864 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			864 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  *Copyright (C) 2003-2004 Harold L Hunt II All Rights Reserved.
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|  *Copyright (C) Colin Harrison 2005-2008
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|  *
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|  *Permission is hereby granted, free of charge, to any person obtaining
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|  * a copy of this software and associated documentation files (the
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|  *"Software"), to deal in the Software without restriction, including
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|  *without limitation the rights to use, copy, modify, merge, publish,
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|  *distribute, sublicense, and/or sell copies of the Software, and to
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|  *permit persons to whom the Software is furnished to do so, subject to
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|  *the following conditions:
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|  *
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|  *The above copyright notice and this permission notice shall be
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|  *included in all copies or substantial portions of the Software.
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|  *
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|  *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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|  *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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|  *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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|  *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR
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|  *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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|  *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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|  *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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|  *
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|  *Except as contained in this notice, the name of the copyright holder(s)
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|  *and author(s) shall not be used in advertising or otherwise to promote
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|  *the sale, use or other dealings in this Software without prior written
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|  *authorization from the copyright holder(s) and author(s).
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|  *
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|  * Authors:	Harold L Hunt II
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|  *              Colin Harrison
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|  */
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| 
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| #ifdef HAVE_XWIN_CONFIG_H
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| #include <xwin-config.h>
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| #endif
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| 
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| /*
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|  * Including any server header might define the macro _XSERVER64 on 64 bit machines.
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|  * That macro must _NOT_ be defined for Xlib client code, otherwise bad things happen.
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|  * So let's undef that macro if necessary.
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|  */
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| #ifdef _XSERVER64
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| #undef _XSERVER64
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| #endif
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| 
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| #include <limits.h>
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| #include <wchar.h>
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| #include <X11/Xutil.h>
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| #include <X11/Xatom.h>
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| #include <X11/extensions/Xfixes.h>
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| 
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| #include "winclipboard.h"
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| #include "internal.h"
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| 
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| /*
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|  * Constants
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|  */
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| 
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| #define CLIP_NUM_SELECTIONS		2
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| #define CLIP_OWN_NONE     		-1
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| #define CLIP_OWN_PRIMARY		0
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| #define CLIP_OWN_CLIPBOARD		1
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| 
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| /*
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|  * Global variables
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|  */
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| 
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| extern int xfixes_event_base;
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| Bool fPrimarySelection = TRUE;
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| 
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| /*
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|  * Local variables
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|  */
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| 
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| static Window s_iOwners[CLIP_NUM_SELECTIONS] = { None, None };
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| static const char *szSelectionNames[CLIP_NUM_SELECTIONS] =
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|     { "PRIMARY", "CLIPBOARD" };
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| 
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| static unsigned int lastOwnedSelectionIndex = CLIP_OWN_NONE;
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| 
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| static void
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| MonitorSelection(XFixesSelectionNotifyEvent * e, unsigned int i)
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| {
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|     /* Look for owned -> not owned transition */
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|     if (None == e->owner && None != s_iOwners[i]) {
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|         unsigned int other_index;
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| 
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|         winDebug("MonitorSelection - %s - Going from owned to not owned.\n",
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|                  szSelectionNames[i]);
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| 
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|         /* If this selection is not owned, the other monitored selection must be the most
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|            recently owned, if it is owned at all */
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|         if (i == CLIP_OWN_PRIMARY)
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|             other_index = CLIP_OWN_CLIPBOARD;
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|         if (i == CLIP_OWN_CLIPBOARD)
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|             other_index = CLIP_OWN_PRIMARY;
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|         if (None != s_iOwners[other_index])
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|             lastOwnedSelectionIndex = other_index;
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|         else
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|             lastOwnedSelectionIndex = CLIP_OWN_NONE;
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|     }
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| 
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|     /* Save last owned selection */
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|     if (None != e->owner) {
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|         lastOwnedSelectionIndex = i;
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|     }
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| 
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|     /* Save new selection owner or None */
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|     s_iOwners[i] = e->owner;
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|     winDebug("MonitorSelection - %s - Now owned by XID %lx\n",
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|              szSelectionNames[i], e->owner);
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| }
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| 
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| Atom
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| winClipboardGetLastOwnedSelectionAtom(ClipboardAtoms *atoms)
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| {
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|     if (lastOwnedSelectionIndex == CLIP_OWN_NONE)
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|         return None;
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| 
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|     if (lastOwnedSelectionIndex == CLIP_OWN_PRIMARY)
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|         return XA_PRIMARY;
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| 
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|     if (lastOwnedSelectionIndex == CLIP_OWN_CLIPBOARD)
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|         return atoms->atomClipboard;
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| 
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|     return None;
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| }
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| 
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| 
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| void
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| winClipboardInitMonitoredSelections(void)
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| {
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|     /* Initialize static variables */
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|     int i;
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|     for (i = 0; i < CLIP_NUM_SELECTIONS; ++i)
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|       s_iOwners[i] = None;
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| 
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|     lastOwnedSelectionIndex = CLIP_OWN_NONE;
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| }
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| 
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| static int
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| winClipboardSelectionNotifyTargets(HWND hwnd, Window iWindow, Display *pDisplay, ClipboardConversionData *data, ClipboardAtoms *atoms)
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| {
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|   Atom type;
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|   int format;
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|   unsigned long nitems;
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|   unsigned long after;
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|   Atom *prop;
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| 
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|   /* Retrieve the selection data and delete the property */
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|   int iReturn = XGetWindowProperty(pDisplay,
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|                                    iWindow,
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|                                    atoms->atomLocalProperty,
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|                                    0,
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|                                    INT_MAX,
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|                                    True,
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|                                    AnyPropertyType,
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|                                    &type,
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|                                    &format,
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|                                    &nitems,
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|                                    &after,
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|                                    (unsigned char **)&prop);
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|   if (iReturn != Success) {
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|     ErrorF("winClipboardFlushXEvents - SelectionNotify - "
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|            "XGetWindowProperty () failed, aborting: %d\n", iReturn);
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|   } else {
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|     int i;
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|     data->targetList = malloc((nitems+1)*sizeof(Atom));
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| 
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|     for (i = 0; i < nitems; i++)
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|       {
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|         Atom atom = prop[i];
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|         char *pszAtomName = XGetAtomName(pDisplay, atom);
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|         data->targetList[i] = atom;
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|         winDebug("winClipboardFlushXEvents - SelectionNotify - target[%d] %ld = %s\n", i, atom, pszAtomName);
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|         XFree(pszAtomName);
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|       }
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| 
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|     data->targetList[nitems] = 0;
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| 
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|     XFree(prop);
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|   }
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| 
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|   return WIN_XEVENTS_NOTIFY_TARGETS;
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| }
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| 
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| /*
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|  * Process any pending X events
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|  */
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| 
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| int
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| winClipboardFlushXEvents(HWND hwnd,
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|                          Window iWindow, Display * pDisplay, ClipboardConversionData *data, ClipboardAtoms *atoms)
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| {
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|     Atom atomClipboard = atoms->atomClipboard;
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|     Atom atomLocalProperty = atoms->atomLocalProperty;
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|     Atom atomUTF8String = atoms->atomUTF8String;
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|     Atom atomCompoundText = atoms->atomCompoundText;
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|     Atom atomTargets = atoms->atomTargets;
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| 
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|     /* Process all pending events */
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|     while (XPending(pDisplay)) {
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|         XTextProperty xtpText = { 0 };
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|         XEvent event;
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|         XSelectionEvent eventSelection;
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|         unsigned long ulReturnBytesLeft;
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|         char *pszReturnData = NULL;
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|         char *pszGlobalData = NULL;
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|         int iReturn;
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|         HGLOBAL hGlobal = NULL;
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|         XICCEncodingStyle xiccesStyle;
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|         char *pszConvertData = NULL;
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|         char *pszTextList[2] = { NULL };
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|         int iCount;
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|         char **ppszTextList = NULL;
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|         wchar_t *pwszUnicodeStr = NULL;
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|         Bool fAbort = FALSE;
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|         Bool fCloseClipboard = FALSE;
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|         Bool fSetClipboardData = TRUE;
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| 
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|         /* Get the next event - will not block because one is ready */
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|         XNextEvent(pDisplay, &event);
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| 
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|         /* Branch on the event type */
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|         switch (event.type) {
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|             /*
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|              * SelectionRequest
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|              */
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| 
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|         case SelectionRequest:
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|         {
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|             char *pszAtomName = NULL;
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| 
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|             winDebug("SelectionRequest - target %ld\n",
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|                      event.xselectionrequest.target);
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| 
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|             pszAtomName = XGetAtomName(pDisplay,
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|                                        event.xselectionrequest.target);
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|             winDebug("SelectionRequest - Target atom name %s\n", pszAtomName);
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|             XFree(pszAtomName);
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|             pszAtomName = NULL;
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|         }
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| 
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|             /* Abort if invalid target type */
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|             if (event.xselectionrequest.target != XA_STRING
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|                 && event.xselectionrequest.target != atomUTF8String
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|                 && event.xselectionrequest.target != atomCompoundText
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|                 && event.xselectionrequest.target != atomTargets) {
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|                 /* Abort */
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|                 fAbort = TRUE;
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|                 goto winClipboardFlushXEvents_SelectionRequest_Done;
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|             }
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| 
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|             /* Handle targets type of request */
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|             if (event.xselectionrequest.target == atomTargets) {
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|                 Atom atomTargetArr[] = { atomTargets,
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|                     atomCompoundText,
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|                     atomUTF8String,
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|                     XA_STRING
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|                 };
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| 
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|                 /* Try to change the property */
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|                 iReturn = XChangeProperty(pDisplay,
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|                                           event.xselectionrequest.requestor,
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|                                           event.xselectionrequest.property,
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|                                           XA_ATOM,
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|                                           32,
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|                                           PropModeReplace,
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|                                           (unsigned char *) atomTargetArr,
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|                                           ARRAY_SIZE(atomTargetArr));
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|                 if (iReturn == BadAlloc
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|                     || iReturn == BadAtom
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|                     || iReturn == BadMatch
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|                     || iReturn == BadValue || iReturn == BadWindow) {
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|                     ErrorF("winClipboardFlushXEvents - SelectionRequest - "
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|                            "XChangeProperty failed: %d\n", iReturn);
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|                 }
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| 
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|                 /* Setup selection notify xevent */
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|                 eventSelection.type = SelectionNotify;
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|                 eventSelection.send_event = True;
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|                 eventSelection.display = pDisplay;
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|                 eventSelection.requestor = event.xselectionrequest.requestor;
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|                 eventSelection.selection = event.xselectionrequest.selection;
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|                 eventSelection.target = event.xselectionrequest.target;
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|                 eventSelection.property = event.xselectionrequest.property;
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|                 eventSelection.time = event.xselectionrequest.time;
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| 
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|                 /*
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|                  * Notify the requesting window that
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|                  * the operation has completed
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|                  */
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|                 iReturn = XSendEvent(pDisplay,
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|                                      eventSelection.requestor,
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|                                      False, 0L, (XEvent *) &eventSelection);
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|                 if (iReturn == BadValue || iReturn == BadWindow) {
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|                     ErrorF("winClipboardFlushXEvents - SelectionRequest - "
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|                            "XSendEvent () failed\n");
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|                 }
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|                 break;
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|             }
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| 
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|             /* Close clipboard if we have it open already */
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|             if (GetOpenClipboardWindow() == hwnd) {
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|                 CloseClipboard();
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|             }
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| 
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|             /* Access the clipboard */
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|             if (!OpenClipboard(hwnd)) {
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|                 ErrorF("winClipboardFlushXEvents - SelectionRequest - "
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|                        "OpenClipboard () failed: %08x\n", (unsigned int)GetLastError());
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| 
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|                 /* Abort */
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|                 fAbort = TRUE;
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|                 goto winClipboardFlushXEvents_SelectionRequest_Done;
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|             }
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| 
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|             /* Indicate that clipboard was opened */
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|             fCloseClipboard = TRUE;
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| 
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|             /* Check that clipboard format is available */
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|             if (data->fUseUnicode && !IsClipboardFormatAvailable(CF_UNICODETEXT)) {
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|                 static int count;       /* Hack to stop acroread spamming the log */
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|                 static HWND lasthwnd;   /* I've not seen any other client get here repeatedly? */
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| 
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|                 if (hwnd != lasthwnd)
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|                     count = 0;
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|                 count++;
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|                 if (count < 6)
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|                     ErrorF("winClipboardFlushXEvents - CF_UNICODETEXT is not "
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|                            "available from Win32 clipboard.  Aborting %d.\n",
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|                            count);
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|                 lasthwnd = hwnd;
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| 
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|                 /* Abort */
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|                 fAbort = TRUE;
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|                 goto winClipboardFlushXEvents_SelectionRequest_Done;
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|             }
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|             else if (!data->fUseUnicode && !IsClipboardFormatAvailable(CF_TEXT)) {
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|                 ErrorF("winClipboardFlushXEvents - CF_TEXT is not "
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|                        "available from Win32 clipboard.  Aborting.\n");
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| 
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|                 /* Abort */
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|                 fAbort = TRUE;
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|                 goto winClipboardFlushXEvents_SelectionRequest_Done;
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|             }
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| 
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|             /* Setup the string style */
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|             if (event.xselectionrequest.target == XA_STRING)
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|                 xiccesStyle = XStringStyle;
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| #ifdef X_HAVE_UTF8_STRING
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|             else if (event.xselectionrequest.target == atomUTF8String)
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|                 xiccesStyle = XUTF8StringStyle;
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| #endif
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|             else if (event.xselectionrequest.target == atomCompoundText)
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|                 xiccesStyle = XCompoundTextStyle;
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|             else
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|                 xiccesStyle = XStringStyle;
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| 
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|             /* Get a pointer to the clipboard text, in desired format */
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|             if (data->fUseUnicode) {
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|                 /* Retrieve clipboard data */
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|                 hGlobal = GetClipboardData(CF_UNICODETEXT);
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|             }
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|             else {
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|                 /* Retrieve clipboard data */
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|                 hGlobal = GetClipboardData(CF_TEXT);
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|             }
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|             if (!hGlobal) {
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|                 ErrorF("winClipboardFlushXEvents - SelectionRequest - "
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|                        "GetClipboardData () failed: %08x\n", (unsigned int)GetLastError());
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| 
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|                 /* Abort */
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|                 fAbort = TRUE;
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|                 goto winClipboardFlushXEvents_SelectionRequest_Done;
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|             }
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|             pszGlobalData = (char *) GlobalLock(hGlobal);
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| 
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|             /* Convert the Unicode string to UTF8 (MBCS) */
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|             if (data->fUseUnicode) {
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|                 int iConvertDataLen = WideCharToMultiByte(CP_UTF8,
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|                                                       0,
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|                                                       (LPCWSTR) pszGlobalData,
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|                                                       -1, NULL, 0, NULL, NULL);
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|                 /* NOTE: iConvertDataLen includes space for null terminator */
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|                 pszConvertData = malloc(iConvertDataLen);
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|                 WideCharToMultiByte(CP_UTF8,
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|                                     0,
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|                                     (LPCWSTR) pszGlobalData,
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|                                     -1,
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|                                     pszConvertData,
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|                                     iConvertDataLen, NULL, NULL);
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|             }
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|             else {
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|                 pszConvertData = strdup(pszGlobalData);
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|             }
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| 
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|             /* Convert DOS string to UNIX string */
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|             winClipboardDOStoUNIX(pszConvertData, strlen(pszConvertData));
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| 
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|             /* Setup our text list */
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|             pszTextList[0] = pszConvertData;
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|             pszTextList[1] = NULL;
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| 
 | |
|             /* Initialize the text property */
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|             xtpText.value = NULL;
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|             xtpText.nitems = 0;
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| 
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|             /* Create the text property from the text list */
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|             if (data->fUseUnicode) {
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| #ifdef X_HAVE_UTF8_STRING
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|                 iReturn = Xutf8TextListToTextProperty(pDisplay,
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|                                                       pszTextList,
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|                                                       1, xiccesStyle, &xtpText);
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| #endif
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|             }
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|             else {
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|                 iReturn = XmbTextListToTextProperty(pDisplay,
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|                                                     pszTextList,
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|                                                     1, xiccesStyle, &xtpText);
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|             }
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|             if (iReturn == XNoMemory || iReturn == XLocaleNotSupported) {
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|                 ErrorF("winClipboardFlushXEvents - SelectionRequest - "
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|                        "X*TextListToTextProperty failed: %d\n", iReturn);
 | |
| 
 | |
|                 /* Abort */
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|                 fAbort = TRUE;
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|                 goto winClipboardFlushXEvents_SelectionRequest_Done;
 | |
|             }
 | |
| 
 | |
|             /* Free the converted string */
 | |
|             free(pszConvertData);
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|             pszConvertData = NULL;
 | |
| 
 | |
|             /* Copy the clipboard text to the requesting window */
 | |
|             iReturn = XChangeProperty(pDisplay,
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|                                       event.xselectionrequest.requestor,
 | |
|                                       event.xselectionrequest.property,
 | |
|                                       event.xselectionrequest.target,
 | |
|                                       8,
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|                                       PropModeReplace,
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|                                       xtpText.value, xtpText.nitems);
 | |
|             if (iReturn == BadAlloc || iReturn == BadAtom
 | |
|                 || iReturn == BadMatch || iReturn == BadValue
 | |
|                 || iReturn == BadWindow) {
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|                 ErrorF("winClipboardFlushXEvents - SelectionRequest - "
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|                        "XChangeProperty failed: %d\n", iReturn);
 | |
| 
 | |
|                 /* Abort */
 | |
|                 fAbort = TRUE;
 | |
|                 goto winClipboardFlushXEvents_SelectionRequest_Done;
 | |
|             }
 | |
| 
 | |
|             /* Release the clipboard data */
 | |
|             GlobalUnlock(hGlobal);
 | |
|             pszGlobalData = NULL;
 | |
|             fCloseClipboard = FALSE;
 | |
|             CloseClipboard();
 | |
| 
 | |
|             /* Clean up */
 | |
|             XFree(xtpText.value);
 | |
|             xtpText.value = NULL;
 | |
|             xtpText.nitems = 0;
 | |
| 
 | |
|             /* Setup selection notify event */
 | |
|             eventSelection.type = SelectionNotify;
 | |
|             eventSelection.send_event = True;
 | |
|             eventSelection.display = pDisplay;
 | |
|             eventSelection.requestor = event.xselectionrequest.requestor;
 | |
|             eventSelection.selection = event.xselectionrequest.selection;
 | |
|             eventSelection.target = event.xselectionrequest.target;
 | |
|             eventSelection.property = event.xselectionrequest.property;
 | |
|             eventSelection.time = event.xselectionrequest.time;
 | |
| 
 | |
|             /* Notify the requesting window that the operation has completed */
 | |
|             iReturn = XSendEvent(pDisplay,
 | |
|                                  eventSelection.requestor,
 | |
|                                  False, 0L, (XEvent *) &eventSelection);
 | |
|             if (iReturn == BadValue || iReturn == BadWindow) {
 | |
|                 ErrorF("winClipboardFlushXEvents - SelectionRequest - "
 | |
|                        "XSendEvent () failed\n");
 | |
| 
 | |
|                 /* Abort */
 | |
|                 fAbort = TRUE;
 | |
|                 goto winClipboardFlushXEvents_SelectionRequest_Done;
 | |
|             }
 | |
| 
 | |
|  winClipboardFlushXEvents_SelectionRequest_Done:
 | |
|             /* Free allocated resources */
 | |
|             if (xtpText.value) {
 | |
|                 XFree(xtpText.value);
 | |
|                 xtpText.value = NULL;
 | |
|                 xtpText.nitems = 0;
 | |
|             }
 | |
|             free(pszConvertData);
 | |
|             if (hGlobal && pszGlobalData)
 | |
|                 GlobalUnlock(hGlobal);
 | |
| 
 | |
|             /*
 | |
|              * Send a SelectionNotify event to the requesting
 | |
|              * client when we abort.
 | |
|              */
 | |
|             if (fAbort) {
 | |
|                 /* Setup selection notify event */
 | |
|                 eventSelection.type = SelectionNotify;
 | |
|                 eventSelection.send_event = True;
 | |
|                 eventSelection.display = pDisplay;
 | |
|                 eventSelection.requestor = event.xselectionrequest.requestor;
 | |
|                 eventSelection.selection = event.xselectionrequest.selection;
 | |
|                 eventSelection.target = event.xselectionrequest.target;
 | |
|                 eventSelection.property = None;
 | |
|                 eventSelection.time = event.xselectionrequest.time;
 | |
| 
 | |
|                 /* Notify the requesting window that the operation is complete */
 | |
|                 iReturn = XSendEvent(pDisplay,
 | |
|                                      eventSelection.requestor,
 | |
|                                      False, 0L, (XEvent *) &eventSelection);
 | |
|                 if (iReturn == BadValue || iReturn == BadWindow) {
 | |
|                     /*
 | |
|                      * Should not be a problem if XSendEvent fails because
 | |
|                      * the client may simply have exited.
 | |
|                      */
 | |
|                     ErrorF("winClipboardFlushXEvents - SelectionRequest - "
 | |
|                            "XSendEvent () failed for abort event.\n");
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             /* Close clipboard if it was opened */
 | |
|             if (fCloseClipboard) {
 | |
|                 fCloseClipboard = FALSE;
 | |
|                 CloseClipboard();
 | |
|             }
 | |
|             break;
 | |
| 
 | |
|             /*
 | |
|              * SelectionNotify
 | |
|              */
 | |
| 
 | |
|         case SelectionNotify:
 | |
|             winDebug("winClipboardFlushXEvents - SelectionNotify\n");
 | |
|             {
 | |
|                 char *pszAtomName;
 | |
| 
 | |
|                 pszAtomName = XGetAtomName(pDisplay,
 | |
|                                            event.xselection.selection);
 | |
| 
 | |
|                 winDebug
 | |
|                     ("winClipboardFlushXEvents - SelectionNotify - ATOM: %s\n",
 | |
|                      pszAtomName);
 | |
|                 XFree(pszAtomName);
 | |
|             }
 | |
| 
 | |
|             /*
 | |
|               SelectionNotify with property of None indicates either:
 | |
| 
 | |
|               (i) Generated by the X server if no owner for the specified selection exists
 | |
|                   (perhaps it's disappeared on us mid-transaction), or
 | |
|               (ii) Sent by the selection owner when the requested selection conversion could
 | |
|                    not be performed or server errors prevented the conversion data being returned
 | |
|             */
 | |
|             if (event.xselection.property == None) {
 | |
|                     ErrorF("winClipboardFlushXEvents - SelectionNotify - "
 | |
|                            "Conversion to format %ld refused.\n",
 | |
|                            event.xselection.target);
 | |
|                     return WIN_XEVENTS_FAILED;
 | |
|                 }
 | |
| 
 | |
|             if (event.xselection.target == atomTargets) {
 | |
|               return winClipboardSelectionNotifyTargets(hwnd, iWindow, pDisplay, data, atoms);
 | |
|             }
 | |
| 
 | |
|             /* Retrieve the selection data and delete the property */
 | |
|             iReturn = XGetWindowProperty(pDisplay,
 | |
|                                          iWindow,
 | |
|                                          atomLocalProperty,
 | |
|                                          0,
 | |
|                                          INT_MAX,
 | |
|                                          True,
 | |
|                                          AnyPropertyType,
 | |
|                                          &xtpText.encoding,
 | |
|                                          &xtpText.format,
 | |
|                                          &xtpText.nitems,
 | |
|                                          &ulReturnBytesLeft, &xtpText.value);
 | |
|             if (iReturn != Success) {
 | |
|                 ErrorF("winClipboardFlushXEvents - SelectionNotify - "
 | |
|                        "XGetWindowProperty () failed, aborting: %d\n", iReturn);
 | |
|                 goto winClipboardFlushXEvents_SelectionNotify_Done;
 | |
|             }
 | |
| 
 | |
|             {
 | |
|                 char *pszAtomName = NULL;
 | |
| 
 | |
|                 winDebug("SelectionNotify - returned data %lu left %lu\n",
 | |
|                          xtpText.nitems, ulReturnBytesLeft);
 | |
|                 pszAtomName = XGetAtomName(pDisplay, xtpText.encoding);
 | |
|                 winDebug("Notify atom name %s\n", pszAtomName);
 | |
|                 XFree(pszAtomName);
 | |
|                 pszAtomName = NULL;
 | |
|             }
 | |
| 
 | |
|             if (data->fUseUnicode) {
 | |
| #ifdef X_HAVE_UTF8_STRING
 | |
|                 /* Convert the text property to a text list */
 | |
|                 iReturn = Xutf8TextPropertyToTextList(pDisplay,
 | |
|                                                       &xtpText,
 | |
|                                                       &ppszTextList, &iCount);
 | |
| #endif
 | |
|             }
 | |
|             else {
 | |
|                 iReturn = XmbTextPropertyToTextList(pDisplay,
 | |
|                                                     &xtpText,
 | |
|                                                     &ppszTextList, &iCount);
 | |
|             }
 | |
|             if (iReturn == Success || iReturn > 0) {
 | |
|                 /* Conversion succeeded or some unconvertible characters */
 | |
|                 if (ppszTextList != NULL) {
 | |
|                     int i;
 | |
|                     int iReturnDataLen = 0;
 | |
|                     for (i = 0; i < iCount; i++) {
 | |
|                         iReturnDataLen += strlen(ppszTextList[i]);
 | |
|                     }
 | |
|                     pszReturnData = malloc(iReturnDataLen + 1);
 | |
|                     pszReturnData[0] = '\0';
 | |
|                     for (i = 0; i < iCount; i++) {
 | |
|                         strcat(pszReturnData, ppszTextList[i]);
 | |
|                     }
 | |
|                 }
 | |
|                 else {
 | |
|                     ErrorF("winClipboardFlushXEvents - SelectionNotify - "
 | |
|                            "X*TextPropertyToTextList list_return is NULL.\n");
 | |
|                     pszReturnData = malloc(1);
 | |
|                     pszReturnData[0] = '\0';
 | |
|                 }
 | |
|             }
 | |
|             else {
 | |
|                 ErrorF("winClipboardFlushXEvents - SelectionNotify - "
 | |
|                        "X*TextPropertyToTextList returned: ");
 | |
|                 switch (iReturn) {
 | |
|                 case XNoMemory:
 | |
|                     ErrorF("XNoMemory\n");
 | |
|                     break;
 | |
|                 case XLocaleNotSupported:
 | |
|                     ErrorF("XLocaleNotSupported\n");
 | |
|                     break;
 | |
|                 case XConverterNotFound:
 | |
|                     ErrorF("XConverterNotFound\n");
 | |
|                     break;
 | |
|                 default:
 | |
|                     ErrorF("%d\n", iReturn);
 | |
|                     break;
 | |
|                 }
 | |
|                 pszReturnData = malloc(1);
 | |
|                 pszReturnData[0] = '\0';
 | |
|             }
 | |
| 
 | |
|             /* Free the data returned from XGetWindowProperty */
 | |
|             if (ppszTextList)
 | |
|                 XFreeStringList(ppszTextList);
 | |
|             ppszTextList = NULL;
 | |
|             XFree(xtpText.value);
 | |
|             xtpText.value = NULL;
 | |
|             xtpText.nitems = 0;
 | |
| 
 | |
|             /* Convert the X clipboard string to DOS format */
 | |
|             winClipboardUNIXtoDOS(&pszReturnData, strlen(pszReturnData));
 | |
| 
 | |
|             if (data->fUseUnicode) {
 | |
|                 /* Find out how much space needed to convert MBCS to Unicode */
 | |
|                 int iUnicodeLen = MultiByteToWideChar(CP_UTF8,
 | |
|                                                   0,
 | |
|                                                   pszReturnData, -1, NULL, 0);
 | |
| 
 | |
|                 /* NOTE: iUnicodeLen includes space for null terminator */
 | |
|                 pwszUnicodeStr = malloc(sizeof(wchar_t) * iUnicodeLen);
 | |
|                 if (!pwszUnicodeStr) {
 | |
|                     ErrorF("winClipboardFlushXEvents - SelectionNotify "
 | |
|                            "malloc failed for pwszUnicodeStr, aborting.\n");
 | |
| 
 | |
|                     /* Abort */
 | |
|                     fAbort = TRUE;
 | |
|                     goto winClipboardFlushXEvents_SelectionNotify_Done;
 | |
|                 }
 | |
| 
 | |
|                 /* Do the actual conversion */
 | |
|                 MultiByteToWideChar(CP_UTF8,
 | |
|                                     0,
 | |
|                                     pszReturnData,
 | |
|                                     -1, pwszUnicodeStr, iUnicodeLen);
 | |
| 
 | |
|                 /* Allocate global memory for the X clipboard data */
 | |
|                 hGlobal = GlobalAlloc(GMEM_MOVEABLE,
 | |
|                                       sizeof(wchar_t) * iUnicodeLen);
 | |
|             }
 | |
|             else {
 | |
|                 int iConvertDataLen = 0;
 | |
|                 pszConvertData = strdup(pszReturnData);
 | |
|                 iConvertDataLen = strlen(pszConvertData) + 1;
 | |
| 
 | |
|                 /* Allocate global memory for the X clipboard data */
 | |
|                 hGlobal = GlobalAlloc(GMEM_MOVEABLE, iConvertDataLen);
 | |
|             }
 | |
| 
 | |
|             free(pszReturnData);
 | |
| 
 | |
|             /* Check that global memory was allocated */
 | |
|             if (!hGlobal) {
 | |
|                 ErrorF("winClipboardFlushXEvents - SelectionNotify "
 | |
|                        "GlobalAlloc failed, aborting: %08x\n", (unsigned int)GetLastError());
 | |
| 
 | |
|                 /* Abort */
 | |
|                 fAbort = TRUE;
 | |
|                 goto winClipboardFlushXEvents_SelectionNotify_Done;
 | |
|             }
 | |
| 
 | |
|             /* Obtain a pointer to the global memory */
 | |
|             pszGlobalData = GlobalLock(hGlobal);
 | |
|             if (pszGlobalData == NULL) {
 | |
|                 ErrorF("winClipboardFlushXEvents - Could not lock global "
 | |
|                        "memory for clipboard transfer\n");
 | |
| 
 | |
|                 /* Abort */
 | |
|                 fAbort = TRUE;
 | |
|                 goto winClipboardFlushXEvents_SelectionNotify_Done;
 | |
|             }
 | |
| 
 | |
|             /* Copy the returned string into the global memory */
 | |
|             if (data->fUseUnicode) {
 | |
|                 wcscpy((wchar_t *)pszGlobalData, pwszUnicodeStr);
 | |
|                 free(pwszUnicodeStr);
 | |
|                 pwszUnicodeStr = NULL;
 | |
|             }
 | |
|             else {
 | |
|                 strcpy(pszGlobalData, pszConvertData);
 | |
|                 free(pszConvertData);
 | |
|                 pszConvertData = NULL;
 | |
|             }
 | |
| 
 | |
|             /* Release the pointer to the global memory */
 | |
|             GlobalUnlock(hGlobal);
 | |
|             pszGlobalData = NULL;
 | |
| 
 | |
|             /* Push the selection data to the Windows clipboard */
 | |
|             if (data->fUseUnicode)
 | |
|                 SetClipboardData(CF_UNICODETEXT, hGlobal);
 | |
|             else
 | |
|                 SetClipboardData(CF_TEXT, hGlobal);
 | |
| 
 | |
|             /* Flag that SetClipboardData has been called */
 | |
|             fSetClipboardData = FALSE;
 | |
| 
 | |
|             /*
 | |
|              * NOTE: Do not try to free pszGlobalData, it is owned by
 | |
|              * Windows after the call to SetClipboardData ().
 | |
|              */
 | |
| 
 | |
|  winClipboardFlushXEvents_SelectionNotify_Done:
 | |
|             /* Free allocated resources */
 | |
|             if (ppszTextList)
 | |
|                 XFreeStringList(ppszTextList);
 | |
|             if (xtpText.value) {
 | |
|                 XFree(xtpText.value);
 | |
|                 xtpText.value = NULL;
 | |
|                 xtpText.nitems = 0;
 | |
|             }
 | |
|             free(pszConvertData);
 | |
|             free(pwszUnicodeStr);
 | |
|             if (hGlobal && pszGlobalData)
 | |
|                 GlobalUnlock(hGlobal);
 | |
|             if (fSetClipboardData) {
 | |
|                 SetClipboardData(CF_UNICODETEXT, NULL);
 | |
|                 SetClipboardData(CF_TEXT, NULL);
 | |
|             }
 | |
|             return WIN_XEVENTS_NOTIFY_DATA;
 | |
| 
 | |
|         case SelectionClear:
 | |
|             winDebug("SelectionClear - doing nothing\n");
 | |
|             break;
 | |
| 
 | |
|         case PropertyNotify:
 | |
|             break;
 | |
| 
 | |
|         case MappingNotify:
 | |
|             break;
 | |
| 
 | |
|         default:
 | |
|             if (event.type == XFixesSetSelectionOwnerNotify + xfixes_event_base) {
 | |
|                 XFixesSelectionNotifyEvent *e =
 | |
|                     (XFixesSelectionNotifyEvent *) & event;
 | |
| 
 | |
|                 winDebug("winClipboardFlushXEvents - XFixesSetSelectionOwnerNotify\n");
 | |
| 
 | |
|                 /* Save selection owners for monitored selections, ignore other selections */
 | |
|                 if ((e->selection == XA_PRIMARY) && fPrimarySelection) {
 | |
|                     MonitorSelection(e, CLIP_OWN_PRIMARY);
 | |
|                 }
 | |
|                 else if (e->selection == atomClipboard) {
 | |
|                     MonitorSelection(e, CLIP_OWN_CLIPBOARD);
 | |
|                 }
 | |
|                 else
 | |
|                     break;
 | |
| 
 | |
|                 /* Selection is being disowned */
 | |
|                 if (e->owner == None) {
 | |
|                     winDebug
 | |
|                         ("winClipboardFlushXEvents - No window, returning.\n");
 | |
|                     break;
 | |
|                 }
 | |
| 
 | |
|                 /*
 | |
|                    XXX: there are all kinds of wacky edge cases we might need here:
 | |
|                    - we own windows clipboard, but neither PRIMARY nor CLIPBOARD have an owner, so we should disown it?
 | |
|                    - root window is taking ownership?
 | |
|                  */
 | |
| 
 | |
|                 /* If we are the owner of the most recently owned selection, don't go all recursive :) */
 | |
|                 if ((lastOwnedSelectionIndex != CLIP_OWN_NONE) &&
 | |
|                     (s_iOwners[lastOwnedSelectionIndex] == iWindow)) {
 | |
|                     winDebug("winClipboardFlushXEvents - Ownership changed to us, aborting.\n");
 | |
|                     break;
 | |
|                 }
 | |
| 
 | |
|                 /* Close clipboard if we have it open already (possible? correct??) */
 | |
|                 if (GetOpenClipboardWindow() == hwnd) {
 | |
|                     CloseClipboard();
 | |
|                 }
 | |
| 
 | |
|                 /* Access the Windows clipboard */
 | |
|                 if (!OpenClipboard(hwnd)) {
 | |
|                     ErrorF("winClipboardFlushXEvents - OpenClipboard () failed: %08x\n",
 | |
|                            (int) GetLastError());
 | |
|                     break;
 | |
|                 }
 | |
| 
 | |
|                 /* Take ownership of the Windows clipboard */
 | |
|                 if (!EmptyClipboard()) {
 | |
|                     ErrorF("winClipboardFlushXEvents - EmptyClipboard () failed: %08x\n",
 | |
|                            (int) GetLastError());
 | |
|                     break;
 | |
|                 }
 | |
| 
 | |
|                 /* Advertise regular text and unicode */
 | |
|                 SetClipboardData(CF_UNICODETEXT, NULL);
 | |
|                 SetClipboardData(CF_TEXT, NULL);
 | |
| 
 | |
|                 /* Release the clipboard */
 | |
|                 if (!CloseClipboard()) {
 | |
|                     ErrorF("winClipboardFlushXEvents - CloseClipboard () failed: %08x\n",
 | |
|                            (int) GetLastError());
 | |
|                     break;
 | |
|                 }
 | |
|             }
 | |
|             /* XFixesSelectionWindowDestroyNotifyMask */
 | |
|             /* XFixesSelectionClientCloseNotifyMask */
 | |
|             else {
 | |
|                 ErrorF("winClipboardFlushXEvents - unexpected event type %d\n",
 | |
|                        event.type);
 | |
|             }
 | |
|             break;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     return WIN_XEVENTS_SUCCESS;
 | |
| }
 |