1 /*
2  * Copyright (C) 2002 2003 2004, Magnus Hjorth
3  *
4  * This file is part of mhWaveEdit.
5  *
6  * mhWaveEdit is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * mhWaveEdit is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with mhWaveEdit; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20 
21 
22 #ifndef VU_METER_H_INCLUDED
23 #define VU_METER_H_INCLUDED
24 
25 #include <gtk/gtk.h>
26 
27 #define VU_METER(obj) GTK_CHECK_CAST(obj,vu_meter_get_type(),VuMeter)
28 #define VU_METER_CLASS(klass) GTK_CHECK_CLASS_CAST(klass,vu_meter_get_type(),VuMeterClass)
29 #define IS_VU_METER(obj) GTK_CHECK_TYPE(obj,vu_meter_get_type())
30 
31 typedef struct {
32      GtkDrawingArea da;
33      gfloat value; /* Between 0 and 1 */
34      gfloat goal;
35      GTimeVal valuetime;
36 } VuMeter;
37 
38 typedef struct {
39      GtkDrawingAreaClass dac;
40 } VuMeterClass;
41 
42 GtkType vu_meter_get_type(void);
43 GtkWidget *vu_meter_new(gfloat value);
44 void vu_meter_set_value(VuMeter *v, gfloat value);
45 void vu_meter_update(VuMeter *v);
46 
47 #endif
48