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1 files changed, 463 insertions, 0 deletions

diff --git a/hw/xwin/winwindow.c b/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
+ */
+/* $XFree86: xc/programs/Xserver/hw/xwin/winwindow.c,v 1.6 2003/02/12 15:01:38 alanh Exp $ */
+
+#include "win.h"
+
+/*
+ * Prototypes for local functions
+ */
+
+static int
+winAddRgn (WindowPtr pWindow, pointer data);
+
+static
+void
+winUpdateRgn (WindowPtr pWindow);
+
+#ifdef SHAPE
+static
+void
+winReshape (WindowPtr pWin);
+#endif
+
+
+/* See Porting Layer Definition - p. 37 */
+/* See mfb/mfbwindow.c - mfbCreateWindow() */
+
+Bool
+winCreateWindowNativeGDI (WindowPtr pWin)
+{
+  ErrorF ("winCreateWindowNativeGDI ()\n");
+  return TRUE;
+}
+
+
+/* See Porting Layer Definition - p. 37 */
+/* See mfb/mfbwindow.c - mfbDestroyWindow() */
+
+Bool
+winDestroyWindowNativeGDI (WindowPtr pWin)
+{
+  ErrorF ("winDestroyWindowNativeGDI ()\n");
+  return TRUE;
+}
+
+
+/* See Porting Layer Definition - p. 37 */
+/* See mfb/mfbwindow.c - mfbPositionWindow() */
+
+Bool
+winPositionWindowNativeGDI (WindowPtr pWin, int x, int y)
+{
+  ErrorF ("winPositionWindowNativeGDI ()\n");
+  return TRUE;
+}
+
+
+/* See Porting Layer Definition - p. 39 */
+/* See mfb/mfbwindow.c - mfbCopyWindow() */
+
+void 
+winCopyWindowNativeGDI (WindowPtr pWin,
+			DDXPointRec ptOldOrg,
+			RegionPtr prgnSrc)
+{
+  ErrorF ("winCopyWindowNativeGDI ()\n");
+}
+
+
+/* See Porting Layer Definition - p. 37 */
+/* See mfb/mfbwindow.c - mfbChangeWindowAttributes() */
+
+Bool
+winChangeWindowAttributesNativeGDI (WindowPtr pWin, unsigned long mask)
+{
+  ErrorF ("winChangeWindowAttributesNativeGDI ()\n");
+  return TRUE;
+}
+
+
+/* See Porting Layer Definition - p. 37
+ * Also referred to as UnrealizeWindow
+ */
+
+Bool
+winUnmapWindowNativeGDI (WindowPtr pWindow)
+{
+  ErrorF ("winUnmapWindowNativeGDI ()\n");
+  /* This functions is empty in the CFB,
+   * we probably won't need to do anything
+   */
+  return TRUE;
+}
+
+
+/* See Porting Layer Definition - p. 37
+ * Also referred to as RealizeWindow
+ */
+
+Bool
+winMapWindowNativeGDI (WindowPtr pWindow)
+{
+  ErrorF ("winMapWindowNativeGDI ()\n");
+  /* This function is empty in the CFB,
+   * we probably won't need to do anything
+   */
+  return TRUE;
+
+}
+
+
+/* See Porting Layer Definition - p. 37 */
+/* See mfb/mfbwindow.c - mfbCreateWindow() */
+
+Bool
+winCreateWindowPRootless (WindowPtr pWin)
+{
+  Bool			fResult = FALSE;
+  winWindowPriv(pWin);
+
+#if CYGDEBUG
+  ErrorF ("winCreateWindowPRootless ()\n");
+#endif
+
+  fResult = winGetScreenPriv(pWin->drawable.pScreen)->CreateWindow(pWin);
+  
+  pWinPriv->hRgn = NULL;
+  /*winUpdateRgn (pWin);*/
+  
+  return fResult;
+}
+
+
+/* See Porting Layer Definition - p. 37 */
+/* See mfb/mfbwindow.c - mfbDestroyWindow() */
+
+Bool
+winDestroyWindowPRootless (WindowPtr pWin)
+{
+  Bool			fResult = FALSE;
+  winWindowPriv(pWin);
+
+#if CYGDEBUG
+  ErrorF ("winDestroyWindowPRootless ()\n");
+#endif
+
+  fResult = winGetScreenPriv(pWin->drawable.pScreen)->DestroyWindow(pWin);
+  
+  if (pWinPriv->hRgn != NULL)
+    {
+      DeleteObject(pWinPriv->hRgn);
+      pWinPriv->hRgn = NULL;
+    }
+  
+  winUpdateRgn (pWin);
+  
+  return fResult;
+}
+
+
+/* See Porting Layer Definition - p. 37 */
+/* See mfb/mfbwindow.c - mfbPositionWindow() */
+
+Bool
+winPositionWindowPRootless (WindowPtr pWin, int x, int y)
+{
+  Bool			fResult = FALSE;
+
+#if CYGDEBUG
+  ErrorF ("winPositionWindowPRootless ()\n");
+#endif
+
+  fResult = winGetScreenPriv(pWin->drawable.pScreen)->PositionWindow(pWin, x, y);
+  
+  winUpdateRgn (pWin);
+  
+  return fResult;
+}
+
+
+/* See Porting Layer Definition - p. 37 */
+/* See mfb/mfbwindow.c - mfbChangeWindowAttributes() */
+
+Bool
+winChangeWindowAttributesPRootless (WindowPtr pWin, unsigned long mask)
+{
+  Bool			fResult = FALSE;
+
+#if CYGDEBUG
+  ErrorF ("winChangeWindowAttributesPRootless ()\n");
+#endif
+
+  fResult = winGetScreenPriv(pWin->drawable.pScreen)->ChangeWindowAttributes(pWin, mask);
+  
+  winUpdateRgn (pWin);
+  
+  return fResult;
+}
+
+
+/* See Porting Layer Definition - p. 37
+ * Also referred to as UnrealizeWindow
+ */
+
+Bool
+winUnmapWindowPRootless (WindowPtr pWin)
+{
+  Bool			fResult = FALSE;
+  winWindowPriv(pWin);
+
+#if CYGDEBUG
+  ErrorF ("winUnmapWindowPRootless ()\n");
+#endif
+
+  fResult = winGetScreenPriv(pWin->drawable.pScreen)->UnrealizeWindow(pWin);
+  
+  if (pWinPriv->hRgn != NULL)
+    {
+      DeleteObject(pWinPriv->hRgn);
+      pWinPriv->hRgn = NULL;
+    }
+  
+  winUpdateRgn (pWin);
+  
+  return fResult;
+}
+
+
+/* See Porting Layer Definition - p. 37
+ * Also referred to as RealizeWindow
+ */
+
+Bool
+winMapWindowPRootless (WindowPtr pWin)
+{
+  Bool			fResult = FALSE;
+
+#if CYGDEBUG
+  ErrorF ("winMapWindowPRootless ()\n");
+#endif
+
+  fResult = winGetScreenPriv(pWin->drawable.pScreen)->RealizeWindow(pWin);
+  
+  winReshape (pWin);
+  
+  winUpdateRgn (pWin);
+  
+  return fResult;
+}
+
+
+#ifdef SHAPE
+void
+winSetShapePRootless (WindowPtr pWin)
+{
+#if CYGDEBUG
+  ErrorF ("winSetShapePRootless ()\n");
+#endif
+
+  winGetScreenPriv(pWin->drawable.pScreen)->SetShape(pWin);
+  
+  winReshape (pWin);
+  winUpdateRgn (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
+      ErrorF ("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
+winUpdateRgn (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 ("winUpdateRgn - CreateRectRgn failed.\n");
+    }
+}
+
+
+#ifdef SHAPE
+static
+void
+winReshape (WindowPtr pWin)
+{
+  int		nRects;
+  ScreenPtr	pScreen = pWin->drawable.pScreen;
+  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;
+
+  /* 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_INIT(pScreen, &rrNewShape, NullBox, 0);
+  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("winReshape - CreateRectRgn() failed\n");
+	    }
+
+	  /* Merge the Windows region with the accumulated region */
+	  if (CombineRgn (hRgn, hRgn, hRgnRect, RGN_OR) == ERROR)
+	    {
+	      ErrorF("winReshape - 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