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-rw-r--r--xorg-server/hw/xwin/winmultiwindowshape.c211
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diff --git a/xorg-server/hw/xwin/winmultiwindowshape.c b/xorg-server/hw/xwin/winmultiwindowshape.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: Kensuke Matsuzaki
+ * Harold L Hunt II
+ */
+
+#ifdef HAVE_XWIN_CONFIG_H
+#include <xwin-config.h>
+#endif
+#ifdef SHAPE
+
+#include "win.h"
+
+
+/*
+ * winSetShapeMultiWindow - See Porting Layer Definition - p. 42
+ */
+
+void
+winSetShapeMultiWindow (WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ winWindowPriv(pWin);
+ winScreenPriv(pScreen);
+
+#if CYGMULTIWINDOW_DEBUG
+ ErrorF ("winSetShapeMultiWindow - pWin: %08x\n", pWin);
+#endif
+
+ WIN_UNWRAP(SetShape);
+ (*pScreen->SetShape)(pWin);
+ WIN_WRAP(SetShape, winSetShapeMultiWindow);
+
+ /* Update the Windows window's shape */
+ winReshapeMultiWindow (pWin);
+ winUpdateRgnMultiWindow (pWin);
+
+ return;
+}
+
+
+/*
+ * winUpdateRgnMultiWindow - Local function to update a Windows window region
+ */
+
+void
+winUpdateRgnMultiWindow (WindowPtr pWin)
+{
+ SetWindowRgn (winGetWindowPriv(pWin)->hWnd,
+ winGetWindowPriv(pWin)->hRgn, TRUE);
+}
+
+
+/*
+ * winReshapeMultiWindow - Computes the composite clipping region for a window
+ */
+
+void
+winReshapeMultiWindow (WindowPtr pWin)
+{
+ int nRects;
+ RegionRec rrNewShape;
+ BoxPtr pShape, pRects, pEnd;
+ HRGN hRgn, hRgnRect;
+ winWindowPriv(pWin);
+
+#if CYGDEBUG
+ winDebug ("winReshape ()\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;
+
+ /* Bail if Windows window handle is invalid */
+ if (pWinPriv->hWnd == 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(pWin->drawable.pScreen, &rrNewShape);
+ REGION_COPY(pWin->drawable.pScreen, &rrNewShape, wBoundingShape(pWin));
+ REGION_TRANSLATE(pWin->drawable.pScreen,
+ &rrNewShape,
+ pWin->borderWidth,
+ pWin->borderWidth);
+
+ nRects = REGION_NUM_RECTS(&rrNewShape);
+ pShape = REGION_RECTS(&rrNewShape);
+
+ /* Don't do anything if there are no rectangles in the region */
+ if (nRects > 0)
+ {
+ RECT rcClient;
+ RECT rcWindow;
+ int iOffsetX, iOffsetY;
+
+ /* Get client rectangle */
+ if (!GetClientRect (pWinPriv->hWnd, &rcClient))
+ {
+ ErrorF ("winReshape - GetClientRect failed, bailing: %d\n",
+ (int) GetLastError ());
+ return;
+ }
+
+ /* Translate client rectangle coords to screen coords */
+ /* NOTE: Only transforms top and left members */
+ ClientToScreen (pWinPriv->hWnd, (LPPOINT) &rcClient);
+
+ /* Get window rectangle */
+ if (!GetWindowRect (pWinPriv->hWnd, &rcWindow))
+ {
+ ErrorF ("winReshape - GetWindowRect failed, bailing: %d\n",
+ (int) GetLastError ());
+ return;
+ }
+
+ /* Calculate offset from window upper-left to client upper-left */
+ iOffsetX = rcClient.left - rcWindow.left;
+ iOffsetY = rcClient.top - rcWindow.top;
+
+ /* Create initial Windows region for title bar */
+ /* FIXME: Mean, nasty, ugly hack!!! */
+ hRgn = CreateRectRgn (0, 0, rcWindow.right, iOffsetY);
+ if (hRgn == NULL)
+ {
+ ErrorF ("winReshape - Initial CreateRectRgn (%d, %d, %d, %d) "
+ "failed: %d\n",
+ 0, 0, (int) rcWindow.right, iOffsetY, (int) GetLastError ());
+ }
+
+ /* 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 + iOffsetX,
+ pRects->y1 + iOffsetY,
+ pRects->x2 + iOffsetX,
+ pRects->y2 + iOffsetY);
+ if (hRgnRect == NULL)
+ {
+ ErrorF ("winReshape - Loop CreateRectRgn (%d, %d, %d, %d) "
+ "failed: %d\n"
+ "\tx1: %d x2: %d xOff: %d y1: %d y2: %d yOff: %d\n",
+ pRects->x1 + iOffsetX,
+ pRects->y1 + iOffsetY,
+ pRects->x2 + iOffsetX,
+ pRects->y2 + iOffsetY,
+ (int) GetLastError (),
+ pRects->x1, pRects->x2, iOffsetX,
+ pRects->y1, pRects->y2, iOffsetY);
+ }
+
+ /* Merge the Windows region with the accumulated region */
+ if (CombineRgn (hRgn, hRgn, hRgnRect, RGN_OR) == ERROR)
+ {
+ ErrorF ("winReshape - CombineRgn () failed: %d\n",
+ (int) GetLastError ());
+ }
+
+ /* Delete the temporary Windows region */
+ DeleteObject (hRgnRect);
+ }
+
+ /* Save a handle to the composite region in the window privates */
+ pWinPriv->hRgn = hRgn;
+ }
+
+ REGION_UNINIT(pWin->drawable.pScreen, &rrNewShape);
+
+ return;
+}
+#endif