1 /* GIMP - The GNU Image Manipulation Program
2 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
3 *
4 * gimplanguagestore.c
5 * Copyright (C) 2008, 2009 Sven Neumann <sven@gimp.org>
6 *
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
19 */
20
21 #include "config.h"
22
23 #include <string.h>
24
25 #include <gtk/gtk.h>
26
27 #include "widgets-types.h"
28
29 #include "gimplanguagestore.h"
30 #include "gimplanguagestore-parser.h"
31
32
33 static void gimp_language_store_constructed (GObject *object);
34
35 static void gimp_language_store_real_add (GimpLanguageStore *store,
36 const gchar *label,
37 const gchar *code);
38
39 static gint gimp_language_store_sort (GtkTreeModel *model,
40 GtkTreeIter *a,
41 GtkTreeIter *b,
42 gpointer userdata);
43
44
G_DEFINE_TYPE(GimpLanguageStore,gimp_language_store,GTK_TYPE_LIST_STORE)45 G_DEFINE_TYPE (GimpLanguageStore, gimp_language_store, GTK_TYPE_LIST_STORE)
46
47 #define parent_class gimp_language_store_parent_class
48
49
50 static void
51 gimp_language_store_class_init (GimpLanguageStoreClass *klass)
52 {
53 GObjectClass *object_class = G_OBJECT_CLASS (klass);
54
55 object_class->constructed = gimp_language_store_constructed;
56
57 klass->add = gimp_language_store_real_add;
58 }
59
60 static void
gimp_language_store_init(GimpLanguageStore * store)61 gimp_language_store_init (GimpLanguageStore *store)
62 {
63 GType column_types[2] = { G_TYPE_STRING, G_TYPE_STRING };
64
65 gtk_list_store_set_column_types (GTK_LIST_STORE (store),
66 G_N_ELEMENTS (column_types), column_types);
67
68 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (store),
69 GIMP_LANGUAGE_STORE_LABEL,
70 gimp_language_store_sort, NULL, NULL);
71 gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (store),
72 GIMP_LANGUAGE_STORE_LABEL,
73 GTK_SORT_ASCENDING);
74 }
75
76 static void
gimp_language_store_constructed(GObject * object)77 gimp_language_store_constructed (GObject *object)
78 {
79 GHashTable *lang_list;
80 GHashTableIter lang_iter;
81 gpointer code;
82 gpointer name;
83
84 G_OBJECT_CLASS (parent_class)->constructed (object);
85
86 lang_list = gimp_language_store_parser_get_languages (FALSE);
87 g_return_if_fail (lang_list != NULL);
88
89 g_hash_table_iter_init (&lang_iter, lang_list);
90
91 while (g_hash_table_iter_next (&lang_iter, &code, &name))
92 GIMP_LANGUAGE_STORE_GET_CLASS (object)->add (GIMP_LANGUAGE_STORE (object),
93 name, code);
94 }
95
96 static void
gimp_language_store_real_add(GimpLanguageStore * store,const gchar * label,const gchar * code)97 gimp_language_store_real_add (GimpLanguageStore *store,
98 const gchar *label,
99 const gchar *code)
100 {
101 GtkTreeIter iter;
102
103 gtk_list_store_append (GTK_LIST_STORE (store), &iter);
104 gtk_list_store_set (GTK_LIST_STORE (store), &iter,
105 GIMP_LANGUAGE_STORE_LABEL, label,
106 GIMP_LANGUAGE_STORE_CODE, code,
107 -1);
108 }
109
110 static gint
gimp_language_store_sort(GtkTreeModel * model,GtkTreeIter * a,GtkTreeIter * b,gpointer userdata)111 gimp_language_store_sort (GtkTreeModel *model,
112 GtkTreeIter *a,
113 GtkTreeIter *b,
114 gpointer userdata)
115 {
116 GValue avalue = G_VALUE_INIT;
117 GValue bvalue = G_VALUE_INIT;
118 gint cmp = 0;
119
120 /* keep system language at the top of the list */
121 gtk_tree_model_get_value (model, a, GIMP_LANGUAGE_STORE_CODE, &avalue);
122 gtk_tree_model_get_value (model, b, GIMP_LANGUAGE_STORE_CODE, &bvalue);
123
124 if (g_strcmp0 ("", g_value_get_string (&avalue)) == 0)
125 cmp = -1;
126
127 if (g_strcmp0 ("", g_value_get_string (&bvalue)) == 0)
128 cmp = 1;
129
130 g_value_unset (&avalue);
131 g_value_unset (&bvalue);
132
133 if (cmp)
134 return cmp;
135
136 /* sort labels alphabetically */
137 gtk_tree_model_get_value (model, a, GIMP_LANGUAGE_STORE_LABEL, &avalue);
138 gtk_tree_model_get_value (model, b, GIMP_LANGUAGE_STORE_LABEL, &bvalue);
139
140 cmp = g_utf8_collate (g_value_get_string (&avalue),
141 g_value_get_string (&bvalue));
142
143 g_value_unset (&avalue);
144 g_value_unset (&bvalue);
145
146 return cmp;
147 }
148
149 GtkListStore *
gimp_language_store_new(void)150 gimp_language_store_new (void)
151 {
152 return g_object_new (GIMP_TYPE_LANGUAGE_STORE, NULL);
153 }
154
155 gboolean
gimp_language_store_lookup(GimpLanguageStore * store,const gchar * code,GtkTreeIter * iter)156 gimp_language_store_lookup (GimpLanguageStore *store,
157 const gchar *code,
158 GtkTreeIter *iter)
159 {
160 GtkTreeModel *model;
161 const gchar *hyphen;
162 gint len;
163 gboolean iter_valid;
164
165 g_return_val_if_fail (GIMP_IS_LANGUAGE_STORE (store), FALSE);
166 g_return_val_if_fail (code != NULL, FALSE);
167 g_return_val_if_fail (iter != NULL, FALSE);
168
169 /* We accept the code in RFC-3066 format here and only look at what's
170 * before the first hyphen.
171 */
172 hyphen = strchr (code, '-');
173
174 if (hyphen)
175 len = hyphen - code;
176 else
177 len = strlen (code);
178
179 model = GTK_TREE_MODEL (store);
180
181 for (iter_valid = gtk_tree_model_get_iter_first (model, iter);
182 iter_valid;
183 iter_valid = gtk_tree_model_iter_next (model, iter))
184 {
185 gchar *value;
186
187 gtk_tree_model_get (model, iter,
188 GIMP_LANGUAGE_STORE_CODE, &value,
189 -1);
190
191 if (value && strncmp (code, value, len) == 0)
192 {
193 g_free (value);
194 break;
195 }
196
197 g_free (value);
198 }
199
200 return iter_valid;
201 }
202