void STabCtrl::DrawItem(IRenderTarget *pRT,const CRect &rcItem,int iItem,DWORD dwState )
{
if(rcItem.IsRectEmpty()) return;
int iState = IIF_STATE3(dwState,WndState_Normal,WndState_Hover,WndState_PushDown);
if(m_pSkinTab)
m_pSkinTab->Draw(pRT,rcItem,iState);
//根据状态从style中获得字体，颜色
IFontPtr font=m_style.GetTextFont(iState);
COLORREF crTxt = m_style.GetTextColor(iState);
CAutoRefPtr<IFont> oldFont;
if(font) pRT->SelectObject(font,(IRenderObj**)&oldFont);
COLORREF crOld = 0;
if(crTxt != CR_INVALID) crOld = pRT->SetTextColor(crTxt);
CRect rcIcon(m_ptIcon+rcItem.TopLeft(),CSize(0,0));
if(m_pSkinIcon)
{
rcIcon.right=rcIcon.left+m_pSkinIcon->GetSkinSize().cx;
rcIcon.bottom=rcIcon.top+m_pSkinIcon->GetSkinSize().cy;
int iIcon=GetItem(iItem)->GetIconIndex();
if(iIcon == -1) iIcon = iItem;
m_pSkinIcon->Draw(pRT,rcIcon,iIcon);
}
if(m_ptText.x!=-1 && m_ptText.y!=-1)
{//从指定位置开始绘制文字
pRT->TextOut(rcItem.left+m_ptText.x,rcItem.top+m_ptText.y,GetItem(iItem)->GetTitle(),-1);
}
else
{
CRect rcText=rcItem;
UINT alignStyle=m_style.GetTextAlign();
UINT align=alignStyle;
if(m_ptText.x==-1 && m_ptText.y!=-1)
{//指定了Y偏移，X居中
rcText.top+=m_ptText.y;
align=alignStyle&(DT_CENTER|DT_RIGHT|DT_SINGLELINE|DT_END_ELLIPSIS);
}
else if(m_ptText.x!=-1 && m_ptText.y==-1)
{//指定了X偏移，Y居中
rcText.left+=m_ptText.x;
align=alignStyle&(DT_VCENTER|DT_BOTTOM|DT_SINGLELINE|DT_END_ELLIPSIS);
}
pRT->DrawText(GetItem(iItem)->GetTitle(),-1,&rcText,align);
}
//恢复字体，颜色
if(font) pRT->SelectObject(oldFont);
if(crTxt!=CR_INVALID) pRT->SetTextColor(crOld);
}
void SComboBase::OnPaint(IRenderTarget * pRT )
{
SPainter painter;
BeforePaint(pRT, painter);
if(GetCurSel() != -1 && m_pEdit==NULL)
{
CRect rcText;
GetTextRect(rcText);
SStringT strText=GetWindowText();
DrawText(pRT,strText, strText.GetLength(), rcText, GetTextAlign());
}
//draw focus rect
if(IsFocused())
{
DrawFocus(pRT);
}
AfterPaint(pRT, painter);
CRect rcBtn;
GetDropBtnRect(&rcBtn);
m_pSkinBtn->Draw(pRT,rcBtn,IIF_STATE3(m_dwBtnState,WndState_Normal,WndState_Hover,WndState_PushDown));
}
