diff options
Diffstat (limited to 'xorg-server/miext/rootless/rootlessWindow.c')
| -rw-r--r-- | xorg-server/miext/rootless/rootlessWindow.c | 3324 |
1 files changed, 1662 insertions, 1662 deletions
diff --git a/xorg-server/miext/rootless/rootlessWindow.c b/xorg-server/miext/rootless/rootlessWindow.c index e69e605c9..a78757086 100644 --- a/xorg-server/miext/rootless/rootlessWindow.c +++ b/xorg-server/miext/rootless/rootlessWindow.c @@ -1,1662 +1,1662 @@ -/* - * 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 _MSC_VER -#define inline __inline -#include "xplugin.h" -extern int darwinMainScreenX, darwinMainScreenY; -#endif - -#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 _MSC_VER
+#define inline __inline
+#include "xplugin.h"
+extern int darwinMainScreenX, darwinMainScreenY;
+#endif
+
+#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);
+ }
+}
+
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