2007-01-03 [paul] 2.6.1cvs101
[claws.git] / src / messageview.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail team
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 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 static MessageView *messageview_create_with_new_window_visible(MainWindow *mainwin, gboolean show)
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), _("Claws Mail - 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         if (show) {
475                 gtk_widget_grab_focus(msgview->mimeview->textview->text);
476                 gtk_widget_show(window);
477         } else {
478                 gtk_widget_realize(window);
479         }
480
481         msgview->new_window = TRUE;
482         msgview->window = window;
483         msgview->visible = TRUE;
484
485         toolbar_set_style(msgview->toolbar->toolbar, msgview->handlebox, 
486                           prefs_common.toolbar_style);
487         messageview_init(msgview);
488
489         return msgview;
490 }
491
492 MessageView *messageview_create_with_new_window(MainWindow *mainwin)
493 {
494         return messageview_create_with_new_window_visible(mainwin, TRUE);
495 }
496 void messageview_init(MessageView *messageview)
497 {
498         headerview_init(messageview->headerview);
499         mimeview_init(messageview->mimeview);
500         /*messageview_set_font(messageview);*/
501
502         noticeview_hide(messageview->noticeview);
503 }
504
505 static void notification_convert_header(gchar *dest, gint len, 
506                                         const gchar *src_,
507                                         gint header_len)
508 {
509         char *src;
510
511         g_return_if_fail(src_ != NULL);
512         g_return_if_fail(dest != NULL);
513
514         if (len < 1) return;
515
516         Xstrndup_a(src, src_, len, return);
517
518         remove_return(src);
519
520         if (is_ascii_str(src)) {
521                 strncpy2(dest, src, len);
522                 dest[len - 1] = '\0';
523                 return;
524         } else
525                 conv_encode_header(dest, len, src, header_len, FALSE);
526 }
527
528 static gint disposition_notification_send(MsgInfo *msginfo)
529 {
530         gchar buf[BUFFSIZE];
531         gchar tmp[MAXPATHLEN + 1];
532         FILE *fp;
533         GList *ac_list;
534         PrefsAccount *account = NULL;
535         gint ok;
536         gchar *to;
537         FolderItem *queue, *outbox;
538         gint num;
539         gchar *path;
540         gchar *addr;
541         gchar *addrp;
542         gchar *foo = NULL;
543         gboolean queued_removed = FALSE;
544         
545         if (!msginfo->extradata)
546                 return -1;
547         if (!msginfo->extradata->returnreceiptto && 
548             !msginfo->extradata->dispositionnotificationto) 
549                 return -1;
550
551         /* RFC2298: Test for Return-Path */
552         if (msginfo->extradata->dispositionnotificationto)
553                 to = msginfo->extradata->dispositionnotificationto;
554         else
555                 to = msginfo->extradata->returnreceiptto;
556
557         ok = procheader_get_header_from_msginfo(msginfo, buf, sizeof(buf),
558                                 "Return-Path:");
559         if (ok == 0) {
560                 gchar *to_addr = g_strdup(to);
561                 extract_address(to_addr);
562                 extract_address(buf);
563                 ok = strcasecmp(to_addr, buf);
564                 g_free(to_addr);
565         } else {
566                 strncpy(buf, _("<No Return-Path found>"), 
567                                 sizeof(buf));
568         }
569         
570         if (ok != 0) {
571                 AlertValue val;
572                 gchar *message;
573                 message = g_strdup_printf(
574                   _("The notification address to which the return receipt is\n"
575                     "to be sent does not correspond to the return path:\n"
576                     "Notification address: %s\n"
577                     "Return path: %s\n"
578                     "It is advised to not to send the return receipt."),
579                   to, buf);
580                 val = alertpanel_full(_("Warning"), message,
581                                 _("_Don't Send"), _("_Send"), NULL, FALSE,
582                                 NULL, ALERT_WARNING, G_ALERTDEFAULT);
583                 g_free(message);                                
584                 if (val != G_ALERTALTERNATE)
585                         return -1;
586         }
587
588         ac_list = account_find_all_from_address(NULL, msginfo->to);
589         ac_list = account_find_all_from_address(ac_list, msginfo->cc);
590
591         if (ac_list == NULL) {
592                 AlertValue val = 
593                 alertpanel_full(_("Warning"),
594                   _("This message is asking for a return receipt notification\n"
595                     "but according to its 'To:' and 'CC:' headers it was not\n"
596                     "officially addressed to you.\n"
597                     "It is advised to not to send the return receipt."),
598                   _("_Don't Send"), _("_Send"), NULL, FALSE,
599                   NULL, ALERT_WARNING, G_ALERTDEFAULT);
600                 if (val != G_ALERTALTERNATE)
601                         return -1;
602         }
603
604         if (g_list_length(ac_list) > 1) {
605                 if ((account = select_account_from_list(ac_list)) == NULL)
606                         return -1;
607         }
608         else if (ac_list != NULL)
609                 account = (PrefsAccount *) ac_list->data;
610         g_list_free(ac_list);
611
612         if (account == NULL)
613                 account = account_get_default();
614         if (!account || account->protocol == A_NNTP) {
615                 alertpanel_error(_("Account for sending mail is not specified.\n"
616                                    "Please select a mail account before sending."));
617                 return -1;
618         }
619
620         /* write to temporary file */
621         g_snprintf(tmp, sizeof(tmp), "%s%ctmpmsg%p",
622                    get_rc_dir(), G_DIR_SEPARATOR, msginfo);
623
624         if ((fp = g_fopen(tmp, "wb")) == NULL) {
625                 FILE_OP_ERROR(tmp, "fopen");
626                 return -1;
627         }
628
629         /* chmod for security */
630         if (change_file_mode_rw(fp, tmp) < 0) {
631                 FILE_OP_ERROR(tmp, "chmod");
632                 g_warning("can't change file mode\n");
633         }
634         
635         addr = g_strdup(to);
636         
637         extract_address(addr);
638         addrp = addr;
639         
640         /* write queue headers */
641         fprintf(fp, "AF:\n");
642         fprintf(fp, "NF:0\n");
643         fprintf(fp, "PS:10\n");
644         fprintf(fp, "SRH:1\n");
645         fprintf(fp, "SFN:\n");
646         fprintf(fp, "DSR:\n");
647         fprintf(fp, "MID:\n");
648         fprintf(fp, "CFG:\n");
649         fprintf(fp, "PT:0\n");
650         fprintf(fp, "S:%s\n", account->address);
651         fprintf(fp, "RQ:\n");
652         if (account->smtp_server)
653                 fprintf(fp, "SSV:%s\n", account->smtp_server);
654         else
655                 fprintf(fp, "SSV:\n");
656         fprintf(fp, "SSH:\n");
657         fprintf(fp, "R:<%s>\n", addrp);
658         
659         g_free(addrp);
660         
661         /* check whether we need to save the message */
662         outbox = account_get_special_folder(account, F_OUTBOX); 
663         if (folder_get_default_outbox() == outbox && !prefs_common.savemsg)
664                 outbox = NULL;
665         if (outbox) {
666                 path = folder_item_get_identifier(outbox);
667                 fprintf(fp, "SCF:%s\n", path);
668                 g_free(path);
669         }               
670
671         fprintf(fp, "X-Claws-End-Special-Headers: 1\n");
672         
673         /* Date */
674         get_rfc822_date(buf, sizeof(buf));
675         fprintf(fp, "Date: %s\n", buf);
676
677         /* From */
678         if (account->name && *account->name) {
679                 notification_convert_header
680                         (buf, sizeof(buf), account->name,
681                          strlen("From: "));
682                 fprintf(fp, "From: %s <%s>\n", buf, account->address);
683         } else
684                 fprintf(fp, "From: %s\n", account->address);
685
686         fprintf(fp, "To: %s\n", to);
687
688         /* Subject */
689         notification_convert_header(buf, sizeof(buf), msginfo->subject,
690                                     strlen("Subject: "));
691         fprintf(fp, "Subject: Disposition notification: %s\n", buf);
692
693         /* Message ID */
694         generate_msgid(buf, sizeof(buf));
695         fprintf(fp, "Message-ID: <%s>\n", buf);
696
697         if (fclose(fp) == EOF) {
698                 FILE_OP_ERROR(tmp, "fclose");
699                 g_unlink(tmp);
700                 return -1;
701         }
702
703         /* put it in queue */
704         queue = account_get_special_folder(account, F_QUEUE);
705         if (!queue) queue = folder_get_default_queue();
706         if (!queue) {
707                 g_warning("can't find queue folder\n");
708                 g_unlink(tmp);
709                 return -1;
710         }
711         folder_item_scan(queue);
712         if ((num = folder_item_add_msg(queue, tmp, NULL, TRUE)) < 0) {
713                 g_warning("can't queue the message\n");
714                 g_unlink(tmp);
715                 return -1;
716         }
717                 
718         if (prefs_common.work_offline && 
719             !inc_offline_should_override(
720                 _("Claws Mail needs network access in order "
721                   "to send this email.")))
722                 return 0;
723
724         /* send it */
725         path = folder_item_fetch_msg(queue, num);
726         ok = procmsg_send_message_queue(path, &foo, queue, num, &queued_removed);
727         g_free(path);
728         g_free(foo);
729         if (ok == 0 && !queued_removed)
730                 folder_item_remove_msg(queue, num);
731
732         return ok;
733 }
734
735 GList *messageview_get_window_list(void)
736 {
737         return messageview_list;
738 }
739
740 static gboolean find_encrypted_func(GNode *node, gpointer data)
741 {
742         MimeInfo *mimeinfo = (MimeInfo *) node->data;
743         MimeInfo **encinfo = (MimeInfo **) data;
744         
745         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
746                 *encinfo = mimeinfo;
747                 return TRUE;
748         }
749         
750         return FALSE;
751 }
752
753 static MimeInfo *find_encrypted_part(MimeInfo *rootinfo)
754 {
755         MimeInfo *encinfo = NULL;
756
757         g_node_traverse(rootinfo->node, G_IN_ORDER, G_TRAVERSE_ALL, -1,
758                 find_encrypted_func, &encinfo);
759         
760         return encinfo;
761 }
762
763 gint messageview_show(MessageView *messageview, MsgInfo *msginfo,
764                       gboolean all_headers)
765 {
766         gchar *file;
767         MimeInfo *mimeinfo, *encinfo;
768         gchar *subject = NULL;
769         g_return_val_if_fail(msginfo != NULL, -1);
770
771         if (messageview->mimeview->textview &&
772             messageview->mimeview->textview->loading) {
773                 messageview->mimeview->textview->stop_loading = TRUE;
774                 return 0;
775         }
776         if (messageview->toolbar)
777                 toolbar_set_learn_button
778                         (messageview->toolbar,
779                          MSG_IS_SPAM(msginfo->flags)?LEARN_HAM:LEARN_SPAM);
780         else
781                 toolbar_set_learn_button
782                         (messageview->mainwin->toolbar,
783                          MSG_IS_SPAM(msginfo->flags)?LEARN_HAM:LEARN_SPAM);
784
785         if (messageview->toolbar) {
786                 if (messageview->toolbar->learn_ham_btn)
787                         gtk_widget_set_sensitive(
788                                 messageview->toolbar->learn_ham_btn, 
789                                 procmsg_spam_can_learn());
790                 if (messageview->toolbar->learn_spam_btn)
791                         gtk_widget_set_sensitive(
792                                 messageview->toolbar->learn_spam_btn, 
793                                 procmsg_spam_can_learn());
794         }
795         messageview->updating = TRUE;
796         mimeinfo = procmime_scan_message(msginfo);
797         messageview->updating = FALSE;
798         
799         if (messageview->deferred_destroy) {
800                 messageview_destroy(messageview);
801                 return 0;
802         }
803
804         if (!mimeinfo) {
805                 textview_show_error(messageview->mimeview->textview);
806                 return -1;
807         }
808
809         while ((encinfo = find_encrypted_part(mimeinfo)) != NULL) {
810                 debug_print("decrypting message part\n");
811                 if (privacy_mimeinfo_decrypt(encinfo) < 0) {
812                         alertpanel_error(_("Couldn't decrypt: %s"),
813                                 privacy_get_error());
814                         break;
815                 }
816         }
817         
818         messageview->updating = TRUE;
819         file = procmsg_get_message_file_path(msginfo);
820         messageview->updating = FALSE;
821         
822         if (messageview->deferred_destroy) {
823                 g_free(file);
824                 messageview_destroy(messageview);
825                 return 0;
826         }
827
828         if (!file) {
829                 g_warning("can't get message file path.\n");
830                 procmime_mimeinfo_free_all(mimeinfo);
831                 textview_show_error(messageview->mimeview->textview);
832                 return -1;
833         }
834         
835         if (messageview->msginfo != msginfo) {
836                 procmsg_msginfo_free(messageview->msginfo);
837                 messageview->msginfo = NULL;
838                 messageview_set_menu_sensitive(messageview);
839                 messageview->msginfo = procmsg_msginfo_get_full_info(msginfo);
840                 if (!messageview->msginfo)
841                         messageview->msginfo = procmsg_msginfo_copy(msginfo);
842         } else {
843                 messageview->msginfo = NULL;
844                 messageview_set_menu_sensitive(messageview);
845                 messageview->msginfo = msginfo;
846         }
847         headerview_show(messageview->headerview, messageview->msginfo);
848
849         messageview_set_position(messageview, 0);
850
851         textview_set_all_headers(messageview->mimeview->textview, 
852                         messageview->all_headers);
853
854         mimeview_show_message(messageview->mimeview, mimeinfo, file);
855         
856         if (messageview->window)
857                 gtk_window_set_title(GTK_WINDOW(messageview->window), 
858                                 _("Claws Mail - Message View"));
859         if (messageview->window && msginfo->subject) {
860                 subject = g_strdup(msginfo->subject);
861                 if (!g_utf8_validate(subject, -1, NULL)) {
862                         g_free(subject);
863                         subject = g_malloc(strlen(msginfo->subject)*2 +1);
864                         conv_localetodisp(subject, strlen(msginfo->subject)*2 +1, 
865                                 msginfo->subject);
866                 }
867                 if (g_utf8_validate(subject, -1, NULL))
868                         gtk_window_set_title(GTK_WINDOW(messageview->window), 
869                                 subject);
870                 g_free(subject);
871         }
872
873         main_create_mailing_list_menu(messageview->mainwin, messageview->msginfo);
874
875         if (messageview->msginfo->extradata
876             && messageview->msginfo->extradata->partial_recv)
877                 partial_recv_show(messageview->noticeview, 
878                                   messageview->msginfo);
879         else if (messageview->msginfo->extradata &&
880             (messageview->msginfo->extradata->dispositionnotificationto || 
881              messageview->msginfo->extradata->returnreceiptto) &&
882             !MSG_IS_RETRCPT_SENT(messageview->msginfo->flags) &&
883             !prefs_common.never_send_retrcpt)
884                 return_receipt_show(messageview->noticeview, 
885                                     messageview->msginfo);
886         else 
887                 noticeview_hide(messageview->noticeview);
888
889         mimeinfo = procmime_mimeinfo_next(mimeinfo);
890         if (mimeinfo && (mimeinfo->type != MIMETYPE_TEXT || 
891             strcasecmp(mimeinfo->subtype, "plain"))) {
892                 if (strcasecmp(mimeinfo->subtype, "html"))
893                         mimeview_show_part(messageview->mimeview,mimeinfo);
894                 else if (prefs_common.invoke_plugin_on_html)
895                         mimeview_select_mimepart_icon(messageview->mimeview,mimeinfo);
896         }
897
898         g_free(file);
899
900         return 0;
901 }
902
903 void messageview_reflect_prefs_pixmap_theme(void)
904 {
905         GList *cur;
906         MessageView *msgview;
907
908         for (cur = msgview_list; cur != NULL; cur = cur->next) {
909                 msgview = (MessageView*)cur->data;
910                 toolbar_update(TOOLBAR_MSGVIEW, msgview);
911                 mimeview_update(msgview->mimeview);
912         }
913 }
914
915 void messageview_clear(MessageView *messageview)
916 {
917         procmsg_msginfo_free(messageview->msginfo);
918         messageview->msginfo = NULL;
919         messageview->filtered = FALSE;
920         mimeview_clear(messageview->mimeview);
921         headerview_clear(messageview->headerview);
922         noticeview_hide(messageview->noticeview);
923 }
924
925 void messageview_destroy(MessageView *messageview)
926 {
927         debug_print("destroy messageview\n");
928         messageview_list = g_list_remove(messageview_list, messageview);
929
930         if (!messageview->deferred_destroy) {
931                 hooks_unregister_hook(MSGINFO_UPDATE_HOOKLIST,
932                               messageview->msginfo_update_callback_id);
933         }
934
935         if (messageview->updating) {
936                 debug_print("uh oh, better not touch that now (fetching)\n");
937                 messageview->deferred_destroy = TRUE;
938                 gtk_widget_hide(messageview->window);
939                 return;
940         }
941         
942         if (messageview->mimeview->textview
943         &&  messageview->mimeview->textview->loading) {
944                 debug_print("uh oh, better not touch that now (loading text)\n");
945                 messageview->deferred_destroy = TRUE;
946                 messageview->mimeview->textview->stop_loading = TRUE;
947                 gtk_widget_hide(messageview->window);
948                 return;
949         }
950
951         headerview_destroy(messageview->headerview);
952         mimeview_destroy(messageview->mimeview);
953         noticeview_destroy(messageview->noticeview);
954
955         procmsg_msginfo_free(messageview->msginfo);
956         toolbar_clear_list(TOOLBAR_MSGVIEW);
957         if (messageview->toolbar) {
958                 toolbar_destroy(messageview->toolbar);
959                 g_free(messageview->toolbar);
960         }
961         
962         msgview_list = g_list_remove(msgview_list, messageview); 
963
964         if (messageview->window)
965                 gtk_widget_destroy(messageview->window);
966         g_free(messageview);
967 }
968
969 void messageview_delete(MessageView *msgview)
970 {
971         MsgInfo *msginfo = NULL;
972         FolderItem *trash = NULL;
973         PrefsAccount *ac = NULL;
974
975         if (msgview->msginfo && msgview->mainwin && msgview->mainwin->summaryview)
976                 msginfo = summary_get_selected_msg(msgview->mainwin->summaryview);
977         
978         /* need a procmsg_msginfo_equal() */
979         if (msginfo && msgview->msginfo && 
980             msginfo->msgnum == msgview->msginfo->msgnum && 
981             msginfo->folder == msgview->msginfo->folder) {
982                 summary_delete_trash(msgview->mainwin->summaryview);
983         } else {                
984                 msginfo = msgview->msginfo;
985
986                 g_return_if_fail(msginfo != NULL);
987
988                 /* to get the trash folder, we have to choose either
989                  * the folder's or account's trash default - we prefer
990                  * the one in the account prefs */
991                 if (msginfo->folder) {
992                         if (NULL != (ac = account_find_from_item(msginfo->folder)))
993                                 trash = account_get_special_folder(ac, F_TRASH);
994                         if (!trash && msginfo->folder->folder)  
995                                 trash = msginfo->folder->folder->trash;
996                         /* if still not found, use the default */
997                         if (!trash) 
998                                 trash = folder_get_default_trash();
999                 }       
1000
1001                 g_return_if_fail(trash != NULL);
1002
1003                 if (prefs_common.immediate_exec)
1004                         /* TODO: Delete from trash */
1005                         folder_item_move_msg(trash, msginfo);
1006                 else {
1007                         procmsg_msginfo_set_to_folder(msginfo, trash);
1008                         procmsg_msginfo_set_flags(msginfo, MSG_DELETED, 0);
1009                         /* NOTE: does not update to next message in summaryview */
1010                 }
1011         }               
1012 }
1013
1014 /* 
1015  * \brief update messageview with currently selected message in summaryview
1016  *        leave unchanged if summaryview is empty
1017  * \param pointer to MessageView
1018  */     
1019 static void messageview_update(MessageView *msgview)
1020 {
1021         SummaryView *summaryview = (SummaryView*)msgview->mainwin->summaryview;
1022
1023         g_return_if_fail(summaryview != NULL);
1024         
1025         if (summaryview->selected) {
1026                 MsgInfo *msginfo = summary_get_selected_msg(summaryview);
1027                 if (msginfo == NULL)
1028                         return;
1029
1030                 messageview_show(msgview, msginfo, 
1031                                  msgview->all_headers);
1032         } 
1033 }
1034
1035 void messageview_quote_color_set(void)
1036 {
1037 }
1038
1039 void messageview_set_font(MessageView *messageview)
1040 {
1041 }
1042
1043 TextView *messageview_get_current_textview(MessageView *messageview)
1044 {
1045         TextView *text = NULL;
1046
1047         text = messageview->mimeview->textview;
1048
1049         return text;
1050 }
1051
1052 MimeInfo *messageview_get_selected_mime_part(MessageView *messageview)
1053 {
1054         return mimeview_get_selected_part(messageview->mimeview);
1055 }
1056
1057 void messageview_copy_clipboard(MessageView *messageview)
1058 {
1059         TextView *text;
1060
1061         text = messageview_get_current_textview(messageview);
1062         if (text) {
1063                 GtkTextView *textview = GTK_TEXT_VIEW(text->text);
1064                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(textview);
1065                 GtkClipboard *clipboard
1066                         = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
1067
1068                 gtk_text_buffer_copy_clipboard(buffer, clipboard);
1069         }
1070 }
1071
1072 void messageview_select_all(MessageView *messageview)
1073 {
1074         TextView *text;
1075
1076         text = messageview_get_current_textview(messageview);
1077         if (text) {
1078                 GtkTextView *textview = GTK_TEXT_VIEW(text->text);
1079                 GtkTextBuffer *buffer;
1080                 GtkTextIter start, end;
1081
1082                 buffer = gtk_text_view_get_buffer(textview);
1083                 gtk_text_buffer_get_bounds(buffer, &start, &end);
1084                 gtk_text_buffer_select_range(buffer, &start, &end);
1085         }
1086 }
1087
1088 void messageview_set_position(MessageView *messageview, gint pos)
1089 {
1090         TextView *text;
1091
1092         text = messageview_get_current_textview(messageview);
1093         if (text)
1094                 textview_set_position(text, pos);
1095 }
1096
1097 gboolean messageview_search_string(MessageView *messageview, const gchar *str,
1098                                    gboolean case_sens)
1099 {
1100         TextView *text;
1101
1102         text = messageview_get_current_textview(messageview);
1103         if (text)
1104                 return textview_search_string(text, str, case_sens);
1105         return FALSE;
1106 }
1107
1108 gboolean messageview_search_string_backward(MessageView *messageview,
1109                                             const gchar *str,
1110                                             gboolean case_sens)
1111 {
1112         TextView *text;
1113
1114         text = messageview_get_current_textview(messageview);
1115         if (text)       
1116                 return textview_search_string_backward(text,
1117                                                        str, case_sens);
1118         return FALSE;
1119 }
1120
1121 gboolean messageview_is_visible(MessageView *messageview)
1122 {
1123         if (messageview == NULL)
1124                 return FALSE;
1125         return messageview->visible;
1126 }
1127
1128 void messageview_save_as(MessageView *messageview)
1129 {
1130         gchar *filename = NULL;
1131         MsgInfo *msginfo;
1132         gchar *src, *dest, *tmp;
1133
1134         if (!messageview->msginfo) return;
1135         msginfo = messageview->msginfo;
1136
1137         if (msginfo->subject) {
1138                 Xstrdup_a(filename, msginfo->subject, return);
1139                 subst_for_filename(filename);
1140         }
1141         dest = filesel_select_file_save(_("Save as"), filename);
1142         if (!dest) return;
1143         if (is_file_exist(dest)) {
1144                 AlertValue aval;
1145
1146                 aval = alertpanel(_("Overwrite"),
1147                                   _("Overwrite existing file?"),
1148                                   GTK_STOCK_CANCEL, GTK_STOCK_OK, NULL);
1149                 if (G_ALERTALTERNATE != aval) return;
1150         }
1151
1152         src = procmsg_get_message_file(msginfo);
1153         if (copy_file(src, dest, TRUE) < 0) {
1154                 tmp =  g_path_get_basename(dest);
1155                 alertpanel_error(_("Couldn't save the file '%s'."), tmp);
1156                 g_free(tmp);
1157         }
1158         g_free(dest);
1159         g_free(src);
1160 }
1161
1162 static gint messageview_delete_cb(GtkWidget *widget, GdkEventAny *event,
1163                                   MessageView *messageview)
1164 {
1165         messageview_destroy(messageview);
1166         return TRUE;
1167 }
1168
1169 static void messageview_size_allocate_cb(GtkWidget *widget,
1170                                          GtkAllocation *allocation)
1171 {
1172         g_return_if_fail(allocation != NULL);
1173
1174         prefs_common.msgwin_width  = allocation->width;
1175         prefs_common.msgwin_height = allocation->height;
1176 }
1177
1178 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
1179                         MessageView *messageview)
1180 {
1181         if (event && event->keyval == GDK_Escape && messageview->window) {
1182                 messageview_destroy(messageview);
1183                 return TRUE;
1184         }
1185
1186         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0)
1187                 return FALSE;
1188
1189         g_signal_stop_emission_by_name(G_OBJECT(widget),
1190                                         "key_press_event");
1191         mimeview_pass_key_press_event(messageview->mimeview, event);
1192         return FALSE;
1193 }
1194
1195 void messageview_toggle_view_real(MessageView *messageview)
1196 {
1197         MainWindow *mainwin = messageview->mainwin;
1198         union CompositeWin *cwin = &mainwin->win;
1199         GtkWidget *vpaned = NULL;
1200         GtkWidget *container = NULL;
1201         
1202         switch (mainwin->type) {
1203         case SEPARATE_NONE:
1204                 vpaned = cwin->sep_none.vpaned;
1205                 container = cwin->sep_none.hpaned;
1206                 break;
1207         case SEPARATE_FOLDER:
1208                 vpaned = cwin->sep_folder.vpaned;
1209                 container = mainwin->vbox_body;
1210                 break;
1211         case SEPARATE_MESSAGE:
1212         case SEPARATE_BOTH:
1213                 return;
1214         }
1215 }
1216
1217 static void return_receipt_show(NoticeView *noticeview, MsgInfo *msginfo)
1218 {
1219         gchar *addr = NULL;
1220         gboolean from_me = FALSE;
1221         if (msginfo->folder 
1222                 && (folder_has_parent_of_type(msginfo->folder, F_QUEUE)
1223                  || folder_has_parent_of_type(msginfo->folder, F_DRAFT)))
1224                 return;
1225
1226         addr = g_strdup(msginfo->from);
1227         if (addr) {
1228                 extract_address(addr);
1229                 if (account_find_from_address(addr)) {
1230                         from_me = TRUE;
1231                 }
1232                 g_free(addr);
1233         }
1234
1235         if (from_me) {
1236                 noticeview_set_text(noticeview, _("You asked for a return receipt in this message."));
1237                 noticeview_set_button_text(noticeview, NULL);
1238                 noticeview_set_button_press_callback(noticeview, NULL, NULL);
1239         } else {
1240                 noticeview_set_text(noticeview, _("This message asks for a return receipt."));
1241                 noticeview_set_button_text(noticeview, _("Send receipt"));
1242                 noticeview_set_button_press_callback(noticeview,
1243                                                      G_CALLBACK(return_receipt_send_clicked),
1244                                                      (gpointer) msginfo);
1245         }
1246         noticeview_show(noticeview);
1247 }
1248
1249 static void return_receipt_send_clicked(NoticeView *noticeview, MsgInfo *msginfo)
1250 {
1251         MsgInfo *tmpmsginfo;
1252         gchar *file;
1253
1254         file = procmsg_get_message_file_path(msginfo);
1255         if (!file) {
1256                 g_warning("can't get message file path.\n");
1257                 return;
1258         }
1259
1260         tmpmsginfo = procheader_parse_file(file, msginfo->flags, TRUE, TRUE);
1261         tmpmsginfo->folder = msginfo->folder;
1262         tmpmsginfo->msgnum = msginfo->msgnum;
1263
1264         if (disposition_notification_send(tmpmsginfo) >= 0) {
1265                 procmsg_msginfo_set_flags(msginfo, MSG_RETRCPT_SENT, 0);
1266                 noticeview_hide(noticeview);
1267         }               
1268
1269         procmsg_msginfo_free(tmpmsginfo);
1270         g_free(file);
1271 }
1272
1273 static void partial_recv_show(NoticeView *noticeview, MsgInfo *msginfo)
1274 {
1275         gchar *text = NULL;
1276         gchar *button1 = NULL;
1277         gchar *button2 = NULL;
1278         void  *button1_cb = NULL;
1279         void  *button2_cb = NULL;
1280
1281         if (!msginfo->extradata)
1282                 return;
1283         if (!partial_msg_in_uidl_list(msginfo)) {
1284                 text = g_strdup_printf(_("This message has been partially "
1285                                 "retrieved,\nand has been deleted from the "
1286                                 "server."));
1287         } else {
1288                 switch (msginfo->planned_download) {
1289                 case POP3_PARTIAL_DLOAD_UNKN:
1290                         text = g_strdup_printf(_("This message has been "
1291                                         "partially retrieved;\nit is %s."),
1292                                         to_human_readable(
1293                                                 (off_t)(msginfo->total_size)));
1294                         button1 = _("Mark for download");
1295                         button2 = _("Mark for deletion");
1296                         button1_cb = partial_recv_dload_clicked;
1297                         button2_cb = partial_recv_del_clicked;
1298                         break;
1299                 case POP3_PARTIAL_DLOAD_DLOAD:
1300                         text = g_strdup_printf(_("This message has been "
1301                                         "partially retrieved;\nit is %s and "
1302                                         "will be downloaded."),
1303                                         to_human_readable(
1304                                                 (off_t)(msginfo->total_size)));
1305                         button1 = _("Unmark");
1306                         button1_cb = partial_recv_unmark_clicked;
1307                         button2 = _("Mark for deletion");
1308                         button2_cb = partial_recv_del_clicked;
1309                         break;
1310                 case POP3_PARTIAL_DLOAD_DELE:
1311                         text = g_strdup_printf(_("This message has been "
1312                                         "partially retrieved;\nit is %s and "
1313                                         "will be deleted."),
1314                                         to_human_readable(
1315                                                 (off_t)(msginfo->total_size)));
1316                         button1 = _("Mark for download");
1317                         button1_cb = partial_recv_dload_clicked;
1318                         button2 = _("Unmark");
1319                         button2_cb = partial_recv_unmark_clicked;
1320                         break;
1321                 default:
1322                         return;
1323                 }
1324         }
1325         
1326         noticeview_set_text(noticeview, text);
1327         g_free(text);
1328         noticeview_set_button_text(noticeview, button1);
1329         noticeview_set_button_press_callback(noticeview,
1330                      G_CALLBACK(button1_cb), (gpointer) msginfo);
1331
1332         noticeview_set_2ndbutton_text(noticeview, button2);
1333         noticeview_set_2ndbutton_press_callback(noticeview,
1334                      G_CALLBACK(button2_cb), (gpointer) msginfo);
1335
1336         noticeview_show(noticeview);
1337 }
1338
1339 static void partial_recv_dload_clicked(NoticeView *noticeview, 
1340                                        MsgInfo *msginfo)
1341 {
1342         if (partial_mark_for_download(msginfo) == 0) {
1343                 partial_recv_show(noticeview, msginfo);
1344         }
1345 }
1346
1347 static void partial_recv_del_clicked(NoticeView *noticeview, 
1348                                        MsgInfo *msginfo)
1349 {
1350         if (partial_mark_for_delete(msginfo) == 0) {
1351                 partial_recv_show(noticeview, msginfo);
1352         }
1353 }
1354
1355 static void partial_recv_unmark_clicked(NoticeView *noticeview, 
1356                                        MsgInfo *msginfo)
1357 {
1358         if (partial_unmark(msginfo) == 0) {
1359                 partial_recv_show(noticeview, msginfo);
1360         }
1361 }
1362
1363 static void select_account_cb(GtkWidget *w, gpointer data)
1364 {
1365         *(gint*)data = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(w), MENU_VAL_ID));
1366 }
1367         
1368 static PrefsAccount *select_account_from_list(GList *ac_list)
1369 {
1370         GtkWidget *optmenu;
1371         GtkWidget *menu;
1372         gint account_id;
1373
1374         g_return_val_if_fail(ac_list != NULL, NULL);
1375         g_return_val_if_fail(ac_list->data != NULL, NULL);
1376         
1377         optmenu = gtk_option_menu_new();
1378         menu = gtkut_account_menu_new(ac_list, 
1379                         G_CALLBACK(select_account_cb), 
1380                         &account_id);
1381         if (!menu)
1382                 return NULL;
1383         gtk_option_menu_set_menu(GTK_OPTION_MENU(optmenu), menu);
1384         gtk_option_menu_set_history(GTK_OPTION_MENU(optmenu), 0);
1385         account_id = ((PrefsAccount *) ac_list->data)->account_id;
1386         if (alertpanel_with_widget(
1387                                 _("Return Receipt Notification"),
1388                                 _("The message was sent to several of your "
1389                                   "accounts.\n"
1390                                   "Please choose which account do you want to "
1391                                   "use for sending the receipt notification:"),
1392                                 _("_Send Notification"), _("+_Cancel"), NULL,
1393                                 FALSE, optmenu) != G_ALERTDEFAULT)
1394                 return NULL;
1395         return account_find_from_id(account_id);
1396 }
1397
1398 /* 
1399  * \brief return selected messageview text, when nothing is 
1400  *        selected and message was filtered, return complete text
1401  *
1402  * \param  pointer to Messageview 
1403  *
1404  * \return pointer to text (needs to be free'd by calling func)
1405  */
1406 gchar *messageview_get_selection(MessageView *msgview)
1407 {
1408         TextView *textview;
1409         gchar *text = NULL;
1410         GtkTextView *edit = NULL;
1411         GtkTextBuffer *textbuf;
1412         gint body_pos = 0;
1413         
1414         g_return_val_if_fail(msgview != NULL, NULL);
1415
1416         if (msgview->mimeview->type == MIMEVIEW_VIEWER) {
1417                 MimeViewer *viewer = msgview->mimeview->mimeviewer;
1418                 if (viewer && viewer->get_selection) {
1419                         text = viewer->get_selection(viewer);
1420                         if (text)
1421                                 return text;
1422                 }
1423         }
1424
1425         textview = messageview_get_current_textview(msgview);
1426         g_return_val_if_fail(textview != NULL, NULL);
1427
1428         edit = GTK_TEXT_VIEW(textview->text);
1429         g_return_val_if_fail(edit != NULL, NULL);
1430         body_pos = textview->body_pos;
1431
1432         textbuf = gtk_text_view_get_buffer(edit);
1433
1434         if (gtk_text_buffer_get_selection_bounds(textbuf, NULL, NULL))
1435                 return gtkut_text_view_get_selection(edit);
1436         else if (msgview->filtered) {
1437                 GtkTextIter start_iter, end_iter;
1438                 gtk_text_buffer_get_iter_at_offset(textbuf, &start_iter, body_pos);
1439                 gtk_text_buffer_get_end_iter(textbuf, &end_iter);
1440                 gtk_text_buffer_get_text(textbuf, &start_iter, &end_iter, FALSE);
1441         } else
1442                 text = NULL;
1443
1444         return text;
1445 }
1446
1447 static void save_as_cb(gpointer data, guint action, GtkWidget *widget)
1448 {
1449         MessageView *messageview = (MessageView *)data;
1450         messageview_save_as(messageview);
1451 }
1452
1453 #ifdef USE_GNOMEPRINT
1454 static void print_mimeview(MimeView *mimeview, gint sel_start, gint sel_end, gint partnum) 
1455 {
1456         if (!mimeview 
1457         ||  !mimeview->textview
1458         ||  !mimeview->textview->text)
1459                 alertpanel_warning(_("Cannot print: the message doesn't "
1460                                      "contain text."));
1461         else {
1462                 gtk_widget_realize(mimeview->textview->text);
1463                 if (partnum > 0) {
1464                         mimeview_select_part_num(mimeview, partnum);
1465                 }
1466                 if (sel_start != -1 && sel_end != -1) {
1467                         GtkTextIter start, end;
1468                         GtkTextView *text = GTK_TEXT_VIEW(mimeview->textview->text);
1469                         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1470
1471                         gtk_text_buffer_get_iter_at_offset(buffer, &start, sel_start);
1472                         gtk_text_buffer_get_iter_at_offset(buffer, &end, sel_end);
1473                         gtk_text_buffer_select_range(buffer, &start, &end);
1474                 }
1475
1476                 gedit_print(GTK_TEXT_VIEW(mimeview->textview->text));
1477         }
1478 }
1479
1480 void messageview_print(MsgInfo *msginfo, gboolean all_headers, 
1481                         gint sel_start, gint sel_end, gint partnum) 
1482 {
1483         PangoFontDescription *font_desc = NULL;
1484         MessageView *tmpview = messageview_create_with_new_window_visible(
1485                                 mainwindow_get_mainwindow(), FALSE);
1486
1487         if (prefs_common.use_different_print_font) {
1488                 font_desc = pango_font_description_from_string
1489                                                 (prefs_common.printfont);
1490         } else {
1491                 font_desc = pango_font_description_from_string
1492                                                 (prefs_common.textfont);
1493         }
1494         if (font_desc) {
1495                 gtk_widget_modify_font(tmpview->mimeview->textview->text, 
1496                         font_desc);
1497                 pango_font_description_free(font_desc);
1498         }
1499
1500         tmpview->all_headers = all_headers;
1501         if (msginfo && messageview_show(tmpview, msginfo, 
1502                 tmpview->all_headers) >= 0) {
1503                         print_mimeview(tmpview->mimeview, 
1504                                 sel_start, sel_end, partnum);
1505         }
1506         messageview_destroy(tmpview);
1507 }
1508 #endif
1509
1510 static void print_cb(gpointer data, guint action, GtkWidget *widget)
1511 {
1512         MessageView *messageview = (MessageView *)data;
1513 #ifndef USE_GNOMEPRINT
1514         gchar *cmdline = NULL;
1515         gchar *p;
1516 #else
1517         gint sel_start = -1, sel_end = -1, partnum = 0;
1518 #endif
1519
1520         if (!messageview->msginfo) return;
1521 #ifndef USE_GNOMEPRINT
1522         cmdline = input_dialog(_("Print"),
1523                                _("Enter the print command line:\n"
1524                                  "('%s' will be replaced with file name)"),
1525                                prefs_common.print_cmd);
1526         if (!cmdline) return;
1527         if (!(p = strchr(cmdline, '%')) || *(p + 1) != 's' ||
1528             strchr(p + 2, '%')) {
1529                 alertpanel_error(_("Print command line is invalid:\n'%s'"),
1530                                  cmdline);
1531                 g_free(cmdline);
1532                 return;
1533         }
1534         procmsg_print_message(messageview->msginfo, cmdline);
1535         g_free(cmdline);
1536 #else
1537         partnum = mimeview_get_selected_part_num(messageview->mimeview);
1538         textview_get_selection_offsets(messageview->mimeview->textview,
1539                 &sel_start, &sel_end);
1540         messageview_print(messageview->msginfo, messageview->all_headers, 
1541                 sel_start, sel_end, partnum);
1542 #endif
1543 }
1544
1545 static void close_cb(gpointer data, guint action, GtkWidget *widget)
1546 {
1547         MessageView *messageview = (MessageView *)data;
1548         messageview_destroy(messageview);
1549 }
1550
1551 static void copy_cb(gpointer data, guint action, GtkWidget *widget)
1552 {
1553         MessageView *messageview = (MessageView *)data;
1554         messageview_copy_clipboard(messageview);
1555 }
1556
1557 static void allsel_cb(gpointer data, guint action, GtkWidget *widget)
1558 {
1559         MessageView *messageview = (MessageView *)data;
1560         messageview_select_all(messageview);
1561 }
1562
1563 static void search_cb(gpointer data, guint action, GtkWidget *widget)
1564 {
1565         MessageView *messageview = (MessageView *)data;
1566         message_search(messageview);
1567 }
1568
1569 static void set_charset_cb(gpointer data, guint action, GtkWidget *widget)
1570 {
1571         MessageView *messageview = (MessageView *)data;
1572         const gchar *charset;
1573
1574         if (GTK_CHECK_MENU_ITEM(widget)->active) {
1575                 charset = conv_get_charset_str((CharSet)action);
1576                 g_free(messageview->forced_charset);
1577                 messageview->forced_charset = g_strdup(charset);
1578                 procmime_force_charset(charset);
1579                 
1580                 messageview_show(messageview, messageview->msginfo, FALSE);
1581         }
1582 }
1583
1584 static void set_decode_cb(gpointer data, guint action, GtkWidget *widget)
1585 {
1586         MessageView *messageview = (MessageView *)data;
1587         if (GTK_CHECK_MENU_ITEM(widget)->active) {
1588                 messageview->forced_encoding = (EncodingType)action;
1589
1590                 messageview_show(messageview, messageview->msginfo, FALSE);
1591                 
1592                 debug_print("forced encoding: %d\n", action);
1593         }
1594 }
1595
1596
1597 static void view_source_cb(gpointer data, guint action, GtkWidget *widget)
1598 {
1599         MessageView *messageview = (MessageView *)data;
1600         SourceWindow *srcwin;
1601
1602         if (!messageview->msginfo) return;
1603
1604         srcwin = source_window_create();
1605         source_window_show_msg(srcwin, messageview->msginfo);
1606         source_window_show(srcwin);
1607 }
1608
1609 static void show_all_header_cb(gpointer data, guint action, GtkWidget *widget)
1610 {
1611         MessageView *messageview = (MessageView *)data;
1612         MsgInfo *msginfo = messageview->msginfo;
1613
1614         messageview->all_headers = 
1615                         GTK_CHECK_MENU_ITEM(widget)->active;
1616         if (!msginfo) return;
1617         messageview->msginfo = NULL;
1618         messageview_show(messageview, msginfo,
1619                          GTK_CHECK_MENU_ITEM(widget)->active);
1620         procmsg_msginfo_free(msginfo);
1621         main_window_set_menu_sensitive(messageview->mainwin);
1622 }
1623
1624 #define SET_CHECK_MENU_ACTIVE(path, active) \
1625 { \
1626         menuitem = gtk_item_factory_get_widget(ifactory, path); \
1627         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem), active); \
1628 }
1629
1630 static void msg_hide_quotes_cb(gpointer data, guint action, GtkWidget *widget)
1631 {
1632         MessageView *messageview = (MessageView *)data;
1633         MsgInfo *msginfo = messageview->msginfo;
1634         static gboolean updating_menu = FALSE;
1635         GtkItemFactory *ifactory = gtk_item_factory_from_widget(messageview->menubar);
1636         GtkWidget *menuitem;
1637         if (updating_menu)
1638                 return;
1639
1640         prefs_common.hide_quotes = 
1641                         GTK_CHECK_MENU_ITEM(widget)->active ? action : 0;
1642         
1643         updating_menu=TRUE;
1644         SET_CHECK_MENU_ACTIVE("/View/Quotes/Fold all", FALSE);
1645         SET_CHECK_MENU_ACTIVE("/View/Quotes/Fold from level 2", FALSE);
1646         SET_CHECK_MENU_ACTIVE("/View/Quotes/Fold from level 3", FALSE);
1647         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(widget), prefs_common.hide_quotes > 0);      
1648         updating_menu=FALSE;
1649         if (!msginfo) return;
1650         messageview->msginfo = NULL;
1651         messageview_show(messageview, msginfo,
1652                          messageview->all_headers);
1653         procmsg_msginfo_free(msginfo);
1654         
1655         /* update main window */
1656         main_window_set_menu_sensitive(messageview->mainwin);
1657         summary_redisplay_msg(messageview->mainwin->summaryview);
1658 }
1659 #undef SET_CHECK_MENU_ACTIVE
1660
1661 static void compose_cb(gpointer data, guint action, GtkWidget *widget)
1662 {
1663         MessageView *messageview = (MessageView *)data;
1664         PrefsAccount *ac = NULL;
1665         FolderItem *item = NULL;
1666
1667         if (messageview->msginfo)
1668                 item = messageview->msginfo->folder;
1669
1670         if (item) {
1671                 ac = account_find_from_item(item);
1672                 if (ac && ac->protocol == A_NNTP &&
1673                     item->stype == F_NEWS) {
1674                         compose_new(ac, item->path, NULL);
1675                         return;
1676                 }
1677         }
1678
1679         compose_new(ac, NULL, NULL);
1680 }
1681
1682 static void reply_cb(gpointer data, guint action, GtkWidget *widget)
1683 {
1684         MessageView *messageview = (MessageView *)data;
1685         GSList *msginfo_list = NULL;
1686
1687         g_return_if_fail(messageview->msginfo);
1688
1689         msginfo_list = g_slist_append(msginfo_list, messageview->msginfo);
1690         compose_reply_from_messageview(messageview, msginfo_list, action);
1691         g_slist_free(msginfo_list);
1692 }
1693
1694 static void addressbook_open_cb(gpointer data, guint action, GtkWidget *widget)
1695 {
1696         addressbook_open(NULL);
1697 }
1698
1699 static void add_address_cb(gpointer data, guint action, GtkWidget *widget)
1700 {
1701         MessageView *messageview = (MessageView *)data;
1702         MsgInfo *msginfo;
1703         gchar *from;
1704
1705         if (!messageview->msginfo) return;
1706         msginfo = messageview->msginfo;
1707         Xstrdup_a(from, msginfo->from, return);
1708         eliminate_address_comment(from);
1709         extract_address(from);
1710         addressbook_add_contact(msginfo->fromname, from, NULL);
1711 }
1712
1713 static void create_filter_cb(gpointer data, guint action, GtkWidget *widget)
1714 {
1715         MessageView *messageview = (MessageView *)data;
1716         FolderItem * item;
1717         
1718         if (!messageview->msginfo) return;
1719         
1720         item = messageview->msginfo->folder;
1721         summary_msginfo_filter_open(item,  messageview->msginfo,
1722                                     (PrefsFilterType)action, 0);
1723 }
1724
1725 static void create_processing_cb(gpointer data, guint action,
1726                                  GtkWidget *widget)
1727 {
1728         MessageView *messageview = (MessageView *)data;
1729         FolderItem * item;
1730         
1731         if (!messageview->msginfo) return;
1732         
1733         item = messageview->msginfo->folder;
1734         summary_msginfo_filter_open(item,  messageview->msginfo,
1735                                     (PrefsFilterType)action, 1);
1736 }
1737
1738 static void about_cb(gpointer data, guint action, GtkWidget *widget)
1739 {
1740         about_show();
1741 }
1742
1743 static gboolean messageview_update_msg(gpointer source, gpointer data)
1744 {
1745         MsgInfoUpdate *msginfo_update = (MsgInfoUpdate *) source;
1746         MessageView *messageview = (MessageView *)data;
1747
1748         if (messageview->msginfo != msginfo_update->msginfo)
1749                 return FALSE;
1750
1751         if (msginfo_update->flags & MSGINFO_UPDATE_DELETED) {
1752                 messageview_clear(messageview);
1753                 messageview_update(messageview);
1754         }
1755
1756         return FALSE;
1757 }
1758
1759 void messageview_set_menu_sensitive(MessageView *messageview)
1760 {
1761         GtkItemFactory *ifactory;
1762         GtkWidget *menuitem = NULL;
1763
1764         if (!messageview || !messageview->new_window) 
1765                 return;
1766         /* do some smart things */
1767         if (!messageview->menubar) return;
1768         ifactory = gtk_item_factory_from_widget(messageview->menubar);
1769         if (!ifactory) return;
1770         if (messageview->mainwin->type == SEPARATE_MESSAGE) {
1771                 menuitem = gtk_item_factory_get_widget(ifactory, "/View/All headers");
1772                 gtk_check_menu_item_set_active
1773                         (GTK_CHECK_MENU_ITEM(menuitem),
1774                          messageview->mimeview->textview->show_all_headers);
1775         }
1776         if (prefs_common.hide_quotes) {
1777                 menuitem = NULL;
1778                 if (prefs_common.hide_quotes == 1)
1779                         menuitem = gtk_item_factory_get_widget(ifactory, 
1780                                         "/View/Quotes/Fold all");
1781                 if (prefs_common.hide_quotes == 2)
1782                         menuitem = gtk_item_factory_get_widget(ifactory, 
1783                                         "/View/Quotes/Fold from level 2");
1784                 if (prefs_common.hide_quotes == 3)
1785                         menuitem = gtk_item_factory_get_widget(ifactory, 
1786                                         "/View/Quotes/Fold from level 3");
1787                 gtk_check_menu_item_set_active
1788                         (GTK_CHECK_MENU_ITEM(menuitem),
1789                          TRUE);
1790         }
1791 }
1792
1793 void messageview_learn (MessageView *msgview, gboolean is_spam)
1794 {
1795         if (is_spam) {
1796                 if (procmsg_spam_learner_learn(msgview->msginfo, NULL, TRUE) == 0)
1797                         procmsg_msginfo_set_flags(msgview->msginfo, MSG_SPAM, 0);
1798                 else
1799                         log_error(_("An error happened while learning.\n"));
1800                 
1801         } else {
1802                 if (procmsg_spam_learner_learn(msgview->msginfo, NULL, FALSE) == 0)
1803                         procmsg_msginfo_unset_flags(msgview->msginfo, MSG_SPAM, 0);
1804                 else
1805                         log_error(_("An error happened while learning.\n"));
1806         }
1807         if (msgview->toolbar)
1808                 toolbar_set_learn_button
1809                         (msgview->toolbar,
1810                          MSG_IS_SPAM(msgview->msginfo->flags)?LEARN_HAM:LEARN_SPAM);
1811         else
1812                 toolbar_set_learn_button
1813                         (msgview->mainwin->toolbar,
1814                          MSG_IS_SPAM(msgview->msginfo->flags)?LEARN_HAM:LEARN_SPAM);
1815 }