From 417f0aed42959719c40f0f8ec65050dcf2510bd1 Mon Sep 17 00:00:00 2001

From: Hans de Goede <hdegoede@redhat.com>

Date: Wed, 16 May 2018 14:10:34 +0100

Subject: [PATCH 02/51] local-display-factory: Add

 gdm_local_display_factory_use_wayland() helper

Factor out the code which decides if Xorg or Wayland should be used into

a helper function.

---

 daemon/gdm-local-display-factory.c | 23 +++++++++++++++--------

 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/daemon/gdm-local-display-factory.c b/daemon/gdm-local-display-factory.c

index 1a9196ee1..b21e3aee0 100644

--- a/daemon/gdm-local-display-factory.c

+++ b/daemon/gdm-local-display-factory.c

@@ -158,60 +158,73 @@ take_next_display_number (GdmLocalDisplayFactory *factory)

                         ret = num + 1;

                         break;

                 }

         }

  out:

         /* now reserve this number */

         g_debug ("GdmLocalDisplayFactory: Reserving X display: %u", ret);

         g_hash_table_insert (factory->priv->used_display_numbers, GUINT_TO_POINTER (ret), NULL);

         return ret;

 }

 static void

 on_display_disposed (GdmLocalDisplayFactory *factory,

                      GdmDisplay             *display)

 {

         g_debug ("GdmLocalDisplayFactory: Display %p disposed", display);

 }

 static void

 store_display (GdmLocalDisplayFactory *factory,

                GdmDisplay             *display)

 {

         GdmDisplayStore *store;

         store = gdm_display_factory_get_display_store (GDM_DISPLAY_FACTORY (factory));

         gdm_display_store_add (store, display);

 }

+static gboolean

+gdm_local_display_factory_use_wayland (void)

+{

+#ifdef ENABLE_WAYLAND_SUPPORT

+        gboolean wayland_enabled = FALSE;

+        if (gdm_settings_direct_get_boolean (GDM_KEY_WAYLAND_ENABLE, &wayland_enabled)) {

+                if (wayland_enabled && g_file_test ("/usr/bin/Xwayland", G_FILE_TEST_IS_EXECUTABLE) )

+                        return TRUE;

+        }

+#endif

+        return FALSE;

+}

+

 /*

   Example:

   dbus-send --system --dest=org.gnome.DisplayManager \

   --type=method_call --print-reply --reply-timeout=2000 \

   /org/gnome/DisplayManager/Manager \

   org.gnome.DisplayManager.Manager.GetDisplays

 */

 gboolean

 gdm_local_display_factory_create_transient_display (GdmLocalDisplayFactory *factory,

                                                     char                  **id,

                                                     GError                **error)

 {

         gboolean         ret;

         GdmDisplay      *display = NULL;

         g_return_val_if_fail (GDM_IS_LOCAL_DISPLAY_FACTORY (factory), FALSE);

         ret = FALSE;

         g_debug ("GdmLocalDisplayFactory: Creating transient display");

 #ifdef ENABLE_USER_DISPLAY_SERVER

         display = gdm_local_display_new ();

 #else

         if (display == NULL) {

                 guint32 num;

                 num = take_next_display_number (factory);

                 display = gdm_legacy_display_new (num);

@@ -422,68 +435,62 @@ gdm_local_display_factory_sync_seats (GdmLocalDisplayFactory *factory)

         GVariant *array;

         GVariantIter iter;

         const char *seat;

         result = g_dbus_connection_call_sync (factory->priv->connection,

                                               "org.freedesktop.login1",

                                               "/org/freedesktop/login1",

                                               "org.freedesktop.login1.Manager",

                                               "ListSeats",

                                               NULL,

                                               G_VARIANT_TYPE ("(a(so))"),

                                               G_DBUS_CALL_FLAGS_NONE,

                                               -1,

                                               NULL, &error);

         if (!result) {

                 g_warning ("GdmLocalDisplayFactory: Failed to issue method call: %s", error->message);

                 g_clear_error (&error);

                 return FALSE;

         }

         array = g_variant_get_child_value (result, 0);

         g_variant_iter_init (&iter, array);

         while (g_variant_iter_loop (&iter, "(&so)", &seat, NULL)) {

                 gboolean is_initial;

                 const char *session_type = NULL;

                 if (g_strcmp0 (seat, "seat0") == 0) {

                         is_initial = TRUE;

-#ifdef ENABLE_WAYLAND_SUPPORT

-                        gboolean wayland_enabled = FALSE;

-                        if (gdm_settings_direct_get_boolean (GDM_KEY_WAYLAND_ENABLE, &wayland_enabled)) {

-                                if (wayland_enabled && g_file_test ("/usr/bin/Xwayland", G_FILE_TEST_IS_EXECUTABLE) ) {

-                                        session_type = "wayland";

-                                }

-                        }

-#endif

+                        if (gdm_local_display_factory_use_wayland ())

+                                session_type = "wayland";

                 } else {

                         is_initial = FALSE;

                 }

                 create_display (factory, seat, session_type, is_initial);

         }

         g_variant_unref (result);

         g_variant_unref (array);

         return TRUE;

 }

 static void

 on_seat_new (GDBusConnection *connection,

              const gchar     *sender_name,

              const gchar     *object_path,

              const gchar     *interface_name,

              const gchar     *signal_name,

              GVariant        *parameters,

              gpointer         user_data)

 {

         const char *seat;

         g_variant_get (parameters, "(&s&o)", &seat, NULL);

         create_display (GDM_LOCAL_DISPLAY_FACTORY (user_data), seat, NULL, FALSE);

 }

 static void

 on_seat_removed (GDBusConnection *connection,

                  const gchar     *sender_name,

-- 

2.27.0