Re: user32: static controls should have a clipping region set while sending the WM_CTLCOLORSTATIC (patch)

[Alexandre Julliard]

"Mikolaj Zalewski"  writes:
> +static void setup_clipping(HWND hwnd, HDC hdc)
> +{
> - RECT rc;
> - HRGN hrgn;
> -
> - /* Native control has always a clipping region set when sending
> -
> * the WM_CTLCOLORSTATIC and an application depends on it
> -
> */
> - GetClientRect(hwnd, &rc);
> - hrgn = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);
> - if (GetClipRgn(hdc, hrgn) == 0)
> -
>    SelectClipRgn(hdc, hrgn);
> - DeleteObject(hrgn);
>
> +}

You need to set the region in all cases, intersecting with the
existing one if any. Also you need to restore the previous region
after painting.