// Like UpdateNonClientArea, but sets up a clipping region to just update the system buttons
void cef_dark_window::UpdateNonClientButtons ()
{
// create a simple clipping region
// that only includes the system buttons (min/max/restore/close)
HDC hdc = GetWindowDC();
RECT rectCloseButton ;
ComputeCloseButtonRect (rectCloseButton) ;
RECT rectMaximizeButton ;
ComputeMaximizeButtonRect (rectMaximizeButton) ;
RECT rectMinimizeButton ;
ComputeMinimizeButtonRect (rectMinimizeButton) ;
RECT rectWindow ;
ComputeLogicalWindowRect (rectWindow) ;
::ExcludeClipRect (hdc, rectWindow.left, rectWindow.top, rectWindow.right, rectWindow.bottom);
RECT rectButtons;
rectButtons.top = rectCloseButton.top;
rectButtons.right = rectCloseButton.right;
rectButtons.bottom = rectCloseButton.bottom;
rectButtons.left = rectMinimizeButton.left;
HRGN hrgnUpdate = ::CreateRectRgnIndirect(&rectButtons);
if (::SelectClipRgn(hdc, hrgnUpdate) != NULLREGION) {
DoPaintNonClientArea(hdc);
}
::DeleteObject(hrgnUpdate);
ReleaseDC(hdc);
}
// WM_PAINT handler
// since we're extending the client area into the non-client
// area, we have to draw all of the non-clinet stuff during
// WM_PAINT
BOOL cef_dark_aero_window::HandlePaint()
{
PAINTSTRUCT ps;
HDC hdc = BeginPaint(&ps);
DoPaintNonClientArea(hdc);
EndPaint(&ps);
return TRUE;
}
// WM_NCPAINT handler
BOOL cef_dark_window::HandleNcPaint(HRGN hUpdateRegion)
{
HDC hdc = GetDCEx(hUpdateRegion, DCX_WINDOW|DCX_INTERSECTRGN|DCX_USESTYLE);
DoPaintNonClientArea(hdc);
ReleaseDC(hdc);
return TRUE;
}
// Force Drawing the non-client area.
// Normally WM_NCPAINT is used but there are times when you
// need to force drawing the entire non-client area when
// legacy windows message handlers start drawing non-client
// artifacts over top of us
void cef_dark_aero_window::UpdateNonClientArea()
{
if (CanUseAeroGlass()) {
HDC hdc = GetDC();
DoPaintNonClientArea(hdc);
ReleaseDC(hdc);
} else {
cef_dark_window::UpdateNonClientArea();
}
}
// Force Drawing the non-client area.
// Normally WM_NCPAINT is used but there are times when you
// need to force drawing the entire non-client area when
// legacy windows message handlers start drawing non-client
// artifacts over top of us
void cef_dark_window::UpdateNonClientArea()
{
HDC hdc = GetWindowDC();
DoPaintNonClientArea(hdc);
ReleaseDC(hdc);
}
