# HG changeset patch
# User rubidium <rubidium@openttd.org>
# Date 2009-11-15 13:50:49
# Node ID cb473daf8c0380c1bdbed91d7e053c1569a01100
# Parent  251ed15297e0ac23d3333e48a65283e0b1db1415

(svn r18093) -Fix: the mouseover handler could crash if there wasn't a widget under the mouse

diff --git a/src/window.cpp b/src/window.cpp
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -1333,8 +1333,8 @@ static bool HandleMouseOver()
 	if (w != NULL) {
 		/* send an event in client coordinates. */
 		Point pt = { _cursor.pos.x - w->left, _cursor.pos.y - w->top };
-		int widget = w->nested_root->GetWidgetFromPos(pt.x, pt.y)->index;
-		w->OnMouseOver(pt, widget);
+		const NWidgetCore *widget = w->nested_root->GetWidgetFromPos(pt.x, pt.y);
+		if (widget != NULL) w->OnMouseOver(pt, widget->index);
 	}
 
 	/* Mouseover never stops execution */