bool MainWindow::winEvent(MSG * message, long * result)
{
switch (message->message)
{
case WM_DWMSENDICONICTHUMBNAIL: {
HBITMAP hbitmap = m_thumbnail.toWinHBITMAP();
DwmSetIconicThumbnail(this->winId(), hbitmap, 0);
if (hbitmap) DeleteObject(hbitmap);
}
break;
case WM_DWMSENDICONICLIVEPREVIEWBITMAP: {
HBITMAP hbitmap = QPixmap::grabWidget(this).scaled(this->size(), Qt::KeepAspectRatio).toWinHBITMAP();
DwmSetIconicLivePreviewBitmap(this->winId(), hbitmap, 0, 0);
if (hbitmap) DeleteObject(hbitmap);
}
break;
default:
return false;
}
return false;
}
void TaskbarWnd::sendLivePreviewBitmap( )
{
RECT r;
::GetWindowRect( mol::win::mdiClient(), &r );
RECT wr;
::GetWindowRect( tb_->parent(), &wr );
POINT ptOffset = { r.left-wr.left, r.top-wr.top };
HRESULT hr = DwmSetIconicLivePreviewBitmap( *this, hbm_cached_, &ptOffset, 1);
}
void IntegratedMainWindow::sendPreviewInternal()
{
QPixmap pix = sendPreview();
if (!pix.isNull())
{
HBITMAP hBitmap = pix.toWinHBITMAP();
DwmSetIconicLivePreviewBitmap(winId(), hBitmap, 0, d->m_windowFrameForIconicThumbnails ? DWM_SIT_DISPLAYFRAME : 0);
if (hBitmap)
{
DeleteObject(hBitmap);
}
}
}
