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Fix crash with no monitors left

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When there's no monitors left, prevent the while in cleanupmon() to
become an infinite loop

Also switch to the left monitors instead of the right
This commit is contained in:
Stivvo 2020-10-31 17:10:06 +01:00
parent 5221a329e2
commit 80a685ee51
1 changed files with 3 additions and 4 deletions
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7
dwl.c
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@ -696,20 +696,19 @@ cleanupmon(struct wl_listener *listener, void *data)
{
struct wlr_output *wlr_output = data;
Monitor *m = wlr_output->data;
int nmons = wl_list_length(&mons), i = 0;
wl_list_remove(&m->destroy.link);
wl_list_remove(&m->frame.link);
wl_list_remove(&m->link);
wlr_output_layout_remove(output_layout, m->wlr_output);
updatemons();
do // don't switch to disabled mons
selmon = wl_container_of(mons.next, selmon, link);
while (!selmon->wlr_output->enabled);
selmon = wl_container_of(mons.prev, selmon, link);
while (!selmon->wlr_output->enabled && i++ < nmons);
focusclient(selclient(), focustop(selmon), 1);
closemon(m);
free(m);
}