[PATCH weston] desktop-shell: Correctly migrate views to other outputs when output is disabled/disconnected

[Daniel Stone]

Hi Marius,

On 8 February 2018 at 16:46, Marius Vlad <marius-cristian.vlad at nxp.com> wrote:
> Our case is when the view is the same as output being disabled/disconnected.
> There's not need to check the views' output with the output being disabled
> because weston_view_assign_output() already changes the output of the view when
> the output has been disabled/disconnected hence the check is not needed at all.
>
> The views' output will always be different than the output being disabled.
>
> By the time shell_output_destroy_move_layer() gets called the views' output has
> already changed to a "free" output. Tested this by unplugging/disabling the
> output on purpose.

Right you are: weston_compositor_remove_output() already explicitly
resets view->output. shell_reposition_view_on_output_destroy() is
totally safe to call on views which are still visible somewhere else.
So this seems like the right thing to do: reviewed and pushed.

Cheers,
Daniel