[gtk/ebassi/gidocgen: 130/500] Box GtkExpressionWatch

[Emmanuele Bassi <ebassi src gnome org>]

commit 1eb9d699b5c398d6fb9dbac62509a17593521e99
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon Feb 22 18:23:36 2021 +0000

    Box GtkExpressionWatch
    
    Otherwise bindings won't know how to deal with memory management.

 gtk/gtkexpression.c | 4 ++++
 gtk/gtkexpression.h | 6 +++++-
 2 files changed, 9 insertions(+), 1 deletion(-)
---
diff --git a/gtk/gtkexpression.c b/gtk/gtkexpression.c
index 7c3b016e1e..bbe19ad301 100644
--- a/gtk/gtkexpression.c
+++ b/gtk/gtkexpression.c
@@ -232,6 +232,10 @@ struct _GtkExpressionWatch
   guchar                 sub[0];
 };
 
+G_DEFINE_BOXED_TYPE (GtkExpressionWatch, gtk_expression_watch,
+                     gtk_expression_watch_ref,
+                     gtk_expression_watch_unref)
+
 #define GTK_EXPRESSION_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_EXPRESSION, 
GtkExpressionClass))
 
 /*< private >
diff --git a/gtk/gtkexpression.h b/gtk/gtkexpression.h
index 0862f8dd54..a2c2421cad 100644
--- a/gtk/gtkexpression.h
+++ b/gtk/gtkexpression.h
@@ -25,7 +25,9 @@
 
 G_BEGIN_DECLS
 
-#define GTK_TYPE_EXPRESSION     (gtk_expression_get_type ())
+#define GTK_TYPE_EXPRESSION (gtk_expression_get_type ())
+#define GTK_TYPE_EXPRESSION_WATCH (gtk_expression_watch_get_type())
+
 #define GTK_IS_EXPRESSION(obj)  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_EXPRESSION))
 #define GTK_EXPRESSION(obj)     (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_EXPRESSION, GtkExpression))
 
@@ -69,6 +71,8 @@ GtkExpressionWatch *    gtk_expression_bind                     (GtkExpression
                                                                  const char *                    property,
                                                                  gpointer                        this_);
 
+GDK_AVAILABLE_IN_4_2
+GType                   gtk_expression_watch_get_type           (void) G_GNUC_CONST;
 GDK_AVAILABLE_IN_ALL
 GtkExpressionWatch *    gtk_expression_watch_ref                (GtkExpressionWatch             *watch);
 GDK_AVAILABLE_IN_ALL