Re: [PATCH 7/8] comctl32/button: Don't draw the button when losing focus before invalidating it

[Nikolay Sivov]

On 3/4/19 7:25 PM, Gabriel Ivăncescu wrote:
> @@ -772,7 +772,6 @@ static LRESULT CALLBACK BUTTON_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, L
>       case WM_KILLFOCUS:
>           TRACE("WM_KILLFOCUS %p\n",hWnd);
>           infoPtr->state &= ~BST_FOCUS;
> -        paint_button( infoPtr, btn_type, ODA_FOCUS );
>
> if ((infoPtr->state & BUTTON_BTNPRESSED) && GetCapture() == hWnd)
>               ReleaseCapture();

That looks like an artifact of user32 behavior when it often repaints 
directly without going through invalidation. If it's not how it works, 
it's obviously good to change.