diff options
Diffstat (limited to 'nx-X11/programs/Xserver/xfixes/cursor.c.NX.original')
| -rwxr-xr-x | nx-X11/programs/Xserver/xfixes/cursor.c.NX.original | 754 |
1 files changed, 0 insertions, 754 deletions
diff --git a/nx-X11/programs/Xserver/xfixes/cursor.c.NX.original b/nx-X11/programs/Xserver/xfixes/cursor.c.NX.original deleted file mode 100755 index f6895d193..000000000 --- a/nx-X11/programs/Xserver/xfixes/cursor.c.NX.original +++ /dev/null @@ -1,754 +0,0 @@ -/* - * $Id: cursor.c,v 1.6 2005/07/03 07:37:35 daniels Exp $ - * - * Copyright © 2002 Keith Packard - * - * 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, and that the name of Keith Packard not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Keith Packard makes no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL KEITH PACKARD 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 "xfixesint.h" -#include "scrnintstr.h" -#include "cursorstr.h" -#include "dixevents.h" -#include "servermd.h" -#include "inputstr.h" -#include "windowstr.h" - -static RESTYPE CursorClientType; -static RESTYPE CursorWindowType; -static int CursorScreenPrivateIndex = -1; -static int CursorGeneration; -static CursorPtr CursorCurrent; - -#define VERIFY_CURSOR(pCursor, cursor, client, access) { \ - pCursor = (CursorPtr)SecurityLookupIDByType((client), (cursor), \ - RT_CURSOR, (access)); \ - if (!pCursor) { \ - (client)->errorValue = (cursor); \ - return BadCursor; \ - } \ -} - -/* - * There is a global list of windows selecting for cursor events - */ - -typedef struct _CursorEvent *CursorEventPtr; - -typedef struct _CursorEvent { - CursorEventPtr next; - CARD32 eventMask; - ClientPtr pClient; - WindowPtr pWindow; - XID clientResource; -} CursorEventRec; - -static CursorEventPtr cursorEvents; - -/* - * Wrap DisplayCursor to catch cursor change events - */ - -typedef struct _CursorScreen { - DisplayCursorProcPtr DisplayCursor; - CloseScreenProcPtr CloseScreen; -} CursorScreenRec, *CursorScreenPtr; - -#define GetCursorScreen(s) ((CursorScreenPtr) ((s)->devPrivates[CursorScreenPrivateIndex].ptr)) -#define GetCursorScreenIfSet(s) ((CursorScreenPrivateIndex != -1) ? GetCursorScreen(s) : NULL) -#define SetCursorScreen(s,p) ((s)->devPrivates[CursorScreenPrivateIndex].ptr = (pointer) (p)) -#define Wrap(as,s,elt,func) (((as)->elt = (s)->elt), (s)->elt = func) -#define Unwrap(as,s,elt) ((s)->elt = (as)->elt) - -static Bool -CursorDisplayCursor (ScreenPtr pScreen, - CursorPtr pCursor) -{ - CursorScreenPtr cs = GetCursorScreen(pScreen); - Bool ret; - - Unwrap (cs, pScreen, DisplayCursor); - ret = (*pScreen->DisplayCursor) (pScreen, pCursor); - if (pCursor != CursorCurrent) - { - CursorEventPtr e; - - CursorCurrent = pCursor; - for (e = cursorEvents; e; e = e->next) - { - if ((e->eventMask & XFixesDisplayCursorNotifyMask) && - !e->pClient->clientGone) - { - xXFixesCursorNotifyEvent ev; - ev.type = XFixesEventBase + XFixesCursorNotify; - ev.subtype = XFixesDisplayCursorNotify; - ev.sequenceNumber = e->pClient->sequence; - ev.window = e->pWindow->drawable.id; - ev.cursorSerial = pCursor->serialNumber; - ev.timestamp = currentTime.milliseconds; - ev.name = pCursor->name; - WriteEventsToClient (e->pClient, 1, (xEvent *) &ev); - } - } - } - Wrap (cs, pScreen, DisplayCursor, CursorDisplayCursor); - return ret; -} - -static Bool -CursorCloseScreen (int index, ScreenPtr pScreen) -{ - CursorScreenPtr cs = GetCursorScreen (pScreen); - Bool ret; - - Unwrap (cs, pScreen, CloseScreen); - Unwrap (cs, pScreen, DisplayCursor); - ret = (*pScreen->CloseScreen) (index, pScreen); - xfree (cs); - if (index == 0) - CursorScreenPrivateIndex = -1; - return ret; -} - -#define CursorAllEvents (XFixesDisplayCursorNotifyMask) - -static int -XFixesSelectCursorInput (ClientPtr pClient, - WindowPtr pWindow, - CARD32 eventMask) -{ - CursorEventPtr *prev, e; - - for (prev = &cursorEvents; (e = *prev); prev = &e->next) - { - if (e->pClient == pClient && - e->pWindow == pWindow) - { - break; - } - } - if (!eventMask) - { - if (e) - { - FreeResource (e->clientResource, 0); - } - return Success; - } - if (!e) - { - e = (CursorEventPtr) xalloc (sizeof (CursorEventRec)); - if (!e) - return BadAlloc; - - e->next = 0; - e->pClient = pClient; - e->pWindow = pWindow; - e->clientResource = FakeClientID(pClient->index); - - /* - * Add a resource hanging from the window to - * catch window destroy - */ - if (!LookupIDByType(pWindow->drawable.id, CursorWindowType)) - if (!AddResource (pWindow->drawable.id, CursorWindowType, - (pointer) pWindow)) - { - xfree (e); - return BadAlloc; - } - - if (!AddResource (e->clientResource, CursorClientType, (pointer) e)) - return BadAlloc; - - *prev = e; - } - e->eventMask = eventMask; - return Success; -} - -int -ProcXFixesSelectCursorInput (ClientPtr client) -{ - REQUEST (xXFixesSelectCursorInputReq); - WindowPtr pWin; - - REQUEST_SIZE_MATCH (xXFixesSelectCursorInputReq); - pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client, - SecurityReadAccess); - if (!pWin) - return(BadWindow); - if (stuff->eventMask & ~CursorAllEvents) - { - client->errorValue = stuff->eventMask; - return( BadValue ); - } - return XFixesSelectCursorInput (client, pWin, stuff->eventMask); -} - -static int -GetBit (unsigned char *line, int x) -{ - unsigned char mask; - - if (screenInfo.bitmapBitOrder == LSBFirst) - mask = (1 << (x & 7)); - else - mask = (0x80 >> (x & 7)); - /* XXX assumes byte order is host byte order */ - line += (x >> 3); - if (*line & mask) - return 1; - return 0; -} - -int -SProcXFixesSelectCursorInput (ClientPtr client) -{ - register int n; - REQUEST(xXFixesSelectCursorInputReq); - - swaps(&stuff->length, n); - swapl(&stuff->window, n); - swapl(&stuff->eventMask, n); - return (*ProcXFixesVector[stuff->xfixesReqType]) (client); -} - -void -SXFixesCursorNotifyEvent (xXFixesCursorNotifyEvent *from, - xXFixesCursorNotifyEvent *to) -{ - to->type = from->type; - cpswaps (from->sequenceNumber, to->sequenceNumber); - cpswapl (from->window, to->window); - cpswapl (from->cursorSerial, to->cursorSerial); - cpswapl (from->timestamp, to->timestamp); - cpswapl (from->name, to->name); -} - -static void -CopyCursorToImage (CursorPtr pCursor, CARD32 *image) -{ - int width = pCursor->bits->width; - int height = pCursor->bits->height; - int npixels = width * height; - -#ifdef ARGB_CURSOR - if (pCursor->bits->argb) - memcpy (image, pCursor->bits->argb, npixels * sizeof (CARD32)); - else -#endif - { - unsigned char *srcLine = pCursor->bits->source; - unsigned char *mskLine = pCursor->bits->mask; - int stride = BitmapBytePad (width); - int x, y; - CARD32 fg, bg; - - fg = (0xff000000 | - ((pCursor->foreRed & 0xff00) << 8) | - (pCursor->foreGreen & 0xff00) | - (pCursor->foreBlue >> 8)); - bg = (0xff000000 | - ((pCursor->backRed & 0xff00) << 8) | - (pCursor->backGreen & 0xff00) | - (pCursor->backBlue >> 8)); - for (y = 0; y < height; y++) - { - for (x = 0; x < width; x++) - { - if (GetBit (mskLine, x)) - { - if (GetBit (srcLine, x)) - *image++ = fg; - else - *image++ = bg; - } - else - *image++ = 0; - } - srcLine += stride; - mskLine += stride; - } - } -} - -int -ProcXFixesGetCursorImage (ClientPtr client) -{ -/* REQUEST(xXFixesGetCursorImageReq); */ - xXFixesGetCursorImageReply *rep; - CursorPtr pCursor; - CARD32 *image; - int npixels; - int width, height; - int x, y; - - REQUEST_SIZE_MATCH(xXFixesGetCursorImageReq); - pCursor = CursorCurrent; - if (!pCursor) - return BadCursor; - GetSpritePosition (&x, &y); - width = pCursor->bits->width; - height = pCursor->bits->height; - npixels = width * height; - rep = xalloc (sizeof (xXFixesGetCursorImageReply) + - npixels * sizeof (CARD32)); - if (!rep) - return BadAlloc; - - rep->type = X_Reply; - rep->sequenceNumber = client->sequence; - rep->length = npixels; - rep->width = width; - rep->height = height; - rep->x = x; - rep->y = y; - rep->xhot = pCursor->bits->xhot; - rep->yhot = pCursor->bits->yhot; - rep->cursorSerial = pCursor->serialNumber; - - image = (CARD32 *) (rep + 1); - CopyCursorToImage (pCursor, image); - if (client->swapped) - { - int n; - swaps (&rep->sequenceNumber, n); - swapl (&rep->length, n); - swaps (&rep->x, n); - swaps (&rep->y, n); - swaps (&rep->width, n); - swaps (&rep->height, n); - swaps (&rep->xhot, n); - swaps (&rep->yhot, n); - swapl (&rep->cursorSerial, n); - SwapLongs (image, npixels); - } - (void) WriteToClient(client, sizeof (xXFixesGetCursorImageReply) + - (npixels << 2), (char *) rep); - xfree (rep); - return client->noClientException; -} - -int -SProcXFixesGetCursorImage (ClientPtr client) -{ - int n; - REQUEST(xXFixesGetCursorImageReq); - swaps (&stuff->length, n); - return (*ProcXFixesVector[stuff->xfixesReqType]) (client); -} - -int -ProcXFixesSetCursorName (ClientPtr client) -{ - CursorPtr pCursor; - char *tchar; - REQUEST(xXFixesSetCursorNameReq); - Atom atom; - - REQUEST_AT_LEAST_SIZE(xXFixesSetCursorNameReq); - VERIFY_CURSOR(pCursor, stuff->cursor, client, SecurityWriteAccess); - tchar = (char *) &stuff[1]; - atom = MakeAtom (tchar, stuff->nbytes, TRUE); - if (atom == BAD_RESOURCE) - return BadAlloc; - - pCursor->name = atom; - return(client->noClientException); -} - -int -SProcXFixesSetCursorName (ClientPtr client) -{ - int n; - REQUEST(xXFixesSetCursorNameReq); - - swaps (&stuff->length, n); - REQUEST_AT_LEAST_SIZE(xXFixesSetCursorNameReq); - swapl (&stuff->cursor, n); - swaps (&stuff->nbytes, n); - return (*ProcXFixesVector[stuff->xfixesReqType]) (client); -} - -int -ProcXFixesGetCursorName (ClientPtr client) -{ - CursorPtr pCursor; - xXFixesGetCursorNameReply reply; - REQUEST(xXFixesGetCursorNameReq); - char *str; - int len; - - REQUEST_SIZE_MATCH(xXFixesGetCursorNameReq); - VERIFY_CURSOR(pCursor, stuff->cursor, client, SecurityReadAccess); - if (pCursor->name) - str = NameForAtom (pCursor->name); - else - str = ""; - len = strlen (str); - - reply.type = X_Reply; - reply.length = (len + 3) >> 2; - reply.sequenceNumber = client->sequence; - reply.atom = pCursor->name; - reply.nbytes = len; - if (client->swapped) - { - int n; - swaps (&reply.sequenceNumber, n); - swapl (&reply.length, n); - swapl (&reply.atom, n); - swaps (&reply.nbytes, n); - } - WriteReplyToClient(client, sizeof(xXFixesGetCursorNameReply), &reply); - (void)WriteToClient(client, len, str); - - return(client->noClientException); -} - -int -SProcXFixesGetCursorName (ClientPtr client) -{ - int n; - REQUEST(xXFixesSetCursorNameReq); - - swaps (&stuff->length, n); - REQUEST_SIZE_MATCH(xXFixesGetCursorNameReq); - swapl (&stuff->cursor, n); - return (*ProcXFixesVector[stuff->xfixesReqType]) (client); -} - -int -ProcXFixesGetCursorImageAndName (ClientPtr client) -{ -/* REQUEST(xXFixesGetCursorImageAndNameReq); */ - xXFixesGetCursorImageAndNameReply *rep; - CursorPtr pCursor; - CARD32 *image; - int npixels; - char *name; - int nbytes, nbytesRound; - int width, height; - int x, y; - - REQUEST_SIZE_MATCH(xXFixesGetCursorImageAndNameReq); - pCursor = CursorCurrent; - if (!pCursor) - return BadCursor; - GetSpritePosition (&x, &y); - width = pCursor->bits->width; - height = pCursor->bits->height; - npixels = width * height; - name = pCursor->name ? NameForAtom (pCursor->name) : ""; - nbytes = strlen (name); - nbytesRound = (nbytes + 3) & ~3; - rep = xalloc (sizeof (xXFixesGetCursorImageAndNameReply) + - npixels * sizeof (CARD32) + nbytesRound); - if (!rep) - return BadAlloc; - - rep->type = X_Reply; - rep->sequenceNumber = client->sequence; - rep->length = npixels + (nbytesRound >> 2); - rep->width = width; - rep->height = height; - rep->x = x; - rep->y = y; - rep->xhot = pCursor->bits->xhot; - rep->yhot = pCursor->bits->yhot; - rep->cursorSerial = pCursor->serialNumber; - rep->cursorName = pCursor->name; - rep->nbytes = nbytes; - - image = (CARD32 *) (rep + 1); - CopyCursorToImage (pCursor, image); - memcpy ((image + npixels), name, nbytes); - if (client->swapped) - { - int n; - swaps (&rep->sequenceNumber, n); - swapl (&rep->length, n); - swaps (&rep->x, n); - swaps (&rep->y, n); - swaps (&rep->width, n); - swaps (&rep->height, n); - swaps (&rep->xhot, n); - swaps (&rep->yhot, n); - swapl (&rep->cursorSerial, n); - swapl (&rep->cursorName, n); - swaps (&rep->nbytes, n); - SwapLongs (image, npixels); - } - (void) WriteToClient(client, sizeof (xXFixesGetCursorImageAndNameReply) + - (npixels << 2) + nbytesRound, (char *) rep); - xfree (rep); - return client->noClientException; -} - -int -SProcXFixesGetCursorImageAndName (ClientPtr client) -{ - int n; - REQUEST(xXFixesGetCursorImageAndNameReq); - swaps (&stuff->length, n); - return (*ProcXFixesVector[stuff->xfixesReqType]) (client); -} - -/* - * Find every cursor reference in the system, ask testCursor - * whether it should be replaced with a reference to pCursor. - */ - -typedef Bool (*TestCursorFunc) (CursorPtr pOld, pointer closure); - -typedef struct { - RESTYPE type; - TestCursorFunc testCursor; - CursorPtr pNew; - pointer closure; -} ReplaceCursorLookupRec, *ReplaceCursorLookupPtr; - -static const RESTYPE CursorRestypes[] = { - RT_WINDOW, RT_PASSIVEGRAB, RT_CURSOR -}; - -#define NUM_CURSOR_RESTYPES (sizeof (CursorRestypes) / sizeof (CursorRestypes[0])) - -static Bool -ReplaceCursorLookup (pointer value, XID id, pointer closure) -{ - ReplaceCursorLookupPtr rcl = (ReplaceCursorLookupPtr) closure; - WindowPtr pWin; - GrabPtr pGrab; - CursorPtr pCursor = 0, *pCursorRef = 0; - XID cursor = 0; - - switch (rcl->type) { - case RT_WINDOW: - pWin = (WindowPtr) value; - if (pWin->optional) - { - pCursorRef = &pWin->optional->cursor; - pCursor = *pCursorRef; - } - break; - case RT_PASSIVEGRAB: - pGrab = (GrabPtr) value; - pCursorRef = &pGrab->cursor; - pCursor = *pCursorRef; - break; - case RT_CURSOR: - pCursorRef = 0; - pCursor = (CursorPtr) value; - cursor = id; - break; - } - if (pCursor && pCursor != rcl->pNew) - { - if ((*rcl->testCursor) (pCursor, rcl->closure)) - { - rcl->pNew->refcnt++; - /* either redirect reference or update resource database */ - if (pCursorRef) - *pCursorRef = rcl->pNew; - else - ChangeResourceValue (id, RT_CURSOR, rcl->pNew); - FreeCursor (pCursor, cursor); - } - } - return FALSE; /* keep walking */ -} - -static void -ReplaceCursor (CursorPtr pCursor, - TestCursorFunc testCursor, - pointer closure) -{ - int clientIndex; - int resIndex; - ReplaceCursorLookupRec rcl; - - /* - * Cursors exist only in the resource database, windows and grabs. - * All of these are always pointed at by the resource database. Walk - * the whole thing looking for cursors - */ - rcl.testCursor = testCursor; - rcl.pNew = pCursor; - rcl.closure = closure; - - /* for each client */ - for (clientIndex = 0; clientIndex < currentMaxClients; clientIndex++) - { - if (!clients[clientIndex]) - continue; - for (resIndex = 0; resIndex < NUM_CURSOR_RESTYPES; resIndex++) - { - rcl.type = CursorRestypes[resIndex]; - /* - * This function walks the entire client resource database - */ - LookupClientResourceComplex (clients[clientIndex], - rcl.type, - ReplaceCursorLookup, - (pointer) &rcl); - } - } - /* this "knows" that WindowHasNewCursor doesn't depend on it's argument */ - WindowHasNewCursor (WindowTable[0]); -} - -static Bool -TestForCursor (CursorPtr pCursor, pointer closure) -{ - return (pCursor == (CursorPtr) closure); -} - -int -ProcXFixesChangeCursor (ClientPtr client) -{ - CursorPtr pSource, pDestination; - REQUEST(xXFixesChangeCursorReq); - - REQUEST_SIZE_MATCH(xXFixesChangeCursorReq); - VERIFY_CURSOR (pSource, stuff->source, client, SecurityReadAccess); - VERIFY_CURSOR (pDestination, stuff->destination, client, SecurityWriteAccess); - - ReplaceCursor (pSource, TestForCursor, (pointer) pDestination); - return (client->noClientException); -} - -int -SProcXFixesChangeCursor (ClientPtr client) -{ - int n; - REQUEST(xXFixesChangeCursorReq); - - swaps (&stuff->length, n); - REQUEST_SIZE_MATCH(xXFixesChangeCursorReq); - swapl (&stuff->source, n); - swapl (&stuff->destination, n); - return (*ProcXFixesVector[stuff->xfixesReqType]) (client); -} - -static Bool -TestForCursorName (CursorPtr pCursor, pointer closure) -{ - return (pCursor->name == (Atom) closure); -} - -int -ProcXFixesChangeCursorByName (ClientPtr client) -{ - CursorPtr pSource; - Atom name; - char *tchar; - REQUEST(xXFixesChangeCursorByNameReq); - - REQUEST_FIXED_SIZE(xXFixesChangeCursorByNameReq, stuff->nbytes); - VERIFY_CURSOR(pSource, stuff->source, client, SecurityReadAccess); - tchar = (char *) &stuff[1]; - name = MakeAtom (tchar, stuff->nbytes, FALSE); - if (name) - ReplaceCursor (pSource, TestForCursorName, (pointer) name); - return (client->noClientException); -} - -int -SProcXFixesChangeCursorByName (ClientPtr client) -{ - int n; - REQUEST(xXFixesChangeCursorByNameReq); - - swaps (&stuff->length, n); - REQUEST_AT_LEAST_SIZE (xXFixesChangeCursorByNameReq); - swapl (&stuff->source, n); - swaps (&stuff->nbytes, n); - return (*ProcXFixesVector[stuff->xfixesReqType]) (client); -} - -static int -CursorFreeClient (pointer data, XID id) -{ - CursorEventPtr old = (CursorEventPtr) data; - CursorEventPtr *prev, e; - - for (prev = &cursorEvents; (e = *prev); prev = &e->next) - { - if (e == old) - { - *prev = e->next; - xfree (e); - break; - } - } - return 1; -} - -static int -CursorFreeWindow (pointer data, XID id) -{ - WindowPtr pWindow = (WindowPtr) data; - CursorEventPtr e, next; - - for (e = cursorEvents; e; e = next) - { - next = e->next; - if (e->pWindow == pWindow) - { - FreeResource (e->clientResource, 0); - } - } - return 1; -} - -Bool -XFixesCursorInit (void) -{ - int i; - - if (CursorGeneration != serverGeneration) - { - CursorScreenPrivateIndex = AllocateScreenPrivateIndex (); - if (CursorScreenPrivateIndex < 0) - return FALSE; - CursorGeneration = serverGeneration; - } - for (i = 0; i < screenInfo.numScreens; i++) - { - ScreenPtr pScreen = screenInfo.screens[i]; - CursorScreenPtr cs; - - cs = (CursorScreenPtr) xalloc (sizeof (CursorScreenRec)); - if (!cs) - return FALSE; - Wrap (cs, pScreen, CloseScreen, CursorCloseScreen); - Wrap (cs, pScreen, DisplayCursor, CursorDisplayCursor); - SetCursorScreen (pScreen, cs); - } - CursorClientType = CreateNewResourceType(CursorFreeClient); - CursorWindowType = CreateNewResourceType(CursorFreeWindow); - return CursorClientType && CursorWindowType; -} - |