diff options
Diffstat (limited to 'xorg-server/Xext/saver.c')
-rw-r--r-- | xorg-server/Xext/saver.c | 3020 |
1 files changed, 1503 insertions, 1517 deletions
diff --git a/xorg-server/Xext/saver.c b/xorg-server/Xext/saver.c index 5fd6c895d..a3ad3398a 100644 --- a/xorg-server/Xext/saver.c +++ b/xorg-server/Xext/saver.c @@ -1,1517 +1,1503 @@ -/*
- *
-Copyright (c) 1992 X Consortium
-
-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 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
-X CONSORTIUM 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 X Consortium 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 X Consortium.
- *
- * Author: Keith Packard, MIT X Consortium
- */
-
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#else
-#define SCREENSAVER
-#endif
-
-#ifdef CreateWindow
-#undef CreateWindow
-#endif
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "os.h"
-#include "windowstr.h"
-#include "scrnintstr.h"
-#include "pixmapstr.h"
-#include "extnsionst.h"
-#include "dixstruct.h"
-#include "resource.h"
-#include "opaque.h"
-#include <X11/extensions/saverproto.h>
-#include "gcstruct.h"
-#include "cursorstr.h"
-#include "colormapst.h"
-#include "xace.h"
-#ifdef PANORAMIX
-#include "panoramiX.h"
-#include "panoramiXsrv.h"
-#endif
-#ifdef DPMSExtension
-#include <X11/extensions/dpmsconst.h>
-#endif
-#include "protocol-versions.h"
-
-#include <stdio.h>
-
-#include "modinit.h"
-
-static int ScreenSaverEventBase = 0;
-
-
-static Bool ScreenSaverHandle (
- ScreenPtr /* pScreen */,
- int /* xstate */,
- Bool /* force */
- );
-
-static Bool
-CreateSaverWindow (
- ScreenPtr /* pScreen */
- );
-
-static Bool
-DestroySaverWindow (
- ScreenPtr /* pScreen */
- );
-
-static void
-UninstallSaverColormap (
- ScreenPtr /* pScreen */
- );
-
-static void
-CheckScreenPrivate (
- ScreenPtr /* pScreen */
- );
-
-static void SScreenSaverNotifyEvent (
- xScreenSaverNotifyEvent * /* from */,
- xScreenSaverNotifyEvent * /* to */
- );
-
-static RESTYPE SuspendType; /* resource type for suspension records */
-
-typedef struct _ScreenSaverSuspension *ScreenSaverSuspensionPtr;
-
-/* List of clients that are suspending the screensaver. */
-static ScreenSaverSuspensionPtr suspendingClients = NULL;
-
-/*
- * clientResource is a resource ID that's added when the record is
- * allocated, so the record is freed and the screensaver resumed when
- * the client disconnects. count is the number of times the client has
- * requested the screensaver be suspended.
- */
-typedef struct _ScreenSaverSuspension
-{
- ScreenSaverSuspensionPtr next;
- ClientPtr pClient;
- XID clientResource;
- int count;
-} ScreenSaverSuspensionRec;
-
-static int ScreenSaverFreeSuspend(
- pointer /*value */,
- XID /* id */
-);
-
-/*
- * each screen has a list of clients requesting
- * ScreenSaverNotify events. Each client has a resource
- * for each screen it selects ScreenSaverNotify input for,
- * this resource is used to delete the ScreenSaverNotifyRec
- * entry from the per-screen queue.
- */
-
-static RESTYPE SaverEventType; /* resource type for event masks */
-
-typedef struct _ScreenSaverEvent *ScreenSaverEventPtr;
-
-typedef struct _ScreenSaverEvent {
- ScreenSaverEventPtr next;
- ClientPtr client;
- ScreenPtr screen;
- XID resource;
- CARD32 mask;
-} ScreenSaverEventRec;
-
-static int ScreenSaverFreeEvents(
- pointer /* value */,
- XID /* id */
-);
-
-static Bool setEventMask (
- ScreenPtr /* pScreen */,
- ClientPtr /* client */,
- unsigned long /* mask */
-);
-
-static unsigned long getEventMask (
- ScreenPtr /* pScreen */,
- ClientPtr /* client */
-);
-
-/*
- * when a client sets the screen saver attributes, a resource is
- * kept to be freed when the client exits
- */
-
-static RESTYPE AttrType; /* resource type for attributes */
-
-typedef struct _ScreenSaverAttr {
- ScreenPtr screen;
- ClientPtr client;
- XID resource;
- short x, y;
- unsigned short width, height, borderWidth;
- unsigned char class;
- unsigned char depth;
- VisualID visual;
- CursorPtr pCursor;
- PixmapPtr pBackgroundPixmap;
- PixmapPtr pBorderPixmap;
- Colormap colormap;
- unsigned long mask; /* no pixmaps or cursors */
- unsigned long *values;
-} ScreenSaverAttrRec, *ScreenSaverAttrPtr;
-
-static int ScreenSaverFreeAttr (
- pointer /* value */,
- XID /* id */
-);
-
-static void FreeAttrs (
- ScreenSaverAttrPtr /* pAttr */
-);
-
-static void FreeScreenAttr (
- ScreenSaverAttrPtr /* pAttr */
-);
-
-static void
-SendScreenSaverNotify (
- ScreenPtr /* pScreen */,
- int /* state */,
- Bool /* forced */
-);
-
-typedef struct _ScreenSaverScreenPrivate {
- ScreenSaverEventPtr events;
- ScreenSaverAttrPtr attr;
- Bool hasWindow;
- Colormap installedMap;
-} ScreenSaverScreenPrivateRec, *ScreenSaverScreenPrivatePtr;
-
-static ScreenSaverScreenPrivatePtr
-MakeScreenPrivate (
- ScreenPtr /* pScreen */
- );
-
-static DevPrivateKeyRec ScreenPrivateKeyRec;
-#define ScreenPrivateKey (&ScreenPrivateKeyRec)
-
-#define GetScreenPrivate(s) ((ScreenSaverScreenPrivatePtr) \
- dixLookupPrivate(&(s)->devPrivates, ScreenPrivateKey))
-#define SetScreenPrivate(s,v) \
- dixSetPrivate(&(s)->devPrivates, ScreenPrivateKey, v);
-#define SetupScreen(s) ScreenSaverScreenPrivatePtr pPriv = (s ? GetScreenPrivate(s) : NULL)
-
-#define New(t) (malloc(sizeof (t)))
-
-static void
-CheckScreenPrivate (ScreenPtr pScreen)
-{
- SetupScreen (pScreen);
-
- if (!pPriv)
- return;
- if (!pPriv->attr && !pPriv->events &&
- !pPriv->hasWindow && pPriv->installedMap == None)
- {
- free(pPriv);
- SetScreenPrivate (pScreen, NULL);
- pScreen->screensaver.ExternalScreenSaver = NULL;
- }
-}
-
-static ScreenSaverScreenPrivatePtr
-MakeScreenPrivate (ScreenPtr pScreen)
-{
- SetupScreen (pScreen);
-
- if (pPriv)
- return pPriv;
- pPriv = New (ScreenSaverScreenPrivateRec);
- if (!pPriv)
- return 0;
- pPriv->events = 0;
- pPriv->attr = 0;
- pPriv->hasWindow = FALSE;
- pPriv->installedMap = None;
- SetScreenPrivate (pScreen, pPriv);
- pScreen->screensaver.ExternalScreenSaver = ScreenSaverHandle;
- return pPriv;
-}
-
-static unsigned long
-getEventMask (ScreenPtr pScreen, ClientPtr client)
-{
- SetupScreen(pScreen);
- ScreenSaverEventPtr pEv;
-
- if (!pPriv)
- return 0;
- for (pEv = pPriv->events; pEv; pEv = pEv->next)
- if (pEv->client == client)
- return pEv->mask;
- return 0;
-}
-
-static Bool
-setEventMask (ScreenPtr pScreen, ClientPtr client, unsigned long mask)
-{
- SetupScreen(pScreen);
- ScreenSaverEventPtr pEv, *pPrev;
-
- if (getEventMask (pScreen, client) == mask)
- return TRUE;
- if (!pPriv)
- {
- pPriv = MakeScreenPrivate (pScreen);
- if (!pPriv)
- return FALSE;
- }
- for (pPrev = &pPriv->events; (pEv = *pPrev) != 0; pPrev = &pEv->next)
- if (pEv->client == client)
- break;
- if (mask == 0)
- {
- FreeResource (pEv->resource, SaverEventType);
- *pPrev = pEv->next;
- free(pEv);
- CheckScreenPrivate (pScreen);
- }
- else
- {
- if (!pEv)
- {
- pEv = New (ScreenSaverEventRec);
- if (!pEv)
- {
- CheckScreenPrivate (pScreen);
- return FALSE;
- }
- *pPrev = pEv;
- pEv->next = NULL;
- pEv->client = client;
- pEv->screen = pScreen;
- pEv->resource = FakeClientID (client->index);
- if (!AddResource (pEv->resource, SaverEventType, (pointer) pEv))
- return FALSE;
- }
- pEv->mask = mask;
- }
- return TRUE;
-}
-
-static void
-FreeAttrs (ScreenSaverAttrPtr pAttr)
-{
- PixmapPtr pPixmap;
- CursorPtr pCursor;
-
- if ((pPixmap = pAttr->pBackgroundPixmap) != 0)
- (*pPixmap->drawable.pScreen->DestroyPixmap)(pPixmap);
- if ((pPixmap = pAttr->pBorderPixmap) != 0)
- (*pPixmap->drawable.pScreen->DestroyPixmap)(pPixmap);
- if ((pCursor = pAttr->pCursor) != 0)
- FreeCursor (pCursor, (Cursor) 0);
-}
-
-static void
-FreeScreenAttr (ScreenSaverAttrPtr pAttr)
-{
- FreeAttrs (pAttr);
- free(pAttr->values);
- free(pAttr);
-}
-
-static int
-ScreenSaverFreeEvents (pointer value, XID id)
-{
- ScreenSaverEventPtr pOld = (ScreenSaverEventPtr)value;
- ScreenPtr pScreen = pOld->screen;
- SetupScreen (pScreen);
- ScreenSaverEventPtr pEv, *pPrev;
-
- if (!pPriv)
- return TRUE;
- for (pPrev = &pPriv->events; (pEv = *pPrev) != 0; pPrev = &pEv->next)
- if (pEv == pOld)
- break;
- if (!pEv)
- return TRUE;
- *pPrev = pEv->next;
- free(pEv);
- CheckScreenPrivate (pScreen);
- return TRUE;
-}
-
-static int
-ScreenSaverFreeAttr (pointer value, XID id)
-{
- ScreenSaverAttrPtr pOldAttr = (ScreenSaverAttrPtr)value;
- ScreenPtr pScreen = pOldAttr->screen;
- SetupScreen (pScreen);
-
- if (!pPriv)
- return TRUE;
- if (pPriv->attr != pOldAttr)
- return TRUE;
- FreeScreenAttr (pOldAttr);
- pPriv->attr = NULL;
- if (pPriv->hasWindow)
- {
- dixSaveScreens (serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset);
- dixSaveScreens (serverClient, SCREEN_SAVER_FORCER, ScreenSaverActive);
- }
- CheckScreenPrivate (pScreen);
- return TRUE;
-}
-
-static int
-ScreenSaverFreeSuspend (pointer value, XID id)
-{
- ScreenSaverSuspensionPtr data = (ScreenSaverSuspensionPtr) value;
- ScreenSaverSuspensionPtr *prev, this;
-
- /* Unlink and free the suspension record for the client */
- for (prev = &suspendingClients; (this = *prev); prev = &this->next)
- {
- if (this == data)
- {
- *prev = this->next;
- free(this);
- break;
- }
- }
-
- /* Reenable the screensaver if this was the last client suspending it. */
- if (screenSaverSuspended && suspendingClients == NULL)
- {
- screenSaverSuspended = FALSE;
-
- /* The screensaver could be active, since suspending it (by design)
- doesn't prevent it from being forceably activated */
-#ifdef DPMSExtension
- if (screenIsSaved != SCREEN_SAVER_ON && DPMSPowerLevel == DPMSModeOn)
-#else
- if (screenIsSaved != SCREEN_SAVER_ON)
-#endif
- {
- UpdateCurrentTimeIf();
- lastDeviceEventTime = currentTime;
- SetScreenSaverTimer();
- }
- }
-
- return Success;
-}
-
-static void
-SendScreenSaverNotify (ScreenPtr pScreen, int state, Bool forced)
-{
- ScreenSaverScreenPrivatePtr pPriv;
- ScreenSaverEventPtr pEv;
- unsigned long mask;
- xScreenSaverNotifyEvent ev;
- int kind;
-
- UpdateCurrentTimeIf ();
- mask = ScreenSaverNotifyMask;
- if (state == ScreenSaverCycle)
- mask = ScreenSaverCycleMask;
- pScreen = screenInfo.screens[pScreen->myNum];
- pPriv = GetScreenPrivate(pScreen);
- if (!pPriv)
- return;
- if (pPriv->attr)
- kind = ScreenSaverExternal;
- else if (ScreenSaverBlanking != DontPreferBlanking)
- kind = ScreenSaverBlanked;
- else
- kind = ScreenSaverInternal;
- for (pEv = pPriv->events; pEv; pEv = pEv->next)
- {
- if (!(pEv->mask & mask))
- continue;
- ev.type = ScreenSaverNotify + ScreenSaverEventBase;
- ev.state = state;
- ev.timestamp = currentTime.milliseconds;
- ev.root = pScreen->root->drawable.id;
- ev.window = pScreen->screensaver.wid;
- ev.kind = kind;
- ev.forced = forced;
- WriteEventsToClient (pEv->client, 1, (xEvent *) &ev);
- }
-}
-
-static void
-SScreenSaverNotifyEvent (xScreenSaverNotifyEvent *from,
- xScreenSaverNotifyEvent *to)
-{
- to->type = from->type;
- to->state = from->state;
- cpswaps (from->sequenceNumber, to->sequenceNumber);
- cpswapl (from->timestamp, to->timestamp);
- cpswapl (from->root, to->root);
- cpswapl (from->window, to->window);
- to->kind = from->kind;
- to->forced = from->forced;
-}
-
-static void
-UninstallSaverColormap (ScreenPtr pScreen)
-{
- SetupScreen(pScreen);
- ColormapPtr pCmap;
- int rc;
-
- if (pPriv && pPriv->installedMap != None)
- {
- rc = dixLookupResourceByType((pointer *)&pCmap, pPriv->installedMap,
- RT_COLORMAP, serverClient,
- DixUninstallAccess);
- if (rc == Success)
- (*pCmap->pScreen->UninstallColormap) (pCmap);
- pPriv->installedMap = None;
- CheckScreenPrivate (pScreen);
- }
-}
-
-static Bool
-CreateSaverWindow (ScreenPtr pScreen)
-{
- SetupScreen (pScreen);
- ScreenSaverStuffPtr pSaver;
- ScreenSaverAttrPtr pAttr;
- WindowPtr pWin;
- int result;
- unsigned long mask;
- Colormap *installedMaps;
- int numInstalled;
- int i;
- Colormap wantMap;
- ColormapPtr pCmap;
-
- pSaver = &pScreen->screensaver;
- if (pSaver->pWindow)
- {
- pSaver->pWindow = NullWindow;
- FreeResource (pSaver->wid, RT_NONE);
- if (pPriv)
- {
- UninstallSaverColormap (pScreen);
- pPriv->hasWindow = FALSE;
- CheckScreenPrivate (pScreen);
- }
- }
-
- if (!pPriv || !(pAttr = pPriv->attr))
- return FALSE;
-
- pPriv->installedMap = None;
-
- if (GrabInProgress && GrabInProgress != pAttr->client->index)
- return FALSE;
-
- pWin = CreateWindow (pSaver->wid, pScreen->root,
- pAttr->x, pAttr->y, pAttr->width, pAttr->height,
- pAttr->borderWidth, pAttr->class,
- pAttr->mask, (XID *)pAttr->values,
- pAttr->depth, serverClient, pAttr->visual,
- &result);
- if (!pWin)
- return FALSE;
-
- if (!AddResource(pWin->drawable.id, RT_WINDOW, pWin))
- return FALSE;
-
- mask = 0;
- if (pAttr->pBackgroundPixmap)
- {
- pWin->backgroundState = BackgroundPixmap;
- pWin->background.pixmap = pAttr->pBackgroundPixmap;
- pAttr->pBackgroundPixmap->refcnt++;
- mask |= CWBackPixmap;
- }
- if (pAttr->pBorderPixmap)
- {
- pWin->borderIsPixel = FALSE;
- pWin->border.pixmap = pAttr->pBorderPixmap;
- pAttr->pBorderPixmap->refcnt++;
- mask |= CWBorderPixmap;
- }
- if (pAttr->pCursor)
- {
- if (!pWin->optional)
- if (!MakeWindowOptional (pWin))
- {
- FreeResource (pWin->drawable.id, RT_NONE);
- return FALSE;
- }
- pAttr->pCursor->refcnt++;
- if (pWin->optional->cursor)
- FreeCursor (pWin->optional->cursor, (Cursor)0);
- pWin->optional->cursor = pAttr->pCursor;
- pWin->cursorIsNone = FALSE;
- CheckWindowOptionalNeed (pWin);
- mask |= CWCursor;
- }
- if (mask)
- (*pScreen->ChangeWindowAttributes) (pWin, mask);
-
- if (pAttr->colormap != None)
- (void) ChangeWindowAttributes (pWin, CWColormap, &pAttr->colormap,
- serverClient);
-
- MapWindow (pWin, serverClient);
-
- pPriv->hasWindow = TRUE;
- pSaver->pWindow = pWin;
-
- /* check and install our own colormap if it isn't installed now */
- wantMap = wColormap (pWin);
- if (wantMap == None)
- return TRUE;
- installedMaps = malloc(pScreen->maxInstalledCmaps * sizeof (Colormap));
- numInstalled = (*pWin->drawable.pScreen->ListInstalledColormaps)
- (pScreen, installedMaps);
- for (i = 0; i < numInstalled; i++)
- if (installedMaps[i] == wantMap)
- break;
-
- free((char *) installedMaps);
-
- if (i < numInstalled)
- return TRUE;
-
- result = dixLookupResourceByType((pointer *)&pCmap, wantMap, RT_COLORMAP,
- serverClient, DixInstallAccess);
- if (result != Success)
- return TRUE;
-
- pPriv->installedMap = wantMap;
-
- (*pCmap->pScreen->InstallColormap) (pCmap);
-
- return TRUE;
-}
-
-static Bool
-DestroySaverWindow (ScreenPtr pScreen)
-{
- SetupScreen(pScreen);
- ScreenSaverStuffPtr pSaver;
-
- if (!pPriv || !pPriv->hasWindow)
- return FALSE;
-
- pSaver = &pScreen->screensaver;
- if (pSaver->pWindow)
- {
- pSaver->pWindow = NullWindow;
- FreeResource (pSaver->wid, RT_NONE);
- }
- pPriv->hasWindow = FALSE;
- CheckScreenPrivate (pScreen);
- UninstallSaverColormap (pScreen);
- return TRUE;
-}
-
-static Bool
-ScreenSaverHandle (ScreenPtr pScreen, int xstate, Bool force)
-{
- int state = 0;
- Bool ret = FALSE;
- ScreenSaverScreenPrivatePtr pPriv;
-
- switch (xstate)
- {
- case SCREEN_SAVER_ON:
- state = ScreenSaverOn;
- ret = CreateSaverWindow (pScreen);
- break;
- case SCREEN_SAVER_OFF:
- state = ScreenSaverOff;
- ret = DestroySaverWindow (pScreen);
- break;
- case SCREEN_SAVER_CYCLE:
- state = ScreenSaverCycle;
- pPriv = GetScreenPrivate (pScreen);
- if (pPriv && pPriv->hasWindow)
- ret = TRUE;
-
- }
-#ifdef PANORAMIX
- if(noPanoramiXExtension || !pScreen->myNum)
-#endif
- SendScreenSaverNotify (pScreen, state, force);
- return ret;
-}
-
-static int
-ProcScreenSaverQueryVersion (ClientPtr client)
-{
- xScreenSaverQueryVersionReply rep;
- int n;
-
- REQUEST_SIZE_MATCH (xScreenSaverQueryVersionReq);
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.majorVersion = SERVER_SAVER_MAJOR_VERSION;
- rep.minorVersion = SERVER_SAVER_MINOR_VERSION;
- if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- }
- WriteToClient(client, sizeof (xScreenSaverQueryVersionReply), (char *)&rep);
- return Success;
-}
-
-static int
-ProcScreenSaverQueryInfo (ClientPtr client)
-{
- REQUEST(xScreenSaverQueryInfoReq);
- xScreenSaverQueryInfoReply rep;
- int n, rc;
- ScreenSaverStuffPtr pSaver;
- DrawablePtr pDraw;
- CARD32 lastInput;
- ScreenSaverScreenPrivatePtr pPriv;
-
- REQUEST_SIZE_MATCH (xScreenSaverQueryInfoReq);
- rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0,
- DixGetAttrAccess);
- if (rc != Success)
- return rc;
- rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, pDraw->pScreen,
- DixGetAttrAccess);
- if (rc != Success)
- return rc;
-
- pSaver = &pDraw->pScreen->screensaver;
- pPriv = GetScreenPrivate (pDraw->pScreen);
-
- UpdateCurrentTime ();
- lastInput = GetTimeInMillis() - lastDeviceEventTime.milliseconds;
-
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.window = pSaver->wid;
- if (screenIsSaved != SCREEN_SAVER_OFF)
- {
- rep.state = ScreenSaverOn;
- if (ScreenSaverTime)
- rep.tilOrSince = lastInput - ScreenSaverTime;
- else
- rep.tilOrSince = 0;
- }
- else
- {
- if (ScreenSaverTime)
- {
- rep.state = ScreenSaverOff;
- if (ScreenSaverTime < lastInput)
- rep.tilOrSince = 0;
- else
- rep.tilOrSince = ScreenSaverTime - lastInput;
- }
- else
- {
- rep.state = ScreenSaverDisabled;
- rep.tilOrSince = 0;
- }
- }
- rep.idle = lastInput;
- rep.eventMask = getEventMask (pDraw->pScreen, client);
- if (pPriv && pPriv->attr)
- rep.kind = ScreenSaverExternal;
- else if (ScreenSaverBlanking != DontPreferBlanking)
- rep.kind = ScreenSaverBlanked;
- else
- rep.kind = ScreenSaverInternal;
- if (client->swapped)
- {
- swaps (&rep.sequenceNumber, n);
- swapl (&rep.length, n);
- swapl (&rep.window, n);
- swapl (&rep.tilOrSince, n);
- swapl (&rep.idle, n);
- swapl (&rep.eventMask, n);
- }
- WriteToClient(client, sizeof (xScreenSaverQueryInfoReply), (char *)&rep);
- return Success;
-}
-
-static int
-ProcScreenSaverSelectInput (ClientPtr client)
-{
- REQUEST(xScreenSaverSelectInputReq);
- DrawablePtr pDraw;
- int rc;
-
- REQUEST_SIZE_MATCH (xScreenSaverSelectInputReq);
- rc = dixLookupDrawable (&pDraw, stuff->drawable, client, 0,
- DixGetAttrAccess);
- if (rc != Success)
- return rc;
-
- rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, pDraw->pScreen,
- DixSetAttrAccess);
- if (rc != Success)
- return rc;
-
- if (!setEventMask (pDraw->pScreen, client, stuff->eventMask))
- return BadAlloc;
- return Success;
-}
-
-static int
-ScreenSaverSetAttributes (ClientPtr client)
-{
- REQUEST(xScreenSaverSetAttributesReq);
- DrawablePtr pDraw;
- WindowPtr pParent;
- ScreenPtr pScreen;
- ScreenSaverScreenPrivatePtr pPriv = 0;
- ScreenSaverAttrPtr pAttr = 0;
- int ret, len, class, bw, depth;
- unsigned long visual;
- int idepth, ivisual;
- Bool fOK;
- DepthPtr pDepth;
- WindowOptPtr ancwopt;
- unsigned int *pVlist;
- unsigned long *values = 0;
- unsigned long tmask, imask;
- unsigned long val;
- Pixmap pixID;
- PixmapPtr pPixmap;
- Cursor cursorID;
- CursorPtr pCursor;
- Colormap cmap;
- ColormapPtr pCmap;
-
- REQUEST_AT_LEAST_SIZE (xScreenSaverSetAttributesReq);
- ret = dixLookupDrawable(&pDraw, stuff->drawable, client, 0,
- DixGetAttrAccess);
- if (ret != Success)
- return ret;
- pScreen = pDraw->pScreen;
- pParent = pScreen->root;
-
- ret = XaceHook(XACE_SCREENSAVER_ACCESS, client, pScreen, DixSetAttrAccess);
- if (ret != Success)
- return ret;
-
- len = stuff->length - bytes_to_int32(sizeof(xScreenSaverSetAttributesReq));
- if (Ones(stuff->mask) != len)
- return BadLength;
- if (!stuff->width || !stuff->height)
- {
- client->errorValue = 0;
- return BadValue;
- }
- switch (class = stuff->c_class)
- {
- case CopyFromParent:
- case InputOnly:
- case InputOutput:
- break;
- default:
- client->errorValue = class;
- return BadValue;
- }
- bw = stuff->borderWidth;
- depth = stuff->depth;
- visual = stuff->visualID;
-
- /* copied directly from CreateWindow */
-
- if (class == CopyFromParent)
- class = pParent->drawable.class;
-
- if ((class != InputOutput) && (class != InputOnly))
- {
- client->errorValue = class;
- return BadValue;
- }
-
- if ((class != InputOnly) && (pParent->drawable.class == InputOnly))
- return BadMatch;
-
- if ((class == InputOnly) && ((bw != 0) || (depth != 0)))
- return BadMatch;
-
- 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)
- return BadMatch;
- }
-
- if (((stuff->mask & (CWBorderPixmap | CWBorderPixel)) == 0) &&
- (class != InputOnly) &&
- (depth != pParent->drawable.depth))
- {
- return BadMatch;
- }
-
- if (((stuff->mask & CWColormap) == 0) &&
- (class != InputOnly) &&
- ((visual != ancwopt->visual) || (ancwopt->colormap == None)))
- {
- return BadMatch;
- }
-
- /* end of errors from CreateWindow */
-
- pPriv = GetScreenPrivate (pScreen);
- if (pPriv && pPriv->attr)
- {
- if (pPriv->attr->client != client)
- return BadAccess;
- }
- if (!pPriv)
- {
- pPriv = MakeScreenPrivate (pScreen);
- if (!pPriv)
- return FALSE;
- }
- pAttr = New (ScreenSaverAttrRec);
- if (!pAttr)
- {
- ret = BadAlloc;
- goto bail;
- }
- /* over allocate for override redirect */
- values = malloc((len + 1) * sizeof (unsigned long));
- if (!values)
- {
- ret = BadAlloc;
- goto bail;
- }
- pAttr->screen = pScreen;
- pAttr->client = client;
- pAttr->x = stuff->x;
- pAttr->y = stuff->y;
- pAttr->width = stuff->width;
- pAttr->height = stuff->height;
- pAttr->borderWidth = stuff->borderWidth;
- pAttr->class = stuff->c_class;
- pAttr->depth = depth;
- pAttr->visual = visual;
- pAttr->colormap = None;
- pAttr->pCursor = NullCursor;
- pAttr->pBackgroundPixmap = NullPixmap;
- pAttr->pBorderPixmap = NullPixmap;
- pAttr->values = values;
- /*
- * go through the mask, checking the values,
- * looking up pixmaps and cursors and hold a reference
- * to them.
- */
- pAttr->mask = tmask = stuff->mask | CWOverrideRedirect;
- pVlist = (unsigned int *) (stuff + 1);
- while (tmask) {
- imask = lowbit (tmask);
- tmask &= ~imask;
- switch (imask)
- {
- case CWBackPixmap:
- pixID = (Pixmap )*pVlist;
- if (pixID == None)
- {
- *values++ = None;
- }
- else if (pixID == ParentRelative)
- {
- if (depth != pParent->drawable.depth)
- {
- ret = BadMatch;
- goto PatchUp;
- }
- *values++ = ParentRelative;
- }
- else
- {
- ret = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP,
- client, DixReadAccess);
- if (ret == Success)
- {
- if ((pPixmap->drawable.depth != depth) ||
- (pPixmap->drawable.pScreen != pScreen))
- {
- ret = BadMatch;
- goto PatchUp;
- }
- pAttr->pBackgroundPixmap = pPixmap;
- pPixmap->refcnt++;
- pAttr->mask &= ~CWBackPixmap;
- }
- else
- {
- client->errorValue = pixID;
- goto PatchUp;
- }
- }
- break;
- case CWBackPixel:
- *values++ = (CARD32) *pVlist;
- break;
- case CWBorderPixmap:
- pixID = (Pixmap ) *pVlist;
- if (pixID == CopyFromParent)
- {
- if (depth != pParent->drawable.depth)
- {
- ret = BadMatch;
- goto PatchUp;
- }
- *values++ = CopyFromParent;
- }
- else
- {
- ret = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP,
- client, DixReadAccess);
- if (ret == Success)
- {
- if ((pPixmap->drawable.depth != depth) ||
- (pPixmap->drawable.pScreen != pScreen))
- {
- ret = BadMatch;
- goto PatchUp;
- }
- pAttr->pBorderPixmap = pPixmap;
- pPixmap->refcnt++;
- pAttr->mask &= ~CWBorderPixmap;
- }
- else
- {
- client->errorValue = pixID;
- goto PatchUp;
- }
- }
- break;
- case CWBorderPixel:
- *values++ = (CARD32) *pVlist;
- break;
- case CWBitGravity:
- val = (CARD8 )*pVlist;
- if (val > StaticGravity)
- {
- ret = BadValue;
- client->errorValue = val;
- goto PatchUp;
- }
- *values++ = val;
- break;
- case CWWinGravity:
- val = (CARD8 )*pVlist;
- if (val > StaticGravity)
- {
- ret = BadValue;
- client->errorValue = val;
- goto PatchUp;
- }
- *values++ = val;
- break;
- case CWBackingStore:
- val = (CARD8 )*pVlist;
- if ((val != NotUseful) && (val != WhenMapped) && (val != Always))
- {
- ret = BadValue;
- client->errorValue = val;
- goto PatchUp;
- }
- *values++ = val;
- break;
- case CWBackingPlanes:
- *values++ = (CARD32) *pVlist;
- break;
- case CWBackingPixel:
- *values++ = (CARD32) *pVlist;
- break;
- case CWSaveUnder:
- val = (BOOL) *pVlist;
- if ((val != xTrue) && (val != xFalse))
- {
- ret = BadValue;
- client->errorValue = val;
- goto PatchUp;
- }
- *values++ = val;
- break;
- case CWEventMask:
- *values++ = (CARD32) *pVlist;
- break;
- case CWDontPropagate:
- *values++ = (CARD32) *pVlist;
- break;
- case CWOverrideRedirect:
- if (!(stuff->mask & CWOverrideRedirect))
- pVlist--;
- else
- {
- val = (BOOL ) *pVlist;
- if ((val != xTrue) && (val != xFalse))
- {
- ret = BadValue;
- client->errorValue = val;
- goto PatchUp;
- }
- }
- *values++ = xTrue;
- break;
- case CWColormap:
- cmap = (Colormap) *pVlist;
- ret = dixLookupResourceByType((pointer *)&pCmap, cmap, RT_COLORMAP,
- client, DixUseAccess);
- if (ret != Success)
- {
- client->errorValue = cmap;
- goto PatchUp;
- }
- if (pCmap->pVisual->vid != visual || pCmap->pScreen != pScreen)
- {
- ret = BadMatch;
- goto PatchUp;
- }
- pAttr->colormap = cmap;
- pAttr->mask &= ~CWColormap;
- break;
- case CWCursor:
- cursorID = (Cursor ) *pVlist;
- if ( cursorID == None)
- {
- *values++ = None;
- }
- else
- {
- ret = dixLookupResourceByType((pointer *)&pCursor, cursorID,
- RT_CURSOR, client, DixUseAccess);
- if (ret != Success)
- {
- client->errorValue = cursorID;
- goto PatchUp;
- }
- pCursor->refcnt++;
- pAttr->pCursor = pCursor;
- pAttr->mask &= ~CWCursor;
- }
- break;
- default:
- ret = BadValue;
- client->errorValue = stuff->mask;
- goto PatchUp;
- }
- pVlist++;
- }
- if (pPriv->attr)
- FreeScreenAttr (pPriv->attr);
- pPriv->attr = pAttr;
- pAttr->resource = FakeClientID (client->index);
- if (!AddResource (pAttr->resource, AttrType, (pointer) pAttr))
- return BadAlloc;
- return Success;
-PatchUp:
- FreeAttrs (pAttr);
-bail:
- CheckScreenPrivate (pScreen);
- if (pAttr) free(pAttr->values);
- free(pAttr);
- return ret;
-}
-
-static int
-ScreenSaverUnsetAttributes (ClientPtr client)
-{
- REQUEST(xScreenSaverSetAttributesReq);
- DrawablePtr pDraw;
- ScreenSaverScreenPrivatePtr pPriv;
- int rc;
-
- REQUEST_SIZE_MATCH (xScreenSaverUnsetAttributesReq);
- rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0,
- DixGetAttrAccess);
- if (rc != Success)
- return rc;
- pPriv = GetScreenPrivate (pDraw->pScreen);
- if (pPriv && pPriv->attr && pPriv->attr->client == client)
- {
- FreeResource (pPriv->attr->resource, AttrType);
- FreeScreenAttr (pPriv->attr);
- pPriv->attr = NULL;
- CheckScreenPrivate (pDraw->pScreen);
- }
- return Success;
-}
-
-static int
-ProcScreenSaverSetAttributes (ClientPtr client)
-{
-#ifdef PANORAMIX
- if(!noPanoramiXExtension) {
- REQUEST(xScreenSaverSetAttributesReq);
- PanoramiXRes *draw;
- PanoramiXRes *backPix = NULL;
- PanoramiXRes *bordPix = NULL;
- PanoramiXRes *cmap = NULL;
- int i, status, len;
- int pback_offset = 0, pbord_offset = 0, cmap_offset = 0;
- XID orig_visual, tmp;
-
- REQUEST_AT_LEAST_SIZE (xScreenSaverSetAttributesReq);
-
- status = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
- XRC_DRAWABLE, client, DixWriteAccess);
- if (status != Success)
- return (status == BadValue) ? BadDrawable : status;
-
- len = stuff->length - bytes_to_int32(sizeof(xScreenSaverSetAttributesReq));
- if (Ones(stuff->mask) != len)
- return BadLength;
-
- if((Mask)stuff->mask & CWBackPixmap) {
- pback_offset = Ones((Mask)stuff->mask & (CWBackPixmap - 1));
- tmp = *((CARD32 *) &stuff[1] + pback_offset);
- if ((tmp != None) && (tmp != ParentRelative)) {
- status = dixLookupResourceByType((pointer *)&backPix, tmp,
- XRT_PIXMAP, client,
- DixReadAccess);
- if (status != Success)
- return status;
- }
- }
-
- if ((Mask)stuff->mask & CWBorderPixmap) {
- pbord_offset = Ones((Mask)stuff->mask & (CWBorderPixmap - 1));
- tmp = *((CARD32 *) &stuff[1] + pbord_offset);
- if (tmp != CopyFromParent) {
- status = dixLookupResourceByType((pointer *)&bordPix, tmp,
- XRT_PIXMAP, client,
- DixReadAccess);
- if (status != Success)
- return status;
- }
- }
-
- if ((Mask)stuff->mask & CWColormap) {
- cmap_offset = Ones((Mask)stuff->mask & (CWColormap - 1));
- tmp = *((CARD32 *) &stuff[1] + cmap_offset);
- if ((tmp != CopyFromParent) && (tmp != None)) {
- status = dixLookupResourceByType((pointer *)&cmap, tmp,
- XRT_COLORMAP, client,
- DixReadAccess);
- if (status != Success)
- return status;
- }
- }
-
- orig_visual = stuff->visualID;
-
- FOR_NSCREENS_BACKWARD(i) {
- stuff->drawable = draw->info[i].id;
- if (backPix)
- *((CARD32 *) &stuff[1] + pback_offset) = backPix->info[i].id;
- if (bordPix)
- *((CARD32 *) &stuff[1] + pbord_offset) = bordPix->info[i].id;
- if (cmap)
- *((CARD32 *) &stuff[1] + cmap_offset) = cmap->info[i].id;
-
- if (orig_visual != CopyFromParent)
- stuff->visualID = PanoramiXTranslateVisualID(i, orig_visual);
-
- status = ScreenSaverSetAttributes(client);
- }
-
- return status;
- }
-#endif
-
- return ScreenSaverSetAttributes(client);
-}
-
-static int
-ProcScreenSaverUnsetAttributes (ClientPtr client)
-{
-#ifdef PANORAMIX
- if(!noPanoramiXExtension) {
- REQUEST(xScreenSaverUnsetAttributesReq);
- PanoramiXRes *draw;
- int rc, i;
-
- rc = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
- XRC_DRAWABLE, client, DixWriteAccess);
- if (rc != Success)
- return (rc == BadValue) ? BadDrawable : rc;
-
- for(i = PanoramiXNumScreens - 1; i > 0; i--) {
- stuff->drawable = draw->info[i].id;
- ScreenSaverUnsetAttributes(client);
- }
-
- stuff->drawable = draw->info[0].id;
- }
-#endif
-
- return ScreenSaverUnsetAttributes(client);
-}
-
-static int
-ProcScreenSaverSuspend (ClientPtr client)
-{
- ScreenSaverSuspensionPtr *prev, this;
-
- REQUEST(xScreenSaverSuspendReq);
- REQUEST_SIZE_MATCH(xScreenSaverSuspendReq);
-
- /* Check if this client is suspending the screensaver */
- for (prev = &suspendingClients; (this = *prev); prev = &this->next)
- if (this->pClient == client)
- break;
-
- if (this)
- {
- if (stuff->suspend == TRUE)
- this->count++;
- else if (--this->count == 0)
- FreeResource (this->clientResource, RT_NONE);
-
- return Success;
- }
-
- /* If we get to this point, this client isn't suspending the screensaver */
- if (stuff->suspend == FALSE)
- return Success;
-
- /*
- * Allocate a suspension record for the client, and stop the screensaver
- * if it isn't already suspended by another client. We attach a resource ID
- * to the record, so the screensaver will be reenabled and the record freed
- * if the client disconnects without reenabling it first.
- */
- this = malloc(sizeof (ScreenSaverSuspensionRec));
-
- if (!this)
- return BadAlloc;
-
- this->next = NULL;
- this->pClient = client;
- this->count = 1;
- this->clientResource = FakeClientID (client->index);
-
- if (!AddResource (this->clientResource, SuspendType, (pointer) this))
- {
- free(this);
- return BadAlloc;
- }
-
- *prev = this;
- if (!screenSaverSuspended)
- {
- screenSaverSuspended = TRUE;
- FreeScreenSaverTimer();
- }
-
- return Success;
-}
-
-static int (*NormalVector[]) (ClientPtr /* client */) = {
- ProcScreenSaverQueryVersion,
- ProcScreenSaverQueryInfo,
- ProcScreenSaverSelectInput,
- ProcScreenSaverSetAttributes,
- ProcScreenSaverUnsetAttributes,
- ProcScreenSaverSuspend,
-};
-
-#define NUM_REQUESTS ((sizeof NormalVector) / (sizeof NormalVector[0]))
-
-static int
-ProcScreenSaverDispatch (ClientPtr client)
-{
- REQUEST(xReq);
-
- if (stuff->data < NUM_REQUESTS)
- return (*NormalVector[stuff->data])(client);
- return BadRequest;
-}
-
-static int
-SProcScreenSaverQueryVersion (ClientPtr client)
-{
- REQUEST(xScreenSaverQueryVersionReq);
- int n;
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xScreenSaverQueryVersionReq);
- return ProcScreenSaverQueryVersion (client);
-}
-
-static int
-SProcScreenSaverQueryInfo (ClientPtr client)
-{
- REQUEST(xScreenSaverQueryInfoReq);
- int n;
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xScreenSaverQueryInfoReq);
- swapl (&stuff->drawable, n);
- return ProcScreenSaverQueryInfo (client);
-}
-
-static int
-SProcScreenSaverSelectInput (ClientPtr client)
-{
- REQUEST(xScreenSaverSelectInputReq);
- int n;
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xScreenSaverSelectInputReq);
- swapl (&stuff->drawable, n);
- swapl (&stuff->eventMask, n);
- return ProcScreenSaverSelectInput (client);
-}
-
-static int
-SProcScreenSaverSetAttributes (ClientPtr client)
-{
- REQUEST(xScreenSaverSetAttributesReq);
- int n;
-
- swaps (&stuff->length, n);
- REQUEST_AT_LEAST_SIZE(xScreenSaverSetAttributesReq);
- swapl (&stuff->drawable, n);
- swaps (&stuff->x, n);
- swaps (&stuff->y, n);
- swaps (&stuff->width, n);
- swaps (&stuff->height, n);
- swaps (&stuff->borderWidth, n);
- swapl (&stuff->visualID, n);
- swapl (&stuff->mask, n);
- SwapRestL(stuff);
- return ProcScreenSaverSetAttributes (client);
-}
-
-static int
-SProcScreenSaverUnsetAttributes (ClientPtr client)
-{
- REQUEST(xScreenSaverUnsetAttributesReq);
- int n;
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xScreenSaverUnsetAttributesReq);
- swapl (&stuff->drawable, n);
- return ProcScreenSaverUnsetAttributes (client);
-}
-
-static int
-SProcScreenSaverSuspend (ClientPtr client)
-{
- int n;
- REQUEST(xScreenSaverSuspendReq);
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xScreenSaverSuspendReq);
- swapl(&stuff->suspend, n);
- return ProcScreenSaverSuspend (client);
-}
-
-static int (*SwappedVector[]) (ClientPtr /* client */) = {
- SProcScreenSaverQueryVersion,
- SProcScreenSaverQueryInfo,
- SProcScreenSaverSelectInput,
- SProcScreenSaverSetAttributes,
- SProcScreenSaverUnsetAttributes,
- SProcScreenSaverSuspend,
-};
-
-static int
-SProcScreenSaverDispatch (ClientPtr client)
-{
- REQUEST(xReq);
-
- if (stuff->data < NUM_REQUESTS)
- return (*SwappedVector[stuff->data])(client);
- return BadRequest;
-}
-
-void
-ScreenSaverExtensionInit(INITARGS)
-{
- ExtensionEntry *extEntry;
- int i;
- ScreenPtr pScreen;
-
- if (!dixRegisterPrivateKey(&ScreenPrivateKeyRec, PRIVATE_SCREEN, 0))
- return;
-
- AttrType = CreateNewResourceType(ScreenSaverFreeAttr, "SaverAttr");
- SaverEventType = CreateNewResourceType(ScreenSaverFreeEvents,
- "SaverEvent");
- SuspendType = CreateNewResourceType(ScreenSaverFreeSuspend,
- "SaverSuspend");
-
- for (i = 0; i < screenInfo.numScreens; i++)
- {
- pScreen = screenInfo.screens[i];
- SetScreenPrivate (pScreen, NULL);
- }
- if (AttrType && SaverEventType && SuspendType &&
- (extEntry = AddExtension(ScreenSaverName, ScreenSaverNumberEvents, 0,
- ProcScreenSaverDispatch, SProcScreenSaverDispatch,
- NULL, StandardMinorOpcode)))
- {
- ScreenSaverEventBase = extEntry->eventBase;
- EventSwapVector[ScreenSaverEventBase] = (EventSwapPtr) SScreenSaverNotifyEvent;
- }
-}
+/* + * +Copyright (c) 1992 X Consortium + +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 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 +X CONSORTIUM 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 X Consortium 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 X Consortium. + * + * Author: Keith Packard, MIT X Consortium + */ + + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#else +#define SCREENSAVER +#endif + +#ifdef CreateWindow +#undef CreateWindow +#endif + +#include <X11/X.h> +#include <X11/Xproto.h> +#include "misc.h" +#include "os.h" +#include "windowstr.h" +#include "scrnintstr.h" +#include "pixmapstr.h" +#include "extnsionst.h" +#include "dixstruct.h" +#include "resource.h" +#include "opaque.h" +#include <X11/extensions/saverproto.h> +#include "gcstruct.h" +#include "cursorstr.h" +#include "colormapst.h" +#include "xace.h" +#ifdef PANORAMIX +#include "panoramiX.h" +#include "panoramiXsrv.h" +#endif +#ifdef DPMSExtension +#include <X11/extensions/dpmsconst.h> +#endif +#include "protocol-versions.h" + +#include <stdio.h> + +#include "modinit.h" + +static int ScreenSaverEventBase = 0; + + +static Bool ScreenSaverHandle ( + ScreenPtr /* pScreen */, + int /* xstate */, + Bool /* force */ + ); + +static Bool +CreateSaverWindow ( + ScreenPtr /* pScreen */ + ); + +static Bool +DestroySaverWindow ( + ScreenPtr /* pScreen */ + ); + +static void +UninstallSaverColormap ( + ScreenPtr /* pScreen */ + ); + +static void +CheckScreenPrivate ( + ScreenPtr /* pScreen */ + ); + +static void SScreenSaverNotifyEvent ( + xScreenSaverNotifyEvent * /* from */, + xScreenSaverNotifyEvent * /* to */ + ); + +static RESTYPE SuspendType; /* resource type for suspension records */ + +typedef struct _ScreenSaverSuspension *ScreenSaverSuspensionPtr; + +/* List of clients that are suspending the screensaver. */ +static ScreenSaverSuspensionPtr suspendingClients = NULL; + +/* + * clientResource is a resource ID that's added when the record is + * allocated, so the record is freed and the screensaver resumed when + * the client disconnects. count is the number of times the client has + * requested the screensaver be suspended. + */ +typedef struct _ScreenSaverSuspension +{ + ScreenSaverSuspensionPtr next; + ClientPtr pClient; + XID clientResource; + int count; +} ScreenSaverSuspensionRec; + +static int ScreenSaverFreeSuspend( + pointer /*value */, + XID /* id */ +); + +/* + * each screen has a list of clients requesting + * ScreenSaverNotify events. Each client has a resource + * for each screen it selects ScreenSaverNotify input for, + * this resource is used to delete the ScreenSaverNotifyRec + * entry from the per-screen queue. + */ + +static RESTYPE SaverEventType; /* resource type for event masks */ + +typedef struct _ScreenSaverEvent *ScreenSaverEventPtr; + +typedef struct _ScreenSaverEvent { + ScreenSaverEventPtr next; + ClientPtr client; + ScreenPtr screen; + XID resource; + CARD32 mask; +} ScreenSaverEventRec; + +static int ScreenSaverFreeEvents( + pointer /* value */, + XID /* id */ +); + +static Bool setEventMask ( + ScreenPtr /* pScreen */, + ClientPtr /* client */, + unsigned long /* mask */ +); + +static unsigned long getEventMask ( + ScreenPtr /* pScreen */, + ClientPtr /* client */ +); + +/* + * when a client sets the screen saver attributes, a resource is + * kept to be freed when the client exits + */ + +static RESTYPE AttrType; /* resource type for attributes */ + +typedef struct _ScreenSaverAttr { + ScreenPtr screen; + ClientPtr client; + XID resource; + short x, y; + unsigned short width, height, borderWidth; + unsigned char class; + unsigned char depth; + VisualID visual; + CursorPtr pCursor; + PixmapPtr pBackgroundPixmap; + PixmapPtr pBorderPixmap; + Colormap colormap; + unsigned long mask; /* no pixmaps or cursors */ + unsigned long *values; +} ScreenSaverAttrRec, *ScreenSaverAttrPtr; + +static int ScreenSaverFreeAttr ( + pointer /* value */, + XID /* id */ +); + +static void FreeAttrs ( + ScreenSaverAttrPtr /* pAttr */ +); + +static void FreeScreenAttr ( + ScreenSaverAttrPtr /* pAttr */ +); + +static void +SendScreenSaverNotify ( + ScreenPtr /* pScreen */, + int /* state */, + Bool /* forced */ +); + +typedef struct _ScreenSaverScreenPrivate { + ScreenSaverEventPtr events; + ScreenSaverAttrPtr attr; + Bool hasWindow; + Colormap installedMap; +} ScreenSaverScreenPrivateRec, *ScreenSaverScreenPrivatePtr; + +static ScreenSaverScreenPrivatePtr +MakeScreenPrivate ( + ScreenPtr /* pScreen */ + ); + +static DevPrivateKeyRec ScreenPrivateKeyRec; +#define ScreenPrivateKey (&ScreenPrivateKeyRec) + +#define GetScreenPrivate(s) ((ScreenSaverScreenPrivatePtr) \ + dixLookupPrivate(&(s)->devPrivates, ScreenPrivateKey)) +#define SetScreenPrivate(s,v) \ + dixSetPrivate(&(s)->devPrivates, ScreenPrivateKey, v); +#define SetupScreen(s) ScreenSaverScreenPrivatePtr pPriv = (s ? GetScreenPrivate(s) : NULL) + +#define New(t) (malloc(sizeof (t))) + +static void +CheckScreenPrivate (ScreenPtr pScreen) +{ + SetupScreen (pScreen); + + if (!pPriv) + return; + if (!pPriv->attr && !pPriv->events && + !pPriv->hasWindow && pPriv->installedMap == None) + { + free(pPriv); + SetScreenPrivate (pScreen, NULL); + pScreen->screensaver.ExternalScreenSaver = NULL; + } +} + +static ScreenSaverScreenPrivatePtr +MakeScreenPrivate (ScreenPtr pScreen) +{ + SetupScreen (pScreen); + + if (pPriv) + return pPriv; + pPriv = New (ScreenSaverScreenPrivateRec); + if (!pPriv) + return 0; + pPriv->events = 0; + pPriv->attr = 0; + pPriv->hasWindow = FALSE; + pPriv->installedMap = None; + SetScreenPrivate (pScreen, pPriv); + pScreen->screensaver.ExternalScreenSaver = ScreenSaverHandle; + return pPriv; +} + +static unsigned long +getEventMask (ScreenPtr pScreen, ClientPtr client) +{ + SetupScreen(pScreen); + ScreenSaverEventPtr pEv; + + if (!pPriv) + return 0; + for (pEv = pPriv->events; pEv; pEv = pEv->next) + if (pEv->client == client) + return pEv->mask; + return 0; +} + +static Bool +setEventMask (ScreenPtr pScreen, ClientPtr client, unsigned long mask) +{ + SetupScreen(pScreen); + ScreenSaverEventPtr pEv, *pPrev; + + if (getEventMask (pScreen, client) == mask) + return TRUE; + if (!pPriv) + { + pPriv = MakeScreenPrivate (pScreen); + if (!pPriv) + return FALSE; + } + for (pPrev = &pPriv->events; (pEv = *pPrev) != 0; pPrev = &pEv->next) + if (pEv->client == client) + break; + if (mask == 0) + { + FreeResource (pEv->resource, SaverEventType); + *pPrev = pEv->next; + free(pEv); + CheckScreenPrivate (pScreen); + } + else + { + if (!pEv) + { + pEv = New (ScreenSaverEventRec); + if (!pEv) + { + CheckScreenPrivate (pScreen); + return FALSE; + } + *pPrev = pEv; + pEv->next = NULL; + pEv->client = client; + pEv->screen = pScreen; + pEv->resource = FakeClientID (client->index); + if (!AddResource (pEv->resource, SaverEventType, (pointer) pEv)) + return FALSE; + } + pEv->mask = mask; + } + return TRUE; +} + +static void +FreeAttrs (ScreenSaverAttrPtr pAttr) +{ + PixmapPtr pPixmap; + CursorPtr pCursor; + + if ((pPixmap = pAttr->pBackgroundPixmap) != 0) + (*pPixmap->drawable.pScreen->DestroyPixmap)(pPixmap); + if ((pPixmap = pAttr->pBorderPixmap) != 0) + (*pPixmap->drawable.pScreen->DestroyPixmap)(pPixmap); + if ((pCursor = pAttr->pCursor) != 0) + FreeCursor (pCursor, (Cursor) 0); +} + +static void +FreeScreenAttr (ScreenSaverAttrPtr pAttr) +{ + FreeAttrs (pAttr); + free(pAttr->values); + free(pAttr); +} + +static int +ScreenSaverFreeEvents (pointer value, XID id) +{ + ScreenSaverEventPtr pOld = (ScreenSaverEventPtr)value; + ScreenPtr pScreen = pOld->screen; + SetupScreen (pScreen); + ScreenSaverEventPtr pEv, *pPrev; + + if (!pPriv) + return TRUE; + for (pPrev = &pPriv->events; (pEv = *pPrev) != 0; pPrev = &pEv->next) + if (pEv == pOld) + break; + if (!pEv) + return TRUE; + *pPrev = pEv->next; + free(pEv); + CheckScreenPrivate (pScreen); + return TRUE; +} + +static int +ScreenSaverFreeAttr (pointer value, XID id) +{ + ScreenSaverAttrPtr pOldAttr = (ScreenSaverAttrPtr)value; + ScreenPtr pScreen = pOldAttr->screen; + SetupScreen (pScreen); + + if (!pPriv) + return TRUE; + if (pPriv->attr != pOldAttr) + return TRUE; + FreeScreenAttr (pOldAttr); + pPriv->attr = NULL; + if (pPriv->hasWindow) + { + dixSaveScreens (serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset); + dixSaveScreens (serverClient, SCREEN_SAVER_FORCER, ScreenSaverActive); + } + CheckScreenPrivate (pScreen); + return TRUE; +} + +static int +ScreenSaverFreeSuspend (pointer value, XID id) +{ + ScreenSaverSuspensionPtr data = (ScreenSaverSuspensionPtr) value; + ScreenSaverSuspensionPtr *prev, this; + + /* Unlink and free the suspension record for the client */ + for (prev = &suspendingClients; (this = *prev); prev = &this->next) + { + if (this == data) + { + *prev = this->next; + free(this); + break; + } + } + + /* Reenable the screensaver if this was the last client suspending it. */ + if (screenSaverSuspended && suspendingClients == NULL) + { + screenSaverSuspended = FALSE; + + /* The screensaver could be active, since suspending it (by design) + doesn't prevent it from being forceably activated */ +#ifdef DPMSExtension + if (screenIsSaved != SCREEN_SAVER_ON && DPMSPowerLevel == DPMSModeOn) +#else + if (screenIsSaved != SCREEN_SAVER_ON) +#endif + { + UpdateCurrentTimeIf(); + lastDeviceEventTime = currentTime; + SetScreenSaverTimer(); + } + } + + return Success; +} + +static void +SendScreenSaverNotify (ScreenPtr pScreen, int state, Bool forced) +{ + ScreenSaverScreenPrivatePtr pPriv; + ScreenSaverEventPtr pEv; + unsigned long mask; + xScreenSaverNotifyEvent ev; + int kind; + + UpdateCurrentTimeIf (); + mask = ScreenSaverNotifyMask; + if (state == ScreenSaverCycle) + mask = ScreenSaverCycleMask; + pScreen = screenInfo.screens[pScreen->myNum]; + pPriv = GetScreenPrivate(pScreen); + if (!pPriv) + return; + if (pPriv->attr) + kind = ScreenSaverExternal; + else if (ScreenSaverBlanking != DontPreferBlanking) + kind = ScreenSaverBlanked; + else + kind = ScreenSaverInternal; + for (pEv = pPriv->events; pEv; pEv = pEv->next) + { + if (!(pEv->mask & mask)) + continue; + ev.type = ScreenSaverNotify + ScreenSaverEventBase; + ev.state = state; + ev.timestamp = currentTime.milliseconds; + ev.root = pScreen->root->drawable.id; + ev.window = pScreen->screensaver.wid; + ev.kind = kind; + ev.forced = forced; + WriteEventsToClient (pEv->client, 1, (xEvent *) &ev); + } +} + +static void +SScreenSaverNotifyEvent (xScreenSaverNotifyEvent *from, + xScreenSaverNotifyEvent *to) +{ + to->type = from->type; + to->state = from->state; + cpswaps (from->sequenceNumber, to->sequenceNumber); + cpswapl (from->timestamp, to->timestamp); + cpswapl (from->root, to->root); + cpswapl (from->window, to->window); + to->kind = from->kind; + to->forced = from->forced; +} + +static void +UninstallSaverColormap (ScreenPtr pScreen) +{ + SetupScreen(pScreen); + ColormapPtr pCmap; + int rc; + + if (pPriv && pPriv->installedMap != None) + { + rc = dixLookupResourceByType((pointer *)&pCmap, pPriv->installedMap, + RT_COLORMAP, serverClient, + DixUninstallAccess); + if (rc == Success) + (*pCmap->pScreen->UninstallColormap) (pCmap); + pPriv->installedMap = None; + CheckScreenPrivate (pScreen); + } +} + +static Bool +CreateSaverWindow (ScreenPtr pScreen) +{ + SetupScreen (pScreen); + ScreenSaverStuffPtr pSaver; + ScreenSaverAttrPtr pAttr; + WindowPtr pWin; + int result; + unsigned long mask; + Colormap *installedMaps; + int numInstalled; + int i; + Colormap wantMap; + ColormapPtr pCmap; + + pSaver = &pScreen->screensaver; + if (pSaver->pWindow) + { + pSaver->pWindow = NullWindow; + FreeResource (pSaver->wid, RT_NONE); + if (pPriv) + { + UninstallSaverColormap (pScreen); + pPriv->hasWindow = FALSE; + CheckScreenPrivate (pScreen); + } + } + + if (!pPriv || !(pAttr = pPriv->attr)) + return FALSE; + + pPriv->installedMap = None; + + if (GrabInProgress && GrabInProgress != pAttr->client->index) + return FALSE; + + pWin = CreateWindow (pSaver->wid, pScreen->root, + pAttr->x, pAttr->y, pAttr->width, pAttr->height, + pAttr->borderWidth, pAttr->class, + pAttr->mask, (XID *)pAttr->values, + pAttr->depth, serverClient, pAttr->visual, + &result); + if (!pWin) + return FALSE; + + if (!AddResource(pWin->drawable.id, RT_WINDOW, pWin)) + return FALSE; + + mask = 0; + if (pAttr->pBackgroundPixmap) + { + pWin->backgroundState = BackgroundPixmap; + pWin->background.pixmap = pAttr->pBackgroundPixmap; + pAttr->pBackgroundPixmap->refcnt++; + mask |= CWBackPixmap; + } + if (pAttr->pBorderPixmap) + { + pWin->borderIsPixel = FALSE; + pWin->border.pixmap = pAttr->pBorderPixmap; + pAttr->pBorderPixmap->refcnt++; + mask |= CWBorderPixmap; + } + if (pAttr->pCursor) + { + if (!pWin->optional) + if (!MakeWindowOptional (pWin)) + { + FreeResource (pWin->drawable.id, RT_NONE); + return FALSE; + } + pAttr->pCursor->refcnt++; + if (pWin->optional->cursor) + FreeCursor (pWin->optional->cursor, (Cursor)0); + pWin->optional->cursor = pAttr->pCursor; + pWin->cursorIsNone = FALSE; + CheckWindowOptionalNeed (pWin); + mask |= CWCursor; + } + if (mask) + (*pScreen->ChangeWindowAttributes) (pWin, mask); + + if (pAttr->colormap != None) + (void) ChangeWindowAttributes (pWin, CWColormap, &pAttr->colormap, + serverClient); + + MapWindow (pWin, serverClient); + + pPriv->hasWindow = TRUE; + pSaver->pWindow = pWin; + + /* check and install our own colormap if it isn't installed now */ + wantMap = wColormap (pWin); + if (wantMap == None) + return TRUE; + installedMaps = malloc(pScreen->maxInstalledCmaps * sizeof (Colormap)); + numInstalled = (*pWin->drawable.pScreen->ListInstalledColormaps) + (pScreen, installedMaps); + for (i = 0; i < numInstalled; i++) + if (installedMaps[i] == wantMap) + break; + + free((char *) installedMaps); + + if (i < numInstalled) + return TRUE; + + result = dixLookupResourceByType((pointer *)&pCmap, wantMap, RT_COLORMAP, + serverClient, DixInstallAccess); + if (result != Success) + return TRUE; + + pPriv->installedMap = wantMap; + + (*pCmap->pScreen->InstallColormap) (pCmap); + + return TRUE; +} + +static Bool +DestroySaverWindow (ScreenPtr pScreen) +{ + SetupScreen(pScreen); + ScreenSaverStuffPtr pSaver; + + if (!pPriv || !pPriv->hasWindow) + return FALSE; + + pSaver = &pScreen->screensaver; + if (pSaver->pWindow) + { + pSaver->pWindow = NullWindow; + FreeResource (pSaver->wid, RT_NONE); + } + pPriv->hasWindow = FALSE; + CheckScreenPrivate (pScreen); + UninstallSaverColormap (pScreen); + return TRUE; +} + +static Bool +ScreenSaverHandle (ScreenPtr pScreen, int xstate, Bool force) +{ + int state = 0; + Bool ret = FALSE; + ScreenSaverScreenPrivatePtr pPriv; + + switch (xstate) + { + case SCREEN_SAVER_ON: + state = ScreenSaverOn; + ret = CreateSaverWindow (pScreen); + break; + case SCREEN_SAVER_OFF: + state = ScreenSaverOff; + ret = DestroySaverWindow (pScreen); + break; + case SCREEN_SAVER_CYCLE: + state = ScreenSaverCycle; + pPriv = GetScreenPrivate (pScreen); + if (pPriv && pPriv->hasWindow) + ret = TRUE; + + } +#ifdef PANORAMIX + if(noPanoramiXExtension || !pScreen->myNum) +#endif + SendScreenSaverNotify (pScreen, state, force); + return ret; +} + +static int +ProcScreenSaverQueryVersion (ClientPtr client) +{ + xScreenSaverQueryVersionReply rep; + REQUEST_SIZE_MATCH (xScreenSaverQueryVersionReq); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.majorVersion = SERVER_SAVER_MAJOR_VERSION; + rep.minorVersion = SERVER_SAVER_MINOR_VERSION; + if (client->swapped) { + swaps(&rep.sequenceNumber); + swapl(&rep.length); + } + WriteToClient(client, sizeof (xScreenSaverQueryVersionReply), (char *)&rep); + return Success; +} + +static int +ProcScreenSaverQueryInfo (ClientPtr client) +{ + REQUEST(xScreenSaverQueryInfoReq); + xScreenSaverQueryInfoReply rep; + int rc; + ScreenSaverStuffPtr pSaver; + DrawablePtr pDraw; + CARD32 lastInput; + ScreenSaverScreenPrivatePtr pPriv; + + REQUEST_SIZE_MATCH (xScreenSaverQueryInfoReq); + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, + DixGetAttrAccess); + if (rc != Success) + return rc; + rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, pDraw->pScreen, + DixGetAttrAccess); + if (rc != Success) + return rc; + + pSaver = &pDraw->pScreen->screensaver; + pPriv = GetScreenPrivate (pDraw->pScreen); + + UpdateCurrentTime (); + lastInput = GetTimeInMillis() - lastDeviceEventTime.milliseconds; + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.window = pSaver->wid; + if (screenIsSaved != SCREEN_SAVER_OFF) + { + rep.state = ScreenSaverOn; + if (ScreenSaverTime) + rep.tilOrSince = lastInput - ScreenSaverTime; + else + rep.tilOrSince = 0; + } + else + { + if (ScreenSaverTime) + { + rep.state = ScreenSaverOff; + if (ScreenSaverTime < lastInput) + rep.tilOrSince = 0; + else + rep.tilOrSince = ScreenSaverTime - lastInput; + } + else + { + rep.state = ScreenSaverDisabled; + rep.tilOrSince = 0; + } + } + rep.idle = lastInput; + rep.eventMask = getEventMask (pDraw->pScreen, client); + if (pPriv && pPriv->attr) + rep.kind = ScreenSaverExternal; + else if (ScreenSaverBlanking != DontPreferBlanking) + rep.kind = ScreenSaverBlanked; + else + rep.kind = ScreenSaverInternal; + if (client->swapped) + { + swaps(&rep.sequenceNumber); + swapl(&rep.length); + swapl(&rep.window); + swapl(&rep.tilOrSince); + swapl(&rep.idle); + swapl(&rep.eventMask); + } + WriteToClient(client, sizeof (xScreenSaverQueryInfoReply), (char *)&rep); + return Success; +} + +static int +ProcScreenSaverSelectInput (ClientPtr client) +{ + REQUEST(xScreenSaverSelectInputReq); + DrawablePtr pDraw; + int rc; + + REQUEST_SIZE_MATCH (xScreenSaverSelectInputReq); + rc = dixLookupDrawable (&pDraw, stuff->drawable, client, 0, + DixGetAttrAccess); + if (rc != Success) + return rc; + + rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, pDraw->pScreen, + DixSetAttrAccess); + if (rc != Success) + return rc; + + if (!setEventMask (pDraw->pScreen, client, stuff->eventMask)) + return BadAlloc; + return Success; +} + +static int +ScreenSaverSetAttributes (ClientPtr client) +{ + REQUEST(xScreenSaverSetAttributesReq); + DrawablePtr pDraw; + WindowPtr pParent; + ScreenPtr pScreen; + ScreenSaverScreenPrivatePtr pPriv = 0; + ScreenSaverAttrPtr pAttr = 0; + int ret, len, class, bw, depth; + unsigned long visual; + int idepth, ivisual; + Bool fOK; + DepthPtr pDepth; + WindowOptPtr ancwopt; + unsigned int *pVlist; + unsigned long *values = 0; + unsigned long tmask, imask; + unsigned long val; + Pixmap pixID; + PixmapPtr pPixmap; + Cursor cursorID; + CursorPtr pCursor; + Colormap cmap; + ColormapPtr pCmap; + + REQUEST_AT_LEAST_SIZE (xScreenSaverSetAttributesReq); + ret = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, + DixGetAttrAccess); + if (ret != Success) + return ret; + pScreen = pDraw->pScreen; + pParent = pScreen->root; + + ret = XaceHook(XACE_SCREENSAVER_ACCESS, client, pScreen, DixSetAttrAccess); + if (ret != Success) + return ret; + + len = stuff->length - bytes_to_int32(sizeof(xScreenSaverSetAttributesReq)); + if (Ones(stuff->mask) != len) + return BadLength; + if (!stuff->width || !stuff->height) + { + client->errorValue = 0; + return BadValue; + } + switch (class = stuff->c_class) + { + case CopyFromParent: + case InputOnly: + case InputOutput: + break; + default: + client->errorValue = class; + return BadValue; + } + bw = stuff->borderWidth; + depth = stuff->depth; + visual = stuff->visualID; + + /* copied directly from CreateWindow */ + + if (class == CopyFromParent) + class = pParent->drawable.class; + + if ((class != InputOutput) && (class != InputOnly)) + { + client->errorValue = class; + return BadValue; + } + + if ((class != InputOnly) && (pParent->drawable.class == InputOnly)) + return BadMatch; + + if ((class == InputOnly) && ((bw != 0) || (depth != 0))) + return BadMatch; + + 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) + return BadMatch; + } + + if (((stuff->mask & (CWBorderPixmap | CWBorderPixel)) == 0) && + (class != InputOnly) && + (depth != pParent->drawable.depth)) + { + return BadMatch; + } + + if (((stuff->mask & CWColormap) == 0) && + (class != InputOnly) && + ((visual != ancwopt->visual) || (ancwopt->colormap == None))) + { + return BadMatch; + } + + /* end of errors from CreateWindow */ + + pPriv = GetScreenPrivate (pScreen); + if (pPriv && pPriv->attr) + { + if (pPriv->attr->client != client) + return BadAccess; + } + if (!pPriv) + { + pPriv = MakeScreenPrivate (pScreen); + if (!pPriv) + return FALSE; + } + pAttr = New (ScreenSaverAttrRec); + if (!pAttr) + { + ret = BadAlloc; + goto bail; + } + /* over allocate for override redirect */ + values = malloc((len + 1) * sizeof (unsigned long)); + if (!values) + { + ret = BadAlloc; + goto bail; + } + pAttr->screen = pScreen; + pAttr->client = client; + pAttr->x = stuff->x; + pAttr->y = stuff->y; + pAttr->width = stuff->width; + pAttr->height = stuff->height; + pAttr->borderWidth = stuff->borderWidth; + pAttr->class = stuff->c_class; + pAttr->depth = depth; + pAttr->visual = visual; + pAttr->colormap = None; + pAttr->pCursor = NullCursor; + pAttr->pBackgroundPixmap = NullPixmap; + pAttr->pBorderPixmap = NullPixmap; + pAttr->values = values; + /* + * go through the mask, checking the values, + * looking up pixmaps and cursors and hold a reference + * to them. + */ + pAttr->mask = tmask = stuff->mask | CWOverrideRedirect; + pVlist = (unsigned int *) (stuff + 1); + while (tmask) { + imask = lowbit (tmask); + tmask &= ~imask; + switch (imask) + { + case CWBackPixmap: + pixID = (Pixmap )*pVlist; + if (pixID == None) + { + *values++ = None; + } + else if (pixID == ParentRelative) + { + if (depth != pParent->drawable.depth) + { + ret = BadMatch; + goto PatchUp; + } + *values++ = ParentRelative; + } + else + { + ret = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP, + client, DixReadAccess); + if (ret == Success) + { + if ((pPixmap->drawable.depth != depth) || + (pPixmap->drawable.pScreen != pScreen)) + { + ret = BadMatch; + goto PatchUp; + } + pAttr->pBackgroundPixmap = pPixmap; + pPixmap->refcnt++; + pAttr->mask &= ~CWBackPixmap; + } + else + { + client->errorValue = pixID; + goto PatchUp; + } + } + break; + case CWBackPixel: + *values++ = (CARD32) *pVlist; + break; + case CWBorderPixmap: + pixID = (Pixmap ) *pVlist; + if (pixID == CopyFromParent) + { + if (depth != pParent->drawable.depth) + { + ret = BadMatch; + goto PatchUp; + } + *values++ = CopyFromParent; + } + else + { + ret = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP, + client, DixReadAccess); + if (ret == Success) + { + if ((pPixmap->drawable.depth != depth) || + (pPixmap->drawable.pScreen != pScreen)) + { + ret = BadMatch; + goto PatchUp; + } + pAttr->pBorderPixmap = pPixmap; + pPixmap->refcnt++; + pAttr->mask &= ~CWBorderPixmap; + } + else + { + client->errorValue = pixID; + goto PatchUp; + } + } + break; + case CWBorderPixel: + *values++ = (CARD32) *pVlist; + break; + case CWBitGravity: + val = (CARD8 )*pVlist; + if (val > StaticGravity) + { + ret = BadValue; + client->errorValue = val; + goto PatchUp; + } + *values++ = val; + break; + case CWWinGravity: + val = (CARD8 )*pVlist; + if (val > StaticGravity) + { + ret = BadValue; + client->errorValue = val; + goto PatchUp; + } + *values++ = val; + break; + case CWBackingStore: + val = (CARD8 )*pVlist; + if ((val != NotUseful) && (val != WhenMapped) && (val != Always)) + { + ret = BadValue; + client->errorValue = val; + goto PatchUp; + } + *values++ = val; + break; + case CWBackingPlanes: + *values++ = (CARD32) *pVlist; + break; + case CWBackingPixel: + *values++ = (CARD32) *pVlist; + break; + case CWSaveUnder: + val = (BOOL) *pVlist; + if ((val != xTrue) && (val != xFalse)) + { + ret = BadValue; + client->errorValue = val; + goto PatchUp; + } + *values++ = val; + break; + case CWEventMask: + *values++ = (CARD32) *pVlist; + break; + case CWDontPropagate: + *values++ = (CARD32) *pVlist; + break; + case CWOverrideRedirect: + if (!(stuff->mask & CWOverrideRedirect)) + pVlist--; + else + { + val = (BOOL ) *pVlist; + if ((val != xTrue) && (val != xFalse)) + { + ret = BadValue; + client->errorValue = val; + goto PatchUp; + } + } + *values++ = xTrue; + break; + case CWColormap: + cmap = (Colormap) *pVlist; + ret = dixLookupResourceByType((pointer *)&pCmap, cmap, RT_COLORMAP, + client, DixUseAccess); + if (ret != Success) + { + client->errorValue = cmap; + goto PatchUp; + } + if (pCmap->pVisual->vid != visual || pCmap->pScreen != pScreen) + { + ret = BadMatch; + goto PatchUp; + } + pAttr->colormap = cmap; + pAttr->mask &= ~CWColormap; + break; + case CWCursor: + cursorID = (Cursor ) *pVlist; + if ( cursorID == None) + { + *values++ = None; + } + else + { + ret = dixLookupResourceByType((pointer *)&pCursor, cursorID, + RT_CURSOR, client, DixUseAccess); + if (ret != Success) + { + client->errorValue = cursorID; + goto PatchUp; + } + pCursor->refcnt++; + pAttr->pCursor = pCursor; + pAttr->mask &= ~CWCursor; + } + break; + default: + ret = BadValue; + client->errorValue = stuff->mask; + goto PatchUp; + } + pVlist++; + } + if (pPriv->attr) + FreeScreenAttr (pPriv->attr); + pPriv->attr = pAttr; + pAttr->resource = FakeClientID (client->index); + if (!AddResource (pAttr->resource, AttrType, (pointer) pAttr)) + return BadAlloc; + return Success; +PatchUp: + FreeAttrs (pAttr); +bail: + CheckScreenPrivate (pScreen); + if (pAttr) free(pAttr->values); + free(pAttr); + return ret; +} + +static int +ScreenSaverUnsetAttributes (ClientPtr client) +{ + REQUEST(xScreenSaverSetAttributesReq); + DrawablePtr pDraw; + ScreenSaverScreenPrivatePtr pPriv; + int rc; + + REQUEST_SIZE_MATCH (xScreenSaverUnsetAttributesReq); + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, + DixGetAttrAccess); + if (rc != Success) + return rc; + pPriv = GetScreenPrivate (pDraw->pScreen); + if (pPriv && pPriv->attr && pPriv->attr->client == client) + { + FreeResource (pPriv->attr->resource, AttrType); + FreeScreenAttr (pPriv->attr); + pPriv->attr = NULL; + CheckScreenPrivate (pDraw->pScreen); + } + return Success; +} + +static int +ProcScreenSaverSetAttributes (ClientPtr client) +{ +#ifdef PANORAMIX + if(!noPanoramiXExtension) { + REQUEST(xScreenSaverSetAttributesReq); + PanoramiXRes *draw; + PanoramiXRes *backPix = NULL; + PanoramiXRes *bordPix = NULL; + PanoramiXRes *cmap = NULL; + int i, status, len; + int pback_offset = 0, pbord_offset = 0, cmap_offset = 0; + XID orig_visual, tmp; + + REQUEST_AT_LEAST_SIZE (xScreenSaverSetAttributesReq); + + status = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (status != Success) + return (status == BadValue) ? BadDrawable : status; + + len = stuff->length - bytes_to_int32(sizeof(xScreenSaverSetAttributesReq)); + if (Ones(stuff->mask) != len) + return BadLength; + + if((Mask)stuff->mask & CWBackPixmap) { + pback_offset = Ones((Mask)stuff->mask & (CWBackPixmap - 1)); + tmp = *((CARD32 *) &stuff[1] + pback_offset); + if ((tmp != None) && (tmp != ParentRelative)) { + status = dixLookupResourceByType((pointer *)&backPix, tmp, + XRT_PIXMAP, client, + DixReadAccess); + if (status != Success) + return status; + } + } + + if ((Mask)stuff->mask & CWBorderPixmap) { + pbord_offset = Ones((Mask)stuff->mask & (CWBorderPixmap - 1)); + tmp = *((CARD32 *) &stuff[1] + pbord_offset); + if (tmp != CopyFromParent) { + status = dixLookupResourceByType((pointer *)&bordPix, tmp, + XRT_PIXMAP, client, + DixReadAccess); + if (status != Success) + return status; + } + } + + if ((Mask)stuff->mask & CWColormap) { + cmap_offset = Ones((Mask)stuff->mask & (CWColormap - 1)); + tmp = *((CARD32 *) &stuff[1] + cmap_offset); + if ((tmp != CopyFromParent) && (tmp != None)) { + status = dixLookupResourceByType((pointer *)&cmap, tmp, + XRT_COLORMAP, client, + DixReadAccess); + if (status != Success) + return status; + } + } + + orig_visual = stuff->visualID; + + FOR_NSCREENS_BACKWARD(i) { + stuff->drawable = draw->info[i].id; + if (backPix) + *((CARD32 *) &stuff[1] + pback_offset) = backPix->info[i].id; + if (bordPix) + *((CARD32 *) &stuff[1] + pbord_offset) = bordPix->info[i].id; + if (cmap) + *((CARD32 *) &stuff[1] + cmap_offset) = cmap->info[i].id; + + if (orig_visual != CopyFromParent) + stuff->visualID = PanoramiXTranslateVisualID(i, orig_visual); + + status = ScreenSaverSetAttributes(client); + } + + return status; + } +#endif + + return ScreenSaverSetAttributes(client); +} + +static int +ProcScreenSaverUnsetAttributes (ClientPtr client) +{ +#ifdef PANORAMIX + if(!noPanoramiXExtension) { + REQUEST(xScreenSaverUnsetAttributesReq); + PanoramiXRes *draw; + int rc, i; + + rc = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (rc != Success) + return (rc == BadValue) ? BadDrawable : rc; + + for(i = PanoramiXNumScreens - 1; i > 0; i--) { + stuff->drawable = draw->info[i].id; + ScreenSaverUnsetAttributes(client); + } + + stuff->drawable = draw->info[0].id; + } +#endif + + return ScreenSaverUnsetAttributes(client); +} + +static int +ProcScreenSaverSuspend (ClientPtr client) +{ + ScreenSaverSuspensionPtr *prev, this; + + REQUEST(xScreenSaverSuspendReq); + REQUEST_SIZE_MATCH(xScreenSaverSuspendReq); + + /* Check if this client is suspending the screensaver */ + for (prev = &suspendingClients; (this = *prev); prev = &this->next) + if (this->pClient == client) + break; + + if (this) + { + if (stuff->suspend == TRUE) + this->count++; + else if (--this->count == 0) + FreeResource (this->clientResource, RT_NONE); + + return Success; + } + + /* If we get to this point, this client isn't suspending the screensaver */ + if (stuff->suspend == FALSE) + return Success; + + /* + * Allocate a suspension record for the client, and stop the screensaver + * if it isn't already suspended by another client. We attach a resource ID + * to the record, so the screensaver will be reenabled and the record freed + * if the client disconnects without reenabling it first. + */ + this = malloc(sizeof (ScreenSaverSuspensionRec)); + + if (!this) + return BadAlloc; + + this->next = NULL; + this->pClient = client; + this->count = 1; + this->clientResource = FakeClientID (client->index); + + if (!AddResource (this->clientResource, SuspendType, (pointer) this)) + { + free(this); + return BadAlloc; + } + + *prev = this; + if (!screenSaverSuspended) + { + screenSaverSuspended = TRUE; + FreeScreenSaverTimer(); + } + + return Success; +} + +static int (*NormalVector[]) (ClientPtr /* client */) = { + ProcScreenSaverQueryVersion, + ProcScreenSaverQueryInfo, + ProcScreenSaverSelectInput, + ProcScreenSaverSetAttributes, + ProcScreenSaverUnsetAttributes, + ProcScreenSaverSuspend, +}; + +#define NUM_REQUESTS ((sizeof NormalVector) / (sizeof NormalVector[0])) + +static int +ProcScreenSaverDispatch (ClientPtr client) +{ + REQUEST(xReq); + + if (stuff->data < NUM_REQUESTS) + return (*NormalVector[stuff->data])(client); + return BadRequest; +} + +static int +SProcScreenSaverQueryVersion (ClientPtr client) +{ + REQUEST(xScreenSaverQueryVersionReq); + swaps(&stuff->length); + REQUEST_SIZE_MATCH(xScreenSaverQueryVersionReq); + return ProcScreenSaverQueryVersion (client); +} + +static int +SProcScreenSaverQueryInfo (ClientPtr client) +{ + REQUEST(xScreenSaverQueryInfoReq); + swaps(&stuff->length); + REQUEST_SIZE_MATCH(xScreenSaverQueryInfoReq); + swapl(&stuff->drawable); + return ProcScreenSaverQueryInfo (client); +} + +static int +SProcScreenSaverSelectInput (ClientPtr client) +{ + REQUEST(xScreenSaverSelectInputReq); + swaps(&stuff->length); + REQUEST_SIZE_MATCH(xScreenSaverSelectInputReq); + swapl(&stuff->drawable); + swapl(&stuff->eventMask); + return ProcScreenSaverSelectInput (client); +} + +static int +SProcScreenSaverSetAttributes (ClientPtr client) +{ + REQUEST(xScreenSaverSetAttributesReq); + swaps(&stuff->length); + REQUEST_AT_LEAST_SIZE(xScreenSaverSetAttributesReq); + swapl(&stuff->drawable); + swaps(&stuff->x); + swaps(&stuff->y); + swaps(&stuff->width); + swaps(&stuff->height); + swaps(&stuff->borderWidth); + swapl(&stuff->visualID); + swapl(&stuff->mask); + SwapRestL(stuff); + return ProcScreenSaverSetAttributes (client); +} + +static int +SProcScreenSaverUnsetAttributes (ClientPtr client) +{ + REQUEST(xScreenSaverUnsetAttributesReq); + swaps(&stuff->length); + REQUEST_SIZE_MATCH(xScreenSaverUnsetAttributesReq); + swapl(&stuff->drawable); + return ProcScreenSaverUnsetAttributes (client); +} + +static int +SProcScreenSaverSuspend (ClientPtr client) +{ + REQUEST(xScreenSaverSuspendReq); + + swaps(&stuff->length); + REQUEST_SIZE_MATCH(xScreenSaverSuspendReq); + return ProcScreenSaverSuspend (client); +} + +static int (*SwappedVector[]) (ClientPtr /* client */) = { + SProcScreenSaverQueryVersion, + SProcScreenSaverQueryInfo, + SProcScreenSaverSelectInput, + SProcScreenSaverSetAttributes, + SProcScreenSaverUnsetAttributes, + SProcScreenSaverSuspend, +}; + +static int +SProcScreenSaverDispatch (ClientPtr client) +{ + REQUEST(xReq); + + if (stuff->data < NUM_REQUESTS) + return (*SwappedVector[stuff->data])(client); + return BadRequest; +} + +void +ScreenSaverExtensionInit(INITARGS) +{ + ExtensionEntry *extEntry; + int i; + ScreenPtr pScreen; + + if (!dixRegisterPrivateKey(&ScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) + return; + + AttrType = CreateNewResourceType(ScreenSaverFreeAttr, "SaverAttr"); + SaverEventType = CreateNewResourceType(ScreenSaverFreeEvents, + "SaverEvent"); + SuspendType = CreateNewResourceType(ScreenSaverFreeSuspend, + "SaverSuspend"); + + for (i = 0; i < screenInfo.numScreens; i++) + { + pScreen = screenInfo.screens[i]; + SetScreenPrivate (pScreen, NULL); + } + if (AttrType && SaverEventType && SuspendType && + (extEntry = AddExtension(ScreenSaverName, ScreenSaverNumberEvents, 0, + ProcScreenSaverDispatch, SProcScreenSaverDispatch, + NULL, StandardMinorOpcode))) + { + ScreenSaverEventBase = extEntry->eventBase; + EventSwapVector[ScreenSaverEventBase] = (EventSwapPtr) SScreenSaverNotifyEvent; + } +} |