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-rw-r--r--xorg-server/hw/xnest/Window.c1036
1 files changed, 517 insertions, 519 deletions
diff --git a/xorg-server/hw/xnest/Window.c b/xorg-server/hw/xnest/Window.c
index 7ef3d8b96..e2b21b58e 100644
--- a/xorg-server/hw/xnest/Window.c
+++ b/xorg-server/hw/xnest/Window.c
@@ -1,519 +1,517 @@
-/*
-
-Copyright 1993 by Davor Matic
-
-Permission to use, copy, modify, distribute, and sell this software
-and its documentation for any purpose is hereby granted without fee,
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in
-supporting documentation. Davor Matic makes no representations about
-the suitability of this software for any purpose. It is provided "as
-is" without express or implied warranty.
-
-*/
-
-#ifdef HAVE_XNEST_CONFIG_H
-#include <xnest-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "gcstruct.h"
-#include "window.h"
-#include "windowstr.h"
-#include "pixmapstr.h"
-#include "colormapst.h"
-#include "scrnintstr.h"
-#include "region.h"
-
-#include "mi.h"
-
-#include "Xnest.h"
-
-#include "Display.h"
-#include "Screen.h"
-#include "XNGC.h"
-#include "Drawable.h"
-#include "Color.h"
-#include "Visual.h"
-#include "Events.h"
-#include "Args.h"
-
-DevPrivateKeyRec xnestWindowPrivateKeyRec;
-
-static int
-xnestFindWindowMatch(WindowPtr pWin, pointer ptr)
-{
- xnestWindowMatch *wm = (xnestWindowMatch *)ptr;
- if (wm->window == xnestWindow(pWin)) {
- wm->pWin = pWin;
- return WT_STOPWALKING;
- }
- else
- return WT_WALKCHILDREN;
-}
-
-WindowPtr
-xnestWindowPtr(Window window)
-{
- xnestWindowMatch wm;
- int i;
-
- wm.pWin = NullWindow;
- wm.window = window;
-
- for (i = 0; i < xnestNumScreens; i++) {
- WalkTree(screenInfo.screens[i], xnestFindWindowMatch, (pointer) &wm);
- if (wm.pWin) break;
- }
-
- return wm.pWin;
-}
-
-Bool
-xnestCreateWindow(WindowPtr pWin)
-{
- unsigned long mask;
- XSetWindowAttributes attributes;
- Visual *visual;
- ColormapPtr pCmap;
-
- if (pWin->drawable.class == InputOnly) {
- mask = 0L;
- visual = CopyFromParent;
- }
- else {
- mask = CWEventMask | CWBackingStore;
- attributes.event_mask = ExposureMask;
- attributes.backing_store = NotUseful;
-
- if (pWin->parent) {
- if (pWin->optional && pWin->optional->visual != wVisual(pWin->parent)) {
- visual = xnestVisualFromID(pWin->drawable.pScreen, wVisual(pWin));
- mask |= CWColormap;
- if (pWin->optional->colormap) {
- dixLookupResourceByType((pointer *)&pCmap, wColormap(pWin),
- RT_COLORMAP, serverClient, DixUseAccess);
- attributes.colormap = xnestColormap(pCmap);
- }
- else
- attributes.colormap = xnestDefaultVisualColormap(visual);
- }
- else
- visual = CopyFromParent;
- }
- else { /* root windows have their own colormaps at creation time */
- visual = xnestVisualFromID(pWin->drawable.pScreen, wVisual(pWin));
- dixLookupResourceByType((pointer *)&pCmap, wColormap(pWin),
- RT_COLORMAP, serverClient, DixUseAccess);
- mask |= CWColormap;
- attributes.colormap = xnestColormap(pCmap);
- }
- }
-
- xnestWindowPriv(pWin)->window = XCreateWindow(xnestDisplay,
- xnestWindowParent(pWin),
- pWin->origin.x -
- wBorderWidth(pWin),
- pWin->origin.y -
- wBorderWidth(pWin),
- pWin->drawable.width,
- pWin->drawable.height,
- pWin->borderWidth,
- pWin->drawable.depth,
- pWin->drawable.class,
- visual,
- mask, &attributes);
- xnestWindowPriv(pWin)->parent = xnestWindowParent(pWin);
- xnestWindowPriv(pWin)->x = pWin->origin.x - wBorderWidth(pWin);
- xnestWindowPriv(pWin)->y = pWin->origin.y - wBorderWidth(pWin);
- xnestWindowPriv(pWin)->width = pWin->drawable.width;
- xnestWindowPriv(pWin)->height = pWin->drawable.height;
- xnestWindowPriv(pWin)->border_width = pWin->borderWidth;
- xnestWindowPriv(pWin)->sibling_above = None;
- if (pWin->nextSib)
- xnestWindowPriv(pWin->nextSib)->sibling_above = xnestWindow(pWin);
- xnestWindowPriv(pWin)->bounding_shape =
- RegionCreate(NULL, 1);
- xnestWindowPriv(pWin)->clip_shape =
- RegionCreate(NULL, 1);
-
- if (!pWin->parent) /* only the root window will have the right colormap */
- xnestSetInstalledColormapWindows(pWin->drawable.pScreen);
-
- return True;
-}
-
-Bool
-xnestDestroyWindow(WindowPtr pWin)
-{
- if (pWin->nextSib)
- xnestWindowPriv(pWin->nextSib)->sibling_above =
- xnestWindowPriv(pWin)->sibling_above;
- RegionDestroy(xnestWindowPriv(pWin)->bounding_shape);
- RegionDestroy(xnestWindowPriv(pWin)->clip_shape);
- XDestroyWindow(xnestDisplay, xnestWindow(pWin));
- xnestWindowPriv(pWin)->window = None;
-
- if (pWin->optional && pWin->optional->colormap && pWin->parent)
- xnestSetInstalledColormapWindows(pWin->drawable.pScreen);
-
- return True;
-}
-
-Bool
-xnestPositionWindow(WindowPtr pWin, int x, int y)
-{
- xnestConfigureWindow(pWin,
- CWParent |
- CWX | CWY |
- CWWidth | CWHeight |
- CWBorderWidth);
-
- return True;
-}
-
-void
-xnestConfigureWindow(WindowPtr pWin, unsigned int mask)
-{
- unsigned int valuemask;
- XWindowChanges values;
-
- if (mask & CWParent &&
- xnestWindowPriv(pWin)->parent != xnestWindowParent(pWin)) {
- XReparentWindow(xnestDisplay, xnestWindow(pWin),
- xnestWindowParent(pWin),
- pWin->origin.x - wBorderWidth(pWin),
- pWin->origin.y - wBorderWidth(pWin));
- xnestWindowPriv(pWin)->parent = xnestWindowParent(pWin);
- xnestWindowPriv(pWin)->x = pWin->origin.x - wBorderWidth(pWin);
- xnestWindowPriv(pWin)->y = pWin->origin.y - wBorderWidth(pWin);
- xnestWindowPriv(pWin)->sibling_above = None;
- if (pWin->nextSib)
- xnestWindowPriv(pWin->nextSib)->sibling_above = xnestWindow(pWin);
- }
-
- valuemask = 0;
-
- if (mask & CWX &&
- xnestWindowPriv(pWin)->x != pWin->origin.x - wBorderWidth(pWin)) {
- valuemask |= CWX;
- values.x =
- xnestWindowPriv(pWin)->x =
- pWin->origin.x - wBorderWidth(pWin);
- }
-
- if (mask & CWY &&
- xnestWindowPriv(pWin)->y != pWin->origin.y - wBorderWidth(pWin)) {
- valuemask |= CWY;
- values.y =
- xnestWindowPriv(pWin)->y =
- pWin->origin.y - wBorderWidth(pWin);
- }
-
- if (mask & CWWidth &&
- xnestWindowPriv(pWin)->width != pWin->drawable.width) {
- valuemask |= CWWidth;
- values.width =
- xnestWindowPriv(pWin)->width =
- pWin->drawable.width;
- }
-
- if (mask & CWHeight &&
- xnestWindowPriv(pWin)->height != pWin->drawable.height) {
- valuemask |= CWHeight;
- values.height =
- xnestWindowPriv(pWin)->height =
- pWin->drawable.height;
- }
-
- if (mask & CWBorderWidth &&
- xnestWindowPriv(pWin)->border_width != pWin->borderWidth) {
- valuemask |= CWBorderWidth;
- values.border_width =
- xnestWindowPriv(pWin)->border_width =
- pWin->borderWidth;
- }
-
- if (valuemask)
- XConfigureWindow(xnestDisplay, xnestWindow(pWin), valuemask, &values);
-
- if (mask & CWStackingOrder &&
- xnestWindowPriv(pWin)->sibling_above != xnestWindowSiblingAbove(pWin)) {
- WindowPtr pSib;
-
- /* find the top sibling */
- for (pSib = pWin; pSib->prevSib != NullWindow; pSib = pSib->prevSib);
-
- /* the top sibling */
- valuemask = CWStackMode;
- values.stack_mode = Above;
- XConfigureWindow(xnestDisplay, xnestWindow(pSib), valuemask, &values);
- xnestWindowPriv(pSib)->sibling_above = None;
-
- /* the rest of siblings */
- for (pSib = pSib->nextSib; pSib != NullWindow; pSib = pSib->nextSib) {
- valuemask = CWSibling | CWStackMode;
- values.sibling = xnestWindowSiblingAbove(pSib);
- values.stack_mode = Below;
- XConfigureWindow(xnestDisplay, xnestWindow(pSib), valuemask, &values);
- xnestWindowPriv(pSib)->sibling_above = xnestWindowSiblingAbove(pSib);
- }
- }
-}
-
-Bool
-xnestChangeWindowAttributes(WindowPtr pWin, unsigned long mask)
-{
- XSetWindowAttributes attributes;
-
- if (mask & CWBackPixmap)
- switch (pWin->backgroundState) {
- case None:
- attributes.background_pixmap = None;
- break;
-
- case ParentRelative:
- attributes.background_pixmap = ParentRelative;
- break;
-
- case BackgroundPixmap:
- attributes.background_pixmap = xnestPixmap(pWin->background.pixmap);
- break;
-
- case BackgroundPixel:
- mask &= ~CWBackPixmap;
- break;
- }
-
- if (mask & CWBackPixel) {
- if (pWin->backgroundState == BackgroundPixel)
- attributes.background_pixel = xnestPixel(pWin->background.pixel);
- else
- mask &= ~CWBackPixel;
- }
-
- if (mask & CWBorderPixmap) {
- if (pWin->borderIsPixel)
- mask &= ~CWBorderPixmap;
- else
- attributes.border_pixmap = xnestPixmap(pWin->border.pixmap);
- }
-
- if (mask & CWBorderPixel) {
- if (pWin->borderIsPixel)
- attributes.border_pixel = xnestPixel(pWin->border.pixel);
- else
- mask &= ~CWBorderPixel;
- }
-
- if (mask & CWBitGravity)
- attributes.bit_gravity = pWin->bitGravity;
-
- if (mask & CWWinGravity) /* dix does this for us */
- mask &= ~CWWinGravity;
-
- if (mask & CWBackingStore) /* this is really not useful */
- mask &= ~CWBackingStore;
-
- if (mask & CWBackingPlanes) /* this is really not useful */
- mask &= ~CWBackingPlanes;
-
- if (mask & CWBackingPixel) /* this is really not useful */
- mask &= ~CWBackingPixel;
-
- if (mask & CWOverrideRedirect)
- attributes.override_redirect = pWin->overrideRedirect;
-
- if (mask & CWSaveUnder) /* this is really not useful */
- mask &= ~CWSaveUnder;
-
- if (mask & CWEventMask) /* events are handled elsewhere */
- mask &= ~CWEventMask;
-
- if (mask & CWDontPropagate) /* events are handled elsewhere */
- mask &= ~CWDontPropagate;
-
- if (mask & CWColormap) {
- ColormapPtr pCmap;
-
- dixLookupResourceByType((pointer *)&pCmap, wColormap(pWin), RT_COLORMAP,
- serverClient, DixUseAccess);
-
- attributes.colormap = xnestColormap(pCmap);
-
- xnestSetInstalledColormapWindows(pWin->drawable.pScreen);
- }
-
- if (mask & CWCursor) /* this is handeled in cursor code */
- mask &= ~CWCursor;
-
- if (mask)
- XChangeWindowAttributes(xnestDisplay, xnestWindow(pWin),
- mask, &attributes);
-
- return True;
-}
-
-Bool
-xnestRealizeWindow(WindowPtr pWin)
-{
- xnestConfigureWindow(pWin, CWStackingOrder);
- xnestShapeWindow(pWin);
- XMapWindow(xnestDisplay, xnestWindow(pWin));
-
- return True;
-}
-
-Bool
-xnestUnrealizeWindow(WindowPtr pWin)
-{
- XUnmapWindow(xnestDisplay, xnestWindow(pWin));
-
- return True;
-}
-
-void
-xnestCopyWindow(WindowPtr pWin, xPoint oldOrigin, RegionPtr oldRegion)
-{
-}
-
-void
-xnestClipNotify(WindowPtr pWin, int dx, int dy)
-{
- xnestConfigureWindow(pWin, CWStackingOrder);
- xnestShapeWindow(pWin);
-}
-
-static Bool
-xnestWindowExposurePredicate(Display *display, XEvent *event, XPointer ptr)
-{
- return (event->type == Expose && event->xexpose.window == *(Window *)ptr);
-}
-
-void
-xnestWindowExposures(WindowPtr pWin, RegionPtr pRgn, RegionPtr other_exposed)
-{
- XEvent event;
- Window window;
- BoxRec Box;
-
- XSync(xnestDisplay, False);
-
- window = xnestWindow(pWin);
-
- while (XCheckIfEvent(xnestDisplay, &event,
- xnestWindowExposurePredicate, (char *)&window)) {
-
- Box.x1 = pWin->drawable.x + wBorderWidth(pWin) + event.xexpose.x;
- Box.y1 = pWin->drawable.y + wBorderWidth(pWin) + event.xexpose.y;
- Box.x2 = Box.x1 + event.xexpose.width;
- Box.y2 = Box.y1 + event.xexpose.height;
-
- event.xexpose.type = ProcessedExpose;
-
- if (RegionContainsRect(pRgn, &Box) != rgnIN)
- XPutBackEvent(xnestDisplay, &event);
- }
-
- miWindowExposures(pWin, pRgn, other_exposed);
-}
-
-void
-xnestSetShape(WindowPtr pWin, int kind)
-{
- xnestShapeWindow(pWin);
- miSetShape(pWin, kind);
-}
-
-static Bool
-xnestRegionEqual(RegionPtr pReg1, RegionPtr pReg2)
-{
- BoxPtr pBox1, pBox2;
- unsigned int n1, n2;
-
- if (pReg1 == pReg2) return True;
-
- if (pReg1 == NullRegion || pReg2 == NullRegion) return False;
-
- pBox1 = RegionRects(pReg1);
- n1 = RegionNumRects(pReg1);
-
- pBox2 = RegionRects(pReg2);
- n2 = RegionNumRects(pReg2);
-
- if (n1 != n2) return False;
-
- if (pBox1 == pBox2) return True;
-
- if (memcmp(pBox1, pBox2, n1 * sizeof(BoxRec))) return False;
-
- return True;
-}
-
-void
-xnestShapeWindow(WindowPtr pWin)
-{
- Region reg;
- BoxPtr pBox;
- XRectangle rect;
- int i;
-
- if (!xnestRegionEqual(xnestWindowPriv(pWin)->bounding_shape,
- wBoundingShape(pWin))) {
-
- if (wBoundingShape(pWin)) {
- RegionCopy(xnestWindowPriv(pWin)->bounding_shape, wBoundingShape(pWin));
-
- reg = XCreateRegion();
- pBox = RegionRects(xnestWindowPriv(pWin)->bounding_shape);
- for (i = 0;
- i < RegionNumRects(xnestWindowPriv(pWin)->bounding_shape);
- i++) {
- rect.x = pBox[i].x1;
- rect.y = pBox[i].y1;
- rect.width = pBox[i].x2 - pBox[i].x1;
- rect.height = pBox[i].y2 - pBox[i].y1;
- XUnionRectWithRegion(&rect, reg, reg);
- }
- XShapeCombineRegion(xnestDisplay, xnestWindow(pWin),
- ShapeBounding, 0, 0, reg, ShapeSet);
- XDestroyRegion(reg);
- }
- else {
- RegionEmpty(xnestWindowPriv(pWin)->bounding_shape);
-
- XShapeCombineMask(xnestDisplay, xnestWindow(pWin),
- ShapeBounding, 0, 0, None, ShapeSet);
- }
- }
-
- if (!xnestRegionEqual(xnestWindowPriv(pWin)->clip_shape,
- wClipShape(pWin))) {
-
- if (wClipShape(pWin)) {
- RegionCopy(xnestWindowPriv(pWin)->clip_shape, wClipShape(pWin));
-
- reg = XCreateRegion();
- pBox = RegionRects(xnestWindowPriv(pWin)->clip_shape);
- for (i = 0;
- i < RegionNumRects(xnestWindowPriv(pWin)->clip_shape);
- i++) {
- rect.x = pBox[i].x1;
- rect.y = pBox[i].y1;
- rect.width = pBox[i].x2 - pBox[i].x1;
- rect.height = pBox[i].y2 - pBox[i].y1;
- XUnionRectWithRegion(&rect, reg, reg);
- }
- XShapeCombineRegion(xnestDisplay, xnestWindow(pWin),
- ShapeClip, 0, 0, reg, ShapeSet);
- XDestroyRegion(reg);
- }
- else {
- RegionEmpty(xnestWindowPriv(pWin)->clip_shape);
-
- XShapeCombineMask(xnestDisplay, xnestWindow(pWin),
- ShapeClip, 0, 0, None, ShapeSet);
- }
- }
-}
+/*
+
+Copyright 1993 by Davor Matic
+
+Permission to use, copy, modify, distribute, and sell this software
+and its documentation for any purpose is hereby granted without fee,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation. Davor Matic makes no representations about
+the suitability of this software for any purpose. It is provided "as
+is" without express or implied warranty.
+
+*/
+
+#ifdef HAVE_XNEST_CONFIG_H
+#include <xnest-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "gcstruct.h"
+#include "window.h"
+#include "windowstr.h"
+#include "pixmapstr.h"
+#include "colormapst.h"
+#include "scrnintstr.h"
+#include "region.h"
+
+#include "mi.h"
+
+#include "Xnest.h"
+
+#include "Display.h"
+#include "Screen.h"
+#include "XNGC.h"
+#include "Drawable.h"
+#include "Color.h"
+#include "Visual.h"
+#include "Events.h"
+#include "Args.h"
+
+DevPrivateKeyRec xnestWindowPrivateKeyRec;
+
+static int
+xnestFindWindowMatch(WindowPtr pWin, pointer ptr)
+{
+ xnestWindowMatch *wm = (xnestWindowMatch *) ptr;
+
+ if (wm->window == xnestWindow(pWin)) {
+ wm->pWin = pWin;
+ return WT_STOPWALKING;
+ }
+ else
+ return WT_WALKCHILDREN;
+}
+
+WindowPtr
+xnestWindowPtr(Window window)
+{
+ xnestWindowMatch wm;
+ int i;
+
+ wm.pWin = NullWindow;
+ wm.window = window;
+
+ for (i = 0; i < xnestNumScreens; i++) {
+ WalkTree(screenInfo.screens[i], xnestFindWindowMatch, (pointer) &wm);
+ if (wm.pWin)
+ break;
+ }
+
+ return wm.pWin;
+}
+
+Bool
+xnestCreateWindow(WindowPtr pWin)
+{
+ unsigned long mask;
+ XSetWindowAttributes attributes;
+ Visual *visual;
+ ColormapPtr pCmap;
+
+ if (pWin->drawable.class == InputOnly) {
+ mask = 0L;
+ visual = CopyFromParent;
+ }
+ else {
+ mask = CWEventMask | CWBackingStore;
+ attributes.event_mask = ExposureMask;
+ attributes.backing_store = NotUseful;
+
+ if (pWin->parent) {
+ if (pWin->optional &&
+ pWin->optional->visual != wVisual(pWin->parent)) {
+ visual =
+ xnestVisualFromID(pWin->drawable.pScreen, wVisual(pWin));
+ mask |= CWColormap;
+ if (pWin->optional->colormap) {
+ dixLookupResourceByType((pointer *) &pCmap, wColormap(pWin),
+ RT_COLORMAP, serverClient,
+ DixUseAccess);
+ attributes.colormap = xnestColormap(pCmap);
+ }
+ else
+ attributes.colormap = xnestDefaultVisualColormap(visual);
+ }
+ else
+ visual = CopyFromParent;
+ }
+ else { /* root windows have their own colormaps at creation time */
+ visual = xnestVisualFromID(pWin->drawable.pScreen, wVisual(pWin));
+ dixLookupResourceByType((pointer *) &pCmap, wColormap(pWin),
+ RT_COLORMAP, serverClient, DixUseAccess);
+ mask |= CWColormap;
+ attributes.colormap = xnestColormap(pCmap);
+ }
+ }
+
+ xnestWindowPriv(pWin)->window = XCreateWindow(xnestDisplay,
+ xnestWindowParent(pWin),
+ pWin->origin.x -
+ wBorderWidth(pWin),
+ pWin->origin.y -
+ wBorderWidth(pWin),
+ pWin->drawable.width,
+ pWin->drawable.height,
+ pWin->borderWidth,
+ pWin->drawable.depth,
+ pWin->drawable.class,
+ visual, mask, &attributes);
+ xnestWindowPriv(pWin)->parent = xnestWindowParent(pWin);
+ xnestWindowPriv(pWin)->x = pWin->origin.x - wBorderWidth(pWin);
+ xnestWindowPriv(pWin)->y = pWin->origin.y - wBorderWidth(pWin);
+ xnestWindowPriv(pWin)->width = pWin->drawable.width;
+ xnestWindowPriv(pWin)->height = pWin->drawable.height;
+ xnestWindowPriv(pWin)->border_width = pWin->borderWidth;
+ xnestWindowPriv(pWin)->sibling_above = None;
+ if (pWin->nextSib)
+ xnestWindowPriv(pWin->nextSib)->sibling_above = xnestWindow(pWin);
+ xnestWindowPriv(pWin)->bounding_shape = RegionCreate(NULL, 1);
+ xnestWindowPriv(pWin)->clip_shape = RegionCreate(NULL, 1);
+
+ if (!pWin->parent) /* only the root window will have the right colormap */
+ xnestSetInstalledColormapWindows(pWin->drawable.pScreen);
+
+ return True;
+}
+
+Bool
+xnestDestroyWindow(WindowPtr pWin)
+{
+ if (pWin->nextSib)
+ xnestWindowPriv(pWin->nextSib)->sibling_above =
+ xnestWindowPriv(pWin)->sibling_above;
+ RegionDestroy(xnestWindowPriv(pWin)->bounding_shape);
+ RegionDestroy(xnestWindowPriv(pWin)->clip_shape);
+ XDestroyWindow(xnestDisplay, xnestWindow(pWin));
+ xnestWindowPriv(pWin)->window = None;
+
+ if (pWin->optional && pWin->optional->colormap && pWin->parent)
+ xnestSetInstalledColormapWindows(pWin->drawable.pScreen);
+
+ return True;
+}
+
+Bool
+xnestPositionWindow(WindowPtr pWin, int x, int y)
+{
+ xnestConfigureWindow(pWin,
+ CWParent |
+ CWX | CWY | CWWidth | CWHeight | CWBorderWidth);
+
+ return True;
+}
+
+void
+xnestConfigureWindow(WindowPtr pWin, unsigned int mask)
+{
+ unsigned int valuemask;
+ XWindowChanges values;
+
+ if (mask & CWParent &&
+ xnestWindowPriv(pWin)->parent != xnestWindowParent(pWin)) {
+ XReparentWindow(xnestDisplay, xnestWindow(pWin),
+ xnestWindowParent(pWin),
+ pWin->origin.x - wBorderWidth(pWin),
+ pWin->origin.y - wBorderWidth(pWin));
+ xnestWindowPriv(pWin)->parent = xnestWindowParent(pWin);
+ xnestWindowPriv(pWin)->x = pWin->origin.x - wBorderWidth(pWin);
+ xnestWindowPriv(pWin)->y = pWin->origin.y - wBorderWidth(pWin);
+ xnestWindowPriv(pWin)->sibling_above = None;
+ if (pWin->nextSib)
+ xnestWindowPriv(pWin->nextSib)->sibling_above = xnestWindow(pWin);
+ }
+
+ valuemask = 0;
+
+ if (mask & CWX &&
+ xnestWindowPriv(pWin)->x != pWin->origin.x - wBorderWidth(pWin)) {
+ valuemask |= CWX;
+ values.x =
+ xnestWindowPriv(pWin)->x = pWin->origin.x - wBorderWidth(pWin);
+ }
+
+ if (mask & CWY &&
+ xnestWindowPriv(pWin)->y != pWin->origin.y - wBorderWidth(pWin)) {
+ valuemask |= CWY;
+ values.y =
+ xnestWindowPriv(pWin)->y = pWin->origin.y - wBorderWidth(pWin);
+ }
+
+ if (mask & CWWidth && xnestWindowPriv(pWin)->width != pWin->drawable.width) {
+ valuemask |= CWWidth;
+ values.width = xnestWindowPriv(pWin)->width = pWin->drawable.width;
+ }
+
+ if (mask & CWHeight &&
+ xnestWindowPriv(pWin)->height != pWin->drawable.height) {
+ valuemask |= CWHeight;
+ values.height = xnestWindowPriv(pWin)->height = pWin->drawable.height;
+ }
+
+ if (mask & CWBorderWidth &&
+ xnestWindowPriv(pWin)->border_width != pWin->borderWidth) {
+ valuemask |= CWBorderWidth;
+ values.border_width =
+ xnestWindowPriv(pWin)->border_width = pWin->borderWidth;
+ }
+
+ if (valuemask)
+ XConfigureWindow(xnestDisplay, xnestWindow(pWin), valuemask, &values);
+
+ if (mask & CWStackingOrder &&
+ xnestWindowPriv(pWin)->sibling_above != xnestWindowSiblingAbove(pWin)) {
+ WindowPtr pSib;
+
+ /* find the top sibling */
+ for (pSib = pWin; pSib->prevSib != NullWindow; pSib = pSib->prevSib);
+
+ /* the top sibling */
+ valuemask = CWStackMode;
+ values.stack_mode = Above;
+ XConfigureWindow(xnestDisplay, xnestWindow(pSib), valuemask, &values);
+ xnestWindowPriv(pSib)->sibling_above = None;
+
+ /* the rest of siblings */
+ for (pSib = pSib->nextSib; pSib != NullWindow; pSib = pSib->nextSib) {
+ valuemask = CWSibling | CWStackMode;
+ values.sibling = xnestWindowSiblingAbove(pSib);
+ values.stack_mode = Below;
+ XConfigureWindow(xnestDisplay, xnestWindow(pSib), valuemask,
+ &values);
+ xnestWindowPriv(pSib)->sibling_above =
+ xnestWindowSiblingAbove(pSib);
+ }
+ }
+}
+
+Bool
+xnestChangeWindowAttributes(WindowPtr pWin, unsigned long mask)
+{
+ XSetWindowAttributes attributes;
+
+ if (mask & CWBackPixmap)
+ switch (pWin->backgroundState) {
+ case None:
+ attributes.background_pixmap = None;
+ break;
+
+ case ParentRelative:
+ attributes.background_pixmap = ParentRelative;
+ break;
+
+ case BackgroundPixmap:
+ attributes.background_pixmap = xnestPixmap(pWin->background.pixmap);
+ break;
+
+ case BackgroundPixel:
+ mask &= ~CWBackPixmap;
+ break;
+ }
+
+ if (mask & CWBackPixel) {
+ if (pWin->backgroundState == BackgroundPixel)
+ attributes.background_pixel = xnestPixel(pWin->background.pixel);
+ else
+ mask &= ~CWBackPixel;
+ }
+
+ if (mask & CWBorderPixmap) {
+ if (pWin->borderIsPixel)
+ mask &= ~CWBorderPixmap;
+ else
+ attributes.border_pixmap = xnestPixmap(pWin->border.pixmap);
+ }
+
+ if (mask & CWBorderPixel) {
+ if (pWin->borderIsPixel)
+ attributes.border_pixel = xnestPixel(pWin->border.pixel);
+ else
+ mask &= ~CWBorderPixel;
+ }
+
+ if (mask & CWBitGravity)
+ attributes.bit_gravity = pWin->bitGravity;
+
+ if (mask & CWWinGravity) /* dix does this for us */
+ mask &= ~CWWinGravity;
+
+ if (mask & CWBackingStore) /* this is really not useful */
+ mask &= ~CWBackingStore;
+
+ if (mask & CWBackingPlanes) /* this is really not useful */
+ mask &= ~CWBackingPlanes;
+
+ if (mask & CWBackingPixel) /* this is really not useful */
+ mask &= ~CWBackingPixel;
+
+ if (mask & CWOverrideRedirect)
+ attributes.override_redirect = pWin->overrideRedirect;
+
+ if (mask & CWSaveUnder) /* this is really not useful */
+ mask &= ~CWSaveUnder;
+
+ if (mask & CWEventMask) /* events are handled elsewhere */
+ mask &= ~CWEventMask;
+
+ if (mask & CWDontPropagate) /* events are handled elsewhere */
+ mask &= ~CWDontPropagate;
+
+ if (mask & CWColormap) {
+ ColormapPtr pCmap;
+
+ dixLookupResourceByType((pointer *) &pCmap, wColormap(pWin),
+ RT_COLORMAP, serverClient, DixUseAccess);
+
+ attributes.colormap = xnestColormap(pCmap);
+
+ xnestSetInstalledColormapWindows(pWin->drawable.pScreen);
+ }
+
+ if (mask & CWCursor) /* this is handeled in cursor code */
+ mask &= ~CWCursor;
+
+ if (mask)
+ XChangeWindowAttributes(xnestDisplay, xnestWindow(pWin),
+ mask, &attributes);
+
+ return True;
+}
+
+Bool
+xnestRealizeWindow(WindowPtr pWin)
+{
+ xnestConfigureWindow(pWin, CWStackingOrder);
+ xnestShapeWindow(pWin);
+ XMapWindow(xnestDisplay, xnestWindow(pWin));
+
+ return True;
+}
+
+Bool
+xnestUnrealizeWindow(WindowPtr pWin)
+{
+ XUnmapWindow(xnestDisplay, xnestWindow(pWin));
+
+ return True;
+}
+
+void
+xnestCopyWindow(WindowPtr pWin, xPoint oldOrigin, RegionPtr oldRegion)
+{
+}
+
+void
+xnestClipNotify(WindowPtr pWin, int dx, int dy)
+{
+ xnestConfigureWindow(pWin, CWStackingOrder);
+ xnestShapeWindow(pWin);
+}
+
+static Bool
+xnestWindowExposurePredicate(Display * display, XEvent * event, XPointer ptr)
+{
+ return (event->type == Expose && event->xexpose.window == *(Window *) ptr);
+}
+
+void
+xnestWindowExposures(WindowPtr pWin, RegionPtr pRgn, RegionPtr other_exposed)
+{
+ XEvent event;
+ Window window;
+ BoxRec Box;
+
+ XSync(xnestDisplay, False);
+
+ window = xnestWindow(pWin);
+
+ while (XCheckIfEvent(xnestDisplay, &event,
+ xnestWindowExposurePredicate, (char *) &window)) {
+
+ Box.x1 = pWin->drawable.x + wBorderWidth(pWin) + event.xexpose.x;
+ Box.y1 = pWin->drawable.y + wBorderWidth(pWin) + event.xexpose.y;
+ Box.x2 = Box.x1 + event.xexpose.width;
+ Box.y2 = Box.y1 + event.xexpose.height;
+
+ event.xexpose.type = ProcessedExpose;
+
+ if (RegionContainsRect(pRgn, &Box) != rgnIN)
+ XPutBackEvent(xnestDisplay, &event);
+ }
+
+ miWindowExposures(pWin, pRgn, other_exposed);
+}
+
+void
+xnestSetShape(WindowPtr pWin, int kind)
+{
+ xnestShapeWindow(pWin);
+ miSetShape(pWin, kind);
+}
+
+static Bool
+xnestRegionEqual(RegionPtr pReg1, RegionPtr pReg2)
+{
+ BoxPtr pBox1, pBox2;
+ unsigned int n1, n2;
+
+ if (pReg1 == pReg2)
+ return True;
+
+ if (pReg1 == NullRegion || pReg2 == NullRegion)
+ return False;
+
+ pBox1 = RegionRects(pReg1);
+ n1 = RegionNumRects(pReg1);
+
+ pBox2 = RegionRects(pReg2);
+ n2 = RegionNumRects(pReg2);
+
+ if (n1 != n2)
+ return False;
+
+ if (pBox1 == pBox2)
+ return True;
+
+ if (memcmp(pBox1, pBox2, n1 * sizeof(BoxRec)))
+ return False;
+
+ return True;
+}
+
+void
+xnestShapeWindow(WindowPtr pWin)
+{
+ Region reg;
+ BoxPtr pBox;
+ XRectangle rect;
+ int i;
+
+ if (!xnestRegionEqual(xnestWindowPriv(pWin)->bounding_shape,
+ wBoundingShape(pWin))) {
+
+ if (wBoundingShape(pWin)) {
+ RegionCopy(xnestWindowPriv(pWin)->bounding_shape,
+ wBoundingShape(pWin));
+
+ reg = XCreateRegion();
+ pBox = RegionRects(xnestWindowPriv(pWin)->bounding_shape);
+ for (i = 0;
+ i < RegionNumRects(xnestWindowPriv(pWin)->bounding_shape);
+ i++) {
+ rect.x = pBox[i].x1;
+ rect.y = pBox[i].y1;
+ rect.width = pBox[i].x2 - pBox[i].x1;
+ rect.height = pBox[i].y2 - pBox[i].y1;
+ XUnionRectWithRegion(&rect, reg, reg);
+ }
+ XShapeCombineRegion(xnestDisplay, xnestWindow(pWin),
+ ShapeBounding, 0, 0, reg, ShapeSet);
+ XDestroyRegion(reg);
+ }
+ else {
+ RegionEmpty(xnestWindowPriv(pWin)->bounding_shape);
+
+ XShapeCombineMask(xnestDisplay, xnestWindow(pWin),
+ ShapeBounding, 0, 0, None, ShapeSet);
+ }
+ }
+
+ if (!xnestRegionEqual(xnestWindowPriv(pWin)->clip_shape, wClipShape(pWin))) {
+
+ if (wClipShape(pWin)) {
+ RegionCopy(xnestWindowPriv(pWin)->clip_shape, wClipShape(pWin));
+
+ reg = XCreateRegion();
+ pBox = RegionRects(xnestWindowPriv(pWin)->clip_shape);
+ for (i = 0;
+ i < RegionNumRects(xnestWindowPriv(pWin)->clip_shape); i++) {
+ rect.x = pBox[i].x1;
+ rect.y = pBox[i].y1;
+ rect.width = pBox[i].x2 - pBox[i].x1;
+ rect.height = pBox[i].y2 - pBox[i].y1;
+ XUnionRectWithRegion(&rect, reg, reg);
+ }
+ XShapeCombineRegion(xnestDisplay, xnestWindow(pWin),
+ ShapeClip, 0, 0, reg, ShapeSet);
+ XDestroyRegion(reg);
+ }
+ else {
+ RegionEmpty(xnestWindowPriv(pWin)->clip_shape);
+
+ XShapeCombineMask(xnestDisplay, xnestWindow(pWin),
+ ShapeClip, 0, 0, None, ShapeSet);
+ }
+ }
+}