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window-actor/wayland: Do not crash when there is no monitor

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When all monitors are blanking or after suspending there might not be
any monitors temporarily. We can't draw a black background when we don't
know the size of the monitor it's fullscreen on but it's fine because
there actually is no monitor.

Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/2508
Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2695>
This commit is contained in:
Sebastian Wick 2022-11-15 00:46:14 +01:00
parent e331e38a19
commit d6d6dc65c1
1 changed files with 4 additions and 1 deletions
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3
src/compositor/meta-window-actor-wayland.c
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@ -420,6 +420,9 @@ maybe_configure_black_background (MetaWindowActorWayland *self,
geometry_scale = meta_window_actor_get_geometry_scale (window_actor);
logical_monitor = meta_window_get_main_logical_monitor (window);
if (!logical_monitor)
return FALSE;
fullscreen_layout = meta_logical_monitor_get_layout (logical_monitor);
clutter_actor_iter_init (&iter, CLUTTER_ACTOR (self->surface_container));