Move swaybar's event loop to common directory and refactor

* The loop functions are now prefixed with `loop_`.
* It is now easy to add timers to the loop.
* Timers are implemented using pollfd and timerfd, rather than manually
checking them when any other event happens to arrive.

1 files changed, 5 insertions, 0 deletions

diff --git a/include/swaybar/bar.h b/include/swaybar/bar.h
index 9ff3fe7b..d61da5dc 100644
--- a/include/swaybar/bar.h
+++ b/include/swaybar/bar.h
@@ -8,6 +8,8 @@
 struct swaybar_config;
 struct swaybar_output;
 struct swaybar_workspace;
+struct loop;
+struct loop_event;
 
 struct swaybar_pointer {
 	struct wl_pointer *pointer;
@@ -66,6 +68,9 @@ struct swaybar {
 	struct swaybar_pointer pointer;
 	struct status_line *status;
 
+	struct loop *eventloop;
+	struct loop_event *status_event;
+
 	int ipc_event_socketfd;
 	int ipc_socketfd;