Mixer
/* $Id$ */
/* Copyright (c) 2017-2018 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. */
#include <libintl.h>
#include <System/object.h>
#include <Desktop.h>
#include "Mixer/control.h"
#define _(string) gettext(string)
/* MixerControlMute */
/* private */
/* types */
struct _MixerControlPlugin
{
MixerControlPluginHelper * helper;
GtkWidget * widget;
GtkWidget * mute;
#if !GTK_CHECK_VERSION(3, 0, 0)
GtkWidget * mute_image;
#endif
};
/* prototypes */
/* control */
static MixerControlPlugin * _mute_init(MixerControlPluginHelper * helper,
String const * type, va_list properties);
static void _mute_destroy(MixerControlPlugin * mute);
static int _mute_get(MixerControlPlugin * mute, va_list properties);
static String const * _mute_get_type(MixerControlPlugin * mute);
static GtkWidget * _mute_get_widget(MixerControlPlugin * mute);
static int _mute_set(MixerControlPlugin * mute, va_list properties);
/* callbacks */
#if GTK_CHECK_VERSION(3, 0, 0)
static void _mute_on_notify_active(gpointer data);
#else
static void _mute_on_toggled(gpointer data);
#endif
/* public */
/* variables */
MixerControlDefinition control =
{
NULL,
"Mute button",
NULL,
_mute_init,
_mute_destroy,
_mute_get,
_mute_get_type,
_mute_get_widget,
_mute_set
};
/* private */
/* functions */
/* mute_init */
static MixerControlPlugin * _mute_init(MixerControlPluginHelper * helper,
String const * type, va_list properties)
{
MixerControlPlugin * mute;
#if !GTK_CHECK_VERSION(3, 0, 0)
GtkWidget * hbox;
GtkWidget * widget;
#endif
(void) type;
if((mute = object_new(sizeof(*mute))) == NULL)
return NULL;
mute->helper = helper;
mute->widget = gtk_box_new(GTK_ORIENTATION_VERTICAL, 4);
gtk_container_set_border_width(GTK_CONTAINER(mute->widget), 4);
#if GTK_CHECK_VERSION(3, 0, 0)
mute->mute = gtk_switch_new();
g_signal_connect_swapped(mute->mute, "notify::active",
G_CALLBACK(_mute_on_notify_active), mute);
#else
mute->mute = gtk_toggle_button_new();
hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 4);
mute->mute_image = gtk_image_new_from_icon_name("audio-volume-high",
GTK_ICON_SIZE_BUTTON);
gtk_box_pack_start(GTK_BOX(hbox), mute->mute_image, FALSE, TRUE, 0);
widget = gtk_label_new(_("Mute"));
gtk_box_pack_start(GTK_BOX(hbox), widget, TRUE, TRUE, 0);
gtk_container_add(GTK_CONTAINER(mute->mute), hbox);
g_signal_connect_swapped(mute->mute, "toggled",
G_CALLBACK(_mute_on_toggled), mute);
#endif
gtk_box_pack_end(GTK_BOX(mute->widget), mute->mute, FALSE, TRUE, 0);
if(_mute_set(mute, properties) != 0)
{
_mute_destroy(mute);
return NULL;
}
return mute;
}
/* mute_destroy */
static void _mute_destroy(MixerControlPlugin * mute)
{
object_delete(mute);
}
/* accessors */
/* mute_get */
static int _mute_get(MixerControlPlugin * mute, va_list properties)
{
String const * p;
gboolean * b;
while((p = va_arg(properties, String const *)) != NULL)
if(string_compare(p, "value") == 0)
{
b = va_arg(properties, gboolean *);
# if GTK_CHECK_VERSION(3, 0, 0)
*b = gtk_switch_get_active(GTK_SWITCH(mute->mute))
? 0 : 1; /* XXX assumes 1 is "off" */
# else
*b = gtk_toggle_button_get_active(
GTK_TOGGLE_BUTTON(mute->mute))
? 1 : 0; /* XXX assumes 0 is "off" */
# endif
}
/* FIXME implement the rest */
else
return -1;
return 0;
}
/* mute_get_type */
static String const * _mute_get_type(MixerControlPlugin * mute)
{
(void) mute;
return "mute";
}
/* mute_get_widget */
static GtkWidget * _mute_get_widget(MixerControlPlugin * mute)
{
return mute->widget;
}
/* mute_set */
static int _mute_set(MixerControlPlugin * mute, va_list properties)
{
String const * p;
gboolean value;
while((p = va_arg(properties, String const *)) != NULL)
{
if(string_compare(p, "value") == 0)
{
value = va_arg(properties, gboolean);
#if GTK_CHECK_VERSION(3, 0, 0)
gtk_switch_set_active(GTK_SWITCH(mute->mute), value);
#else
gtk_toggle_button_set_active(
GTK_TOGGLE_BUTTON(mute->mute), value);
#endif
}
else
/* FIXME report the error */
return -1;
}
return 0;
}
/* callbacks */
#if GTK_CHECK_VERSION(3, 0, 0)
/* mute_on_notify_active */
static void _mute_on_notify_active(gpointer data)
{
MixerControlPlugin * mute = data;
mute->helper->mixercontrol_set(mute->helper->control);
}
#else
/* mute_on_toggled */
static void _mute_on_toggled(gpointer data)
{
MixerControlPlugin * mute = data;
gboolean active;
active = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(mute->mute));
gtk_image_set_from_icon_name(GTK_IMAGE(mute->mute_image),
active ? "audio-volume-muted" : "audio-volume-high",
GTK_ICON_SIZE_BUTTON);
mute->helper->mixercontrol_set(mute->helper->control);
}
#endif