938eea175f
The whole of ClutterBackend is a final/protected type, so having a bunch of instance fields and an instance private data structure is redundant at best, and less efficient at worst.
155 lines
8.0 KiB
C
155 lines
8.0 KiB
C
/*
|
|
* Clutter.
|
|
*
|
|
* An OpenGL based 'interactive canvas' library.
|
|
*
|
|
* Copyright (C) 2010 Intel Corporation.
|
|
*
|
|
* 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_BACKEND_PRIVATE_H__
|
|
#define __CLUTTER_BACKEND_PRIVATE_H__
|
|
|
|
#include <clutter/clutter-backend.h>
|
|
#include <clutter/clutter-device-manager.h>
|
|
#include <clutter/clutter-stage-window.h>
|
|
|
|
#include "clutter-event-translator.h"
|
|
|
|
#define CLUTTER_BACKEND_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_BACKEND, ClutterBackendClass))
|
|
#define CLUTTER_IS_BACKEND_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_BACKEND))
|
|
#define CLUTTER_BACKEND_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_BACKEND, ClutterBackendClass))
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
typedef struct _ClutterBackendPrivate ClutterBackendPrivate;
|
|
|
|
struct _ClutterBackend
|
|
{
|
|
/*< private >*/
|
|
GObject parent_instance;
|
|
|
|
CoglRenderer *cogl_renderer;
|
|
CoglDisplay *cogl_display;
|
|
CoglContext *cogl_context;
|
|
GSource *cogl_source;
|
|
|
|
ClutterDeviceManager *device_manager;
|
|
|
|
cairo_font_options_t *font_options;
|
|
|
|
gchar *font_name;
|
|
|
|
gfloat units_per_em;
|
|
gint32 units_serial;
|
|
|
|
GList *event_translators;
|
|
};
|
|
|
|
struct _ClutterBackendClass
|
|
{
|
|
/*< private >*/
|
|
GObjectClass parent_class;
|
|
|
|
GType stage_window_type;
|
|
|
|
/* vfuncs */
|
|
gboolean (* pre_parse) (ClutterBackend *backend,
|
|
GError **error);
|
|
gboolean (* post_parse) (ClutterBackend *backend,
|
|
GError **error);
|
|
ClutterStageWindow * (* create_stage) (ClutterBackend *backend,
|
|
ClutterStage *wrapper,
|
|
GError **error);
|
|
void (* init_events) (ClutterBackend *backend);
|
|
void (* init_features) (ClutterBackend *backend);
|
|
void (* add_options) (ClutterBackend *backend,
|
|
GOptionGroup *group);
|
|
ClutterFeatureFlags (* get_features) (ClutterBackend *backend);
|
|
CoglRenderer * (* get_renderer) (ClutterBackend *backend,
|
|
GError **error);
|
|
CoglDisplay * (* get_display) (ClutterBackend *backend,
|
|
CoglRenderer *renderer,
|
|
CoglSwapChain *swap_chain,
|
|
GError **error);
|
|
gboolean (* create_context) (ClutterBackend *backend,
|
|
GError **error);
|
|
void (* ensure_context) (ClutterBackend *backend,
|
|
ClutterStage *stage);
|
|
ClutterDeviceManager *(* get_device_manager) (ClutterBackend *backend);
|
|
|
|
void (* copy_event_data) (ClutterBackend *backend,
|
|
const ClutterEvent *src,
|
|
ClutterEvent *dest);
|
|
void (* free_event_data) (ClutterBackend *backend,
|
|
ClutterEvent *event);
|
|
|
|
gboolean (* translate_event) (ClutterBackend *backend,
|
|
gpointer native,
|
|
ClutterEvent *event);
|
|
|
|
PangoDirection (* get_keymap_direction) (ClutterBackend *backend);
|
|
|
|
/* signals */
|
|
void (* resolution_changed) (ClutterBackend *backend);
|
|
void (* font_changed) (ClutterBackend *backend);
|
|
void (* settings_changed) (ClutterBackend *backend);
|
|
};
|
|
|
|
ClutterBackend * _clutter_create_backend (void);
|
|
|
|
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);
|
|
void _clutter_backend_copy_event_data (ClutterBackend *backend,
|
|
const ClutterEvent *src,
|
|
ClutterEvent *dest);
|
|
void _clutter_backend_free_event_data (ClutterBackend *backend,
|
|
ClutterEvent *event);
|
|
gboolean _clutter_backend_translate_event (ClutterBackend *backend,
|
|
gpointer native,
|
|
ClutterEvent *event);
|
|
void _clutter_backend_add_event_translator (ClutterBackend *backend,
|
|
ClutterEventTranslator *translator);
|
|
void _clutter_backend_remove_event_translator (ClutterBackend *backend,
|
|
ClutterEventTranslator *translator);
|
|
|
|
ClutterFeatureFlags _clutter_backend_get_features (ClutterBackend *backend);
|
|
|
|
gfloat _clutter_backend_get_units_per_em (ClutterBackend *backend,
|
|
PangoFontDescription *font_desc);
|
|
gint32 _clutter_backend_get_units_serial (ClutterBackend *backend);
|
|
|
|
PangoDirection _clutter_backend_get_keymap_direction (ClutterBackend *backend);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __CLUTTER_BACKEND_PRIVATE_H__ */
|