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rtgui/widgets/window.c: check null reference on rtgui_container.focused 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1829 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
chaos.proton@gmail.com 2011-12-07 06:52:32 +00:00
parent bcb7a3f67b
commit 57e2947cfc
1 changed files with 2 additions and 1 deletions
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3
components/rtgui/widgets/window.c
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@ -518,7 +518,8 @@ rt_bool_t rtgui_win_event_handler(struct rtgui_widget* widget, struct rtgui_even
if (win->modal_widget != RT_NULL)
return win->modal_widget->event_handler(win->modal_widget, event);
}
else if (RTGUI_CONTAINER(win)->focused != widget)
else if (RTGUI_CONTAINER(win)->focused != widget &&
RTGUI_CONTAINER(win)->focused != RT_NULL)
{
RTGUI_CONTAINER(win)->focused->event_handler(RTGUI_CONTAINER(win)->focused, event);
}