831 lines
32 KiB
C
831 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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#include <limits.h>
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#include <wchar.h>
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#include <xcb/xcb.h>
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#include <xcb/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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#define CP_ISO_8559_1 28591
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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 xcb_window_t s_iOwners[CLIP_NUM_SELECTIONS] = { XCB_NONE, XCB_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(xcb_xfixes_selection_notify_event_t * e, unsigned int i)
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{
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/* Look for owned -> not owned transition */
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if ((XCB_NONE == e->owner) && (XCB_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 (XCB_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 (XCB_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 %x\n",
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szSelectionNames[i], e->owner);
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}
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xcb_atom_t
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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 XCB_NONE;
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if (lastOwnedSelectionIndex == CLIP_OWN_PRIMARY)
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return XCB_ATOM_PRIMARY;
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if (lastOwnedSelectionIndex == CLIP_OWN_CLIPBOARD)
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return atoms->atomClipboard;
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return XCB_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] = XCB_NONE;
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lastOwnedSelectionIndex = CLIP_OWN_NONE;
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}
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static char *get_atom_name(xcb_connection_t *conn, xcb_atom_t atom)
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{
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char *ret;
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xcb_get_atom_name_cookie_t cookie = xcb_get_atom_name(conn, atom);
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xcb_get_atom_name_reply_t *reply = xcb_get_atom_name_reply(conn, cookie, NULL);
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if (!reply)
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return NULL;
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ret = calloc(1, xcb_get_atom_name_name_length(reply) + 1);
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if (ret) {
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memcpy(ret, xcb_get_atom_name_name(reply), xcb_get_atom_name_name_length(reply));
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ret[xcb_get_atom_name_name_length(reply)] = '\0';
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}
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free(reply);
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return ret;
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}
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static int
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winClipboardSelectionNotifyTargets(HWND hwnd, xcb_window_t iWindow, xcb_connection_t *conn, ClipboardConversionData *data, ClipboardAtoms *atoms)
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{
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/* Retrieve the selection data and delete the property */
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xcb_get_property_cookie_t cookie = xcb_get_property(conn,
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TRUE,
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iWindow,
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atoms->atomLocalProperty,
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XCB_GET_PROPERTY_TYPE_ANY,
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0,
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INT_MAX);
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xcb_get_property_reply_t *reply = xcb_get_property_reply(conn, cookie, NULL);
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if (!reply) {
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ErrorF("winClipboardFlushXEvents - SelectionNotify - "
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"XGetWindowProperty () failed\n");
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} else {
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xcb_atom_t *prop = xcb_get_property_value(reply);
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int nitems = xcb_get_property_value_length(reply)/sizeof(xcb_atom_t);
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int i;
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data->targetList = calloc(nitems+1, sizeof(xcb_atom_t));
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for (i = 0; i < nitems; i++)
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{
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xcb_atom_t atom = prop[i];
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char *pszAtomName = get_atom_name(conn, atom);
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data->targetList[i] = atom;
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winDebug("winClipboardFlushXEvents - SelectionNotify - target[%d] %d = %s\n", i, atom, pszAtomName);
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free(pszAtomName);
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}
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data->targetList[nitems] = 0;
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free(reply);
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}
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return WIN_XEVENTS_NOTIFY_TARGETS;
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}
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static int
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winClipboardSelectionNotifyData(HWND hwnd, xcb_window_t iWindow, xcb_connection_t *conn, ClipboardConversionData *data, ClipboardAtoms *atoms)
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{
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xcb_atom_t encoding;
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int format;
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unsigned long int nitems;
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unsigned long int after;
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unsigned char *value;
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unsigned char *xtpText_value;
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xcb_atom_t xtpText_encoding;
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int xtpText_nitems;
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BOOL fSetClipboardData = TRUE;
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char *pszReturnData = NULL;
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wchar_t *pwszUnicodeStr = NULL;
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HGLOBAL hGlobal = NULL;
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char *pszGlobalData = NULL;
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/* Retrieve the selection data and delete the property */
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xcb_get_property_cookie_t cookie = xcb_get_property(conn,
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TRUE,
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iWindow,
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atoms->atomLocalProperty,
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XCB_GET_PROPERTY_TYPE_ANY,
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0,
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INT_MAX);
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xcb_get_property_reply_t *reply = xcb_get_property_reply(conn, cookie, NULL);
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if (!reply) {
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ErrorF("winClipboardFlushXEvents - SelectionNotify - "
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"XGetWindowProperty () failed\n");
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goto winClipboardFlushXEvents_SelectionNotify_Done;
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} else {
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nitems = xcb_get_property_value_length(reply);
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value = xcb_get_property_value(reply);
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after = reply->bytes_after;
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encoding = reply->type;
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format = reply->format;
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// We assume format == 8 (i.e. data is a sequence of bytes). It's not
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// clear how anything else should be handled.
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if (format != 8)
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ErrorF("SelectionNotify: format is %d, proceeding as if it was 8\n", format);
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}
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{
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char *pszAtomName;
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winDebug("SelectionNotify - returned data %lu left %lu\n", nitems, after);
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pszAtomName = get_atom_name(conn, encoding);
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winDebug("Notify atom name %s\n", pszAtomName);
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free(pszAtomName);
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}
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/* INCR reply indicates the start of a incremental transfer */
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if (encoding == atoms->atomIncr) {
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winDebug("winClipboardSelectionNotifyData: starting INCR, anticipated size %d\n", *(int *)value);
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data->incrsize = 0;
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data->incr = calloc(1, *(int *)value);
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// XXX: if calloc failed, we have an error
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return WIN_XEVENTS_SUCCESS;
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}
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else if (data->incr) {
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/* If an INCR transfer is in progress ... */
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if (nitems == 0) {
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winDebug("winClipboardSelectionNotifyData: ending INCR, actual size %ld\n", data->incrsize);
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/* a zero-length property indicates the end of the data */
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xtpText_value = data->incr;
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xtpText_encoding = encoding;
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// XXX: The type of the converted selection is the type of the first
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// partial property. The remaining partial properties must have the
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// same type.
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xtpText_nitems = data->incrsize;
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}
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else {
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/* Otherwise, continue appending the INCR data */
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winDebug("winClipboardSelectionNotifyData: INCR, %ld bytes\n", nitems);
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data->incr = realloc(data->incr, data->incrsize + nitems);
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memcpy(data->incr + data->incrsize, value, nitems);
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data->incrsize = data->incrsize + nitems;
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return WIN_XEVENTS_SUCCESS;
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}
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}
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else {
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/* Otherwise, the data is just contained in the property */
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winDebug("winClipboardSelectionNotifyData: non-INCR, %ld bytes\n", nitems);
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xtpText_value = value;
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xtpText_encoding = encoding;
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xtpText_nitems = nitems;
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}
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UINT codepage = CP_ACP;
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if (xtpText_encoding == atoms->atomUTF8String) {
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pszReturnData = calloc(1, xtpText_nitems + 1);
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memcpy(pszReturnData, xtpText_value, xtpText_nitems);
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pszReturnData[xtpText_nitems] = 0;
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codepage = CP_UTF8; // code page identifier for utf8
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} else if (xtpText_encoding == XCB_ATOM_STRING) {
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// STRING encoding is Latin1 (ISO8859-1) plus tab and newline
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pszReturnData = calloc(1, xtpText_nitems + 1);
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memcpy(pszReturnData, xtpText_value, xtpText_nitems);
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pszReturnData[xtpText_nitems] = 0;
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codepage = CP_ISO_8559_1; // code page identifier for iso-8559-1
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} else if (xtpText_encoding == atoms->atomCompoundText) {
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// COMPOUND_TEXT is complex, based on ISO 2022
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ErrorF("SelectionNotify: data in COMPOUND_TEXT encoding which is not implemented, discarding\n");
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pszReturnData = calloc(1, 1);
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pszReturnData[0] = '\0';
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} else { // shouldn't happen as we accept no other encodings
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pszReturnData = calloc(1, 1);
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pszReturnData[0] = '\0';
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}
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/* Free the data returned from xcb_get_property */
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free(reply);
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/* Free any INCR data */
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if (data->incr) {
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free(data->incr);
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data->incr = NULL;
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data->incrsize = 0;
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}
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/* Convert the X clipboard string to DOS format */
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winClipboardUNIXtoDOS(&pszReturnData, strlen(pszReturnData));
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/* Find out how much space needed when converted to UTF-16 */
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int iUnicodeLen = MultiByteToWideChar(codepage, 0,
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pszReturnData, -1, NULL, 0);
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/* NOTE: iUnicodeLen includes space for null terminator */
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pwszUnicodeStr = calloc(iUnicodeLen, sizeof(wchar_t));
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if (!pwszUnicodeStr) {
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ErrorF("winClipboardFlushXEvents - SelectionNotify "
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"calloc failed for pwszUnicodeStr, aborting.\n");
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/* Abort */
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goto winClipboardFlushXEvents_SelectionNotify_Done;
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}
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/* Do the actual conversion */
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MultiByteToWideChar(codepage, 0,
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pszReturnData, -1, pwszUnicodeStr, iUnicodeLen);
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/* Allocate global memory for the X clipboard data */
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hGlobal = GlobalAlloc(GMEM_MOVEABLE, sizeof(wchar_t) * iUnicodeLen);
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free(pszReturnData);
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/* Check that global memory was allocated */
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if (!hGlobal) {
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ErrorF("winClipboardFlushXEvents - SelectionNotify "
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"GlobalAlloc failed, aborting: %08x\n", (unsigned int)GetLastError());
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/* Abort */
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goto winClipboardFlushXEvents_SelectionNotify_Done;
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}
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/* Obtain a pointer to the global memory */
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pszGlobalData = GlobalLock(hGlobal);
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if (pszGlobalData == NULL) {
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ErrorF("winClipboardFlushXEvents - Could not lock global "
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"memory for clipboard transfer\n");
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/* Abort */
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goto winClipboardFlushXEvents_SelectionNotify_Done;
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}
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/* Copy the returned string into the global memory */
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wcscpy((wchar_t *)pszGlobalData, pwszUnicodeStr);
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free(pwszUnicodeStr);
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pwszUnicodeStr = NULL;
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/* Release the pointer to the global memory */
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GlobalUnlock(hGlobal);
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pszGlobalData = NULL;
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/* Push the selection data to the Windows clipboard */
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SetClipboardData(CF_UNICODETEXT, hGlobal);
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/* Flag that SetClipboardData has been called */
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fSetClipboardData = FALSE;
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/*
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* NOTE: Do not try to free pszGlobalData, it is owned by
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* Windows after the call to SetClipboardData ().
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*/
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winClipboardFlushXEvents_SelectionNotify_Done:
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/* Free allocated resources */
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free(pwszUnicodeStr);
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if (hGlobal && pszGlobalData)
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GlobalUnlock(hGlobal);
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if (fSetClipboardData) {
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SetClipboardData(CF_UNICODETEXT, NULL);
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SetClipboardData(CF_TEXT, NULL);
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}
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return WIN_XEVENTS_NOTIFY_DATA;
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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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xcb_window_t iWindow, xcb_connection_t *conn,
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ClipboardConversionData *data, ClipboardAtoms *atoms)
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{
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xcb_atom_t atomClipboard = atoms->atomClipboard;
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xcb_atom_t atomUTF8String = atoms->atomUTF8String;
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xcb_atom_t atomCompoundText = atoms->atomCompoundText;
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xcb_atom_t atomTargets = atoms->atomTargets;
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/* Process all pending events */
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xcb_generic_event_t *event;
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while ((event = xcb_poll_for_event(conn))) {
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const char *pszGlobalData = NULL;
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HGLOBAL hGlobal = NULL;
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char *pszConvertData = NULL;
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BOOL fAbort = FALSE;
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BOOL fCloseClipboard = FALSE;
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/* Branch on the event type */
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switch (event->response_type & ~0x80) {
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case XCB_SELECTION_REQUEST:
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{
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char *xtpText_value = NULL;
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int xtpText_nitems;
|
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|
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xcb_selection_request_event_t *selection_request = (xcb_selection_request_event_t *)event;
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{
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char *pszAtomName = NULL;
|
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|
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winDebug("SelectionRequest - target %d\n", selection_request->target);
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pszAtomName = get_atom_name(conn, selection_request->target);
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winDebug("SelectionRequest - Target atom name %s\n", pszAtomName);
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free(pszAtomName);
|
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}
|
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|
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/* Abort if invalid target type */
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if (selection_request->target != XCB_ATOM_STRING
|
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&& selection_request->target != atomUTF8String
|
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&& selection_request->target != atomCompoundText
|
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&& selection_request->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 (selection_request->target == atomTargets) {
|
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xcb_atom_t atomTargetArr[] =
|
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{
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atomTargets,
|
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atomUTF8String,
|
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XCB_ATOM_STRING,
|
|
// atomCompoundText, not implemented (yet?)
|
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};
|
|
|
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/* Try to change the property */
|
|
xcb_void_cookie_t cookie = xcb_change_property_checked(conn,
|
|
XCB_PROP_MODE_REPLACE,
|
|
selection_request->requestor,
|
|
selection_request->property,
|
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XCB_ATOM_ATOM,
|
|
32,
|
|
ARRAY_SIZE(atomTargetArr),
|
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(unsigned char *) atomTargetArr);
|
|
xcb_generic_error_t *error;
|
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if ((error = xcb_request_check(conn, cookie))) {
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ErrorF("winClipboardFlushXEvents - SelectionRequest - "
|
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"xcb_change_property failed");
|
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free(error);
|
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}
|
|
|
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/* Setup selection notify xevent */
|
|
xcb_selection_notify_event_t eventSelection;
|
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eventSelection.response_type = XCB_SELECTION_NOTIFY;
|
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eventSelection.requestor = selection_request->requestor;
|
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eventSelection.selection = selection_request->selection;
|
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eventSelection.target = selection_request->target;
|
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eventSelection.property = selection_request->property;
|
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eventSelection.time = selection_request->time;
|
|
|
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/*
|
|
* Notify the requesting window that
|
|
* the operation has completed
|
|
*/
|
|
cookie = xcb_send_event_checked(conn, FALSE,
|
|
eventSelection.requestor,
|
|
0, (char *) &eventSelection);
|
|
if ((error = xcb_request_check(conn, cookie))) {
|
|
ErrorF("winClipboardFlushXEvents - SelectionRequest - "
|
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"xcb_send_event() failed\n");
|
|
}
|
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break;
|
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}
|
|
|
|
/* Close clipboard if we have it open already */
|
|
if (GetOpenClipboardWindow() == hwnd) {
|
|
CloseClipboard();
|
|
}
|
|
|
|
/* Access the clipboard */
|
|
if (!OpenClipboard(hwnd)) {
|
|
ErrorF("winClipboardFlushXEvents - SelectionRequest - "
|
|
"OpenClipboard () failed: %08x\n", (unsigned int)GetLastError());
|
|
|
|
/* Abort */
|
|
fAbort = TRUE;
|
|
goto winClipboardFlushXEvents_SelectionRequest_Done;
|
|
}
|
|
|
|
/* Indicate that clipboard was opened */
|
|
fCloseClipboard = TRUE;
|
|
|
|
/* Check that clipboard format is available */
|
|
if (!IsClipboardFormatAvailable(CF_UNICODETEXT)) {
|
|
static int count; /* Hack to stop acroread spamming the log */
|
|
static HWND lasthwnd; /* I've not seen any other client get here repeatedly? */
|
|
|
|
if (hwnd != lasthwnd)
|
|
count = 0;
|
|
count++;
|
|
if (count < 6)
|
|
ErrorF("winClipboardFlushXEvents - CF_UNICODETEXT is not "
|
|
"available from Win32 clipboard. Aborting %d.\n",
|
|
count);
|
|
lasthwnd = hwnd;
|
|
|
|
/* Abort */
|
|
fAbort = TRUE;
|
|
goto winClipboardFlushXEvents_SelectionRequest_Done;
|
|
}
|
|
|
|
/* Get a pointer to the clipboard text, in desired format */
|
|
/* Retrieve clipboard data */
|
|
hGlobal = GetClipboardData(CF_UNICODETEXT);
|
|
|
|
if (!hGlobal) {
|
|
ErrorF("winClipboardFlushXEvents - SelectionRequest - "
|
|
"GetClipboardData () failed: %08x\n", (unsigned int)GetLastError());
|
|
|
|
/* Abort */
|
|
fAbort = TRUE;
|
|
goto winClipboardFlushXEvents_SelectionRequest_Done;
|
|
}
|
|
pszGlobalData = (char *) GlobalLock(hGlobal);
|
|
|
|
UINT codepage = CP_ACP;
|
|
|
|
/* Convert to target string style */
|
|
if (selection_request->target == XCB_ATOM_STRING) {
|
|
codepage = CP_ISO_8559_1; // code page identifier for iso-8559-1
|
|
} else if (selection_request->target == atomUTF8String) {
|
|
codepage = CP_UTF8; // code page identifier for utf8
|
|
} else if (selection_request->target == atomCompoundText) {
|
|
// COMPOUND_TEXT is complex, not (yet) implemented
|
|
pszGlobalData = "COMPOUND_TEXT not implemented";
|
|
codepage = CP_UTF8; // code page identifier for utf8
|
|
}
|
|
|
|
/* Convert the UTF16 string to required encoding */
|
|
int iConvertDataLen = WideCharToMultiByte(codepage, 0,
|
|
(LPCWSTR) pszGlobalData, -1,
|
|
NULL, 0, NULL, NULL);
|
|
/* NOTE: iConvertDataLen includes space for null terminator */
|
|
pszConvertData = calloc(1, iConvertDataLen);
|
|
WideCharToMultiByte(codepage, 0,
|
|
(LPCWSTR) pszGlobalData, -1,
|
|
pszConvertData, iConvertDataLen, NULL, NULL);
|
|
|
|
/* Convert DOS string to UNIX string */
|
|
winClipboardDOStoUNIX(pszConvertData, strlen(pszConvertData));
|
|
|
|
xtpText_value = strdup(pszConvertData);
|
|
xtpText_nitems = strlen(pszConvertData);
|
|
|
|
/* data will fit into a single X request? (INCR not yet supported) */
|
|
{
|
|
uint32_t maxreqsize = xcb_get_maximum_request_length(conn);
|
|
|
|
/* covert to bytes and allow for allow for X_ChangeProperty request */
|
|
maxreqsize = maxreqsize*4 - 24;
|
|
|
|
if (xtpText_nitems > maxreqsize) {
|
|
ErrorF("winClipboardFlushXEvents - clipboard data size %d greater than maximum %u\n", xtpText_nitems, maxreqsize);
|
|
|
|
/* Abort */
|
|
fAbort = TRUE;
|
|
goto winClipboardFlushXEvents_SelectionRequest_Done;
|
|
}
|
|
}
|
|
|
|
/* Copy the clipboard text to the requesting window */
|
|
xcb_void_cookie_t cookie = xcb_change_property_checked(conn,
|
|
XCB_PROP_MODE_REPLACE,
|
|
selection_request->requestor,
|
|
selection_request->property,
|
|
selection_request->target,
|
|
8,
|
|
xtpText_nitems, xtpText_value);
|
|
xcb_generic_error_t *error;
|
|
if ((error = xcb_request_check(conn, cookie))) {
|
|
ErrorF("winClipboardFlushXEvents - SelectionRequest - "
|
|
"xcb_change_property failed\n");
|
|
|
|
/* Abort */
|
|
fAbort = TRUE;
|
|
goto winClipboardFlushXEvents_SelectionRequest_Done;
|
|
}
|
|
|
|
/* Free the converted string */
|
|
free(pszConvertData);
|
|
pszConvertData = NULL;
|
|
|
|
/* Release the clipboard data */
|
|
GlobalUnlock(hGlobal);
|
|
pszGlobalData = NULL;
|
|
fCloseClipboard = FALSE;
|
|
CloseClipboard();
|
|
|
|
/* Clean up */
|
|
free(xtpText_value);
|
|
xtpText_value = NULL;
|
|
|
|
/* Setup selection notify event */
|
|
xcb_selection_notify_event_t eventSelection;
|
|
eventSelection.response_type = XCB_SELECTION_NOTIFY;
|
|
eventSelection.requestor = selection_request->requestor;
|
|
eventSelection.selection = selection_request->selection;
|
|
eventSelection.target = selection_request->target;
|
|
eventSelection.property = selection_request->property;
|
|
eventSelection.time = selection_request->time;
|
|
|
|
/* Notify the requesting window that the operation has completed */
|
|
cookie = xcb_send_event_checked(conn, FALSE,
|
|
eventSelection.requestor,
|
|
0, (char *) &eventSelection);
|
|
if ((error = xcb_request_check(conn, cookie))) {
|
|
ErrorF("winClipboardFlushXEvents - SelectionRequest - "
|
|
"xcb_send_event() failed\n");
|
|
|
|
/* Abort */
|
|
fAbort = TRUE;
|
|
goto winClipboardFlushXEvents_SelectionRequest_Done;
|
|
}
|
|
|
|
winClipboardFlushXEvents_SelectionRequest_Done:
|
|
/* Free allocated resources */
|
|
if (xtpText_value) {
|
|
free(xtpText_value);
|
|
}
|
|
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.response_type = XCB_SELECTION_NOTIFY;
|
|
eventSelection.requestor = selection_request->requestor;
|
|
eventSelection.selection = selection_request->selection;
|
|
eventSelection.target = selection_request->target;
|
|
eventSelection.property = XCB_NONE;
|
|
eventSelection.time = selection_request->time;
|
|
|
|
/* Notify the requesting window that the operation is complete */
|
|
cookie = xcb_send_event_checked(conn, FALSE,
|
|
eventSelection.requestor,
|
|
0, (char *) &eventSelection);
|
|
if ((error = xcb_request_check(conn, cookie))) {
|
|
/*
|
|
* Should not be a problem if XSendEvent fails because
|
|
* the client may simply have exited.
|
|
*/
|
|
ErrorF("winClipboardFlushXEvents - SelectionRequest - "
|
|
"xcb_send_event() failed for abort event.\n");
|
|
}
|
|
}
|
|
|
|
/* Close clipboard if it was opened */
|
|
if (fCloseClipboard) {
|
|
fCloseClipboard = FALSE;
|
|
CloseClipboard();
|
|
}
|
|
break;
|
|
}
|
|
|
|
case XCB_SELECTION_NOTIFY:
|
|
{
|
|
xcb_selection_notify_event_t *selection_notify = (xcb_selection_notify_event_t *)event;
|
|
winDebug("winClipboardFlushXEvents - SelectionNotify\n");
|
|
{
|
|
char *pszAtomName;
|
|
pszAtomName = get_atom_name(conn, selection_notify->selection);
|
|
winDebug("winClipboardFlushXEvents - SelectionNotify - ATOM: %s\n", pszAtomName);
|
|
free(pszAtomName);
|
|
}
|
|
|
|
/*
|
|
SelectionNotify with property of XCB_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 (selection_notify->property == XCB_NONE) {
|
|
ErrorF("winClipboardFlushXEvents - SelectionNotify - "
|
|
"Conversion to format %d refused.\n",
|
|
selection_notify->target);
|
|
return WIN_XEVENTS_FAILED;
|
|
}
|
|
|
|
if (selection_notify->target == atomTargets) {
|
|
return winClipboardSelectionNotifyTargets(hwnd, iWindow, conn, data, atoms);
|
|
}
|
|
|
|
return winClipboardSelectionNotifyData(hwnd, iWindow, conn, data, atoms);
|
|
}
|
|
|
|
case XCB_SELECTION_CLEAR:
|
|
winDebug("SelectionClear - doing nothing\n");
|
|
break;
|
|
|
|
case XCB_PROPERTY_NOTIFY:
|
|
{
|
|
xcb_property_notify_event_t *property_notify = (xcb_property_notify_event_t *)event;
|
|
|
|
/* If INCR is in progress, collect the data */
|
|
if (data->incr &&
|
|
(property_notify->atom == atoms->atomLocalProperty) &&
|
|
(property_notify->state == XCB_PROPERTY_NEW_VALUE))
|
|
return winClipboardSelectionNotifyData(hwnd, iWindow, conn, data, atoms);
|
|
|
|
break;
|
|
}
|
|
|
|
case XCB_MAPPING_NOTIFY:
|
|
break;
|
|
|
|
case 0:
|
|
/* This is just laziness rather than making sure we used _checked everywhere */
|
|
{
|
|
xcb_generic_error_t *err = (xcb_generic_error_t *)event;
|
|
ErrorF("winClipboardFlushXEvents - Error code: %i, ID: 0x%08x, "
|
|
"Major opcode: %i, Minor opcode: %i\n",
|
|
err->error_code, err->resource_id,
|
|
err->major_code, err->minor_code);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
if ((event->response_type & ~0x80) == XCB_XFIXES_SELECTION_EVENT_SET_SELECTION_OWNER + xfixes_event_base) {
|
|
xcb_xfixes_selection_notify_event_t *e = (xcb_xfixes_selection_notify_event_t *)event;
|
|
winDebug("winClipboardFlushXEvents - XFixesSetSelectionOwnerNotify\n");
|
|
|
|
/* Save selection owners for monitored selections, ignore other selections */
|
|
if ((e->selection == XCB_ATOM_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 == XCB_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;
|
|
}
|
|
}
|
|
/* XCB_XFIXES_SELECTION_EVENT_SELECTION_WINDOW_DESTROY */
|
|
/* XCB_XFIXES_SELECTION_EVENT_SELECTION_CLIENT_CLOSE */
|
|
else {
|
|
ErrorF("winClipboardFlushXEvents - unexpected event type %d\n",
|
|
event->response_type);
|
|
}
|
|
break;
|
|
}
|
|
|
|
/* I/O errors etc. */
|
|
{
|
|
int e = xcb_connection_has_error(conn);
|
|
if (e) {
|
|
ErrorF("winClipboardFlushXEvents - Fatal error %d on xcb connection\n", e);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return WIN_XEVENTS_SUCCESS;
|
|
|
|
}
|