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https://github.com/brl/mutter.git
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437dcad86a
Instead of storing settings inside the Backend instance we should use a separate public object.
347 lines
13 KiB
C
347 lines
13 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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*
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*/
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#ifndef __CLUTTER_PRIVATE_H__
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#define __CLUTTER_PRIVATE_H__
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <math.h>
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#include <glib.h>
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#include "pango/cogl-pango.h"
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#include "clutter-backend.h"
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#include "clutter-device-manager.h"
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#include "clutter-effect.h"
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#include "clutter-event.h"
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#include "clutter-feature.h"
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#include "clutter-id-pool.h"
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#include "clutter-layout-manager.h"
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#include "clutter-master-clock.h"
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#include "clutter-settings.h"
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#include "clutter-stage-manager.h"
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#include "clutter-stage-window.h"
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#include "clutter-stage.h"
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#include "clutter-timeline.h"
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G_BEGIN_DECLS
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typedef struct _ClutterMainContext ClutterMainContext;
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typedef enum {
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CLUTTER_ACTOR_UNUSED_FLAG = 0,
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CLUTTER_ACTOR_IN_DESTRUCTION = 1 << 0,
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CLUTTER_ACTOR_IS_TOPLEVEL = 1 << 1,
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CLUTTER_ACTOR_IN_REPARENT = 1 << 2,
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/* Used by the stage to indicate GL viewport / perspective etc needs
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* (re)setting.
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*/
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CLUTTER_ACTOR_SYNC_MATRICES = 1 << 3,
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/* Used to avoid recursion */
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CLUTTER_ACTOR_IN_PAINT = 1 << 4,
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/* Used to avoid recursion */
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CLUTTER_ACTOR_IN_RELAYOUT = 1 << 5,
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/* Used by the stage if resizing is an asynchronous operation (like on
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* X11) to delay queueing relayouts until we got a notification from the
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* event handling
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*/
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CLUTTER_STAGE_IN_RESIZE = 1 << 6,
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/* a flag for internal children of Containers */
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CLUTTER_ACTOR_INTERNAL_CHILD = 1 << 7
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} ClutterPrivateFlags;
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struct _ClutterInputDevice
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{
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GObject parent_instance;
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gint id;
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ClutterInputDeviceType device_type;
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gchar *device_name;
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/* the actor underneath the pointer */
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ClutterActor *cursor_actor;
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/* the actor that has a grab in place for the device */
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ClutterActor *pointer_grab_actor;
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/* the current click count */
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gint click_count;
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/* the stage the device is on */
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ClutterStage *stage;
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/* the current state */
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gint current_x;
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gint current_y;
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guint32 current_time;
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gint current_button_number;
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ClutterModifierType current_state;
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/* the previous state, used for click count generation */
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gint previous_x;
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gint previous_y;
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guint32 previous_time;
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gint previous_button_number;
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ClutterModifierType previous_state;
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};
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struct _ClutterStageManager
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{
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GObject parent_instance;
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GSList *stages;
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};
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struct _ClutterMainContext
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{
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ClutterBackend *backend; /* holds a pointer to the windowing
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system backend */
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GQueue *events_queue; /* the main event queue */
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guint is_initialized : 1;
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guint motion_events_per_actor : 1;/* set for enter/leave events */
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guint defer_display_setup : 1;
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guint options_parsed : 1;
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GTimer *timer; /* Used for debugging scheduler */
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ClutterPickMode pick_mode; /* Indicates pick render mode */
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gint num_reactives; /* Num of reactive actors */
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ClutterIDPool *id_pool; /* mapping between reused integer ids
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* and actors
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*/
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guint frame_rate; /* Default FPS */
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ClutterActor *pointer_grab_actor; /* The actor having the pointer grab
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* (or NULL if there is no pointer grab
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*/
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ClutterActor *keyboard_grab_actor; /* The actor having the pointer grab
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* (or NULL if there is no pointer
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* grab)
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*/
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GSList *shaders; /* stack of overridden shaders */
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ClutterActor *motion_last_actor;
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/* fb bit masks for col<->id mapping in picking */
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gint fb_r_mask, fb_g_mask, fb_b_mask;
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gint fb_r_mask_used, fb_g_mask_used, fb_b_mask_used;
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PangoContext *pango_context; /* Global Pango context */
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CoglPangoFontMap *font_map; /* Global font map */
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ClutterEvent *current_event;
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guint32 last_event_time;
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gulong redraw_count;
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GList *repaint_funcs;
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ClutterSettings *settings;
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};
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#define CLUTTER_CONTEXT() (_clutter_context_get_default ())
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ClutterMainContext *_clutter_context_get_default (void);
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gboolean _clutter_context_is_initialized (void);
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PangoContext *_clutter_context_create_pango_context (ClutterMainContext *self);
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PangoContext *_clutter_context_get_pango_context (ClutterMainContext *self);
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#define CLUTTER_PRIVATE_FLAGS(a) (((ClutterActor *) (a))->private_flags)
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#define CLUTTER_SET_PRIVATE_FLAGS(a,f) (CLUTTER_PRIVATE_FLAGS (a) |= (f))
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#define CLUTTER_UNSET_PRIVATE_FLAGS(a,f) (CLUTTER_PRIVATE_FLAGS (a) &= ~(f))
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#define CLUTTER_PARAM_READABLE \
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G_PARAM_READABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB
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#define CLUTTER_PARAM_WRITABLE \
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G_PARAM_WRITABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB
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#define CLUTTER_PARAM_READWRITE \
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G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK |G_PARAM_STATIC_BLURB
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#define I_(str) (g_intern_static_string ((str)))
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/* device manager */
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void _clutter_device_manager_add_device (ClutterDeviceManager *device_manager,
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ClutterInputDevice *device);
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void _clutter_device_manager_remove_device (ClutterDeviceManager *device_manager,
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ClutterInputDevice *device);
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void _clutter_device_manager_update_devices (ClutterDeviceManager *device_manager);
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/* input device */
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void _clutter_input_device_set_coords (ClutterInputDevice *device,
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gint x,
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gint y);
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void _clutter_input_device_set_state (ClutterInputDevice *device,
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ClutterModifierType state);
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void _clutter_input_device_set_time (ClutterInputDevice *device,
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guint32 time_);
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void _clutter_input_device_set_stage (ClutterInputDevice *device,
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ClutterStage *stage);
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void _clutter_input_device_set_actor (ClutterInputDevice *device,
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ClutterActor *actor);
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ClutterActor *_clutter_input_device_update (ClutterInputDevice *device);
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/* stage manager */
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void _clutter_stage_manager_add_stage (ClutterStageManager *stage_manager,
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ClutterStage *stage);
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void _clutter_stage_manager_remove_stage (ClutterStageManager *stage_manager,
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ClutterStage *stage);
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void _clutter_stage_manager_set_default_stage (ClutterStageManager *stage_manager,
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ClutterStage *stage);
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/* stage */
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void _clutter_stage_set_window (ClutterStage *stage,
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ClutterStageWindow *stage_window);
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ClutterStageWindow *_clutter_stage_get_window (ClutterStage *stage);
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ClutterStageWindow *_clutter_stage_get_default_window (void);
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void _clutter_stage_maybe_setup_viewport (ClutterStage *stage);
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void _clutter_stage_maybe_relayout (ClutterActor *stage);
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gboolean _clutter_stage_needs_update (ClutterStage *stage);
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gboolean _clutter_stage_do_update (ClutterStage *stage);
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void _clutter_stage_queue_event (ClutterStage *stage,
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ClutterEvent *event);
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gboolean _clutter_stage_has_queued_events (ClutterStage *stage);
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void _clutter_stage_process_queued_events (ClutterStage *stage);
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void _clutter_stage_update_input_devices (ClutterStage *stage);
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int _clutter_stage_get_pending_swaps (ClutterStage *stage);
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gboolean _clutter_stage_has_full_redraw_queued (ClutterStage *stage);
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/* vfuncs implemented by backend */
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GType _clutter_backend_impl_get_type (void);
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void _clutter_backend_redraw (ClutterBackend *backend,
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ClutterStage *stage);
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ClutterStageWindow *_clutter_backend_create_stage (ClutterBackend *backend,
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ClutterStage *wrapper,
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GError **error);
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void _clutter_backend_ensure_context (ClutterBackend *backend,
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ClutterStage *stage);
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void _clutter_backend_ensure_context_internal
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(ClutterBackend *backend,
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ClutterStage *stage);
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gboolean _clutter_backend_create_context (ClutterBackend *backend,
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GError **error);
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void _clutter_backend_add_options (ClutterBackend *backend,
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GOptionGroup *group);
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gboolean _clutter_backend_pre_parse (ClutterBackend *backend,
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GError **error);
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gboolean _clutter_backend_post_parse (ClutterBackend *backend,
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GError **error);
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void _clutter_backend_init_events (ClutterBackend *backend);
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ClutterFeatureFlags _clutter_backend_get_features (ClutterBackend *backend);
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gfloat _clutter_backend_get_units_per_em (ClutterBackend *backend,
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PangoFontDescription *font_desc);
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gboolean _clutter_feature_init (GError **error);
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/* Reinjecting queued events for processing */
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void _clutter_process_event (ClutterEvent *event);
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/* Picking code */
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ClutterActor *_clutter_do_pick (ClutterStage *stage,
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gint x,
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gint y,
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ClutterPickMode mode);
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/* the actual redraw */
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void _clutter_do_redraw (ClutterStage *stage);
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guint _clutter_pixel_to_id (guchar pixel[4]);
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void _clutter_id_to_color (guint id, ClutterColor *col);
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/* use this function as the accumulator if you have a signal with
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* a G_TYPE_BOOLEAN return value; this will stop the emission as
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* soon as one handler returns TRUE
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*/
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gboolean _clutter_boolean_handled_accumulator (GSignalInvocationHint *ihint,
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GValue *return_accu,
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const GValue *handler_return,
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gpointer dummy);
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void _clutter_actor_apply_modelview_transform_recursive (ClutterActor *self,
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ClutterActor *ancestor);
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void _clutter_actor_rerealize (ClutterActor *self,
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ClutterCallback callback,
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void *data);
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void _clutter_actor_set_opacity_parent (ClutterActor *self,
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ClutterActor *parent);
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void _clutter_actor_set_enable_model_view_transform (ClutterActor *self,
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gboolean enable);
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void _clutter_actor_set_enable_paint_unmapped (ClutterActor *self,
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gboolean enable);
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void _clutter_actor_set_has_pointer (ClutterActor *self,
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gboolean has_pointer);
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void _clutter_actor_transform_and_project_box (ClutterActor *self,
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const ClutterActorBox *box,
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ClutterVertex verts[]);
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void _clutter_actor_queue_redraw_with_clip (ClutterActor *self,
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ClutterRedrawFlags flags,
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ClutterActorBox *clip);
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const ClutterActorBox *_clutter_actor_get_queue_redraw_clip (ClutterActor *self);
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void _clutter_actor_set_queue_redraw_clip (ClutterActor *self,
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const ClutterActorBox *clip);
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void _clutter_run_repaint_functions (void);
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gint32 _clutter_backend_get_units_serial (ClutterBackend *backend);
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gboolean _clutter_effect_pre_paint (ClutterEffect *effect);
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void _clutter_effect_post_paint (ClutterEffect *effect);
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GType _clutter_layout_manager_get_child_meta_type (ClutterLayoutManager *manager);
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G_END_DECLS
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#endif /* _HAVE_CLUTTER_PRIVATE_H */
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