/************************************************************** * * Shared code for the Darwin X Server * running with Quartz or IOKit display mode * * Copyright (c) 2001-2004 Torrey T. Lyons. All Rights Reserved. * Copyright (c) 2007 Apple Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice 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 ABOVE LISTED COPYRIGHT HOLDER(S) 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(s) of the above copyright * holders shall not be used in advertising or otherwise to promote the sale, * use or other dealings in this Software without prior written authorization. */ #ifdef HAVE_DIX_CONFIG_H #include #endif #include #include #include "os.h" #include "servermd.h" #include "inputstr.h" #include "scrnintstr.h" #include "mibstore.h" // mi backing store implementation #include "mipointer.h" // mi software cursor #include "micmap.h" // mi colormap code #include "fb.h" // fb framebuffer code #include "site.h" #include "globals.h" #include "dix.h" #ifdef XINPUT # include # include # include "exevents.h" # include "extinit.h" #endif #include #include #include #include #include #include #define HAS_UTSNAME 1 #include #define NO_CFPLUGIN #include #include #include #ifdef MITSHM #define _XSHM_SERVER_ #include #endif #include "darwin.h" #include "darwinEvents.h" #include "darwinKeyboard.h" #include "quartz.h" //#include "darwinClut8.h" #ifdef ENABLE_DEBUG_LOG FILE *debug_log_fp = NULL; #endif /* * X server shared global variables */ int darwinScreensFound = 0; DevPrivateKey darwinScreenKey = &darwinScreenKey; io_connect_t darwinParamConnect = 0; int darwinEventReadFD = -1; int darwinEventWriteFD = -1; // int darwinMouseAccelChange = 1; int darwinFakeButtons = 0; // location of X11's (0,0) point in global screen coordinates int darwinMainScreenX = 0; int darwinMainScreenY = 0; // parameters read from the command line or user preferences unsigned int darwinDesiredWidth = 0, darwinDesiredHeight = 0; int darwinDesiredDepth = -1; int darwinDesiredRefresh = -1; char *darwinKeymapFile = "USA.keymapping"; int darwinSyncKeymap = FALSE; // modifier masks for faking mouse buttons int darwinFakeMouse2Mask = NX_ALTERNATEMASK; int darwinFakeMouse3Mask = NX_COMMANDMASK; // devices DeviceIntPtr darwinPointer = NULL; DeviceIntPtr darwinKeyboard = NULL; // Common pixmap formats static PixmapFormatRec formats[] = { { 1, 1, BITMAP_SCANLINE_PAD }, { 4, 8, BITMAP_SCANLINE_PAD }, { 8, 8, BITMAP_SCANLINE_PAD }, { 15, 16, BITMAP_SCANLINE_PAD }, { 16, 16, BITMAP_SCANLINE_PAD }, { 24, 32, BITMAP_SCANLINE_PAD }, { 32, 32, BITMAP_SCANLINE_PAD } }; const int NUMFORMATS = sizeof(formats)/sizeof(formats[0]); #ifndef OSNAME #define OSNAME " Darwin" #endif #ifndef OSVENDOR #define OSVENDOR "" #endif #ifndef PRE_RELEASE #define PRE_RELEASE XORG_VERSION_SNAP #endif #ifndef BUILD_DATE #define BUILD_DATE "" #endif #ifndef XORG_RELEASE #define XORG_RELEASE "?" #endif void DDXRingBell(int volume, int pitch, int duration) { // FIXME -- make some noise, yo } void DarwinPrintBanner(void) { // this should change depending on which specific server we are building ErrorF("Xquartz starting:\n"); ErrorF("X.org Release 7.2\n"); // This is here to help fink until they fix their packages. ErrorF("X.Org X Server %s\nBuild Date: %s\n", XSERVER_VERSION, BUILD_DATE ); } /* * DarwinSaveScreen * X screensaver support. Not implemented. */ static Bool DarwinSaveScreen(ScreenPtr pScreen, int on) { // FIXME if (on == SCREEN_SAVER_FORCER) { } else if (on == SCREEN_SAVER_ON) { } else { } return TRUE; } /* * DarwinAddScreen * This is a callback from dix during AddScreen() from InitOutput(). * Initialize the screen and communicate information about it back to dix. */ static Bool DarwinAddScreen(int index, ScreenPtr pScreen, int argc, char **argv) { int dpi; static int foundIndex = 0; Bool ret; DarwinFramebufferPtr dfb; // reset index of found screens for each server generation if (index == 0) foundIndex = 0; // allocate space for private per screen storage dfb = xalloc(sizeof(DarwinFramebufferRec)); // SCREEN_PRIV(pScreen) = dfb; dixSetPrivate(&pScreen->devPrivates, darwinScreenKey, dfb); // setup hardware/mode specific details ret = QuartzAddScreen(foundIndex, pScreen); foundIndex++; if (! ret) return FALSE; // reset the visual list miClearVisualTypes(); // setup a single visual appropriate for our pixel type if(!miSetVisualTypesAndMasks(dfb->depth, dfb->visuals, dfb->bitsPerRGB, dfb->preferredCVC, dfb->redMask, dfb->greenMask, dfb->blueMask)) { return FALSE; } miSetPixmapDepths(); // machine independent screen init // setup _Screen structure in pScreen if (monitorResolution) dpi = monitorResolution; else dpi = 75; // initialize fb if (! fbScreenInit(pScreen, dfb->framebuffer, // pointer to screen bitmap dfb->width, dfb->height, // screen size in pixels dpi, dpi, // dots per inch dfb->pitch/(dfb->bitsPerPixel/8), // pixel width of framebuffer dfb->bitsPerPixel)) // bits per pixel for screen { return FALSE; } // ErrorF("Screen type: %d, %d=%d, %d=%d, %d=%d, %x=%x=%x, %x=%x=%x, %x=%x=%x\n", pScreen->visuals->class, // pScreen->visuals->offsetRed, dfb->bitsPerRGB * 2, // pScreen->visuals->offsetGreen, dfb->bitsPerRGB, // pScreen->visuals->offsetBlue, 0, // pScreen->visuals->redMask, dfb->redMask, ((1<bitsPerRGB)-1) << pScreen->visuals->offsetRed, // pScreen->visuals->greenMask, dfb->greenMask, ((1<bitsPerRGB)-1) << pScreen->visuals->offsetGreen, // pScreen->visuals->blueMask, dfb->blueMask, ((1<bitsPerRGB)-1) << pScreen->visuals->offsetBlue); // set the RGB order correctly for TrueColor // if (dfb->bitsPerPixel > 8) { // for (i = 0, visual = pScreen->visuals; // someday we may have more than 1 // i < pScreen->numVisuals; i++, visual++) { // if (visual->class == TrueColor) { // visual->offsetRed = bitsPerRGB * 2; // visual->offsetGreen = bitsPerRGB; // visual->offsetBlue = 0; // visual->redMask = ((1<offsetRed; // visual->greenMask = ((1<offsetGreen; // visual->blueMask = ((1<offsetBlue; // } // } // } #ifdef RENDER if (! fbPictureInit(pScreen, 0, 0)) { return FALSE; } #endif #ifdef MITSHM ShmRegisterFbFuncs(pScreen); #endif // this must be initialized (why doesn't X have a default?) pScreen->SaveScreen = DarwinSaveScreen; // finish mode dependent screen setup including cursor support if (!QuartzSetupScreen(index, pScreen)) { return FALSE; } // create and install the default colormap and // set pScreen->blackPixel / pScreen->white if (!miCreateDefColormap( pScreen )) { return FALSE; } /* Set the colormap to the statically defined one if we're in 8 bit * mode and we're using a fixed color map. Essentially this translates * to Darwin/x86 in 8-bit mode. */ // if(dfb->depth == 8) { // ColormapPtr map = RootlessGetColormap (pScreen); // for( i = 0; i < map->pVisual->ColormapEntries; i++ ) { // Entry *ent = map->red + i; // ErrorF("Setting lo %d -> r: %04x g: %04x b: %04x\n", i, darwinClut8[i].red, darwinClut8[i].green, darwinClut8[i].blue); // ent->co.local.red = darwinClut8[i].red; // ent->co.local.green = darwinClut8[i].green; // ent->co.local.blue = darwinClut8[i].blue; // } // } dixScreenOrigins[index].x = dfb->x; dixScreenOrigins[index].y = dfb->y; /* ErrorF("Screen %d added: %dx%d @ (%d,%d)\n", index, dfb->width, dfb->height, dfb->x, dfb->y); */ return TRUE; } /* ============================================================================= mouse and keyboard callbacks ============================================================================= */ #if 0 /* * DarwinChangePointerControl * Set mouse acceleration and thresholding * FIXME: We currently ignore the threshold in ctrl->threshold. */ static void DarwinChangePointerControl( DeviceIntPtr device, PtrCtrl *ctrl ) { kern_return_t kr; double acceleration; if (!darwinMouseAccelChange) return; acceleration = ctrl->num / ctrl->den; kr = IOHIDSetMouseAcceleration( darwinParamConnect, acceleration ); if (kr != KERN_SUCCESS) ErrorF( "Could not set mouse acceleration with kernel return = 0x%x.\n", kr ); } #endif /* * DarwinMouseProc * Handle the initialization, etc. of a mouse */ static int DarwinMouseProc( DeviceIntPtr pPointer, int what ) { CARD8 map[6]; switch (what) { case DEVICE_INIT: pPointer->public.on = FALSE; // Set button map. map[1] = 1; map[2] = 2; map[3] = 3; map[4] = 4; map[5] = 5; InitPointerDeviceStruct( (DevicePtr)pPointer, map, 5, GetMotionHistory, (PtrCtrlProcPtr)NoopDDA, GetMotionHistorySize(), 5); InitProximityClassDeviceStruct( (DevicePtr)pPointer); break; case DEVICE_ON: pPointer->public.on = TRUE; AddEnabledDevice( darwinEventReadFD ); return Success; case DEVICE_CLOSE: case DEVICE_OFF: pPointer->public.on = FALSE; RemoveEnabledDevice( darwinEventReadFD ); return Success; } return Success; } /* * DarwinKeybdProc * Callback from X */ static int DarwinKeybdProc( DeviceIntPtr pDev, int onoff ) { switch ( onoff ) { case DEVICE_INIT: DarwinKeyboardInit( pDev ); break; case DEVICE_ON: pDev->public.on = TRUE; AddEnabledDevice( darwinEventReadFD ); break; case DEVICE_OFF: pDev->public.on = FALSE; RemoveEnabledDevice( darwinEventReadFD ); break; case DEVICE_CLOSE: break; } return Success; } /* =========================================================================== Utility routines =========================================================================== */ /* * DarwinFindLibraryFile * Search for a file in the standard Library paths, which are (in order): * * ~/Library/ user specific * /Library/ host specific * /Network/Library/ LAN specific * /System/Library/ OS specific * * A sub-path can be specified to search in below the various Library * directories. Returns a new character string (owned by the caller) * containing the full path to the first file found. */ static char * DarwinFindLibraryFile( const char *file, const char *pathext ) { // Library search paths char *pathList[] = { "", "/Network", "/System", NULL }; char *home; char *fullPath; int i = 0; // Return the file name as is if it is already a fully qualified path. if (!access(file, F_OK)) { fullPath = xalloc(strlen(file)+1); strcpy(fullPath, file); return fullPath; } fullPath = xalloc(PATH_MAX); home = getenv("HOME"); if (home) { snprintf(fullPath, PATH_MAX, "%s/Library/%s/%s", home, pathext, file); if (!access(fullPath, F_OK)) return fullPath; } while (pathList[i]) { snprintf(fullPath, PATH_MAX, "%s/Library/%s/%s", pathList[i++], pathext, file); if (!access(fullPath, F_OK)) return fullPath; } xfree(fullPath); return NULL; } /* * DarwinParseModifierList * Parse a list of modifier names and return a corresponding modifier mask */ int DarwinParseModifierList( const char *constmodifiers) // string containing list of modifier names { int result = 0; if (constmodifiers) { char *modifiers = strdup(constmodifiers); char *modifier; int nxkey; char *p = modifiers; while (p) { modifier = strsep(&p, " ,+&|/"); // allow lots of separators nxkey = DarwinModifierStringToNXKey(modifier); if (nxkey != -1) result |= DarwinModifierNXKeyToNXMask(nxkey); else ErrorF("fakebuttons: Unknown modifier \"%s\"\n", modifier); } free(modifiers); } return result; } /* =========================================================================== Functions needed to link against device independent X =========================================================================== */ /* * InitInput * Register the keyboard and mouse devices */ void InitInput( int argc, char **argv ) { darwinPointer = AddInputDevice(DarwinMouseProc, TRUE); RegisterPointerDevice( darwinPointer ); darwinKeyboard = AddInputDevice(DarwinKeybdProc, TRUE); RegisterKeyboardDevice( darwinKeyboard ); DarwinEQInit( (DevicePtr)darwinKeyboard, (DevicePtr)darwinPointer ); QuartzInitInput(argc, argv); } /* * DarwinAdjustScreenOrigins * Shift all screens so the X11 (0, 0) coordinate is at the top * left of the global screen coordinates. * * Screens can be arranged so the top left isn't on any screen, so * instead use the top left of the leftmost screen as (0,0). This * may mean some screen space is in -y, but it's better that (0,0) * be onscreen, or else default xterms disappear. It's better that * -y be used than -x, because when popup menus are forced * "onscreen" by dumb window managers like twm, they'll shift the * menus down instead of left, which still looks funny but is an * easier target to hit. */ void DarwinAdjustScreenOrigins(ScreenInfo *pScreenInfo) { int i, left, top; left = dixScreenOrigins[0].x; top = dixScreenOrigins[0].y; /* Find leftmost screen. If there's a tie, take the topmost of the two. */ for (i = 1; i < pScreenInfo->numScreens; i++) { if (dixScreenOrigins[i].x < left || (dixScreenOrigins[i].x == left && dixScreenOrigins[i].y < top)) { left = dixScreenOrigins[i].x; top = dixScreenOrigins[i].y; } } darwinMainScreenX = left; darwinMainScreenY = top; /* Shift all screens so that there is a screen whose top left is at X11 (0,0) and at global screen coordinate (darwinMainScreenX, darwinMainScreenY). */ if (darwinMainScreenX != 0 || darwinMainScreenY != 0) { for (i = 0; i < pScreenInfo->numScreens; i++) { dixScreenOrigins[i].x -= darwinMainScreenX; dixScreenOrigins[i].y -= darwinMainScreenY; /* ErrorF("Screen %d placed at X11 coordinate (%d,%d).\n", i, dixScreenOrigins[i].x, dixScreenOrigins[i].y); */ } } } /* * InitOutput * Initialize screenInfo for all actually accessible framebuffers. * * The display mode dependent code gets called three times. The mode * specific InitOutput routines are expected to discover the number * of potentially useful screens and cache routes to them internally. * Inside DarwinAddScreen are two other mode specific calls. * A mode specific AddScreen routine is called for each screen to * actually initialize the screen with the ScreenPtr structure. * After other screen setup has been done, a mode specific * SetupScreen function can be called to finalize screen setup. */ void InitOutput( ScreenInfo *pScreenInfo, int argc, char **argv ) { int i; pScreenInfo->imageByteOrder = IMAGE_BYTE_ORDER; pScreenInfo->bitmapScanlineUnit = BITMAP_SCANLINE_UNIT; pScreenInfo->bitmapScanlinePad = BITMAP_SCANLINE_PAD; pScreenInfo->bitmapBitOrder = BITMAP_BIT_ORDER; // List how we want common pixmap formats to be padded pScreenInfo->numPixmapFormats = NUMFORMATS; for (i = 0; i < NUMFORMATS; i++) pScreenInfo->formats[i] = formats[i]; // Discover screens and do mode specific initialization QuartzInitOutput(argc, argv); // Add screens for (i = 0; i < darwinScreensFound; i++) { AddScreen( DarwinAddScreen, argc, argv ); } DarwinAdjustScreenOrigins(pScreenInfo); } /* * OsVendorFataError */ void OsVendorFatalError( void ) { ErrorF( " OsVendorFatalError\n" ); } /* * OsVendorInit * Initialization of Darwin OS support. */ void OsVendorInit(void) { if (serverGeneration == 1) { DarwinPrintBanner(); #ifdef ENABLE_DEBUG_LOG { char *home_dir=NULL, *log_file_path=NULL; home_dir = getenv("HOME"); if (home_dir) asprintf(&log_file_path, "%s/%s", home_dir, DEBUG_LOG_NAME); if (log_file_path) { if (!access(log_file_path, F_OK)) { debug_log_fp = fopen(log_file_path, "a"); if (debug_log_fp) ErrorF("Debug logging enabled to %s\n", log_file_path); } free(log_file_path); } } #endif } // DEBUG_LOG("Xquartz started at %s\n", ctime(time(NULL))); // Find the full path to the keymapping file. if ( darwinKeymapFile ) { char *tempStr = DarwinFindLibraryFile(darwinKeymapFile, "Keyboards"); if ( !tempStr ) { ErrorF("Could not find keymapping file %s.\n", darwinKeymapFile); } else { ErrorF("Using keymapping provided in %s.\n", tempStr); } darwinKeymapFile = tempStr; } } /* * ddxInitGlobals * Called by InitGlobals() from os/util.c. */ void ddxInitGlobals(void) { } /* * ddxProcessArgument * Process device-dependent command line args. Returns 0 if argument is * not device dependent, otherwise Count of number of elements of argv * that are part of a device dependent commandline option. */ int ddxProcessArgument( int argc, char *argv[], int i ) { // if ( !strcmp( argv[i], "-fullscreen" ) ) { // ErrorF( "Running full screen in parallel with Mac OS X Quartz window server.\n" ); // return 1; // } // if ( !strcmp( argv[i], "-rootless" ) ) { // ErrorF( "Running rootless inside Mac OS X window server.\n" ); // return 1; // } // This command line arg is passed when launched from the Aqua GUI. if ( !strncmp( argv[i], "-psn_", 5 ) ) { return 1; } if ( !strcmp( argv[i], "-fakebuttons" ) ) { darwinFakeButtons = TRUE; ErrorF( "Faking a three button mouse\n" ); return 1; } if ( !strcmp( argv[i], "-nofakebuttons" ) ) { darwinFakeButtons = FALSE; ErrorF( "Not faking a three button mouse\n" ); return 1; } if (!strcmp( argv[i], "-fakemouse2" ) ) { if ( i == argc-1 ) { FatalError( "-fakemouse2 must be followed by a modifer list\n" ); } if (!strcasecmp(argv[i+1], "none") || !strcmp(argv[i+1], "")) darwinFakeMouse2Mask = 0; else darwinFakeMouse2Mask = DarwinParseModifierList(argv[i+1]); ErrorF("Modifier mask to fake mouse button 2 = 0x%x\n", darwinFakeMouse2Mask); return 2; } if (!strcmp( argv[i], "-fakemouse3" ) ) { if ( i == argc-1 ) { FatalError( "-fakemouse3 must be followed by a modifer list\n" ); } if (!strcasecmp(argv[i+1], "none") || !strcmp(argv[i+1], "")) darwinFakeMouse3Mask = 0; else darwinFakeMouse3Mask = DarwinParseModifierList(argv[i+1]); ErrorF("Modifier mask to fake mouse button 3 = 0x%x\n", darwinFakeMouse3Mask); return 2; } if ( !strcmp( argv[i], "-keymap" ) ) { if ( i == argc-1 ) { FatalError( "-keymap must be followed by a filename\n" ); } darwinKeymapFile = argv[i+1]; return 2; } if ( !strcmp( argv[i], "-nokeymap" ) ) { darwinKeymapFile = NULL; return 1; } if ( !strcmp( argv[i], "+synckeymap" ) ) { darwinSyncKeymap = TRUE; return 1; } if ( !strcmp( argv[i], "-synckeymap" ) ) { darwinSyncKeymap = FALSE; return 1; } if ( !strcmp( argv[i], "-size" ) ) { if ( i >= argc-2 ) { FatalError( "-size must be followed by two numbers\n" ); } #ifdef OLD_POWERBOOK_G3 ErrorF( "Ignoring unsupported -size option on old PowerBook G3\n" ); #else darwinDesiredWidth = atoi( argv[i+1] ); darwinDesiredHeight = atoi( argv[i+2] ); ErrorF( "Attempting to use width x height = %i x %i\n", darwinDesiredWidth, darwinDesiredHeight ); #endif return 3; } if ( !strcmp( argv[i], "-depth" ) ) { if ( i == argc-1 ) { FatalError( "-depth must be followed by a number\n" ); } #ifdef OLD_POWERBOOK_G3 ErrorF( "Ignoring unsupported -depth option on old PowerBook G3\n"); #else darwinDesiredDepth = atoi( argv[i+1] ); if(darwinDesiredDepth != -1 && darwinDesiredDepth != 8 && darwinDesiredDepth != 15 && darwinDesiredDepth != 24) { FatalError( "Unsupported pixel depth. Use 8, 15, or 24 bits\n" ); } ErrorF( "Attempting to use pixel depth of %i\n", darwinDesiredDepth ); #endif return 2; } if ( !strcmp( argv[i], "-refresh" ) ) { if ( i == argc-1 ) { FatalError( "-refresh must be followed by a number\n" ); } #ifdef OLD_POWERBOOK_G3 ErrorF( "Ignoring unsupported -refresh option on old PowerBook G3\n"); #else darwinDesiredRefresh = atoi( argv[i+1] ); ErrorF( "Attempting to use refresh rate of %i\n", darwinDesiredRefresh ); #endif return 2; } if (!strcmp( argv[i], "-showconfig" ) || !strcmp( argv[i], "-version" )) { DarwinPrintBanner(); exit(0); } return 0; } /* * ddxUseMsg -- * Print out correct use of device dependent commandline options. * Maybe the user now knows what really to do ... */ void ddxUseMsg( void ) { ErrorF("\n"); ErrorF("\n"); ErrorF("Device Dependent Usage:\n"); ErrorF("\n"); ErrorF("-fakebuttons : fake a three button mouse with Command and Option keys.\n"); ErrorF("-nofakebuttons : don't fake a three button mouse.\n"); ErrorF("-fakemouse2 : fake middle mouse button with modifier keys.\n"); ErrorF("-fakemouse3 : fake right mouse button with modifier keys.\n"); ErrorF(" ex: -fakemouse2 \"option,shift\" = option-shift-click is middle button.\n"); ErrorF("-keymap : read the keymapping from a file instead of the kernel.\n"); ErrorF("-version : show the server version.\n"); ErrorF("\n"); // ErrorF("Quartz modes (Experimental / In Development):\n"); // ErrorF("-fullscreen : run full screen in parallel with Mac OS X window server.\n"); // ErrorF("-rootless : run rootless inside Mac OS X window server.\n"); ErrorF("\n"); ErrorF("Options ignored in rootless mode:\n"); ErrorF("-size : use a screen resolution of x .\n"); ErrorF("-depth <8,15,24> : use this bit depth.\n"); ErrorF("-refresh : use a monitor refresh rate of Hz.\n"); ErrorF("\n"); } /* * ddxGiveUp -- * Device dependent cleanup. Called by dix before normal server death. */ void ddxGiveUp( void ) { ErrorF( "Quitting Xquartz...\n" ); //if (!quartzRootless) // quartzProcs->ReleaseScreens(); } /* * AbortDDX -- * DDX - specific abort routine. Called by AbortServer(). The attempt is * made to restore all original setting of the displays. Also all devices * are closed. */ void AbortDDX( void ) { ErrorF( " AbortDDX\n" ); /* * This is needed for a abnormal server exit, since the normal exit stuff * MUST also be performed (i.e. the vt must be left in a defined state) */ ddxGiveUp(); } #include "mivalidate.h" // for union _Validate used by windowstr.h #include "windowstr.h" // for struct _Window #include "scrnintstr.h" // for struct _Screen // This is copied from Xserver/hw/xfree86/common/xf86Helper.c. // Quartz mode uses this when switching in and out of Quartz. // Quartz or IOKit can use this when waking from sleep. // Copyright (c) 1997-1998 by The XFree86 Project, Inc. /* * xf86SetRootClip -- * Enable or disable rendering to the screen by * setting the root clip list and revalidating * all of the windows */ void xf86SetRootClip (ScreenPtr pScreen, int enable) { WindowPtr pWin = WindowTable[pScreen->myNum]; WindowPtr pChild; Bool WasViewable = (Bool)(pWin->viewable); Bool anyMarked = TRUE; RegionPtr pOldClip = NULL, bsExposed; #ifdef DO_SAVE_UNDERS Bool dosave = FALSE; #endif WindowPtr pLayerWin; BoxRec box; if (WasViewable) { for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib) { (void) (*pScreen->MarkOverlappedWindows)(pChild, pChild, &pLayerWin); } (*pScreen->MarkWindow) (pWin); anyMarked = TRUE; if (pWin->valdata) { if (HasBorder (pWin)) { RegionPtr borderVisible; borderVisible = REGION_CREATE(pScreen, NullBox, 1); REGION_SUBTRACT(pScreen, borderVisible, &pWin->borderClip, &pWin->winSize); pWin->valdata->before.borderVisible = borderVisible; } pWin->valdata->before.resized = TRUE; } } /* * Use REGION_BREAK to avoid optimizations in ValidateTree * that assume the root borderClip can't change well, normally * it doesn't...) */ if (enable) { box.x1 = 0; box.y1 = 0; box.x2 = pScreen->width; box.y2 = pScreen->height; REGION_RESET(pScreen, &pWin->borderClip, &box); REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList); } else { REGION_EMPTY(pScreen, &pWin->borderClip); REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList); } ResizeChildrenWinSize (pWin, 0, 0, 0, 0); if (WasViewable) { if (pWin->backStorage) { pOldClip = REGION_CREATE(pScreen, NullBox, 1); REGION_COPY(pScreen, pOldClip, &pWin->clipList); } if (pWin->firstChild) { anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin->firstChild, pWin->firstChild, (WindowPtr *)NULL); } else { (*pScreen->MarkWindow) (pWin); anyMarked = TRUE; } #ifdef DO_SAVE_UNDERS if (DO_SAVE_UNDERS(pWin)) { dosave = (*pScreen->ChangeSaveUnder)(pLayerWin, pLayerWin); } #endif /* DO_SAVE_UNDERS */ if (anyMarked) (*pScreen->ValidateTree)(pWin, NullWindow, VTOther); } if (pWin->backStorage && ((pWin->backingStore == Always) || WasViewable)) { if (!WasViewable) pOldClip = &pWin->clipList; /* a convenient empty region */ bsExposed = (*pScreen->TranslateBackingStore) (pWin, 0, 0, pOldClip, pWin->drawable.x, pWin->drawable.y); if (WasViewable) REGION_DESTROY(pScreen, pOldClip); if (bsExposed) { RegionPtr valExposed = NullRegion; if (pWin->valdata) valExposed = &pWin->valdata->after.exposed; (*pScreen->WindowExposures) (pWin, valExposed, bsExposed); if (valExposed) REGION_EMPTY(pScreen, valExposed); REGION_DESTROY(pScreen, bsExposed); } } if (WasViewable) { if (anyMarked) (*pScreen->HandleExposures)(pWin); #ifdef DO_SAVE_UNDERS if (dosave) (*pScreen->PostChangeSaveUnder)(pLayerWin, pLayerWin); #endif /* DO_SAVE_UNDERS */ if (anyMarked && pScreen->PostValidateTree) (*pScreen->PostValidateTree)(pWin, NullWindow, VTOther); } if (pWin->realized) WindowsRestructured (); FlushAllOutput (); }