9229fb6114
The usual pre-release documentation blitzing. Most of the remaining symbols are either COGL or X11 specific, or dummy interface typedefs.
241 lines
8.4 KiB
C
241 lines
8.4 KiB
C
/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Authored By Matthew Allum <mallum@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, see <http://www.gnu.org/licenses/>.
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*/
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#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
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#error "Only <clutter/clutter.h> can be included directly."
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#endif
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#ifndef __CLUTTER_STAGE_H__
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#define __CLUTTER_STAGE_H__
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#include <clutter/clutter-types.h>
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#include <clutter/clutter-group.h>
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#include <clutter/clutter-color.h>
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#include <clutter/clutter-event.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_PERSPECTIVE (clutter_perspective_get_type ())
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#define CLUTTER_TYPE_FOG (clutter_fog_get_type ())
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#define CLUTTER_TYPE_STAGE (clutter_stage_get_type())
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#define CLUTTER_STAGE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), \
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CLUTTER_TYPE_STAGE, ClutterStage))
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#define CLUTTER_STAGE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), \
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CLUTTER_TYPE_STAGE, ClutterStageClass))
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#define CLUTTER_IS_STAGE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
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CLUTTER_TYPE_STAGE))
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#define CLUTTER_IS_STAGE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), \
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CLUTTER_TYPE_STAGE))
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#define CLUTTER_STAGE_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), \
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CLUTTER_TYPE_STAGE, ClutterStageClass))
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/**
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* CLUTTER_STAGE_WIDTH:
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*
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* Macro that evaluates to the width of the default stage
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*
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* Since: 0.2
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*/
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#define CLUTTER_STAGE_WIDTH() \
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(clutter_actor_get_width (clutter_stage_get_default ()))
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/**
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* CLUTTER_STAGE_HEIGHT:
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*
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* Macro that evaluates to the height of the default stage
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*
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* Since: 0.2
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*/
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#define CLUTTER_STAGE_HEIGHT() \
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(clutter_actor_get_height (clutter_stage_get_default ()))
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typedef struct _ClutterPerspective ClutterPerspective;
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typedef struct _ClutterFog ClutterFog;
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typedef struct _ClutterStageClass ClutterStageClass;
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typedef struct _ClutterStagePrivate ClutterStagePrivate;
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/**
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* ClutterStage:
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*
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* The #ClutterStage structure contains only private data
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* and should be accessed using the provided API
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*
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* Since: 0.1
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*/
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struct _ClutterStage
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{
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/*< private >*/
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ClutterGroup parent_instance;
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ClutterStagePrivate *priv;
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};
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/**
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* ClutterStageClass:
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* @fullscreen: handler for the #ClutterStage::fullscreen signal
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* @unfullscreen: handler for the #ClutterStage::unfullscreen signal
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* @activate: handler for the #ClutterStage::activate signal
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* @deactivate: handler for the #ClutterStage::deactive signal
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*
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* The #ClutterStageClass structure contains only private data
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*
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* Since: 0.1
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*/
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struct _ClutterStageClass
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{
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/*< private >*/
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ClutterGroupClass parent_class;
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/*< public >*/
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/* signals */
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void (* fullscreen) (ClutterStage *stage);
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void (* unfullscreen) (ClutterStage *stage);
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void (* activate) (ClutterStage *stage);
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void (* deactivate) (ClutterStage *stage);
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/*< private >*/
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/* padding for future expansion */
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gpointer _padding_dummy[32];
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};
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/**
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* ClutterPerspective:
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* @fovy: the field of view angle, in degrees, in the y direction
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* @aspect: the aspect ratio that determines the field of view in the x
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* direction. The aspect ratio is the ratio of x (width) to y (height)
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* @z_near: the distance from the viewer to the near clipping
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* plane (always positive)
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* @z_far: the distance from the viewer to the far clipping
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* plane (always positive)
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*
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* Stage perspective definition. #ClutterPerspective is only used by
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* the fixed point version of clutter_stage_set_perspective().
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*
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* Since: 0.4
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*/
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struct _ClutterPerspective
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{
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gfloat fovy;
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gfloat aspect;
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gfloat z_near;
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gfloat z_far;
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};
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/**
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* ClutterFog:
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* @z_near: starting distance from the viewer to the near clipping
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* plane (always positive)
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* @z_far: final distance from the viewer to the far clipping
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* plane (always positive)
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*
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* Fog settings used to create the depth cueing effect.
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*
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* Since: 0.6
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*/
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struct _ClutterFog
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{
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gfloat z_near;
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gfloat z_far;
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};
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GType clutter_perspective_get_type (void) G_GNUC_CONST;
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GType clutter_fog_get_type (void) G_GNUC_CONST;
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GType clutter_stage_get_type (void) G_GNUC_CONST;
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ClutterActor *clutter_stage_get_default (void);
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ClutterActor *clutter_stage_new (void);
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void clutter_stage_set_color (ClutterStage *stage,
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const ClutterColor *color);
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void clutter_stage_get_color (ClutterStage *stage,
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ClutterColor *color);
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void clutter_stage_set_perspective (ClutterStage *stage,
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ClutterPerspective *perspective);
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void clutter_stage_get_perspective (ClutterStage *stage,
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ClutterPerspective *perspective);
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void clutter_stage_fullscreen (ClutterStage *stage);
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void clutter_stage_unfullscreen (ClutterStage *stage);
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void clutter_stage_show_cursor (ClutterStage *stage);
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void clutter_stage_hide_cursor (ClutterStage *stage);
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ClutterActor *clutter_stage_get_actor_at_pos (ClutterStage *stage,
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gint x,
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gint y);
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guchar * clutter_stage_read_pixels (ClutterStage *stage,
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gint x,
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gint y,
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gint width,
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gint height);
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gboolean clutter_stage_event (ClutterStage *stage,
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ClutterEvent *event);
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void clutter_stage_set_title (ClutterStage *stage,
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const gchar *title);
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G_CONST_RETURN gchar *clutter_stage_get_title (ClutterStage *stage);
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void clutter_stage_set_user_resizable (ClutterStage *stage,
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gboolean resizable);
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gboolean clutter_stage_get_user_resizable (ClutterStage *stage);
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void clutter_stage_set_use_fog (ClutterStage *stage,
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gboolean fog);
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gboolean clutter_stage_get_use_fog (ClutterStage *stage);
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void clutter_stage_set_fog (ClutterStage *stage,
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ClutterFog *fog);
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void clutter_stage_get_fog (ClutterStage *stage,
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ClutterFog *fog);
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void clutter_stage_set_key_focus (ClutterStage *stage,
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ClutterActor *actor);
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ClutterActor * clutter_stage_get_key_focus (ClutterStage *stage);
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/* New experiental calls */
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void clutter_stage_ensure_current (ClutterStage *stage);
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void clutter_stage_queue_redraw (ClutterStage *stage);
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gboolean clutter_stage_is_default (ClutterStage *stage);
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void clutter_stage_ensure_viewport (ClutterStage *stage);
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/* Commodity macro */
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#define clutter_stage_add(stage,actor) G_STMT_START { \
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if (CLUTTER_IS_STAGE ((stage)) && CLUTTER_IS_ACTOR ((actor))) \
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{ \
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ClutterContainer *_container = (ClutterContainer *) (stage); \
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ClutterActor *_actor = (ClutterActor *) (actor); \
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clutter_container_add_actor (_container, _actor); \
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} } G_STMT_END
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G_END_DECLS
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#endif /* __CLUTTER_STAGE_H__ */
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