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/*
* GTK-Clutter.
*
* GTK+ widget for Clutter.
*
* Authored By Iain Holmes <iain@openedhand.com>
*
* Copyright (C) 2006 OpenedHand
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/**
* SECTION:gtk-clutter
* @short_description: GTK+ widget displaying a #ClutterStage.
*
* #GtkClutter is a GTK+ widget, derived from #GtkDrawingArea that contains a
* #ClutterStage, allowing it to be used in a GTK+ based program like any
* normal GTK+ widget.
*/
#include "config.h"
#include <gdk/gdkx.h>
#include <gtk/gtkdrawingarea.h>
#include <gtk/gtkwidget.h>
#include <clutter/clutter-main.h>
#include <clutter/clutter-stage.h>
#include "gtk-clutter.h"
#define GTK_CLUTTER_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_CLUTTER, GtkClutterPrivate))
struct _GtkClutterPrivate {
ClutterActor *stage;
};
static GtkDrawingAreaClass *parent_class;
static void
dispose (GObject *object)
{
GtkClutter *clutter;
GtkClutterPrivate *priv;
clutter = GTK_CLUTTER (object);
priv = GTK_CLUTTER_GET_PRIVATE (clutter);
if (priv->stage) {
g_object_unref (G_OBJECT (priv->stage));
priv->stage = NULL;
}
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
size_request (GtkWidget *widget,
GtkRequisition *req)
{
GtkClutter *clutter;
GtkClutterPrivate *priv;
clutter = GTK_CLUTTER (widget);
priv = GTK_CLUTTER_GET_PRIVATE (clutter);
req->width = 800;
req->height = 600;
}
static void
realize (GtkWidget *widget)
{
GtkClutter *clutter;
GtkClutterPrivate *priv;
XVisualInfo *xvinfo;
GdkVisual *visual;
GdkColormap *colormap;
gboolean foreign_success;
clutter = GTK_CLUTTER (widget);
priv = GTK_CLUTTER_GET_PRIVATE (clutter);
/* We need to use the colormap from the Clutter visual */
xvinfo = clutter_stage_get_xvisual (CLUTTER_STAGE (priv->stage));
visual = gdk_x11_screen_lookup_visual (gdk_screen_get_default (),
xvinfo->visualid);
colormap = gdk_colormap_new (visual, FALSE);
gtk_widget_set_colormap (widget, colormap);
/* And turn off double buffering, cos GL doesn't like it */
gtk_widget_set_double_buffered (widget, FALSE);
GTK_WIDGET_CLASS (parent_class)->realize (widget);
gdk_window_set_back_pixmap (widget->window, NULL, FALSE);
clutter = GTK_CLUTTER (widget);
priv = GTK_CLUTTER_GET_PRIVATE (clutter);
clutter_stage_set_xwindow_foreign (CLUTTER_STAGE (priv->stage),
GDK_WINDOW_XID (widget->window));
}
static void
gtk_clutter_class_init (GtkClutterClass *klass)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
GtkWidgetClass *widget_class = (GtkWidgetClass *) klass;
gobject_class->dispose = dispose;
widget_class->size_request = size_request;
widget_class->realize = realize;
g_type_class_add_private (gobject_class, sizeof (GtkClutterPrivate));
parent_class = g_type_class_peek_parent (klass);
}
static void
gtk_clutter_init (GtkClutter *clutter)
{
GtkClutterPrivate *priv;
clutter->priv = priv = GTK_CLUTTER_GET_PRIVATE (clutter);
gtk_widget_set_double_buffered (GTK_WIDGET (clutter), FALSE);
priv->stage = clutter_stage_get_default ();
}
G_DEFINE_TYPE (GtkClutter, gtk_clutter, GTK_TYPE_DRAWING_AREA);
/**
* gtk_clutter_get_stage:
* @clutter: A #GtkClutter object.
*
* Obtains the #ClutterStage associated with this object.
*
* Return value: A #ClutterActor.
*/
ClutterActor *
gtk_clutter_get_stage (GtkClutter *clutter)
{
g_return_val_if_fail (GTK_IS_CLUTTER (clutter), NULL);
return clutter->priv->stage;
}
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