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a73ae93d59
Since they are all refer to the days clutter used to be a separate library Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2441>
198 lines
11 KiB
C
198 lines
11 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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* Copyright (C) 2009 Intel Corporation.
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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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* Author:
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* Emmanuele Bassi <ebassi@linux.intel.com>
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*/
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#ifndef __CLUTTER_LAYOUT_MANAGER_H__
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#define __CLUTTER_LAYOUT_MANAGER_H__
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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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#include <clutter/clutter-types.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_LAYOUT_MANAGER (clutter_layout_manager_get_type ())
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#define CLUTTER_LAYOUT_MANAGER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_LAYOUT_MANAGER, ClutterLayoutManager))
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#define CLUTTER_IS_LAYOUT_MANAGER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_LAYOUT_MANAGER))
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#define CLUTTER_LAYOUT_MANAGER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_LAYOUT_MANAGER, ClutterLayoutManagerClass))
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#define CLUTTER_IS_LAYOUT_MANAGER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_LAYOUT_MANAGER))
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#define CLUTTER_LAYOUT_MANAGER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_LAYOUT_MANAGER, ClutterLayoutManagerClass))
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typedef struct _ClutterLayoutManagerClass ClutterLayoutManagerClass;
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struct _ClutterLayoutManager
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{
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/*< private >*/
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GInitiallyUnowned parent_instance;
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gpointer CLUTTER_PRIVATE_FIELD (dummy);
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};
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/**
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* ClutterLayoutManagerClass:
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* @get_preferred_width: virtual function; override to provide a preferred
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* width for the layout manager. See also the get_preferred_width()
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* virtual function in #ClutterActor
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* @get_preferred_height: virtual function; override to provide a preferred
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* height for the layout manager. See also the get_preferred_height()
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* virtual function in #ClutterActor
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* @allocate: virtual function; override to allocate the children of the
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* layout manager. See also the allocate() virtual function in
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* #ClutterActor
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* @set_container: virtual function; override to set a back pointer
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* on the #ClutterContainer using the layout manager. The implementation
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* should not take a reference on the container, but just take a weak
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* reference, to avoid potential leaks due to reference cycles
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* @get_child_meta_type: virtual function; override to return the #GType
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* of the #ClutterLayoutMeta sub-class used by the #ClutterLayoutManager
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* @create_child_meta: virtual function; override to create a
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* #ClutterLayoutMeta instance associated to a #ClutterContainer and a
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* child #ClutterActor, used to maintain layout manager specific properties
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* @begin_animation: virtual function; override to control the animation
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* of a #ClutterLayoutManager with the given duration and easing mode.
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* This virtual function is deprecated, and it should not be overridden
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* in newly written code.
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* @end_animation: virtual function; override to end an animation started
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* by clutter_layout_manager_begin_animation(). This virtual function is
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* deprecated, and it should not be overridden in newly written code.
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* @get_animation_progress: virtual function; override to control the
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* progress of the animation of a #ClutterLayoutManager. This virtual
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* function is deprecated, and it should not be overridden in newly written
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* code.
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* @layout_changed: class handler for the #ClutterLayoutManager::layout-changed
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* signal
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*
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* The #ClutterLayoutManagerClass structure contains only private
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* data and should be accessed using the provided API
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*/
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struct _ClutterLayoutManagerClass
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{
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/*< private >*/
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GInitiallyUnownedClass parent_class;
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/*< public >*/
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void (* get_preferred_width) (ClutterLayoutManager *manager,
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ClutterContainer *container,
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gfloat for_height,
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gfloat *min_width_p,
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gfloat *nat_width_p);
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void (* get_preferred_height) (ClutterLayoutManager *manager,
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ClutterContainer *container,
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gfloat for_width,
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gfloat *min_height_p,
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gfloat *nat_height_p);
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void (* allocate) (ClutterLayoutManager *manager,
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ClutterContainer *container,
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const ClutterActorBox *allocation);
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void (* set_container) (ClutterLayoutManager *manager,
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ClutterContainer *container);
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GType (* get_child_meta_type) (ClutterLayoutManager *manager);
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ClutterLayoutMeta *(* create_child_meta) (ClutterLayoutManager *manager,
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ClutterContainer *container,
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ClutterActor *actor);
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void (* layout_changed) (ClutterLayoutManager *manager);
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/*< private >*/
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/* padding for future expansion */
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void (* _clutter_padding_1) (void);
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void (* _clutter_padding_2) (void);
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void (* _clutter_padding_3) (void);
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void (* _clutter_padding_4) (void);
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void (* _clutter_padding_5) (void);
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void (* _clutter_padding_6) (void);
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void (* _clutter_padding_7) (void);
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void (* _clutter_padding_8) (void);
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};
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CLUTTER_EXPORT
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GType clutter_layout_manager_get_type (void) G_GNUC_CONST;
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CLUTTER_EXPORT
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void clutter_layout_manager_get_preferred_width (ClutterLayoutManager *manager,
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ClutterContainer *container,
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gfloat for_height,
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gfloat *min_width_p,
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gfloat *nat_width_p);
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CLUTTER_EXPORT
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void clutter_layout_manager_get_preferred_height (ClutterLayoutManager *manager,
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ClutterContainer *container,
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gfloat for_width,
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gfloat *min_height_p,
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gfloat *nat_height_p);
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CLUTTER_EXPORT
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void clutter_layout_manager_allocate (ClutterLayoutManager *manager,
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ClutterContainer *container,
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const ClutterActorBox *allocation);
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CLUTTER_EXPORT
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void clutter_layout_manager_set_container (ClutterLayoutManager *manager,
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ClutterContainer *container);
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CLUTTER_EXPORT
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void clutter_layout_manager_layout_changed (ClutterLayoutManager *manager);
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CLUTTER_EXPORT
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GParamSpec * clutter_layout_manager_find_child_property (ClutterLayoutManager *manager,
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const gchar *name);
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CLUTTER_EXPORT
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GParamSpec ** clutter_layout_manager_list_child_properties (ClutterLayoutManager *manager,
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guint *n_pspecs);
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CLUTTER_EXPORT
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ClutterLayoutMeta *clutter_layout_manager_get_child_meta (ClutterLayoutManager *manager,
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ClutterContainer *container,
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ClutterActor *actor);
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CLUTTER_EXPORT
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void clutter_layout_manager_child_set (ClutterLayoutManager *manager,
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ClutterContainer *container,
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ClutterActor *actor,
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const gchar *first_property,
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...) G_GNUC_NULL_TERMINATED;
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CLUTTER_EXPORT
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void clutter_layout_manager_child_get (ClutterLayoutManager *manager,
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ClutterContainer *container,
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ClutterActor *actor,
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const gchar *first_property,
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...) G_GNUC_NULL_TERMINATED;
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CLUTTER_EXPORT
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void clutter_layout_manager_child_set_property (ClutterLayoutManager *manager,
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ClutterContainer *container,
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ClutterActor *actor,
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const gchar *property_name,
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const GValue *value);
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CLUTTER_EXPORT
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void clutter_layout_manager_child_get_property (ClutterLayoutManager *manager,
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ClutterContainer *container,
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ClutterActor *actor,
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const gchar *property_name,
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GValue *value);
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G_END_DECLS
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#endif /* __CLUTTER_LAYOUT_MANAGER_H__ */
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