4f31456841a8dcd0557cc6798f4a00d3fc98f642
[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 "manage_window.h"
50 #include "procmsg.h"
51 #include "procheader.h"
52 #include "procmime.h"
53 #include "account.h"
54 #include "action.h"
55 #include "prefs_common.h"
56 #include "prefs_account.h"
57 #include "gtkutils.h"
58 #include "utils.h"
59 #include "send_message.h"
60 #include "stock_pixmap.h"
61 #include "hooks.h"
62 #include "filtering.h"
63 #include "partial_download.h"
64 #include "gedit-print.h"
65 #include "inc.h"
66 #include "log.h"
67
68 static GList *messageview_list = NULL;
69
70 static gint messageview_delete_cb       (GtkWidget              *widget,
71                                          GdkEventAny            *event,
72                                          MessageView            *messageview);
73 static void messageview_size_allocate_cb(GtkWidget      *widget,
74                                          GtkAllocation  *allocation);
75 static gboolean key_pressed             (GtkWidget      *widget,
76                                          GdkEventKey    *event,
77                                          MessageView    *messageview);
78
79 static void return_receipt_show         (NoticeView     *noticeview, 
80                                          MsgInfo        *msginfo);      
81 static void return_receipt_send_clicked (NoticeView     *noticeview, 
82                                          MsgInfo        *msginfo);
83 static void partial_recv_show           (NoticeView     *noticeview, 
84                                          MsgInfo        *msginfo);      
85 static void partial_recv_dload_clicked  (NoticeView     *noticeview, 
86                                          MsgInfo        *msginfo);
87 static void partial_recv_del_clicked    (NoticeView     *noticeview, 
88                                          MsgInfo        *msginfo);
89 static void partial_recv_unmark_clicked (NoticeView     *noticeview, 
90                                          MsgInfo        *msginfo);
91 static void save_as_cb                  (gpointer        data,
92                                          guint           action,
93                                          GtkWidget      *widget);
94 static void print_cb                    (gpointer        data,
95                                          guint           action,
96                                          GtkWidget      *widget);
97 static void close_cb                    (gpointer        data,
98                                          guint           action,
99                                          GtkWidget      *widget);
100 static void copy_cb                     (gpointer        data,
101                                          guint           action,
102                                          GtkWidget      *widget);
103 static void allsel_cb                   (gpointer        data,
104                                          guint           action,
105                                          GtkWidget      *widget);
106 static void search_cb                   (gpointer        data,
107                                          guint           action,
108                                          GtkWidget      *widget);
109
110 static void set_charset_cb              (gpointer        data,
111                                          guint           action,
112                                          GtkWidget      *widget);
113 static void set_decode_cb               (gpointer        data,
114                                          guint           action,
115                                          GtkWidget      *widget);
116 static void view_source_cb              (gpointer        data,
117                                          guint           action,
118                                          GtkWidget      *widget);
119 static void show_all_header_cb          (gpointer        data,
120                                          guint           action,
121                                          GtkWidget      *widget);
122
123 static void compose_cb                  (gpointer        data,
124                                          guint           action,
125                                          GtkWidget      *widget);
126 static void reply_cb                    (gpointer        data,
127                                          guint           action,
128                                          GtkWidget      *widget);
129 static void reedit_cb                   (gpointer        data,
130                                          guint           action,
131                                          GtkWidget      *widget);
132
133 static PrefsAccount *select_account_from_list
134                                         (GList          *ac_list);
135 static void addressbook_open_cb         (gpointer        data,
136                                          guint           action,
137                                          GtkWidget      *widget);
138 static void add_address_cb              (gpointer        data,
139                                          guint           action,
140                                          GtkWidget      *widget);
141 static void create_filter_cb            (gpointer        data,
142                                          guint           action,
143                                          GtkWidget      *widget);
144 static void create_processing_cb        (gpointer        data,
145                                          guint           action,
146                                          GtkWidget      *widget);
147
148 static void about_cb                    (gpointer        data,
149                                          guint           action,
150                                          GtkWidget      *widget);
151 static void messageview_update          (MessageView *msgview);
152 static gboolean messageview_update_msg  (gpointer source, gpointer data);
153
154 static GList *msgview_list = NULL;
155 static GtkItemFactoryEntry msgview_entries[] =
156 {
157         {N_("/_File"),                  NULL, NULL, 0, "<Branch>"},
158         {N_("/_File/_Save as..."),      "<control>S", save_as_cb, 0, NULL},
159         {N_("/_File/_Print..."),        "<control>P", print_cb, 0, NULL},
160         {N_("/_File/---"),              NULL, NULL, 0, "<Separator>"},
161         {N_("/_File/_Close"),           "<control>W", close_cb, 0, NULL},
162
163         {N_("/_Edit"),                  NULL, NULL, 0, "<Branch>"},
164         {N_("/_Edit/_Copy"),            "<control>C", copy_cb, 0, NULL},
165         {N_("/_Edit/Select _all"),      "<control>A", allsel_cb, 0, NULL},
166         {N_("/_Edit/---"),              NULL, NULL, 0, "<Separator>"},
167         {N_("/_Edit/_Find in current message..."),
168                                         "<control>F", search_cb, 0, NULL},
169
170         {N_("/_View"),                  NULL, NULL, 0, "<Branch>"},
171
172 #define ENC_SEPARATOR \
173         {N_("/_View/Character _encoding/---"),  NULL, NULL, 0, "<Separator>"}
174 #define ENC_ACTION(action) \
175         NULL, set_charset_cb, action, "/View/Character encoding/Auto detect"
176
177         {N_("/_View/Character _encoding"),      NULL, NULL, 0, "<Branch>"},
178         {N_("/_View/Character _encoding/_Auto detect"),
179                                         NULL, set_charset_cb, C_AUTO, "<RadioItem>"},
180         ENC_SEPARATOR,
181         {N_("/_View/Character _encoding/7bit ascii (US-ASC_II)"),
182          ENC_ACTION(C_US_ASCII)},
183
184         {N_("/_View/Character _encoding/Unicode (_UTF-8)"),
185          ENC_ACTION(C_UTF_8)},
186         ENC_SEPARATOR,
187         {N_("/_View/Character _encoding/Western European (ISO-8859-_1)"),
188          ENC_ACTION(C_ISO_8859_1)},
189         {N_("/_View/Character _encoding/Western European (ISO-8859-15)"),
190          ENC_ACTION(C_ISO_8859_15)},
191         {N_("/_View/Character _encoding/Western European (Windows-1252)"),
192          ENC_ACTION(C_WINDOWS_1252)},
193         ENC_SEPARATOR,
194         {N_("/_View/Character _encoding/Central European (ISO-8859-_2)"),
195          ENC_ACTION(C_ISO_8859_2)},
196         ENC_SEPARATOR,
197         {N_("/_View/Character _encoding/_Baltic (ISO-8859-13)"),
198          ENC_ACTION(C_ISO_8859_13)},
199         {N_("/_View/Character _encoding/Baltic (ISO-8859-_4)"),
200          ENC_ACTION(C_ISO_8859_4)},
201         ENC_SEPARATOR,
202         {N_("/_View/Character _encoding/Greek (ISO-8859-_7)"),
203          ENC_ACTION(C_ISO_8859_7)},
204         ENC_SEPARATOR,
205         {N_("/_View/Character _encoding/Hebrew (ISO-8859-_8)"),
206          ENC_ACTION(C_ISO_8859_8)},
207         {N_("/_View/Character _encoding/Hebrew (Windows-1255)"),
208          ENC_ACTION(C_CP1255)},
209         ENC_SEPARATOR,
210         {N_("/_View/Character _encoding/Arabic (ISO-8859-_6)"),
211          ENC_ACTION(C_ISO_8859_6)},
212         {N_("/_View/Character _encoding/Arabic (Windows-1256)"),
213          ENC_ACTION(C_CP1256)},
214         ENC_SEPARATOR,
215         {N_("/_View/Character _encoding/Turkish (ISO-8859-_9)"),
216          ENC_ACTION(C_ISO_8859_9)},
217         ENC_SEPARATOR,
218         {N_("/_View/Character _encoding/Cyrillic (ISO-8859-_5)"),
219          ENC_ACTION(C_ISO_8859_5)},
220         {N_("/_View/Character _encoding/Cyrillic (KOI8-_R)"),
221          ENC_ACTION(C_KOI8_R)},
222         {N_("/_View/Character _encoding/Cyrillic (KOI8-U)"),
223          ENC_ACTION(C_KOI8_U)},
224         {N_("/_View/Character _encoding/Cyrillic (Windows-1251)"),
225          ENC_ACTION(C_CP1251)},
226         ENC_SEPARATOR,
227         {N_("/_View/Character _encoding/Japanese (ISO-2022-_JP)"),
228          ENC_ACTION(C_ISO_2022_JP)},
229         {N_("/_View/Character _encoding/Japanese (ISO-2022-JP-2)"),
230          ENC_ACTION(C_ISO_2022_JP_2)},
231         {N_("/_View/Character _encoding/Japanese (_EUC-JP)"),
232          ENC_ACTION(C_EUC_JP)},
233         {N_("/_View/Character _encoding/Japanese (_Shift__JIS)"),
234          ENC_ACTION(C_SHIFT_JIS)},
235         ENC_SEPARATOR,
236         {N_("/_View/Character _encoding/Simplified Chinese (_GB2312)"),
237          ENC_ACTION(C_GB2312)},
238         {N_("/_View/Character _encoding/Simplified Chinese (GBK)"),
239          ENC_ACTION(C_GBK)},
240         {N_("/_View/Character _encoding/Traditional Chinese (_Big5)"),
241          ENC_ACTION(C_BIG5)},
242         {N_("/_View/Character _encoding/Traditional Chinese (EUC-_TW)"),
243          ENC_ACTION(C_EUC_TW)},
244         {N_("/_View/Character _encoding/Chinese (ISO-2022-_CN)"),
245          ENC_ACTION(C_ISO_2022_CN)},
246         ENC_SEPARATOR,
247         {N_("/_View/Character _encoding/Korean (EUC-_KR)"),
248          ENC_ACTION(C_EUC_KR)},
249         {N_("/_View/Character _encoding/Korean (ISO-2022-KR)"),
250          ENC_ACTION(C_ISO_2022_KR)},
251         ENC_SEPARATOR,
252         {N_("/_View/Character _encoding/Thai (TIS-620)"),
253          ENC_ACTION(C_TIS_620)},
254         {N_("/_View/Character _encoding/Thai (Windows-874)"),
255          ENC_ACTION(C_WINDOWS_874)},
256
257 #undef ENC_SEPARATOR
258 #undef ENC_ACTION
259
260 #define DEC_SEPARATOR \
261         {N_("/_View/Decode/---"),               NULL, NULL, 0, "<Separator>"}
262 #define DEC_ACTION(action) \
263          NULL, set_decode_cb, action, "/View/Decode/Auto detect"
264         {N_("/_View/Decode"),           NULL, NULL, 0, "<Branch>"},
265         {N_("/_View/Decode/_Auto detect"),
266          NULL, set_decode_cb, 0, "<RadioItem>"},
267         {N_("/_View/Decode/---"),               NULL, NULL, 0, "<Separator>"},
268         {N_("/_View/Decode/_8bit"),             DEC_ACTION(ENC_8BIT)},
269         {N_("/_View/Decode/_Quoted printable"), DEC_ACTION(ENC_QUOTED_PRINTABLE)},
270         {N_("/_View/Decode/_Base64"),           DEC_ACTION(ENC_BASE64)},
271         {N_("/_View/Decode/_Uuencode"),         DEC_ACTION(ENC_X_UUENCODE)},
272
273 #undef DEC_SEPARATOR
274 #undef DEC_ACTION
275
276         {N_("/_View/---"),              NULL, NULL, 0, "<Separator>"},
277         {N_("/_View/Mess_age source"),  "<control>U", view_source_cb, 0, NULL},
278         {N_("/_View/Show all _headers"),"<control>H", show_all_header_cb, 0, "<ToggleItem>"},
279
280         {N_("/_Message"),               NULL, NULL, 0, "<Branch>"},
281         {N_("/_Message/Compose _new message"),
282                                         "<control>M", compose_cb, 0, NULL},
283         {N_("/_Message/---"),           NULL, NULL, 0, "<Separator>"},
284         {N_("/_Message/_Reply"),        "<control>R", reply_cb, COMPOSE_REPLY, NULL},
285         {N_("/_Message/Repl_y to/_all"),
286                                         "<control><shift>R", reply_cb, COMPOSE_REPLY_TO_ALL, NULL},
287         {N_("/_Message/Repl_y to/_sender"),
288                                         NULL, reply_cb, COMPOSE_REPLY_TO_SENDER, NULL},
289         {N_("/_Message/Repl_y to/mailing _list"),
290                                         "<control>L", reply_cb, COMPOSE_REPLY_TO_LIST, NULL},
291         {N_("/_Message/---"),           NULL, NULL, 0, "<Separator>"},
292         {N_("/_Message/_Forward"),      "<control><alt>F", reply_cb, COMPOSE_FORWARD_INLINE, NULL},
293         {N_("/_Message/For_ward as attachment"),
294                                         NULL, reply_cb, COMPOSE_FORWARD_AS_ATTACH, NULL},
295         {N_("/_Message/Redirec_t"),     NULL, reply_cb, COMPOSE_REDIRECT, NULL},
296         {N_("/_Message/---"),           NULL, NULL, 0, "<Separator>"},
297         {N_("/_Message/Re-_edit"),      NULL, reedit_cb, 0, NULL},
298
299         {N_("/_Tools"),                 NULL, NULL, 0, "<Branch>"},
300         {N_("/_Tools/_Address book"),   "<control><shift>A", addressbook_open_cb, 0, NULL},
301         {N_("/_Tools/Add sender to address boo_k"),
302                                         NULL, add_address_cb, 0, NULL},
303         {N_("/_Tools/---"),             NULL, NULL, 0, "<Separator>"},
304         {N_("/_Tools/_Create filter rule"),
305                                         NULL, NULL, 0, "<Branch>"},
306         {N_("/_Tools/_Create filter rule/_Automatically"),
307                                         NULL, create_filter_cb, FILTER_BY_AUTO, NULL},
308         {N_("/_Tools/_Create filter rule/by _From"),
309                                         NULL, create_filter_cb, FILTER_BY_FROM, NULL},
310         {N_("/_Tools/_Create filter rule/by _To"),
311                                         NULL, create_filter_cb, FILTER_BY_TO, NULL},
312         {N_("/_Tools/_Create filter rule/by _Subject"),
313                                         NULL, create_filter_cb, FILTER_BY_SUBJECT, NULL},
314         {N_("/_Tools/Create processing rule"),
315                                         NULL, NULL, 0, "<Branch>"},
316         {N_("/_Tools/Create processing rule/_Automatically"),
317                                         NULL, create_processing_cb, FILTER_BY_AUTO, NULL},
318         {N_("/_Tools/Create processing rule/by _From"),
319                                         NULL, create_processing_cb, FILTER_BY_FROM, NULL},
320         {N_("/_Tools/Create processing rule/by _To"),
321                                         NULL, create_processing_cb, FILTER_BY_TO, NULL},
322         {N_("/_Tools/Create processing rule/by _Subject"),
323                                         NULL, create_processing_cb, FILTER_BY_SUBJECT, NULL},
324         {N_("/_Tools/---"),             NULL, NULL, 0, "<Separator>"},
325         {N_("/_Tools/Actio_ns"),        NULL, NULL, 0, "<Branch>"},
326
327         {N_("/_Help"),                  NULL, NULL, 0, "<Branch>"},
328         {N_("/_Help/_About"),           NULL, about_cb, 0, NULL}
329 };
330
331 MessageView *messageview_create(MainWindow *mainwin)
332 {
333         MessageView *messageview;
334         GtkWidget *vbox;
335         HeaderView *headerview;
336         MimeView *mimeview;
337         NoticeView *noticeview;
338
339         debug_print("Creating message view...\n");
340         messageview = g_new0(MessageView, 1);
341
342         headerview = headerview_create();
343
344         noticeview = noticeview_create(mainwin);
345
346         mimeview = mimeview_create(mainwin);
347         mimeview->textview = textview_create();
348         mimeview->textview->messageview = messageview;
349         mimeview->messageview = messageview;
350
351         vbox = gtk_vbox_new(FALSE, 0);
352         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET_PTR(headerview),
353                            FALSE, FALSE, 0);
354         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET_PTR(noticeview),
355                            FALSE, FALSE, 0);
356         gtk_box_pack_start(GTK_BOX(vbox),
357                            GTK_WIDGET_PTR(mimeview), TRUE, TRUE, 0);
358         gtk_widget_show(vbox);
359
360         messageview->vbox        = vbox;
361         messageview->new_window  = FALSE;
362         messageview->window      = NULL;
363         messageview->headerview  = headerview;
364         messageview->mimeview    = mimeview;
365         messageview->noticeview = noticeview;
366         messageview->mainwin    = mainwin;
367
368         messageview->statusbar     = NULL;
369         messageview->statusbar_cid = 0;
370
371         messageview->msginfo_update_callback_id =
372                 hooks_register_hook(MSGINFO_UPDATE_HOOKLIST, messageview_update_msg, (gpointer) messageview);
373
374         return messageview;
375 }
376
377 GList *messageview_get_msgview_list(void)
378 {
379         return msgview_list;
380 }
381
382 void messageview_update_actions_menu(MessageView *msgview)
383 {
384         GtkItemFactory *ifactory;
385
386         /* Messages opened in a new window do not have a menu bar */
387         if (msgview->menubar == NULL)
388                 return;
389         ifactory = gtk_item_factory_from_widget(msgview->menubar);
390         action_update_msgview_menu(ifactory, "/Tools/Actions", msgview);
391 }
392
393 void messageview_add_toolbar(MessageView *msgview, GtkWidget *window) 
394 {
395         GtkWidget *handlebox;
396         GtkWidget *vbox;
397         GtkWidget *menubar;
398         GtkWidget *statusbar;
399         guint n_menu_entries;
400
401         vbox = gtk_vbox_new(FALSE, 0);
402         gtk_widget_show(vbox);
403         gtk_container_add(GTK_CONTAINER(window), vbox); 
404
405         n_menu_entries = sizeof(msgview_entries) / sizeof(msgview_entries[0]);
406         menubar = menubar_create(window, msgview_entries,
407                                  n_menu_entries, "<MessageView>", msgview);
408         gtk_widget_show(menubar);
409         gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, TRUE, 0);
410
411         if (prefs_common.toolbar_detachable) {
412                 handlebox = gtk_handle_box_new();
413         } else {
414                 handlebox = gtk_hbox_new(FALSE, 0);
415         }
416         gtk_box_pack_start(GTK_BOX(vbox), handlebox, FALSE, FALSE, 0);
417         gtk_widget_realize(handlebox);
418         msgview->toolbar = toolbar_create(TOOLBAR_MSGVIEW, handlebox,
419                                           (gpointer)msgview);
420
421         statusbar = gtk_statusbar_new();
422         gtk_widget_show(statusbar);
423         gtk_box_pack_end(GTK_BOX(vbox), statusbar, FALSE, FALSE, 0);
424         msgview->statusbar = statusbar;
425         msgview->statusbar_cid = gtk_statusbar_get_context_id
426                 (GTK_STATUSBAR(statusbar), "Message View");
427
428         msgview->handlebox = handlebox;
429         msgview->menubar   = menubar;
430
431         gtk_container_add(GTK_CONTAINER(vbox),
432                           GTK_WIDGET_PTR(msgview));
433
434         messageview_update_actions_menu(msgview);
435
436         msgview_list = g_list_append(msgview_list, msgview);
437 }
438
439 MessageView *messageview_create_with_new_window(MainWindow *mainwin)
440 {
441         MessageView *msgview;
442         GtkWidget *window;
443         static GdkGeometry geometry;
444
445         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
446         gtk_window_set_title(GTK_WINDOW(window), _("Sylpheed - Message View"));
447         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
448
449         if (!geometry.min_height) {
450                 geometry.min_width = 320;
451                 geometry.min_height = 200;
452         }
453         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
454                                       GDK_HINT_MIN_SIZE);
455
456         gtk_widget_set_size_request(window, prefs_common.msgwin_width,
457                                     prefs_common.msgwin_height);
458
459         msgview = messageview_create(mainwin);
460
461         g_signal_connect(G_OBJECT(window), "size_allocate",
462                          G_CALLBACK(messageview_size_allocate_cb),
463                          msgview);
464         g_signal_connect(G_OBJECT(window), "delete_event",
465                          G_CALLBACK(messageview_delete_cb), msgview);
466         g_signal_connect(G_OBJECT(window), "key_press_event",
467                          G_CALLBACK(key_pressed), msgview);
468
469         messageview_add_toolbar(msgview, window);
470
471         gtk_widget_grab_focus(msgview->mimeview->textview->text);
472         gtk_widget_show(window);
473
474         msgview->new_window = TRUE;
475         msgview->window = window;
476         msgview->visible = TRUE;
477
478         toolbar_set_style(msgview->toolbar->toolbar, msgview->handlebox, 
479                           prefs_common.toolbar_style);
480         messageview_init(msgview);
481
482         return msgview;
483 }
484
485 void messageview_init(MessageView *messageview)
486 {
487         headerview_init(messageview->headerview);
488         mimeview_init(messageview->mimeview);
489         /*messageview_set_font(messageview);*/
490
491         noticeview_hide(messageview->noticeview);
492 }
493
494 static void notification_convert_header(gchar *dest, gint len, 
495                                         const gchar *src_,
496                                         gint header_len)
497 {
498         char *src;
499
500         g_return_if_fail(src_ != NULL);
501         g_return_if_fail(dest != NULL);
502
503         if (len < 1) return;
504
505         Xstrndup_a(src, src_, len, return);
506
507         remove_return(src);
508
509         if (is_ascii_str(src)) {
510                 strncpy2(dest, src, len);
511                 dest[len - 1] = '\0';
512                 return;
513         } else
514                 conv_encode_header(dest, len, src, header_len, FALSE);
515 }
516
517 static gint disposition_notification_send(MsgInfo *msginfo)
518 {
519         gchar buf[BUFFSIZE];
520         gchar tmp[MAXPATHLEN + 1];
521         FILE *fp;
522         GList *ac_list;
523         PrefsAccount *account = NULL;
524         gint ok;
525         gchar *to;
526         FolderItem *queue, *outbox;
527         gint num;
528         gchar *path;
529         gchar *addr;
530         gchar *addrp;
531
532         if ((!msginfo->returnreceiptto) && 
533             (!msginfo->dispositionnotificationto)) 
534                 return -1;
535
536         /* RFC2298: Test for Return-Path */
537         if (msginfo->dispositionnotificationto)
538                 to = msginfo->dispositionnotificationto;
539         else
540                 to = msginfo->returnreceiptto;
541
542         ok = procheader_get_header_from_msginfo(msginfo, buf, sizeof(buf),
543                                 "Return-Path:");
544         if (ok == 0) {
545                 gchar *to_addr = g_strdup(to);
546                 extract_address(to_addr);
547                 extract_address(buf);
548                 ok = strcmp(to_addr, buf);
549                 g_free(to_addr);
550         } else {
551                 strncpy(buf, _("<No Return-Path found>"), 
552                                 sizeof(buf));
553         }
554         
555         if (ok != 0) {
556                 AlertValue val;
557                 gchar *message;
558                 message = g_strdup_printf(
559                   _("The notification address to which the return receipt is\n"
560                     "to be sent does not correspond to the return path:\n"
561                     "Notification address: %s\n"
562                     "Return path: %s\n"
563                     "It is advised to not to send the return receipt."),
564                   to, buf);
565                 val = alertpanel_full(_("Warning"), message, _("_Send"),
566                                         _("+_Don't Send"), NULL, FALSE,
567                                         NULL, ALERT_WARNING, G_ALERTALTERNATE);
568                 g_free(message);                                
569                 if (val != G_ALERTDEFAULT)
570                         return -1;
571         }
572
573         ac_list = account_find_all_from_address(NULL, msginfo->to);
574         ac_list = account_find_all_from_address(ac_list, msginfo->cc);
575
576         if (ac_list == NULL) {
577                 AlertValue val = 
578                 alertpanel_full(_("Warning"),
579                   _("This message is asking for a return receipt notification\n"
580                     "but according to its 'To:' and 'CC:' headers it was not\n"
581                     "officially addressed to you.\n"
582                     "It is advised to not to send the return receipt."),
583                   _("_Send"), _("+_Don't Send"),NULL, FALSE,
584                   NULL, ALERT_WARNING, G_ALERTALTERNATE);
585                 if (val != G_ALERTDEFAULT)
586                         return -1;
587         }
588
589         if (g_list_length(ac_list) > 1) {
590                 if ((account = select_account_from_list(ac_list)) == NULL)
591                         return -1;
592         }
593         else if (ac_list != NULL)
594                 account = (PrefsAccount *) ac_list->data;
595         g_list_free(ac_list);
596
597         if (account == NULL)
598                 account = account_get_default();
599         if (!account || account->protocol == A_NNTP) {
600                 alertpanel_error(_("Account for sending mail is not specified.\n"
601                                    "Please select a mail account before sending."));
602                 return -1;
603         }
604
605         /* write to temporary file */
606         g_snprintf(tmp, sizeof(tmp), "%s%ctmpmsg%d",
607                    get_rc_dir(), G_DIR_SEPARATOR, (gint)msginfo);
608
609         if ((fp = g_fopen(tmp, "wb")) == NULL) {
610                 FILE_OP_ERROR(tmp, "fopen");
611                 return -1;
612         }
613
614         /* chmod for security */
615         if (change_file_mode_rw(fp, tmp) < 0) {
616                 FILE_OP_ERROR(tmp, "chmod");
617                 g_warning("can't change file mode\n");
618         }
619         
620         addr = g_strdup(to);
621         
622         extract_address(addr);
623         addrp = addr;
624         
625         /* write queue headers */
626         fprintf(fp, "AF:\n");
627         fprintf(fp, "NF:0\n");
628         fprintf(fp, "PS:10\n");
629         fprintf(fp, "SRH:1\n");
630         fprintf(fp, "SFN:\n");
631         fprintf(fp, "DSR:\n");
632         fprintf(fp, "MID:\n");
633         fprintf(fp, "CFG:\n");
634         fprintf(fp, "PT:0\n");
635         fprintf(fp, "S:%s\n", account->address);
636         fprintf(fp, "RQ:\n");
637         if (account->smtp_server)
638                 fprintf(fp, "SSV:%s\n", account->smtp_server);
639         else
640                 fprintf(fp, "SSV:\n");
641         fprintf(fp, "SSH:\n");
642         fprintf(fp, "R:<%s>\n", addrp);
643         
644         g_free(addrp);
645         
646         /* check whether we need to save the message */
647         outbox = account_get_special_folder(account, F_OUTBOX); 
648         if (folder_get_default_outbox() == outbox && !prefs_common.savemsg)
649                 outbox = NULL;
650         if (outbox) {
651                 path = folder_item_get_identifier(outbox);
652                 fprintf(fp, "SCF:%s\n", path);
653                 g_free(path);
654         }               
655
656         fprintf(fp, "\n");
657         
658         /* Date */
659         get_rfc822_date(buf, sizeof(buf));
660         fprintf(fp, "Date: %s\n", buf);
661
662         /* From */
663         if (account->name && *account->name) {
664                 notification_convert_header
665                         (buf, sizeof(buf), account->name,
666                          strlen("From: "));
667                 fprintf(fp, "From: %s <%s>\n", buf, account->address);
668         } else
669                 fprintf(fp, "From: %s\n", account->address);
670
671         fprintf(fp, "To: %s\n", to);
672
673         /* Subject */
674         notification_convert_header(buf, sizeof(buf), msginfo->subject,
675                                     strlen("Subject: "));
676         fprintf(fp, "Subject: Disposition notification: %s\n", buf);
677
678         /* Message ID */
679         generate_msgid(buf, sizeof(buf));
680         fprintf(fp, "Message-ID: <%s>\n", buf);
681
682         if (fclose(fp) == EOF) {
683                 FILE_OP_ERROR(tmp, "fclose");
684                 g_unlink(tmp);
685                 return -1;
686         }
687
688         /* put it in queue */
689         queue = account_get_special_folder(account, F_QUEUE);
690         if (!queue) queue = folder_get_default_queue();
691         if (!queue) {
692                 g_warning("can't find queue folder\n");
693                 g_unlink(tmp);
694                 return -1;
695         }
696         folder_item_scan(queue);
697         if ((num = folder_item_add_msg(queue, tmp, NULL, TRUE)) < 0) {
698                 g_warning("can't queue the message\n");
699                 g_unlink(tmp);
700                 return -1;
701         }
702                 
703         if (prefs_common.work_offline && 
704             !inc_offline_should_override(
705                 _("Sylpheed-Claws needs network access in order "
706                   "to send this email.")))
707                 return 0;
708
709         /* send it */
710         path = folder_item_fetch_msg(queue, num);
711         ok = procmsg_send_message_queue(path);
712         g_free(path);
713         folder_item_remove_msg(queue, num);
714
715         return ok;
716 }
717
718 GList *messageview_get_window_list(void)
719 {
720         return messageview_list;
721 }
722
723 static gboolean find_encrypted_func(GNode *node, gpointer data)
724 {
725         MimeInfo *mimeinfo = (MimeInfo *) node->data;
726         MimeInfo **encinfo = (MimeInfo **) data;
727         
728         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
729                 *encinfo = mimeinfo;
730                 return TRUE;
731         }
732         
733         return FALSE;
734 }
735
736 static MimeInfo *find_encrypted_part(MimeInfo *rootinfo)
737 {
738         MimeInfo *encinfo = NULL;
739
740         g_node_traverse(rootinfo->node, G_IN_ORDER, G_TRAVERSE_ALL, -1,
741                 find_encrypted_func, &encinfo);
742         
743         return encinfo;
744 }
745
746 gint messageview_show(MessageView *messageview, MsgInfo *msginfo,
747                       gboolean all_headers)
748 {
749         gchar *file;
750         MimeInfo *mimeinfo, *encinfo;
751         gchar *subject = NULL;
752         g_return_val_if_fail(msginfo != NULL, -1);
753
754         if (messageview->toolbar)
755                 toolbar_set_learn_button
756                         (messageview->toolbar,
757                          MSG_IS_SPAM(msginfo->flags)?LEARN_HAM:LEARN_SPAM);
758         else
759                 toolbar_set_learn_button
760                         (messageview->mainwin->toolbar,
761                          MSG_IS_SPAM(msginfo->flags)?LEARN_HAM:LEARN_SPAM);
762
763         if (messageview->toolbar) {
764                 if (messageview->toolbar->learn_ham_btn)
765                         gtk_widget_set_sensitive(
766                                 messageview->toolbar->learn_ham_btn, 
767                                 procmsg_spam_can_learn());
768                 if (messageview->toolbar->learn_spam_btn)
769                         gtk_widget_set_sensitive(
770                                 messageview->toolbar->learn_spam_btn, 
771                                 procmsg_spam_can_learn());
772         }
773         mimeinfo = procmime_scan_message(msginfo);
774         if (!mimeinfo) {
775                 textview_show_error(messageview->mimeview->textview);
776                 return -1;
777         }
778
779         while ((encinfo = find_encrypted_part(mimeinfo)) != NULL) {
780                 debug_print("decrypting message part\n");
781                 if (privacy_mimeinfo_decrypt(encinfo) < 0)
782                         break;
783         }
784         
785         file = procmsg_get_message_file_path(msginfo);
786         if (!file) {
787                 g_warning("can't get message file path.\n");
788                 procmime_mimeinfo_free_all(mimeinfo);
789                 textview_show_error(messageview->mimeview->textview);
790                 return -1;
791         }
792
793         if (messageview->msginfo != msginfo) {
794                 procmsg_msginfo_free(messageview->msginfo);
795                 messageview->msginfo = procmsg_msginfo_get_full_info(msginfo);
796                 if (!messageview->msginfo)
797                         messageview->msginfo = procmsg_msginfo_copy(msginfo);
798         }
799         headerview_show(messageview->headerview, messageview->msginfo);
800
801         textview_set_all_headers(messageview->mimeview->textview, 
802                         messageview->all_headers);
803
804         mimeview_show_message(messageview->mimeview, mimeinfo, file);
805         
806         if (messageview->window)
807                 gtk_window_set_title(GTK_WINDOW(messageview->window), 
808                                 _("Sylpheed-Claws - Message View"));
809         if (messageview->window && msginfo->subject) {
810                 subject = g_strdup(msginfo->subject);
811                 if (!g_utf8_validate(subject, -1, NULL)) {
812                         g_free(subject);
813                         subject = g_malloc(strlen(msginfo->subject)*2 +1);
814                         conv_localetodisp(subject, strlen(msginfo->subject)*2 +1, 
815                                 msginfo->subject);
816                 }
817                 if (g_utf8_validate(subject, -1, NULL))
818                         gtk_window_set_title(GTK_WINDOW(messageview->window), 
819                                 subject);
820                 g_free(subject);
821         }
822
823         messageview_set_position(messageview, 0);
824
825         if (messageview->msginfo->partial_recv)
826                 partial_recv_show(messageview->noticeview, 
827                                   messageview->msginfo);
828         else if ((messageview->msginfo->dispositionnotificationto || 
829              messageview->msginfo->returnreceiptto) &&
830             !MSG_IS_RETRCPT_SENT(messageview->msginfo->flags))
831                 return_receipt_show(messageview->noticeview, 
832                                     messageview->msginfo);
833         else 
834                 noticeview_hide(messageview->noticeview);
835
836         mimeinfo = procmime_mimeinfo_next(mimeinfo);
837         if (mimeinfo && (mimeinfo->type != MIMETYPE_TEXT || 
838             strcmp(mimeinfo->subtype, "plain"))) {
839                 if (strcmp(mimeinfo->subtype, "html"))
840                         mimeview_show_part(messageview->mimeview,mimeinfo);
841                 else if (prefs_common.invoke_plugin_on_html)
842                         mimeview_show_part(messageview->mimeview,mimeinfo);
843         }
844
845         g_free(file);
846
847         return 0;
848 }
849
850 void messageview_reflect_prefs_pixmap_theme(void)
851 {
852         GList *cur;
853         MessageView *msgview;
854
855         for (cur = msgview_list; cur != NULL; cur = cur->next) {
856                 msgview = (MessageView*)cur->data;
857                 toolbar_update(TOOLBAR_MSGVIEW, msgview);
858                 mimeview_update(msgview->mimeview);
859         }
860 }
861
862 void messageview_clear(MessageView *messageview)
863 {
864         procmsg_msginfo_free(messageview->msginfo);
865         messageview->msginfo = NULL;
866         messageview->filtered = FALSE;
867         mimeview_clear(messageview->mimeview);
868         headerview_clear(messageview->headerview);
869         noticeview_hide(messageview->noticeview);
870 }
871
872 void messageview_destroy(MessageView *messageview)
873 {
874         debug_print("destroy messageview\n");
875         messageview_list = g_list_remove(messageview_list, messageview);
876
877         if (!messageview->deferred_destroy) {
878                 hooks_unregister_hook(MSGINFO_UPDATE_HOOKLIST,
879                               messageview->msginfo_update_callback_id);
880         }
881
882         if (messageview->updating) {
883                 debug_print("uh oh, better not touch that now\n");
884                 messageview->deferred_destroy = TRUE;
885                 gtk_widget_hide(messageview->window);
886                 return;
887         }
888
889         headerview_destroy(messageview->headerview);
890         mimeview_destroy(messageview->mimeview);
891         noticeview_destroy(messageview->noticeview);
892
893         procmsg_msginfo_free(messageview->msginfo);
894         toolbar_clear_list(TOOLBAR_MSGVIEW);
895         if (messageview->toolbar) {
896                 toolbar_destroy(messageview->toolbar);
897                 g_free(messageview->toolbar);
898         }
899         
900         msgview_list = g_list_remove(msgview_list, messageview); 
901
902         if (messageview->window)
903                 gtk_widget_destroy(messageview->window);
904         g_free(messageview);
905 }
906
907 void messageview_delete(MessageView *msgview)
908 {
909         MsgInfo *msginfo = NULL;
910         FolderItem *trash = NULL;
911         PrefsAccount *ac = NULL;
912
913         if (msgview->msginfo && msgview->mainwin && msgview->mainwin->summaryview)
914                 msginfo = summary_get_selected_msg(msgview->mainwin->summaryview);
915         
916         /* need a procmsg_msginfo_equal() */
917         if (msginfo && msgview->msginfo && 
918             msginfo->msgnum == msgview->msginfo->msgnum && 
919             msginfo->folder == msgview->msginfo->folder) {
920                 summary_delete_trash(msgview->mainwin->summaryview);
921         } else {                
922                 msginfo = msgview->msginfo;
923
924                 g_return_if_fail(msginfo != NULL);
925
926                 /* to get the trash folder, we have to choose either
927                  * the folder's or account's trash default - we prefer
928                  * the one in the account prefs */
929                 if (msginfo->folder) {
930                         if (NULL != (ac = account_find_from_item(msginfo->folder)))
931                                 trash = account_get_special_folder(ac, F_TRASH);
932                         if (!trash && msginfo->folder->folder)  
933                                 trash = msginfo->folder->folder->trash;
934                         /* if still not found, use the default */
935                         if (!trash) 
936                                 trash = folder_get_default_trash();
937                 }       
938
939                 g_return_if_fail(trash != NULL);
940
941                 if (prefs_common.immediate_exec)
942                         /* TODO: Delete from trash */
943                         folder_item_move_msg(trash, msginfo);
944                 else {
945                         procmsg_msginfo_set_to_folder(msginfo, trash);
946                         procmsg_msginfo_set_flags(msginfo, MSG_DELETED, 0);
947                         /* NOTE: does not update to next message in summaryview */
948                 }
949         }               
950 }
951
952 /* 
953  * \brief update messageview with currently selected message in summaryview
954  *        leave unchanged if summaryview is empty
955  * \param pointer to MessageView
956  */     
957 static void messageview_update(MessageView *msgview)
958 {
959         SummaryView *summaryview = (SummaryView*)msgview->mainwin->summaryview;
960
961         g_return_if_fail(summaryview != NULL);
962         
963         if (summaryview->selected) {
964                 GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
965                 MsgInfo *msginfo = gtk_ctree_node_get_row_data(ctree, 
966                                                       summaryview->selected);
967                 if (msginfo == NULL)
968                         return;
969
970                 messageview_show(msgview, msginfo, 
971                                  msgview->all_headers);
972         } 
973 }
974
975 void messageview_quote_color_set(void)
976 {
977 }
978
979 void messageview_set_font(MessageView *messageview)
980 {
981 }
982
983 TextView *messageview_get_current_textview(MessageView *messageview)
984 {
985         TextView *text = NULL;
986
987         text = messageview->mimeview->textview;
988
989         return text;
990 }
991
992 MimeInfo *messageview_get_selected_mime_part(MessageView *messageview)
993 {
994         return mimeview_get_selected_part(messageview->mimeview);
995 }
996
997 void messageview_copy_clipboard(MessageView *messageview)
998 {
999         TextView *text;
1000
1001         text = messageview_get_current_textview(messageview);
1002         if (text) {
1003                 GtkTextView *textview = GTK_TEXT_VIEW(text->text);
1004                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(textview);
1005                 GtkClipboard *clipboard
1006                         = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
1007
1008                 gtk_text_buffer_copy_clipboard(buffer, clipboard);
1009         }
1010 }
1011
1012 void messageview_select_all(MessageView *messageview)
1013 {
1014         TextView *text;
1015
1016         text = messageview_get_current_textview(messageview);
1017         if (text) {
1018                 GtkTextView *textview = GTK_TEXT_VIEW(text->text);
1019                 GtkTextBuffer *buffer;
1020                 GtkTextIter start, end;
1021
1022                 buffer = gtk_text_view_get_buffer(textview);
1023                 gtk_text_buffer_get_bounds(buffer, &start, &end);
1024                 gtk_text_buffer_select_range(buffer, &start, &end);
1025         }
1026 }
1027
1028 void messageview_set_position(MessageView *messageview, gint pos)
1029 {
1030         TextView *text;
1031
1032         text = messageview_get_current_textview(messageview);
1033         if (text)
1034                 textview_set_position(text, pos);
1035 }
1036
1037 gboolean messageview_search_string(MessageView *messageview, const gchar *str,
1038                                    gboolean case_sens)
1039 {
1040         TextView *text;
1041
1042         text = messageview_get_current_textview(messageview);
1043         if (text)
1044                 return textview_search_string(text, str, case_sens);
1045         return FALSE;
1046 }
1047
1048 gboolean messageview_search_string_backward(MessageView *messageview,
1049                                             const gchar *str,
1050                                             gboolean case_sens)
1051 {
1052         TextView *text;
1053
1054         text = messageview_get_current_textview(messageview);
1055         if (text)       
1056                 return textview_search_string_backward(text,
1057                                                        str, case_sens);
1058         return FALSE;
1059 }
1060
1061 gboolean messageview_is_visible(MessageView *messageview)
1062 {
1063         if (messageview == NULL)
1064                 return FALSE;
1065         return messageview->visible;
1066 }
1067
1068 void messageview_save_as(MessageView *messageview)
1069 {
1070         gchar *filename = NULL;
1071         MsgInfo *msginfo;
1072         gchar *src, *dest, *tmp;
1073
1074         if (!messageview->msginfo) return;
1075         msginfo = messageview->msginfo;
1076
1077         if (msginfo->subject) {
1078                 Xstrdup_a(filename, msginfo->subject, return);
1079                 subst_for_filename(filename);
1080         }
1081         dest = filesel_select_file_save(_("Save as"), filename);
1082         if (!dest) return;
1083         if (is_file_exist(dest)) {
1084                 AlertValue aval;
1085
1086                 aval = alertpanel(_("Overwrite"),
1087                                   _("Overwrite existing file?"),
1088                                   GTK_STOCK_CANCEL, GTK_STOCK_OK, NULL);
1089                 if (G_ALERTALTERNATE != aval) return;
1090         }
1091
1092         src = procmsg_get_message_file(msginfo);
1093         if (copy_file(src, dest, TRUE) < 0) {
1094                 tmp =  g_path_get_basename(dest);
1095                 alertpanel_error(_("Can't save the file '%s'."), tmp);
1096                 g_free(tmp);
1097         }
1098         g_free(dest);
1099         g_free(src);
1100 }
1101
1102 static gint messageview_delete_cb(GtkWidget *widget, GdkEventAny *event,
1103                                   MessageView *messageview)
1104 {
1105         messageview_destroy(messageview);
1106         return TRUE;
1107 }
1108
1109 static void messageview_size_allocate_cb(GtkWidget *widget,
1110                                          GtkAllocation *allocation)
1111 {
1112         g_return_if_fail(allocation != NULL);
1113
1114         prefs_common.msgwin_width  = allocation->width;
1115         prefs_common.msgwin_height = allocation->height;
1116 }
1117
1118 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
1119                         MessageView *messageview)
1120 {
1121         if (event && event->keyval == GDK_Escape && messageview->window) {
1122                 messageview_destroy(messageview);
1123                 return TRUE;
1124         }
1125
1126         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0)
1127                 return FALSE;
1128
1129         g_signal_stop_emission_by_name(G_OBJECT(widget),
1130                                         "key_press_event");
1131         mimeview_pass_key_press_event(messageview->mimeview, event);
1132         return FALSE;
1133 }
1134
1135 void messageview_toggle_view_real(MessageView *messageview)
1136 {
1137         MainWindow *mainwin = messageview->mainwin;
1138         union CompositeWin *cwin = &mainwin->win;
1139         GtkWidget *vpaned = NULL;
1140         GtkWidget *container = NULL;
1141         GtkItemFactory *ifactory = gtk_item_factory_from_widget(mainwin->menubar);
1142         
1143         switch (mainwin->type) {
1144         case SEPARATE_NONE:
1145                 vpaned = cwin->sep_none.vpaned;
1146                 container = cwin->sep_none.hpaned;
1147                 break;
1148         case SEPARATE_FOLDER:
1149                 vpaned = cwin->sep_folder.vpaned;
1150                 container = mainwin->vbox_body;
1151                 break;
1152         case SEPARATE_MESSAGE:
1153         case SEPARATE_BOTH:
1154                 return;
1155         }
1156
1157         if (vpaned->parent != NULL) {
1158                 gtk_widget_ref(vpaned);
1159                 gtkut_container_remove(GTK_CONTAINER(container), vpaned);
1160                 gtk_widget_reparent(GTK_WIDGET_PTR(messageview), container);
1161                 menu_set_sensitive(ifactory, "/View/Expand Summary View", FALSE);
1162         } else {
1163                 gtk_widget_reparent(GTK_WIDGET_PTR(messageview), vpaned);
1164                 gtk_container_add(GTK_CONTAINER(container), vpaned);
1165                 gtk_widget_unref(vpaned);
1166                 menu_set_sensitive(ifactory, "/View/Expand Summary View", TRUE);
1167                 gtk_widget_grab_focus(GTK_WIDGET(mainwin->summaryview->ctree));
1168         }
1169 }
1170
1171 static void return_receipt_show(NoticeView *noticeview, MsgInfo *msginfo)
1172 {
1173         if (msginfo->folder 
1174                 && (folder_has_parent_of_type(msginfo->folder, F_QUEUE)
1175                  || folder_has_parent_of_type(msginfo->folder, F_DRAFT)))
1176                 return;
1177
1178         noticeview_set_text(noticeview, _("This message asks for a return receipt."));
1179         noticeview_set_button_text(noticeview, _("Send receipt"));
1180         noticeview_set_button_press_callback(noticeview,
1181                                              G_CALLBACK(return_receipt_send_clicked),
1182                                              (gpointer) msginfo);
1183         noticeview_show(noticeview);
1184 }
1185
1186 static void return_receipt_send_clicked(NoticeView *noticeview, MsgInfo *msginfo)
1187 {
1188         MsgInfo *tmpmsginfo;
1189         gchar *file;
1190
1191         file = procmsg_get_message_file_path(msginfo);
1192         if (!file) {
1193                 g_warning("can't get message file path.\n");
1194                 return;
1195         }
1196
1197         tmpmsginfo = procheader_parse_file(file, msginfo->flags, TRUE, TRUE);
1198         tmpmsginfo->folder = msginfo->folder;
1199         tmpmsginfo->msgnum = msginfo->msgnum;
1200
1201         if (disposition_notification_send(tmpmsginfo) >= 0) {
1202                 procmsg_msginfo_set_flags(msginfo, MSG_RETRCPT_SENT, 0);
1203                 noticeview_hide(noticeview);
1204         }               
1205
1206         procmsg_msginfo_free(tmpmsginfo);
1207         g_free(file);
1208 }
1209
1210 static void partial_recv_show(NoticeView *noticeview, MsgInfo *msginfo)
1211 {
1212         gchar *text = NULL;
1213         gchar *button1 = NULL;
1214         gchar *button2 = NULL;
1215         void  *button1_cb = NULL;
1216         void  *button2_cb = NULL;
1217
1218         if (!partial_msg_in_uidl_list(msginfo)) {
1219                 text = g_strdup_printf(_("This message has been partially "
1220                                 "retrieved,\nand has been deleted from the "
1221                                 "server."));
1222         } else {
1223                 switch (msginfo->planned_download) {
1224                 case POP3_PARTIAL_DLOAD_UNKN:
1225                         text = g_strdup_printf(_("This message has been "
1226                                         "partially retrieved;\nit is %s."),
1227                                         to_human_readable(
1228                                                 (off_t)(msginfo->total_size)));
1229                         button1 = _("Mark for download");
1230                         button2 = _("Mark for deletion");
1231                         button1_cb = partial_recv_dload_clicked;
1232                         button2_cb = partial_recv_del_clicked;
1233                         break;
1234                 case POP3_PARTIAL_DLOAD_DLOAD:
1235                         text = g_strdup_printf(_("This message has been "
1236                                         "partially retrieved;\nit is %s and "
1237                                         "will be downloaded."),
1238                                         to_human_readable(
1239                                                 (off_t)(msginfo->total_size)));
1240                         button1 = _("Unmark");
1241                         button1_cb = partial_recv_unmark_clicked;
1242                         button2 = _("Mark for deletion");
1243                         button2_cb = partial_recv_del_clicked;
1244                         break;
1245                 case POP3_PARTIAL_DLOAD_DELE:
1246                         text = g_strdup_printf(_("This message has been "
1247                                         "partially retrieved;\nit is %s and "
1248                                         "will be deleted."),
1249                                         to_human_readable(
1250                                                 (off_t)(msginfo->total_size)));
1251                         button1 = _("Mark for download");
1252                         button1_cb = partial_recv_dload_clicked;
1253                         button2 = _("Unmark");
1254                         button2_cb = partial_recv_unmark_clicked;
1255                         break;
1256                 default:
1257                         return;
1258                 }
1259         }
1260         
1261         noticeview_set_text(noticeview, text);
1262         g_free(text);
1263         noticeview_set_button_text(noticeview, button1);
1264         noticeview_set_button_press_callback(noticeview,
1265                      G_CALLBACK(button1_cb), (gpointer) msginfo);
1266
1267         noticeview_set_2ndbutton_text(noticeview, button2);
1268         noticeview_set_2ndbutton_press_callback(noticeview,
1269                      G_CALLBACK(button2_cb), (gpointer) msginfo);
1270
1271         noticeview_show(noticeview);
1272 }
1273
1274 static void partial_recv_dload_clicked(NoticeView *noticeview, 
1275                                        MsgInfo *msginfo)
1276 {
1277         if (partial_mark_for_download(msginfo) == 0) {
1278                 partial_recv_show(noticeview, msginfo);
1279         }
1280 }
1281
1282 static void partial_recv_del_clicked(NoticeView *noticeview, 
1283                                        MsgInfo *msginfo)
1284 {
1285         if (partial_mark_for_delete(msginfo) == 0) {
1286                 partial_recv_show(noticeview, msginfo);
1287         }
1288 }
1289
1290 static void partial_recv_unmark_clicked(NoticeView *noticeview, 
1291                                        MsgInfo *msginfo)
1292 {
1293         if (partial_unmark(msginfo) == 0) {
1294                 partial_recv_show(noticeview, msginfo);
1295         }
1296 }
1297
1298 static void select_account_cb(GtkWidget *w, gpointer data)
1299 {
1300         *(gint*)data = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(w), MENU_VAL_ID));
1301 }
1302         
1303 static PrefsAccount *select_account_from_list(GList *ac_list)
1304 {
1305         GtkWidget *optmenu;
1306         GtkWidget *menu;
1307         gint account_id;
1308
1309         g_return_val_if_fail(ac_list != NULL, NULL);
1310         g_return_val_if_fail(ac_list->data != NULL, NULL);
1311         
1312         optmenu = gtk_option_menu_new();
1313         menu = gtkut_account_menu_new(ac_list, 
1314                         G_CALLBACK(select_account_cb), 
1315                         &account_id);
1316         if (!menu)
1317                 return NULL;
1318         gtk_option_menu_set_menu(GTK_OPTION_MENU(optmenu), menu);
1319         gtk_option_menu_set_history(GTK_OPTION_MENU(optmenu), 0);
1320         account_id = ((PrefsAccount *) ac_list->data)->account_id;
1321         if (alertpanel_with_widget(
1322                                 _("Return Receipt Notification"),
1323                                 _("The message was sent to several of your "
1324                                   "accounts.\n"
1325                                   "Please choose which account do you want to "
1326                                   "use for sending the receipt notification:"),
1327                                 _("_Send Notification"), _("+_Cancel"), NULL,
1328                                 optmenu) != G_ALERTDEFAULT)
1329                 return NULL;
1330         return account_find_from_id(account_id);
1331 }
1332
1333 /* 
1334  * \brief return selected messageview text, when nothing is 
1335  *        selected and message was filtered, return complete text
1336  *
1337  * \param  pointer to Messageview 
1338  *
1339  * \return pointer to text (needs to be free'd by calling func)
1340  */
1341 gchar *messageview_get_selection(MessageView *msgview)
1342 {
1343         TextView *textview;
1344         gchar *text = NULL;
1345         GtkTextView *edit = NULL;
1346         GtkTextBuffer *textbuf;
1347         gint body_pos = 0;
1348         
1349         g_return_val_if_fail(msgview != NULL, NULL);
1350
1351         textview = messageview_get_current_textview(msgview);
1352         g_return_val_if_fail(textview != NULL, NULL);
1353
1354         edit = GTK_TEXT_VIEW(textview->text);
1355         g_return_val_if_fail(edit != NULL, NULL);
1356         body_pos = textview->body_pos;
1357
1358         textbuf = gtk_text_view_get_buffer(edit);
1359
1360         if (gtk_text_buffer_get_selection_bounds(textbuf, NULL, NULL))
1361                 return gtkut_text_view_get_selection(edit);
1362         else if (msgview->filtered) {
1363                 GtkTextIter start_iter, end_iter;
1364                 gtk_text_buffer_get_iter_at_offset(textbuf, &start_iter, body_pos);
1365                 gtk_text_buffer_get_end_iter(textbuf, &end_iter);
1366                 gtk_text_buffer_get_text(textbuf, &start_iter, &end_iter, FALSE);
1367         } else
1368                 text = NULL;
1369
1370         return text;
1371 }
1372
1373 static void save_as_cb(gpointer data, guint action, GtkWidget *widget)
1374 {
1375         MessageView *messageview = (MessageView *)data;
1376         messageview_save_as(messageview);
1377 }
1378
1379 static void print_cb(gpointer data, guint action, GtkWidget *widget)
1380 {
1381         MessageView *messageview = (MessageView *)data;
1382 #ifndef USE_GNOMEPRINT
1383         gchar *cmdline = NULL;
1384         gchar *p;
1385 #endif
1386
1387         if (!messageview->msginfo) return;
1388 #ifndef USE_GNOMEPRINT
1389         cmdline = input_dialog(_("Print"),
1390                                _("Enter the print command line:\n"
1391                                  "('%s' will be replaced with file name)"),
1392                                prefs_common.print_cmd);
1393         if (!cmdline) return;
1394         if (!(p = strchr(cmdline, '%')) || *(p + 1) != 's' ||
1395             strchr(p + 2, '%')) {
1396                 alertpanel_error(_("Print command line is invalid:\n'%s'"),
1397                                  cmdline);
1398                 g_free(cmdline);
1399                 return;
1400         }
1401         procmsg_print_message(messageview->msginfo, cmdline);
1402         g_free(cmdline);
1403 #else
1404         if (!messageview->mimeview 
1405         ||  !messageview->mimeview->textview
1406         ||  !messageview->mimeview->textview->text)
1407                 alertpanel_warning(_("Cannot print: the message doesn't "
1408                                      "contain text."));
1409
1410         gedit_print(
1411                 GTK_TEXT_VIEW(messageview->mimeview
1412                                 ->textview->text));
1413 #endif
1414 }
1415
1416 static void close_cb(gpointer data, guint action, GtkWidget *widget)
1417 {
1418         MessageView *messageview = (MessageView *)data;
1419         messageview_destroy(messageview);
1420 }
1421
1422 static void copy_cb(gpointer data, guint action, GtkWidget *widget)
1423 {
1424         MessageView *messageview = (MessageView *)data;
1425         messageview_copy_clipboard(messageview);
1426 }
1427
1428 static void allsel_cb(gpointer data, guint action, GtkWidget *widget)
1429 {
1430         MessageView *messageview = (MessageView *)data;
1431         messageview_select_all(messageview);
1432 }
1433
1434 static void search_cb(gpointer data, guint action, GtkWidget *widget)
1435 {
1436         MessageView *messageview = (MessageView *)data;
1437         message_search(messageview);
1438 }
1439
1440 static void set_charset_cb(gpointer data, guint action, GtkWidget *widget)
1441 {
1442         MessageView *messageview = (MessageView *)data;
1443         const gchar *charset;
1444
1445         if (GTK_CHECK_MENU_ITEM(widget)->active) {
1446                 charset = conv_get_charset_str((CharSet)action);
1447                 g_free(messageview->forced_charset);
1448                 messageview->forced_charset = g_strdup(charset);
1449                 procmime_force_charset(charset);
1450                 
1451                 messageview_show(messageview, messageview->msginfo, FALSE);
1452         }
1453 }
1454
1455 static void set_decode_cb(gpointer data, guint action, GtkWidget *widget)
1456 {
1457         MessageView *messageview = (MessageView *)data;
1458         if (GTK_CHECK_MENU_ITEM(widget)->active) {
1459                 messageview->forced_encoding = (EncodingType)action;
1460
1461                 messageview_show(messageview, messageview->msginfo, FALSE);
1462                 
1463                 debug_print("forced encoding: %d\n", action);
1464         }
1465 }
1466
1467
1468 static void view_source_cb(gpointer data, guint action, GtkWidget *widget)
1469 {
1470         MessageView *messageview = (MessageView *)data;
1471         SourceWindow *srcwin;
1472
1473         if (!messageview->msginfo) return;
1474
1475         srcwin = source_window_create();
1476         source_window_show_msg(srcwin, messageview->msginfo);
1477         source_window_show(srcwin);
1478 }
1479
1480 static void show_all_header_cb(gpointer data, guint action, GtkWidget *widget)
1481 {
1482         MessageView *messageview = (MessageView *)data;
1483         MsgInfo *msginfo = messageview->msginfo;
1484
1485         messageview->all_headers = 
1486                         GTK_CHECK_MENU_ITEM(widget)->active;
1487         if (!msginfo) return;
1488         messageview->msginfo = NULL;
1489         messageview_show(messageview, msginfo,
1490                          GTK_CHECK_MENU_ITEM(widget)->active);
1491         procmsg_msginfo_free(msginfo);
1492         main_window_set_menu_sensitive(messageview->mainwin);
1493 }
1494
1495 static void compose_cb(gpointer data, guint action, GtkWidget *widget)
1496 {
1497         MessageView *messageview = (MessageView *)data;
1498         PrefsAccount *ac = NULL;
1499         FolderItem *item = NULL;
1500
1501         if (messageview->msginfo)
1502                 item = messageview->msginfo->folder;
1503
1504         if (item) {
1505                 ac = account_find_from_item(item);
1506                 if (ac && ac->protocol == A_NNTP &&
1507                     item->stype == F_NEWS) {
1508                         compose_new(ac, item->path, NULL);
1509                         return;
1510                 }
1511         }
1512
1513         compose_new(ac, NULL, NULL);
1514 }
1515
1516 static void reply_cb(gpointer data, guint action, GtkWidget *widget)
1517 {
1518         MessageView *messageview = (MessageView *)data;
1519         GSList *msginfo_list = NULL;
1520
1521         g_return_if_fail(messageview->msginfo);
1522
1523         msginfo_list = g_slist_append(msginfo_list, messageview->msginfo);
1524         compose_reply_from_messageview(messageview, msginfo_list, action);
1525         g_slist_free(msginfo_list);
1526 }
1527
1528 static void reedit_cb(gpointer data, guint action, GtkWidget *widget)
1529 {
1530         MessageView *messageview = (MessageView *)data;
1531         MsgInfo *msginfo;
1532
1533         if (!messageview->msginfo) return;
1534         msginfo = messageview->msginfo;
1535         if (!msginfo->folder) return;
1536         if (!folder_has_parent_of_type(msginfo->folder, F_DRAFT) &&
1537             !folder_has_parent_of_type(msginfo->folder, F_OUTBOX) &&
1538             !folder_has_parent_of_type(msginfo->folder, F_QUEUE)) 
1539                 return;
1540
1541         compose_reedit(msginfo);
1542 }
1543
1544 static void addressbook_open_cb(gpointer data, guint action, GtkWidget *widget)
1545 {
1546         addressbook_open(NULL);
1547 }
1548
1549 static void add_address_cb(gpointer data, guint action, GtkWidget *widget)
1550 {
1551         MessageView *messageview = (MessageView *)data;
1552         MsgInfo *msginfo;
1553         gchar *from;
1554
1555         if (!messageview->msginfo) return;
1556         msginfo = messageview->msginfo;
1557         Xstrdup_a(from, msginfo->from, return);
1558         eliminate_address_comment(from);
1559         extract_address(from);
1560         addressbook_add_contact(msginfo->fromname, from, NULL);
1561 }
1562
1563 static void create_filter_cb(gpointer data, guint action, GtkWidget *widget)
1564 {
1565         MessageView *messageview = (MessageView *)data;
1566         FolderItem * item;
1567         
1568         if (!messageview->msginfo) return;
1569         
1570         item = messageview->msginfo->folder;
1571         summary_msginfo_filter_open(item,  messageview->msginfo,
1572                                     (PrefsFilterType)action, 0);
1573 }
1574
1575 static void create_processing_cb(gpointer data, guint action,
1576                                  GtkWidget *widget)
1577 {
1578         MessageView *messageview = (MessageView *)data;
1579         FolderItem * item;
1580         
1581         if (!messageview->msginfo) return;
1582         
1583         item = messageview->msginfo->folder;
1584         summary_msginfo_filter_open(item,  messageview->msginfo,
1585                                     (PrefsFilterType)action, 1);
1586 }
1587
1588 static void about_cb(gpointer data, guint action, GtkWidget *widget)
1589 {
1590         about_show();
1591 }
1592
1593 static gboolean messageview_update_msg(gpointer source, gpointer data)
1594 {
1595         MsgInfoUpdate *msginfo_update = (MsgInfoUpdate *) source;
1596         MessageView *messageview = (MessageView *)data;
1597
1598         if (messageview->msginfo != msginfo_update->msginfo)
1599                 return FALSE;
1600
1601         if (msginfo_update->flags & MSGINFO_UPDATE_DELETED) {
1602                 messageview_clear(messageview);
1603                 messageview_update(messageview);
1604         }
1605
1606         return FALSE;
1607 }
1608
1609 void messageview_set_menu_sensitive(MessageView *messageview)
1610 {
1611         GtkItemFactory *ifactory;
1612         GtkWidget *menuitem;
1613
1614         if (!messageview || !messageview->new_window) 
1615                 return;
1616         /* do some smart things */
1617         if (!messageview->menubar) return;
1618         ifactory = gtk_item_factory_from_widget(messageview->menubar);
1619         if (!ifactory) return;
1620         if (messageview->mainwin->type == SEPARATE_MESSAGE) {
1621                 menuitem = gtk_item_factory_get_widget(ifactory, "/View/Show all headers");
1622                 gtk_check_menu_item_set_active
1623                         (GTK_CHECK_MENU_ITEM(menuitem),
1624                          messageview->mimeview->textview->show_all_headers);
1625         }
1626 }
1627
1628 void messageview_learn (MessageView *msgview, gboolean is_spam)
1629 {
1630         if (is_spam) {
1631                 if (procmsg_spam_learner_learn(msgview->msginfo, NULL, TRUE) == 0)
1632                         procmsg_msginfo_set_flags(msgview->msginfo, MSG_SPAM, 0);
1633                 else
1634                         log_error(_("An error happened while learning.\n"));
1635                 
1636         } else {
1637                 if (procmsg_spam_learner_learn(msgview->msginfo, NULL, FALSE) == 0)
1638                         procmsg_msginfo_unset_flags(msgview->msginfo, MSG_SPAM, 0);
1639                 else
1640                         log_error(_("An error happened while learning.\n"));
1641         }
1642         if (msgview->toolbar)
1643                 toolbar_set_learn_button
1644                         (msgview->toolbar,
1645                          MSG_IS_SPAM(msgview->msginfo->flags)?LEARN_HAM:LEARN_SPAM);
1646         else
1647                 toolbar_set_learn_button
1648                         (msgview->mainwin->toolbar,
1649                          MSG_IS_SPAM(msgview->msginfo->flags)?LEARN_HAM:LEARN_SPAM);
1650 }