diff options
Diffstat (limited to 'nx-X11/programs/Xserver/composite/compwindow.c')
| -rw-r--r-- | nx-X11/programs/Xserver/composite/compwindow.c | 909 |
1 files changed, 909 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/composite/compwindow.c b/nx-X11/programs/Xserver/composite/compwindow.c new file mode 100644 index 000000000..e9bb39827 --- /dev/null +++ b/nx-X11/programs/Xserver/composite/compwindow.c @@ -0,0 +1,909 @@ +/* + * $Id: compwindow.c,v 1.11 2005/07/03 07:37:34 daniels Exp $ + * + * Copyright © 2003 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "compint.h" + +#ifdef PANORAMIX +#include "panoramiXsrv.h" +#endif + +#ifdef COMPOSITE_DEBUG +static int +compCheckWindow (WindowPtr pWin, void * data) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + PixmapPtr pWinPixmap = (*pScreen->GetWindowPixmap) (pWin); + PixmapPtr pParentPixmap = pWin->parent ? (*pScreen->GetWindowPixmap) (pWin->parent) : 0; + PixmapPtr pScreenPixmap = (*pScreen->GetScreenPixmap) (pScreen); + + if (!pWin->parent) + { + assert (pWin->redirectDraw == RedriectDrawNone); + assert (pWinPixmap == pScreenPixmap); + } + else if (pWin->redirectDraw != RedirectDrawNone) + { + assert (pWinPixmap != pParentPixmap); + assert (pWinPixmap != pScreenPixmap); + } + else + { + assert (pWinPixmap == pParentPixmap); + } + assert (0 < pWinPixmap->refcnt && pWinPixmap->refcnt < 3); + assert (0 < pScreenPixmap->refcnt && pScreenPixmap->refcnt < 3); + if (pParentPixmap) + assert (0 <= pParentPixmap->refcnt && pParentPixmap->refcnt < 3); + return WT_WALKCHILDREN; +} + +void +compCheckTree (ScreenPtr pScreen) +{ + WalkTree (pScreen, compCheckWindow, 0); +} +#endif + +typedef struct _compPixmapVisit { + WindowPtr pWindow; + PixmapPtr pPixmap; +} CompPixmapVisitRec, *CompPixmapVisitPtr; + +static Bool +compRepaintBorder (ClientPtr pClient, void * closure) +{ + WindowPtr pWindow; +#ifndef NXAGENT_SERVER + int rc = + dixLookupWindow(&pWindow, (XID) (intptr_t) closure, pClient, + DixWriteAccess); +#else + pWindow = SecurityLookupWindow((XID) (intptr_t) closure, pClient, DixWriteAccess); + int rc = pWindow ? Success : BadWindow; +#endif + + if (rc == Success) + { + RegionRec exposed; + + RegionNull(&exposed); + RegionSubtract(&exposed, &pWindow->borderClip, &pWindow->winSize); +#ifndef NXAGENT_SERVER + pWindow->drawable.pScreen->PaintWindowBorder(pWindow, &exposed, PW_BORDER); +#else + (*pWindow->drawable.pScreen->PaintWindowBorder)(pWindow, &exposed, PW_BORDER); +#endif + RegionUninit(&exposed); + } + return TRUE; +} + +static int +compSetPixmapVisitWindow (WindowPtr pWindow, void * data) +{ + CompPixmapVisitPtr pVisit = (CompPixmapVisitPtr) data; + ScreenPtr pScreen = pWindow->drawable.pScreen; + + if (pWindow != pVisit->pWindow && pWindow->redirectDraw != RedirectDrawNone) + return WT_DONTWALKCHILDREN; + (*pScreen->SetWindowPixmap) (pWindow, pVisit->pPixmap); + /* + * Recompute winSize and borderSize. This is duplicate effort + * when resizing pixmaps, but necessary when changing redirection. + * Might be nice to fix this. + */ + SetWinSize (pWindow); + SetBorderSize (pWindow); + if (HasBorder (pWindow)) + QueueWorkProc (compRepaintBorder, serverClient, + (void *) (intptr_t) pWindow->drawable.id); + return WT_WALKCHILDREN; +} + +void +compSetPixmap (WindowPtr pWindow, PixmapPtr pPixmap) +{ + CompPixmapVisitRec visitRec; + + visitRec.pWindow = pWindow; + visitRec.pPixmap = pPixmap; + TraverseTree (pWindow, compSetPixmapVisitWindow, (void *) &visitRec); + compCheckTree (pWindow->drawable.pScreen); +} + +Bool +compCheckRedirect (WindowPtr pWin) +{ + CompWindowPtr cw = GetCompWindow (pWin); + CompScreenPtr cs = GetCompScreen(pWin->drawable.pScreen); + Bool should; + + should = pWin->realized && (pWin->drawable.class != InputOnly) && + (cw != NULL) && (pWin->parent != NULL); + + /* Never redirect the overlay window */ + if (cs->pOverlayWin != NULL) { + if (pWin == cs->pOverlayWin) { + should = FALSE; + } + } + + if (should != (pWin->redirectDraw != RedirectDrawNone)) + { + if (should) + return compAllocPixmap (pWin); + else { + ScreenPtr pScreen = pWin->drawable.pScreen; + PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin); + + compSetParentPixmap(pWin); + compRestoreWindow(pWin, pPixmap); + (*pScreen->DestroyPixmap) (pPixmap); + } + } + else if (should) { + if (cw->update == CompositeRedirectAutomatic) + pWin->redirectDraw = RedirectDrawAutomatic; + else + pWin->redirectDraw = RedirectDrawManual; + } + return TRUE; +} + +static int +updateOverlayWindow(ScreenPtr pScreen) +{ + CompScreenPtr cs; + WindowPtr pWin; /* overlay window */ + XID vlist[2]; + int w = pScreen->width; + int h = pScreen->height; + +#ifdef PANORAMIX + if (!noPanoramiXExtension) { + w = PanoramiXPixWidth; + h = PanoramiXPixHeight; + } +#endif + + cs = GetCompScreen(pScreen); + if ((pWin = cs->pOverlayWin) != NULL) { + if ((pWin->drawable.width == w) && (pWin->drawable.height == h)) + return Success; + + /* Let's resize the overlay window. */ + vlist[0] = w; + vlist[1] = h; + return ConfigureWindow(pWin, CWWidth | CWHeight, vlist, wClient(pWin)); + } + + /* Let's be on the safe side and not assume an overlay window is + always allocated. */ + return Success; +} + +Bool +compPositionWindow (WindowPtr pWin, int x, int y) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + Bool ret = TRUE; + + pScreen->PositionWindow = cs->PositionWindow; + /* + * "Shouldn't need this as all possible places should be wrapped + * + compCheckRedirect (pWin); + */ +#ifdef COMPOSITE_DEBUG + if ((pWin->redirectDraw != RedirectDrawNone) != + (pWin->viewable && (GetCompWindow(pWin) != NULL))) + abort (); +#endif + if (pWin->redirectDraw != RedirectDrawNone) + { + PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin); + int bw = wBorderWidth (pWin); + int nx = pWin->drawable.x - bw; + int ny = pWin->drawable.y - bw; + + if (pPixmap->screen_x != nx || pPixmap->screen_y != ny) + { + pPixmap->screen_x = nx; + pPixmap->screen_y = ny; + pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER; + } + } + + if (!(*pScreen->PositionWindow) (pWin, x, y)) + ret = FALSE; + cs->PositionWindow = pScreen->PositionWindow; + pScreen->PositionWindow = compPositionWindow; + compCheckTree (pWin->drawable.pScreen); + if (updateOverlayWindow(pScreen) != Success) + ret = FALSE; + return ret; +} + +Bool +compRealizeWindow (WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + Bool ret = TRUE; + + pScreen->RealizeWindow = cs->RealizeWindow; + compCheckRedirect (pWin); + if (!(*pScreen->RealizeWindow) (pWin)) + ret = FALSE; + cs->RealizeWindow = pScreen->RealizeWindow; + pScreen->RealizeWindow = compRealizeWindow; + compCheckTree (pWin->drawable.pScreen); + return ret; +} + +Bool +compUnrealizeWindow (WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + Bool ret = TRUE; + + pScreen->UnrealizeWindow = cs->UnrealizeWindow; + compCheckRedirect (pWin); + if (!(*pScreen->UnrealizeWindow) (pWin)) + ret = FALSE; + cs->UnrealizeWindow = pScreen->UnrealizeWindow; + pScreen->UnrealizeWindow = compUnrealizeWindow; + compCheckTree (pWin->drawable.pScreen); + return ret; +} + +/* + * Called after the borderClip for the window has settled down + * We use this to make sure our extra borderClip has the right origin + */ + +void +compClipNotify (WindowPtr pWin, int dx, int dy) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + CompWindowPtr cw = GetCompWindow (pWin); + + if (cw) + { + if (cw->borderClipX != pWin->drawable.x || + cw->borderClipY != pWin->drawable.y) + { + RegionTranslate(&cw->borderClip, + pWin->drawable.x - cw->borderClipX, + pWin->drawable.y - cw->borderClipY); + cw->borderClipX = pWin->drawable.x; + cw->borderClipY = pWin->drawable.y; + } + } + if (cs->ClipNotify) + { + pScreen->ClipNotify = cs->ClipNotify; + (*pScreen->ClipNotify) (pWin, dx, dy); + cs->ClipNotify = pScreen->ClipNotify; + pScreen->ClipNotify = compClipNotify; + } +} + +/* + * Returns TRUE if the window needs server-provided automatic redirect, + * which is true if the child and parent aren't both regular or ARGB visuals + */ + +static Bool +compIsAlternateVisual (ScreenPtr pScreen, + XID visual) +{ + CompScreenPtr cs = GetCompScreen (pScreen); + int i; + + for (i = 0; i < cs->numAlternateVisuals; i++) + if (cs->alternateVisuals[i] == visual) + return TRUE; + return FALSE; +} + +static Bool +compIsImplicitRedirectException(ScreenPtr pScreen, + XID parentVisual, XID winVisual) +{ + CompScreenPtr cs = GetCompScreen(pScreen); + int i; + + for (i = 0; i < cs->numImplicitRedirectExceptions; i++) + if (cs->implicitRedirectExceptions[i].parentVisual == parentVisual && + cs->implicitRedirectExceptions[i].winVisual == winVisual) + return TRUE; + + return FALSE; +} + +static Bool +compImplicitRedirect (WindowPtr pWin, WindowPtr pParent) +{ + if (pParent) + { + ScreenPtr pScreen = pWin->drawable.pScreen; + XID winVisual = wVisual (pWin); + XID parentVisual = wVisual (pParent); + + if (compIsImplicitRedirectException(pScreen, parentVisual, winVisual)) + return FALSE; + + if (winVisual != parentVisual && + (compIsAlternateVisual (pScreen, winVisual) || + compIsAlternateVisual (pScreen, parentVisual))) + return TRUE; + } + return FALSE; +} + +static void +compFreeOldPixmap(WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + + if (pWin->redirectDraw != RedirectDrawNone) { + CompWindowPtr cw = GetCompWindow(pWin); + + if (cw->pOldPixmap) { + (*pScreen->DestroyPixmap) (cw->pOldPixmap); + cw->pOldPixmap = NullPixmap; + } + } +} + +void +compMoveWindow (WindowPtr pWin, int x, int y, WindowPtr pSib, VTKind kind) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + + compCheckTree (pScreen); + if (pWin->redirectDraw != RedirectDrawNone) { + WindowPtr pParent; + int draw_x, draw_y; + unsigned int w, h, bw; + + /* if this is a root window, can't be moved */ + if (!(pParent = pWin->parent)) + return; + + bw = wBorderWidth (pWin); + draw_x = pParent->drawable.x + x + (int)bw; + draw_y = pParent->drawable.y + y + (int)bw; + w = pWin->drawable.width; + h = pWin->drawable.height; + compReallocPixmap (pWin, draw_x, draw_y, w, h, bw); + } + compCheckTree (pScreen); + + pScreen->MoveWindow = cs->MoveWindow; + (*pScreen->MoveWindow) (pWin, x, y, pSib, kind); + cs->MoveWindow = pScreen->MoveWindow; + pScreen->MoveWindow = compMoveWindow; + + compFreeOldPixmap(pWin); + compCheckTree (pScreen); +} + +void +compResizeWindow (WindowPtr pWin, int x, int y, + unsigned int w, unsigned int h, WindowPtr pSib) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + + compCheckTree (pScreen); + if (pWin->redirectDraw != RedirectDrawNone) + { + WindowPtr pParent; + int draw_x, draw_y; + unsigned int bw; + + /* if this is a root window, can't be moved */ + if (!(pParent = pWin->parent)) + return; + + bw = wBorderWidth (pWin); + draw_x = pParent->drawable.x + x + (int)bw; + draw_y = pParent->drawable.y + y + (int)bw; + compReallocPixmap (pWin, draw_x, draw_y, w, h, bw); + } + compCheckTree (pScreen); + + pScreen->ResizeWindow = cs->ResizeWindow; + (*pScreen->ResizeWindow) (pWin, x, y, w, h, pSib); + cs->ResizeWindow = pScreen->ResizeWindow; + pScreen->ResizeWindow = compResizeWindow; + + compFreeOldPixmap(pWin); + compCheckTree (pWin->drawable.pScreen); +} + +void +compChangeBorderWidth (WindowPtr pWin, unsigned int bw) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + + compCheckTree (pScreen); + if (pWin->redirectDraw != RedirectDrawNone) + { + WindowPtr pParent; + int draw_x, draw_y; + unsigned int w, h; + + /* if this is a root window, can't be moved */ + if (!(pParent = pWin->parent)) + return; + + draw_x = pWin->drawable.x; + draw_y = pWin->drawable.y; + w = pWin->drawable.width; + h = pWin->drawable.height; + compReallocPixmap (pWin, draw_x, draw_y, w, h, bw); + } + + compCheckTree (pScreen); + pScreen->ChangeBorderWidth = cs->ChangeBorderWidth; + (*pScreen->ChangeBorderWidth) (pWin, bw); + cs->ChangeBorderWidth = pScreen->ChangeBorderWidth; + pScreen->ChangeBorderWidth = compChangeBorderWidth; + + compFreeOldPixmap(pWin); + compCheckTree (pWin->drawable.pScreen); +} + +void +compReparentWindow (WindowPtr pWin, WindowPtr pPriorParent) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + + pScreen->ReparentWindow = cs->ReparentWindow; + /* + * Remove any implicit redirect due to synthesized visual + */ + if (compImplicitRedirect (pWin, pPriorParent)) + compUnredirectWindow (serverClient, pWin, CompositeRedirectAutomatic); + /* + * Handle subwindows redirection + */ + compUnredirectOneSubwindow (pPriorParent, pWin); + compRedirectOneSubwindow (pWin->parent, pWin); + /* + * Add any implict redirect due to synthesized visual + */ + if (compImplicitRedirect (pWin, pWin->parent)) + compRedirectWindow (serverClient, pWin, CompositeRedirectAutomatic); + + /* + * Allocate any necessary redirect pixmap + * (this actually should never be true; pWin is always unmapped) + */ + compCheckRedirect (pWin); + + /* + * Reset pixmap pointers as appropriate + */ + if (pWin->parent && pWin->redirectDraw == RedirectDrawNone) + compSetPixmap (pWin, (*pScreen->GetWindowPixmap) (pWin->parent)); + /* + * Call down to next function + */ + if (pScreen->ReparentWindow) + (*pScreen->ReparentWindow) (pWin, pPriorParent); + cs->ReparentWindow = pScreen->ReparentWindow; + pScreen->ReparentWindow = compReparentWindow; + compCheckTree (pWin->drawable.pScreen); +} + +void +compCopyWindow (WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + int dx = 0, dy = 0; + + if (pWin->redirectDraw != RedirectDrawNone) + { + PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin); + CompWindowPtr cw = GetCompWindow (pWin); + + assert (cw->oldx != COMP_ORIGIN_INVALID); + assert (cw->oldy != COMP_ORIGIN_INVALID); + if (cw->pOldPixmap) + { + /* + * Ok, the old bits are available in pOldPixmap and + * need to be copied to pNewPixmap. + */ + RegionRec rgnDst; + GCPtr pGC; + + dx = ptOldOrg.x - pWin->drawable.x; + dy = ptOldOrg.y - pWin->drawable.y; + RegionTranslate(prgnSrc, -dx, -dy); + + RegionNull(&rgnDst); + + RegionIntersect(&rgnDst, + &pWin->borderClip, prgnSrc); + + RegionTranslate(&rgnDst, + -pPixmap->screen_x, -pPixmap->screen_y); + + dx = dx + pPixmap->screen_x - cw->oldx; + dy = dy + pPixmap->screen_y - cw->oldy; + pGC = GetScratchGC (pPixmap->drawable.depth, pScreen); + if (pGC) + { + BoxPtr pBox = RegionRects (&rgnDst); + int nBox = RegionNumRects (&rgnDst); + + ValidateGC(&pPixmap->drawable, pGC); + while (nBox--) + { + (void) (*pGC->ops->CopyArea) (&cw->pOldPixmap->drawable, + &pPixmap->drawable, + pGC, + pBox->x1 + dx, pBox->y1 + dy, + pBox->x2 - pBox->x1, + pBox->y2 - pBox->y1, + pBox->x1, pBox->y1); + pBox++; + } + FreeScratchGC (pGC); + } + RegionUninit (&rgnDst); + return; + } + dx = pPixmap->screen_x - cw->oldx; + dy = pPixmap->screen_y - cw->oldy; + ptOldOrg.x += dx; + ptOldOrg.y += dy; + } + + pScreen->CopyWindow = cs->CopyWindow; + if (ptOldOrg.x != pWin->drawable.x || ptOldOrg.y != pWin->drawable.y) + { + if (dx || dy) + RegionTranslate(prgnSrc, dx, dy); + (*pScreen->CopyWindow) (pWin, ptOldOrg, prgnSrc); + if (dx || dy) + RegionTranslate(prgnSrc, -dx, -dy); + } + else + { + ptOldOrg.x -= dx; + ptOldOrg.y -= dy; + RegionTranslate(prgnSrc, + pWin->drawable.x - ptOldOrg.x, + pWin->drawable.y - ptOldOrg.y); + DamageDamageRegion (&pWin->drawable, prgnSrc); + } + cs->CopyWindow = pScreen->CopyWindow; + pScreen->CopyWindow = compCopyWindow; + compCheckTree (pWin->drawable.pScreen); +} + +Bool +compCreateWindow (WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + Bool ret; + + pScreen->CreateWindow = cs->CreateWindow; + ret = (*pScreen->CreateWindow) (pWin); + if (pWin->parent && ret) + { + CompSubwindowsPtr csw = GetCompSubwindows (pWin->parent); + CompClientWindowPtr ccw; + PixmapPtr parent_pixmap = (*pScreen->GetWindowPixmap)(pWin->parent); + PixmapPtr window_pixmap = (*pScreen->GetWindowPixmap)(pWin); + + if (window_pixmap != parent_pixmap) + (*pScreen->SetWindowPixmap) (pWin, parent_pixmap); + if (csw) + for (ccw = csw->clients; ccw; ccw = ccw->next) + compRedirectWindow (clients[CLIENT_ID(ccw->id)], + pWin, ccw->update); + if (compImplicitRedirect (pWin, pWin->parent)) + compRedirectWindow (serverClient, pWin, CompositeRedirectAutomatic); + } + cs->CreateWindow = pScreen->CreateWindow; + pScreen->CreateWindow = compCreateWindow; + compCheckTree (pWin->drawable.pScreen); + return ret; +} + +Bool +compDestroyWindow (WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen (pScreen); + CompWindowPtr cw; + CompSubwindowsPtr csw; + Bool ret; + + pScreen->DestroyWindow = cs->DestroyWindow; + while ((cw = GetCompWindow (pWin))) + FreeResource (cw->clients->id, RT_NONE); + while ((csw = GetCompSubwindows (pWin))) + FreeResource (csw->clients->id, RT_NONE); + + if (pWin->redirectDraw != RedirectDrawNone) { + PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin); + + compSetParentPixmap (pWin); + (*pScreen->DestroyPixmap) (pPixmap); + } + ret = (*pScreen->DestroyWindow) (pWin); + cs->DestroyWindow = pScreen->DestroyWindow; + pScreen->DestroyWindow = compDestroyWindow; +/* compCheckTree (pWin->drawable.pScreen); can't check -- tree isn't good*/ + return ret; +} + +void +compSetRedirectBorderClip (WindowPtr pWin, RegionPtr pRegion) +{ + CompWindowPtr cw = GetCompWindow (pWin); + RegionRec damage; + + RegionNull(&damage); + /* + * Align old border clip with new border clip + */ + RegionTranslate(&cw->borderClip, + pWin->drawable.x - cw->borderClipX, + pWin->drawable.y - cw->borderClipY); + /* + * Compute newly visible portion of window for repaint + */ + RegionSubtract(&damage, pRegion, &cw->borderClip); + /* + * Report that as damaged so it will be redrawn + */ + DamageDamageRegion (&pWin->drawable, &damage); + RegionUninit(&damage); + /* + * Save the new border clip region + */ + RegionCopy(&cw->borderClip, pRegion); + cw->borderClipX = pWin->drawable.x; + cw->borderClipY = pWin->drawable.y; +} + +RegionPtr +compGetRedirectBorderClip (WindowPtr pWin) +{ + CompWindowPtr cw = GetCompWindow (pWin); + + return &cw->borderClip; +} + +static VisualPtr +compGetWindowVisual (WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + VisualID vid = wVisual (pWin); + int i; + + for (i = 0; i < pScreen->numVisuals; i++) + if (pScreen->visuals[i].vid == vid) + return &pScreen->visuals[i]; + return 0; +} + +PictFormatPtr +compWindowFormat (WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + + return PictureMatchVisual (pScreen, pWin->drawable.depth, + compGetWindowVisual (pWin)); +} + +static void +compWindowUpdateAutomatic (WindowPtr pWin) +{ + CompWindowPtr cw = GetCompWindow (pWin); + ScreenPtr pScreen = pWin->drawable.pScreen; + WindowPtr pParent = pWin->parent; + PixmapPtr pSrcPixmap = (*pScreen->GetWindowPixmap) (pWin); + PictFormatPtr pSrcFormat = compWindowFormat (pWin); + PictFormatPtr pDstFormat = compWindowFormat (pWin->parent); + int error; + RegionPtr pRegion = DamageRegion (cw->damage); + PicturePtr pSrcPicture = CreatePicture (0, &pSrcPixmap->drawable, + pSrcFormat, + 0, 0, + serverClient, + &error); + XID subwindowMode = IncludeInferiors; + PicturePtr pDstPicture = CreatePicture (0, &pParent->drawable, + pDstFormat, + CPSubwindowMode, + &subwindowMode, + serverClient, + &error); + + /* + * First move the region from window to screen coordinates + */ + RegionTranslate(pRegion, + pWin->drawable.x, pWin->drawable.y); + + /* + * Clip against the "real" border clip + */ + RegionIntersect(pRegion, pRegion, &cw->borderClip); + + /* + * Now translate from screen to dest coordinates + */ + RegionTranslate(pRegion, + -pParent->drawable.x, -pParent->drawable.y); + + /* + * Clip the picture + */ + SetPictureClipRegion (pDstPicture, 0, 0, pRegion); + + /* + * And paint + */ + CompositePicture (PictOpSrc, + pSrcPicture, + 0, + pDstPicture, + 0, 0, /* src_x, src_y */ + 0, 0, /* msk_x, msk_y */ + pSrcPixmap->screen_x - pParent->drawable.x, + pSrcPixmap->screen_y - pParent->drawable.y, + pSrcPixmap->drawable.width, + pSrcPixmap->drawable.height); + FreePicture (pSrcPicture, 0); + FreePicture (pDstPicture, 0); + /* + * Empty the damage region. This has the nice effect of + * rendering the translations above harmless + */ + DamageEmpty (cw->damage); +} + +static void +compPaintWindowToParent(WindowPtr pWin) +{ + compPaintChildrenToWindow(pWin->drawable.pScreen, pWin); + + if (pWin->redirectDraw != RedirectDrawNone) { + CompWindowPtr cw = GetCompWindow(pWin); + + if (cw->damaged) { + compWindowUpdateAutomatic(pWin); + cw->damaged = FALSE; + } + } +} + +void +compPaintChildrenToWindow(ScreenPtr pScreen, WindowPtr pWin) +{ + WindowPtr pChild; + CompScreenPtr cs = GetCompScreen(pScreen); + + if (!cs->damaged) + return; + + for (pChild = pWin->lastChild; pChild; pChild = pChild->prevSib) + compPaintWindowToParent(pChild); + + cs->damaged = FALSE; +} + +WindowPtr +CompositeRealChildHead(WindowPtr pWin) +{ + WindowPtr pChild, pChildBefore; + CompScreenPtr cs; + + if (!pWin->parent && + (screenIsSaved == SCREEN_SAVER_ON) && + (HasSaverWindow(pWin->drawable.pScreen->myNum))) { + + /* First child is the screen saver; see if next child is the overlay */ + pChildBefore = pWin->firstChild; + pChild = pChildBefore->nextSib; + + } + else { + pChildBefore = NullWindow; + pChild = pWin->firstChild; + } + + if (!pChild) { + return NullWindow; + } + + cs = GetCompScreen(pWin->drawable.pScreen); + if (pChild == cs->pOverlayWin) { + return pChild; + } + else { + return pChildBefore; + } +} + +/* ConfigNotify not implemented... replace with the old pixmap reallocation algorithm... */ +/* +int +compConfigNotify(WindowPtr pWin, int x, int y, int w, int h, + int bw, WindowPtr pSib) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + CompScreenPtr cs = GetCompScreen(pScreen); + Bool ret = 0; + WindowPtr pParent = pWin->parent; + int draw_x, draw_y; + Bool alloc_ret; + + if (cs->ConfigNotify) { + pScreen->ConfigNotify = cs->ConfigNotify; + ret = (*pScreen->ConfigNotify) (pWin, x, y, w, h, bw, pSib); + cs->ConfigNotify = pScreen->ConfigNotify; + pScreen->ConfigNotify = compConfigNotify; + + if (ret) + return ret; + } + + if (pWin->redirectDraw == RedirectDrawNone) + return Success; + + compCheckTree(pScreen); + + draw_x = pParent->drawable.x + x + bw; + draw_y = pParent->drawable.y + y + bw; + alloc_ret = compReallocPixmap(pWin, draw_x, draw_y, w, h, bw); + + if (alloc_ret == FALSE) + return BadAlloc; + return Success; +} +*/ |