1 files changed, 375 insertions, 373 deletions
diff --git a/xorg-server/hw/xwin/winclipboardwrappers.c b/xorg-server/hw/xwin/winclipboardwrappers.c
index cbf9a8ed2..3743b9edb 100644
--- a/xorg-server/hw/xwin/winclipboardwrappers.c
+++ b/xorg-server/hw/xwin/winclipboardwrappers.c
@@ -1,373 +1,375 @@
-/*
- *Copyright (C) 2003-2004 Harold L Hunt II All Rights Reserved.
- *Copyright (C) Colin Harrison 2005-2008
- *
- *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 HAROLD L HUNT II 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 copyright holder(s)
- *and author(s) 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 copyright holder(s) and author(s).
- *
- * Authors:	Harold L Hunt II
- *              Colin Harrison
- */
-
-#ifdef HAVE_XWIN_CONFIG_H
-#include <xwin-config.h>
-#endif
-#include "win.h"
-#include "dixstruct.h"
-#include <X11/Xatom.h>
-
-
-/*
- * Constants
- */
-
-#define CLIP_NUM_SELECTIONS		2
-#define CLIP_OWN_PRIMARY		0
-#define CLIP_OWN_CLIPBOARD		1
-
-
-/*
- * Local function prototypes
- */
-
-int winProcEstablishConnection(ClientPtr /* client */);
-int winProcSetSelectionOwner(ClientPtr /* client */);
-
-
-/*
- * References to external symbols
- */
-
-extern Bool		g_fUnicodeSupport;
-extern int		g_iNumScreens;
-extern unsigned int	g_uiAuthDataLen;
-extern char		*g_pAuthData;
-extern Bool		g_fXdmcpEnabled;
-extern Bool		g_fClipboardLaunched;
-extern Bool		g_fClipboardStarted;
-extern Bool		g_fClipboard;
-extern Window		g_iClipboardWindow;
-extern Atom		g_atomLastOwnedSelection;
-extern HWND		g_hwndClipboard;
-extern Bool		g_fClipboardPrimary;
-
-extern winDispatchProcPtr	winProcEstablishConnectionOrig;
-extern winDispatchProcPtr	winProcSetSelectionOwnerOrig;
-
-
-/*
- * Wrapper for internal EstablishConnection function.
- * Initializes internal clients that must not be started until
- * an external client has connected.
- */
-
-int
-winProcEstablishConnection (ClientPtr client)
-{
-  int			iReturn;
-  static int		s_iCallCount = 0;
-  static unsigned long	s_ulServerGeneration = 0;
-
-  #ifdef WINDBG
-  if (s_iCallCount == 0) winDebug ("winProcEstablishConnection - Hello\n");
-  #endif
-
-  /* Do nothing if clipboard is not enabled */
-  if (!g_fClipboard)
-    {
-      winDebug ("winProcEstablishConnection - Clipboard is not enabled, "
-	      "returning.\n");
-      
-      /* Unwrap the original function, call it, and return */
-      InitialVector[2] = winProcEstablishConnectionOrig;
-      iReturn = (*winProcEstablishConnectionOrig) (client);
-      winProcEstablishConnectionOrig = NULL;
-      return iReturn;
-    }
-
-  /* Watch for server reset */
-  if (s_ulServerGeneration != serverGeneration)
-    {
-      /* Save new generation number */
-      s_ulServerGeneration = serverGeneration;
-
-      /* Reset call count */
-      s_iCallCount = 0;
-    }
-
-  /* Increment call count */
-  ++s_iCallCount;
-
-  /*
-   * This procedure is only used for initialization.
-   * We can unwrap the original procedure at this point
-   * so that this function is no longer called until the
-   * server resets and the function is wrapped again.
-   */
-  InitialVector[2] = winProcEstablishConnectionOrig;
-
-  /*
-   * Call original function and bail if it fails.
-   * NOTE: We must do this first, since we need XdmcpOpenDisplay
-   * to be called before we initialize our clipboard client.
-   */
-  iReturn = (*winProcEstablishConnectionOrig) (client);
-  if (iReturn != 0)
-    {
-      ErrorF ("winProcEstablishConnection - ProcEstablishConnection "
-	      "failed, bailing.\n");
-      return iReturn;
-    }
-
-  /* Clear original function pointer */
-  winProcEstablishConnectionOrig = NULL;
-
-  /* If the clipboard client has already been started, abort */
-  if (g_fClipboardLaunched)
-    {
-      winDebug ("winProcEstablishConnection - Clipboard client already "
-	      "launched, returning.\n");
-      return iReturn;
-    }
-
-  /* Startup the clipboard client if clipboard mode is being used */
-  if (g_fClipboard)
-    {
-      /*
-       * NOTE: The clipboard client is started here for a reason:
-       * 1) Assume you are using XDMCP (e.g. XWin -query %hostname%)
-       * 2) If the clipboard client attaches during X Server startup,
-       *    then it becomes the "magic client" that causes the X Server
-       *    to reset if it exits.
-       * 3) XDMCP calls KillAllClients when it starts up.
-       * 4) The clipboard client is a client, so it is killed.
-       * 5) The clipboard client is the "magic client", so the X Server
-       *    resets itself.
-       * 6) This repeats ad infinitum.
-       * 7) We avoid this by waiting until at least one client (could
-       *    be XDM, could be another client) connects, which makes it
-       *    almost certain that the clipboard client will not connect
-       *    until after XDM when using XDMCP.
-       */
-      
-      /* Create the clipboard client thread */
-      if (!winInitClipboard ())
-	{
-	  ErrorF ("winProcEstablishConnection - winClipboardInit "
-		  "failed.\n");
-	  return iReturn;
-	}
-      
-      winDebug ("winProcEstablishConnection - winInitClipboard returned.\n");
-    }
-  
-  /* Flag that clipboard client has been launched */
-  g_fClipboardLaunched = TRUE;
-
-  return iReturn;
-}
-
-
-/*
- * Wrapper for internal SetSelectionOwner function.
- * Grabs ownership of Windows clipboard when X11 clipboard owner changes.
- */
-int
-winProcSetSelectionOwner (ClientPtr client)
-{
-  int			i;
-  DrawablePtr		pDrawable;
-  WindowPtr		pWindow = None;
-  static Window		s_iOwners[CLIP_NUM_SELECTIONS] = {None};
-  static unsigned long	s_ulServerGeneration = 0;
-  REQUEST(xSetSelectionOwnerReq);
-  
-  REQUEST_SIZE_MATCH(xSetSelectionOwnerReq);
-
-  winDebug ("winProcSetSelectionOwner - Hello.\n");
-
-  /* Watch for server reset */
-  if (s_ulServerGeneration != serverGeneration)
-    {
-      /* Save new generation number */
-      s_ulServerGeneration = serverGeneration;
-                  
-      /* Initialize static variables */
-      for (i = 0; i < CLIP_NUM_SELECTIONS; ++i)
-	s_iOwners[i] = None;
-    }
-
-  /* Abort if clipboard not completely initialized yet */
-  if (!g_fClipboardStarted)
-    {
-        winDebug ("winProcSetSelectionOwner - Clipboard not yet started, "
-	        "aborting.\n");
-        goto winProcSetSelectionOwner_Done;
-    }
-  
-  /* Grab window if we have one */
-  if (None != stuff->window)
-    {
-      /* Grab the Window from the request */
-      int rc = dixLookupWindow(&pWindow, stuff->window, client, DixReadAccess);
-      if (rc != Success) {
-	  ErrorF ("winProcSetSelectionOwner - Found BadWindow, aborting.\n");
-	  goto winProcSetSelectionOwner_Done;
-      }
-    }
-
-  /* Now we either have a valid window or None */
-
-  /* Save selection owners for monitored selections, ignore other selections */
-  if (XA_PRIMARY == stuff->selection && g_fClipboardPrimary)
-    {
-      /* Look for owned -> not owned transition */
-      if (None == stuff->window
-	  && None != s_iOwners[CLIP_OWN_PRIMARY])
-	{
-	  winDebug ("winProcSetSelectionOwner - PRIMARY - Going from "
-		    "owned to not owned.\n");
-
-                  /* Adjust last owned selection */
-	  if (None != s_iOwners[CLIP_OWN_CLIPBOARD])
-	    g_atomLastOwnedSelection = MakeAtom ("CLIPBOARD", 9, TRUE);
-	  else
-	    g_atomLastOwnedSelection = None;
-	}
-
-      /* Save new selection owner or None */
-      s_iOwners[CLIP_OWN_PRIMARY] = stuff->window;
-
-      winDebug ("winProcSetSelectionOwner - PRIMARY - Now owned by: 0x%x (clipboard is 0x%x)\n",
-	        stuff->window,g_iClipboardWindow);
-    }
-  else if (MakeAtom ("CLIPBOARD", 9, TRUE) == stuff->selection)
-    {
-      /* Look for owned -> not owned transition */
-      if (None == stuff->window
-	  && None != s_iOwners[CLIP_OWN_CLIPBOARD])
-	{
-	  winDebug ("winProcSetSelectionOwner - CLIPBOARD - Going from "
-		  "owned to not owned.\n");
-
-	  /* Adjust last owned selection */
-	  if ((None != s_iOwners[CLIP_OWN_PRIMARY]) && g_fClipboardPrimary)
-	    g_atomLastOwnedSelection = XA_PRIMARY;
-	  else
-	    g_atomLastOwnedSelection = None;
-	}
-      
-      /* Save new selection owner or None */
-      s_iOwners[CLIP_OWN_CLIPBOARD] = stuff->window;
-
-      winDebug ("winProcSetSelectionOwner - CLIPBOARD - Now owned by: 0x%x, clipboard is 0x%x\n",
-	      stuff->window,g_iClipboardWindow);
-    }
-  else
-    goto winProcSetSelectionOwner_Done;
-
-  /*
-   * At this point, if one of the selections is still owned by the 
-   * clipboard manager then it should be marked as unowned since
-   * we will be taking ownership of the Win32 clipboard.
-   */
-  if (g_iClipboardWindow == s_iOwners[CLIP_OWN_PRIMARY])
-    s_iOwners[CLIP_OWN_PRIMARY] = None;
-  if (g_iClipboardWindow == s_iOwners[CLIP_OWN_CLIPBOARD])
-    s_iOwners[CLIP_OWN_CLIPBOARD] = None;
-
-  /* Abort if no window at this point */
-  if (None == stuff->window)
-    {
-      winDebug ("winProcSetSelectionOwner - No window, returning.\n");
-      goto winProcSetSelectionOwner_Done;
-    }
-
-  /* Abort if invalid selection */
-  if (!ValidAtom (stuff->selection))
-    {
-      winDebug ("winProcSetSelectionOwner - Found BadAtom, aborting.\n");
-      goto winProcSetSelectionOwner_Done;
-    }
-
-  /* Cast Window to Drawable */
-  pDrawable = (DrawablePtr) pWindow;
-  
-  /* Abort if clipboard manager is owning the selection */
-  if (pDrawable->id == g_iClipboardWindow)
-    {
-      winDebug ("winProcSetSelectionOwner - We changed ownership, "
-               "aborting.\n");
-      goto winProcSetSelectionOwner_Done;
-    }
-
-  /* Abort if root window is taking ownership */
-  if (pDrawable->id == 0)
-    {
-      winDebug ("winProcSetSelectionOwner - Root window taking ownership, "
-	      "aborting\n");
-      goto winProcSetSelectionOwner_Done;
-    }
-
-  /* Access the Windows clipboard */
-  if (!OpenClipboard (g_hwndClipboard))
-    {
-      ErrorF ("winProcSetSelectionOwner - OpenClipboard () failed: %08x, hwnd: %08x\n",
-	      (int) GetLastError (),g_hwndClipboard);
-      goto winProcSetSelectionOwner_Done;
-    }
-
-  /* Take ownership of the Windows clipboard */
-  if (!EmptyClipboard ())
-    {
-      ErrorF ("winProcSetSelectionOwner - EmptyClipboard () failed: %08x\n",
-	      (int) GetLastError ());
-      CloseClipboard ();
-      goto winProcSetSelectionOwner_Done;
-    }
-
-  winDebug("winProcSetSelectionOwner - SetClipboardData NULL\n");
-
-  /* Advertise Unicode if we support it */
-  if (g_fUnicodeSupport)
-    SetClipboardData (CF_UNICODETEXT, NULL);
-
-  /* Always advertise regular text */
-  SetClipboardData (CF_TEXT, NULL);
-
-  /* Save handle to last owned selection */
-  g_atomLastOwnedSelection = stuff->selection;
-
-  /* Release the clipboard */
-  if (!CloseClipboard ())
-    {
-      ErrorF ("winProcSetSelectionOwner - CloseClipboard () failed: "
-	      "%08x\n",
-	      (int) GetLastError ());
-      goto winProcSetSelectionOwner_Done;
-    }
-
-winProcSetSelectionOwner_Done:
-  return (*winProcSetSelectionOwnerOrig) (client);
-}
+/*
+ *Copyright (C) 2003-2004 Harold L Hunt II All Rights Reserved.
+ *Copyright (C) Colin Harrison 2005-2008
+ *
+ *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 HAROLD L HUNT II 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 copyright holder(s)
+ *and author(s) 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 copyright holder(s) and author(s).
+ *
+ * Authors:	Harold L Hunt II
+ *              Colin Harrison
+ */
+
+#ifdef HAVE_XWIN_CONFIG_H
+#include <xwin-config.h>
+#endif
+#include "win.h"
+#include "dixstruct.h"
+#include <X11/Xatom.h>
+
+
+/*
+ * Constants
+ */
+
+#define CLIP_NUM_SELECTIONS		2
+#define CLIP_OWN_PRIMARY		0
+#define CLIP_OWN_CLIPBOARD		1
+
+
+/*
+ * Local function prototypes
+ */
+
+int winProcEstablishConnection(ClientPtr /* client */);
+int winProcSetSelectionOwner(ClientPtr /* client */);
+DISPATCH_PROC(winProcEstablishConnection);
+DISPATCH_PROC(winProcSetSelectionOwner);
+
+
+/*
+ * References to external symbols
+ */
+
+extern Bool		g_fUnicodeSupport;
+extern int		g_iNumScreens;
+extern unsigned int	g_uiAuthDataLen;
+extern char		*g_pAuthData;
+extern Bool		g_fXdmcpEnabled;
+extern Bool		g_fClipboardLaunched;
+extern Bool		g_fClipboardStarted;
+extern Bool		g_fClipboard;
+extern Window		g_iClipboardWindow;
+extern Atom		g_atomLastOwnedSelection;
+extern HWND		g_hwndClipboard;
+extern Bool		g_fClipboardPrimary;
+
+extern winDispatchProcPtr	winProcEstablishConnectionOrig;
+extern winDispatchProcPtr	winProcSetSelectionOwnerOrig;
+
+
+/*
+ * Wrapper for internal EstablishConnection function.
+ * Initializes internal clients that must not be started until
+ * an external client has connected.
+ */
+
+int
+winProcEstablishConnection (ClientPtr client)
+{
+  int			iReturn;
+  static int		s_iCallCount = 0;
+  static unsigned long	s_ulServerGeneration = 0;
+
+  #ifdef WINDBG
+  if (s_iCallCount == 0) winDebug ("winProcEstablishConnection - Hello\n");
+  #endif
+
+  /* Do nothing if clipboard is not enabled */
+  if (!g_fClipboard)
+    {
+      winDebug ("winProcEstablishConnection - Clipboard is not enabled, "
+	      "returning.\n");
+      
+      /* Unwrap the original function, call it, and return */
+      InitialVector[2] = winProcEstablishConnectionOrig;
+      iReturn = (*winProcEstablishConnectionOrig) (client);
+      winProcEstablishConnectionOrig = NULL;
+      return iReturn;
+    }
+
+  /* Watch for server reset */
+  if (s_ulServerGeneration != serverGeneration)
+    {
+      /* Save new generation number */
+      s_ulServerGeneration = serverGeneration;
+
+      /* Reset call count */
+      s_iCallCount = 0;
+    }
+
+  /* Increment call count */
+  ++s_iCallCount;
+
+  /*
+   * This procedure is only used for initialization.
+   * We can unwrap the original procedure at this point
+   * so that this function is no longer called until the
+   * server resets and the function is wrapped again.
+   */
+  InitialVector[2] = winProcEstablishConnectionOrig;
+
+  /*
+   * Call original function and bail if it fails.
+   * NOTE: We must do this first, since we need XdmcpOpenDisplay
+   * to be called before we initialize our clipboard client.
+   */
+  iReturn = (*winProcEstablishConnectionOrig) (client);
+  if (iReturn != 0)
+    {
+      ErrorF ("winProcEstablishConnection - ProcEstablishConnection "
+	      "failed, bailing.\n");
+      return iReturn;
+    }
+
+  /* Clear original function pointer */
+  winProcEstablishConnectionOrig = NULL;
+
+  /* If the clipboard client has already been started, abort */
+  if (g_fClipboardLaunched)
+    {
+      winDebug ("winProcEstablishConnection - Clipboard client already "
+	      "launched, returning.\n");
+      return iReturn;
+    }
+
+  /* Startup the clipboard client if clipboard mode is being used */
+  if (g_fClipboard)
+    {
+      /*
+       * NOTE: The clipboard client is started here for a reason:
+       * 1) Assume you are using XDMCP (e.g. XWin -query %hostname%)
+       * 2) If the clipboard client attaches during X Server startup,
+       *    then it becomes the "magic client" that causes the X Server
+       *    to reset if it exits.
+       * 3) XDMCP calls KillAllClients when it starts up.
+       * 4) The clipboard client is a client, so it is killed.
+       * 5) The clipboard client is the "magic client", so the X Server
+       *    resets itself.
+       * 6) This repeats ad infinitum.
+       * 7) We avoid this by waiting until at least one client (could
+       *    be XDM, could be another client) connects, which makes it
+       *    almost certain that the clipboard client will not connect
+       *    until after XDM when using XDMCP.
+       */
+      
+      /* Create the clipboard client thread */
+      if (!winInitClipboard ())
+	{
+	  ErrorF ("winProcEstablishConnection - winClipboardInit "
+		  "failed.\n");
+	  return iReturn;
+	}
+      
+      winDebug ("winProcEstablishConnection - winInitClipboard returned.\n");
+    }
+  
+  /* Flag that clipboard client has been launched */
+  g_fClipboardLaunched = TRUE;
+
+  return iReturn;
+}
+
+
+/*
+ * Wrapper for internal SetSelectionOwner function.
+ * Grabs ownership of Windows clipboard when X11 clipboard owner changes.
+ */
+int
+winProcSetSelectionOwner (ClientPtr client)
+{
+  int			i;
+  DrawablePtr		pDrawable;
+  WindowPtr		pWindow = None;
+  static Window		s_iOwners[CLIP_NUM_SELECTIONS] = {None};
+  static unsigned long	s_ulServerGeneration = 0;
+  REQUEST(xSetSelectionOwnerReq);
+  
+  REQUEST_SIZE_MATCH(xSetSelectionOwnerReq);
+
+  winDebug ("winProcSetSelectionOwner - Hello.\n");
+
+  /* Watch for server reset */
+  if (s_ulServerGeneration != serverGeneration)
+    {
+      /* Save new generation number */
+      s_ulServerGeneration = serverGeneration;
+                  
+      /* Initialize static variables */
+      for (i = 0; i < CLIP_NUM_SELECTIONS; ++i)
+	s_iOwners[i] = None;
+    }
+
+  /* Abort if clipboard not completely initialized yet */
+  if (!g_fClipboardStarted)
+    {
+        winDebug ("winProcSetSelectionOwner - Clipboard not yet started, "
+	        "aborting.\n");
+        goto winProcSetSelectionOwner_Done;
+    }
+  
+  /* Grab window if we have one */
+  if (None != stuff->window)
+    {
+      /* Grab the Window from the request */
+      int rc = dixLookupWindow(&pWindow, stuff->window, client, DixReadAccess);
+      if (rc != Success) {
+	  ErrorF ("winProcSetSelectionOwner - Found BadWindow, aborting.\n");
+	  goto winProcSetSelectionOwner_Done;
+      }
+    }
+
+  /* Now we either have a valid window or None */
+
+  /* Save selection owners for monitored selections, ignore other selections */
+  if (XA_PRIMARY == stuff->selection && g_fClipboardPrimary)
+    {
+      /* Look for owned -> not owned transition */
+      if (None == stuff->window
+	  && None != s_iOwners[CLIP_OWN_PRIMARY])
+	{
+	  winDebug ("winProcSetSelectionOwner - PRIMARY - Going from "
+		    "owned to not owned.\n");
+
+                  /* Adjust last owned selection */
+	  if (None != s_iOwners[CLIP_OWN_CLIPBOARD])
+	    g_atomLastOwnedSelection = MakeAtom ("CLIPBOARD", 9, TRUE);
+	  else
+	    g_atomLastOwnedSelection = None;
+	}
+
+      /* Save new selection owner or None */
+      s_iOwners[CLIP_OWN_PRIMARY] = stuff->window;
+
+      winDebug ("winProcSetSelectionOwner - PRIMARY - Now owned by: 0x%x (clipboard is 0x%x)\n",
+	        stuff->window,g_iClipboardWindow);
+    }
+  else if (MakeAtom ("CLIPBOARD", 9, TRUE) == stuff->selection)
+    {
+      /* Look for owned -> not owned transition */
+      if (None == stuff->window
+	  && None != s_iOwners[CLIP_OWN_CLIPBOARD])
+	{
+	  winDebug ("winProcSetSelectionOwner - CLIPBOARD - Going from "
+		  "owned to not owned.\n");
+
+	  /* Adjust last owned selection */
+	  if ((None != s_iOwners[CLIP_OWN_PRIMARY]) && g_fClipboardPrimary)
+	    g_atomLastOwnedSelection = XA_PRIMARY;
+	  else
+	    g_atomLastOwnedSelection = None;
+	}
+      
+      /* Save new selection owner or None */
+      s_iOwners[CLIP_OWN_CLIPBOARD] = stuff->window;
+
+      winDebug ("winProcSetSelectionOwner - CLIPBOARD - Now owned by: 0x%x, clipboard is 0x%x\n",
+	      stuff->window,g_iClipboardWindow);
+    }
+  else
+    goto winProcSetSelectionOwner_Done;
+
+  /*
+   * At this point, if one of the selections is still owned by the 
+   * clipboard manager then it should be marked as unowned since
+   * we will be taking ownership of the Win32 clipboard.
+   */
+  if (g_iClipboardWindow == s_iOwners[CLIP_OWN_PRIMARY])
+    s_iOwners[CLIP_OWN_PRIMARY] = None;
+  if (g_iClipboardWindow == s_iOwners[CLIP_OWN_CLIPBOARD])
+    s_iOwners[CLIP_OWN_CLIPBOARD] = None;
+
+  /* Abort if no window at this point */
+  if (None == stuff->window)
+    {
+      winDebug ("winProcSetSelectionOwner - No window, returning.\n");
+      goto winProcSetSelectionOwner_Done;
+    }
+
+  /* Abort if invalid selection */
+  if (!ValidAtom (stuff->selection))
+    {
+      winDebug ("winProcSetSelectionOwner - Found BadAtom, aborting.\n");
+      goto winProcSetSelectionOwner_Done;
+    }
+
+  /* Cast Window to Drawable */
+  pDrawable = (DrawablePtr) pWindow;
+  
+  /* Abort if clipboard manager is owning the selection */
+  if (pDrawable->id == g_iClipboardWindow)
+    {
+      winDebug ("winProcSetSelectionOwner - We changed ownership, "
+               "aborting.\n");
+      goto winProcSetSelectionOwner_Done;
+    }
+
+  /* Abort if root window is taking ownership */
+  if (pDrawable->id == 0)
+    {
+      winDebug ("winProcSetSelectionOwner - Root window taking ownership, "
+	      "aborting\n");
+      goto winProcSetSelectionOwner_Done;
+    }
+
+  /* Access the Windows clipboard */
+  if (!OpenClipboard (g_hwndClipboard))
+    {
+      ErrorF ("winProcSetSelectionOwner - OpenClipboard () failed: %08x, hwnd: %08x\n",
+	      (int) GetLastError (),g_hwndClipboard);
+      goto winProcSetSelectionOwner_Done;
+    }
+
+  /* Take ownership of the Windows clipboard */
+  if (!EmptyClipboard ())
+    {
+      ErrorF ("winProcSetSelectionOwner - EmptyClipboard () failed: %08x\n",
+	      (int) GetLastError ());
+      CloseClipboard ();
+      goto winProcSetSelectionOwner_Done;
+    }
+
+  winDebug("winProcSetSelectionOwner - SetClipboardData NULL\n");
+
+  /* Advertise Unicode if we support it */
+  if (g_fUnicodeSupport)
+    SetClipboardData (CF_UNICODETEXT, NULL);
+
+  /* Always advertise regular text */
+  SetClipboardData (CF_TEXT, NULL);
+
+  /* Save handle to last owned selection */
+  g_atomLastOwnedSelection = stuff->selection;
+
+  /* Release the clipboard */
+  if (!CloseClipboard ())
+    {
+      ErrorF ("winProcSetSelectionOwner - CloseClipboard () failed: "
+	      "%08x\n",
+	      (int) GetLastError ());
+      goto winProcSetSelectionOwner_Done;
+    }
+
+winProcSetSelectionOwner_Done:
+  return (*winProcSetSelectionOwnerOrig) (client);
+}