/**
* 标记部件内的一个区域为无效的，以使其重绘
* @param[in] w 目标部件
* @param[in] r 矩形区域
* @param[in] box_type 区域相对于何种框进行定位
*/
void Widget_InvalidateArea( LCUI_Widget w, LCUI_Rect *r, int box_type )
{
LCUI_Rect rect;
Widget_AdjustArea( w, r, &rect, box_type );
DirtyRectList_Add( &w->dirty_rects, &rect );
while( w = w->parent, w && !w->has_dirty_child ) {
w->has_dirty_child = TRUE;
}
}
LCUI_BOOL Widget_InvalidateArea( LCUI_Widget widget,
LCUI_RectF *in_rect, int box_type )
{
int mode;
LCUI_Rect area;
LCUI_RectF rect;
LCUI_Widget w = widget;
LCUI_Widget root = LCUIWidget_GetRoot();
LCUI_RectGroup group;
if( !w ) {
w = root;
}
mode = LCUIDisplay_GetMode();
Widget_AdjustArea( w, in_rect, &rect, box_type );
rect.x += w->box.graph.x;
rect.y += w->box.graph.y;
while( w && w->parent ) {
LCUIRectF_ValidateArea( &rect, w->parent->box.padding.width,
w->parent->box.padding.height );
if( rect.width <= 0 || rect.height <= 0 ) {
return FALSE;
}
if( mode != LCDM_SEAMLESS && w->parent == root ) {
break;
}
w = w->parent;
rect.x += w->box.padding.x;
rect.y += w->box.padding.y;
}
RectFToInvalidArea( &rect, &area );
if( mode != LCDM_SEAMLESS ) {
RectList_Add( &self.rects, &area );
return TRUE;
}
group = RBTree_CustomGetData( &self.groups, w );
if( !group ) {
group = NEW( LCUI_RectGroupRec, 1 );
group->widget = w;
LinkedList_Init( &group->rects );
RBTree_CustomInsert( &self.groups, w, group );
}
return RectList_Add( &group->rects, &area ) == 0;
}
/**
* 标记部件内的一个区域为有效的
* @param[in] w 目标部件
* @param[in] r 矩形区域
* @param[in] box_type 区域相对于何种框进行定位
*/
void Widget_ValidateArea( LCUI_Widget w, LCUI_Rect *r, int box_type )
{
LCUI_Rect rect;
Widget_AdjustArea( w, r, &rect, box_type );
DirtyRectList_Delete( &w->dirty_rects, &rect );
}
