user32: Select/deselect edit field text when a combo box gets/loses focus

[Dmitry Timoshkov]

Hugh McMaster <hugh.mcmaster at outlook.com> wrote:

> --- a/dlls/user32/combo.c
> +++ b/dlls/user32/combo.c
> @@ -1215,7 +1215,7 @@ static LRESULT COMBO_Command( LPHEADCOMBO lphc, WPARAM wParam, HWND hWnd )
>  	   case (EN_SETFOCUS >> 8):
>  
>                 TRACE("[%p]: edit [%p] got focus\n", lphc->self, lphc->hWndEdit );
> -
> +                SendMessageW( lphc->hWndEdit, EM_SETSEL, 0, -1 );
>  		COMBO_SetFocus( lphc );
>  	        break;
>  
> @@ -1228,7 +1228,7 @@ static LRESULT COMBO_Command( LPHEADCOMBO lphc, WPARAM wParam, HWND hWnd )
>  		 * notification (only when it happens to be a part of
>  		 * the combo). ?? - AK.
>  		 */
> -
> +                SendMessageW( lphc->hWndEdit, EM_SETSEL, -1, 0 );
>  		COMBO_KillFocus( lphc );
>  		break;

These changes require tests to confirm their correctness, and the tests need
to cover the cases when a control is part of a dialog and when it's not.

-- 
Dmitry.