4 * GTK+ widget for Clutter.
6 * Authored By Iain Holmes <iain@openedhand.com>
8 * Copyright (C) 2006 OpenedHand
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2 of the License, or (at your option) any later version.
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the
22 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 * Boston, MA 02111-1307, USA.
28 * @short_description: GTK+ widget displaying a #ClutterStage.
30 * #GtkClutter is a GTK+ widget, derived from #GtkDrawingArea that contains a
31 * #ClutterStage, allowing it to be used in a GTK+ based program like any
41 #include <gtk/gtkdrawingarea.h>
42 #include <gtk/gtkwidget.h>
44 #include <clutter/clutter-main.h>
45 #include <clutter/clutter-stage.h>
47 #include "gtk-clutter.h"
49 #define GTK_CLUTTER_GET_PRIVATE(obj) \
50 (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_CLUTTER, GtkClutterPrivate))
52 struct _GtkClutterPrivate
57 G_DEFINE_TYPE (GtkClutter, gtk_clutter, GTK_TYPE_DRAWING_AREA);
60 gtk_clutter_destroy (GtkObject *object)
62 GtkClutterPrivate *priv;
64 priv = GTK_CLUTTER (object)->priv;
68 clutter_actor_destroy (priv->stage);
72 GTK_OBJECT_CLASS (gtk_clutter_parent_class)->destroy (object);
76 gtk_clutter_size_allocate (GtkWidget *widget,
77 GtkAllocation *allocation)
79 GtkClutterPrivate *priv = GTK_CLUTTER (widget)->priv;
81 clutter_actor_set_size (priv->stage,
85 if (CLUTTER_ACTOR_IS_VISIBLE (priv->stage))
86 clutter_actor_queue_redraw (priv->stage);
90 gtk_clutter_size_request (GtkWidget *widget,
93 GtkClutterPrivate *priv;
95 priv = GTK_CLUTTER (widget)->priv;
97 req->width = clutter_actor_get_width (priv->stage);
98 req->height = clutter_actor_get_height (priv->stage);
102 gtk_clutter_realize (GtkWidget *widget)
104 GtkClutterPrivate *priv;
105 const XVisualInfo *xvinfo;
107 GdkColormap *colormap;
109 priv = GTK_CLUTTER (widget)->priv;
111 /* We need to use the colormap from the Clutter visual */
112 xvinfo = clutter_stage_get_xvisual (CLUTTER_STAGE (priv->stage));
113 visual = gdk_x11_screen_lookup_visual (gdk_screen_get_default (),
115 colormap = gdk_colormap_new (visual, FALSE);
116 gtk_widget_set_colormap (widget, colormap);
118 /* And turn off double buffering, cos GL doesn't like it */
119 gtk_widget_set_double_buffered (widget, FALSE);
121 GTK_WIDGET_CLASS (gtk_clutter_parent_class)->realize (widget);
123 gdk_window_set_back_pixmap (widget->window, NULL, FALSE);
125 priv = GTK_CLUTTER (widget)->priv;
127 clutter_stage_set_xwindow_foreign (CLUTTER_STAGE (priv->stage),
128 GDK_WINDOW_XID (widget->window));
132 gtk_clutter_class_init (GtkClutterClass *klass)
134 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
135 GtkObjectClass *object_class = GTK_OBJECT_CLASS (klass);
136 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
138 object_class->destroy = gtk_clutter_destroy;
140 widget_class->size_request = gtk_clutter_size_request;
141 widget_class->size_allocate = gtk_clutter_size_allocate;
142 widget_class->realize = gtk_clutter_realize;
144 g_type_class_add_private (gobject_class, sizeof (GtkClutterPrivate));
148 gtk_clutter_init (GtkClutter *clutter)
150 GtkClutterPrivate *priv;
152 clutter->priv = priv = GTK_CLUTTER_GET_PRIVATE (clutter);
154 gtk_widget_set_double_buffered (GTK_WIDGET (clutter), FALSE);
156 priv->stage = clutter_stage_get_default ();
160 * gtk_clutter_get_stage:
161 * @clutter: A #GtkClutter object.
163 * Obtains the #ClutterStage associated with this object.
165 * Return value: A #ClutterActor.
168 gtk_clutter_get_stage (GtkClutter *clutter)
170 g_return_val_if_fail (GTK_IS_CLUTTER (clutter), NULL);
172 return clutter->priv->stage;
176 gtk_clutter_new (void)
178 return g_object_new (GTK_TYPE_CLUTTER, NULL);