, n); - swaps(&pRep->bellPitch, n); - swaps(&pRep->bellDuration, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SGetPointerControlReply(ClientPtr pClient, int size, xGetPointerControlReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swaps(&pRep->accelNumerator, n); - swaps(&pRep->accelDenominator, n); - swaps(&pRep->threshold, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SGetScreenSaverReply(ClientPtr pClient, int size, xGetScreenSaverReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swaps(&pRep->timeout, n); - swaps(&pRep->interval, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - -void -SLHostsExtend(ClientPtr pClient, int size, char *buf) -{ - char *bufT = buf; - char *endbuf = buf + size; - while (bufT < endbuf) { - xHostEntry *host = (xHostEntry *) bufT; - int len = host->length; - char n; - swaps (&host->length, n); - bufT += sizeof (xHostEntry) + pad_to_int32(len); - } - (void)WriteToClient (pClient, size, buf); -} - -void -SListHostsReply(ClientPtr pClient, int size, xListHostsReply *pRep) -{ - char n; - - swaps(&pRep->sequenceNumber, n); - swapl(&pRep->length, n); - swaps(&pRep->nHosts, n); - (void)WriteToClient(pClient, size, (char *) pRep); -} - - - -void -SErrorEvent(xError *from, xError *to) -{ - to->type = X_Error; - to->errorCode = from->errorCode; - cpswaps(from->sequenceNumber, to->sequenceNumber); - cpswapl(from->resourceID, to->resourceID); - cpswaps(from->minorCode, to->minorCode); - to->majorCode = from->majorCode; -} - -void -SKeyButtonPtrEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - to->u.u.detail = from->u.u.detail; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.keyButtonPointer.time, - to->u.keyButtonPointer.time); - cpswapl(from->u.keyButtonPointer.root, - to->u.keyButtonPointer.root); - cpswapl(from->u.keyButtonPointer.event, - to->u.keyButtonPointer.event); - cpswapl(from->u.keyButtonPointer.child, - to->u.keyButtonPointer.child); - cpswaps(from->u.keyButtonPointer.rootX, - to->u.keyButtonPointer.rootX); - cpswaps(from->u.keyButtonPointer.rootY, - to->u.keyButtonPointer.rootY); - cpswaps(from->u.keyButtonPointer.eventX, - to->u.keyButtonPointer.eventX); - cpswaps(from->u.keyButtonPointer.eventY, - to->u.keyButtonPointer.eventY); - cpswaps(from->u.keyButtonPointer.state, - to->u.keyButtonPointer.state); - to->u.keyButtonPointer.sameScreen = - from->u.keyButtonPointer.sameScreen; -} - -void -SEnterLeaveEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - to->u.u.detail = from->u.u.detail; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.enterLeave.time, to->u.enterLeave.time); - cpswapl(from->u.enterLeave.root, to->u.enterLeave.root); - cpswapl(from->u.enterLeave.event, to->u.enterLeave.event); - cpswapl(from->u.enterLeave.child, to->u.enterLeave.child); - cpswaps(from->u.enterLeave.rootX, to->u.enterLeave.rootX); - cpswaps(from->u.enterLeave.rootY, to->u.enterLeave.rootY); - cpswaps(from->u.enterLeave.eventX, to->u.enterLeave.eventX); - cpswaps(from->u.enterLeave.eventY, to->u.enterLeave.eventY); - cpswaps(from->u.enterLeave.state, to->u.enterLeave.state); - to->u.enterLeave.mode = from->u.enterLeave.mode; - to->u.enterLeave.flags = from->u.enterLeave.flags; -} - -void -SFocusEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - to->u.u.detail = from->u.u.detail; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.focus.window, to->u.focus.window); - to->u.focus.mode = from->u.focus.mode; -} - -void -SExposeEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.expose.window, to->u.expose.window); - cpswaps(from->u.expose.x, to->u.expose.x); - cpswaps(from->u.expose.y, to->u.expose.y); - cpswaps(from->u.expose.width, to->u.expose.width); - cpswaps(from->u.expose.height, to->u.expose.height); - cpswaps(from->u.expose.count, to->u.expose.count); -} - -void -SGraphicsExposureEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.graphicsExposure.drawable, - to->u.graphicsExposure.drawable); - cpswaps(from->u.graphicsExposure.x, - to->u.graphicsExposure.x); - cpswaps(from->u.graphicsExposure.y, - to->u.graphicsExposure.y); - cpswaps(from->u.graphicsExposure.width, - to->u.graphicsExposure.width); - cpswaps(from->u.graphicsExposure.height, - to->u.graphicsExposure.height); - cpswaps(from->u.graphicsExposure.minorEvent, - to->u.graphicsExposure.minorEvent); - cpswaps(from->u.graphicsExposure.count, - to->u.graphicsExposure.count); - to->u.graphicsExposure.majorEvent = - from->u.graphicsExposure.majorEvent; -} - -void -SNoExposureEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.noExposure.drawable, to->u.noExposure.drawable); - cpswaps(from->u.noExposure.minorEvent, to->u.noExposure.minorEvent); - to->u.noExposure.majorEvent = from->u.noExposure.majorEvent; -} - -void -SVisibilityEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.visibility.window, to->u.visibility.window); - to->u.visibility.state = from->u.visibility.state; -} - -void -SCreateNotifyEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.createNotify.window, to->u.createNotify.window); - cpswapl(from->u.createNotify.parent, to->u.createNotify.parent); - cpswaps(from->u.createNotify.x, to->u.createNotify.x); - cpswaps(from->u.createNotify.y, to->u.createNotify.y); - cpswaps(from->u.createNotify.width, to->u.createNotify.width); - cpswaps(from->u.createNotify.height, to->u.createNotify.height); - cpswaps(from->u.createNotify.borderWidth, - to->u.createNotify.borderWidth); - to->u.createNotify.override = from->u.createNotify.override; -} - -void -SDestroyNotifyEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.destroyNotify.event, to->u.destroyNotify.event); - cpswapl(from->u.destroyNotify.window, to->u.destroyNotify.window); -} - -void -SUnmapNotifyEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.unmapNotify.event, to->u.unmapNotify.event); - cpswapl(from->u.unmapNotify.window, to->u.unmapNotify.window); - to->u.unmapNotify.fromConfigure = from->u.unmapNotify.fromConfigure; -} - -void -SMapNotifyEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.mapNotify.event, to->u.mapNotify.event); - cpswapl(from->u.mapNotify.window, to->u.mapNotify.window); - to->u.mapNotify.override = from->u.mapNotify.override; -} - -void -SMapRequestEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.mapRequest.parent, to->u.mapRequest.parent); - cpswapl(from->u.mapRequest.window, to->u.mapRequest.window); -} - -void -SReparentEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.reparent.event, to->u.reparent.event); - cpswapl(from->u.reparent.window, to->u.reparent.window); - cpswapl(from->u.reparent.parent, to->u.reparent.parent); - cpswaps(from->u.reparent.x, to->u.reparent.x); - cpswaps(from->u.reparent.y, to->u.reparent.y); - to->u.reparent.override = from->u.reparent.override; -} - -void -SConfigureNotifyEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.configureNotify.event, - to->u.configureNotify.event); - cpswapl(from->u.configureNotify.window, - to->u.configureNotify.window); - cpswapl(from->u.configureNotify.aboveSibling, - to->u.configureNotify.aboveSibling); - cpswaps(from->u.configureNotify.x, to->u.configureNotify.x); - cpswaps(from->u.configureNotify.y, to->u.configureNotify.y); - cpswaps(from->u.configureNotify.width, to->u.configureNotify.width); - cpswaps(from->u.configureNotify.height, - to->u.configureNotify.height); - cpswaps(from->u.configureNotify.borderWidth, - to->u.configureNotify.borderWidth); - to->u.configureNotify.override = from->u.configureNotify.override; -} - -void -SConfigureRequestEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - to->u.u.detail = from->u.u.detail; /* actually stack-mode */ - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.configureRequest.parent, - to->u.configureRequest.parent); - cpswapl(from->u.configureRequest.window, - to->u.configureRequest.window); - cpswapl(from->u.configureRequest.sibling, - to->u.configureRequest.sibling); - cpswaps(from->u.configureRequest.x, to->u.configureRequest.x); - cpswaps(from->u.configureRequest.y, to->u.configureRequest.y); - cpswaps(from->u.configureRequest.width, - to->u.configureRequest.width); - cpswaps(from->u.configureRequest.height, - to->u.configureRequest.height); - cpswaps(from->u.configureRequest.borderWidth, - to->u.configureRequest.borderWidth); - cpswaps(from->u.configureRequest.valueMask, - to->u.configureRequest.valueMask); -} - - -void -SGravityEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.gravity.event, to->u.gravity.event); - cpswapl(from->u.gravity.window, to->u.gravity.window); - cpswaps(from->u.gravity.x, to->u.gravity.x); - cpswaps(from->u.gravity.y, to->u.gravity.y); -} - -void -SResizeRequestEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.resizeRequest.window, to->u.resizeRequest.window); - cpswaps(from->u.resizeRequest.width, to->u.resizeRequest.width); - cpswaps(from->u.resizeRequest.height, to->u.resizeRequest.height); -} - -void -SCirculateEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - to->u.u.detail = from->u.u.detail; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.circulate.event, to->u.circulate.event); - cpswapl(from->u.circulate.window, to->u.circulate.window); - cpswapl(from->u.circulate.parent, to->u.circulate.parent); - to->u.circulate.place = from->u.circulate.place; -} - -void -SPropertyEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.property.window, to->u.property.window); - cpswapl(from->u.property.atom, to->u.property.atom); - cpswapl(from->u.property.time, to->u.property.time); - to->u.property.state = from->u.property.state; -} - -void -SSelectionClearEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.selectionClear.time, to->u.selectionClear.time); - cpswapl(from->u.selectionClear.window, to->u.selectionClear.window); - cpswapl(from->u.selectionClear.atom, to->u.selectionClear.atom); -} - -void -SSelectionRequestEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.selectionRequest.time, to->u.selectionRequest.time); - cpswapl(from->u.selectionRequest.owner, - to->u.selectionRequest.owner); - cpswapl(from->u.selectionRequest.requestor, - to->u.selectionRequest.requestor); - cpswapl(from->u.selectionRequest.selection, - to->u.selectionRequest.selection); - cpswapl(from->u.selectionRequest.target, - to->u.selectionRequest.target); - cpswapl(from->u.selectionRequest.property, - to->u.selectionRequest.property); -} - -void -SSelectionNotifyEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.selectionNotify.time, to->u.selectionNotify.time); - cpswapl(from->u.selectionNotify.requestor, - to->u.selectionNotify.requestor); - cpswapl(from->u.selectionNotify.selection, - to->u.selectionNotify.selection); - cpswapl(from->u.selectionNotify.target, - to->u.selectionNotify.target); - cpswapl(from->u.selectionNotify.property, - to->u.selectionNotify.property); -} - -void -SColormapEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.colormap.window, to->u.colormap.window); - cpswapl(from->u.colormap.colormap, to->u.colormap.colormap); - to->u.colormap.new = from->u.colormap.new; - to->u.colormap.state = from->u.colormap.state; -} - -void -SMappingEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - to->u.mappingNotify.request = from->u.mappingNotify.request; - to->u.mappingNotify.firstKeyCode = - from->u.mappingNotify.firstKeyCode; - to->u.mappingNotify.count = from->u.mappingNotify.count; -} - -void -SClientMessageEvent(xEvent *from, xEvent *to) -{ - to->u.u.type = from->u.u.type; - to->u.u.detail = from->u.u.detail; /* actually format */ - cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber); - cpswapl(from->u.clientMessage.window, to->u.clientMessage.window); - cpswapl(from->u.clientMessage.u.l.type, - to->u.clientMessage.u.l.type); - switch (from->u.u.detail) { - case 8: - memmove(to->u.clientMessage.u.b.bytes, - from->u.clientMessage.u.b.bytes,20); - break; - case 16: - cpswaps(from->u.clientMessage.u.s.shorts0, - to->u.clientMessage.u.s.shorts0); - cpswaps(from->u.clientMessage.u.s.shorts1, - to->u.clientMessage.u.s.shorts1); - cpswaps(from->u.clientMessage.u.s.shorts2, - to->u.clientMessage.u.s.shorts2); - cpswaps(from->u.clientMessage.u.s.shorts3, - to->u.clientMessage.u.s.shorts3); - cpswaps(from->u.clientMessage.u.s.shorts4, - to->u.clientMessage.u.s.shorts4); - cpswaps(from->u.clientMessage.u.s.shorts5, - to->u.clientMessage.u.s.shorts5); - cpswaps(from->u.clientMessage.u.s.shorts6, - to->u.clientMessage.u.s.shorts6); - cpswaps(from->u.clientMessage.u.s.shorts7, - to->u.clientMessage.u.s.shorts7); - cpswaps(from->u.clientMessage.u.s.shorts8, - to->u.clientMessage.u.s.shorts8); - cpswaps(from->u.clientMessage.u.s.shorts9, - to->u.clientMessage.u.s.shorts9); - break; - case 32: - cpswapl(from->u.clientMessage.u.l.longs0, - to->u.clientMessage.u.l.longs0); - cpswapl(from->u.clientMessage.u.l.longs1, - to->u.clientMessage.u.l.longs1); - cpswapl(from->u.clientMessage.u.l.longs2, - to->u.clientMessage.u.l.longs2); - cpswapl(from->u.clientMessage.u.l.longs3, - to->u.clientMessage.u.l.longs3); - cpswapl(from->u.clientMessage.u.l.longs4, - to->u.clientMessage.u.l.longs4); - break; - } -} - -void -SKeymapNotifyEvent(xEvent *from, xEvent *to) -{ - /* Keymap notify events are special; they have no - sequence number field, and contain entirely 8-bit data */ - *to = *from; -} - -static void -SwapConnSetup(xConnSetup *pConnSetup, xConnSetup *pConnSetupT) -{ - cpswapl(pConnSetup->release, pConnSetupT->release); - cpswapl(pConnSetup->ridBase, pConnSetupT->ridBase); - cpswapl(pConnSetup->ridMask, pConnSetupT->ridMask); - cpswapl(pConnSetup->motionBufferSize, pConnSetupT->motionBufferSize); - cpswaps(pConnSetup->nbytesVendor, pConnSetupT->nbytesVendor); - cpswaps(pConnSetup->maxRequestSize, pConnSetupT->maxRequestSize); - pConnSetupT->minKeyCode = pConnSetup->minKeyCode; - pConnSetupT->maxKeyCode = pConnSetup->maxKeyCode; - pConnSetupT->numRoots = pConnSetup->numRoots; - pConnSetupT->numFormats = pConnSetup->numFormats; - pConnSetupT->imageByteOrder = pConnSetup->imageByteOrder; - pConnSetupT->bitmapBitOrder = pConnSetup->bitmapBitOrder; - pConnSetupT->bitmapScanlineUnit = pConnSetup->bitmapScanlineUnit; - pConnSetupT->bitmapScanlinePad = pConnSetup->bitmapScanlinePad; -} - -static void -SwapWinRoot(xWindowRoot *pRoot, xWindowRoot *pRootT) -{ - cpswapl(pRoot->windowId, pRootT->windowId); - cpswapl(pRoot->defaultColormap, pRootT->defaultColormap); - cpswapl(pRoot->whitePixel, pRootT->whitePixel); - cpswapl(pRoot->blackPixel, pRootT->blackPixel); - cpswapl(pRoot->currentInputMask, pRootT->currentInputMask); - cpswaps(pRoot->pixWidth, pRootT->pixWidth); - cpswaps(pRoot->pixHeight, pRootT->pixHeight); - cpswaps(pRoot->mmWidth, pRootT->mmWidth); - cpswaps(pRoot->mmHeight, pRootT->mmHeight); - cpswaps(pRoot->minInstalledMaps, pRootT->minInstalledMaps); - cpswaps(pRoot->maxInstalledMaps, pRootT->maxInstalledMaps); - cpswapl(pRoot->rootVisualID, pRootT->rootVisualID); - pRootT->backingStore = pRoot->backingStore; - pRootT->saveUnders = pRoot->saveUnders; - pRootT->rootDepth = pRoot->rootDepth; - pRootT->nDepths = pRoot->nDepths; -} - -static void -SwapVisual(xVisualType *pVis, xVisualType *pVisT) -{ - cpswapl(pVis->visualID, pVisT->visualID); - pVisT->class = pVis->class; - pVisT->bitsPerRGB = pVis->bitsPerRGB; - cpswaps(pVis->colormapEntries, pVisT->colormapEntries); - cpswapl(pVis->redMask, pVisT->redMask); - cpswapl(pVis->greenMask, pVisT->greenMask); - cpswapl(pVis->blueMask, pVisT->blueMask); -} - -void -SwapConnSetupInfo( - char *pInfo, - char *pInfoT -) -{ - int i, j, k; - xConnSetup *pConnSetup = (xConnSetup *)pInfo; - xDepth *depth; - xWindowRoot *root; - - SwapConnSetup(pConnSetup, (xConnSetup *)pInfoT); - pInfo += sizeof(xConnSetup); - pInfoT += sizeof(xConnSetup); - - /* Copy the vendor string */ - i = pad_to_int32(pConnSetup->nbytesVendor); - memcpy(pInfoT, pInfo, i); - pInfo += i; - pInfoT += i; - - /* The Pixmap formats don't need to be swapped, just copied. */ - i = sizeof(xPixmapFormat) * pConnSetup->numFormats; - memcpy(pInfoT, pInfo, i); - pInfo += i; - pInfoT += i; - - for(i = 0; i < pConnSetup->numRoots; i++) - { - root = (xWindowRoot*)pInfo; - SwapWinRoot(root, (xWindowRoot *)pInfoT); - pInfo += sizeof(xWindowRoot); - pInfoT += sizeof(xWindowRoot); - - for(j = 0; j < root->nDepths; j++) - { - depth = (xDepth*)pInfo; - ((xDepth *)pInfoT)->depth = depth->depth; - cpswaps(depth->nVisuals, ((xDepth *)pInfoT)->nVisuals); - pInfo += sizeof(xDepth); - pInfoT += sizeof(xDepth); - for(k = 0; k < depth->nVisuals; k++) - { - SwapVisual((xVisualType *)pInfo, (xVisualType *)pInfoT); - pInfo += sizeof(xVisualType); - pInfoT += sizeof(xVisualType); - } - } - } -} - -void -WriteSConnectionInfo(ClientPtr pClient, unsigned long size, char *pInfo) -{ - char *pInfoTBase; - - pInfoTBase = xalloc(size); - if (!pInfoTBase) - { - pClient->noClientException = -1; - return; - } - SwapConnSetupInfo(pInfo, pInfoTBase); - (void)WriteToClient(pClient, (int)size, (char *) pInfoTBase); - xfree(pInfoTBase); -} - -void -SwapConnSetupPrefix(xConnSetupPrefix *pcspFrom, xConnSetupPrefix *pcspTo) -{ - pcspTo->success = pcspFrom->success; - pcspTo->lengthReason = pcspFrom->lengthReason; - cpswaps(pcspFrom->majorVersion, pcspTo->majorVersion); - cpswaps(pcspFrom->minorVersion, pcspTo->minorVersion); - cpswaps(pcspFrom->length, pcspTo->length); -} - -void -WriteSConnSetupPrefix(ClientPtr pClient, xConnSetupPrefix *pcsp) -{ - xConnSetupPrefix cspT; - - SwapConnSetupPrefix(pcsp, &cspT); - (void)WriteToClient(pClient, sizeof(cspT), (char *) &cspT); -} - -/* - * Dummy entry for ReplySwapVector[] - */ - -void -ReplyNotSwappd( - ClientPtr pClient , - int size , - void * pbuf - ) -{ - FatalError("Not implemented"); -} - +/************************************************************
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+********************************************************/
+
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "dixstruct.h"
+#include <X11/fonts/fontstruct.h>
+#include "scrnintstr.h"
+#include "swaprep.h"
+#include "globals.h"
+
+static void SwapFontInfo(xQueryFontReply *pr);
+
+static void SwapCharInfo(xCharInfo *pInfo);
+
+static void SwapFont(xQueryFontReply *pr, Bool hasGlyphs);
+
+/**
+ * Thanks to Jack Palevich for testing and subsequently rewriting all this
+ *
+ * \param size size in bytes
+ */
+void
+Swap32Write(ClientPtr pClient, int size, CARD32 *pbuf)
+{
+ int i;
+ char n;
+
+ size >>= 2;
+ for(i = 0; i < size; i++)
+ /* brackets are mandatory here, because "swapl" macro expands
+ to several statements */
+ {
+ swapl(&pbuf[i], n);
+ }
+ (void)WriteToClient(pClient, size << 2, (char *) pbuf);
+}
+
+/**
+ *
+ * \param size size in bytes
+ */
+void
+CopySwap32Write(ClientPtr pClient, int size, CARD32 *pbuf)
+{
+ int bufsize = size;
+ CARD32 *pbufT;
+ CARD32 *from, *to, *fromLast, *toLast;
+ CARD32 tmpbuf[1];
+
+ /* Allocate as big a buffer as we can... */
+ while (!(pbufT = malloc(bufsize)))
+ {
+ bufsize >>= 1;
+ if (bufsize == 4)
+ {
+ pbufT = tmpbuf;
+ break;
+ }
+ }
+
+ /* convert lengths from # of bytes to # of longs */
+ size >>= 2;
+ bufsize >>= 2;
+
+ from = pbuf;
+ fromLast = from + size;
+ while (from < fromLast) {
+ int nbytes;
+ to = pbufT;
+ toLast = to + min (bufsize, fromLast - from);
+ nbytes = (toLast - to) << 2;
+ while (to < toLast) {
+ /* can't write "cpswapl(*from++, *to++)" because cpswapl is a macro
+ that evaulates its args more than once */
+ cpswapl(*from, *to);
+ from++;
+ to++;
+ }
+ (void)WriteToClient (pClient, nbytes, (char *) pbufT);
+ }
+
+ if (pbufT != tmpbuf)
+ free(pbufT);
+}
+
+/**
+ *
+ * \param size size in bytes
+ */
+void
+CopySwap16Write(ClientPtr pClient, int size, short *pbuf)
+{
+ int bufsize = size;
+ short *pbufT;
+ short *from, *to, *fromLast, *toLast;
+ short tmpbuf[2];
+
+ /* Allocate as big a buffer as we can... */
+ while (!(pbufT = malloc(bufsize)))
+ {
+ bufsize >>= 1;
+ if (bufsize == 4)
+ {
+ pbufT = tmpbuf;
+ break;
+ }
+ }
+
+ /* convert lengths from # of bytes to # of shorts */
+ size >>= 1;
+ bufsize >>= 1;
+
+ from = pbuf;
+ fromLast = from + size;
+ while (from < fromLast) {
+ int nbytes;
+ to = pbufT;
+ toLast = to + min (bufsize, fromLast - from);
+ nbytes = (toLast - to) << 1;
+ while (to < toLast) {
+ /* can't write "cpswaps(*from++, *to++)" because cpswaps is a macro
+ that evaulates its args more than once */
+ cpswaps(*from, *to);
+ from++;
+ to++;
+ }
+ (void)WriteToClient (pClient, nbytes, (char *) pbufT);
+ }
+
+ if (pbufT != tmpbuf)
+ free(pbufT);
+}
+
+
+/* Extra-small reply */
+void
+SGenericReply(ClientPtr pClient, int size, xGenericReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+/* Extra-large reply */
+void
+SGetWindowAttributesReply(ClientPtr pClient, int size,
+ xGetWindowAttributesReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->length, n);
+ swapl(&pRep->visualID, n);
+ swaps(&pRep->class, n);
+ swapl(&pRep->backingBitPlanes, n);
+ swapl(&pRep->backingPixel, n);
+ swapl(&pRep->colormap, n);
+ swapl(&pRep->allEventMasks, n);
+ swapl(&pRep->yourEventMask, n);
+ swaps(&pRep->doNotPropagateMask, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SGetGeometryReply(ClientPtr pClient, int size, xGetGeometryReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->root, n);
+ swaps(&pRep->x, n);
+ swaps(&pRep->y, n);
+ swaps(&pRep->width, n);
+ swaps(&pRep->height, n);
+ swaps(&pRep->borderWidth, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SQueryTreeReply(ClientPtr pClient, int size, xQueryTreeReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->length, n);
+ swapl(&pRep->root, n);
+ swapl(&pRep->parent, n);
+ swaps(&pRep->nChildren, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SInternAtomReply(ClientPtr pClient, int size, xInternAtomReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->atom, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SGetAtomNameReply(ClientPtr pClient, int size, xGetAtomNameReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->length, n);
+ swaps(&pRep->nameLength, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+
+void
+SGetPropertyReply(ClientPtr pClient, int size, xGetPropertyReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->length, n);
+ swapl(&pRep->propertyType, n);
+ swapl(&pRep->bytesAfter, n);
+ swapl(&pRep->nItems, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SListPropertiesReply(ClientPtr pClient, int size, xListPropertiesReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->length, n);
+ swaps(&pRep->nProperties, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SGetSelectionOwnerReply(ClientPtr pClient, int size,
+ xGetSelectionOwnerReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->owner, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+
+void
+SQueryPointerReply(ClientPtr pClient, int size, xQueryPointerReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->root, n);
+ swapl(&pRep->child, n);
+ swaps(&pRep->rootX, n);
+ swaps(&pRep->rootY, n);
+ swaps(&pRep->winX, n);
+ swaps(&pRep->winY, n);
+ swaps(&pRep->mask, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+static void
+SwapTimecoord(xTimecoord* pCoord)
+{
+ char n;
+
+ swapl(&pCoord->time, n);
+ swaps(&pCoord->x, n);
+ swaps(&pCoord->y, n);
+}
+
+void
+SwapTimeCoordWrite(ClientPtr pClient, int size, xTimecoord *pRep)
+{
+ int i, n;
+ xTimecoord *pRepT;
+
+ n = size / sizeof(xTimecoord);
+ pRepT = pRep;
+ for(i = 0; i < n; i++)
+ {
+ SwapTimecoord(pRepT);
+ pRepT++;
+ }
+ (void)WriteToClient(pClient, size, (char *) pRep);
+
+}
+void
+SGetMotionEventsReply(ClientPtr pClient, int size, xGetMotionEventsReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->length, n);
+ swapl(&pRep->nEvents, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+STranslateCoordsReply(ClientPtr pClient, int size, xTranslateCoordsReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->child, n);
+ swaps(&pRep->dstX, n);
+ swaps(&pRep->dstY, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SGetInputFocusReply(ClientPtr pClient, int size, xGetInputFocusReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->focus, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+/* extra long reply */
+void
+SQueryKeymapReply(ClientPtr pClient, int size, xQueryKeymapReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->length, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+static void
+SwapCharInfo(xCharInfo *pInfo)
+{
+ char n;
+
+ swaps(&pInfo->leftSideBearing, n);
+ swaps(&pInfo->rightSideBearing, n);
+ swaps(&pInfo->characterWidth, n);
+ swaps(&pInfo->ascent, n);
+ swaps(&pInfo->descent, n);
+ swaps(&pInfo->attributes, n);
+}
+
+static void
+SwapFontInfo(xQueryFontReply *pr)
+{
+ char n;
+
+ swaps(&pr->minCharOrByte2, n);
+ swaps(&pr->maxCharOrByte2, n);
+ swaps(&pr->defaultChar, n);
+ swaps(&pr->nFontProps, n);
+ swaps(&pr->fontAscent, n);
+ swaps(&pr->fontDescent, n);
+ SwapCharInfo( &pr->minBounds);
+ SwapCharInfo( &pr->maxBounds);
+ swapl(&pr->nCharInfos, n);
+}
+
+static void
+SwapFont(xQueryFontReply *pr, Bool hasGlyphs)
+{
+ unsigned i;
+ xCharInfo * pxci;
+ unsigned nchars, nprops;
+ char *pby;
+ char n;
+
+ swaps(&pr->sequenceNumber, n);
+ swapl(&pr->length, n);
+ nchars = pr->nCharInfos;
+ nprops = pr->nFontProps;
+ SwapFontInfo(pr);
+ pby = (char *) &pr[1];
+ /* Font properties are an atom and either an int32 or a CARD32, so
+ * they are always 2 4 byte values */
+ for(i = 0; i < nprops; i++)
+ {
+ swapl(pby, n);
+ pby += 4;
+ swapl(pby, n);
+ pby += 4;
+ }
+ if (hasGlyphs)
+ {
+ pxci = (xCharInfo *)pby;
+ for(i = 0; i< nchars; i++, pxci++)
+ SwapCharInfo(pxci);
+ }
+}
+
+void
+SQueryFontReply(ClientPtr pClient, int size, xQueryFontReply *pRep)
+{
+ SwapFont(pRep, TRUE);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SQueryTextExtentsReply(ClientPtr pClient, int size, xQueryTextExtentsReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swaps(&pRep->fontAscent, n);
+ swaps(&pRep->fontDescent, n);
+ swaps(&pRep->overallAscent, n);
+ swaps(&pRep->overallDescent, n);
+ swapl(&pRep->overallWidth, n);
+ swapl(&pRep->overallLeft, n);
+ swapl(&pRep->overallRight, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SListFontsReply(ClientPtr pClient, int size, xListFontsReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->length, n);
+ swaps(&pRep->nFonts, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SListFontsWithInfoReply(ClientPtr pClient, int size,
+ xListFontsWithInfoReply *pRep)
+{
+ SwapFont((xQueryFontReply *)pRep, FALSE);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SGetFontPathReply(ClientPtr pClient, int size, xGetFontPathReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->length, n);
+ swaps(&pRep->nPaths, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SGetImageReply(ClientPtr pClient, int size, xGetImageReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->length, n);
+ swapl(&pRep->visual, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+ /* Fortunately, image doesn't need swapping */
+}
+
+void
+SListInstalledColormapsReply(ClientPtr pClient, int size,
+ xListInstalledColormapsReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->length, n);
+ swaps(&pRep->nColormaps, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SAllocColorReply(ClientPtr pClient, int size, xAllocColorReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swaps(&pRep->red, n);
+ swaps(&pRep->green, n);
+ swaps(&pRep->blue, n);
+ swapl(&pRep->pixel, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SAllocNamedColorReply(ClientPtr pClient, int size, xAllocNamedColorReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->pixel, n);
+ swaps(&pRep->exactRed, n);
+ swaps(&pRep->exactGreen, n);
+ swaps(&pRep->exactBlue, n);
+ swaps(&pRep->screenRed, n);
+ swaps(&pRep->screenGreen, n);
+ swaps(&pRep->screenBlue, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SAllocColorCellsReply(ClientPtr pClient, int size, xAllocColorCellsReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->length, n);
+ swaps(&pRep->nPixels, n);
+ swaps(&pRep->nMasks, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+
+void
+SAllocColorPlanesReply(ClientPtr pClient, int size, xAllocColorPlanesReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->length, n);
+ swaps(&pRep->nPixels, n);
+ swapl(&pRep->redMask, n);
+ swapl(&pRep->greenMask, n);
+ swapl(&pRep->blueMask, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+static void
+SwapRGB(xrgb *prgb)
+{
+ char n;
+
+ swaps(&prgb->red, n);
+ swaps(&prgb->green, n);
+ swaps(&prgb->blue, n);
+}
+
+void
+SQColorsExtend(ClientPtr pClient, int size, xrgb *prgb)
+{
+ int i, n;
+ xrgb *prgbT;
+
+ n = size / sizeof(xrgb);
+ prgbT = prgb;
+ for(i = 0; i < n; i++)
+ {
+ SwapRGB(prgbT);
+ prgbT++;
+ }
+ (void)WriteToClient(pClient, size, (char *) prgb);
+}
+
+void
+SQueryColorsReply(ClientPtr pClient, int size, xQueryColorsReply* pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->length, n);
+ swaps(&pRep->nColors, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SLookupColorReply(ClientPtr pClient, int size, xLookupColorReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swaps(&pRep->exactRed, n);
+ swaps(&pRep->exactGreen, n);
+ swaps(&pRep->exactBlue, n);
+ swaps(&pRep->screenRed, n);
+ swaps(&pRep->screenGreen, n);
+ swaps(&pRep->screenBlue, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SQueryBestSizeReply(ClientPtr pClient, int size, xQueryBestSizeReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swaps(&pRep->width, n);
+ swaps(&pRep->height, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SListExtensionsReply(ClientPtr pClient, int size, xListExtensionsReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->length, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SGetKeyboardMappingReply(ClientPtr pClient, int size,
+ xGetKeyboardMappingReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->length, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SGetPointerMappingReply(ClientPtr pClient, int size,
+ xGetPointerMappingReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->length, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SGetModifierMappingReply(ClientPtr pClient, int size,
+ xGetModifierMappingReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->length, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SGetKeyboardControlReply(ClientPtr pClient, int size, xGetKeyboardControlReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->length, n);
+ swapl(&pRep->ledMask, n);
+ swaps(&pRep->bellPitch, n);
+ swaps(&pRep->bellDuration, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SGetPointerControlReply(ClientPtr pClient, int size, xGetPointerControlReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swaps(&pRep->accelNumerator, n);
+ swaps(&pRep->accelDenominator, n);
+ swaps(&pRep->threshold, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SGetScreenSaverReply(ClientPtr pClient, int size, xGetScreenSaverReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swaps(&pRep->timeout, n);
+ swaps(&pRep->interval, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+void
+SLHostsExtend(ClientPtr pClient, int size, char *buf)
+{
+ char *bufT = buf;
+ char *endbuf = buf + size;
+ while (bufT < endbuf) {
+ xHostEntry *host = (xHostEntry *) bufT;
+ int len = host->length;
+ char n;
+ swaps (&host->length, n);
+ bufT += sizeof (xHostEntry) + pad_to_int32(len);
+ }
+ (void)WriteToClient (pClient, size, buf);
+}
+
+void
+SListHostsReply(ClientPtr pClient, int size, xListHostsReply *pRep)
+{
+ char n;
+
+ swaps(&pRep->sequenceNumber, n);
+ swapl(&pRep->length, n);
+ swaps(&pRep->nHosts, n);
+ (void)WriteToClient(pClient, size, (char *) pRep);
+}
+
+
+
+void
+SErrorEvent(xError *from, xError *to)
+{
+ to->type = X_Error;
+ to->errorCode = from->errorCode;
+ cpswaps(from->sequenceNumber, to->sequenceNumber);
+ cpswapl(from->resourceID, to->resourceID);
+ cpswaps(from->minorCode, to->minorCode);
+ to->majorCode = from->majorCode;
+}
+
+void
+SKeyButtonPtrEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ to->u.u.detail = from->u.u.detail;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.keyButtonPointer.time,
+ to->u.keyButtonPointer.time);
+ cpswapl(from->u.keyButtonPointer.root,
+ to->u.keyButtonPointer.root);
+ cpswapl(from->u.keyButtonPointer.event,
+ to->u.keyButtonPointer.event);
+ cpswapl(from->u.keyButtonPointer.child,
+ to->u.keyButtonPointer.child);
+ cpswaps(from->u.keyButtonPointer.rootX,
+ to->u.keyButtonPointer.rootX);
+ cpswaps(from->u.keyButtonPointer.rootY,
+ to->u.keyButtonPointer.rootY);
+ cpswaps(from->u.keyButtonPointer.eventX,
+ to->u.keyButtonPointer.eventX);
+ cpswaps(from->u.keyButtonPointer.eventY,
+ to->u.keyButtonPointer.eventY);
+ cpswaps(from->u.keyButtonPointer.state,
+ to->u.keyButtonPointer.state);
+ to->u.keyButtonPointer.sameScreen =
+ from->u.keyButtonPointer.sameScreen;
+}
+
+void
+SEnterLeaveEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ to->u.u.detail = from->u.u.detail;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.enterLeave.time, to->u.enterLeave.time);
+ cpswapl(from->u.enterLeave.root, to->u.enterLeave.root);
+ cpswapl(from->u.enterLeave.event, to->u.enterLeave.event);
+ cpswapl(from->u.enterLeave.child, to->u.enterLeave.child);
+ cpswaps(from->u.enterLeave.rootX, to->u.enterLeave.rootX);
+ cpswaps(from->u.enterLeave.rootY, to->u.enterLeave.rootY);
+ cpswaps(from->u.enterLeave.eventX, to->u.enterLeave.eventX);
+ cpswaps(from->u.enterLeave.eventY, to->u.enterLeave.eventY);
+ cpswaps(from->u.enterLeave.state, to->u.enterLeave.state);
+ to->u.enterLeave.mode = from->u.enterLeave.mode;
+ to->u.enterLeave.flags = from->u.enterLeave.flags;
+}
+
+void
+SFocusEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ to->u.u.detail = from->u.u.detail;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.focus.window, to->u.focus.window);
+ to->u.focus.mode = from->u.focus.mode;
+}
+
+void
+SExposeEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.expose.window, to->u.expose.window);
+ cpswaps(from->u.expose.x, to->u.expose.x);
+ cpswaps(from->u.expose.y, to->u.expose.y);
+ cpswaps(from->u.expose.width, to->u.expose.width);
+ cpswaps(from->u.expose.height, to->u.expose.height);
+ cpswaps(from->u.expose.count, to->u.expose.count);
+}
+
+void
+SGraphicsExposureEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.graphicsExposure.drawable,
+ to->u.graphicsExposure.drawable);
+ cpswaps(from->u.graphicsExposure.x,
+ to->u.graphicsExposure.x);
+ cpswaps(from->u.graphicsExposure.y,
+ to->u.graphicsExposure.y);
+ cpswaps(from->u.graphicsExposure.width,
+ to->u.graphicsExposure.width);
+ cpswaps(from->u.graphicsExposure.height,
+ to->u.graphicsExposure.height);
+ cpswaps(from->u.graphicsExposure.minorEvent,
+ to->u.graphicsExposure.minorEvent);
+ cpswaps(from->u.graphicsExposure.count,
+ to->u.graphicsExposure.count);
+ to->u.graphicsExposure.majorEvent =
+ from->u.graphicsExposure.majorEvent;
+}
+
+void
+SNoExposureEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.noExposure.drawable, to->u.noExposure.drawable);
+ cpswaps(from->u.noExposure.minorEvent, to->u.noExposure.minorEvent);
+ to->u.noExposure.majorEvent = from->u.noExposure.majorEvent;
+}
+
+void
+SVisibilityEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.visibility.window, to->u.visibility.window);
+ to->u.visibility.state = from->u.visibility.state;
+}
+
+void
+SCreateNotifyEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.createNotify.window, to->u.createNotify.window);
+ cpswapl(from->u.createNotify.parent, to->u.createNotify.parent);
+ cpswaps(from->u.createNotify.x, to->u.createNotify.x);
+ cpswaps(from->u.createNotify.y, to->u.createNotify.y);
+ cpswaps(from->u.createNotify.width, to->u.createNotify.width);
+ cpswaps(from->u.createNotify.height, to->u.createNotify.height);
+ cpswaps(from->u.createNotify.borderWidth,
+ to->u.createNotify.borderWidth);
+ to->u.createNotify.override = from->u.createNotify.override;
+}
+
+void
+SDestroyNotifyEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.destroyNotify.event, to->u.destroyNotify.event);
+ cpswapl(from->u.destroyNotify.window, to->u.destroyNotify.window);
+}
+
+void
+SUnmapNotifyEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.unmapNotify.event, to->u.unmapNotify.event);
+ cpswapl(from->u.unmapNotify.window, to->u.unmapNotify.window);
+ to->u.unmapNotify.fromConfigure = from->u.unmapNotify.fromConfigure;
+}
+
+void
+SMapNotifyEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.mapNotify.event, to->u.mapNotify.event);
+ cpswapl(from->u.mapNotify.window, to->u.mapNotify.window);
+ to->u.mapNotify.override = from->u.mapNotify.override;
+}
+
+void
+SMapRequestEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.mapRequest.parent, to->u.mapRequest.parent);
+ cpswapl(from->u.mapRequest.window, to->u.mapRequest.window);
+}
+
+void
+SReparentEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.reparent.event, to->u.reparent.event);
+ cpswapl(from->u.reparent.window, to->u.reparent.window);
+ cpswapl(from->u.reparent.parent, to->u.reparent.parent);
+ cpswaps(from->u.reparent.x, to->u.reparent.x);
+ cpswaps(from->u.reparent.y, to->u.reparent.y);
+ to->u.reparent.override = from->u.reparent.override;
+}
+
+void
+SConfigureNotifyEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.configureNotify.event,
+ to->u.configureNotify.event);
+ cpswapl(from->u.configureNotify.window,
+ to->u.configureNotify.window);
+ cpswapl(from->u.configureNotify.aboveSibling,
+ to->u.configureNotify.aboveSibling);
+ cpswaps(from->u.configureNotify.x, to->u.configureNotify.x);
+ cpswaps(from->u.configureNotify.y, to->u.configureNotify.y);
+ cpswaps(from->u.configureNotify.width, to->u.configureNotify.width);
+ cpswaps(from->u.configureNotify.height,
+ to->u.configureNotify.height);
+ cpswaps(from->u.configureNotify.borderWidth,
+ to->u.configureNotify.borderWidth);
+ to->u.configureNotify.override = from->u.configureNotify.override;
+}
+
+void
+SConfigureRequestEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ to->u.u.detail = from->u.u.detail; /* actually stack-mode */
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.configureRequest.parent,
+ to->u.configureRequest.parent);
+ cpswapl(from->u.configureRequest.window,
+ to->u.configureRequest.window);
+ cpswapl(from->u.configureRequest.sibling,
+ to->u.configureRequest.sibling);
+ cpswaps(from->u.configureRequest.x, to->u.configureRequest.x);
+ cpswaps(from->u.configureRequest.y, to->u.configureRequest.y);
+ cpswaps(from->u.configureRequest.width,
+ to->u.configureRequest.width);
+ cpswaps(from->u.configureRequest.height,
+ to->u.configureRequest.height);
+ cpswaps(from->u.configureRequest.borderWidth,
+ to->u.configureRequest.borderWidth);
+ cpswaps(from->u.configureRequest.valueMask,
+ to->u.configureRequest.valueMask);
+}
+
+
+void
+SGravityEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.gravity.event, to->u.gravity.event);
+ cpswapl(from->u.gravity.window, to->u.gravity.window);
+ cpswaps(from->u.gravity.x, to->u.gravity.x);
+ cpswaps(from->u.gravity.y, to->u.gravity.y);
+}
+
+void
+SResizeRequestEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.resizeRequest.window, to->u.resizeRequest.window);
+ cpswaps(from->u.resizeRequest.width, to->u.resizeRequest.width);
+ cpswaps(from->u.resizeRequest.height, to->u.resizeRequest.height);
+}
+
+void
+SCirculateEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ to->u.u.detail = from->u.u.detail;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.circulate.event, to->u.circulate.event);
+ cpswapl(from->u.circulate.window, to->u.circulate.window);
+ cpswapl(from->u.circulate.parent, to->u.circulate.parent);
+ to->u.circulate.place = from->u.circulate.place;
+}
+
+void
+SPropertyEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.property.window, to->u.property.window);
+ cpswapl(from->u.property.atom, to->u.property.atom);
+ cpswapl(from->u.property.time, to->u.property.time);
+ to->u.property.state = from->u.property.state;
+}
+
+void
+SSelectionClearEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.selectionClear.time, to->u.selectionClear.time);
+ cpswapl(from->u.selectionClear.window, to->u.selectionClear.window);
+ cpswapl(from->u.selectionClear.atom, to->u.selectionClear.atom);
+}
+
+void
+SSelectionRequestEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.selectionRequest.time, to->u.selectionRequest.time);
+ cpswapl(from->u.selectionRequest.owner,
+ to->u.selectionRequest.owner);
+ cpswapl(from->u.selectionRequest.requestor,
+ to->u.selectionRequest.requestor);
+ cpswapl(from->u.selectionRequest.selection,
+ to->u.selectionRequest.selection);
+ cpswapl(from->u.selectionRequest.target,
+ to->u.selectionRequest.target);
+ cpswapl(from->u.selectionRequest.property,
+ to->u.selectionRequest.property);
+}
+
+void
+SSelectionNotifyEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.selectionNotify.time, to->u.selectionNotify.time);
+ cpswapl(from->u.selectionNotify.requestor,
+ to->u.selectionNotify.requestor);
+ cpswapl(from->u.selectionNotify.selection,
+ to->u.selectionNotify.selection);
+ cpswapl(from->u.selectionNotify.target,
+ to->u.selectionNotify.target);
+ cpswapl(from->u.selectionNotify.property,
+ to->u.selectionNotify.property);
+}
+
+void
+SColormapEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.colormap.window, to->u.colormap.window);
+ cpswapl(from->u.colormap.colormap, to->u.colormap.colormap);
+ to->u.colormap.new = from->u.colormap.new;
+ to->u.colormap.state = from->u.colormap.state;
+}
+
+void
+SMappingEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ to->u.mappingNotify.request = from->u.mappingNotify.request;
+ to->u.mappingNotify.firstKeyCode =
+ from->u.mappingNotify.firstKeyCode;
+ to->u.mappingNotify.count = from->u.mappingNotify.count;
+}
+
+void
+SClientMessageEvent(xEvent *from, xEvent *to)
+{
+ to->u.u.type = from->u.u.type;
+ to->u.u.detail = from->u.u.detail; /* actually format */
+ cpswaps(from->u.u.sequenceNumber, to->u.u.sequenceNumber);
+ cpswapl(from->u.clientMessage.window, to->u.clientMessage.window);
+ cpswapl(from->u.clientMessage.u.l.type,
+ to->u.clientMessage.u.l.type);
+ switch (from->u.u.detail) {
+ case 8:
+ memmove(to->u.clientMessage.u.b.bytes,
+ from->u.clientMessage.u.b.bytes,20);
+ break;
+ case 16:
+ cpswaps(from->u.clientMessage.u.s.shorts0,
+ to->u.clientMessage.u.s.shorts0);
+ cpswaps(from->u.clientMessage.u.s.shorts1,
+ to->u.clientMessage.u.s.shorts1);
+ cpswaps(from->u.clientMessage.u.s.shorts2,
+ to->u.clientMessage.u.s.shorts2);
+ cpswaps(from->u.clientMessage.u.s.shorts3,
+ to->u.clientMessage.u.s.shorts3);
+ cpswaps(from->u.clientMessage.u.s.shorts4,
+ to->u.clientMessage.u.s.shorts4);
+ cpswaps(from->u.clientMessage.u.s.shorts5,
+ to->u.clientMessage.u.s.shorts5);
+ cpswaps(from->u.clientMessage.u.s.shorts6,
+ to->u.clientMessage.u.s.shorts6);
+ cpswaps(from->u.clientMessage.u.s.shorts7,
+ to->u.clientMessage.u.s.shorts7);
+ cpswaps(from->u.clientMessage.u.s.shorts8,
+ to->u.clientMessage.u.s.shorts8);
+ cpswaps(from->u.clientMessage.u.s.shorts9,
+ to->u.clientMessage.u.s.shorts9);
+ break;
+ case 32:
+ cpswapl(from->u.clientMessage.u.l.longs0,
+ to->u.clientMessage.u.l.longs0);
+ cpswapl(from->u.clientMessage.u.l.longs1,
+ to->u.clientMessage.u.l.longs1);
+ cpswapl(from->u.clientMessage.u.l.longs2,
+ to->u.clientMessage.u.l.longs2);
+ cpswapl(from->u.clientMessage.u.l.longs3,
+ to->u.clientMessage.u.l.longs3);
+ cpswapl(from->u.clientMessage.u.l.longs4,
+ to->u.clientMessage.u.l.longs4);
+ break;
+ }
+}
+
+void
+SKeymapNotifyEvent(xEvent *from, xEvent *to)
+{
+ /* Keymap notify events are special; they have no
+ sequence number field, and contain entirely 8-bit data */
+ *to = *from;
+}
+
+static void
+SwapConnSetup(xConnSetup *pConnSetup, xConnSetup *pConnSetupT)
+{
+ cpswapl(pConnSetup->release, pConnSetupT->release);
+ cpswapl(pConnSetup->ridBase, pConnSetupT->ridBase);
+ cpswapl(pConnSetup->ridMask, pConnSetupT->ridMask);
+ cpswapl(pConnSetup->motionBufferSize, pConnSetupT->motionBufferSize);
+ cpswaps(pConnSetup->nbytesVendor, pConnSetupT->nbytesVendor);
+ cpswaps(pConnSetup->maxRequestSize, pConnSetupT->maxRequestSize);
+ pConnSetupT->minKeyCode = pConnSetup->minKeyCode;
+ pConnSetupT->maxKeyCode = pConnSetup->maxKeyCode;
+ pConnSetupT->numRoots = pConnSetup->numRoots;
+ pConnSetupT->numFormats = pConnSetup->numFormats;
+ pConnSetupT->imageByteOrder = pConnSetup->imageByteOrder;
+ pConnSetupT->bitmapBitOrder = pConnSetup->bitmapBitOrder;
+ pConnSetupT->bitmapScanlineUnit = pConnSetup->bitmapScanlineUnit;
+ pConnSetupT->bitmapScanlinePad = pConnSetup->bitmapScanlinePad;
+}
+
+static void
+SwapWinRoot(xWindowRoot *pRoot, xWindowRoot *pRootT)
+{
+ cpswapl(pRoot->windowId, pRootT->windowId);
+ cpswapl(pRoot->defaultColormap, pRootT->defaultColormap);
+ cpswapl(pRoot->whitePixel, pRootT->whitePixel);
+ cpswapl(pRoot->blackPixel, pRootT->blackPixel);
+ cpswapl(pRoot->currentInputMask, pRootT->currentInputMask);
+ cpswaps(pRoot->pixWidth, pRootT->pixWidth);
+ cpswaps(pRoot->pixHeight, pRootT->pixHeight);
+ cpswaps(pRoot->mmWidth, pRootT->mmWidth);
+ cpswaps(pRoot->mmHeight, pRootT->mmHeight);
+ cpswaps(pRoot->minInstalledMaps, pRootT->minInstalledMaps);
+ cpswaps(pRoot->maxInstalledMaps, pRootT->maxInstalledMaps);
+ cpswapl(pRoot->rootVisualID, pRootT->rootVisualID);
+ pRootT->backingStore = pRoot->backingStore;
+ pRootT->saveUnders = pRoot->saveUnders;
+ pRootT->rootDepth = pRoot->rootDepth;
+ pRootT->nDepths = pRoot->nDepths;
+}
+
+static void
+SwapVisual(xVisualType *pVis, xVisualType *pVisT)
+{
+ cpswapl(pVis->visualID, pVisT->visualID);
+ pVisT->class = pVis->class;
+ pVisT->bitsPerRGB = pVis->bitsPerRGB;
+ cpswaps(pVis->colormapEntries, pVisT->colormapEntries);
+ cpswapl(pVis->redMask, pVisT->redMask);
+ cpswapl(pVis->greenMask, pVisT->greenMask);
+ cpswapl(pVis->blueMask, pVisT->blueMask);
+}
+
+void
+SwapConnSetupInfo(
+ char *pInfo,
+ char *pInfoT
+)
+{
+ int i, j, k;
+ xConnSetup *pConnSetup = (xConnSetup *)pInfo;
+ xDepth *depth;
+ xWindowRoot *root;
+
+ SwapConnSetup(pConnSetup, (xConnSetup *)pInfoT);
+ pInfo += sizeof(xConnSetup);
+ pInfoT += sizeof(xConnSetup);
+
+ /* Copy the vendor string */
+ i = pad_to_int32(pConnSetup->nbytesVendor);
+ memcpy(pInfoT, pInfo, i);
+ pInfo += i;
+ pInfoT += i;
+
+ /* The Pixmap formats don't need to be swapped, just copied. */
+ i = sizeof(xPixmapFormat) * pConnSetup->numFormats;
+ memcpy(pInfoT, pInfo, i);
+ pInfo += i;
+ pInfoT += i;
+
+ for(i = 0; i < pConnSetup->numRoots; i++)
+ {
+ root = (xWindowRoot*)pInfo;
+ SwapWinRoot(root, (xWindowRoot *)pInfoT);
+ pInfo += sizeof(xWindowRoot);
+ pInfoT += sizeof(xWindowRoot);
+
+ for(j = 0; j < root->nDepths; j++)
+ {
+ depth = (xDepth*)pInfo;
+ ((xDepth *)pInfoT)->depth = depth->depth;
+ cpswaps(depth->nVisuals, ((xDepth *)pInfoT)->nVisuals);
+ pInfo += sizeof(xDepth);
+ pInfoT += sizeof(xDepth);
+ for(k = 0; k < depth->nVisuals; k++)
+ {
+ SwapVisual((xVisualType *)pInfo, (xVisualType *)pInfoT);
+ pInfo += sizeof(xVisualType);
+ pInfoT += sizeof(xVisualType);
+ }
+ }
+ }
+}
+
+void
+WriteSConnectionInfo(ClientPtr pClient, unsigned long size, char *pInfo)
+{
+ char *pInfoTBase;
+
+ pInfoTBase = malloc(size);
+ if (!pInfoTBase)
+ {
+ pClient->noClientException = -1;
+ return;
+ }
+ SwapConnSetupInfo(pInfo, pInfoTBase);
+ (void)WriteToClient(pClient, (int)size, (char *) pInfoTBase);
+ free(pInfoTBase);
+}
+
+void
+SwapConnSetupPrefix(xConnSetupPrefix *pcspFrom, xConnSetupPrefix *pcspTo)
+{
+ pcspTo->success = pcspFrom->success;
+ pcspTo->lengthReason = pcspFrom->lengthReason;
+ cpswaps(pcspFrom->majorVersion, pcspTo->majorVersion);
+ cpswaps(pcspFrom->minorVersion, pcspTo->minorVersion);
+ cpswaps(pcspFrom->length, pcspTo->length);
+}
+
+void
+WriteSConnSetupPrefix(ClientPtr pClient, xConnSetupPrefix *pcsp)
+{
+ xConnSetupPrefix cspT;
+
+ SwapConnSetupPrefix(pcsp, &cspT);
+ (void)WriteToClient(pClient, sizeof(cspT), (char *) &cspT);
+}
+
+/*
+ * Dummy entry for ReplySwapVector[]
+ */
+
+void
+ReplyNotSwappd(
+ ClientPtr pClient ,
+ int size ,
+ void * pbuf
+ )
+{
+ FatalError("Not implemented");
+}
+
diff --git a/xorg-server/dix/window.c b/xorg-server/dix/window.c index 02451fc7e..6a12c9d05 100644 --- a/xorg-server/dix/window.c +++ b/xorg-server/dix/window.c @@ -1,3888 +1,3887 @@ -/* - -Copyright (c) 2006, Red Hat, Inc. - -Permission is hereby granted, free of charge, to any person obtaining a -copy of this software and associated documentation files (the "Software"), -to deal in the Software without restriction, including without limitation -the rights to use, copy, modify, merge, publish, distribute, sublicense, -and/or sell copies of the Software, and to permit persons to whom the -Software is furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice (including the next -paragraph) shall be included in all copies or substantial portions of the -Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL -THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING -FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER -DEALINGS IN THE SOFTWARE. - -Copyright 1987, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included -in all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR -OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, -ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR -OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall -not be used in advertising or otherwise to promote the sale, use or -other dealings in this Software without prior written authorization -from The Open Group. - - -Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts, - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -*/ - -/* The panoramix components contained the following notice */ -/***************************************************************** - -Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL -DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, -BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, -WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR -IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of Digital Equipment Corporation -shall not be used in advertising or otherwise to promote the sale, use or other -dealings in this Software without prior written authorization from Digital -Equipment Corporation. - -******************************************************************/ - - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include "misc.h" -#include "scrnintstr.h" -#include "os.h" -#include "regionstr.h" -#include "validate.h" -#include "windowstr.h" -#include "input.h" -#include "inputstr.h" -#include "resource.h" -#include "colormapst.h" -#include "cursorstr.h" -#include "dixstruct.h" -#include "gcstruct.h" -#include "servermd.h" -#ifdef PANORAMIX -#include "panoramiX.h" -#include "panoramiXsrv.h" -#endif -#include "dixevents.h" -#include "globals.h" -#include "mi.h" /* miPaintWindow */ - -#include "privates.h" -#include "xace.h" - -/****** - * Window stuff for server - * - * CreateRootWindow, CreateWindow, ChangeWindowAttributes, - * GetWindowAttributes, DeleteWindow, DestroySubWindows, - * HandleSaveSet, ReparentWindow, MapWindow, MapSubWindows, - * UnmapWindow, UnmapSubWindows, ConfigureWindow, CirculateWindow, - * ChangeWindowDeviceCursor - ******/ - -static unsigned char _back_lsb[4] = {0x88, 0x22, 0x44, 0x11}; -static unsigned char _back_msb[4] = {0x11, 0x44, 0x22, 0x88}; - -static Bool WindowParentHasDeviceCursor(WindowPtr pWin, - DeviceIntPtr pDev, - CursorPtr pCurs); -static Bool -WindowSeekDeviceCursor(WindowPtr pWin, - DeviceIntPtr pDev, - DevCursNodePtr* pNode, - DevCursNodePtr* pPrev); - -int screenIsSaved = SCREEN_SAVER_OFF; - -ScreenSaverStuffRec savedScreenInfo[MAXSCREENS]; - -static int FocusPrivatesKeyIndex; -DevPrivateKey FocusPrivatesKey = &FocusPrivatesKeyIndex; - -static Bool TileScreenSaver(int i, int kind); - - -#define INPUTONLY_LEGAL_MASK (CWWinGravity | CWEventMask | \ - CWDontPropagate | CWOverrideRedirect | CWCursor ) - -#define BOXES_OVERLAP(b1, b2) \ - (!( ((b1)->x2 <= (b2)->x1) || \ - ( ((b1)->x1 >= (b2)->x2)) || \ - ( ((b1)->y2 <= (b2)->y1)) || \ - ( ((b1)->y1 >= (b2)->y2)) ) ) - -#define RedirectSend(pWin) \ - ((pWin->eventMask|wOtherEventMasks(pWin)) & SubstructureRedirectMask) - -#define SubSend(pWin) \ - ((pWin->eventMask|wOtherEventMasks(pWin)) & SubstructureNotifyMask) - -#define StrSend(pWin) \ - ((pWin->eventMask|wOtherEventMasks(pWin)) & StructureNotifyMask) - -#define SubStrSend(pWin,pParent) (StrSend(pWin) || SubSend(pParent)) - -#ifdef DEBUG -/****** - * PrintWindowTree - * For debugging only - ******/ - -static void -PrintChildren(WindowPtr p1, int indent) -{ - WindowPtr p2; - int i; - - while (p1) - { - p2 = p1->firstChild; - ErrorF("[dix] "); - for (i=0; i<indent; i++) ErrorF(" "); - ErrorF("%lx\n", p1->drawable.id); - miPrintRegion(&p1->clipList); - PrintChildren(p2, indent+4); - p1 = p1->nextSib; - } -} - -static void -PrintWindowTree(void) -{ - int i; - WindowPtr pWin, p1; - - for (i=0; i<screenInfo.numScreens; i++) - { - ErrorF("[dix] WINDOW %d\n", i); - pWin = WindowTable[i]; - miPrintRegion(&pWin->clipList); - p1 = pWin->firstChild; - PrintChildren(p1, 4); - } -} -#endif - -int -TraverseTree(WindowPtr pWin, VisitWindowProcPtr func, pointer data) -{ - int result; - WindowPtr pChild; - - if (!(pChild = pWin)) - return(WT_NOMATCH); - while (1) - { - result = (* func)(pChild, data); - if (result == WT_STOPWALKING) - return(WT_STOPWALKING); - if ((result == WT_WALKCHILDREN) && pChild->firstChild) - { - pChild = pChild->firstChild; - continue; - } - while (!pChild->nextSib && (pChild != pWin)) - pChild = pChild->parent; - if (pChild == pWin) - break; - pChild = pChild->nextSib; - } - return(WT_NOMATCH); -} - -/***** - * WalkTree - * Walk the window tree, for SCREEN, preforming FUNC(pWin, data) on - * each window. If FUNC returns WT_WALKCHILDREN, traverse the children, - * if it returns WT_DONTWALKCHILDREN, dont. If it returns WT_STOPWALKING - * exit WalkTree. Does depth-first traverse. - *****/ - -int -WalkTree(ScreenPtr pScreen, VisitWindowProcPtr func, pointer data) -{ - return(TraverseTree(WindowTable[pScreen->myNum], func, data)); -} - -/* hack for forcing backing store on all windows */ -int defaultBackingStore = NotUseful; -/* hack to force no backing store */ -Bool disableBackingStore = FALSE; -Bool enableBackingStore = FALSE; - -static void -SetWindowToDefaults(WindowPtr pWin) -{ - pWin->prevSib = NullWindow; - pWin->firstChild = NullWindow; - pWin->lastChild = NullWindow; - - pWin->valdata = (ValidatePtr)NULL; - pWin->optional = (WindowOptPtr)NULL; - pWin->cursorIsNone = TRUE; - - pWin->backingStore = NotUseful; - pWin->DIXsaveUnder = FALSE; - pWin->backStorage = (pointer) NULL; - - pWin->mapped = FALSE; /* off */ - pWin->realized = FALSE; /* off */ - pWin->viewable = FALSE; - pWin->visibility = VisibilityNotViewable; - pWin->overrideRedirect = FALSE; - pWin->saveUnder = FALSE; - - pWin->bitGravity = ForgetGravity; - pWin->winGravity = NorthWestGravity; - - pWin->eventMask = 0; - pWin->deliverableEvents = 0; - pWin->dontPropagate = 0; - pWin->forcedBS = FALSE; - pWin->redirectDraw = RedirectDrawNone; - pWin->forcedBG = FALSE; - -#ifdef ROOTLESS - pWin->rootlessUnhittable = FALSE; -#endif -} - -static void -MakeRootTile(WindowPtr pWin) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - GCPtr pGC; - unsigned char back[128]; - int len = BitmapBytePad(sizeof(long)); - unsigned char *from, *to; - int i, j; - - pWin->background.pixmap = (*pScreen->CreatePixmap)(pScreen, 4, 4, - pScreen->rootDepth, 0); - - pWin->backgroundState = BackgroundPixmap; - pGC = GetScratchGC(pScreen->rootDepth, pScreen); - if (!pWin->background.pixmap || !pGC) - FatalError("could not create root tile"); - - { - CARD32 attributes[2]; - - attributes[0] = pScreen->whitePixel; - attributes[1] = pScreen->blackPixel; - - (void)ChangeGC(pGC, GCForeground | GCBackground, attributes); - } - - ValidateGC((DrawablePtr)pWin->background.pixmap, pGC); - - from = (screenInfo.bitmapBitOrder == LSBFirst) ? _back_lsb : _back_msb; - to = back; - - for (i = 4; i > 0; i--, from++) - for (j = len; j > 0; j--) - *to++ = *from; - - (*pGC->ops->PutImage)((DrawablePtr)pWin->background.pixmap, pGC, 1, - 0, 0, len, 4, 0, XYBitmap, (char *)back); - - FreeScratchGC(pGC); - -} - -/***** - * CreateRootWindow - * Makes a window at initialization time for specified screen - *****/ - -Bool -CreateRootWindow(ScreenPtr pScreen) -{ - WindowPtr pWin; - BoxRec box; - PixmapFormatRec *format; - - pWin = xalloc(sizeof(WindowRec)); - if (!pWin) - return FALSE; - - savedScreenInfo[pScreen->myNum].pWindow = NULL; - savedScreenInfo[pScreen->myNum].wid = FakeClientID(0); - savedScreenInfo[pScreen->myNum].ExternalScreenSaver = NULL; - screenIsSaved = SCREEN_SAVER_OFF; - - WindowTable[pScreen->myNum] = pWin; - - pWin->drawable.pScreen = pScreen; - pWin->drawable.type = DRAWABLE_WINDOW; - pWin->devPrivates = NULL; - - pWin->drawable.depth = pScreen->rootDepth; - for (format = screenInfo.formats; - format->depth != pScreen->rootDepth; - format++) - ; - pWin->drawable.bitsPerPixel = format->bitsPerPixel; - - pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER; - - pWin->parent = NullWindow; - SetWindowToDefaults(pWin); - - pWin->optional = xalloc (sizeof (WindowOptRec)); - if (!pWin->optional) - return FALSE; - - pWin->optional->dontPropagateMask = 0; - pWin->optional->otherEventMasks = 0; - pWin->optional->otherClients = NULL; - pWin->optional->passiveGrabs = NULL; - pWin->optional->userProps = NULL; - pWin->optional->backingBitPlanes = ~0L; - pWin->optional->backingPixel = 0; - pWin->optional->boundingShape = NULL; - pWin->optional->clipShape = NULL; - pWin->optional->inputShape = NULL; - pWin->optional->inputMasks = NULL; - pWin->optional->deviceCursors = NULL; - pWin->optional->colormap = pScreen->defColormap; - pWin->optional->visual = pScreen->rootVisual; - - pWin->nextSib = NullWindow; - - pWin->drawable.id = FakeClientID(0); - - pWin->origin.x = pWin->origin.y = 0; - pWin->drawable.height = pScreen->height; - pWin->drawable.width = pScreen->width; - pWin->drawable.x = pWin->drawable.y = 0; - - box.x1 = 0; - box.y1 = 0; - box.x2 = pScreen->width; - box.y2 = pScreen->height; - REGION_INIT(pScreen, &pWin->clipList, &box, 1); - REGION_INIT(pScreen, &pWin->winSize, &box, 1); - REGION_INIT(pScreen, &pWin->borderSize, &box, 1); - REGION_INIT(pScreen, &pWin->borderClip, &box, 1); - - pWin->drawable.class = InputOutput; - pWin->optional->visual = pScreen->rootVisual; - - pWin->backgroundState = BackgroundPixel; - pWin->background.pixel = pScreen->whitePixel; - - pWin->borderIsPixel = TRUE; - pWin->border.pixel = pScreen->blackPixel; - pWin->borderWidth = 0; - - /* security creation/labeling check - */ - if (XaceHook(XACE_RESOURCE_ACCESS, serverClient, pWin->drawable.id, - RT_WINDOW, pWin, RT_NONE, NULL, DixCreateAccess)) - return FALSE; - - if (!AddResource(pWin->drawable.id, RT_WINDOW, (pointer)pWin)) - return FALSE; - - if (disableBackingStore) - pScreen->backingStoreSupport = NotUseful; - if (enableBackingStore) - pScreen->backingStoreSupport = Always; - - pScreen->saveUnderSupport = NotUseful; - - return TRUE; -} - -void -InitRootWindow(WindowPtr pWin) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - int backFlag = CWBorderPixel | CWCursor | CWBackingStore; - - if (!(*pScreen->CreateWindow)(pWin)) - return; /* XXX */ - (*pScreen->PositionWindow)(pWin, 0, 0); - - pWin->cursorIsNone = FALSE; - pWin->optional->cursor = rootCursor; - rootCursor->refcnt++; - - - if (party_like_its_1989) { - MakeRootTile(pWin); - backFlag |= CWBackPixmap; - } else { - if (whiteRoot) - pWin->background.pixel = pScreen->whitePixel; - else - pWin->background.pixel = pScreen->blackPixel; - backFlag |= CWBackPixel; - } - - pWin->backingStore = defaultBackingStore; - pWin->forcedBS = (defaultBackingStore != NotUseful); - /* We SHOULD check for an error value here XXX */ - (*pScreen->ChangeWindowAttributes)(pWin, backFlag); - - MapWindow(pWin, serverClient); -} - -/* Set the region to the intersection of the rectangle and the - * window's winSize. The window is typically the parent of the - * window from which the region came. - */ - -static void -ClippedRegionFromBox(WindowPtr pWin, RegionPtr Rgn, - int x, int y, - int w, int h) -{ - ScreenPtr pScreen; - BoxRec box; - - pScreen = pWin->drawable.pScreen; - - box = *(REGION_EXTENTS(pScreen, &pWin->winSize)); - /* we do these calculations to avoid overflows */ - if (x > box.x1) - box.x1 = x; - if (y > box.y1) - box.y1 = y; - x += w; - if (x < box.x2) - box.x2 = x; - y += h; - if (y < box.y2) - box.y2 = y; - if (box.x1 > box.x2) - box.x2 = box.x1; - if (box.y1 > box.y2) - box.y2 = box.y1; - REGION_RESET(pScreen, Rgn, &box); - REGION_INTERSECT(pScreen, Rgn, Rgn, &pWin->winSize); -} - -static RealChildHeadProc realChildHeadProc = NULL; - -void -RegisterRealChildHeadProc (RealChildHeadProc proc) -{ - realChildHeadProc = proc; -} - - -WindowPtr -RealChildHead(WindowPtr pWin) -{ - if (realChildHeadProc) { - return realChildHeadProc (pWin); - } - - if (!pWin->parent && - (screenIsSaved == SCREEN_SAVER_ON) && - (HasSaverWindow (pWin->drawable.pScreen->myNum))) - return (pWin->firstChild); - else - return (NullWindow); -} - -/***** - * CreateWindow - * Makes a window in response to client request - *****/ - -WindowPtr -CreateWindow(Window wid, WindowPtr pParent, int x, int y, unsigned w, - unsigned h, unsigned bw, unsigned class, Mask vmask, XID *vlist, - int depth, ClientPtr client, VisualID visual, int *error) -{ - WindowPtr pWin; - WindowPtr pHead; - ScreenPtr pScreen; - xEvent event; - int idepth, ivisual; - Bool fOK; - DepthPtr pDepth; - PixmapFormatRec *format; - WindowOptPtr ancwopt; - - if (class == CopyFromParent) - class = pParent->drawable.class; - - if ((class != InputOutput) && (class != InputOnly)) - { - *error = BadValue; - client->errorValue = class; - return NullWindow; - } - - if ((class != InputOnly) && (pParent->drawable.class == InputOnly)) - { - *error = BadMatch; - return NullWindow; - } - - if ((class == InputOnly) && ((bw != 0) || (depth != 0))) - { - *error = BadMatch; - return NullWindow; - } - - pScreen = pParent->drawable.pScreen; - if ((class == InputOutput) && (depth == 0)) - depth = pParent->drawable.depth; - ancwopt = pParent->optional; - if (!ancwopt) - ancwopt = FindWindowWithOptional(pParent)->optional; - if (visual == CopyFromParent) { - visual = ancwopt->visual; - } - - /* Find out if the depth and visual are acceptable for this Screen */ - if ((visual != ancwopt->visual) || (depth != pParent->drawable.depth)) - { - fOK = FALSE; - for(idepth = 0; idepth < pScreen->numDepths; idepth++) - { - pDepth = (DepthPtr) &pScreen->allowedDepths[idepth]; - if ((depth == pDepth->depth) || (depth == 0)) - { - for (ivisual = 0; ivisual < pDepth->numVids; ivisual++) - { - if (visual == pDepth->vids[ivisual]) - { - fOK = TRUE; - break; - } - } - } - } - if (fOK == FALSE) - { - *error = BadMatch; - return NullWindow; - } - } - - if (((vmask & (CWBorderPixmap | CWBorderPixel)) == 0) && - (class != InputOnly) && - (depth != pParent->drawable.depth)) - { - *error = BadMatch; - return NullWindow; - } - - if (((vmask & CWColormap) == 0) && - (class != InputOnly) && - ((visual != ancwopt->visual) || (ancwopt->colormap == None))) - { - *error = BadMatch; - return NullWindow; - } - - pWin = xalloc(sizeof(WindowRec)); - if (!pWin) - { - *error = BadAlloc; - return NullWindow; - } - pWin->drawable = pParent->drawable; - pWin->devPrivates = NULL; - pWin->drawable.depth = depth; - if (depth == pParent->drawable.depth) - pWin->drawable.bitsPerPixel = pParent->drawable.bitsPerPixel; - else - { - for (format = screenInfo.formats; format->depth != depth; format++) - ; - pWin->drawable.bitsPerPixel = format->bitsPerPixel; - } - if (class == InputOnly) - pWin->drawable.type = (short) UNDRAWABLE_WINDOW; - pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER; - - pWin->drawable.id = wid; - pWin->drawable.class = class; - - pWin->parent = pParent; - SetWindowToDefaults(pWin); - - if (visual != ancwopt->visual) - { - if (!MakeWindowOptional (pWin)) - { - xfree (pWin); - *error = BadAlloc; - return NullWindow; - } - pWin->optional->visual = visual; - pWin->optional->colormap = None; - } - - pWin->borderWidth = bw; - - /* security creation/labeling check - */ - *error = XaceHook(XACE_RESOURCE_ACCESS, client, wid, RT_WINDOW, pWin, - RT_WINDOW, pWin->parent, DixCreateAccess|DixSetAttrAccess); - if (*error != Success) { - xfree(pWin); - return NullWindow; - } - - pWin->backgroundState = XaceBackgroundNoneState(pWin); - pWin->background.pixel = pScreen->whitePixel; - - pWin->borderIsPixel = pParent->borderIsPixel; - pWin->border = pParent->border; - if (pWin->borderIsPixel == FALSE) - pWin->border.pixmap->refcnt++; - - pWin->origin.x = x + (int)bw; - pWin->origin.y = y + (int)bw; - pWin->drawable.width = w; - pWin->drawable.height = h; - pWin->drawable.x = pParent->drawable.x + x + (int)bw; - pWin->drawable.y = pParent->drawable.y + y + (int)bw; - - /* set up clip list correctly for unobscured WindowPtr */ - REGION_NULL(pScreen, &pWin->clipList); - REGION_NULL(pScreen, &pWin->borderClip); - REGION_NULL(pScreen, &pWin->winSize); - REGION_NULL(pScreen, &pWin->borderSize); - - pHead = RealChildHead(pParent); - if (pHead) - { - pWin->nextSib = pHead->nextSib; - if (pHead->nextSib) - pHead->nextSib->prevSib = pWin; - else - pParent->lastChild = pWin; - pHead->nextSib = pWin; - pWin->prevSib = pHead; - } - else - { - pWin->nextSib = pParent->firstChild; - if (pParent->firstChild) - pParent->firstChild->prevSib = pWin; - else - pParent->lastChild = pWin; - pParent->firstChild = pWin; - } - - SetWinSize (pWin); - SetBorderSize (pWin); - - /* We SHOULD check for an error value here XXX */ - if (!(*pScreen->CreateWindow)(pWin)) - { - *error = BadAlloc; - DeleteWindow(pWin, None); - return NullWindow; - } - /* We SHOULD check for an error value here XXX */ - (*pScreen->PositionWindow)(pWin, pWin->drawable.x, pWin->drawable.y); - - if (!(vmask & CWEventMask)) - RecalculateDeliverableEvents(pWin); - - if (vmask) - *error = ChangeWindowAttributes(pWin, vmask, vlist, wClient (pWin)); - else - *error = Success; - - if (*error != Success) - { - DeleteWindow(pWin, None); - return NullWindow; - } - if (!(vmask & CWBackingStore) && (defaultBackingStore != NotUseful)) - { - XID value = defaultBackingStore; - (void)ChangeWindowAttributes(pWin, CWBackingStore, &value, wClient (pWin)); - pWin->forcedBS = TRUE; - } - - if (SubSend(pParent)) - { - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = CreateNotify; - event.u.createNotify.window = wid; - event.u.createNotify.parent = pParent->drawable.id; - event.u.createNotify.x = x; - event.u.createNotify.y = y; - event.u.createNotify.width = w; - event.u.createNotify.height = h; - event.u.createNotify.borderWidth = bw; - event.u.createNotify.override = pWin->overrideRedirect; - DeliverEvents(pParent, &event, 1, NullWindow); - } - return pWin; -} - -static void -DisposeWindowOptional (WindowPtr pWin) -{ - if (!pWin->optional) - return; - /* - * everything is peachy. Delete the optional record - * and clean up - */ - if (pWin->optional->cursor) - { - FreeCursor (pWin->optional->cursor, (Cursor)0); - pWin->cursorIsNone = FALSE; - } - else - pWin->cursorIsNone = TRUE; - - if (pWin->optional->deviceCursors) - { - DevCursorList pList; - DevCursorList pPrev; - pList = pWin->optional->deviceCursors; - while(pList) - { - if (pList->cursor) - FreeCursor(pList->cursor, (XID)0); - pPrev = pList; - pList = pList->next; - xfree(pPrev); - } - pWin->optional->deviceCursors = NULL; - } - - xfree (pWin->optional); - pWin->optional = NULL; -} - -static void -FreeWindowResources(WindowPtr pWin) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - - DeleteWindowFromAnySaveSet(pWin); - DeleteWindowFromAnySelections(pWin); - DeleteWindowFromAnyEvents(pWin, TRUE); - REGION_UNINIT(pScreen, &pWin->clipList); - REGION_UNINIT(pScreen, &pWin->winSize); - REGION_UNINIT(pScreen, &pWin->borderClip); - REGION_UNINIT(pScreen, &pWin->borderSize); - if (wBoundingShape (pWin)) - REGION_DESTROY(pScreen, wBoundingShape (pWin)); - if (wClipShape (pWin)) - REGION_DESTROY(pScreen, wClipShape (pWin)); - if (wInputShape (pWin)) - REGION_DESTROY(pScreen, wInputShape (pWin)); - if (pWin->borderIsPixel == FALSE) - (*pScreen->DestroyPixmap)(pWin->border.pixmap); - if (pWin->backgroundState == BackgroundPixmap) - (*pScreen->DestroyPixmap)(pWin->background.pixmap); - - DeleteAllWindowProperties(pWin); - /* We SHOULD check for an error value here XXX */ - (*pScreen->DestroyWindow)(pWin); - DisposeWindowOptional (pWin); -} - -static void -CrushTree(WindowPtr pWin) -{ - WindowPtr pChild, pSib, pParent; - UnrealizeWindowProcPtr UnrealizeWindow; - xEvent event; - - if (!(pChild = pWin->firstChild)) - return; - UnrealizeWindow = pWin->drawable.pScreen->UnrealizeWindow; - while (1) - { - if (pChild->firstChild) - { - pChild = pChild->firstChild; - continue; - } - while (1) - { - pParent = pChild->parent; - if (SubStrSend(pChild, pParent)) - { - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = DestroyNotify; - event.u.destroyNotify.window = pChild->drawable.id; - DeliverEvents(pChild, &event, 1, NullWindow); - } - FreeResource(pChild->drawable.id, RT_WINDOW); - pSib = pChild->nextSib; - pChild->viewable = FALSE; - if (pChild->realized) - { - pChild->realized = FALSE; - (*UnrealizeWindow)(pChild); - } - FreeWindowResources(pChild); - dixFreePrivates(pChild->devPrivates); - xfree(pChild); - if ( (pChild = pSib) ) - break; - pChild = pParent; - pChild->firstChild = NullWindow; - pChild->lastChild = NullWindow; - if (pChild == pWin) - return; - } - } -} - -/***** - * DeleteWindow - * Deletes child of window then window itself - * If wid is None, don't send any events - *****/ - -int -DeleteWindow(pointer value, XID wid) - { - WindowPtr pParent; - WindowPtr pWin = (WindowPtr)value; - xEvent event; - - UnmapWindow(pWin, FALSE); - - CrushTree(pWin); - - pParent = pWin->parent; - if (wid && pParent && SubStrSend(pWin, pParent)) - { - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = DestroyNotify; - event.u.destroyNotify.window = pWin->drawable.id; - DeliverEvents(pWin, &event, 1, NullWindow); - } - - FreeWindowResources(pWin); - if (pParent) - { - if (pParent->firstChild == pWin) - pParent->firstChild = pWin->nextSib; - if (pParent->lastChild == pWin) - pParent->lastChild = pWin->prevSib; - if (pWin->nextSib) - pWin->nextSib->prevSib = pWin->prevSib; - if (pWin->prevSib) - pWin->prevSib->nextSib = pWin->nextSib; - } - xfree(dixLookupPrivate(&pWin->devPrivates, FocusPrivatesKey)); - dixFreePrivates(pWin->devPrivates); - xfree(pWin); - return Success; -} - -int -DestroySubwindows(WindowPtr pWin, ClientPtr client) -{ - /* XXX - * The protocol is quite clear that each window should be - * destroyed in turn, however, unmapping all of the first - * eliminates most of the calls to ValidateTree. So, - * this implementation is incorrect in that all of the - * UnmapNotifies occur before all of the DestroyNotifies. - * If you care, simply delete the call to UnmapSubwindows. - */ - UnmapSubwindows(pWin); - while (pWin->lastChild) { - int rc = XaceHook(XACE_RESOURCE_ACCESS, client, - pWin->lastChild->drawable.id, RT_WINDOW, - pWin->lastChild, RT_NONE, NULL, DixDestroyAccess); - if (rc != Success) - return rc; - FreeResource(pWin->lastChild->drawable.id, RT_NONE); - } - return Success; -} - -/***** - * ChangeWindowAttributes - * - * The value-mask specifies which attributes are to be changed; the - * value-list contains one value for each one bit in the mask, from least - * to most significant bit in the mask. - *****/ - -int -ChangeWindowAttributes(WindowPtr pWin, Mask vmask, XID *vlist, ClientPtr client) -{ - XID *pVlist; - PixmapPtr pPixmap; - Pixmap pixID; - CursorPtr pCursor, pOldCursor; - Cursor cursorID; - WindowPtr pChild; - Colormap cmap; - ColormapPtr pCmap; - xEvent xE; - int error, rc; - ScreenPtr pScreen; - Mask index2, tmask, vmaskCopy = 0; - unsigned int val; - Bool checkOptional = FALSE, borderRelative = FALSE; - - if ((pWin->drawable.class == InputOnly) && (vmask & (~INPUTONLY_LEGAL_MASK))) - return BadMatch; - - error = Success; - pScreen = pWin->drawable.pScreen; - pVlist = vlist; - tmask = vmask; - while (tmask) - { - index2 = (Mask) lowbit (tmask); - tmask &= ~index2; - switch (index2) - { - case CWBackPixmap: - pixID = (Pixmap )*pVlist; - pVlist++; - if (pWin->backgroundState == ParentRelative) - borderRelative = TRUE; - if (pixID == None) - { - if (pWin->backgroundState == BackgroundPixmap) - (*pScreen->DestroyPixmap)(pWin->background.pixmap); - if (!pWin->parent) - MakeRootTile(pWin); - else { - pWin->backgroundState = XaceBackgroundNoneState(pWin); - pWin->background.pixel = pScreen->whitePixel; - } - } - else if (pixID == ParentRelative) - { - if (pWin->parent && - pWin->drawable.depth != pWin->parent->drawable.depth) - { - error = BadMatch; - goto PatchUp; - } - if (pWin->backgroundState == BackgroundPixmap) - (*pScreen->DestroyPixmap)(pWin->background.pixmap); - if (!pWin->parent) - MakeRootTile(pWin); - else - pWin->backgroundState = ParentRelative; - borderRelative = TRUE; - /* Note that the parent's backgroundTile's refcnt is NOT - * incremented. */ - } - else - { - rc = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP, - client, DixReadAccess); - if (rc == Success) - { - if ((pPixmap->drawable.depth != pWin->drawable.depth) || - (pPixmap->drawable.pScreen != pScreen)) - { - error = BadMatch; - goto PatchUp; - } - if (pWin->backgroundState == BackgroundPixmap) - (*pScreen->DestroyPixmap)(pWin->background.pixmap); - pWin->backgroundState = BackgroundPixmap; - pWin->background.pixmap = pPixmap; - pPixmap->refcnt++; - } - else - { - error = (rc == BadValue) ? BadPixmap : rc; - client->errorValue = pixID; - goto PatchUp; - } - } - break; - case CWBackPixel: - if (pWin->backgroundState == ParentRelative) - borderRelative = TRUE; - if (pWin->backgroundState == BackgroundPixmap) - (*pScreen->DestroyPixmap)(pWin->background.pixmap); - pWin->backgroundState = BackgroundPixel; - pWin->background.pixel = (CARD32 ) *pVlist; - /* background pixel overrides background pixmap, - so don't let the ddx layer see both bits */ - vmaskCopy &= ~CWBackPixmap; - pVlist++; - break; - case CWBorderPixmap: - pixID = (Pixmap ) *pVlist; - pVlist++; - if (pixID == CopyFromParent) - { - if (!pWin->parent || - (pWin->drawable.depth != pWin->parent->drawable.depth)) - { - error = BadMatch; - goto PatchUp; - } - if (pWin->parent->borderIsPixel == TRUE) { - if (pWin->borderIsPixel == FALSE) - (*pScreen->DestroyPixmap)(pWin->border.pixmap); - pWin->border = pWin->parent->border; - pWin->borderIsPixel = TRUE; - index2 = CWBorderPixel; - break; - } - else - { - pixID = pWin->parent->border.pixmap->drawable.id; - } - } - rc = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP, - client, DixReadAccess); - if (rc == Success) - { - if ((pPixmap->drawable.depth != pWin->drawable.depth) || - (pPixmap->drawable.pScreen != pScreen)) - { - error = BadMatch; - goto PatchUp; - } - if (pWin->borderIsPixel == FALSE) - (*pScreen->DestroyPixmap)(pWin->border.pixmap); - pWin->borderIsPixel = FALSE; - pWin->border.pixmap = pPixmap; - pPixmap->refcnt++; - } - else - { - error = (rc == BadValue) ? BadPixmap : rc; - client->errorValue = pixID; - goto PatchUp; - } - break; - case CWBorderPixel: - if (pWin->borderIsPixel == FALSE) - (*pScreen->DestroyPixmap)(pWin->border.pixmap); - pWin->borderIsPixel = TRUE; - pWin->border.pixel = (CARD32) *pVlist; - /* border pixel overrides border pixmap, - so don't let the ddx layer see both bits */ - vmaskCopy &= ~CWBorderPixmap; - pVlist++; - break; - case CWBitGravity: - val = (CARD8 )*pVlist; - pVlist++; - if (val > StaticGravity) - { - error = BadValue; - client->errorValue = val; - goto PatchUp; - } - pWin->bitGravity = val; - break; - case CWWinGravity: - val = (CARD8 )*pVlist; - pVlist++; - if (val > StaticGravity) - { - error = BadValue; - client->errorValue = val; - goto PatchUp; - } - pWin->winGravity = val; - break; - case CWBackingStore: - val = (CARD8 )*pVlist; - pVlist++; - if ((val != NotUseful) && (val != WhenMapped) && (val != Always)) - { - error = BadValue; - client->errorValue = val; - goto PatchUp; - } - pWin->backingStore = val; - pWin->forcedBS = FALSE; - break; - case CWBackingPlanes: - if (pWin->optional || ((CARD32)*pVlist != (CARD32)~0L)) { - if (!pWin->optional && !MakeWindowOptional (pWin)) - { - error = BadAlloc; - goto PatchUp; - } - pWin->optional->backingBitPlanes = (CARD32) *pVlist; - if ((CARD32)*pVlist == (CARD32)~0L) - checkOptional = TRUE; - } - pVlist++; - break; - case CWBackingPixel: - if (pWin->optional || (CARD32) *pVlist) { - if (!pWin->optional && !MakeWindowOptional (pWin)) - { - error = BadAlloc; - goto PatchUp; - } - pWin->optional->backingPixel = (CARD32) *pVlist; - if (!*pVlist) - checkOptional = TRUE; - } - pVlist++; - break; - case CWSaveUnder: - val = (BOOL) *pVlist; - pVlist++; - if ((val != xTrue) && (val != xFalse)) - { - error = BadValue; - client->errorValue = val; - goto PatchUp; - } - pWin->saveUnder = val; - break; - case CWEventMask: - rc = EventSelectForWindow(pWin, client, (Mask )*pVlist); - if (rc) - { - error = rc; - goto PatchUp; - } - pVlist++; - break; - case CWDontPropagate: - rc = EventSuppressForWindow(pWin, client, (Mask )*pVlist, - &checkOptional); - if (rc) - { - error = rc; - goto PatchUp; - } - pVlist++; - break; - case CWOverrideRedirect: - val = (BOOL ) *pVlist; - pVlist++; - if ((val != xTrue) && (val != xFalse)) - { - error = BadValue; - client->errorValue = val; - goto PatchUp; - } - if (val == xTrue) { - rc = XaceHook(XACE_RESOURCE_ACCESS, client, pWin->drawable.id, - RT_WINDOW, pWin, RT_NONE, NULL, DixGrabAccess); - if (rc != Success) { - error = rc; - client->errorValue = pWin->drawable.id; - goto PatchUp; - } - } - pWin->overrideRedirect = val; - break; - case CWColormap: - cmap = (Colormap) *pVlist; - pVlist++; - if (cmap == CopyFromParent) - { - if (pWin->parent && - (!pWin->optional || - pWin->optional->visual == wVisual (pWin->parent))) - { - cmap = wColormap (pWin->parent); - } - else - cmap = None; - } - if (cmap == None) - { - error = BadMatch; - goto PatchUp; - } - rc = dixLookupResourceByType((pointer *)&pCmap, cmap, RT_COLORMAP, - client, DixUseAccess); - if (rc != Success) - { - error = (rc == BadValue) ? BadColor : rc; - client->errorValue = cmap; - goto PatchUp; - } - if (pCmap->pVisual->vid != wVisual (pWin) || - pCmap->pScreen != pScreen) - { - error = BadMatch; - goto PatchUp; - } - if (cmap != wColormap (pWin)) - { - if (!pWin->optional) - { - if (!MakeWindowOptional (pWin)) - { - error = BadAlloc; - goto PatchUp; - } - } - else if (pWin->parent && cmap == wColormap (pWin->parent)) - checkOptional = TRUE; - - /* - * propagate the original colormap to any children - * inheriting it - */ - - for (pChild = pWin->firstChild; pChild; pChild=pChild->nextSib) - { - if (!pChild->optional && !MakeWindowOptional (pChild)) - { - error = BadAlloc; - goto PatchUp; - } - } - - pWin->optional->colormap = cmap; - - /* - * check on any children now matching the new colormap - */ - - for (pChild = pWin->firstChild; pChild; pChild=pChild->nextSib) - { - if (pChild->optional->colormap == cmap) - CheckWindowOptionalNeed (pChild); - } - - xE.u.u.type = ColormapNotify; - xE.u.colormap.window = pWin->drawable.id; - xE.u.colormap.colormap = cmap; - xE.u.colormap.new = xTrue; - xE.u.colormap.state = IsMapInstalled(cmap, pWin); - DeliverEvents(pWin, &xE, 1, NullWindow); - } - break; - case CWCursor: - cursorID = (Cursor ) *pVlist; - pVlist++; - /* - * install the new - */ - if ( cursorID == None) - { - if (pWin == WindowTable[pWin->drawable.pScreen->myNum]) - pCursor = rootCursor; - else - pCursor = (CursorPtr) None; - } - else - { - rc = dixLookupResourceByType((pointer *)&pCursor, cursorID, - RT_CURSOR, client, DixUseAccess); - if (rc != Success) - { - error = (rc == BadValue) ? BadCursor : rc; - client->errorValue = cursorID; - goto PatchUp; - } - } - - if (pCursor != wCursor (pWin)) - { - /* - * patch up child windows so they don't lose cursors. - */ - - for (pChild = pWin->firstChild; pChild; pChild=pChild->nextSib) - { - if (!pChild->optional && !pChild->cursorIsNone && - !MakeWindowOptional (pChild)) - { - error = BadAlloc; - goto PatchUp; - } - } - - pOldCursor = 0; - if (pCursor == (CursorPtr) None) - { - pWin->cursorIsNone = TRUE; - if (pWin->optional) - { - pOldCursor = pWin->optional->cursor; - pWin->optional->cursor = (CursorPtr) None; - checkOptional = TRUE; - } - } else { - if (!pWin->optional) - { - if (!MakeWindowOptional (pWin)) - { - error = BadAlloc; - goto PatchUp; - } - } - else if (pWin->parent && pCursor == wCursor (pWin->parent)) - checkOptional = TRUE; - pOldCursor = pWin->optional->cursor; - pWin->optional->cursor = pCursor; - pCursor->refcnt++; - pWin->cursorIsNone = FALSE; - /* - * check on any children now matching the new cursor - */ - - for (pChild=pWin->firstChild; pChild; pChild=pChild->nextSib) - { - if (pChild->optional && - (pChild->optional->cursor == pCursor)) - CheckWindowOptionalNeed (pChild); - } - } - - if (pWin->realized) - WindowHasNewCursor( pWin); - - /* Can't free cursor until here - old cursor - * is needed in WindowHasNewCursor - */ - if (pOldCursor) - FreeCursor (pOldCursor, (Cursor)0); - } - break; - default: - error = BadValue; - client->errorValue = vmask; - goto PatchUp; - } - vmaskCopy |= index2; - } -PatchUp: - if (checkOptional) - CheckWindowOptionalNeed (pWin); - - /* We SHOULD check for an error value here XXX */ - (*pScreen->ChangeWindowAttributes)(pWin, vmaskCopy); - - /* - If the border contents have changed, redraw the border. - Note that this has to be done AFTER pScreen->ChangeWindowAttributes - for the tile to be rotated, and the correct function selected. - */ - if (((vmaskCopy & (CWBorderPixel | CWBorderPixmap)) || borderRelative) - && pWin->viewable && HasBorder (pWin)) - { - RegionRec exposed; - - REGION_NULL(pScreen, &exposed); - REGION_SUBTRACT(pScreen, &exposed, &pWin->borderClip, &pWin->winSize); - miPaintWindow(pWin, &exposed, PW_BORDER); - REGION_UNINIT(pScreen, &exposed); - } - return error; -} - - -/***** - * GetWindowAttributes - * Notice that this is different than ChangeWindowAttributes - *****/ - -void -GetWindowAttributes(WindowPtr pWin, ClientPtr client, xGetWindowAttributesReply *wa) -{ - wa->type = X_Reply; - wa->bitGravity = pWin->bitGravity; - wa->winGravity = pWin->winGravity; - if (pWin->forcedBS && pWin->backingStore != Always) - wa->backingStore = NotUseful; - else - wa->backingStore = pWin->backingStore; - wa->length = bytes_to_int32(sizeof(xGetWindowAttributesReply) - - sizeof(xGenericReply)); - wa->sequenceNumber = client->sequence; - wa->backingBitPlanes = wBackingBitPlanes (pWin); - wa->backingPixel = wBackingPixel (pWin); - wa->saveUnder = (BOOL)pWin->saveUnder; - wa->override = pWin->overrideRedirect; - if (!pWin->mapped) - wa->mapState = IsUnmapped; - else if (pWin->realized) - wa->mapState = IsViewable; - else - wa->mapState = IsUnviewable; - - wa->colormap = wColormap (pWin); - wa->mapInstalled = (wa->colormap == None) ? xFalse - : IsMapInstalled(wa->colormap, pWin); - - wa->yourEventMask = EventMaskForClient(pWin, client); - wa->allEventMasks = pWin->eventMask | wOtherEventMasks (pWin); - wa->doNotPropagateMask = wDontPropagateMask (pWin); - wa->class = pWin->drawable.class; - wa->visualID = wVisual (pWin); -} - - -WindowPtr -MoveWindowInStack(WindowPtr pWin, WindowPtr pNextSib) -{ - WindowPtr pParent = pWin->parent; - WindowPtr pFirstChange = pWin; /* highest window where list changes */ - - if (pWin->nextSib != pNextSib) - { - WindowPtr pOldNextSib = pWin->nextSib; - - if (!pNextSib) /* move to bottom */ - { - if (pParent->firstChild == pWin) - pParent->firstChild = pWin->nextSib; - /* if (pWin->nextSib) */ /* is always True: pNextSib == NULL - * and pWin->nextSib != pNextSib - * therefore pWin->nextSib != NULL */ - pFirstChange = pWin->nextSib; - pWin->nextSib->prevSib = pWin->prevSib; - if (pWin->prevSib) - pWin->prevSib->nextSib = pWin->nextSib; - pParent->lastChild->nextSib = pWin; - pWin->prevSib = pParent->lastChild; - pWin->nextSib = NullWindow; - pParent->lastChild = pWin; - } - else if (pParent->firstChild == pNextSib) /* move to top */ - { - pFirstChange = pWin; - if (pParent->lastChild == pWin) - pParent->lastChild = pWin->prevSib; - if (pWin->nextSib) - pWin->nextSib->prevSib = pWin->prevSib; - if (pWin->prevSib) - pWin->prevSib->nextSib = pWin->nextSib; - pWin->nextSib = pParent->firstChild; - pWin->prevSib = (WindowPtr ) NULL; - pNextSib->prevSib = pWin; - pParent->firstChild = pWin; - } - else /* move in middle of list */ - { - WindowPtr pOldNext = pWin->nextSib; - - pFirstChange = NullWindow; - if (pParent->firstChild == pWin) - pFirstChange = pParent->firstChild = pWin->nextSib; - if (pParent->lastChild == pWin) { - pFirstChange = pWin; - pParent->lastChild = pWin->prevSib; - } - if (pWin->nextSib) - pWin->nextSib->prevSib = pWin->prevSib; - if (pWin->prevSib) - pWin->prevSib->nextSib = pWin->nextSib; - pWin->nextSib = pNextSib; - pWin->prevSib = pNextSib->prevSib; - if (pNextSib->prevSib) - pNextSib->prevSib->nextSib = pWin; - pNextSib->prevSib = pWin; - if (!pFirstChange) { /* do we know it yet? */ - pFirstChange = pParent->firstChild; /* no, search from top */ - while ((pFirstChange != pWin) && (pFirstChange != pOldNext)) - pFirstChange = pFirstChange->nextSib; - } - } - if(pWin->drawable.pScreen->RestackWindow) - (*pWin->drawable.pScreen->RestackWindow)(pWin, pOldNextSib); - } - -#ifdef ROOTLESS - /* - * In rootless mode we can't optimize away window restacks. - * There may be non-X windows around, so even if the window - * is in the correct position from X's point of view, - * the underlying window system may want to reorder it. - */ - else if (pWin->drawable.pScreen->RestackWindow) - (*pWin->drawable.pScreen->RestackWindow)(pWin, pWin->nextSib); -#endif - - return( pFirstChange ); -} - -void -SetWinSize (WindowPtr pWin) -{ -#ifdef COMPOSITE - if (pWin->redirectDraw != RedirectDrawNone) - { - BoxRec box; - - /* - * Redirected clients get clip list equal to their - * own geometry, not clipped to their parent - */ - box.x1 = pWin->drawable.x; - box.y1 = pWin->drawable.y; - box.x2 = pWin->drawable.x + pWin->drawable.width; - box.y2 = pWin->drawable.y + pWin->drawable.height; - REGION_RESET (pScreen, &pWin->winSize, &box); - } - else -#endif - ClippedRegionFromBox(pWin->parent, &pWin->winSize, - pWin->drawable.x, pWin->drawable.y, - (int)pWin->drawable.width, - (int)pWin->drawable.height); - if (wBoundingShape (pWin) || wClipShape (pWin)) { - ScreenPtr pScreen; - pScreen = pWin->drawable.pScreen; - - REGION_TRANSLATE(pScreen, &pWin->winSize, - pWin->drawable.x, - - pWin->drawable.y); - if (wBoundingShape (pWin)) - REGION_INTERSECT(pScreen, &pWin->winSize, &pWin->winSize, - wBoundingShape (pWin)); - if (wClipShape (pWin)) - REGION_INTERSECT(pScreen, &pWin->winSize, &pWin->winSize, - wClipShape (pWin)); - REGION_TRANSLATE(pScreen, &pWin->winSize, pWin->drawable.x, - pWin->drawable.y); - } -} - -void -SetBorderSize (WindowPtr pWin) -{ - int bw; - - if (HasBorder (pWin)) { - bw = wBorderWidth (pWin); -#ifdef COMPOSITE - if (pWin->redirectDraw != RedirectDrawNone) - { - BoxRec box; - - /* - * Redirected clients get clip list equal to their - * own geometry, not clipped to their parent - */ - box.x1 = pWin->drawable.x - bw; - box.y1 = pWin->drawable.y - bw; - box.x2 = pWin->drawable.x + pWin->drawable.width + bw; - box.y2 = pWin->drawable.y + pWin->drawable.height + bw; - REGION_RESET (pScreen, &pWin->borderSize, &box); - } - else -#endif - ClippedRegionFromBox(pWin->parent, &pWin->borderSize, - pWin->drawable.x - bw, pWin->drawable.y - bw, - (int)(pWin->drawable.width + (bw<<1)), - (int)(pWin->drawable.height + (bw<<1))); - if (wBoundingShape (pWin)) { - ScreenPtr pScreen; - pScreen = pWin->drawable.pScreen; - - REGION_TRANSLATE(pScreen, &pWin->borderSize, - pWin->drawable.x, - - pWin->drawable.y); - REGION_INTERSECT(pScreen, &pWin->borderSize, &pWin->borderSize, - wBoundingShape (pWin)); - REGION_TRANSLATE(pScreen, &pWin->borderSize, pWin->drawable.x, - pWin->drawable.y); - REGION_UNION(pScreen, &pWin->borderSize, &pWin->borderSize, - &pWin->winSize); - } - } else { - REGION_COPY(pWin->drawable.pScreen, &pWin->borderSize, - &pWin->winSize); - } -} - -/** - * - * \param x,y new window position - * \param oldx,oldy old window position - * \param destx,desty position relative to gravity - */ - -void -GravityTranslate (int x, int y, int oldx, int oldy, - int dw, int dh, unsigned gravity, - int *destx, int *desty) -{ - switch (gravity) { - case NorthGravity: - *destx = x + dw / 2; - *desty = y; - break; - case NorthEastGravity: - *destx = x + dw; - *desty = y; - break; - case WestGravity: - *destx = x; - *desty = y + dh / 2; - break; - case CenterGravity: - *destx = x + dw / 2; - *desty = y + dh / 2; - break; - case EastGravity: - *destx = x + dw; - *desty = y + dh / 2; - break; - case SouthWestGravity: - *destx = x; - *desty = y + dh; - break; - case SouthGravity: - *destx = x + dw / 2; - *desty = y + dh; - break; - case SouthEastGravity: - *destx = x + dw; - *desty = y + dh; - break; - case StaticGravity: - *destx = oldx; - *desty = oldy; - break; - default: - *destx = x; - *desty = y; - break; - } -} - -/* XXX need to retile border on each window with ParentRelative origin */ -void -ResizeChildrenWinSize(WindowPtr pWin, int dx, int dy, int dw, int dh) -{ - ScreenPtr pScreen; - WindowPtr pSib, pChild; - Bool resized = (dw || dh); - - pScreen = pWin->drawable.pScreen; - - for (pSib = pWin->firstChild; pSib; pSib = pSib->nextSib) - { - if (resized && (pSib->winGravity > NorthWestGravity)) - { - int cwsx, cwsy; - - cwsx = pSib->origin.x; - cwsy = pSib->origin.y; - GravityTranslate (cwsx, cwsy, cwsx - dx, cwsy - dy, dw, dh, - pSib->winGravity, &cwsx, &cwsy); - if (cwsx != pSib->origin.x || cwsy != pSib->origin.y) - { - xEvent event; - - event.u.u.type = GravityNotify; - event.u.gravity.window = pSib->drawable.id; - event.u.gravity.x = cwsx - wBorderWidth (pSib); - event.u.gravity.y = cwsy - wBorderWidth (pSib); - DeliverEvents (pSib, &event, 1, NullWindow); - pSib->origin.x = cwsx; - pSib->origin.y = cwsy; - } - } - pSib->drawable.x = pWin->drawable.x + pSib->origin.x; - pSib->drawable.y = pWin->drawable.y + pSib->origin.y; - SetWinSize (pSib); - SetBorderSize (pSib); - (*pScreen->PositionWindow)(pSib, pSib->drawable.x, pSib->drawable.y); - - if ( (pChild = pSib->firstChild) ) - { - while (1) - { - pChild->drawable.x = pChild->parent->drawable.x + - pChild->origin.x; - pChild->drawable.y = pChild->parent->drawable.y + - pChild->origin.y; - SetWinSize (pChild); - SetBorderSize (pChild); - (*pScreen->PositionWindow)(pChild, - pChild->drawable.x, pChild->drawable.y); - if (pChild->firstChild) - { - pChild = pChild->firstChild; - continue; - } - while (!pChild->nextSib && (pChild != pSib)) - pChild = pChild->parent; - if (pChild == pSib) - break; - pChild = pChild->nextSib; - } - } - } -} - -#define GET_INT16(m, f) \ - if (m & mask) \ - { \ - f = (INT16) *pVlist;\ - pVlist++; \ - } -#define GET_CARD16(m, f) \ - if (m & mask) \ - { \ - f = (CARD16) *pVlist;\ - pVlist++;\ - } - -#define GET_CARD8(m, f) \ - if (m & mask) \ - { \ - f = (CARD8) *pVlist;\ - pVlist++;\ - } - -#define ChangeMask ((Mask)(CWX | CWY | CWWidth | CWHeight)) - -#define IllegalInputOnlyConfigureMask (CWBorderWidth) - -/* - * IsSiblingAboveMe - * returns Above if pSib above pMe in stack or Below otherwise - */ - -static int -IsSiblingAboveMe( - WindowPtr pMe, - WindowPtr pSib) -{ - WindowPtr pWin; - - pWin = pMe->parent->firstChild; - while (pWin) - { - if (pWin == pSib) - return(Above); - else if (pWin == pMe) - return(Below); - pWin = pWin->nextSib; - } - return(Below); -} - -static BoxPtr -WindowExtents( - WindowPtr pWin, - BoxPtr pBox) -{ - pBox->x1 = pWin->drawable.x - wBorderWidth (pWin); - pBox->y1 = pWin->drawable.y - wBorderWidth (pWin); - pBox->x2 = pWin->drawable.x + (int)pWin->drawable.width - + wBorderWidth (pWin); - pBox->y2 = pWin->drawable.y + (int)pWin->drawable.height - + wBorderWidth (pWin); - return(pBox); -} - -#define IS_SHAPED(pWin) (wBoundingShape (pWin) != (RegionPtr) NULL) - -static RegionPtr -MakeBoundingRegion ( - WindowPtr pWin, - BoxPtr pBox) -{ - RegionPtr pRgn; - ScreenPtr pScreen; - pScreen = pWin->drawable.pScreen; - - pRgn = REGION_CREATE(pScreen, pBox, 1); - if (wBoundingShape (pWin)) { - REGION_TRANSLATE(pScreen, pRgn, -pWin->origin.x, - -pWin->origin.y); - REGION_INTERSECT(pScreen, pRgn, pRgn, wBoundingShape (pWin)); - REGION_TRANSLATE(pScreen, pRgn, pWin->origin.x, - pWin->origin.y); - } - return pRgn; -} - -static Bool -ShapeOverlap ( - WindowPtr pWin, - BoxPtr pWinBox, - WindowPtr pSib, - BoxPtr pSibBox) -{ - RegionPtr pWinRgn, pSibRgn; - ScreenPtr pScreen; - Bool ret; - - if (!IS_SHAPED(pWin) && !IS_SHAPED(pSib)) - return TRUE; - pScreen = pWin->drawable.pScreen; - pWinRgn = MakeBoundingRegion (pWin, pWinBox); - pSibRgn = MakeBoundingRegion (pSib, pSibBox); - REGION_INTERSECT(pScreen, pWinRgn, pWinRgn, pSibRgn); - ret = REGION_NOTEMPTY(pScreen, pWinRgn); - REGION_DESTROY(pScreen, pWinRgn); - REGION_DESTROY(pScreen, pSibRgn); - return ret; -} - -static Bool -AnyWindowOverlapsMe( - WindowPtr pWin, - WindowPtr pHead, - BoxPtr box) -{ - WindowPtr pSib; - BoxRec sboxrec; - BoxPtr sbox; - - for (pSib = pWin->prevSib; pSib != pHead; pSib = pSib->prevSib) - { - if (pSib->mapped) - { - sbox = WindowExtents(pSib, &sboxrec); - if (BOXES_OVERLAP(sbox, box) - && ShapeOverlap (pWin, box, pSib, sbox) - ) - return(TRUE); - } - } - return(FALSE); -} - -static Bool -IOverlapAnyWindow( - WindowPtr pWin, - BoxPtr box) -{ - WindowPtr pSib; - BoxRec sboxrec; - BoxPtr sbox; - - for (pSib = pWin->nextSib; pSib; pSib = pSib->nextSib) - { - if (pSib->mapped) - { - sbox = WindowExtents(pSib, &sboxrec); - if (BOXES_OVERLAP(sbox, box) - && ShapeOverlap (pWin, box, pSib, sbox) - ) - return(TRUE); - } - } - return(FALSE); -} - -/* - * WhereDoIGoInTheStack() - * Given pWin and pSib and the relationshipe smode, return - * the window that pWin should go ABOVE. - * If a pSib is specified: - * Above: pWin is placed just above pSib - * Below: pWin is placed just below pSib - * TopIf: if pSib occludes pWin, then pWin is placed - * at the top of the stack - * BottomIf: if pWin occludes pSib, then pWin is - * placed at the bottom of the stack - * Opposite: if pSib occludes pWin, then pWin is placed at the - * top of the stack, else if pWin occludes pSib, then - * pWin is placed at the bottom of the stack - * - * If pSib is NULL: - * Above: pWin is placed at the top of the stack - * Below: pWin is placed at the bottom of the stack - * TopIf: if any sibling occludes pWin, then pWin is placed at - * the top of the stack - * BottomIf: if pWin occludes any sibline, then pWin is placed at - * the bottom of the stack - * Opposite: if any sibling occludes pWin, then pWin is placed at - * the top of the stack, else if pWin occludes any - * sibling, then pWin is placed at the bottom of the stack - * - */ - -static WindowPtr -WhereDoIGoInTheStack( - WindowPtr pWin, - WindowPtr pSib, - short x, - short y, - unsigned short w, - unsigned short h, - int smode) -{ - BoxRec box; - ScreenPtr pScreen; - WindowPtr pHead, pFirst; - - if ((pWin == pWin->parent->firstChild) && - (pWin == pWin->parent->lastChild)) - return((WindowPtr ) NULL); - pHead = RealChildHead(pWin->parent); - pFirst = pHead ? pHead->nextSib : pWin->parent->firstChild; - pScreen = pWin->drawable.pScreen; - box.x1 = x; - box.y1 = y; - box.x2 = x + (int)w; - box.y2 = y + (int)h; - switch (smode) - { - case Above: - if (pSib) - return(pSib); - else if (pWin == pFirst) - return(pWin->nextSib); - else - return(pFirst); - case Below: - if (pSib) - if (pSib->nextSib != pWin) - return(pSib->nextSib); - else - return(pWin->nextSib); - else - return NullWindow; - case TopIf: - if ((!pWin->mapped || (pSib && !pSib->mapped))) - return(pWin->nextSib); - else if (pSib) - { - if ((IsSiblingAboveMe(pWin, pSib) == Above) && - (RECT_IN_REGION(pScreen, &pSib->borderSize, &box) != rgnOUT)) - return(pFirst); - else - return(pWin->nextSib); - } - else if (AnyWindowOverlapsMe(pWin, pHead, &box)) - return(pFirst); - else - return(pWin->nextSib); - case BottomIf: - if ((!pWin->mapped || (pSib && !pSib->mapped))) - return(pWin->nextSib); - else if (pSib) - { - if ((IsSiblingAboveMe(pWin, pSib) == Below) && - (RECT_IN_REGION(pScreen, &pSib->borderSize, &box) != rgnOUT)) - return NullWindow; - else - return(pWin->nextSib); - } - else if (IOverlapAnyWindow(pWin, &box)) - return NullWindow; - else - return(pWin->nextSib); - case Opposite: - if ((!pWin->mapped || (pSib && !pSib->mapped))) - return(pWin->nextSib); - else if (pSib) - { - if (RECT_IN_REGION(pScreen, &pSib->borderSize, &box) != rgnOUT) - { - if (IsSiblingAboveMe(pWin, pSib) == Above) - return(pFirst); - else - return NullWindow; - } - else - return(pWin->nextSib); - } - else if (AnyWindowOverlapsMe(pWin, pHead, &box)) - { - /* If I'm occluded, I can't possibly be the first child - * if (pWin == pWin->parent->firstChild) - * return pWin->nextSib; - */ - return(pFirst); - } - else if (IOverlapAnyWindow(pWin, &box)) - return NullWindow; - else - return pWin->nextSib; - default: - { - /* should never happen; make something up. */ - return pWin->nextSib; - } - } -} - -static void -ReflectStackChange( - WindowPtr pWin, - WindowPtr pSib, - VTKind kind) -{ -/* Note that pSib might be NULL */ - - Bool WasViewable = (Bool)pWin->viewable; - Bool anyMarked; - WindowPtr pFirstChange; - WindowPtr pLayerWin; - ScreenPtr pScreen = pWin->drawable.pScreen; - - /* if this is a root window, can't be restacked */ - if (!pWin->parent) - return; - - pFirstChange = MoveWindowInStack(pWin, pSib); - - if (WasViewable) - { - anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pFirstChange, - &pLayerWin); - if (pLayerWin != pWin) pFirstChange = pLayerWin; - if (anyMarked) - { - (*pScreen->ValidateTree)(pLayerWin->parent, pFirstChange, kind); - (*pScreen->HandleExposures)(pLayerWin->parent); - } - if (anyMarked && pWin->drawable.pScreen->PostValidateTree) - (*pScreen->PostValidateTree)(pLayerWin->parent, pFirstChange, kind); - } - if (pWin->realized) - WindowsRestructured (); -} - -/***** - * ConfigureWindow - *****/ - -int -ConfigureWindow(WindowPtr pWin, Mask mask, XID *vlist, ClientPtr client) -{ -#define RESTACK_WIN 0 -#define MOVE_WIN 1 -#define RESIZE_WIN 2 -#define REBORDER_WIN 3 - WindowPtr pSib = NullWindow; - WindowPtr pParent = pWin->parent; - Window sibwid = 0; - Mask index2, tmask; - XID *pVlist; - short x, y, beforeX, beforeY; - unsigned short w = pWin->drawable.width, - h = pWin->drawable.height, - bw = pWin->borderWidth; - int rc, action, smode = Above; - xEvent event; - - if ((pWin->drawable.class == InputOnly) && (mask & IllegalInputOnlyConfigureMask)) - return(BadMatch); - - if ((mask & CWSibling) && !(mask & CWStackMode)) - return(BadMatch); - - pVlist = vlist; - - if (pParent) - { - x = pWin->drawable.x - pParent->drawable.x - (int)bw; - y = pWin->drawable.y - pParent->drawable.y - (int)bw; - } - else - { - x = pWin->drawable.x; - y = pWin->drawable.y; - } - beforeX = x; - beforeY = y; - action = RESTACK_WIN; - if ((mask & (CWX | CWY)) && (!(mask & (CWHeight | CWWidth)))) - { - GET_INT16(CWX, x); - GET_INT16(CWY, y); - action = MOVE_WIN; - } - /* or should be resized */ - else if (mask & (CWX | CWY | CWWidth | CWHeight)) - { - GET_INT16(CWX, x); - GET_INT16(CWY, y); - GET_CARD16(CWWidth, w); - GET_CARD16 (CWHeight, h); - if (!w || !h) - { - client->errorValue = 0; - return BadValue; - } - action = RESIZE_WIN; - } - tmask = mask & ~ChangeMask; - while (tmask) - { - index2 = (Mask)lowbit (tmask); - tmask &= ~index2; - switch (index2) - { - case CWBorderWidth: - GET_CARD16(CWBorderWidth, bw); - break; - case CWSibling: - sibwid = (Window ) *pVlist; - pVlist++; - rc = dixLookupWindow(&pSib, sibwid, client, DixGetAttrAccess); - if (rc != Success) - { - client->errorValue = sibwid; - return rc; - } - if (pSib->parent != pParent) - return(BadMatch); - if (pSib == pWin) - return(BadMatch); - break; - case CWStackMode: - GET_CARD8(CWStackMode, smode); - if ((smode != TopIf) && (smode != BottomIf) && - (smode != Opposite) && (smode != Above) && (smode != Below)) - { - client->errorValue = smode; - return(BadValue); - } - break; - default: - client->errorValue = mask; - return(BadValue); - } - } - /* root really can't be reconfigured, so just return */ - if (!pParent) - return Success; - - /* Figure out if the window should be moved. Doesnt - make the changes to the window if event sent */ - - if (mask & CWStackMode) - pSib = WhereDoIGoInTheStack(pWin, pSib, pParent->drawable.x + x, - pParent->drawable.y + y, - w + (bw << 1), h + (bw << 1), smode); - else - pSib = pWin->nextSib; - - - if ((!pWin->overrideRedirect) && - (RedirectSend(pParent) - )) - { - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = ConfigureRequest; - event.u.configureRequest.window = pWin->drawable.id; - if (mask & CWSibling) - event.u.configureRequest.sibling = sibwid; - else - event.u.configureRequest.sibling = None; - if (mask & CWStackMode) - event.u.u.detail = smode; - else - event.u.u.detail = Above; - event.u.configureRequest.x = x; - event.u.configureRequest.y = y; -#ifdef PANORAMIX - if(!noPanoramiXExtension && (!pParent || !pParent->parent)) { - event.u.configureRequest.x += panoramiXdataPtr[0].x; - event.u.configureRequest.y += panoramiXdataPtr[0].y; - } -#endif - event.u.configureRequest.width = w; - event.u.configureRequest.height = h; - event.u.configureRequest.borderWidth = bw; - event.u.configureRequest.valueMask = mask; - event.u.configureRequest.parent = pParent->drawable.id; - if (MaybeDeliverEventsToClient(pParent, &event, 1, - SubstructureRedirectMask, client) == 1) - return(Success); - } - if (action == RESIZE_WIN) - { - Bool size_change = (w != pWin->drawable.width) - || (h != pWin->drawable.height); - if (size_change && ((pWin->eventMask|wOtherEventMasks(pWin)) & ResizeRedirectMask)) - { - xEvent eventT; - memset(&eventT, 0, sizeof(xEvent)); - eventT.u.u.type = ResizeRequest; - eventT.u.resizeRequest.window = pWin->drawable.id; - eventT.u.resizeRequest.width = w; - eventT.u.resizeRequest.height = h; - if (MaybeDeliverEventsToClient(pWin, &eventT, 1, - ResizeRedirectMask, client) == 1) - { - /* if event is delivered, leave the actual size alone. */ - w = pWin->drawable.width; - h = pWin->drawable.height; - size_change = FALSE; - } - } - if (!size_change) - { - if (mask & (CWX | CWY)) - action = MOVE_WIN; - else if (mask & (CWStackMode | CWBorderWidth)) - action = RESTACK_WIN; - else /* really nothing to do */ - return(Success) ; - } - } - - if (action == RESIZE_WIN) - /* we've already checked whether there's really a size change */ - goto ActuallyDoSomething; - if ((mask & CWX) && (x != beforeX)) - goto ActuallyDoSomething; - if ((mask & CWY) && (y != beforeY)) - goto ActuallyDoSomething; - if ((mask & CWBorderWidth) && (bw != wBorderWidth (pWin))) - goto ActuallyDoSomething; - if (mask & CWStackMode) - { -#ifndef ROOTLESS - /* See above for why we always reorder in rootless mode. */ - if (pWin->nextSib != pSib) -#endif - goto ActuallyDoSomething; - } - return(Success); - -ActuallyDoSomething: - if (pWin->drawable.pScreen->ConfigNotify) - (*pWin->drawable.pScreen->ConfigNotify)(pWin, x, y, w, h, bw, pSib); - - if (SubStrSend(pWin, pParent)) - { - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = ConfigureNotify; - event.u.configureNotify.window = pWin->drawable.id; - if (pSib) - event.u.configureNotify.aboveSibling = pSib->drawable.id; - else - event.u.configureNotify.aboveSibling = None; - event.u.configureNotify.x = x; - event.u.configureNotify.y = y; -#ifdef PANORAMIX - if(!noPanoramiXExtension && (!pParent || !pParent->parent)) { - event.u.configureNotify.x += panoramiXdataPtr[0].x; - event.u.configureNotify.y += panoramiXdataPtr[0].y; - } -#endif - event.u.configureNotify.width = w; - event.u.configureNotify.height = h; - event.u.configureNotify.borderWidth = bw; - event.u.configureNotify.override = pWin->overrideRedirect; - DeliverEvents(pWin, &event, 1, NullWindow); - } - if (mask & CWBorderWidth) - { - if (action == RESTACK_WIN) - { - action = MOVE_WIN; - pWin->borderWidth = bw; - } - else if ((action == MOVE_WIN) && - (beforeX + wBorderWidth (pWin) == x + (int)bw) && - (beforeY + wBorderWidth (pWin) == y + (int)bw)) - { - action = REBORDER_WIN; - (*pWin->drawable.pScreen->ChangeBorderWidth)(pWin, bw); - } - else - pWin->borderWidth = bw; - } - if (action == MOVE_WIN) - (*pWin->drawable.pScreen->MoveWindow)(pWin, x, y, pSib, - (mask & CWBorderWidth) ? VTOther : VTMove); - else if (action == RESIZE_WIN) - (*pWin->drawable.pScreen->ResizeWindow)(pWin, x, y, w, h, pSib); - else if (mask & CWStackMode) - ReflectStackChange(pWin, pSib, VTOther); - - if (action != RESTACK_WIN) - CheckCursorConfinement(pWin); - return(Success); -#undef RESTACK_WIN -#undef MOVE_WIN -#undef RESIZE_WIN -#undef REBORDER_WIN -} - - -/****** - * - * CirculateWindow - * For RaiseLowest, raises the lowest mapped child (if any) that is - * obscured by another child to the top of the stack. For LowerHighest, - * lowers the highest mapped child (if any) that is obscuring another - * child to the bottom of the stack. Exposure processing is performed - * - ******/ - -int -CirculateWindow(WindowPtr pParent, int direction, ClientPtr client) -{ - WindowPtr pWin, pHead, pFirst; - xEvent event; - BoxRec box; - - pHead = RealChildHead(pParent); - pFirst = pHead ? pHead->nextSib : pParent->firstChild; - if (direction == RaiseLowest) - { - for (pWin = pParent->lastChild; - (pWin != pHead) && - !(pWin->mapped && - AnyWindowOverlapsMe(pWin, pHead, WindowExtents(pWin, &box))); - pWin = pWin->prevSib) ; - if (pWin == pHead) - return Success; - } - else - { - for (pWin = pFirst; - pWin && - !(pWin->mapped && - IOverlapAnyWindow(pWin, WindowExtents(pWin, &box))); - pWin = pWin->nextSib) ; - if (!pWin) - return Success; - } - - event.u.circulate.window = pWin->drawable.id; - event.u.circulate.parent = pParent->drawable.id; - event.u.circulate.event = pParent->drawable.id; - if (direction == RaiseLowest) - event.u.circulate.place = PlaceOnTop; - else - event.u.circulate.place = PlaceOnBottom; - - if (RedirectSend(pParent)) - { - event.u.u.type = CirculateRequest; - if (MaybeDeliverEventsToClient(pParent, &event, 1, - SubstructureRedirectMask, client) == 1) - return(Success); - } - - event.u.u.type = CirculateNotify; - DeliverEvents(pWin, &event, 1, NullWindow); - ReflectStackChange(pWin, - (direction == RaiseLowest) ? pFirst : NullWindow, - VTStack); - - return(Success); -} - -static int -CompareWIDs( - WindowPtr pWin, - pointer value) /* must conform to VisitWindowProcPtr */ -{ - Window *wid = (Window *)value; - - if (pWin->drawable.id == *wid) - return(WT_STOPWALKING); - else - return(WT_WALKCHILDREN); -} - -/***** - * ReparentWindow - *****/ - -int -ReparentWindow(WindowPtr pWin, WindowPtr pParent, - int x, int y, ClientPtr client) -{ - WindowPtr pPrev, pPriorParent; - Bool WasMapped = (Bool)(pWin->mapped); - xEvent event; - int bw = wBorderWidth (pWin); - ScreenPtr pScreen; - - pScreen = pWin->drawable.pScreen; - if (TraverseTree(pWin, CompareWIDs, (pointer)&pParent->drawable.id) == WT_STOPWALKING) - return(BadMatch); - if (!MakeWindowOptional(pWin)) - return(BadAlloc); - - if (WasMapped) - UnmapWindow(pWin, FALSE); - - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = ReparentNotify; - event.u.reparent.window = pWin->drawable.id; - event.u.reparent.parent = pParent->drawable.id; - event.u.reparent.x = x; - event.u.reparent.y = y; -#ifdef PANORAMIX - if(!noPanoramiXExtension && !pParent->parent) { - event.u.reparent.x += panoramiXdataPtr[0].x; - event.u.reparent.y += panoramiXdataPtr[0].y; - } -#endif - event.u.reparent.override = pWin->overrideRedirect; - DeliverEvents(pWin, &event, 1, pParent); - - /* take out of sibling chain */ - - pPriorParent = pPrev = pWin->parent; - if (pPrev->firstChild == pWin) - pPrev->firstChild = pWin->nextSib; - if (pPrev->lastChild == pWin) - pPrev->lastChild = pWin->prevSib; - - if (pWin->nextSib) - pWin->nextSib->prevSib = pWin->prevSib; - if (pWin->prevSib) - pWin->prevSib->nextSib = pWin->nextSib; - - /* insert at begining of pParent */ - pWin->parent = pParent; - pPrev = RealChildHead(pParent); - if (pPrev) - { - pWin->nextSib = pPrev->nextSib; - if (pPrev->nextSib) - pPrev->nextSib->prevSib = pWin; - else - pParent->lastChild = pWin; - pPrev->nextSib = pWin; - pWin->prevSib = pPrev; - } - else - { - pWin->nextSib = pParent->firstChild; - pWin->prevSib = NullWindow; - if (pParent->firstChild) - pParent->firstChild->prevSib = pWin; - else - pParent->lastChild = pWin; - pParent->firstChild = pWin; - } - - pWin->origin.x = x + bw; - pWin->origin.y = y + bw; - pWin->drawable.x = x + bw + pParent->drawable.x; - pWin->drawable.y = y + bw + pParent->drawable.y; - - /* clip to parent */ - SetWinSize (pWin); - SetBorderSize (pWin); - - if (pScreen->ReparentWindow) - (*pScreen->ReparentWindow)(pWin, pPriorParent); - (*pScreen->PositionWindow)(pWin, pWin->drawable.x, pWin->drawable.y); - ResizeChildrenWinSize(pWin, 0, 0, 0, 0); - - CheckWindowOptionalNeed(pWin); - - if (WasMapped) - MapWindow(pWin, client); - RecalculateDeliverableEvents(pWin); - return(Success); -} - -static void -RealizeTree(WindowPtr pWin) -{ - WindowPtr pChild; - RealizeWindowProcPtr Realize; - - Realize = pWin->drawable.pScreen->RealizeWindow; - pChild = pWin; - while (1) - { - if (pChild->mapped) - { - pChild->realized = TRUE; - pChild->viewable = (pChild->drawable.class == InputOutput); - (* Realize)(pChild); - if (pChild->firstChild) - { - pChild = pChild->firstChild; - continue; - } - } - while (!pChild->nextSib && (pChild != pWin)) - pChild = pChild->parent; - if (pChild == pWin) - return; - pChild = pChild->nextSib; - } -} - -static WindowPtr windowDisableMapUnmapEvents; - -void -DisableMapUnmapEvents(WindowPtr pWin) -{ - assert (windowDisableMapUnmapEvents == NULL); - - windowDisableMapUnmapEvents = pWin; -} - -void -EnableMapUnmapEvents(WindowPtr pWin) -{ - assert (windowDisableMapUnmapEvents != NULL); - - windowDisableMapUnmapEvents = NULL; -} - -static Bool -MapUnmapEventsEnabled(WindowPtr pWin) -{ - return pWin != windowDisableMapUnmapEvents; -} - -/***** - * MapWindow - * If some other client has selected SubStructureReDirect on the parent - * and override-redirect is xFalse, then a MapRequest event is generated, - * but the window remains unmapped. Otherwise, the window is mapped and a - * MapNotify event is generated. - *****/ - -int -MapWindow(WindowPtr pWin, ClientPtr client) -{ - ScreenPtr pScreen; - - WindowPtr pParent; - WindowPtr pLayerWin; - - if (pWin->mapped) - return(Success); - - /* general check for permission to map window */ - if (XaceHook(XACE_RESOURCE_ACCESS, client, pWin->drawable.id, RT_WINDOW, - pWin, RT_NONE, NULL, DixShowAccess) != Success) - return Success; - - pScreen = pWin->drawable.pScreen; - if ( (pParent = pWin->parent) ) - { - xEvent event; - Bool anyMarked; - - if ((!pWin->overrideRedirect) && - (RedirectSend(pParent) - )) - { - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = MapRequest; - event.u.mapRequest.window = pWin->drawable.id; - event.u.mapRequest.parent = pParent->drawable.id; - - if (MaybeDeliverEventsToClient(pParent, &event, 1, - SubstructureRedirectMask, client) == 1) - return(Success); - } - - pWin->mapped = TRUE; - if (SubStrSend(pWin, pParent) && MapUnmapEventsEnabled(pWin)) - { - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = MapNotify; - event.u.mapNotify.window = pWin->drawable.id; - event.u.mapNotify.override = pWin->overrideRedirect; - DeliverEvents(pWin, &event, 1, NullWindow); - } - - if (!pParent->realized) - return(Success); - RealizeTree(pWin); - if (pWin->viewable) - { - anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pWin, - &pLayerWin); - if (anyMarked) - { - (*pScreen->ValidateTree)(pLayerWin->parent, pLayerWin, VTMap); - (*pScreen->HandleExposures)(pLayerWin->parent); - } - if (anyMarked && pScreen->PostValidateTree) - (*pScreen->PostValidateTree)(pLayerWin->parent, pLayerWin, VTMap); - } - WindowsRestructured (); - } - else - { - RegionRec temp; - - pWin->mapped = TRUE; - pWin->realized = TRUE; /* for roots */ - pWin->viewable = pWin->drawable.class == InputOutput; - /* We SHOULD check for an error value here XXX */ - (*pScreen->RealizeWindow)(pWin); - if (pScreen->ClipNotify) - (*pScreen->ClipNotify) (pWin, 0, 0); - if (pScreen->PostValidateTree) - (*pScreen->PostValidateTree)(NullWindow, pWin, VTMap); - REGION_NULL(pScreen, &temp); - REGION_COPY(pScreen, &temp, &pWin->clipList); - (*pScreen->WindowExposures) (pWin, &temp, NullRegion); - REGION_UNINIT(pScreen, &temp); - } - - return(Success); -} - - -/***** - * MapSubwindows - * Performs a MapWindow all unmapped children of the window, in top - * to bottom stacking order. - *****/ - -void -MapSubwindows(WindowPtr pParent, ClientPtr client) -{ - WindowPtr pWin; - WindowPtr pFirstMapped = NullWindow; - ScreenPtr pScreen; - Mask parentRedirect; - Mask parentNotify; - xEvent event; - Bool anyMarked; - WindowPtr pLayerWin; - - pScreen = pParent->drawable.pScreen; - parentRedirect = RedirectSend(pParent); - parentNotify = SubSend(pParent); - anyMarked = FALSE; - for (pWin = pParent->firstChild; pWin; pWin = pWin->nextSib) - { - if (!pWin->mapped) - { - if (parentRedirect && !pWin->overrideRedirect) - { - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = MapRequest; - event.u.mapRequest.window = pWin->drawable.id; - event.u.mapRequest.parent = pParent->drawable.id; - - if (MaybeDeliverEventsToClient(pParent, &event, 1, - SubstructureRedirectMask, client) == 1) - continue; - } - - pWin->mapped = TRUE; - if (parentNotify || StrSend(pWin)) - { - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = MapNotify; - event.u.mapNotify.window = pWin->drawable.id; - event.u.mapNotify.override = pWin->overrideRedirect; - DeliverEvents(pWin, &event, 1, NullWindow); - } - - if (!pFirstMapped) - pFirstMapped = pWin; - if (pParent->realized) - { - RealizeTree(pWin); - if (pWin->viewable) - { - anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pWin, - (WindowPtr *)NULL); - } - } - } - } - - if (pFirstMapped) - { - pLayerWin = (*pScreen->GetLayerWindow)(pParent); - if (pLayerWin->parent != pParent) { - anyMarked |= (*pScreen->MarkOverlappedWindows)(pLayerWin, - pLayerWin, - (WindowPtr *)NULL); - pFirstMapped = pLayerWin; - } - if (anyMarked) - { - (*pScreen->ValidateTree)(pLayerWin->parent, pFirstMapped, VTMap); - (*pScreen->HandleExposures)(pLayerWin->parent); - } - if (anyMarked && pScreen->PostValidateTree) - (*pScreen->PostValidateTree)(pLayerWin->parent, pFirstMapped, - VTMap); - WindowsRestructured (); - } -} - -static void -UnrealizeTree( - WindowPtr pWin, - Bool fromConfigure) -{ - WindowPtr pChild; - UnrealizeWindowProcPtr Unrealize; - MarkUnrealizedWindowProcPtr MarkUnrealizedWindow; - - Unrealize = pWin->drawable.pScreen->UnrealizeWindow; - MarkUnrealizedWindow = pWin->drawable.pScreen->MarkUnrealizedWindow; - pChild = pWin; - while (1) - { - if (pChild->realized) - { - pChild->realized = FALSE; - pChild->visibility = VisibilityNotViewable; -#ifdef PANORAMIX - if(!noPanoramiXExtension && !pChild->drawable.pScreen->myNum) { - PanoramiXRes *win; - int rc = dixLookupResourceByType((pointer *)&win, - pChild->drawable.id, XRT_WINDOW, - serverClient, DixWriteAccess); - if (rc == Success) - win->u.win.visibility = VisibilityNotViewable; - } -#endif - (* Unrealize)(pChild); - if (MapUnmapEventsEnabled(pWin)) - DeleteWindowFromAnyEvents(pChild, FALSE); - if (pChild->viewable) - { - pChild->viewable = FALSE; - (* MarkUnrealizedWindow)(pChild, pWin, fromConfigure); - pChild->drawable.serialNumber = NEXT_SERIAL_NUMBER; - } - if (pChild->firstChild) - { - pChild = pChild->firstChild; - continue; - } - } - while (!pChild->nextSib && (pChild != pWin)) - pChild = pChild->parent; - if (pChild == pWin) - return; - pChild = pChild->nextSib; - } -} - -/***** - * UnmapWindow - * If the window is already unmapped, this request has no effect. - * Otherwise, the window is unmapped and an UnMapNotify event is - * generated. Cannot unmap a root window. - *****/ - -int -UnmapWindow(WindowPtr pWin, Bool fromConfigure) -{ - WindowPtr pParent; - xEvent event; - Bool wasRealized = (Bool)pWin->realized; - Bool wasViewable = (Bool)pWin->viewable; - ScreenPtr pScreen = pWin->drawable.pScreen; - WindowPtr pLayerWin = pWin; - - if ((!pWin->mapped) || (!(pParent = pWin->parent))) - return(Success); - if (SubStrSend(pWin, pParent) && MapUnmapEventsEnabled(pWin)) - { - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = UnmapNotify; - event.u.unmapNotify.window = pWin->drawable.id; - event.u.unmapNotify.fromConfigure = fromConfigure; - DeliverEvents(pWin, &event, 1, NullWindow); - } - if (wasViewable && !fromConfigure) - { - pWin->valdata = UnmapValData; - (*pScreen->MarkOverlappedWindows)(pWin, pWin->nextSib, &pLayerWin); - (*pScreen->MarkWindow)(pLayerWin->parent); - } - pWin->mapped = FALSE; - if (wasRealized) - UnrealizeTree(pWin, fromConfigure); - if (wasViewable) - { - if (!fromConfigure) - { - (*pScreen->ValidateTree)(pLayerWin->parent, pWin, VTUnmap); - (*pScreen->HandleExposures)(pLayerWin->parent); - } - if (!fromConfigure && pScreen->PostValidateTree) - (*pScreen->PostValidateTree)(pLayerWin->parent, pWin, VTUnmap); - } - if (wasRealized && !fromConfigure) - WindowsRestructured (); - return(Success); -} - -/***** - * UnmapSubwindows - * Performs an UnmapWindow request with the specified mode on all mapped - * children of the window, in bottom to top stacking order. - *****/ - -void -UnmapSubwindows(WindowPtr pWin) -{ - WindowPtr pChild, pHead; - xEvent event; - Bool wasRealized = (Bool)pWin->realized; - Bool wasViewable = (Bool)pWin->viewable; - Bool anyMarked = FALSE; - Mask parentNotify; - WindowPtr pLayerWin = NULL; - ScreenPtr pScreen = pWin->drawable.pScreen; - - if (!pWin->firstChild) - return; - parentNotify = SubSend(pWin); - pHead = RealChildHead(pWin); - - if (wasViewable) - pLayerWin = (*pScreen->GetLayerWindow)(pWin); - - for (pChild = pWin->lastChild; pChild != pHead; pChild = pChild->prevSib) - { - if (pChild->mapped) - { - if (parentNotify || StrSend(pChild)) - { - event.u.u.type = UnmapNotify; - event.u.unmapNotify.window = pChild->drawable.id; - event.u.unmapNotify.fromConfigure = xFalse; - DeliverEvents(pChild, &event, 1, NullWindow); - } - if (pChild->viewable) - { - pChild->valdata = UnmapValData; - anyMarked = TRUE; - } - pChild->mapped = FALSE; - if (pChild->realized) - UnrealizeTree(pChild, FALSE); - if (wasViewable) - { - } - } - } - if (wasViewable) - { - if (anyMarked) - { - if (pLayerWin->parent == pWin) - (*pScreen->MarkWindow)(pWin); - else - { - WindowPtr ptmp; - (*pScreen->MarkOverlappedWindows)(pWin, pLayerWin, - (WindowPtr *)NULL); - (*pScreen->MarkWindow)(pLayerWin->parent); - - /* Windows between pWin and pLayerWin may not have been marked */ - ptmp = pWin; - - while (ptmp != pLayerWin->parent) - { - (*pScreen->MarkWindow)(ptmp); - ptmp = ptmp->parent; - } - pHead = pWin->firstChild; - } - (*pScreen->ValidateTree)(pLayerWin->parent, pHead, VTUnmap); - (*pScreen->HandleExposures)(pLayerWin->parent); - } - if (anyMarked && pScreen->PostValidateTree) - (*pScreen->PostValidateTree)(pLayerWin->parent, pHead, VTUnmap); - } - if (wasRealized) - WindowsRestructured (); -} - - -void -HandleSaveSet(ClientPtr client) -{ - WindowPtr pParent, pWin; - int j; - - for (j=0; j<client->numSaved; j++) - { - pWin = SaveSetWindow(client->saveSet[j]); -#ifdef XFIXES - if (SaveSetToRoot(client->saveSet[j])) - pParent = WindowTable[pWin->drawable.pScreen->myNum]; - else -#endif - { - pParent = pWin->parent; - while (pParent && (wClient (pParent) == client)) - pParent = pParent->parent; - } - if (pParent) - { - if (pParent != pWin->parent) - { -#ifdef XFIXES - /* unmap first so that ReparentWindow doesn't remap */ - if (!SaveSetShouldMap (client->saveSet[j])) - UnmapWindow(pWin, FALSE); -#endif - ReparentWindow(pWin, pParent, - pWin->drawable.x - wBorderWidth (pWin) - pParent->drawable.x, - pWin->drawable.y - wBorderWidth (pWin) - pParent->drawable.y, - client); - if(!pWin->realized && pWin->mapped) - pWin->mapped = FALSE; - } -#ifdef XFIXES - if (SaveSetShouldMap (client->saveSet[j])) -#endif - MapWindow(pWin, client); - } - } - xfree(client->saveSet); - client->numSaved = 0; - client->saveSet = (SaveSetElt *)NULL; -} - -/** - * - * \param x,y in root - */ -Bool -PointInWindowIsVisible(WindowPtr pWin, int x, int y) -{ - BoxRec box; - - if (!pWin->realized) - return (FALSE); - if (POINT_IN_REGION(pWin->drawable.pScreen, &pWin->borderClip, - x, y, &box) - && (!wInputShape(pWin) || - POINT_IN_REGION(pWin->drawable.pScreen, - wInputShape(pWin), - x - pWin->drawable.x, - y - pWin->drawable.y, &box))) - return(TRUE); - return(FALSE); -} - - -RegionPtr -NotClippedByChildren(WindowPtr pWin) -{ - ScreenPtr pScreen; - RegionPtr pReg; - - pScreen = pWin->drawable.pScreen; - pReg = REGION_CREATE(pScreen, NullBox, 1); - if (pWin->parent || - screenIsSaved != SCREEN_SAVER_ON || - !HasSaverWindow (pWin->drawable.pScreen->myNum)) - { - REGION_INTERSECT(pScreen, pReg, &pWin->borderClip, &pWin->winSize); - } - return(pReg); -} - -void -SendVisibilityNotify(WindowPtr pWin) -{ - xEvent event; -#ifndef NO_XINERAMA_PORT - unsigned int visibility = pWin->visibility; -#endif - if (!MapUnmapEventsEnabled(pWin)) - return; -#ifdef PANORAMIX - /* This is not quite correct yet, but it's close */ - if(!noPanoramiXExtension) { - PanoramiXRes *win; - WindowPtr pWin2; - int rc, i, Scrnum; - - Scrnum = pWin->drawable.pScreen->myNum; - - win = PanoramiXFindIDByScrnum(XRT_WINDOW, pWin->drawable.id, Scrnum); - - if(!win || (win->u.win.visibility == visibility)) - return; - - switch(visibility) { - case VisibilityUnobscured: - for(i = 0; i < PanoramiXNumScreens; i++) { - if(i == Scrnum) continue; - - rc = dixLookupWindow(&pWin2, win->info[i].id, serverClient, - DixWriteAccess); - - if (rc == Success) { - if(pWin2->visibility == VisibilityPartiallyObscured) - return; - - if(!i) pWin = pWin2; - } - } - break; - case VisibilityPartiallyObscured: - if(Scrnum) { - rc = dixLookupWindow(&pWin2, win->info[0].id, serverClient, - DixWriteAccess); - if (rc == Success) pWin = pWin2; - } - break; - case VisibilityFullyObscured: - for(i = 0; i < PanoramiXNumScreens; i++) { - if(i == Scrnum) continue; - - rc = dixLookupWindow(&pWin2, win->info[i].id, serverClient, - DixWriteAccess); - - if (rc == Success) { - if(pWin2->visibility != VisibilityFullyObscured) - return; - - if(!i) pWin = pWin2; - } - } - break; - } - - win->u.win.visibility = visibility; - } -#endif - - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = VisibilityNotify; - event.u.visibility.window = pWin->drawable.id; - event.u.visibility.state = visibility; - DeliverEvents(pWin, &event, 1, NullWindow); -} - -#define RANDOM_WIDTH 32 - -#ifndef NOLOGOHACK -static void DrawLogo( - WindowPtr pWin -); -#endif - -int -dixSaveScreens(ClientPtr client, int on, int mode) -{ - int rc, i, what, type; - - if (on == SCREEN_SAVER_FORCER) - { - if (mode == ScreenSaverReset) - what = SCREEN_SAVER_OFF; - else - what = SCREEN_SAVER_ON; - type = what; - } - else - { - what = on; - type = what; - if (what == screenIsSaved) - type = SCREEN_SAVER_CYCLE; - } - - for (i = 0; i < screenInfo.numScreens; i++) { - rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, screenInfo.screens[i], - DixShowAccess | DixHideAccess); - if (rc != Success) - return rc; - } - for (i = 0; i < screenInfo.numScreens; i++) - { - if (on == SCREEN_SAVER_FORCER) - (* screenInfo.screens[i]->SaveScreen) (screenInfo.screens[i], on); - if (savedScreenInfo[i].ExternalScreenSaver) - { - if ((*savedScreenInfo[i].ExternalScreenSaver) - (screenInfo.screens[i], type, on == SCREEN_SAVER_FORCER)) - continue; - } - if (type == screenIsSaved) - continue; - switch (type) { - case SCREEN_SAVER_OFF: - if (savedScreenInfo[i].blanked == SCREEN_IS_BLANKED) - { - (* screenInfo.screens[i]->SaveScreen) (screenInfo.screens[i], - what); - } - else if (HasSaverWindow (i)) - { - savedScreenInfo[i].pWindow = NullWindow; - FreeResource(savedScreenInfo[i].wid, RT_NONE); - } - break; - case SCREEN_SAVER_CYCLE: - if (savedScreenInfo[i].blanked == SCREEN_IS_TILED) - { - WindowPtr pWin = savedScreenInfo[i].pWindow; - /* make it look like screen saver is off, so that - * NotClippedByChildren will compute a clip list - * for the root window, so miPaintWindow works - */ - screenIsSaved = SCREEN_SAVER_OFF; -#ifndef NOLOGOHACK - if (logoScreenSaver) - (*pWin->drawable.pScreen->ClearToBackground)(pWin, 0, 0, 0, 0, FALSE); -#endif - (*pWin->drawable.pScreen->MoveWindow)(pWin, - (short)(-(rand() % RANDOM_WIDTH)), - (short)(-(rand() % RANDOM_WIDTH)), - pWin->nextSib, VTMove); -#ifndef NOLOGOHACK - if (logoScreenSaver) - DrawLogo(pWin); -#endif - screenIsSaved = SCREEN_SAVER_ON; - } - /* - * Call the DDX saver in case it wants to do something - * at cycle time - */ - else if (savedScreenInfo[i].blanked == SCREEN_IS_BLANKED) - { - (* screenInfo.screens[i]->SaveScreen) (screenInfo.screens[i], - type); - } - break; - case SCREEN_SAVER_ON: - if (ScreenSaverBlanking != DontPreferBlanking) - { - if ((* screenInfo.screens[i]->SaveScreen) - (screenInfo.screens[i], what)) - { - savedScreenInfo[i].blanked = SCREEN_IS_BLANKED; - continue; - } - if ((ScreenSaverAllowExposures != DontAllowExposures) && - TileScreenSaver(i, SCREEN_IS_BLACK)) - { - savedScreenInfo[i].blanked = SCREEN_IS_BLACK; - continue; - } - } - if ((ScreenSaverAllowExposures != DontAllowExposures) && - TileScreenSaver(i, SCREEN_IS_TILED)) - { - savedScreenInfo[i].blanked = SCREEN_IS_TILED; - } - else - savedScreenInfo[i].blanked = SCREEN_ISNT_SAVED; - break; - } - } - screenIsSaved = what; - if (mode == ScreenSaverReset) { - if (on == SCREEN_SAVER_FORCER) { - UpdateCurrentTimeIf(); - lastDeviceEventTime = currentTime; - } - SetScreenSaverTimer(); - } - return Success; -} - -int -SaveScreens(int on, int mode) -{ - return dixSaveScreens(serverClient, on, mode); -} - -static Bool -TileScreenSaver(int i, int kind) -{ - int j; - int result; - XID attributes[3]; - Mask mask; - WindowPtr pWin; - CursorMetricRec cm; - unsigned char *srcbits, *mskbits; - CursorPtr cursor; - XID cursorID = 0; - int attri; - - mask = 0; - attri = 0; - switch (kind) { - case SCREEN_IS_TILED: - switch (WindowTable[i]->backgroundState) { - case BackgroundPixel: - attributes[attri++] = WindowTable[i]->background.pixel; - mask |= CWBackPixel; - break; - case BackgroundPixmap: - attributes[attri++] = None; - mask |= CWBackPixmap; - break; - default: - break; - } - break; - case SCREEN_IS_BLACK: - attributes[attri++] = WindowTable[i]->drawable.pScreen->blackPixel; - mask |= CWBackPixel; - break; - } - mask |= CWOverrideRedirect; - attributes[attri++] = xTrue; - - /* - * create a blank cursor - */ - - cm.width=16; - cm.height=16; - cm.xhot=8; - cm.yhot=8; - srcbits = xalloc( BitmapBytePad(32)*16); - mskbits = xalloc( BitmapBytePad(32)*16); - if (!srcbits || !mskbits) - { - xfree(srcbits); - xfree(mskbits); - cursor = 0; - } - else - { - for (j=0; j<BitmapBytePad(32)*16; j++) - srcbits[j] = mskbits[j] = 0x0; - result = AllocARGBCursor(srcbits, mskbits, NULL, &cm, 0, 0, 0, 0, 0, 0, - &cursor, serverClient, (XID)0); - if (cursor) - { - cursorID = FakeClientID(0); - if (AddResource (cursorID, RT_CURSOR, (pointer) cursor)) - { - attributes[attri] = cursorID; - mask |= CWCursor; - } - else - cursor = 0; - } - else - { - xfree (srcbits); - xfree (mskbits); - } - } - - pWin = savedScreenInfo[i].pWindow = - CreateWindow(savedScreenInfo[i].wid, - WindowTable[i], - -RANDOM_WIDTH, -RANDOM_WIDTH, - (unsigned short)screenInfo.screens[i]->width + RANDOM_WIDTH, - (unsigned short)screenInfo.screens[i]->height + RANDOM_WIDTH, - 0, InputOutput, mask, attributes, 0, serverClient, - wVisual (WindowTable[i]), &result); - - if (cursor) - FreeResource (cursorID, RT_NONE); - - if (!pWin) - return FALSE; - - if (!AddResource(pWin->drawable.id, RT_WINDOW, - (pointer)savedScreenInfo[i].pWindow)) - return FALSE; - - if (mask & CWBackPixmap) - { - MakeRootTile (pWin); - (*pWin->drawable.pScreen->ChangeWindowAttributes)(pWin, CWBackPixmap); - } - MapWindow(pWin, serverClient); -#ifndef NOLOGOHACK - if (kind == SCREEN_IS_TILED && logoScreenSaver) - DrawLogo(pWin); -#endif - return TRUE; -} - -/* - * FindWindowWithOptional - * - * search ancestors of the given window for an entry containing - * a WindowOpt structure. Assumptions: some parent will - * contain the structure. - */ - -WindowPtr -FindWindowWithOptional (WindowPtr w) -{ - do - w = w->parent; - while (!w->optional); - return w; -} - -/* - * CheckWindowOptionalNeed - * - * check each optional entry in the given window to see if - * the value is satisfied by the default rules. If so, - * release the optional record - */ - -void -CheckWindowOptionalNeed (WindowPtr w) -{ - WindowOptPtr optional; - WindowOptPtr parentOptional; - - if (!w->parent || !w->optional) - return; - optional = w->optional; - if (optional->dontPropagateMask != DontPropagateMasks[w->dontPropagate]) - return; - if (optional->otherEventMasks != 0) - return; - if (optional->otherClients != NULL) - return; - if (optional->passiveGrabs != NULL) - return; - if (optional->userProps != NULL) - return; - if (optional->backingBitPlanes != ~0L) - return; - if (optional->backingPixel != 0) - return; - if (optional->boundingShape != NULL) - return; - if (optional->clipShape != NULL) - return; - if (optional->inputShape != NULL) - return; - if (optional->inputMasks != NULL) - return; - if (optional->deviceCursors != NULL) - { - DevCursNodePtr pNode = optional->deviceCursors; - while(pNode) - { - if (pNode->cursor != None) - return; - pNode = pNode->next; - } - } - - parentOptional = FindWindowWithOptional(w)->optional; - if (optional->visual != parentOptional->visual) - return; - if (optional->cursor != None && - (optional->cursor != parentOptional->cursor || - w->parent->cursorIsNone)) - return; - if (optional->colormap != parentOptional->colormap) - return; - DisposeWindowOptional (w); -} - -/* - * MakeWindowOptional - * - * create an optional record and initialize it with the default - * values. - */ - -Bool -MakeWindowOptional (WindowPtr pWin) -{ - WindowOptPtr optional; - WindowOptPtr parentOptional; - - if (pWin->optional) - return TRUE; - optional = xalloc (sizeof (WindowOptRec)); - if (!optional) - return FALSE; - optional->dontPropagateMask = DontPropagateMasks[pWin->dontPropagate]; - optional->otherEventMasks = 0; - optional->otherClients = NULL; - optional->passiveGrabs = NULL; - optional->userProps = NULL; - optional->backingBitPlanes = ~0L; - optional->backingPixel = 0; - optional->boundingShape = NULL; - optional->clipShape = NULL; - optional->inputShape = NULL; - optional->inputMasks = NULL; - optional->deviceCursors = NULL; - - parentOptional = FindWindowWithOptional(pWin)->optional; - optional->visual = parentOptional->visual; - if (!pWin->cursorIsNone) - { - optional->cursor = parentOptional->cursor; - optional->cursor->refcnt++; - } - else - { - optional->cursor = None; - } - optional->colormap = parentOptional->colormap; - pWin->optional = optional; - return TRUE; -} - -/* - * Changes the cursor struct for the given device and the given window. - * A cursor that does not have a device cursor set will use whatever the - * standard cursor is for the window. If all devices have a cursor set, - * changing the window cursor (e.g. using XDefineCursor()) will not have any - * visible effect. Only when one of the device cursors is set to None again, - * this device's cursor will display the changed standard cursor. - * - * CursorIsNone of the window struct is NOT modified if you set a device - * cursor. - * - * Assumption: If there is a node for a device in the list, the device has a - * cursor. If the cursor is set to None, it is inherited by the parent. - */ -int -ChangeWindowDeviceCursor(WindowPtr pWin, - DeviceIntPtr pDev, - CursorPtr pCursor) -{ - DevCursNodePtr pNode, pPrev; - CursorPtr pOldCursor = NULL; - ScreenPtr pScreen; - WindowPtr pChild; - - if (!pWin->optional && !MakeWindowOptional(pWin)) - return BadAlloc; - - /* 1) Check if window has device cursor set - * Yes: 1.1) swap cursor with given cursor if parent does not have same - * cursor, free old cursor - * 1.2) free old cursor, use parent cursor - * No: 1.1) add node to beginning of list. - * 1.2) add cursor to node if parent does not have same cursor - * 1.3) use parent cursor if parent does not have same cursor - * 2) Patch up children if child has a devcursor - * 2.1) if child has cursor None, it inherited from parent, set to old - * cursor - * 2.2) if child has same cursor as new cursor, remove and set to None - */ - - pScreen = pWin->drawable.pScreen; - - if (WindowSeekDeviceCursor(pWin, pDev, &pNode, &pPrev)) - { - /* has device cursor */ - - if (pNode->cursor == pCursor) - return Success; - - pOldCursor = pNode->cursor; - - if (!pCursor) /* remove from list */ - { - if(pPrev) - pPrev->next = pNode->next; - else - /* first item in list */ - pWin->optional->deviceCursors = pNode->next; - - xfree(pNode); - goto out; - } - - } else - { - /* no device cursor yet */ - DevCursNodePtr pNewNode; - - if (!pCursor) - return Success; - - pNewNode = xalloc(sizeof(DevCursNodeRec)); - pNewNode->dev = pDev; - pNewNode->next = pWin->optional->deviceCursors; - pWin->optional->deviceCursors = pNewNode; - pNode = pNewNode; - - } - - if (pCursor && WindowParentHasDeviceCursor(pWin, pDev, pCursor)) - pNode->cursor = None; - else - { - pNode->cursor = pCursor; - pCursor->refcnt++; - } - - pNode = pPrev = NULL; - /* fix up children */ - for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib) - { - if (WindowSeekDeviceCursor(pChild, pDev, &pNode, &pPrev)) - { - if (pNode->cursor == None) /* inherited from parent */ - { - pNode->cursor = pOldCursor; - pOldCursor->refcnt++; - } else if (pNode->cursor == pCursor) - { - pNode->cursor = None; - FreeCursor(pCursor, (Cursor)0); /* fix up refcnt */ - } - } - } - -out: - if (pWin->realized) - WindowHasNewCursor(pWin); - - if (pOldCursor) - FreeCursor(pOldCursor, (Cursor)0); - - /* FIXME: We SHOULD check for an error value here XXX - (comment taken from ChangeWindowAttributes) */ - (*pScreen->ChangeWindowAttributes)(pWin, CWCursor); - - return Success; -} - -/* Get device cursor for given device or None if none is set */ -CursorPtr -WindowGetDeviceCursor(WindowPtr pWin, DeviceIntPtr pDev) -{ - DevCursorList pList; - - if (!pWin->optional || !pWin->optional->deviceCursors) - return NULL; - - pList = pWin->optional->deviceCursors; - - while(pList) - { - if (pList->dev == pDev) - { - if (pList->cursor == None) /* inherited from parent */ - return WindowGetDeviceCursor(pWin->parent, pDev); - else - return pList->cursor; - } - pList = pList->next; - } - return NULL; -} - -/* Searches for a DevCursorNode for the given window and device. If one is - * found, return True and set pNode and pPrev to the node and to the node - * before the node respectively. Otherwise return False. - * If the device is the first in list, pPrev is set to NULL. - */ -static Bool -WindowSeekDeviceCursor(WindowPtr pWin, - DeviceIntPtr pDev, - DevCursNodePtr* pNode, - DevCursNodePtr* pPrev) -{ - DevCursorList pList; - - if (!pWin->optional) - return FALSE; - - pList = pWin->optional->deviceCursors; - - if (pList && pList->dev == pDev) - { - *pNode = pList; - *pPrev = NULL; - return TRUE; - } - - while(pList) - { - if (pList->next) - { - if (pList->next->dev == pDev) - { - *pNode = pList->next; - *pPrev = pList; - return TRUE; - } - } - pList = pList->next; - } - return FALSE; -} - -/* Return True if a parent has the same device cursor set or False if - * otherwise - */ -static Bool -WindowParentHasDeviceCursor(WindowPtr pWin, - DeviceIntPtr pDev, - CursorPtr pCursor) -{ - WindowPtr pParent; - DevCursNodePtr pParentNode, pParentPrev; - - pParent = pWin->parent; - while(pParent) - { - if (WindowSeekDeviceCursor(pParent, pDev, - &pParentNode, &pParentPrev)) - { - /* if there is a node in the list, the win has a dev cursor */ - if (!pParentNode->cursor) /* inherited. loop needs to cont. */ - { - } else if (pParentNode->cursor == pCursor) /* inherit */ - return TRUE; - else /* different cursor */ - return FALSE; - } - else - /* parent does not have a device cursor for our device */ - return FALSE; - } - return FALSE; -} - -#ifndef NOLOGOHACK -static void -DrawLogo(WindowPtr pWin) -{ - DrawablePtr pDraw; - ScreenPtr pScreen; - int x, y; - unsigned int width, height, size; - GC *pGC; - int rc, thin, gap, d31; - DDXPointRec poly[4]; - ChangeGCVal fore[2], back[2]; - xrgb rgb[2]; - BITS32 fmask, bmask; - ColormapPtr cmap; - - pDraw = (DrawablePtr)pWin; - pScreen = pDraw->pScreen; - x = -pWin->origin.x; - y = -pWin->origin.y; - width = pScreen->width; - height = pScreen->height; - pGC = GetScratchGC(pScreen->rootDepth, pScreen); - if (!pGC) - return; - - if ((rand() % 100) <= 17) /* make the probability for white fairly low */ - fore[0].val = pScreen->whitePixel; - else - fore[0].val = pScreen->blackPixel; - if (pWin->backgroundState == BackgroundPixel) { - rc = dixLookupResourceByType((pointer *)&cmap, wColormap(pWin), - RT_COLORMAP, serverClient, DixReadAccess); - if (rc == Success) { - Pixel querypixels[2]; - - querypixels[0] = fore[0].val; - querypixels[1] = pWin->background.pixel; - QueryColors(cmap, 2, querypixels, rgb); - if ((rgb[0].red == rgb[1].red) && - (rgb[0].green == rgb[1].green) && - (rgb[0].blue == rgb[1].blue)) { - if (fore[0].val == pScreen->blackPixel) - fore[0].val = pScreen->whitePixel; - else - fore[0].val = pScreen->blackPixel; - } - } - } - fore[1].val = FillSolid; - fmask = GCForeground|GCFillStyle; - if (pWin->backgroundState == BackgroundPixel) { - back[0].val = pWin->background.pixel; - back[1].val = FillSolid; - bmask = GCForeground|GCFillStyle; - } else { - back[0].val = 0; - back[1].val = 0; - dixChangeGC(NullClient, pGC, GCTileStipXOrigin|GCTileStipYOrigin, - NULL, back); - back[0].val = FillTiled; - back[1].ptr = pWin->background.pixmap; - bmask = GCFillStyle|GCTile; - } - - /* should be the same as the reference function XmuDrawLogo() */ - - size = width; - if (height < width) - size = height; - size = RANDOM_WIDTH + rand() % (size - RANDOM_WIDTH); - size &= ~1; - x += rand() % (width - size); - y += rand() % (height - size); - -/* - * Draw what will be the thin strokes. - * - * ----- - * / / - * / / - * / / - * / / - * /____/ - * d - * - * Point d is 9/44 (~1/5) of the way across. - */ - - thin = (size / 11); - if (thin < 1) thin = 1; - gap = (thin+3) / 4; - d31 = thin + thin + gap; - poly[0].x = x + size; poly[0].y = y; - poly[1].x = x + size-d31; poly[1].y = y; - poly[2].x = x + 0; poly[2].y = y + size; - poly[3].x = x + d31; poly[3].y = y + size; - dixChangeGC(NullClient, pGC, fmask, NULL, fore); - ValidateGC(pDraw, pGC); - (*pGC->ops->FillPolygon)(pDraw, pGC, Convex, CoordModeOrigin, 4, poly); - -/* - * Erase area not needed for lower thin stroke. - * - * ------ - * / / - * / __ / - * / / / - * / / / - * /__/__/ - */ - - poly[0].x = x + d31/2; poly[0].y = y + size; - poly[1].x = x + size / 2; poly[1].y = y + size/2; - poly[2].x = x + (size/2)+(d31-(d31/2)); poly[2].y = y + size/2; - poly[3].x = x + d31; poly[3].y = y + size; - dixChangeGC(NullClient, pGC, bmask, NULL, back); - ValidateGC(pDraw, pGC); - (*pGC->ops->FillPolygon)(pDraw, pGC, Convex, CoordModeOrigin, 4, poly); - -/* - * Erase area not needed for upper thin stroke. - * - * ------ - * / / / - * /--/ / - * / / - * / / - * /_____/ - */ - - poly[0].x = x + size - d31/2; poly[0].y = y; - poly[1].x = x + size / 2; poly[1].y = y + size/2; - poly[2].x = x + (size/2)-(d31-(d31/2)); poly[2].y = y + size/2; - poly[3].x = x + size - d31; poly[3].y = y; - ValidateGC(pDraw, pGC); - (*pGC->ops->FillPolygon)(pDraw, pGC, Convex, CoordModeOrigin, 4, poly); - -/* - * Draw thick stroke. - * Point b is 1/4 of the way across. - * - * b - * ----- - * \ \ - * \ \ - * \ \ - * \ \ - * \____\ - */ - - poly[0].x = x; poly[0].y = y; - poly[1].x = x + size/4; poly[1].y = y; - poly[2].x = x + size; poly[2].y = y + size; - poly[3].x = x + size - size/4; poly[3].y = y + size; - dixChangeGC(NullClient, pGC, fmask, NULL, fore); - ValidateGC(pDraw, pGC); - (*pGC->ops->FillPolygon)(pDraw, pGC, Convex, CoordModeOrigin, 4, poly); - -/* - * Erase to create gap. - * - * / - * / - * / - * / - * / - */ - - poly[0].x = x + size- thin; poly[0].y = y; - poly[1].x = x + size-( thin+gap); poly[1].y = y; - poly[2].x = x + thin; poly[2].y = y + size; - poly[3].x = x + thin + gap; poly[3].y = y + size; - dixChangeGC(NullClient, pGC, bmask, NULL, back); - ValidateGC(pDraw, pGC); - (*pGC->ops->FillPolygon)(pDraw, pGC, Convex, CoordModeOrigin, 4, poly); - - FreeScratchGC(pGC); -} - -#endif +/*
+
+Copyright (c) 2006, Red Hat, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice (including the next
+paragraph) shall be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+*/
+
+/* The panoramix components contained the following notice */
+/*****************************************************************
+
+Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
+BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of Digital Equipment Corporation
+shall not be used in advertising or otherwise to promote the sale, use or other
+dealings in this Software without prior written authorization from Digital
+Equipment Corporation.
+
+******************************************************************/
+
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "misc.h"
+#include "scrnintstr.h"
+#include "os.h"
+#include "regionstr.h"
+#include "validate.h"
+#include "windowstr.h"
+#include "input.h"
+#include "inputstr.h"
+#include "resource.h"
+#include "colormapst.h"
+#include "cursorstr.h"
+#include "dixstruct.h"
+#include "gcstruct.h"
+#include "servermd.h"
+#ifdef PANORAMIX
+#include "panoramiX.h"
+#include "panoramiXsrv.h"
+#endif
+#include "dixevents.h"
+#include "globals.h"
+#include "mi.h" /* miPaintWindow */
+
+#include "privates.h"
+#include "xace.h"
+
+/******
+ * Window stuff for server
+ *
+ * CreateRootWindow, CreateWindow, ChangeWindowAttributes,
+ * GetWindowAttributes, DeleteWindow, DestroySubWindows,
+ * HandleSaveSet, ReparentWindow, MapWindow, MapSubWindows,
+ * UnmapWindow, UnmapSubWindows, ConfigureWindow, CirculateWindow,
+ * ChangeWindowDeviceCursor
+ ******/
+
+static unsigned char _back_lsb[4] = {0x88, 0x22, 0x44, 0x11};
+static unsigned char _back_msb[4] = {0x11, 0x44, 0x22, 0x88};
+
+static Bool WindowParentHasDeviceCursor(WindowPtr pWin,
+ DeviceIntPtr pDev,
+ CursorPtr pCurs);
+static Bool
+WindowSeekDeviceCursor(WindowPtr pWin,
+ DeviceIntPtr pDev,
+ DevCursNodePtr* pNode,
+ DevCursNodePtr* pPrev);
+
+int screenIsSaved = SCREEN_SAVER_OFF;
+
+ScreenSaverStuffRec savedScreenInfo[MAXSCREENS];
+
+static int FocusPrivatesKeyIndex;
+DevPrivateKey FocusPrivatesKey = &FocusPrivatesKeyIndex;
+
+static Bool TileScreenSaver(int i, int kind);
+
+
+#define INPUTONLY_LEGAL_MASK (CWWinGravity | CWEventMask | \
+ CWDontPropagate | CWOverrideRedirect | CWCursor )
+
+#define BOXES_OVERLAP(b1, b2) \
+ (!( ((b1)->x2 <= (b2)->x1) || \
+ ( ((b1)->x1 >= (b2)->x2)) || \
+ ( ((b1)->y2 <= (b2)->y1)) || \
+ ( ((b1)->y1 >= (b2)->y2)) ) )
+
+#define RedirectSend(pWin) \
+ ((pWin->eventMask|wOtherEventMasks(pWin)) & SubstructureRedirectMask)
+
+#define SubSend(pWin) \
+ ((pWin->eventMask|wOtherEventMasks(pWin)) & SubstructureNotifyMask)
+
+#define StrSend(pWin) \
+ ((pWin->eventMask|wOtherEventMasks(pWin)) & StructureNotifyMask)
+
+#define SubStrSend(pWin,pParent) (StrSend(pWin) || SubSend(pParent))
+
+#ifdef DEBUG
+/******
+ * PrintWindowTree
+ * For debugging only
+ ******/
+
+static void
+PrintChildren(WindowPtr p1, int indent)
+{
+ WindowPtr p2;
+ int i;
+
+ while (p1)
+ {
+ p2 = p1->firstChild;
+ ErrorF("[dix] ");
+ for (i=0; i<indent; i++) ErrorF(" ");
+ ErrorF("%lx\n", p1->drawable.id);
+ miPrintRegion(&p1->clipList);
+ PrintChildren(p2, indent+4);
+ p1 = p1->nextSib;
+ }
+}
+
+static void
+PrintWindowTree(void)
+{
+ int i;
+ WindowPtr pWin, p1;
+
+ for (i=0; i<screenInfo.numScreens; i++)
+ {
+ ErrorF("[dix] WINDOW %d\n", i);
+ pWin = WindowTable[i];
+ miPrintRegion(&pWin->clipList);
+ p1 = pWin->firstChild;
+ PrintChildren(p1, 4);
+ }
+}
+#endif
+
+int
+TraverseTree(WindowPtr pWin, VisitWindowProcPtr func, pointer data)
+{
+ int result;
+ WindowPtr pChild;
+
+ if (!(pChild = pWin))
+ return(WT_NOMATCH);
+ while (1)
+ {
+ result = (* func)(pChild, data);
+ if (result == WT_STOPWALKING)
+ return(WT_STOPWALKING);
+ if ((result == WT_WALKCHILDREN) && pChild->firstChild)
+ {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ while (!pChild->nextSib && (pChild != pWin))
+ pChild = pChild->parent;
+ if (pChild == pWin)
+ break;
+ pChild = pChild->nextSib;
+ }
+ return(WT_NOMATCH);
+}
+
+/*****
+ * WalkTree
+ * Walk the window tree, for SCREEN, preforming FUNC(pWin, data) on
+ * each window. If FUNC returns WT_WALKCHILDREN, traverse the children,
+ * if it returns WT_DONTWALKCHILDREN, dont. If it returns WT_STOPWALKING
+ * exit WalkTree. Does depth-first traverse.
+ *****/
+
+int
+WalkTree(ScreenPtr pScreen, VisitWindowProcPtr func, pointer data)
+{
+ return(TraverseTree(WindowTable[pScreen->myNum], func, data));
+}
+
+/* hack for forcing backing store on all windows */
+int defaultBackingStore = NotUseful;
+/* hack to force no backing store */
+Bool disableBackingStore = FALSE;
+Bool enableBackingStore = FALSE;
+
+static void
+SetWindowToDefaults(WindowPtr pWin)
+{
+ pWin->prevSib = NullWindow;
+ pWin->firstChild = NullWindow;
+ pWin->lastChild = NullWindow;
+
+ pWin->valdata = (ValidatePtr)NULL;
+ pWin->optional = (WindowOptPtr)NULL;
+ pWin->cursorIsNone = TRUE;
+
+ pWin->backingStore = NotUseful;
+ pWin->DIXsaveUnder = FALSE;
+ pWin->backStorage = (pointer) NULL;
+
+ pWin->mapped = FALSE; /* off */
+ pWin->realized = FALSE; /* off */
+ pWin->viewable = FALSE;
+ pWin->visibility = VisibilityNotViewable;
+ pWin->overrideRedirect = FALSE;
+ pWin->saveUnder = FALSE;
+
+ pWin->bitGravity = ForgetGravity;
+ pWin->winGravity = NorthWestGravity;
+
+ pWin->eventMask = 0;
+ pWin->deliverableEvents = 0;
+ pWin->dontPropagate = 0;
+ pWin->forcedBS = FALSE;
+ pWin->redirectDraw = RedirectDrawNone;
+ pWin->forcedBG = FALSE;
+
+#ifdef ROOTLESS
+ pWin->rootlessUnhittable = FALSE;
+#endif
+}
+
+static void
+MakeRootTile(WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ GCPtr pGC;
+ unsigned char back[128];
+ int len = BitmapBytePad(sizeof(long));
+ unsigned char *from, *to;
+ int i, j;
+
+ pWin->background.pixmap = (*pScreen->CreatePixmap)(pScreen, 4, 4,
+ pScreen->rootDepth, 0);
+
+ pWin->backgroundState = BackgroundPixmap;
+ pGC = GetScratchGC(pScreen->rootDepth, pScreen);
+ if (!pWin->background.pixmap || !pGC)
+ FatalError("could not create root tile");
+
+ {
+ ChangeGCVal attributes[2];
+
+ attributes[0].val = pScreen->whitePixel;
+ attributes[1].val = pScreen->blackPixel;
+
+ (void)ChangeGC(NullClient, pGC, GCForeground | GCBackground, attributes);
+ }
+
+ ValidateGC((DrawablePtr)pWin->background.pixmap, pGC);
+
+ from = (screenInfo.bitmapBitOrder == LSBFirst) ? _back_lsb : _back_msb;
+ to = back;
+
+ for (i = 4; i > 0; i--, from++)
+ for (j = len; j > 0; j--)
+ *to++ = *from;
+
+ (*pGC->ops->PutImage)((DrawablePtr)pWin->background.pixmap, pGC, 1,
+ 0, 0, len, 4, 0, XYBitmap, (char *)back);
+
+ FreeScratchGC(pGC);
+
+}
+
+/*****
+ * CreateRootWindow
+ * Makes a window at initialization time for specified screen
+ *****/
+
+Bool
+CreateRootWindow(ScreenPtr pScreen)
+{
+ WindowPtr pWin;
+ BoxRec box;
+ PixmapFormatRec *format;
+
+ pWin = malloc(sizeof(WindowRec));
+ if (!pWin)
+ return FALSE;
+
+ savedScreenInfo[pScreen->myNum].pWindow = NULL;
+ savedScreenInfo[pScreen->myNum].wid = FakeClientID(0);
+ savedScreenInfo[pScreen->myNum].ExternalScreenSaver = NULL;
+ screenIsSaved = SCREEN_SAVER_OFF;
+
+ WindowTable[pScreen->myNum] = pWin;
+
+ pWin->drawable.pScreen = pScreen;
+ pWin->drawable.type = DRAWABLE_WINDOW;
+ pWin->devPrivates = NULL;
+
+ pWin->drawable.depth = pScreen->rootDepth;
+ for (format = screenInfo.formats;
+ format->depth != pScreen->rootDepth;
+ format++)
+ ;
+ pWin->drawable.bitsPerPixel = format->bitsPerPixel;
+
+ pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+
+ pWin->parent = NullWindow;
+ SetWindowToDefaults(pWin);
+
+ pWin->optional = malloc(sizeof (WindowOptRec));
+ if (!pWin->optional)
+ return FALSE;
+
+ pWin->optional->dontPropagateMask = 0;
+ pWin->optional->otherEventMasks = 0;
+ pWin->optional->otherClients = NULL;
+ pWin->optional->passiveGrabs = NULL;
+ pWin->optional->userProps = NULL;
+ pWin->optional->backingBitPlanes = ~0L;
+ pWin->optional->backingPixel = 0;
+ pWin->optional->boundingShape = NULL;
+ pWin->optional->clipShape = NULL;
+ pWin->optional->inputShape = NULL;
+ pWin->optional->inputMasks = NULL;
+ pWin->optional->deviceCursors = NULL;
+ pWin->optional->colormap = pScreen->defColormap;
+ pWin->optional->visual = pScreen->rootVisual;
+
+ pWin->nextSib = NullWindow;
+
+ pWin->drawable.id = FakeClientID(0);
+
+ pWin->origin.x = pWin->origin.y = 0;
+ pWin->drawable.height = pScreen->height;
+ pWin->drawable.width = pScreen->width;
+ pWin->drawable.x = pWin->drawable.y = 0;
+
+ box.x1 = 0;
+ box.y1 = 0;
+ box.x2 = pScreen->width;
+ box.y2 = pScreen->height;
+ REGION_INIT(pScreen, &pWin->clipList, &box, 1);
+ REGION_INIT(pScreen, &pWin->winSize, &box, 1);
+ REGION_INIT(pScreen, &pWin->borderSize, &box, 1);
+ REGION_INIT(pScreen, &pWin->borderClip, &box, 1);
+
+ pWin->drawable.class = InputOutput;
+ pWin->optional->visual = pScreen->rootVisual;
+
+ pWin->backgroundState = BackgroundPixel;
+ pWin->background.pixel = pScreen->whitePixel;
+
+ pWin->borderIsPixel = TRUE;
+ pWin->border.pixel = pScreen->blackPixel;
+ pWin->borderWidth = 0;
+
+ /* security creation/labeling check
+ */
+ if (XaceHook(XACE_RESOURCE_ACCESS, serverClient, pWin->drawable.id,
+ RT_WINDOW, pWin, RT_NONE, NULL, DixCreateAccess))
+ return FALSE;
+
+ if (!AddResource(pWin->drawable.id, RT_WINDOW, (pointer)pWin))
+ return FALSE;
+
+ if (disableBackingStore)
+ pScreen->backingStoreSupport = NotUseful;
+ if (enableBackingStore)
+ pScreen->backingStoreSupport = Always;
+
+ pScreen->saveUnderSupport = NotUseful;
+
+ return TRUE;
+}
+
+void
+InitRootWindow(WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ int backFlag = CWBorderPixel | CWCursor | CWBackingStore;
+
+ if (!(*pScreen->CreateWindow)(pWin))
+ return; /* XXX */
+ (*pScreen->PositionWindow)(pWin, 0, 0);
+
+ pWin->cursorIsNone = FALSE;
+ pWin->optional->cursor = rootCursor;
+ rootCursor->refcnt++;
+
+
+ if (party_like_its_1989) {
+ MakeRootTile(pWin);
+ backFlag |= CWBackPixmap;
+ } else {
+ if (whiteRoot)
+ pWin->background.pixel = pScreen->whitePixel;
+ else
+ pWin->background.pixel = pScreen->blackPixel;
+ backFlag |= CWBackPixel;
+ }
+
+ pWin->backingStore = defaultBackingStore;
+ pWin->forcedBS = (defaultBackingStore != NotUseful);
+ /* We SHOULD check for an error value here XXX */
+ (*pScreen->ChangeWindowAttributes)(pWin, backFlag);
+
+ MapWindow(pWin, serverClient);
+}
+
+/* Set the region to the intersection of the rectangle and the
+ * window's winSize. The window is typically the parent of the
+ * window from which the region came.
+ */
+
+static void
+ClippedRegionFromBox(WindowPtr pWin, RegionPtr Rgn,
+ int x, int y,
+ int w, int h)
+{
+ ScreenPtr pScreen;
+ BoxRec box;
+
+ pScreen = pWin->drawable.pScreen;
+
+ box = *(REGION_EXTENTS(pScreen, &pWin->winSize));
+ /* we do these calculations to avoid overflows */
+ if (x > box.x1)
+ box.x1 = x;
+ if (y > box.y1)
+ box.y1 = y;
+ x += w;
+ if (x < box.x2)
+ box.x2 = x;
+ y += h;
+ if (y < box.y2)
+ box.y2 = y;
+ if (box.x1 > box.x2)
+ box.x2 = box.x1;
+ if (box.y1 > box.y2)
+ box.y2 = box.y1;
+ REGION_RESET(pScreen, Rgn, &box);
+ REGION_INTERSECT(pScreen, Rgn, Rgn, &pWin->winSize);
+}
+
+static RealChildHeadProc realChildHeadProc = NULL;
+
+void
+RegisterRealChildHeadProc (RealChildHeadProc proc)
+{
+ realChildHeadProc = proc;
+}
+
+
+WindowPtr
+RealChildHead(WindowPtr pWin)
+{
+ if (realChildHeadProc) {
+ return realChildHeadProc (pWin);
+ }
+
+ if (!pWin->parent &&
+ (screenIsSaved == SCREEN_SAVER_ON) &&
+ (HasSaverWindow (pWin->drawable.pScreen->myNum)))
+ return (pWin->firstChild);
+ else
+ return (NullWindow);
+}
+
+/*****
+ * CreateWindow
+ * Makes a window in response to client request
+ *****/
+
+WindowPtr
+CreateWindow(Window wid, WindowPtr pParent, int x, int y, unsigned w,
+ unsigned h, unsigned bw, unsigned class, Mask vmask, XID *vlist,
+ int depth, ClientPtr client, VisualID visual, int *error)
+{
+ WindowPtr pWin;
+ WindowPtr pHead;
+ ScreenPtr pScreen;
+ xEvent event;
+ int idepth, ivisual;
+ Bool fOK;
+ DepthPtr pDepth;
+ PixmapFormatRec *format;
+ WindowOptPtr ancwopt;
+
+ if (class == CopyFromParent)
+ class = pParent->drawable.class;
+
+ if ((class != InputOutput) && (class != InputOnly))
+ {
+ *error = BadValue;
+ client->errorValue = class;
+ return NullWindow;
+ }
+
+ if ((class != InputOnly) && (pParent->drawable.class == InputOnly))
+ {
+ *error = BadMatch;
+ return NullWindow;
+ }
+
+ if ((class == InputOnly) && ((bw != 0) || (depth != 0)))
+ {
+ *error = BadMatch;
+ return NullWindow;
+ }
+
+ pScreen = pParent->drawable.pScreen;
+ if ((class == InputOutput) && (depth == 0))
+ depth = pParent->drawable.depth;
+ ancwopt = pParent->optional;
+ if (!ancwopt)
+ ancwopt = FindWindowWithOptional(pParent)->optional;
+ if (visual == CopyFromParent) {
+ visual = ancwopt->visual;
+ }
+
+ /* Find out if the depth and visual are acceptable for this Screen */
+ if ((visual != ancwopt->visual) || (depth != pParent->drawable.depth))
+ {
+ fOK = FALSE;
+ for(idepth = 0; idepth < pScreen->numDepths; idepth++)
+ {
+ pDepth = (DepthPtr) &pScreen->allowedDepths[idepth];
+ if ((depth == pDepth->depth) || (depth == 0))
+ {
+ for (ivisual = 0; ivisual < pDepth->numVids; ivisual++)
+ {
+ if (visual == pDepth->vids[ivisual])
+ {
+ fOK = TRUE;
+ break;
+ }
+ }
+ }
+ }
+ if (fOK == FALSE)
+ {
+ *error = BadMatch;
+ return NullWindow;
+ }
+ }
+
+ if (((vmask & (CWBorderPixmap | CWBorderPixel)) == 0) &&
+ (class != InputOnly) &&
+ (depth != pParent->drawable.depth))
+ {
+ *error = BadMatch;
+ return NullWindow;
+ }
+
+ if (((vmask & CWColormap) == 0) &&
+ (class != InputOnly) &&
+ ((visual != ancwopt->visual) || (ancwopt->colormap == None)))
+ {
+ *error = BadMatch;
+ return NullWindow;
+ }
+
+ pWin = malloc(sizeof(WindowRec));
+ if (!pWin)
+ {
+ *error = BadAlloc;
+ return NullWindow;
+ }
+ pWin->drawable = pParent->drawable;
+ pWin->devPrivates = NULL;
+ pWin->drawable.depth = depth;
+ if (depth == pParent->drawable.depth)
+ pWin->drawable.bitsPerPixel = pParent->drawable.bitsPerPixel;
+ else
+ {
+ for (format = screenInfo.formats; format->depth != depth; format++)
+ ;
+ pWin->drawable.bitsPerPixel = format->bitsPerPixel;
+ }
+ if (class == InputOnly)
+ pWin->drawable.type = (short) UNDRAWABLE_WINDOW;
+ pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+
+ pWin->drawable.id = wid;
+ pWin->drawable.class = class;
+
+ pWin->parent = pParent;
+ SetWindowToDefaults(pWin);
+
+ if (visual != ancwopt->visual)
+ {
+ if (!MakeWindowOptional (pWin))
+ {
+ free(pWin);
+ *error = BadAlloc;
+ return NullWindow;
+ }
+ pWin->optional->visual = visual;
+ pWin->optional->colormap = None;
+ }
+
+ pWin->borderWidth = bw;
+
+ /* security creation/labeling check
+ */
+ *error = XaceHook(XACE_RESOURCE_ACCESS, client, wid, RT_WINDOW, pWin,
+ RT_WINDOW, pWin->parent, DixCreateAccess|DixSetAttrAccess);
+ if (*error != Success) {
+ free(pWin);
+ return NullWindow;
+ }
+
+ pWin->backgroundState = XaceBackgroundNoneState(pWin);
+ pWin->background.pixel = pScreen->whitePixel;
+
+ pWin->borderIsPixel = pParent->borderIsPixel;
+ pWin->border = pParent->border;
+ if (pWin->borderIsPixel == FALSE)
+ pWin->border.pixmap->refcnt++;
+
+ pWin->origin.x = x + (int)bw;
+ pWin->origin.y = y + (int)bw;
+ pWin->drawable.width = w;
+ pWin->drawable.height = h;
+ pWin->drawable.x = pParent->drawable.x + x + (int)bw;
+ pWin->drawable.y = pParent->drawable.y + y + (int)bw;
+
+ /* set up clip list correctly for unobscured WindowPtr */
+ REGION_NULL(pScreen, &pWin->clipList);
+ REGION_NULL(pScreen, &pWin->borderClip);
+ REGION_NULL(pScreen, &pWin->winSize);
+ REGION_NULL(pScreen, &pWin->borderSize);
+
+ pHead = RealChildHead(pParent);
+ if (pHead)
+ {
+ pWin->nextSib = pHead->nextSib;
+ if (pHead->nextSib)
+ pHead->nextSib->prevSib = pWin;
+ else
+ pParent->lastChild = pWin;
+ pHead->nextSib = pWin;
+ pWin->prevSib = pHead;
+ }
+ else
+ {
+ pWin->nextSib = pParent->firstChild;
+ if (pParent->firstChild)
+ pParent->firstChild->prevSib = pWin;
+ else
+ pParent->lastChild = pWin;
+ pParent->firstChild = pWin;
+ }
+
+ SetWinSize (pWin);
+ SetBorderSize (pWin);
+
+ /* We SHOULD check for an error value here XXX */
+ if (!(*pScreen->CreateWindow)(pWin))
+ {
+ *error = BadAlloc;
+ DeleteWindow(pWin, None);
+ return NullWindow;
+ }
+ /* We SHOULD check for an error value here XXX */
+ (*pScreen->PositionWindow)(pWin, pWin->drawable.x, pWin->drawable.y);
+
+ if (!(vmask & CWEventMask))
+ RecalculateDeliverableEvents(pWin);
+
+ if (vmask)
+ *error = ChangeWindowAttributes(pWin, vmask, vlist, wClient (pWin));
+ else
+ *error = Success;
+
+ if (*error != Success)
+ {
+ DeleteWindow(pWin, None);
+ return NullWindow;
+ }
+ if (!(vmask & CWBackingStore) && (defaultBackingStore != NotUseful))
+ {
+ XID value = defaultBackingStore;
+ (void)ChangeWindowAttributes(pWin, CWBackingStore, &value, wClient (pWin));
+ pWin->forcedBS = TRUE;
+ }
+
+ if (SubSend(pParent))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = CreateNotify;
+ event.u.createNotify.window = wid;
+ event.u.createNotify.parent = pParent->drawable.id;
+ event.u.createNotify.x = x;
+ event.u.createNotify.y = y;
+ event.u.createNotify.width = w;
+ event.u.createNotify.height = h;
+ event.u.createNotify.borderWidth = bw;
+ event.u.createNotify.override = pWin->overrideRedirect;
+ DeliverEvents(pParent, &event, 1, NullWindow);
+ }
+ return pWin;
+}
+
+static void
+DisposeWindowOptional (WindowPtr pWin)
+{
+ if (!pWin->optional)
+ return;
+ /*
+ * everything is peachy. Delete the optional record
+ * and clean up
+ */
+ if (pWin->optional->cursor)
+ {
+ FreeCursor (pWin->optional->cursor, (Cursor)0);
+ pWin->cursorIsNone = FALSE;
+ }
+ else
+ pWin->cursorIsNone = TRUE;
+
+ if (pWin->optional->deviceCursors)
+ {
+ DevCursorList pList;
+ DevCursorList pPrev;
+ pList = pWin->optional->deviceCursors;
+ while(pList)
+ {
+ if (pList->cursor)
+ FreeCursor(pList->cursor, (XID)0);
+ pPrev = pList;
+ pList = pList->next;
+ free(pPrev);
+ }
+ pWin->optional->deviceCursors = NULL;
+ }
+
+ free(pWin->optional);
+ pWin->optional = NULL;
+}
+
+static void
+FreeWindowResources(WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ DeleteWindowFromAnySaveSet(pWin);
+ DeleteWindowFromAnySelections(pWin);
+ DeleteWindowFromAnyEvents(pWin, TRUE);
+ REGION_UNINIT(pScreen, &pWin->clipList);
+ REGION_UNINIT(pScreen, &pWin->winSize);
+ REGION_UNINIT(pScreen, &pWin->borderClip);
+ REGION_UNINIT(pScreen, &pWin->borderSize);
+ if (wBoundingShape (pWin))
+ REGION_DESTROY(pScreen, wBoundingShape (pWin));
+ if (wClipShape (pWin))
+ REGION_DESTROY(pScreen, wClipShape (pWin));
+ if (wInputShape (pWin))
+ REGION_DESTROY(pScreen, wInputShape (pWin));
+ if (pWin->borderIsPixel == FALSE)
+ (*pScreen->DestroyPixmap)(pWin->border.pixmap);
+ if (pWin->backgroundState == BackgroundPixmap)
+ (*pScreen->DestroyPixmap)(pWin->background.pixmap);
+
+ DeleteAllWindowProperties(pWin);
+ /* We SHOULD check for an error value here XXX */
+ (*pScreen->DestroyWindow)(pWin);
+ DisposeWindowOptional (pWin);
+}
+
+static void
+CrushTree(WindowPtr pWin)
+{
+ WindowPtr pChild, pSib, pParent;
+ UnrealizeWindowProcPtr UnrealizeWindow;
+ xEvent event;
+
+ if (!(pChild = pWin->firstChild))
+ return;
+ UnrealizeWindow = pWin->drawable.pScreen->UnrealizeWindow;
+ while (1)
+ {
+ if (pChild->firstChild)
+ {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ while (1)
+ {
+ pParent = pChild->parent;
+ if (SubStrSend(pChild, pParent))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = DestroyNotify;
+ event.u.destroyNotify.window = pChild->drawable.id;
+ DeliverEvents(pChild, &event, 1, NullWindow);
+ }
+ FreeResource(pChild->drawable.id, RT_WINDOW);
+ pSib = pChild->nextSib;
+ pChild->viewable = FALSE;
+ if (pChild->realized)
+ {
+ pChild->realized = FALSE;
+ (*UnrealizeWindow)(pChild);
+ }
+ FreeWindowResources(pChild);
+ dixFreePrivates(pChild->devPrivates);
+ free(pChild);
+ if ( (pChild = pSib) )
+ break;
+ pChild = pParent;
+ pChild->firstChild = NullWindow;
+ pChild->lastChild = NullWindow;
+ if (pChild == pWin)
+ return;
+ }
+ }
+}
+
+/*****
+ * DeleteWindow
+ * Deletes child of window then window itself
+ * If wid is None, don't send any events
+ *****/
+
+int
+DeleteWindow(pointer value, XID wid)
+ {
+ WindowPtr pParent;
+ WindowPtr pWin = (WindowPtr)value;
+ xEvent event;
+
+ UnmapWindow(pWin, FALSE);
+
+ CrushTree(pWin);
+
+ pParent = pWin->parent;
+ if (wid && pParent && SubStrSend(pWin, pParent))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = DestroyNotify;
+ event.u.destroyNotify.window = pWin->drawable.id;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+ }
+
+ FreeWindowResources(pWin);
+ if (pParent)
+ {
+ if (pParent->firstChild == pWin)
+ pParent->firstChild = pWin->nextSib;
+ if (pParent->lastChild == pWin)
+ pParent->lastChild = pWin->prevSib;
+ if (pWin->nextSib)
+ pWin->nextSib->prevSib = pWin->prevSib;
+ if (pWin->prevSib)
+ pWin->prevSib->nextSib = pWin->nextSib;
+ }
+ free(dixLookupPrivate(&pWin->devPrivates, FocusPrivatesKey));
+ dixFreePrivates(pWin->devPrivates);
+ free(pWin);
+ return Success;
+}
+
+int
+DestroySubwindows(WindowPtr pWin, ClientPtr client)
+{
+ /* XXX
+ * The protocol is quite clear that each window should be
+ * destroyed in turn, however, unmapping all of the first
+ * eliminates most of the calls to ValidateTree. So,
+ * this implementation is incorrect in that all of the
+ * UnmapNotifies occur before all of the DestroyNotifies.
+ * If you care, simply delete the call to UnmapSubwindows.
+ */
+ UnmapSubwindows(pWin);
+ while (pWin->lastChild) {
+ int rc = XaceHook(XACE_RESOURCE_ACCESS, client,
+ pWin->lastChild->drawable.id, RT_WINDOW,
+ pWin->lastChild, RT_NONE, NULL, DixDestroyAccess);
+ if (rc != Success)
+ return rc;
+ FreeResource(pWin->lastChild->drawable.id, RT_NONE);
+ }
+ return Success;
+}
+
+/*****
+ * ChangeWindowAttributes
+ *
+ * The value-mask specifies which attributes are to be changed; the
+ * value-list contains one value for each one bit in the mask, from least
+ * to most significant bit in the mask.
+ *****/
+
+int
+ChangeWindowAttributes(WindowPtr pWin, Mask vmask, XID *vlist, ClientPtr client)
+{
+ XID *pVlist;
+ PixmapPtr pPixmap;
+ Pixmap pixID;
+ CursorPtr pCursor, pOldCursor;
+ Cursor cursorID;
+ WindowPtr pChild;
+ Colormap cmap;
+ ColormapPtr pCmap;
+ xEvent xE;
+ int error, rc;
+ ScreenPtr pScreen;
+ Mask index2, tmask, vmaskCopy = 0;
+ unsigned int val;
+ Bool checkOptional = FALSE, borderRelative = FALSE;
+
+ if ((pWin->drawable.class == InputOnly) && (vmask & (~INPUTONLY_LEGAL_MASK)))
+ return BadMatch;
+
+ error = Success;
+ pScreen = pWin->drawable.pScreen;
+ pVlist = vlist;
+ tmask = vmask;
+ while (tmask)
+ {
+ index2 = (Mask) lowbit (tmask);
+ tmask &= ~index2;
+ switch (index2)
+ {
+ case CWBackPixmap:
+ pixID = (Pixmap )*pVlist;
+ pVlist++;
+ if (pWin->backgroundState == ParentRelative)
+ borderRelative = TRUE;
+ if (pixID == None)
+ {
+ if (pWin->backgroundState == BackgroundPixmap)
+ (*pScreen->DestroyPixmap)(pWin->background.pixmap);
+ if (!pWin->parent)
+ MakeRootTile(pWin);
+ else {
+ pWin->backgroundState = XaceBackgroundNoneState(pWin);
+ pWin->background.pixel = pScreen->whitePixel;
+ }
+ }
+ else if (pixID == ParentRelative)
+ {
+ if (pWin->parent &&
+ pWin->drawable.depth != pWin->parent->drawable.depth)
+ {
+ error = BadMatch;
+ goto PatchUp;
+ }
+ if (pWin->backgroundState == BackgroundPixmap)
+ (*pScreen->DestroyPixmap)(pWin->background.pixmap);
+ if (!pWin->parent)
+ MakeRootTile(pWin);
+ else
+ pWin->backgroundState = ParentRelative;
+ borderRelative = TRUE;
+ /* Note that the parent's backgroundTile's refcnt is NOT
+ * incremented. */
+ }
+ else
+ {
+ rc = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP,
+ client, DixReadAccess);
+ if (rc == Success)
+ {
+ if ((pPixmap->drawable.depth != pWin->drawable.depth) ||
+ (pPixmap->drawable.pScreen != pScreen))
+ {
+ error = BadMatch;
+ goto PatchUp;
+ }
+ if (pWin->backgroundState == BackgroundPixmap)
+ (*pScreen->DestroyPixmap)(pWin->background.pixmap);
+ pWin->backgroundState = BackgroundPixmap;
+ pWin->background.pixmap = pPixmap;
+ pPixmap->refcnt++;
+ }
+ else
+ {
+ error = (rc == BadValue) ? BadPixmap : rc;
+ client->errorValue = pixID;
+ goto PatchUp;
+ }
+ }
+ break;
+ case CWBackPixel:
+ if (pWin->backgroundState == ParentRelative)
+ borderRelative = TRUE;
+ if (pWin->backgroundState == BackgroundPixmap)
+ (*pScreen->DestroyPixmap)(pWin->background.pixmap);
+ pWin->backgroundState = BackgroundPixel;
+ pWin->background.pixel = (CARD32 ) *pVlist;
+ /* background pixel overrides background pixmap,
+ so don't let the ddx layer see both bits */
+ vmaskCopy &= ~CWBackPixmap;
+ pVlist++;
+ break;
+ case CWBorderPixmap:
+ pixID = (Pixmap ) *pVlist;
+ pVlist++;
+ if (pixID == CopyFromParent)
+ {
+ if (!pWin->parent ||
+ (pWin->drawable.depth != pWin->parent->drawable.depth))
+ {
+ error = BadMatch;
+ goto PatchUp;
+ }
+ if (pWin->parent->borderIsPixel == TRUE) {
+ if (pWin->borderIsPixel == FALSE)
+ (*pScreen->DestroyPixmap)(pWin->border.pixmap);
+ pWin->border = pWin->parent->border;
+ pWin->borderIsPixel = TRUE;
+ index2 = CWBorderPixel;
+ break;
+ }
+ else
+ {
+ pixID = pWin->parent->border.pixmap->drawable.id;
+ }
+ }
+ rc = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP,
+ client, DixReadAccess);
+ if (rc == Success)
+ {
+ if ((pPixmap->drawable.depth != pWin->drawable.depth) ||
+ (pPixmap->drawable.pScreen != pScreen))
+ {
+ error = BadMatch;
+ goto PatchUp;
+ }
+ if (pWin->borderIsPixel == FALSE)
+ (*pScreen->DestroyPixmap)(pWin->border.pixmap);
+ pWin->borderIsPixel = FALSE;
+ pWin->border.pixmap = pPixmap;
+ pPixmap->refcnt++;
+ }
+ else
+ {
+ error = (rc == BadValue) ? BadPixmap : rc;
+ client->errorValue = pixID;
+ goto PatchUp;
+ }
+ break;
+ case CWBorderPixel:
+ if (pWin->borderIsPixel == FALSE)
+ (*pScreen->DestroyPixmap)(pWin->border.pixmap);
+ pWin->borderIsPixel = TRUE;
+ pWin->border.pixel = (CARD32) *pVlist;
+ /* border pixel overrides border pixmap,
+ so don't let the ddx layer see both bits */
+ vmaskCopy &= ~CWBorderPixmap;
+ pVlist++;
+ break;
+ case CWBitGravity:
+ val = (CARD8 )*pVlist;
+ pVlist++;
+ if (val > StaticGravity)
+ {
+ error = BadValue;
+ client->errorValue = val;
+ goto PatchUp;
+ }
+ pWin->bitGravity = val;
+ break;
+ case CWWinGravity:
+ val = (CARD8 )*pVlist;
+ pVlist++;
+ if (val > StaticGravity)
+ {
+ error = BadValue;
+ client->errorValue = val;
+ goto PatchUp;
+ }
+ pWin->winGravity = val;
+ break;
+ case CWBackingStore:
+ val = (CARD8 )*pVlist;
+ pVlist++;
+ if ((val != NotUseful) && (val != WhenMapped) && (val != Always))
+ {
+ error = BadValue;
+ client->errorValue = val;
+ goto PatchUp;
+ }
+ pWin->backingStore = val;
+ pWin->forcedBS = FALSE;
+ break;
+ case CWBackingPlanes:
+ if (pWin->optional || ((CARD32)*pVlist != (CARD32)~0L)) {
+ if (!pWin->optional && !MakeWindowOptional (pWin))
+ {
+ error = BadAlloc;
+ goto PatchUp;
+ }
+ pWin->optional->backingBitPlanes = (CARD32) *pVlist;
+ if ((CARD32)*pVlist == (CARD32)~0L)
+ checkOptional = TRUE;
+ }
+ pVlist++;
+ break;
+ case CWBackingPixel:
+ if (pWin->optional || (CARD32) *pVlist) {
+ if (!pWin->optional && !MakeWindowOptional (pWin))
+ {
+ error = BadAlloc;
+ goto PatchUp;
+ }
+ pWin->optional->backingPixel = (CARD32) *pVlist;
+ if (!*pVlist)
+ checkOptional = TRUE;
+ }
+ pVlist++;
+ break;
+ case CWSaveUnder:
+ val = (BOOL) *pVlist;
+ pVlist++;
+ if ((val != xTrue) && (val != xFalse))
+ {
+ error = BadValue;
+ client->errorValue = val;
+ goto PatchUp;
+ }
+ pWin->saveUnder = val;
+ break;
+ case CWEventMask:
+ rc = EventSelectForWindow(pWin, client, (Mask )*pVlist);
+ if (rc)
+ {
+ error = rc;
+ goto PatchUp;
+ }
+ pVlist++;
+ break;
+ case CWDontPropagate:
+ rc = EventSuppressForWindow(pWin, client, (Mask )*pVlist,
+ &checkOptional);
+ if (rc)
+ {
+ error = rc;
+ goto PatchUp;
+ }
+ pVlist++;
+ break;
+ case CWOverrideRedirect:
+ val = (BOOL ) *pVlist;
+ pVlist++;
+ if ((val != xTrue) && (val != xFalse))
+ {
+ error = BadValue;
+ client->errorValue = val;
+ goto PatchUp;
+ }
+ if (val == xTrue) {
+ rc = XaceHook(XACE_RESOURCE_ACCESS, client, pWin->drawable.id,
+ RT_WINDOW, pWin, RT_NONE, NULL, DixGrabAccess);
+ if (rc != Success) {
+ error = rc;
+ client->errorValue = pWin->drawable.id;
+ goto PatchUp;
+ }
+ }
+ pWin->overrideRedirect = val;
+ break;
+ case CWColormap:
+ cmap = (Colormap) *pVlist;
+ pVlist++;
+ if (cmap == CopyFromParent)
+ {
+ if (pWin->parent &&
+ (!pWin->optional ||
+ pWin->optional->visual == wVisual (pWin->parent)))
+ {
+ cmap = wColormap (pWin->parent);
+ }
+ else
+ cmap = None;
+ }
+ if (cmap == None)
+ {
+ error = BadMatch;
+ goto PatchUp;
+ }
+ rc = dixLookupResourceByType((pointer *)&pCmap, cmap, RT_COLORMAP,
+ client, DixUseAccess);
+ if (rc != Success)
+ {
+ error = (rc == BadValue) ? BadColor : rc;
+ client->errorValue = cmap;
+ goto PatchUp;
+ }
+ if (pCmap->pVisual->vid != wVisual (pWin) ||
+ pCmap->pScreen != pScreen)
+ {
+ error = BadMatch;
+ goto PatchUp;
+ }
+ if (cmap != wColormap (pWin))
+ {
+ if (!pWin->optional)
+ {
+ if (!MakeWindowOptional (pWin))
+ {
+ error = BadAlloc;
+ goto PatchUp;
+ }
+ }
+ else if (pWin->parent && cmap == wColormap (pWin->parent))
+ checkOptional = TRUE;
+
+ /*
+ * propagate the original colormap to any children
+ * inheriting it
+ */
+
+ for (pChild = pWin->firstChild; pChild; pChild=pChild->nextSib)
+ {
+ if (!pChild->optional && !MakeWindowOptional (pChild))
+ {
+ error = BadAlloc;
+ goto PatchUp;
+ }
+ }
+
+ pWin->optional->colormap = cmap;
+
+ /*
+ * check on any children now matching the new colormap
+ */
+
+ for (pChild = pWin->firstChild; pChild; pChild=pChild->nextSib)
+ {
+ if (pChild->optional->colormap == cmap)
+ CheckWindowOptionalNeed (pChild);
+ }
+
+ xE.u.u.type = ColormapNotify;
+ xE.u.colormap.window = pWin->drawable.id;
+ xE.u.colormap.colormap = cmap;
+ xE.u.colormap.new = xTrue;
+ xE.u.colormap.state = IsMapInstalled(cmap, pWin);
+ DeliverEvents(pWin, &xE, 1, NullWindow);
+ }
+ break;
+ case CWCursor:
+ cursorID = (Cursor ) *pVlist;
+ pVlist++;
+ /*
+ * install the new
+ */
+ if ( cursorID == None)
+ {
+ if (pWin == WindowTable[pWin->drawable.pScreen->myNum])
+ pCursor = rootCursor;
+ else
+ pCursor = (CursorPtr) None;
+ }
+ else
+ {
+ rc = dixLookupResourceByType((pointer *)&pCursor, cursorID,
+ RT_CURSOR, client, DixUseAccess);
+ if (rc != Success)
+ {
+ error = (rc == BadValue) ? BadCursor : rc;
+ client->errorValue = cursorID;
+ goto PatchUp;
+ }
+ }
+
+ if (pCursor != wCursor (pWin))
+ {
+ /*
+ * patch up child windows so they don't lose cursors.
+ */
+
+ for (pChild = pWin->firstChild; pChild; pChild=pChild->nextSib)
+ {
+ if (!pChild->optional && !pChild->cursorIsNone &&
+ !MakeWindowOptional (pChild))
+ {
+ error = BadAlloc;
+ goto PatchUp;
+ }
+ }
+
+ pOldCursor = 0;
+ if (pCursor == (CursorPtr) None)
+ {
+ pWin->cursorIsNone = TRUE;
+ if (pWin->optional)
+ {
+ pOldCursor = pWin->optional->cursor;
+ pWin->optional->cursor = (CursorPtr) None;
+ checkOptional = TRUE;
+ }
+ } else {
+ if (!pWin->optional)
+ {
+ if (!MakeWindowOptional (pWin))
+ {
+ error = BadAlloc;
+ goto PatchUp;
+ }
+ }
+ else if (pWin->parent && pCursor == wCursor (pWin->parent))
+ checkOptional = TRUE;
+ pOldCursor = pWin->optional->cursor;
+ pWin->optional->cursor = pCursor;
+ pCursor->refcnt++;
+ pWin->cursorIsNone = FALSE;
+ /*
+ * check on any children now matching the new cursor
+ */
+
+ for (pChild=pWin->firstChild; pChild; pChild=pChild->nextSib)
+ {
+ if (pChild->optional &&
+ (pChild->optional->cursor == pCursor))
+ CheckWindowOptionalNeed (pChild);
+ }
+ }
+
+ if (pWin->realized)
+ WindowHasNewCursor( pWin);
+
+ /* Can't free cursor until here - old cursor
+ * is needed in WindowHasNewCursor
+ */
+ if (pOldCursor)
+ FreeCursor (pOldCursor, (Cursor)0);
+ }
+ break;
+ default:
+ error = BadValue;
+ client->errorValue = vmask;
+ goto PatchUp;
+ }
+ vmaskCopy |= index2;
+ }
+PatchUp:
+ if (checkOptional)
+ CheckWindowOptionalNeed (pWin);
+
+ /* We SHOULD check for an error value here XXX */
+ (*pScreen->ChangeWindowAttributes)(pWin, vmaskCopy);
+
+ /*
+ If the border contents have changed, redraw the border.
+ Note that this has to be done AFTER pScreen->ChangeWindowAttributes
+ for the tile to be rotated, and the correct function selected.
+ */
+ if (((vmaskCopy & (CWBorderPixel | CWBorderPixmap)) || borderRelative)
+ && pWin->viewable && HasBorder (pWin))
+ {
+ RegionRec exposed;
+
+ REGION_NULL(pScreen, &exposed);
+ REGION_SUBTRACT(pScreen, &exposed, &pWin->borderClip, &pWin->winSize);
+ miPaintWindow(pWin, &exposed, PW_BORDER);
+ REGION_UNINIT(pScreen, &exposed);
+ }
+ return error;
+}
+
+
+/*****
+ * GetWindowAttributes
+ * Notice that this is different than ChangeWindowAttributes
+ *****/
+
+void
+GetWindowAttributes(WindowPtr pWin, ClientPtr client, xGetWindowAttributesReply *wa)
+{
+ wa->type = X_Reply;
+ wa->bitGravity = pWin->bitGravity;
+ wa->winGravity = pWin->winGravity;
+ if (pWin->forcedBS && pWin->backingStore != Always)
+ wa->backingStore = NotUseful;
+ else
+ wa->backingStore = pWin->backingStore;
+ wa->length = bytes_to_int32(sizeof(xGetWindowAttributesReply) -
+ sizeof(xGenericReply));
+ wa->sequenceNumber = client->sequence;
+ wa->backingBitPlanes = wBackingBitPlanes (pWin);
+ wa->backingPixel = wBackingPixel (pWin);
+ wa->saveUnder = (BOOL)pWin->saveUnder;
+ wa->override = pWin->overrideRedirect;
+ if (!pWin->mapped)
+ wa->mapState = IsUnmapped;
+ else if (pWin->realized)
+ wa->mapState = IsViewable;
+ else
+ wa->mapState = IsUnviewable;
+
+ wa->colormap = wColormap (pWin);
+ wa->mapInstalled = (wa->colormap == None) ? xFalse
+ : IsMapInstalled(wa->colormap, pWin);
+
+ wa->yourEventMask = EventMaskForClient(pWin, client);
+ wa->allEventMasks = pWin->eventMask | wOtherEventMasks (pWin);
+ wa->doNotPropagateMask = wDontPropagateMask (pWin);
+ wa->class = pWin->drawable.class;
+ wa->visualID = wVisual (pWin);
+}
+
+
+WindowPtr
+MoveWindowInStack(WindowPtr pWin, WindowPtr pNextSib)
+{
+ WindowPtr pParent = pWin->parent;
+ WindowPtr pFirstChange = pWin; /* highest window where list changes */
+
+ if (pWin->nextSib != pNextSib)
+ {
+ WindowPtr pOldNextSib = pWin->nextSib;
+
+ if (!pNextSib) /* move to bottom */
+ {
+ if (pParent->firstChild == pWin)
+ pParent->firstChild = pWin->nextSib;
+ /* if (pWin->nextSib) */ /* is always True: pNextSib == NULL
+ * and pWin->nextSib != pNextSib
+ * therefore pWin->nextSib != NULL */
+ pFirstChange = pWin->nextSib;
+ pWin->nextSib->prevSib = pWin->prevSib;
+ if (pWin->prevSib)
+ pWin->prevSib->nextSib = pWin->nextSib;
+ pParent->lastChild->nextSib = pWin;
+ pWin->prevSib = pParent->lastChild;
+ pWin->nextSib = NullWindow;
+ pParent->lastChild = pWin;
+ }
+ else if (pParent->firstChild == pNextSib) /* move to top */
+ {
+ pFirstChange = pWin;
+ if (pParent->lastChild == pWin)
+ pParent->lastChild = pWin->prevSib;
+ if (pWin->nextSib)
+ pWin->nextSib->prevSib = pWin->prevSib;
+ if (pWin->prevSib)
+ pWin->prevSib->nextSib = pWin->nextSib;
+ pWin->nextSib = pParent->firstChild;
+ pWin->prevSib = (WindowPtr ) NULL;
+ pNextSib->prevSib = pWin;
+ pParent->firstChild = pWin;
+ }
+ else /* move in middle of list */
+ {
+ WindowPtr pOldNext = pWin->nextSib;
+
+ pFirstChange = NullWindow;
+ if (pParent->firstChild == pWin)
+ pFirstChange = pParent->firstChild = pWin->nextSib;
+ if (pParent->lastChild == pWin) {
+ pFirstChange = pWin;
+ pParent->lastChild = pWin->prevSib;
+ }
+ if (pWin->nextSib)
+ pWin->nextSib->prevSib = pWin->prevSib;
+ if (pWin->prevSib)
+ pWin->prevSib->nextSib = pWin->nextSib;
+ pWin->nextSib = pNextSib;
+ pWin->prevSib = pNextSib->prevSib;
+ if (pNextSib->prevSib)
+ pNextSib->prevSib->nextSib = pWin;
+ pNextSib->prevSib = pWin;
+ if (!pFirstChange) { /* do we know it yet? */
+ pFirstChange = pParent->firstChild; /* no, search from top */
+ while ((pFirstChange != pWin) && (pFirstChange != pOldNext))
+ pFirstChange = pFirstChange->nextSib;
+ }
+ }
+ if(pWin->drawable.pScreen->RestackWindow)
+ (*pWin->drawable.pScreen->RestackWindow)(pWin, pOldNextSib);
+ }
+
+#ifdef ROOTLESS
+ /*
+ * In rootless mode we can't optimize away window restacks.
+ * There may be non-X windows around, so even if the window
+ * is in the correct position from X's point of view,
+ * the underlying window system may want to reorder it.
+ */
+ else if (pWin->drawable.pScreen->RestackWindow)
+ (*pWin->drawable.pScreen->RestackWindow)(pWin, pWin->nextSib);
+#endif
+
+ return( pFirstChange );
+}
+
+void
+SetWinSize (WindowPtr pWin)
+{
+#ifdef COMPOSITE
+ if (pWin->redirectDraw != RedirectDrawNone)
+ {
+ BoxRec box;
+
+ /*
+ * Redirected clients get clip list equal to their
+ * own geometry, not clipped to their parent
+ */
+ box.x1 = pWin->drawable.x;
+ box.y1 = pWin->drawable.y;
+ box.x2 = pWin->drawable.x + pWin->drawable.width;
+ box.y2 = pWin->drawable.y + pWin->drawable.height;
+ REGION_RESET (pScreen, &pWin->winSize, &box);
+ }
+ else
+#endif
+ ClippedRegionFromBox(pWin->parent, &pWin->winSize,
+ pWin->drawable.x, pWin->drawable.y,
+ (int)pWin->drawable.width,
+ (int)pWin->drawable.height);
+ if (wBoundingShape (pWin) || wClipShape (pWin)) {
+ ScreenPtr pScreen;
+ pScreen = pWin->drawable.pScreen;
+
+ REGION_TRANSLATE(pScreen, &pWin->winSize, - pWin->drawable.x,
+ - pWin->drawable.y);
+ if (wBoundingShape (pWin))
+ REGION_INTERSECT(pScreen, &pWin->winSize, &pWin->winSize,
+ wBoundingShape (pWin));
+ if (wClipShape (pWin))
+ REGION_INTERSECT(pScreen, &pWin->winSize, &pWin->winSize,
+ wClipShape (pWin));
+ REGION_TRANSLATE(pScreen, &pWin->winSize, pWin->drawable.x,
+ pWin->drawable.y);
+ }
+}
+
+void
+SetBorderSize (WindowPtr pWin)
+{
+ int bw;
+
+ if (HasBorder (pWin)) {
+ bw = wBorderWidth (pWin);
+#ifdef COMPOSITE
+ if (pWin->redirectDraw != RedirectDrawNone)
+ {
+ BoxRec box;
+
+ /*
+ * Redirected clients get clip list equal to their
+ * own geometry, not clipped to their parent
+ */
+ box.x1 = pWin->drawable.x - bw;
+ box.y1 = pWin->drawable.y - bw;
+ box.x2 = pWin->drawable.x + pWin->drawable.width + bw;
+ box.y2 = pWin->drawable.y + pWin->drawable.height + bw;
+ REGION_RESET (pScreen, &pWin->borderSize, &box);
+ }
+ else
+#endif
+ ClippedRegionFromBox(pWin->parent, &pWin->borderSize,
+ pWin->drawable.x - bw, pWin->drawable.y - bw,
+ (int)(pWin->drawable.width + (bw<<1)),
+ (int)(pWin->drawable.height + (bw<<1)));
+ if (wBoundingShape (pWin)) {
+ ScreenPtr pScreen;
+ pScreen = pWin->drawable.pScreen;
+
+ REGION_TRANSLATE(pScreen, &pWin->borderSize, - pWin->drawable.x,
+ - pWin->drawable.y);
+ REGION_INTERSECT(pScreen, &pWin->borderSize, &pWin->borderSize,
+ wBoundingShape (pWin));
+ REGION_TRANSLATE(pScreen, &pWin->borderSize, pWin->drawable.x,
+ pWin->drawable.y);
+ REGION_UNION(pScreen, &pWin->borderSize, &pWin->borderSize,
+ &pWin->winSize);
+ }
+ } else {
+ REGION_COPY(pWin->drawable.pScreen, &pWin->borderSize,
+ &pWin->winSize);
+ }
+}
+
+/**
+ *
+ * \param x,y new window position
+ * \param oldx,oldy old window position
+ * \param destx,desty position relative to gravity
+ */
+
+void
+GravityTranslate (int x, int y, int oldx, int oldy,
+ int dw, int dh, unsigned gravity,
+ int *destx, int *desty)
+{
+ switch (gravity) {
+ case NorthGravity:
+ *destx = x + dw / 2;
+ *desty = y;
+ break;
+ case NorthEastGravity:
+ *destx = x + dw;
+ *desty = y;
+ break;
+ case WestGravity:
+ *destx = x;
+ *desty = y + dh / 2;
+ break;
+ case CenterGravity:
+ *destx = x + dw / 2;
+ *desty = y + dh / 2;
+ break;
+ case EastGravity:
+ *destx = x + dw;
+ *desty = y + dh / 2;
+ break;
+ case SouthWestGravity:
+ *destx = x;
+ *desty = y + dh;
+ break;
+ case SouthGravity:
+ *destx = x + dw / 2;
+ *desty = y + dh;
+ break;
+ case SouthEastGravity:
+ *destx = x + dw;
+ *desty = y + dh;
+ break;
+ case StaticGravity:
+ *destx = oldx;
+ *desty = oldy;
+ break;
+ default:
+ *destx = x;
+ *desty = y;
+ break;
+ }
+}
+
+/* XXX need to retile border on each window with ParentRelative origin */
+void
+ResizeChildrenWinSize(WindowPtr pWin, int dx, int dy, int dw, int dh)
+{
+ ScreenPtr pScreen;
+ WindowPtr pSib, pChild;
+ Bool resized = (dw || dh);
+
+ pScreen = pWin->drawable.pScreen;
+
+ for (pSib = pWin->firstChild; pSib; pSib = pSib->nextSib)
+ {
+ if (resized && (pSib->winGravity > NorthWestGravity))
+ {
+ int cwsx, cwsy;
+
+ cwsx = pSib->origin.x;
+ cwsy = pSib->origin.y;
+ GravityTranslate (cwsx, cwsy, cwsx - dx, cwsy - dy, dw, dh,
+ pSib->winGravity, &cwsx, &cwsy);
+ if (cwsx != pSib->origin.x || cwsy != pSib->origin.y)
+ {
+ xEvent event;
+
+ event.u.u.type = GravityNotify;
+ event.u.gravity.window = pSib->drawable.id;
+ event.u.gravity.x = cwsx - wBorderWidth (pSib);
+ event.u.gravity.y = cwsy - wBorderWidth (pSib);
+ DeliverEvents (pSib, &event, 1, NullWindow);
+ pSib->origin.x = cwsx;
+ pSib->origin.y = cwsy;
+ }
+ }
+ pSib->drawable.x = pWin->drawable.x + pSib->origin.x;
+ pSib->drawable.y = pWin->drawable.y + pSib->origin.y;
+ SetWinSize (pSib);
+ SetBorderSize (pSib);
+ (*pScreen->PositionWindow)(pSib, pSib->drawable.x, pSib->drawable.y);
+
+ if ( (pChild = pSib->firstChild) )
+ {
+ while (1)
+ {
+ pChild->drawable.x = pChild->parent->drawable.x +
+ pChild->origin.x;
+ pChild->drawable.y = pChild->parent->drawable.y +
+ pChild->origin.y;
+ SetWinSize (pChild);
+ SetBorderSize (pChild);
+ (*pScreen->PositionWindow)(pChild,
+ pChild->drawable.x, pChild->drawable.y);
+ if (pChild->firstChild)
+ {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ while (!pChild->nextSib && (pChild != pSib))
+ pChild = pChild->parent;
+ if (pChild == pSib)
+ break;
+ pChild = pChild->nextSib;
+ }
+ }
+ }
+}
+
+#define GET_INT16(m, f) \
+ if (m & mask) \
+ { \
+ f = (INT16) *pVlist;\
+ pVlist++; \
+ }
+#define GET_CARD16(m, f) \
+ if (m & mask) \
+ { \
+ f = (CARD16) *pVlist;\
+ pVlist++;\
+ }
+
+#define GET_CARD8(m, f) \
+ if (m & mask) \
+ { \
+ f = (CARD8) *pVlist;\
+ pVlist++;\
+ }
+
+#define ChangeMask ((Mask)(CWX | CWY | CWWidth | CWHeight))
+
+#define IllegalInputOnlyConfigureMask (CWBorderWidth)
+
+/*
+ * IsSiblingAboveMe
+ * returns Above if pSib above pMe in stack or Below otherwise
+ */
+
+static int
+IsSiblingAboveMe(
+ WindowPtr pMe,
+ WindowPtr pSib)
+{
+ WindowPtr pWin;
+
+ pWin = pMe->parent->firstChild;
+ while (pWin)
+ {
+ if (pWin == pSib)
+ return(Above);
+ else if (pWin == pMe)
+ return(Below);
+ pWin = pWin->nextSib;
+ }
+ return(Below);
+}
+
+static BoxPtr
+WindowExtents(
+ WindowPtr pWin,
+ BoxPtr pBox)
+{
+ pBox->x1 = pWin->drawable.x - wBorderWidth (pWin);
+ pBox->y1 = pWin->drawable.y - wBorderWidth (pWin);
+ pBox->x2 = pWin->drawable.x + (int)pWin->drawable.width
+ + wBorderWidth (pWin);
+ pBox->y2 = pWin->drawable.y + (int)pWin->drawable.height
+ + wBorderWidth (pWin);
+ return(pBox);
+}
+
+#define IS_SHAPED(pWin) (wBoundingShape (pWin) != (RegionPtr) NULL)
+
+static RegionPtr
+MakeBoundingRegion (
+ WindowPtr pWin,
+ BoxPtr pBox)
+{
+ RegionPtr pRgn;
+ ScreenPtr pScreen;
+ pScreen = pWin->drawable.pScreen;
+
+ pRgn = REGION_CREATE(pScreen, pBox, 1);
+ if (wBoundingShape (pWin)) {
+ REGION_TRANSLATE(pScreen, pRgn, -pWin->origin.x,
+ -pWin->origin.y);
+ REGION_INTERSECT(pScreen, pRgn, pRgn, wBoundingShape (pWin));
+ REGION_TRANSLATE(pScreen, pRgn, pWin->origin.x,
+ pWin->origin.y);
+ }
+ return pRgn;
+}
+
+static Bool
+ShapeOverlap (
+ WindowPtr pWin,
+ BoxPtr pWinBox,
+ WindowPtr pSib,
+ BoxPtr pSibBox)
+{
+ RegionPtr pWinRgn, pSibRgn;
+ ScreenPtr pScreen;
+ Bool ret;
+
+ if (!IS_SHAPED(pWin) && !IS_SHAPED(pSib))
+ return TRUE;
+ pScreen = pWin->drawable.pScreen;
+ pWinRgn = MakeBoundingRegion (pWin, pWinBox);
+ pSibRgn = MakeBoundingRegion (pSib, pSibBox);
+ REGION_INTERSECT(pScreen, pWinRgn, pWinRgn, pSibRgn);
+ ret = REGION_NOTEMPTY(pScreen, pWinRgn);
+ REGION_DESTROY(pScreen, pWinRgn);
+ REGION_DESTROY(pScreen, pSibRgn);
+ return ret;
+}
+
+static Bool
+AnyWindowOverlapsMe(
+ WindowPtr pWin,
+ WindowPtr pHead,
+ BoxPtr box)
+{
+ WindowPtr pSib;
+ BoxRec sboxrec;
+ BoxPtr sbox;
+
+ for (pSib = pWin->prevSib; pSib != pHead; pSib = pSib->prevSib)
+ {
+ if (pSib->mapped)
+ {
+ sbox = WindowExtents(pSib, &sboxrec);
+ if (BOXES_OVERLAP(sbox, box)
+ && ShapeOverlap (pWin, box, pSib, sbox)
+ )
+ return(TRUE);
+ }
+ }
+ return(FALSE);
+}
+
+static Bool
+IOverlapAnyWindow(
+ WindowPtr pWin,
+ BoxPtr box)
+{
+ WindowPtr pSib;
+ BoxRec sboxrec;
+ BoxPtr sbox;
+
+ for (pSib = pWin->nextSib; pSib; pSib = pSib->nextSib)
+ {
+ if (pSib->mapped)
+ {
+ sbox = WindowExtents(pSib, &sboxrec);
+ if (BOXES_OVERLAP(sbox, box)
+ && ShapeOverlap (pWin, box, pSib, sbox)
+ )
+ return(TRUE);
+ }
+ }
+ return(FALSE);
+}
+
+/*
+ * WhereDoIGoInTheStack()
+ * Given pWin and pSib and the relationshipe smode, return
+ * the window that pWin should go ABOVE.
+ * If a pSib is specified:
+ * Above: pWin is placed just above pSib
+ * Below: pWin is placed just below pSib
+ * TopIf: if pSib occludes pWin, then pWin is placed
+ * at the top of the stack
+ * BottomIf: if pWin occludes pSib, then pWin is
+ * placed at the bottom of the stack
+ * Opposite: if pSib occludes pWin, then pWin is placed at the
+ * top of the stack, else if pWin occludes pSib, then
+ * pWin is placed at the bottom of the stack
+ *
+ * If pSib is NULL:
+ * Above: pWin is placed at the top of the stack
+ * Below: pWin is placed at the bottom of the stack
+ * TopIf: if any sibling occludes pWin, then pWin is placed at
+ * the top of the stack
+ * BottomIf: if pWin occludes any sibline, then pWin is placed at
+ * the bottom of the stack
+ * Opposite: if any sibling occludes pWin, then pWin is placed at
+ * the top of the stack, else if pWin occludes any
+ * sibling, then pWin is placed at the bottom of the stack
+ *
+ */
+
+static WindowPtr
+WhereDoIGoInTheStack(
+ WindowPtr pWin,
+ WindowPtr pSib,
+ short x,
+ short y,
+ unsigned short w,
+ unsigned short h,
+ int smode)
+{
+ BoxRec box;
+ ScreenPtr pScreen;
+ WindowPtr pHead, pFirst;
+
+ if ((pWin == pWin->parent->firstChild) &&
+ (pWin == pWin->parent->lastChild))
+ return((WindowPtr ) NULL);
+ pHead = RealChildHead(pWin->parent);
+ pFirst = pHead ? pHead->nextSib : pWin->parent->firstChild;
+ pScreen = pWin->drawable.pScreen;
+ box.x1 = x;
+ box.y1 = y;
+ box.x2 = x + (int)w;
+ box.y2 = y + (int)h;
+ switch (smode)
+ {
+ case Above:
+ if (pSib)
+ return(pSib);
+ else if (pWin == pFirst)
+ return(pWin->nextSib);
+ else
+ return(pFirst);
+ case Below:
+ if (pSib)
+ if (pSib->nextSib != pWin)
+ return(pSib->nextSib);
+ else
+ return(pWin->nextSib);
+ else
+ return NullWindow;
+ case TopIf:
+ if ((!pWin->mapped || (pSib && !pSib->mapped)))
+ return(pWin->nextSib);
+ else if (pSib)
+ {
+ if ((IsSiblingAboveMe(pWin, pSib) == Above) &&
+ (RECT_IN_REGION(pScreen, &pSib->borderSize, &box) != rgnOUT))
+ return(pFirst);
+ else
+ return(pWin->nextSib);
+ }
+ else if (AnyWindowOverlapsMe(pWin, pHead, &box))
+ return(pFirst);
+ else
+ return(pWin->nextSib);
+ case BottomIf:
+ if ((!pWin->mapped || (pSib && !pSib->mapped)))
+ return(pWin->nextSib);
+ else if (pSib)
+ {
+ if ((IsSiblingAboveMe(pWin, pSib) == Below) &&
+ (RECT_IN_REGION(pScreen, &pSib->borderSize, &box) != rgnOUT))
+ return NullWindow;
+ else
+ return(pWin->nextSib);
+ }
+ else if (IOverlapAnyWindow(pWin, &box))
+ return NullWindow;
+ else
+ return(pWin->nextSib);
+ case Opposite:
+ if ((!pWin->mapped || (pSib && !pSib->mapped)))
+ return(pWin->nextSib);
+ else if (pSib)
+ {
+ if (RECT_IN_REGION(pScreen, &pSib->borderSize, &box) != rgnOUT)
+ {
+ if (IsSiblingAboveMe(pWin, pSib) == Above)
+ return(pFirst);
+ else
+ return NullWindow;
+ }
+ else
+ return(pWin->nextSib);
+ }
+ else if (AnyWindowOverlapsMe(pWin, pHead, &box))
+ {
+ /* If I'm occluded, I can't possibly be the first child
+ * if (pWin == pWin->parent->firstChild)
+ * return pWin->nextSib;
+ */
+ return(pFirst);
+ }
+ else if (IOverlapAnyWindow(pWin, &box))
+ return NullWindow;
+ else
+ return pWin->nextSib;
+ default:
+ {
+ /* should never happen; make something up. */
+ return pWin->nextSib;
+ }
+ }
+}
+
+static void
+ReflectStackChange(
+ WindowPtr pWin,
+ WindowPtr pSib,
+ VTKind kind)
+{
+/* Note that pSib might be NULL */
+
+ Bool WasViewable = (Bool)pWin->viewable;
+ Bool anyMarked;
+ WindowPtr pFirstChange;
+ WindowPtr pLayerWin;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ /* if this is a root window, can't be restacked */
+ if (!pWin->parent)
+ return;
+
+ pFirstChange = MoveWindowInStack(pWin, pSib);
+
+ if (WasViewable)
+ {
+ anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pFirstChange,
+ &pLayerWin);
+ if (pLayerWin != pWin) pFirstChange = pLayerWin;
+ if (anyMarked)
+ {
+ (*pScreen->ValidateTree)(pLayerWin->parent, pFirstChange, kind);
+ (*pScreen->HandleExposures)(pLayerWin->parent);
+ }
+ if (anyMarked && pWin->drawable.pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(pLayerWin->parent, pFirstChange, kind);
+ }
+ if (pWin->realized)
+ WindowsRestructured ();
+}
+
+/*****
+ * ConfigureWindow
+ *****/
+
+int
+ConfigureWindow(WindowPtr pWin, Mask mask, XID *vlist, ClientPtr client)
+{
+#define RESTACK_WIN 0
+#define MOVE_WIN 1
+#define RESIZE_WIN 2
+#define REBORDER_WIN 3
+ WindowPtr pSib = NullWindow;
+ WindowPtr pParent = pWin->parent;
+ Window sibwid = 0;
+ Mask index2, tmask;
+ XID *pVlist;
+ short x, y, beforeX, beforeY;
+ unsigned short w = pWin->drawable.width,
+ h = pWin->drawable.height,
+ bw = pWin->borderWidth;
+ int rc, action, smode = Above;
+ xEvent event;
+
+ if ((pWin->drawable.class == InputOnly) && (mask & IllegalInputOnlyConfigureMask))
+ return(BadMatch);
+
+ if ((mask & CWSibling) && !(mask & CWStackMode))
+ return(BadMatch);
+
+ pVlist = vlist;
+
+ if (pParent)
+ {
+ x = pWin->drawable.x - pParent->drawable.x - (int)bw;
+ y = pWin->drawable.y - pParent->drawable.y - (int)bw;
+ }
+ else
+ {
+ x = pWin->drawable.x;
+ y = pWin->drawable.y;
+ }
+ beforeX = x;
+ beforeY = y;
+ action = RESTACK_WIN;
+ if ((mask & (CWX | CWY)) && (!(mask & (CWHeight | CWWidth))))
+ {
+ GET_INT16(CWX, x);
+ GET_INT16(CWY, y);
+ action = MOVE_WIN;
+ }
+ /* or should be resized */
+ else if (mask & (CWX | CWY | CWWidth | CWHeight))
+ {
+ GET_INT16(CWX, x);
+ GET_INT16(CWY, y);
+ GET_CARD16(CWWidth, w);
+ GET_CARD16 (CWHeight, h);
+ if (!w || !h)
+ {
+ client->errorValue = 0;
+ return BadValue;
+ }
+ action = RESIZE_WIN;
+ }
+ tmask = mask & ~ChangeMask;
+ while (tmask)
+ {
+ index2 = (Mask)lowbit (tmask);
+ tmask &= ~index2;
+ switch (index2)
+ {
+ case CWBorderWidth:
+ GET_CARD16(CWBorderWidth, bw);
+ break;
+ case CWSibling:
+ sibwid = (Window ) *pVlist;
+ pVlist++;
+ rc = dixLookupWindow(&pSib, sibwid, client, DixGetAttrAccess);
+ if (rc != Success)
+ {
+ client->errorValue = sibwid;
+ return rc;
+ }
+ if (pSib->parent != pParent)
+ return(BadMatch);
+ if (pSib == pWin)
+ return(BadMatch);
+ break;
+ case CWStackMode:
+ GET_CARD8(CWStackMode, smode);
+ if ((smode != TopIf) && (smode != BottomIf) &&
+ (smode != Opposite) && (smode != Above) && (smode != Below))
+ {
+ client->errorValue = smode;
+ return(BadValue);
+ }
+ break;
+ default:
+ client->errorValue = mask;
+ return(BadValue);
+ }
+ }
+ /* root really can't be reconfigured, so just return */
+ if (!pParent)
+ return Success;
+
+ /* Figure out if the window should be moved. Doesnt
+ make the changes to the window if event sent */
+
+ if (mask & CWStackMode)
+ pSib = WhereDoIGoInTheStack(pWin, pSib, pParent->drawable.x + x,
+ pParent->drawable.y + y,
+ w + (bw << 1), h + (bw << 1), smode);
+ else
+ pSib = pWin->nextSib;
+
+
+ if ((!pWin->overrideRedirect) &&
+ (RedirectSend(pParent)
+ ))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = ConfigureRequest;
+ event.u.configureRequest.window = pWin->drawable.id;
+ if (mask & CWSibling)
+ event.u.configureRequest.sibling = sibwid;
+ else
+ event.u.configureRequest.sibling = None;
+ if (mask & CWStackMode)
+ event.u.u.detail = smode;
+ else
+ event.u.u.detail = Above;
+ event.u.configureRequest.x = x;
+ event.u.configureRequest.y = y;
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && (!pParent || !pParent->parent)) {
+ event.u.configureRequest.x += panoramiXdataPtr[0].x;
+ event.u.configureRequest.y += panoramiXdataPtr[0].y;
+ }
+#endif
+ event.u.configureRequest.width = w;
+ event.u.configureRequest.height = h;
+ event.u.configureRequest.borderWidth = bw;
+ event.u.configureRequest.valueMask = mask;
+ event.u.configureRequest.parent = pParent->drawable.id;
+ if (MaybeDeliverEventsToClient(pParent, &event, 1,
+ SubstructureRedirectMask, client) == 1)
+ return(Success);
+ }
+ if (action == RESIZE_WIN)
+ {
+ Bool size_change = (w != pWin->drawable.width)
+ || (h != pWin->drawable.height);
+ if (size_change && ((pWin->eventMask|wOtherEventMasks(pWin)) & ResizeRedirectMask))
+ {
+ xEvent eventT;
+ memset(&eventT, 0, sizeof(xEvent));
+ eventT.u.u.type = ResizeRequest;
+ eventT.u.resizeRequest.window = pWin->drawable.id;
+ eventT.u.resizeRequest.width = w;
+ eventT.u.resizeRequest.height = h;
+ if (MaybeDeliverEventsToClient(pWin, &eventT, 1,
+ ResizeRedirectMask, client) == 1)
+ {
+ /* if event is delivered, leave the actual size alone. */
+ w = pWin->drawable.width;
+ h = pWin->drawable.height;
+ size_change = FALSE;
+ }
+ }
+ if (!size_change)
+ {
+ if (mask & (CWX | CWY))
+ action = MOVE_WIN;
+ else if (mask & (CWStackMode | CWBorderWidth))
+ action = RESTACK_WIN;
+ else /* really nothing to do */
+ return(Success) ;
+ }
+ }
+
+ if (action == RESIZE_WIN)
+ /* we've already checked whether there's really a size change */
+ goto ActuallyDoSomething;
+ if ((mask & CWX) && (x != beforeX))
+ goto ActuallyDoSomething;
+ if ((mask & CWY) && (y != beforeY))
+ goto ActuallyDoSomething;
+ if ((mask & CWBorderWidth) && (bw != wBorderWidth (pWin)))
+ goto ActuallyDoSomething;
+ if (mask & CWStackMode)
+ {
+#ifndef ROOTLESS
+ /* See above for why we always reorder in rootless mode. */
+ if (pWin->nextSib != pSib)
+#endif
+ goto ActuallyDoSomething;
+ }
+ return(Success);
+
+ActuallyDoSomething:
+ if (pWin->drawable.pScreen->ConfigNotify)
+ (*pWin->drawable.pScreen->ConfigNotify)(pWin, x, y, w, h, bw, pSib);
+
+ if (SubStrSend(pWin, pParent))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = ConfigureNotify;
+ event.u.configureNotify.window = pWin->drawable.id;
+ if (pSib)
+ event.u.configureNotify.aboveSibling = pSib->drawable.id;
+ else
+ event.u.configureNotify.aboveSibling = None;
+ event.u.configureNotify.x = x;
+ event.u.configureNotify.y = y;
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && (!pParent || !pParent->parent)) {
+ event.u.configureNotify.x += panoramiXdataPtr[0].x;
+ event.u.configureNotify.y += panoramiXdataPtr[0].y;
+ }
+#endif
+ event.u.configureNotify.width = w;
+ event.u.configureNotify.height = h;
+ event.u.configureNotify.borderWidth = bw;
+ event.u.configureNotify.override = pWin->overrideRedirect;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+ }
+ if (mask & CWBorderWidth)
+ {
+ if (action == RESTACK_WIN)
+ {
+ action = MOVE_WIN;
+ pWin->borderWidth = bw;
+ }
+ else if ((action == MOVE_WIN) &&
+ (beforeX + wBorderWidth (pWin) == x + (int)bw) &&
+ (beforeY + wBorderWidth (pWin) == y + (int)bw))
+ {
+ action = REBORDER_WIN;
+ (*pWin->drawable.pScreen->ChangeBorderWidth)(pWin, bw);
+ }
+ else
+ pWin->borderWidth = bw;
+ }
+ if (action == MOVE_WIN)
+ (*pWin->drawable.pScreen->MoveWindow)(pWin, x, y, pSib,
+ (mask & CWBorderWidth) ? VTOther : VTMove);
+ else if (action == RESIZE_WIN)
+ (*pWin->drawable.pScreen->ResizeWindow)(pWin, x, y, w, h, pSib);
+ else if (mask & CWStackMode)
+ ReflectStackChange(pWin, pSib, VTOther);
+
+ if (action != RESTACK_WIN)
+ CheckCursorConfinement(pWin);
+ return(Success);
+#undef RESTACK_WIN
+#undef MOVE_WIN
+#undef RESIZE_WIN
+#undef REBORDER_WIN
+}
+
+
+/******
+ *
+ * CirculateWindow
+ * For RaiseLowest, raises the lowest mapped child (if any) that is
+ * obscured by another child to the top of the stack. For LowerHighest,
+ * lowers the highest mapped child (if any) that is obscuring another
+ * child to the bottom of the stack. Exposure processing is performed
+ *
+ ******/
+
+int
+CirculateWindow(WindowPtr pParent, int direction, ClientPtr client)
+{
+ WindowPtr pWin, pHead, pFirst;
+ xEvent event;
+ BoxRec box;
+
+ pHead = RealChildHead(pParent);
+ pFirst = pHead ? pHead->nextSib : pParent->firstChild;
+ if (direction == RaiseLowest)
+ {
+ for (pWin = pParent->lastChild;
+ (pWin != pHead) &&
+ !(pWin->mapped &&
+ AnyWindowOverlapsMe(pWin, pHead, WindowExtents(pWin, &box)));
+ pWin = pWin->prevSib) ;
+ if (pWin == pHead)
+ return Success;
+ }
+ else
+ {
+ for (pWin = pFirst;
+ pWin &&
+ !(pWin->mapped &&
+ IOverlapAnyWindow(pWin, WindowExtents(pWin, &box)));
+ pWin = pWin->nextSib) ;
+ if (!pWin)
+ return Success;
+ }
+
+ event.u.circulate.window = pWin->drawable.id;
+ event.u.circulate.parent = pParent->drawable.id;
+ event.u.circulate.event = pParent->drawable.id;
+ if (direction == RaiseLowest)
+ event.u.circulate.place = PlaceOnTop;
+ else
+ event.u.circulate.place = PlaceOnBottom;
+
+ if (RedirectSend(pParent))
+ {
+ event.u.u.type = CirculateRequest;
+ if (MaybeDeliverEventsToClient(pParent, &event, 1,
+ SubstructureRedirectMask, client) == 1)
+ return(Success);
+ }
+
+ event.u.u.type = CirculateNotify;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+ ReflectStackChange(pWin,
+ (direction == RaiseLowest) ? pFirst : NullWindow,
+ VTStack);
+
+ return(Success);
+}
+
+static int
+CompareWIDs(
+ WindowPtr pWin,
+ pointer value) /* must conform to VisitWindowProcPtr */
+{
+ Window *wid = (Window *)value;
+
+ if (pWin->drawable.id == *wid)
+ return(WT_STOPWALKING);
+ else
+ return(WT_WALKCHILDREN);
+}
+
+/*****
+ * ReparentWindow
+ *****/
+
+int
+ReparentWindow(WindowPtr pWin, WindowPtr pParent,
+ int x, int y, ClientPtr client)
+{
+ WindowPtr pPrev, pPriorParent;
+ Bool WasMapped = (Bool)(pWin->mapped);
+ xEvent event;
+ int bw = wBorderWidth (pWin);
+ ScreenPtr pScreen;
+
+ pScreen = pWin->drawable.pScreen;
+ if (TraverseTree(pWin, CompareWIDs, (pointer)&pParent->drawable.id) == WT_STOPWALKING)
+ return(BadMatch);
+ if (!MakeWindowOptional(pWin))
+ return(BadAlloc);
+
+ if (WasMapped)
+ UnmapWindow(pWin, FALSE);
+
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = ReparentNotify;
+ event.u.reparent.window = pWin->drawable.id;
+ event.u.reparent.parent = pParent->drawable.id;
+ event.u.reparent.x = x;
+ event.u.reparent.y = y;
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && !pParent->parent) {
+ event.u.reparent.x += panoramiXdataPtr[0].x;
+ event.u.reparent.y += panoramiXdataPtr[0].y;
+ }
+#endif
+ event.u.reparent.override = pWin->overrideRedirect;
+ DeliverEvents(pWin, &event, 1, pParent);
+
+ /* take out of sibling chain */
+
+ pPriorParent = pPrev = pWin->parent;
+ if (pPrev->firstChild == pWin)
+ pPrev->firstChild = pWin->nextSib;
+ if (pPrev->lastChild == pWin)
+ pPrev->lastChild = pWin->prevSib;
+
+ if (pWin->nextSib)
+ pWin->nextSib->prevSib = pWin->prevSib;
+ if (pWin->prevSib)
+ pWin->prevSib->nextSib = pWin->nextSib;
+
+ /* insert at begining of pParent */
+ pWin->parent = pParent;
+ pPrev = RealChildHead(pParent);
+ if (pPrev)
+ {
+ pWin->nextSib = pPrev->nextSib;
+ if (pPrev->nextSib)
+ pPrev->nextSib->prevSib = pWin;
+ else
+ pParent->lastChild = pWin;
+ pPrev->nextSib = pWin;
+ pWin->prevSib = pPrev;
+ }
+ else
+ {
+ pWin->nextSib = pParent->firstChild;
+ pWin->prevSib = NullWindow;
+ if (pParent->firstChild)
+ pParent->firstChild->prevSib = pWin;
+ else
+ pParent->lastChild = pWin;
+ pParent->firstChild = pWin;
+ }
+
+ pWin->origin.x = x + bw;
+ pWin->origin.y = y + bw;
+ pWin->drawable.x = x + bw + pParent->drawable.x;
+ pWin->drawable.y = y + bw + pParent->drawable.y;
+
+ /* clip to parent */
+ SetWinSize (pWin);
+ SetBorderSize (pWin);
+
+ if (pScreen->ReparentWindow)
+ (*pScreen->ReparentWindow)(pWin, pPriorParent);
+ (*pScreen->PositionWindow)(pWin, pWin->drawable.x, pWin->drawable.y);
+ ResizeChildrenWinSize(pWin, 0, 0, 0, 0);
+
+ CheckWindowOptionalNeed(pWin);
+
+ if (WasMapped)
+ MapWindow(pWin, client);
+ RecalculateDeliverableEvents(pWin);
+ return(Success);
+}
+
+static void
+RealizeTree(WindowPtr pWin)
+{
+ WindowPtr pChild;
+ RealizeWindowProcPtr Realize;
+
+ Realize = pWin->drawable.pScreen->RealizeWindow;
+ pChild = pWin;
+ while (1)
+ {
+ if (pChild->mapped)
+ {
+ pChild->realized = TRUE;
+ pChild->viewable = (pChild->drawable.class == InputOutput);
+ (* Realize)(pChild);
+ if (pChild->firstChild)
+ {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ }
+ while (!pChild->nextSib && (pChild != pWin))
+ pChild = pChild->parent;
+ if (pChild == pWin)
+ return;
+ pChild = pChild->nextSib;
+ }
+}
+
+static WindowPtr windowDisableMapUnmapEvents;
+
+void
+DisableMapUnmapEvents(WindowPtr pWin)
+{
+ assert (windowDisableMapUnmapEvents == NULL);
+
+ windowDisableMapUnmapEvents = pWin;
+}
+
+void
+EnableMapUnmapEvents(WindowPtr pWin)
+{
+ assert (windowDisableMapUnmapEvents != NULL);
+
+ windowDisableMapUnmapEvents = NULL;
+}
+
+static Bool
+MapUnmapEventsEnabled(WindowPtr pWin)
+{
+ return pWin != windowDisableMapUnmapEvents;
+}
+
+/*****
+ * MapWindow
+ * If some other client has selected SubStructureReDirect on the parent
+ * and override-redirect is xFalse, then a MapRequest event is generated,
+ * but the window remains unmapped. Otherwise, the window is mapped and a
+ * MapNotify event is generated.
+ *****/
+
+int
+MapWindow(WindowPtr pWin, ClientPtr client)
+{
+ ScreenPtr pScreen;
+
+ WindowPtr pParent;
+ WindowPtr pLayerWin;
+
+ if (pWin->mapped)
+ return(Success);
+
+ /* general check for permission to map window */
+ if (XaceHook(XACE_RESOURCE_ACCESS, client, pWin->drawable.id, RT_WINDOW,
+ pWin, RT_NONE, NULL, DixShowAccess) != Success)
+ return Success;
+
+ pScreen = pWin->drawable.pScreen;
+ if ( (pParent = pWin->parent) )
+ {
+ xEvent event;
+ Bool anyMarked;
+
+ if ((!pWin->overrideRedirect) &&
+ (RedirectSend(pParent)
+ ))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = MapRequest;
+ event.u.mapRequest.window = pWin->drawable.id;
+ event.u.mapRequest.parent = pParent->drawable.id;
+
+ if (MaybeDeliverEventsToClient(pParent, &event, 1,
+ SubstructureRedirectMask, client) == 1)
+ return(Success);
+ }
+
+ pWin->mapped = TRUE;
+ if (SubStrSend(pWin, pParent) && MapUnmapEventsEnabled(pWin))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = MapNotify;
+ event.u.mapNotify.window = pWin->drawable.id;
+ event.u.mapNotify.override = pWin->overrideRedirect;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+ }
+
+ if (!pParent->realized)
+ return(Success);
+ RealizeTree(pWin);
+ if (pWin->viewable)
+ {
+ anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pWin,
+ &pLayerWin);
+ if (anyMarked)
+ {
+ (*pScreen->ValidateTree)(pLayerWin->parent, pLayerWin, VTMap);
+ (*pScreen->HandleExposures)(pLayerWin->parent);
+ }
+ if (anyMarked && pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(pLayerWin->parent, pLayerWin, VTMap);
+ }
+ WindowsRestructured ();
+ }
+ else
+ {
+ RegionRec temp;
+
+ pWin->mapped = TRUE;
+ pWin->realized = TRUE; /* for roots */
+ pWin->viewable = pWin->drawable.class == InputOutput;
+ /* We SHOULD check for an error value here XXX */
+ (*pScreen->RealizeWindow)(pWin);
+ if (pScreen->ClipNotify)
+ (*pScreen->ClipNotify) (pWin, 0, 0);
+ if (pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(NullWindow, pWin, VTMap);
+ REGION_NULL(pScreen, &temp);
+ REGION_COPY(pScreen, &temp, &pWin->clipList);
+ (*pScreen->WindowExposures) (pWin, &temp, NullRegion);
+ REGION_UNINIT(pScreen, &temp);
+ }
+
+ return(Success);
+}
+
+
+/*****
+ * MapSubwindows
+ * Performs a MapWindow all unmapped children of the window, in top
+ * to bottom stacking order.
+ *****/
+
+void
+MapSubwindows(WindowPtr pParent, ClientPtr client)
+{
+ WindowPtr pWin;
+ WindowPtr pFirstMapped = NullWindow;
+ ScreenPtr pScreen;
+ Mask parentRedirect;
+ Mask parentNotify;
+ xEvent event;
+ Bool anyMarked;
+ WindowPtr pLayerWin;
+
+ pScreen = pParent->drawable.pScreen;
+ parentRedirect = RedirectSend(pParent);
+ parentNotify = SubSend(pParent);
+ anyMarked = FALSE;
+ for (pWin = pParent->firstChild; pWin; pWin = pWin->nextSib)
+ {
+ if (!pWin->mapped)
+ {
+ if (parentRedirect && !pWin->overrideRedirect)
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = MapRequest;
+ event.u.mapRequest.window = pWin->drawable.id;
+ event.u.mapRequest.parent = pParent->drawable.id;
+
+ if (MaybeDeliverEventsToClient(pParent, &event, 1,
+ SubstructureRedirectMask, client) == 1)
+ continue;
+ }
+
+ pWin->mapped = TRUE;
+ if (parentNotify || StrSend(pWin))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = MapNotify;
+ event.u.mapNotify.window = pWin->drawable.id;
+ event.u.mapNotify.override = pWin->overrideRedirect;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+ }
+
+ if (!pFirstMapped)
+ pFirstMapped = pWin;
+ if (pParent->realized)
+ {
+ RealizeTree(pWin);
+ if (pWin->viewable)
+ {
+ anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pWin,
+ (WindowPtr *)NULL);
+ }
+ }
+ }
+ }
+
+ if (pFirstMapped)
+ {
+ pLayerWin = (*pScreen->GetLayerWindow)(pParent);
+ if (pLayerWin->parent != pParent) {
+ anyMarked |= (*pScreen->MarkOverlappedWindows)(pLayerWin,
+ pLayerWin,
+ (WindowPtr *)NULL);
+ pFirstMapped = pLayerWin;
+ }
+ if (anyMarked)
+ {
+ (*pScreen->ValidateTree)(pLayerWin->parent, pFirstMapped, VTMap);
+ (*pScreen->HandleExposures)(pLayerWin->parent);
+ }
+ if (anyMarked && pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(pLayerWin->parent, pFirstMapped,
+ VTMap);
+ WindowsRestructured ();
+ }
+}
+
+static void
+UnrealizeTree(
+ WindowPtr pWin,
+ Bool fromConfigure)
+{
+ WindowPtr pChild;
+ UnrealizeWindowProcPtr Unrealize;
+ MarkUnrealizedWindowProcPtr MarkUnrealizedWindow;
+
+ Unrealize = pWin->drawable.pScreen->UnrealizeWindow;
+ MarkUnrealizedWindow = pWin->drawable.pScreen->MarkUnrealizedWindow;
+ pChild = pWin;
+ while (1)
+ {
+ if (pChild->realized)
+ {
+ pChild->realized = FALSE;
+ pChild->visibility = VisibilityNotViewable;
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && !pChild->drawable.pScreen->myNum) {
+ PanoramiXRes *win;
+ int rc = dixLookupResourceByType((pointer *)&win,
+ pChild->drawable.id, XRT_WINDOW,
+ serverClient, DixWriteAccess);
+ if (rc == Success)
+ win->u.win.visibility = VisibilityNotViewable;
+ }
+#endif
+ (* Unrealize)(pChild);
+ if (MapUnmapEventsEnabled(pWin))
+ DeleteWindowFromAnyEvents(pChild, FALSE);
+ if (pChild->viewable)
+ {
+ pChild->viewable = FALSE;
+ (* MarkUnrealizedWindow)(pChild, pWin, fromConfigure);
+ pChild->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+ }
+ if (pChild->firstChild)
+ {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ }
+ while (!pChild->nextSib && (pChild != pWin))
+ pChild = pChild->parent;
+ if (pChild == pWin)
+ return;
+ pChild = pChild->nextSib;
+ }
+}
+
+/*****
+ * UnmapWindow
+ * If the window is already unmapped, this request has no effect.
+ * Otherwise, the window is unmapped and an UnMapNotify event is
+ * generated. Cannot unmap a root window.
+ *****/
+
+int
+UnmapWindow(WindowPtr pWin, Bool fromConfigure)
+{
+ WindowPtr pParent;
+ xEvent event;
+ Bool wasRealized = (Bool)pWin->realized;
+ Bool wasViewable = (Bool)pWin->viewable;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ WindowPtr pLayerWin = pWin;
+
+ if ((!pWin->mapped) || (!(pParent = pWin->parent)))
+ return(Success);
+ if (SubStrSend(pWin, pParent) && MapUnmapEventsEnabled(pWin))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = UnmapNotify;
+ event.u.unmapNotify.window = pWin->drawable.id;
+ event.u.unmapNotify.fromConfigure = fromConfigure;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+ }
+ if (wasViewable && !fromConfigure)
+ {
+ pWin->valdata = UnmapValData;
+ (*pScreen->MarkOverlappedWindows)(pWin, pWin->nextSib, &pLayerWin);
+ (*pScreen->MarkWindow)(pLayerWin->parent);
+ }
+ pWin->mapped = FALSE;
+ if (wasRealized)
+ UnrealizeTree(pWin, fromConfigure);
+ if (wasViewable)
+ {
+ if (!fromConfigure)
+ {
+ (*pScreen->ValidateTree)(pLayerWin->parent, pWin, VTUnmap);
+ (*pScreen->HandleExposures)(pLayerWin->parent);
+ }
+ if (!fromConfigure && pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(pLayerWin->parent, pWin, VTUnmap);
+ }
+ if (wasRealized && !fromConfigure)
+ WindowsRestructured ();
+ return(Success);
+}
+
+/*****
+ * UnmapSubwindows
+ * Performs an UnmapWindow request with the specified mode on all mapped
+ * children of the window, in bottom to top stacking order.
+ *****/
+
+void
+UnmapSubwindows(WindowPtr pWin)
+{
+ WindowPtr pChild, pHead;
+ xEvent event;
+ Bool wasRealized = (Bool)pWin->realized;
+ Bool wasViewable = (Bool)pWin->viewable;
+ Bool anyMarked = FALSE;
+ Mask parentNotify;
+ WindowPtr pLayerWin = NULL;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ if (!pWin->firstChild)
+ return;
+ parentNotify = SubSend(pWin);
+ pHead = RealChildHead(pWin);
+
+ if (wasViewable)
+ pLayerWin = (*pScreen->GetLayerWindow)(pWin);
+
+ for (pChild = pWin->lastChild; pChild != pHead; pChild = pChild->prevSib)
+ {
+ if (pChild->mapped)
+ {
+ if (parentNotify || StrSend(pChild))
+ {
+ event.u.u.type = UnmapNotify;
+ event.u.unmapNotify.window = pChild->drawable.id;
+ event.u.unmapNotify.fromConfigure = xFalse;
+ DeliverEvents(pChild, &event, 1, NullWindow);
+ }
+ if (pChild->viewable)
+ {
+ pChild->valdata = UnmapValData;
+ anyMarked = TRUE;
+ }
+ pChild->mapped = FALSE;
+ if (pChild->realized)
+ UnrealizeTree(pChild, FALSE);
+ if (wasViewable)
+ {
+ }
+ }
+ }
+ if (wasViewable)
+ {
+ if (anyMarked)
+ {
+ if (pLayerWin->parent == pWin)
+ (*pScreen->MarkWindow)(pWin);
+ else
+ {
+ WindowPtr ptmp;
+ (*pScreen->MarkOverlappedWindows)(pWin, pLayerWin,
+ (WindowPtr *)NULL);
+ (*pScreen->MarkWindow)(pLayerWin->parent);
+
+ /* Windows between pWin and pLayerWin may not have been marked */
+ ptmp = pWin;
+
+ while (ptmp != pLayerWin->parent)
+ {
+ (*pScreen->MarkWindow)(ptmp);
+ ptmp = ptmp->parent;
+ }
+ pHead = pWin->firstChild;
+ }
+ (*pScreen->ValidateTree)(pLayerWin->parent, pHead, VTUnmap);
+ (*pScreen->HandleExposures)(pLayerWin->parent);
+ }
+ if (anyMarked && pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(pLayerWin->parent, pHead, VTUnmap);
+ }
+ if (wasRealized)
+ WindowsRestructured ();
+}
+
+
+void
+HandleSaveSet(ClientPtr client)
+{
+ WindowPtr pParent, pWin;
+ int j;
+
+ for (j=0; j<client->numSaved; j++)
+ {
+ pWin = SaveSetWindow(client->saveSet[j]);
+#ifdef XFIXES
+ if (SaveSetToRoot(client->saveSet[j]))
+ pParent = WindowTable[pWin->drawable.pScreen->myNum];
+ else
+#endif
+ {
+ pParent = pWin->parent;
+ while (pParent && (wClient (pParent) == client))
+ pParent = pParent->parent;
+ }
+ if (pParent)
+ {
+ if (pParent != pWin->parent)
+ {
+#ifdef XFIXES
+ /* unmap first so that ReparentWindow doesn't remap */
+ if (!SaveSetShouldMap (client->saveSet[j]))
+ UnmapWindow(pWin, FALSE);
+#endif
+ ReparentWindow(pWin, pParent,
+ pWin->drawable.x - wBorderWidth (pWin) - pParent->drawable.x,
+ pWin->drawable.y - wBorderWidth (pWin) - pParent->drawable.y,
+ client);
+ if(!pWin->realized && pWin->mapped)
+ pWin->mapped = FALSE;
+ }
+#ifdef XFIXES
+ if (SaveSetShouldMap (client->saveSet[j]))
+#endif
+ MapWindow(pWin, client);
+ }
+ }
+ free(client->saveSet);
+ client->numSaved = 0;
+ client->saveSet = (SaveSetElt *)NULL;
+}
+
+/**
+ *
+ * \param x,y in root
+ */
+Bool
+PointInWindowIsVisible(WindowPtr pWin, int x, int y)
+{
+ BoxRec box;
+
+ if (!pWin->realized)
+ return (FALSE);
+ if (POINT_IN_REGION(pWin->drawable.pScreen, &pWin->borderClip,
+ x, y, &box)
+ && (!wInputShape(pWin) ||
+ POINT_IN_REGION(pWin->drawable.pScreen,
+ wInputShape(pWin),
+ x - pWin->drawable.x,
+ y - pWin->drawable.y, &box)))
+ return(TRUE);
+ return(FALSE);
+}
+
+
+RegionPtr
+NotClippedByChildren(WindowPtr pWin)
+{
+ ScreenPtr pScreen;
+ RegionPtr pReg;
+
+ pScreen = pWin->drawable.pScreen;
+ pReg = REGION_CREATE(pScreen, NullBox, 1);
+ if (pWin->parent ||
+ screenIsSaved != SCREEN_SAVER_ON ||
+ !HasSaverWindow (pWin->drawable.pScreen->myNum))
+ {
+ REGION_INTERSECT(pScreen, pReg, &pWin->borderClip, &pWin->winSize);
+ }
+ return(pReg);
+}
+
+void
+SendVisibilityNotify(WindowPtr pWin)
+{
+ xEvent event;
+#ifndef NO_XINERAMA_PORT
+ unsigned int visibility = pWin->visibility;
+#endif
+ if (!MapUnmapEventsEnabled(pWin))
+ return;
+#ifdef PANORAMIX
+ /* This is not quite correct yet, but it's close */
+ if(!noPanoramiXExtension) {
+ PanoramiXRes *win;
+ WindowPtr pWin2;
+ int rc, i, Scrnum;
+
+ Scrnum = pWin->drawable.pScreen->myNum;
+
+ win = PanoramiXFindIDByScrnum(XRT_WINDOW, pWin->drawable.id, Scrnum);
+
+ if(!win || (win->u.win.visibility == visibility))
+ return;
+
+ switch(visibility) {
+ case VisibilityUnobscured:
+ for(i = 0; i < PanoramiXNumScreens; i++) {
+ if(i == Scrnum) continue;
+
+ rc = dixLookupWindow(&pWin2, win->info[i].id, serverClient,
+ DixWriteAccess);
+
+ if (rc == Success) {
+ if(pWin2->visibility == VisibilityPartiallyObscured)
+ return;
+
+ if(!i) pWin = pWin2;
+ }
+ }
+ break;
+ case VisibilityPartiallyObscured:
+ if(Scrnum) {
+ rc = dixLookupWindow(&pWin2, win->info[0].id, serverClient,
+ DixWriteAccess);
+ if (rc == Success) pWin = pWin2;
+ }
+ break;
+ case VisibilityFullyObscured:
+ for(i = 0; i < PanoramiXNumScreens; i++) {
+ if(i == Scrnum) continue;
+
+ rc = dixLookupWindow(&pWin2, win->info[i].id, serverClient,
+ DixWriteAccess);
+
+ if (rc == Success) {
+ if(pWin2->visibility != VisibilityFullyObscured)
+ return;
+
+ if(!i) pWin = pWin2;
+ }
+ }
+ break;
+ }
+
+ win->u.win.visibility = visibility;
+ }
+#endif
+
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = VisibilityNotify;
+ event.u.visibility.window = pWin->drawable.id;
+ event.u.visibility.state = visibility;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+}
+
+#define RANDOM_WIDTH 32
+
+#ifndef NOLOGOHACK
+static void DrawLogo(
+ WindowPtr pWin
+);
+#endif
+
+int
+dixSaveScreens(ClientPtr client, int on, int mode)
+{
+ int rc, i, what, type;
+
+ if (on == SCREEN_SAVER_FORCER)
+ {
+ if (mode == ScreenSaverReset)
+ what = SCREEN_SAVER_OFF;
+ else
+ what = SCREEN_SAVER_ON;
+ type = what;
+ }
+ else
+ {
+ what = on;
+ type = what;
+ if (what == screenIsSaved)
+ type = SCREEN_SAVER_CYCLE;
+ }
+
+ for (i = 0; i < screenInfo.numScreens; i++) {
+ rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, screenInfo.screens[i],
+ DixShowAccess | DixHideAccess);
+ if (rc != Success)
+ return rc;
+ }
+ for (i = 0; i < screenInfo.numScreens; i++)
+ {
+ if (on == SCREEN_SAVER_FORCER)
+ (* screenInfo.screens[i]->SaveScreen) (screenInfo.screens[i], on);
+ if (savedScreenInfo[i].ExternalScreenSaver)
+ {
+ if ((*savedScreenInfo[i].ExternalScreenSaver)
+ (screenInfo.screens[i], type, on == SCREEN_SAVER_FORCER))
+ continue;
+ }
+ if (type == screenIsSaved)
+ continue;
+ switch (type) {
+ case SCREEN_SAVER_OFF:
+ if (savedScreenInfo[i].blanked == SCREEN_IS_BLANKED)
+ {
+ (* screenInfo.screens[i]->SaveScreen) (screenInfo.screens[i],
+ what);
+ }
+ else if (HasSaverWindow (i))
+ {
+ savedScreenInfo[i].pWindow = NullWindow;
+ FreeResource(savedScreenInfo[i].wid, RT_NONE);
+ }
+ break;
+ case SCREEN_SAVER_CYCLE:
+ if (savedScreenInfo[i].blanked == SCREEN_IS_TILED)
+ {
+ WindowPtr pWin = savedScreenInfo[i].pWindow;
+ /* make it look like screen saver is off, so that
+ * NotClippedByChildren will compute a clip list
+ * for the root window, so miPaintWindow works
+ */
+ screenIsSaved = SCREEN_SAVER_OFF;
+#ifndef NOLOGOHACK
+ if (logoScreenSaver)
+ (*pWin->drawable.pScreen->ClearToBackground)(pWin, 0, 0, 0, 0, FALSE);
+#endif
+ (*pWin->drawable.pScreen->MoveWindow)(pWin,
+ (short)(-(rand() % RANDOM_WIDTH)),
+ (short)(-(rand() % RANDOM_WIDTH)),
+ pWin->nextSib, VTMove);
+#ifndef NOLOGOHACK
+ if (logoScreenSaver)
+ DrawLogo(pWin);
+#endif
+ screenIsSaved = SCREEN_SAVER_ON;
+ }
+ /*
+ * Call the DDX saver in case it wants to do something
+ * at cycle time
+ */
+ else if (savedScreenInfo[i].blanked == SCREEN_IS_BLANKED)
+ {
+ (* screenInfo.screens[i]->SaveScreen) (screenInfo.screens[i],
+ type);
+ }
+ break;
+ case SCREEN_SAVER_ON:
+ if (ScreenSaverBlanking != DontPreferBlanking)
+ {
+ if ((* screenInfo.screens[i]->SaveScreen)
+ (screenInfo.screens[i], what))
+ {
+ savedScreenInfo[i].blanked = SCREEN_IS_BLANKED;
+ continue;
+ }
+ if ((ScreenSaverAllowExposures != DontAllowExposures) &&
+ TileScreenSaver(i, SCREEN_IS_BLACK))
+ {
+ savedScreenInfo[i].blanked = SCREEN_IS_BLACK;
+ continue;
+ }
+ }
+ if ((ScreenSaverAllowExposures != DontAllowExposures) &&
+ TileScreenSaver(i, SCREEN_IS_TILED))
+ {
+ savedScreenInfo[i].blanked = SCREEN_IS_TILED;
+ }
+ else
+ savedScreenInfo[i].blanked = SCREEN_ISNT_SAVED;
+ break;
+ }
+ }
+ screenIsSaved = what;
+ if (mode == ScreenSaverReset) {
+ if (on == SCREEN_SAVER_FORCER) {
+ UpdateCurrentTimeIf();
+ lastDeviceEventTime = currentTime;
+ }
+ SetScreenSaverTimer();
+ }
+ return Success;
+}
+
+int
+SaveScreens(int on, int mode)
+{
+ return dixSaveScreens(serverClient, on, mode);
+}
+
+static Bool
+TileScreenSaver(int i, int kind)
+{
+ int j;
+ int result;
+ XID attributes[3];
+ Mask mask;
+ WindowPtr pWin;
+ CursorMetricRec cm;
+ unsigned char *srcbits, *mskbits;
+ CursorPtr cursor;
+ XID cursorID = 0;
+ int attri;
+
+ mask = 0;
+ attri = 0;
+ switch (kind) {
+ case SCREEN_IS_TILED:
+ switch (WindowTable[i]->backgroundState) {
+ case BackgroundPixel:
+ attributes[attri++] = WindowTable[i]->background.pixel;
+ mask |= CWBackPixel;
+ break;
+ case BackgroundPixmap:
+ attributes[attri++] = None;
+ mask |= CWBackPixmap;
+ break;
+ default:
+ break;
+ }
+ break;
+ case SCREEN_IS_BLACK:
+ attributes[attri++] = WindowTable[i]->drawable.pScreen->blackPixel;
+ mask |= CWBackPixel;
+ break;
+ }
+ mask |= CWOverrideRedirect;
+ attributes[attri++] = xTrue;
+
+ /*
+ * create a blank cursor
+ */
+
+ cm.width=16;
+ cm.height=16;
+ cm.xhot=8;
+ cm.yhot=8;
+ srcbits = malloc( BitmapBytePad(32)*16);
+ mskbits = malloc( BitmapBytePad(32)*16);
+ if (!srcbits || !mskbits)
+ {
+ free(srcbits);
+ free(mskbits);
+ cursor = 0;
+ }
+ else
+ {
+ for (j=0; j<BitmapBytePad(32)*16; j++)
+ srcbits[j] = mskbits[j] = 0x0;
+ result = AllocARGBCursor(srcbits, mskbits, NULL, &cm, 0, 0, 0, 0, 0, 0,
+ &cursor, serverClient, (XID)0);
+ if (cursor)
+ {
+ cursorID = FakeClientID(0);
+ if (AddResource (cursorID, RT_CURSOR, (pointer) cursor))
+ {
+ attributes[attri] = cursorID;
+ mask |= CWCursor;
+ }
+ else
+ cursor = 0;
+ }
+ else
+ {
+ free(srcbits);
+ free(mskbits);
+ }
+ }
+
+ pWin = savedScreenInfo[i].pWindow =
+ CreateWindow(savedScreenInfo[i].wid,
+ WindowTable[i],
+ -RANDOM_WIDTH, -RANDOM_WIDTH,
+ (unsigned short)screenInfo.screens[i]->width + RANDOM_WIDTH,
+ (unsigned short)screenInfo.screens[i]->height + RANDOM_WIDTH,
+ 0, InputOutput, mask, attributes, 0, serverClient,
+ wVisual (WindowTable[i]), &result);
+
+ if (cursor)
+ FreeResource (cursorID, RT_NONE);
+
+ if (!pWin)
+ return FALSE;
+
+ if (!AddResource(pWin->drawable.id, RT_WINDOW,
+ (pointer)savedScreenInfo[i].pWindow))
+ return FALSE;
+
+ if (mask & CWBackPixmap)
+ {
+ MakeRootTile (pWin);
+ (*pWin->drawable.pScreen->ChangeWindowAttributes)(pWin, CWBackPixmap);
+ }
+ MapWindow(pWin, serverClient);
+#ifndef NOLOGOHACK
+ if (kind == SCREEN_IS_TILED && logoScreenSaver)
+ DrawLogo(pWin);
+#endif
+ return TRUE;
+}
+
+/*
+ * FindWindowWithOptional
+ *
+ * search ancestors of the given window for an entry containing
+ * a WindowOpt structure. Assumptions: some parent will
+ * contain the structure.
+ */
+
+WindowPtr
+FindWindowWithOptional (WindowPtr w)
+{
+ do
+ w = w->parent;
+ while (!w->optional);
+ return w;
+}
+
+/*
+ * CheckWindowOptionalNeed
+ *
+ * check each optional entry in the given window to see if
+ * the value is satisfied by the default rules. If so,
+ * release the optional record
+ */
+
+void
+CheckWindowOptionalNeed (WindowPtr w)
+{
+ WindowOptPtr optional;
+ WindowOptPtr parentOptional;
+
+ if (!w->parent || !w->optional)
+ return;
+ optional = w->optional;
+ if (optional->dontPropagateMask != DontPropagateMasks[w->dontPropagate])
+ return;
+ if (optional->otherEventMasks != 0)
+ return;
+ if (optional->otherClients != NULL)
+ return;
+ if (optional->passiveGrabs != NULL)
+ return;
+ if (optional->userProps != NULL)
+ return;
+ if (optional->backingBitPlanes != ~0L)
+ return;
+ if (optional->backingPixel != 0)
+ return;
+ if (optional->boundingShape != NULL)
+ return;
+ if (optional->clipShape != NULL)
+ return;
+ if (optional->inputShape != NULL)
+ return;
+ if (optional->inputMasks != NULL)
+ return;
+ if (optional->deviceCursors != NULL)
+ {
+ DevCursNodePtr pNode = optional->deviceCursors;
+ while(pNode)
+ {
+ if (pNode->cursor != None)
+ return;
+ pNode = pNode->next;
+ }
+ }
+
+ parentOptional = FindWindowWithOptional(w)->optional;
+ if (optional->visual != parentOptional->visual)
+ return;
+ if (optional->cursor != None &&
+ (optional->cursor != parentOptional->cursor ||
+ w->parent->cursorIsNone))
+ return;
+ if (optional->colormap != parentOptional->colormap)
+ return;
+ DisposeWindowOptional (w);
+}
+
+/*
+ * MakeWindowOptional
+ *
+ * create an optional record and initialize it with the default
+ * values.
+ */
+
+Bool
+MakeWindowOptional (WindowPtr pWin)
+{
+ WindowOptPtr optional;
+ WindowOptPtr parentOptional;
+
+ if (pWin->optional)
+ return TRUE;
+ optional = malloc(sizeof (WindowOptRec));
+ if (!optional)
+ return FALSE;
+ optional->dontPropagateMask = DontPropagateMasks[pWin->dontPropagate];
+ optional->otherEventMasks = 0;
+ optional->otherClients = NULL;
+ optional->passiveGrabs = NULL;
+ optional->userProps = NULL;
+ optional->backingBitPlanes = ~0L;
+ optional->backingPixel = 0;
+ optional->boundingShape = NULL;
+ optional->clipShape = NULL;
+ optional->inputShape = NULL;
+ optional->inputMasks = NULL;
+ optional->deviceCursors = NULL;
+
+ parentOptional = FindWindowWithOptional(pWin)->optional;
+ optional->visual = parentOptional->visual;
+ if (!pWin->cursorIsNone)
+ {
+ optional->cursor = parentOptional->cursor;
+ optional->cursor->refcnt++;
+ }
+ else
+ {
+ optional->cursor = None;
+ }
+ optional->colormap = parentOptional->colormap;
+ pWin->optional = optional;
+ return TRUE;
+}
+
+/*
+ * Changes the cursor struct for the given device and the given window.
+ * A cursor that does not have a device cursor set will use whatever the
+ * standard cursor is for the window. If all devices have a cursor set,
+ * changing the window cursor (e.g. using XDefineCursor()) will not have any
+ * visible effect. Only when one of the device cursors is set to None again,
+ * this device's cursor will display the changed standard cursor.
+ *
+ * CursorIsNone of the window struct is NOT modified if you set a device
+ * cursor.
+ *
+ * Assumption: If there is a node for a device in the list, the device has a
+ * cursor. If the cursor is set to None, it is inherited by the parent.
+ */
+int
+ChangeWindowDeviceCursor(WindowPtr pWin,
+ DeviceIntPtr pDev,
+ CursorPtr pCursor)
+{
+ DevCursNodePtr pNode, pPrev;
+ CursorPtr pOldCursor = NULL;
+ ScreenPtr pScreen;
+ WindowPtr pChild;
+
+ if (!pWin->optional && !MakeWindowOptional(pWin))
+ return BadAlloc;
+
+ /* 1) Check if window has device cursor set
+ * Yes: 1.1) swap cursor with given cursor if parent does not have same
+ * cursor, free old cursor
+ * 1.2) free old cursor, use parent cursor
+ * No: 1.1) add node to beginning of list.
+ * 1.2) add cursor to node if parent does not have same cursor
+ * 1.3) use parent cursor if parent does not have same cursor
+ * 2) Patch up children if child has a devcursor
+ * 2.1) if child has cursor None, it inherited from parent, set to old
+ * cursor
+ * 2.2) if child has same cursor as new cursor, remove and set to None
+ */
+
+ pScreen = pWin->drawable.pScreen;
+
+ if (WindowSeekDeviceCursor(pWin, pDev, &pNode, &pPrev))
+ {
+ /* has device cursor */
+
+ if (pNode->cursor == pCursor)
+ return Success;
+
+ pOldCursor = pNode->cursor;
+
+ if (!pCursor) /* remove from list */
+ {
+ if(pPrev)
+ pPrev->next = pNode->next;
+ else
+ /* first item in list */
+ pWin->optional->deviceCursors = pNode->next;
+
+ free(pNode);
+ goto out;
+ }
+
+ } else
+ {
+ /* no device cursor yet */
+ DevCursNodePtr pNewNode;
+
+ if (!pCursor)
+ return Success;
+
+ pNewNode = malloc(sizeof(DevCursNodeRec));
+ pNewNode->dev = pDev;
+ pNewNode->next = pWin->optional->deviceCursors;
+ pWin->optional->deviceCursors = pNewNode;
+ pNode = pNewNode;
+
+ }
+
+ if (pCursor && WindowParentHasDeviceCursor(pWin, pDev, pCursor))
+ pNode->cursor = None;
+ else
+ {
+ pNode->cursor = pCursor;
+ pCursor->refcnt++;
+ }
+
+ pNode = pPrev = NULL;
+ /* fix up children */
+ for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
+ {
+ if (WindowSeekDeviceCursor(pChild, pDev, &pNode, &pPrev))
+ {
+ if (pNode->cursor == None) /* inherited from parent */
+ {
+ pNode->cursor = pOldCursor;
+ pOldCursor->refcnt++;
+ } else if (pNode->cursor == pCursor)
+ {
+ pNode->cursor = None;
+ FreeCursor(pCursor, (Cursor)0); /* fix up refcnt */
+ }
+ }
+ }
+
+out:
+ if (pWin->realized)
+ WindowHasNewCursor(pWin);
+
+ if (pOldCursor)
+ FreeCursor(pOldCursor, (Cursor)0);
+
+ /* FIXME: We SHOULD check for an error value here XXX
+ (comment taken from ChangeWindowAttributes) */
+ (*pScreen->ChangeWindowAttributes)(pWin, CWCursor);
+
+ return Success;
+}
+
+/* Get device cursor for given device or None if none is set */
+CursorPtr
+WindowGetDeviceCursor(WindowPtr pWin, DeviceIntPtr pDev)
+{
+ DevCursorList pList;
+
+ if (!pWin->optional || !pWin->optional->deviceCursors)
+ return NULL;
+
+ pList = pWin->optional->deviceCursors;
+
+ while(pList)
+ {
+ if (pList->dev == pDev)
+ {
+ if (pList->cursor == None) /* inherited from parent */
+ return WindowGetDeviceCursor(pWin->parent, pDev);
+ else
+ return pList->cursor;
+ }
+ pList = pList->next;
+ }
+ return NULL;
+}
+
+/* Searches for a DevCursorNode for the given window and device. If one is
+ * found, return True and set pNode and pPrev to the node and to the node
+ * before the node respectively. Otherwise return False.
+ * If the device is the first in list, pPrev is set to NULL.
+ */
+static Bool
+WindowSeekDeviceCursor(WindowPtr pWin,
+ DeviceIntPtr pDev,
+ DevCursNodePtr* pNode,
+ DevCursNodePtr* pPrev)
+{
+ DevCursorList pList;
+
+ if (!pWin->optional)
+ return FALSE;
+
+ pList = pWin->optional->deviceCursors;
+
+ if (pList && pList->dev == pDev)
+ {
+ *pNode = pList;
+ *pPrev = NULL;
+ return TRUE;
+ }
+
+ while(pList)
+ {
+ if (pList->next)
+ {
+ if (pList->next->dev == pDev)
+ {
+ *pNode = pList->next;
+ *pPrev = pList;
+ return TRUE;
+ }
+ }
+ pList = pList->next;
+ }
+ return FALSE;
+}
+
+/* Return True if a parent has the same device cursor set or False if
+ * otherwise
+ */
+static Bool
+WindowParentHasDeviceCursor(WindowPtr pWin,
+ DeviceIntPtr pDev,
+ CursorPtr pCursor)
+{
+ WindowPtr pParent;
+ DevCursNodePtr pParentNode, pParentPrev;
+
+ pParent = pWin->parent;
+ while(pParent)
+ {
+ if (WindowSeekDeviceCursor(pParent, pDev,
+ &pParentNode, &pParentPrev))
+ {
+ /* if there is a node in the list, the win has a dev cursor */
+ if (!pParentNode->cursor) /* inherited. loop needs to cont. */
+ {
+ } else if (pParentNode->cursor == pCursor) /* inherit */
+ return TRUE;
+ else /* different cursor */
+ return FALSE;
+ }
+ else
+ /* parent does not have a device cursor for our device */
+ return FALSE;
+ }
+ return FALSE;
+}
+
+#ifndef NOLOGOHACK
+static void
+DrawLogo(WindowPtr pWin)
+{
+ DrawablePtr pDraw;
+ ScreenPtr pScreen;
+ int x, y;
+ unsigned int width, height, size;
+ GC *pGC;
+ int rc, thin, gap, d31;
+ DDXPointRec poly[4];
+ ChangeGCVal fore[2], back[2];
+ xrgb rgb[2];
+ BITS32 fmask, bmask;
+ ColormapPtr cmap;
+
+ pDraw = (DrawablePtr)pWin;
+ pScreen = pDraw->pScreen;
+ x = -pWin->origin.x;
+ y = -pWin->origin.y;
+ width = pScreen->width;
+ height = pScreen->height;
+ pGC = GetScratchGC(pScreen->rootDepth, pScreen);
+ if (!pGC)
+ return;
+
+ if ((rand() % 100) <= 17) /* make the probability for white fairly low */
+ fore[0].val = pScreen->whitePixel;
+ else
+ fore[0].val = pScreen->blackPixel;
+ if (pWin->backgroundState == BackgroundPixel) {
+ rc = dixLookupResourceByType((pointer *)&cmap, wColormap(pWin),
+ RT_COLORMAP, serverClient, DixReadAccess);
+ if (rc == Success) {
+ Pixel querypixels[2];
+
+ querypixels[0] = fore[0].val;
+ querypixels[1] = pWin->background.pixel;
+ QueryColors(cmap, 2, querypixels, rgb, serverClient);
+ if ((rgb[0].red == rgb[1].red) &&
+ (rgb[0].green == rgb[1].green) &&
+ (rgb[0].blue == rgb[1].blue)) {
+ if (fore[0].val == pScreen->blackPixel)
+ fore[0].val = pScreen->whitePixel;
+ else
+ fore[0].val = pScreen->blackPixel;
+ }
+ }
+ }
+ fore[1].val = FillSolid;
+ fmask = GCForeground|GCFillStyle;
+ if (pWin->backgroundState == BackgroundPixel) {
+ back[0].val = pWin->background.pixel;
+ back[1].val = FillSolid;
+ bmask = GCForeground|GCFillStyle;
+ } else {
+ back[0].val = 0;
+ back[1].val = 0;
+ ChangeGC(NullClient, pGC, GCTileStipXOrigin|GCTileStipYOrigin, back);
+ back[0].val = FillTiled;
+ back[1].ptr = pWin->background.pixmap;
+ bmask = GCFillStyle|GCTile;
+ }
+
+ /* should be the same as the reference function XmuDrawLogo() */
+
+ size = width;
+ if (height < width)
+ size = height;
+ size = RANDOM_WIDTH + rand() % (size - RANDOM_WIDTH);
+ size &= ~1;
+ x += rand() % (width - size);
+ y += rand() % (height - size);
+
+/*
+ * Draw what will be the thin strokes.
+ *
+ * -----
+ * / /
+ * / /
+ * / /
+ * / /
+ * /____/
+ * d
+ *
+ * Point d is 9/44 (~1/5) of the way across.
+ */
+
+ thin = (size / 11);
+ if (thin < 1) thin = 1;
+ gap = (thin+3) / 4;
+ d31 = thin + thin + gap;
+ poly[0].x = x + size; poly[0].y = y;
+ poly[1].x = x + size-d31; poly[1].y = y;
+ poly[2].x = x + 0; poly[2].y = y + size;
+ poly[3].x = x + d31; poly[3].y = y + size;
+ ChangeGC(NullClient, pGC, fmask, fore);
+ ValidateGC(pDraw, pGC);
+ (*pGC->ops->FillPolygon)(pDraw, pGC, Convex, CoordModeOrigin, 4, poly);
+
+/*
+ * Erase area not needed for lower thin stroke.
+ *
+ * ------
+ * / /
+ * / __ /
+ * / / /
+ * / / /
+ * /__/__/
+ */
+
+ poly[0].x = x + d31/2; poly[0].y = y + size;
+ poly[1].x = x + size / 2; poly[1].y = y + size/2;
+ poly[2].x = x + (size/2)+(d31-(d31/2)); poly[2].y = y + size/2;
+ poly[3].x = x + d31; poly[3].y = y + size;
+ ChangeGC(NullClient, pGC, bmask, back);
+ ValidateGC(pDraw, pGC);
+ (*pGC->ops->FillPolygon)(pDraw, pGC, Convex, CoordModeOrigin, 4, poly);
+
+/*
+ * Erase area not needed for upper thin stroke.
+ *
+ * ------
+ * / / /
+ * /--/ /
+ * / /
+ * / /
+ * /_____/
+ */
+
+ poly[0].x = x + size - d31/2; poly[0].y = y;
+ poly[1].x = x + size / 2; poly[1].y = y + size/2;
+ poly[2].x = x + (size/2)-(d31-(d31/2)); poly[2].y = y + size/2;
+ poly[3].x = x + size - d31; poly[3].y = y;
+ ValidateGC(pDraw, pGC);
+ (*pGC->ops->FillPolygon)(pDraw, pGC, Convex, CoordModeOrigin, 4, poly);
+
+/*
+ * Draw thick stroke.
+ * Point b is 1/4 of the way across.
+ *
+ * b
+ * -----
+ * \ \
+ * \ \
+ * \ \
+ * \ \
+ * \____\
+ */
+
+ poly[0].x = x; poly[0].y = y;
+ poly[1].x = x + size/4; poly[1].y = y;
+ poly[2].x = x + size; poly[2].y = y + size;
+ poly[3].x = x + size - size/4; poly[3].y = y + size;
+ ChangeGC(NullClient, pGC, fmask, fore);
+ ValidateGC(pDraw, pGC);
+ (*pGC->ops->FillPolygon)(pDraw, pGC, Convex, CoordModeOrigin, 4, poly);
+
+/*
+ * Erase to create gap.
+ *
+ * /
+ * /
+ * /
+ * /
+ * /
+ */
+
+ poly[0].x = x + size- thin; poly[0].y = y;
+ poly[1].x = x + size-( thin+gap); poly[1].y = y;
+ poly[2].x = x + thin; poly[2].y = y + size;
+ poly[3].x = x + thin + gap; poly[3].y = y + size;
+ ChangeGC(NullClient, pGC, bmask, back);
+ ValidateGC(pDraw, pGC);
+ (*pGC->ops->FillPolygon)(pDraw, pGC, Convex, CoordModeOrigin, 4, poly);
+
+ FreeScratchGC(pGC);
+}
+
+#endif
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