From 31639cce3989572013195ee0525ad8cc370fdd14 Mon Sep 17 00:00:00 2001
From: chrox <chrox.huang@gmail.com>
Date: Sat, 7 Jun 2014 13:36:58 +0800
Subject: [PATCH] check window stack before sending events This should fix FC
 on Android with "Start with last opened file" checked

---
 frontend/ui/uimanager.lua | 1 +
 1 file changed, 1 insertion(+)

diff --git a/frontend/ui/uimanager.lua b/frontend/ui/uimanager.lua
index cd5fd409b..931b54bdc 100644
--- a/frontend/ui/uimanager.lua
+++ b/frontend/ui/uimanager.lua
@@ -116,6 +116,7 @@ end
 
 -- transmit an event to registered widgets
 function UIManager:sendEvent(event)
+    if #self._window_stack == 0 then return end
     -- top level widget has first access to the event
     if self._window_stack[#self._window_stack].widget:handleEvent(event) then
         return