Checked in the following released items:

xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz

1 files changed, 622 insertions, 0 deletions

diff --git a/xorg-server/hw/xwin/winclipboardwndproc.c b/xorg-server/hw/xwin/winclipboardwndproc.c
new file mode 100644
index 000000000..802a74035
--- /dev/null
+++ b/xorg-server/hw/xwin/winclipboardwndproc.c
@@ -0,0 +1,622 @@
+/*
+ *Copyright (C) 2003-2004 Harold L Hunt II 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 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 Harold L Hunt II
+ *shall not be used in advertising or otherwise to promote the sale, use
+ *or other dealings in this Software without prior written authorization
+ *from Harold L Hunt II.
+ *
+ * Authors:	Harold L Hunt II
+ */
+
+#ifdef HAVE_XWIN_CONFIG_H
+#include <xwin-config.h>
+#endif
+#include <sys/types.h>
+#include <sys/time.h>
+#include "winclipboard.h"
+
+extern void		winFixClipboardChain();
+
+
+/*
+ * Constants
+ */
+
+#define WIN_CLIPBOARD_PROP	"cyg_clipboard_prop"
+#define WIN_POLL_TIMEOUT	1
+
+
+/*
+ * References to external symbols
+ */
+
+extern Bool		g_fUseUnicode;
+extern Bool		g_fUnicodeSupport;
+extern void		*g_pClipboardDisplay;
+extern Window		g_iClipboardWindow;
+extern Atom		g_atomLastOwnedSelection;
+
+/* BPS - g_hwndClipboard needed for X app->Windows paste fix */
+extern HWND		g_hwndClipboard;
+
+/* 
+ * Local function prototypes
+ */
+
+static Bool
+winProcessXEventsTimeout (HWND hwnd, int iWindow, Display *pDisplay,
+			  Bool fUseUnicode, int iTimeoutSec);
+
+
+/*
+ * Process X events up to specified timeout
+ */
+
+static int
+winProcessXEventsTimeout (HWND hwnd, int iWindow, Display *pDisplay,
+			  Bool fUseUnicode, int iTimeoutSec)
+{
+  int			iConnNumber;
+  struct timeval	tv;
+  int			iReturn;
+  DWORD			dwStopTime = (GetTickCount () / 1000) + iTimeoutSec;
+
+  /* We need to ensure that all pending events are processed */
+  XSync (pDisplay, FALSE);
+
+  /* Get our connection number */
+  iConnNumber = ConnectionNumber (pDisplay);
+
+  /* Loop for X events */
+  while (1)
+    {
+      fd_set		fdsRead;
+
+      /* Setup the file descriptor set */
+      FD_ZERO (&fdsRead);
+      FD_SET (iConnNumber, &fdsRead);
+
+      /* Adjust timeout */
+      tv.tv_sec = dwStopTime - (GetTickCount () / 1000);
+      tv.tv_usec = 0;
+
+      /* Break out if no time left */
+      if (tv.tv_sec < 0)
+	return WIN_XEVENTS_SUCCESS;
+
+      /* Wait for a Windows event or an X event */
+      iReturn = select (iConnNumber + 1,/* Highest fds number */
+			&fdsRead,	/* Read mask */
+			NULL,		/* No write mask */
+			NULL,		/* No exception mask */
+			&tv);		/* No timeout */
+      if (iReturn <= 0)
+	{
+	  ErrorF ("winProcessXEventsTimeout - Call to select () failed: %d.  "
+		  "Bailing.\n", iReturn);
+	  break;
+	}
+
+      /* Branch on which descriptor became active */
+      if (FD_ISSET (iConnNumber, &fdsRead))
+	{
+	  /* Process X events */
+	  /* Exit when we see that server is shutting down */
+	  iReturn = winClipboardFlushXEvents (hwnd,
+					      iWindow,
+					      pDisplay,
+					      fUseUnicode);
+	  if (WIN_XEVENTS_NOTIFY == iReturn
+	      || WIN_XEVENTS_CONVERT == iReturn)
+	    {
+	      /* Bail out if convert or notify processed */
+	      return iReturn;
+	    }
+	}
+    }
+
+  return WIN_XEVENTS_SUCCESS;
+}
+
+
+/*
+ * Process a given Windows message
+ */
+
+/* BPS - Define our own message, which we'll post to ourselves to facilitate
+ * resetting the delayed rendering mechanism after each paste from X app to
+ * Windows app. TODO - Perhaps move to win.h with the other WM_USER messages.
+ */
+#define WM_USER_PASTE_COMPLETE		(WM_USER + 1003)
+
+LRESULT CALLBACK
+winClipboardWindowProc (HWND hwnd, UINT message, 
+			WPARAM wParam, LPARAM lParam)
+{
+  static HWND		s_hwndNextViewer;
+  static Bool		s_fCBCInitialized;
+
+  /* Branch on message type */
+  switch (message)
+    {
+    case WM_DESTROY:
+      {
+	winDebug ("winClipboardWindowProc - WM_DESTROY\n");
+
+	/* Remove ourselves from the clipboard chain */
+	ChangeClipboardChain (hwnd, s_hwndNextViewer);
+	
+	s_hwndNextViewer = NULL;
+
+	PostQuitMessage (0);
+      }
+      return 0;
+
+
+    case WM_CREATE:
+      {
+	HWND first, next;
+	DWORD error_code = 0;
+	winDebug ("winClipboardWindowProc - WM_CREATE\n");
+	
+	first = GetClipboardViewer();			/* Get handle to first viewer in chain. */
+	if (first == hwnd) return 0;			/* Make sure it's not us! */
+	/* Add ourselves to the clipboard viewer chain */
+	next = SetClipboardViewer (hwnd);
+	error_code = GetLastError();
+	if (SUCCEEDED(error_code) && (next == first))	/* SetClipboardViewer must have succeeded, and the handle */
+		s_hwndNextViewer = next;		/* it returned must have been the first window in the chain */
+	else
+		s_fCBCInitialized = FALSE;
+      }
+      return 0;
+
+
+    case WM_CHANGECBCHAIN:
+      {
+	winDebug ("winClipboardWindowProc - WM_CHANGECBCHAIN: wParam(%x) "
+		  "lParam(%x) s_hwndNextViewer(%x)\n", 
+		  wParam, lParam, s_hwndNextViewer);
+
+	if ((HWND) wParam == s_hwndNextViewer)
+	  {
+	    s_hwndNextViewer = (HWND) lParam;
+	    if (s_hwndNextViewer == hwnd)
+	      {
+		s_hwndNextViewer = NULL;
+		winErrorFVerb (1, "winClipboardWindowProc - WM_CHANGECBCHAIN: "
+			       "attempted to set next window to ourselves.");
+	      }
+	  }
+	else if (s_hwndNextViewer)
+	  SendMessage (s_hwndNextViewer, message,
+		       wParam, lParam);
+
+      }
+      winDebug ("winClipboardWindowProc - WM_CHANGECBCHAIN: Exit\n");
+      return 0;
+
+    case WM_WM_REINIT:
+      {
+        /* Ensure that we're in the clipboard chain.  Some apps,
+         * WinXP's remote desktop for one, don't play nice with the
+         * chain.  This message is called whenever we receive a
+         * WM_ACTIVATEAPP message to ensure that we continue to
+         * receive clipboard messages.
+	 *
+	 * It might be possible to detect if we're still in the chain
+	 * by calling SendMessage (GetClipboardViewer(),
+	 * WM_DRAWCLIPBOARD, 0, 0); and then seeing if we get the
+	 * WM_DRAWCLIPBOARD message.  That, however, might be more
+	 * expensive than just putting ourselves back into the chain.
+	 */
+
+	HWND first, next;
+	DWORD error_code = 0;
+	winDebug ("winClipboardWindowProc - WM_WM_REINIT: Enter\n");
+
+	first = GetClipboardViewer();			/* Get handle to first viewer in chain. */
+	if (first == hwnd) return 0;			/* Make sure it's not us! */
+	winDebug ("  WM_WM_REINIT: Replacing us(%x) with %x at head "
+		  "of chain\n", hwnd, s_hwndNextViewer);
+	s_fCBCInitialized = FALSE;
+	ChangeClipboardChain (hwnd, s_hwndNextViewer);
+	s_hwndNextViewer = NULL;
+	s_fCBCInitialized = FALSE;
+	winDebug ("  WM_WM_REINIT: Putting us back at head of chain.\n");
+	first = GetClipboardViewer();			/* Get handle to first viewer in chain. */
+	if (first == hwnd) return 0;			/* Make sure it's not us! */
+	next = SetClipboardViewer (hwnd);
+	error_code = GetLastError();
+	if (SUCCEEDED(error_code) && (next == first))	/* SetClipboardViewer must have succeeded, and the handle */
+		s_hwndNextViewer = next;		/* it returned must have been the first window in the chain */
+	else
+		s_fCBCInitialized = FALSE;
+      }
+      winDebug ("winClipboardWindowProc - WM_WM_REINIT: Exit\n");
+      return 0;
+
+
+    case WM_DRAWCLIPBOARD:
+      {
+	static Bool s_fProcessingDrawClipboard = FALSE;
+	Display	*pDisplay = g_pClipboardDisplay;
+	Window	iWindow = g_iClipboardWindow;
+	int	iReturn;
+
+	winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD: Enter\n");
+
+	/*
+	 * We've occasionally seen a loop in the clipboard chain.
+	 * Try and fix it on the first hint of recursion.
+	 */
+	if (! s_fProcessingDrawClipboard) 
+	  {
+	    s_fProcessingDrawClipboard = TRUE;
+	  }
+	else
+	  {
+	    /* Attempt to break the nesting by getting out of the chain, twice?, and then fix and bail */
+	    s_fCBCInitialized = FALSE;
+	    ChangeClipboardChain (hwnd, s_hwndNextViewer);
+	    winFixClipboardChain();
+	    winErrorFVerb (1, "winClipboardWindowProc - WM_DRAWCLIPBOARD - "
+			   "Nested calls detected.  Re-initing.\n");
+	    winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD: Exit\n");
+	    s_fProcessingDrawClipboard = FALSE;
+	    return 0;
+	  }
+
+	/* Bail on first message */
+	if (!s_fCBCInitialized)
+	  {
+	    s_fCBCInitialized = TRUE;
+	    s_fProcessingDrawClipboard = FALSE;
+	    winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD: Exit\n");
+	    return 0;
+	  }
+
+	/*
+	 * NOTE: We cannot bail out when NULL == GetClipboardOwner ()
+	 * because some applications deal with the clipboard in a manner
+	 * that causes the clipboard owner to be NULL when they are in
+	 * fact taking ownership.  One example of this is the Win32
+	 * native compile of emacs.
+	 */
+	
+	/* Bail when we still own the clipboard */
+	if (hwnd == GetClipboardOwner ())
+	  {
+
+	    winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
+		    "We own the clipboard, returning.\n");
+	    winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD: Exit\n");
+	    s_fProcessingDrawClipboard = FALSE;
+	    if (s_hwndNextViewer)
+		SendMessage (s_hwndNextViewer, message, wParam, lParam);
+	    return 0;
+	  }
+
+	/*
+	 * Do not take ownership of the X11 selections when something
+	 * other than CF_TEXT or CF_UNICODETEXT has been copied
+	 * into the Win32 clipboard.
+	 */
+	if (!IsClipboardFormatAvailable (CF_TEXT)
+	    && !IsClipboardFormatAvailable (CF_UNICODETEXT))
+	  {
+
+	    winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
+		    "Clipboard does not contain CF_TEXT nor "
+		    "CF_UNICODETEXT.\n");
+
+	    /*
+	     * We need to make sure that the X Server has processed
+	     * previous XSetSelectionOwner messages.
+	     */
+	    XSync (pDisplay, FALSE);
+	    
+	    /* Release PRIMARY selection if owned */
+	    iReturn = XGetSelectionOwner (pDisplay, XA_PRIMARY);
+	    if (iReturn == g_iClipboardWindow)
+	      {
+		winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
+			"PRIMARY selection is owned by us.\n");
+		XSetSelectionOwner (pDisplay,
+				    XA_PRIMARY,
+				    None,
+				    CurrentTime);
+	      }
+	    else if (BadWindow == iReturn || BadAtom == iReturn)
+	      winErrorFVerb (1, "winClipboardWindowProc - WM_DRAWCLIPBOARD - "
+		      "XGetSelection failed for PRIMARY: %d\n", iReturn);
+
+	    /* Release CLIPBOARD selection if owned */
+	    iReturn = XGetSelectionOwner (pDisplay,
+					  XInternAtom (pDisplay,
+						       "CLIPBOARD",
+						       False));
+	    if (iReturn == g_iClipboardWindow)
+	      {
+		winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
+			"CLIPBOARD selection is owned by us.\n");
+		XSetSelectionOwner (pDisplay,
+				    XInternAtom (pDisplay,
+						 "CLIPBOARD",
+						 False),
+				    None,
+				    CurrentTime);
+	      }
+	    else if (BadWindow == iReturn || BadAtom == iReturn)
+	      winErrorFVerb (1, "winClipboardWindowProc - WM_DRAWCLIPBOARD - "
+		      "XGetSelection failed for CLIPBOARD: %d\n", iReturn);
+
+	    winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD: Exit\n");
+	    s_fProcessingDrawClipboard = FALSE;
+	    if (s_hwndNextViewer)
+		SendMessage (s_hwndNextViewer, message, wParam, lParam);
+	    return 0;
+	  }
+
+	/* Reassert ownership of PRIMARY */	  
+	iReturn = XSetSelectionOwner (pDisplay,
+				      XA_PRIMARY,
+				      iWindow,
+				      CurrentTime);
+	if (iReturn == BadAtom || iReturn == BadWindow)
+	  {
+	    winErrorFVerb (1, "winClipboardWindowProc - WM_DRAWCLIPBOARD - "
+		    "Could not reassert ownership of PRIMARY\n");
+	  }
+	else
+	  {
+	    winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
+		    "Reasserted ownership of PRIMARY\n");
+	  }
+	
+	/* Reassert ownership of the CLIPBOARD */	  
+	iReturn = XSetSelectionOwner (pDisplay,
+				      XInternAtom (pDisplay,
+						   "CLIPBOARD",
+						   False),
+				      iWindow,
+				      CurrentTime);
+	if (iReturn == BadAtom || iReturn == BadWindow)
+	  {
+	    winErrorFVerb (1, "winClipboardWindowProc - WM_DRAWCLIPBOARD - "
+		    "Could not reassert ownership of CLIPBOARD\n");
+	  }
+	else
+	  {
+	    winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
+		    "Reasserted ownership of CLIPBOARD\n");
+	  }
+	
+	/* Flush the pending SetSelectionOwner event now */
+	XFlush (pDisplay);
+
+	s_fProcessingDrawClipboard = FALSE;
+      }
+      winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD: Exit\n");
+      /* Pass the message on the next window in the clipboard viewer chain */
+      if (s_hwndNextViewer)
+	SendMessage (s_hwndNextViewer, message, wParam, lParam);
+      return 0;
+
+
+    case WM_DESTROYCLIPBOARD:
+      /*
+       * NOTE: Intentionally do nothing.
+       * Changes in the Win32 clipboard are handled by WM_DRAWCLIPBOARD
+       * above.  We only process this message to conform to the specs
+       * for delayed clipboard rendering in Win32.  You might think
+       * that we need to release ownership of the X11 selections, but
+       * we do not, because a WM_DRAWCLIPBOARD message will closely
+       * follow this message and reassert ownership of the X11
+       * selections, handling the issue for us.
+       */
+      return 0;
+
+
+    case WM_RENDERFORMAT:
+    case WM_RENDERALLFORMATS:
+      {
+	int	iReturn;
+	Display *pDisplay = g_pClipboardDisplay;
+	Window	iWindow = g_iClipboardWindow;
+	Bool	fConvertToUnicode;
+
+	winDebug ("winClipboardWindowProc - WM_RENDER*FORMAT - Hello.\n");
+
+	/* Flag whether to convert to Unicode or not */
+	if (message == WM_RENDERALLFORMATS)
+	  fConvertToUnicode = FALSE;
+	else
+	  fConvertToUnicode = g_fUnicodeSupport && (CF_UNICODETEXT == wParam);
+
+	/* Request the selection contents */
+	iReturn = XConvertSelection (pDisplay,
+				     g_atomLastOwnedSelection,
+				     XInternAtom (pDisplay,
+						  "COMPOUND_TEXT", False),
+				     XInternAtom (pDisplay,
+						  "CYGX_CUT_BUFFER", False),
+				     iWindow,
+				     CurrentTime);
+	if (iReturn == BadAtom || iReturn == BadWindow)
+	  {
+	    winErrorFVerb (1, "winClipboardWindowProc - WM_RENDER*FORMAT - "
+		    "XConvertSelection () failed\n");
+	    break;
+	  }
+
+	/* Special handling for WM_RENDERALLFORMATS */
+	if (message == WM_RENDERALLFORMATS)
+	  {
+	    /* We must open and empty the clipboard */
+
+	    /* Close clipboard if we have it open already */
+	    if (GetOpenClipboardWindow () == hwnd)
+	      {
+		CloseClipboard ();
+	      }	    
+
+	    if (!OpenClipboard (hwnd))
+	      {
+		winErrorFVerb (1, "winClipboardWindowProc - WM_RENDER*FORMATS - "
+			"OpenClipboard () failed: %08x\n",
+			GetLastError ());
+		break;
+	      }
+	    
+	    if (!EmptyClipboard ())
+	      {
+		winErrorFVerb (1, "winClipboardWindowProc - WM_RENDER*FORMATS - "
+			"EmptyClipboard () failed: %08x\n",
+		      GetLastError ());
+		break;
+	      }
+	  }
+
+	/* Process the SelectionNotify event */
+	iReturn = winProcessXEventsTimeout (hwnd,
+					    iWindow,
+					    pDisplay,
+					    fConvertToUnicode,
+					    WIN_POLL_TIMEOUT);
+	if (WIN_XEVENTS_CONVERT == iReturn)
+	  {
+	    /*
+	     * The selection was offered for conversion first, so we have
+	     * to process a second SelectionNotify event to get the actual
+	     * data in the selection.
+	     */
+	    iReturn = winProcessXEventsTimeout (hwnd,
+						iWindow,
+						pDisplay,
+						fConvertToUnicode,
+						WIN_POLL_TIMEOUT);
+	  }
+	
+	/*
+	 * The last of the up-to two calls to winProcessXEventsTimeout
+	 * from above had better have seen a notify event, or else we
+	 * are dealing with a buggy or old X11 app.  In these cases we
+	 * have to paste some fake data to the Win32 clipboard to
+	 * satisfy the requirement that we write something to it.
+	 */
+	if (WIN_XEVENTS_NOTIFY != iReturn)
+	  {
+	    /* Paste no data, to satisfy required call to SetClipboardData */
+	    if (g_fUnicodeSupport)
+	      SetClipboardData (CF_UNICODETEXT, NULL);
+	    SetClipboardData (CF_TEXT, NULL);
+	  }
+
+	/* BPS - Post ourselves a user message whose handler will reset the
+	 * delayed rendering mechanism after the paste is complete. This is
+	 * necessary because calling SetClipboardData() with a NULL argument
+	 * here will cause the data we just put on the clipboard to be lost!
+	 */
+	PostMessage(g_hwndClipboard, WM_USER_PASTE_COMPLETE, 0, 0);
+
+	/* Special handling for WM_RENDERALLFORMATS */
+	if (message == WM_RENDERALLFORMATS)
+	  {
+	    /* We must close the clipboard */
+	    
+	    if (!CloseClipboard ())
+	      {
+	      winErrorFVerb (1, "winClipboardWindowProc - WM_RENDERALLFORMATS - "
+		      "CloseClipboard () failed: %08x\n",
+		      GetLastError ());
+	      break;
+	      }
+	  }
+
+	winDebug ("winClipboardWindowProc - WM_RENDER*FORMAT - Returning.\n");
+	return 0;
+      }
+    /* BPS - This WM_USER message is posted by us. It gives us the opportunity
+     * to reset the delayed rendering mechanism after each and every paste
+     * from an X app to a Windows app. Without such a mechanism, subsequent
+     * changes of selection in the X app owning the selection are not
+     * reflected in pastes into Windows apps, since Windows won't send us the
+     * WM_RENDERFORMAT message unless someone has set changed data (or NULL)
+     * on the clipboard. */
+    case WM_USER_PASTE_COMPLETE:
+      {
+	if (hwnd != GetClipboardOwner ())
+	  /* In case we've lost the selection since posting the message */
+	  return 0;
+	winDebug ("winClipboardWindowProc - WM_USER_PASTE_COMPLETE\n");
+
+	/* Set up for another delayed rendering callback */
+	OpenClipboard (g_hwndClipboard);
+
+	/* Take ownership of the Windows clipboard */
+	EmptyClipboard ();
+
+	/* Advertise Unicode if we support it */
+	if (g_fUnicodeSupport)
+	  SetClipboardData (CF_UNICODETEXT, NULL);
+
+	/* Always advertise regular text */
+	SetClipboardData (CF_TEXT, NULL);
+
+	/* Release the clipboard */
+	CloseClipboard ();
+      }
+      return 0;
+    }
+
+  /* Let Windows perform default processing for unhandled messages */
+  return DefWindowProc (hwnd, message, wParam, lParam);
+}
+
+
+/*
+ * Process any pending Windows messages
+ */
+
+BOOL
+winClipboardFlushWindowsMessageQueue (HWND hwnd)
+{
+  MSG			msg;
+
+  /* Flush the messaging window queue */
+  /* NOTE: Do not pass the hwnd of our messaging window to PeekMessage,
+   * as this will filter out many non-window-specific messages that
+   * are sent to our thread, such as WM_QUIT.
+   */
+  while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
+    {
+      /* Dispatch the message if not WM_QUIT */
+      if (msg.message == WM_QUIT)
+	return FALSE;
+      else
+	DispatchMessage (&msg);
+    }
+  
+  return TRUE;
+}