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return to caller when there is no window to show in UIManager

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Qingping Hou
2013-01-09 13:12:37 +08:00
parent fb48b270ef
commit 59ed6b5a2f
1 changed files with 3 additions and 2 deletions
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5
frontend/ui/ui.lua
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@@ -154,9 +154,10 @@ function UIManager:run()
--DEBUG("dirty stack", self._dirty)
--DEBUG("---------------------------------------------------")
-- stop when we have no window to show (bug)
-- stop when we have no window to show
if #self._window_stack == 0 then
error("no dialog left to show, would loop endlessly")
DEBUG("no dialog left to show, would loop endlessly")
return nil
end
-- repaint dirty widgets