[gtk] size group: Make not subclassable

[Matthias Clasen <matthiasc src gnome org>]

commit 963152a85a9dbfea926636fa9dfa2daeca6218ec
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun May 19 17:49:07 2019 +0000

    size group: Make not subclassable
    
    Part of being more explicit about what
    we allow to be subclassed and what not.

 gtk/gtksizegroup.c |  4 ++++
 gtk/gtksizegroup.h | 15 ---------------
 2 files changed, 4 insertions(+), 15 deletions(-)
---
diff --git a/gtk/gtksizegroup.c b/gtk/gtksizegroup.c
index 6cdba27907..ba87da3ae5 100644
--- a/gtk/gtksizegroup.c
+++ b/gtk/gtksizegroup.c
@@ -102,6 +102,10 @@
  * ]|
  */
 
+struct _GtkSizeGroupClass
+{
+  GObjectClass parent_class;
+};
 
 struct _GtkSizeGroupPrivate
 {
diff --git a/gtk/gtksizegroup.h b/gtk/gtksizegroup.h
index 6067f2c653..9e78ec0f81 100644
--- a/gtk/gtksizegroup.h
+++ b/gtk/gtksizegroup.h
@@ -29,11 +29,7 @@ G_BEGIN_DECLS
 
 #define GTK_TYPE_SIZE_GROUP            (gtk_size_group_get_type ())
 #define GTK_SIZE_GROUP(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_SIZE_GROUP, 
GtkSizeGroup))
-#define GTK_SIZE_GROUP_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_SIZE_GROUP, 
GtkSizeGroupClass))
 #define GTK_IS_SIZE_GROUP(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_SIZE_GROUP))
-#define GTK_IS_SIZE_GROUP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_SIZE_GROUP))
-#define GTK_SIZE_GROUP_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_SIZE_GROUP, 
GtkSizeGroupClass))
-
 
 typedef struct _GtkSizeGroup              GtkSizeGroup;
 typedef struct _GtkSizeGroupPrivate       GtkSizeGroupPrivate;
@@ -47,17 +43,6 @@ struct _GtkSizeGroup
   GtkSizeGroupPrivate *priv;
 };
 
-struct _GtkSizeGroupClass
-{
-  GObjectClass parent_class;
-
-  /* Padding for future expansion */
-  void (*_gtk_reserved1) (void);
-  void (*_gtk_reserved2) (void);
-  void (*_gtk_reserved3) (void);
-  void (*_gtk_reserved4) (void);
-};
-
 GDK_AVAILABLE_IN_ALL
 GType            gtk_size_group_get_type      (void) G_GNUC_CONST;