From 5fe405bad114ada019616cda4caf0cf9f8886db9 Mon Sep 17 00:00:00 2001
From: rubidium <rubidium@openttd.org>
Date: Sun, 15 Nov 2009 13:50:49 +0000
Subject: (svn r18093) -Fix: the mouseover handler could crash if there wasn't
 a widget under the mouse

---
 src/window.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/window.cpp b/src/window.cpp
index caf9f2840..224031a2e 100644
--- 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 */
-- 
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