1 /* GDK - The GIMP Drawing Kit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GTK+ Team and others 1997-2010. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
27 #if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
28 #error "Only <gdk/gdk.h> can be included directly."
31 #ifndef __GDK_FRAME_CLOCK_H__
32 #define __GDK_FRAME_CLOCK_H__
34 #include <gdk/gdkframehistory.h>
38 typedef struct _GdkFrameClock GdkFrameClock;
39 typedef struct _GdkFrameClockInterface GdkFrameClockInterface;
41 #define GDK_TYPE_FRAME_CLOCK (gdk_frame_clock_get_type ())
42 #define GDK_FRAME_CLOCK(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_FRAME_CLOCK, GdkFrameClock))
43 #define GDK_IS_FRAME_CLOCK(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_FRAME_CLOCK))
44 #define GDK_FRAME_CLOCK_GET_IFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GDK_TYPE_FRAME_CLOCK, GdkFrameClockInterface))
47 GDK_FRAME_CLOCK_PHASE_NONE = 0,
48 GDK_FRAME_CLOCK_PHASE_FLUSH_EVENTS = 1 << 0,
49 GDK_FRAME_CLOCK_PHASE_BEFORE_PAINT = 1 << 1,
50 GDK_FRAME_CLOCK_PHASE_UPDATE = 1 << 2,
51 GDK_FRAME_CLOCK_PHASE_LAYOUT = 1 << 3,
52 GDK_FRAME_CLOCK_PHASE_PAINT = 1 << 4,
53 GDK_FRAME_CLOCK_PHASE_RESUME_EVENTS = 1 << 5,
54 GDK_FRAME_CLOCK_PHASE_AFTER_PAINT = 1 << 6
57 struct _GdkFrameClockInterface
59 GTypeInterface base_iface;
61 guint64 (* get_frame_time) (GdkFrameClock *clock);
63 void (* request_phase) (GdkFrameClock *clock,
64 GdkFrameClockPhase phase);
65 GdkFrameClockPhase (* get_requested) (GdkFrameClock *clock);
67 void (* freeze) (GdkFrameClock *clock);
68 void (* thaw) (GdkFrameClock *clock);
70 GdkFrameHistory * (* get_history) (GdkFrameClock *clock);
73 /* void (* frame_requested) (GdkFrameClock *clock); */
74 /* void (* flush_events) (GdkFrameClock *clock); */
75 /* void (* before_paint) (GdkFrameClock *clock); */
76 /* void (* update) (GdkFrameClock *clock); */
77 /* void (* layout) (GdkFrameClock *clock); */
78 /* void (* paint) (GdkFrameClock *clock); */
79 /* void (* after_paint) (GdkFrameClock *clock); */
80 /* void (* resume_events) (GdkFrameClock *clock); */
83 GType gdk_frame_clock_get_type (void) G_GNUC_CONST;
85 guint64 gdk_frame_clock_get_frame_time (GdkFrameClock *clock);
87 void gdk_frame_clock_request_phase (GdkFrameClock *clock,
88 GdkFrameClockPhase phase);
89 GdkFrameClockPhase gdk_frame_clock_get_requested (GdkFrameClock *clock);
91 void gdk_frame_clock_freeze (GdkFrameClock *clock);
92 void gdk_frame_clock_thaw (GdkFrameClock *clock);
94 GdkFrameHistory *gdk_frame_clock_get_history (GdkFrameClock *clock);
97 void gdk_frame_clock_get_frame_time_val (GdkFrameClock *clock,
100 void gdk_frame_clock_get_refresh_info (GdkFrameClock *clock,
102 gint64 *refresh_interval_return,
103 gint64 *presentation_time_return);
105 GdkFrameTimings *gdk_frame_clock_get_current_frame_timings (GdkFrameClock *clock);
107 /* Signal emitters (used in frame clock implementations) */
108 void gdk_frame_clock_frame_requested (GdkFrameClock *clock);
112 #endif /* __GDK_FRAME_CLOCK_H__ */