add widget parameter in item action function callback.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@863 bbd45198-f89e-11dd-88c7-29a3b14d5316

components/rtgui/include/rtgui/widgets/list_view.h

@@ -21,7 +21,7 @@
 
 #include <rtgui/widgets/view.h>
 
-typedef void (*item_action)(void* parameter);
+typedef void (*item_action)(struct rtgui_widget* widget, void* parameter);
 struct rtgui_list_item
 {
     char* name;

components/rtgui/widgets/list_view.c

@@ -373,7 +373,8 @@ static rt_bool_t rtgui_list_view_onmouse(struct rtgui_list_view* view, struct rt
 					/* up event */
 					if (view->items[view->current_item].action != RT_NULL)
 					{
-						view->items[view->current_item].action(view->items[view->current_item].parameter);
+						view->items[view->current_item].action(RTGUI_WIDGET(view), 
+							view->items[view->current_item].parameter);
 					}
 				}
 			}
@@ -407,7 +408,8 @@ static rt_bool_t rtgui_list_view_onmouse(struct rtgui_list_view* view, struct rt
 						/* up event */
 						if (view->items[view->current_item].action != RT_NULL)
 						{
-							view->items[view->current_item].action(view->items[view->current_item].parameter);
+							view->items[view->current_item].action(RTGUI_WIDGET(view),
+								view->items[view->current_item].parameter);
 						}
 					}
 				}
@@ -537,7 +539,8 @@ rt_bool_t rtgui_list_view_event_handler(struct rtgui_widget* widget, struct rtgu
 				case RTGUIK_RETURN:
                     if (view->items[view->current_item].action != RT_NULL)
 					{
-					    view->items[view->current_item].action(view->items[view->current_item].parameter);
+					    view->items[view->current_item].action(RTGUI_WIDGET(view),
+							view->items[view->current_item].parameter);
 					}
 					return RT_FALSE;