e4870ebaf4
This is still C, but at least we can get some sort of safety net when using the API correctly.
127 lines
6.0 KiB
C
127 lines
6.0 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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#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
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#error "Only <clutter/clutter.h> can be included directly."
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#endif
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#ifndef __CLUTTER_BACKEND_H__
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#define __CLUTTER_BACKEND_H__
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#include <cairo.h>
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#include <glib-object.h>
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#include <pango/pango.h>
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#include <clutter/clutter-actor.h>
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#include <clutter/clutter-device-manager.h>
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#include <clutter/clutter-event.h>
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#include <clutter/clutter-feature.h>
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#include <clutter/clutter-stage.h>
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#include <clutter/clutter-stage-window.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_BACKEND (clutter_backend_get_type ())
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#define CLUTTER_BACKEND(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_BACKEND, ClutterBackend))
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#define CLUTTER_IS_BACKEND(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_BACKEND))
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#define CLUTTER_BACKEND_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_BACKEND, ClutterBackendClass))
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#define CLUTTER_IS_BACKEND_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_BACKEND))
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#define CLUTTER_BACKEND_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_BACKEND, ClutterBackendClass))
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typedef struct _ClutterBackend ClutterBackend;
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typedef struct _ClutterBackendPrivate ClutterBackendPrivate;
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typedef struct _ClutterBackendClass ClutterBackendClass;
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struct _ClutterBackend
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{
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/*< private >*/
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GObject parent_instance;
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ClutterBackendPrivate *priv;
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};
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struct _ClutterBackendClass
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{
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/*< private >*/
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GObjectClass parent_class;
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/* vfuncs */
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gboolean (* pre_parse) (ClutterBackend *backend,
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GError **error);
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gboolean (* post_parse) (ClutterBackend *backend,
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GError **error);
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ClutterStageWindow * (* create_stage) (ClutterBackend *backend,
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ClutterStage *wrapper,
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GError **error);
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void (* init_events) (ClutterBackend *backend);
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void (* init_features) (ClutterBackend *backend);
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void (* add_options) (ClutterBackend *backend,
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GOptionGroup *group);
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ClutterFeatureFlags (* get_features) (ClutterBackend *backend);
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void (* redraw) (ClutterBackend *backend,
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ClutterStage *stage);
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gboolean (* create_context) (ClutterBackend *backend,
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GError **error);
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void (* ensure_context) (ClutterBackend *backend,
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ClutterStage *stage);
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ClutterDeviceManager *(* get_device_manager) (ClutterBackend *backend);
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void (* copy_event_data) (ClutterBackend *backend,
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const ClutterEvent *src,
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ClutterEvent *dest);
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void (* free_event_data) (ClutterBackend *backend,
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ClutterEvent *event);
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/* signals */
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void (* resolution_changed) (ClutterBackend *backend);
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void (* font_changed) (ClutterBackend *backend);
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void (* settings_changed) (ClutterBackend *backend);
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};
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GType clutter_backend_get_type (void) G_GNUC_CONST;
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ClutterBackend *clutter_get_default_backend (void);
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#ifndef CLUTTER_DISABLE_DEPRECATED
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void clutter_backend_set_resolution (ClutterBackend *backend,
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gdouble dpi);
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void clutter_backend_set_double_click_time (ClutterBackend *backend,
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guint msec);
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guint clutter_backend_get_double_click_time (ClutterBackend *backend);
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void clutter_backend_set_double_click_distance (ClutterBackend *backend,
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guint distance);
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guint clutter_backend_get_double_click_distance (ClutterBackend *backend);
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void clutter_backend_set_font_name (ClutterBackend *backend,
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const gchar *font_name);
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G_CONST_RETURN gchar * clutter_backend_get_font_name (ClutterBackend *backend);
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#endif /* CLUTTER_DISABLE_DEPRECATED */
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gdouble clutter_backend_get_resolution (ClutterBackend *backend);
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void clutter_backend_set_font_options (ClutterBackend *backend,
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const cairo_font_options_t *options);
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const cairo_font_options_t *clutter_backend_get_font_options (ClutterBackend *backend);
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G_END_DECLS
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#endif /* __CLUTTER_BACKEND_H__ */
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