1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/*
* Copyright (C) 2013 Collabora Ltd.
*
* Author: Emilio Pozuelo Monfort <emilio.pozuelo@collabora.co.uk>
*/
#include "config.h"
#include "sound-applet.h"
#include <gio/gio.h>
#include <gtk/gtk.h>
enum {
PROP_0,
};
struct WestonGtkSoundAppletPrivate {
GtkWidget *image;
GtkWidget *scale;
GSettings *settings;
};
G_DEFINE_TYPE(WestonGtkSoundApplet, weston_gtk_sound_applet, GTK_TYPE_BOX)
static void
value_changed_cb (GtkRange *range,
WestonGtkSoundApplet *self)
{
GError *error = NULL;
gdouble value;
gchar *cmd;
value = gtk_range_get_value (range);
cmd = g_strdup_printf ("amixer set PCM %d%%", (int) value);
g_spawn_command_line_async (cmd, &error);
if (error)
{
g_print ("failed to set volume: %s\n", error->message);
g_clear_error (&error);
}
g_free (cmd);
}
static void
weston_gtk_sound_applet_dispose (GObject *object)
{
WestonGtkSoundApplet *self = WESTON_GTK_SOUND_APPLET (object);
g_clear_object (&self->priv->settings);
G_OBJECT_CLASS (weston_gtk_sound_applet_parent_class)->dispose (object);
}
static void
weston_gtk_sound_applet_init (WestonGtkSoundApplet *self)
{
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
WESTON_GTK_TYPE_SOUND_APPLET,
WestonGtkSoundAppletPrivate);
self->priv->settings = g_settings_new ("org.raspberrypi.weston-gtk-shell");
gtk_orientable_set_orientation (GTK_ORIENTABLE (self), GTK_ORIENTATION_HORIZONTAL);
/* FIXME: make this nicer. GtkVolumeButton doesn't work well for us
* because the scale will be placed behind the panel. But we can
* mimic/reimplement it... or fix GtkVolumeButton.
*/
self->priv->image = gtk_image_new_from_icon_name ("audio-volume-high", GTK_ICON_SIZE_MENU);
gtk_box_pack_start (GTK_BOX (self), self->priv->image, FALSE, FALSE, 0);
self->priv->scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL,
0, 100, 1);
gtk_scale_set_draw_value (GTK_SCALE (self->priv->scale), FALSE);
gtk_widget_set_size_request (self->priv->scale, 100, -1);
g_signal_connect (self->priv->scale, "value-changed",
G_CALLBACK (value_changed_cb), self);
gtk_box_pack_start (GTK_BOX (self), self->priv->scale, FALSE, FALSE, 0);
}
static void
weston_gtk_sound_applet_class_init (WestonGtkSoundAppletClass *klass)
{
GObjectClass *object_class = (GObjectClass *)klass;
object_class->dispose = weston_gtk_sound_applet_dispose;
g_type_class_add_private (object_class, sizeof (WestonGtkSoundAppletPrivate));
}
GtkWidget *
weston_gtk_sound_applet_new (void)
{
return g_object_new (WESTON_GTK_TYPE_SOUND_APPLET, NULL);
}
|