Mixer
/* $Id$ */
/* Copyright (c) 2017 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Mixer */
/* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
#ifndef DESKTOP_MIXER_CONTROL_H
# define DESKTOP_MIXER_CONTROL_H
# include <stdarg.h>
# include <gtk/gtk.h>
# include <System/string.h>
/* MixerControlPlugin */
typedef struct _MixerControl MixerControl;
typedef struct _MixerControlPlugin MixerControlPlugin;
typedef struct _MixerControlPluginHelper
{
MixerControl * control;
int (*mixercontrol_set)(MixerControl * control);
} MixerControlPluginHelper;
typedef struct _MixerControlDefinition
{
String const * icon;
String const * name;
String const * description;
/* callbacks */
MixerControlPlugin * (*init)(MixerControlPluginHelper * helper,
String const * type, va_list properties);
void (*destroy)(MixerControlPlugin * plugin);
int (*get)(MixerControlPlugin * plugin, va_list properties);
String const * (*get_type)(MixerControlPlugin * plugin);
GtkWidget * (*get_widget)(MixerControlPlugin * plugin);
int (*set)(MixerControlPlugin * plugin, va_list properties);
} MixerControlDefinition;
#endif /* !DESKTOP_MIXER_CONTROL_H */