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6de368c9aa
Signed-off-by: Fernando Carrijo <fcarrijo@yahoo.com.br> Acked-by: Tiago Vignatti <tiago.vignatti@nokia.com> Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com>
87 lines
2.3 KiB
C
87 lines
2.3 KiB
C
/*
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Copyright 1986, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall
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not be used in advertising or otherwise to promote the sale, use or
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other dealings in this Software without prior written authorization
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from The Open Group.
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*/
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/* XPutBackEvent puts an event back at the head of the queue. */
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "Xlibint.h"
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int
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_XPutBackEvent (
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register Display *dpy,
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register XEvent *event)
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{
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register _XQEvent *qelt;
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XEvent store = *event;
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if (!dpy->qfree) {
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if ((dpy->qfree = (_XQEvent *) Xmalloc (sizeof (_XQEvent))) == NULL) {
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return 0;
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}
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dpy->qfree->next = NULL;
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}
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/* unclaimed cookie? */
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if (_XIsEventCookie(dpy, event))
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{
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XEvent copy = {0};
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/* if not claimed, then just fetch and store again */
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if (!event->xcookie.data) {
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_XFetchEventCookie(dpy, &event->xcookie);
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store = *event;
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} else { /* if claimed, copy, client must free */
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_XCopyEventCookie(dpy, &event->xcookie, ©.xcookie);
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store = copy;
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}
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}
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qelt = dpy->qfree;
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dpy->qfree = qelt->next;
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qelt->qserial_num = dpy->next_event_serial_num++;
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qelt->next = dpy->head;
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qelt->event = store;
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dpy->head = qelt;
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if (dpy->tail == NULL)
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dpy->tail = qelt;
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dpy->qlen++;
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return 0;
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}
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int
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XPutBackEvent (
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register Display * dpy,
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register XEvent *event)
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{
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int ret;
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LockDisplay(dpy);
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ret = _XPutBackEvent(dpy, event);
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UnlockDisplay(dpy);
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return ret;
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}
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