diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/dmx/dmxextension.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/dmx/dmxextension.c | 1497 |
1 files changed, 0 insertions, 1497 deletions
diff --git a/nx-X11/programs/Xserver/hw/dmx/dmxextension.c b/nx-X11/programs/Xserver/hw/dmx/dmxextension.c deleted file mode 100644 index feadb5e31..000000000 --- a/nx-X11/programs/Xserver/hw/dmx/dmxextension.c +++ /dev/null @@ -1,1497 +0,0 @@ -/* $XFree86$ */ -/* - * Copyright 2003-2004 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. - */ - -/* - * Author: - * Rickard E. (Rik) Faith <faith@redhat.com> - * Kevin E. Martin <kem@redhat.com> - * - */ - -/** \file - * This file provides the only interface to the X server extension support - * in programs/Xserver/Xext. Those programs should only include dmxext.h - */ - -#ifdef HAVE_DMX_CONFIG_H -#include <dmx-config.h> -#endif - -#include "dmx.h" -#include "dmxinit.h" -#include "dmxextension.h" -#include "dmxwindow.h" -#include "dmxcb.h" -#include "dmxcursor.h" -#include "dmxpixmap.h" -#include "dmxgc.h" -#include "dmxfont.h" -#include "dmxcmap.h" -#ifdef RENDER -#include "dmxpict.h" -#endif -#include "dmxinput.h" -#include "dmxsync.h" -#include "dmxscrinit.h" -#include "input/dmxinputinit.h" - -#include "windowstr.h" -#include "inputstr.h" /* For DeviceIntRec */ -#include <X11/extensions/dmxproto.h> /* For DMX_BAD_* */ -#include "cursorstr.h" - -/* The default font is declared in dix/globals.c, but is not included in - * _any_ header files. */ -extern FontPtr defaultFont; - -/** This routine provides information to the DMX protocol extension - * about a particular screen. */ -Bool dmxGetScreenAttributes(int physical, DMXScreenAttributesPtr attr) -{ - DMXScreenInfo *dmxScreen; - - if (physical < 0 || physical >= dmxNumScreens) return FALSE; - - dmxScreen = &dmxScreens[physical]; - attr->displayName = dmxScreen->name; -#ifdef PANORAMIX - attr->logicalScreen = noPanoramiXExtension ? dmxScreen->index : 0; -#else - attr->logicalScreen = dmxScreen->index; -#endif - - attr->screenWindowWidth = dmxScreen->scrnWidth; - attr->screenWindowHeight = dmxScreen->scrnHeight; - attr->screenWindowXoffset = dmxScreen->scrnX; - attr->screenWindowYoffset = dmxScreen->scrnY; - - attr->rootWindowWidth = dmxScreen->rootWidth; - attr->rootWindowHeight = dmxScreen->rootHeight; - attr->rootWindowXoffset = dmxScreen->rootX; - attr->rootWindowYoffset = dmxScreen->rootY; - - attr->rootWindowXorigin = dmxScreen->rootXOrigin; - attr->rootWindowYorigin = dmxScreen->rootYOrigin; - - return TRUE; -} - -/** This routine provides information to the DMX protocol extension - * about a particular window. */ -Bool dmxGetWindowAttributes(WindowPtr pWindow, DMXWindowAttributesPtr attr) -{ - dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow); - - attr->screen = pWindow->drawable.pScreen->myNum; - attr->window = pWinPriv->window; - - attr->pos.x = pWindow->drawable.x; - attr->pos.y = pWindow->drawable.y; - attr->pos.width = pWindow->drawable.width; - attr->pos.height = pWindow->drawable.height; - - if (!pWinPriv->window || pWinPriv->offscreen) { - attr->vis.x = 0; - attr->vis.y = 0; - attr->vis.height = 0; - attr->vis.width = 0; - return pWinPriv->window ? TRUE : FALSE; - } - - /* Compute display-relative coordinates */ - attr->vis.x = pWindow->drawable.x; - attr->vis.y = pWindow->drawable.y; - attr->vis.width = pWindow->drawable.width; - attr->vis.height = pWindow->drawable.height; - - if (attr->pos.x < 0) { - attr->vis.x -= attr->pos.x; - attr->vis.width = attr->pos.x + attr->pos.width - attr->vis.x; - } - if (attr->pos.x + attr->pos.width > pWindow->drawable.pScreen->width) { - if (attr->pos.x < 0) - attr->vis.width = pWindow->drawable.pScreen->width; - else - attr->vis.width = pWindow->drawable.pScreen->width - attr->pos.x; - } - if (attr->pos.y < 0) { - attr->vis.y -= attr->pos.y; - attr->vis.height = attr->pos.y + attr->pos.height - attr->vis.y; - } - if (attr->pos.y + attr->pos.height > pWindow->drawable.pScreen->height) { - if (attr->pos.y < 0) - attr->vis.height = pWindow->drawable.pScreen->height; - else - attr->vis.height = pWindow->drawable.pScreen->height - attr->pos.y; - } - - /* Convert to window-relative coordinates */ - attr->vis.x -= attr->pos.x; - attr->vis.y -= attr->pos.y; - - return TRUE; -} - -void dmxGetDesktopAttributes(DMXDesktopAttributesPtr attr) -{ - attr->width = dmxGlobalWidth; - attr->height = dmxGlobalHeight; - attr->shiftX = 0; /* NOTE: The upper left hand corner of */ - attr->shiftY = 0; /* the desktop is always <0,0>. */ -} - -/** Return the total number of devices, not just #dmxNumInputs. The - * number returned should be the same as that returned by - * XListInputDevices. */ -int dmxGetInputCount(void) -{ - int i, total; - - for (total = i = 0; i < dmxNumInputs; i++) total += dmxInputs[i].numDevs; - return total; -} - -/** Return information about the device with id = \a deviceId. This - * information is primarily for the #ProcDMXGetInputAttributes() - * function, which does not have access to the appropriate data - * structure. */ -int dmxGetInputAttributes(int deviceId, DMXInputAttributesPtr attr) -{ - int i, j; - DMXInputInfo *dmxInput; - - if (deviceId < 0) return -1; - for (i = 0; i < dmxNumInputs; i++) { - dmxInput = &dmxInputs[i]; - for (j = 0; j < dmxInput->numDevs; j++) { - DMXLocalInputInfoPtr dmxLocal = dmxInput->devs[j]; - if (deviceId != dmxLocal->pDevice->id) continue; - attr->isCore = !!dmxLocal->isCore; - attr->sendsCore = !!dmxLocal->sendsCore; - attr->detached = !!dmxInput->detached; - attr->physicalScreen = -1; - attr->physicalId = -1; - attr->name = NULL; - switch (dmxLocal->extType) { - case DMX_LOCAL_TYPE_LOCAL: - attr->inputType = 0; - break; - case DMX_LOCAL_TYPE_CONSOLE: - attr->inputType = 1; - attr->name = dmxInput->name; - attr->physicalId = dmxLocal->deviceId; - break; - case DMX_LOCAL_TYPE_BACKEND: - case DMX_LOCAL_TYPE_COMMON: - attr->inputType = 2; - attr->physicalScreen = dmxInput->scrnIdx; - attr->name = dmxInput->name; - attr->physicalId = dmxLocal->deviceId; - break; - } - return 0; /* Success */ - } - } - return -1; /* Failure */ -} - -/** Reinitialized the cursor boundaries. */ -static void dmxAdjustCursorBoundaries(void) -{ - int i; - - dmxReInitOrigins(); - dmxInitOverlap(); - dmxComputeWidthHeight(DMX_NO_RECOMPUTE_BOUNDING_BOX); - dmxConnectionBlockCallback(); - for (i = 0; i < dmxNumInputs; i++) { - DMXInputInfo *dmxInput = &dmxInputs[i]; - if (!dmxInput->detached) dmxInputReInit(dmxInput); - } - - dmxCheckCursor(); - - for (i = 0; i < dmxNumInputs; i++) { - DMXInputInfo *dmxInput = &dmxInputs[i]; - if (!dmxInput->detached) dmxInputLateReInit(dmxInput); - } -} - -/** Add an input with the specified attributes. If the input is added, - * the physical id is returned in \a deviceId. */ -int dmxAddInput(DMXInputAttributesPtr attr, int *id) -{ - int retcode = BadValue; - - if (attr->inputType == 1) /* console */ - retcode = dmxInputAttachConsole(attr->name, attr->sendsCore, id); - else if (attr->inputType == 2) /* backend */ - retcode = dmxInputAttachBackend(attr->physicalScreen, - attr->sendsCore,id); - - if (retcode == Success) { - /* Adjust the cursor boundaries */ - dmxAdjustCursorBoundaries(); - - /* Force completion of the changes */ - dmxSync(NULL, TRUE); - } - - return retcode; -} - -/** Remove the input with physical id \a id. */ -int dmxRemoveInput(int id) -{ - return dmxInputDetachId(id); -} - -/** Return the value of #dmxNumScreens -- the total number of backend - * screens in use (these are logical screens and may be larger than the - * number of backend displays). */ -unsigned long dmxGetNumScreens(void) -{ - return dmxNumScreens; -} - -/** Make sure that #dmxCreateAndRealizeWindow has been called for \a - * pWindow. */ -void dmxForceWindowCreation(WindowPtr pWindow) -{ - dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pWindow); - if (!pWinPriv->window) dmxCreateAndRealizeWindow(pWindow, TRUE); -} - -/** Flush pending syncs for all screens. */ -void dmxFlushPendingSyncs(void) -{ - dmxSync(NULL, TRUE); -} - -/** Update DMX's screen resources to match those of the newly moved - * and/or resized "root" window. */ -void dmxUpdateScreenResources(ScreenPtr pScreen, int x, int y, int w, int h) -{ - DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; - WindowPtr pRoot = WindowTable[pScreen->myNum]; - WindowPtr pChild; - Bool anyMarked = FALSE; - - /* Handle special case where width and/or height are zero */ - if (w == 0 || h == 0) { - w = 1; - h = 1; - } - - /* Change screen size */ - pScreen->width = w; - pScreen->height = h; - - /* Reset the root window's drawable's size */ - pRoot->drawable.width = w; - pRoot->drawable.height = h; - - /* Set the root window's new winSize and borderSize */ - pRoot->winSize.extents.x1 = 0; - pRoot->winSize.extents.y1 = 0; - pRoot->winSize.extents.x2 = w; - pRoot->winSize.extents.y2 = h; - - pRoot->borderSize.extents.x1 = 0; - pRoot->borderSize.extents.y1 = 0; - pRoot->borderSize.extents.x2 = w; - pRoot->borderSize.extents.y2 = h; - - /* Recompute this screen's mmWidth & mmHeight */ - pScreen->mmWidth = - (w * 254 + dmxScreen->beXDPI * 5) / (dmxScreen->beXDPI * 10); - pScreen->mmHeight = - (h * 254 + dmxScreen->beYDPI * 5) / (dmxScreen->beYDPI * 10); - - /* Recompute this screen's window's clip rects as follows: */ - /* 1. Mark all of root's children's windows */ - for (pChild = pRoot->firstChild; pChild; pChild = pChild->nextSib) - anyMarked |= pScreen->MarkOverlappedWindows(pChild, pChild, - (WindowPtr *)NULL); - - /* 2. Set the root window's borderClip */ - pRoot->borderClip.extents.x1 = 0; - pRoot->borderClip.extents.y1 = 0; - pRoot->borderClip.extents.x2 = w; - pRoot->borderClip.extents.y2 = h; - - /* 3. Set the root window's clipList */ - if (anyMarked) { - /* If any windows have been marked, set the root window's - * clipList to be broken since it will be recalculated in - * ValidateTree() - */ - REGION_BREAK(pScreen, &pRoot->clipList); - } else { - /* Otherwise, we just set it directly since there are no - * windows visible on this screen - */ - pRoot->clipList.extents.x1 = 0; - pRoot->clipList.extents.y1 = 0; - pRoot->clipList.extents.x2 = w; - pRoot->clipList.extents.y2 = h; - } - - /* 4. Revalidate all clip rects and generate expose events */ - if (anyMarked) { - pScreen->ValidateTree(pRoot, NULL, VTBroken); - pScreen->HandleExposures(pRoot); - if (pScreen->PostValidateTree) - pScreen->PostValidateTree(pRoot, NULL, VTBroken); - } -} - -#ifdef PANORAMIX -#include "panoramiXsrv.h" - -/* Defined in dix/events.c */ -extern void ReinitializeRootWindow(WindowPtr win, int xoff, int yoff); - -/** Change the "screen" window attributes by resizing the actual window - * on the back-end display (if necessary). */ -static void dmxConfigureScreenWindow(int idx, - int x, int y, int w, int h) -{ - DMXScreenInfo *dmxScreen = &dmxScreens[idx]; - ScreenPtr pScreen = screenInfo.screens[idx]; - - /* Resize "screen" window */ - if (dmxScreen->scrnX != x || - dmxScreen->scrnY != y || - dmxScreen->scrnWidth != w || - dmxScreen->scrnHeight != h) { - dmxResizeScreenWindow(pScreen, x, y, w, h); - } - - /* Change "screen" window values */ - dmxScreen->scrnX = x; - dmxScreen->scrnY = y; - dmxScreen->scrnWidth = w; - dmxScreen->scrnHeight = h; -} - -/** Change the "root" window position and size by resizing the actual - * window on the back-end display (if necessary) and updating all of - * DMX's resources by calling #dmxUpdateScreenResources. */ -static void dmxConfigureRootWindow(int idx, int x, int y, int w, int h) -{ - DMXScreenInfo *dmxScreen = &dmxScreens[idx]; - WindowPtr pRoot = WindowTable[idx]; - - /* NOTE: Either this function or the ones that it calls must handle - * the case where w == 0 || h == 0. Currently, the functions that - * this one calls handle that case. */ - - /* 1. Resize "root" window */ - if (dmxScreen->rootX != x || - dmxScreen->rootY != y || - dmxScreen->rootWidth != w || - dmxScreen->rootHeight != h) { - dmxResizeRootWindow(pRoot, x, y, w, h); - } - - /* 2. Update all of the screen's resources associated with this root - * window */ - if (dmxScreen->rootWidth != w || - dmxScreen->rootHeight != h) { - dmxUpdateScreenResources(screenInfo.screens[idx], x, y, w, h); - } - - /* Change "root" window values */ - dmxScreen->rootX = x; - dmxScreen->rootY = y; - dmxScreen->rootWidth = w; - dmxScreen->rootHeight = h; -} - -/** Change the "root" window's origin by updating DMX's internal data - * structures (dix and Xinerama) to use the new origin and adjust the - * positions of windows that overlap this "root" window. */ -static void dmxSetRootWindowOrigin(int idx, int x, int y) -{ - DMXScreenInfo *dmxScreen = &dmxScreens[idx]; - ScreenPtr pScreen = screenInfo.screens[idx]; - WindowPtr pRoot = WindowTable[idx]; - WindowPtr pChild; - int xoff; - int yoff; - - /* Change "root" window's origin */ - dmxScreen->rootXOrigin = x; - dmxScreen->rootYOrigin = y; - - /* Compute offsets here in case <x,y> has been changed above */ - xoff = x - dixScreenOrigins[idx].x; - yoff = y - dixScreenOrigins[idx].y; - - /* Adjust the root window's position in dixScreenOrigins */ - dixScreenOrigins[idx].x = dmxScreen->rootXOrigin; - dixScreenOrigins[idx].y = dmxScreen->rootYOrigin; - - /* Recalculate the Xinerama regions and data structs */ - XineramaReinitData(pScreen); - - /* Adjust each of the root window's children */ - if (!idx) ReinitializeRootWindow(WindowTable[0], xoff, yoff); - pChild = pRoot->firstChild; - while (pChild) { - /* Adjust child window's position */ - pScreen->MoveWindow(pChild, - pChild->origin.x - wBorderWidth(pChild) - xoff, - pChild->origin.y - wBorderWidth(pChild) - yoff, - pChild->nextSib, - VTMove); - - /* Note that the call to MoveWindow will eventually call - * dmxPositionWindow which will automatically create a - * window if it is now exposed on screen (for lazy window - * creation optimization) and it will properly set the - * offscreen flag. - */ - - pChild = pChild->nextSib; - } -} - -/** Configure the attributes of each "screen" and "root" window. */ -int dmxConfigureScreenWindows(int nscreens, - CARD32 *screens, - DMXScreenAttributesPtr attribs, - int *errorScreen) -{ - int i; - - for (i = 0; i < nscreens; i++) { - DMXScreenAttributesPtr attr = &attribs[i]; - int idx = screens[i]; - DMXScreenInfo *dmxScreen = &dmxScreens[idx]; - - if (errorScreen) *errorScreen = i; - - if (!dmxScreen->beDisplay) return DMX_BAD_VALUE; - - /* Check for illegal values */ - if (idx < 0 || idx >= dmxNumScreens) return BadValue; - - /* The "screen" and "root" windows must have valid sizes */ - if (attr->screenWindowWidth <= 0 || attr->screenWindowHeight <= 0 || - attr->rootWindowWidth < 0 || attr->rootWindowHeight < 0) - return DMX_BAD_VALUE; - - /* The "screen" window must fit entirely within the BE display */ - if (attr->screenWindowXoffset < 0 || - attr->screenWindowYoffset < 0 || - attr->screenWindowXoffset - + attr->screenWindowWidth > (unsigned)dmxScreen->beWidth || - attr->screenWindowYoffset - + attr->screenWindowHeight > (unsigned)dmxScreen->beHeight) - return DMX_BAD_VALUE; - - /* The "root" window must fit entirely within the "screen" window */ - if (attr->rootWindowXoffset < 0 || - attr->rootWindowYoffset < 0 || - attr->rootWindowXoffset - + attr->rootWindowWidth > attr->screenWindowWidth || - attr->rootWindowYoffset - + attr->rootWindowHeight > attr->screenWindowHeight) - return DMX_BAD_VALUE; - - /* The "root" window must not expose unaddressable coordinates */ - if (attr->rootWindowXorigin < 0 || - attr->rootWindowYorigin < 0 || - attr->rootWindowXorigin + attr->rootWindowWidth > 32767 || - attr->rootWindowYorigin + attr->rootWindowHeight > 32767) - return DMX_BAD_VALUE; - - /* The "root" window must fit within the global bounding box */ - if (attr->rootWindowXorigin - + attr->rootWindowWidth > (unsigned)dmxGlobalWidth || - attr->rootWindowYorigin - + attr->rootWindowHeight > (unsigned)dmxGlobalHeight) - return DMX_BAD_VALUE; - - /* FIXME: Handle the rest of the illegal value checking */ - } - - /* No illegal values found */ - if (errorScreen) *errorScreen = 0; - - for (i = 0; i < nscreens; i++) { - DMXScreenAttributesPtr attr = &attribs[i]; - int idx = screens[i]; - DMXScreenInfo *dmxScreen = &dmxScreens[idx]; - - dmxLog(dmxInfo, "Changing screen #%d attributes " - "from %dx%d+%d+%d %dx%d+%d+%d +%d+%d " - "to %dx%d+%d+%d %dx%d+%d+%d +%d+%d\n", - idx, - dmxScreen->scrnWidth, dmxScreen->scrnHeight, - dmxScreen->scrnX, dmxScreen->scrnY, - dmxScreen->rootWidth, dmxScreen->rootHeight, - dmxScreen->rootX, dmxScreen->rootY, - dmxScreen->rootXOrigin, dmxScreen->rootYOrigin, - attr->screenWindowWidth, attr->screenWindowHeight, - attr->screenWindowXoffset, attr->screenWindowYoffset, - attr->rootWindowWidth, attr->rootWindowHeight, - attr->rootWindowXoffset, attr->rootWindowYoffset, - attr->rootWindowXorigin, attr->rootWindowYorigin); - - /* Configure "screen" window */ - dmxConfigureScreenWindow(idx, - attr->screenWindowXoffset, - attr->screenWindowYoffset, - attr->screenWindowWidth, - attr->screenWindowHeight); - - /* Configure "root" window */ - dmxConfigureRootWindow(idx, - attr->rootWindowXoffset, - attr->rootWindowYoffset, - attr->rootWindowWidth, - attr->rootWindowHeight); - - - /* Set "root" window's origin */ - dmxSetRootWindowOrigin(idx, - attr->rootWindowXorigin, - attr->rootWindowYorigin); - } - - /* Adjust the cursor boundaries */ - dmxAdjustCursorBoundaries(); - - /* Force completion of the changes */ - dmxSync(NULL, TRUE); - - return Success; -} - -/** Configure the attributes of the global desktop. */ -int dmxConfigureDesktop(DMXDesktopAttributesPtr attribs) -{ - if (attribs->width <= 0 || attribs->width >= 32767 || - attribs->height <= 0 || attribs->height >= 32767) - return DMX_BAD_VALUE; - - /* If the desktop is shrinking, adjust the "root" windows on each - * "screen" window to only show the visible desktop. Also, handle - * the special case where the desktop shrinks such that the it no - * longer overlaps an portion of a "screen" window. */ - if (attribs->width < dmxGlobalWidth || attribs->height < dmxGlobalHeight) { - int i; - for (i = 0; i < dmxNumScreens; i++) { - DMXScreenInfo *dmxScreen = &dmxScreens[i]; - if (dmxScreen->rootXOrigin - + dmxScreen->rootWidth > attribs->width || - dmxScreen->rootYOrigin - + dmxScreen->rootHeight > attribs->height) { - int w, h; - if ((w = attribs->width - dmxScreen->rootXOrigin) < 0) w = 0; - if ((h = attribs->height - dmxScreen->rootYOrigin) < 0) h = 0; - if (w > dmxScreen->scrnWidth) w = dmxScreen->scrnWidth; - if (h > dmxScreen->scrnHeight) h = dmxScreen->scrnHeight; - if (w > dmxScreen->rootWidth) w = dmxScreen->rootWidth; - if (h > dmxScreen->rootHeight) h = dmxScreen->rootHeight; - dmxConfigureRootWindow(i, - dmxScreen->rootX, - dmxScreen->rootY, - w, h); - } - } - } - - /* Set the global width/height */ - dmxSetWidthHeight(attribs->width, attribs->height); - - /* Handle shift[XY] changes */ - if (attribs->shiftX || attribs->shiftY) { - int i; - for (i = 0; i < dmxNumScreens; i++) { - ScreenPtr pScreen = screenInfo.screens[i]; - WindowPtr pChild = WindowTable[i]->firstChild; - while (pChild) { - /* Adjust child window's position */ - pScreen->MoveWindow(pChild, - pChild->origin.x - wBorderWidth(pChild) - - attribs->shiftX, - pChild->origin.y - wBorderWidth(pChild) - - attribs->shiftY, - pChild->nextSib, - VTMove); - - /* Note that the call to MoveWindow will eventually call - * dmxPositionWindow which will automatically create a - * window if it is now exposed on screen (for lazy - * window creation optimization) and it will properly - * set the offscreen flag. - */ - - pChild = pChild->nextSib; - } - } - } - - /* Update connection block, Xinerama, etc. -- these appears to - * already be handled in dmxConnectionBlockCallback(), which is - * called from dmxAdjustCursorBoundaries() [below]. */ - - /* Adjust the cursor boundaries */ - dmxAdjustCursorBoundaries(); - - /* Force completion of the changes */ - dmxSync(NULL, TRUE); - - return Success; -} -#endif - -/** Create the scratch GCs per depth. */ -static void dmxBECreateScratchGCs(int scrnNum) -{ - ScreenPtr pScreen = screenInfo.screens[scrnNum]; - GCPtr *ppGC = pScreen->GCperDepth; - int i; - - for (i = 0; i <= pScreen->numDepths; i++) - dmxBECreateGC(pScreen, ppGC[i]); -} - -#ifdef PANORAMIX -static Bool FoundPixImage; - -/** Search the Xinerama XRT_PIXMAP resources for the pixmap that needs - * to have its image restored. When it is found, see if there is - * another screen with the same image. If so, copy the pixmap image - * from the existing screen to the newly created pixmap. */ -static void dmxBERestorePixmapImage(pointer value, XID id, RESTYPE type, - pointer p) -{ - if ((type & TypeMask) == (XRT_PIXMAP & TypeMask)) { - PixmapPtr pDst = (PixmapPtr)p; - int idx = pDst->drawable.pScreen->myNum; - PanoramiXRes *pXinPix = (PanoramiXRes *)value; - PixmapPtr pPix; - int i; - - pPix = (PixmapPtr)LookupIDByType(pXinPix->info[idx].id, RT_PIXMAP); - if (pPix != pDst) return; /* Not a match.... Next! */ - - for (i = 0; i < PanoramiXNumScreens; i++) { - PixmapPtr pSrc; - dmxPixPrivPtr pSrcPriv = NULL; - - if (i == idx) continue; /* Self replication is bad */ - - pSrc = - (PixmapPtr)LookupIDByType(pXinPix->info[i].id, RT_PIXMAP); - pSrcPriv = DMX_GET_PIXMAP_PRIV(pSrc); - if (pSrcPriv->pixmap) { - DMXScreenInfo *dmxSrcScreen = &dmxScreens[i]; - DMXScreenInfo *dmxDstScreen = &dmxScreens[idx]; - dmxPixPrivPtr pDstPriv = DMX_GET_PIXMAP_PRIV(pDst); - XImage *img; - int j; - XlibGC gc = NULL; - - /* This should never happen, but just in case.... */ - if (pSrc->drawable.width != pDst->drawable.width || - pSrc->drawable.height != pDst->drawable.height) - return; - - /* Copy from src pixmap to dst pixmap */ - img = XGetImage(dmxSrcScreen->beDisplay, - pSrcPriv->pixmap, - 0, 0, - pSrc->drawable.width, pSrc->drawable.height, - -1, - ZPixmap); - - for (j = 0; j < dmxDstScreen->beNumPixmapFormats; j++) { - if (dmxDstScreen->bePixmapFormats[j].depth == img->depth) { - unsigned long m; - XGCValues v; - - m = GCFunction | GCPlaneMask | GCClipMask; - v.function = GXcopy; - v.plane_mask = AllPlanes; - v.clip_mask = None; - - gc = XCreateGC(dmxDstScreen->beDisplay, - dmxDstScreen->scrnDefDrawables[j], - m, &v); - break; - } - } - - if (gc) { - XPutImage(dmxDstScreen->beDisplay, - pDstPriv->pixmap, - gc, img, 0, 0, 0, 0, - pDst->drawable.width, pDst->drawable.height); - XFreeGC(dmxDstScreen->beDisplay, gc); - FoundPixImage = True; - } else { - dmxLog(dmxWarning, "Could not create GC\n"); - } - - XDestroyImage(img); - return; - } - } - } -} -#endif - -/** Restore the pixmap image either from another screen or from an image - * that was saved when the screen was previously detached. */ -static void dmxBERestorePixmap(PixmapPtr pPixmap) -{ -#ifdef PANORAMIX - int i; - - /* If Xinerama is not active, there's nothing we can do (see comment - * in #else below for more info). */ - if (noPanoramiXExtension) { - dmxLog(dmxWarning, "Cannot restore pixmap image\n"); - return; - } - - FoundPixImage = False; - for (i = currentMaxClients; --i >= 0; ) - if (clients[i]) - FindAllClientResources(clients[i], dmxBERestorePixmapImage, - (pointer)pPixmap); - - /* No corresponding pixmap image was found on other screens, so we - * need to copy it from the saved image when the screen was detached - * (if available). */ - if (!FoundPixImage) { - dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap); - - if (pPixPriv->detachedImage) { - ScreenPtr pScreen = pPixmap->drawable.pScreen; - DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; - XlibGC gc = NULL; - - for (i = 0; i < dmxScreen->beNumPixmapFormats; i++) { - if (dmxScreen->bePixmapFormats[i].depth == - pPixPriv->detachedImage->depth) { - unsigned long m; - XGCValues v; - - m = GCFunction | GCPlaneMask | GCClipMask; - v.function = GXcopy; - v.plane_mask = AllPlanes; - v.clip_mask = None; - - gc = XCreateGC(dmxScreen->beDisplay, - dmxScreen->scrnDefDrawables[i], - m, &v); - break; - } - } - - if (gc) { - XPutImage(dmxScreen->beDisplay, - pPixPriv->pixmap, - gc, - pPixPriv->detachedImage, - 0, 0, 0, 0, - pPixmap->drawable.width, pPixmap->drawable.height); - XFreeGC(dmxScreen->beDisplay, gc); - } else { - dmxLog(dmxWarning, "Cannot restore pixmap image\n"); - } - - XDestroyImage(pPixPriv->detachedImage); - pPixPriv->detachedImage = NULL; - } else { - dmxLog(dmxWarning, "Cannot restore pixmap image\n"); - } - } -#else - /* If Xinerama is not enabled, then there is no other copy of the - * pixmap image that we can restore. Saving all pixmap data is not - * a feasible option since there is no mechanism for updating pixmap - * data when a screen is detached, which means that the data that - * was previously saved would most likely be out of date. */ - dmxLog(dmxWarning, "Cannot restore pixmap image\n"); - return; -#endif -} - -/** Create resources on the back-end server. This function is called - * from #dmxAttachScreen() via the dix layer's FindAllResources - * function. It walks all resources, compares them to the screen - * number passed in as \a n and calls the appropriate DMX function to - * create the associated resource on the back-end server. */ -static void dmxBECreateResources(pointer value, XID id, RESTYPE type, - pointer n) -{ - int scrnNum = (int)n; - ScreenPtr pScreen = screenInfo.screens[scrnNum]; - - if ((type & TypeMask) == (RT_WINDOW & TypeMask)) { - /* Window resources are created below in dmxBECreateWindowTree */ - } else if ((type & TypeMask) == (RT_PIXMAP & TypeMask)) { - PixmapPtr pPix = value; - if (pPix->drawable.pScreen->myNum == scrnNum) { - dmxBECreatePixmap(pPix); - dmxBERestorePixmap(pPix); - } - } else if ((type & TypeMask) == (RT_GC & TypeMask)) { - GCPtr pGC = value; - if (pGC->pScreen->myNum == scrnNum) { - /* Create the GC on the back-end server */ - dmxBECreateGC(pScreen, pGC); - /* Create any pixmaps associated with this GC */ - if (!pGC->tileIsPixel) { - dmxBECreatePixmap(pGC->tile.pixmap); - dmxBERestorePixmap(pGC->tile.pixmap); - } - if (pGC->stipple != pScreen->PixmapPerDepth[0]) { - dmxBECreatePixmap(pGC->stipple); - dmxBERestorePixmap(pGC->stipple); - } - if (pGC->font != defaultFont) { - (void)dmxBELoadFont(pScreen, pGC->font); - } - /* Update the GC on the back-end server */ - dmxChangeGC(pGC, -1L); - } - } else if ((type & TypeMask) == (RT_FONT & TypeMask)) { - (void)dmxBELoadFont(pScreen, (FontPtr)value); - } else if ((type & TypeMask) == (RT_CURSOR & TypeMask)) { - dmxBECreateCursor(pScreen, (CursorPtr)value); - } else if ((type & TypeMask) == (RT_COLORMAP & TypeMask)) { - ColormapPtr pCmap = value; - if (pCmap->pScreen->myNum == scrnNum) - (void)dmxBECreateColormap((ColormapPtr)value); -#if 0 -#ifdef RENDER - /* TODO: Recreate Picture and GlyphSet resources */ - } else if ((type & TypeMask) == (PictureType & TypeMask)) { - /* Picture resources are created when windows are created */ - } else if ((type & TypeMask) == (GlyphSetType & TypeMask)) { - dmxBEFreeGlyphSet(pScreen, (GlyphSetPtr)value); -#endif -#endif - } else { - /* Other resource types??? */ - } -} - -/** Create window hierachy on back-end server. The window tree is - * created in a special order (bottom most subwindow first) so that the - * #dmxCreateNonRootWindow() function does not need to recursively call - * itself to create each window's parents. This is required so that we - * have the opportunity to create each window's border and background - * pixmaps (where appropriate) before the window is created. */ -static void dmxBECreateWindowTree(int idx) -{ - DMXScreenInfo *dmxScreen = &dmxScreens[idx]; - WindowPtr pRoot = WindowTable[idx]; - dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV(pRoot); - WindowPtr pWin; - - /* Create the pixmaps associated with the root window */ - if (!pRoot->borderIsPixel) { - dmxBECreatePixmap(pRoot->border.pixmap); - dmxBERestorePixmap(pRoot->border.pixmap); - } - if (pRoot->backgroundState == BackgroundPixmap) { - dmxBECreatePixmap(pRoot->background.pixmap); - dmxBERestorePixmap(pRoot->background.pixmap); - } - - /* Create root window first */ - dmxScreen->rootWin = pWinPriv->window = dmxCreateRootWindow(pRoot); - XMapWindow(dmxScreen->beDisplay, dmxScreen->rootWin); - - pWin = pRoot->lastChild; - while (pWin) { - pWinPriv = DMX_GET_WINDOW_PRIV(pWin); - - /* Create the pixmaps regardless of whether or not the - * window is created or not due to lazy window creation. - */ - if (!pWin->borderIsPixel) { - dmxBECreatePixmap(pWin->border.pixmap); - dmxBERestorePixmap(pWin->border.pixmap); - } - if (pWin->backgroundState == BackgroundPixmap) { - dmxBECreatePixmap(pWin->background.pixmap); - dmxBERestorePixmap(pWin->background.pixmap); - } - - /* Reset the window attributes */ - dmxGetDefaultWindowAttributes(pWin, - &pWinPriv->cmap, - &pWinPriv->visual); - - /* Create the window */ - if (pWinPriv->mapped && !pWinPriv->offscreen) - dmxCreateAndRealizeWindow(pWin, TRUE); - - /* Next, create the bottom-most child */ - if (pWin->lastChild) { - pWin = pWin->lastChild; - continue; - } - - /* If the window has no children, move on to the next higher window */ - while (!pWin->prevSib && (pWin != pRoot)) - pWin = pWin->parent; - - if (pWin->prevSib) { - pWin = pWin->prevSib; - continue; - } - - /* When we reach the root window, we are finished */ - if (pWin == pRoot) - break; - } -} - -/* Refresh screen by generating exposure events for all windows */ -static void dmxForceExposures(int idx) -{ - ScreenPtr pScreen = screenInfo.screens[idx]; - WindowPtr pRoot = WindowTable[idx]; - Bool anyMarked = FALSE; - WindowPtr pChild; - - for (pChild = pRoot->firstChild; pChild; pChild = pChild->nextSib) - anyMarked |= pScreen->MarkOverlappedWindows(pChild, pChild, - (WindowPtr *)NULL); - if (anyMarked) { - /* If any windows have been marked, set the root window's - * clipList to be broken since it will be recalculated in - * ValidateTree() - */ - REGION_BREAK(pScreen, &pRoot->clipList); - pScreen->ValidateTree(pRoot, NULL, VTBroken); - pScreen->HandleExposures(pRoot); - if (pScreen->PostValidateTree) - pScreen->PostValidateTree(pRoot, NULL, VTBroken); - } -} - -/** Compare the new and old screens to see if they are compatible. */ -static Bool dmxCompareScreens(DMXScreenInfo *new, DMXScreenInfo *old) -{ - int i; - - if (new->beWidth != old->beWidth) return FALSE; - if (new->beHeight != old->beHeight) return FALSE; - if (new->beDepth != old->beDepth) return FALSE; - if (new->beBPP != old->beBPP) return FALSE; - - if (new->beNumDepths != old->beNumDepths) return FALSE; - for (i = 0; i < old->beNumDepths; i++) - if (new->beDepths[i] != old->beDepths[i]) return FALSE; - - if (new->beNumPixmapFormats != old->beNumPixmapFormats) return FALSE; - for (i = 0; i < old->beNumPixmapFormats; i++) { - if (new->bePixmapFormats[i].depth != - old->bePixmapFormats[i].depth) return FALSE; - if (new->bePixmapFormats[i].bits_per_pixel != - old->bePixmapFormats[i].bits_per_pixel) return FALSE; - if (new->bePixmapFormats[i].scanline_pad != - old->bePixmapFormats[i].scanline_pad) return FALSE; - } - - if (new->beNumVisuals != old->beNumVisuals) return FALSE; - for (i = 0; i < old->beNumVisuals; i++) { - if (new->beVisuals[i].visualid != - old->beVisuals[i].visualid) return FALSE; - if (new->beVisuals[i].screen != - old->beVisuals[i].screen) return FALSE; - if (new->beVisuals[i].depth != - old->beVisuals[i].depth) return FALSE; - if (new->beVisuals[i].class != - old->beVisuals[i].class) return FALSE; - if (new->beVisuals[i].red_mask != - old->beVisuals[i].red_mask) return FALSE; - if (new->beVisuals[i].green_mask != - old->beVisuals[i].green_mask) return FALSE; - if (new->beVisuals[i].blue_mask != - old->beVisuals[i].blue_mask) return FALSE; - if (new->beVisuals[i].colormap_size != - old->beVisuals[i].colormap_size) return FALSE; - if (new->beVisuals[i].bits_per_rgb != - old->beVisuals[i].bits_per_rgb) return FALSE; - } - - if (new->beDefVisualIndex != old->beDefVisualIndex) return FALSE; - - return TRUE; -} - -/** Reattach previously detached back-end screen. */ -int dmxAttachScreen(int idx, DMXScreenAttributesPtr attr) -{ - ScreenPtr pScreen = screenInfo.screens[idx]; - DMXScreenInfo *dmxScreen = &dmxScreens[idx]; - CARD32 scrnNum = idx; - DMXScreenInfo oldDMXScreen; - int i; - - /* Return failure if dynamic addition/removal of screens is disabled */ - if (!dmxAddRemoveScreens) { - dmxLog(dmxWarning, - "Attempting to add a screen, but the AddRemoveScreen\n"); - dmxLog(dmxWarning, - "extension has not been enabled. To enable this extension\n"); - dmxLog(dmxWarning, - "add the \"-addremovescreens\" option either to the command\n"); - dmxLog(dmxWarning, - "line or in the configuration file.\n"); - return 1; - } - - /* Cannot add a screen that does not exist */ - if (idx < 0 || idx >= dmxNumScreens) return 1; - - /* Cannot attach to a screen that is already opened */ - if (dmxScreen->beDisplay) { - dmxLog(dmxWarning, - "Attempting to add screen #%d but a screen already exists\n", - idx); - return 1; - } - - dmxLogOutput(dmxScreen, "Attaching screen #%d\n", idx); - - /* Save old info */ - oldDMXScreen = *dmxScreen; - - /* Copy the name to the new screen */ - dmxScreen->name = strdup(attr->displayName); - - /* Open display and get all of the screen info */ - if (!dmxOpenDisplay(dmxScreen)) { - dmxLog(dmxWarning, - "dmxOpenDisplay: Unable to open display %s\n", - dmxScreen->name); - - /* Restore the old screen */ - *dmxScreen = oldDMXScreen; - return 1; - } - - dmxSetErrorHandler(dmxScreen); - dmxCheckForWM(dmxScreen); - dmxGetScreenAttribs(dmxScreen); - - if (!dmxGetVisualInfo(dmxScreen)) { - dmxLog(dmxWarning, "dmxGetVisualInfo: No matching visuals found\n"); - XFree(dmxScreen->beVisuals); - XCloseDisplay(dmxScreen->beDisplay); - - /* Restore the old screen */ - *dmxScreen = oldDMXScreen; - return 1; - } - - dmxGetColormaps(dmxScreen); - dmxGetPixmapFormats(dmxScreen); - - /* Verify that the screen to be added has the same info as the - * previously added screen. */ - if (!dmxCompareScreens(dmxScreen, &oldDMXScreen)) { - dmxLog(dmxWarning, - "New screen data (%s) does not match previously\n", - dmxScreen->name); - dmxLog(dmxWarning, - "attached screen data (%s)\n", - oldDMXScreen.name); - dmxLog(dmxWarning, - "All data must match in order to attach to screen #%d\n", - idx); - XFree(dmxScreen->beVisuals); - XFree(dmxScreen->beDepths); - XFree(dmxScreen->bePixmapFormats); - XCloseDisplay(dmxScreen->beDisplay); - - /* Restore the old screen */ - *dmxScreen = oldDMXScreen; - return 1; - } - - /* Initialize the BE screen resources */ - dmxBEScreenInit(idx, screenInfo.screens[idx]); - - /* TODO: Handle GLX visual initialization. GLXProxy needs to be - * updated to handle dynamic addition/removal of screens. */ - - /* Create default stipple */ - dmxBECreatePixmap(pScreen->PixmapPerDepth[0]); - dmxBERestorePixmap(pScreen->PixmapPerDepth[0]); - - /* Create the scratch GCs */ - dmxBECreateScratchGCs(idx); - - /* Create the default font */ - (void)dmxBELoadFont(pScreen, defaultFont); - - /* Create all resources that don't depend on windows */ - for (i = currentMaxClients; --i >= 0; ) - if (clients[i]) - FindAllClientResources(clients[i], dmxBECreateResources, - (pointer)idx); - - /* Create window hierarchy (top down) */ - dmxBECreateWindowTree(idx); - - /* Refresh screen by generating exposure events for all windows */ - dmxForceExposures(idx); - - dmxSync(&dmxScreens[idx], TRUE); - - /* We used these to compare the old and new screens. They are no - * longer needed since we have a newly attached screen, so we can - * now free the old screen's resources. */ - XFree(oldDMXScreen.beVisuals); - XFree(oldDMXScreen.beDepths); - XFree(oldDMXScreen.bePixmapFormats); - /* TODO: should oldDMXScreen.name be freed?? */ - -#ifdef PANORAMIX - if (!noPanoramiXExtension) - return dmxConfigureScreenWindows(1, &scrnNum, attr, NULL); - else -#endif - return 0; /* Success */ -} - -/* - * Resources that may have state on the BE server and need to be freed: - * - * RT_NONE - * RT_WINDOW - * RT_PIXMAP - * RT_GC - * RT_FONT - * RT_CURSOR - * RT_COLORMAP - * RT_CMAPENTRY - * RT_OTHERCLIENT - * RT_PASSIVEGRAB - * XRT_WINDOW - * XRT_PIXMAP - * XRT_GC - * XRT_COLORMAP - * XRT_PICTURE - * PictureType - * PictFormatType - * GlyphSetType - * ClientType - * EventType - * RT_INPUTCLIENT - * XETrapType - * RTCounter - * RTAwait - * RTAlarmClient - * RT_XKBCLIENT - * RTContext - * TagResType - * StalledResType - * RT_APPGROUP - * SecurityAuthorizationResType - * RTEventClient - * __glXContextRes - * __glXClientRes - * __glXPixmapRes - * __glXWindowRes - * __glXPbufferRes - */ - -#ifdef PANORAMIX -/** Search the Xinerama XRT_PIXMAP resources for the pixmap that needs - * to have its image saved. */ -static void dmxBEFindPixmapImage(pointer value, XID id, RESTYPE type, - pointer p) -{ - if ((type & TypeMask) == (XRT_PIXMAP & TypeMask)) { - PixmapPtr pDst = (PixmapPtr)p; - int idx = pDst->drawable.pScreen->myNum; - PanoramiXRes *pXinPix = (PanoramiXRes *)value; - PixmapPtr pPix; - int i; - - pPix = (PixmapPtr)LookupIDByType(pXinPix->info[idx].id, RT_PIXMAP); - if (pPix != pDst) return; /* Not a match.... Next! */ - - for (i = 0; i < PanoramiXNumScreens; i++) { - PixmapPtr pSrc; - dmxPixPrivPtr pSrcPriv = NULL; - - if (i == idx) continue; /* Self replication is bad */ - - pSrc = - (PixmapPtr)LookupIDByType(pXinPix->info[i].id, RT_PIXMAP); - pSrcPriv = DMX_GET_PIXMAP_PRIV(pSrc); - if (pSrcPriv->pixmap) { - FoundPixImage = True; - return; - } - } - } -} -#endif - -/** Save the pixmap image only when there is not another screen with - * that pixmap from which the image can be read when the screen is - * reattached. To do this, we first try to find a pixmap on another - * screen corresponding to the one we are trying to save. If we find - * one, then we do not need to save the image data since during - * reattachment, the image data can be read from that other pixmap. - * However, if we do not find one, then we need to save the image data. - * The common case for these are for the default stipple and root - * tile. */ -static void dmxBESavePixmap(PixmapPtr pPixmap) -{ -#ifdef PANORAMIX - int i; - - /* If Xinerama is not active, there's nothing we can do (see comment - * in #else below for more info). */ - if (noPanoramiXExtension) return; - - FoundPixImage = False; - for (i = currentMaxClients; --i >= 0; ) - if (clients[i]) - FindAllClientResources(clients[i], dmxBEFindPixmapImage, - (pointer)pPixmap); - - /* Save the image only if there is no other screens that have a - * pixmap that corresponds to the one we are trying to save. */ - if (!FoundPixImage) { - dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap); - - if (!pPixPriv->detachedImage) { - ScreenPtr pScreen = pPixmap->drawable.pScreen; - DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; - - pPixPriv->detachedImage = XGetImage(dmxScreen->beDisplay, - pPixPriv->pixmap, - 0, 0, - pPixmap->drawable.width, - pPixmap->drawable.height, - -1, - ZPixmap); - if (!pPixPriv->detachedImage) - dmxLog(dmxWarning, "Cannot save pixmap image\n"); - } - } -#else - /* NOTE: The only time there is a pixmap on another screen that - * corresponds to the one we are trying to save is when Xinerama is - * active. Otherwise, the pixmap image data is only stored on a - * single screen, which means that once it is detached, that data is - * lost. We could save the data here, but then that would require - * us to implement the ability for Xdmx to keep the pixmap up to - * date while the screen is detached, which is beyond the scope of - * the current project. */ - return; -#endif -} - -/** Destroy resources on the back-end server. This function is called - * from #dmxDetachScreen() via the dix layer's FindAllResources - * function. It walks all resources, compares them to the screen - * number passed in as \a n and calls the appropriate DMX function to - * free the associated resource on the back-end server. */ -static void dmxBEDestroyResources(pointer value, XID id, RESTYPE type, - pointer n) -{ - int scrnNum = (int)n; - ScreenPtr pScreen = screenInfo.screens[scrnNum]; - - if ((type & TypeMask) == (RT_WINDOW & TypeMask)) { - /* Window resources are destroyed below in dmxBEDestroyWindowTree */ - } else if ((type & TypeMask) == (RT_PIXMAP & TypeMask)) { - PixmapPtr pPix = value; - if (pPix->drawable.pScreen->myNum == scrnNum) { - dmxBESavePixmap(pPix); - dmxBEFreePixmap(pPix); - } - } else if ((type & TypeMask) == (RT_GC & TypeMask)) { - GCPtr pGC = value; - if (pGC->pScreen->myNum == scrnNum) - dmxBEFreeGC(pGC); - } else if ((type & TypeMask) == (RT_FONT & TypeMask)) { - dmxBEFreeFont(pScreen, (FontPtr)value); - } else if ((type & TypeMask) == (RT_CURSOR & TypeMask)) { - dmxBEFreeCursor(pScreen, (CursorPtr)value); - } else if ((type & TypeMask) == (RT_COLORMAP & TypeMask)) { - ColormapPtr pCmap = value; - if (pCmap->pScreen->myNum == scrnNum) - dmxBEFreeColormap((ColormapPtr)value); -#ifdef RENDER - } else if ((type & TypeMask) == (PictureType & TypeMask)) { - PicturePtr pPict = value; - if (pPict->pDrawable->pScreen->myNum == scrnNum) - dmxBEFreePicture((PicturePtr)value); - } else if ((type & TypeMask) == (GlyphSetType & TypeMask)) { - dmxBEFreeGlyphSet(pScreen, (GlyphSetPtr)value); -#endif - } else { - /* Other resource types??? */ - } -} - -/** Destroy the scratch GCs that are created per depth. */ -static void dmxBEDestroyScratchGCs(int scrnNum) -{ - ScreenPtr pScreen = screenInfo.screens[scrnNum]; - GCPtr *ppGC = pScreen->GCperDepth; - int i; - - for (i = 0; i <= pScreen->numDepths; i++) - dmxBEFreeGC(ppGC[i]); -} - -/** Destroy window hierachy on back-end server. To ensure that all - * XDestroyWindow() calls succeed, they must be performed in a bottom - * up order so that windows are not destroyed before their children. - * XDestroyWindow(), which is called from #dmxBEDestrowWindow(), will - * destroy a window as well as all of it's children. */ -static void dmxBEDestroyWindowTree(int idx) -{ - WindowPtr pWin = WindowTable[idx]; - WindowPtr pChild = pWin; - - while (1) { - if (pChild->firstChild) { - pChild = pChild->firstChild; - continue; - } - - /* Destroy the window */ - dmxBEDestroyWindow(pChild); - - /* Make sure we destroy the window's border and background - * pixmaps if they exist */ - if (!pChild->borderIsPixel) { - dmxBESavePixmap(pChild->border.pixmap); - dmxBEFreePixmap(pChild->border.pixmap); - } - if (pChild->backgroundState == BackgroundPixmap) { - dmxBESavePixmap(pChild->background.pixmap); - dmxBEFreePixmap(pChild->background.pixmap); - } - - while (!pChild->nextSib && (pChild != pWin)) { - pChild = pChild->parent; - dmxBEDestroyWindow(pChild); - if (!pChild->borderIsPixel) { - dmxBESavePixmap(pChild->border.pixmap); - dmxBEFreePixmap(pChild->border.pixmap); - } - if (pChild->backgroundState == BackgroundPixmap) { - dmxBESavePixmap(pChild->background.pixmap); - dmxBEFreePixmap(pChild->background.pixmap); - } - } - - if (pChild == pWin) - break; - - pChild = pChild->nextSib; - } -} - -/** Detach back-end screen. */ -int dmxDetachScreen(int idx) -{ - DMXScreenInfo *dmxScreen = &dmxScreens[idx]; - int i; - - /* Return failure if dynamic addition/removal of screens is disabled */ - if (!dmxAddRemoveScreens) { - dmxLog(dmxWarning, - "Attempting to remove a screen, but the AddRemoveScreen\n"); - dmxLog(dmxWarning, - "extension has not been enabled. To enable this extension\n"); - dmxLog(dmxWarning, - "add the \"-addremovescreens\" option either to the command\n"); - dmxLog(dmxWarning, - "line or in the configuration file.\n"); - return 1; - } - - /* Cannot remove a screen that does not exist */ - if (idx < 0 || idx >= dmxNumScreens) return 1; - - /* Cannot detach from a screen that is not opened */ - if (!dmxScreen->beDisplay) { - dmxLog(dmxWarning, - "Attempting to remove screen #%d but it has not been opened\n", - idx); - return 1; - } - - dmxLogOutput(dmxScreen, "Detaching screen #%d\n", idx); - - /* Detach input */ - dmxInputDetachAll(dmxScreen); - - /* Save all relevant state (TODO) */ - - /* Free all non-window resources related to this screen */ - for (i = currentMaxClients; --i >= 0; ) - if (clients[i]) - FindAllClientResources(clients[i], dmxBEDestroyResources, - (pointer)idx); - - /* Free scratch GCs */ - dmxBEDestroyScratchGCs(idx); - - /* Free window resources related to this screen */ - dmxBEDestroyWindowTree(idx); - - /* Free default stipple */ - dmxBESavePixmap(screenInfo.screens[idx]->PixmapPerDepth[0]); - dmxBEFreePixmap(screenInfo.screens[idx]->PixmapPerDepth[0]); - - /* Free the remaining screen resources and close the screen */ - dmxBECloseScreen(screenInfo.screens[idx]); - - /* Adjust the cursor boundaries (paints detached console window) */ - dmxAdjustCursorBoundaries(); - - return 0; /* Success */ -} |