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-rw-r--r--xorg-server/hw/xwin/winwindow.c649
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diff --git a/xorg-server/hw/xwin/winwindow.c b/xorg-server/hw/xwin/winwindow.c
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+/*
+ *Copyright (C) 1994-2000 The XFree86 Project, 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 XFREE86 PROJECT 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 of the XFree86 Project
+ *shall not be used in advertising or otherwise to promote the sale, use
+ *or other dealings in this Software without prior written authorization
+ *from the XFree86 Project.
+ *
+ * Authors: Harold L Hunt II
+ * Kensuke Matsuzaki
+ */
+
+#ifdef HAVE_XWIN_CONFIG_H
+#include <xwin-config.h>
+#endif
+#include "win.h"
+
+
+/*
+ * Prototypes for local functions
+ */
+
+static int
+winAddRgn (WindowPtr pWindow, pointer data);
+
+static
+void
+winUpdateRgnRootless (WindowPtr pWindow);
+
+#ifdef SHAPE
+static
+void
+winReshapeRootless (WindowPtr pWin);
+#endif
+
+
+#ifdef XWIN_NATIVEGDI
+/* See Porting Layer Definition - p. 37 */
+/* See mfb/mfbwindow.c - mfbCreateWindow() */
+
+Bool
+winCreateWindowNativeGDI (WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ winWindowPriv(pWin);
+ winScreenPriv(pScreen);
+
+#if CYGDEBUG
+ winTrace ("winCreateWindowNativeGDI (%p)\n", pWin);
+#endif
+
+ 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)
+{
+ Bool fResult = TRUE;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ winWindowPriv(pWin);
+ winScreenPriv(pScreen);
+
+#if CYGDEBUG
+ winTrace ("winDestroyWindowNativeGDI (%p)\n", pWin);
+#endif
+
+ 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)
+{
+ Bool fResult = TRUE;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ winWindowPriv(pWin);
+ winScreenPriv(pScreen);
+
+#if CYGDEBUG
+ winTrace ("winPositionWindowNativeGDI (%p)\n", pWin);
+#endif
+
+ 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)
+{
+ 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);
+
+#if 0
+ ErrorF ("winCopyWindow\n");
+#endif
+
+ /* Get a pointer to the root window */
+ pwinRoot = WindowTable[pWin->drawable.pScreen->myNum];
+
+ /* Create a region for the destination */
+ prgnDst = REGION_CREATE(pWin->drawable.pScreen, 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? */
+ REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy);
+ REGION_INTERSECT(pWin->drawable.pScreen, prgnDst, &pWin->borderClip,
+ prgnSrc);
+
+ /* Get a pointer to the first box in the region to be copied */
+ pBox = REGION_RECTS(prgnDst);
+
+ /* Get the number of boxes in the region */
+ nbox = REGION_NUM_RECTS(prgnDst);
+
+ /* Allocate source points for each box */
+ if(!(pptSrc = (DDXPointPtr )xalloc(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 = REGION_RECTS(prgnDst);
+ ppt = pptSrc;
+
+#if 0
+ ErrorF ("winCopyWindow - x1\tx2\ty1\ty2\tx\ty\n");
+#endif
+
+ /* BitBlt each source to the destination point */
+ for (i = nbox; --i >= 0; pBoxDst++, ppt++)
+ {
+#if 0
+ ErrorF ("winCopyWindow - %d\t%d\t%d\t%d\t%d\t%d\n",
+ pBoxDst->x1, pBoxDst->x2, pBoxDst->y1, pBoxDst->y2,
+ ppt->x, ppt->y);
+#endif
+
+ 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. */
+ xfree(pptSrc);
+ REGION_DESTROY(pWin->drawable.pScreen, prgnDst);
+}
+
+
+/* See Porting Layer Definition - p. 37 */
+/* See mfb/mfbwindow.c - mfbChangeWindowAttributes() */
+
+Bool
+winChangeWindowAttributesNativeGDI (WindowPtr pWin, unsigned long mask)
+{
+ Bool fResult = TRUE;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ winWindowPriv(pWin);
+ winScreenPriv(pScreen);
+
+#if CYGDEBUG
+ winTrace ("winChangeWindowAttributesNativeGDI (%p)\n", pWin);
+#endif
+
+ 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)
+{
+ Bool fResult = TRUE;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ winWindowPriv(pWin);
+ winScreenPriv(pScreen);
+
+#if CYGDEBUG
+ winTrace ("winUnmapWindowNativeGDI (%p)\n", pWin);
+#endif
+
+ 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)
+{
+ Bool fResult = TRUE;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ winWindowPriv(pWin);
+ winScreenPriv(pScreen);
+
+#if CYGDEBUG
+ winTrace ("winMapWindowNativeGDI (%p)\n", pWin);
+#endif
+
+ 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)
+{
+ Bool fResult = FALSE;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ winWindowPriv(pWin);
+ winScreenPriv(pScreen);
+
+#if CYGDEBUG
+ winTrace ("winCreateWindowRootless (%p)\n", pWin);
+#endif
+
+ 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)
+{
+ Bool fResult = FALSE;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ winWindowPriv(pWin);
+ winScreenPriv(pScreen);
+
+#if CYGDEBUG
+ winTrace ("winDestroyWindowRootless (%p)\n", pWin);
+#endif
+
+ 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;
+}
+
+
+/* See Porting Layer Definition - p. 37 */
+/* See mfb/mfbwindow.c - mfbPositionWindow() */
+
+Bool
+winPositionWindowRootless (WindowPtr pWin, int x, int y)
+{
+ Bool fResult = FALSE;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ winWindowPriv(pWin);
+ winScreenPriv(pScreen);
+
+
+#if CYGDEBUG
+ winTrace ("winPositionWindowRootless (%p)\n", pWin);
+#endif
+
+ 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)
+{
+ Bool fResult = FALSE;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ winWindowPriv(pWin);
+ winScreenPriv(pScreen);
+
+#if CYGDEBUG
+ winTrace ("winChangeWindowAttributesRootless (%p)\n", pWin);
+#endif
+
+ WIN_UNWRAP(ChangeWindowAttributes);
+ fResult = (*pScreen->ChangeWindowAttributes)(pWin, mask);
+ WIN_WRAP(ChangeWindowAttributes, winChangeWindowAttributesRootless);
+
+ winUpdateRgnRootless (pWin);
+
+ return fResult;
+}
+
+
+/* See Porting Layer Definition - p. 37
+ * Also referred to as UnrealizeWindow
+ */
+
+Bool
+winUnmapWindowRootless (WindowPtr pWin)
+{
+ Bool fResult = FALSE;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ winWindowPriv(pWin);
+ winScreenPriv(pScreen);
+
+#if CYGDEBUG
+ winTrace ("winUnmapWindowRootless (%p)\n", pWin);
+#endif
+
+ 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;
+}
+
+
+/* See Porting Layer Definition - p. 37
+ * Also referred to as RealizeWindow
+ */
+
+Bool
+winMapWindowRootless (WindowPtr pWin)
+{
+ Bool fResult = FALSE;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ winWindowPriv(pWin);
+ winScreenPriv(pScreen);
+
+#if CYGDEBUG
+ winTrace ("winMapWindowRootless (%p)\n", pWin);
+#endif
+
+ WIN_UNWRAP(RealizeWindow);
+ fResult = (*pScreen->RealizeWindow)(pWin);
+ WIN_WRAP(RealizeWindow, winMapWindowRootless);
+
+#ifdef SHAPE
+ winReshapeRootless (pWin);
+#endif
+
+ winUpdateRgnRootless (pWin);
+
+ return fResult;
+}
+
+
+#ifdef SHAPE
+void
+winSetShapeRootless (WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ winWindowPriv(pWin);
+ winScreenPriv(pScreen);
+
+#if CYGDEBUG
+ winTrace ("winSetShapeRootless (%p)\n", pWin);
+#endif
+
+ WIN_UNWRAP(SetShape);
+ (*pScreen->SetShape)(pWin);
+ WIN_WRAP(SetShape, winSetShapeRootless);
+
+ winReshapeRootless (pWin);
+ winUpdateRgnRootless (pWin);
+
+ return;
+}
+#endif
+
+
+/*
+ * Local function for adding a region to the Windows window region
+ */
+
+static
+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)
+ {
+#if CYGDEBUG
+ winDebug ("winAddRgn ()\n");
+#endif
+ 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)
+ {
+ ErrorF ("winAddRgn - CreateRectRgn () failed\n");
+ ErrorF (" 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;
+ }
+}
+
+
+/*
+ * Local function to update the Windows window's region
+ */
+
+static
+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);
+ }
+ else
+ {
+ ErrorF ("winUpdateRgnRootless - CreateRectRgn failed.\n");
+ }
+}
+
+
+#ifdef SHAPE
+static
+void
+winReshapeRootless (WindowPtr pWin)
+{
+ int nRects;
+ /* ScreenPtr pScreen = pWin->drawable.pScreen;*/
+ RegionRec rrNewShape;
+ BoxPtr pShape, pRects, pEnd;
+ HRGN hRgn, hRgnRect;
+ winWindowPriv(pWin);
+
+#if CYGDEBUG
+ winDebug ("winReshapeRootless ()\n");
+#endif
+
+ /* Bail if the window is the root window */
+ if (pWin->parent == NULL)
+ return;
+
+ /* 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;
+
+ REGION_NULL(pScreen, &rrNewShape);
+ REGION_COPY(pScreen, &rrNewShape, wBoundingShape(pWin));
+ REGION_TRANSLATE(pScreen, &rrNewShape, pWin->borderWidth,
+ pWin->borderWidth);
+
+ nRects = REGION_NUM_RECTS(&rrNewShape);
+ pShape = REGION_RECTS(&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;
+ }
+
+ REGION_UNINIT(pScreen, &rrNewShape);
+
+ return;
+}
+#endif