docs: add Gtk*Class docs

https://bugzilla.gnome.org/show_bug.cgi?id=81006

1 files changed, 10 insertions, 0 deletions

diff --git a/gtk/gtkdialog.h b/gtk/gtkdialog.h
index 3761f7dc6c..3e6945bfa9 100644
--- a/gtk/gtkdialog.h
+++ b/gtk/gtkdialog.h
@@ -114,16 +114,26 @@ struct _GtkDialog
   GtkDialogPrivate *priv;
 };
 
+/**
+ * GtkDialogClass:
+ * @parent_class: The parent class.
+ * @response: Signal emitted when an action widget is activated.
+ * @close: Signal emitted when the user uses a keybinding to close the dialog.
+ */
 struct _GtkDialogClass
 {
   GtkWindowClass parent_class;
 
+  /*< public >*/
+
   void (* response) (GtkDialog *dialog, gint response_id);
 
   /* Keybinding signals */
 
   void (* close)    (GtkDialog *dialog);
 
+  /*< private >*/
+
   /* Padding for future expansion */
   void (*_gtk_reserved1) (void);
   void (*_gtk_reserved2) (void);