BOOL
ZDrOleClient::FinishCreate( SCODE sc )
{
HRESULT hResult = 0;
BOOL bReturn = COleClientItem::FinishCreate( sc );
// Determine whether we have to set the ClientSite first
// by passing our IOleClientSite
m_lpObject->GetMiscStatus( DVASPECT_CONTENT, &m_dwMiscStatus );
if ( m_dwMiscStatus & OLEMISC_SETCLIENTSITEFIRST )
{
hResult = m_lpObject->SetClientSite( GetClientSite( ) );
if ( FAILED( hResult ) )
{
bReturn = FALSE;
}
}
if ( bReturn )
{
if ( IsInvisibleAtRuntime() )
{
DoVerb( OLEIVERB_HIDE, GetParentView() );
}
else
{
DoVerb( OLEIVERB_SHOW, GetParentView() );
}
}
return( bReturn );
}
BOOL CCtrlItem::DrawBackToFront(CDC* pDC, LPCRECT prectBounds)
{
RECTL rclBounds;
RECTL* prclBounds;
DWORD dwViewStatus;
if (m_lpObject == NULL || m_lpViewObject == NULL)
{
return FALSE;
}
if (IsInvisibleAtRuntime())
{
// We are invisible.
return FALSE;
}
if (IsInPlaceActive() && !m_bWindowless)
{
return FALSE;
}
// convert RECT lpBounds to RECTL rclBounds
rclBounds.left = prectBounds->left;
rclBounds.top = prectBounds->top;
rclBounds.right = prectBounds->right;
rclBounds.bottom = prectBounds->bottom;
if (m_bWindowless)
{
prclBounds = NULL;
}
else
{
prclBounds = &rclBounds;
}
if (m_pViewObjectEx != NULL)
{
m_pViewObjectEx->GetViewStatus(&dwViewStatus);
ASSERT(dwViewStatus == m_dwViewStatus);
}
else
{
ASSERT(m_dwViewStatus == 0);
}
if ((m_dwAspectPass2 == DVASPECT_TRANSPARENT)&&(m_dwViewStatus&
VIEWSTATUS_DVASPECTTRANSPARENT))
{
m_lpViewObject->Draw( DVASPECT_TRANSPARENT, -1, NULL, NULL, NULL,
pDC->m_hDC, prclBounds, NULL, NULL, 0 );
}
else if (m_dwAspectPass2 == DVASPECT_CONTENT)
{
m_lpViewObject->Draw(DVASPECT_CONTENT, -1, NULL, NULL, NULL, pDC->m_hDC,
prclBounds, NULL, NULL, 0);
}
return TRUE;
}
BOOL CCtrlItem::DrawFrontToBack(CDC* pDC, LPCRECT prectBounds)
{
HRESULT hResult;
RECTL rclBounds;
RECTL* prclBounds;
DWORD dwViewStatus;
RECTL rclClip;
CRect rectClip;
CSize size;
if ((m_lpObject == NULL) || (m_lpViewObject == NULL))
{
return FALSE;
}
//如果是在位激活且窗口模式退出
if (IsInPlaceActive() && !m_bWindowless)
{
return FALSE;
}
//不支持两遍绘制
if (m_pViewObjectEx == NULL)
{
// The control doesn't understand two-pass drawing, so just draw it on
// pass 2.
return FALSE ;
}
//不可见退出
if(IsInvisibleAtRuntime() )
{
// We are invisible.
return FALSE;
}
// convert RECT lpBounds to RECTL rclBounds
rclBounds.left = prectBounds->left;
rclBounds.top = prectBounds->top;
rclBounds.right = prectBounds->right;
rclBounds.bottom = prectBounds->bottom;
if (m_bWindowless)
{
prclBounds = NULL;
}
else
{
prclBounds = &rclBounds;
}
// Assume that we won't be able to draw the first pass.
m_dwAspectPass2 = DVASPECT_CONTENT;
m_pViewObjectEx->GetViewStatus( &dwViewStatus );
m_dwViewStatus = dwViewStatus;
ASSERT( m_dwViewStatus == dwViewStatus );
//不支持不透明性退出
if (!(m_dwViewStatus&VIEWSTATUS_DVASPECTOPAQUE))
{
return FALSE;
}
//返回不透明区域
hResult = m_pViewObjectEx->GetRect(DVASPECT_OPAQUE, &rclClip);
if (FAILED(hResult))
{
return FALSE;
}
hResult = m_lpViewObject->Draw(DVASPECT_OPAQUE, -1, NULL, NULL, NULL,
pDC->m_hDC, prclBounds, NULL, NULL, 0);
if (SUCCEEDED(hResult))
{
// Just draw the transparent part in pass 2.
m_dwAspectPass2 = DVASPECT_TRANSPARENT;
}
size = CSize(rclClip.left, rclClip.top);
pDC->HIMETRICtoDP(&size);
rectClip.left = int(m_pCtrlObj->m_position.left+size.cx);
rectClip.top = int(m_pCtrlObj->m_position.top+size.cy);
size = CSize(rclClip.right, rclClip.bottom);
pDC->HIMETRICtoDP(&size);
rectClip.right = int(m_pCtrlObj->m_position.left+size.cx);
rectClip.bottom = int(m_pCtrlObj->m_position.top+size.cy);
//将此区域切掉
pDC->ExcludeClipRect(&rectClip);
return TRUE;
}
