7dd09e2186
We actually need a couple more macros for registering GValue transformation functions. Those should be added to upstream GLib.
595 lines
25 KiB
C
595 lines
25 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 <glib/gi18n-lib.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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#define _clutter_notify_by_pspec(obj, pspec) \
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g_object_notify_by_pspec ((obj), (pspec))
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#define _clutter_object_class_install_properties(oclass, n_pspecs, pspecs) \
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g_object_class_install_properties ((oclass), (n_pspecs), (pspecs))
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#define CLUTTER_REGISTER_VALUE_TRANSFORM_TO(TYPE_TO,func) { \
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g_value_register_transform_func (g_define_type_id, TYPE_TO, func); \
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}
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#define CLUTTER_REGISTER_VALUE_TRANSFORM_FROM(TYPE_FROM,func) { \
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g_value_register_transform_func (TYPE_FROM, g_define_type_id, func); \
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}
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#define CLUTTER_REGISTER_INTERVAL_PROGRESS(func) { \
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clutter_interval_register_progress_func (g_define_type_id, func); \
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}
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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_ACTOR_IS_TOPLEVEL(a) ((CLUTTER_PRIVATE_FLAGS (a) & CLUTTER_IS_TOPLEVEL) != FALSE)
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#define CLUTTER_ACTOR_IS_INTERNAL_CHILD(a) ((CLUTTER_PRIVATE_FLAGS (a) & CLUTTER_INTERNAL_CHILD) != FALSE)
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#define CLUTTER_ACTOR_IN_DESTRUCTION(a) ((CLUTTER_PRIVATE_FLAGS (a) & CLUTTER_IN_DESTRUCTION) != FALSE)
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#define CLUTTER_ACTOR_IN_REPARENT(a) ((CLUTTER_PRIVATE_FLAGS (a) & CLUTTER_IN_REPARENT) != FALSE)
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#define CLUTTER_ACTOR_IN_PAINT(a) ((CLUTTER_PRIVATE_FLAGS (a) & CLUTTER_IN_PAINT) != FALSE)
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#define CLUTTER_ACTOR_IN_RELAYOUT(a) ((CLUTTER_PRIVATE_FLAGS (a) & CLUTTER_IN_RELAYOUT) != FALSE)
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#define CLUTTER_STAGE_IN_RESIZE(a) ((CLUTTER_PRIVATE_FLAGS (a) & CLUTTER_IN_RESIZE) != FALSE)
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typedef enum {
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CLUTTER_ACTOR_UNUSED_FLAG = 0,
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CLUTTER_IN_DESTRUCTION = 1 << 0,
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CLUTTER_IS_TOPLEVEL = 1 << 1,
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CLUTTER_IN_REPARENT = 1 << 2,
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/* Used to avoid recursion */
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CLUTTER_IN_PAINT = 1 << 3,
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/* Used to avoid recursion */
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CLUTTER_IN_RELAYOUT = 1 << 4,
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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_IN_RESIZE = 1 << 5,
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/* a flag for internal children of Containers */
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CLUTTER_INTERNAL_CHILD = 1 << 6
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} ClutterPrivateFlags;
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/*
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* ClutterRedrawFlags:
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* @CLUTTER_REDRAW_CLIPPED_TO_ALLOCATION: Tells clutter the maximum
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* extents of what needs to be redrawn lies within the actors
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* current allocation. (Only use this for 2D actors though because
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* any actor with depth may be projected outside of its allocation)
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*
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* Flags passed to the clutter_actor_queue_redraw_with_clip ()
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* function
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*
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* Since: 1.6
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*/
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typedef enum
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{
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CLUTTER_REDRAW_CLIPPED_TO_ALLOCATION = 1 << 0
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} ClutterRedrawFlags;
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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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struct _ClutterPaintVolume
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{
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ClutterActor *actor;
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/* cuboid for the volume:
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*
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* 4━━━━━━━┓5
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* ┏━━━━━━━━┓╱┃
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* ┃0 ┊7 1┃ ┃
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* ┃ ┄┄┄┄┄┃┄┃6
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* ┃3 2┃╱
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* ┗━━━━━━━━┛
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*
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* 0: top, left (origin) : always valid
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* 1: top, right : always valid
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* 2: bottom, right : updated lazily
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* 3: bottom, left : always valid
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*
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* 4: top, left, back : always valid
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* 5: top, right, back : updated lazily
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* 6: bottom, right, back : updated lazily
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* 7: bottom, left, back : updated lazily
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*
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* Elements 0, 1, 3 and 4 are filled in by the PaintVolume setters
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*
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* Note: the reason for this ordering is that we can simply ignore
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* elements 4, 5, 6 and 7 most of the time for 2D actors when
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* calculating the projected paint box.
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*/
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ClutterVertex vertices[8];
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/* As an optimization for internally managed PaintVolumes we allow
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* initializing ClutterPaintVolume variables allocated on the stack
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* so we can avoid hammering the slice allocator. */
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guint is_static:1;
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/* A newly initialized PaintVolume is considered empty as it is
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* degenerate on all three axis.
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*
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* We consider this carefully when we union an empty volume with
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* another so that the union simply results in a copy of the other
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* volume instead of also bounding the origin of the empty volume.
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*
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* For example this is a convenient property when calculating the
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* volume of a container as the union of the volume of its children
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* where the initial volume passed to the containers
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* ->get_paint_volume method will be empty. */
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guint is_empty:1;
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/* TRUE when we've updated the values we calculate lazily */
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guint is_complete:1;
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/* TRUE if vertices 4-7 can be ignored. (Only valid if complete is
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* TRUE) */
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guint is_2d:1;
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/* Set to TRUE initialy but cleared if the paint volume is
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* transfomed by a matrix. */
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guint is_axis_aligned:1;
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/* Note: There is a precedence to the above bitfields that should be
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* considered whenever we implement code that manipulates
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* PaintVolumes...
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*
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* Firstly if ->is_empty == TRUE then the values for ->is_complete
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* and ->is_2d are undefined, so you should typically check
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* ->is_empty as the first priority.
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*
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* XXX: document other invariables...
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*/
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};
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/* ClutterActorTraverseFlags:
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*
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* Controls some options for how clutter_actor_traverse() iterates
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* through the graph.
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*/
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typedef enum _ClutterActorTraverseFlags
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{
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CLUTTER_ACTOR_TRAVERSE_PLACE_HOLDER = 1L<<0
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} ClutterActorTraverseFlags;
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/* ClutterForeachCallback:
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* @actor: The actor being iterated
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* @user_data: The private data specified when starting the iteration
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*
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* A generic callback for iterating over actor, such as with
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* _clutter_actor_foreach_child. The difference when compared to
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* #ClutterCallback is that it returns a boolean so it is possible to break
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* out of an iteration early.
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*
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* Return value: %TRUE to continue iterating or %FALSE to break iteration
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* early.
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*/
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typedef gboolean (*ClutterForeachCallback) (ClutterActor *actor,
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void *user_data);
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typedef struct _ClutterStageQueueRedrawEntry ClutterStageQueueRedrawEntry;
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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_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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/* mark all properties under the "Property" context */
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#ifdef ENABLE_NLS
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#define P_(String) (_clutter_gettext ((String)))
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#else
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#define P_(String) (String)
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#endif
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G_CONST_RETURN gchar *_clutter_gettext (const gchar *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_do_paint (ClutterStage *stage,
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const ClutterGeometry *clip);
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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_get_projection_matrix (ClutterStage *stage,
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CoglMatrix *projection);
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void _clutter_stage_dirty_projection (ClutterStage *stage);
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void _clutter_stage_set_viewport (ClutterStage *stage,
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int x,
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int y,
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int width,
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int height);
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void _clutter_stage_get_viewport (ClutterStage *stage,
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int *x,
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int *y,
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int *width,
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int *height);
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void _clutter_stage_dirty_viewport (ClutterStage *stage);
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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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void _clutter_stage_set_pick_buffer_valid (ClutterStage *stage,
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gboolean valid);
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gboolean _clutter_stage_get_pick_buffer_valid (ClutterStage *stage);
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void _clutter_stage_increment_picks_per_frame_counter (ClutterStage *stage);
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void _clutter_stage_reset_picks_per_frame_counter (ClutterStage *stage);
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guint _clutter_stage_get_picks_per_frame_counter (ClutterStage *stage);
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ClutterPaintVolume *_clutter_stage_paint_volume_stack_allocate (ClutterStage *stage);
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void _clutter_stage_paint_volume_stack_free_all (ClutterStage *stage);
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const ClutterGeometry *_clutter_stage_get_clip (ClutterStage *stage);
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ClutterStageQueueRedrawEntry *_clutter_stage_queue_actor_redraw (ClutterStage *stage,
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ClutterStageQueueRedrawEntry *entry,
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ClutterActor *actor,
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ClutterPaintVolume *clip);
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void _clutter_stage_queue_redraw_entry_invalidate (ClutterStageQueueRedrawEntry *entry);
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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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void _clutter_backend_copy_event_data (ClutterBackend *backend,
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const ClutterEvent *src,
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ClutterEvent *dest);
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void _clutter_backend_free_event_data (ClutterBackend *backend,
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ClutterEvent *event);
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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 */
|
||
ClutterActor *_clutter_do_pick (ClutterStage *stage,
|
||
gint x,
|
||
gint y,
|
||
ClutterPickMode mode);
|
||
|
||
/* the actual redraw */
|
||
void _clutter_do_redraw (ClutterStage *stage);
|
||
|
||
guint _clutter_pixel_to_id (guchar pixel[4]);
|
||
|
||
void _clutter_id_to_color (guint id, ClutterColor *col);
|
||
|
||
/* use this function as the accumulator if you have a signal with
|
||
* a G_TYPE_BOOLEAN return value; this will stop the emission as
|
||
* soon as one handler returns TRUE
|
||
*/
|
||
gboolean _clutter_boolean_handled_accumulator (GSignalInvocationHint *ihint,
|
||
GValue *return_accu,
|
||
const GValue *handler_return,
|
||
gpointer dummy);
|
||
|
||
gint _clutter_actor_get_n_children (ClutterActor *self);
|
||
gboolean _clutter_actor_foreach_child (ClutterActor *self,
|
||
ClutterForeachCallback callback,
|
||
void *user_data);
|
||
gboolean _clutter_actor_traverse (ClutterActor *actor,
|
||
ClutterActorTraverseFlags flags,
|
||
ClutterForeachCallback callback,
|
||
void *user_data);
|
||
ClutterActor *_clutter_actor_get_stage_internal (ClutterActor *actor);
|
||
|
||
void _clutter_actor_apply_modelview_transform (ClutterActor *self,
|
||
CoglMatrix *matrix);
|
||
void _clutter_actor_apply_modelview_transform_recursive (ClutterActor *self,
|
||
ClutterActor *ancestor,
|
||
CoglMatrix *matrix);
|
||
|
||
void _clutter_actor_rerealize (ClutterActor *self,
|
||
ClutterCallback callback,
|
||
void *data);
|
||
|
||
void _clutter_actor_set_opacity_parent (ClutterActor *self,
|
||
ClutterActor *parent);
|
||
|
||
void _clutter_actor_set_enable_model_view_transform (ClutterActor *self,
|
||
gboolean enable);
|
||
|
||
void _clutter_actor_set_enable_paint_unmapped (ClutterActor *self,
|
||
gboolean enable);
|
||
|
||
void _clutter_actor_set_has_pointer (ClutterActor *self,
|
||
gboolean has_pointer);
|
||
|
||
void _clutter_actor_queue_redraw_with_clip (ClutterActor *self,
|
||
ClutterRedrawFlags flags,
|
||
ClutterPaintVolume *clip_volume);
|
||
const ClutterPaintVolume *_clutter_actor_get_queue_redraw_clip (ClutterActor *self);
|
||
void _clutter_actor_set_queue_redraw_clip (ClutterActor *self,
|
||
const ClutterPaintVolume *clip_volume);
|
||
void _clutter_actor_finish_queue_redraw (ClutterActor *self,
|
||
ClutterPaintVolume *clip);
|
||
|
||
void _clutter_run_repaint_functions (void);
|
||
|
||
gint32 _clutter_backend_get_units_serial (ClutterBackend *backend);
|
||
|
||
gboolean _clutter_effect_pre_paint (ClutterEffect *effect);
|
||
void _clutter_effect_post_paint (ClutterEffect *effect);
|
||
gboolean _clutter_effect_get_paint_volume (ClutterEffect *effect,
|
||
ClutterPaintVolume *volume);
|
||
|
||
void _clutter_constraint_update_allocation (ClutterConstraint *constraint,
|
||
ClutterActor *actor,
|
||
ClutterActorBox *allocation);
|
||
|
||
GType _clutter_layout_manager_get_child_meta_type (ClutterLayoutManager *manager);
|
||
|
||
void _clutter_event_set_platform_data (ClutterEvent *event,
|
||
gpointer data);
|
||
gpointer _clutter_event_get_platform_data (const ClutterEvent *event);
|
||
|
||
void _clutter_paint_volume_init_static (ClutterActor *actor,
|
||
ClutterPaintVolume *pv);
|
||
ClutterPaintVolume *_clutter_paint_volume_new (ClutterActor *actor);
|
||
void _clutter_paint_volume_copy_static (const ClutterPaintVolume *src_pv,
|
||
ClutterPaintVolume *dst_pv);
|
||
void _clutter_paint_volume_set_from_volume (ClutterPaintVolume *pv,
|
||
const ClutterPaintVolume *src);
|
||
|
||
void _clutter_paint_volume_complete (ClutterPaintVolume *pv);
|
||
void _clutter_paint_volume_transform (ClutterPaintVolume *pv,
|
||
const CoglMatrix *matrix);
|
||
void _clutter_paint_volume_project (ClutterPaintVolume *pv,
|
||
const CoglMatrix *modelview,
|
||
const CoglMatrix *projection,
|
||
const int *viewport);
|
||
void _clutter_paint_volume_get_bounding_box (ClutterPaintVolume *pv,
|
||
ClutterActorBox *box);
|
||
void _clutter_paint_volume_axis_align (ClutterPaintVolume *pv);
|
||
void _clutter_paint_volume_set_reference_actor (ClutterPaintVolume *pv,
|
||
ClutterActor *actor);
|
||
|
||
|
||
|
||
void _clutter_util_fully_transform_vertices (const CoglMatrix *modelview,
|
||
const CoglMatrix *projection,
|
||
const int *viewport,
|
||
const ClutterVertex *vertices_in,
|
||
ClutterVertex *vertices_out,
|
||
int n_vertices);
|
||
|
||
gboolean _clutter_actor_set_default_paint_volume (ClutterActor *self,
|
||
GType check_gtype,
|
||
ClutterPaintVolume *volume);
|
||
|
||
G_END_DECLS
|
||
|
||
#endif /* _HAVE_CLUTTER_PRIVATE_H */
|