1 /* container.c : Glue for GtkContainer
2 *
3 * Author: Mike Kestner (mkestner@ximian.com)
4 *
5 * Copyright (C) 2004 Novell, Inc.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of version 2 of the Lesser GNU General
9 * Public License as published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this program; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
20 */
21
22 #include <gtk/gtk.h>
23 #include <string.h>
24
25 void gtksharp_container_base_forall (GtkContainer *container, gboolean include_internals, GtkCallback cb, gpointer data);
26
27 void
gtksharp_container_base_forall(GtkContainer * container,gboolean include_internals,GtkCallback cb,gpointer data)28 gtksharp_container_base_forall (GtkContainer *container, gboolean include_internals, GtkCallback cb, gpointer data)
29 {
30 // Find and call the first base callback that's not the GTK# callback. The GTK# callback calls down the whole
31 // managed override chain, so calling it on a subclass-of-a-managed-container-subclass causes a stack overflow.
32 GtkContainerClass *parent = (GtkContainerClass *) G_OBJECT_GET_CLASS (container);
33 while ((parent = g_type_class_peek_parent (parent))) {
34 if (strncmp (G_OBJECT_CLASS_NAME (parent), "__gtksharp_", 11) != 0) {
35 if (parent->forall) {
36 (*parent->forall) (container, include_internals, cb, data);
37 }
38 return;
39 }
40 }
41 }
42
43 void gtksharp_container_override_forall (GType gtype, gpointer cb);
44
45 void
gtksharp_container_override_forall(GType gtype,gpointer cb)46 gtksharp_container_override_forall (GType gtype, gpointer cb)
47 {
48 GtkContainerClass *klass = g_type_class_peek (gtype);
49 if (!klass)
50 klass = g_type_class_ref (gtype);
51 ((GtkContainerClass *) klass)->forall = cb;
52 }
53
54 void gtksharp_container_invoke_gtk_callback (GtkCallback cb, GtkWidget *widget, gpointer data);
55
56 void
gtksharp_container_invoke_gtk_callback(GtkCallback cb,GtkWidget * widget,gpointer data)57 gtksharp_container_invoke_gtk_callback (GtkCallback cb, GtkWidget *widget, gpointer data)
58 {
59 cb (widget, data);
60 }
61
62 void gtksharp_container_child_get_property (GtkContainer *container, GtkWidget *child,
63 const gchar* property, GValue *value);
64
65 void
gtksharp_container_child_get_property(GtkContainer * container,GtkWidget * child,const gchar * property,GValue * value)66 gtksharp_container_child_get_property (GtkContainer *container, GtkWidget *child,
67 const gchar* property, GValue *value)
68 {
69 GParamSpec *spec = gtk_container_class_find_child_property (G_OBJECT_GET_CLASS (container), property);
70 g_value_init (value, spec->value_type);
71 gtk_container_child_get_property (container, child, property, value);
72 }
73
74