From 06b210ff4252ff981247bd5db4c4a2228cc9a61f Mon Sep 17 00:00:00 2001
From: frosch <frosch@openttd.org>
Date: Thu, 5 Jun 2014 17:14:16 +0000
Subject: (svn r26629) -Fix [FS#6012]: If the video driver fails to supply a
 list of resolutions, display an error message.

---
 src/widgets/dropdown.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/widgets')

diff --git a/src/widgets/dropdown.cpp b/src/widgets/dropdown.cpp
index d919eff7c..1f32b778e 100644
--- a/src/widgets/dropdown.cpp
+++ b/src/widgets/dropdown.cpp
@@ -116,6 +116,8 @@ struct DropdownWindow : Window {
 	DropdownWindow(Window *parent, const DropDownList *list, int selected, int button, bool instant_close, const Point &position, const Dimension &size, Colours wi_colour, bool scroll)
 			: Window(&_dropdown_desc)
 	{
+		assert(list->Length() > 0);
+
 		this->position = position;
 
 		this->CreateNestedTree();
-- 
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