From a001dbae590d13a3d6e75db75f34c80260468446 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Wed, 7 Jul 2021 16:54:53 +0200
Subject: [PATCH] kms: Add 'device-added' signal

This signals when there was a mode setting device added.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3746>
---
 src/backends/native/meta-kms.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/backends/native/meta-kms.c b/src/backends/native/meta-kms.c
index d41fcefb5..47702c556 100644
--- a/src/backends/native/meta-kms.c
+++ b/src/backends/native/meta-kms.c
@@ -34,6 +34,7 @@
 enum
 {
   RESOURCES_CHANGED,
+  DEVICE_ADDED,
 
   N_SIGNALS
 };
@@ -336,6 +337,8 @@ meta_kms_create_device (MetaKms            *kms,
 
   kms->devices = g_list_append (kms->devices, device);
 
+  g_signal_emit (kms, signals[DEVICE_ADDED], 0, device);
+
   return device;
 }
 
@@ -452,6 +455,15 @@ meta_kms_class_init (MetaKmsClass *klass)
                   G_TYPE_NONE, 1,
                   META_TYPE_KMS_RESOURCE_CHANGES);
 
+  signals[DEVICE_ADDED] =
+    g_signal_new ("device-added",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST,
+                  0,
+                  NULL, NULL, NULL,
+                  G_TYPE_NONE, 1,
+                  META_TYPE_KMS_DEVICE);
+
   meta_thread_class_register_impl_type (thread_class, META_TYPE_KMS_IMPL);
 }