mp3splt-gtk

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combo_helper.c
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1 /**********************************************************
2 *
3 * mp3splt-gtk -- utility based on mp3splt,
4 *
5 * for mp3/ogg splitting without decoding
6 * Copyright: (C) 2005-2013 Alexandru Munteanu
7 * Contact: m@ioalex.net
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
28 * USA.
29 *
30 *********************************************************/
31
32 /*!********************************************************
33 * \file
34 *
35 * this file contains the code for the combo helpers.
36 ********************************************************/
37
38 #include <string.h>
39
40 #include "combo_helper.h"
41
42 GtkComboBox *ch_new_combo()
43 {
44 GtkListStore *store = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
45 GtkComboBox *combo = GTK_COMBO_BOX(
46 gtk_combo_box_new_with_model(GTK_TREE_MODEL(store)));
47
48 GtkCellRenderer *cell = gtk_cell_renderer_text_new();
49 gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo), cell, TRUE);
50 gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo), cell, "text", 0, NULL);
51
52 return combo;
53 }
54
55 void ch_append_to_combo(GtkComboBox *combo, const gchar *text, gint value)
56 {
57 GtkTreeIter iter;
58 GtkListStore *store = GTK_LIST_STORE(gtk_combo_box_get_model(combo));
59 gtk_list_store_append(store, &iter);
60 gtk_list_store_set(store, &iter, 0, text, 1, value, -1);
61 }
62
63 gchar *ch_get_active_str_value(GtkComboBox *combo)
64 {
65 gchar *value = NULL;
66
67 GtkTreeIter iter;
68 gboolean has_selection = gtk_combo_box_get_active_iter(combo, &iter);
69
70 if (has_selection)
71 {
72 GtkTreeModel *store = gtk_combo_box_get_model(combo);
73 gtk_tree_model_get(store, &iter, 0, &value, -1);
74 }
75
76 return value;
77 }
78
79 gint ch_get_active_value(GtkComboBox *combo)
80 {
81 gint value = -1;
82
83 GtkTreeIter iter;
84 gboolean has_selection = gtk_combo_box_get_active_iter(combo, &iter);
85
86 if (has_selection)
87 {
88 GtkTreeModel *store = gtk_combo_box_get_model(combo);
89 gtk_tree_model_get(store, &iter, 1, &value, -1);
90 }
91
92 return value;
93 }
94
95 void ch_set_active_str_value(GtkComboBox *combo, gchar *new_value)
96 {
97 GtkTreeIter iter;
98 GtkTreeModel *store = gtk_combo_box_get_model(combo);
99
100 gboolean valid_row = gtk_tree_model_get_iter_first(store, &iter);
101 while (valid_row)
102 {
103 gchar *value;
104 gtk_tree_model_get(store, &iter, 0, &value, -1);
105
106 if (strcmp(value, new_value) == 0)
107 {
108 gtk_combo_box_set_active_iter(combo, &iter);
109 g_free(value);
110 return;
111 }
112
113 valid_row = gtk_tree_model_iter_next(store, &iter);
114 g_free(value);
115 }
116 }
117
118 void ch_set_active_value(GtkComboBox *combo, gint new_value)
119 {
120 GtkTreeIter iter;
121 GtkTreeModel *store = gtk_combo_box_get_model(combo);
122
123 gboolean valid_row = gtk_tree_model_get_iter_first(store, &iter);
124 while (valid_row)
125 {
126 gint value;
127 gtk_tree_model_get(store, &iter, 1, &value, -1);
128
129 if (value == new_value)
130 {
131 gtk_combo_box_set_active_iter(combo, &iter);
132 return;
133 }
134
135 valid_row = gtk_tree_model_iter_next(store, &iter);
136 }
137 }
138