swaybar: allow null status_command

Sway sets a default status_command which runs date every second. This
patch removes this behaviour so the user can have a NULL status bar if
desired.

I had to swap swaybar's event_loop_poll and wl_display_flush so that it
would map the initial surface.

1 files changed, 2 insertions, 2 deletions

diff --git a/sway/ipc-json.c b/sway/ipc-json.c
index 7c5a0a5d..f02f370b 100644
--- a/sway/ipc-json.c
+++ b/sway/ipc-json.c
@@ -514,8 +514,8 @@ json_object *ipc_json_describe_bar_config(struct bar_config *bar) {
                         json_object_new_string(bar->hidden_state));
         json_object_object_add(json, "position",
                         json_object_new_string(bar->position));
-        json_object_object_add(json, "status_command",
-                        json_object_new_string(bar->status_command));
+        json_object_object_add(json, "status_command", bar->status_command ?
+                        json_object_new_string(bar->status_command) : NULL);
         json_object_object_add(json, "font",
                         json_object_new_string((bar->font) ? bar->font : config->font));
         if (bar->separator_symbol) {