2006-08-02 [colin] 2.4.0cvs18
[claws.git] / src / messageview.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws 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 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18  */
19
20 #include "defs.h"
21
22 #include <glib.h>
23 #include <glib/gi18n.h>
24 #include <gdk/gdkkeysyms.h>
25 #include <gtk/gtkvbox.h>
26 #include <gtk/gtkcontainer.h>
27 #include <gtk/gtkwindow.h>
28 #include <gtk/gtktext.h>
29 #include <gtk/gtkmenu.h>
30 #include <gtk/gtkmenuitem.h>
31 #include <stdio.h>
32 #include <ctype.h>
33 #include <string.h>
34
35 #include "main.h"
36 #include "messageview.h"
37 #include "message_search.h"
38 #include "headerview.h"
39 #include "summaryview.h"
40 #include "textview.h"
41 #include "mimeview.h"
42 #include "menu.h"
43 #include "about.h"
44 #include "filesel.h"
45 #include "sourcewindow.h"
46 #include "addressbook.h"
47 #include "alertpanel.h"
48 #include "inputdialog.h"
49 #include "mainwindow.h"
50 #include "manage_window.h"
51 #include "procmsg.h"
52 #include "procheader.h"
53 #include "procmime.h"
54 #include "account.h"
55 #include "action.h"
56 #include "prefs_common.h"
57 #include "prefs_account.h"
58 #include "gtkutils.h"
59 #include "utils.h"
60 #include "send_message.h"
61 #include "stock_pixmap.h"
62 #include "hooks.h"
63 #include "filtering.h"
64 #include "partial_download.h"
65 #include "gedit-print.h"
66 #include "inc.h"
67 #include "log.h"
68
69 static GList *messageview_list = NULL;
70
71 static gint messageview_delete_cb       (GtkWidget              *widget,
72                                          GdkEventAny            *event,
73                                          MessageView            *messageview);
74 static void messageview_size_allocate_cb(GtkWidget      *widget,
75                                          GtkAllocation  *allocation);
76 static gboolean key_pressed             (GtkWidget      *widget,
77                                          GdkEventKey    *event,
78                                          MessageView    *messageview);
79
80 static void return_receipt_show         (NoticeView     *noticeview, 
81                                          MsgInfo        *msginfo);      
82 static void return_receipt_send_clicked (NoticeView     *noticeview, 
83                                          MsgInfo        *msginfo);
84 static void partial_recv_show           (NoticeView     *noticeview, 
85                                          MsgInfo        *msginfo);      
86 static void partial_recv_dload_clicked  (NoticeView     *noticeview, 
87                                          MsgInfo        *msginfo);
88 static void partial_recv_del_clicked    (NoticeView     *noticeview, 
89                                          MsgInfo        *msginfo);
90 static void partial_recv_unmark_clicked (NoticeView     *noticeview, 
91                                          MsgInfo        *msginfo);
92 static void save_as_cb                  (gpointer        data,
93                                          guint           action,
94                                          GtkWidget      *widget);
95 static void print_cb                    (gpointer        data,
96                                          guint           action,
97                                          GtkWidget      *widget);
98 static void close_cb                    (gpointer        data,
99                                          guint           action,
100                                          GtkWidget      *widget);
101 static void copy_cb                     (gpointer        data,
102                                          guint           action,
103                                          GtkWidget      *widget);
104 static void allsel_cb                   (gpointer        data,
105                                          guint           action,
106                                          GtkWidget      *widget);
107 static void search_cb                   (gpointer        data,
108                                          guint           action,
109                                          GtkWidget      *widget);
110
111 static void set_charset_cb              (gpointer        data,
112                                          guint           action,
113                                          GtkWidget      *widget);
114 static void set_decode_cb               (gpointer        data,
115                                          guint           action,
116                                          GtkWidget      *widget);
117 static void view_source_cb              (gpointer        data,
118                                          guint           action,
119                                          GtkWidget      *widget);
120 static void show_all_header_cb          (gpointer        data,
121                                          guint           action,
122                                          GtkWidget      *widget);
123 static void hide_quotes_cb              (gpointer        data,
124                                          guint           action,
125                                          GtkWidget      *widget);
126
127 static void compose_cb                  (gpointer        data,
128                                          guint           action,
129                                          GtkWidget      *widget);
130 static void reply_cb                    (gpointer        data,
131                                          guint           action,
132                                          GtkWidget      *widget);
133
134 static PrefsAccount *select_account_from_list
135                                         (GList          *ac_list);
136 static void addressbook_open_cb         (gpointer        data,
137                                          guint           action,
138                                          GtkWidget      *widget);
139 static void add_address_cb              (gpointer        data,
140                                          guint           action,
141                                          GtkWidget      *widget);
142 static void create_filter_cb            (gpointer        data,
143                                          guint           action,
144                                          GtkWidget      *widget);
145 static void create_processing_cb        (gpointer        data,
146                                          guint           action,
147                                          GtkWidget      *widget);
148
149 static void about_cb                    (gpointer        data,
150                                          guint           action,
151                                          GtkWidget      *widget);
152 static void messageview_update          (MessageView *msgview);
153 static gboolean messageview_update_msg  (gpointer source, gpointer data);
154
155 static GList *msgview_list = NULL;
156 static GtkItemFactoryEntry msgview_entries[] =
157 {
158         {N_("/_File"),                  NULL, NULL, 0, "<Branch>"},
159         {N_("/_File/_Save as..."),      "<control>S", save_as_cb, 0, NULL},
160         {N_("/_File/_Print..."),        "<control>P", print_cb, 0, NULL},
161         {N_("/_File/---"),              NULL, NULL, 0, "<Separator>"},
162         {N_("/_File/_Close"),           "<control>W", close_cb, 0, NULL},
163
164         {N_("/_Edit"),                  NULL, NULL, 0, "<Branch>"},
165         {N_("/_Edit/_Copy"),            "<control>C", copy_cb, 0, NULL},
166         {N_("/_Edit/Select _all"),      "<control>A", allsel_cb, 0, NULL},
167         {N_("/_Edit/---"),              NULL, NULL, 0, "<Separator>"},
168         {N_("/_Edit/_Find in current message..."),
169                                         "<control>F", search_cb, 0, NULL},
170
171         {N_("/_View"),                  NULL, NULL, 0, "<Branch>"},
172
173 #define ENC_SEPARATOR \
174         {N_("/_View/Character _encoding/---"),  NULL, NULL, 0, "<Separator>"}
175 #define ENC_ACTION(action) \
176         NULL, set_charset_cb, action, "/View/Character encoding/Auto detect"
177
178         {N_("/_View/Character _encoding"),      NULL, NULL, 0, "<Branch>"},
179         {N_("/_View/Character _encoding/_Auto detect"),
180                                         NULL, set_charset_cb, C_AUTO, "<RadioItem>"},
181         ENC_SEPARATOR,
182         {N_("/_View/Character _encoding/7bit ascii (US-ASC_II)"),
183          ENC_ACTION(C_US_ASCII)},
184
185         {N_("/_View/Character _encoding/Unicode (_UTF-8)"),
186          ENC_ACTION(C_UTF_8)},
187         ENC_SEPARATOR,
188         {N_("/_View/Character _encoding/Western European (ISO-8859-_1)"),
189          ENC_ACTION(C_ISO_8859_1)},
190         {N_("/_View/Character _encoding/Western European (ISO-8859-15)"),
191          ENC_ACTION(C_ISO_8859_15)},
192         {N_("/_View/Character _encoding/Western European (Windows-1252)"),
193          ENC_ACTION(C_WINDOWS_1252)},
194         ENC_SEPARATOR,
195         {N_("/_View/Character _encoding/Central European (ISO-8859-_2)"),
196          ENC_ACTION(C_ISO_8859_2)},
197         ENC_SEPARATOR,
198         {N_("/_View/Character _encoding/_Baltic (ISO-8859-13)"),
199          ENC_ACTION(C_ISO_8859_13)},
200         {N_("/_View/Character _encoding/Baltic (ISO-8859-_4)"),
201          ENC_ACTION(C_ISO_8859_4)},
202         ENC_SEPARATOR,
203         {N_("/_View/Character _encoding/Greek (ISO-8859-_7)"),
204          ENC_ACTION(C_ISO_8859_7)},
205         ENC_SEPARATOR,
206         {N_("/_View/Character _encoding/Hebrew (ISO-8859-_8)"),
207          ENC_ACTION(C_ISO_8859_8)},
208         {N_("/_View/Character _encoding/Hebrew (Windows-1255)"),
209          ENC_ACTION(C_CP1255)},
210         ENC_SEPARATOR,
211         {N_("/_View/Character _encoding/Arabic (ISO-8859-_6)"),
212          ENC_ACTION(C_ISO_8859_6)},
213         {N_("/_View/Character _encoding/Arabic (Windows-1256)"),
214          ENC_ACTION(C_CP1256)},
215         ENC_SEPARATOR,
216         {N_("/_View/Character _encoding/Turkish (ISO-8859-_9)"),
217          ENC_ACTION(C_ISO_8859_9)},
218         ENC_SEPARATOR,
219         {N_("/_View/Character _encoding/Cyrillic (ISO-8859-_5)"),
220          ENC_ACTION(C_ISO_8859_5)},
221         {N_("/_View/Character _encoding/Cyrillic (KOI8-_R)"),
222          ENC_ACTION(C_KOI8_R)},
223         {N_("/_View/Character _encoding/Cyrillic (KOI8-U)"),
224          ENC_ACTION(C_KOI8_U)},
225         {N_("/_View/Character _encoding/Cyrillic (Windows-1251)"),
226          ENC_ACTION(C_CP1251)},
227         ENC_SEPARATOR,
228         {N_("/_View/Character _encoding/Japanese (ISO-2022-_JP)"),
229          ENC_ACTION(C_ISO_2022_JP)},
230         {N_("/_View/Character _encoding/Japanese (ISO-2022-JP-2)"),
231          ENC_ACTION(C_ISO_2022_JP_2)},
232         {N_("/_View/Character _encoding/Japanese (_EUC-JP)"),
233          ENC_ACTION(C_EUC_JP)},
234         {N_("/_View/Character _encoding/Japanese (_Shift__JIS)"),
235          ENC_ACTION(C_SHIFT_JIS)},
236         ENC_SEPARATOR,
237         {N_("/_View/Character _encoding/Simplified Chinese (_GB2312)"),
238          ENC_ACTION(C_GB2312)},
239         {N_("/_View/Character _encoding/Simplified Chinese (GBK)"),
240          ENC_ACTION(C_GBK)},
241         {N_("/_View/Character _encoding/Traditional Chinese (_Big5)"),
242          ENC_ACTION(C_BIG5)},
243         {N_("/_View/Character _encoding/Traditional Chinese (EUC-_TW)"),
244          ENC_ACTION(C_EUC_TW)},
245         {N_("/_View/Character _encoding/Chinese (ISO-2022-_CN)"),
246          ENC_ACTION(C_ISO_2022_CN)},
247         ENC_SEPARATOR,
248         {N_("/_View/Character _encoding/Korean (EUC-_KR)"),
249          ENC_ACTION(C_EUC_KR)},
250         {N_("/_View/Character _encoding/Korean (ISO-2022-KR)"),
251          ENC_ACTION(C_ISO_2022_KR)},
252         ENC_SEPARATOR,
253         {N_("/_View/Character _encoding/Thai (TIS-620)"),
254          ENC_ACTION(C_TIS_620)},
255         {N_("/_View/Character _encoding/Thai (Windows-874)"),
256          ENC_ACTION(C_WINDOWS_874)},
257
258 #undef ENC_SEPARATOR
259 #undef ENC_ACTION
260
261 #define DEC_SEPARATOR \
262         {N_("/_View/Decode/---"),               NULL, NULL, 0, "<Separator>"}
263 #define DEC_ACTION(action) \
264          NULL, set_decode_cb, action, "/View/Decode/Auto detect"
265         {N_("/_View/Decode"),           NULL, NULL, 0, "<Branch>"},
266         {N_("/_View/Decode/_Auto detect"),
267          NULL, set_decode_cb, 0, "<RadioItem>"},
268         {N_("/_View/Decode/---"),               NULL, NULL, 0, "<Separator>"},
269         {N_("/_View/Decode/_8bit"),             DEC_ACTION(ENC_8BIT)},
270         {N_("/_View/Decode/_Quoted printable"), DEC_ACTION(ENC_QUOTED_PRINTABLE)},
271         {N_("/_View/Decode/_Base64"),           DEC_ACTION(ENC_BASE64)},
272         {N_("/_View/Decode/_Uuencode"),         DEC_ACTION(ENC_X_UUENCODE)},
273
274 #undef DEC_SEPARATOR
275 #undef DEC_ACTION
276
277         {N_("/_View/---"),              NULL, NULL, 0, "<Separator>"},
278         {N_("/_View/Mess_age source"),  "<control>U", view_source_cb, 0, NULL},
279         {N_("/_View/Show all _headers"),"<control>H", show_all_header_cb, 0, "<ToggleItem>"},
280         {N_("/_View/Quotes"),                   NULL, NULL, 0, "<Branch>"},
281         {N_("/_View/Quotes/_Hide all"),         "<control><shift>Q", hide_quotes_cb, 1, "<ToggleItem>"},
282         {N_("/_View/Quotes/Hide from level _2"),NULL, hide_quotes_cb, 2, "<ToggleItem>"},
283         {N_("/_View/Quotes/Hide from level _3"),NULL, hide_quotes_cb, 3, "<ToggleItem>"},
284
285         {N_("/_Message"),               NULL, NULL, 0, "<Branch>"},
286         {N_("/_Message/Compose _new message"),
287                                         "<control>M", compose_cb, 0, NULL},
288         {N_("/_Message/---"),           NULL, NULL, 0, "<Separator>"},
289         {N_("/_Message/_Reply"),        "<control>R", reply_cb, COMPOSE_REPLY, NULL},
290         {N_("/_Message/Repl_y to/_all"),
291                                         "<control><shift>R", reply_cb, COMPOSE_REPLY_TO_ALL, NULL},
292         {N_("/_Message/Repl_y to/_sender"),
293                                         NULL, reply_cb, COMPOSE_REPLY_TO_SENDER, NULL},
294         {N_("/_Message/Repl_y to/mailing _list"),
295                                         "<control>L", reply_cb, COMPOSE_REPLY_TO_LIST, NULL},
296         {N_("/_Message/---"),           NULL, NULL, 0, "<Separator>"},
297         {N_("/_Message/_Forward"),      "<control><alt>F", reply_cb, COMPOSE_FORWARD_INLINE, NULL},
298         {N_("/_Message/For_ward as attachment"),
299                                         NULL, reply_cb, COMPOSE_FORWARD_AS_ATTACH, NULL},
300         {N_("/_Message/Redirec_t"),     NULL, reply_cb, COMPOSE_REDIRECT, NULL},
301
302         {N_("/_Tools"),                 NULL, NULL, 0, "<Branch>"},
303         {N_("/_Tools/_Address book"),   "<control><shift>A", addressbook_open_cb, 0, NULL},
304         {N_("/_Tools/Add sender to address boo_k"),
305                                         NULL, add_address_cb, 0, NULL},
306         {N_("/_Tools/---"),             NULL, NULL, 0, "<Separator>"},
307         {N_("/_Tools/_Create filter rule"),
308                                         NULL, NULL, 0, "<Branch>"},
309         {N_("/_Tools/_Create filter rule/_Automatically"),
310                                         NULL, create_filter_cb, FILTER_BY_AUTO, NULL},
311         {N_("/_Tools/_Create filter rule/by _From"),
312                                         NULL, create_filter_cb, FILTER_BY_FROM, NULL},
313         {N_("/_Tools/_Create filter rule/by _To"),
314                                         NULL, create_filter_cb, FILTER_BY_TO, NULL},
315         {N_("/_Tools/_Create filter rule/by _Subject"),
316                                         NULL, create_filter_cb, FILTER_BY_SUBJECT, NULL},
317         {N_("/_Tools/Create processing rule"),
318                                         NULL, NULL, 0, "<Branch>"},
319         {N_("/_Tools/Create processing rule/_Automatically"),
320                                         NULL, create_processing_cb, FILTER_BY_AUTO, NULL},
321         {N_("/_Tools/Create processing rule/by _From"),
322                                         NULL, create_processing_cb, FILTER_BY_FROM, NULL},
323         {N_("/_Tools/Create processing rule/by _To"),
324                                         NULL, create_processing_cb, FILTER_BY_TO, NULL},
325         {N_("/_Tools/Create processing rule/by _Subject"),
326                                         NULL, create_processing_cb, FILTER_BY_SUBJECT, NULL},
327         {N_("/_Tools/---"),             NULL, NULL, 0, "<Separator>"},
328         {N_("/_Tools/Actio_ns"),        NULL, NULL, 0, "<Branch>"},
329
330         {N_("/_Help"),                  NULL, NULL, 0, "<Branch>"},
331         {N_("/_Help/_About"),           NULL, about_cb, 0, NULL}
332 };
333
334 MessageView *messageview_create(MainWindow *mainwin)
335 {
336         MessageView *messageview;
337         GtkWidget *vbox;
338         HeaderView *headerview;
339         MimeView *mimeview;
340         NoticeView *noticeview;
341
342         debug_print("Creating message view...\n");
343         messageview = g_new0(MessageView, 1);
344
345         headerview = headerview_create();
346
347         noticeview = noticeview_create(mainwin);
348
349         mimeview = mimeview_create(mainwin);
350         mimeview->textview = textview_create();
351         mimeview->textview->messageview = messageview;
352         mimeview->messageview = messageview;
353
354         vbox = gtk_vbox_new(FALSE, 0);
355         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET_PTR(headerview),
356                            FALSE, FALSE, 0);
357         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET_PTR(noticeview),
358                            FALSE, FALSE, 0);
359         gtk_box_pack_start(GTK_BOX(vbox),
360                            GTK_WIDGET_PTR(mimeview), TRUE, TRUE, 0);
361         gtk_widget_show(vbox);
362
363         messageview->vbox        = vbox;
364         messageview->new_window  = FALSE;
365         messageview->window      = NULL;
366         messageview->headerview  = headerview;
367         messageview->mimeview    = mimeview;
368         messageview->noticeview = noticeview;
369         messageview->mainwin    = mainwin;
370
371         messageview->statusbar     = NULL;
372         messageview->statusbar_cid = 0;
373
374         messageview->msginfo_update_callback_id =
375                 hooks_register_hook(MSGINFO_UPDATE_HOOKLIST, messageview_update_msg, (gpointer) messageview);
376
377         return messageview;
378 }
379
380 GList *messageview_get_msgview_list(void)
381 {
382         return msgview_list;
383 }
384
385 void messageview_update_actions_menu(MessageView *msgview)
386 {
387         GtkItemFactory *ifactory;
388
389         /* Messages opened in a new window do not have a menu bar */
390         if (msgview->menubar == NULL)
391                 return;
392         ifactory = gtk_item_factory_from_widget(msgview->menubar);
393         action_update_msgview_menu(ifactory, "/Tools/Actions", msgview);
394 }
395
396 void messageview_add_toolbar(MessageView *msgview, GtkWidget *window) 
397 {
398         GtkWidget *handlebox;
399         GtkWidget *vbox;
400         GtkWidget *menubar;
401         GtkWidget *statusbar;
402         guint n_menu_entries;
403
404         vbox = gtk_vbox_new(FALSE, 0);
405         gtk_widget_show(vbox);
406         gtk_container_add(GTK_CONTAINER(window), vbox); 
407
408         n_menu_entries = sizeof(msgview_entries) / sizeof(msgview_entries[0]);
409         menubar = menubar_create(window, msgview_entries,
410                                  n_menu_entries, "<MessageView>", msgview);
411         gtk_widget_show(menubar);
412         gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, TRUE, 0);
413
414         if (prefs_common.toolbar_detachable) {
415                 handlebox = gtk_handle_box_new();
416         } else {
417                 handlebox = gtk_hbox_new(FALSE, 0);
418         }
419         gtk_box_pack_start(GTK_BOX(vbox), handlebox, FALSE, FALSE, 0);
420         gtk_widget_realize(handlebox);
421         msgview->toolbar = toolbar_create(TOOLBAR_MSGVIEW, handlebox,
422                                           (gpointer)msgview);
423
424         statusbar = gtk_statusbar_new();
425         gtk_widget_show(statusbar);
426         gtk_box_pack_end(GTK_BOX(vbox), statusbar, FALSE, FALSE, 0);
427         msgview->statusbar = statusbar;
428         msgview->statusbar_cid = gtk_statusbar_get_context_id
429                 (GTK_STATUSBAR(statusbar), "Message View");
430
431         msgview->handlebox = handlebox;
432         msgview->menubar   = menubar;
433
434         gtk_container_add(GTK_CONTAINER(vbox),
435                           GTK_WIDGET_PTR(msgview));
436
437         messageview_update_actions_menu(msgview);
438
439         msgview_list = g_list_append(msgview_list, msgview);
440 }
441
442 MessageView *messageview_create_with_new_window(MainWindow *mainwin)
443 {
444         MessageView *msgview;
445         GtkWidget *window;
446         static GdkGeometry geometry;
447
448         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
449         gtk_window_set_title(GTK_WINDOW(window), _("Sylpheed-Claws - Message View"));
450         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
451
452         if (!geometry.min_height) {
453                 geometry.min_width = 320;
454                 geometry.min_height = 200;
455         }
456         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
457                                       GDK_HINT_MIN_SIZE);
458
459         gtk_widget_set_size_request(window, prefs_common.msgwin_width,
460                                     prefs_common.msgwin_height);
461
462         msgview = messageview_create(mainwin);
463
464         g_signal_connect(G_OBJECT(window), "size_allocate",
465                          G_CALLBACK(messageview_size_allocate_cb),
466                          msgview);
467         g_signal_connect(G_OBJECT(window), "delete_event",
468                          G_CALLBACK(messageview_delete_cb), msgview);
469         g_signal_connect(G_OBJECT(window), "key_press_event",
470                          G_CALLBACK(key_pressed), msgview);
471
472         messageview_add_toolbar(msgview, window);
473
474         gtk_widget_grab_focus(msgview->mimeview->textview->text);
475         gtk_widget_show(window);
476
477         msgview->new_window = TRUE;
478         msgview->window = window;
479         msgview->visible = TRUE;
480
481         toolbar_set_style(msgview->toolbar->toolbar, msgview->handlebox, 
482                           prefs_common.toolbar_style);
483         messageview_init(msgview);
484
485         return msgview;
486 }
487
488 void messageview_init(MessageView *messageview)
489 {
490         headerview_init(messageview->headerview);
491         mimeview_init(messageview->mimeview);
492         /*messageview_set_font(messageview);*/
493
494         noticeview_hide(messageview->noticeview);
495 }
496
497 static void notification_convert_header(gchar *dest, gint len, 
498                                         const gchar *src_,
499                                         gint header_len)
500 {
501         char *src;
502
503         g_return_if_fail(src_ != NULL);
504         g_return_if_fail(dest != NULL);
505
506         if (len < 1) return;
507
508         Xstrndup_a(src, src_, len, return);
509
510         remove_return(src);
511
512         if (is_ascii_str(src)) {
513                 strncpy2(dest, src, len);
514                 dest[len - 1] = '\0';
515                 return;
516         } else
517                 conv_encode_header(dest, len, src, header_len, FALSE);
518 }
519
520 static gint disposition_notification_send(MsgInfo *msginfo)
521 {
522         gchar buf[BUFFSIZE];
523         gchar tmp[MAXPATHLEN + 1];
524         FILE *fp;
525         GList *ac_list;
526         PrefsAccount *account = NULL;
527         gint ok;
528         gchar *to;
529         FolderItem *queue, *outbox;
530         gint num;
531         gchar *path;
532         gchar *addr;
533         gchar *addrp;
534         gchar *foo = NULL;
535         if ((!msginfo->returnreceiptto) && 
536             (!msginfo->dispositionnotificationto)) 
537                 return -1;
538
539         /* RFC2298: Test for Return-Path */
540         if (msginfo->dispositionnotificationto)
541                 to = msginfo->dispositionnotificationto;
542         else
543                 to = msginfo->returnreceiptto;
544
545         ok = procheader_get_header_from_msginfo(msginfo, buf, sizeof(buf),
546                                 "Return-Path:");
547         if (ok == 0) {
548                 gchar *to_addr = g_strdup(to);
549                 extract_address(to_addr);
550                 extract_address(buf);
551                 ok = strcasecmp(to_addr, buf);
552                 g_free(to_addr);
553         } else {
554                 strncpy(buf, _("<No Return-Path found>"), 
555                                 sizeof(buf));
556         }
557         
558         if (ok != 0) {
559                 AlertValue val;
560                 gchar *message;
561                 message = g_strdup_printf(
562                   _("The notification address to which the return receipt is\n"
563                     "to be sent does not correspond to the return path:\n"
564                     "Notification address: %s\n"
565                     "Return path: %s\n"
566                     "It is advised to not to send the return receipt."),
567                   to, buf);
568                 val = alertpanel_full(_("Warning"), message,
569                                 _("_Don't Send"), _("_Send"), NULL, FALSE,
570                                 NULL, ALERT_WARNING, G_ALERTDEFAULT);
571                 g_free(message);                                
572                 if (val != G_ALERTALTERNATE)
573                         return -1;
574         }
575
576         ac_list = account_find_all_from_address(NULL, msginfo->to);
577         ac_list = account_find_all_from_address(ac_list, msginfo->cc);
578
579         if (ac_list == NULL) {
580                 AlertValue val = 
581                 alertpanel_full(_("Warning"),
582                   _("This message is asking for a return receipt notification\n"
583                     "but according to its 'To:' and 'CC:' headers it was not\n"
584                     "officially addressed to you.\n"
585                     "It is advised to not to send the return receipt."),
586                   _("_Don't Send"), _("_Send"), NULL, FALSE,
587                   NULL, ALERT_WARNING, G_ALERTDEFAULT);
588                 if (val != G_ALERTALTERNATE)
589                         return -1;
590         }
591
592         if (g_list_length(ac_list) > 1) {
593                 if ((account = select_account_from_list(ac_list)) == NULL)
594                         return -1;
595         }
596         else if (ac_list != NULL)
597                 account = (PrefsAccount *) ac_list->data;
598         g_list_free(ac_list);
599
600         if (account == NULL)
601                 account = account_get_default();
602         if (!account || account->protocol == A_NNTP) {
603                 alertpanel_error(_("Account for sending mail is not specified.\n"
604                                    "Please select a mail account before sending."));
605                 return -1;
606         }
607
608         /* write to temporary file */
609         g_snprintf(tmp, sizeof(tmp), "%s%ctmpmsg%d",
610                    get_rc_dir(), G_DIR_SEPARATOR, (gint)msginfo);
611
612         if ((fp = g_fopen(tmp, "wb")) == NULL) {
613                 FILE_OP_ERROR(tmp, "fopen");
614                 return -1;
615         }
616
617         /* chmod for security */
618         if (change_file_mode_rw(fp, tmp) < 0) {
619                 FILE_OP_ERROR(tmp, "chmod");
620                 g_warning("can't change file mode\n");
621         }
622         
623         addr = g_strdup(to);
624         
625         extract_address(addr);
626         addrp = addr;
627         
628         /* write queue headers */
629         fprintf(fp, "AF:\n");
630         fprintf(fp, "NF:0\n");
631         fprintf(fp, "PS:10\n");
632         fprintf(fp, "SRH:1\n");
633         fprintf(fp, "SFN:\n");
634         fprintf(fp, "DSR:\n");
635         fprintf(fp, "MID:\n");
636         fprintf(fp, "CFG:\n");
637         fprintf(fp, "PT:0\n");
638         fprintf(fp, "S:%s\n", account->address);
639         fprintf(fp, "RQ:\n");
640         if (account->smtp_server)
641                 fprintf(fp, "SSV:%s\n", account->smtp_server);
642         else
643                 fprintf(fp, "SSV:\n");
644         fprintf(fp, "SSH:\n");
645         fprintf(fp, "R:<%s>\n", addrp);
646         
647         g_free(addrp);
648         
649         /* check whether we need to save the message */
650         outbox = account_get_special_folder(account, F_OUTBOX); 
651         if (folder_get_default_outbox() == outbox && !prefs_common.savemsg)
652                 outbox = NULL;
653         if (outbox) {
654                 path = folder_item_get_identifier(outbox);
655                 fprintf(fp, "SCF:%s\n", path);
656                 g_free(path);
657         }               
658
659         fprintf(fp, "X-Sylpheed-End-Special-Headers: 1\n");
660         
661         /* Date */
662         get_rfc822_date(buf, sizeof(buf));
663         fprintf(fp, "Date: %s\n", buf);
664
665         /* From */
666         if (account->name && *account->name) {
667                 notification_convert_header
668                         (buf, sizeof(buf), account->name,
669                          strlen("From: "));
670                 fprintf(fp, "From: %s <%s>\n", buf, account->address);
671         } else
672                 fprintf(fp, "From: %s\n", account->address);
673
674         fprintf(fp, "To: %s\n", to);
675
676         /* Subject */
677         notification_convert_header(buf, sizeof(buf), msginfo->subject,
678                                     strlen("Subject: "));
679         fprintf(fp, "Subject: Disposition notification: %s\n", buf);
680
681         /* Message ID */
682         generate_msgid(buf, sizeof(buf));
683         fprintf(fp, "Message-ID: <%s>\n", buf);
684
685         if (fclose(fp) == EOF) {
686                 FILE_OP_ERROR(tmp, "fclose");
687                 g_unlink(tmp);
688                 return -1;
689         }
690
691         /* put it in queue */
692         queue = account_get_special_folder(account, F_QUEUE);
693         if (!queue) queue = folder_get_default_queue();
694         if (!queue) {
695                 g_warning("can't find queue folder\n");
696                 g_unlink(tmp);
697                 return -1;
698         }
699         folder_item_scan(queue);
700         if ((num = folder_item_add_msg(queue, tmp, NULL, TRUE)) < 0) {
701                 g_warning("can't queue the message\n");
702                 g_unlink(tmp);
703                 return -1;
704         }
705                 
706         if (prefs_common.work_offline && 
707             !inc_offline_should_override(
708                 _("Sylpheed-Claws needs network access in order "
709                   "to send this email.")))
710                 return 0;
711
712         /* send it */
713         path = folder_item_fetch_msg(queue, num);
714         ok = procmsg_send_message_queue(path, &foo);
715         g_free(path);
716         g_free(foo);
717         folder_item_remove_msg(queue, num);
718
719         return ok;
720 }
721
722 GList *messageview_get_window_list(void)
723 {
724         return messageview_list;
725 }
726
727 static gboolean find_encrypted_func(GNode *node, gpointer data)
728 {
729         MimeInfo *mimeinfo = (MimeInfo *) node->data;
730         MimeInfo **encinfo = (MimeInfo **) data;
731         
732         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
733                 *encinfo = mimeinfo;
734                 return TRUE;
735         }
736         
737         return FALSE;
738 }
739
740 static MimeInfo *find_encrypted_part(MimeInfo *rootinfo)
741 {
742         MimeInfo *encinfo = NULL;
743
744         g_node_traverse(rootinfo->node, G_IN_ORDER, G_TRAVERSE_ALL, -1,
745                 find_encrypted_func, &encinfo);
746         
747         return encinfo;
748 }
749
750 gint messageview_show(MessageView *messageview, MsgInfo *msginfo,
751                       gboolean all_headers)
752 {
753         gchar *file;
754         MimeInfo *mimeinfo, *encinfo;
755         gchar *subject = NULL;
756         g_return_val_if_fail(msginfo != NULL, -1);
757
758         if (messageview->toolbar)
759                 toolbar_set_learn_button
760                         (messageview->toolbar,
761                          MSG_IS_SPAM(msginfo->flags)?LEARN_HAM:LEARN_SPAM);
762         else
763                 toolbar_set_learn_button
764                         (messageview->mainwin->toolbar,
765                          MSG_IS_SPAM(msginfo->flags)?LEARN_HAM:LEARN_SPAM);
766
767         if (messageview->toolbar) {
768                 if (messageview->toolbar->learn_ham_btn)
769                         gtk_widget_set_sensitive(
770                                 messageview->toolbar->learn_ham_btn, 
771                                 procmsg_spam_can_learn());
772                 if (messageview->toolbar->learn_spam_btn)
773                         gtk_widget_set_sensitive(
774                                 messageview->toolbar->learn_spam_btn, 
775                                 procmsg_spam_can_learn());
776         }
777         messageview->updating = TRUE;
778         mimeinfo = procmime_scan_message(msginfo);
779         messageview->updating = FALSE;
780         
781         if (messageview->deferred_destroy) {
782                 messageview_destroy(messageview);
783                 return 0;
784         }
785
786         if (!mimeinfo) {
787                 textview_show_error(messageview->mimeview->textview);
788                 return -1;
789         }
790
791         while ((encinfo = find_encrypted_part(mimeinfo)) != NULL) {
792                 debug_print("decrypting message part\n");
793                 if (privacy_mimeinfo_decrypt(encinfo) < 0) {
794                         alertpanel_error(_("Couldn't decrypt: %s"),
795                                 privacy_get_error());
796                         break;
797                 }
798         }
799         
800         messageview->updating = TRUE;
801         file = procmsg_get_message_file_path(msginfo);
802         messageview->updating = FALSE;
803         
804         if (messageview->deferred_destroy) {
805                 g_free(file);
806                 messageview_destroy(messageview);
807                 return 0;
808         }
809
810         if (!file) {
811                 g_warning("can't get message file path.\n");
812                 procmime_mimeinfo_free_all(mimeinfo);
813                 textview_show_error(messageview->mimeview->textview);
814                 return -1;
815         }
816         
817         if (messageview->msginfo != msginfo) {
818                 procmsg_msginfo_free(messageview->msginfo);
819                 messageview->msginfo = procmsg_msginfo_get_full_info(msginfo);
820                 if (!messageview->msginfo)
821                         messageview->msginfo = procmsg_msginfo_copy(msginfo);
822         }
823         headerview_show(messageview->headerview, messageview->msginfo);
824
825         textview_set_all_headers(messageview->mimeview->textview, 
826                         messageview->all_headers);
827
828         mimeview_show_message(messageview->mimeview, mimeinfo, file);
829         
830         if (messageview->window)
831                 gtk_window_set_title(GTK_WINDOW(messageview->window), 
832                                 _("Sylpheed-Claws - Message View"));
833         if (messageview->window && msginfo->subject) {
834                 subject = g_strdup(msginfo->subject);
835                 if (!g_utf8_validate(subject, -1, NULL)) {
836                         g_free(subject);
837                         subject = g_malloc(strlen(msginfo->subject)*2 +1);
838                         conv_localetodisp(subject, strlen(msginfo->subject)*2 +1, 
839                                 msginfo->subject);
840                 }
841                 if (g_utf8_validate(subject, -1, NULL))
842                         gtk_window_set_title(GTK_WINDOW(messageview->window), 
843                                 subject);
844                 g_free(subject);
845         }
846
847         messageview_set_position(messageview, 0);
848
849         main_create_mailing_list_menu(messageview->mainwin, messageview->msginfo);
850
851         if (messageview->msginfo->partial_recv)
852                 partial_recv_show(messageview->noticeview, 
853                                   messageview->msginfo);
854         else if ((messageview->msginfo->dispositionnotificationto || 
855              messageview->msginfo->returnreceiptto) &&
856             !MSG_IS_RETRCPT_SENT(messageview->msginfo->flags) &&
857             !prefs_common.never_send_retrcpt)
858                 return_receipt_show(messageview->noticeview, 
859                                     messageview->msginfo);
860         else 
861                 noticeview_hide(messageview->noticeview);
862
863         mimeinfo = procmime_mimeinfo_next(mimeinfo);
864         if (mimeinfo && (mimeinfo->type != MIMETYPE_TEXT || 
865             strcmp(mimeinfo->subtype, "plain"))) {
866                 if (strcmp(mimeinfo->subtype, "html"))
867                         mimeview_show_part(messageview->mimeview,mimeinfo);
868                 else if (prefs_common.invoke_plugin_on_html)
869                         mimeview_show_part(messageview->mimeview,mimeinfo);
870         }
871
872         g_free(file);
873
874         return 0;
875 }
876
877 void messageview_reflect_prefs_pixmap_theme(void)
878 {
879         GList *cur;
880         MessageView *msgview;
881
882         for (cur = msgview_list; cur != NULL; cur = cur->next) {
883                 msgview = (MessageView*)cur->data;
884                 toolbar_update(TOOLBAR_MSGVIEW, msgview);
885                 mimeview_update(msgview->mimeview);
886         }
887 }
888
889 void messageview_clear(MessageView *messageview)
890 {
891         procmsg_msginfo_free(messageview->msginfo);
892         messageview->msginfo = NULL;
893         messageview->filtered = FALSE;
894         mimeview_clear(messageview->mimeview);
895         headerview_clear(messageview->headerview);
896         noticeview_hide(messageview->noticeview);
897 }
898
899 void messageview_destroy(MessageView *messageview)
900 {
901         debug_print("destroy messageview\n");
902         messageview_list = g_list_remove(messageview_list, messageview);
903
904         if (!messageview->deferred_destroy) {
905                 hooks_unregister_hook(MSGINFO_UPDATE_HOOKLIST,
906                               messageview->msginfo_update_callback_id);
907         }
908
909         if (messageview->updating) {
910                 debug_print("uh oh, better not touch that now\n");
911                 messageview->deferred_destroy = TRUE;
912                 gtk_widget_hide(messageview->window);
913                 return;
914         }
915
916         headerview_destroy(messageview->headerview);
917         mimeview_destroy(messageview->mimeview);
918         noticeview_destroy(messageview->noticeview);
919
920         procmsg_msginfo_free(messageview->msginfo);
921         toolbar_clear_list(TOOLBAR_MSGVIEW);
922         if (messageview->toolbar) {
923                 toolbar_destroy(messageview->toolbar);
924                 g_free(messageview->toolbar);
925         }
926         
927         msgview_list = g_list_remove(msgview_list, messageview); 
928
929         if (messageview->window)
930                 gtk_widget_destroy(messageview->window);
931         g_free(messageview);
932 }
933
934 void messageview_delete(MessageView *msgview)
935 {
936         MsgInfo *msginfo = NULL;
937         FolderItem *trash = NULL;
938         PrefsAccount *ac = NULL;
939
940         if (msgview->msginfo && msgview->mainwin && msgview->mainwin->summaryview)
941                 msginfo = summary_get_selected_msg(msgview->mainwin->summaryview);
942         
943         /* need a procmsg_msginfo_equal() */
944         if (msginfo && msgview->msginfo && 
945             msginfo->msgnum == msgview->msginfo->msgnum && 
946             msginfo->folder == msgview->msginfo->folder) {
947                 summary_delete_trash(msgview->mainwin->summaryview);
948         } else {                
949                 msginfo = msgview->msginfo;
950
951                 g_return_if_fail(msginfo != NULL);
952
953                 /* to get the trash folder, we have to choose either
954                  * the folder's or account's trash default - we prefer
955                  * the one in the account prefs */
956                 if (msginfo->folder) {
957                         if (NULL != (ac = account_find_from_item(msginfo->folder)))
958                                 trash = account_get_special_folder(ac, F_TRASH);
959                         if (!trash && msginfo->folder->folder)  
960                                 trash = msginfo->folder->folder->trash;
961                         /* if still not found, use the default */
962                         if (!trash) 
963                                 trash = folder_get_default_trash();
964                 }       
965
966                 g_return_if_fail(trash != NULL);
967
968                 if (prefs_common.immediate_exec)
969                         /* TODO: Delete from trash */
970                         folder_item_move_msg(trash, msginfo);
971                 else {
972                         procmsg_msginfo_set_to_folder(msginfo, trash);
973                         procmsg_msginfo_set_flags(msginfo, MSG_DELETED, 0);
974                         /* NOTE: does not update to next message in summaryview */
975                 }
976         }               
977 }
978
979 /* 
980  * \brief update messageview with currently selected message in summaryview
981  *        leave unchanged if summaryview is empty
982  * \param pointer to MessageView
983  */     
984 static void messageview_update(MessageView *msgview)
985 {
986         SummaryView *summaryview = (SummaryView*)msgview->mainwin->summaryview;
987
988         g_return_if_fail(summaryview != NULL);
989         
990         if (summaryview->selected) {
991                 GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
992                 MsgInfo *msginfo = gtk_ctree_node_get_row_data(ctree, 
993                                                       summaryview->selected);
994                 if (msginfo == NULL)
995                         return;
996
997                 messageview_show(msgview, msginfo, 
998                                  msgview->all_headers);
999         } 
1000 }
1001
1002 void messageview_quote_color_set(void)
1003 {
1004 }
1005
1006 void messageview_set_font(MessageView *messageview)
1007 {
1008 }
1009
1010 TextView *messageview_get_current_textview(MessageView *messageview)
1011 {
1012         TextView *text = NULL;
1013
1014         text = messageview->mimeview->textview;
1015
1016         return text;
1017 }
1018
1019 MimeInfo *messageview_get_selected_mime_part(MessageView *messageview)
1020 {
1021         return mimeview_get_selected_part(messageview->mimeview);
1022 }
1023
1024 void messageview_copy_clipboard(MessageView *messageview)
1025 {
1026         TextView *text;
1027
1028         text = messageview_get_current_textview(messageview);
1029         if (text) {
1030                 GtkTextView *textview = GTK_TEXT_VIEW(text->text);
1031                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(textview);
1032                 GtkClipboard *clipboard
1033                         = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
1034
1035                 gtk_text_buffer_copy_clipboard(buffer, clipboard);
1036         }
1037 }
1038
1039 void messageview_select_all(MessageView *messageview)
1040 {
1041         TextView *text;
1042
1043         text = messageview_get_current_textview(messageview);
1044         if (text) {
1045                 GtkTextView *textview = GTK_TEXT_VIEW(text->text);
1046                 GtkTextBuffer *buffer;
1047                 GtkTextIter start, end;
1048
1049                 buffer = gtk_text_view_get_buffer(textview);
1050                 gtk_text_buffer_get_bounds(buffer, &start, &end);
1051                 gtk_text_buffer_select_range(buffer, &start, &end);
1052         }
1053 }
1054
1055 void messageview_set_position(MessageView *messageview, gint pos)
1056 {
1057         TextView *text;
1058
1059         text = messageview_get_current_textview(messageview);
1060         if (text)
1061                 textview_set_position(text, pos);
1062 }
1063
1064 gboolean messageview_search_string(MessageView *messageview, const gchar *str,
1065                                    gboolean case_sens)
1066 {
1067         TextView *text;
1068
1069         text = messageview_get_current_textview(messageview);
1070         if (text)
1071                 return textview_search_string(text, str, case_sens);
1072         return FALSE;
1073 }
1074
1075 gboolean messageview_search_string_backward(MessageView *messageview,
1076                                             const gchar *str,
1077                                             gboolean case_sens)
1078 {
1079         TextView *text;
1080
1081         text = messageview_get_current_textview(messageview);
1082         if (text)       
1083                 return textview_search_string_backward(text,
1084                                                        str, case_sens);
1085         return FALSE;
1086 }
1087
1088 gboolean messageview_is_visible(MessageView *messageview)
1089 {
1090         if (messageview == NULL)
1091                 return FALSE;
1092         return messageview->visible;
1093 }
1094
1095 void messageview_save_as(MessageView *messageview)
1096 {
1097         gchar *filename = NULL;
1098         MsgInfo *msginfo;
1099         gchar *src, *dest, *tmp;
1100
1101         if (!messageview->msginfo) return;
1102         msginfo = messageview->msginfo;
1103
1104         if (msginfo->subject) {
1105                 Xstrdup_a(filename, msginfo->subject, return);
1106                 subst_for_filename(filename);
1107         }
1108         dest = filesel_select_file_save(_("Save as"), filename);
1109         if (!dest) return;
1110         if (is_file_exist(dest)) {
1111                 AlertValue aval;
1112
1113                 aval = alertpanel(_("Overwrite"),
1114                                   _("Overwrite existing file?"),
1115                                   GTK_STOCK_CANCEL, GTK_STOCK_OK, NULL);
1116                 if (G_ALERTALTERNATE != aval) return;
1117         }
1118
1119         src = procmsg_get_message_file(msginfo);
1120         if (copy_file(src, dest, TRUE) < 0) {
1121                 tmp =  g_path_get_basename(dest);
1122                 alertpanel_error(_("Can't save the file '%s'."), tmp);
1123                 g_free(tmp);
1124         }
1125         g_free(dest);
1126         g_free(src);
1127 }
1128
1129 static gint messageview_delete_cb(GtkWidget *widget, GdkEventAny *event,
1130                                   MessageView *messageview)
1131 {
1132         messageview_destroy(messageview);
1133         return TRUE;
1134 }
1135
1136 static void messageview_size_allocate_cb(GtkWidget *widget,
1137                                          GtkAllocation *allocation)
1138 {
1139         g_return_if_fail(allocation != NULL);
1140
1141         prefs_common.msgwin_width  = allocation->width;
1142         prefs_common.msgwin_height = allocation->height;
1143 }
1144
1145 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
1146                         MessageView *messageview)
1147 {
1148         if (event && event->keyval == GDK_Escape && messageview->window) {
1149                 messageview_destroy(messageview);
1150                 return TRUE;
1151         }
1152
1153         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0)
1154                 return FALSE;
1155
1156         g_signal_stop_emission_by_name(G_OBJECT(widget),
1157                                         "key_press_event");
1158         mimeview_pass_key_press_event(messageview->mimeview, event);
1159         return FALSE;
1160 }
1161
1162 void messageview_toggle_view_real(MessageView *messageview)
1163 {
1164         MainWindow *mainwin = messageview->mainwin;
1165         union CompositeWin *cwin = &mainwin->win;
1166         GtkWidget *vpaned = NULL;
1167         GtkWidget *container = NULL;
1168         GtkItemFactory *ifactory = gtk_item_factory_from_widget(mainwin->menubar);
1169         
1170         switch (mainwin->type) {
1171         case SEPARATE_NONE:
1172                 vpaned = cwin->sep_none.vpaned;
1173                 container = cwin->sep_none.hpaned;
1174                 break;
1175         case SEPARATE_FOLDER:
1176                 vpaned = cwin->sep_folder.vpaned;
1177                 container = mainwin->vbox_body;
1178                 break;
1179         case SEPARATE_MESSAGE:
1180         case SEPARATE_BOTH:
1181                 return;
1182         }
1183
1184         if (vpaned->parent != NULL) {
1185                 gtk_widget_ref(vpaned);
1186                 gtkut_container_remove(GTK_CONTAINER(container), vpaned);
1187                 gtk_widget_reparent(GTK_WIDGET_PTR(messageview), container);
1188                 menu_set_sensitive(ifactory, "/View/Expand Summary View", FALSE);
1189         } else {
1190                 gtk_widget_reparent(GTK_WIDGET_PTR(messageview), vpaned);
1191                 gtk_container_add(GTK_CONTAINER(container), vpaned);
1192                 gtk_widget_unref(vpaned);
1193                 menu_set_sensitive(ifactory, "/View/Expand Summary View", TRUE);
1194                 gtk_widget_grab_focus(GTK_WIDGET(mainwin->summaryview->ctree));
1195         }
1196 }
1197
1198 static void return_receipt_show(NoticeView *noticeview, MsgInfo *msginfo)
1199 {
1200         if (msginfo->folder 
1201                 && (folder_has_parent_of_type(msginfo->folder, F_QUEUE)
1202                  || folder_has_parent_of_type(msginfo->folder, F_DRAFT)))
1203                 return;
1204
1205         noticeview_set_text(noticeview, _("This message asks for a return receipt."));
1206         noticeview_set_button_text(noticeview, _("Send receipt"));
1207         noticeview_set_button_press_callback(noticeview,
1208                                              G_CALLBACK(return_receipt_send_clicked),
1209                                              (gpointer) msginfo);
1210         noticeview_show(noticeview);
1211 }
1212
1213 static void return_receipt_send_clicked(NoticeView *noticeview, MsgInfo *msginfo)
1214 {
1215         MsgInfo *tmpmsginfo;
1216         gchar *file;
1217
1218         file = procmsg_get_message_file_path(msginfo);
1219         if (!file) {
1220                 g_warning("can't get message file path.\n");
1221                 return;
1222         }
1223
1224         tmpmsginfo = procheader_parse_file(file, msginfo->flags, TRUE, TRUE);
1225         tmpmsginfo->folder = msginfo->folder;
1226         tmpmsginfo->msgnum = msginfo->msgnum;
1227
1228         if (disposition_notification_send(tmpmsginfo) >= 0) {
1229                 procmsg_msginfo_set_flags(msginfo, MSG_RETRCPT_SENT, 0);
1230                 noticeview_hide(noticeview);
1231         }               
1232
1233         procmsg_msginfo_free(tmpmsginfo);
1234         g_free(file);
1235 }
1236
1237 static void partial_recv_show(NoticeView *noticeview, MsgInfo *msginfo)
1238 {
1239         gchar *text = NULL;
1240         gchar *button1 = NULL;
1241         gchar *button2 = NULL;
1242         void  *button1_cb = NULL;
1243         void  *button2_cb = NULL;
1244
1245         if (!partial_msg_in_uidl_list(msginfo)) {
1246                 text = g_strdup_printf(_("This message has been partially "
1247                                 "retrieved,\nand has been deleted from the "
1248                                 "server."));
1249         } else {
1250                 switch (msginfo->planned_download) {
1251                 case POP3_PARTIAL_DLOAD_UNKN:
1252                         text = g_strdup_printf(_("This message has been "
1253                                         "partially retrieved;\nit is %s."),
1254                                         to_human_readable(
1255                                                 (off_t)(msginfo->total_size)));
1256                         button1 = _("Mark for download");
1257                         button2 = _("Mark for deletion");
1258                         button1_cb = partial_recv_dload_clicked;
1259                         button2_cb = partial_recv_del_clicked;
1260                         break;
1261                 case POP3_PARTIAL_DLOAD_DLOAD:
1262                         text = g_strdup_printf(_("This message has been "
1263                                         "partially retrieved;\nit is %s and "
1264                                         "will be downloaded."),
1265                                         to_human_readable(
1266                                                 (off_t)(msginfo->total_size)));
1267                         button1 = _("Unmark");
1268                         button1_cb = partial_recv_unmark_clicked;
1269                         button2 = _("Mark for deletion");
1270                         button2_cb = partial_recv_del_clicked;
1271                         break;
1272                 case POP3_PARTIAL_DLOAD_DELE:
1273                         text = g_strdup_printf(_("This message has been "
1274                                         "partially retrieved;\nit is %s and "
1275                                         "will be deleted."),
1276                                         to_human_readable(
1277                                                 (off_t)(msginfo->total_size)));
1278                         button1 = _("Mark for download");
1279                         button1_cb = partial_recv_dload_clicked;
1280                         button2 = _("Unmark");
1281                         button2_cb = partial_recv_unmark_clicked;
1282                         break;
1283                 default:
1284                         return;
1285                 }
1286         }
1287         
1288         noticeview_set_text(noticeview, text);
1289         g_free(text);
1290         noticeview_set_button_text(noticeview, button1);
1291         noticeview_set_button_press_callback(noticeview,
1292                      G_CALLBACK(button1_cb), (gpointer) msginfo);
1293
1294         noticeview_set_2ndbutton_text(noticeview, button2);
1295         noticeview_set_2ndbutton_press_callback(noticeview,
1296                      G_CALLBACK(button2_cb), (gpointer) msginfo);
1297
1298         noticeview_show(noticeview);
1299 }
1300
1301 static void partial_recv_dload_clicked(NoticeView *noticeview, 
1302                                        MsgInfo *msginfo)
1303 {
1304         if (partial_mark_for_download(msginfo) == 0) {
1305                 partial_recv_show(noticeview, msginfo);
1306         }
1307 }
1308
1309 static void partial_recv_del_clicked(NoticeView *noticeview, 
1310                                        MsgInfo *msginfo)
1311 {
1312         if (partial_mark_for_delete(msginfo) == 0) {
1313                 partial_recv_show(noticeview, msginfo);
1314         }
1315 }
1316
1317 static void partial_recv_unmark_clicked(NoticeView *noticeview, 
1318                                        MsgInfo *msginfo)
1319 {
1320         if (partial_unmark(msginfo) == 0) {
1321                 partial_recv_show(noticeview, msginfo);
1322         }
1323 }
1324
1325 static void select_account_cb(GtkWidget *w, gpointer data)
1326 {
1327         *(gint*)data = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(w), MENU_VAL_ID));
1328 }
1329         
1330 static PrefsAccount *select_account_from_list(GList *ac_list)
1331 {
1332         GtkWidget *optmenu;
1333         GtkWidget *menu;
1334         gint account_id;
1335
1336         g_return_val_if_fail(ac_list != NULL, NULL);
1337         g_return_val_if_fail(ac_list->data != NULL, NULL);
1338         
1339         optmenu = gtk_option_menu_new();
1340         menu = gtkut_account_menu_new(ac_list, 
1341                         G_CALLBACK(select_account_cb), 
1342                         &account_id);
1343         if (!menu)
1344                 return NULL;
1345         gtk_option_menu_set_menu(GTK_OPTION_MENU(optmenu), menu);
1346         gtk_option_menu_set_history(GTK_OPTION_MENU(optmenu), 0);
1347         account_id = ((PrefsAccount *) ac_list->data)->account_id;
1348         if (alertpanel_with_widget(
1349                                 _("Return Receipt Notification"),
1350                                 _("The message was sent to several of your "
1351                                   "accounts.\n"
1352                                   "Please choose which account do you want to "
1353                                   "use for sending the receipt notification:"),
1354                                 _("_Send Notification"), _("+_Cancel"), NULL,
1355                                 optmenu) != G_ALERTDEFAULT)
1356                 return NULL;
1357         return account_find_from_id(account_id);
1358 }
1359
1360 /* 
1361  * \brief return selected messageview text, when nothing is 
1362  *        selected and message was filtered, return complete text
1363  *
1364  * \param  pointer to Messageview 
1365  *
1366  * \return pointer to text (needs to be free'd by calling func)
1367  */
1368 gchar *messageview_get_selection(MessageView *msgview)
1369 {
1370         TextView *textview;
1371         gchar *text = NULL;
1372         GtkTextView *edit = NULL;
1373         GtkTextBuffer *textbuf;
1374         gint body_pos = 0;
1375         
1376         g_return_val_if_fail(msgview != NULL, NULL);
1377
1378         textview = messageview_get_current_textview(msgview);
1379         g_return_val_if_fail(textview != NULL, NULL);
1380
1381         edit = GTK_TEXT_VIEW(textview->text);
1382         g_return_val_if_fail(edit != NULL, NULL);
1383         body_pos = textview->body_pos;
1384
1385         textbuf = gtk_text_view_get_buffer(edit);
1386
1387         if (gtk_text_buffer_get_selection_bounds(textbuf, NULL, NULL))
1388                 return gtkut_text_view_get_selection(edit);
1389         else if (msgview->filtered) {
1390                 GtkTextIter start_iter, end_iter;
1391                 gtk_text_buffer_get_iter_at_offset(textbuf, &start_iter, body_pos);
1392                 gtk_text_buffer_get_end_iter(textbuf, &end_iter);
1393                 gtk_text_buffer_get_text(textbuf, &start_iter, &end_iter, FALSE);
1394         } else
1395                 text = NULL;
1396
1397         return text;
1398 }
1399
1400 static void save_as_cb(gpointer data, guint action, GtkWidget *widget)
1401 {
1402         MessageView *messageview = (MessageView *)data;
1403         messageview_save_as(messageview);
1404 }
1405
1406 static void print_cb(gpointer data, guint action, GtkWidget *widget)
1407 {
1408         MessageView *messageview = (MessageView *)data;
1409 #ifndef USE_GNOMEPRINT
1410         gchar *cmdline = NULL;
1411         gchar *p;
1412 #endif
1413
1414         if (!messageview->msginfo) return;
1415 #ifndef USE_GNOMEPRINT
1416         cmdline = input_dialog(_("Print"),
1417                                _("Enter the print command line:\n"
1418                                  "('%s' will be replaced with file name)"),
1419                                prefs_common.print_cmd);
1420         if (!cmdline) return;
1421         if (!(p = strchr(cmdline, '%')) || *(p + 1) != 's' ||
1422             strchr(p + 2, '%')) {
1423                 alertpanel_error(_("Print command line is invalid:\n'%s'"),
1424                                  cmdline);
1425                 g_free(cmdline);
1426                 return;
1427         }
1428         procmsg_print_message(messageview->msginfo, cmdline);
1429         g_free(cmdline);
1430 #else
1431         if (!messageview->mimeview 
1432         ||  !messageview->mimeview->textview
1433         ||  !messageview->mimeview->textview->text)
1434                 alertpanel_warning(_("Cannot print: the message doesn't "
1435                                      "contain text."));
1436
1437         gedit_print(
1438                 GTK_TEXT_VIEW(messageview->mimeview
1439                                 ->textview->text));
1440 #endif
1441 }
1442
1443 static void close_cb(gpointer data, guint action, GtkWidget *widget)
1444 {
1445         MessageView *messageview = (MessageView *)data;
1446         messageview_destroy(messageview);
1447 }
1448
1449 static void copy_cb(gpointer data, guint action, GtkWidget *widget)
1450 {
1451         MessageView *messageview = (MessageView *)data;
1452         messageview_copy_clipboard(messageview);
1453 }
1454
1455 static void allsel_cb(gpointer data, guint action, GtkWidget *widget)
1456 {
1457         MessageView *messageview = (MessageView *)data;
1458         messageview_select_all(messageview);
1459 }
1460
1461 static void search_cb(gpointer data, guint action, GtkWidget *widget)
1462 {
1463         MessageView *messageview = (MessageView *)data;
1464         message_search(messageview);
1465 }
1466
1467 static void set_charset_cb(gpointer data, guint action, GtkWidget *widget)
1468 {
1469         MessageView *messageview = (MessageView *)data;
1470         const gchar *charset;
1471
1472         if (GTK_CHECK_MENU_ITEM(widget)->active) {
1473                 charset = conv_get_charset_str((CharSet)action);
1474                 g_free(messageview->forced_charset);
1475                 messageview->forced_charset = g_strdup(charset);
1476                 procmime_force_charset(charset);
1477                 
1478                 messageview_show(messageview, messageview->msginfo, FALSE);
1479         }
1480 }
1481
1482 static void set_decode_cb(gpointer data, guint action, GtkWidget *widget)
1483 {
1484         MessageView *messageview = (MessageView *)data;
1485         if (GTK_CHECK_MENU_ITEM(widget)->active) {
1486                 messageview->forced_encoding = (EncodingType)action;
1487
1488                 messageview_show(messageview, messageview->msginfo, FALSE);
1489                 
1490                 debug_print("forced encoding: %d\n", action);
1491         }
1492 }
1493
1494
1495 static void view_source_cb(gpointer data, guint action, GtkWidget *widget)
1496 {
1497         MessageView *messageview = (MessageView *)data;
1498         SourceWindow *srcwin;
1499
1500         if (!messageview->msginfo) return;
1501
1502         srcwin = source_window_create();
1503         source_window_show_msg(srcwin, messageview->msginfo);
1504         source_window_show(srcwin);
1505 }
1506
1507 static void show_all_header_cb(gpointer data, guint action, GtkWidget *widget)
1508 {
1509         MessageView *messageview = (MessageView *)data;
1510         MsgInfo *msginfo = messageview->msginfo;
1511
1512         messageview->all_headers = 
1513                         GTK_CHECK_MENU_ITEM(widget)->active;
1514         if (!msginfo) return;
1515         messageview->msginfo = NULL;
1516         messageview_show(messageview, msginfo,
1517                          GTK_CHECK_MENU_ITEM(widget)->active);
1518         procmsg_msginfo_free(msginfo);
1519         main_window_set_menu_sensitive(messageview->mainwin);
1520 }
1521
1522 #define SET_CHECK_MENU_ACTIVE(path, active) \
1523 { \
1524         menuitem = gtk_item_factory_get_widget(ifactory, path); \
1525         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem), active); \
1526 }
1527
1528 static void hide_quotes_cb(gpointer data, guint action, GtkWidget *widget)
1529 {
1530         MessageView *messageview = (MessageView *)data;
1531         MsgInfo *msginfo = messageview->msginfo;
1532         static gboolean updating_menu = FALSE;
1533         GtkItemFactory *ifactory = gtk_item_factory_from_widget(messageview->menubar);
1534         GtkWidget *menuitem;
1535         if (updating_menu)
1536                 return;
1537
1538         prefs_common.hide_quotes = 
1539                         GTK_CHECK_MENU_ITEM(widget)->active ? action : 0;
1540         
1541         updating_menu=TRUE;
1542         SET_CHECK_MENU_ACTIVE("/View/Quotes/Hide all", FALSE);
1543         SET_CHECK_MENU_ACTIVE("/View/Quotes/Hide from level 2", FALSE);
1544         SET_CHECK_MENU_ACTIVE("/View/Quotes/Hide from level 3", FALSE);
1545         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(widget), prefs_common.hide_quotes > 0);      
1546         updating_menu=FALSE;
1547         if (!msginfo) return;
1548         messageview->msginfo = NULL;
1549         messageview_show(messageview, msginfo,
1550                          messageview->all_headers);
1551         procmsg_msginfo_free(msginfo);
1552         main_window_set_menu_sensitive(messageview->mainwin);
1553 }
1554 #undef SET_CHECK_MENU_ACTIVE
1555
1556 static void compose_cb(gpointer data, guint action, GtkWidget *widget)
1557 {
1558         MessageView *messageview = (MessageView *)data;
1559         PrefsAccount *ac = NULL;
1560         FolderItem *item = NULL;
1561
1562         if (messageview->msginfo)
1563                 item = messageview->msginfo->folder;
1564
1565         if (item) {
1566                 ac = account_find_from_item(item);
1567                 if (ac && ac->protocol == A_NNTP &&
1568                     item->stype == F_NEWS) {
1569                         compose_new(ac, item->path, NULL);
1570                         return;
1571                 }
1572         }
1573
1574         compose_new(ac, NULL, NULL);
1575 }
1576
1577 static void reply_cb(gpointer data, guint action, GtkWidget *widget)
1578 {
1579         MessageView *messageview = (MessageView *)data;
1580         GSList *msginfo_list = NULL;
1581
1582         g_return_if_fail(messageview->msginfo);
1583
1584         msginfo_list = g_slist_append(msginfo_list, messageview->msginfo);
1585         compose_reply_from_messageview(messageview, msginfo_list, action);
1586         g_slist_free(msginfo_list);
1587 }
1588
1589 static void addressbook_open_cb(gpointer data, guint action, GtkWidget *widget)
1590 {
1591         addressbook_open(NULL);
1592 }
1593
1594 static void add_address_cb(gpointer data, guint action, GtkWidget *widget)
1595 {
1596         MessageView *messageview = (MessageView *)data;
1597         MsgInfo *msginfo;
1598         gchar *from;
1599
1600         if (!messageview->msginfo) return;
1601         msginfo = messageview->msginfo;
1602         Xstrdup_a(from, msginfo->from, return);
1603         eliminate_address_comment(from);
1604         extract_address(from);
1605         addressbook_add_contact(msginfo->fromname, from, NULL);
1606 }
1607
1608 static void create_filter_cb(gpointer data, guint action, GtkWidget *widget)
1609 {
1610         MessageView *messageview = (MessageView *)data;
1611         FolderItem * item;
1612         
1613         if (!messageview->msginfo) return;
1614         
1615         item = messageview->msginfo->folder;
1616         summary_msginfo_filter_open(item,  messageview->msginfo,
1617                                     (PrefsFilterType)action, 0);
1618 }
1619
1620 static void create_processing_cb(gpointer data, guint action,
1621                                  GtkWidget *widget)
1622 {
1623         MessageView *messageview = (MessageView *)data;
1624         FolderItem * item;
1625         
1626         if (!messageview->msginfo) return;
1627         
1628         item = messageview->msginfo->folder;
1629         summary_msginfo_filter_open(item,  messageview->msginfo,
1630                                     (PrefsFilterType)action, 1);
1631 }
1632
1633 static void about_cb(gpointer data, guint action, GtkWidget *widget)
1634 {
1635         about_show();
1636 }
1637
1638 static gboolean messageview_update_msg(gpointer source, gpointer data)
1639 {
1640         MsgInfoUpdate *msginfo_update = (MsgInfoUpdate *) source;
1641         MessageView *messageview = (MessageView *)data;
1642
1643         if (messageview->msginfo != msginfo_update->msginfo)
1644                 return FALSE;
1645
1646         if (msginfo_update->flags & MSGINFO_UPDATE_DELETED) {
1647                 messageview_clear(messageview);
1648                 messageview_update(messageview);
1649         }
1650
1651         return FALSE;
1652 }
1653
1654 void messageview_set_menu_sensitive(MessageView *messageview)
1655 {
1656         GtkItemFactory *ifactory;
1657         GtkWidget *menuitem;
1658
1659         if (!messageview || !messageview->new_window) 
1660                 return;
1661         /* do some smart things */
1662         if (!messageview->menubar) return;
1663         ifactory = gtk_item_factory_from_widget(messageview->menubar);
1664         if (!ifactory) return;
1665         if (messageview->mainwin->type == SEPARATE_MESSAGE) {
1666                 menuitem = gtk_item_factory_get_widget(ifactory, "/View/Show all headers");
1667                 gtk_check_menu_item_set_active
1668                         (GTK_CHECK_MENU_ITEM(menuitem),
1669                          messageview->mimeview->textview->show_all_headers);
1670                 if (prefs_common.hide_quotes) {
1671                         if (prefs_common.hide_quotes == 1)
1672                                 menuitem = gtk_item_factory_get_widget(ifactory, 
1673                                                 "/View/Quotes/Hide all");
1674                         if (prefs_common.hide_quotes == 2)
1675                                 menuitem = gtk_item_factory_get_widget(ifactory, 
1676                                                 "/View/Quotes/Hide from level 2");
1677                         if (prefs_common.hide_quotes == 3)
1678                                 menuitem = gtk_item_factory_get_widget(ifactory, 
1679                                                 "/View/Quotes/Hide from level 3");
1680                         gtk_check_menu_item_set_active
1681                                 (GTK_CHECK_MENU_ITEM(menuitem),
1682                                  TRUE);
1683                 }
1684         }
1685 }
1686
1687 void messageview_learn (MessageView *msgview, gboolean is_spam)
1688 {
1689         if (is_spam) {
1690                 if (procmsg_spam_learner_learn(msgview->msginfo, NULL, TRUE) == 0)
1691                         procmsg_msginfo_set_flags(msgview->msginfo, MSG_SPAM, 0);
1692                 else
1693                         log_error(_("An error happened while learning.\n"));
1694                 
1695         } else {
1696                 if (procmsg_spam_learner_learn(msgview->msginfo, NULL, FALSE) == 0)
1697                         procmsg_msginfo_unset_flags(msgview->msginfo, MSG_SPAM, 0);
1698                 else
1699                         log_error(_("An error happened while learning.\n"));
1700         }
1701         if (msgview->toolbar)
1702                 toolbar_set_learn_button
1703                         (msgview->toolbar,
1704                          MSG_IS_SPAM(msgview->msginfo->flags)?LEARN_HAM:LEARN_SPAM);
1705         else
1706                 toolbar_set_learn_button
1707                         (msgview->mainwin->toolbar,
1708                          MSG_IS_SPAM(msgview->msginfo->flags)?LEARN_HAM:LEARN_SPAM);
1709 }