1 /* -*- Mode: C; indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8 -*- */
2 /*
3 * Copyright (C) 2004 by Carlos Garc�a Campos
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
19
20 #ifdef HAVE_CONFIG_H
21 #include <config.h>
22 #endif
23
24 #include <gtk/gtk.h>
25
26 #include "gn-combo-history.h"
27
28 #define PARENT_TYPE G_TYPE_OBJECT
29
30 enum {
31 PROP_0,
32 PROP_COMBO,
33 PROP_ID,
34 PROP_MAX_HISTORY
35 };
36
37 struct _GnComboHistoryPrivate {
38 GtkComboBox *combo;
39 gchar *id;
40 guint max_history;
41
42 GSList *items;
43
44 GSettings *settings;
45 };
46
47 static void gn_combo_history_init (GnComboHistory *history);
48 static void gn_combo_history_class_init (GnComboHistoryClass *klass);
49 static void gn_combo_history_finalize (GObject *object);
50
51 static void gn_combo_history_set_property (GObject *object,
52 guint prop_id,
53 const GValue *value,
54 GParamSpec *pspec);
55 static void gn_combo_history_get_property (GObject *object,
56 guint prop_id,
57 GValue *value,
58 GParamSpec *pspec);
59
60 static void gn_combo_history_settings_register_id (GnComboHistory *history);
61 static void gn_combo_history_settings_load (GnComboHistory *history);
62 static void gn_combo_history_settings_save (GnComboHistory *history);
63 static void gn_combo_history_set_popdown_strings (GnComboHistory *history);
64
65 static GObjectClass *parent_class = NULL;
66
67 GType
gn_combo_history_get_type(void)68 gn_combo_history_get_type (void)
69 {
70 static GType type = 0;
71
72 if (!type) {
73 static const GTypeInfo info = {
74 sizeof (GnComboHistoryClass),
75 (GBaseInitFunc) NULL,
76 (GBaseFinalizeFunc) NULL,
77 (GClassInitFunc) gn_combo_history_class_init,
78 NULL,
79 NULL,
80 sizeof (GnComboHistory),
81 0,
82 (GInstanceInitFunc) gn_combo_history_init
83 };
84 type = g_type_register_static (PARENT_TYPE, "GnComboHistory",
85 &info, 0);
86 }
87 return type;
88 }
89
90 static void
gn_combo_history_init(GnComboHistory * history)91 gn_combo_history_init (GnComboHistory *history)
92 {
93 g_return_if_fail (GN_IS_COMBO_HISTORY (history));
94
95 history->priv = g_new0 (GnComboHistoryPrivate, 1);
96 history->priv->combo = NULL;
97 history->priv->id = NULL;
98 history->priv->max_history = 10;
99 history->priv->items = NULL;
100 history->priv->settings = g_settings_new ("org.gnome.gnome-nettool");
101 }
102
103 static void
gn_combo_history_class_init(GnComboHistoryClass * klass)104 gn_combo_history_class_init (GnComboHistoryClass *klass)
105 {
106 GObjectClass *object_class = G_OBJECT_CLASS (klass);
107
108 parent_class = g_type_class_peek_parent (klass);
109
110 object_class->set_property = gn_combo_history_set_property;
111 object_class->get_property = gn_combo_history_get_property;
112
113 g_object_class_install_property (object_class, PROP_COMBO,
114 g_param_spec_pointer ("combo", NULL, NULL,
115 G_PARAM_READWRITE));
116 g_object_class_install_property (object_class, PROP_ID,
117 g_param_spec_string ("id", NULL, NULL,
118 NULL, G_PARAM_READWRITE));
119 g_object_class_install_property (object_class, PROP_MAX_HISTORY,
120 g_param_spec_uint ("max_history", NULL, NULL,
121 0, G_MAXUINT, 10,
122 G_PARAM_READWRITE));
123
124 object_class->finalize = gn_combo_history_finalize;
125 }
126
127 static void
gn_combo_free_items(GnComboHistory * history)128 gn_combo_free_items (GnComboHistory *history)
129 {
130 if (history->priv->items) {
131 g_slist_foreach (history->priv->items, (GFunc) g_free, NULL);
132 g_slist_free (history->priv->items);
133 history->priv->items = NULL;
134 }
135 }
136
137 static void
gn_combo_history_finalize(GObject * object)138 gn_combo_history_finalize (GObject *object)
139 {
140 GnComboHistory *history = GN_COMBO_HISTORY (object);
141
142 if (history->priv) {
143 if (history->priv->combo) {
144 g_object_unref (G_OBJECT (history->priv->combo));
145 history->priv->combo = NULL;
146 }
147
148 if (history->priv->id) {
149 g_free (history->priv->id);
150 history->priv->id = NULL;
151 }
152
153 gn_combo_free_items (history);
154
155 g_object_unref (G_OBJECT (history->priv->settings));
156 history->priv->settings = NULL;
157 }
158
159 if (G_OBJECT_CLASS (parent_class)->finalize)
160 (* G_OBJECT_CLASS (parent_class)->finalize) (object);
161 }
162
163 static void
gn_combo_history_set_property(GObject * object,guint prop_id,const GValue * value,GParamSpec * spec)164 gn_combo_history_set_property (GObject *object, guint prop_id, const GValue *value,
165 GParamSpec *spec)
166 {
167 GnComboHistory *history;
168
169 g_return_if_fail (GN_IS_COMBO_HISTORY (object));
170
171 history = GN_COMBO_HISTORY (object);
172
173 switch (prop_id) {
174 case PROP_COMBO:
175 history->priv->combo = g_value_get_pointer (value);
176 break;
177 case PROP_ID:
178 if (history->priv->id) g_free (history->priv->id);
179 history->priv->id = g_value_dup_string (value);
180 break;
181 case PROP_MAX_HISTORY:
182 history->priv->max_history = g_value_get_uint (value);
183 break;
184 default:
185 break;
186 }
187 }
188
189 static void
gn_combo_history_get_property(GObject * object,guint prop_id,GValue * value,GParamSpec * spec)190 gn_combo_history_get_property (GObject *object, guint prop_id, GValue *value,
191 GParamSpec *spec)
192 {
193 GnComboHistory *history;
194
195 g_return_if_fail (GN_IS_COMBO_HISTORY (object));
196
197 history = GN_COMBO_HISTORY (object);
198
199 switch (prop_id) {
200 case PROP_COMBO:
201 g_value_set_pointer (value, history->priv->combo);
202 break;
203 case PROP_ID:
204 g_value_set_string (value, history->priv->id);
205 break;
206 case PROP_MAX_HISTORY:
207 g_value_set_uint (value, history->priv->max_history);
208 break;
209 default:
210 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, spec);
211 }
212 }
213
214 GnComboHistory *
gn_combo_history_new(void)215 gn_combo_history_new (void)
216 {
217 GnComboHistory *history;
218
219 history = g_object_new (GN_TYPE_COMBO_HISTORY, NULL);
220
221 return (history);
222 }
223
224 static void
gn_combo_history_settings_load(GnComboHistory * history)225 gn_combo_history_settings_load (GnComboHistory *history)
226 {
227 gchar **items;
228 guint i;
229
230 g_return_if_fail (GN_IS_COMBO_HISTORY (history));
231 g_return_if_fail (history->priv->id != NULL);
232
233 gn_combo_free_items (history);
234 history->priv->items = NULL;
235
236 items = g_settings_get_strv (history->priv->settings, history->priv->id);
237
238 for (i = 0; items[i] && i < history->priv->max_history; i++)
239 history->priv->items = g_slist_append (history->priv->items, g_strdup (items[i]));
240 g_strfreev (items);
241 }
242
243 static void
gn_combo_history_settings_save(GnComboHistory * history)244 gn_combo_history_settings_save (GnComboHistory *history)
245 {
246 const gchar **items;
247 GSList *item;
248 gint i;
249
250 g_return_if_fail (GN_IS_COMBO_HISTORY (history));
251 g_return_if_fail (history->priv->id != NULL);
252
253 items = g_malloc (sizeof (gchar *) * (g_slist_length (history->priv->items) + 1));
254 for (item = history->priv->items, i = 0; item; item = item->next, i++)
255 items[i] = item->data;
256 items[i] = NULL;
257 g_settings_set_strv (history->priv->settings, history->priv->id, items);
258 g_free (items);
259 }
260
261 static void
gn_combo_history_set_popdown_strings(GnComboHistory * history)262 gn_combo_history_set_popdown_strings (GnComboHistory *history)
263 {
264 GtkTreeModel *model;
265 GtkTreeIter iter;
266 GSList *items;
267 gchar *text;
268 gint text_column, i;
269
270 g_return_if_fail (GN_IS_COMBO_HISTORY (history));
271 g_return_if_fail (GTK_IS_COMBO_BOX (history->priv->combo));
272
273 model = gtk_combo_box_get_model (history->priv->combo);
274
275 if (!model)
276 return;
277
278 text_column = gtk_combo_box_get_entry_text_column (
279 GTK_COMBO_BOX (history->priv->combo));
280
281 gtk_list_store_clear (GTK_LIST_STORE (model));
282
283 if (! history->priv->items) {
284
285 gtk_combo_box_set_active (GTK_COMBO_BOX (history->priv->combo), -1);
286
287 return;
288 }
289
290 i = 0;
291 for (items = history->priv->items; items; items = items->next) {
292 text = items->data;
293
294 gtk_list_store_insert (GTK_LIST_STORE (model), &iter, i);
295 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
296 text_column, text,
297 -1);
298
299 i ++;
300 }
301
302 /* At this point the current selection always be at the first place in the model */
303 gtk_combo_box_set_active (GTK_COMBO_BOX (history->priv->combo), 0);
304 }
305
306 void
gn_combo_history_set_combo(GnComboHistory * history,GtkComboBox * combo)307 gn_combo_history_set_combo (GnComboHistory *history, GtkComboBox *combo)
308 {
309 g_return_if_fail (GN_IS_COMBO_HISTORY (history));
310 g_return_if_fail (GTK_IS_COMBO_BOX (combo));
311
312 if (history->priv->combo)
313 g_object_unref (G_OBJECT (history->priv->combo));
314
315 history->priv->combo = combo;
316
317 gn_combo_history_settings_load (history);
318
319 gn_combo_history_set_popdown_strings (history);
320
321 gtk_combo_box_set_active (GTK_COMBO_BOX (history->priv->combo),
322 -1);
323
324 gtk_entry_set_text (
325 GTK_ENTRY (gtk_bin_get_child (
326 GTK_BIN (history->priv->combo))), "");
327
328 g_object_ref (G_OBJECT (history->priv->combo));
329 }
330
331 GtkComboBox *
gn_combo_history_get_combo(GnComboHistory * history)332 gn_combo_history_get_combo (GnComboHistory *history)
333 {
334 g_return_val_if_fail (GN_IS_COMBO_HISTORY (history), NULL);
335
336 return history->priv->combo;
337 }
338
339 static void
gn_on_settings_history_changed(GSettings * settings,gchar * key,gpointer gdata)340 gn_on_settings_history_changed (GSettings *settings, gchar *key, gpointer gdata)
341 {
342 GnComboHistory *history;
343
344 history = GN_COMBO_HISTORY (gdata);
345
346 if (!g_str_equal (key, history->priv->id))
347 return;
348
349 gn_combo_history_settings_load (history);
350 gn_combo_history_set_popdown_strings (history);
351 }
352
353 static void
gn_combo_history_settings_register_id(GnComboHistory * history)354 gn_combo_history_settings_register_id (GnComboHistory *history)
355 {
356 g_return_if_fail (GN_IS_COMBO_HISTORY (history));
357 g_signal_connect (history->priv->settings, "changed", G_CALLBACK (gn_on_settings_history_changed), history);
358 }
359
360 void
gn_combo_history_set_id(GnComboHistory * history,const gchar * history_id)361 gn_combo_history_set_id (GnComboHistory *history, const gchar *history_id)
362 {
363 g_return_if_fail (GN_IS_COMBO_HISTORY (history));
364 g_return_if_fail (history_id != NULL);
365
366 if (history->priv->id)
367 g_free (history->priv->id);
368
369 history->priv->id = g_strdup (history_id);
370
371 gn_combo_history_settings_register_id (history);
372 }
373
374 const gchar *
gn_combo_history_get_id(GnComboHistory * history)375 gn_combo_history_get_id (GnComboHistory *history)
376 {
377 g_return_val_if_fail (GN_IS_COMBO_HISTORY (history), NULL);
378
379 return history->priv->id;
380 }
381
382 static gint
compare(gconstpointer a,gconstpointer b)383 compare (gconstpointer a, gconstpointer b)
384 {
385 return (g_ascii_strcasecmp (a, b));
386 }
387
388 void
gn_combo_history_add(GnComboHistory * history,const gchar * text)389 gn_combo_history_add (GnComboHistory *history, const gchar *text)
390 {
391 GSList *item;
392
393 g_return_if_fail (GN_IS_COMBO_HISTORY (history));
394 g_return_if_fail (text != NULL);
395
396 if ((item = g_slist_find_custom (history->priv->items, (gpointer) text, compare))) {
397 /* item is already in list, remove them */
398 history->priv->items = g_slist_remove (history->priv->items, item->data);
399 }
400
401 if (g_slist_length (history->priv->items) >= history->priv->max_history) {
402 item = g_slist_last (history->priv->items);
403 history->priv->items = g_slist_remove (history->priv->items, item->data);
404 }
405
406 history->priv->items = g_slist_prepend (history->priv->items,
407 g_strdup (text));
408
409 gn_combo_history_set_popdown_strings (history);
410
411 gn_combo_history_settings_save (history);
412 }
413
414 void
gn_combo_history_clear(GnComboHistory * history)415 gn_combo_history_clear (GnComboHistory *history)
416 {
417 g_return_if_fail (GN_IS_COMBO_HISTORY (history));
418
419 if (history->priv->items) {
420 gn_combo_free_items (history);
421 gn_combo_history_settings_save (history);
422 }
423 }
424
425 guint
gn_combo_history_get_max_history(GnComboHistory * history)426 gn_combo_history_get_max_history (GnComboHistory *history)
427 {
428 g_return_val_if_fail (GN_IS_COMBO_HISTORY (history), 0);
429
430 return history->priv->max_history;
431 }
432
433 void
gn_combo_history_set_max_history(GnComboHistory * history,guint max_history)434 gn_combo_history_set_max_history (GnComboHistory *history,
435 guint max_history)
436 {
437 g_return_if_fail (GN_IS_COMBO_HISTORY (history));
438
439 history->priv->max_history = max_history;
440 }
441