865 lines
32 KiB
C
865 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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#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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* 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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#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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#include "winclipboard.h"
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#include "internal.h"
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/*
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* Constants
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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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* Global variables
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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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* Local variables
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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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static unsigned int lastOwnedSelectionIndex = CLIP_OWN_NONE;
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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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winDebug("MonitorSelection - %s - Going from owned to not owned.\n",
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szSelectionNames[i]);
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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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/* 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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/* 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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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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if (lastOwnedSelectionIndex == CLIP_OWN_PRIMARY)
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return XA_PRIMARY;
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if (lastOwnedSelectionIndex == CLIP_OWN_CLIPBOARD)
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return atoms->atomClipboard;
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return None;
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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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lastOwnedSelectionIndex = CLIP_OWN_NONE;
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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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/* 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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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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data->targetList[nitems] = 0;
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XFree(prop);
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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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* Process any pending X events
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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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/* 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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/* Get the next event - will not block because one is ready */
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XNextEvent(pDisplay, &event);
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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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case SelectionRequest:
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{
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char *pszAtomName = NULL;
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winDebug("SelectionRequest - target %ld\n",
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event.xselectionrequest.target);
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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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/* 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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/* 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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/* 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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(sizeof(atomTargetArr)
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/ sizeof(atomTargetArr[0])));
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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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/* 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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* 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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/* 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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/* 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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/* Abort */
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fAbort = TRUE;
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goto winClipboardFlushXEvents_SelectionRequest_Done;
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}
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/* Indicate that clipboard was opened */
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fCloseClipboard = TRUE;
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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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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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/* 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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/* 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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/* 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;
|
|
xtpText.nitems = 0;
|
|
|
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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);
|
|
|
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/* Abort */
|
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fAbort = TRUE;
|
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goto winClipboardFlushXEvents_SelectionRequest_Done;
|
|
}
|
|
|
|
/* Free the converted string */
|
|
free(pszConvertData);
|
|
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,
|
|
PropModeReplace,
|
|
xtpText.value, xtpText.nitems);
|
|
if (iReturn == BadAlloc || iReturn == BadAtom
|
|
|| iReturn == BadMatch || iReturn == BadValue
|
|
|| iReturn == BadWindow) {
|
|
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;
|
|
}
|