Method OnPaint

SOUI/src/control/SListView.cpp:198–246

    void SListView::OnPaint(IRenderTarget *pRT)
    {
        if(m_bDataSetInvalidated)
        {
            UpdateVisibleItems();
            m_bDataSetInvalidated = FALSE;
        }
        
        SPainter duiDC;
        BeforePaint(pRT,duiDC);


        int iFirst = m_iFirstVisible;
        if(iFirst!=-1)
        {
            CRect rcClient;
            GetClientRect(&rcClient);
            pRT->PushClipRect(&rcClient,RGN_AND);

            CRect rcClip,rcInter;
            pRT->GetClipBox(&rcClip);

            int nOffset = m_lvItemLocator->Item2Position(iFirst)-m_siVer.nPos;

            CRect rcItem(rcClient);
            rcItem.bottom = rcItem.top + nOffset;

            SPOSITION pos= m_lstItems.GetHeadPosition();
            int i=0;
            for(;pos;i++)
            {
                ItemInfo ii = m_lstItems.GetNext(pos);
                rcItem.top=rcItem.bottom;
                rcItem.bottom = rcItem.top + m_lvItemLocator->GetItemHeight(iFirst+i);
                rcInter.IntersectRect(&rcClip,&rcItem);
                if(!rcInter.IsRectEmpty())
                    ii.pItem->Draw(pRT,rcItem);
                rcItem.top = rcItem.bottom;
                rcItem.bottom += m_lvItemLocator->GetDividerSize();
                if(m_pSkinDivider)
                {//绘制分隔线
                    m_pSkinDivider->Draw(pRT,rcItem,0);
                }
            }

            pRT->PopClip();
        }
        AfterPaint(pRT,duiDC);
    }

    BOOL SListView::OnScroll(BOOL bVertical,UINT uCode,int nPos)
    {