1d7a79f343
The master clock is using the redraw priority to create the source that will be used to spin the paint sequence if something is being animated using a timeline. Unfortunately, the priority is too high and this causes starvation when embedding into other toolkits -- like gtk+. Thanks to Havoc Pennington for catching this.
172 lines
6.6 KiB
C
172 lines
6.6 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_MAIN_H__
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#define __CLUTTER_MAIN_H__
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#include <clutter/clutter-actor.h>
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#include <clutter/clutter-stage.h>
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#include <pango/pango.h>
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G_BEGIN_DECLS
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/**
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* CLUTTER_INIT_ERROR:
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*
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* #GError domain for #ClutterInitError
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*/
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#define CLUTTER_INIT_ERROR (clutter_init_error_quark ())
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/**
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* ClutterInitError:
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* @CLUTTER_INIT_SUCCESS: Initialisation successful
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* @CLUTTER_INIT_ERROR_UNKNOWN: Unknown error
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* @CLUTTER_INIT_ERROR_THREADS: Thread initialisation failed
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* @CLUTTER_INIT_ERROR_BACKEND: Backend initialisation failed
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* @CLUTTER_INIT_ERROR_INTERNAL: Internal error
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*
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* Error conditions returned by clutter_init() and clutter_init_with_args().
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*
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* Since: 0.2
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*/
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typedef enum {
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CLUTTER_INIT_SUCCESS = 1,
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CLUTTER_INIT_ERROR_UNKNOWN = 0,
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CLUTTER_INIT_ERROR_THREADS = -1,
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CLUTTER_INIT_ERROR_BACKEND = -2,
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CLUTTER_INIT_ERROR_INTERNAL = -3
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} ClutterInitError;
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GQuark clutter_init_error_quark (void);
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/**
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* CLUTTER_PRIORITY_REDRAW:
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*
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* Priority of the redraws.
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*
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* Since: 0.8
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*/
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#define CLUTTER_PRIORITY_REDRAW (G_PRIORITY_HIGH_IDLE + 20)
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/**
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* CLUTTER_PRIORITY_TIMELINE:
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*
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* Priority of the timelines.
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*
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* Since: 0.8
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*/
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#define CLUTTER_PRIORITY_TIMELINE (G_PRIORITY_DEFAULT + 30)
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/* Initialisation */
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void clutter_base_init (void);
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ClutterInitError clutter_init (int *argc,
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char ***argv);
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ClutterInitError clutter_init_with_args (int *argc,
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char ***argv,
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const char *parameter_string,
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GOptionEntry *entries,
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const char *translation_domain,
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GError **error);
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GOptionGroup * clutter_get_option_group (void);
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GOptionGroup * clutter_get_option_group_without_init (void);
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/* Mainloop */
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void clutter_main (void);
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void clutter_main_quit (void);
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gint clutter_main_level (void);
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void clutter_redraw (ClutterStage *stage);
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void clutter_do_event (ClutterEvent *event);
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/* Debug utility functions */
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gboolean clutter_get_debug_enabled (void);
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gboolean clutter_get_show_fps (void);
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gulong clutter_get_timestamp (void);
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/* Threading functions */
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void clutter_threads_init (void);
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void clutter_threads_enter (void);
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void clutter_threads_leave (void);
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void clutter_threads_set_lock_functions (GCallback enter_fn,
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GCallback leave_fn);
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guint clutter_threads_add_idle (GSourceFunc func,
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gpointer data);
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guint clutter_threads_add_idle_full (gint priority,
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GSourceFunc func,
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gpointer data,
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GDestroyNotify notify);
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guint clutter_threads_add_timeout (guint interval,
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GSourceFunc func,
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gpointer data);
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guint clutter_threads_add_timeout_full (gint priority,
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guint interval,
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GSourceFunc func,
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gpointer data,
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GDestroyNotify notify);
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guint clutter_threads_add_frame_source (guint fps,
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GSourceFunc func,
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gpointer data);
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guint clutter_threads_add_frame_source_full
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(gint priority,
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guint fps,
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GSourceFunc func,
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gpointer data,
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GDestroyNotify notify);
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void clutter_set_motion_events_enabled (gboolean enable);
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gboolean clutter_get_motion_events_enabled (void);
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void clutter_set_motion_events_frequency (guint frequency);
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guint clutter_get_motion_events_frequency (void);
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void clutter_set_default_frame_rate (guint frames_per_sec);
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guint clutter_get_default_frame_rate (void);
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void clutter_grab_pointer (ClutterActor *actor);
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void clutter_ungrab_pointer (void);
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ClutterActor * clutter_get_pointer_grab (void);
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void clutter_grab_keyboard (ClutterActor *actor);
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void clutter_ungrab_keyboard (void);
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ClutterActor * clutter_get_keyboard_grab (void);
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void clutter_clear_glyph_cache (void);
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void clutter_set_font_flags (ClutterFontFlags flags);
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ClutterFontFlags clutter_get_font_flags (void);
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ClutterInputDevice* clutter_get_input_device_for_id (gint id);
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void clutter_grab_pointer_for_device (ClutterActor *actor,
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gint id);
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void clutter_ungrab_pointer_for_device (gint id);
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PangoFontMap * clutter_get_font_map (void);
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G_END_DECLS
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#endif /* _CLUTTER_MAIN_H__ */
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