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radio_helper.c
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1 /**********************************************************
2 *
3 * mp3splt-gtk -- utility based on mp3splt,
4 * for mp3/ogg splitting without decoding
5 *
6 * Copyright: (C) 2005-2012 Alexandru Munteanu
7 * Contact: io_fx@yahoo.fr
8 *
9 * http://mp3splt.sourceforge.net/
10 *
11 *********************************************************/
12
13 /**********************************************************
14 *
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License
17 * as published by the Free Software Foundation; either version 2
18 * of the License, or (at your option) any later version.
19 *
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
28 * USA.
29 *
30 *********************************************************/
31
32 /*!********************************************************
33 * \file
34 *
35 * this file contains the code for the radio button helpers.
36 ********************************************************/
37
38 #include "radio_helper.h"
39
40 GtkWidget *rh_append_radio_to_vbox(GtkWidget *radio_button, const gchar *text,
41 gint value,
42 void (*callback)(GtkToggleButton *, gpointer),
43 GtkWidget *vbox)
44 {
45 GtkWidget *new_radio_button =
46 gtk_radio_button_new_with_label_from_widget(GTK_RADIO_BUTTON(radio_button), text);
47 gtk_box_pack_start(GTK_BOX(vbox), new_radio_button, FALSE, FALSE, 0);
48
49 if (callback)
50 {
51 g_signal_connect(GTK_TOGGLE_BUTTON(new_radio_button), "toggled", G_CALLBACK(callback),
52 NULL);
53 }
54
55 g_object_set_data(G_OBJECT(new_radio_button), "value", GINT_TO_POINTER(value));
56
57 return new_radio_button;
58 }
59
60 gint rh_get_active_value(GtkWidget *radio_button)
61 {
62 gint active_value = -1;
63 GSList *radio_button_list = gtk_radio_button_get_group(GTK_RADIO_BUTTON(radio_button));
64
65 gint i = 0;
66 for(i = 0; i < g_slist_length(radio_button_list);i++)
67 {
68 GtkRadioButton *current_radio = (GtkRadioButton *) g_slist_nth_data(radio_button_list, i);
69 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(current_radio)))
70 {
71 active_value = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(current_radio), "value"));
72 break;
73 }
74 }
75
76 return active_value;
77 }
78
79 GtkWidget *rh_get_radio_from_value(GtkWidget *radio_button, gint value)
80 {
81 GtkWidget *radio = NULL;
82 GSList *radio_button_list = gtk_radio_button_get_group(GTK_RADIO_BUTTON(radio_button));
83
84 gint i = 0;
85 for(i = 0; i < g_slist_length(radio_button_list);i++)
86 {
87 GtkRadioButton *current_radio = (GtkRadioButton *) g_slist_nth_data(radio_button_list, i);
88 gint current_value = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(current_radio), "value"));
89 if (current_value == value)
90 {
91 radio = GTK_WIDGET(current_radio);
92 break;
93 }
94 }
95
96 return radio;
97 }
98