/*
 * Clutter.
 *
 * An OpenGL based 'interactive canvas' library.
 *
 * Authored By Matthew Allum  <mallum@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.
 */

#ifndef __CLUTTER_STAGE_H__
#define __CLUTTER_STAGE_H__

#include <clutter/clutter-group.h>
#include <clutter/clutter-color.h>
#include <clutter/clutter-event.h>
#include <gdk-pixbuf/gdk-pixbuf.h>

G_BEGIN_DECLS

#define CLUTTER_TYPE_STAGE (clutter_stage_get_type())

#define CLUTTER_STAGE(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
  CLUTTER_TYPE_STAGE, ClutterStage))

#define CLUTTER_STAGE_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST ((klass), \
  CLUTTER_TYPE_STAGE, ClutterStageClass))

#define CLUTTER_IS_STAGE(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
  CLUTTER_TYPE_STAGE))

#define CLUTTER_IS_STAGE_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_TYPE ((klass), \
  CLUTTER_TYPE_STAGE))

#define CLUTTER_STAGE_GET_CLASS(obj) \
  (G_TYPE_INSTANCE_GET_CLASS ((obj), \
  CLUTTER_TYPE_STAGE, ClutterStageClass))

#define CLUTTER_STAGE_WIDTH() \
 clutter_actor_get_width (clutter_stage_get_default ())

#define CLUTTER_STAGE_HEIGHT() \
 clutter_actor_get_height (clutter_stage_get_default ())

typedef struct _ClutterStage        ClutterStage;
typedef struct _ClutterStageClass   ClutterStageClass;
typedef struct _ClutterStagePrivate ClutterStagePrivate;

struct _ClutterStage
{
  ClutterGroup parent_instance;
  
  /*< private >*/
  ClutterStagePrivate *priv;
}; 

struct _ClutterStageClass 
{
  ClutterGroupClass parent_class;

  /* vfuncs, not signals */
  void          (* set_fullscreen)     (ClutterStage *stage,
                                        gboolean      fullscreen);
  void          (* set_cursor_visible) (ClutterStage *stage,
                                        gboolean      visible);
  void          (* set_offscreen)      (ClutterStage *stage,
                                        gboolean      offscreen);
  void          (* draw_to_pixbuf)     (ClutterStage *stage,
                                        GdkPixbuf    *dest,
                                        gint          x,
                                        gint          y,
                                        gint          width,
                                        gint          height);
  void          (* set_title)          (ClutterStage *stage,
                                        const gchar  *title);

  /* signals */
  void     (* event)                (ClutterStage           *stage,
                                     ClutterEvent           *event);
  void     (* event_after)          (ClutterStage           *stage,
                                     ClutterEvent           *event);
  void     (* button_press_event)   (ClutterStage           *stage,
			             ClutterButtonEvent     *event);
  void     (* button_release_event) (ClutterStage           *stage,
		  		     ClutterButtonEvent     *event);
  void     (* scroll_event)         (ClutterStage           *stage,
                                     ClutterScrollEvent     *event);
  void     (* key_press_event)      (ClutterStage           *stage,
		  		     ClutterKeyEvent        *event);
  void     (* key_release_event)    (ClutterStage           *stage,
		  		     ClutterKeyEvent        *event);
  void     (* motion_event)         (ClutterStage           *stage,
                                     ClutterMotionEvent     *event);
  void     (* stage_state_event)    (ClutterStage           *stage,
                                     ClutterStageStateEvent *event);

  /*< private >*/
  /* padding for future expansion */
  gpointer _padding_dummy[32];
};

#define CLUTTER_TYPE_PERSPECTIVE  (clutter_perspective_get_type ())

typedef struct _ClutterPerspective ClutterPerspective;

struct _ClutterPerspective
{
  ClutterFixed fovy;
  ClutterFixed aspect;
  ClutterFixed z_near;
  ClutterFixed z_far;
};

GType               clutter_perspective_get_type (void) G_GNUC_CONST;
ClutterPerspective *clutter_perspective_copy     (const ClutterPerspective *perspective);
void                clutter_perspective_free     (ClutterPerspective       *perspective);
GType         clutter_stage_get_type         (void) G_GNUC_CONST;

ClutterActor *clutter_stage_get_default      (void);

void          clutter_stage_set_color        (ClutterStage       *stage,
                                              const ClutterColor *color);
void          clutter_stage_get_color        (ClutterStage       *stage,
                                              ClutterColor       *color);
void          clutter_stage_set_perspectivex  (ClutterStage       *stage,
			                      ClutterPerspective *perspective);
void          clutter_stage_get_perspectivex  (ClutterStage       *stage,
			                      ClutterPerspective *perspective);
void          clutter_stage_set_perspective   (ClutterStage       *stage,
					       gfloat               fovy,
					       gfloat               aspect,
					       gfloat               z_near,
					       gfloat               z_far);
void          clutter_stage_get_perspective   (ClutterStage       *stage,
					       gfloat             *fovy,
					       gfloat             *aspect,
					       gfloat             *z_near,
					       gfloat             *z_far);
void          clutter_stage_fullscreen       (ClutterStage       *stage);
void          clutter_stage_unfullscreen     (ClutterStage       *stage);
void          clutter_stage_show_cursor      (ClutterStage       *stage);
void          clutter_stage_hide_cursor      (ClutterStage       *stage);

ClutterActor *clutter_stage_get_actor_at_pos (ClutterStage       *stage,
                                              gint                x,
                                              gint                y);
GdkPixbuf *   clutter_stage_snapshot         (ClutterStage       *stage,
                                              gint                x,
                                              gint                y,
                                              gint                width,
                                              gint                height);
gboolean      clutter_stage_event            (ClutterStage       *stage,
                                              ClutterEvent       *event);

void          clutter_stage_set_title        (ClutterStage       *stage,
                                              const gchar        *title);
G_CONST_RETURN gchar *clutter_stage_get_title (ClutterStage       *stage);

G_END_DECLS

#endif /* __CLUTTER_STAGE_H__ */