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* clutter/clutter-actor.h: * clutter/clutter-script.h: * clutter/clutter-stage.h: * clutter/clutter-units.h: Documentation fixes and additions.
254 lines
9.9 KiB
C
254 lines
9.9 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, 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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#ifndef __CLUTTER_STAGE_H__
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#define __CLUTTER_STAGE_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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#include <gdk-pixbuf/gdk-pixbuf.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 current stage width
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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 current stage height
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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 _ClutterStage ClutterStage;
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typedef struct _ClutterStageClass ClutterStageClass;
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typedef struct _ClutterStagePrivate ClutterStagePrivate;
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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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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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/* vfuncs, not signals */
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void (* set_fullscreen) (ClutterStage *stage,
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gboolean fullscreen);
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void (* set_cursor_visible) (ClutterStage *stage,
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gboolean visible);
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void (* set_offscreen) (ClutterStage *stage,
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gboolean offscreen);
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GdkPixbuf* (* draw_to_pixbuf) (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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void (* set_title) (ClutterStage *stage,
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const gchar *title);
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void (* set_user_resize) (ClutterStage *stage,
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gboolean value);
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/* events */
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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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ClutterFixed fovy;
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ClutterFixed aspect;
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ClutterFixed z_near;
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ClutterFixed z_far;
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};
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/**
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* ClutterFog:
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* @density: density of the fog
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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. #ClutterFox is
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* useful only when using the fixed point API.
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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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ClutterFixed density;
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ClutterFixed z_near;
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ClutterFixed 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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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_perspectivex (ClutterStage *stage,
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ClutterPerspective *perspective);
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void clutter_stage_get_perspectivex (ClutterStage *stage,
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ClutterPerspective *perspective);
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void clutter_stage_set_perspective (ClutterStage *stage,
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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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void clutter_stage_get_perspective (ClutterStage *stage,
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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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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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GdkPixbuf * clutter_stage_snapshot (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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gdouble density,
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gdouble z_near,
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gdouble z_far);
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void clutter_stage_get_fog (ClutterStage *stage,
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gdouble *density,
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gdouble *z_near,
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gdouble *z_far);
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void clutter_stage_set_fogx (ClutterStage *stage,
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ClutterFog *fog);
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void clutter_stage_get_fogx (ClutterStage *stage,
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ClutterFog *fog);
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gdouble clutter_stage_get_resolution (ClutterStage *stage);
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ClutterFixed clutter_stage_get_resolutionx (ClutterStage *stage);
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/* New experiental calls */
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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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/* 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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