Update output manager on layout change

The output manager config was not properly updated if the position
of the output got changed.

4 files changed, 13 insertions, 0 deletions

diff --git a/include/sway/output.h b/include/sway/output.h
index 3d430ea2..a5a2f29e 100644
--- a/include/sway/output.h
+++ b/include/sway/output.h
@@ -154,6 +154,8 @@ void scale_box(struct wlr_box *box, float scale);
 
 enum wlr_direction opposite_direction(enum wlr_direction d);
 
+void handle_output_layout_change(struct wl_listener *listener, void *data);
+
 void handle_output_manager_apply(struct wl_listener *listener, void *data);
 
 void handle_output_manager_test(struct wl_listener *listener, void *data);
diff --git a/include/sway/server.h b/include/sway/server.h
index fd613bb6..21661685 100644
--- a/include/sway/server.h
+++ b/include/sway/server.h
@@ -34,6 +34,7 @@ struct sway_server {
         struct sway_input_manager *input;
 
         struct wl_listener new_output;
+        struct wl_listener output_layout_change;
 
         struct wlr_idle *idle;
         struct sway_idle_inhibit_manager_v1 *idle_inhibit_manager_v1;
diff --git a/sway/desktop/output.c b/sway/desktop/output.c
index fe50759a..22ced14e 100644
--- a/sway/desktop/output.c
+++ b/sway/desktop/output.c
@@ -688,6 +688,13 @@ void handle_new_output(struct wl_listener *listener, void *data) {
         update_output_manager_config(server);
 }
 
+void handle_output_layout_change(struct wl_listener *listener,
+                void *data) {
+        struct sway_server *server =
+                wl_container_of(listener, server, output_layout_change);
+        update_output_manager_config(server);
+}
+
 void handle_output_manager_apply(struct wl_listener *listener, void *data) {
         struct sway_server *server =
                 wl_container_of(listener, server, output_manager_apply);
diff --git a/sway/server.c b/sway/server.c
index b50e3ccc..4f46a065 100644
--- a/sway/server.c
+++ b/sway/server.c
@@ -66,6 +66,9 @@ bool server_init(struct sway_server *server) {
 
         server->new_output.notify = handle_new_output;
         wl_signal_add(&server->backend->events.new_output, &server->new_output);
+        server->output_layout_change.notify = handle_output_layout_change;
+        wl_signal_add(&root->output_layout->events.change,
+                &server->output_layout_change);
 
         wlr_xdg_output_manager_v1_create(server->wl_display, root->output_layout);