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mutter/clutter/clutter-private.h
Emmanuele Bassi a3102a777e docs: Fill out documentation for new symbols
2011-01-21 10:25:44 +00:00

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/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Authored By Matthew Allum <mallum@openedhand.com>
*
* Copyright (C) 2006 OpenedHand
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*
*/
#ifndef __CLUTTER_PRIVATE_H__
#define __CLUTTER_PRIVATE_H__
#include <glib.h>
#include <glib/gi18n-lib.h>
#include "pango/cogl-pango.h"
#include "clutter-backend.h"
#include "clutter-effect.h"
#include "clutter-event.h"
#include "clutter-feature.h"
#include "clutter-id-pool.h"
#include "clutter-layout-manager.h"
#include "clutter-master-clock.h"
#include "clutter-settings.h"
#include "clutter-stage.h"
G_BEGIN_DECLS
typedef struct _ClutterMainContext ClutterMainContext;
#define _clutter_notify_by_pspec(obj, pspec) \
g_object_notify_by_pspec ((obj), (pspec))
#define _clutter_object_class_install_properties(oclass, n_pspecs, pspecs) \
g_object_class_install_properties ((oclass), (n_pspecs), (pspecs))
#define CLUTTER_REGISTER_VALUE_TRANSFORM_TO(TYPE_TO,func) { \
g_value_register_transform_func (g_define_type_id, TYPE_TO, func); \
}
#define CLUTTER_REGISTER_VALUE_TRANSFORM_FROM(TYPE_FROM,func) { \
g_value_register_transform_func (TYPE_FROM, g_define_type_id, func); \
}
#define CLUTTER_REGISTER_INTERVAL_PROGRESS(func) { \
clutter_interval_register_progress_func (g_define_type_id, func); \
}
#define CLUTTER_PRIVATE_FLAGS(a) (((ClutterActor *) (a))->private_flags)
#define CLUTTER_SET_PRIVATE_FLAGS(a,f) (CLUTTER_PRIVATE_FLAGS (a) |= (f))
#define CLUTTER_UNSET_PRIVATE_FLAGS(a,f) (CLUTTER_PRIVATE_FLAGS (a) &= ~(f))
#define CLUTTER_ACTOR_IS_TOPLEVEL(a) ((CLUTTER_PRIVATE_FLAGS (a) & CLUTTER_IS_TOPLEVEL) != FALSE)
#define CLUTTER_ACTOR_IS_INTERNAL_CHILD(a) ((CLUTTER_PRIVATE_FLAGS (a) & CLUTTER_INTERNAL_CHILD) != FALSE)
#define CLUTTER_ACTOR_IN_DESTRUCTION(a) ((CLUTTER_PRIVATE_FLAGS (a) & CLUTTER_IN_DESTRUCTION) != FALSE)
#define CLUTTER_ACTOR_IN_REPARENT(a) ((CLUTTER_PRIVATE_FLAGS (a) & CLUTTER_IN_REPARENT) != FALSE)
#define CLUTTER_ACTOR_IN_PAINT(a) ((CLUTTER_PRIVATE_FLAGS (a) & CLUTTER_IN_PAINT) != FALSE)
#define CLUTTER_ACTOR_IN_RELAYOUT(a) ((CLUTTER_PRIVATE_FLAGS (a) & CLUTTER_IN_RELAYOUT) != FALSE)
#define CLUTTER_STAGE_IN_RESIZE(a) ((CLUTTER_PRIVATE_FLAGS (a) & CLUTTER_IN_RESIZE) != FALSE)
typedef enum {
CLUTTER_ACTOR_UNUSED_FLAG = 0,
CLUTTER_IN_DESTRUCTION = 1 << 0,
CLUTTER_IS_TOPLEVEL = 1 << 1,
CLUTTER_IN_REPARENT = 1 << 2,
/* Used to avoid recursion */
CLUTTER_IN_PAINT = 1 << 3,
/* Used to avoid recursion */
CLUTTER_IN_RELAYOUT = 1 << 4,
/* Used by the stage if resizing is an asynchronous operation (like on
* X11) to delay queueing relayouts until we got a notification from the
* event handling
*/
CLUTTER_IN_RESIZE = 1 << 5,
/* a flag for internal children of Containers */
CLUTTER_INTERNAL_CHILD = 1 << 6
} ClutterPrivateFlags;
struct _ClutterMainContext
{
ClutterBackend *backend; /* holds a pointer to the windowing
system backend */
GQueue *events_queue; /* the main event queue */
guint is_initialized : 1;
guint motion_events_per_actor : 1;/* set for enter/leave events */
guint defer_display_setup : 1;
guint options_parsed : 1;
GTimer *timer; /* Used for debugging scheduler */
ClutterPickMode pick_mode; /* Indicates pick render mode */
gint num_reactives; /* Num of reactive actors */
ClutterIDPool *id_pool; /* mapping between reused integer ids
* and actors
*/
guint frame_rate; /* Default FPS */
ClutterActor *pointer_grab_actor; /* The actor having the pointer grab
* (or NULL if there is no pointer grab
*/
ClutterActor *keyboard_grab_actor; /* The actor having the pointer grab
* (or NULL if there is no pointer
* grab)
*/
GSList *shaders; /* stack of overridden shaders */
ClutterActor *motion_last_actor;
/* fb bit masks for col<->id mapping in picking */
gint fb_r_mask, fb_g_mask, fb_b_mask;
gint fb_r_mask_used, fb_g_mask_used, fb_b_mask_used;
PangoContext *pango_context; /* Global Pango context */
CoglPangoFontMap *font_map; /* Global font map */
ClutterEvent *current_event;
guint32 last_event_time;
gulong redraw_count;
GList *repaint_funcs;
ClutterSettings *settings;
};
/* shared between clutter-main.c and clutter-frame-source.c */
typedef struct
{
GSourceFunc func;
gpointer data;
GDestroyNotify notify;
} ClutterThreadsDispatch;
gboolean _clutter_threads_dispatch (gpointer data);
void _clutter_threads_dispatch_free (gpointer data);
#define CLUTTER_CONTEXT() (_clutter_context_get_default ())
ClutterMainContext *_clutter_context_get_default (void);
gboolean _clutter_context_is_initialized (void);
PangoContext *_clutter_context_create_pango_context (ClutterMainContext *self);
PangoContext *_clutter_context_get_pango_context (ClutterMainContext *self);
#define CLUTTER_PARAM_READABLE \
G_PARAM_READABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB
#define CLUTTER_PARAM_WRITABLE \
G_PARAM_WRITABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB
#define CLUTTER_PARAM_READWRITE \
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK |G_PARAM_STATIC_BLURB
#define I_(str) (g_intern_static_string ((str)))
/* mark all properties under the "Property" context */
#ifdef ENABLE_NLS
#define P_(String) (_clutter_gettext ((String)))
#else
#define P_(String) (String)
#endif
G_CONST_RETURN gchar *_clutter_gettext (const gchar *str);
gboolean _clutter_feature_init (GError **error);
/* Reinjecting queued events for processing */
void _clutter_process_event (ClutterEvent *event);
/* 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);
void _clutter_run_repaint_functions (void);
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_event_push (const ClutterEvent *event,
gboolean do_copy);
void _clutter_event_set_device (ClutterEvent *event,
ClutterInputDevice *device);
void _clutter_event_set_source_device (ClutterEvent *event,
ClutterInputDevice *device);
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);
G_END_DECLS
#endif /* __CLUTTER_PRIVATE_H__ */
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