/*
* 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, see <http://www.gnu.org/licenses/>.
*/
#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
#error "Only <clutter/clutter.h> can be included directly."
#endif
#ifndef __CLUTTER_STAGE_H__
#define __CLUTTER_STAGE_H__
#include <clutter/clutter-types.h>
#include <clutter/clutter-group.h>
#include <clutter/clutter-color.h>
#include <clutter/clutter-event.h>
G_BEGIN_DECLS
#define CLUTTER_TYPE_PERSPECTIVE (clutter_perspective_get_type ())
#define CLUTTER_TYPE_FOG (clutter_fog_get_type ())
#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))
#ifndef CLUTTER_DISABLE_DEPRECATED
/**
* CLUTTER_STAGE_WIDTH:
*
* Macro that evaluates to the width of the default stage
*
* Since: 0.2
*
* Deprecated: 1.2: Use clutter_actor_get_width() instead
*/
#define CLUTTER_STAGE_WIDTH() (clutter_actor_get_width (clutter_stage_get_default ()))
/**
* CLUTTER_STAGE_HEIGHT:
*
* Macro that evaluates to the height of the default stage
*
* Since: 0.2
*
* Deprecated: 1.2: use clutter_actor_get_height() instead
*/
#define CLUTTER_STAGE_HEIGHT() (clutter_actor_get_height (clutter_stage_get_default ()))
#endif /* !CLUTTER_DISABLE_DEPRECATED */
/**
* ClutterPickMode:
* @CLUTTER_PICK_NONE: Do not paint any actor
* @CLUTTER_PICK_REACTIVE: Paint only the reactive actors
* @CLUTTER_PICK_ALL: Paint all actors
*
* Controls the paint cycle of the scene graph when in pick mode
*
* Since: 1.0
*/
typedef enum {
CLUTTER_PICK_NONE = 0,
CLUTTER_PICK_REACTIVE,
CLUTTER_PICK_ALL
} ClutterPickMode;
typedef struct _ClutterPerspective ClutterPerspective;
typedef struct _ClutterFog ClutterFog;
typedef struct _ClutterStageClass ClutterStageClass;
typedef struct _ClutterStagePrivate ClutterStagePrivate;
/**
* ClutterStage:
*
* The #ClutterStage structure contains only private data
* and should be accessed using the provided API
*
* Since: 0.1
*/
struct _ClutterStage
{
/*< private >*/
ClutterGroup parent_instance;
ClutterStagePrivate *priv;
};
/**
* ClutterStageClass:
* @fullscreen: handler for the #ClutterStage::fullscreen signal
* @unfullscreen: handler for the #ClutterStage::unfullscreen signal
* @activate: handler for the #ClutterStage::activate signal
* @deactivate: handler for the #ClutterStage::deactivate signal
* @delete_event: handler for the #ClutterStage::delete-event signal
*
* The #ClutterStageClass structure contains only private data
*
* Since: 0.1
*/
struct _ClutterStageClass
{
/*< private >*/
ClutterGroupClass parent_class;
/*< public >*/
/* signals */
void (* fullscreen) (ClutterStage *stage);
void (* unfullscreen) (ClutterStage *stage);
void (* activate) (ClutterStage *stage);
void (* deactivate) (ClutterStage *stage);
gboolean (* delete_event) (ClutterStage *stage,
ClutterEvent *event);
/*< private >*/
/* padding for future expansion */
gpointer _padding_dummy[31];
};
/**
* ClutterPerspective:
* @fovy: the field of view angle, in degrees, in the y direction
* @aspect: the aspect ratio that determines the field of view in the x
* direction. The aspect ratio is the ratio of x (width) to y (height)
* @z_near: the distance from the viewer to the near clipping
* plane (always positive)
* @z_far: the distance from the viewer to the far clipping
* plane (always positive)
*
* Stage perspective definition. #ClutterPerspective is only used by
* the fixed point version of clutter_stage_set_perspective().
*
* Since: 0.4
*/
struct _ClutterPerspective
{
gfloat fovy;
gfloat aspect;
gfloat z_near;
gfloat z_far;
};
/**
* ClutterFog:
* @z_near: starting distance from the viewer to the near clipping
* plane (always positive)
* @z_far: final distance from the viewer to the far clipping
* plane (always positive)
*
* Fog settings used to create the depth cueing effect.
*
* Since: 0.6
*/
struct _ClutterFog
{
gfloat z_near;
gfloat z_far;
};
GType clutter_perspective_get_type (void) G_GNUC_CONST;
GType clutter_fog_get_type (void) G_GNUC_CONST;
GType clutter_stage_get_type (void) G_GNUC_CONST;
ClutterActor *clutter_stage_get_default (void);
ClutterActor *clutter_stage_new (void);
void clutter_stage_set_color (ClutterStage *stage,
const ClutterColor *color);
void clutter_stage_get_color (ClutterStage *stage,
ClutterColor *color);
void clutter_stage_set_perspective (ClutterStage *stage,
ClutterPerspective *perspective);
void clutter_stage_get_perspective (ClutterStage *stage,
ClutterPerspective *perspective);
void clutter_stage_set_fullscreen (ClutterStage *stage,
gboolean fullscreen);
gboolean clutter_stage_get_fullscreen (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,
ClutterPickMode pick_mode,
gint x,
gint y);
guchar * clutter_stage_read_pixels (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);
void clutter_stage_set_user_resizable (ClutterStage *stage,
gboolean resizable);
gboolean clutter_stage_get_user_resizable (ClutterStage *stage);
void clutter_stage_set_use_fog (ClutterStage *stage,
gboolean fog);
gboolean clutter_stage_get_use_fog (ClutterStage *stage);
void clutter_stage_set_fog (ClutterStage *stage,
ClutterFog *fog);
void clutter_stage_get_fog (ClutterStage *stage,
ClutterFog *fog);
void clutter_stage_set_key_focus (ClutterStage *stage,
ClutterActor *actor);
ClutterActor * clutter_stage_get_key_focus (ClutterStage *stage);
void clutter_stage_ensure_current (ClutterStage *stage);
void clutter_stage_queue_redraw (ClutterStage *stage);
gboolean clutter_stage_is_default (ClutterStage *stage);
void clutter_stage_ensure_viewport (ClutterStage *stage);
void clutter_stage_ensure_redraw (ClutterStage *stage);
void clutter_stage_set_throttle_motion_events (ClutterStage *stage,
gboolean throttle);
gboolean clutter_stage_get_throttle_motion_events (ClutterStage *stage);
void clutter_stage_set_use_alpha (ClutterStage *stage,
gboolean use_alpha);
gboolean clutter_stage_get_use_alpha (ClutterStage *stage);
void clutter_stage_set_minimum_size (ClutterStage *stage,
guint width,
guint height);
void clutter_stage_get_minimum_size (ClutterStage *stage,
guint *width,
guint *height);
void clutter_stage_set_no_clear_hint (ClutterStage *stage,
gboolean no_clear);
gboolean clutter_stage_get_no_clear_hint (ClutterStage *stage);
/* Commodity macro, for mallum only */
#define clutter_stage_add(stage,actor) G_STMT_START { \
if (CLUTTER_IS_STAGE ((stage)) && CLUTTER_IS_ACTOR ((actor))) \
{ \
ClutterContainer *_container = (ClutterContainer *) (stage); \
ClutterActor *_actor = (ClutterActor *) (actor); \
clutter_container_add_actor (_container, _actor); \
} } G_STMT_END
G_END_DECLS
#endif /* __CLUTTER_STAGE_H__ */