/** 追加子部件 */
int $(Append)( LCUI_Widget container, LCUI_Widget widget )
{
int i, n;
LCUI_Widget old_container;
LCUI_WidgetEvent e;
DEBUG_MSG("container: %p, widget: %p\n", container, widget);
if( !container || !widget || container == widget->parent ) {
return -1;
}
if( container == widget ) {
return -2;
}
if( widget->parent ) {
old_container = widget->parent;
} else {
goto remove_done;
}
/* 移除在之前的容器中的记录 */
n = LinkedList_GetTotal( &old_container->children );
for( i=0; i<n; ++i ) {
LinkedList_Goto( &old_container->children, i );
if( LinkedList_Get(&old_container->children) == widget ) {
LinkedList_Delete( &old_container->children );
break;
}
}
/* 如果是从根级部件中移出，则触发 WET_REMOVE 事件 */
if( i < n && old_container == LCUIRootWidget ) {
e.type_name = "TopLevelWidget";
e.target = widget;
Widget_PostEvent( LCUIRootWidget, &e, (int*)WET_REMOVE );
}
n = LinkedList_GetTotal( &old_container->children_show );
for( i=0; i<n; ++i ) {
LinkedList_Goto( &old_container->children_show, i );
if( LinkedList_Get(&old_container->children_show) == widget ) {
LinkedList_Delete( &old_container->children_show );
break;
}
}
remove_done:
widget->parent = container;
LinkedList_AddData( &container->children, widget );
LinkedList_AddData( &container->children_show, widget );
/* 如果是添加至根部件内，则触发 WET_ADD 事件 */
if( container == LCUIRootWidget ) {
int ret;
e.type_name = "TopLevelWidget";
e.target = widget;
ret = Widget_PostEvent( LCUIRootWidget, &e, (int*)WET_ADD );
DEBUG_MSG("post done, ret = %d\n", ret);
}
Widget_UpdateTaskStatus( widget );
DEBUG_MSG("tip\n");
return 0;
}
/** 处理样式标签 */
const wchar_t*
StyleTagStack_ScanBeginTag( LCUI_StyleTagStack *tags, const wchar_t *str )
{
const wchar_t *q;
LCUI_StyleTagData data;
/* 开始处理样式标签 */
q = scan_style_tag_data( str, &data );
DEBUG_MSG2("handle_style_tag():%p\n", q);
if( q ) {
DEBUG_MSG2("add style data\n");
/* 将标签样式数据加入队列 */
LinkedList_AddData( tags, &data );
}
return q;
}
/** 绑定指定ID的事件 */
int $(BindById)( LCUI_EventBox box, int event_id, EventCallBack func,
void *func_data, void (*destroy_data)(void*) )
{
LCUI_RBTreeNode *node;
LCUI_EventSlot *slot;
LCUI_EventHandler *handler;
node = RBTree_Search( &box->event_slot, event_id );
if( !node ) {
return -1;
}
slot = (LCUI_EventSlot*)node->data;
handler = NEW_ONE(LCUI_EventHandler);
handler->id = ++box->handler_id;
handler->func = func;
handler->func_data = func_data;
handler->destroy_data = destroy_data;
LinkedList_AddData( &slot->handlers, handler );
RBTree_Insert(
&box->event_handler, handler->id, (void*)(slot->id)
);
return handler->id;
}