user32: If the listbox loses focus while holding capture, release it by essentially simulating a button up event.

[Nikolay Sivov]

On 2/20/2014 15:35, Huw Davies wrote:
> ---
>   dlls/user32/listbox.c       |  1 +
>   dlls/user32/tests/listbox.c | 30 ++++++++++++++++++++++++++++++
>   2 files changed, 31 insertions(+)
>
>       case WM_KILLFOCUS:
> +        LISTBOX_HandleLButtonUp( descr ); /* Release capture if we have it */
>           descr->in_focus = FALSE;
>           descr->wheel_remain = 0;
This isn't totally correct. It's fine for when you press and hold left 
button and then change focus with Tab for example, LBN_SELCHANGE does 
indeed happen in this case. But when you just Tab away from a list with 
no mouse commands you shouldn't send LBN_SELCHANGE.