diff -r a499c8a72c15 -r db95c0104937 ui/motif/button.c
--- a/ui/motif/button.c	Tue Apr 01 11:53:10 2014 +0200
+++ b/ui/motif/button.c	Tue Apr 01 13:47:29 2014 +0200
@@ -54,6 +54,7 @@
         event->obj = obj;
         event->user_data = data;
         event->callback = f;
+        event->value = 0;
         XtAddCallback(
                 button,
                 XmNactivateCallback,
@@ -99,6 +100,6 @@
     e.obj = event->obj;
     e.window = event->obj->window;
     e.document = event->obj->document;
-    e.intval = 0;
+    e.intval = event->value;
     event->callback(&e, event->user_data);
 }