--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/extw-Xlib.c	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,85 @@
+/* Common code between client and shell widgets; not Xt-specific.
+   Copyright (C) 1993, 1994 Sun Microsystems, Inc.
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with this library; if not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+/* Synched up with: Not in FSF. */
+
+/* Written by Ben Wing, September 1993. */
+
+#ifdef emacs
+
+#include <config.h>
+
+#ifndef EXTERNAL_WIDGET
+ERROR!  This ought not be getting compiled if EXTERNAL_WIDGET is undefined
+#endif
+
+#endif
+
+#include <X11/Xlib.h>
+#include "extw-Xlib.h"
+
+int extw_which_side;
+
+static int atoms_initialized;
+Atom a_EXTW_QUERY_GEOMETRY, a_EXTW_GEOMETRY_MANAGER, a_EXTW_WIDGET_GEOMETRY,
+     a_EXTW_NOTIFY;
+
+void
+extw_initialize_atoms(Display *display)
+{
+  if (!atoms_initialized) {
+    a_EXTW_QUERY_GEOMETRY =
+      XInternAtom(display, "EXTW_QUERY_GEOMETRY", False);
+    a_EXTW_GEOMETRY_MANAGER =
+      XInternAtom(display, "EXTW_GEOMETRY_MANAGER", False);
+    a_EXTW_WIDGET_GEOMETRY =
+      XInternAtom(display, "EXTW_WIDGET_GEOMETRY", False);
+    a_EXTW_NOTIFY =
+      XInternAtom(display, "EXTW_NOTIFY", False);
+    atoms_initialized = 1;
+  }
+
+}
+
+/* send a notification to the other-side widget. */
+
+void
+extw_send_notify_3(Display *display, Window win, en_extw_notify type,
+		   long data0, long data1, long data2)
+{
+  XClientMessageEvent xev;
+  
+  xev.type = ClientMessage;
+  xev.message_type = a_EXTW_NOTIFY;
+  xev.format = 32;
+  xev.display = display;
+  xev.window = win;
+  xev.data.l[0] = extw_which_side;
+  xev.data.l[1] = type;
+  xev.data.l[2] = data0;
+  xev.data.l[3] = data1;
+  xev.data.l[4] = data2;
+
+  /* UGGGHHHH!  All I want to do is ensure that the ClientMessage gets
+     received.  Unfortunately X doesn't provide any simple way to do
+     that but instead has this event_mask bogosity in XSendEvent. */
+
+  XSendEvent(display, win, False,
+	     extw_which_side == extw_shell_send ? 0 : StructureNotifyMask,
+	     (XEvent *) &xev);
+}