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fix various bugs found by amsl

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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2131 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
chaos.proton@gmail.com
2012-05-27 16:34:19 +00:00
parent f29989094c
commit 87e992a574
2 changed files with 15 additions and 11 deletions
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17
components/rtgui/widgets/container.c
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@@ -83,7 +83,8 @@ rt_bool_t rtgui_container_dispatch_event(rtgui_container_t *container, rtgui_eve
struct rtgui_widget* w;
w = rtgui_list_entry(node, struct rtgui_widget, sibling);
if (RTGUI_OBJECT(w)->event_handler(RTGUI_OBJECT(w), event) == RT_TRUE)
if (RTGUI_OBJECT(w)->event_handler &&
RTGUI_OBJECT(w)->event_handler(RTGUI_OBJECT(w), event) == RT_TRUE)
return RT_TRUE;
}
@@ -107,7 +108,8 @@ rt_bool_t rtgui_container_dispatch_mouse_event(rtgui_container_t *container, str
{
if ((old_focus != w) && RTGUI_WIDGET_IS_FOCUSABLE(w))
rtgui_widget_focus(w);
if (RTGUI_OBJECT(w)->event_handler(RTGUI_OBJECT(w),
if (RTGUI_OBJECT(w)->event_handler &&
RTGUI_OBJECT(w)->event_handler(RTGUI_OBJECT(w),
(rtgui_event_t*)event) == RT_TRUE)
return RT_TRUE;
}
@@ -152,7 +154,8 @@ rt_bool_t rtgui_container_event_handler(struct rtgui_object* object, struct rtgu
case RTGUI_EVENT_KBD:
/* let parent to handle keyboard event */
if (widget->parent != RT_NULL &&
widget->parent != RTGUI_WIDGET(widget->toplevel))
widget->parent != RTGUI_WIDGET(widget->toplevel) &&
RTGUI_OBJECT(widget->parent)->event_handler)
{
return RTGUI_OBJECT(widget->parent)->event_handler(
RTGUI_OBJECT(widget->parent),
@@ -244,7 +247,8 @@ void rtgui_container_destroy_children(rtgui_container_t *container)
{
struct rtgui_list_node* node;
if (container == RT_NULL) return;
if (container == RT_NULL)
return;
node = container->children.next;
while (node != RT_NULL)
@@ -282,6 +286,8 @@ rtgui_widget_t* rtgui_container_get_first_child(rtgui_container_t* container)
{
rtgui_widget_t* child = RT_NULL;
RT_ASSERT(container != RT_NULL);
if (container->children.next != RT_NULL)
{
child = rtgui_list_entry(container->children.next, rtgui_widget_t, sibling);
@@ -303,7 +309,8 @@ void rtgui_container_set_box(rtgui_container_t* container, struct rtgui_box* box
void rtgui_container_hide(rtgui_container_t* container)
{
if (container == RT_NULL) return;
if (container == RT_NULL)
return;
if (RTGUI_WIDGET(container)->parent == RT_NULL)
{