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/*
* 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;
CoglOnscreen *dummy_onscreen;
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);
void _clutter_backend_reset_cogl_framebuffer (ClutterBackend *backend);
void clutter_set_allowed_drivers (const char *drivers);
void clutter_try_set_windowing_backend (const char *drivers);
G_END_DECLS
#endif /* __CLUTTER_BACKEND_PRIVATE_H__ */
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