From 396a4b93d18508e4fdc7c61f2227afb39ef3e4c9 Mon Sep 17 00:00:00 2001
From: Consolatis <35009135+Consolatis@users.noreply.github.com>
Date: Mon, 22 Jan 2024 15:22:26 +0100
Subject: [PATCH] src/output.c: expose output configuration test to clients

---
 include/labwc.h |  1 +
 src/output.c    | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/include/labwc.h b/include/labwc.h
index 62b32cd1..78b8b3b6 100644
--- a/include/labwc.h
+++ b/include/labwc.h
@@ -292,6 +292,7 @@ struct server {
 
 	struct wl_listener output_layout_change;
 	struct wlr_output_manager_v1 *output_manager;
+	struct wl_listener output_manager_test;
 	struct wl_listener output_manager_apply;
 	/*
 	 * While an output layout change is in process, this counter is
diff --git a/src/output.c b/src/output.c
index 650a338e..2805b285 100644
--- a/src/output.c
+++ b/src/output.c
@@ -549,6 +549,20 @@ custom_mode_failed:
 	return false;
 }
 
+static void
+handle_output_manager_test(struct wl_listener *listener, void *data)
+{
+	struct server *server = wl_container_of(listener, server, output_manager_test);
+	struct wlr_output_configuration_v1 *config = data;
+
+	if (verify_output_config_v1(config)) {
+		wlr_output_configuration_v1_send_succeeded(config);
+	} else {
+		wlr_output_configuration_v1_send_failed(config);
+	}
+	wlr_output_configuration_v1_destroy(config);
+}
+
 static void
 handle_output_manager_apply(struct wl_listener *listener, void *data)
 {
@@ -667,6 +681,10 @@ output_manager_init(struct server *server)
 	wl_signal_add(&server->output_manager->events.apply,
 		&server->output_manager_apply);
 
+	server->output_manager_test.notify = handle_output_manager_test;
+	wl_signal_add(&server->output_manager->events.test,
+		&server->output_manager_test);
+
 	server->gamma_control_set_gamma.notify = handle_gamma_control_set_gamma;
 	wl_signal_add(&server->gamma_control_manager_v1->events.set_gamma,
 		&server->gamma_control_set_gamma);