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-rw-r--r--xorg-server/miext/rootless/rootlessScreen.c1510
-rw-r--r--xorg-server/miext/rootless/rootlessWindow.c3312
2 files changed, 2411 insertions, 2411 deletions
diff --git a/xorg-server/miext/rootless/rootlessScreen.c b/xorg-server/miext/rootless/rootlessScreen.c
index 5f249467b..6f9341d85 100644
--- a/xorg-server/miext/rootless/rootlessScreen.c
+++ b/xorg-server/miext/rootless/rootlessScreen.c
@@ -1,755 +1,755 @@
-/*
- * Screen routines for generic rootless X server
- */
-/*
- * Copyright (c) 2001 Greg Parker. All Rights Reserved.
- * Copyright (c) 2002-2003 Torrey T. Lyons. All Rights Reserved.
- * Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice 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 <dix-config.h>
-#endif
-
-#include "mi.h"
-#include "scrnintstr.h"
-#include "gcstruct.h"
-#include "pixmapstr.h"
-#include "windowstr.h"
-#include "propertyst.h"
-#include "mivalidate.h"
-#include "picturestr.h"
-#include "colormapst.h"
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <string.h>
-
-#include "rootlessCommon.h"
-#include "rootlessWindow.h"
-
-/* In milliseconds */
-#ifndef ROOTLESS_REDISPLAY_DELAY
-#define ROOTLESS_REDISPLAY_DELAY 10
-#endif
-
-extern int RootlessMiValidateTree(WindowPtr pRoot, WindowPtr pChild,
- VTKind kind);
-extern Bool RootlessCreateGC(GCPtr pGC);
-
-// Initialize globals
-static int rootlessGCPrivateKeyIndex;
-DevPrivateKey rootlessGCPrivateKey = &rootlessGCPrivateKeyIndex;
-static int rootlessScreenPrivateKeyIndex;
-DevPrivateKey rootlessScreenPrivateKey = &rootlessScreenPrivateKeyIndex;
-static int rootlessWindowPrivateKeyIndex;
-DevPrivateKey rootlessWindowPrivateKey = &rootlessWindowPrivateKeyIndex;
-static int rootlessWindowOldPixmapPrivateKeyIndex;
-DevPrivateKey rootlessWindowOldPixmapPrivateKey = &rootlessWindowOldPixmapPrivateKeyIndex;
-
-
-/*
- * RootlessUpdateScreenPixmap
- * miCreateScreenResources does not like a null framebuffer pointer,
- * it leaves the screen pixmap with an uninitialized data pointer.
- * Thus, rootless implementations typically set the framebuffer width
- * to zero so that miCreateScreenResources does not allocate a screen
- * pixmap for us. We allocate our own screen pixmap here since we need
- * the screen pixmap to be valid (e.g. CopyArea from the root window).
- */
-void
-RootlessUpdateScreenPixmap(ScreenPtr pScreen)
-{
- RootlessScreenRec *s = SCREENREC(pScreen);
- PixmapPtr pPix;
- unsigned int rowbytes;
-
- pPix = (*pScreen->GetScreenPixmap)(pScreen);
- if (pPix == NULL) {
- pPix = (*pScreen->CreatePixmap)(pScreen, 0, 0, pScreen->rootDepth, 0);
- (*pScreen->SetScreenPixmap)(pPix);
- }
-
- rowbytes = PixmapBytePad(pScreen->width, pScreen->rootDepth);
-
- if (s->pixmap_data_size < rowbytes) {
- if (s->pixmap_data != NULL)
- xfree(s->pixmap_data);
-
- s->pixmap_data_size = rowbytes;
- s->pixmap_data = xalloc(s->pixmap_data_size);
- if (s->pixmap_data == NULL)
- return;
-
- memset(s->pixmap_data, 0xFF, s->pixmap_data_size);
-
- pScreen->ModifyPixmapHeader(pPix, pScreen->width, pScreen->height,
- pScreen->rootDepth,
- BitsPerPixel(pScreen->rootDepth),
- 0, s->pixmap_data);
- /* ModifyPixmapHeader ignores zero arguments, so install rowbytes
- by hand. */
- pPix->devKind = 0;
- }
-}
-
-
-/*
- * RootlessCreateScreenResources
- * Rootless implementations typically set a null framebuffer pointer, which
- * causes problems with miCreateScreenResources. We fix things up here.
- */
-static Bool
-RootlessCreateScreenResources(ScreenPtr pScreen)
-{
- Bool ret = TRUE;
-
- SCREEN_UNWRAP(pScreen, CreateScreenResources);
-
- if (pScreen->CreateScreenResources != NULL)
- ret = (*pScreen->CreateScreenResources)(pScreen);
-
- SCREEN_WRAP(pScreen, CreateScreenResources);
-
- if (!ret)
- return ret;
-
- /* Make sure we have a valid screen pixmap. */
-
- RootlessUpdateScreenPixmap(pScreen);
-
- return ret;
-}
-
-
-static Bool
-RootlessCloseScreen(int i, ScreenPtr pScreen)
-{
- RootlessScreenRec *s;
-
- s = SCREENREC(pScreen);
-
- // fixme unwrap everything that was wrapped?
- pScreen->CloseScreen = s->CloseScreen;
-
- if (s->pixmap_data != NULL) {
- xfree (s->pixmap_data);
- s->pixmap_data = NULL;
- s->pixmap_data_size = 0;
- }
-
- xfree(s);
- return pScreen->CloseScreen(i, pScreen);
-}
-
-
-static void
-RootlessGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h,
- unsigned int format, unsigned long planeMask, char *pdstLine)
-{
- ScreenPtr pScreen = pDrawable->pScreen;
- SCREEN_UNWRAP(pScreen, GetImage);
-
- if (pDrawable->type == DRAWABLE_WINDOW) {
- int x0, y0, x1, y1;
- RootlessWindowRec *winRec;
-
- // Many apps use GetImage to sync with the visible frame buffer
- // FIXME: entire screen or just window or all screens?
- RootlessRedisplayScreen(pScreen);
-
- // RedisplayScreen stops drawing, so we need to start it again
- RootlessStartDrawing((WindowPtr)pDrawable);
-
- /* Check that we have some place to read from. */
- winRec = WINREC(TopLevelParent((WindowPtr) pDrawable));
- if (winRec == NULL)
- goto out;
-
- /* Clip to top-level window bounds. */
- /* FIXME: fbGetImage uses the width parameter to calculate the
- stride of the destination pixmap. If w is clipped, the data
- returned will be garbage, although we will not crash. */
-
- x0 = pDrawable->x + sx;
- y0 = pDrawable->y + sy;
- x1 = x0 + w;
- y1 = y0 + h;
-
- x0 = max (x0, winRec->x);
- y0 = max (y0, winRec->y);
- x1 = min (x1, winRec->x + winRec->width);
- y1 = min (y1, winRec->y + winRec->height);
-
- sx = x0 - pDrawable->x;
- sy = y0 - pDrawable->y;
- w = x1 - x0;
- h = y1 - y0;
-
- if (w <= 0 || h <= 0)
- goto out;
- }
-
- pScreen->GetImage(pDrawable, sx, sy, w, h, format, planeMask, pdstLine);
-
-out:
- SCREEN_WRAP(pScreen, GetImage);
-}
-
-
-/*
- * RootlessSourceValidate
- * CopyArea and CopyPlane use a GC tied to the destination drawable.
- * StartDrawing/StopDrawing wrappers won't be called if source is
- * a visible window but the destination isn't. So, we call StartDrawing
- * here and leave StopDrawing for the block handler.
- */
-static void
-RootlessSourceValidate(DrawablePtr pDrawable, int x, int y, int w, int h)
-{
- SCREEN_UNWRAP(pDrawable->pScreen, SourceValidate);
- if (pDrawable->type == DRAWABLE_WINDOW) {
- WindowPtr pWin = (WindowPtr)pDrawable;
- RootlessStartDrawing(pWin);
- }
- if (pDrawable->pScreen->SourceValidate) {
- pDrawable->pScreen->SourceValidate(pDrawable, x, y, w, h);
- }
- SCREEN_WRAP(pDrawable->pScreen, SourceValidate);
-}
-
-static void
-RootlessComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst,
- INT16 xSrc, INT16 ySrc, INT16 xMask, INT16 yMask,
- INT16 xDst, INT16 yDst, CARD16 width, CARD16 height)
-{
- ScreenPtr pScreen = pDst->pDrawable->pScreen;
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- WindowPtr srcWin, dstWin, maskWin = NULL;
-
- if (pMask) { // pMask can be NULL
- maskWin = (pMask->pDrawable->type == DRAWABLE_WINDOW) ?
- (WindowPtr)pMask->pDrawable : NULL;
- }
- srcWin = (pSrc->pDrawable && pSrc->pDrawable->type == DRAWABLE_WINDOW) ?
- (WindowPtr)pSrc->pDrawable : NULL;
- dstWin = (pDst->pDrawable->type == DRAWABLE_WINDOW) ?
- (WindowPtr)pDst->pDrawable : NULL;
-
- // SCREEN_UNWRAP(ps, Composite);
- ps->Composite = SCREENREC(pScreen)->Composite;
-
- if (srcWin && IsFramedWindow(srcWin))
- RootlessStartDrawing(srcWin);
- if (maskWin && IsFramedWindow(maskWin))
- RootlessStartDrawing(maskWin);
- if (dstWin && IsFramedWindow(dstWin))
- RootlessStartDrawing(dstWin);
-
- ps->Composite(op, pSrc, pMask, pDst,
- xSrc, ySrc, xMask, yMask,
- xDst, yDst, width, height);
-
- if (dstWin && IsFramedWindow(dstWin)) {
- RootlessDamageRect(dstWin, xDst, yDst, width, height);
- }
-
- ps->Composite = RootlessComposite;
- // SCREEN_WRAP(ps, Composite);
-}
-
-
-static void
-RootlessGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
- PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc,
- int nlist, GlyphListPtr list, GlyphPtr *glyphs)
-{
- ScreenPtr pScreen = pDst->pDrawable->pScreen;
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- int x, y;
- int n;
- GlyphPtr glyph;
- WindowPtr srcWin, dstWin;
-
- srcWin = (pSrc->pDrawable && pSrc->pDrawable->type == DRAWABLE_WINDOW) ?
- (WindowPtr)pSrc->pDrawable : NULL;
- dstWin = (pDst->pDrawable->type == DRAWABLE_WINDOW) ?
- (WindowPtr)pDst->pDrawable : NULL;
-
- if (srcWin && IsFramedWindow(srcWin)) RootlessStartDrawing(srcWin);
- if (dstWin && IsFramedWindow(dstWin)) RootlessStartDrawing(dstWin);
-
- //SCREEN_UNWRAP(ps, Glyphs);
- ps->Glyphs = SCREENREC(pScreen)->Glyphs;
- ps->Glyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs);
- ps->Glyphs = RootlessGlyphs;
- //SCREEN_WRAP(ps, Glyphs);
-
- if (dstWin && IsFramedWindow(dstWin)) {
- x = xSrc;
- y = ySrc;
-
- while (nlist--) {
- x += list->xOff;
- y += list->yOff;
- n = list->len;
-
- /* Calling DamageRect for the bounding box of each glyph is
- inefficient. So compute the union of all glyphs in a list
- and damage that. */
-
- if (n > 0) {
- BoxRec box;
-
- glyph = *glyphs++;
-
- box.x1 = x - glyph->info.x;
- box.y1 = y - glyph->info.y;
- box.x2 = box.x1 + glyph->info.width;
- box.y2 = box.y2 + glyph->info.height;
-
- x += glyph->info.xOff;
- y += glyph->info.yOff;
-
- while (--n > 0) {
- short x1, y1, x2, y2;
-
- glyph = *glyphs++;
-
- x1 = x - glyph->info.x;
- y1 = y - glyph->info.y;
- x2 = x1 + glyph->info.width;
- y2 = y1 + glyph->info.height;
-
- box.x1 = max (box.x1, x1);
- box.y1 = max (box.y1, y1);
- box.x2 = max (box.x2, x2);
- box.y2 = max (box.y2, y2);
-
- x += glyph->info.xOff;
- y += glyph->info.yOff;
- }
-
- RootlessDamageBox(dstWin, &box);
- }
- list++;
- }
- }
-}
-
-
-/*
- * RootlessValidateTree
- * ValidateTree is modified in two ways:
- * - top-level windows don't clip each other
- * - windows aren't clipped against root.
- * These only matter when validating from the root.
- */
-static int
-RootlessValidateTree(WindowPtr pParent, WindowPtr pChild, VTKind kind)
-{
- int result;
- RegionRec saveRoot;
- ScreenPtr pScreen = pParent->drawable.pScreen;
-
- SCREEN_UNWRAP(pScreen, ValidateTree);
- RL_DEBUG_MSG("VALIDATETREE start ");
-
- // Use our custom version to validate from root
- if (IsRoot(pParent)) {
- RL_DEBUG_MSG("custom ");
- result = RootlessMiValidateTree(pParent, pChild, kind);
- } else {
- HUGE_ROOT(pParent);
- result = pScreen->ValidateTree(pParent, pChild, kind);
- NORMAL_ROOT(pParent);
- }
-
- SCREEN_WRAP(pScreen, ValidateTree);
- RL_DEBUG_MSG("VALIDATETREE end\n");
-
- return result;
-}
-
-
-/*
- * RootlessMarkOverlappedWindows
- * MarkOverlappedWindows is modified to ignore overlapping
- * top-level windows.
- */
-static Bool
-RootlessMarkOverlappedWindows(WindowPtr pWin, WindowPtr pFirst,
- WindowPtr *ppLayerWin)
-{
- RegionRec saveRoot;
- Bool result;
- ScreenPtr pScreen = pWin->drawable.pScreen;
- SCREEN_UNWRAP(pScreen, MarkOverlappedWindows);
- RL_DEBUG_MSG("MARKOVERLAPPEDWINDOWS start ");
-
- HUGE_ROOT(pWin);
- if (IsRoot(pWin)) {
- // root - mark nothing
- RL_DEBUG_MSG("is root not marking ");
- result = FALSE;
- }
- else if (! IsTopLevel(pWin)) {
- // not top-level window - mark normally
- result = pScreen->MarkOverlappedWindows(pWin, pFirst, ppLayerWin);
- }
- else {
- //top-level window - mark children ONLY - NO overlaps with sibs (?)
- // This code copied from miMarkOverlappedWindows()
-
- register WindowPtr pChild;
- Bool anyMarked = FALSE;
- MarkWindowProcPtr MarkWindow = pScreen->MarkWindow;
-
- RL_DEBUG_MSG("is top level! ");
- /* single layered systems are easy */
- if (ppLayerWin) *ppLayerWin = pWin;
-
- if (pWin == pFirst) {
- /* Blindly mark pWin and all of its inferiors. This is a slight
- * overkill if there are mapped windows that outside pWin's border,
- * but it's better than wasting time on RectIn checks.
- */
- pChild = pWin;
- while (1) {
- if (pChild->viewable) {
- if (REGION_BROKEN (pScreen, &pChild->winSize))
- SetWinSize (pChild);
- if (REGION_BROKEN (pScreen, &pChild->borderSize))
- SetBorderSize (pChild);
- (* MarkWindow)(pChild);
- if (pChild->firstChild) {
- pChild = pChild->firstChild;
- continue;
- }
- }
- while (!pChild->nextSib && (pChild != pWin))
- pChild = pChild->parent;
- if (pChild == pWin)
- break;
- pChild = pChild->nextSib;
- }
- anyMarked = TRUE;
- pFirst = pFirst->nextSib;
- }
- if (anyMarked)
- (* MarkWindow)(pWin->parent);
- result = anyMarked;
- }
- NORMAL_ROOT(pWin);
- SCREEN_WRAP(pScreen, MarkOverlappedWindows);
- RL_DEBUG_MSG("MARKOVERLAPPEDWINDOWS end\n");
-
- return result;
-}
-
-static void expose_1 (WindowPtr pWin) {
- WindowPtr pChild;
-
- if (!pWin->realized)
- return;
-
- miPaintWindow(pWin, &pWin->borderClip, PW_BACKGROUND);
-
- /* FIXME: comments in windowstr.h indicate that borderClip doesn't
- include subwindow visibility. But I'm not so sure.. so we may
- be exposing too much.. */
-
- miSendExposures (pWin, &pWin->borderClip,
- pWin->drawable.x, pWin->drawable.y);
-
- for (pChild = pWin->firstChild; pChild != NULL; pChild = pChild->nextSib)
- expose_1 (pChild);
-}
-
-void
-RootlessScreenExpose (ScreenPtr pScreen)
-{
- expose_1 (WindowTable[pScreen->myNum]);
-}
-
-
-ColormapPtr
-RootlessGetColormap (ScreenPtr pScreen)
-{
- RootlessScreenRec *s = SCREENREC (pScreen);
-
- return s->colormap;
-}
-
-static void
-RootlessInstallColormap (ColormapPtr pMap)
-{
- ScreenPtr pScreen = pMap->pScreen;
- RootlessScreenRec *s = SCREENREC (pScreen);
-
- SCREEN_UNWRAP(pScreen, InstallColormap);
-
- if (s->colormap != pMap) {
- s->colormap = pMap;
- s->colormap_changed = TRUE;
- RootlessQueueRedisplay (pScreen);
- }
-
- pScreen->InstallColormap (pMap);
-
- SCREEN_WRAP (pScreen, InstallColormap);
-}
-
-static void
-RootlessUninstallColormap (ColormapPtr pMap)
-{
- ScreenPtr pScreen = pMap->pScreen;
- RootlessScreenRec *s = SCREENREC (pScreen);
-
- SCREEN_UNWRAP(pScreen, UninstallColormap);
-
- if (s->colormap == pMap)
- s->colormap = NULL;
-
- pScreen->UninstallColormap (pMap);
-
- SCREEN_WRAP(pScreen, UninstallColormap);
-}
-
-static void
-RootlessStoreColors (ColormapPtr pMap, int ndef, xColorItem *pdef)
-{
- ScreenPtr pScreen = pMap->pScreen;
- RootlessScreenRec *s = SCREENREC (pScreen);
-
- SCREEN_UNWRAP(pScreen, StoreColors);
-
- if (s->colormap == pMap && ndef > 0) {
- s->colormap_changed = TRUE;
- RootlessQueueRedisplay (pScreen);
- }
-
- pScreen->StoreColors (pMap, ndef, pdef);
-
- SCREEN_WRAP(pScreen, StoreColors);
-}
-
-
-static CARD32
-RootlessRedisplayCallback(OsTimerPtr timer, CARD32 time, void *arg)
-{
- RootlessScreenRec *screenRec = arg;
-
- if (!screenRec->redisplay_queued) {
- /* No update needed. Stop the timer. */
-
- screenRec->redisplay_timer_set = FALSE;
- return 0;
- }
-
- screenRec->redisplay_queued = FALSE;
-
- /* Mark that we should redisplay before waiting for I/O next time */
- screenRec->redisplay_expired = TRUE;
-
- /* Reinstall the timer immediately, so we get as close to our
- redisplay interval as possible. */
-
- return ROOTLESS_REDISPLAY_DELAY;
-}
-
-
-/*
- * RootlessQueueRedisplay
- * Queue a redisplay after a timer delay to ensure we do not redisplay
- * too frequently.
- */
-void
-RootlessQueueRedisplay(ScreenPtr pScreen)
-{
- RootlessScreenRec *screenRec = SCREENREC(pScreen);
-
- screenRec->redisplay_queued = TRUE;
-
- if (screenRec->redisplay_timer_set)
- return;
-
- screenRec->redisplay_timer = TimerSet(screenRec->redisplay_timer,
- 0, ROOTLESS_REDISPLAY_DELAY,
- RootlessRedisplayCallback,
- screenRec);
- screenRec->redisplay_timer_set = TRUE;
-}
-
-
-/*
- * RootlessBlockHandler
- * If the redisplay timer has expired, flush drawing before blocking
- * on select().
- */
-static void
-RootlessBlockHandler(pointer pbdata, OSTimePtr pTimeout, pointer pReadmask)
-{
- ScreenPtr pScreen = pbdata;
- RootlessScreenRec *screenRec = SCREENREC(pScreen);
-
- if (screenRec->redisplay_expired) {
- screenRec->redisplay_expired = FALSE;
-
- RootlessRedisplayScreen(pScreen);
- }
-}
-
-
-static void
-RootlessWakeupHandler(pointer data, int i, pointer LastSelectMask)
-{
- // nothing here
-}
-
-
-static Bool
-RootlessAllocatePrivates(ScreenPtr pScreen)
-{
- RootlessScreenRec *s;
-
- // no allocation needed for screen privates
- if (!dixRequestPrivate(rootlessGCPrivateKey, sizeof(RootlessGCRec)))
- return FALSE;
-
- s = xalloc(sizeof(RootlessScreenRec));
- if (! s) return FALSE;
- SETSCREENREC(pScreen, s);
-
- s->pixmap_data = NULL;
- s->pixmap_data_size = 0;
-
- s->redisplay_timer = NULL;
- s->redisplay_timer_set = FALSE;
-
- return TRUE;
-}
-
-
-static void
-RootlessWrap(ScreenPtr pScreen)
-{
- RootlessScreenRec *s = SCREENREC(pScreen);
-
-#define WRAP(a) \
- if (pScreen->a) { \
- s->a = pScreen->a; \
- } else { \
- RL_DEBUG_MSG("null screen fn " #a "\n"); \
- s->a = NULL; \
- } \
- pScreen->a = Rootless##a
-
- WRAP(CreateScreenResources);
- WRAP(CloseScreen);
- WRAP(CreateGC);
- WRAP(CopyWindow);
- WRAP(GetImage);
- WRAP(SourceValidate);
- WRAP(CreateWindow);
- WRAP(DestroyWindow);
- WRAP(RealizeWindow);
- WRAP(UnrealizeWindow);
- WRAP(MoveWindow);
- WRAP(PositionWindow);
- WRAP(ResizeWindow);
- WRAP(RestackWindow);
- WRAP(ReparentWindow);
- WRAP(ChangeBorderWidth);
- WRAP(MarkOverlappedWindows);
- WRAP(ValidateTree);
- WRAP(ChangeWindowAttributes);
- WRAP(InstallColormap);
- WRAP(UninstallColormap);
- WRAP(StoreColors);
-
- WRAP(SetShape);
-
- {
- // Composite and Glyphs don't use normal screen wrapping
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- s->Composite = ps->Composite;
- ps->Composite = RootlessComposite;
- s->Glyphs = ps->Glyphs;
- ps->Glyphs = RootlessGlyphs;
- }
-
- // WRAP(ClearToBackground); fixme put this back? useful for shaped wins?
-
-#undef WRAP
-}
-
-
-/*
- * RootlessInit
- * Called by the rootless implementation to initialize the rootless layer.
- * Rootless wraps lots of stuff and needs a bunch of devPrivates.
- */
-Bool RootlessInit(ScreenPtr pScreen, RootlessFrameProcsPtr procs)
-{
- RootlessScreenRec *s;
-
- if (!RootlessAllocatePrivates(pScreen))
- return FALSE;
-
- s = SCREENREC(pScreen);
-
- s->imp = procs;
- s->colormap = NULL;
- s->redisplay_expired = FALSE;
-
- RootlessWrap(pScreen);
-
- if (!RegisterBlockAndWakeupHandlers(RootlessBlockHandler,
- RootlessWakeupHandler,
- (pointer) pScreen))
- {
- return FALSE;
- }
-
- return TRUE;
-}
-
-void RootlessUpdateRooted (Bool state) {
- int i;
-
- if (!state)
- {
- for (i = 0; i < screenInfo.numScreens; i++)
- RootlessDisableRoot (screenInfo.screens[i]);
- }
- else
- {
- for (i = 0; i < screenInfo.numScreens; i++)
- RootlessEnableRoot (screenInfo.screens[i]);
- }
-}
+/*
+ * Screen routines for generic rootless X server
+ */
+/*
+ * Copyright (c) 2001 Greg Parker. All Rights Reserved.
+ * Copyright (c) 2002-2003 Torrey T. Lyons. All Rights Reserved.
+ * Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice 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 <dix-config.h>
+#endif
+
+#include "mi.h"
+#include "scrnintstr.h"
+#include "gcstruct.h"
+#include "pixmapstr.h"
+#include "windowstr.h"
+#include "propertyst.h"
+#include "mivalidate.h"
+#include "picturestr.h"
+#include "colormapst.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+
+#include "rootlessCommon.h"
+#include "rootlessWindow.h"
+
+/* In milliseconds */
+#ifndef ROOTLESS_REDISPLAY_DELAY
+#define ROOTLESS_REDISPLAY_DELAY 10
+#endif
+
+extern int RootlessMiValidateTree(WindowPtr pRoot, WindowPtr pChild,
+ VTKind kind);
+extern Bool RootlessCreateGC(GCPtr pGC);
+
+// Initialize globals
+static int rootlessGCPrivateKeyIndex;
+DevPrivateKey rootlessGCPrivateKey = &rootlessGCPrivateKeyIndex;
+static int rootlessScreenPrivateKeyIndex;
+DevPrivateKey rootlessScreenPrivateKey = &rootlessScreenPrivateKeyIndex;
+static int rootlessWindowPrivateKeyIndex;
+DevPrivateKey rootlessWindowPrivateKey = &rootlessWindowPrivateKeyIndex;
+static int rootlessWindowOldPixmapPrivateKeyIndex;
+DevPrivateKey rootlessWindowOldPixmapPrivateKey = &rootlessWindowOldPixmapPrivateKeyIndex;
+
+
+/*
+ * RootlessUpdateScreenPixmap
+ * miCreateScreenResources does not like a null framebuffer pointer,
+ * it leaves the screen pixmap with an uninitialized data pointer.
+ * Thus, rootless implementations typically set the framebuffer width
+ * to zero so that miCreateScreenResources does not allocate a screen
+ * pixmap for us. We allocate our own screen pixmap here since we need
+ * the screen pixmap to be valid (e.g. CopyArea from the root window).
+ */
+void
+RootlessUpdateScreenPixmap(ScreenPtr pScreen)
+{
+ RootlessScreenRec *s = SCREENREC(pScreen);
+ PixmapPtr pPix;
+ unsigned int rowbytes;
+
+ pPix = (*pScreen->GetScreenPixmap)(pScreen);
+ if (pPix == NULL) {
+ pPix = (*pScreen->CreatePixmap)(pScreen, 0, 0, pScreen->rootDepth, 0);
+ (*pScreen->SetScreenPixmap)(pPix);
+ }
+
+ rowbytes = PixmapBytePad(pScreen->width, pScreen->rootDepth);
+
+ if (s->pixmap_data_size < rowbytes) {
+ if (s->pixmap_data != NULL)
+ free(s->pixmap_data);
+
+ s->pixmap_data_size = rowbytes;
+ s->pixmap_data = malloc(s->pixmap_data_size);
+ if (s->pixmap_data == NULL)
+ return;
+
+ memset(s->pixmap_data, 0xFF, s->pixmap_data_size);
+
+ pScreen->ModifyPixmapHeader(pPix, pScreen->width, pScreen->height,
+ pScreen->rootDepth,
+ BitsPerPixel(pScreen->rootDepth),
+ 0, s->pixmap_data);
+ /* ModifyPixmapHeader ignores zero arguments, so install rowbytes
+ by hand. */
+ pPix->devKind = 0;
+ }
+}
+
+
+/*
+ * RootlessCreateScreenResources
+ * Rootless implementations typically set a null framebuffer pointer, which
+ * causes problems with miCreateScreenResources. We fix things up here.
+ */
+static Bool
+RootlessCreateScreenResources(ScreenPtr pScreen)
+{
+ Bool ret = TRUE;
+
+ SCREEN_UNWRAP(pScreen, CreateScreenResources);
+
+ if (pScreen->CreateScreenResources != NULL)
+ ret = (*pScreen->CreateScreenResources)(pScreen);
+
+ SCREEN_WRAP(pScreen, CreateScreenResources);
+
+ if (!ret)
+ return ret;
+
+ /* Make sure we have a valid screen pixmap. */
+
+ RootlessUpdateScreenPixmap(pScreen);
+
+ return ret;
+}
+
+
+static Bool
+RootlessCloseScreen(int i, ScreenPtr pScreen)
+{
+ RootlessScreenRec *s;
+
+ s = SCREENREC(pScreen);
+
+ // fixme unwrap everything that was wrapped?
+ pScreen->CloseScreen = s->CloseScreen;
+
+ if (s->pixmap_data != NULL) {
+ free(s->pixmap_data);
+ s->pixmap_data = NULL;
+ s->pixmap_data_size = 0;
+ }
+
+ free(s);
+ return pScreen->CloseScreen(i, pScreen);
+}
+
+
+static void
+RootlessGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h,
+ unsigned int format, unsigned long planeMask, char *pdstLine)
+{
+ ScreenPtr pScreen = pDrawable->pScreen;
+ SCREEN_UNWRAP(pScreen, GetImage);
+
+ if (pDrawable->type == DRAWABLE_WINDOW) {
+ int x0, y0, x1, y1;
+ RootlessWindowRec *winRec;
+
+ // Many apps use GetImage to sync with the visible frame buffer
+ // FIXME: entire screen or just window or all screens?
+ RootlessRedisplayScreen(pScreen);
+
+ // RedisplayScreen stops drawing, so we need to start it again
+ RootlessStartDrawing((WindowPtr)pDrawable);
+
+ /* Check that we have some place to read from. */
+ winRec = WINREC(TopLevelParent((WindowPtr) pDrawable));
+ if (winRec == NULL)
+ goto out;
+
+ /* Clip to top-level window bounds. */
+ /* FIXME: fbGetImage uses the width parameter to calculate the
+ stride of the destination pixmap. If w is clipped, the data
+ returned will be garbage, although we will not crash. */
+
+ x0 = pDrawable->x + sx;
+ y0 = pDrawable->y + sy;
+ x1 = x0 + w;
+ y1 = y0 + h;
+
+ x0 = max (x0, winRec->x);
+ y0 = max (y0, winRec->y);
+ x1 = min (x1, winRec->x + winRec->width);
+ y1 = min (y1, winRec->y + winRec->height);
+
+ sx = x0 - pDrawable->x;
+ sy = y0 - pDrawable->y;
+ w = x1 - x0;
+ h = y1 - y0;
+
+ if (w <= 0 || h <= 0)
+ goto out;
+ }
+
+ pScreen->GetImage(pDrawable, sx, sy, w, h, format, planeMask, pdstLine);
+
+out:
+ SCREEN_WRAP(pScreen, GetImage);
+}
+
+
+/*
+ * RootlessSourceValidate
+ * CopyArea and CopyPlane use a GC tied to the destination drawable.
+ * StartDrawing/StopDrawing wrappers won't be called if source is
+ * a visible window but the destination isn't. So, we call StartDrawing
+ * here and leave StopDrawing for the block handler.
+ */
+static void
+RootlessSourceValidate(DrawablePtr pDrawable, int x, int y, int w, int h)
+{
+ SCREEN_UNWRAP(pDrawable->pScreen, SourceValidate);
+ if (pDrawable->type == DRAWABLE_WINDOW) {
+ WindowPtr pWin = (WindowPtr)pDrawable;
+ RootlessStartDrawing(pWin);
+ }
+ if (pDrawable->pScreen->SourceValidate) {
+ pDrawable->pScreen->SourceValidate(pDrawable, x, y, w, h);
+ }
+ SCREEN_WRAP(pDrawable->pScreen, SourceValidate);
+}
+
+static void
+RootlessComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst,
+ INT16 xSrc, INT16 ySrc, INT16 xMask, INT16 yMask,
+ INT16 xDst, INT16 yDst, CARD16 width, CARD16 height)
+{
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ WindowPtr srcWin, dstWin, maskWin = NULL;
+
+ if (pMask) { // pMask can be NULL
+ maskWin = (pMask->pDrawable->type == DRAWABLE_WINDOW) ?
+ (WindowPtr)pMask->pDrawable : NULL;
+ }
+ srcWin = (pSrc->pDrawable && pSrc->pDrawable->type == DRAWABLE_WINDOW) ?
+ (WindowPtr)pSrc->pDrawable : NULL;
+ dstWin = (pDst->pDrawable->type == DRAWABLE_WINDOW) ?
+ (WindowPtr)pDst->pDrawable : NULL;
+
+ // SCREEN_UNWRAP(ps, Composite);
+ ps->Composite = SCREENREC(pScreen)->Composite;
+
+ if (srcWin && IsFramedWindow(srcWin))
+ RootlessStartDrawing(srcWin);
+ if (maskWin && IsFramedWindow(maskWin))
+ RootlessStartDrawing(maskWin);
+ if (dstWin && IsFramedWindow(dstWin))
+ RootlessStartDrawing(dstWin);
+
+ ps->Composite(op, pSrc, pMask, pDst,
+ xSrc, ySrc, xMask, yMask,
+ xDst, yDst, width, height);
+
+ if (dstWin && IsFramedWindow(dstWin)) {
+ RootlessDamageRect(dstWin, xDst, yDst, width, height);
+ }
+
+ ps->Composite = RootlessComposite;
+ // SCREEN_WRAP(ps, Composite);
+}
+
+
+static void
+RootlessGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
+ PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc,
+ int nlist, GlyphListPtr list, GlyphPtr *glyphs)
+{
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ int x, y;
+ int n;
+ GlyphPtr glyph;
+ WindowPtr srcWin, dstWin;
+
+ srcWin = (pSrc->pDrawable && pSrc->pDrawable->type == DRAWABLE_WINDOW) ?
+ (WindowPtr)pSrc->pDrawable : NULL;
+ dstWin = (pDst->pDrawable->type == DRAWABLE_WINDOW) ?
+ (WindowPtr)pDst->pDrawable : NULL;
+
+ if (srcWin && IsFramedWindow(srcWin)) RootlessStartDrawing(srcWin);
+ if (dstWin && IsFramedWindow(dstWin)) RootlessStartDrawing(dstWin);
+
+ //SCREEN_UNWRAP(ps, Glyphs);
+ ps->Glyphs = SCREENREC(pScreen)->Glyphs;
+ ps->Glyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs);
+ ps->Glyphs = RootlessGlyphs;
+ //SCREEN_WRAP(ps, Glyphs);
+
+ if (dstWin && IsFramedWindow(dstWin)) {
+ x = xSrc;
+ y = ySrc;
+
+ while (nlist--) {
+ x += list->xOff;
+ y += list->yOff;
+ n = list->len;
+
+ /* Calling DamageRect for the bounding box of each glyph is
+ inefficient. So compute the union of all glyphs in a list
+ and damage that. */
+
+ if (n > 0) {
+ BoxRec box;
+
+ glyph = *glyphs++;
+
+ box.x1 = x - glyph->info.x;
+ box.y1 = y - glyph->info.y;
+ box.x2 = box.x1 + glyph->info.width;
+ box.y2 = box.y2 + glyph->info.height;
+
+ x += glyph->info.xOff;
+ y += glyph->info.yOff;
+
+ while (--n > 0) {
+ short x1, y1, x2, y2;
+
+ glyph = *glyphs++;
+
+ x1 = x - glyph->info.x;
+ y1 = y - glyph->info.y;
+ x2 = x1 + glyph->info.width;
+ y2 = y1 + glyph->info.height;
+
+ box.x1 = max (box.x1, x1);
+ box.y1 = max (box.y1, y1);
+ box.x2 = max (box.x2, x2);
+ box.y2 = max (box.y2, y2);
+
+ x += glyph->info.xOff;
+ y += glyph->info.yOff;
+ }
+
+ RootlessDamageBox(dstWin, &box);
+ }
+ list++;
+ }
+ }
+}
+
+
+/*
+ * RootlessValidateTree
+ * ValidateTree is modified in two ways:
+ * - top-level windows don't clip each other
+ * - windows aren't clipped against root.
+ * These only matter when validating from the root.
+ */
+static int
+RootlessValidateTree(WindowPtr pParent, WindowPtr pChild, VTKind kind)
+{
+ int result;
+ RegionRec saveRoot;
+ ScreenPtr pScreen = pParent->drawable.pScreen;
+
+ SCREEN_UNWRAP(pScreen, ValidateTree);
+ RL_DEBUG_MSG("VALIDATETREE start ");
+
+ // Use our custom version to validate from root
+ if (IsRoot(pParent)) {
+ RL_DEBUG_MSG("custom ");
+ result = RootlessMiValidateTree(pParent, pChild, kind);
+ } else {
+ HUGE_ROOT(pParent);
+ result = pScreen->ValidateTree(pParent, pChild, kind);
+ NORMAL_ROOT(pParent);
+ }
+
+ SCREEN_WRAP(pScreen, ValidateTree);
+ RL_DEBUG_MSG("VALIDATETREE end\n");
+
+ return result;
+}
+
+
+/*
+ * RootlessMarkOverlappedWindows
+ * MarkOverlappedWindows is modified to ignore overlapping
+ * top-level windows.
+ */
+static Bool
+RootlessMarkOverlappedWindows(WindowPtr pWin, WindowPtr pFirst,
+ WindowPtr *ppLayerWin)
+{
+ RegionRec saveRoot;
+ Bool result;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ SCREEN_UNWRAP(pScreen, MarkOverlappedWindows);
+ RL_DEBUG_MSG("MARKOVERLAPPEDWINDOWS start ");
+
+ HUGE_ROOT(pWin);
+ if (IsRoot(pWin)) {
+ // root - mark nothing
+ RL_DEBUG_MSG("is root not marking ");
+ result = FALSE;
+ }
+ else if (! IsTopLevel(pWin)) {
+ // not top-level window - mark normally
+ result = pScreen->MarkOverlappedWindows(pWin, pFirst, ppLayerWin);
+ }
+ else {
+ //top-level window - mark children ONLY - NO overlaps with sibs (?)
+ // This code copied from miMarkOverlappedWindows()
+
+ register WindowPtr pChild;
+ Bool anyMarked = FALSE;
+ MarkWindowProcPtr MarkWindow = pScreen->MarkWindow;
+
+ RL_DEBUG_MSG("is top level! ");
+ /* single layered systems are easy */
+ if (ppLayerWin) *ppLayerWin = pWin;
+
+ if (pWin == pFirst) {
+ /* Blindly mark pWin and all of its inferiors. This is a slight
+ * overkill if there are mapped windows that outside pWin's border,
+ * but it's better than wasting time on RectIn checks.
+ */
+ pChild = pWin;
+ while (1) {
+ if (pChild->viewable) {
+ if (REGION_BROKEN (pScreen, &pChild->winSize))
+ SetWinSize (pChild);
+ if (REGION_BROKEN (pScreen, &pChild->borderSize))
+ SetBorderSize (pChild);
+ (* MarkWindow)(pChild);
+ if (pChild->firstChild) {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ }
+ while (!pChild->nextSib && (pChild != pWin))
+ pChild = pChild->parent;
+ if (pChild == pWin)
+ break;
+ pChild = pChild->nextSib;
+ }
+ anyMarked = TRUE;
+ pFirst = pFirst->nextSib;
+ }
+ if (anyMarked)
+ (* MarkWindow)(pWin->parent);
+ result = anyMarked;
+ }
+ NORMAL_ROOT(pWin);
+ SCREEN_WRAP(pScreen, MarkOverlappedWindows);
+ RL_DEBUG_MSG("MARKOVERLAPPEDWINDOWS end\n");
+
+ return result;
+}
+
+static void expose_1 (WindowPtr pWin) {
+ WindowPtr pChild;
+
+ if (!pWin->realized)
+ return;
+
+ miPaintWindow(pWin, &pWin->borderClip, PW_BACKGROUND);
+
+ /* FIXME: comments in windowstr.h indicate that borderClip doesn't
+ include subwindow visibility. But I'm not so sure.. so we may
+ be exposing too much.. */
+
+ miSendExposures (pWin, &pWin->borderClip,
+ pWin->drawable.x, pWin->drawable.y);
+
+ for (pChild = pWin->firstChild; pChild != NULL; pChild = pChild->nextSib)
+ expose_1 (pChild);
+}
+
+void
+RootlessScreenExpose (ScreenPtr pScreen)
+{
+ expose_1 (WindowTable[pScreen->myNum]);
+}
+
+
+ColormapPtr
+RootlessGetColormap (ScreenPtr pScreen)
+{
+ RootlessScreenRec *s = SCREENREC (pScreen);
+
+ return s->colormap;
+}
+
+static void
+RootlessInstallColormap (ColormapPtr pMap)
+{
+ ScreenPtr pScreen = pMap->pScreen;
+ RootlessScreenRec *s = SCREENREC (pScreen);
+
+ SCREEN_UNWRAP(pScreen, InstallColormap);
+
+ if (s->colormap != pMap) {
+ s->colormap = pMap;
+ s->colormap_changed = TRUE;
+ RootlessQueueRedisplay (pScreen);
+ }
+
+ pScreen->InstallColormap (pMap);
+
+ SCREEN_WRAP (pScreen, InstallColormap);
+}
+
+static void
+RootlessUninstallColormap (ColormapPtr pMap)
+{
+ ScreenPtr pScreen = pMap->pScreen;
+ RootlessScreenRec *s = SCREENREC (pScreen);
+
+ SCREEN_UNWRAP(pScreen, UninstallColormap);
+
+ if (s->colormap == pMap)
+ s->colormap = NULL;
+
+ pScreen->UninstallColormap (pMap);
+
+ SCREEN_WRAP(pScreen, UninstallColormap);
+}
+
+static void
+RootlessStoreColors (ColormapPtr pMap, int ndef, xColorItem *pdef)
+{
+ ScreenPtr pScreen = pMap->pScreen;
+ RootlessScreenRec *s = SCREENREC (pScreen);
+
+ SCREEN_UNWRAP(pScreen, StoreColors);
+
+ if (s->colormap == pMap && ndef > 0) {
+ s->colormap_changed = TRUE;
+ RootlessQueueRedisplay (pScreen);
+ }
+
+ pScreen->StoreColors (pMap, ndef, pdef);
+
+ SCREEN_WRAP(pScreen, StoreColors);
+}
+
+
+static CARD32
+RootlessRedisplayCallback(OsTimerPtr timer, CARD32 time, void *arg)
+{
+ RootlessScreenRec *screenRec = arg;
+
+ if (!screenRec->redisplay_queued) {
+ /* No update needed. Stop the timer. */
+
+ screenRec->redisplay_timer_set = FALSE;
+ return 0;
+ }
+
+ screenRec->redisplay_queued = FALSE;
+
+ /* Mark that we should redisplay before waiting for I/O next time */
+ screenRec->redisplay_expired = TRUE;
+
+ /* Reinstall the timer immediately, so we get as close to our
+ redisplay interval as possible. */
+
+ return ROOTLESS_REDISPLAY_DELAY;
+}
+
+
+/*
+ * RootlessQueueRedisplay
+ * Queue a redisplay after a timer delay to ensure we do not redisplay
+ * too frequently.
+ */
+void
+RootlessQueueRedisplay(ScreenPtr pScreen)
+{
+ RootlessScreenRec *screenRec = SCREENREC(pScreen);
+
+ screenRec->redisplay_queued = TRUE;
+
+ if (screenRec->redisplay_timer_set)
+ return;
+
+ screenRec->redisplay_timer = TimerSet(screenRec->redisplay_timer,
+ 0, ROOTLESS_REDISPLAY_DELAY,
+ RootlessRedisplayCallback,
+ screenRec);
+ screenRec->redisplay_timer_set = TRUE;
+}
+
+
+/*
+ * RootlessBlockHandler
+ * If the redisplay timer has expired, flush drawing before blocking
+ * on select().
+ */
+static void
+RootlessBlockHandler(pointer pbdata, OSTimePtr pTimeout, pointer pReadmask)
+{
+ ScreenPtr pScreen = pbdata;
+ RootlessScreenRec *screenRec = SCREENREC(pScreen);
+
+ if (screenRec->redisplay_expired) {
+ screenRec->redisplay_expired = FALSE;
+
+ RootlessRedisplayScreen(pScreen);
+ }
+}
+
+
+static void
+RootlessWakeupHandler(pointer data, int i, pointer LastSelectMask)
+{
+ // nothing here
+}
+
+
+static Bool
+RootlessAllocatePrivates(ScreenPtr pScreen)
+{
+ RootlessScreenRec *s;
+
+ // no allocation needed for screen privates
+ if (!dixRequestPrivate(rootlessGCPrivateKey, sizeof(RootlessGCRec)))
+ return FALSE;
+
+ s = malloc(sizeof(RootlessScreenRec));
+ if (! s) return FALSE;
+ SETSCREENREC(pScreen, s);
+
+ s->pixmap_data = NULL;
+ s->pixmap_data_size = 0;
+
+ s->redisplay_timer = NULL;
+ s->redisplay_timer_set = FALSE;
+
+ return TRUE;
+}
+
+
+static void
+RootlessWrap(ScreenPtr pScreen)
+{
+ RootlessScreenRec *s = SCREENREC(pScreen);
+
+#define WRAP(a) \
+ if (pScreen->a) { \
+ s->a = pScreen->a; \
+ } else { \
+ RL_DEBUG_MSG("null screen fn " #a "\n"); \
+ s->a = NULL; \
+ } \
+ pScreen->a = Rootless##a
+
+ WRAP(CreateScreenResources);
+ WRAP(CloseScreen);
+ WRAP(CreateGC);
+ WRAP(CopyWindow);
+ WRAP(GetImage);
+ WRAP(SourceValidate);
+ WRAP(CreateWindow);
+ WRAP(DestroyWindow);
+ WRAP(RealizeWindow);
+ WRAP(UnrealizeWindow);
+ WRAP(MoveWindow);
+ WRAP(PositionWindow);
+ WRAP(ResizeWindow);
+ WRAP(RestackWindow);
+ WRAP(ReparentWindow);
+ WRAP(ChangeBorderWidth);
+ WRAP(MarkOverlappedWindows);
+ WRAP(ValidateTree);
+ WRAP(ChangeWindowAttributes);
+ WRAP(InstallColormap);
+ WRAP(UninstallColormap);
+ WRAP(StoreColors);
+
+ WRAP(SetShape);
+
+ {
+ // Composite and Glyphs don't use normal screen wrapping
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ s->Composite = ps->Composite;
+ ps->Composite = RootlessComposite;
+ s->Glyphs = ps->Glyphs;
+ ps->Glyphs = RootlessGlyphs;
+ }
+
+ // WRAP(ClearToBackground); fixme put this back? useful for shaped wins?
+
+#undef WRAP
+}
+
+
+/*
+ * RootlessInit
+ * Called by the rootless implementation to initialize the rootless layer.
+ * Rootless wraps lots of stuff and needs a bunch of devPrivates.
+ */
+Bool RootlessInit(ScreenPtr pScreen, RootlessFrameProcsPtr procs)
+{
+ RootlessScreenRec *s;
+
+ if (!RootlessAllocatePrivates(pScreen))
+ return FALSE;
+
+ s = SCREENREC(pScreen);
+
+ s->imp = procs;
+ s->colormap = NULL;
+ s->redisplay_expired = FALSE;
+
+ RootlessWrap(pScreen);
+
+ if (!RegisterBlockAndWakeupHandlers(RootlessBlockHandler,
+ RootlessWakeupHandler,
+ (pointer) pScreen))
+ {
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+void RootlessUpdateRooted (Bool state) {
+ int i;
+
+ if (!state)
+ {
+ for (i = 0; i < screenInfo.numScreens; i++)
+ RootlessDisableRoot (screenInfo.screens[i]);
+ }
+ else
+ {
+ for (i = 0; i < screenInfo.numScreens; i++)
+ RootlessEnableRoot (screenInfo.screens[i]);
+ }
+}
diff --git a/xorg-server/miext/rootless/rootlessWindow.c b/xorg-server/miext/rootless/rootlessWindow.c
index 55c7b9689..2f412ee43 100644
--- a/xorg-server/miext/rootless/rootlessWindow.c
+++ b/xorg-server/miext/rootless/rootlessWindow.c
@@ -1,1656 +1,1656 @@
-/*
- * Rootless window management
- */
-/*
- * Copyright (c) 2001 Greg Parker. All Rights Reserved.
- * Copyright (c) 2002-2004 Torrey T. Lyons. All Rights Reserved.
- * Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice 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 <dix-config.h>
-#endif
-
-#include <stddef.h> /* For NULL */
-#include <limits.h> /* For CHAR_BIT */
-#include <assert.h>
-#include <X11/Xatom.h>
-#ifdef __APPLE__
-#include <Xplugin.h>
-#include "mi.h"
-#include "pixmapstr.h"
-#include "windowstr.h"
-//#include <X11/extensions/applewm.h>
-extern int darwinMainScreenX, darwinMainScreenY;
-extern Bool no_configure_window;
-#endif
-#include "fb.h"
-
-#include "rootlessCommon.h"
-#include "rootlessWindow.h"
-
-#ifdef ROOTLESS_GLOBAL_COORDS
-#define SCREEN_TO_GLOBAL_X \
- (dixScreenOrigins[pScreen->myNum].x + rootlessGlobalOffsetX)
-#define SCREEN_TO_GLOBAL_Y \
- (dixScreenOrigins[pScreen->myNum].y + rootlessGlobalOffsetY)
-#else
-#define SCREEN_TO_GLOBAL_X 0
-#define SCREEN_TO_GLOBAL_Y 0
-#endif
-
-#define DEFINE_ATOM_HELPER(func,atom_name) \
- static Atom func (void) { \
- static unsigned int generation = 0; \
- static Atom atom; \
- if (generation != serverGeneration) { \
- generation = serverGeneration; \
- atom = MakeAtom (atom_name, strlen (atom_name), TRUE); \
- } \
- return atom; \
- }
-
-DEFINE_ATOM_HELPER (xa_native_window_id, "_NATIVE_WINDOW_ID")
-
-static Bool windows_hidden;
-// TODO - abstract xp functions
-
-#ifdef __APPLE__
-
-// XXX: identical to x_cvt_vptr_to_uint ?
-#define MAKE_WINDOW_ID(x) ((xp_window_id)((size_t)(x)))
-
-void
-RootlessNativeWindowStateChanged (WindowPtr pWin, unsigned int state)
-{
- RootlessWindowRec *winRec;
-
- if (pWin == NULL) return;
-
- winRec = WINREC (pWin);
- if (winRec == NULL) return;
-
- winRec->is_offscreen = ((state & XP_WINDOW_STATE_OFFSCREEN) != 0);
- winRec->is_obscured = ((state & XP_WINDOW_STATE_OBSCURED) != 0);
- pWin->rootlessUnhittable = winRec->is_offscreen;
-}
-
-void RootlessNativeWindowMoved (WindowPtr pWin) {
- xp_box bounds;
- int sx, sy, err;
- XID vlist[2];
- Mask mask;
- ClientPtr pClient;
- RootlessWindowRec *winRec;
-
- winRec = WINREC(pWin);
-
- if (xp_get_window_bounds (MAKE_WINDOW_ID(winRec->wid), &bounds) != Success) return;
-
- sx = dixScreenOrigins[pWin->drawable.pScreen->myNum].x + darwinMainScreenX;
- sy = dixScreenOrigins[pWin->drawable.pScreen->myNum].y + darwinMainScreenY;
-
- /* Fake up a ConfigureWindow packet to resize the window to the current bounds. */
- vlist[0] = (INT16) bounds.x1 - sx;
- vlist[1] = (INT16) bounds.y1 - sy;
- mask = CWX | CWY;
-
- /* pretend we're the owner of the window! */
- err = dixLookupClient(&pClient, pWin->drawable.id, serverClient, DixUnknownAccess);
- if(err != Success) {
- ErrorF("RootlessNativeWindowMoved(): Failed to lookup window: 0x%x\n", (unsigned int)pWin->drawable.id);
- return;
- }
-
- /* Don't want to do anything to the physical window (avoids
- notification-response feedback loops) */
-
- no_configure_window = TRUE;
- ConfigureWindow (pWin, mask, vlist, pClient);
- no_configure_window = FALSE;
-}
-
-#endif /* __APPLE__ */
-
-/*
- * RootlessCreateWindow
- * For now, don't create a physical window until either the window is
- * realized, or we really need it (e.g. to attach VRAM surfaces to).
- * Do reset the window size so it's not clipped by the root window.
- */
-Bool
-RootlessCreateWindow(WindowPtr pWin)
-{
- Bool result;
- RegionRec saveRoot;
-
- SETWINREC(pWin, NULL);
- dixSetPrivate(&pWin->devPrivates, rootlessWindowOldPixmapPrivateKey, NULL);
-
- SCREEN_UNWRAP(pWin->drawable.pScreen, CreateWindow);
-
- if (!IsRoot(pWin)) {
- /* win/border size set by DIX, not by wrapped CreateWindow, so
- correct it here. Don't HUGE_ROOT when pWin is the root! */
-
- HUGE_ROOT(pWin);
- SetWinSize(pWin);
- SetBorderSize(pWin);
- }
-
- result = pWin->drawable.pScreen->CreateWindow(pWin);
-
- if (pWin->parent) {
- NORMAL_ROOT(pWin);
- }
-
- SCREEN_WRAP(pWin->drawable.pScreen, CreateWindow);
-
- return result;
-}
-
-
-/*
- * RootlessDestroyFrame
- * Destroy the physical window associated with the given window.
- */
-static void
-RootlessDestroyFrame(WindowPtr pWin, RootlessWindowPtr winRec)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
-
- SCREENREC(pScreen)->imp->DestroyFrame(winRec->wid);
-
-#ifdef ROOTLESS_TRACK_DAMAGE
- REGION_UNINIT(pScreen, &winRec->damage);
-#endif
-
- xfree(winRec);
- SETWINREC(pWin, NULL);
-}
-
-
-/*
- * RootlessDestroyWindow
- * Destroy the physical window associated with the given window.
- */
-Bool
-RootlessDestroyWindow(WindowPtr pWin)
-{
- RootlessWindowRec *winRec = WINREC(pWin);
- Bool result;
-
- if (winRec != NULL) {
- RootlessDestroyFrame(pWin, winRec);
- }
-
- SCREEN_UNWRAP(pWin->drawable.pScreen, DestroyWindow);
- result = pWin->drawable.pScreen->DestroyWindow(pWin);
- SCREEN_WRAP(pWin->drawable.pScreen, DestroyWindow);
-
- return result;
-}
-
-
-
-static Bool
-RootlessGetShape(WindowPtr pWin, RegionPtr pShape)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
-
- /*
- * Avoid a warning.
- * REGION_NULL and the other macros don't actually seem to use pScreen.
- */
- (void)pScreen;
-
- if (wBoundingShape(pWin) == NULL)
- return FALSE;
-
- /* wBoundingShape is relative to *inner* origin of window.
- Translate by borderWidth to get the outside-relative position. */
-
- REGION_NULL(pScreen, pShape);
- REGION_COPY(pScreen, pShape, wBoundingShape(pWin));
- REGION_TRANSLATE(pScreen, pShape, pWin->borderWidth, pWin->borderWidth);
-
- return TRUE;
-}
-
-
-/*
- * RootlessReshapeFrame
- * Set the frame shape.
- */
-static void RootlessReshapeFrame(WindowPtr pWin)
-{
- RootlessWindowRec *winRec = WINREC(pWin);
- ScreenPtr pScreen = pWin->drawable.pScreen;
- RegionRec newShape;
- RegionPtr pShape;
-
- // If the window is not yet framed, do nothing
- if (winRec == NULL)
- return;
-
- if (IsRoot(pWin))
- return;
-
- RootlessStopDrawing(pWin, FALSE);
-
- pShape = RootlessGetShape(pWin, &newShape) ? &newShape : NULL;
-
-#ifdef ROOTLESSDEBUG
- RL_DEBUG_MSG("reshaping...");
- if (pShape != NULL) {
- RL_DEBUG_MSG("numrects %d, extents %d %d %d %d ",
- REGION_NUM_RECTS(&newShape),
- newShape.extents.x1, newShape.extents.y1,
- newShape.extents.x2, newShape.extents.y2);
- } else {
- RL_DEBUG_MSG("no shape ");
- }
-#endif
-
- SCREENREC(pScreen)->imp->ReshapeFrame(winRec->wid, pShape);
-
- if (pShape != NULL)
- REGION_UNINIT(pScreen, &newShape);
-}
-
-
-/*
- * RootlessSetShape
- * Shape is usually set before a window is mapped and the window will
- * not have a frame associated with it. In this case, the frame will be
- * shaped when the window is framed.
- */
-void
-RootlessSetShape(WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
-
- SCREEN_UNWRAP(pScreen, SetShape);
- pScreen->SetShape(pWin);
- SCREEN_WRAP(pScreen, SetShape);
-
- RootlessReshapeFrame(pWin);
-}
-
-
-
-/* Disallow ParentRelative background on top-level windows
- because the root window doesn't really have the right background.
- */
-Bool
-RootlessChangeWindowAttributes(WindowPtr pWin, unsigned long vmask)
-{
- Bool result;
- ScreenPtr pScreen = pWin->drawable.pScreen;
-
- RL_DEBUG_MSG("change window attributes start ");
-
- SCREEN_UNWRAP(pScreen, ChangeWindowAttributes);
- result = pScreen->ChangeWindowAttributes(pWin, vmask);
- SCREEN_WRAP(pScreen, ChangeWindowAttributes);
-
- if (WINREC(pWin)) {
- // disallow ParentRelative background state
- if (pWin->backgroundState == ParentRelative) {
- XID pixel = 0;
- ChangeWindowAttributes(pWin, CWBackPixel, &pixel, serverClient);
- }
- }
-
- RL_DEBUG_MSG("change window attributes end\n");
- return result;
-}
-
-
-/*
- * RootlessPositionWindow
- * This is a hook for when DIX moves or resizes a window.
- * Update the frame position now although the physical window is moved
- * in RootlessMoveWindow. (x, y) are *inside* position. After this,
- * mi and fb are expecting the pixmap to be at the new location.
- */
-Bool
-RootlessPositionWindow(WindowPtr pWin, int x, int y)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- RootlessWindowRec *winRec = WINREC(pWin);
- Bool result;
-
- RL_DEBUG_MSG("positionwindow start (win 0x%x @ %i, %i)\n", pWin, x, y);
-
- if (winRec) {
- if (winRec->is_drawing) {
- // Reset frame's pixmap and move it to the new position.
- int bw = wBorderWidth(pWin);
-
- winRec->pixmap->devPrivate.ptr = winRec->pixelData;
- SetPixmapBaseToScreen(winRec->pixmap, x - bw, y - bw);
-
-#ifdef ROOTLESS_TRACK_DAMAGE
- // Move damaged region to correspond to new window position
- if (REGION_NOTEMPTY(pScreen, &winRec->damage)) {
- REGION_TRANSLATE(pScreen, &winRec->damage,
- x - bw - winRec->x,
- y - bw - winRec->y);
- }
-#endif
- }
- }
-
- SCREEN_UNWRAP(pScreen, PositionWindow);
- result = pScreen->PositionWindow(pWin, x, y);
- SCREEN_WRAP(pScreen, PositionWindow);
-
- RL_DEBUG_MSG("positionwindow end\n");
- return result;
-}
-
-
-/*
- * RootlessInitializeFrame
- * Initialize some basic attributes of the frame. Note that winRec
- * may already have valid data in it, so don't overwrite anything
- * valuable.
- */
-static void
-RootlessInitializeFrame(WindowPtr pWin, RootlessWindowRec *winRec)
-{
- DrawablePtr d = &pWin->drawable;
- int bw = wBorderWidth(pWin);
-
- winRec->win = pWin;
-
- winRec->x = d->x - bw;
- winRec->y = d->y - bw;
- winRec->width = d->width + 2*bw;
- winRec->height = d->height + 2*bw;
- winRec->borderWidth = bw;
-
-#ifdef ROOTLESS_TRACK_DAMAGE
- REGION_NULL(pScreen, &winRec->damage);
-#endif
-}
-
-/*
- * RootlessEnsureFrame
- * Make sure the given window is framed. If the window doesn't have a
- * physical window associated with it, attempt to create one. If that
- * is unsuccessful, return NULL.
- */
-static RootlessWindowRec *
-RootlessEnsureFrame(WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- RootlessWindowRec *winRec;
- RegionRec shape;
- RegionPtr pShape = NULL;
-
- if (WINREC(pWin) != NULL)
- return WINREC(pWin);
-
- if (!IsTopLevel(pWin) && !IsRoot(pWin))
- return NULL;
-
- if (pWin->drawable.class != InputOutput)
- return NULL;
-
- winRec = xalloc(sizeof(RootlessWindowRec));
-
- if (!winRec)
- return NULL;
-
- RootlessInitializeFrame(pWin, winRec);
-
- winRec->is_drawing = FALSE;
- winRec->is_reorder_pending = FALSE;
- winRec->pixmap = NULL;
- winRec->wid = NULL;
- winRec->level = 0;
-
- SETWINREC(pWin, winRec);
-
- // Set the frame's shape if the window is shaped
- if (RootlessGetShape(pWin, &shape))
- pShape = &shape;
-
- RL_DEBUG_MSG("creating frame ");
-
- if (!SCREENREC(pScreen)->imp->CreateFrame(winRec, pScreen,
- winRec->x + SCREEN_TO_GLOBAL_X,
- winRec->y + SCREEN_TO_GLOBAL_Y,
- pShape))
- {
- RL_DEBUG_MSG("implementation failed to create frame!\n");
- xfree(winRec);
- SETWINREC(pWin, NULL);
- return NULL;
- }
-
- if (pWin->drawable.depth == 8)
- RootlessFlushWindowColormap(pWin);
-
- if (pShape != NULL)
- REGION_UNINIT(pScreen, &shape);
-
- return winRec;
-}
-
-
-/*
- * RootlessRealizeWindow
- * The frame is usually created here and not in CreateWindow so that
- * windows do not eat memory until they are realized.
- */
-Bool
-RootlessRealizeWindow(WindowPtr pWin)
-{
- Bool result;
- RegionRec saveRoot;
- ScreenPtr pScreen = pWin->drawable.pScreen;
-
- RL_DEBUG_MSG("realizewindow start (win 0x%x) ", pWin);
-
- if ((IsTopLevel(pWin) && pWin->drawable.class == InputOutput)) {
- RootlessWindowRec *winRec;
-
- winRec = RootlessEnsureFrame(pWin);
- if (winRec == NULL)
- return FALSE;
-
- winRec->is_reorder_pending = TRUE;
-
- RL_DEBUG_MSG("Top level window ");
-
- // Disallow ParentRelative background state on top-level windows.
- // This might have been set before the window was mapped.
- if (pWin->backgroundState == ParentRelative) {
- XID pixel = 0;
- ChangeWindowAttributes(pWin, CWBackPixel, &pixel, serverClient);
- }
- }
-
- if (!IsRoot(pWin)) HUGE_ROOT(pWin);
- SCREEN_UNWRAP(pScreen, RealizeWindow);
- result = pScreen->RealizeWindow(pWin);
- SCREEN_WRAP(pScreen, RealizeWindow);
- if (!IsRoot(pWin)) NORMAL_ROOT(pWin);
-
- RL_DEBUG_MSG("realizewindow end\n");
- return result;
-}
-
-
-/*
- * RootlessFrameForWindow
- * Returns the frame ID for the physical window displaying the given window.
- * If CREATE is true and the window has no frame, attempt to create one.
- */
-RootlessFrameID
-RootlessFrameForWindow(WindowPtr pWin, Bool create)
-{
- WindowPtr pTopWin;
- RootlessWindowRec *winRec;
-
- pTopWin = TopLevelParent(pWin);
- if (pTopWin == NULL)
- return NULL;
-
- winRec = WINREC(pTopWin);
-
- if (winRec == NULL && create && pWin->drawable.class == InputOutput) {
- winRec = RootlessEnsureFrame(pTopWin);
- }
-
- if (winRec == NULL)
- return NULL;
-
- return winRec->wid;
-}
-
-
-/*
- * RootlessUnrealizeWindow
- * Unmap the physical window.
- */
-Bool
-RootlessUnrealizeWindow(WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- RootlessWindowRec *winRec = WINREC(pWin);
- Bool result;
-
- RL_DEBUG_MSG("unrealizewindow start ");
-
- if (winRec) {
- RootlessStopDrawing(pWin, FALSE);
-
- SCREENREC(pScreen)->imp->UnmapFrame(winRec->wid);
-
- winRec->is_reorder_pending = FALSE;
- }
-
- SCREEN_UNWRAP(pScreen, UnrealizeWindow);
- result = pScreen->UnrealizeWindow(pWin);
- SCREEN_WRAP(pScreen, UnrealizeWindow);
-
- RL_DEBUG_MSG("unrealizewindow end\n");
- return result;
-}
-
-
-/*
- * RootlessReorderWindow
- * Reorder the frame associated with the given window so that it's
- * physically above the window below it in the X stacking order.
- */
-void
-RootlessReorderWindow(WindowPtr pWin)
-{
- RootlessWindowRec *winRec = WINREC(pWin);
-
- if (pWin->realized && winRec != NULL && !winRec->is_reorder_pending && !windows_hidden) {
- WindowPtr newPrevW;
- RootlessWindowRec *newPrev;
- RootlessFrameID newPrevID;
- ScreenPtr pScreen = pWin->drawable.pScreen;
-
- /* Check if the implementation wants the frame to not be reordered
- even though the X11 window is restacked. This can be useful if
- frames are ordered-in with animation so that the reordering is not
- done until the animation is complete. */
- if (SCREENREC(pScreen)->imp->DoReorderWindow) {
- if (!SCREENREC(pScreen)->imp->DoReorderWindow(winRec))
- return;
- }
-
- RootlessStopDrawing(pWin, FALSE);
-
- /* Find the next window above this one that has a mapped frame. */
-
- newPrevW = pWin->prevSib;
- while (newPrevW && (WINREC(newPrevW) == NULL || !newPrevW->realized))
- newPrevW = newPrevW->prevSib;
-
- newPrev = newPrevW != NULL ? WINREC(newPrevW) : NULL;
- newPrevID = newPrev != NULL ? newPrev->wid : 0;
-
- /* If it exists, reorder the frame above us first. */
-
- if (newPrev && newPrev->is_reorder_pending) {
- newPrev->is_reorder_pending = FALSE;
- RootlessReorderWindow(newPrevW);
- }
-
- SCREENREC(pScreen)->imp->RestackFrame(winRec->wid, newPrevID);
- }
-}
-
-
-/*
- * RootlessRestackWindow
- * This is a hook for when DIX changes the window stacking order.
- * The window has already been inserted into its new position in the
- * DIX window stack. We need to change the order of the physical
- * window to match.
- */
-void
-RootlessRestackWindow(WindowPtr pWin, WindowPtr pOldNextSib)
-{
- RegionRec saveRoot;
- RootlessWindowRec *winRec = WINREC(pWin);
- ScreenPtr pScreen = pWin->drawable.pScreen;
-
- RL_DEBUG_MSG("restackwindow start ");
- if (winRec)
- RL_DEBUG_MSG("restack top level \n");
-
- HUGE_ROOT(pWin);
- SCREEN_UNWRAP(pScreen, RestackWindow);
-
- if (pScreen->RestackWindow)
- pScreen->RestackWindow(pWin, pOldNextSib);
-
- SCREEN_WRAP(pScreen, RestackWindow);
- NORMAL_ROOT(pWin);
-
- if (winRec && pWin->viewable) {
- RootlessReorderWindow(pWin);
- }
-
- RL_DEBUG_MSG("restackwindow end\n");
-}
-
-/*
- * Specialized window copy procedures
- */
-
-// Globals needed during window resize and move.
-static pointer gResizeDeathBits = NULL;
-static int gResizeDeathCount = 0;
-static PixmapPtr gResizeDeathPix[2] = {NULL, NULL};
-static BoxRec gResizeDeathBounds[2];
-static CopyWindowProcPtr gResizeOldCopyWindowProc = NULL;
-
-/*
- * RootlessNoCopyWindow
- * CopyWindow() that doesn't do anything. For MoveWindow() of
- * top-level windows.
- */
-static void
-RootlessNoCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg,
- RegionPtr prgnSrc)
-{
- // some code expects the region to be translated
- int dx = ptOldOrg.x - pWin->drawable.x;
- int dy = ptOldOrg.y - pWin->drawable.y;
-
- RL_DEBUG_MSG("ROOTLESSNOCOPYWINDOW ");
-
- REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy);
-}
-
-
-/*
- * RootlessResizeCopyWindow
- * CopyWindow used during ResizeWindow for gravity moves. Based on
- * fbCopyWindow. The original always draws on the root pixmap, which
- * we don't have. Instead, draw on the parent window's pixmap.
- * Resize version: the old location's pixels are in gResizeCopyWindowSource.
- */
-static void
-RootlessResizeCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg,
- RegionPtr prgnSrc)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- RegionRec rgnDst;
- int dx, dy;
-
- RL_DEBUG_MSG("resizecopywindowFB start (win 0x%x) ", pWin);
-
- /* Don't unwrap pScreen->CopyWindow.
- The bogus rewrap with RootlessCopyWindow causes a crash if
- CopyWindow is called again during the same resize. */
-
- if (gResizeDeathCount == 0)
- return;
-
- RootlessStartDrawing(pWin);
-
- dx = ptOldOrg.x - pWin->drawable.x;
- dy = ptOldOrg.y - pWin->drawable.y;
- REGION_TRANSLATE(pScreen, prgnSrc, -dx, -dy);
- REGION_NULL(pScreen, &rgnDst);
- REGION_INTERSECT(pScreen, &rgnDst, &pWin->borderClip, prgnSrc);
-
- if (gResizeDeathCount == 1) {
- /* Simple case, we only have a single source pixmap. */
-
- fbCopyRegion(&gResizeDeathPix[0]->drawable,
- &pScreen->GetWindowPixmap(pWin)->drawable, 0,
- &rgnDst, dx, dy, fbCopyWindowProc, 0, 0);
- }
- else {
- int i;
- RegionRec clip, clipped;
-
- /* More complex case, N source pixmaps (usually two). So we
- intersect the destination with each source and copy those bits. */
-
- for (i = 0; i < gResizeDeathCount; i++) {
- REGION_INIT(pScreen, &clip, gResizeDeathBounds + 0, 1);
- REGION_NULL(pScreen, &clipped);
- REGION_INTERSECT(pScreen, &rgnDst, &clip, &clipped);
-
- fbCopyRegion(&gResizeDeathPix[i]->drawable,
- &pScreen->GetWindowPixmap(pWin)->drawable, 0,
- &clipped, dx, dy, fbCopyWindowProc, 0, 0);
-
- REGION_UNINIT(pScreen, &clipped);
- REGION_UNINIT(pScreen, &clip);
- }
- }
-
- /* Don't update - resize will update everything */
- REGION_UNINIT(pScreen, &rgnDst);
-
- fbValidateDrawable(&pWin->drawable);
-
- RL_DEBUG_MSG("resizecopywindowFB end\n");
-}
-
-
-/*
- * RootlessCopyWindow
- * Update *new* location of window. Old location is redrawn with
- * miPaintWindow. Cloned from fbCopyWindow.
- * The original always draws on the root pixmap, which we don't have.
- * Instead, draw on the parent window's pixmap.
- */
-void
-RootlessCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- RegionRec rgnDst;
- int dx, dy;
- BoxPtr extents;
- int area;
-
- RL_DEBUG_MSG("copywindowFB start (win 0x%x) ", pWin);
-
- SCREEN_UNWRAP(pScreen, CopyWindow);
-
- dx = ptOldOrg.x - pWin->drawable.x;
- dy = ptOldOrg.y - pWin->drawable.y;
- REGION_TRANSLATE(pScreen, prgnSrc, -dx, -dy);
-
- REGION_NULL(pScreen, &rgnDst);
- REGION_INTERSECT(pScreen, &rgnDst, &pWin->borderClip, prgnSrc);
-
- extents = REGION_EXTENTS(pScreen, &rgnDst);
- area = (extents->x2 - extents->x1) * (extents->y2 - extents->y1);
-
- /* If the area exceeds threshold, use the implementation's
- accelerated version. */
- if (area > rootless_CopyWindow_threshold &&
- SCREENREC(pScreen)->imp->CopyWindow)
- {
- RootlessWindowRec *winRec;
- WindowPtr top;
-
- top = TopLevelParent(pWin);
- if (top == NULL) {
- RL_DEBUG_MSG("no parent\n");
- goto out;
- }
-
- winRec = WINREC(top);
- if (winRec == NULL) {
- RL_DEBUG_MSG("not framed\n");
- goto out;
- }
-
- /* Move region to window local coords */
- REGION_TRANSLATE(pScreen, &rgnDst, -winRec->x, -winRec->y);
-
- RootlessStopDrawing(pWin, FALSE);
-
- SCREENREC(pScreen)->imp->CopyWindow(winRec->wid,
- REGION_NUM_RECTS(&rgnDst),
- REGION_RECTS(&rgnDst),
- dx, dy);
- }
- else {
- RootlessStartDrawing(pWin);
-
- fbCopyRegion((DrawablePtr) pWin, (DrawablePtr) pWin,
- 0, &rgnDst, dx, dy, fbCopyWindowProc, 0, 0);
-
- /* prgnSrc has been translated to dst position */
- RootlessDamageRegion(pWin, prgnSrc);
- }
-
-out:
- REGION_UNINIT(pScreen, &rgnDst);
- fbValidateDrawable(&pWin->drawable);
-
- SCREEN_WRAP(pScreen, CopyWindow);
-
- RL_DEBUG_MSG("copywindowFB end\n");
-}
-
-
-/*
- * Window resize procedures
- */
-
-enum {
- WIDTH_SMALLER = 1,
- HEIGHT_SMALLER = 2,
-};
-
-
-/*
- * ResizeWeighting
- * Choose gravity to avoid local copies. Do that by looking for
- * a corner that doesn't move _relative to the screen_.
- */
-static inline unsigned int
-ResizeWeighting(int oldX1, int oldY1, int oldX2, int oldY2, int oldBW,
- int newX1, int newY1, int newX2, int newY2, int newBW)
-{
-#ifdef ROOTLESS_RESIZE_GRAVITY
- if (newBW != oldBW)
- return RL_GRAVITY_NONE;
-
- if (newX1 == oldX1 && newY1 == oldY1)
- return RL_GRAVITY_NORTH_WEST;
- else if (newX1 == oldX1 && newY2 == oldY2)
- return RL_GRAVITY_SOUTH_WEST;
- else if (newX2 == oldX2 && newY2 == oldY2)
- return RL_GRAVITY_SOUTH_EAST;
- else if (newX2 == oldX2 && newY1 == oldY1)
- return RL_GRAVITY_NORTH_EAST;
- else
- return RL_GRAVITY_NONE;
-#else
- return RL_GRAVITY_NONE;
-#endif
-}
-
-
-/*
- * StartFrameResize
- * Prepare to resize a top-level window. The old window's pixels are
- * saved and the implementation is told to change the window size.
- * (x,y,w,h) is outer frame of window (outside border)
- */
-static Bool
-StartFrameResize(WindowPtr pWin, Bool gravity,
- int oldX, int oldY, int oldW, int oldH, int oldBW,
- int newX, int newY, int newW, int newH, int newBW)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- RootlessWindowRec *winRec = WINREC(pWin);
- Bool need_window_source = FALSE, resize_after = FALSE;
-
- BoxRec rect;
- int oldX2, newX2;
- int oldY2, newY2;
- unsigned int weight;
-
- oldX2 = oldX + oldW, newX2 = newX + newW;
- oldY2 = oldY + oldH, newY2 = newY + newH;
-
- /* Decide which resize weighting to use */
- weight = ResizeWeighting(oldX, oldY, oldW, oldH, oldBW,
- newX, newY, newW, newH, newBW);
-
- /* Compute intersection between old and new rects */
- rect.x1 = max(oldX, newX);
- rect.y1 = max(oldY, newY);
- rect.x2 = min(oldX2, newX2);
- rect.y2 = min(oldY2, newY2);
-
- RL_DEBUG_MSG("RESIZE TOPLEVEL WINDOW with gravity %i ", gravity);
- RL_DEBUG_MSG("%d %d %d %d %d %d %d %d %d %d\n",
- oldX, oldY, oldW, oldH, oldBW,
- newX, newY, newW, newH, newBW);
-
- RootlessRedisplay(pWin);
-
- /* If gravity is true, then we need to have a way of recovering all
- the original bits in the window for when X rearranges the contents
- based on the various gravity settings. The obvious way is to just
- snapshot the entire backing store before resizing it, but that
- it slow on large windows.
-
- So the optimization here is to use the implementation's resize
- weighting options (if available) to allow us to reason about what
- is left in the backing store after the resize. We can then only
- copy what won't be there after the resize, and do a two-stage copy
- operation.
-
- Most of these optimizations are only applied when the top-left
- corner of the window is fixed, since that's the common case. They
- could probably be extended with some thought. */
-
- gResizeDeathCount = 0;
-
- if (gravity && weight == RL_GRAVITY_NORTH_WEST) {
- unsigned int code = 0;
-
- /* Top left corner is anchored. We never need to copy the
- entire window. */
-
- need_window_source = TRUE;
-
- /* These comparisons were chosen to avoid setting bits when the sizes
- are the same. (So the fastest case automatically gets taken when
- dimensions are unchanging.) */
-
- if (newW < oldW)
- code |= WIDTH_SMALLER;
- if (newH < oldH)
- code |= HEIGHT_SMALLER;
-
- if (((code ^ (code >> 1)) & 1) == 0) {
- /* Both dimensions are either getting larger, or both
- are getting smaller. No need to copy anything. */
-
- if (code == (WIDTH_SMALLER | HEIGHT_SMALLER)) {
- /* Since the window is getting smaller, we can do gravity
- repair on it with it's current size, then resize it
- afterwards. */
-
- resize_after = TRUE;
- }
-
- gResizeDeathCount = 1;
- }
- else {
- unsigned int copy_rowbytes, Bpp;
- unsigned int copy_rect_width, copy_rect_height;
- BoxRec copy_rect;
-
- /* We can get away with a partial copy. 'rect' is the
- intersection between old and new bounds, so copy
- everything to the right of or below the intersection. */
-
- RootlessStartDrawing(pWin);
-
- if (code == WIDTH_SMALLER) {
- copy_rect.x1 = rect.x2;
- copy_rect.y1 = rect.y1;
- copy_rect.x2 = oldX2;
- copy_rect.y2 = oldY2;
- }
- else if (code == HEIGHT_SMALLER) {
- copy_rect.x1 = rect.x1;
- copy_rect.y1 = rect.y2;
- copy_rect.x2 = oldX2;
- copy_rect.y2 = oldY2;
- }
- else
- OsAbort();
-
- Bpp = winRec->win->drawable.bitsPerPixel / 8;
- copy_rect_width = copy_rect.x2 - copy_rect.x1;
- copy_rect_height = copy_rect.y2 - copy_rect.y1;
- copy_rowbytes = ((copy_rect_width * Bpp) + 31) & ~31;
- gResizeDeathBits = xalloc(copy_rowbytes
- * copy_rect_height);
-
- if (copy_rect_width * copy_rect_height >
- rootless_CopyBytes_threshold &&
- SCREENREC(pScreen)->imp->CopyBytes)
- {
- SCREENREC(pScreen)->imp->CopyBytes(
- copy_rect_width * Bpp, copy_rect_height,
- ((char *) winRec->pixelData)
- + ((copy_rect.y1 - oldY) * winRec->bytesPerRow)
- + (copy_rect.x1 - oldX) * Bpp, winRec->bytesPerRow,
- gResizeDeathBits, copy_rowbytes);
- } else {
- fbBlt((FbBits *) (winRec->pixelData
- + ((copy_rect.y1 - oldY) * winRec->bytesPerRow)
- + (copy_rect.x1 - oldX) * Bpp),
- winRec->bytesPerRow / sizeof(FbBits), 0,
- (FbBits *) gResizeDeathBits,
- copy_rowbytes / sizeof(FbBits), 0,
- copy_rect_width * Bpp, copy_rect_height,
- GXcopy, FB_ALLONES, Bpp, 0, 0);
- }
-
- gResizeDeathBounds[1] = copy_rect;
- gResizeDeathPix[1]
- = GetScratchPixmapHeader(pScreen, copy_rect_width,
- copy_rect_height,
- winRec->win->drawable.depth,
- winRec->win->drawable.bitsPerPixel,
- winRec->bytesPerRow,
- (void *) gResizeDeathBits);
-
- SetPixmapBaseToScreen(gResizeDeathPix[1],
- copy_rect.x1, copy_rect.y1);
-
- gResizeDeathCount = 2;
- }
- }
- else if (gravity) {
- /* The general case. Just copy everything. */
-
- RootlessStartDrawing(pWin);
-
- gResizeDeathBits = xalloc(winRec->bytesPerRow * winRec->height);
-
- memcpy(gResizeDeathBits, winRec->pixelData,
- winRec->bytesPerRow * winRec->height);
-
- gResizeDeathBounds[0] = (BoxRec) {oldX, oldY, oldX2, oldY2};
- gResizeDeathPix[0]
- = GetScratchPixmapHeader(pScreen, winRec->width,
- winRec->height,
- winRec->win->drawable.depth,
- winRec->win->drawable.bitsPerPixel,
- winRec->bytesPerRow,
- (void *) gResizeDeathBits);
-
- SetPixmapBaseToScreen(gResizeDeathPix[0], oldX, oldY);
- gResizeDeathCount = 1;
- }
-
- RootlessStopDrawing(pWin, FALSE);
-
- winRec->x = newX;
- winRec->y = newY;
- winRec->width = newW;
- winRec->height = newH;
- winRec->borderWidth = newBW;
-
- /* Unless both dimensions are getting smaller, Resize the frame
- before doing gravity repair */
-
- if (!resize_after) {
- SCREENREC(pScreen)->imp->ResizeFrame(winRec->wid, pScreen,
- newX + SCREEN_TO_GLOBAL_X,
- newY + SCREEN_TO_GLOBAL_Y,
- newW, newH, weight);
- }
-
- RootlessStartDrawing(pWin);
-
- /* If necessary, create a source pixmap pointing at the current
- window bits. */
-
- if (need_window_source) {
- gResizeDeathBounds[0] = (BoxRec) {oldX, oldY, oldX2, oldY2};
- gResizeDeathPix[0]
- = GetScratchPixmapHeader(pScreen, oldW, oldH,
- winRec->win->drawable.depth,
- winRec->win->drawable.bitsPerPixel,
- winRec->bytesPerRow, winRec->pixelData);
-
- SetPixmapBaseToScreen(gResizeDeathPix[0], oldX, oldY);
- }
-
- /* Use custom CopyWindow when moving gravity bits around
- ResizeWindow assumes the old window contents are in the same
- pixmap, but here they're in deathPix instead. */
-
- if (gravity) {
- gResizeOldCopyWindowProc = pScreen->CopyWindow;
- pScreen->CopyWindow = RootlessResizeCopyWindow;
- }
-
- /* If we can't rely on the window server preserving the bits we
- need in the position we need, copy the pixels in the
- intersection from src to dst. ResizeWindow assumes these pixels
- are already present when making gravity adjustments. pWin
- currently has new-sized pixmap but is in old position.
-
- FIXME: border width change! (?) */
-
- if (gravity && weight == RL_GRAVITY_NONE) {
- PixmapPtr src, dst;
-
- assert(gResizeDeathCount == 1);
-
- src = gResizeDeathPix[0];
- dst = pScreen->GetWindowPixmap(pWin);
-
- RL_DEBUG_MSG("Resize copy rect %d %d %d %d\n",
- rect.x1, rect.y1, rect.x2, rect.y2);
-
- /* rect is the intersection of the old location and new location */
- if (BOX_NOT_EMPTY(rect) && src != NULL && dst != NULL) {
- /* The window drawable still has the old frame position, which
- means that DST doesn't actually point at the origin of our
- physical backing store when adjusted by the drawable.x,y
- position. So sneakily adjust it temporarily while copying.. */
-
- ((PixmapPtr) dst)->devPrivate.ptr = winRec->pixelData;
- SetPixmapBaseToScreen(dst, newX, newY);
-
- fbCopyWindowProc(&src->drawable, &dst->drawable, NULL,
- &rect, 1, 0, 0, FALSE, FALSE, 0, 0);
-
- ((PixmapPtr) dst)->devPrivate.ptr = winRec->pixelData;
- SetPixmapBaseToScreen(dst, oldX, oldY);
- }
- }
-
- return resize_after;
-}
-
-
-static void
-FinishFrameResize(WindowPtr pWin, Bool gravity, int oldX, int oldY,
- unsigned int oldW, unsigned int oldH, unsigned int oldBW,
- int newX, int newY, unsigned int newW, unsigned int newH,
- unsigned int newBW, Bool resize_now)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- RootlessWindowRec *winRec = WINREC(pWin);
- int i;
-
- RootlessStopDrawing(pWin, FALSE);
-
- if (resize_now) {
- unsigned int weight;
-
- /* We didn't resize anything earlier, so do it now, now that
- we've finished gravitating the bits. */
-
- weight = ResizeWeighting(oldX, oldY, oldW, oldH, oldBW,
- newX, newY, newW, newH, newBW);
-
- SCREENREC(pScreen)->imp->ResizeFrame(winRec->wid, pScreen,
- newX + SCREEN_TO_GLOBAL_X,
- newY + SCREEN_TO_GLOBAL_Y,
- newW, newH, weight);
- }
-
- /* Redraw everything. FIXME: there must be times when we don't need
- to do this. Perhaps when top-left weighting and no gravity? */
-
- RootlessDamageRect(pWin, -newBW, -newBW, newW, newH);
-
- for (i = 0; i < 2; i++) {
- if (gResizeDeathPix[i] != NULL) {
- FreeScratchPixmapHeader(gResizeDeathPix[i]);
- gResizeDeathPix[i] = NULL;
- }
- }
-
- if (gResizeDeathBits != NULL) {
- xfree(gResizeDeathBits);
- gResizeDeathBits = NULL;
- }
-
- if (gravity) {
- pScreen->CopyWindow = gResizeOldCopyWindowProc;
- }
-}
-
-
-/*
- * RootlessMoveWindow
- * If kind==VTOther, window border is resizing (and borderWidth is
- * already changed!!@#$) This case works like window resize, not move.
- */
-void
-RootlessMoveWindow(WindowPtr pWin, int x, int y, WindowPtr pSib, VTKind kind)
-{
- RootlessWindowRec *winRec = WINREC(pWin);
- ScreenPtr pScreen = pWin->drawable.pScreen;
- CopyWindowProcPtr oldCopyWindowProc = NULL;
- int oldX = 0, oldY = 0, newX = 0, newY = 0;
- unsigned int oldW = 0, oldH = 0, oldBW = 0;
- unsigned int newW = 0, newH = 0, newBW = 0;
- Bool resize_after = FALSE;
- RegionRec saveRoot;
-
- RL_DEBUG_MSG("movewindow start \n");
-
- if (winRec) {
- if (kind == VTMove) {
- oldX = winRec->x;
- oldY = winRec->y;
- RootlessRedisplay(pWin);
- RootlessStartDrawing(pWin);
- } else {
- RL_DEBUG_MSG("movewindow border resizing ");
-
- oldBW = winRec->borderWidth;
- oldX = winRec->x;
- oldY = winRec->y;
- oldW = winRec->width;
- oldH = winRec->height;
-
- newBW = wBorderWidth(pWin);
- newX = x;
- newY = y;
- newW = pWin->drawable.width + 2*newBW;
- newH = pWin->drawable.height + 2*newBW;
-
- resize_after = StartFrameResize(pWin, FALSE,
- oldX, oldY, oldW, oldH, oldBW,
- newX, newY, newW, newH, newBW);
- }
- }
-
- HUGE_ROOT(pWin);
- SCREEN_UNWRAP(pScreen, MoveWindow);
-
- if (winRec) {
- oldCopyWindowProc = pScreen->CopyWindow;
- pScreen->CopyWindow = RootlessNoCopyWindow;
- }
- pScreen->MoveWindow(pWin, x, y, pSib, kind);
- if (winRec) {
- pScreen->CopyWindow = oldCopyWindowProc;
- }
-
- NORMAL_ROOT(pWin);
- SCREEN_WRAP(pScreen, MoveWindow);
-
- if (winRec) {
- if (kind == VTMove) {
- winRec->x = x;
- winRec->y = y;
- RootlessStopDrawing(pWin, FALSE);
- SCREENREC(pScreen)->imp->MoveFrame(winRec->wid, pScreen,
- x + SCREEN_TO_GLOBAL_X,
- y + SCREEN_TO_GLOBAL_Y);
- } else {
- FinishFrameResize(pWin, FALSE, oldX, oldY, oldW, oldH, oldBW,
- newX, newY, newW, newH, newBW, resize_after);
- }
- }
-
- RL_DEBUG_MSG("movewindow end\n");
-}
-
-
-/*
- * RootlessResizeWindow
- * Note: (x, y, w, h) as passed to this procedure don't match the frame
- * definition. (x,y) is corner of very outer edge, *outside* border.
- * w,h is width and height *inside* border, *ignoring* border width.
- * The rect (x, y, w, h) doesn't mean anything. (x, y, w+2*bw, h+2*bw)
- * is total rect and (x+bw, y+bw, w, h) is inner rect.
- */
-void
-RootlessResizeWindow(WindowPtr pWin, int x, int y,
- unsigned int w, unsigned int h, WindowPtr pSib)
-{
- RootlessWindowRec *winRec = WINREC(pWin);
- ScreenPtr pScreen = pWin->drawable.pScreen;
- int oldX = 0, oldY = 0, newX = 0, newY = 0;
- unsigned int oldW = 0, oldH = 0, oldBW = 0, newW = 0, newH = 0, newBW = 0;
- Bool resize_after = FALSE;
- RegionRec saveRoot;
-
- RL_DEBUG_MSG("resizewindow start (win 0x%x) ", pWin);
-
- if(pWin->parent) {
- if (winRec) {
- oldBW = winRec->borderWidth;
- oldX = winRec->x;
- oldY = winRec->y;
- oldW = winRec->width;
- oldH = winRec->height;
-
- newBW = oldBW;
- newX = x;
- newY = y;
- newW = w + 2*newBW;
- newH = h + 2*newBW;
-
- resize_after = StartFrameResize(pWin, TRUE,
- oldX, oldY, oldW, oldH, oldBW,
- newX, newY, newW, newH, newBW);
- }
-
- HUGE_ROOT(pWin);
- SCREEN_UNWRAP(pScreen, ResizeWindow);
- pScreen->ResizeWindow(pWin, x, y, w, h, pSib);
- SCREEN_WRAP(pScreen, ResizeWindow);
- NORMAL_ROOT(pWin);
-
- if (winRec) {
- FinishFrameResize(pWin, TRUE, oldX, oldY, oldW, oldH, oldBW,
- newX, newY, newW, newH, newBW, resize_after);
- }
- } else {
- /* Special case for resizing the root window */
- BoxRec box;
-
- pWin->drawable.x = x;
- pWin->drawable.y = y;
- pWin->drawable.width = w;
- pWin->drawable.height = h;
-
- box.x1 = x; box.y1 = y;
- box.x2 = x + w; box.y2 = y + h;
- REGION_UNINIT(pScreen, &pWin->winSize);
- REGION_INIT(pScreen, &pWin->winSize, &box, 1);
- REGION_COPY(pScreen, &pWin->borderSize, &pWin->winSize);
- REGION_COPY(pScreen, &pWin->clipList, &pWin->winSize);
- REGION_COPY(pScreen, &pWin->borderClip, &pWin->winSize);
-
- miSendExposures(pWin, &pWin->borderClip,
- pWin->drawable.x, pWin->drawable.y);
- }
-
- RL_DEBUG_MSG("resizewindow end\n");
-}
-
-
-/*
- * RootlessRepositionWindow
- * Called by the implementation when a window needs to be repositioned to
- * its correct location on the screen. This routine is typically needed
- * due to changes in the underlying window system, such as a screen layout
- * change.
- */
-void
-RootlessRepositionWindow(WindowPtr pWin)
-{
- RootlessWindowRec *winRec = WINREC(pWin);
- ScreenPtr pScreen = pWin->drawable.pScreen;
-
- if (winRec == NULL)
- return;
-
- RootlessStopDrawing(pWin, FALSE);
- SCREENREC(pScreen)->imp->MoveFrame(winRec->wid, pScreen,
- winRec->x + SCREEN_TO_GLOBAL_X,
- winRec->y + SCREEN_TO_GLOBAL_Y);
-
- RootlessReorderWindow(pWin);
-}
-
-
-/*
- * RootlessReparentWindow
- * Called after a window has been reparented. Generally windows are not
- * framed until they are mapped. However, a window may be framed early by the
- * implementation calling RootlessFrameForWindow. (e.g. this could be needed
- * to attach a VRAM surface to it.) If the window is subsequently reparented
- * by the window manager before being mapped, we need to give the frame to
- * the new top-level window.
- */
-void
-RootlessReparentWindow(WindowPtr pWin, WindowPtr pPriorParent)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- RootlessWindowRec *winRec = WINREC(pWin);
- WindowPtr pTopWin;
-
- /* Check that window is not top-level now, but used to be. */
- if (IsRoot(pWin) || IsRoot(pWin->parent)
- || IsTopLevel(pWin) || winRec == NULL)
- {
- goto out;
- }
-
- /* If the formerly top-level window has a frame, we want to give the
- frame to its new top-level parent. If we can't do that, we'll just
- have to jettison it... */
-
- pTopWin = TopLevelParent(pWin);
- assert(pTopWin != pWin);
-
- pWin->rootlessUnhittable = FALSE;
-
- DeleteProperty (serverClient, pWin, xa_native_window_id ());
-
- if (WINREC(pTopWin) != NULL) {
- /* We're screwed. */
- RootlessDestroyFrame(pWin, winRec);
- } else {
- if (!pTopWin->realized && pWin->realized) {
- SCREENREC(pScreen)->imp->UnmapFrame(winRec->wid);
- }
-
- /* Switch the frame record from one to the other. */
-
- SETWINREC(pWin, NULL);
- SETWINREC(pTopWin, winRec);
-
- RootlessInitializeFrame(pTopWin, winRec);
- RootlessReshapeFrame(pTopWin);
-
- SCREENREC(pScreen)->imp->ResizeFrame(winRec->wid, pScreen,
- winRec->x + SCREEN_TO_GLOBAL_X,
- winRec->y + SCREEN_TO_GLOBAL_Y,
- winRec->width, winRec->height,
- RL_GRAVITY_NONE);
-
- if (SCREENREC(pScreen)->imp->SwitchWindow) {
- SCREENREC(pScreen)->imp->SwitchWindow(winRec, pWin);
- }
-
- if (pTopWin->realized && !pWin->realized)
- winRec->is_reorder_pending = TRUE;
- }
-
-out:
- if (SCREENREC(pScreen)->ReparentWindow) {
- SCREEN_UNWRAP(pScreen, ReparentWindow);
- pScreen->ReparentWindow(pWin, pPriorParent);
- SCREEN_WRAP(pScreen, ReparentWindow);
- }
-}
-
-
-void
-RootlessFlushWindowColormap (WindowPtr pWin)
-{
- RootlessWindowRec *winRec = WINREC (pWin);
- ScreenPtr pScreen = pWin->drawable.pScreen;
-
- if (winRec == NULL)
- return;
-
- RootlessStopDrawing (pWin, FALSE);
-
- if (SCREENREC(pScreen)->imp->UpdateColormap)
- SCREENREC(pScreen)->imp->UpdateColormap(winRec->wid, pScreen);
-}
-
-/*
- * RootlessChangeBorderWidth
- * FIXME: untested!
- * pWin inside corner stays the same; pWin->drawable.[xy] stays the same
- * Frame moves and resizes.
- */
-void
-RootlessChangeBorderWidth(WindowPtr pWin, unsigned int width)
-{
- RegionRec saveRoot;
- Bool resize_after = FALSE;
-
- RL_DEBUG_MSG("change border width ");
-
- if (width != wBorderWidth(pWin)) {
- RootlessWindowRec *winRec = WINREC(pWin);
- int oldX = 0, oldY = 0, newX = 0, newY = 0;
- unsigned int oldW = 0, oldH = 0, oldBW = 0;
- unsigned int newW = 0, newH = 0, newBW = 0;
-
- if (winRec) {
- oldBW = winRec->borderWidth;
- oldX = winRec->x;
- oldY = winRec->y;
- oldW = winRec->width;
- oldH = winRec->height;
-
- newBW = width;
- newX = pWin->drawable.x - newBW;
- newY = pWin->drawable.y - newBW;
- newW = pWin->drawable.width + 2*newBW;
- newH = pWin->drawable.height + 2*newBW;
-
- resize_after = StartFrameResize(pWin, FALSE,
- oldX, oldY, oldW, oldH, oldBW,
- newX, newY, newW, newH, newBW);
- }
-
- HUGE_ROOT(pWin);
- SCREEN_UNWRAP(pWin->drawable.pScreen, ChangeBorderWidth);
- pWin->drawable.pScreen->ChangeBorderWidth(pWin, width);
- SCREEN_WRAP(pWin->drawable.pScreen, ChangeBorderWidth);
- NORMAL_ROOT(pWin);
-
- if (winRec) {
- FinishFrameResize(pWin, FALSE, oldX, oldY, oldW, oldH, oldBW,
- newX, newY, newW, newH, newBW, resize_after);
- }
- }
-
- RL_DEBUG_MSG("change border width end\n");
-}
-
-/*
- * RootlessOrderAllWindows
- * Brings all X11 windows to the top of the window stack
- * (i.e in front of Aqua windows) -- called when X11.app is given focus
- */
-void
-RootlessOrderAllWindows (void)
-{
- int i;
- WindowPtr pWin;
-
- if (windows_hidden)
- return;
-
- RL_DEBUG_MSG("RootlessOrderAllWindows() ");
- for (i = 0; i < screenInfo.numScreens; i++) {
- if (screenInfo.screens[i] == NULL) continue;
- pWin = WindowTable[i];
- if (pWin == NULL) continue;
-
- for (pWin = pWin->firstChild; pWin != NULL; pWin = pWin->nextSib) {
- if (!pWin->realized) continue;
- if (RootlessEnsureFrame(pWin) == NULL) continue;
- RootlessReorderWindow (pWin);
- }
- }
- RL_DEBUG_MSG("RootlessOrderAllWindows() done");
-}
-
-void
-RootlessEnableRoot (ScreenPtr pScreen)
-{
- WindowPtr pRoot;
- pRoot = WindowTable[pScreen->myNum];
-
- RootlessEnsureFrame (pRoot);
- (*pScreen->ClearToBackground) (pRoot, 0, 0, 0, 0, TRUE);
- RootlessReorderWindow (pRoot);
-}
-
-void
-RootlessDisableRoot (ScreenPtr pScreen)
-{
- WindowPtr pRoot;
- RootlessWindowRec *winRec;
-
- pRoot = WindowTable[pScreen->myNum];
- winRec = WINREC (pRoot);
-
- if (NULL == winRec)
- return;
-
- RootlessDestroyFrame (pRoot, winRec);
- DeleteProperty (serverClient, pRoot, xa_native_window_id ());
-}
-
-void
-RootlessHideAllWindows (void)
-{
- int i;
- ScreenPtr pScreen;
- WindowPtr pWin;
- RootlessWindowRec *winRec;
-
- if (windows_hidden)
- return;
-
- windows_hidden = TRUE;
-
- for (i = 0; i < screenInfo.numScreens; i++)
- {
- pScreen = screenInfo.screens[i];
- pWin = WindowTable[i];
- if (pScreen == NULL || pWin == NULL)
- continue;
-
- for (pWin = pWin->firstChild; pWin != NULL; pWin = pWin->nextSib)
- {
- if (!pWin->realized)
- continue;
-
- RootlessStopDrawing (pWin, FALSE);
-
- winRec = WINREC (pWin);
- if (winRec != NULL)
- {
- if (SCREENREC(pScreen)->imp->HideWindow)
- SCREENREC(pScreen)->imp->HideWindow(winRec->wid);
- }
- }
- }
-}
-
-void
-RootlessShowAllWindows (void)
-{
- int i;
- ScreenPtr pScreen;
- WindowPtr pWin;
- RootlessWindowRec *winRec;
-
- if (!windows_hidden)
- return;
-
- windows_hidden = FALSE;
-
- for (i = 0; i < screenInfo.numScreens; i++)
- {
- pScreen = screenInfo.screens[i];
- pWin = WindowTable[i];
- if (pScreen == NULL || pWin == NULL)
- continue;
-
- for (pWin = pWin->firstChild; pWin != NULL; pWin = pWin->nextSib)
- {
- if (!pWin->realized)
- continue;
-
- winRec = RootlessEnsureFrame (pWin);
- if (winRec == NULL)
- continue;
-
- RootlessReorderWindow (pWin);
- }
-
- RootlessScreenExpose (pScreen);
- }
-}
-
-/*
- * SetPixmapOfAncestors
- * Set the Pixmaps on all ParentRelative windows up the ancestor chain.
- */
-void
-RootlessSetPixmapOfAncestors(WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- WindowPtr topWin = TopLevelParent(pWin);
- RootlessWindowRec *topWinRec = WINREC(topWin);
-
- while (pWin->backgroundState == ParentRelative) {
- if (pWin == topWin) {
- // disallow ParentRelative background state on top level
- XID pixel = 0;
- ChangeWindowAttributes(pWin, CWBackPixel, &pixel, serverClient);
- RL_DEBUG_MSG("Cleared ParentRelative on 0x%x.\n", pWin);
- break;
- }
-
- pWin = pWin->parent;
- pScreen->SetWindowPixmap(pWin, topWinRec->pixmap);
- }
-}
-
+/*
+ * Rootless window management
+ */
+/*
+ * Copyright (c) 2001 Greg Parker. All Rights Reserved.
+ * Copyright (c) 2002-2004 Torrey T. Lyons. All Rights Reserved.
+ * Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice 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 <dix-config.h>
+#endif
+
+#include <stddef.h> /* For NULL */
+#include <limits.h> /* For CHAR_BIT */
+#include <assert.h>
+#include <X11/Xatom.h>
+#ifdef __APPLE__
+#include <Xplugin.h>
+#include "mi.h"
+#include "pixmapstr.h"
+#include "windowstr.h"
+//#include <X11/extensions/applewm.h>
+extern int darwinMainScreenX, darwinMainScreenY;
+extern Bool no_configure_window;
+#endif
+#include "fb.h"
+
+#include "rootlessCommon.h"
+#include "rootlessWindow.h"
+
+#ifdef ROOTLESS_GLOBAL_COORDS
+#define SCREEN_TO_GLOBAL_X \
+ (dixScreenOrigins[pScreen->myNum].x + rootlessGlobalOffsetX)
+#define SCREEN_TO_GLOBAL_Y \
+ (dixScreenOrigins[pScreen->myNum].y + rootlessGlobalOffsetY)
+#else
+#define SCREEN_TO_GLOBAL_X 0
+#define SCREEN_TO_GLOBAL_Y 0
+#endif
+
+#define DEFINE_ATOM_HELPER(func,atom_name) \
+ static Atom func (void) { \
+ static unsigned int generation = 0; \
+ static Atom atom; \
+ if (generation != serverGeneration) { \
+ generation = serverGeneration; \
+ atom = MakeAtom (atom_name, strlen (atom_name), TRUE); \
+ } \
+ return atom; \
+ }
+
+DEFINE_ATOM_HELPER (xa_native_window_id, "_NATIVE_WINDOW_ID")
+
+static Bool windows_hidden;
+// TODO - abstract xp functions
+
+#ifdef __APPLE__
+
+// XXX: identical to x_cvt_vptr_to_uint ?
+#define MAKE_WINDOW_ID(x) ((xp_window_id)((size_t)(x)))
+
+void
+RootlessNativeWindowStateChanged (WindowPtr pWin, unsigned int state)
+{
+ RootlessWindowRec *winRec;
+
+ if (pWin == NULL) return;
+
+ winRec = WINREC (pWin);
+ if (winRec == NULL) return;
+
+ winRec->is_offscreen = ((state & XP_WINDOW_STATE_OFFSCREEN) != 0);
+ winRec->is_obscured = ((state & XP_WINDOW_STATE_OBSCURED) != 0);
+ pWin->rootlessUnhittable = winRec->is_offscreen;
+}
+
+void RootlessNativeWindowMoved (WindowPtr pWin) {
+ xp_box bounds;
+ int sx, sy, err;
+ XID vlist[2];
+ Mask mask;
+ ClientPtr pClient;
+ RootlessWindowRec *winRec;
+
+ winRec = WINREC(pWin);
+
+ if (xp_get_window_bounds (MAKE_WINDOW_ID(winRec->wid), &bounds) != Success) return;
+
+ sx = dixScreenOrigins[pWin->drawable.pScreen->myNum].x + darwinMainScreenX;
+ sy = dixScreenOrigins[pWin->drawable.pScreen->myNum].y + darwinMainScreenY;
+
+ /* Fake up a ConfigureWindow packet to resize the window to the current bounds. */
+ vlist[0] = (INT16) bounds.x1 - sx;
+ vlist[1] = (INT16) bounds.y1 - sy;
+ mask = CWX | CWY;
+
+ /* pretend we're the owner of the window! */
+ err = dixLookupClient(&pClient, pWin->drawable.id, serverClient, DixUnknownAccess);
+ if(err != Success) {
+ ErrorF("RootlessNativeWindowMoved(): Failed to lookup window: 0x%x\n", (unsigned int)pWin->drawable.id);
+ return;
+ }
+
+ /* Don't want to do anything to the physical window (avoids
+ notification-response feedback loops) */
+
+ no_configure_window = TRUE;
+ ConfigureWindow (pWin, mask, vlist, pClient);
+ no_configure_window = FALSE;
+}
+
+#endif /* __APPLE__ */
+
+/*
+ * RootlessCreateWindow
+ * For now, don't create a physical window until either the window is
+ * realized, or we really need it (e.g. to attach VRAM surfaces to).
+ * Do reset the window size so it's not clipped by the root window.
+ */
+Bool
+RootlessCreateWindow(WindowPtr pWin)
+{
+ Bool result;
+ RegionRec saveRoot;
+
+ SETWINREC(pWin, NULL);
+ dixSetPrivate(&pWin->devPrivates, rootlessWindowOldPixmapPrivateKey, NULL);
+
+ SCREEN_UNWRAP(pWin->drawable.pScreen, CreateWindow);
+
+ if (!IsRoot(pWin)) {
+ /* win/border size set by DIX, not by wrapped CreateWindow, so
+ correct it here. Don't HUGE_ROOT when pWin is the root! */
+
+ HUGE_ROOT(pWin);
+ SetWinSize(pWin);
+ SetBorderSize(pWin);
+ }
+
+ result = pWin->drawable.pScreen->CreateWindow(pWin);
+
+ if (pWin->parent) {
+ NORMAL_ROOT(pWin);
+ }
+
+ SCREEN_WRAP(pWin->drawable.pScreen, CreateWindow);
+
+ return result;
+}
+
+
+/*
+ * RootlessDestroyFrame
+ * Destroy the physical window associated with the given window.
+ */
+static void
+RootlessDestroyFrame(WindowPtr pWin, RootlessWindowPtr winRec)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ SCREENREC(pScreen)->imp->DestroyFrame(winRec->wid);
+
+#ifdef ROOTLESS_TRACK_DAMAGE
+ REGION_UNINIT(pScreen, &winRec->damage);
+#endif
+
+ free(winRec);
+ SETWINREC(pWin, NULL);
+}
+
+
+/*
+ * RootlessDestroyWindow
+ * Destroy the physical window associated with the given window.
+ */
+Bool
+RootlessDestroyWindow(WindowPtr pWin)
+{
+ RootlessWindowRec *winRec = WINREC(pWin);
+ Bool result;
+
+ if (winRec != NULL) {
+ RootlessDestroyFrame(pWin, winRec);
+ }
+
+ SCREEN_UNWRAP(pWin->drawable.pScreen, DestroyWindow);
+ result = pWin->drawable.pScreen->DestroyWindow(pWin);
+ SCREEN_WRAP(pWin->drawable.pScreen, DestroyWindow);
+
+ return result;
+}
+
+
+
+static Bool
+RootlessGetShape(WindowPtr pWin, RegionPtr pShape)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ /*
+ * Avoid a warning.
+ * REGION_NULL and the other macros don't actually seem to use pScreen.
+ */
+ (void)pScreen;
+
+ if (wBoundingShape(pWin) == NULL)
+ return FALSE;
+
+ /* wBoundingShape is relative to *inner* origin of window.
+ Translate by borderWidth to get the outside-relative position. */
+
+ REGION_NULL(pScreen, pShape);
+ REGION_COPY(pScreen, pShape, wBoundingShape(pWin));
+ REGION_TRANSLATE(pScreen, pShape, pWin->borderWidth, pWin->borderWidth);
+
+ return TRUE;
+}
+
+
+/*
+ * RootlessReshapeFrame
+ * Set the frame shape.
+ */
+static void RootlessReshapeFrame(WindowPtr pWin)
+{
+ RootlessWindowRec *winRec = WINREC(pWin);
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ RegionRec newShape;
+ RegionPtr pShape;
+
+ // If the window is not yet framed, do nothing
+ if (winRec == NULL)
+ return;
+
+ if (IsRoot(pWin))
+ return;
+
+ RootlessStopDrawing(pWin, FALSE);
+
+ pShape = RootlessGetShape(pWin, &newShape) ? &newShape : NULL;
+
+#ifdef ROOTLESSDEBUG
+ RL_DEBUG_MSG("reshaping...");
+ if (pShape != NULL) {
+ RL_DEBUG_MSG("numrects %d, extents %d %d %d %d ",
+ REGION_NUM_RECTS(&newShape),
+ newShape.extents.x1, newShape.extents.y1,
+ newShape.extents.x2, newShape.extents.y2);
+ } else {
+ RL_DEBUG_MSG("no shape ");
+ }
+#endif
+
+ SCREENREC(pScreen)->imp->ReshapeFrame(winRec->wid, pShape);
+
+ if (pShape != NULL)
+ REGION_UNINIT(pScreen, &newShape);
+}
+
+
+/*
+ * RootlessSetShape
+ * Shape is usually set before a window is mapped and the window will
+ * not have a frame associated with it. In this case, the frame will be
+ * shaped when the window is framed.
+ */
+void
+RootlessSetShape(WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ SCREEN_UNWRAP(pScreen, SetShape);
+ pScreen->SetShape(pWin);
+ SCREEN_WRAP(pScreen, SetShape);
+
+ RootlessReshapeFrame(pWin);
+}
+
+
+
+/* Disallow ParentRelative background on top-level windows
+ because the root window doesn't really have the right background.
+ */
+Bool
+RootlessChangeWindowAttributes(WindowPtr pWin, unsigned long vmask)
+{
+ Bool result;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ RL_DEBUG_MSG("change window attributes start ");
+
+ SCREEN_UNWRAP(pScreen, ChangeWindowAttributes);
+ result = pScreen->ChangeWindowAttributes(pWin, vmask);
+ SCREEN_WRAP(pScreen, ChangeWindowAttributes);
+
+ if (WINREC(pWin)) {
+ // disallow ParentRelative background state
+ if (pWin->backgroundState == ParentRelative) {
+ XID pixel = 0;
+ ChangeWindowAttributes(pWin, CWBackPixel, &pixel, serverClient);
+ }
+ }
+
+ RL_DEBUG_MSG("change window attributes end\n");
+ return result;
+}
+
+
+/*
+ * RootlessPositionWindow
+ * This is a hook for when DIX moves or resizes a window.
+ * Update the frame position now although the physical window is moved
+ * in RootlessMoveWindow. (x, y) are *inside* position. After this,
+ * mi and fb are expecting the pixmap to be at the new location.
+ */
+Bool
+RootlessPositionWindow(WindowPtr pWin, int x, int y)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ RootlessWindowRec *winRec = WINREC(pWin);
+ Bool result;
+
+ RL_DEBUG_MSG("positionwindow start (win 0x%x @ %i, %i)\n", pWin, x, y);
+
+ if (winRec) {
+ if (winRec->is_drawing) {
+ // Reset frame's pixmap and move it to the new position.
+ int bw = wBorderWidth(pWin);
+
+ winRec->pixmap->devPrivate.ptr = winRec->pixelData;
+ SetPixmapBaseToScreen(winRec->pixmap, x - bw, y - bw);
+
+#ifdef ROOTLESS_TRACK_DAMAGE
+ // Move damaged region to correspond to new window position
+ if (REGION_NOTEMPTY(pScreen, &winRec->damage)) {
+ REGION_TRANSLATE(pScreen, &winRec->damage,
+ x - bw - winRec->x,
+ y - bw - winRec->y);
+ }
+#endif
+ }
+ }
+
+ SCREEN_UNWRAP(pScreen, PositionWindow);
+ result = pScreen->PositionWindow(pWin, x, y);
+ SCREEN_WRAP(pScreen, PositionWindow);
+
+ RL_DEBUG_MSG("positionwindow end\n");
+ return result;
+}
+
+
+/*
+ * RootlessInitializeFrame
+ * Initialize some basic attributes of the frame. Note that winRec
+ * may already have valid data in it, so don't overwrite anything
+ * valuable.
+ */
+static void
+RootlessInitializeFrame(WindowPtr pWin, RootlessWindowRec *winRec)
+{
+ DrawablePtr d = &pWin->drawable;
+ int bw = wBorderWidth(pWin);
+
+ winRec->win = pWin;
+
+ winRec->x = d->x - bw;
+ winRec->y = d->y - bw;
+ winRec->width = d->width + 2*bw;
+ winRec->height = d->height + 2*bw;
+ winRec->borderWidth = bw;
+
+#ifdef ROOTLESS_TRACK_DAMAGE
+ REGION_NULL(pScreen, &winRec->damage);
+#endif
+}
+
+/*
+ * RootlessEnsureFrame
+ * Make sure the given window is framed. If the window doesn't have a
+ * physical window associated with it, attempt to create one. If that
+ * is unsuccessful, return NULL.
+ */
+static RootlessWindowRec *
+RootlessEnsureFrame(WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ RootlessWindowRec *winRec;
+ RegionRec shape;
+ RegionPtr pShape = NULL;
+
+ if (WINREC(pWin) != NULL)
+ return WINREC(pWin);
+
+ if (!IsTopLevel(pWin) && !IsRoot(pWin))
+ return NULL;
+
+ if (pWin->drawable.class != InputOutput)
+ return NULL;
+
+ winRec = malloc(sizeof(RootlessWindowRec));
+
+ if (!winRec)
+ return NULL;
+
+ RootlessInitializeFrame(pWin, winRec);
+
+ winRec->is_drawing = FALSE;
+ winRec->is_reorder_pending = FALSE;
+ winRec->pixmap = NULL;
+ winRec->wid = NULL;
+ winRec->level = 0;
+
+ SETWINREC(pWin, winRec);
+
+ // Set the frame's shape if the window is shaped
+ if (RootlessGetShape(pWin, &shape))
+ pShape = &shape;
+
+ RL_DEBUG_MSG("creating frame ");
+
+ if (!SCREENREC(pScreen)->imp->CreateFrame(winRec, pScreen,
+ winRec->x + SCREEN_TO_GLOBAL_X,
+ winRec->y + SCREEN_TO_GLOBAL_Y,
+ pShape))
+ {
+ RL_DEBUG_MSG("implementation failed to create frame!\n");
+ free(winRec);
+ SETWINREC(pWin, NULL);
+ return NULL;
+ }
+
+ if (pWin->drawable.depth == 8)
+ RootlessFlushWindowColormap(pWin);
+
+ if (pShape != NULL)
+ REGION_UNINIT(pScreen, &shape);
+
+ return winRec;
+}
+
+
+/*
+ * RootlessRealizeWindow
+ * The frame is usually created here and not in CreateWindow so that
+ * windows do not eat memory until they are realized.
+ */
+Bool
+RootlessRealizeWindow(WindowPtr pWin)
+{
+ Bool result;
+ RegionRec saveRoot;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ RL_DEBUG_MSG("realizewindow start (win 0x%x) ", pWin);
+
+ if ((IsTopLevel(pWin) && pWin->drawable.class == InputOutput)) {
+ RootlessWindowRec *winRec;
+
+ winRec = RootlessEnsureFrame(pWin);
+ if (winRec == NULL)
+ return FALSE;
+
+ winRec->is_reorder_pending = TRUE;
+
+ RL_DEBUG_MSG("Top level window ");
+
+ // Disallow ParentRelative background state on top-level windows.
+ // This might have been set before the window was mapped.
+ if (pWin->backgroundState == ParentRelative) {
+ XID pixel = 0;
+ ChangeWindowAttributes(pWin, CWBackPixel, &pixel, serverClient);
+ }
+ }
+
+ if (!IsRoot(pWin)) HUGE_ROOT(pWin);
+ SCREEN_UNWRAP(pScreen, RealizeWindow);
+ result = pScreen->RealizeWindow(pWin);
+ SCREEN_WRAP(pScreen, RealizeWindow);
+ if (!IsRoot(pWin)) NORMAL_ROOT(pWin);
+
+ RL_DEBUG_MSG("realizewindow end\n");
+ return result;
+}
+
+
+/*
+ * RootlessFrameForWindow
+ * Returns the frame ID for the physical window displaying the given window.
+ * If CREATE is true and the window has no frame, attempt to create one.
+ */
+RootlessFrameID
+RootlessFrameForWindow(WindowPtr pWin, Bool create)
+{
+ WindowPtr pTopWin;
+ RootlessWindowRec *winRec;
+
+ pTopWin = TopLevelParent(pWin);
+ if (pTopWin == NULL)
+ return NULL;
+
+ winRec = WINREC(pTopWin);
+
+ if (winRec == NULL && create && pWin->drawable.class == InputOutput) {
+ winRec = RootlessEnsureFrame(pTopWin);
+ }
+
+ if (winRec == NULL)
+ return NULL;
+
+ return winRec->wid;
+}
+
+
+/*
+ * RootlessUnrealizeWindow
+ * Unmap the physical window.
+ */
+Bool
+RootlessUnrealizeWindow(WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ RootlessWindowRec *winRec = WINREC(pWin);
+ Bool result;
+
+ RL_DEBUG_MSG("unrealizewindow start ");
+
+ if (winRec) {
+ RootlessStopDrawing(pWin, FALSE);
+
+ SCREENREC(pScreen)->imp->UnmapFrame(winRec->wid);
+
+ winRec->is_reorder_pending = FALSE;
+ }
+
+ SCREEN_UNWRAP(pScreen, UnrealizeWindow);
+ result = pScreen->UnrealizeWindow(pWin);
+ SCREEN_WRAP(pScreen, UnrealizeWindow);
+
+ RL_DEBUG_MSG("unrealizewindow end\n");
+ return result;
+}
+
+
+/*
+ * RootlessReorderWindow
+ * Reorder the frame associated with the given window so that it's
+ * physically above the window below it in the X stacking order.
+ */
+void
+RootlessReorderWindow(WindowPtr pWin)
+{
+ RootlessWindowRec *winRec = WINREC(pWin);
+
+ if (pWin->realized && winRec != NULL && !winRec->is_reorder_pending && !windows_hidden) {
+ WindowPtr newPrevW;
+ RootlessWindowRec *newPrev;
+ RootlessFrameID newPrevID;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ /* Check if the implementation wants the frame to not be reordered
+ even though the X11 window is restacked. This can be useful if
+ frames are ordered-in with animation so that the reordering is not
+ done until the animation is complete. */
+ if (SCREENREC(pScreen)->imp->DoReorderWindow) {
+ if (!SCREENREC(pScreen)->imp->DoReorderWindow(winRec))
+ return;
+ }
+
+ RootlessStopDrawing(pWin, FALSE);
+
+ /* Find the next window above this one that has a mapped frame. */
+
+ newPrevW = pWin->prevSib;
+ while (newPrevW && (WINREC(newPrevW) == NULL || !newPrevW->realized))
+ newPrevW = newPrevW->prevSib;
+
+ newPrev = newPrevW != NULL ? WINREC(newPrevW) : NULL;
+ newPrevID = newPrev != NULL ? newPrev->wid : 0;
+
+ /* If it exists, reorder the frame above us first. */
+
+ if (newPrev && newPrev->is_reorder_pending) {
+ newPrev->is_reorder_pending = FALSE;
+ RootlessReorderWindow(newPrevW);
+ }
+
+ SCREENREC(pScreen)->imp->RestackFrame(winRec->wid, newPrevID);
+ }
+}
+
+
+/*
+ * RootlessRestackWindow
+ * This is a hook for when DIX changes the window stacking order.
+ * The window has already been inserted into its new position in the
+ * DIX window stack. We need to change the order of the physical
+ * window to match.
+ */
+void
+RootlessRestackWindow(WindowPtr pWin, WindowPtr pOldNextSib)
+{
+ RegionRec saveRoot;
+ RootlessWindowRec *winRec = WINREC(pWin);
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ RL_DEBUG_MSG("restackwindow start ");
+ if (winRec)
+ RL_DEBUG_MSG("restack top level \n");
+
+ HUGE_ROOT(pWin);
+ SCREEN_UNWRAP(pScreen, RestackWindow);
+
+ if (pScreen->RestackWindow)
+ pScreen->RestackWindow(pWin, pOldNextSib);
+
+ SCREEN_WRAP(pScreen, RestackWindow);
+ NORMAL_ROOT(pWin);
+
+ if (winRec && pWin->viewable) {
+ RootlessReorderWindow(pWin);
+ }
+
+ RL_DEBUG_MSG("restackwindow end\n");
+}
+
+/*
+ * Specialized window copy procedures
+ */
+
+// Globals needed during window resize and move.
+static pointer gResizeDeathBits = NULL;
+static int gResizeDeathCount = 0;
+static PixmapPtr gResizeDeathPix[2] = {NULL, NULL};
+static BoxRec gResizeDeathBounds[2];
+static CopyWindowProcPtr gResizeOldCopyWindowProc = NULL;
+
+/*
+ * RootlessNoCopyWindow
+ * CopyWindow() that doesn't do anything. For MoveWindow() of
+ * top-level windows.
+ */
+static void
+RootlessNoCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg,
+ RegionPtr prgnSrc)
+{
+ // some code expects the region to be translated
+ int dx = ptOldOrg.x - pWin->drawable.x;
+ int dy = ptOldOrg.y - pWin->drawable.y;
+
+ RL_DEBUG_MSG("ROOTLESSNOCOPYWINDOW ");
+
+ REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy);
+}
+
+
+/*
+ * RootlessResizeCopyWindow
+ * CopyWindow used during ResizeWindow for gravity moves. Based on
+ * fbCopyWindow. The original always draws on the root pixmap, which
+ * we don't have. Instead, draw on the parent window's pixmap.
+ * Resize version: the old location's pixels are in gResizeCopyWindowSource.
+ */
+static void
+RootlessResizeCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg,
+ RegionPtr prgnSrc)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ RegionRec rgnDst;
+ int dx, dy;
+
+ RL_DEBUG_MSG("resizecopywindowFB start (win 0x%x) ", pWin);
+
+ /* Don't unwrap pScreen->CopyWindow.
+ The bogus rewrap with RootlessCopyWindow causes a crash if
+ CopyWindow is called again during the same resize. */
+
+ if (gResizeDeathCount == 0)
+ return;
+
+ RootlessStartDrawing(pWin);
+
+ dx = ptOldOrg.x - pWin->drawable.x;
+ dy = ptOldOrg.y - pWin->drawable.y;
+ REGION_TRANSLATE(pScreen, prgnSrc, -dx, -dy);
+ REGION_NULL(pScreen, &rgnDst);
+ REGION_INTERSECT(pScreen, &rgnDst, &pWin->borderClip, prgnSrc);
+
+ if (gResizeDeathCount == 1) {
+ /* Simple case, we only have a single source pixmap. */
+
+ fbCopyRegion(&gResizeDeathPix[0]->drawable,
+ &pScreen->GetWindowPixmap(pWin)->drawable, 0,
+ &rgnDst, dx, dy, fbCopyWindowProc, 0, 0);
+ }
+ else {
+ int i;
+ RegionRec clip, clipped;
+
+ /* More complex case, N source pixmaps (usually two). So we
+ intersect the destination with each source and copy those bits. */
+
+ for (i = 0; i < gResizeDeathCount; i++) {
+ REGION_INIT(pScreen, &clip, gResizeDeathBounds + 0, 1);
+ REGION_NULL(pScreen, &clipped);
+ REGION_INTERSECT(pScreen, &rgnDst, &clip, &clipped);
+
+ fbCopyRegion(&gResizeDeathPix[i]->drawable,
+ &pScreen->GetWindowPixmap(pWin)->drawable, 0,
+ &clipped, dx, dy, fbCopyWindowProc, 0, 0);
+
+ REGION_UNINIT(pScreen, &clipped);
+ REGION_UNINIT(pScreen, &clip);
+ }
+ }
+
+ /* Don't update - resize will update everything */
+ REGION_UNINIT(pScreen, &rgnDst);
+
+ fbValidateDrawable(&pWin->drawable);
+
+ RL_DEBUG_MSG("resizecopywindowFB end\n");
+}
+
+
+/*
+ * RootlessCopyWindow
+ * Update *new* location of window. Old location is redrawn with
+ * miPaintWindow. Cloned from fbCopyWindow.
+ * The original always draws on the root pixmap, which we don't have.
+ * Instead, draw on the parent window's pixmap.
+ */
+void
+RootlessCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ RegionRec rgnDst;
+ int dx, dy;
+ BoxPtr extents;
+ int area;
+
+ RL_DEBUG_MSG("copywindowFB start (win 0x%x) ", pWin);
+
+ SCREEN_UNWRAP(pScreen, CopyWindow);
+
+ dx = ptOldOrg.x - pWin->drawable.x;
+ dy = ptOldOrg.y - pWin->drawable.y;
+ REGION_TRANSLATE(pScreen, prgnSrc, -dx, -dy);
+
+ REGION_NULL(pScreen, &rgnDst);
+ REGION_INTERSECT(pScreen, &rgnDst, &pWin->borderClip, prgnSrc);
+
+ extents = REGION_EXTENTS(pScreen, &rgnDst);
+ area = (extents->x2 - extents->x1) * (extents->y2 - extents->y1);
+
+ /* If the area exceeds threshold, use the implementation's
+ accelerated version. */
+ if (area > rootless_CopyWindow_threshold &&
+ SCREENREC(pScreen)->imp->CopyWindow)
+ {
+ RootlessWindowRec *winRec;
+ WindowPtr top;
+
+ top = TopLevelParent(pWin);
+ if (top == NULL) {
+ RL_DEBUG_MSG("no parent\n");
+ goto out;
+ }
+
+ winRec = WINREC(top);
+ if (winRec == NULL) {
+ RL_DEBUG_MSG("not framed\n");
+ goto out;
+ }
+
+ /* Move region to window local coords */
+ REGION_TRANSLATE(pScreen, &rgnDst, -winRec->x, -winRec->y);
+
+ RootlessStopDrawing(pWin, FALSE);
+
+ SCREENREC(pScreen)->imp->CopyWindow(winRec->wid,
+ REGION_NUM_RECTS(&rgnDst),
+ REGION_RECTS(&rgnDst),
+ dx, dy);
+ }
+ else {
+ RootlessStartDrawing(pWin);
+
+ fbCopyRegion((DrawablePtr) pWin, (DrawablePtr) pWin,
+ 0, &rgnDst, dx, dy, fbCopyWindowProc, 0, 0);
+
+ /* prgnSrc has been translated to dst position */
+ RootlessDamageRegion(pWin, prgnSrc);
+ }
+
+out:
+ REGION_UNINIT(pScreen, &rgnDst);
+ fbValidateDrawable(&pWin->drawable);
+
+ SCREEN_WRAP(pScreen, CopyWindow);
+
+ RL_DEBUG_MSG("copywindowFB end\n");
+}
+
+
+/*
+ * Window resize procedures
+ */
+
+enum {
+ WIDTH_SMALLER = 1,
+ HEIGHT_SMALLER = 2,
+};
+
+
+/*
+ * ResizeWeighting
+ * Choose gravity to avoid local copies. Do that by looking for
+ * a corner that doesn't move _relative to the screen_.
+ */
+static inline unsigned int
+ResizeWeighting(int oldX1, int oldY1, int oldX2, int oldY2, int oldBW,
+ int newX1, int newY1, int newX2, int newY2, int newBW)
+{
+#ifdef ROOTLESS_RESIZE_GRAVITY
+ if (newBW != oldBW)
+ return RL_GRAVITY_NONE;
+
+ if (newX1 == oldX1 && newY1 == oldY1)
+ return RL_GRAVITY_NORTH_WEST;
+ else if (newX1 == oldX1 && newY2 == oldY2)
+ return RL_GRAVITY_SOUTH_WEST;
+ else if (newX2 == oldX2 && newY2 == oldY2)
+ return RL_GRAVITY_SOUTH_EAST;
+ else if (newX2 == oldX2 && newY1 == oldY1)
+ return RL_GRAVITY_NORTH_EAST;
+ else
+ return RL_GRAVITY_NONE;
+#else
+ return RL_GRAVITY_NONE;
+#endif
+}
+
+
+/*
+ * StartFrameResize
+ * Prepare to resize a top-level window. The old window's pixels are
+ * saved and the implementation is told to change the window size.
+ * (x,y,w,h) is outer frame of window (outside border)
+ */
+static Bool
+StartFrameResize(WindowPtr pWin, Bool gravity,
+ int oldX, int oldY, int oldW, int oldH, int oldBW,
+ int newX, int newY, int newW, int newH, int newBW)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ RootlessWindowRec *winRec = WINREC(pWin);
+ Bool need_window_source = FALSE, resize_after = FALSE;
+
+ BoxRec rect;
+ int oldX2, newX2;
+ int oldY2, newY2;
+ unsigned int weight;
+
+ oldX2 = oldX + oldW, newX2 = newX + newW;
+ oldY2 = oldY + oldH, newY2 = newY + newH;
+
+ /* Decide which resize weighting to use */
+ weight = ResizeWeighting(oldX, oldY, oldW, oldH, oldBW,
+ newX, newY, newW, newH, newBW);
+
+ /* Compute intersection between old and new rects */
+ rect.x1 = max(oldX, newX);
+ rect.y1 = max(oldY, newY);
+ rect.x2 = min(oldX2, newX2);
+ rect.y2 = min(oldY2, newY2);
+
+ RL_DEBUG_MSG("RESIZE TOPLEVEL WINDOW with gravity %i ", gravity);
+ RL_DEBUG_MSG("%d %d %d %d %d %d %d %d %d %d\n",
+ oldX, oldY, oldW, oldH, oldBW,
+ newX, newY, newW, newH, newBW);
+
+ RootlessRedisplay(pWin);
+
+ /* If gravity is true, then we need to have a way of recovering all
+ the original bits in the window for when X rearranges the contents
+ based on the various gravity settings. The obvious way is to just
+ snapshot the entire backing store before resizing it, but that
+ it slow on large windows.
+
+ So the optimization here is to use the implementation's resize
+ weighting options (if available) to allow us to reason about what
+ is left in the backing store after the resize. We can then only
+ copy what won't be there after the resize, and do a two-stage copy
+ operation.
+
+ Most of these optimizations are only applied when the top-left
+ corner of the window is fixed, since that's the common case. They
+ could probably be extended with some thought. */
+
+ gResizeDeathCount = 0;
+
+ if (gravity && weight == RL_GRAVITY_NORTH_WEST) {
+ unsigned int code = 0;
+
+ /* Top left corner is anchored. We never need to copy the
+ entire window. */
+
+ need_window_source = TRUE;
+
+ /* These comparisons were chosen to avoid setting bits when the sizes
+ are the same. (So the fastest case automatically gets taken when
+ dimensions are unchanging.) */
+
+ if (newW < oldW)
+ code |= WIDTH_SMALLER;
+ if (newH < oldH)
+ code |= HEIGHT_SMALLER;
+
+ if (((code ^ (code >> 1)) & 1) == 0) {
+ /* Both dimensions are either getting larger, or both
+ are getting smaller. No need to copy anything. */
+
+ if (code == (WIDTH_SMALLER | HEIGHT_SMALLER)) {
+ /* Since the window is getting smaller, we can do gravity
+ repair on it with it's current size, then resize it
+ afterwards. */
+
+ resize_after = TRUE;
+ }
+
+ gResizeDeathCount = 1;
+ }
+ else {
+ unsigned int copy_rowbytes, Bpp;
+ unsigned int copy_rect_width, copy_rect_height;
+ BoxRec copy_rect;
+
+ /* We can get away with a partial copy. 'rect' is the
+ intersection between old and new bounds, so copy
+ everything to the right of or below the intersection. */
+
+ RootlessStartDrawing(pWin);
+
+ if (code == WIDTH_SMALLER) {
+ copy_rect.x1 = rect.x2;
+ copy_rect.y1 = rect.y1;
+ copy_rect.x2 = oldX2;
+ copy_rect.y2 = oldY2;
+ }
+ else if (code == HEIGHT_SMALLER) {
+ copy_rect.x1 = rect.x1;
+ copy_rect.y1 = rect.y2;
+ copy_rect.x2 = oldX2;
+ copy_rect.y2 = oldY2;
+ }
+ else
+ OsAbort();
+
+ Bpp = winRec->win->drawable.bitsPerPixel / 8;
+ copy_rect_width = copy_rect.x2 - copy_rect.x1;
+ copy_rect_height = copy_rect.y2 - copy_rect.y1;
+ copy_rowbytes = ((copy_rect_width * Bpp) + 31) & ~31;
+ gResizeDeathBits = malloc(copy_rowbytes
+ * copy_rect_height);
+
+ if (copy_rect_width * copy_rect_height >
+ rootless_CopyBytes_threshold &&
+ SCREENREC(pScreen)->imp->CopyBytes)
+ {
+ SCREENREC(pScreen)->imp->CopyBytes(
+ copy_rect_width * Bpp, copy_rect_height,
+ ((char *) winRec->pixelData)
+ + ((copy_rect.y1 - oldY) * winRec->bytesPerRow)
+ + (copy_rect.x1 - oldX) * Bpp, winRec->bytesPerRow,
+ gResizeDeathBits, copy_rowbytes);
+ } else {
+ fbBlt((FbBits *) (winRec->pixelData
+ + ((copy_rect.y1 - oldY) * winRec->bytesPerRow)
+ + (copy_rect.x1 - oldX) * Bpp),
+ winRec->bytesPerRow / sizeof(FbBits), 0,
+ (FbBits *) gResizeDeathBits,
+ copy_rowbytes / sizeof(FbBits), 0,
+ copy_rect_width * Bpp, copy_rect_height,
+ GXcopy, FB_ALLONES, Bpp, 0, 0);
+ }
+
+ gResizeDeathBounds[1] = copy_rect;
+ gResizeDeathPix[1]
+ = GetScratchPixmapHeader(pScreen, copy_rect_width,
+ copy_rect_height,
+ winRec->win->drawable.depth,
+ winRec->win->drawable.bitsPerPixel,
+ winRec->bytesPerRow,
+ (void *) gResizeDeathBits);
+
+ SetPixmapBaseToScreen(gResizeDeathPix[1],
+ copy_rect.x1, copy_rect.y1);
+
+ gResizeDeathCount = 2;
+ }
+ }
+ else if (gravity) {
+ /* The general case. Just copy everything. */
+
+ RootlessStartDrawing(pWin);
+
+ gResizeDeathBits = malloc(winRec->bytesPerRow * winRec->height);
+
+ memcpy(gResizeDeathBits, winRec->pixelData,
+ winRec->bytesPerRow * winRec->height);
+
+ gResizeDeathBounds[0] = (BoxRec) {oldX, oldY, oldX2, oldY2};
+ gResizeDeathPix[0]
+ = GetScratchPixmapHeader(pScreen, winRec->width,
+ winRec->height,
+ winRec->win->drawable.depth,
+ winRec->win->drawable.bitsPerPixel,
+ winRec->bytesPerRow,
+ (void *) gResizeDeathBits);
+
+ SetPixmapBaseToScreen(gResizeDeathPix[0], oldX, oldY);
+ gResizeDeathCount = 1;
+ }
+
+ RootlessStopDrawing(pWin, FALSE);
+
+ winRec->x = newX;
+ winRec->y = newY;
+ winRec->width = newW;
+ winRec->height = newH;
+ winRec->borderWidth = newBW;
+
+ /* Unless both dimensions are getting smaller, Resize the frame
+ before doing gravity repair */
+
+ if (!resize_after) {
+ SCREENREC(pScreen)->imp->ResizeFrame(winRec->wid, pScreen,
+ newX + SCREEN_TO_GLOBAL_X,
+ newY + SCREEN_TO_GLOBAL_Y,
+ newW, newH, weight);
+ }
+
+ RootlessStartDrawing(pWin);
+
+ /* If necessary, create a source pixmap pointing at the current
+ window bits. */
+
+ if (need_window_source) {
+ gResizeDeathBounds[0] = (BoxRec) {oldX, oldY, oldX2, oldY2};
+ gResizeDeathPix[0]
+ = GetScratchPixmapHeader(pScreen, oldW, oldH,
+ winRec->win->drawable.depth,
+ winRec->win->drawable.bitsPerPixel,
+ winRec->bytesPerRow, winRec->pixelData);
+
+ SetPixmapBaseToScreen(gResizeDeathPix[0], oldX, oldY);
+ }
+
+ /* Use custom CopyWindow when moving gravity bits around
+ ResizeWindow assumes the old window contents are in the same
+ pixmap, but here they're in deathPix instead. */
+
+ if (gravity) {
+ gResizeOldCopyWindowProc = pScreen->CopyWindow;
+ pScreen->CopyWindow = RootlessResizeCopyWindow;
+ }
+
+ /* If we can't rely on the window server preserving the bits we
+ need in the position we need, copy the pixels in the
+ intersection from src to dst. ResizeWindow assumes these pixels
+ are already present when making gravity adjustments. pWin
+ currently has new-sized pixmap but is in old position.
+
+ FIXME: border width change! (?) */
+
+ if (gravity && weight == RL_GRAVITY_NONE) {
+ PixmapPtr src, dst;
+
+ assert(gResizeDeathCount == 1);
+
+ src = gResizeDeathPix[0];
+ dst = pScreen->GetWindowPixmap(pWin);
+
+ RL_DEBUG_MSG("Resize copy rect %d %d %d %d\n",
+ rect.x1, rect.y1, rect.x2, rect.y2);
+
+ /* rect is the intersection of the old location and new location */
+ if (BOX_NOT_EMPTY(rect) && src != NULL && dst != NULL) {
+ /* The window drawable still has the old frame position, which
+ means that DST doesn't actually point at the origin of our
+ physical backing store when adjusted by the drawable.x,y
+ position. So sneakily adjust it temporarily while copying.. */
+
+ ((PixmapPtr) dst)->devPrivate.ptr = winRec->pixelData;
+ SetPixmapBaseToScreen(dst, newX, newY);
+
+ fbCopyWindowProc(&src->drawable, &dst->drawable, NULL,
+ &rect, 1, 0, 0, FALSE, FALSE, 0, 0);
+
+ ((PixmapPtr) dst)->devPrivate.ptr = winRec->pixelData;
+ SetPixmapBaseToScreen(dst, oldX, oldY);
+ }
+ }
+
+ return resize_after;
+}
+
+
+static void
+FinishFrameResize(WindowPtr pWin, Bool gravity, int oldX, int oldY,
+ unsigned int oldW, unsigned int oldH, unsigned int oldBW,
+ int newX, int newY, unsigned int newW, unsigned int newH,
+ unsigned int newBW, Bool resize_now)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ RootlessWindowRec *winRec = WINREC(pWin);
+ int i;
+
+ RootlessStopDrawing(pWin, FALSE);
+
+ if (resize_now) {
+ unsigned int weight;
+
+ /* We didn't resize anything earlier, so do it now, now that
+ we've finished gravitating the bits. */
+
+ weight = ResizeWeighting(oldX, oldY, oldW, oldH, oldBW,
+ newX, newY, newW, newH, newBW);
+
+ SCREENREC(pScreen)->imp->ResizeFrame(winRec->wid, pScreen,
+ newX + SCREEN_TO_GLOBAL_X,
+ newY + SCREEN_TO_GLOBAL_Y,
+ newW, newH, weight);
+ }
+
+ /* Redraw everything. FIXME: there must be times when we don't need
+ to do this. Perhaps when top-left weighting and no gravity? */
+
+ RootlessDamageRect(pWin, -newBW, -newBW, newW, newH);
+
+ for (i = 0; i < 2; i++) {
+ if (gResizeDeathPix[i] != NULL) {
+ FreeScratchPixmapHeader(gResizeDeathPix[i]);
+ gResizeDeathPix[i] = NULL;
+ }
+ }
+
+ if (gResizeDeathBits != NULL) {
+ free(gResizeDeathBits);
+ gResizeDeathBits = NULL;
+ }
+
+ if (gravity) {
+ pScreen->CopyWindow = gResizeOldCopyWindowProc;
+ }
+}
+
+
+/*
+ * RootlessMoveWindow
+ * If kind==VTOther, window border is resizing (and borderWidth is
+ * already changed!!@#$) This case works like window resize, not move.
+ */
+void
+RootlessMoveWindow(WindowPtr pWin, int x, int y, WindowPtr pSib, VTKind kind)
+{
+ RootlessWindowRec *winRec = WINREC(pWin);
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ CopyWindowProcPtr oldCopyWindowProc = NULL;
+ int oldX = 0, oldY = 0, newX = 0, newY = 0;
+ unsigned int oldW = 0, oldH = 0, oldBW = 0;
+ unsigned int newW = 0, newH = 0, newBW = 0;
+ Bool resize_after = FALSE;
+ RegionRec saveRoot;
+
+ RL_DEBUG_MSG("movewindow start \n");
+
+ if (winRec) {
+ if (kind == VTMove) {
+ oldX = winRec->x;
+ oldY = winRec->y;
+ RootlessRedisplay(pWin);
+ RootlessStartDrawing(pWin);
+ } else {
+ RL_DEBUG_MSG("movewindow border resizing ");
+
+ oldBW = winRec->borderWidth;
+ oldX = winRec->x;
+ oldY = winRec->y;
+ oldW = winRec->width;
+ oldH = winRec->height;
+
+ newBW = wBorderWidth(pWin);
+ newX = x;
+ newY = y;
+ newW = pWin->drawable.width + 2*newBW;
+ newH = pWin->drawable.height + 2*newBW;
+
+ resize_after = StartFrameResize(pWin, FALSE,
+ oldX, oldY, oldW, oldH, oldBW,
+ newX, newY, newW, newH, newBW);
+ }
+ }
+
+ HUGE_ROOT(pWin);
+ SCREEN_UNWRAP(pScreen, MoveWindow);
+
+ if (winRec) {
+ oldCopyWindowProc = pScreen->CopyWindow;
+ pScreen->CopyWindow = RootlessNoCopyWindow;
+ }
+ pScreen->MoveWindow(pWin, x, y, pSib, kind);
+ if (winRec) {
+ pScreen->CopyWindow = oldCopyWindowProc;
+ }
+
+ NORMAL_ROOT(pWin);
+ SCREEN_WRAP(pScreen, MoveWindow);
+
+ if (winRec) {
+ if (kind == VTMove) {
+ winRec->x = x;
+ winRec->y = y;
+ RootlessStopDrawing(pWin, FALSE);
+ SCREENREC(pScreen)->imp->MoveFrame(winRec->wid, pScreen,
+ x + SCREEN_TO_GLOBAL_X,
+ y + SCREEN_TO_GLOBAL_Y);
+ } else {
+ FinishFrameResize(pWin, FALSE, oldX, oldY, oldW, oldH, oldBW,
+ newX, newY, newW, newH, newBW, resize_after);
+ }
+ }
+
+ RL_DEBUG_MSG("movewindow end\n");
+}
+
+
+/*
+ * RootlessResizeWindow
+ * Note: (x, y, w, h) as passed to this procedure don't match the frame
+ * definition. (x,y) is corner of very outer edge, *outside* border.
+ * w,h is width and height *inside* border, *ignoring* border width.
+ * The rect (x, y, w, h) doesn't mean anything. (x, y, w+2*bw, h+2*bw)
+ * is total rect and (x+bw, y+bw, w, h) is inner rect.
+ */
+void
+RootlessResizeWindow(WindowPtr pWin, int x, int y,
+ unsigned int w, unsigned int h, WindowPtr pSib)
+{
+ RootlessWindowRec *winRec = WINREC(pWin);
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ int oldX = 0, oldY = 0, newX = 0, newY = 0;
+ unsigned int oldW = 0, oldH = 0, oldBW = 0, newW = 0, newH = 0, newBW = 0;
+ Bool resize_after = FALSE;
+ RegionRec saveRoot;
+
+ RL_DEBUG_MSG("resizewindow start (win 0x%x) ", pWin);
+
+ if(pWin->parent) {
+ if (winRec) {
+ oldBW = winRec->borderWidth;
+ oldX = winRec->x;
+ oldY = winRec->y;
+ oldW = winRec->width;
+ oldH = winRec->height;
+
+ newBW = oldBW;
+ newX = x;
+ newY = y;
+ newW = w + 2*newBW;
+ newH = h + 2*newBW;
+
+ resize_after = StartFrameResize(pWin, TRUE,
+ oldX, oldY, oldW, oldH, oldBW,
+ newX, newY, newW, newH, newBW);
+ }
+
+ HUGE_ROOT(pWin);
+ SCREEN_UNWRAP(pScreen, ResizeWindow);
+ pScreen->ResizeWindow(pWin, x, y, w, h, pSib);
+ SCREEN_WRAP(pScreen, ResizeWindow);
+ NORMAL_ROOT(pWin);
+
+ if (winRec) {
+ FinishFrameResize(pWin, TRUE, oldX, oldY, oldW, oldH, oldBW,
+ newX, newY, newW, newH, newBW, resize_after);
+ }
+ } else {
+ /* Special case for resizing the root window */
+ BoxRec box;
+
+ pWin->drawable.x = x;
+ pWin->drawable.y = y;
+ pWin->drawable.width = w;
+ pWin->drawable.height = h;
+
+ box.x1 = x; box.y1 = y;
+ box.x2 = x + w; box.y2 = y + h;
+ REGION_UNINIT(pScreen, &pWin->winSize);
+ REGION_INIT(pScreen, &pWin->winSize, &box, 1);
+ REGION_COPY(pScreen, &pWin->borderSize, &pWin->winSize);
+ REGION_COPY(pScreen, &pWin->clipList, &pWin->winSize);
+ REGION_COPY(pScreen, &pWin->borderClip, &pWin->winSize);
+
+ miSendExposures(pWin, &pWin->borderClip,
+ pWin->drawable.x, pWin->drawable.y);
+ }
+
+ RL_DEBUG_MSG("resizewindow end\n");
+}
+
+
+/*
+ * RootlessRepositionWindow
+ * Called by the implementation when a window needs to be repositioned to
+ * its correct location on the screen. This routine is typically needed
+ * due to changes in the underlying window system, such as a screen layout
+ * change.
+ */
+void
+RootlessRepositionWindow(WindowPtr pWin)
+{
+ RootlessWindowRec *winRec = WINREC(pWin);
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ if (winRec == NULL)
+ return;
+
+ RootlessStopDrawing(pWin, FALSE);
+ SCREENREC(pScreen)->imp->MoveFrame(winRec->wid, pScreen,
+ winRec->x + SCREEN_TO_GLOBAL_X,
+ winRec->y + SCREEN_TO_GLOBAL_Y);
+
+ RootlessReorderWindow(pWin);
+}
+
+
+/*
+ * RootlessReparentWindow
+ * Called after a window has been reparented. Generally windows are not
+ * framed until they are mapped. However, a window may be framed early by the
+ * implementation calling RootlessFrameForWindow. (e.g. this could be needed
+ * to attach a VRAM surface to it.) If the window is subsequently reparented
+ * by the window manager before being mapped, we need to give the frame to
+ * the new top-level window.
+ */
+void
+RootlessReparentWindow(WindowPtr pWin, WindowPtr pPriorParent)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ RootlessWindowRec *winRec = WINREC(pWin);
+ WindowPtr pTopWin;
+
+ /* Check that window is not top-level now, but used to be. */
+ if (IsRoot(pWin) || IsRoot(pWin->parent)
+ || IsTopLevel(pWin) || winRec == NULL)
+ {
+ goto out;
+ }
+
+ /* If the formerly top-level window has a frame, we want to give the
+ frame to its new top-level parent. If we can't do that, we'll just
+ have to jettison it... */
+
+ pTopWin = TopLevelParent(pWin);
+ assert(pTopWin != pWin);
+
+ pWin->rootlessUnhittable = FALSE;
+
+ DeleteProperty (serverClient, pWin, xa_native_window_id ());
+
+ if (WINREC(pTopWin) != NULL) {
+ /* We're screwed. */
+ RootlessDestroyFrame(pWin, winRec);
+ } else {
+ if (!pTopWin->realized && pWin->realized) {
+ SCREENREC(pScreen)->imp->UnmapFrame(winRec->wid);
+ }
+
+ /* Switch the frame record from one to the other. */
+
+ SETWINREC(pWin, NULL);
+ SETWINREC(pTopWin, winRec);
+
+ RootlessInitializeFrame(pTopWin, winRec);
+ RootlessReshapeFrame(pTopWin);
+
+ SCREENREC(pScreen)->imp->ResizeFrame(winRec->wid, pScreen,
+ winRec->x + SCREEN_TO_GLOBAL_X,
+ winRec->y + SCREEN_TO_GLOBAL_Y,
+ winRec->width, winRec->height,
+ RL_GRAVITY_NONE);
+
+ if (SCREENREC(pScreen)->imp->SwitchWindow) {
+ SCREENREC(pScreen)->imp->SwitchWindow(winRec, pWin);
+ }
+
+ if (pTopWin->realized && !pWin->realized)
+ winRec->is_reorder_pending = TRUE;
+ }
+
+out:
+ if (SCREENREC(pScreen)->ReparentWindow) {
+ SCREEN_UNWRAP(pScreen, ReparentWindow);
+ pScreen->ReparentWindow(pWin, pPriorParent);
+ SCREEN_WRAP(pScreen, ReparentWindow);
+ }
+}
+
+
+void
+RootlessFlushWindowColormap (WindowPtr pWin)
+{
+ RootlessWindowRec *winRec = WINREC (pWin);
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ if (winRec == NULL)
+ return;
+
+ RootlessStopDrawing (pWin, FALSE);
+
+ if (SCREENREC(pScreen)->imp->UpdateColormap)
+ SCREENREC(pScreen)->imp->UpdateColormap(winRec->wid, pScreen);
+}
+
+/*
+ * RootlessChangeBorderWidth
+ * FIXME: untested!
+ * pWin inside corner stays the same; pWin->drawable.[xy] stays the same
+ * Frame moves and resizes.
+ */
+void
+RootlessChangeBorderWidth(WindowPtr pWin, unsigned int width)
+{
+ RegionRec saveRoot;
+ Bool resize_after = FALSE;
+
+ RL_DEBUG_MSG("change border width ");
+
+ if (width != wBorderWidth(pWin)) {
+ RootlessWindowRec *winRec = WINREC(pWin);
+ int oldX = 0, oldY = 0, newX = 0, newY = 0;
+ unsigned int oldW = 0, oldH = 0, oldBW = 0;
+ unsigned int newW = 0, newH = 0, newBW = 0;
+
+ if (winRec) {
+ oldBW = winRec->borderWidth;
+ oldX = winRec->x;
+ oldY = winRec->y;
+ oldW = winRec->width;
+ oldH = winRec->height;
+
+ newBW = width;
+ newX = pWin->drawable.x - newBW;
+ newY = pWin->drawable.y - newBW;
+ newW = pWin->drawable.width + 2*newBW;
+ newH = pWin->drawable.height + 2*newBW;
+
+ resize_after = StartFrameResize(pWin, FALSE,
+ oldX, oldY, oldW, oldH, oldBW,
+ newX, newY, newW, newH, newBW);
+ }
+
+ HUGE_ROOT(pWin);
+ SCREEN_UNWRAP(pWin->drawable.pScreen, ChangeBorderWidth);
+ pWin->drawable.pScreen->ChangeBorderWidth(pWin, width);
+ SCREEN_WRAP(pWin->drawable.pScreen, ChangeBorderWidth);
+ NORMAL_ROOT(pWin);
+
+ if (winRec) {
+ FinishFrameResize(pWin, FALSE, oldX, oldY, oldW, oldH, oldBW,
+ newX, newY, newW, newH, newBW, resize_after);
+ }
+ }
+
+ RL_DEBUG_MSG("change border width end\n");
+}
+
+/*
+ * RootlessOrderAllWindows
+ * Brings all X11 windows to the top of the window stack
+ * (i.e in front of Aqua windows) -- called when X11.app is given focus
+ */
+void
+RootlessOrderAllWindows (void)
+{
+ int i;
+ WindowPtr pWin;
+
+ if (windows_hidden)
+ return;
+
+ RL_DEBUG_MSG("RootlessOrderAllWindows() ");
+ for (i = 0; i < screenInfo.numScreens; i++) {
+ if (screenInfo.screens[i] == NULL) continue;
+ pWin = WindowTable[i];
+ if (pWin == NULL) continue;
+
+ for (pWin = pWin->firstChild; pWin != NULL; pWin = pWin->nextSib) {
+ if (!pWin->realized) continue;
+ if (RootlessEnsureFrame(pWin) == NULL) continue;
+ RootlessReorderWindow (pWin);
+ }
+ }
+ RL_DEBUG_MSG("RootlessOrderAllWindows() done");
+}
+
+void
+RootlessEnableRoot (ScreenPtr pScreen)
+{
+ WindowPtr pRoot;
+ pRoot = WindowTable[pScreen->myNum];
+
+ RootlessEnsureFrame (pRoot);
+ (*pScreen->ClearToBackground) (pRoot, 0, 0, 0, 0, TRUE);
+ RootlessReorderWindow (pRoot);
+}
+
+void
+RootlessDisableRoot (ScreenPtr pScreen)
+{
+ WindowPtr pRoot;
+ RootlessWindowRec *winRec;
+
+ pRoot = WindowTable[pScreen->myNum];
+ winRec = WINREC (pRoot);
+
+ if (NULL == winRec)
+ return;
+
+ RootlessDestroyFrame (pRoot, winRec);
+ DeleteProperty (serverClient, pRoot, xa_native_window_id ());
+}
+
+void
+RootlessHideAllWindows (void)
+{
+ int i;
+ ScreenPtr pScreen;
+ WindowPtr pWin;
+ RootlessWindowRec *winRec;
+
+ if (windows_hidden)
+ return;
+
+ windows_hidden = TRUE;
+
+ for (i = 0; i < screenInfo.numScreens; i++)
+ {
+ pScreen = screenInfo.screens[i];
+ pWin = WindowTable[i];
+ if (pScreen == NULL || pWin == NULL)
+ continue;
+
+ for (pWin = pWin->firstChild; pWin != NULL; pWin = pWin->nextSib)
+ {
+ if (!pWin->realized)
+ continue;
+
+ RootlessStopDrawing (pWin, FALSE);
+
+ winRec = WINREC (pWin);
+ if (winRec != NULL)
+ {
+ if (SCREENREC(pScreen)->imp->HideWindow)
+ SCREENREC(pScreen)->imp->HideWindow(winRec->wid);
+ }
+ }
+ }
+}
+
+void
+RootlessShowAllWindows (void)
+{
+ int i;
+ ScreenPtr pScreen;
+ WindowPtr pWin;
+ RootlessWindowRec *winRec;
+
+ if (!windows_hidden)
+ return;
+
+ windows_hidden = FALSE;
+
+ for (i = 0; i < screenInfo.numScreens; i++)
+ {
+ pScreen = screenInfo.screens[i];
+ pWin = WindowTable[i];
+ if (pScreen == NULL || pWin == NULL)
+ continue;
+
+ for (pWin = pWin->firstChild; pWin != NULL; pWin = pWin->nextSib)
+ {
+ if (!pWin->realized)
+ continue;
+
+ winRec = RootlessEnsureFrame (pWin);
+ if (winRec == NULL)
+ continue;
+
+ RootlessReorderWindow (pWin);
+ }
+
+ RootlessScreenExpose (pScreen);
+ }
+}
+
+/*
+ * SetPixmapOfAncestors
+ * Set the Pixmaps on all ParentRelative windows up the ancestor chain.
+ */
+void
+RootlessSetPixmapOfAncestors(WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ WindowPtr topWin = TopLevelParent(pWin);
+ RootlessWindowRec *topWinRec = WINREC(topWin);
+
+ while (pWin->backgroundState == ParentRelative) {
+ if (pWin == topWin) {
+ // disallow ParentRelative background state on top level
+ XID pixel = 0;
+ ChangeWindowAttributes(pWin, CWBackPixel, &pixel, serverClient);
+ RL_DEBUG_MSG("Cleared ParentRelative on 0x%x.\n", pWin);
+ break;
+ }
+
+ pWin = pWin->parent;
+ pScreen->SetWindowPixmap(pWin, topWinRec->pixmap);
+ }
+}
+