void SMenuODWnd::MeasureItem( LPMEASUREITEMSTRUCT lpMeasureItemStruct )
{
if(lpMeasureItemStruct->CtlType != ODT_MENU) return;
SMenuItemData *pdmmi=(SMenuItemData*)lpMeasureItemStruct->itemData;
if(pdmmi)
{
//menu item
lpMeasureItemStruct->itemHeight = m_nItemHei;
lpMeasureItemStruct->itemWidth = m_szIcon.cx+m_nIconMargin*2;
CAutoRefPtr<IRenderTarget> pRT;
GETRENDERFACTORY->CreateRenderTarget(&pRT,0,0);
CAutoRefPtr<IFont> oldFont;
pRT->SelectObject(m_hFont,(IRenderObj**)&oldFont);
SIZE szTxt;
pRT->MeasureText(pdmmi->itemInfo.strText,pdmmi->itemInfo.strText.GetLength(),&szTxt);
lpMeasureItemStruct->itemWidth += szTxt.cx+m_nTextMargin*2;
pRT->SelectObject(oldFont);
}
else
{
// separator
lpMeasureItemStruct->itemHeight = m_pSepSkin?m_pSepSkin->GetSkinSize().cy:3;
lpMeasureItemStruct->itemWidth=0;
}
}
void SScrollText::UpdateScrollInfo(CSize size)
{
CAutoRefPtr<IRenderTarget> pRT;
GETRENDERFACTORY->CreateRenderTarget(&pRT,0,0);
BeforePaintEx(pRT);
SIZE sz;
pRT->MeasureText(m_strText,m_strText.GetLength(),&sz);
if(sz.cx - size.cx>0)
{
m_nScrollWidth = sz.cx;
if (m_nRollType==1)
{
m_nOffset=-size.cx;
}
OnShowWindow(IsVisible(TRUE), 0);
}
else
{
m_nOffset = 0;
m_nScrollWidth = 0;
}
}