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02b69e4d76
GCC has some optimization for the inclusion guard, but they only work if the check is the outermost one. We're fairly inconsistent because of historical reasons, so we should ensure that we follow the same pattern in every public header.
228 lines
12 KiB
C
228 lines
12 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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/**
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* ClutterLayoutManager:
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*
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* The #ClutterLayoutManager 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: 1.2
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*/
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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 overriden 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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* Since: 1.2
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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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ClutterAllocationFlags flags);
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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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/* deprecated */
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ClutterAlpha * (* begin_animation) (ClutterLayoutManager *manager,
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guint duration,
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gulong mode);
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/* deprecated */
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gdouble (* get_animation_progress) (ClutterLayoutManager *manager);
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/* deprecated */
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void (* end_animation) (ClutterLayoutManager *manager);
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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_AVAILABLE_IN_1_2
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GType clutter_layout_manager_get_type (void) G_GNUC_CONST;
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CLUTTER_AVAILABLE_IN_1_2
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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_AVAILABLE_IN_1_2
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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_AVAILABLE_IN_1_2
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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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ClutterAllocationFlags flags);
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CLUTTER_AVAILABLE_IN_1_2
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void clutter_layout_manager_set_container (ClutterLayoutManager *manager,
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ClutterContainer *container);
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CLUTTER_AVAILABLE_IN_1_2
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void clutter_layout_manager_layout_changed (ClutterLayoutManager *manager);
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CLUTTER_AVAILABLE_IN_1_2
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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_AVAILABLE_IN_1_2
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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_AVAILABLE_IN_1_2
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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_AVAILABLE_IN_1_2
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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_AVAILABLE_IN_1_2
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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_AVAILABLE_IN_1_2
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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_AVAILABLE_IN_1_2
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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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CLUTTER_DEPRECATED_IN_1_12
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ClutterAlpha * clutter_layout_manager_begin_animation (ClutterLayoutManager *manager,
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guint duration,
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gulong mode);
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CLUTTER_DEPRECATED_IN_1_12
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void clutter_layout_manager_end_animation (ClutterLayoutManager *manager);
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CLUTTER_DEPRECATED_IN_1_12
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gdouble clutter_layout_manager_get_animation_progress (ClutterLayoutManager *manager);
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G_END_DECLS
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#endif /* __CLUTTER_LAYOUT_MANAGER_H__ */
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