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-rw-r--r--hw/dmx/dmxwindow.c1083
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diff --git a/hw/dmx/dmxwindow.c b/hw/dmx/dmxwindow.c
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+/* $XFree86$ */
+/*
+ * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina.
+ *
+ * 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 on 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 (including the
+ * next paragraph) 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
+ * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
+ * 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.
+ */
+
+/*
+ * Authors:
+ * Kevin E. Martin <kem@redhat.com>
+ *
+ */
+
+/** \file
+ * This file provides support for window-related functions. */
+
+#include "dmx.h"
+#include "dmxsync.h"
+#include "dmxwindow.h"
+#include "dmxpixmap.h"
+#include "dmxcmap.h"
+#include "dmxvisual.h"
+#include "dmxinput.h"
+#include "dmxextension.h"
+#ifdef RENDER
+#include "dmxpict.h"
+#endif
+
+#include "windowstr.h"
+
+static void dmxDoRestackWindow(WindowPtr pWindow);
+static void dmxDoChangeWindowAttributes(WindowPtr pWindow,
+ unsigned long *mask,
+ XSetWindowAttributes *attribs);
+
+#ifdef SHAPE
+static void dmxDoSetShape(WindowPtr pWindow);
+#endif
+
+/** Initialize the private area for the window functions. */
+Bool dmxInitWindow(ScreenPtr pScreen)
+{
+ if (!AllocateWindowPrivate(pScreen, dmxWinPrivateIndex,
+ sizeof(dmxWinPrivRec)))
+ return FALSE;
+
+ return TRUE;
+}
+
+
+Window dmxCreateRootWindow(WindowPtr pWindow)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+ Window parent;
+ Visual *visual;
+ unsigned long mask;
+ XSetWindowAttributes attribs;
+ ColormapPtr pCmap;
+ dmxColormapPrivPtr pCmapPriv;
+
+ /* Create root window */
+
+ parent = dmxScreen->scrnWin; /* This is our "Screen" window */
+ visual = dmxScreen->beVisuals[dmxScreen->beDefVisualIndex].visual;
+
+ pCmap = (ColormapPtr)LookupIDByType(wColormap(pWindow), RT_COLORMAP);
+ pCmapPriv = DMX_GET_COLORMAP_PRIV(pCmap);
+
+ mask = CWEventMask | CWBackingStore | CWColormap | CWBorderPixel;
+ attribs.event_mask = ExposureMask;
+ attribs.backing_store = NotUseful;
+ attribs.colormap = pCmapPriv->cmap;
+ attribs.border_pixel = 0;
+
+ /* Incorporate new attributes, if needed */
+ if (pWinPriv->attribMask) {
+ dmxDoChangeWindowAttributes(pWindow, &pWinPriv->attribMask, &attribs);
+ mask |= pWinPriv->attribMask;
+ }
+
+ return XCreateWindow(dmxScreen->beDisplay,
+ parent,
+ pWindow->origin.x - wBorderWidth(pWindow),
+ pWindow->origin.y - wBorderWidth(pWindow),
+ pWindow->drawable.width,
+ pWindow->drawable.height,
+ pWindow->borderWidth,
+ pWindow->drawable.depth,
+ pWindow->drawable.class,
+ visual,
+ mask,
+ &attribs);
+}
+
+/** Change the location and size of the "screen" window. Called from
+ * #dmxReconfigureScreenWindow(). */
+void dmxResizeScreenWindow(ScreenPtr pScreen,
+ int x, int y, int w, int h)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ unsigned int m;
+ XWindowChanges c;
+
+ if (!dmxScreen->beDisplay)
+ return;
+
+ /* Handle resizing on back-end server */
+ m = CWX | CWY | CWWidth | CWHeight;
+ c.x = x;
+ c.y = y;
+ c.width = w;
+ c.height = h;
+
+ XConfigureWindow(dmxScreen->beDisplay, dmxScreen->scrnWin, m, &c);
+ dmxSync(dmxScreen, False);
+}
+
+/** Change the location and size of the "root" window. Called from
+ * #dmxReconfigureRootWindow(). */
+void dmxResizeRootWindow(WindowPtr pRoot,
+ int x, int y, int w, int h)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[pRoot->drawable.pScreen->myNum];
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pRoot);
+ unsigned int m;
+ XWindowChanges c;
+
+ /* Handle resizing on back-end server */
+ if (dmxScreen->beDisplay) {
+ m = CWX | CWY | CWWidth | CWHeight;
+ c.x = x;
+ c.y = y;
+ c.width = (w > 0) ? w : 1;
+ c.height = (h > 0) ? h : 1;
+
+ XConfigureWindow(dmxScreen->beDisplay, pWinPriv->window, m, &c);
+ }
+
+ if (w == 0 || h == 0) {
+ if (pWinPriv->mapped) {
+ if (dmxScreen->beDisplay)
+ XUnmapWindow(dmxScreen->beDisplay, pWinPriv->window);
+ pWinPriv->mapped = FALSE;
+ }
+ } else if (!pWinPriv->mapped) {
+ if (dmxScreen->beDisplay)
+ XMapWindow(dmxScreen->beDisplay, pWinPriv->window);
+ pWinPriv->mapped = TRUE;
+ }
+
+ if (dmxScreen->beDisplay)
+ dmxSync(dmxScreen, False);
+}
+
+void dmxGetDefaultWindowAttributes(WindowPtr pWindow,
+ Colormap *cmap,
+ Visual **visual)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+
+ if (pWindow->drawable.class != InputOnly &&
+ pWindow->optional &&
+ pWindow->optional->visual != wVisual(pWindow->parent)) {
+
+ /* Find the matching visual */
+ *visual = dmxLookupVisualFromID(pScreen, wVisual(pWindow));
+
+ /* Handle optional colormaps */
+ if (pWindow->optional->colormap) {
+ ColormapPtr pCmap;
+ dmxColormapPrivPtr pCmapPriv;
+
+ pCmap = (ColormapPtr)LookupIDByType(wColormap(pWindow),
+ RT_COLORMAP);
+ pCmapPriv = DMX_GET_COLORMAP_PRIV(pCmap);
+ *cmap = pCmapPriv->cmap;
+ } else {
+ *cmap = dmxColormapFromDefaultVisual(pScreen, *visual);
+ }
+ } else {
+ *visual = CopyFromParent;
+ *cmap = (Colormap)0;
+ }
+}
+
+static Window dmxCreateNonRootWindow(WindowPtr pWindow)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+ Window parent;
+ unsigned long mask = 0L;
+ XSetWindowAttributes attribs;
+ dmxWinPrivPtr pParentPriv = DMX_GET_WINDOW_PRIV(pWindow->parent);
+
+ /* Create window on back-end server */
+
+ parent = pParentPriv->window;
+
+ /* The parent won't exist if this call to CreateNonRootWindow came
+ from ReparentWindow and the grandparent window has not yet been
+ created */
+ if (!parent) {
+ dmxCreateAndRealizeWindow(pWindow->parent, FALSE);
+ parent = pParentPriv->window;
+ }
+
+ /* Incorporate new attributes, if needed */
+ if (pWinPriv->attribMask) {
+ dmxDoChangeWindowAttributes(pWindow, &pWinPriv->attribMask, &attribs);
+ mask |= pWinPriv->attribMask;
+ }
+
+ /* Add in default attributes */
+ if (pWindow->drawable.class != InputOnly) {
+ mask |= CWBackingStore;
+ attribs.backing_store = NotUseful;
+
+ if (!(mask & CWColormap) && pWinPriv->cmap) {
+ mask |= CWColormap;
+ attribs.colormap = pWinPriv->cmap;
+ if (!(mask & CWBorderPixel)) {
+ mask |= CWBorderPixel;
+ attribs.border_pixel = 0;
+ }
+ }
+ }
+
+ /* Handle case where subwindows are being mapped, but created out of
+ order -- if current window has a previous sibling, then it cannot
+ be created on top of the stack, so we must restack the windows */
+ pWinPriv->restacked = (pWindow->prevSib != NullWindow);
+
+ return XCreateWindow(dmxScreen->beDisplay,
+ parent,
+ pWindow->origin.x - wBorderWidth(pWindow),
+ pWindow->origin.y - wBorderWidth(pWindow),
+ pWindow->drawable.width,
+ pWindow->drawable.height,
+ pWindow->borderWidth,
+ pWindow->drawable.depth,
+ pWindow->drawable.class,
+ pWinPriv->visual,
+ mask,
+ &attribs);
+}
+
+/** This function handles lazy window creation and realization. Window
+ * creation is handled by #dmxCreateNonRootWindow(). It also handles
+ * any stacking changes that have occured since the window was
+ * originally created by calling #dmxDoRestackWindow(). If the window
+ * is shaped, the shape is set on the back-end server by calling
+ * #dmxDoSetShape(), and if the window has pictures (from RENDER)
+ * associated with it, those pictures are created on the back-end
+ * server by calling #dmxCreatePictureList(). If \a doSync is TRUE,
+ * then #dmxSync() is called. */
+void dmxCreateAndRealizeWindow(WindowPtr pWindow, Bool doSync)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+
+ if (!dmxScreen->beDisplay) return;
+
+ pWinPriv->window = dmxCreateNonRootWindow(pWindow);
+ if (pWinPriv->restacked) dmxDoRestackWindow(pWindow);
+#ifdef SHAPE
+ if (pWinPriv->isShaped) dmxDoSetShape(pWindow);
+#endif
+#ifdef RENDER
+ if (pWinPriv->hasPict) dmxCreatePictureList(pWindow);
+#endif
+ if (pWinPriv->mapped) XMapWindow(dmxScreen->beDisplay,
+ pWinPriv->window);
+ if (doSync) dmxSync(dmxScreen, False);
+}
+
+/** Create \a pWindow on the back-end server. If the lazy window
+ * creation optimization is enabled, then the actual creation and
+ * realization of the window is handled by
+ * #dmxCreateAndRealizeWindow(). */
+Bool dmxCreateWindow(WindowPtr pWindow)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+ Bool ret = TRUE;
+
+ DMX_UNWRAP(CreateWindow, dmxScreen, pScreen);
+#if 0
+ if (pScreen->CreateWindow)
+ ret = pScreen->CreateWindow(pWindow);
+#endif
+
+ /* Set up the defaults */
+ pWinPriv->window = (Window)0;
+ pWinPriv->offscreen = TRUE;
+ pWinPriv->mapped = FALSE;
+ pWinPriv->restacked = FALSE;
+ pWinPriv->attribMask = 0;
+#ifdef SHAPE
+ pWinPriv->isShaped = FALSE;
+#endif
+#ifdef RENDER
+ pWinPriv->hasPict = FALSE;
+#endif
+#ifdef GLXEXT
+ pWinPriv->swapGroup = NULL;
+ pWinPriv->barrier = 0;
+#endif
+
+ if (dmxScreen->beDisplay) {
+ /* Only create the root window at this stage -- non-root windows are
+ created when they are mapped and are on-screen */
+ if (!pWindow->parent) {
+ dmxScreen->rootWin = pWinPriv->window
+ = dmxCreateRootWindow(pWindow);
+ if (dmxScreen->scrnX != dmxScreen->rootX
+ || dmxScreen->scrnY != dmxScreen->rootY
+ || dmxScreen->scrnWidth != dmxScreen->rootWidth
+ || dmxScreen->scrnHeight != dmxScreen->rootHeight) {
+ dmxResizeRootWindow(pWindow,
+ dmxScreen->rootX,
+ dmxScreen->rootY,
+ dmxScreen->rootWidth,
+ dmxScreen->rootHeight);
+ dmxUpdateScreenResources(screenInfo.screens[dmxScreen->index],
+ dmxScreen->rootX,
+ dmxScreen->rootY,
+ dmxScreen->rootWidth,
+ dmxScreen->rootHeight);
+ pWindow->origin.x = dmxScreen->rootX;
+ pWindow->origin.y = dmxScreen->rootY;
+ }
+ } else {
+ dmxGetDefaultWindowAttributes(pWindow,
+ &pWinPriv->cmap,
+ &pWinPriv->visual);
+
+ if (dmxLazyWindowCreation) {
+ /* Save parent's visual for use later */
+ if (pWinPriv->visual == CopyFromParent)
+ pWinPriv->visual =
+ dmxLookupVisualFromID(pScreen,
+ wVisual(pWindow->parent));
+ } else {
+ pWinPriv->window = dmxCreateNonRootWindow(pWindow);
+ }
+ }
+
+ dmxSync(dmxScreen, False);
+ }
+
+ DMX_WRAP(CreateWindow, dmxCreateWindow, dmxScreen, pScreen);
+
+ return ret;
+}
+
+#ifndef RENDER
+static Bool dmxDestroyPictureList(WindowPtr pWindow)
+{
+ return TRUE;
+}
+#endif
+
+/** Destroy \a pWindow on the back-end server. */
+Bool dmxBEDestroyWindow(WindowPtr pWindow)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+
+ if (pWinPriv->window) {
+ XDestroyWindow(dmxScreen->beDisplay, pWinPriv->window);
+ pWinPriv->window = (Window)0;
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/** Destroy \a pWindow on the back-end server. If any RENDER pictures
+ were created, destroy them as well. */
+Bool dmxDestroyWindow(WindowPtr pWindow)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ Bool ret = TRUE;
+#ifdef GLXEXT
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+#endif
+
+ DMX_UNWRAP(DestroyWindow, dmxScreen, pScreen);
+
+ /* Destroy window on back-end server */
+ if (dmxDestroyPictureList(pWindow) || dmxBEDestroyWindow(pWindow)) {
+ dmxSync(dmxScreen, FALSE);
+ }
+
+#ifdef GLXEXT
+ if (pWinPriv->swapGroup && pWinPriv->windowDestroyed)
+ pWinPriv->windowDestroyed(pWindow);
+#endif
+
+#if 0
+ if (pScreen->DestroyWindow)
+ ret = pScreen->DestroyWindow(pWindow);
+#endif
+ DMX_WRAP(DestroyWindow, dmxDestroyWindow, dmxScreen, pScreen);
+
+ return ret;
+}
+
+/** Change the position of \a pWindow to be \a x, \a y. */
+Bool dmxPositionWindow(WindowPtr pWindow, int x, int y)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ Bool ret = TRUE;
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+ unsigned int m;
+ XWindowChanges c;
+
+ DMX_UNWRAP(PositionWindow, dmxScreen, pScreen);
+#if 0
+ if (pScreen->PositionWindow)
+ ret = pScreen->PositionWindow(pWindow, x, y);
+#endif
+
+ /* Determine if the window is completely off the visible portion of
+ the screen */
+ pWinPriv->offscreen = DMX_WINDOW_OFFSCREEN(pWindow);
+
+ /* If the window is now on-screen and it is mapped and it has not
+ been created yet, create it and map it */
+ if (!pWinPriv->window && pWinPriv->mapped && !pWinPriv->offscreen) {
+ dmxCreateAndRealizeWindow(pWindow, TRUE);
+ } else if (pWinPriv->window) {
+ /* Position window on back-end server */
+ m = CWX | CWY | CWWidth | CWHeight;
+ c.x = pWindow->origin.x - wBorderWidth(pWindow);
+ c.y = pWindow->origin.y - wBorderWidth(pWindow);
+ c.width = pWindow->drawable.width;
+ c.height = pWindow->drawable.height;
+ if (pWindow->drawable.class != InputOnly) {
+ m |= CWBorderWidth;
+ c.border_width = pWindow->borderWidth;
+ }
+
+ XConfigureWindow(dmxScreen->beDisplay, pWinPriv->window, m, &c);
+ dmxSync(dmxScreen, False);
+ }
+
+ DMX_WRAP(PositionWindow, dmxPositionWindow, dmxScreen, pScreen);
+
+ return ret;
+}
+
+static void dmxDoChangeWindowAttributes(WindowPtr pWindow,
+ unsigned long *mask,
+ XSetWindowAttributes *attribs)
+{
+ dmxPixPrivPtr pPixPriv;
+
+ if (*mask & CWBackPixmap) {
+ switch (pWindow->backgroundState) {
+ case None:
+ attribs->background_pixmap = None;
+ break;
+
+ case ParentRelative:
+ attribs->background_pixmap = ParentRelative;
+ break;
+
+ case BackgroundPixmap:
+ pPixPriv = DMX_GET_PIXMAP_PRIV(pWindow->background.pixmap);
+ attribs->background_pixmap = pPixPriv->pixmap;
+ break;
+
+ case BackgroundPixel:
+ *mask &= ~CWBackPixmap;
+ break;
+ }
+ }
+
+ if (*mask & CWBackPixel) {
+ if (pWindow->backgroundState == BackgroundPixel)
+ attribs->background_pixel = pWindow->background.pixel;
+ else
+ *mask &= ~CWBackPixel;
+ }
+
+ if (*mask & CWBorderPixmap) {
+ if (pWindow->borderIsPixel)
+ *mask &= ~CWBorderPixmap;
+ else {
+ pPixPriv = DMX_GET_PIXMAP_PRIV(pWindow->border.pixmap);
+ attribs->border_pixmap = pPixPriv->pixmap;
+ }
+ }
+
+ if (*mask & CWBorderPixel) {
+ if (pWindow->borderIsPixel)
+ attribs->border_pixel = pWindow->border.pixel;
+ else
+ *mask &= ~CWBorderPixel;
+ }
+
+ if (*mask & CWBitGravity)
+ attribs->bit_gravity = pWindow->bitGravity;
+
+ if (*mask & CWWinGravity)
+ *mask &= ~CWWinGravity; /* Handled by dix */
+
+ if (*mask & CWBackingStore)
+ *mask &= ~CWBackingStore; /* Backing store not supported */
+
+ if (*mask & CWBackingPlanes)
+ *mask &= ~CWBackingPlanes; /* Backing store not supported */
+
+ if (*mask & CWBackingPixel)
+ *mask &= ~CWBackingPixel; /* Backing store not supported */
+
+ if (*mask & CWOverrideRedirect)
+ attribs->override_redirect = pWindow->overrideRedirect;
+
+ if (*mask & CWSaveUnder)
+ *mask &= ~CWSaveUnder; /* Save unders not supported */
+
+ if (*mask & CWEventMask)
+ *mask &= ~CWEventMask; /* Events are handled by dix */
+
+ if (*mask & CWDontPropagate)
+ *mask &= ~CWDontPropagate; /* Events are handled by dix */
+
+ if (*mask & CWColormap) {
+ ColormapPtr pCmap;
+ dmxColormapPrivPtr pCmapPriv;
+
+ pCmap = (ColormapPtr)LookupIDByType(wColormap(pWindow), RT_COLORMAP);
+ pCmapPriv = DMX_GET_COLORMAP_PRIV(pCmap);
+ attribs->colormap = pCmapPriv->cmap;
+ }
+
+ if (*mask & CWCursor)
+ *mask &= ~CWCursor; /* Handled by the cursor code */
+}
+
+/** Change the window attributes of \a pWindow. */
+Bool dmxChangeWindowAttributes(WindowPtr pWindow, unsigned long mask)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ Bool ret = TRUE;
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+ XSetWindowAttributes attribs;
+
+ DMX_UNWRAP(ChangeWindowAttributes, dmxScreen, pScreen);
+#if 0
+ if (pScreen->ChangeWindowAttributes)
+ ret = pScreen->ChangeWindowAttributes(pWindow, mask);
+#endif
+
+ /* Change window attribs on back-end server */
+ dmxDoChangeWindowAttributes(pWindow, &mask, &attribs);
+
+ /* Save mask for lazy window creation optimization */
+ pWinPriv->attribMask |= mask;
+
+ if (mask && pWinPriv->window) {
+ XChangeWindowAttributes(dmxScreen->beDisplay, pWinPriv->window,
+ mask, &attribs);
+ dmxSync(dmxScreen, False);
+ }
+
+ DMX_WRAP(ChangeWindowAttributes, dmxChangeWindowAttributes, dmxScreen,
+ pScreen);
+
+ return ret;
+}
+
+/** Realize \a pWindow on the back-end server. If the lazy window
+ * creation optimization is enabled, the window is only realized when
+ * it at least partially overlaps the screen. */
+Bool dmxRealizeWindow(WindowPtr pWindow)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ Bool ret = TRUE;
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+
+ DMX_UNWRAP(RealizeWindow, dmxScreen, pScreen);
+#if 0
+ if (pScreen->RealizeWindow)
+ ret = pScreen->RealizeWindow(pWindow);
+#endif
+
+ /* Determine if the window is completely off the visible portion of
+ the screen */
+ pWinPriv->offscreen = DMX_WINDOW_OFFSCREEN(pWindow);
+
+ /* If the window hasn't been created and it's not offscreen, then
+ create it */
+ if (!pWinPriv->window && !pWinPriv->offscreen) {
+ dmxCreateAndRealizeWindow(pWindow, FALSE);
+ }
+
+ if (pWinPriv->window) {
+ /* Realize window on back-end server */
+ XMapWindow(dmxScreen->beDisplay, pWinPriv->window);
+ dmxSync(dmxScreen, False);
+ }
+
+ /* Let the other functions know that the window is now mapped */
+ pWinPriv->mapped = TRUE;
+
+ DMX_WRAP(RealizeWindow, dmxRealizeWindow, dmxScreen, pScreen);
+
+ dmxUpdateWindowInfo(DMX_UPDATE_REALIZE, pWindow);
+ return ret;
+}
+
+/** Unrealize \a pWindow on the back-end server. */
+Bool dmxUnrealizeWindow(WindowPtr pWindow)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ Bool ret = TRUE;
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+
+ DMX_UNWRAP(UnrealizeWindow, dmxScreen, pScreen);
+#if 0
+ if (pScreen->UnrealizeWindow)
+ ret = pScreen->UnrealizeWindow(pWindow);
+#endif
+
+ if (pWinPriv->window) {
+ /* Unrealize window on back-end server */
+ XUnmapWindow(dmxScreen->beDisplay, pWinPriv->window);
+ dmxSync(dmxScreen, False);
+ }
+
+ /* When unrealized (i.e., unmapped), the window is always considered
+ off of the visible portion of the screen */
+ pWinPriv->offscreen = TRUE;
+ pWinPriv->mapped = FALSE;
+
+#ifdef GLXEXT
+ if (pWinPriv->swapGroup && pWinPriv->windowUnmapped)
+ pWinPriv->windowUnmapped(pWindow);
+#endif
+
+ DMX_WRAP(UnrealizeWindow, dmxUnrealizeWindow, dmxScreen, pScreen);
+
+ dmxUpdateWindowInfo(DMX_UPDATE_UNREALIZE, pWindow);
+ return ret;
+}
+
+static void dmxDoRestackWindow(WindowPtr pWindow)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+ WindowPtr pNextSib = pWindow->nextSib;
+ unsigned int m;
+ XWindowChanges c;
+
+ if (pNextSib == NullWindow) {
+ /* Window is at the bottom of the stack */
+ m = CWStackMode;
+ c.sibling = (Window)0;
+ c.stack_mode = Below;
+ XConfigureWindow(dmxScreen->beDisplay, pWinPriv->window, m, &c);
+ } else {
+ /* Window is not at the bottom of the stack */
+ dmxWinPrivPtr pNextSibPriv = DMX_GET_WINDOW_PRIV(pNextSib);
+
+ /* Handle case where siblings have not yet been created due to
+ lazy window creation optimization by first finding the next
+ sibling in the sibling list that has been created (if any)
+ and then putting the current window just above that sibling,
+ and if no next siblings have been created yet, then put it at
+ the bottom of the stack (since it might have a previous
+ sibling that should be above it). */
+ while (!pNextSibPriv->window) {
+ pNextSib = pNextSib->nextSib;
+ if (pNextSib == NullWindow) {
+ /* Window is at the bottom of the stack */
+ m = CWStackMode;
+ c.sibling = (Window)0;
+ c.stack_mode = Below;
+ XConfigureWindow(dmxScreen->beDisplay, pWinPriv->window, m, &c);
+ return;
+ }
+ pNextSibPriv = DMX_GET_WINDOW_PRIV(pNextSib);
+ }
+
+ m = CWStackMode | CWSibling;
+ c.sibling = pNextSibPriv->window;
+ c.stack_mode = Above;
+ XConfigureWindow(dmxScreen->beDisplay, pWinPriv->window, m, &c);
+ }
+}
+
+/** Handle window restacking. The actual restacking occurs in
+ * #dmxDoRestackWindow(). */
+void dmxRestackWindow(WindowPtr pWindow, WindowPtr pOldNextSib)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+
+ DMX_UNWRAP(RestackWindow, dmxScreen, pScreen);
+#if 0
+ if (pScreen->RestackWindow)
+ pScreen->RestackWindow(pWindow, pOldNextSib);
+#endif
+
+ if (pOldNextSib != pWindow->nextSib) {
+ /* Track restacking for lazy window creation optimization */
+ pWinPriv->restacked = TRUE;
+
+ /* Restack window on back-end server */
+ if (pWinPriv->window) {
+ dmxDoRestackWindow(pWindow);
+ dmxSync(dmxScreen, False);
+ }
+ }
+
+ DMX_WRAP(RestackWindow, dmxRestackWindow, dmxScreen, pScreen);
+ dmxUpdateWindowInfo(DMX_UPDATE_RESTACK, pWindow);
+}
+
+static Bool dmxWindowExposurePredicate(Display *dpy, XEvent *ev, XPointer ptr)
+{
+ return (ev->type == Expose && ev->xexpose.window == *(Window *)ptr);
+}
+
+/** Handle exposures on \a pWindow. Since window exposures are handled
+ * in DMX, the events that are generated by the back-end server are
+ * redundant, so we eat them here. */
+void dmxWindowExposures(WindowPtr pWindow, RegionPtr prgn,
+ RegionPtr other_exposed)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+ XEvent ev;
+
+ DMX_UNWRAP(WindowExposures, dmxScreen, pScreen);
+
+ dmxSync(dmxScreen, False);
+
+ if (pWinPriv->window) {
+ while (XCheckIfEvent(dmxScreen->beDisplay, &ev,
+ dmxWindowExposurePredicate,
+ (XPointer)&pWinPriv->window)) {
+ /* Handle expose events -- this should not be necessary
+ since the base window in which the root window was
+ created is guaranteed to be on top (override_redirect),
+ so we should just swallow these events. If for some
+ reason the window is not on top, then we'd need to
+ collect these events and send them to the client later
+ (e.g., during the block handler as Xnest does). */
+ }
+ }
+
+#if 1
+ if (pScreen->WindowExposures)
+ pScreen->WindowExposures(pWindow, prgn, other_exposed);
+#endif
+ DMX_WRAP(WindowExposures, dmxWindowExposures, dmxScreen, pScreen);
+}
+
+/** Paint background of \a pWindow in \a pRegion. */
+void dmxPaintWindowBackground(WindowPtr pWindow, RegionPtr pRegion, int what)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+ BoxPtr pBox;
+ int nBox;
+
+ DMX_UNWRAP(PaintWindowBackground, dmxScreen, pScreen);
+#if 0
+ if (pScreen->PaintWindowBackground)
+ pScreen->PaintWindowBackground(pWindow, pRegion, what);
+#endif
+
+ if (pWinPriv->window) {
+ /* Paint window background on back-end server */
+ pBox = REGION_RECTS(pRegion);
+ nBox = REGION_NUM_RECTS(pRegion);
+ while (nBox--) {
+ XClearArea(dmxScreen->beDisplay, pWinPriv->window,
+ pBox->x1 - pWindow->drawable.x,
+ pBox->y1 - pWindow->drawable.y,
+ pBox->x2 - pBox->x1,
+ pBox->y2 - pBox->y1,
+ False);
+ pBox++;
+ }
+ dmxSync(dmxScreen, False);
+ }
+
+ DMX_WRAP(PaintWindowBackground, dmxPaintWindowBackground, dmxScreen, pScreen);
+}
+
+/** Paint window border for \a pWindow in \a pRegion. */
+void dmxPaintWindowBorder(WindowPtr pWindow, RegionPtr pRegion, int what)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+
+ DMX_UNWRAP(PaintWindowBorder, dmxScreen, pScreen);
+#if 0
+ if (pScreen->PaintWindowBorder)
+ pScreen->PaintWindowBorder(pWindow, pRegion, what);
+#endif
+
+ /* Paint window border on back-end server */
+
+ DMX_WRAP(PaintWindowBorder, dmxPaintWindowBorder, dmxScreen, pScreen);
+}
+
+/** Move \a pWindow on the back-end server. Determine whether or not it
+ * is on or offscreen, and realize it if it is newly on screen and the
+ * lazy window creation optimization is enabled. */
+void dmxCopyWindow(WindowPtr pWindow, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+ unsigned int m;
+ XWindowChanges c;
+
+ DMX_UNWRAP(CopyWindow, dmxScreen, pScreen);
+#if 0
+ if (pScreen->CopyWindow)
+ pScreen->CopyWindow(pWindow, ptOldOrg, prgnSrc);
+#endif
+
+ /* Determine if the window is completely off the visible portion of
+ the screen */
+ pWinPriv->offscreen = DMX_WINDOW_OFFSCREEN(pWindow);
+
+ /* If the window is now on-screen and it is mapped and it has not
+ been created yet, create it and map it */
+ if (!pWinPriv->window && pWinPriv->mapped && !pWinPriv->offscreen) {
+ dmxCreateAndRealizeWindow(pWindow, TRUE);
+ } else if (pWinPriv->window) {
+ /* Move window on back-end server */
+ m = CWX | CWY | CWWidth | CWHeight;
+ c.x = pWindow->origin.x - wBorderWidth(pWindow);
+ c.y = pWindow->origin.y - wBorderWidth(pWindow);
+ c.width = pWindow->drawable.width;
+ c.height = pWindow->drawable.height;
+
+ XConfigureWindow(dmxScreen->beDisplay, pWinPriv->window, m, &c);
+ dmxSync(dmxScreen, False);
+ }
+
+ DMX_WRAP(CopyWindow, dmxCopyWindow, dmxScreen, pScreen);
+ dmxUpdateWindowInfo(DMX_UPDATE_COPY, pWindow);
+}
+
+/** Resize \a pWindow on the back-end server. Determine whether or not
+ * it is on or offscreen, and realize it if it is newly on screen and
+ * the lazy window creation optimization is enabled. */
+void dmxResizeWindow(WindowPtr pWindow, int x, int y,
+ unsigned int w, unsigned int h, WindowPtr pSib)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+ dmxWinPrivPtr pSibPriv;
+ unsigned int m;
+ XWindowChanges c;
+
+ if (pSib)
+ pSibPriv = DMX_GET_WINDOW_PRIV(pSib);
+
+ DMX_UNWRAP(ResizeWindow, dmxScreen, pScreen);
+#if 1
+ if (pScreen->ResizeWindow)
+ pScreen->ResizeWindow(pWindow, x, y, w, h, pSib);
+#endif
+
+ /* Determine if the window is completely off the visible portion of
+ the screen */
+ pWinPriv->offscreen = DMX_WINDOW_OFFSCREEN(pWindow);
+
+ /* If the window is now on-screen and it is mapped and it has not
+ been created yet, create it and map it */
+ if (!pWinPriv->window && pWinPriv->mapped && !pWinPriv->offscreen) {
+ dmxCreateAndRealizeWindow(pWindow, TRUE);
+ } else if (pWinPriv->window) {
+ /* Handle resizing on back-end server */
+ m = CWX | CWY | CWWidth | CWHeight;
+ c.x = pWindow->origin.x - wBorderWidth(pWindow);
+ c.y = pWindow->origin.y - wBorderWidth(pWindow);
+ c.width = pWindow->drawable.width;
+ c.height = pWindow->drawable.height;
+
+ XConfigureWindow(dmxScreen->beDisplay, pWinPriv->window, m, &c);
+ dmxSync(dmxScreen, False);
+ }
+
+ DMX_WRAP(ResizeWindow, dmxResizeWindow, dmxScreen, pScreen);
+ dmxUpdateWindowInfo(DMX_UPDATE_RESIZE, pWindow);
+}
+
+/** Reparent \a pWindow on the back-end server. */
+void dmxReparentWindow(WindowPtr pWindow, WindowPtr pPriorParent)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+ dmxWinPrivPtr pParentPriv = DMX_GET_WINDOW_PRIV(pWindow->parent);
+
+ DMX_UNWRAP(ReparentWindow, dmxScreen, pScreen);
+#if 0
+ if (pScreen->ReparentWindow)
+ pScreen->ReparentWindow(pWindow, pPriorParent);
+#endif
+
+ if (pWinPriv->window) {
+ if (!pParentPriv->window) {
+ dmxCreateAndRealizeWindow(pWindow->parent, FALSE);
+ }
+
+ /* Handle reparenting on back-end server */
+ XReparentWindow(dmxScreen->beDisplay, pWinPriv->window,
+ pParentPriv->window,
+ pWindow->origin.x - wBorderWidth(pWindow),
+ pWindow->origin.x - wBorderWidth(pWindow));
+ dmxSync(dmxScreen, False);
+ }
+
+ DMX_WRAP(ReparentWindow, dmxReparentWindow, dmxScreen, pScreen);
+ dmxUpdateWindowInfo(DMX_UPDATE_REPARENT, pWindow);
+}
+
+/** Change border width for \a pWindow to \a width pixels. */
+void dmxChangeBorderWidth(WindowPtr pWindow, unsigned int width)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+ unsigned int m;
+ XWindowChanges c;
+
+ DMX_UNWRAP(ChangeBorderWidth, dmxScreen, pScreen);
+#if 1
+ if (pScreen->ChangeBorderWidth)
+ pScreen->ChangeBorderWidth(pWindow, width);
+#endif
+
+ /* NOTE: Do we need to check for on/off screen here? */
+
+ if (pWinPriv->window) {
+ /* Handle border width change on back-end server */
+ m = CWBorderWidth;
+ c.border_width = width;
+
+ XConfigureWindow(dmxScreen->beDisplay, pWinPriv->window, m, &c);
+ dmxSync(dmxScreen, False);
+ }
+
+ DMX_WRAP(ChangeBorderWidth, dmxChangeBorderWidth, dmxScreen, pScreen);
+}
+
+#ifdef SHAPE
+static void dmxDoSetShape(WindowPtr pWindow)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+ int nBox;
+ BoxPtr pBox;
+ int nRect;
+ XRectangle *pRect;
+ XRectangle *pRectFirst;
+
+ /* First, set the bounding shape */
+ if (wBoundingShape(pWindow)) {
+ pBox = REGION_RECTS(wBoundingShape(pWindow));
+ nRect = nBox = REGION_NUM_RECTS(wBoundingShape(pWindow));
+ pRectFirst = pRect = xalloc(nRect * sizeof(*pRect));
+ while (nBox--) {
+ pRect->x = pBox->x1;
+ pRect->y = pBox->y1;
+ pRect->width = pBox->x2 - pBox->x1;
+ pRect->height = pBox->y2 - pBox->y1;
+ pBox++;
+ pRect++;
+ }
+ XShapeCombineRectangles(dmxScreen->beDisplay, pWinPriv->window,
+ ShapeBounding, 0, 0,
+ pRectFirst, nRect,
+ ShapeSet, YXBanded);
+ xfree(pRectFirst);
+ } else {
+ XShapeCombineMask(dmxScreen->beDisplay, pWinPriv->window,
+ ShapeBounding, 0, 0, None, ShapeSet);
+ }
+
+ /* Next, set the clip shape */
+ if (wClipShape(pWindow)) {
+ pBox = REGION_RECTS(wClipShape(pWindow));
+ nRect = nBox = REGION_NUM_RECTS(wClipShape(pWindow));
+ pRectFirst = pRect = xalloc(nRect * sizeof(*pRect));
+ while (nBox--) {
+ pRect->x = pBox->x1;
+ pRect->y = pBox->y1;
+ pRect->width = pBox->x2 - pBox->x1;
+ pRect->height = pBox->y2 - pBox->y1;
+ pBox++;
+ pRect++;
+ }
+ XShapeCombineRectangles(dmxScreen->beDisplay, pWinPriv->window,
+ ShapeClip, 0, 0,
+ pRectFirst, nRect,
+ ShapeSet, YXBanded);
+ xfree(pRectFirst);
+ } else {
+ XShapeCombineMask(dmxScreen->beDisplay, pWinPriv->window,
+ ShapeClip, 0, 0, None, ShapeSet);
+ }
+
+ if (XShapeInputSelected(dmxScreen->beDisplay, pWinPriv->window)) {
+ ErrorF("Input selected for window %x on Screen %d\n",
+ (unsigned int)pWinPriv->window, pScreen->myNum);
+ }
+}
+
+/** Set shape of \a pWindow on the back-end server. */
+void dmxSetShape(WindowPtr pWindow)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow);
+
+ DMX_UNWRAP(SetShape, dmxScreen, pScreen);
+#if 1
+ if (pScreen->SetShape)
+ pScreen->SetShape(pWindow);
+#endif
+
+ if (pWinPriv->window) {
+ /* Handle setting the current shape on the back-end server */
+ dmxDoSetShape(pWindow);
+ dmxSync(dmxScreen, False);
+ } else {
+ pWinPriv->isShaped = TRUE;
+ }
+
+ DMX_WRAP(SetShape, dmxSetShape, dmxScreen, pScreen);
+}
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 08:58:29 +0000