shell: Fix 2 switcher crashes.

In case of no regular window, switcher will crash in switch_next()
due to "next == NULL" and in switcher_destroy() due to
"switcher->current == NULL".
dev
Alex Wu 13 years ago committed by Kristian Høgsberg
parent e7ad5cdcd2
commit 07b2606c7a
  1. 6
      src/shell.c

@ -1840,6 +1840,9 @@ switcher_next(struct switcher *switcher)
if (next == NULL)
next = first;
if (next == NULL)
return;
wl_list_remove(&switcher->listener.link);
wl_list_insert(next->surface.resource.destroy_listener_list.prev,
&switcher->listener.link);
@ -1871,7 +1874,8 @@ switcher_destroy(struct switcher *switcher, uint32_t time)
weston_surface_damage(surface);
}
activate(compositor->shell, switcher->current, device, time);
if (switcher->current)
activate(compositor->shell, switcher->current, device, time);
wl_list_remove(&switcher->listener.link);
wl_input_device_end_keyboard_grab(&device->input_device, time);
free(switcher);

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