diff options
Diffstat (limited to 'xorg-server/hw/xwin/winwindow.c')
| -rw-r--r-- | xorg-server/hw/xwin/winwindow.c | 710 |
1 files changed, 342 insertions, 368 deletions
diff --git a/xorg-server/hw/xwin/winwindow.c b/xorg-server/hw/xwin/winwindow.c index b83ea9485..a847561f8 100644 --- a/xorg-server/hw/xwin/winwindow.c +++ b/xorg-server/hw/xwin/winwindow.c @@ -34,559 +34,533 @@ #endif #include "win.h" - /* * Prototypes for local functions */ static int -winAddRgn (WindowPtr pWindow, pointer data); + winAddRgn(WindowPtr pWindow, pointer data); static -void -winUpdateRgnRootless (WindowPtr pWindow); + void + winUpdateRgnRootless(WindowPtr pWindow); static -void -winReshapeRootless (WindowPtr pWin); - + void + winReshapeRootless(WindowPtr pWin); #ifdef XWIN_NATIVEGDI /* See Porting Layer Definition - p. 37 */ /* See mfb/mfbwindow.c - mfbCreateWindow() */ Bool -winCreateWindowNativeGDI (WindowPtr pWin) +winCreateWindowNativeGDI(WindowPtr pWin) { - Bool fResult = TRUE; - ScreenPtr pScreen = pWin->drawable.pScreen; - winWindowPriv(pWin); - winScreenPriv(pScreen); + Bool fResult = TRUE; + ScreenPtr pScreen = pWin->drawable.pScreen; - winDebug ("winCreateWindowNativeGDI (%p)\n", pWin); + winWindowPriv(pWin); + winScreenPriv(pScreen); - WIN_UNWRAP(CreateWindow); - fResult = (*pScreen->CreateWindow) (pWin); - WIN_WRAP(CreateWindow, winCreateWindowNativeGDI); + winDebug ("winCreateWindowNativeGDI (%p)\n", pWin); - return fResult; -} + WIN_UNWRAP(CreateWindow); + fResult = (*pScreen->CreateWindow) (pWin); + WIN_WRAP(CreateWindow, winCreateWindowNativeGDI); + return fResult; +} /* See Porting Layer Definition - p. 37 */ /* See mfb/mfbwindow.c - mfbDestroyWindow() */ Bool -winDestroyWindowNativeGDI (WindowPtr pWin) +winDestroyWindowNativeGDI(WindowPtr pWin) { - Bool fResult = TRUE; - ScreenPtr pScreen = pWin->drawable.pScreen; - winWindowPriv(pWin); - winScreenPriv(pScreen); + Bool fResult = TRUE; + ScreenPtr pScreen = pWin->drawable.pScreen; - winDebug ("winDestroyWindowNativeGDI (%p)\n", pWin); + winWindowPriv(pWin); + winScreenPriv(pScreen); - WIN_UNWRAP(DestroyWindow); - fResult = (*pScreen->DestroyWindow)(pWin); - WIN_WRAP(DestroyWindow, winDestroyWindowNativeGDI); + winDebug ("winDestroyWindowNativeGDI (%p)\n", pWin); - return fResult; -} + WIN_UNWRAP(DestroyWindow); + fResult = (*pScreen->DestroyWindow) (pWin); + WIN_WRAP(DestroyWindow, winDestroyWindowNativeGDI); + return fResult; +} /* See Porting Layer Definition - p. 37 */ /* See mfb/mfbwindow.c - mfbPositionWindow() */ Bool -winPositionWindowNativeGDI (WindowPtr pWin, int x, int y) +winPositionWindowNativeGDI(WindowPtr pWin, int x, int y) { - Bool fResult = TRUE; - ScreenPtr pScreen = pWin->drawable.pScreen; - winWindowPriv(pWin); - winScreenPriv(pScreen); + Bool fResult = TRUE; + ScreenPtr pScreen = pWin->drawable.pScreen; - winDebug ("winPositionWindowNativeGDI (%p)\n", pWin); + winWindowPriv(pWin); + winScreenPriv(pScreen); - WIN_UNWRAP(PositionWindow); - fResult = (*pScreen->PositionWindow)(pWin, x, y); - WIN_WRAP(PositionWindow, winPositionWindowNativeGDI); + winDebug ("winPositionWindowNativeGDI (%p)\n", pWin); - return fResult; -} + WIN_UNWRAP(PositionWindow); + fResult = (*pScreen->PositionWindow) (pWin, x, y); + WIN_WRAP(PositionWindow, winPositionWindowNativeGDI); + return fResult; +} /* See Porting Layer Definition - p. 39 */ /* See mfb/mfbwindow.c - mfbCopyWindow() */ -void -winCopyWindowNativeGDI (WindowPtr pWin, - DDXPointRec ptOldOrg, - RegionPtr prgnSrc) +void +winCopyWindowNativeGDI(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc) { - DDXPointPtr pptSrc; - DDXPointPtr ppt; - RegionPtr prgnDst; - BoxPtr pBox; - int dx, dy; - int i, nbox; - WindowPtr pwinRoot; - BoxPtr pBoxDst; - ScreenPtr pScreen = pWin->drawable.pScreen; - winScreenPriv(pScreen); - - /* Get a pointer to the root window */ - pwinRoot = pWin->drawable.pScreen->root; - - /* Create a region for the destination */ - prgnDst = RegionCreate(NULL, 1); - - /* Calculate the shift from the source to the destination */ - dx = ptOldOrg.x - pWin->drawable.x; - dy = ptOldOrg.y - pWin->drawable.y; - - /* Translate the region from the destination to the source? */ - RegionTranslate(prgnSrc, -dx, -dy); - RegionIntersect(prgnDst, &pWin->borderClip, - prgnSrc); - - /* Get a pointer to the first box in the region to be copied */ - pBox = RegionRects(prgnDst); - - /* Get the number of boxes in the region */ - nbox = RegionNumRects(prgnDst); - - /* Allocate source points for each box */ - if(!(pptSrc = (DDXPointPtr )malloc(nbox * sizeof(DDXPointRec)))) - return; + DDXPointPtr pptSrc; + DDXPointPtr ppt; + RegionPtr prgnDst; + BoxPtr pBox; + int dx, dy; + int i, nbox; + WindowPtr pwinRoot; + BoxPtr pBoxDst; + ScreenPtr pScreen = pWin->drawable.pScreen; + + winScreenPriv(pScreen); + + /* Get a pointer to the root window */ + pwinRoot = pWin->drawable.pScreen->root; + + /* Create a region for the destination */ + prgnDst = RegionCreate(NULL, 1); + + /* Calculate the shift from the source to the destination */ + dx = ptOldOrg.x - pWin->drawable.x; + dy = ptOldOrg.y - pWin->drawable.y; + + /* Translate the region from the destination to the source? */ + RegionTranslate(prgnSrc, -dx, -dy); + RegionIntersect(prgnDst, &pWin->borderClip, prgnSrc); - /* Set an iterator pointer */ - ppt = pptSrc; + /* Get a pointer to the first box in the region to be copied */ + pBox = RegionRects(prgnDst); - /* Calculate the source point of each box? */ - for (i = nbox; --i >= 0; ppt++, pBox++) - { - ppt->x = pBox->x1 + dx; - ppt->y = pBox->y1 + dy; + /* Get the number of boxes in the region */ + nbox = RegionNumRects(prgnDst); + + /* Allocate source points for each box */ + if (!(pptSrc = (DDXPointPtr) malloc(nbox * sizeof(DDXPointRec)))) + return; + + /* Set an iterator pointer */ + ppt = pptSrc; + + /* Calculate the source point of each box? */ + for (i = nbox; --i >= 0; ppt++, pBox++) { + ppt->x = pBox->x1 + dx; + ppt->y = pBox->y1 + dy; } - /* Setup loop pointers again */ - pBoxDst = RegionRects(prgnDst); - ppt = pptSrc; - - /* BitBlt each source to the destination point */ - for (i = nbox; --i >= 0; pBoxDst++, ppt++) - { - BitBlt (pScreenPriv->hdcScreen, - pBoxDst->x1, pBoxDst->y1, - pBoxDst->x2 - pBoxDst->x1, pBoxDst->y2 - pBoxDst->y1, - pScreenPriv->hdcScreen, - ppt->x, ppt->y, - SRCCOPY); + /* Setup loop pointers again */ + pBoxDst = RegionRects(prgnDst); + ppt = pptSrc; + + /* BitBlt each source to the destination point */ + for (i = nbox; --i >= 0; pBoxDst++, ppt++) { + BitBlt(pScreenPriv->hdcScreen, + pBoxDst->x1, pBoxDst->y1, + pBoxDst->x2 - pBoxDst->x1, pBoxDst->y2 - pBoxDst->y1, + pScreenPriv->hdcScreen, ppt->x, ppt->y, SRCCOPY); } - /* Cleanup the regions, etc. */ - free(pptSrc); - RegionDestroy(prgnDst); + /* Cleanup the regions, etc. */ + free(pptSrc); + RegionDestroy(prgnDst); } - /* See Porting Layer Definition - p. 37 */ /* See mfb/mfbwindow.c - mfbChangeWindowAttributes() */ Bool -winChangeWindowAttributesNativeGDI (WindowPtr pWin, unsigned long mask) +winChangeWindowAttributesNativeGDI(WindowPtr pWin, unsigned long mask) { - Bool fResult = TRUE; - ScreenPtr pScreen = pWin->drawable.pScreen; - winWindowPriv(pWin); - winScreenPriv(pScreen); + Bool fResult = TRUE; + ScreenPtr pScreen = pWin->drawable.pScreen; + + winWindowPriv(pWin); + winScreenPriv(pScreen); winDebug ("winChangeWindowAttributesNativeGDI (%p)\n", pWin); - - WIN_UNWRAP(ChangeWindowAttributes); - fResult = (*pScreen->ChangeWindowAttributes)(pWin, mask); - WIN_WRAP(ChangeWindowAttributes, winChangeWindowAttributesNativeGDI); - - /* - * NOTE: We do not currently need to do anything here. - */ - - return fResult; -} + WIN_UNWRAP(ChangeWindowAttributes); + fResult = (*pScreen->ChangeWindowAttributes) (pWin, mask); + WIN_WRAP(ChangeWindowAttributes, winChangeWindowAttributesNativeGDI); + + /* + * NOTE: We do not currently need to do anything here. + */ + + return fResult; +} /* See Porting Layer Definition - p. 37 * Also referred to as UnrealizeWindow */ Bool -winUnmapWindowNativeGDI (WindowPtr pWin) +winUnmapWindowNativeGDI(WindowPtr pWin) { - Bool fResult = TRUE; - ScreenPtr pScreen = pWin->drawable.pScreen; - winWindowPriv(pWin); - winScreenPriv(pScreen); + Bool fResult = TRUE; + ScreenPtr pScreen = pWin->drawable.pScreen; + + winWindowPriv(pWin); + winScreenPriv(pScreen); winDebug ("winUnmapWindowNativeGDI (%p)\n", pWin); - WIN_UNWRAP(UnrealizeWindow); - fResult = (*pScreen->UnrealizeWindow)(pWin); - WIN_WRAP(UnrealizeWindow, winUnmapWindowNativeGDI); - - return fResult; -} + WIN_UNWRAP(UnrealizeWindow); + fResult = (*pScreen->UnrealizeWindow) (pWin); + WIN_WRAP(UnrealizeWindow, winUnmapWindowNativeGDI); + return fResult; +} /* See Porting Layer Definition - p. 37 * Also referred to as RealizeWindow */ Bool -winMapWindowNativeGDI (WindowPtr pWin) +winMapWindowNativeGDI(WindowPtr pWin) { - Bool fResult = TRUE; - ScreenPtr pScreen = pWin->drawable.pScreen; - winWindowPriv(pWin); - winScreenPriv(pScreen); + Bool fResult = TRUE; + ScreenPtr pScreen = pWin->drawable.pScreen; + + winWindowPriv(pWin); + winScreenPriv(pScreen); winDebug ("winMapWindowNativeGDI (%p)\n", pWin); - WIN_UNWRAP(RealizeWindow); - fResult = (*pScreen->RealizeWindow)(pWin); - WIN_WRAP(RealizeWindow, winMapWindowMultiWindow); - - return fResult; + WIN_UNWRAP(RealizeWindow); + fResult = (*pScreen->RealizeWindow) (pWin); + WIN_WRAP(RealizeWindow, winMapWindowMultiWindow); + + return fResult; } #endif - /* See Porting Layer Definition - p. 37 */ /* See mfb/mfbwindow.c - mfbCreateWindow() */ Bool -winCreateWindowRootless (WindowPtr pWin) +winCreateWindowRootless(WindowPtr pWin) { - Bool fResult = FALSE; - ScreenPtr pScreen = pWin->drawable.pScreen; - winWindowPriv(pWin); - winScreenPriv(pScreen); + Bool fResult = FALSE; + ScreenPtr pScreen = pWin->drawable.pScreen; + + winWindowPriv(pWin); + winScreenPriv(pScreen); winDebug ("winCreateWindowRootless (%p)\n", pWin); - WIN_UNWRAP(CreateWindow); - fResult = (*pScreen->CreateWindow) (pWin); - WIN_WRAP(CreateWindow, winCreateWindowRootless); - - pWinPriv->hRgn = NULL; - - return fResult; -} + WIN_UNWRAP(CreateWindow); + fResult = (*pScreen->CreateWindow) (pWin); + WIN_WRAP(CreateWindow, winCreateWindowRootless); + + pWinPriv->hRgn = NULL; + return fResult; +} /* See Porting Layer Definition - p. 37 */ /* See mfb/mfbwindow.c - mfbDestroyWindow() */ Bool -winDestroyWindowRootless (WindowPtr pWin) +winDestroyWindowRootless(WindowPtr pWin) { - Bool fResult = FALSE; - ScreenPtr pScreen = pWin->drawable.pScreen; - winWindowPriv(pWin); - winScreenPriv(pScreen); + Bool fResult = FALSE; + ScreenPtr pScreen = pWin->drawable.pScreen; + + winWindowPriv(pWin); + winScreenPriv(pScreen); winDebug ("winDestroyWindowRootless (%p)\n", pWin); - WIN_UNWRAP(DestroyWindow); - fResult = (*pScreen->DestroyWindow)(pWin); - WIN_WRAP(DestroyWindow, winDestroyWindowRootless); - - if (pWinPriv->hRgn != NULL) - { - DeleteObject(pWinPriv->hRgn); - pWinPriv->hRgn = NULL; + WIN_UNWRAP(DestroyWindow); + fResult = (*pScreen->DestroyWindow) (pWin); + WIN_WRAP(DestroyWindow, winDestroyWindowRootless); + + if (pWinPriv->hRgn != NULL) { + DeleteObject(pWinPriv->hRgn); + pWinPriv->hRgn = NULL; } - - winUpdateRgnRootless (pWin); - - return fResult; -} + winUpdateRgnRootless(pWin); + + return fResult; +} /* See Porting Layer Definition - p. 37 */ /* See mfb/mfbwindow.c - mfbPositionWindow() */ Bool -winPositionWindowRootless (WindowPtr pWin, int x, int y) +winPositionWindowRootless(WindowPtr pWin, int x, int y) { - Bool fResult = FALSE; - ScreenPtr pScreen = pWin->drawable.pScreen; - winScreenPriv(pScreen); - - winDebug ("winPositionWindowRootless (%p)\n", pWin); - - WIN_UNWRAP(PositionWindow); - fResult = (*pScreen->PositionWindow)(pWin, x, y); - WIN_WRAP(PositionWindow, winPositionWindowRootless); - - winUpdateRgnRootless (pWin); - - return fResult; -} + Bool fResult = FALSE; + ScreenPtr pScreen = pWin->drawable.pScreen; + + winScreenPriv(pScreen); + winDebug ("winPositionWindowRootless (%p)\n", pWin); + + WIN_UNWRAP(PositionWindow); + fResult = (*pScreen->PositionWindow) (pWin, x, y); + WIN_WRAP(PositionWindow, winPositionWindowRootless); + + winUpdateRgnRootless(pWin); + + return fResult; +} /* See Porting Layer Definition - p. 37 */ /* See mfb/mfbwindow.c - mfbChangeWindowAttributes() */ Bool -winChangeWindowAttributesRootless (WindowPtr pWin, unsigned long mask) +winChangeWindowAttributesRootless(WindowPtr pWin, unsigned long mask) { - Bool fResult = FALSE; - ScreenPtr pScreen = pWin->drawable.pScreen; - winScreenPriv(pScreen); + Bool fResult = FALSE; + ScreenPtr pScreen = pWin->drawable.pScreen; + + winScreenPriv(pScreen); winDebug ("winChangeWindowAttributesRootless (%p)\n", pWin); - WIN_UNWRAP(ChangeWindowAttributes); - fResult = (*pScreen->ChangeWindowAttributes)(pWin, mask); - WIN_WRAP(ChangeWindowAttributes, winChangeWindowAttributesRootless); + WIN_UNWRAP(ChangeWindowAttributes); + fResult = (*pScreen->ChangeWindowAttributes) (pWin, mask); + WIN_WRAP(ChangeWindowAttributes, winChangeWindowAttributesRootless); - winUpdateRgnRootless (pWin); - - return fResult; -} + winUpdateRgnRootless(pWin); + return fResult; +} /* See Porting Layer Definition - p. 37 * Also referred to as UnrealizeWindow */ Bool -winUnmapWindowRootless (WindowPtr pWin) +winUnmapWindowRootless(WindowPtr pWin) { - Bool fResult = FALSE; - ScreenPtr pScreen = pWin->drawable.pScreen; - winWindowPriv(pWin); - winScreenPriv(pScreen); + Bool fResult = FALSE; + ScreenPtr pScreen = pWin->drawable.pScreen; + + winWindowPriv(pWin); + winScreenPriv(pScreen); winDebug ("winUnmapWindowRootless (%p)\n", pWin); - WIN_UNWRAP(UnrealizeWindow); - fResult = (*pScreen->UnrealizeWindow)(pWin); - WIN_WRAP(UnrealizeWindow, winUnmapWindowRootless); - - if (pWinPriv->hRgn != NULL) - { - DeleteObject(pWinPriv->hRgn); - pWinPriv->hRgn = NULL; + WIN_UNWRAP(UnrealizeWindow); + fResult = (*pScreen->UnrealizeWindow) (pWin); + WIN_WRAP(UnrealizeWindow, winUnmapWindowRootless); + + if (pWinPriv->hRgn != NULL) { + DeleteObject(pWinPriv->hRgn); + pWinPriv->hRgn = NULL; } - - winUpdateRgnRootless (pWin); - - return fResult; -} + winUpdateRgnRootless(pWin); + + return fResult; +} /* See Porting Layer Definition - p. 37 * Also referred to as RealizeWindow */ Bool -winMapWindowRootless (WindowPtr pWin) +winMapWindowRootless(WindowPtr pWin) { - Bool fResult = FALSE; - ScreenPtr pScreen = pWin->drawable.pScreen; - winScreenPriv(pScreen); + Bool fResult = FALSE; + ScreenPtr pScreen = pWin->drawable.pScreen; + + winScreenPriv(pScreen); winDebug ("winMapWindowRootless (%p)\n", pWin); - WIN_UNWRAP(RealizeWindow); - fResult = (*pScreen->RealizeWindow)(pWin); - WIN_WRAP(RealizeWindow, winMapWindowRootless); + WIN_UNWRAP(RealizeWindow); + fResult = (*pScreen->RealizeWindow) (pWin); + WIN_WRAP(RealizeWindow, winMapWindowRootless); - winReshapeRootless (pWin); - - winUpdateRgnRootless (pWin); - - return fResult; -} + winReshapeRootless(pWin); + winUpdateRgnRootless(pWin); + + return fResult; +} void -winSetShapeRootless (WindowPtr pWin, int kind) +winSetShapeRootless(WindowPtr pWin, int kind) { - ScreenPtr pScreen = pWin->drawable.pScreen; - winScreenPriv(pScreen); + ScreenPtr pScreen = pWin->drawable.pScreen; + + winScreenPriv(pScreen); winDebug ("winSetShapeRootless (%p, %i)\n", pWin, kind); - WIN_UNWRAP(SetShape); - (*pScreen->SetShape)(pWin, kind); - WIN_WRAP(SetShape, winSetShapeRootless); - - winReshapeRootless (pWin); - winUpdateRgnRootless (pWin); - - return; -} + WIN_UNWRAP(SetShape); + (*pScreen->SetShape) (pWin, kind); + WIN_WRAP(SetShape, winSetShapeRootless); + winReshapeRootless(pWin); + winUpdateRgnRootless(pWin); + + return; +} /* * Local function for adding a region to the Windows window region */ static -int -winAddRgn (WindowPtr pWin, pointer data) + int +winAddRgn(WindowPtr pWin, pointer data) { - int iX, iY, iWidth, iHeight, iBorder; - HRGN hRgn = *(HRGN*)data; - HRGN hRgnWin; - winWindowPriv(pWin); - - /* If pWin is not Root */ - if (pWin->parent != NULL) - { - winDebug ("winAddRgn ()\n"); - if (pWin->mapped) - { - iBorder = wBorderWidth (pWin); - - iX = pWin->drawable.x - iBorder; - iY = pWin->drawable.y - iBorder; - - iWidth = pWin->drawable.width + iBorder * 2; - iHeight = pWin->drawable.height + iBorder * 2; - - hRgnWin = CreateRectRgn (0, 0, iWidth, iHeight); - - if (hRgnWin == NULL) - { - winDebug ("winAddRgn - CreateRectRgn () failed\n"); - winDebug (" Rect %d %d %d %d\n", - iX, iY, iX + iWidth, iY + iHeight); - } - - if (pWinPriv->hRgn) - { - if (CombineRgn (hRgnWin, hRgnWin, pWinPriv->hRgn, RGN_AND) - == ERROR) - { - ErrorF ("winAddRgn - CombineRgn () failed\n"); - } - } - - OffsetRgn (hRgnWin, iX, iY); - - if (CombineRgn (hRgn, hRgn, hRgnWin, RGN_OR) == ERROR) - { - ErrorF ("winAddRgn - CombineRgn () failed\n"); - } - - DeleteObject (hRgnWin); - } - return WT_DONTWALKCHILDREN; + int iX, iY, iWidth, iHeight, iBorder; + HRGN hRgn = *(HRGN *) data; + HRGN hRgnWin; + + winWindowPriv(pWin); + + /* If pWin is not Root */ + if (pWin->parent != NULL) { + winDebug("winAddRgn ()\n"); + if (pWin->mapped) { + iBorder = wBorderWidth(pWin); + + iX = pWin->drawable.x - iBorder; + iY = pWin->drawable.y - iBorder; + + iWidth = pWin->drawable.width + iBorder * 2; + iHeight = pWin->drawable.height + iBorder * 2; + + hRgnWin = CreateRectRgn(0, 0, iWidth, iHeight); + + if (hRgnWin == NULL) { + winDebug ("winAddRgn - CreateRectRgn () failed\n"); + winDebug (" Rect %d %d %d %d\n", + iX, iY, iX + iWidth, iY + iHeight); + } + + if (pWinPriv->hRgn) { + if (CombineRgn(hRgnWin, hRgnWin, pWinPriv->hRgn, RGN_AND) + == ERROR) { + ErrorF("winAddRgn - CombineRgn () failed\n"); + } + } + + OffsetRgn(hRgnWin, iX, iY); + + if (CombineRgn(hRgn, hRgn, hRgnWin, RGN_OR) == ERROR) { + ErrorF("winAddRgn - CombineRgn () failed\n"); + } + + DeleteObject(hRgnWin); + } + return WT_DONTWALKCHILDREN; } - else - { - return WT_WALKCHILDREN; + else { + return WT_WALKCHILDREN; } } - /* * Local function to update the Windows window's region */ static -void -winUpdateRgnRootless (WindowPtr pWin) + void +winUpdateRgnRootless(WindowPtr pWin) { - HRGN hRgn = CreateRectRgn (0, 0, 0, 0); - - if (hRgn != NULL) - { - WalkTree (pWin->drawable.pScreen, winAddRgn, &hRgn); - SetWindowRgn (winGetScreenPriv(pWin->drawable.pScreen)->hwndScreen, - hRgn, TRUE); + HRGN hRgn = CreateRectRgn(0, 0, 0, 0); + + if (hRgn != NULL) { + WalkTree(pWin->drawable.pScreen, winAddRgn, &hRgn); + SetWindowRgn(winGetScreenPriv(pWin->drawable.pScreen)->hwndScreen, + hRgn, TRUE); } - else - { - ErrorF ("winUpdateRgnRootless - CreateRectRgn failed.\n"); + else { + ErrorF("winUpdateRgnRootless - CreateRectRgn failed.\n"); } } - static -void -winReshapeRootless (WindowPtr pWin) + void +winReshapeRootless(WindowPtr pWin) { - int nRects; - RegionRec rrNewShape; - BoxPtr pShape, pRects, pEnd; - HRGN hRgn, hRgnRect; - winWindowPriv(pWin); + int nRects; + RegionRec rrNewShape; + BoxPtr pShape, pRects, pEnd; + HRGN hRgn, hRgnRect; - winDebug ("winReshapeRootless ()\n"); + winWindowPriv(pWin); - /* Bail if the window is the root window */ - if (pWin->parent == NULL) - return; + winDebug("winReshapeRootless ()\n"); - /* Bail if the window is not top level */ - if (pWin->parent->parent != NULL) - return; + /* Bail if the window is the root window */ + if (pWin->parent == NULL) + return; - /* Free any existing window region stored in the window privates */ - if (pWinPriv->hRgn != NULL) - { - DeleteObject (pWinPriv->hRgn); - pWinPriv->hRgn = NULL; + /* Bail if the window is not top level */ + if (pWin->parent->parent != NULL) + return; + + /* Free any existing window region stored in the window privates */ + if (pWinPriv->hRgn != NULL) { + DeleteObject(pWinPriv->hRgn); + pWinPriv->hRgn = NULL; } - - /* Bail if the window has no bounding region defined */ - if (!wBoundingShape (pWin)) - return; - RegionNull(&rrNewShape); - RegionCopy(&rrNewShape, wBoundingShape(pWin)); - RegionTranslate(&rrNewShape, pWin->borderWidth, - pWin->borderWidth); - - nRects = RegionNumRects(&rrNewShape); - pShape = RegionRects(&rrNewShape); - - if (nRects > 0) - { - /* Create initial empty Windows region */ - hRgn = CreateRectRgn (0, 0, 0, 0); - - /* Loop through all rectangles in the X region */ - for (pRects = pShape, pEnd = pShape + nRects; pRects < pEnd; pRects++) - { - /* Create a Windows region for the X rectangle */ - hRgnRect = CreateRectRgn (pRects->x1, pRects->y1, - pRects->x2, pRects->y2); - if (hRgnRect == NULL) - { - ErrorF("winReshapeRootless - CreateRectRgn() failed\n"); - } - - /* Merge the Windows region with the accumulated region */ - if (CombineRgn (hRgn, hRgn, hRgnRect, RGN_OR) == ERROR) - { - ErrorF("winReshapeRootless - CombineRgn() failed\n"); - } - - /* Delete the temporary Windows region */ - DeleteObject (hRgnRect); + /* Bail if the window has no bounding region defined */ + if (!wBoundingShape(pWin)) + return; + + RegionNull(&rrNewShape); + RegionCopy(&rrNewShape, wBoundingShape(pWin)); + RegionTranslate(&rrNewShape, pWin->borderWidth, pWin->borderWidth); + + nRects = RegionNumRects(&rrNewShape); + pShape = RegionRects(&rrNewShape); + + if (nRects > 0) { + /* Create initial empty Windows region */ + hRgn = CreateRectRgn(0, 0, 0, 0); + + /* Loop through all rectangles in the X region */ + for (pRects = pShape, pEnd = pShape + nRects; pRects < pEnd; pRects++) { + /* Create a Windows region for the X rectangle */ + hRgnRect = CreateRectRgn(pRects->x1, pRects->y1, + pRects->x2, pRects->y2); + if (hRgnRect == NULL) { + ErrorF("winReshapeRootless - CreateRectRgn() failed\n"); + } + + /* Merge the Windows region with the accumulated region */ + if (CombineRgn(hRgn, hRgn, hRgnRect, RGN_OR) == ERROR) { + ErrorF("winReshapeRootless - CombineRgn() failed\n"); + } + + /* Delete the temporary Windows region */ + DeleteObject(hRgnRect); } - - /* Save a handle to the composite region in the window privates */ - pWinPriv->hRgn = hRgn; + + /* Save a handle to the composite region in the window privates */ + pWinPriv->hRgn = hRgn; } - RegionUninit(&rrNewShape); - - return; + RegionUninit(&rrNewShape); + + return; } |