static rt_bool_t _rtgui_menu_onitem(struct rtgui_object* object, struct rtgui_event* event)
{
struct rtgui_menu* menu;
/* event will be NULL, don't check it. */
RT_ASSERT(object);
/* get menu */
menu = RTGUI_MENU(rtgui_widget_get_toplevel(RTGUI_WIDGET(object)));
if (menu->items[menu->items_list->current_item].type == RTGUI_ITEM_SUBMENU)
{
const rtgui_menu_item_t* items;
rt_uint16_t count;
rtgui_rect_t item_rect;
items = (rtgui_menu_item_t*)menu->items[menu->items_list->current_item].submenu;
count = menu->items[menu->items_list->current_item].submenu_count;
if (menu->sub_menu != RT_NULL)
{
if (menu->sub_menu->items == items)
{
if (!RTGUI_WIDGET_IS_HIDE(RTGUI_WIDGET(menu->sub_menu)))
{
/* hide this sub menu */
rtgui_win_hiden(RTGUI_WIN(menu->sub_menu));
return RT_FALSE;
}
/* show this sub menu */
rtgui_listctrl_get_item_rect(menu->items_list, menu->items_list->current_item, &item_rect);
rtgui_menu_pop(menu->sub_menu, item_rect.x2, item_rect.y1);
return RT_FALSE;
}
/* delete sub menu */
rtgui_menu_destroy(menu->sub_menu);
menu->sub_menu = RT_NULL;
}
/* create sub menu */
menu->sub_menu = rtgui_menu_create("submenu", menu, items, count);
rtgui_listctrl_get_item_rect(menu->items_list, menu->items_list->current_item, &item_rect);
rtgui_menu_pop(menu->sub_menu, item_rect.x2 + 5, item_rect.y1);
}
else /* other menu item */
{
/* invoke action */
if (menu->items[menu->items_list->current_item].on_menuaction != RT_NULL)
menu->items[menu->items_list->current_item].on_menuaction(RTGUI_OBJECT(menu), RT_NULL);
/* hide sub-menu */
if (menu->sub_menu != RT_NULL)
{
rtgui_menu_hiden(menu->sub_menu);
}
rtgui_menu_hiden(menu);
}
return RT_FALSE;
}
static void _rtgui_menu_destructor(rtgui_menu_t* menu)
{
if (menu->sub_menu != RT_NULL)
{
rtgui_menu_destroy(menu->sub_menu);
menu->sub_menu = RT_NULL;
}
rtgui_listctrl_destroy(menu->items_list);
menu->items_list = RT_NULL;
}