Initial revisionXORG-STABLE

1 files changed, 212 insertions, 0 deletions

diff --git a/hw/xwin/winmultiwindowshape.c b/hw/xwin/winmultiwindowshape.c
new file mode 100755
index 000000000..5c623d14e
--- /dev/null
+++ b/hw/xwin/winmultiwindowshape.c
@@ -0,0 +1,212 @@
+/*
+ *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
+ */
+/* $XFree86: xc/programs/Xserver/hw/xwin/winmultiwindowshape.c,v 1.2 2003/11/10 18:22:44 tsi Exp $ */
+
+#ifdef SHAPE
+
+#include "win.h"
+
+
+/*
+ * External global variables
+ */
+
+extern HICON		g_hiconX;
+
+
+/*
+ * winSetShapeMultiWindow - See Porting Layer Definition - p. 42
+ */
+
+void
+winSetShapeMultiWindow (WindowPtr pWin)
+{
+#if CYGMULTIWINDOW_DEBUG
+  ErrorF ("winSetShapeMultiWindow - pWin: %08x\n", pWin);
+#endif
+  
+  /* Call any wrapped SetShape function */
+  if (winGetScreenPriv(pWin->drawable.pScreen)->SetShape)
+    winGetScreenPriv(pWin->drawable.pScreen)->SetShape (pWin);
+  
+  /* 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
+  ErrorF ("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(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);
+  
+  /* 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",
+		  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",
+		  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, rcWindow.right, iOffsetY, 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 - 1,
+				    pRects->y1 + iOffsetY - 1,
+				    pRects->x2 + iOffsetX - 1,
+				    pRects->y2 + iOffsetY - 1);
+	  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 - 1,
+		      pRects->y1 + iOffsetY - 1,
+		      pRects->x2 + iOffsetX - 1,
+		      pRects->y2 + iOffsetY - 1,
+		      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",
+		      GetLastError ());
+	    }
+
+	  /* 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