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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
/*
* equalizer.c
* Copyright 2010-2011 John Lindgren
*
* 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
* provided with the distribution.
*
* This software is provided "as is" and without any warranty, express or
* implied. In no event shall the authors be liable for any damages arising from
* the use of this software.
*/
#include <math.h>
#include <libaudcore/audstrings.h>
#include <libaudcore/equalizer.h>
#include <libaudcore/hook.h>
#include <libaudcore/i18n.h>
#include <libaudcore/runtime.h>
#include "internal.h"
#include "libaudgui.h"
#include "libaudgui-gtk.h"
static void on_off_cb (GtkToggleButton * on_off)
{
aud_set_bool (nullptr, "equalizer_active", gtk_toggle_button_get_active (on_off));
}
static void on_off_update (void *, GtkWidget * on_off)
{
gtk_toggle_button_set_active ((GtkToggleButton *) on_off, aud_get_bool
(nullptr, "equalizer_active"));
}
static GtkWidget * create_on_off ()
{
GtkWidget * on_off = gtk_check_button_new_with_mnemonic (_("_Enable"));
g_signal_connect (on_off, "toggled", (GCallback) on_off_cb, nullptr);
hook_associate ("set equalizer_active", (HookFunction) on_off_update, on_off);
on_off_update (nullptr, on_off);
return on_off;
}
static void slider_moved (GtkRange * slider)
{
int band = GPOINTER_TO_INT (g_object_get_data ((GObject *) slider, "band"));
double value = round (gtk_range_get_value (slider));
if (band == -1)
aud_set_double (nullptr, "equalizer_preamp", value);
else
aud_eq_set_band (band, value);
}
static GtkWidget * create_slider (const char * name, int band, GtkWidget * hbox)
{
GtkWidget * vbox = gtk_vbox_new (false, 6);
GtkWidget * label = gtk_label_new (name);
gtk_label_set_angle ((GtkLabel *) label, 90);
gtk_box_pack_start ((GtkBox *) vbox, label, true, false, 0);
GtkWidget * slider = gtk_vscale_new_with_range (-AUD_EQ_MAX_GAIN, AUD_EQ_MAX_GAIN, 1);
gtk_scale_set_draw_value ((GtkScale *) slider, true);
gtk_scale_set_value_pos ((GtkScale *) slider, GTK_POS_BOTTOM);
gtk_range_set_inverted ((GtkRange *) slider, true);
gtk_widget_set_size_request (slider, -1, 120);
g_object_set_data ((GObject *) slider, "band", GINT_TO_POINTER (band));
g_signal_connect (slider, "value-changed", (GCallback) slider_moved, nullptr);
gtk_box_pack_start ((GtkBox *) vbox, slider, false, false, 0);
gtk_box_pack_start ((GtkBox *) hbox, vbox, false, false, 0);
return slider;
}
static void set_slider (GtkWidget * slider, double value)
{
g_signal_handlers_block_by_func (slider, (void *) slider_moved, nullptr);
gtk_range_set_value ((GtkRange *) slider, round (value));
g_signal_handlers_unblock_by_func (slider, (void *) slider_moved, nullptr);
}
static void update_sliders (void *, GtkWidget * window)
{
GtkWidget * preamp = (GtkWidget *) g_object_get_data ((GObject *) window, "preamp");
set_slider (preamp, aud_get_double (nullptr, "equalizer_preamp"));
double values[AUD_EQ_NBANDS];
aud_eq_get_bands (values);
for (int i = 0; i < AUD_EQ_NBANDS; i ++)
{
StringBuf slider_id = str_printf ("slider%d", i);
GtkWidget * slider = (GtkWidget *) g_object_get_data ((GObject *) window, slider_id);
set_slider (slider, values[i]);
}
}
static void destroy_cb ()
{
hook_dissociate ("set equalizer_active", (HookFunction) on_off_update);
hook_dissociate ("set equalizer_bands", (HookFunction) update_sliders);
hook_dissociate ("set equalizer_preamp", (HookFunction) update_sliders);
}
static GtkWidget * create_window ()
{
const char * const names[AUD_EQ_NBANDS] = {N_("31 Hz"), N_("63 Hz"),
N_("125 Hz"), N_("250 Hz"), N_("500 Hz"), N_("1 kHz"), N_("2 kHz"),
N_("4 kHz"), N_("8 kHz"), N_("16 kHz")};
GtkWidget * window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title ((GtkWindow *) window, _("Equalizer"));
gtk_window_set_type_hint ((GtkWindow *) window, GDK_WINDOW_TYPE_HINT_DIALOG);
gtk_window_set_resizable ((GtkWindow *) window, false);
gtk_container_set_border_width ((GtkContainer *) window, 6);
audgui_destroy_on_escape (window);
GtkWidget * vbox = gtk_vbox_new (false, 6);
gtk_container_add ((GtkContainer *) window, vbox);
gtk_box_pack_start ((GtkBox *) vbox, create_on_off (), false, false, 0);
GtkWidget * hbox = gtk_hbox_new (false, 6);
gtk_box_pack_start ((GtkBox *) vbox, hbox, false, false, 0);
GtkWidget * preamp = create_slider (_("Preamp"), -1, hbox);
g_object_set_data ((GObject *) window, "preamp", preamp);
gtk_box_pack_start ((GtkBox *) hbox, gtk_vseparator_new (), false, false, 0);
for (int i = 0; i < AUD_EQ_NBANDS; i ++)
{
StringBuf slider_id = str_printf ("slider%d", i);
GtkWidget * slider = create_slider (_(names[i]), i, hbox);
g_object_set_data ((GObject *) window, slider_id, slider);
}
update_sliders (nullptr, window);
hook_associate ("set equalizer_preamp", (HookFunction) update_sliders, window);
hook_associate ("set equalizer_bands", (HookFunction) update_sliders, window);
g_signal_connect (window, "destroy", (GCallback) destroy_cb, nullptr);
return window;
}
EXPORT void audgui_show_equalizer_window ()
{
if (! audgui_reshow_unique_window (AUDGUI_EQUALIZER_WINDOW))
audgui_show_unique_window (AUDGUI_EQUALIZER_WINDOW, create_window ());
}
EXPORT void audgui_hide_equalizer_window ()
{
audgui_hide_unique_window (AUDGUI_EQUALIZER_WINDOW);
}
|
