Method Invalidate

DuiLib/Control/UITreeView.cpp:150–193

��������: Invalidate ��������: void ����˵��:

	// ����˵��: 
	//************************************
	void CTreeNodeUI::Invalidate()
	{
		if( !IsVisible() )
			return;

		if( GetParent() ) {
			CContainerUI* pParentContainer = static_cast<CContainerUI*>(GetParent()->GetInterface(_T("Container")));
			if( pParentContainer ) {
				RECT rc = pParentContainer->GetPos();
				RECT rcInset = pParentContainer->GetInset();
				rc.left += rcInset.left;
				rc.top += rcInset.top;
				rc.right -= rcInset.right;
				rc.bottom -= rcInset.bottom;
				CScrollBarUI* pVerticalScrollBar = pParentContainer->GetVerticalScrollBar();
				if( pVerticalScrollBar && pVerticalScrollBar->IsVisible() ) rc.right -= pVerticalScrollBar->GetFixedWidth();
				CScrollBarUI* pHorizontalScrollBar = pParentContainer->GetHorizontalScrollBar();
				if( pHorizontalScrollBar && pHorizontalScrollBar->IsVisible() ) rc.bottom -= pHorizontalScrollBar->GetFixedHeight();

				RECT invalidateRc = m_rcItem;
				if( !::IntersectRect(&invalidateRc, &m_rcItem, &rc) ) 
					return;

				CControlUI* pParent = GetParent();
				RECT rcTemp;
				RECT rcParent;
				while( pParent = pParent->GetParent() )
				{
					rcTemp = invalidateRc;
					rcParent = pParent->GetPos();
					if( !::IntersectRect(&invalidateRc, &rcTemp, &rcParent) ) 
						return;
				}

				if( m_pManager != NULL ) m_pManager->Invalidate(invalidateRc);
			}
			else {
				CContainerUI::Invalidate();
			}
		}
		else {
			CContainerUI::Invalidate();
		}
	}
	
	//************************************
	// ��������: Select