On Fri, Nov 15, 2013 at 05:53:30PM +0100, Emilio Pozuelo Monfort wrote:
> From: Louis-Francis Ratté-Boulianne <[email protected]>
> 
> When enabled, this will make all but the keyboard-focused window dim.
> Also the background gets dimmed, if there are any windows open. The
> panel is not dimmed.
> 
> When the keyboard focus changes, the change in dimming is animated.
> 
> The dimming is implemented with transparent solid-color surfaces, two at
> most. The net effect of two overlapping dim surfaces is kept constant
> during animations (stable fade animation).
> 
> There is a new weston.ini option "focus-animation", that defaults to
> none, and can be set to "dim-layer" to enable the focus change
> animation.
> 
> [pq: Sliced, squashed, and rebased the patch series. Fixed surface alpha
> interaction with the switcher. Wrote the commit message.]
> 
> [pochu: rebased, ported to weston_view]
> ---

...

> @@ -542,10 +649,21 @@ focus_state_surface_destroy(struct wl_listener 
> *listener, void *data)
>       if (main_surface != state->keyboard_focus)
>               next = main_surface;
>  
> +     shell = state->seat->compositor->shell_interface.shell;
>       if (next) {
> -             shell = state->seat->compositor->shell_interface.shell;
> +             state->keyboard_focus = NULL;
>               activate(shell, next, state->seat);
>       } else {
> +             if (shell->focus_animation_type == ANIMATION_DIM_LAYER) {
> +                     if (state ->ws->focus_animation)

Is the space after state intentional?

> +                             
> weston_view_animation_destroy(state->ws->focus_animation);
> +
> +                     state->ws->focus_animation = weston_fade_run(
> +                             state->ws->fsurf_front->view,
> +                             state->ws->fsurf_front->view->alpha, 0.0, 300,
> +                             focus_animation_done, state->ws);
> +             }
> +
>               wl_list_remove(&state->link);
>               focus_state_destroy(state);
>       }

Bryce
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