aaf3560261c276b36a4c61b12374b0b7b6ebceeb
[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 msg_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/_Fold all"),         "<control><shift>Q", msg_hide_quotes_cb, 1, "<ToggleItem>"},
282         {N_("/_View/Quotes/Fold from level _2"),NULL, msg_hide_quotes_cb, 2, "<ToggleItem>"},
283         {N_("/_View/Quotes/Fold from level _3"),NULL, msg_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->extradata)
536                 return -1;
537         if (!msginfo->extradata->returnreceiptto && 
538             !msginfo->extradata->dispositionnotificationto) 
539                 return -1;
540
541         /* RFC2298: Test for Return-Path */
542         if (msginfo->extradata->dispositionnotificationto)
543                 to = msginfo->extradata->dispositionnotificationto;
544         else
545                 to = msginfo->extradata->returnreceiptto;
546
547         ok = procheader_get_header_from_msginfo(msginfo, buf, sizeof(buf),
548                                 "Return-Path:");
549         if (ok == 0) {
550                 gchar *to_addr = g_strdup(to);
551                 extract_address(to_addr);
552                 extract_address(buf);
553                 ok = strcasecmp(to_addr, buf);
554                 g_free(to_addr);
555         } else {
556                 strncpy(buf, _("<No Return-Path found>"), 
557                                 sizeof(buf));
558         }
559         
560         if (ok != 0) {
561                 AlertValue val;
562                 gchar *message;
563                 message = g_strdup_printf(
564                   _("The notification address to which the return receipt is\n"
565                     "to be sent does not correspond to the return path:\n"
566                     "Notification address: %s\n"
567                     "Return path: %s\n"
568                     "It is advised to not to send the return receipt."),
569                   to, buf);
570                 val = alertpanel_full(_("Warning"), message,
571                                 _("_Don't Send"), _("_Send"), NULL, FALSE,
572                                 NULL, ALERT_WARNING, G_ALERTDEFAULT);
573                 g_free(message);                                
574                 if (val != G_ALERTALTERNATE)
575                         return -1;
576         }
577
578         ac_list = account_find_all_from_address(NULL, msginfo->to);
579         ac_list = account_find_all_from_address(ac_list, msginfo->cc);
580
581         if (ac_list == NULL) {
582                 AlertValue val = 
583                 alertpanel_full(_("Warning"),
584                   _("This message is asking for a return receipt notification\n"
585                     "but according to its 'To:' and 'CC:' headers it was not\n"
586                     "officially addressed to you.\n"
587                     "It is advised to not to send the return receipt."),
588                   _("_Don't Send"), _("_Send"), NULL, FALSE,
589                   NULL, ALERT_WARNING, G_ALERTDEFAULT);
590                 if (val != G_ALERTALTERNATE)
591                         return -1;
592         }
593
594         if (g_list_length(ac_list) > 1) {
595                 if ((account = select_account_from_list(ac_list)) == NULL)
596                         return -1;
597         }
598         else if (ac_list != NULL)
599                 account = (PrefsAccount *) ac_list->data;
600         g_list_free(ac_list);
601
602         if (account == NULL)
603                 account = account_get_default();
604         if (!account || account->protocol == A_NNTP) {
605                 alertpanel_error(_("Account for sending mail is not specified.\n"
606                                    "Please select a mail account before sending."));
607                 return -1;
608         }
609
610         /* write to temporary file */
611         g_snprintf(tmp, sizeof(tmp), "%s%ctmpmsg%d",
612                    get_rc_dir(), G_DIR_SEPARATOR, (gint)msginfo);
613
614         if ((fp = g_fopen(tmp, "wb")) == NULL) {
615                 FILE_OP_ERROR(tmp, "fopen");
616                 return -1;
617         }
618
619         /* chmod for security */
620         if (change_file_mode_rw(fp, tmp) < 0) {
621                 FILE_OP_ERROR(tmp, "chmod");
622                 g_warning("can't change file mode\n");
623         }
624         
625         addr = g_strdup(to);
626         
627         extract_address(addr);
628         addrp = addr;
629         
630         /* write queue headers */
631         fprintf(fp, "AF:\n");
632         fprintf(fp, "NF:0\n");
633         fprintf(fp, "PS:10\n");
634         fprintf(fp, "SRH:1\n");
635         fprintf(fp, "SFN:\n");
636         fprintf(fp, "DSR:\n");
637         fprintf(fp, "MID:\n");
638         fprintf(fp, "CFG:\n");
639         fprintf(fp, "PT:0\n");
640         fprintf(fp, "S:%s\n", account->address);
641         fprintf(fp, "RQ:\n");
642         if (account->smtp_server)
643                 fprintf(fp, "SSV:%s\n", account->smtp_server);
644         else
645                 fprintf(fp, "SSV:\n");
646         fprintf(fp, "SSH:\n");
647         fprintf(fp, "R:<%s>\n", addrp);
648         
649         g_free(addrp);
650         
651         /* check whether we need to save the message */
652         outbox = account_get_special_folder(account, F_OUTBOX); 
653         if (folder_get_default_outbox() == outbox && !prefs_common.savemsg)
654                 outbox = NULL;
655         if (outbox) {
656                 path = folder_item_get_identifier(outbox);
657                 fprintf(fp, "SCF:%s\n", path);
658                 g_free(path);
659         }               
660
661         fprintf(fp, "X-Sylpheed-End-Special-Headers: 1\n");
662         
663         /* Date */
664         get_rfc822_date(buf, sizeof(buf));
665         fprintf(fp, "Date: %s\n", buf);
666
667         /* From */
668         if (account->name && *account->name) {
669                 notification_convert_header
670                         (buf, sizeof(buf), account->name,
671                          strlen("From: "));
672                 fprintf(fp, "From: %s <%s>\n", buf, account->address);
673         } else
674                 fprintf(fp, "From: %s\n", account->address);
675
676         fprintf(fp, "To: %s\n", to);
677
678         /* Subject */
679         notification_convert_header(buf, sizeof(buf), msginfo->subject,
680                                     strlen("Subject: "));
681         fprintf(fp, "Subject: Disposition notification: %s\n", buf);
682
683         /* Message ID */
684         generate_msgid(buf, sizeof(buf));
685         fprintf(fp, "Message-ID: <%s>\n", buf);
686
687         if (fclose(fp) == EOF) {
688                 FILE_OP_ERROR(tmp, "fclose");
689                 g_unlink(tmp);
690                 return -1;
691         }
692
693         /* put it in queue */
694         queue = account_get_special_folder(account, F_QUEUE);
695         if (!queue) queue = folder_get_default_queue();
696         if (!queue) {
697                 g_warning("can't find queue folder\n");
698                 g_unlink(tmp);
699                 return -1;
700         }
701         folder_item_scan(queue);
702         if ((num = folder_item_add_msg(queue, tmp, NULL, TRUE)) < 0) {
703                 g_warning("can't queue the message\n");
704                 g_unlink(tmp);
705                 return -1;
706         }
707                 
708         if (prefs_common.work_offline && 
709             !inc_offline_should_override(
710                 _("Sylpheed-Claws needs network access in order "
711                   "to send this email.")))
712                 return 0;
713
714         /* send it */
715         path = folder_item_fetch_msg(queue, num);
716         ok = procmsg_send_message_queue(path, &foo, queue, num);
717         g_free(path);
718         g_free(foo);
719         folder_item_remove_msg(queue, num);
720
721         return ok;
722 }
723
724 GList *messageview_get_window_list(void)
725 {
726         return messageview_list;
727 }
728
729 static gboolean find_encrypted_func(GNode *node, gpointer data)
730 {
731         MimeInfo *mimeinfo = (MimeInfo *) node->data;
732         MimeInfo **encinfo = (MimeInfo **) data;
733         
734         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
735                 *encinfo = mimeinfo;
736                 return TRUE;
737         }
738         
739         return FALSE;
740 }
741
742 static MimeInfo *find_encrypted_part(MimeInfo *rootinfo)
743 {
744         MimeInfo *encinfo = NULL;
745
746         g_node_traverse(rootinfo->node, G_IN_ORDER, G_TRAVERSE_ALL, -1,
747                 find_encrypted_func, &encinfo);
748         
749         return encinfo;
750 }
751
752 gint messageview_show(MessageView *messageview, MsgInfo *msginfo,
753                       gboolean all_headers)
754 {
755         gchar *file;
756         MimeInfo *mimeinfo, *encinfo;
757         gchar *subject = NULL;
758         g_return_val_if_fail(msginfo != NULL, -1);
759
760         if (messageview->mimeview->textview &&
761             messageview->mimeview->textview->loading) {
762                 messageview->mimeview->textview->stop_loading = TRUE;
763                 return 0;
764         }
765         if (messageview->toolbar)
766                 toolbar_set_learn_button
767                         (messageview->toolbar,
768                          MSG_IS_SPAM(msginfo->flags)?LEARN_HAM:LEARN_SPAM);
769         else
770                 toolbar_set_learn_button
771                         (messageview->mainwin->toolbar,
772                          MSG_IS_SPAM(msginfo->flags)?LEARN_HAM:LEARN_SPAM);
773
774         if (messageview->toolbar) {
775                 if (messageview->toolbar->learn_ham_btn)
776                         gtk_widget_set_sensitive(
777                                 messageview->toolbar->learn_ham_btn, 
778                                 procmsg_spam_can_learn());
779                 if (messageview->toolbar->learn_spam_btn)
780                         gtk_widget_set_sensitive(
781                                 messageview->toolbar->learn_spam_btn, 
782                                 procmsg_spam_can_learn());
783         }
784         messageview->updating = TRUE;
785         mimeinfo = procmime_scan_message(msginfo);
786         messageview->updating = FALSE;
787         
788         if (messageview->deferred_destroy) {
789                 messageview_destroy(messageview);
790                 return 0;
791         }
792
793         if (!mimeinfo) {
794                 textview_show_error(messageview->mimeview->textview);
795                 return -1;
796         }
797
798         while ((encinfo = find_encrypted_part(mimeinfo)) != NULL) {
799                 debug_print("decrypting message part\n");
800                 if (privacy_mimeinfo_decrypt(encinfo) < 0) {
801                         alertpanel_error(_("Couldn't decrypt: %s"),
802                                 privacy_get_error());
803                         break;
804                 }
805         }
806         
807         messageview->updating = TRUE;
808         file = procmsg_get_message_file_path(msginfo);
809         messageview->updating = FALSE;
810         
811         if (messageview->deferred_destroy) {
812                 g_free(file);
813                 messageview_destroy(messageview);
814                 return 0;
815         }
816
817         if (!file) {
818                 g_warning("can't get message file path.\n");
819                 procmime_mimeinfo_free_all(mimeinfo);
820                 textview_show_error(messageview->mimeview->textview);
821                 return -1;
822         }
823         
824         if (messageview->msginfo != msginfo) {
825                 procmsg_msginfo_free(messageview->msginfo);
826                 messageview->msginfo = NULL;
827                 messageview_set_menu_sensitive(messageview);
828                 messageview->msginfo = procmsg_msginfo_get_full_info(msginfo);
829                 if (!messageview->msginfo)
830                         messageview->msginfo = procmsg_msginfo_copy(msginfo);
831         } else {
832                 messageview->msginfo = NULL;
833                 messageview_set_menu_sensitive(messageview);
834                 messageview->msginfo = msginfo;
835         }
836         headerview_show(messageview->headerview, messageview->msginfo);
837
838         messageview_set_position(messageview, 0);
839
840         textview_set_all_headers(messageview->mimeview->textview, 
841                         messageview->all_headers);
842
843         mimeview_show_message(messageview->mimeview, mimeinfo, file);
844         
845         if (messageview->window)
846                 gtk_window_set_title(GTK_WINDOW(messageview->window), 
847                                 _("Sylpheed-Claws - Message View"));
848         if (messageview->window && msginfo->subject) {
849                 subject = g_strdup(msginfo->subject);
850                 if (!g_utf8_validate(subject, -1, NULL)) {
851                         g_free(subject);
852                         subject = g_malloc(strlen(msginfo->subject)*2 +1);
853                         conv_localetodisp(subject, strlen(msginfo->subject)*2 +1, 
854                                 msginfo->subject);
855                 }
856                 if (g_utf8_validate(subject, -1, NULL))
857                         gtk_window_set_title(GTK_WINDOW(messageview->window), 
858                                 subject);
859                 g_free(subject);
860         }
861
862         main_create_mailing_list_menu(messageview->mainwin, messageview->msginfo);
863
864         if (messageview->msginfo->extradata
865             && messageview->msginfo->extradata->partial_recv)
866                 partial_recv_show(messageview->noticeview, 
867                                   messageview->msginfo);
868         else if (messageview->msginfo->extradata &&
869             (messageview->msginfo->extradata->dispositionnotificationto || 
870              messageview->msginfo->extradata->returnreceiptto) &&
871             !MSG_IS_RETRCPT_SENT(messageview->msginfo->flags) &&
872             !prefs_common.never_send_retrcpt)
873                 return_receipt_show(messageview->noticeview, 
874                                     messageview->msginfo);
875         else 
876                 noticeview_hide(messageview->noticeview);
877
878         mimeinfo = procmime_mimeinfo_next(mimeinfo);
879         if (mimeinfo && (mimeinfo->type != MIMETYPE_TEXT || 
880             strcasecmp(mimeinfo->subtype, "plain"))) {
881                 if (strcasecmp(mimeinfo->subtype, "html"))
882                         mimeview_show_part(messageview->mimeview,mimeinfo);
883                 else if (prefs_common.invoke_plugin_on_html)
884                         mimeview_select_mimepart_icon(messageview->mimeview,mimeinfo);
885         }
886
887         g_free(file);
888
889         return 0;
890 }
891
892 void messageview_reflect_prefs_pixmap_theme(void)
893 {
894         GList *cur;
895         MessageView *msgview;
896
897         for (cur = msgview_list; cur != NULL; cur = cur->next) {
898                 msgview = (MessageView*)cur->data;
899                 toolbar_update(TOOLBAR_MSGVIEW, msgview);
900                 mimeview_update(msgview->mimeview);
901         }
902 }
903
904 void messageview_clear(MessageView *messageview)
905 {
906         procmsg_msginfo_free(messageview->msginfo);
907         messageview->msginfo = NULL;
908         messageview->filtered = FALSE;
909         mimeview_clear(messageview->mimeview);
910         headerview_clear(messageview->headerview);
911         noticeview_hide(messageview->noticeview);
912 }
913
914 void messageview_destroy(MessageView *messageview)
915 {
916         debug_print("destroy messageview\n");
917         messageview_list = g_list_remove(messageview_list, messageview);
918
919         if (!messageview->deferred_destroy) {
920                 hooks_unregister_hook(MSGINFO_UPDATE_HOOKLIST,
921                               messageview->msginfo_update_callback_id);
922         }
923
924         if (messageview->updating) {
925                 debug_print("uh oh, better not touch that now (fetching)\n");
926                 messageview->deferred_destroy = TRUE;
927                 gtk_widget_hide(messageview->window);
928                 return;
929         }
930         
931         if (messageview->mimeview->textview
932         &&  messageview->mimeview->textview->loading) {
933                 debug_print("uh oh, better not touch that now (loading text)\n");
934                 messageview->deferred_destroy = TRUE;
935                 messageview->mimeview->textview->stop_loading = TRUE;
936                 gtk_widget_hide(messageview->window);
937                 return;
938         }
939
940         headerview_destroy(messageview->headerview);
941         mimeview_destroy(messageview->mimeview);
942         noticeview_destroy(messageview->noticeview);
943
944         procmsg_msginfo_free(messageview->msginfo);
945         toolbar_clear_list(TOOLBAR_MSGVIEW);
946         if (messageview->toolbar) {
947                 toolbar_destroy(messageview->toolbar);
948                 g_free(messageview->toolbar);
949         }
950         
951         msgview_list = g_list_remove(msgview_list, messageview); 
952
953         if (messageview->window)
954                 gtk_widget_destroy(messageview->window);
955         g_free(messageview);
956 }
957
958 void messageview_delete(MessageView *msgview)
959 {
960         MsgInfo *msginfo = NULL;
961         FolderItem *trash = NULL;
962         PrefsAccount *ac = NULL;
963
964         if (msgview->msginfo && msgview->mainwin && msgview->mainwin->summaryview)
965                 msginfo = summary_get_selected_msg(msgview->mainwin->summaryview);
966         
967         /* need a procmsg_msginfo_equal() */
968         if (msginfo && msgview->msginfo && 
969             msginfo->msgnum == msgview->msginfo->msgnum && 
970             msginfo->folder == msgview->msginfo->folder) {
971                 summary_delete_trash(msgview->mainwin->summaryview);
972         } else {                
973                 msginfo = msgview->msginfo;
974
975                 g_return_if_fail(msginfo != NULL);
976
977                 /* to get the trash folder, we have to choose either
978                  * the folder's or account's trash default - we prefer
979                  * the one in the account prefs */
980                 if (msginfo->folder) {
981                         if (NULL != (ac = account_find_from_item(msginfo->folder)))
982                                 trash = account_get_special_folder(ac, F_TRASH);
983                         if (!trash && msginfo->folder->folder)  
984                                 trash = msginfo->folder->folder->trash;
985                         /* if still not found, use the default */
986                         if (!trash) 
987                                 trash = folder_get_default_trash();
988                 }       
989
990                 g_return_if_fail(trash != NULL);
991
992                 if (prefs_common.immediate_exec)
993                         /* TODO: Delete from trash */
994                         folder_item_move_msg(trash, msginfo);
995                 else {
996                         procmsg_msginfo_set_to_folder(msginfo, trash);
997                         procmsg_msginfo_set_flags(msginfo, MSG_DELETED, 0);
998                         /* NOTE: does not update to next message in summaryview */
999                 }
1000         }               
1001 }
1002
1003 /* 
1004  * \brief update messageview with currently selected message in summaryview
1005  *        leave unchanged if summaryview is empty
1006  * \param pointer to MessageView
1007  */     
1008 static void messageview_update(MessageView *msgview)
1009 {
1010         SummaryView *summaryview = (SummaryView*)msgview->mainwin->summaryview;
1011
1012         g_return_if_fail(summaryview != NULL);
1013         
1014         if (summaryview->selected) {
1015                 GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
1016                 MsgInfo *msginfo = gtk_ctree_node_get_row_data(ctree, 
1017                                                       summaryview->selected);
1018                 if (msginfo == NULL)
1019                         return;
1020
1021                 messageview_show(msgview, msginfo, 
1022                                  msgview->all_headers);
1023         } 
1024 }
1025
1026 void messageview_quote_color_set(void)
1027 {
1028 }
1029
1030 void messageview_set_font(MessageView *messageview)
1031 {
1032 }
1033
1034 TextView *messageview_get_current_textview(MessageView *messageview)
1035 {
1036         TextView *text = NULL;
1037
1038         text = messageview->mimeview->textview;
1039
1040         return text;
1041 }
1042
1043 MimeInfo *messageview_get_selected_mime_part(MessageView *messageview)
1044 {
1045         return mimeview_get_selected_part(messageview->mimeview);
1046 }
1047
1048 void messageview_copy_clipboard(MessageView *messageview)
1049 {
1050         TextView *text;
1051
1052         text = messageview_get_current_textview(messageview);
1053         if (text) {
1054                 GtkTextView *textview = GTK_TEXT_VIEW(text->text);
1055                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(textview);
1056                 GtkClipboard *clipboard
1057                         = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
1058
1059                 gtk_text_buffer_copy_clipboard(buffer, clipboard);
1060         }
1061 }
1062
1063 void messageview_select_all(MessageView *messageview)
1064 {
1065         TextView *text;
1066
1067         text = messageview_get_current_textview(messageview);
1068         if (text) {
1069                 GtkTextView *textview = GTK_TEXT_VIEW(text->text);
1070                 GtkTextBuffer *buffer;
1071                 GtkTextIter start, end;
1072
1073                 buffer = gtk_text_view_get_buffer(textview);
1074                 gtk_text_buffer_get_bounds(buffer, &start, &end);
1075                 gtk_text_buffer_select_range(buffer, &start, &end);
1076         }
1077 }
1078
1079 void messageview_set_position(MessageView *messageview, gint pos)
1080 {
1081         TextView *text;
1082
1083         text = messageview_get_current_textview(messageview);
1084         if (text)
1085                 textview_set_position(text, pos);
1086 }
1087
1088 gboolean messageview_search_string(MessageView *messageview, const gchar *str,
1089                                    gboolean case_sens)
1090 {
1091         TextView *text;
1092
1093         text = messageview_get_current_textview(messageview);
1094         if (text)
1095                 return textview_search_string(text, str, case_sens);
1096         return FALSE;
1097 }
1098
1099 gboolean messageview_search_string_backward(MessageView *messageview,
1100                                             const gchar *str,
1101                                             gboolean case_sens)
1102 {
1103         TextView *text;
1104
1105         text = messageview_get_current_textview(messageview);
1106         if (text)       
1107                 return textview_search_string_backward(text,
1108                                                        str, case_sens);
1109         return FALSE;
1110 }
1111
1112 gboolean messageview_is_visible(MessageView *messageview)
1113 {
1114         if (messageview == NULL)
1115                 return FALSE;
1116         return messageview->visible;
1117 }
1118
1119 void messageview_save_as(MessageView *messageview)
1120 {
1121         gchar *filename = NULL;
1122         MsgInfo *msginfo;
1123         gchar *src, *dest, *tmp;
1124
1125         if (!messageview->msginfo) return;
1126         msginfo = messageview->msginfo;
1127
1128         if (msginfo->subject) {
1129                 Xstrdup_a(filename, msginfo->subject, return);
1130                 subst_for_filename(filename);
1131         }
1132         dest = filesel_select_file_save(_("Save as"), filename);
1133         if (!dest) return;
1134         if (is_file_exist(dest)) {
1135                 AlertValue aval;
1136
1137                 aval = alertpanel(_("Overwrite"),
1138                                   _("Overwrite existing file?"),
1139                                   GTK_STOCK_CANCEL, GTK_STOCK_OK, NULL);
1140                 if (G_ALERTALTERNATE != aval) return;
1141         }
1142
1143         src = procmsg_get_message_file(msginfo);
1144         if (copy_file(src, dest, TRUE) < 0) {
1145                 tmp =  g_path_get_basename(dest);
1146                 alertpanel_error(_("Can't save the file '%s'."), tmp);
1147                 g_free(tmp);
1148         }
1149         g_free(dest);
1150         g_free(src);
1151 }
1152
1153 static gint messageview_delete_cb(GtkWidget *widget, GdkEventAny *event,
1154                                   MessageView *messageview)
1155 {
1156         messageview_destroy(messageview);
1157         return TRUE;
1158 }
1159
1160 static void messageview_size_allocate_cb(GtkWidget *widget,
1161                                          GtkAllocation *allocation)
1162 {
1163         g_return_if_fail(allocation != NULL);
1164
1165         prefs_common.msgwin_width  = allocation->width;
1166         prefs_common.msgwin_height = allocation->height;
1167 }
1168
1169 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
1170                         MessageView *messageview)
1171 {
1172         if (event && event->keyval == GDK_Escape && messageview->window) {
1173                 messageview_destroy(messageview);
1174                 return TRUE;
1175         }
1176
1177         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0)
1178                 return FALSE;
1179
1180         g_signal_stop_emission_by_name(G_OBJECT(widget),
1181                                         "key_press_event");
1182         mimeview_pass_key_press_event(messageview->mimeview, event);
1183         return FALSE;
1184 }
1185
1186 void messageview_toggle_view_real(MessageView *messageview)
1187 {
1188         MainWindow *mainwin = messageview->mainwin;
1189         union CompositeWin *cwin = &mainwin->win;
1190         GtkWidget *vpaned = NULL;
1191         GtkWidget *container = NULL;
1192         
1193         switch (mainwin->type) {
1194         case SEPARATE_NONE:
1195                 vpaned = cwin->sep_none.vpaned;
1196                 container = cwin->sep_none.hpaned;
1197                 break;
1198         case SEPARATE_FOLDER:
1199                 vpaned = cwin->sep_folder.vpaned;
1200                 container = mainwin->vbox_body;
1201                 break;
1202         case SEPARATE_MESSAGE:
1203         case SEPARATE_BOTH:
1204                 return;
1205         }
1206 }
1207
1208 static void return_receipt_show(NoticeView *noticeview, MsgInfo *msginfo)
1209 {
1210         gchar *addr = NULL;
1211         gboolean from_me = FALSE;
1212         if (msginfo->folder 
1213                 && (folder_has_parent_of_type(msginfo->folder, F_QUEUE)
1214                  || folder_has_parent_of_type(msginfo->folder, F_DRAFT)))
1215                 return;
1216
1217         addr = g_strdup(msginfo->from);
1218         if (addr) {
1219                 extract_address(addr);
1220                 if (account_find_from_address(addr)) {
1221                         from_me = TRUE;
1222                 }
1223                 g_free(addr);
1224         }
1225
1226         if (from_me) {
1227                 noticeview_set_text(noticeview, _("You asked for a return receipt in this message."));
1228                 noticeview_set_button_text(noticeview, NULL);
1229                 noticeview_set_button_press_callback(noticeview, NULL, NULL);
1230         } else {
1231                 noticeview_set_text(noticeview, _("This message asks for a return receipt."));
1232                 noticeview_set_button_text(noticeview, _("Send receipt"));
1233                 noticeview_set_button_press_callback(noticeview,
1234                                                      G_CALLBACK(return_receipt_send_clicked),
1235                                                      (gpointer) msginfo);
1236         }
1237         noticeview_show(noticeview);
1238 }
1239
1240 static void return_receipt_send_clicked(NoticeView *noticeview, MsgInfo *msginfo)
1241 {
1242         MsgInfo *tmpmsginfo;
1243         gchar *file;
1244
1245         file = procmsg_get_message_file_path(msginfo);
1246         if (!file) {
1247                 g_warning("can't get message file path.\n");
1248                 return;
1249         }
1250
1251         tmpmsginfo = procheader_parse_file(file, msginfo->flags, TRUE, TRUE);
1252         tmpmsginfo->folder = msginfo->folder;
1253         tmpmsginfo->msgnum = msginfo->msgnum;
1254
1255         if (disposition_notification_send(tmpmsginfo) >= 0) {
1256                 procmsg_msginfo_set_flags(msginfo, MSG_RETRCPT_SENT, 0);
1257                 noticeview_hide(noticeview);
1258         }               
1259
1260         procmsg_msginfo_free(tmpmsginfo);
1261         g_free(file);
1262 }
1263
1264 static void partial_recv_show(NoticeView *noticeview, MsgInfo *msginfo)
1265 {
1266         gchar *text = NULL;
1267         gchar *button1 = NULL;
1268         gchar *button2 = NULL;
1269         void  *button1_cb = NULL;
1270         void  *button2_cb = NULL;
1271
1272         if (!msginfo->extradata)
1273                 return;
1274         if (!partial_msg_in_uidl_list(msginfo)) {
1275                 text = g_strdup_printf(_("This message has been partially "
1276                                 "retrieved,\nand has been deleted from the "
1277                                 "server."));
1278         } else {
1279                 switch (msginfo->planned_download) {
1280                 case POP3_PARTIAL_DLOAD_UNKN:
1281                         text = g_strdup_printf(_("This message has been "
1282                                         "partially retrieved;\nit is %s."),
1283                                         to_human_readable(
1284                                                 (off_t)(msginfo->total_size)));
1285                         button1 = _("Mark for download");
1286                         button2 = _("Mark for deletion");
1287                         button1_cb = partial_recv_dload_clicked;
1288                         button2_cb = partial_recv_del_clicked;
1289                         break;
1290                 case POP3_PARTIAL_DLOAD_DLOAD:
1291                         text = g_strdup_printf(_("This message has been "
1292                                         "partially retrieved;\nit is %s and "
1293                                         "will be downloaded."),
1294                                         to_human_readable(
1295                                                 (off_t)(msginfo->total_size)));
1296                         button1 = _("Unmark");
1297                         button1_cb = partial_recv_unmark_clicked;
1298                         button2 = _("Mark for deletion");
1299                         button2_cb = partial_recv_del_clicked;
1300                         break;
1301                 case POP3_PARTIAL_DLOAD_DELE:
1302                         text = g_strdup_printf(_("This message has been "
1303                                         "partially retrieved;\nit is %s and "
1304                                         "will be deleted."),
1305                                         to_human_readable(
1306                                                 (off_t)(msginfo->total_size)));
1307                         button1 = _("Mark for download");
1308                         button1_cb = partial_recv_dload_clicked;
1309                         button2 = _("Unmark");
1310                         button2_cb = partial_recv_unmark_clicked;
1311                         break;
1312                 default:
1313                         return;
1314                 }
1315         }
1316         
1317         noticeview_set_text(noticeview, text);
1318         g_free(text);
1319         noticeview_set_button_text(noticeview, button1);
1320         noticeview_set_button_press_callback(noticeview,
1321                      G_CALLBACK(button1_cb), (gpointer) msginfo);
1322
1323         noticeview_set_2ndbutton_text(noticeview, button2);
1324         noticeview_set_2ndbutton_press_callback(noticeview,
1325                      G_CALLBACK(button2_cb), (gpointer) msginfo);
1326
1327         noticeview_show(noticeview);
1328 }
1329
1330 static void partial_recv_dload_clicked(NoticeView *noticeview, 
1331                                        MsgInfo *msginfo)
1332 {
1333         if (partial_mark_for_download(msginfo) == 0) {
1334                 partial_recv_show(noticeview, msginfo);
1335         }
1336 }
1337
1338 static void partial_recv_del_clicked(NoticeView *noticeview, 
1339                                        MsgInfo *msginfo)
1340 {
1341         if (partial_mark_for_delete(msginfo) == 0) {
1342                 partial_recv_show(noticeview, msginfo);
1343         }
1344 }
1345
1346 static void partial_recv_unmark_clicked(NoticeView *noticeview, 
1347                                        MsgInfo *msginfo)
1348 {
1349         if (partial_unmark(msginfo) == 0) {
1350                 partial_recv_show(noticeview, msginfo);
1351         }
1352 }
1353
1354 static void select_account_cb(GtkWidget *w, gpointer data)
1355 {
1356         *(gint*)data = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(w), MENU_VAL_ID));
1357 }
1358         
1359 static PrefsAccount *select_account_from_list(GList *ac_list)
1360 {
1361         GtkWidget *optmenu;
1362         GtkWidget *menu;
1363         gint account_id;
1364
1365         g_return_val_if_fail(ac_list != NULL, NULL);
1366         g_return_val_if_fail(ac_list->data != NULL, NULL);
1367         
1368         optmenu = gtk_option_menu_new();
1369         menu = gtkut_account_menu_new(ac_list, 
1370                         G_CALLBACK(select_account_cb), 
1371                         &account_id);
1372         if (!menu)
1373                 return NULL;
1374         gtk_option_menu_set_menu(GTK_OPTION_MENU(optmenu), menu);
1375         gtk_option_menu_set_history(GTK_OPTION_MENU(optmenu), 0);
1376         account_id = ((PrefsAccount *) ac_list->data)->account_id;
1377         if (alertpanel_with_widget(
1378                                 _("Return Receipt Notification"),
1379                                 _("The message was sent to several of your "
1380                                   "accounts.\n"
1381                                   "Please choose which account do you want to "
1382                                   "use for sending the receipt notification:"),
1383                                 _("_Send Notification"), _("+_Cancel"), NULL,
1384                                 FALSE, optmenu) != G_ALERTDEFAULT)
1385                 return NULL;
1386         return account_find_from_id(account_id);
1387 }
1388
1389 /* 
1390  * \brief return selected messageview text, when nothing is 
1391  *        selected and message was filtered, return complete text
1392  *
1393  * \param  pointer to Messageview 
1394  *
1395  * \return pointer to text (needs to be free'd by calling func)
1396  */
1397 gchar *messageview_get_selection(MessageView *msgview)
1398 {
1399         TextView *textview;
1400         gchar *text = NULL;
1401         GtkTextView *edit = NULL;
1402         GtkTextBuffer *textbuf;
1403         gint body_pos = 0;
1404         
1405         g_return_val_if_fail(msgview != NULL, NULL);
1406
1407         if (msgview->mimeview->type == MIMEVIEW_VIEWER) {
1408                 MimeViewer *viewer = msgview->mimeview->mimeviewer;
1409                 if (viewer && viewer->get_selection) {
1410                         text = viewer->get_selection(viewer);
1411                         if (text)
1412                                 return text;
1413                 }
1414         }
1415
1416         textview = messageview_get_current_textview(msgview);
1417         g_return_val_if_fail(textview != NULL, NULL);
1418
1419         edit = GTK_TEXT_VIEW(textview->text);
1420         g_return_val_if_fail(edit != NULL, NULL);
1421         body_pos = textview->body_pos;
1422
1423         textbuf = gtk_text_view_get_buffer(edit);
1424
1425         if (gtk_text_buffer_get_selection_bounds(textbuf, NULL, NULL))
1426                 return gtkut_text_view_get_selection(edit);
1427         else if (msgview->filtered) {
1428                 GtkTextIter start_iter, end_iter;
1429                 gtk_text_buffer_get_iter_at_offset(textbuf, &start_iter, body_pos);
1430                 gtk_text_buffer_get_end_iter(textbuf, &end_iter);
1431                 gtk_text_buffer_get_text(textbuf, &start_iter, &end_iter, FALSE);
1432         } else
1433                 text = NULL;
1434
1435         return text;
1436 }
1437
1438 static void save_as_cb(gpointer data, guint action, GtkWidget *widget)
1439 {
1440         MessageView *messageview = (MessageView *)data;
1441         messageview_save_as(messageview);
1442 }
1443
1444 static void print_cb(gpointer data, guint action, GtkWidget *widget)
1445 {
1446         MessageView *messageview = (MessageView *)data;
1447 #ifndef USE_GNOMEPRINT
1448         gchar *cmdline = NULL;
1449         gchar *p;
1450 #endif
1451
1452         if (!messageview->msginfo) return;
1453 #ifndef USE_GNOMEPRINT
1454         cmdline = input_dialog(_("Print"),
1455                                _("Enter the print command line:\n"
1456                                  "('%s' will be replaced with file name)"),
1457                                prefs_common.print_cmd);
1458         if (!cmdline) return;
1459         if (!(p = strchr(cmdline, '%')) || *(p + 1) != 's' ||
1460             strchr(p + 2, '%')) {
1461                 alertpanel_error(_("Print command line is invalid:\n'%s'"),
1462                                  cmdline);
1463                 g_free(cmdline);
1464                 return;
1465         }
1466         procmsg_print_message(messageview->msginfo, cmdline);
1467         g_free(cmdline);
1468 #else
1469         if (!messageview->mimeview 
1470         ||  !messageview->mimeview->textview
1471         ||  !messageview->mimeview->textview->text)
1472                 alertpanel_warning(_("Cannot print: the message doesn't "
1473                                      "contain text."));
1474
1475         gedit_print(
1476                 GTK_TEXT_VIEW(messageview->mimeview
1477                                 ->textview->text));
1478 #endif
1479 }
1480
1481 static void close_cb(gpointer data, guint action, GtkWidget *widget)
1482 {
1483         MessageView *messageview = (MessageView *)data;
1484         messageview_destroy(messageview);
1485 }
1486
1487 static void copy_cb(gpointer data, guint action, GtkWidget *widget)
1488 {
1489         MessageView *messageview = (MessageView *)data;
1490         messageview_copy_clipboard(messageview);
1491 }
1492
1493 static void allsel_cb(gpointer data, guint action, GtkWidget *widget)
1494 {
1495         MessageView *messageview = (MessageView *)data;
1496         messageview_select_all(messageview);
1497 }
1498
1499 static void search_cb(gpointer data, guint action, GtkWidget *widget)
1500 {
1501         MessageView *messageview = (MessageView *)data;
1502         message_search(messageview);
1503 }
1504
1505 static void set_charset_cb(gpointer data, guint action, GtkWidget *widget)
1506 {
1507         MessageView *messageview = (MessageView *)data;
1508         const gchar *charset;
1509
1510         if (GTK_CHECK_MENU_ITEM(widget)->active) {
1511                 charset = conv_get_charset_str((CharSet)action);
1512                 g_free(messageview->forced_charset);
1513                 messageview->forced_charset = g_strdup(charset);
1514                 procmime_force_charset(charset);
1515                 
1516                 messageview_show(messageview, messageview->msginfo, FALSE);
1517         }
1518 }
1519
1520 static void set_decode_cb(gpointer data, guint action, GtkWidget *widget)
1521 {
1522         MessageView *messageview = (MessageView *)data;
1523         if (GTK_CHECK_MENU_ITEM(widget)->active) {
1524                 messageview->forced_encoding = (EncodingType)action;
1525
1526                 messageview_show(messageview, messageview->msginfo, FALSE);
1527                 
1528                 debug_print("forced encoding: %d\n", action);
1529         }
1530 }
1531
1532
1533 static void view_source_cb(gpointer data, guint action, GtkWidget *widget)
1534 {
1535         MessageView *messageview = (MessageView *)data;
1536         SourceWindow *srcwin;
1537
1538         if (!messageview->msginfo) return;
1539
1540         srcwin = source_window_create();
1541         source_window_show_msg(srcwin, messageview->msginfo);
1542         source_window_show(srcwin);
1543 }
1544
1545 static void show_all_header_cb(gpointer data, guint action, GtkWidget *widget)
1546 {
1547         MessageView *messageview = (MessageView *)data;
1548         MsgInfo *msginfo = messageview->msginfo;
1549
1550         messageview->all_headers = 
1551                         GTK_CHECK_MENU_ITEM(widget)->active;
1552         if (!msginfo) return;
1553         messageview->msginfo = NULL;
1554         messageview_show(messageview, msginfo,
1555                          GTK_CHECK_MENU_ITEM(widget)->active);
1556         procmsg_msginfo_free(msginfo);
1557         main_window_set_menu_sensitive(messageview->mainwin);
1558 }
1559
1560 #define SET_CHECK_MENU_ACTIVE(path, active) \
1561 { \
1562         menuitem = gtk_item_factory_get_widget(ifactory, path); \
1563         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem), active); \
1564 }
1565
1566 static void msg_hide_quotes_cb(gpointer data, guint action, GtkWidget *widget)
1567 {
1568         MessageView *messageview = (MessageView *)data;
1569         MsgInfo *msginfo = messageview->msginfo;
1570         static gboolean updating_menu = FALSE;
1571         GtkItemFactory *ifactory = gtk_item_factory_from_widget(messageview->menubar);
1572         GtkWidget *menuitem;
1573         if (updating_menu)
1574                 return;
1575
1576         prefs_common.hide_quotes = 
1577                         GTK_CHECK_MENU_ITEM(widget)->active ? action : 0;
1578         
1579         updating_menu=TRUE;
1580         SET_CHECK_MENU_ACTIVE("/View/Quotes/Fold all", FALSE);
1581         SET_CHECK_MENU_ACTIVE("/View/Quotes/Fold from level 2", FALSE);
1582         SET_CHECK_MENU_ACTIVE("/View/Quotes/Fold from level 3", FALSE);
1583         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(widget), prefs_common.hide_quotes > 0);      
1584         updating_menu=FALSE;
1585         if (!msginfo) return;
1586         messageview->msginfo = NULL;
1587         messageview_show(messageview, msginfo,
1588                          messageview->all_headers);
1589         procmsg_msginfo_free(msginfo);
1590         
1591         /* update main window */
1592         main_window_set_menu_sensitive(messageview->mainwin);
1593         summary_redisplay_msg(messageview->mainwin->summaryview);
1594 }
1595 #undef SET_CHECK_MENU_ACTIVE
1596
1597 static void compose_cb(gpointer data, guint action, GtkWidget *widget)
1598 {
1599         MessageView *messageview = (MessageView *)data;
1600         PrefsAccount *ac = NULL;
1601         FolderItem *item = NULL;
1602
1603         if (messageview->msginfo)
1604                 item = messageview->msginfo->folder;
1605
1606         if (item) {
1607                 ac = account_find_from_item(item);
1608                 if (ac && ac->protocol == A_NNTP &&
1609                     item->stype == F_NEWS) {
1610                         compose_new(ac, item->path, NULL);
1611                         return;
1612                 }
1613         }
1614
1615         compose_new(ac, NULL, NULL);
1616 }
1617
1618 static void reply_cb(gpointer data, guint action, GtkWidget *widget)
1619 {
1620         MessageView *messageview = (MessageView *)data;
1621         GSList *msginfo_list = NULL;
1622
1623         g_return_if_fail(messageview->msginfo);
1624
1625         msginfo_list = g_slist_append(msginfo_list, messageview->msginfo);
1626         compose_reply_from_messageview(messageview, msginfo_list, action);
1627         g_slist_free(msginfo_list);
1628 }
1629
1630 static void addressbook_open_cb(gpointer data, guint action, GtkWidget *widget)
1631 {
1632         addressbook_open(NULL);
1633 }
1634
1635 static void add_address_cb(gpointer data, guint action, GtkWidget *widget)
1636 {
1637         MessageView *messageview = (MessageView *)data;
1638         MsgInfo *msginfo;
1639         gchar *from;
1640
1641         if (!messageview->msginfo) return;
1642         msginfo = messageview->msginfo;
1643         Xstrdup_a(from, msginfo->from, return);
1644         eliminate_address_comment(from);
1645         extract_address(from);
1646         addressbook_add_contact(msginfo->fromname, from, NULL);
1647 }
1648
1649 static void create_filter_cb(gpointer data, guint action, GtkWidget *widget)
1650 {
1651         MessageView *messageview = (MessageView *)data;
1652         FolderItem * item;
1653         
1654         if (!messageview->msginfo) return;
1655         
1656         item = messageview->msginfo->folder;
1657         summary_msginfo_filter_open(item,  messageview->msginfo,
1658                                     (PrefsFilterType)action, 0);
1659 }
1660
1661 static void create_processing_cb(gpointer data, guint action,
1662                                  GtkWidget *widget)
1663 {
1664         MessageView *messageview = (MessageView *)data;
1665         FolderItem * item;
1666         
1667         if (!messageview->msginfo) return;
1668         
1669         item = messageview->msginfo->folder;
1670         summary_msginfo_filter_open(item,  messageview->msginfo,
1671                                     (PrefsFilterType)action, 1);
1672 }
1673
1674 static void about_cb(gpointer data, guint action, GtkWidget *widget)
1675 {
1676         about_show();
1677 }
1678
1679 static gboolean messageview_update_msg(gpointer source, gpointer data)
1680 {
1681         MsgInfoUpdate *msginfo_update = (MsgInfoUpdate *) source;
1682         MessageView *messageview = (MessageView *)data;
1683
1684         if (messageview->msginfo != msginfo_update->msginfo)
1685                 return FALSE;
1686
1687         if (msginfo_update->flags & MSGINFO_UPDATE_DELETED) {
1688                 messageview_clear(messageview);
1689                 messageview_update(messageview);
1690         }
1691
1692         return FALSE;
1693 }
1694
1695 void messageview_set_menu_sensitive(MessageView *messageview)
1696 {
1697         GtkItemFactory *ifactory;
1698         GtkWidget *menuitem = NULL;
1699
1700         if (!messageview || !messageview->new_window) 
1701                 return;
1702         /* do some smart things */
1703         if (!messageview->menubar) return;
1704         ifactory = gtk_item_factory_from_widget(messageview->menubar);
1705         if (!ifactory) return;
1706         if (messageview->mainwin->type == SEPARATE_MESSAGE) {
1707                 menuitem = gtk_item_factory_get_widget(ifactory, "/View/All headers");
1708                 gtk_check_menu_item_set_active
1709                         (GTK_CHECK_MENU_ITEM(menuitem),
1710                          messageview->mimeview->textview->show_all_headers);
1711         }
1712         if (prefs_common.hide_quotes) {
1713                 menuitem = NULL;
1714                 if (prefs_common.hide_quotes == 1)
1715                         menuitem = gtk_item_factory_get_widget(ifactory, 
1716                                         "/View/Quotes/Fold all");
1717                 if (prefs_common.hide_quotes == 2)
1718                         menuitem = gtk_item_factory_get_widget(ifactory, 
1719                                         "/View/Quotes/Fold from level 2");
1720                 if (prefs_common.hide_quotes == 3)
1721                         menuitem = gtk_item_factory_get_widget(ifactory, 
1722                                         "/View/Quotes/Fold from level 3");
1723                 gtk_check_menu_item_set_active
1724                         (GTK_CHECK_MENU_ITEM(menuitem),
1725                          TRUE);
1726         }
1727 }
1728
1729 void messageview_learn (MessageView *msgview, gboolean is_spam)
1730 {
1731         if (is_spam) {
1732                 if (procmsg_spam_learner_learn(msgview->msginfo, NULL, TRUE) == 0)
1733                         procmsg_msginfo_set_flags(msgview->msginfo, MSG_SPAM, 0);
1734                 else
1735                         log_error(_("An error happened while learning.\n"));
1736                 
1737         } else {
1738                 if (procmsg_spam_learner_learn(msgview->msginfo, NULL, FALSE) == 0)
1739                         procmsg_msginfo_unset_flags(msgview->msginfo, MSG_SPAM, 0);
1740                 else
1741                         log_error(_("An error happened while learning.\n"));
1742         }
1743         if (msgview->toolbar)
1744                 toolbar_set_learn_button
1745                         (msgview->toolbar,
1746                          MSG_IS_SPAM(msgview->msginfo->flags)?LEARN_HAM:LEARN_SPAM);
1747         else
1748                 toolbar_set_learn_button
1749                         (msgview->mainwin->toolbar,
1750                          MSG_IS_SPAM(msgview->msginfo->flags)?LEARN_HAM:LEARN_SPAM);
1751 }