From 7dfbf06de9a5659d4c73edf53c38ee07068a2877 Mon Sep 17 00:00:00 2001
From: Tony Crisci <tony@dubstepdish.com>
Date: Wed, 14 Feb 2018 14:51:51 -0500
Subject: [PATCH] output destroy

---
 include/sway/output.h |  1 +
 include/sway/server.h |  7 +++----
 sway/desktop/output.c | 12 +++++++-----
 sway/server.c         |  8 ++------
 sway/tree/container.c |  2 ++
 5 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/include/sway/output.h b/include/sway/output.h
index 7ca02d7b..95d64705 100644
--- a/include/sway/output.h
+++ b/include/sway/output.h
@@ -14,6 +14,7 @@ struct sway_output {
 	struct timespec last_frame;
 
 	struct wl_listener frame;
+	struct wl_listener output_destroy;
 };
 
 #endif
diff --git a/include/sway/server.h b/include/sway/server.h
index d497e132..1600babe 100644
--- a/include/sway/server.h
+++ b/include/sway/server.h
@@ -24,8 +24,7 @@ struct sway_server {
 
 	struct sway_input_manager *input;
 
-	struct wl_listener output_add;
-	struct wl_listener output_remove;
+	struct wl_listener new_output;
 	struct wl_listener output_frame;
 
 	struct wlr_xdg_shell_v6 *xdg_shell_v6;
@@ -45,8 +44,8 @@ bool server_init(struct sway_server *server);
 void server_fini(struct sway_server *server);
 void server_run(struct sway_server *server);
 
-void output_add_notify(struct wl_listener *listener, void *data);
-void output_remove_notify(struct wl_listener *listener, void *data);
+void handle_new_output(struct wl_listener *listener, void *data);
+void handle_output_destroy(struct wl_listener *listener, void *data);
 
 void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data);
 void handle_xwayland_surface(struct wl_listener *listener, void *data);
diff --git a/sway/desktop/output.c b/sway/desktop/output.c
index a650665f..16183870 100644
--- a/sway/desktop/output.c
+++ b/sway/desktop/output.c
@@ -243,8 +243,8 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
 	soutput->last_frame = now;
 }
 
-void output_add_notify(struct wl_listener *listener, void *data) {
-	struct sway_server *server = wl_container_of(listener, server, output_add);
+void handle_new_output(struct wl_listener *listener, void *data) {
+	struct sway_server *server = wl_container_of(listener, server, new_output);
 	struct wlr_output *wlr_output = data;
 	wlr_log(L_DEBUG, "New output %p: %s", wlr_output, wlr_output->name);
 
@@ -269,12 +269,14 @@ void output_add_notify(struct wl_listener *listener, void *data) {
 
 	sway_input_manager_configure_xcursor(input_manager);
 
-	output->frame.notify = output_frame_notify;
 	wl_signal_add(&wlr_output->events.frame, &output->frame);
+	output->frame.notify = output_frame_notify;
+
+	wl_signal_add(&wlr_output->events.destroy, &output->output_destroy);
+	output->output_destroy.notify = handle_output_destroy;
 }
 
-void output_remove_notify(struct wl_listener *listener, void *data) {
-	struct sway_server *server = wl_container_of(listener, server, output_remove);
+void handle_output_destroy(struct wl_listener *listener, void *data) {
 	struct wlr_output *wlr_output = data;
 	wlr_log(L_DEBUG, "Output %p %s removed", wlr_output, wlr_output->name);
 
diff --git a/sway/server.c b/sway/server.c
index b5eb510b..0753d37e 100644
--- a/sway/server.c
+++ b/sway/server.c
@@ -48,12 +48,8 @@ bool server_init(struct sway_server *server) {
 	server->data_device_manager =
 		wlr_data_device_manager_create(server->wl_display);
 
-	server->output_add.notify = output_add_notify;
-	wl_signal_add(&server->backend->events.output_add, &server->output_add);
-
-	server->output_remove.notify = output_remove_notify;
-	wl_signal_add(&server->backend->events.output_remove,
-			&server->output_remove);
+	server->new_output.notify = handle_new_output;
+	wl_signal_add(&server->backend->events.new_output, &server->new_output);
 
 	server->xdg_shell_v6 = wlr_xdg_shell_v6_create(server->wl_display);
 	wl_signal_add(&server->xdg_shell_v6->events.new_surface,
diff --git a/sway/tree/container.c b/sway/tree/container.c
index 48aabd86..1a468c19 100644
--- a/sway/tree/container.c
+++ b/sway/tree/container.c
@@ -235,6 +235,8 @@ swayc_t *destroy_output(swayc_t *output) {
 		}
 	}
 
+	wl_list_remove(&output->sway_output->output_destroy.link);
+
 	wlr_log(L_DEBUG, "OUTPUT: Destroying output '%s'", output->name);
 	free_swayc(output);