[gdm/wip/nielsdg/add-private-deprecated: 11/20] settings-backend: use G_DECLARE_DERIVABLE_TYPE

[Niels De Graef <nielsdg src gnome org>]

commit 445454f2f45bf11d912beb4b6ddfe43405ee961f
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Sun Dec 23 17:55:27 2018 +0100

    settings-backend: use G_DECLARE_DERIVABLE_TYPE

 common/gdm-settings-backend.c | 17 -----------------
 common/gdm-settings-backend.h | 21 ++++-----------------
 2 files changed, 4 insertions(+), 34 deletions(-)
---
diff --git a/common/gdm-settings-backend.c b/common/gdm-settings-backend.c
index 9b4392fa..5ad30222 100644
--- a/common/gdm-settings-backend.c
+++ b/common/gdm-settings-backend.c
@@ -35,13 +35,6 @@
 
 #include "gdm-settings-backend.h"
 
-#define GDM_SETTINGS_BACKEND_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_SETTINGS_BACKEND, 
GdmSettingsBackendPrivate))
-
-struct GdmSettingsBackendPrivate
-{
-        gpointer dummy;
-};
-
 enum {
         VALUE_CHANGED,
         LAST_SIGNAL
@@ -156,27 +149,17 @@ gdm_settings_backend_class_init (GdmSettingsBackendClass *klass)
                               G_TYPE_STRING,
                               G_TYPE_STRING,
                               G_TYPE_STRING);
-
-        g_type_class_add_private (klass, sizeof (GdmSettingsBackendPrivate));
 }
 
 static void
 gdm_settings_backend_init (GdmSettingsBackend *settings_backend)
 {
-        settings_backend->priv = GDM_SETTINGS_BACKEND_GET_PRIVATE (settings_backend);
 }
 
 static void
 gdm_settings_backend_finalize (GObject *object)
 {
-        GdmSettingsBackend *settings_backend;
-
-        g_return_if_fail (object != NULL);
         g_return_if_fail (GDM_IS_SETTINGS_BACKEND (object));
 
-        settings_backend = GDM_SETTINGS_BACKEND (object);
-
-        g_return_if_fail (settings_backend->priv != NULL);
-
         G_OBJECT_CLASS (gdm_settings_backend_parent_class)->finalize (object);
 }
diff --git a/common/gdm-settings-backend.h b/common/gdm-settings-backend.h
index 199b26b2..34996902 100644
--- a/common/gdm-settings-backend.h
+++ b/common/gdm-settings-backend.h
@@ -26,22 +26,10 @@
 
 G_BEGIN_DECLS
 
-#define GDM_TYPE_SETTINGS_BACKEND         (gdm_settings_backend_get_type ())
-#define GDM_SETTINGS_BACKEND(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), GDM_TYPE_SETTINGS_BACKEND, 
GdmSettingsBackend))
-#define GDM_SETTINGS_BACKEND_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), GDM_TYPE_SETTINGS_BACKEND, 
GdmSettingsBackendClass))
-#define GDM_IS_SETTINGS_BACKEND(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), GDM_TYPE_SETTINGS_BACKEND))
-#define GDM_IS_SETTINGS_BACKEND_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), GDM_TYPE_SETTINGS_BACKEND))
-#define GDM_SETTINGS_BACKEND_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GDM_TYPE_SETTINGS_BACKEND, 
GdmSettingsBackendClass))
+#define GDM_TYPE_SETTINGS_BACKEND (gdm_settings_backend_get_type ())
+G_DECLARE_DERIVABLE_TYPE (GdmSettingsBackend, gdm_settings_backend, GDM, SETTINGS_BACKEND, GObject)
 
-typedef struct GdmSettingsBackendPrivate GdmSettingsBackendPrivate;
-
-typedef struct
-{
-        GObject             parent;
-        GdmSettingsBackendPrivate *priv;
-} GdmSettingsBackend;
-
-typedef struct
+struct _GdmSettingsBackendClass
 {
         GObjectClass   parent_class;
 
@@ -60,7 +48,7 @@ typedef struct
                                             const char  *key,
                                             const char  *old_value,
                                             const char **new_value);
-} GdmSettingsBackendClass;
+};
 
 typedef enum
 {
@@ -71,7 +59,6 @@ typedef enum
 #define GDM_SETTINGS_BACKEND_ERROR gdm_settings_backend_error_quark ()
 
 GQuark              gdm_settings_backend_error_quark            (void);
-GType               gdm_settings_backend_get_type               (void);
 
 gboolean            gdm_settings_backend_get_value              (GdmSettingsBackend *settings_backend,
                                                                  const char  *key,