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mutter-performance-source/clutter/clutter-private.h
Emmanuele Bassi 23867875a1 build: Remove unused checks on platform functions 
There is no need for us to check for low-level functions and header
files, especially since we haven't been checking the results until
now. This makes cross-compiling slightly more bearable.
2010-03-01 11:12:16 +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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __CLUTTER_PRIVATE_H__
#define __CLUTTER_PRIVATE_H__
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <glib.h>
#include "pango/cogl-pango.h"
#include "clutter-backend.h"
#include "clutter-device-manager.h"
#include "clutter-event.h"
#include "clutter-feature.h"
#include "clutter-id-pool.h"
#include "clutter-master-clock.h"
#include "clutter-stage-manager.h"
#include "clutter-stage-window.h"
#include "clutter-stage.h"
#include "clutter-timeline.h"
G_BEGIN_DECLS
typedef struct _ClutterMainContext ClutterMainContext;
typedef enum {
CLUTTER_ACTOR_UNUSED_FLAG = 0,
CLUTTER_ACTOR_IN_DESTRUCTION = 1 << 0,
CLUTTER_ACTOR_IS_TOPLEVEL = 1 << 1,
CLUTTER_ACTOR_IN_REPARENT = 1 << 2,
/* Used by the stage to indicate GL viewport / perspective etc needs
* (re)setting.
*/
CLUTTER_ACTOR_SYNC_MATRICES = 1 << 3,
/* Used to avoid recursion */
CLUTTER_ACTOR_IN_PAINT = 1 << 4,
/* Used to avoid recursion */
CLUTTER_ACTOR_IN_RELAYOUT = 1 << 5,
/* 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_STAGE_IN_RESIZE = 1 << 6,
/* a flag for internal children of Containers */
CLUTTER_ACTOR_INTERNAL_CHILD = 1 << 7
} ClutterPrivateFlags;
struct _ClutterInputDevice
{
GObject parent_instance;
gint id;
ClutterInputDeviceType device_type;
gchar *device_name;
/* the actor underneath the pointer */
ClutterActor *cursor_actor;
/* the actor that has a grab in place for the device */
ClutterActor *pointer_grab_actor;
/* the current click count */
gint click_count;
/* the stage the device is on */
ClutterStage *stage;
/* the current state */
gint current_x;
gint current_y;
guint32 current_time;
gint current_button_number;
ClutterModifierType current_state;
/* the previous state, used for click count generation */
gint previous_x;
gint previous_y;
guint32 previous_time;
gint previous_button_number;
ClutterModifierType previous_state;
};
struct _ClutterStageManager
{
GObject parent_instance;
GSList *stages;
};
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;
};
#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_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_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)))
/* device manager */
void _clutter_device_manager_add_device (ClutterDeviceManager *device_manager,
ClutterInputDevice *device);
void _clutter_device_manager_remove_device (ClutterDeviceManager *device_manager,
ClutterInputDevice *device);
void _clutter_device_manager_update_devices (ClutterDeviceManager *device_manager);
/* input device */
void _clutter_input_device_set_coords (ClutterInputDevice *device,
gint x,
gint y);
void _clutter_input_device_set_state (ClutterInputDevice *device,
ClutterModifierType state);
void _clutter_input_device_set_time (ClutterInputDevice *device,
guint32 time_);
void _clutter_input_device_set_stage (ClutterInputDevice *device,
ClutterStage *stage);
void _clutter_input_device_set_actor (ClutterInputDevice *device,
ClutterActor *actor);
ClutterActor *_clutter_input_device_update (ClutterInputDevice *device);
/* stage manager */
void _clutter_stage_manager_add_stage (ClutterStageManager *stage_manager,
ClutterStage *stage);
void _clutter_stage_manager_remove_stage (ClutterStageManager *stage_manager,
ClutterStage *stage);
void _clutter_stage_manager_set_default_stage (ClutterStageManager *stage_manager,
ClutterStage *stage);
/* stage */
void _clutter_stage_set_window (ClutterStage *stage,
ClutterStageWindow *stage_window);
ClutterStageWindow *_clutter_stage_get_window (ClutterStage *stage);
ClutterStageWindow *_clutter_stage_get_default_window (void);
void _clutter_stage_maybe_setup_viewport (ClutterStage *stage);
void _clutter_stage_maybe_relayout (ClutterActor *stage);
gboolean _clutter_stage_needs_update (ClutterStage *stage);
gboolean _clutter_stage_do_update (ClutterStage *stage);
void _clutter_stage_queue_event (ClutterStage *stage,
ClutterEvent *event);
gboolean _clutter_stage_has_queued_events (ClutterStage *stage);
void _clutter_stage_process_queued_events (ClutterStage *stage);
void _clutter_stage_update_input_devices (ClutterStage *stage);
int _clutter_stage_get_pending_swaps (ClutterStage *stage);
/* vfuncs implemented by backend */
GType _clutter_backend_impl_get_type (void);
void _clutter_backend_redraw (ClutterBackend *backend,
ClutterStage *stage);
ClutterStageWindow *_clutter_backend_create_stage (ClutterBackend *backend,
ClutterStage *wrapper,
GError **error);
void _clutter_backend_ensure_context (ClutterBackend *backend,
ClutterStage *stage);
void _clutter_backend_ensure_context_internal
(ClutterBackend *backend,
ClutterStage *stage);
gboolean _clutter_backend_create_context (ClutterBackend *backend,
GError **error);
void _clutter_backend_add_options (ClutterBackend *backend,
GOptionGroup *group);
gboolean _clutter_backend_pre_parse (ClutterBackend *backend,
GError **error);
gboolean _clutter_backend_post_parse (ClutterBackend *backend,
GError **error);
void _clutter_backend_init_events (ClutterBackend *backend);
ClutterFeatureFlags _clutter_backend_get_features (ClutterBackend *backend);
gfloat _clutter_backend_get_units_per_em (ClutterBackend *backend,
PangoFontDescription *font_desc);
void _clutter_feature_init (void);
/* 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_actor_apply_modelview_transform_recursive (ClutterActor *self,
ClutterActor *ancestor);
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_run_repaint_functions (void);
gint32 _clutter_backend_get_units_serial (ClutterBackend *backend);
G_END_DECLS
#endif /* _HAVE_CLUTTER_PRIVATE_H */
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