Moved struct and enum declarations from prefswindow.c to .h.
[claws.git] / src / imap_gtk.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2012 Hiroyuki Yamamoto & the Claws Mail Team
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 3 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, see <http://www.gnu.org/licenses/>.
17  * 
18  */
19
20 #ifdef HAVE_CONFIG_H
21 #  include "config.h"
22 #include "claws-features.h"
23 #endif
24
25 #include "defs.h"
26
27 #include <glib.h>
28 #include <glib/gi18n.h>
29
30 #include <gtk/gtk.h>
31 #include <time.h>
32
33 #include "utils.h"
34 #include "folder.h"
35 #include "folder_item_prefs.h"
36 #include "folderview.h"
37 #include "menu.h"
38 #include "account.h"
39 #include "alertpanel.h"
40 #include "foldersel.h"
41 #include "inputdialog.h"
42 #include "imap.h"
43 #include "inc.h"
44 #include "prefs_common.h"
45 #include "statusbar.h"
46 #include "summaryview.h"
47 #include "prefs_actions.h"
48
49 static void new_folder_cb(GtkAction *action, gpointer data);
50 static void rename_folder_cb(GtkAction *action, gpointer data);
51 static void move_folder_cb(GtkAction *action, gpointer data);
52 static void copy_folder_cb(GtkAction *action, gpointer data);
53 static void delete_folder_cb(GtkAction *action, gpointer data);
54 static void update_tree_cb(GtkAction *action, gpointer data);
55 static void download_cb(GtkAction *action, gpointer data);
56 static void sync_cb(GtkAction *action, gpointer data);
57 static void subscribed_cb(GtkAction *action, gpointer data);
58 static void subscribe_cb(GtkAction *action, gpointer data);
59 static void unsubscribe_cb(GtkAction *action, gpointer data);
60
61 static GtkActionEntry imap_popup_entries[] =
62 {
63         {"FolderViewPopup/CreateNewFolder",     NULL, N_("Create _new folder..."), NULL, NULL, G_CALLBACK(new_folder_cb) },
64
65         {"FolderViewPopup/RenameFolder",        NULL, N_("_Rename folder..."), NULL, NULL, G_CALLBACK(rename_folder_cb) },
66         {"FolderViewPopup/MoveFolder",          NULL, N_("M_ove folder..."), NULL, NULL, G_CALLBACK(move_folder_cb) },
67         {"FolderViewPopup/CopyFolder",          NULL, N_("Cop_y folder..."), NULL, NULL, G_CALLBACK(copy_folder_cb) },
68
69         {"FolderViewPopup/DeleteFolder",        NULL, N_("_Delete folder..."), NULL, NULL, G_CALLBACK(delete_folder_cb) },
70
71         {"FolderViewPopup/Synchronise",         NULL, N_("Synchronise"), NULL, NULL, G_CALLBACK(sync_cb) },
72         {"FolderViewPopup/DownloadMessages",    NULL, N_("Down_load messages"), NULL, NULL, G_CALLBACK(download_cb) },
73
74
75         {"FolderViewPopup/Subscriptions",       NULL, N_("S_ubscriptions") },
76         {"FolderViewPopup/Subscriptions/---",   NULL, "---", NULL, NULL, NULL }, 
77         {"FolderViewPopup/Subscriptions/Subscribe",     NULL, N_("_Subscribe..."), NULL, NULL, G_CALLBACK(subscribe_cb) },
78         {"FolderViewPopup/Subscriptions/Unsubscribe",   NULL, N_("_Unsubscribe..."), NULL, NULL, G_CALLBACK(unsubscribe_cb) },
79
80         {"FolderViewPopup/CheckNewMessages",    NULL, N_("_Check for new messages"), NULL, NULL, G_CALLBACK(update_tree_cb) }, /*0*/
81         {"FolderViewPopup/CheckNewFolders",     NULL, N_("C_heck for new folders"), NULL, NULL, G_CALLBACK(update_tree_cb) }, /*1*/
82         {"FolderViewPopup/RebuildTree",         NULL, N_("R_ebuild folder tree"), NULL, NULL, G_CALLBACK(update_tree_cb) }, /*2*/
83 };
84
85 static GtkToggleActionEntry imap_toggle_popup_entries[] =
86 {
87         {"FolderViewPopup/Subscriptions/ShowOnlySubs",  NULL, N_("Show only subscribed _folders"), NULL, NULL, G_CALLBACK(subscribed_cb) }, 
88 };
89
90 static void set_sensitivity(GtkUIManager *ui_manager, FolderItem *item);
91 static void add_menuitems(GtkUIManager *ui_manager, FolderItem *item);
92
93 static FolderViewPopup imap_popup =
94 {
95         "imap",
96         "<IMAPFolder>",
97         imap_popup_entries,
98         G_N_ELEMENTS(imap_popup_entries),
99         imap_toggle_popup_entries,
100         G_N_ELEMENTS(imap_toggle_popup_entries),
101         NULL, 0, 0, NULL,
102         add_menuitems,
103         set_sensitivity
104 };
105
106 void imap_gtk_init(void)
107 {
108         folderview_register_popup(&imap_popup);
109 }
110
111 static void add_menuitems(GtkUIManager *ui_manager, FolderItem *item)
112 {
113         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "CreateNewFolder", "FolderViewPopup/CreateNewFolder", GTK_UI_MANAGER_MENUITEM)
114         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorIMAP1", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
115         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "RenameFolder", "FolderViewPopup/RenameFolder", GTK_UI_MANAGER_MENUITEM)
116         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "MoveFolder", "FolderViewPopup/MoveFolder", GTK_UI_MANAGER_MENUITEM)
117         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "CopyFolder", "FolderViewPopup/CopyFolder", GTK_UI_MANAGER_MENUITEM)
118         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorIMAP2", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
119         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "DeleteFolder", "FolderViewPopup/DeleteFolder", GTK_UI_MANAGER_MENUITEM)
120         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorIMAP3", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
121         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Synchronise", "FolderViewPopup/Synchronise", GTK_UI_MANAGER_MENUITEM)
122         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "DownloadMessages", "FolderViewPopup/DownloadMessages", GTK_UI_MANAGER_MENUITEM)
123         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorIMAP4", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
124         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "Subscriptions", "FolderViewPopup/Subscriptions", GTK_UI_MANAGER_MENU)
125         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup/Subscriptions", "ShowOnlySubs", "FolderViewPopup/Subscriptions/ShowOnlySubs", GTK_UI_MANAGER_MENUITEM)
126         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup/Subscriptions", "SeparatorIMAP5", "FolderViewPopup/Subscriptions/---", GTK_UI_MANAGER_SEPARATOR)
127         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup/Subscriptions", "Subscribe", "FolderViewPopup/Subscriptions/Subscribe", GTK_UI_MANAGER_MENUITEM)
128         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup/Subscriptions", "Unsubscribe", "FolderViewPopup/Subscriptions/Unsubscribe", GTK_UI_MANAGER_MENUITEM)
129         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "CheckNewMessages", "FolderViewPopup/CheckNewMessages", GTK_UI_MANAGER_MENUITEM)
130         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "CheckNewFolders", "FolderViewPopup/CheckNewFolders", GTK_UI_MANAGER_MENUITEM)
131         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "RebuildTree", "FolderViewPopup/RebuildTree", GTK_UI_MANAGER_MENUITEM)
132         MENUITEM_ADDUI_MANAGER(ui_manager, "/Popup/FolderViewPopup", "SeparatorIMAP6", "FolderViewPopup/---", GTK_UI_MANAGER_SEPARATOR)
133 }
134
135 static void set_sensitivity(GtkUIManager *ui_manager, FolderItem *item)
136 {
137         gboolean folder_is_normal = 
138                         item != NULL &&
139                         item->stype == F_NORMAL &&
140                         !folder_has_parent_of_type(item, F_OUTBOX) &&
141                         !folder_has_parent_of_type(item, F_DRAFT) &&
142                         !folder_has_parent_of_type(item, F_QUEUE) &&
143                         !folder_has_parent_of_type(item, F_TRASH);
144
145 #define SET_SENS(name, sens) \
146         cm_menu_set_sensitive_full(ui_manager, "Popup/"name, sens)
147
148         SET_SENS("FolderViewPopup/CreateNewFolder",   item && item->no_sub == FALSE);
149         SET_SENS("FolderViewPopup/RenameFolder",       item && item->stype == F_NORMAL && folder_item_parent(item) != NULL);
150         SET_SENS("FolderViewPopup/MoveFolder",      item && folder_is_normal && folder_item_parent(item) != NULL);
151         SET_SENS("FolderViewPopup/DeleteFolder",            item && item->stype == F_NORMAL && folder_item_parent(item) != NULL);
152
153         SET_SENS("FolderViewPopup/CheckNewMessages", folder_item_parent(item) == NULL);
154         SET_SENS("FolderViewPopup/CheckNewFolders",  folder_item_parent(item) == NULL);
155         SET_SENS("FolderViewPopup/RebuildTree",    folder_item_parent(item) == NULL);
156
157         SET_SENS("FolderViewPopup/Synchronise",    
158                         item ? (folder_item_parent(item) != NULL
159                         && folder_want_synchronise(item->folder))
160                         : FALSE);
161         SET_SENS("FolderViewPopup/DownloadMessages", item && !item->no_select);
162
163         SET_SENS("FolderViewPopup/CheckNewMessages", folder_item_parent(item) == NULL);
164         SET_SENS("FolderViewPopup/CheckNewFolders",  folder_item_parent(item) == NULL);
165         SET_SENS("FolderViewPopup/RebuildTree",    folder_item_parent(item) == NULL);
166         
167         SET_SENS("FolderViewPopup/Subscriptions/Unsubscribe",    item && item->stype == F_NORMAL && folder_item_parent(item) != NULL);
168         SET_SENS("FolderViewPopup/Subscriptions/Subscribe",    TRUE);
169         if (item && item->folder && item->folder->account)
170                 cm_toggle_menu_set_active_full(ui_manager, "Popup/FolderViewPopup/Subscriptions/ShowOnlySubs",
171                         item->folder->account->imap_subsonly);
172
173 #undef SET_SENS
174 }
175
176 static void new_folder_cb(GtkAction *action, gpointer data)
177 {
178         FolderView *folderview = (FolderView *)data;
179         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
180         FolderItem *item;
181         FolderItem *new_item;
182         gchar *new_folder;
183         gchar *name;
184         gchar *p;
185         gchar separator = '/';
186         
187         if (!folderview->selected) return;
188
189         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
190         cm_return_if_fail(item != NULL);
191         cm_return_if_fail(item->folder != NULL);
192         cm_return_if_fail(item->folder->account != NULL);
193
194         new_folder = input_dialog_with_checkbtn
195                 (_("New folder"),
196                  _("Input the name of new folder:\n"
197                    "(if you want to create a folder to store subfolders\n"
198                    "only and no mail, append '/' to the folder name)"),
199                  _("NewFolder"),
200                  _("Inherit properties from parent folder"),
201                  &(prefs_common.inherit_folder_props));
202
203         if (!new_folder) return;
204         AUTORELEASE_STR(new_folder, {g_free(new_folder); return;});
205
206         separator = imap_get_path_separator_for_item(item);
207
208         p = strchr(new_folder, separator);
209         if (p && *(p + 1) != '\0') {
210                 alertpanel_error(_("'%c' can't be included in folder name."),
211                                  separator);
212                 return;
213         }
214         p = strchr(new_folder, '/');
215         if (p && *(p + 1) != '\0') {
216                 alertpanel_error(_("'%c' can't be included in folder name."),
217                                  '/');
218                 return;
219         }
220
221         name = trim_string(new_folder, 32);
222         AUTORELEASE_STR(name, {g_free(name); return;});
223
224         /* find whether the directory already exists */
225         if (folder_find_child_item_by_name(item, new_folder)) {
226                 alertpanel_error(_("The folder '%s' already exists."), name);
227                 return;
228         }
229
230         new_item = folder_create_folder(item, new_folder);
231         if (!new_item) {
232                 alertpanel_error(_("Can't create the folder '%s'."), name);
233                 return;
234         }
235
236         if (prefs_common.inherit_folder_props) {
237                 folder_item_prefs_copy_prefs(item, new_item);
238         }
239
240         folder_write_list();
241 }
242
243 static void rename_folder_cb(GtkAction *action, gpointer data)
244 {
245         FolderView *folderview = (FolderView *)data;
246         FolderItem *item;
247         gchar *new_folder;
248         gchar *name;
249         gchar *message;
250         gchar *old_id;
251         gchar *new_id;
252         gchar *base;
253         gchar separator = '/';
254
255         item = folderview_get_selected_item(folderview);
256         cm_return_if_fail(item != NULL);
257         cm_return_if_fail(item->path != NULL);
258         cm_return_if_fail(item->folder != NULL);
259
260         name = trim_string(item->name, 32);
261         message = g_strdup_printf(_("Input new name for '%s':"), name);
262         base = g_path_get_basename(item->path);
263         new_folder = input_dialog(_("Rename folder"), message, base);
264         g_free(base);
265         g_free(message);
266         g_free(name);
267         if (!new_folder) return;
268         AUTORELEASE_STR(new_folder, {g_free(new_folder); return;});
269
270         separator = imap_get_path_separator_for_item(item);
271         if (strchr(new_folder, separator) != NULL) {
272                 alertpanel_error(_("'%c' can't be included in folder name."),
273                                  separator);
274                 return;
275         }
276         if (strchr(new_folder, '/') != NULL) {
277                 alertpanel_error(_("'%c' can't be included in folder name."),
278                                  '/');
279                 return;
280         }
281
282         if (folder_find_child_item_by_name(folder_item_parent(item), new_folder)) {
283                 name = trim_string(new_folder, 32);
284                 alertpanel_error(_("The folder '%s' already exists."), name);
285                 g_free(name);
286                 return;
287         }
288
289         old_id = folder_item_get_identifier(item);
290         
291         if (folder_item_rename(item, new_folder) < 0) {
292                 alertpanel_error(_("The folder could not be renamed.\n"
293                                    "The new folder name is not allowed."));
294                 g_free(old_id);
295                 return;
296         }
297
298         new_id = folder_item_get_identifier(item);
299         prefs_filtering_rename_path(old_id, new_id);
300         account_rename_path(old_id, new_id);
301         prefs_actions_rename_path(old_id, new_id);
302         g_free(old_id);
303         g_free(new_id);
304
305         folder_item_prefs_save_config_recursive(item);
306         folder_write_list();
307 }
308
309 static void move_folder_cb(GtkAction *action, gpointer data)
310 {
311         FolderView *folderview = (FolderView *)data;
312         FolderItem *from_folder = NULL, *to_folder = NULL;
313
314         from_folder = folderview_get_selected_item(folderview);
315         if (!from_folder || from_folder->folder->klass != imap_get_class())
316                 return;
317
318         to_folder = foldersel_folder_sel(NULL, FOLDER_SEL_MOVE, NULL, TRUE);
319         if (!to_folder)
320                 return;
321         
322         folderview_move_folder(folderview, from_folder, to_folder, 0);
323 }
324
325 static void copy_folder_cb(GtkAction *action, gpointer data)
326 {
327         FolderView *folderview = (FolderView *)data;
328         FolderItem *from_folder = NULL, *to_folder = NULL;
329
330         from_folder = folderview_get_selected_item(folderview);
331         if (!from_folder || from_folder->folder->klass != imap_get_class())
332                 return;
333
334         to_folder = foldersel_folder_sel(NULL, FOLDER_SEL_MOVE, NULL, TRUE);
335         if (!to_folder)
336                 return;
337         
338         folderview_move_folder(folderview, from_folder, to_folder, 1);
339 }
340
341 static void delete_folder_cb(GtkAction *action, gpointer data)
342 {
343         FolderView *folderview = (FolderView *)data;
344         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
345         FolderItem *item;
346         gchar *message, *name;
347         AlertValue avalue;
348         gchar *old_id;
349
350         if (!folderview->selected) return;
351
352         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
353         cm_return_if_fail(item != NULL);
354         cm_return_if_fail(item->path != NULL);
355         cm_return_if_fail(item->folder != NULL);
356
357         name = trim_string(item->name, 32);
358         AUTORELEASE_STR(name, {g_free(name); return;});
359         message = g_markup_printf_escaped
360                 (_("All folders and messages under '%s' will be permanently deleted. "
361                    "Recovery will not be possible.\n\n"
362                    "Do you really want to delete?"), name);
363         avalue = alertpanel_full(_("Delete folder"), message,
364                                  GTK_STOCK_CANCEL, GTK_STOCK_DELETE, NULL, FALSE,
365                                  NULL, ALERT_WARNING, G_ALERTDEFAULT);
366         g_free(message);
367         if (avalue != G_ALERTALTERNATE) return;
368
369         old_id = folder_item_get_identifier(item);
370
371         if (folderview->opened == folderview->selected ||
372             gtk_cmctree_is_ancestor(ctree,
373                                   folderview->selected,
374                                   folderview->opened)) {
375                 summary_clear_all(folderview->summaryview);
376                 folderview->opened = NULL;
377         }
378
379         if (item->folder->klass->remove_folder(item->folder, item) < 0) {
380                 folder_item_scan(item);
381                 alertpanel_error(_("Can't remove the folder '%s'."), name);
382                 g_free(old_id);
383                 return;
384         }
385
386         folder_write_list();
387
388         prefs_filtering_delete_path(old_id);
389         g_free(old_id);
390
391 }
392
393 #define DO_ACTION(name, act)    { if (!strcmp(a_name, name)) act; }
394
395 static void update_tree_cb(GtkAction *action, gpointer data)
396 {
397         FolderView *folderview = (FolderView *)data;
398         FolderItem *item;
399         const gchar *a_name = gtk_action_get_name(action);
400
401         item = folderview_get_selected_item(folderview);
402         cm_return_if_fail(item != NULL);
403
404         summary_show(folderview->summaryview, NULL);
405
406         cm_return_if_fail(item->folder != NULL);
407
408         DO_ACTION("FolderViewPopup/CheckNewMessages", folderview_check_new(item->folder));
409         DO_ACTION("FolderViewPopup/CheckNewFolders", folderview_rescan_tree(item->folder, FALSE));
410         DO_ACTION("FolderViewPopup/RebuildTree", folderview_rescan_tree(item->folder, TRUE));
411 }
412
413 static void sync_cb(GtkAction *action, gpointer data)
414 {
415         FolderView *folderview = (FolderView *)data;
416         FolderItem *item;
417
418         item = folderview_get_selected_item(folderview);
419         cm_return_if_fail(item != NULL);
420         folder_synchronise(item->folder);
421 }
422
423 void imap_gtk_synchronise(FolderItem *item, gint days)
424 {
425         MainWindow *mainwin = mainwindow_get_mainwindow();
426         FolderView *folderview = mainwin->folderview;
427         
428         cm_return_if_fail(item != NULL);
429         cm_return_if_fail(item->folder != NULL);
430
431         main_window_cursor_wait(mainwin);
432         inc_lock();
433         main_window_lock(mainwin);
434         gtk_widget_set_sensitive(folderview->ctree, FALSE);
435         main_window_progress_on(mainwin);
436         GTK_EVENTS_FLUSH();
437         if (item->no_select == FALSE) {
438                 GSList *mlist;
439                 GSList *cur;
440                 gint num = 0;
441                 gint total = item->total_msgs;
442                 time_t t = time(NULL);
443
444                 mlist = folder_item_get_msg_list(item);
445                 for (cur = mlist; cur != NULL; cur = cur->next) {
446                         MsgInfo *msginfo = (MsgInfo *)cur->data;
447                         gint age = (t - msginfo->date_t) / (60*60*24);
448                         if (days == 0 || age <= days)
449                                 imap_cache_msg(msginfo->folder, msginfo->msgnum);
450                         statusbar_progress_all(num++,total, 100);
451                         if (num % 100 == 0)
452                                 GTK_EVENTS_FLUSH();
453                 }
454
455                 statusbar_progress_all(0,0,0);
456                 procmsg_msg_list_free(mlist);
457         }
458
459         folder_set_ui_func(item->folder, NULL, NULL);
460         main_window_progress_off(mainwin);
461         gtk_widget_set_sensitive(folderview->ctree, TRUE);
462         main_window_unlock(mainwin);
463         inc_unlock();
464         main_window_cursor_normal(mainwin);
465 }
466
467 static void chk_update_val(GtkWidget *widget, gpointer data)
468 {
469         gboolean *val = (gboolean *)data;
470         *val = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
471 }
472
473 static gboolean imap_gtk_subscribe_func(GNode *node, gpointer data)
474 {
475         FolderItem *item = node->data;
476         gboolean action = GPOINTER_TO_INT(data);
477         
478         if (item->path)
479                 imap_subscribe(item->folder, item, NULL, action);
480
481         return FALSE;
482 }
483
484 static void subscribe_cb_full(FolderView *folderview, guint action)
485 {
486         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
487         FolderItem *item;
488         gchar *message, *name;
489         AlertValue avalue;
490         GtkWidget *rec_chk;
491         gboolean recurse = FALSE;
492
493         if (!folderview->selected) return;
494
495         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
496         cm_return_if_fail(item != NULL);
497         cm_return_if_fail(item->folder != NULL);
498
499         name = trim_string(item->name, 32);
500         AUTORELEASE_STR(name, {g_free(name); return;});
501         
502         if (action && item->folder->account->imap_subsonly) {
503                 GList *child_list = NULL;
504                 GList *transc_list = NULL;
505
506                 message = g_markup_printf_escaped
507                         (_("Do you want to search for unsubscribed subfolders of '%s'?"),
508                          name);
509
510                 rec_chk = gtk_check_button_new_with_label(_("Search recursively"));
511
512                 g_signal_connect(G_OBJECT(rec_chk), "toggled", 
513                                 G_CALLBACK(chk_update_val), &recurse);
514
515                 avalue = alertpanel_full(_("Subscriptions"), message,
516                                          GTK_STOCK_CANCEL, _("+_Search"), NULL, FALSE,
517                                          rec_chk, ALERT_QUESTION, G_ALERTDEFAULT);
518                 g_free(message);
519                 if (avalue != G_ALERTALTERNATE) return;
520                 
521                 child_list = imap_scan_subtree(item->folder, item, TRUE, recurse);
522                 
523                 if (child_list) {
524                         GList *cur;
525                         int r = -1;
526                         gchar *msg = g_strdup_printf(_("Choose a subfolder of %s to subscribe to: "),
527                                         item->name); 
528                         gchar *child_folder = NULL;
529                         
530                         for (cur = child_list; cur; cur = cur->next) {
531                                 transc_list = g_list_append(transc_list, 
532                                         imap_modified_utf7_to_utf8(cur->data, FALSE));
533                         }
534                         
535                         transc_list = g_list_sort(transc_list, g_str_equal);
536                         
537                         child_folder = input_dialog_combo(_("Subscribe"), 
538                                         msg,
539                                         transc_list->next?_("All of them"):transc_list->data, transc_list);
540                         g_free(msg);
541                         if (child_folder && strcmp(child_folder, _("All of them"))) {
542                                 gchar *transc_folder = imap_utf8_to_modified_utf7(child_folder, FALSE);
543                                 r = imap_subscribe(item->folder, NULL, transc_folder, TRUE);
544                                 g_free(transc_folder);
545                         } else if (child_folder) {
546                                 for (cur = child_list; cur; cur = cur->next) 
547                                         r = imap_subscribe(item->folder, NULL, (gchar *)cur->data, TRUE);
548                         }
549                         g_free(child_folder);
550                         for (cur = child_list; cur; cur = cur->next) 
551                                 g_free((gchar *)cur->data);
552                         for (cur = transc_list; cur; cur = cur->next) 
553                                 g_free((gchar *)cur->data);
554                         if (r == 0)
555                                 folderview_rescan_tree(item->folder, FALSE);
556                 } else {
557                         alertpanel_notice(_("This folder is already subscribed and "
558                                   "has no unsubscribed subfolders.\n\nIf there are new folders, "
559                                   "created and subscribed to from another client, use \"Check "
560                                   "for new folders\" at the mailbox's root folder."));
561                 }
562                 g_list_free(child_list);
563                 return;
564         }
565         message = g_markup_printf_escaped
566                 (_("Do you want to %s the '%s' folder?"),
567                    action?_("subscribe"):_("unsubscribe"), name);
568         
569         rec_chk = gtk_check_button_new_with_label(_("Apply to subfolders"));
570         
571         g_signal_connect(G_OBJECT(rec_chk), "toggled", 
572                         G_CALLBACK(chk_update_val), &recurse);
573
574         avalue = alertpanel_full(_("Subscriptions"), message,
575                                  GTK_STOCK_CANCEL, action?_("+_Subscribe"):_("+_Unsubscribe"), NULL, FALSE,
576                                  rec_chk, ALERT_QUESTION, G_ALERTDEFAULT);
577         g_free(message);
578         if (avalue != G_ALERTALTERNATE) return;
579         
580         
581         if (!action) {
582                 if (folderview->opened == folderview->selected ||
583                     gtk_cmctree_is_ancestor(ctree,
584                                           folderview->selected,
585                                           folderview->opened)) {
586                         summary_clear_all(folderview->summaryview);
587                         folderview->opened = NULL;
588                 }
589         }
590
591         if (recurse) {
592                 g_node_traverse(item->node, G_PRE_ORDER,
593                         G_TRAVERSE_ALL, -1, imap_gtk_subscribe_func, GINT_TO_POINTER(action));
594         } else {
595                 imap_subscribe(item->folder, item, NULL, action);
596         }
597
598         if (!action && item->folder->account->imap_subsonly)
599                 folderview_rescan_tree(item->folder, FALSE);
600 }
601
602 static void subscribe_cb(GtkAction *action, gpointer data)
603 {
604         subscribe_cb_full((FolderView *)data, 1);
605 }
606
607 static void unsubscribe_cb(GtkAction *action, gpointer data)
608 {
609         subscribe_cb_full((FolderView *)data, 0);
610 }
611
612 static void subscribed_cb(GtkAction *action, gpointer data)
613 {
614         FolderView *folderview = (FolderView *)data;
615         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
616         FolderItem *item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
617         
618         if (!item || !item->folder || !item->folder->account)
619                 return;
620         if (item->folder->account->imap_subsonly == gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)))
621                 return;
622
623         if (folderview->opened == folderview->selected ||
624             gtk_cmctree_is_ancestor(ctree,
625                                   folderview->selected,
626                                   folderview->opened)) {
627                 summary_clear_all(folderview->summaryview);
628                 folderview->opened = NULL;
629         }
630
631         item->folder->account->imap_subsonly = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action));
632         folderview_rescan_tree(item->folder, FALSE);
633 }
634
635 static void download_cb(GtkAction *action, gpointer data)
636 {
637         FolderView *folderview = (FolderView *)data;
638         GtkCMCTree *ctree = GTK_CMCTREE(folderview->ctree);
639         FolderItem *item;
640
641         if (!folderview->selected) return;
642
643         item = gtk_cmctree_node_get_row_data(ctree, folderview->selected);
644         imap_gtk_synchronise(item, 0);
645 }