use wl_container_of() in output destroy callback

1 files changed, 2 insertions, 14 deletions

diff --git a/sway/desktop/output.c b/sway/desktop/output.c
index 8e0daeea..63420d0c 100644
--- a/sway/desktop/output.c
+++ b/sway/desktop/output.c
@@ -219,23 +219,11 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
 }
 
 static void handle_output_destroy(struct wl_listener *listener, void *data) {
+        struct sway_output *output = wl_container_of(listener, output, output_destroy);
         struct wlr_output *wlr_output = data;
         wlr_log(L_DEBUG, "Output %p %s removed", wlr_output, wlr_output->name);
 
-        swayc_t *output_container = NULL;
-        for (int i = 0 ; i < root_container.children->length; ++i) {
-                swayc_t *child = root_container.children->items[i];
-                if (child->type == C_OUTPUT &&
-                                child->sway_output->wlr_output == wlr_output) {
-                        output_container = child;
-                        break;
-                }
-        }
-        if (!output_container) {
-                return;
-        }
-
-        destroy_output(output_container);
+        destroy_output(output->swayc);
 }
 
 void handle_new_output(struct wl_listener *listener, void *data) {