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