swaybar: send signal to status when hiding or showing bar

2 files changed, 18 insertions, 0 deletions

diff --git a/swaybar/bar.c b/swaybar/bar.c
index 6894383d..f636f0c9 100644
--- a/swaybar/bar.c
+++ b/swaybar/bar.c
@@ -396,6 +396,10 @@ bool determine_bar_visibility(struct swaybar *bar, bool moving_layer) {
                                 destroy_layer_surface(output);
                         }
                 }
+                wlr_log(WLR_DEBUG, "Sending %s signal to status command",
+                                visible ? "cont" : "stop");
+                kill(bar->status->pid,
+                                visible ? bar->status->cont_signal : bar->status->stop_signal);
         }
         return visible;
 }
diff --git a/swaybar/status_line.c b/swaybar/status_line.c
index ed6dc7c8..000609ce 100644
--- a/swaybar/status_line.c
+++ b/swaybar/status_line.c
@@ -83,6 +83,17 @@ bool status_handle_readable(struct status_line *status) {
                                         return true;
                                 }
                         }
+
+                        json_object *signal;
+                        if (json_object_object_get_ex(header, "stop_signal", &signal)) {
+                                status->stop_signal = json_object_get_int(signal);
+                                wlr_log(WLR_DEBUG, "Setting stop signal to %d", status->stop_signal);
+                        }
+                        if (json_object_object_get_ex(header, "cont_signal", &signal)) {
+                                status->cont_signal = json_object_get_int(signal);
+                                wlr_log(WLR_DEBUG, "Setting cont signal to %d", status->cont_signal);
+                        }
+
                         json_object_put(header);
 
                         wl_list_init(&status->blocks);
@@ -121,6 +132,9 @@ bool status_handle_readable(struct status_line *status) {
 
 struct status_line *status_line_init(char *cmd) {
         struct status_line *status = calloc(1, sizeof(struct status_line));
+        status->stop_signal = SIGSTOP;
+        status->cont_signal = SIGCONT;
+
         status->buffer_size = 8192;
         status->buffer = malloc(status->buffer_size);