--- a/ui/motif/graphics.c	Wed Jan 20 16:00:05 2016 +0100
+++ b/ui/motif/graphics.c	Wed Jan 20 17:37:52 2016 +0100
@@ -43,6 +43,8 @@
     ev.obj = drawevent->obj;
     ev.window = drawevent->obj->window;
     ev.document = drawevent->obj->ctx->document;
+    ev.eventdata = NULL;
+    ev.intval = 0;
     
     XtVaGetValues(
             widget,