docs: add Gtk*Class docs

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

1 files changed, 11 insertions, 0 deletions

diff --git a/gtk/gtkcombobox.h b/gtk/gtkcombobox.h
index c3c89196a6..a4277121a2 100644
--- a/gtk/gtkcombobox.h
+++ b/gtk/gtkcombobox.h
@@ -47,15 +47,26 @@ struct _GtkComboBox
   GtkComboBoxPrivate *priv;
 };
 
+/**
+ * GtkComboBoxClass:
+ * @parent_class: The parent class.
+ * @changed: Signal is emitted when the active item is changed.
+ * @format_entry_text: Signal which allows you to change how the text
+ *    displayed in a combo box's entry is displayed.
+ */
 struct _GtkComboBoxClass
 {
   GtkBinClass parent_class;
 
+  /*< public >*/
+
   /* signals */
   void     (* changed)           (GtkComboBox *combo_box);
   gchar   *(* format_entry_text) (GtkComboBox *combo_box,
 				  const gchar *path);
 
+  /*< private >*/
+
   /* Padding for future expansion */
   void (*_gtk_reserved1) (void);
   void (*_gtk_reserved2) (void);