C++ NeedParentUpdate函数代码示例

	void CControlUI::SetFixedWidth(int cx)
	{
		if( cx < 0 ) return; 
		m_cxyFixed.cx = cx;
		if( !m_bFloat ) NeedParentUpdate();
		else NeedUpdate();
	}

bool CTabLayoutUI::SelectItem(int iIndex)
{
    if (iIndex < 0 || iIndex >= m_items.GetSize()) return false;

    if (iIndex == m_iCurSel) return true;

    int iOldSel = m_iCurSel;
    m_iCurSel = iIndex;

    for (int it = 0; it < m_items.GetSize(); it++) {
        if (it == iIndex) {
            GetItemAt(it)->SetVisible(true);
            GetItemAt(it)->SetFocus();
            SetPos(m_rcItem);
        } else GetItemAt(it)->SetVisible(false);
    }

    NeedParentUpdate();

    if (m_pManager != NULL) {
        m_pManager->SetNextTabControl();
        m_pManager->SendNotify(this, DUI_MSGTYPE_TABSELECT, m_iCurSel, iOldSel);
    }

    return true;
}

	void CControlUI::SetFloat(bool bFloat)
	{
		if( m_bFloat == bFloat ) return;

		m_bFloat = bFloat;
		NeedParentUpdate();
	}

	void CControlUI::SetFixedXY(SIZE szXY)
	{
		m_cXY.cx = szXY.cx;
		m_cXY.cy = szXY.cy;
		if( !m_bFloat ) NeedParentUpdate();
		else NeedUpdate();
	}

	bool CTabLayoutUI::Remove(CControlUI* pControl)
	{
		if (pControl == NULL) return false;

		int index = GetItemIndex(pControl);
		bool ret = CContainerUI::Remove(pControl);
		if( !ret ) return false;

		if (m_nCurSel == index)
		{
			if (GetCount() > 0)
			{
				m_nCurSel=0;
				GetItemAt(m_nCurSel)->SetVisible(true);
			}
			else m_nCurSel=-1;
			NeedParentUpdate();
		}
		else if (m_nCurSel > index)
		{
			m_nCurSel -= 1;
		}

		return ret;
	}

	BOOL CTabLayoutUI::Remove(CControlUI* pControl)
	{
		if( pControl == NULL) return FALSE;

		int index = GetItemIndex(pControl);
		BOOL ret = CContainerUI::Remove(pControl);
		if( !ret ) return FALSE;

		if( m_iCurSel == index)
		{
			if( GetCount() > 0 )
			{
				m_iCurSel=0;
				GetItemAt(m_iCurSel)->SetVisible(TRUE);
			}
			else
				m_iCurSel=-1;
			NeedParentUpdate();
		}
		else if( m_iCurSel > index )
		{
			m_iCurSel -= 1;
		}

		return ret;
	}

	void CLabelUI::SetText( LPCTSTR pstrText )
	{
		CControlUI::SetText(pstrText);
		if(GetAutoCalcWidth()) {
			NeedParentUpdate();
		}
	}

	void CTabLayoutUI::RemoveAll()
	{
		m_iCurSel = -1;
		m_iOldSel = -1;
		CContainerUI::RemoveAll();
		NeedParentUpdate();
	}

	bool CAnimationTabLayoutUI::SelectItem( int iIndex )
	{
		if( iIndex < 0 || iIndex >= m_items.GetSize() ) return false;
		if( iIndex == m_iCurSel ) return true;
		if( iIndex > m_iCurSel ) m_nPositiveDirection = -1;
		if( iIndex < m_iCurSel ) m_nPositiveDirection = 1;

		int iOldSel = m_iCurSel;
		m_iCurSel = iIndex;
		for( int it = 0; it < m_items.GetSize(); it++ ) {
			if( it == iIndex ) {
				GetItemAt(it)->SetVisible(true);
				GetItemAt(it)->SetFocus();
				m_bControlVisibleFlag = false;
				m_pCurrentControl = static_cast<CControlUI*>(m_items[it]);
				
			}
			else GetItemAt(it)->SetVisible(false);
		}

		NeedParentUpdate();
		if( NULL != m_pCurrentControl ) m_pCurrentControl->SetVisible( false );
		AnimationSwitch();

		if( m_pManager != NULL ) {
			m_pManager->SetNextTabControl();
			m_pManager->SendNotify(this, _T("tabselect"), m_iCurSel, iOldSel);
		}
		return true;
	}

	void CControlUI::SetFixedHeight(int cy)
	{
		if( cy < 0 ) return; 
		m_cxyFixed.cy = cy;
		if( !m_bFloat ) NeedParentUpdate();
		else NeedUpdate();
	}

	void CControlUI::SetMaxHeight(int cy)
	{
		if( m_cxyMax.cy == cy ) return;

		if( cy < 0 ) return; 
		m_cxyMax.cy = cy;
		if( !m_bFloat ) NeedParentUpdate();
		else NeedUpdate();
	}

	void CControlUI::SetMaxWidth(int cx)
	{
		if( m_cxyMax.cx == cx ) return;

		if( cx < 0 ) return; 
		m_cxyMax.cx = cx;
		if( !m_bFloat ) NeedParentUpdate();
		else NeedUpdate();
	}

	void CControlUI::SetVisible(bool bVisible)
	{
		if( m_bVisible == bVisible ) return;

		bool v = IsVisible();
		m_bVisible = bVisible;
		if( m_bFocused ) m_bFocused = false;
		if (!bVisible && m_pManager && m_pManager->GetFocus() == this) {
			m_pManager->SetFocus(NULL) ;
		}
		if( IsVisible() != v ) {
			NeedParentUpdate();
		}
	}

	void CContainerUI::SetVisible( bool bVisible /*= true*/, bool bDispalyed /*= true*/ )
	{
		m_bVisible = bVisible;
		m_bDisplayed = bDispalyed;

		m_bEnableUpdate = false;

		for(int i=0; i<m_items.GetSize(); i++){
			CControlUI* pControl = static_cast<CControlUI*>(m_items[i]);
			pControl->SetVisibleByParent(bVisible, bDispalyed);
		}

		m_bEnableUpdate = true;
		NeedParentUpdate();
	}

	void CScrollBarUI::SetHorizontal(bool bHorizontal)
	{
		if( m_bHorizontal == bHorizontal ) return;

		m_bHorizontal = bHorizontal;
		if( m_bHorizontal ) {
			if( m_cxyFixed.cy == 0 ) {
				m_cxyFixed.cx = 0;
				m_cxyFixed.cy = DEFAULT_SCROLLBAR_SIZE;
			}
		}
		else {
			if( m_cxyFixed.cx == 0 ) {
				m_cxyFixed.cx = DEFAULT_SCROLLBAR_SIZE;
				m_cxyFixed.cy = 0;
			}
		}

		if( m_pOwner != NULL ) m_pOwner->NeedUpdate(); else NeedParentUpdate();
	}