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-rw-r--r--nx-X11/lib/src/PeekEvent.c61
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diff --git a/nx-X11/lib/src/PeekEvent.c b/nx-X11/lib/src/PeekEvent.c
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+++ b/nx-X11/lib/src/PeekEvent.c
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+/*
+
+Copyright 1986, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+
+/*
+ * Return the next event in the queue,
+ * BUT do not remove it from the queue.
+ * If none found, flush and wait until there is an event to peek.
+ */
+
+int
+XPeekEvent (
+ register Display *dpy,
+ register XEvent *event)
+{
+ XEvent copy;
+ LockDisplay(dpy);
+ if (dpy->head == NULL)
+ _XReadEvents(dpy);
+#ifdef NX_TRANS_SOCKET
+ if (_XGetIOError(dpy)) {
+ UnlockDisplay(dpy);
+ return 1;
+ }
+#endif
+ *event = (dpy->head)->event;
+ if (_XCopyEventCookie(dpy, &event->xcookie, &copy.xcookie)) {
+ _XStoreEventCookie(dpy, &copy);
+ *event = copy;
+ }
+ UnlockDisplay(dpy);
+ return 1;
+}
+