void ChooseWindowPushButton::refreshWindow(const WindowHandle &handle)
{
InvalidateRect(handle.value(), NULL, TRUE);
UpdateWindow(handle.value());
RedrawWindow(handle.value(), NULL, NULL, RDW_FRAME | RDW_INVALIDATE | RDW_ERASENOW | RDW_UPDATENOW | RDW_ALLCHILDREN);
HWND hParent = GetParent(handle.value());
if(hParent)
{
RECT rc;
GetWindowRect(handle.value(), &rc);
POINT ptTopLeft = RectTopLeft(rc);
POINT ptBottomRight = RectBottomRight(rc);
ScreenToClient(hParent, &ptTopLeft);
ScreenToClient(hParent, &ptBottomRight);
rc.top = ptTopLeft.y;
rc.left = ptTopLeft.x;
rc.bottom = ptBottomRight.y;
rc.right = ptBottomRight.x;
InvalidateRect(hParent, &rc, TRUE);
UpdateWindow(hParent);
RedrawWindow(hParent, &rc, NULL, RDW_FRAME | RDW_INVALIDATE | RDW_UPDATENOW | RDW_ALLCHILDREN);
}
}
bool ChooseWindowPushButton::isWindowValid(const WindowHandle &handle) const
{
if(!handle.isValid())
return false;
if(handle == mLastFoundWindow)
return false;
#ifdef Q_WS_WIN
if(!IsWindow(handle.value()))
return false;
#endif
foreach(QWidget *widget, mWindowIgnoreList)
{
if(widget->winId() == handle.value())
return false;
}
return true;
}
void ChooseWindowPushButton::highlightWindow(const WindowHandle &handle)
{
HDC hWindowDC = NULL; // The DC of the found window.
HGDIOBJ hPrevPen = NULL; // Handle of the existing pen in the DC of the found window.
HGDIOBJ hPrevBrush = NULL; // Handle of the existing brush in the DC of the found window.
RECT rect; // Rectangle area of the found window.
GetWindowRect(handle.value(), &rect);
hWindowDC = GetWindowDC(handle.value());
if(hWindowDC)
{
hPrevPen = SelectObject(hWindowDC, mRectanglePen);
hPrevBrush = SelectObject(hWindowDC, GetStockObject(HOLLOW_BRUSH));
// Draw a rectangle in the DC covering the entire window area of the found window.
Rectangle(hWindowDC, 0, 0, rect.right - rect.left, rect.bottom - rect.top);
SelectObject(hWindowDC, hPrevPen);
SelectObject(hWindowDC, hPrevBrush);
ReleaseDC(handle.value(), hWindowDC);
}
}