diff options
Diffstat (limited to 'xorg-server/Xext/saver.c')
-rw-r--r-- | xorg-server/Xext/saver.c | 3080 |
1 files changed, 1543 insertions, 1537 deletions
diff --git a/xorg-server/Xext/saver.c b/xorg-server/Xext/saver.c index 04e6497bd..90d18ead5 100644 --- a/xorg-server/Xext/saver.c +++ b/xorg-server/Xext/saver.c @@ -1,1537 +1,1543 @@ -/* - * -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> -#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 DISPATCH_PROC(ProcScreenSaverQueryInfo); -static DISPATCH_PROC(ProcScreenSaverDispatch); -static DISPATCH_PROC(ProcScreenSaverQueryVersion); -static DISPATCH_PROC(ProcScreenSaverSelectInput); -static DISPATCH_PROC(ProcScreenSaverSetAttributes); -static DISPATCH_PROC(ProcScreenSaverUnsetAttributes); -static DISPATCH_PROC(ProcScreenSaverSuspend); -static DISPATCH_PROC(SProcScreenSaverDispatch); -static DISPATCH_PROC(SProcScreenSaverQueryInfo); -static DISPATCH_PROC(SProcScreenSaverQueryVersion); -static DISPATCH_PROC(SProcScreenSaverSelectInput); -static DISPATCH_PROC(SProcScreenSaverSetAttributes); -static DISPATCH_PROC(SProcScreenSaverUnsetAttributes); -static DISPATCH_PROC(SProcScreenSaverSuspend); - -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 int ScreenPrivateKeyIndex; -static DevPrivateKey ScreenPrivateKey = &ScreenPrivateKeyIndex; - -#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) (xalloc (sizeof (t))) - -/**************** - * ScreenSaverExtensionInit - * - * Called from InitExtensions in main() or from QueryExtension() if the - * extension is dynamically loaded. - * - ****************/ - -void -ScreenSaverExtensionInit(INITARGS) -{ - ExtensionEntry *extEntry; - int i; - ScreenPtr pScreen; - - AttrType = CreateNewResourceType(ScreenSaverFreeAttr); - SaverEventType = CreateNewResourceType(ScreenSaverFreeEvents); - SuspendType = CreateNewResourceType(ScreenSaverFreeSuspend); - - 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; - } -} - -static void -CheckScreenPrivate (ScreenPtr pScreen) -{ - SetupScreen (pScreen); - - if (!pPriv) - return; - if (!pPriv->attr && !pPriv->events && - !pPriv->hasWindow && pPriv->installedMap == None) - { - xfree (pPriv); - SetScreenPrivate (pScreen, NULL); - savedScreenInfo[pScreen->myNum].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); - savedScreenInfo[pScreen->myNum].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; - xfree (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); - xfree (pAttr->values); - xfree (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; - xfree (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; - xfree (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; - ClientPtr client; - 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) - { - client = pEv->client; - if (client->clientGone) - continue; - if (!(pEv->mask & mask)) - continue; - ev.type = ScreenSaverNotify + ScreenSaverEventBase; - ev.state = state; - ev.sequenceNumber = client->sequence; - ev.timestamp = currentTime.milliseconds; - ev.root = WindowTable[pScreen->myNum]->drawable.id; - ev.window = savedScreenInfo[pScreen->myNum].wid; - ev.kind = kind; - ev.forced = forced; - WriteEventsToClient (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 = &savedScreenInfo[pScreen->myNum]; - 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, WindowTable[pScreen->myNum], - 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; - } - if (pWin->optional->cursor) - FreeCursor (pWin->optional->cursor, (Cursor)0); - pWin->optional->cursor = pAttr->pCursor; - pAttr->pCursor->refcnt++; - 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 = xalloc (pScreen->maxInstalledCmaps * sizeof (Colormap)); - numInstalled = (*pWin->drawable.pScreen->ListInstalledColormaps) - (pScreen, installedMaps); - for (i = 0; i < numInstalled; i++) - if (installedMaps[i] == wantMap) - break; - - xfree ((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 = &savedScreenInfo[pScreen->myNum]; - 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 (client->noClientException); -} - -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 = &savedScreenInfo[pDraw->pScreen->myNum]; - 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 (client->noClientException); -} - -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 = WindowTable[pScreen->myNum]; - - 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 = xalloc ((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 - { - ret = (ret == BadValue) ? BadPixmap : ret; - 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 - { - ret = (ret == BadValue) ? BadPixmap : ret; - 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) - { - ret = (ret == BadValue) ? BadColor : ret; - 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) - { - ret = (ret == BadValue) ? BadCursor : ret; - 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) xfree (pAttr->values); - xfree (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 == BadValue) ? BadPixmap : 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 == BadValue) ? BadPixmap : 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 == BadValue) ? BadColor : 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 = xalloc (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)) - { - xfree (this); - return BadAlloc; - } - - *prev = this; - if (!screenSaverSuspended) - { - screenSaverSuspended = TRUE; - FreeScreenSaverTimer(); - } - - return (client->noClientException); -} - -static DISPATCH_PROC((*NormalVector[])) = { - 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 DISPATCH_PROC((*SwappedVector[])) = { - 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; -} +/*
+ *
+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 DISPATCH_PROC(ProcScreenSaverQueryInfo);
+static DISPATCH_PROC(ProcScreenSaverDispatch);
+static DISPATCH_PROC(ProcScreenSaverQueryVersion);
+static DISPATCH_PROC(ProcScreenSaverSelectInput);
+static DISPATCH_PROC(ProcScreenSaverSetAttributes);
+static DISPATCH_PROC(ProcScreenSaverUnsetAttributes);
+static DISPATCH_PROC(ProcScreenSaverSuspend);
+static DISPATCH_PROC(SProcScreenSaverDispatch);
+static DISPATCH_PROC(SProcScreenSaverQueryInfo);
+static DISPATCH_PROC(SProcScreenSaverQueryVersion);
+static DISPATCH_PROC(SProcScreenSaverSelectInput);
+static DISPATCH_PROC(SProcScreenSaverSetAttributes);
+static DISPATCH_PROC(SProcScreenSaverUnsetAttributes);
+static DISPATCH_PROC(SProcScreenSaverSuspend);
+
+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 int ScreenPrivateKeyIndex;
+static DevPrivateKey ScreenPrivateKey = &ScreenPrivateKeyIndex;
+
+#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) (xalloc (sizeof (t)))
+
+/****************
+ * ScreenSaverExtensionInit
+ *
+ * Called from InitExtensions in main() or from QueryExtension() if the
+ * extension is dynamically loaded.
+ *
+ ****************/
+
+void
+ScreenSaverExtensionInit(INITARGS)
+{
+ ExtensionEntry *extEntry;
+ int i;
+ ScreenPtr pScreen;
+
+ AttrType = CreateNewResourceType(ScreenSaverFreeAttr);
+ SaverEventType = CreateNewResourceType(ScreenSaverFreeEvents);
+ SuspendType = CreateNewResourceType(ScreenSaverFreeSuspend);
+
+ 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;
+ }
+}
+
+static void
+CheckScreenPrivate (ScreenPtr pScreen)
+{
+ SetupScreen (pScreen);
+
+ if (!pPriv)
+ return;
+ if (!pPriv->attr && !pPriv->events &&
+ !pPriv->hasWindow && pPriv->installedMap == None)
+ {
+ xfree (pPriv);
+ SetScreenPrivate (pScreen, NULL);
+ savedScreenInfo[pScreen->myNum].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);
+ savedScreenInfo[pScreen->myNum].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;
+ xfree (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);
+ xfree (pAttr->values);
+ xfree (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;
+ xfree (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;
+ xfree (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;
+ ClientPtr client;
+ 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)
+ {
+ client = pEv->client;
+ if (client->clientGone)
+ continue;
+ if (!(pEv->mask & mask))
+ continue;
+ ev.type = ScreenSaverNotify + ScreenSaverEventBase;
+ ev.state = state;
+ ev.sequenceNumber = client->sequence;
+ ev.timestamp = currentTime.milliseconds;
+ ev.root = WindowTable[pScreen->myNum]->drawable.id;
+ ev.window = savedScreenInfo[pScreen->myNum].wid;
+ ev.kind = kind;
+ ev.forced = forced;
+ WriteEventsToClient (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 = &savedScreenInfo[pScreen->myNum];
+ 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, WindowTable[pScreen->myNum],
+ 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;
+ }
+ if (pWin->optional->cursor)
+ FreeCursor (pWin->optional->cursor, (Cursor)0);
+ pWin->optional->cursor = pAttr->pCursor;
+ pAttr->pCursor->refcnt++;
+ 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 = xalloc (pScreen->maxInstalledCmaps * sizeof (Colormap));
+ numInstalled = (*pWin->drawable.pScreen->ListInstalledColormaps)
+ (pScreen, installedMaps);
+ for (i = 0; i < numInstalled; i++)
+ if (installedMaps[i] == wantMap)
+ break;
+
+ xfree ((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 = &savedScreenInfo[pScreen->myNum];
+ 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 (client->noClientException);
+}
+
+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 = &savedScreenInfo[pDraw->pScreen->myNum];
+ 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 (client->noClientException);
+}
+
+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 = WindowTable[pScreen->myNum];
+
+ 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 = xalloc ((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
+ {
+ ret = (ret == BadValue) ? BadPixmap : ret;
+ 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
+ {
+ ret = (ret == BadValue) ? BadPixmap : ret;
+ 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)
+ {
+ ret = (ret == BadValue) ? BadColor : ret;
+ 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)
+ {
+ ret = (ret == BadValue) ? BadCursor : ret;
+ 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) xfree (pAttr->values);
+ xfree (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 == BadValue) ? BadPixmap : 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 == BadValue) ? BadPixmap : 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 == BadValue) ? BadColor : 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 = xalloc (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))
+ {
+ xfree (this);
+ return BadAlloc;
+ }
+
+ *prev = this;
+ if (!screenSaverSuspended)
+ {
+ screenSaverSuspended = TRUE;
+ FreeScreenSaverTimer();
+ }
+
+ return (client->noClientException);
+}
+
+static DISPATCH_PROC((*NormalVector[])) = {
+ 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 DISPATCH_PROC((*SwappedVector[])) = {
+ 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;
+}
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