swaybar: don't wl_display_roundtrip on each frame

This was the source of numerous bugs, from hotplug events not being
received to segfaults because wl_display_roundtrip was making the
bar process unplug events while blocking in an iteration over all
outputs.

1 files changed, 1 insertions, 0 deletions

diff --git a/swaybar/bar.c b/swaybar/bar.c
index 49a8ece1..69069f40 100644
--- a/swaybar/bar.c
+++ b/swaybar/bar.c
@@ -558,6 +558,7 @@ void bar_run(struct swaybar *bar) {
         }
         while (1) {
                 event_loop_poll();
+                wl_display_flush(bar->display);
         }
 }