2005-10-13 [colin] 1.9.15cvs41
[claws.git] / src / compose.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2005 Hiroyuki Yamamoto
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 #ifdef HAVE_CONFIG_H
21 #  include "config.h"
22 #endif
23
24 #include "defs.h"
25
26 #ifndef PANGO_ENABLE_ENGINE
27 #  define PANGO_ENABLE_ENGINE
28 #endif
29
30 #include <glib.h>
31 #include <glib/gi18n.h>
32 #include <gdk/gdkkeysyms.h>
33 #include <gtk/gtkmain.h>
34 #include <gtk/gtkmenu.h>
35 #include <gtk/gtkmenuitem.h>
36 #include <gtk/gtkitemfactory.h>
37 #include <gtk/gtkcheckmenuitem.h>
38 #include <gtk/gtkoptionmenu.h>
39 #include <gtk/gtkwidget.h>
40 #include <gtk/gtkvpaned.h>
41 #include <gtk/gtkentry.h>
42 #include <gtk/gtkeditable.h>
43 #include <gtk/gtkwindow.h>
44 #include <gtk/gtksignal.h>
45 #include <gtk/gtkvbox.h>
46 #include <gtk/gtkcontainer.h>
47 #include <gtk/gtkhandlebox.h>
48 #include <gtk/gtktoolbar.h>
49 #include <gtk/gtktable.h>
50 #include <gtk/gtkhbox.h>
51 #include <gtk/gtklabel.h>
52 #include <gtk/gtkscrolledwindow.h>
53 #include <gtk/gtktreeview.h>
54 #include <gtk/gtkliststore.h>
55 #include <gtk/gtktreeselection.h>
56 #include <gtk/gtktreemodel.h>
57
58 #include <gtk/gtkdnd.h>
59 #include <gtk/gtkclipboard.h>
60 #include <pango/pango-break.h>
61 #include <stdio.h>
62 #include <stdlib.h>
63 #include <string.h>
64 #include <ctype.h>
65 #include <sys/types.h>
66 #include <sys/stat.h>
67 #include <unistd.h>
68 #include <time.h>
69 #include <stdlib.h>
70 #if HAVE_SYS_WAIT_H
71 #  include <sys/wait.h>
72 #endif
73 #include <signal.h>
74 #include <errno.h>
75 #include <libgen.h>
76
77 #if (HAVE_WCTYPE_H && HAVE_WCHAR_H)
78 #  include <wchar.h>
79 #  include <wctype.h>
80 #endif
81
82 #include "sylpheed.h"
83 #include "main.h"
84 #include "mainwindow.h"
85 #include "compose.h"
86 #include "addressbook.h"
87 #include "folderview.h"
88 #include "procmsg.h"
89 #include "menu.h"
90 #include "stock_pixmap.h"
91 #include "send_message.h"
92 #include "imap.h"
93 #include "news.h"
94 #include "customheader.h"
95 #include "prefs_common.h"
96 #include "prefs_account.h"
97 #include "action.h"
98 #include "account.h"
99 #include "filesel.h"
100 #include "procheader.h"
101 #include "procmime.h"
102 #include "statusbar.h"
103 #include "about.h"
104 #include "base64.h"
105 #include "quoted-printable.h"
106 #include "codeconv.h"
107 #include "utils.h"
108 #include "gtkutils.h"
109 #include "socket.h"
110 #include "alertpanel.h"
111 #include "manage_window.h"
112 #include "gtkshruler.h"
113 #include "folder.h"
114 #include "addr_compl.h"
115 #include "quote_fmt.h"
116 #include "template.h"
117 #include "undo.h"
118 #include "foldersel.h"
119 #include "toolbar.h"
120 #include "inc.h"
121 enum
122 {
123         COL_MIMETYPE = 0,
124         COL_SIZE     = 1,
125         COL_NAME     = 2,
126         COL_DATA     = 3,
127         COL_AUTODATA = 4,
128         N_COL_COLUMNS
129 };
130
131 #define N_ATTACH_COLS   (N_COL_COLUMNS)
132
133 typedef enum
134 {
135         COMPOSE_CALL_ADVANCED_ACTION_MOVE_BEGINNING_OF_LINE,
136         COMPOSE_CALL_ADVANCED_ACTION_MOVE_FORWARD_CHARACTER,
137         COMPOSE_CALL_ADVANCED_ACTION_MOVE_BACKWARD_CHARACTER,
138         COMPOSE_CALL_ADVANCED_ACTION_MOVE_FORWARD_WORD,
139         COMPOSE_CALL_ADVANCED_ACTION_MOVE_BACKWARD_WORD,
140         COMPOSE_CALL_ADVANCED_ACTION_MOVE_END_OF_LINE,
141         COMPOSE_CALL_ADVANCED_ACTION_MOVE_NEXT_LINE,
142         COMPOSE_CALL_ADVANCED_ACTION_MOVE_PREVIOUS_LINE,
143         COMPOSE_CALL_ADVANCED_ACTION_DELETE_FORWARD_CHARACTER,
144         COMPOSE_CALL_ADVANCED_ACTION_DELETE_BACKWARD_CHARACTER,
145         COMPOSE_CALL_ADVANCED_ACTION_DELETE_FORWARD_WORD,
146         COMPOSE_CALL_ADVANCED_ACTION_DELETE_BACKWARD_WORD,
147         COMPOSE_CALL_ADVANCED_ACTION_DELETE_LINE,
148         COMPOSE_CALL_ADVANCED_ACTION_DELETE_LINE_N,
149         COMPOSE_CALL_ADVANCED_ACTION_DELETE_TO_LINE_END
150 } ComposeCallAdvancedAction;
151
152 typedef enum
153 {
154         PRIORITY_HIGHEST = 1,
155         PRIORITY_HIGH,
156         PRIORITY_NORMAL,
157         PRIORITY_LOW,
158         PRIORITY_LOWEST
159 } PriorityLevel;
160
161 typedef enum
162 {
163         COMPOSE_INSERT_SUCCESS,
164         COMPOSE_INSERT_READ_ERROR,
165         COMPOSE_INSERT_INVALID_CHARACTER,
166         COMPOSE_INSERT_NO_FILE
167 } ComposeInsertResult;
168
169 typedef enum
170 {
171         COMPOSE_QUIT_EDITING,
172         COMPOSE_KEEP_EDITING,
173         COMPOSE_AUTO_SAVE
174 } ComposeDraftAction;
175
176 typedef enum
177 {
178         COMPOSE_WRITE_FOR_SEND,
179         COMPOSE_WRITE_FOR_STORE
180 } ComposeWriteType;
181
182 #define B64_LINE_SIZE           57
183 #define B64_BUFFSIZE            77
184
185 #define MAX_REFERENCES_LEN      999
186
187 static GList *compose_list = NULL;
188
189 Compose *compose_generic_new                    (PrefsAccount   *account,
190                                                  const gchar    *to,
191                                                  FolderItem     *item,
192                                                  GPtrArray      *attach_files,
193                                                  GList          *listAddress );
194
195 static Compose *compose_create                  (PrefsAccount   *account,
196                                                  ComposeMode     mode);
197
198 static GtkWidget *compose_account_option_menu_create
199                                                 (Compose        *compose);
200 static void compose_set_out_encoding            (Compose        *compose);
201 static void compose_set_template_menu           (Compose        *compose);
202 static void compose_template_apply              (Compose        *compose,
203                                                  Template       *tmpl,
204                                                  gboolean        replace);
205 static void compose_destroy                     (Compose        *compose);
206
207 static void compose_entries_set                 (Compose        *compose,
208                                                  const gchar    *mailto);
209 static gint compose_parse_header                (Compose        *compose,
210                                                  MsgInfo        *msginfo);
211 static gchar *compose_parse_references          (const gchar    *ref,
212                                                  const gchar    *msgid);
213
214 static gchar *compose_quote_fmt                 (Compose        *compose,
215                                                  MsgInfo        *msginfo,
216                                                  const gchar    *fmt,
217                                                  const gchar    *qmark,
218                                                  const gchar    *body);
219
220 static void compose_reply_set_entry             (Compose        *compose,
221                                                  MsgInfo        *msginfo,
222                                                  gboolean        to_all,
223                                                  gboolean        to_ml,
224                                                  gboolean        to_sender,
225                                                  gboolean
226                                                  followup_and_reply_to);
227 static void compose_reedit_set_entry            (Compose        *compose,
228                                                  MsgInfo        *msginfo);
229
230 static void compose_insert_sig                  (Compose        *compose,
231                                                  gboolean        replace);
232 static gchar *compose_get_signature_str         (Compose        *compose);
233 static ComposeInsertResult compose_insert_file  (Compose        *compose,
234                                                  const gchar    *file);
235
236 static void compose_attach_append               (Compose        *compose,
237                                                  const gchar    *file,
238                                                  const gchar    *type,
239                                                  const gchar    *content_type);
240 static void compose_attach_parts                (Compose        *compose,
241                                                  MsgInfo        *msginfo);
242
243 static void compose_beautify_paragraph          (Compose        *compose,
244                                                  GtkTextIter    *par_iter,
245                                                  gboolean        force);
246 static void compose_wrap_all                    (Compose        *compose);
247 static void compose_wrap_all_full               (Compose        *compose,
248                                                  gboolean        autowrap);
249
250 static void compose_set_title                   (Compose        *compose);
251 static void compose_select_account              (Compose        *compose,
252                                                  PrefsAccount   *account,
253                                                  gboolean        init);
254
255 static PrefsAccount *compose_current_mail_account(void);
256 /* static gint compose_send                     (Compose        *compose); */
257 static gboolean compose_check_for_valid_recipient
258                                                 (Compose        *compose);
259 static gboolean compose_check_entries           (Compose        *compose,
260                                                  gboolean       check_subject);
261 static gint compose_write_to_file               (Compose        *compose,
262                                                  FILE           *fp,
263                                                  gint            action);
264 static gint compose_write_body_to_file          (Compose        *compose,
265                                                  const gchar    *file);
266 static gint compose_remove_reedit_target        (Compose        *compose);
267 void compose_remove_draft                       (Compose        *compose);
268 static gint compose_queue                       (Compose        *compose,
269                                                  gint           *msgnum,
270                                                  FolderItem     **item);
271 static gint compose_queue_sub                   (Compose        *compose,
272                                                  gint           *msgnum,
273                                                  FolderItem     **item,
274                                                  gboolean       check_subject);
275 static void compose_add_attachments             (Compose        *compose,
276                                                  MimeInfo       *parent);
277 static gchar *compose_get_header                (Compose        *compose);
278
279 static void compose_convert_header              (Compose        *compose,
280                                                  gchar          *dest,
281                                                  gint            len,
282                                                  gchar          *src,
283                                                  gint            header_len,
284                                                  gboolean        addr_field);
285
286 static void compose_attach_info_free            (AttachInfo     *ainfo);
287 static void compose_attach_remove_selected      (Compose        *compose);
288
289 static void compose_attach_property             (Compose        *compose);
290 static void compose_attach_property_create      (gboolean       *cancelled);
291 static void attach_property_ok                  (GtkWidget      *widget,
292                                                  gboolean       *cancelled);
293 static void attach_property_cancel              (GtkWidget      *widget,
294                                                  gboolean       *cancelled);
295 static gint attach_property_delete_event        (GtkWidget      *widget,
296                                                  GdkEventAny    *event,
297                                                  gboolean       *cancelled);
298 static gboolean attach_property_key_pressed     (GtkWidget      *widget,
299                                                  GdkEventKey    *event,
300                                                  gboolean       *cancelled);
301
302 static void compose_exec_ext_editor             (Compose        *compose);
303 #ifdef G_OS_UNIX
304 static gint compose_exec_ext_editor_real        (const gchar    *file);
305 static gboolean compose_ext_editor_kill         (Compose        *compose);
306 static gboolean compose_input_cb                (GIOChannel     *source,
307                                                  GIOCondition    condition,
308                                                  gpointer        data);
309 static void compose_set_ext_editor_sensitive    (Compose        *compose,
310                                                  gboolean        sensitive);
311 #endif /* G_OS_UNIX */
312
313 static void compose_undo_state_changed          (UndoMain       *undostruct,
314                                                  gint            undo_state,
315                                                  gint            redo_state,
316                                                  gpointer        data);
317
318 static void compose_create_header_entry (Compose *compose);
319 static void compose_add_header_entry    (Compose *compose, gchar *header, gchar *text);
320 static void compose_update_priority_menu_item(Compose * compose);
321
322 static void compose_add_field_list      ( Compose *compose,
323                                           GList *listAddress );
324
325 /* callback functions */
326
327 static gboolean compose_edit_size_alloc (GtkEditable    *widget,
328                                          GtkAllocation  *allocation,
329                                          GtkSHRuler     *shruler);
330 static void account_activated           (GtkMenuItem    *menuitem,
331                                          gpointer        data);
332 static void attach_selected             (GtkTreeView    *tree_view, 
333                                          GtkTreePath    *tree_path,
334                                          GtkTreeViewColumn *column, 
335                                          Compose *compose);
336 static gboolean attach_button_pressed   (GtkWidget      *widget,
337                                          GdkEventButton *event,
338                                          gpointer        data);
339 static gboolean attach_key_pressed      (GtkWidget      *widget,
340                                          GdkEventKey    *event,
341                                          gpointer        data);
342
343 static void compose_send_cb             (gpointer        data,
344                                          guint           action,
345                                          GtkWidget      *widget);
346 static void compose_send_later_cb       (gpointer        data,
347                                          guint           action,
348                                          GtkWidget      *widget);
349
350 static void compose_draft_cb            (gpointer        data,
351                                          guint           action,
352                                          GtkWidget      *widget);
353
354 static void compose_attach_cb           (gpointer        data,
355                                          guint           action,
356                                          GtkWidget      *widget);
357 static void compose_insert_file_cb      (gpointer        data,
358                                          guint           action,
359                                          GtkWidget      *widget);
360 static void compose_insert_sig_cb       (gpointer        data,
361                                          guint           action,
362                                          GtkWidget      *widget);
363
364 static void compose_close_cb            (gpointer        data,
365                                          guint           action,
366                                          GtkWidget      *widget);
367
368 static void compose_set_encoding_cb     (gpointer        data,
369                                          guint           action,
370                                          GtkWidget      *widget);
371
372 static void compose_address_cb          (gpointer        data,
373                                          guint           action,
374                                          GtkWidget      *widget);
375 static void compose_template_activate_cb(GtkWidget      *widget,
376                                          gpointer        data);
377
378 static void compose_ext_editor_cb       (gpointer        data,
379                                          guint           action,
380                                          GtkWidget      *widget);
381
382 static gint compose_delete_cb           (GtkWidget      *widget,
383                                          GdkEventAny    *event,
384                                          gpointer        data);
385
386 static void compose_undo_cb             (Compose        *compose);
387 static void compose_redo_cb             (Compose        *compose);
388 static void compose_cut_cb              (Compose        *compose);
389 static void compose_copy_cb             (Compose        *compose);
390 static void compose_paste_cb            (Compose        *compose);
391 static void compose_paste_as_quote_cb   (Compose        *compose);
392 static void compose_paste_no_wrap_cb    (Compose        *compose);
393 static void compose_paste_wrap_cb       (Compose        *compose);
394 static void compose_allsel_cb           (Compose        *compose);
395
396 static void compose_advanced_action_cb  (Compose                   *compose,
397                                          ComposeCallAdvancedAction  action);
398
399 static void compose_grab_focus_cb       (GtkWidget      *widget,
400                                          Compose        *compose);
401
402 static void compose_changed_cb          (GtkTextBuffer  *textbuf,
403                                          Compose        *compose);
404
405 static void compose_wrap_cb             (gpointer        data,
406                                          guint           action,
407                                          GtkWidget      *widget);
408 static void compose_toggle_autowrap_cb  (gpointer        data,
409                                          guint           action,
410                                          GtkWidget      *widget);
411
412 static void compose_toggle_ruler_cb     (gpointer        data,
413                                          guint           action,
414                                          GtkWidget      *widget);
415 static void compose_toggle_sign_cb      (gpointer        data,
416                                          guint           action,
417                                          GtkWidget      *widget);
418 static void compose_toggle_encrypt_cb   (gpointer        data,
419                                          guint           action,
420                                          GtkWidget      *widget);
421 static void compose_set_privacy_system_cb(GtkWidget      *widget,
422                                           gpointer        data);
423 static void compose_update_privacy_system_menu_item(Compose * compose, gboolean warn);
424 static void activate_privacy_system     (Compose *compose, 
425                                          PrefsAccount *account,
426                                          gboolean warn);
427 static void compose_use_signing(Compose *compose, gboolean use_signing);
428 static void compose_use_encryption(Compose *compose, gboolean use_encryption);
429 static void compose_toggle_return_receipt_cb(gpointer data, guint action,
430                                              GtkWidget *widget);
431 static void compose_toggle_remove_refs_cb(gpointer data, guint action,
432                                              GtkWidget *widget);
433 static void compose_set_priority_cb     (gpointer        data,
434                                          guint           action,
435                                          GtkWidget      *widget);
436
437 static void compose_attach_drag_received_cb (GtkWidget          *widget,
438                                              GdkDragContext     *drag_context,
439                                              gint                x,
440                                              gint                y,
441                                              GtkSelectionData   *data,
442                                              guint               info,
443                                              guint               time,
444                                              gpointer            user_data);
445 static void compose_insert_drag_received_cb (GtkWidget          *widget,
446                                              GdkDragContext     *drag_context,
447                                              gint                x,
448                                              gint                y,
449                                              GtkSelectionData   *data,
450                                              guint               info,
451                                              guint               time,
452                                              gpointer            user_data);
453 static void compose_header_drag_received_cb (GtkWidget          *widget,
454                                              GdkDragContext     *drag_context,
455                                              gint                x,
456                                              gint                y,
457                                              GtkSelectionData   *data,
458                                              guint               info,
459                                              guint               time,
460                                              gpointer            user_data);
461
462 static gboolean compose_drag_drop           (GtkWidget *widget,
463                                              GdkDragContext *drag_context,
464                                              gint x, gint y,
465                                              guint time, gpointer user_data);
466
467 static void text_inserted               (GtkTextBuffer  *buffer,
468                                          GtkTextIter    *iter,
469                                          const gchar    *text,
470                                          gint            len,
471                                          Compose        *compose);
472 static Compose *compose_generic_reply(MsgInfo *msginfo, gboolean quote,
473                                   gboolean to_all, gboolean to_ml,
474                                   gboolean to_sender,
475                                   gboolean followup_and_reply_to,
476                                   const gchar *body);
477
478 gboolean compose_headerentry_changed_cb    (GtkWidget          *entry,
479                                             ComposeHeaderEntry *headerentry);
480 gboolean compose_headerentry_key_press_event_cb(GtkWidget              *entry,
481                                             GdkEventKey        *event,
482                                             ComposeHeaderEntry *headerentry);
483
484 static void compose_show_first_last_header (Compose *compose, gboolean show_first);
485
486 static void compose_allow_user_actions (Compose *compose, gboolean allow);
487
488 #if USE_ASPELL
489 static void compose_check_all              (Compose *compose);
490 static void compose_highlight_all          (Compose *compose);
491 static void compose_check_backwards        (Compose *compose);
492 static void compose_check_forwards_go      (Compose *compose);
493 #endif
494
495 static gint compose_defer_auto_save_draft       (Compose        *compose);
496 static PrefsAccount *compose_guess_forward_account_from_msginfo (MsgInfo *msginfo);
497
498 static gboolean compose_close   (Compose *compose);
499
500 static GtkItemFactoryEntry compose_popup_entries[] =
501 {
502         {N_("/_Add..."),        NULL, compose_attach_cb, 0, NULL},
503         {N_("/_Remove"),        NULL, compose_attach_remove_selected, 0, NULL},
504         {N_("/---"),            NULL, NULL, 0, "<Separator>"},
505         {N_("/_Properties..."), NULL, compose_attach_property, 0, NULL}
506 };
507
508 static GtkItemFactoryEntry compose_entries[] =
509 {
510         {N_("/_Message"),                               NULL, NULL, 0, "<Branch>"},
511         {N_("/_Message/_Send"),         "<control>Return",
512                                         compose_send_cb, 0, NULL},
513         {N_("/_Message/Send _later"),   "<shift><control>S",
514                                         compose_send_later_cb,  0, NULL},
515         {N_("/_Message/---"),                   NULL, NULL, 0, "<Separator>"},
516         {N_("/_Message/_Attach file"),          "<control>M", compose_attach_cb,      0, NULL},
517         {N_("/_Message/_Insert file"),          "<control>I", compose_insert_file_cb, 0, NULL},
518         {N_("/_Message/Insert si_gnature"),     "<control>G", compose_insert_sig_cb,  0, NULL},
519         {N_("/_Message/---"),                   NULL, NULL, 0, "<Separator>"},
520         {N_("/_Message/_Save"),
521                                                 "<control>S", compose_draft_cb, COMPOSE_KEEP_EDITING, NULL},
522         {N_("/_Message/---"),                   NULL, NULL, 0, "<Separator>"},
523         {N_("/_Message/_Close"),                        "<control>W", compose_close_cb, 0, NULL},
524
525         {N_("/_Edit"),                  NULL, NULL, 0, "<Branch>"},
526         {N_("/_Edit/_Undo"),            "<control>Z", compose_undo_cb, 0, NULL},
527         {N_("/_Edit/_Redo"),            "<control>Y", compose_redo_cb, 0, NULL},
528         {N_("/_Edit/---"),              NULL, NULL, 0, "<Separator>"},
529         {N_("/_Edit/Cu_t"),             "<control>X", compose_cut_cb,    0, NULL},
530         {N_("/_Edit/_Copy"),            "<control>C", compose_copy_cb,   0, NULL},
531         {N_("/_Edit/_Paste"),           "<control>V", compose_paste_cb,  0, NULL},
532         {N_("/_Edit/Special paste"),    NULL, NULL, 0, "<Branch>"},
533         {N_("/_Edit/Special paste/as _quotation"),
534                                         NULL, compose_paste_as_quote_cb, 0, NULL},
535         {N_("/_Edit/Special paste/_wrapped"),
536                                         NULL, compose_paste_wrap_cb, 0, NULL},
537         {N_("/_Edit/Special paste/_unwrapped"),
538                                         NULL, compose_paste_no_wrap_cb, 0, NULL},
539         {N_("/_Edit/Select _all"),      "<control>A", compose_allsel_cb, 0, NULL},
540         {N_("/_Edit/A_dvanced"),        NULL, NULL, 0, "<Branch>"},
541         {N_("/_Edit/A_dvanced/Move a character backward"),
542                                         "<control>B",
543                                         compose_advanced_action_cb,
544                                         COMPOSE_CALL_ADVANCED_ACTION_MOVE_BACKWARD_CHARACTER,
545                                         NULL},
546         {N_("/_Edit/A_dvanced/Move a character forward"),
547                                         "<control>F",
548                                         compose_advanced_action_cb,
549                                         COMPOSE_CALL_ADVANCED_ACTION_MOVE_FORWARD_CHARACTER,
550                                         NULL},
551         {N_("/_Edit/A_dvanced/Move a word backward"),
552                                         NULL, /* "<alt>B" */
553                                         compose_advanced_action_cb,
554                                         COMPOSE_CALL_ADVANCED_ACTION_MOVE_BACKWARD_WORD,
555                                         NULL},
556         {N_("/_Edit/A_dvanced/Move a word forward"),
557                                         NULL, /* "<alt>F" */
558                                         compose_advanced_action_cb,
559                                         COMPOSE_CALL_ADVANCED_ACTION_MOVE_FORWARD_WORD,
560                                         NULL},
561         {N_("/_Edit/A_dvanced/Move to beginning of line"),
562                                         NULL, /* "<control>A" */
563                                         compose_advanced_action_cb,
564                                         COMPOSE_CALL_ADVANCED_ACTION_MOVE_BEGINNING_OF_LINE,
565                                         NULL},
566         {N_("/_Edit/A_dvanced/Move to end of line"),
567                                         "<control>E",
568                                         compose_advanced_action_cb,
569                                         COMPOSE_CALL_ADVANCED_ACTION_MOVE_END_OF_LINE,
570                                         NULL},
571         {N_("/_Edit/A_dvanced/Move to previous line"),
572                                         "<control>P",
573                                         compose_advanced_action_cb,
574                                         COMPOSE_CALL_ADVANCED_ACTION_MOVE_PREVIOUS_LINE,
575                                         NULL},
576         {N_("/_Edit/A_dvanced/Move to next line"),
577                                         "<control>N",
578                                         compose_advanced_action_cb,
579                                         COMPOSE_CALL_ADVANCED_ACTION_MOVE_NEXT_LINE,
580                                         NULL},
581         {N_("/_Edit/A_dvanced/Delete a character backward"),
582                                         "<control>H",
583                                         compose_advanced_action_cb,
584                                         COMPOSE_CALL_ADVANCED_ACTION_DELETE_BACKWARD_CHARACTER,
585                                         NULL},
586         {N_("/_Edit/A_dvanced/Delete a character forward"),
587                                         "<control>D",
588                                         compose_advanced_action_cb,
589                                         COMPOSE_CALL_ADVANCED_ACTION_DELETE_FORWARD_CHARACTER,
590                                         NULL},
591         {N_("/_Edit/A_dvanced/Delete a word backward"),
592                                         NULL, /* "<control>W" */
593                                         compose_advanced_action_cb,
594                                         COMPOSE_CALL_ADVANCED_ACTION_DELETE_BACKWARD_WORD,
595                                         NULL},
596         {N_("/_Edit/A_dvanced/Delete a word forward"),
597                                         NULL, /* "<alt>D", */
598                                         compose_advanced_action_cb,
599                                         COMPOSE_CALL_ADVANCED_ACTION_DELETE_FORWARD_WORD,
600                                         NULL},
601         {N_("/_Edit/A_dvanced/Delete line"),
602                                         "<control>U",
603                                         compose_advanced_action_cb,
604                                         COMPOSE_CALL_ADVANCED_ACTION_DELETE_LINE,
605                                         NULL},
606         {N_("/_Edit/A_dvanced/Delete entire line"),
607                                         NULL,
608                                         compose_advanced_action_cb,
609                                         COMPOSE_CALL_ADVANCED_ACTION_DELETE_LINE_N,
610                                         NULL},
611         {N_("/_Edit/A_dvanced/Delete to end of line"),
612                                         "<control>K",
613                                         compose_advanced_action_cb,
614                                         COMPOSE_CALL_ADVANCED_ACTION_DELETE_TO_LINE_END,
615                                         NULL},
616         {N_("/_Edit/---"),              NULL, NULL, 0, "<Separator>"},
617         {N_("/_Edit/_Wrap current paragraph"),
618                                         "<control>L", compose_wrap_cb, 0, NULL},
619         {N_("/_Edit/Wrap all long _lines"),
620                                         "<control><alt>L", compose_wrap_cb, 1, NULL},
621         {N_("/_Edit/Aut_o wrapping"),   "<shift><control>L", compose_toggle_autowrap_cb, 0, "<ToggleItem>"},
622         {N_("/_Edit/---"),              NULL, NULL, 0, "<Separator>"},
623         {N_("/_Edit/Edit with e_xternal editor"),
624                                         "<shift><control>X", compose_ext_editor_cb, 0, NULL},
625 #if USE_ASPELL
626         {N_("/_Spelling"),              NULL, NULL, 0, "<Branch>"},
627         {N_("/_Spelling/_Check all or check selection"),
628                                         NULL, compose_check_all, 0, NULL},
629         {N_("/_Spelling/_Highlight all misspelled words"),
630                                         NULL, compose_highlight_all, 0, NULL},
631         {N_("/_Spelling/Check _backwards misspelled word"),
632                                         NULL, compose_check_backwards , 0, NULL},
633         {N_("/_Spelling/_Forward to next misspelled word"),
634                                         NULL, compose_check_forwards_go, 0, NULL},
635         {N_("/_Spelling/---"),          NULL, NULL, 0, "<Separator>"},
636         {N_("/_Spelling/_Spelling Configuration"),
637                                         NULL, NULL, 0, "<Branch>"},
638 #endif
639         {N_("/_Options"),               NULL, NULL, 0, "<Branch>"},
640         {N_("/_Options/Privacy System"),                NULL, NULL,   0, "<Branch>"},
641         {N_("/_Options/Privacy System/None"),   NULL, NULL,   0, "<RadioItem>"},
642         {N_("/_Options/Si_gn"),         NULL, compose_toggle_sign_cb   , 0, "<ToggleItem>"},
643         {N_("/_Options/_Encrypt"),      NULL, compose_toggle_encrypt_cb, 0, "<ToggleItem>"},
644         {N_("/_Options/---"),           NULL,           NULL,   0, "<Separator>"},
645         {N_("/_Options/_Priority"),     NULL,           NULL,   0, "<Branch>"},
646         {N_("/_Options/Priority/_Highest"), NULL, compose_set_priority_cb, PRIORITY_HIGHEST, "<RadioItem>"},
647         {N_("/_Options/Priority/Hi_gh"),    NULL, compose_set_priority_cb, PRIORITY_HIGH, "/Options/Priority/Highest"},
648         {N_("/_Options/Priority/_Normal"),  NULL, compose_set_priority_cb, PRIORITY_NORMAL, "/Options/Priority/Highest"},
649         {N_("/_Options/Priority/Lo_w"),    NULL, compose_set_priority_cb, PRIORITY_LOW, "/Options/Priority/Highest"},
650         {N_("/_Options/Priority/_Lowest"),  NULL, compose_set_priority_cb, PRIORITY_LOWEST, "/Options/Priority/Highest"},
651         {N_("/_Options/---"),           NULL,           NULL,   0, "<Separator>"},
652         {N_("/_Options/_Request Return Receipt"),       NULL, compose_toggle_return_receipt_cb, 0, "<ToggleItem>"},
653         {N_("/_Options/---"),           NULL,           NULL,   0, "<Separator>"},
654         {N_("/_Options/Remo_ve references"),    NULL, compose_toggle_remove_refs_cb, 0, "<ToggleItem>"},
655         {N_("/_Options/---"),           NULL,           NULL,   0, "<Separator>"},
656
657 #define ENC_ACTION(action) \
658         NULL, compose_set_encoding_cb, action, \
659         "/Options/Character encoding/Automatic"
660
661         {N_("/_Options/Character _encoding"), NULL, NULL, 0, "<Branch>"},
662         {N_("/_Options/Character _encoding/_Automatic"),
663                         NULL, compose_set_encoding_cb, C_AUTO, "<RadioItem>"},
664         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
665
666         {N_("/_Options/Character _encoding/7bit ascii (US-ASC_II)"),
667          ENC_ACTION(C_US_ASCII)},
668         {N_("/_Options/Character _encoding/Unicode (_UTF-8)"),
669          ENC_ACTION(C_UTF_8)},
670         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
671
672         {N_("/_Options/Character _encoding/Western European (ISO-8859-_1)"),
673          ENC_ACTION(C_ISO_8859_1)},
674         {N_("/_Options/Character _encoding/Western European (ISO-8859-15)"),
675          ENC_ACTION(C_ISO_8859_15)},
676         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
677
678         {N_("/_Options/Character _encoding/Central European (ISO-8859-_2)"),
679          ENC_ACTION(C_ISO_8859_2)},
680         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
681
682         {N_("/_Options/Character _encoding/_Baltic (ISO-8859-13)"),
683          ENC_ACTION(C_ISO_8859_13)},
684         {N_("/_Options/Character _encoding/Baltic (ISO-8859-_4)"),
685          ENC_ACTION(C_ISO_8859_4)},
686         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
687
688         {N_("/_Options/Character _encoding/Greek (ISO-8859-_7)"),
689          ENC_ACTION(C_ISO_8859_7)},
690         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
691
692         {N_("/_Options/Character _encoding/Hebrew (ISO-8859-_8)"),
693          ENC_ACTION(C_ISO_8859_8)},
694         {N_("/_Options/Character _encoding/Hebrew (Windows-1255)"),
695          ENC_ACTION(C_WINDOWS_1255)},
696         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
697
698         {N_("/_Options/Character _encoding/Turkish (ISO-8859-_9)"),
699          ENC_ACTION(C_ISO_8859_9)},
700         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
701
702         {N_("/_Options/Character _encoding/Cyrillic (ISO-8859-_5)"),
703          ENC_ACTION(C_ISO_8859_5)},
704         {N_("/_Options/Character _encoding/Cyrillic (KOI8-_R)"),
705          ENC_ACTION(C_KOI8_R)},
706         {N_("/_Options/Character _encoding/Cyrillic (KOI8-U)"),
707          ENC_ACTION(C_KOI8_U)},
708         {N_("/_Options/Character _encoding/Cyrillic (Windows-1251)"),
709          ENC_ACTION(C_WINDOWS_1251)},
710         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
711
712         {N_("/_Options/Character _encoding/Japanese (ISO-2022-_JP)"),
713          ENC_ACTION(C_ISO_2022_JP)},
714         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
715
716         {N_("/_Options/Character _encoding/Simplified Chinese (_GB2312)"),
717          ENC_ACTION(C_GB2312)},
718         {N_("/_Options/Character _encoding/Simplified Chinese (GBK)"),
719          ENC_ACTION(C_GBK)},
720         {N_("/_Options/Character _encoding/Traditional Chinese (_Big5)"),
721          ENC_ACTION(C_BIG5)},
722         {N_("/_Options/Character _encoding/Traditional Chinese (EUC-_TW)"),
723          ENC_ACTION(C_EUC_TW)},
724         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
725
726         {N_("/_Options/Character _encoding/Korean (EUC-_KR)"),
727          ENC_ACTION(C_EUC_KR)},
728         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
729
730         {N_("/_Options/Character _encoding/Thai (TIS-620)"),
731          ENC_ACTION(C_TIS_620)},
732         {N_("/_Options/Character _encoding/Thai (Windows-874)"),
733          ENC_ACTION(C_WINDOWS_874)},
734
735         {N_("/_Tools"),                 NULL, NULL, 0, "<Branch>"},
736         {N_("/_Tools/Show _ruler"),     NULL, compose_toggle_ruler_cb, 0, "<ToggleItem>"},
737         {N_("/_Tools/_Address book"),   "<shift><control>A", compose_address_cb , 0, NULL},
738         {N_("/_Tools/_Template"),       NULL, NULL, 0, "<Branch>"},
739         {N_("/_Tools/Actio_ns"),        NULL, NULL, 0, "<Branch>"},
740         {N_("/_Help"),                  NULL, NULL, 0, "<Branch>"},
741         {N_("/_Help/_About"),           NULL, about_show, 0, NULL}
742 };
743
744 static GtkTargetEntry compose_mime_types[] =
745 {
746         {"text/uri-list", 0, 0},
747         {"text/plain", 0, 0},
748         {"STRING", 0, 0}
749 };
750
751 static gboolean compose_put_existing_to_front(MsgInfo *info)
752 {
753         GList *compose_list = compose_get_compose_list();
754         GList *elem = NULL;
755         
756         if (compose_list) {
757                 for (elem = compose_list; elem != NULL && elem->data != NULL; 
758                      elem = elem->next) {
759                         Compose *c = (Compose*)elem->data;
760
761                         if (!c->targetinfo || !c->targetinfo->msgid ||
762                             !info->msgid)
763                                 continue;
764
765                         if (!strcmp(c->targetinfo->msgid, info->msgid)) {
766                                 gtkut_window_popup(c->window);
767                                 return TRUE;
768                         }
769                 }
770         }
771         return FALSE;
772 }
773
774 static GdkColor quote_color = 
775         {(gulong)0, (gushort)0, (gushort)0, (gushort)0};
776
777 static GdkColor signature_color = {
778         (gulong)0,
779         (gushort)0x7fff,
780         (gushort)0x7fff,
781         (gushort)0x7fff
782 };
783
784 static GdkColor uri_color = {
785         (gulong)0,
786         (gushort)0,
787         (gushort)0,
788         (gushort)0
789 };
790
791 static void compose_create_tags(GtkTextView *text, Compose *compose)
792 {
793         GtkTextBuffer *buffer;
794         GdkColor black = {(gulong)0, (gushort)0, (gushort)0, (gushort)0};
795
796         buffer = gtk_text_view_get_buffer(text);
797         
798         if (prefs_common.enable_color) {
799                 /* grab the quote colors, converting from an int to a GdkColor */
800                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
801                                                &quote_color);
802                 gtkut_convert_int_to_gdk_color(prefs_common.signature_col,
803                                                &signature_color);
804                 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
805                                                &uri_color);
806         } else {
807                 signature_color = quote_color = uri_color = black;
808         }
809
810         gtk_text_buffer_create_tag(buffer, "quote",
811                                    "foreground-gdk", &quote_color,
812                                    NULL);
813         gtk_text_buffer_create_tag(buffer, "signature",
814                                    "foreground-gdk", &signature_color,
815                                    NULL);
816         gtk_text_buffer_create_tag(buffer, "link",
817                                          "foreground-gdk", &uri_color,
818                                          NULL);
819         compose->no_wrap_tag = gtk_text_buffer_create_tag(buffer, "no_wrap", NULL);
820 }
821
822 Compose *compose_new(PrefsAccount *account, const gchar *mailto,
823                      GPtrArray *attach_files)
824 {
825         return compose_generic_new(account, mailto, NULL, attach_files, NULL);
826 }
827
828 Compose *compose_new_with_folderitem(PrefsAccount *account, FolderItem *item)
829 {
830         return compose_generic_new(account, NULL, item, NULL, NULL);
831 }
832
833 Compose *compose_new_with_list( PrefsAccount *account, GList *listAddress )
834 {
835         return compose_generic_new( account, NULL, NULL, NULL, listAddress );
836 }
837
838 Compose *compose_generic_new(PrefsAccount *account, const gchar *mailto, FolderItem *item,
839                              GPtrArray *attach_files, GList *listAddress )
840 {
841         Compose *compose;
842         GtkTextView *textview;
843         GtkTextBuffer *textbuf;
844         GtkTextIter iter;
845         GtkItemFactory *ifactory;
846
847         if (item && item->prefs && item->prefs->enable_default_account)
848                 account = account_find_from_id(item->prefs->default_account);
849
850         if (!account) account = cur_account;
851         g_return_val_if_fail(account != NULL, NULL);
852
853         compose = compose_create(account, COMPOSE_NEW);
854         ifactory = gtk_item_factory_from_widget(compose->menubar);
855
856         compose->replyinfo = NULL;
857         compose->fwdinfo   = NULL;
858
859         textview = GTK_TEXT_VIEW(compose->text);
860         textbuf = gtk_text_view_get_buffer(textview);
861         compose_create_tags(textview, compose);
862
863         undo_block(compose->undostruct);
864 #ifdef USE_ASPELL
865         if (item && item->prefs && item->prefs->enable_default_dictionary &&
866             compose->gtkaspell) 
867                 gtkaspell_change_dict(compose->gtkaspell, 
868                     item->prefs->default_dictionary);
869 #endif
870
871         if (account->auto_sig)
872                 compose_insert_sig(compose, FALSE);
873         gtk_text_buffer_get_start_iter(textbuf, &iter);
874         gtk_text_buffer_place_cursor(textbuf, &iter);
875
876         if (account->protocol != A_NNTP) {
877                 if (mailto && *mailto != '\0') {
878                         compose_entries_set(compose, mailto);
879
880                 } else if (item && item->prefs->enable_default_to) {
881                         compose_entry_append(compose, item->prefs->default_to, COMPOSE_TO);
882                         compose_entry_mark_default_to(compose, item->prefs->default_to);
883                 }
884                 if (item && item->ret_rcpt) {
885                         menu_set_active(ifactory, "/Options/Request Return Receipt", TRUE);
886                 }
887         } else {
888                 if (mailto) {
889                         compose_entry_append(compose, mailto, COMPOSE_NEWSGROUPS);
890                 }
891                 /*
892                  * CLAWS: just don't allow return receipt request, even if the user
893                  * may want to send an email. simple but foolproof.
894                  */
895                 menu_set_sensitive(ifactory, "/Options/Request Return Receipt", FALSE); 
896         }
897         compose_add_field_list( compose, listAddress );
898
899         if (attach_files) {
900                 gint i;
901                 gchar *file;
902
903                 for (i = 0; i < attach_files->len; i++) {
904                         file = g_ptr_array_index(attach_files, i);
905                         compose_attach_append(compose, file, file, NULL);
906                 }
907         }
908
909         compose_show_first_last_header(compose, TRUE);
910
911         /* Set save folder */
912         if (item && item->prefs && item->prefs->save_copy_to_folder) {
913                 gchar *folderidentifier;
914
915                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), prefs_common.savemsg);
916                 folderidentifier = folder_item_get_identifier(item);
917                 gtk_entry_set_text(GTK_ENTRY(compose->savemsg_entry), folderidentifier);
918                 g_free(folderidentifier);
919         }
920         
921         gtk_widget_grab_focus(compose->header_last->entry);
922
923         undo_unblock(compose->undostruct);
924
925         if (prefs_common.auto_exteditor)
926                 compose_exec_ext_editor(compose);
927
928         compose_set_title(compose);
929         return compose;
930 }
931
932 static void compose_force_encryption(Compose *compose, PrefsAccount *account,
933                 gboolean override_pref)
934 {
935         gchar *privacy = NULL;
936
937         g_return_if_fail(compose != NULL);
938         g_return_if_fail(account != NULL);
939
940         if (override_pref == FALSE && account->default_encrypt_reply == FALSE)
941                 return;
942
943         if (account->default_privacy_system
944         &&  strlen(account->default_privacy_system)) {
945                 privacy = account->default_privacy_system;
946         } else {
947                 GSList *privacy_avail = privacy_get_system_ids();
948                 if (privacy_avail && g_slist_length(privacy_avail)) {
949                         privacy = (gchar *)(privacy_avail->data);
950                 }
951         }
952         if (privacy != NULL) {
953                 compose->privacy_system = g_strdup(privacy);
954                 compose_update_privacy_system_menu_item(compose, FALSE);
955                 compose_use_encryption(compose, TRUE);
956         }
957 }       
958
959 static void compose_force_signing(Compose *compose, PrefsAccount *account)
960 {
961         gchar *privacy = NULL;
962
963         if (account->default_privacy_system
964         &&  strlen(account->default_privacy_system)) {
965                 privacy = account->default_privacy_system;
966         } else {
967                 GSList *privacy_avail = privacy_get_system_ids();
968                 if (privacy_avail && g_slist_length(privacy_avail)) {
969                         privacy = (gchar *)(privacy_avail->data);
970                 }
971         }
972         if (privacy != NULL) {
973                 compose->privacy_system = g_strdup(privacy);
974                 compose_update_privacy_system_menu_item(compose, FALSE);
975                 compose_use_signing(compose, TRUE);
976         }
977 }       
978
979 Compose *compose_reply_mode(ComposeMode mode, GSList *msginfo_list, gchar *body)
980 {
981         MsgInfo *msginfo;
982         guint list_len;
983         Compose *compose = NULL;
984         g_return_val_if_fail(msginfo_list != NULL, NULL);
985
986         msginfo = (MsgInfo*)g_slist_nth_data(msginfo_list, 0);
987         g_return_val_if_fail(msginfo != NULL, NULL);
988
989         list_len = g_slist_length(msginfo_list);
990
991         switch (mode) {
992         case COMPOSE_REPLY:
993                 compose = compose_reply(msginfo, prefs_common.reply_with_quote,
994                               FALSE, prefs_common.default_reply_list, FALSE, body);
995                 break;
996         case COMPOSE_REPLY_WITH_QUOTE:
997                 compose = compose_reply(msginfo, TRUE, 
998                         FALSE, prefs_common.default_reply_list, FALSE, body);
999                 break;
1000         case COMPOSE_REPLY_WITHOUT_QUOTE:
1001                 compose = compose_reply(msginfo, FALSE, 
1002                         FALSE, prefs_common.default_reply_list, FALSE, NULL);
1003                 break;
1004         case COMPOSE_REPLY_TO_SENDER:
1005                 compose = compose_reply(msginfo, prefs_common.reply_with_quote,
1006                               FALSE, FALSE, TRUE, body);
1007                 break;
1008         case COMPOSE_FOLLOWUP_AND_REPLY_TO:
1009                 compose = compose_followup_and_reply_to(msginfo,
1010                                               prefs_common.reply_with_quote,
1011                                               FALSE, FALSE, body);
1012                 break;
1013         case COMPOSE_REPLY_TO_SENDER_WITH_QUOTE:
1014                 compose = compose_reply(msginfo, TRUE, 
1015                         FALSE, FALSE, TRUE, body);
1016                 break;
1017         case COMPOSE_REPLY_TO_SENDER_WITHOUT_QUOTE:
1018                 compose = compose_reply(msginfo, FALSE, 
1019                         FALSE, FALSE, TRUE, NULL);
1020                 break;
1021         case COMPOSE_REPLY_TO_ALL:
1022                 compose = compose_reply(msginfo, prefs_common.reply_with_quote,
1023                         TRUE, FALSE, FALSE, body);
1024                 break;
1025         case COMPOSE_REPLY_TO_ALL_WITH_QUOTE:
1026                 compose = compose_reply(msginfo, TRUE, 
1027                         TRUE, FALSE, FALSE, body);
1028                 break;
1029         case COMPOSE_REPLY_TO_ALL_WITHOUT_QUOTE:
1030                 compose = compose_reply(msginfo, FALSE, 
1031                         TRUE, FALSE, FALSE, NULL);
1032                 break;
1033         case COMPOSE_REPLY_TO_LIST:
1034                 compose = compose_reply(msginfo, prefs_common.reply_with_quote,
1035                         FALSE, TRUE, FALSE, body);
1036                 break;
1037         case COMPOSE_REPLY_TO_LIST_WITH_QUOTE:
1038                 compose = compose_reply(msginfo, TRUE, 
1039                         FALSE, TRUE, FALSE, body);
1040                 break;
1041         case COMPOSE_REPLY_TO_LIST_WITHOUT_QUOTE:
1042                 compose = compose_reply(msginfo, FALSE, 
1043                         FALSE, TRUE, FALSE, NULL);
1044                 break;
1045         case COMPOSE_FORWARD:
1046                 if (prefs_common.forward_as_attachment) {
1047                         compose = compose_reply_mode(COMPOSE_FORWARD_AS_ATTACH, msginfo_list, body);
1048                         return compose;
1049                 } else {
1050                         compose = compose_reply_mode(COMPOSE_FORWARD_INLINE, msginfo_list, body);
1051                         return compose;
1052                 }
1053                 break;
1054         case COMPOSE_FORWARD_INLINE:
1055                 /* check if we reply to more than one Message */
1056                 if (list_len == 1) {
1057                         compose = compose_forward(NULL, msginfo, FALSE, body, FALSE);
1058                         break;
1059                 } 
1060                 /* more messages FALL THROUGH */
1061         case COMPOSE_FORWARD_AS_ATTACH:
1062                 compose = compose_forward_multiple(NULL, msginfo_list);
1063                 break;
1064         case COMPOSE_REDIRECT:
1065                 compose = compose_redirect(NULL, msginfo);
1066                 break;
1067         default:
1068                 g_warning("compose_reply(): invalid Compose Mode: %d\n", mode);
1069         }
1070         return compose;
1071 }
1072
1073 Compose *compose_reply(MsgInfo *msginfo, gboolean quote, gboolean to_all,
1074                    gboolean to_ml, gboolean to_sender, 
1075                    const gchar *body)
1076 {
1077         return compose_generic_reply(msginfo, quote, to_all, to_ml, 
1078                               to_sender, FALSE, body);
1079 }
1080
1081 Compose *compose_followup_and_reply_to(MsgInfo *msginfo, gboolean quote,
1082                                    gboolean to_all,
1083                                    gboolean to_sender,
1084                                    const gchar *body)
1085 {
1086         return compose_generic_reply(msginfo, quote, to_all, FALSE, 
1087                               to_sender, TRUE, body);
1088 }
1089
1090 static void compose_extract_original_charset(Compose *compose)
1091 {
1092         MsgInfo *info = NULL;
1093         if (compose->replyinfo) {
1094                 info = compose->replyinfo;
1095         } else if (compose->fwdinfo) {
1096                 info = compose->fwdinfo;
1097         } else if (compose->targetinfo) {
1098                 info = compose->targetinfo;
1099         }
1100         if (info) {
1101                 MimeInfo *mimeinfo = procmime_scan_message(info);
1102                 MimeInfo *partinfo = mimeinfo;
1103                 while (partinfo && partinfo->type != MIMETYPE_TEXT)
1104                         partinfo = procmime_mimeinfo_next(partinfo);
1105                 if (partinfo) {
1106                         compose->orig_charset = 
1107                                 g_strdup(procmime_mimeinfo_get_parameter(
1108                                                 partinfo, "charset"));
1109                 }
1110                 procmime_mimeinfo_free_all(mimeinfo);
1111         }
1112 }
1113
1114 static Compose *compose_generic_reply(MsgInfo *msginfo, gboolean quote,
1115                                   gboolean to_all, gboolean to_ml,
1116                                   gboolean to_sender,
1117                                   gboolean followup_and_reply_to,
1118                                   const gchar *body)
1119 {
1120         GtkItemFactory *ifactory;
1121         Compose *compose;
1122         PrefsAccount *account = NULL;
1123         PrefsAccount *reply_account;
1124         GtkTextView *textview;
1125         GtkTextBuffer *textbuf;
1126         GtkTextIter iter;
1127         int cursor_pos;
1128
1129         g_return_val_if_fail(msginfo != NULL, NULL);
1130         g_return_val_if_fail(msginfo->folder != NULL, NULL);
1131
1132         account = account_get_reply_account(msginfo, prefs_common.reply_account_autosel);
1133         
1134         g_return_val_if_fail(account != NULL, NULL);
1135
1136         if (to_sender && account->protocol == A_NNTP &&
1137             !followup_and_reply_to) {
1138                 reply_account =
1139                         account_find_from_address(account->address);
1140                 if (!reply_account)
1141                         reply_account = compose_current_mail_account();
1142                 if (!reply_account)
1143                         return NULL;
1144         } else
1145                 reply_account = account;
1146
1147         compose = compose_create(account, COMPOSE_REPLY);
1148         ifactory = gtk_item_factory_from_widget(compose->menubar);
1149
1150         menu_set_active(ifactory, "/Options/Remove references", FALSE);
1151         menu_set_sensitive(ifactory, "/Options/Remove references", TRUE);
1152
1153         compose->replyinfo = procmsg_msginfo_get_full_info(msginfo);
1154
1155         if (!compose->replyinfo)
1156                 compose->replyinfo = procmsg_msginfo_copy(msginfo);
1157         
1158         compose_extract_original_charset(compose);
1159         
1160         if (msginfo->folder && msginfo->folder->ret_rcpt)
1161                 menu_set_active(ifactory, "/Options/Request Return Receipt", TRUE);
1162
1163         /* Set save folder */
1164         if (msginfo->folder && msginfo->folder->prefs && msginfo->folder->prefs->save_copy_to_folder) {
1165                 gchar *folderidentifier;
1166
1167                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), TRUE);
1168                 folderidentifier = folder_item_get_identifier(msginfo->folder);
1169                 gtk_entry_set_text(GTK_ENTRY(compose->savemsg_entry), folderidentifier);
1170                 g_free(folderidentifier);
1171         }
1172
1173         if (compose_parse_header(compose, msginfo) < 0) return NULL;
1174         compose_reply_set_entry(compose, msginfo, to_all, to_ml, 
1175                                 to_sender, followup_and_reply_to);
1176         compose_show_first_last_header(compose, TRUE);
1177
1178         textview = (GTK_TEXT_VIEW(compose->text));
1179         textbuf = gtk_text_view_get_buffer(textview);
1180         compose_create_tags(textview, compose);
1181
1182         undo_block(compose->undostruct);
1183 #ifdef USE_ASPELL
1184         if (msginfo->folder && msginfo->folder->prefs && 
1185             msginfo->folder->prefs && 
1186             msginfo->folder->prefs->enable_default_dictionary &&
1187             compose->gtkaspell)
1188                 gtkaspell_change_dict(compose->gtkaspell, 
1189                     msginfo->folder->prefs->default_dictionary);
1190 #endif
1191
1192         if (quote) {
1193                 gchar *qmark;
1194
1195                 if (prefs_common.quotemark && *prefs_common.quotemark)
1196                         qmark = prefs_common.quotemark;
1197                 else
1198                         qmark = "> ";
1199
1200                 compose_quote_fmt(compose, compose->replyinfo,
1201                                   prefs_common.quotefmt,
1202                                   qmark, body);
1203         }
1204         if (procmime_msginfo_is_encrypted(compose->replyinfo)) {
1205                 compose_force_encryption(compose, account, FALSE);
1206         }
1207
1208         if (account->auto_sig)
1209                 compose_insert_sig(compose, FALSE);
1210
1211         cursor_pos = quote_fmt_get_cursor_pos();
1212         gtk_text_buffer_get_start_iter(textbuf, &iter);
1213         gtk_text_buffer_get_iter_at_offset(textbuf, &iter, cursor_pos);
1214         gtk_text_buffer_place_cursor(textbuf, &iter);
1215         
1216         compose_wrap_all(compose);
1217
1218         gtk_widget_grab_focus(compose->text);
1219
1220         undo_unblock(compose->undostruct);
1221
1222         if (prefs_common.auto_exteditor)
1223                 compose_exec_ext_editor(compose);
1224                 
1225         compose_set_title(compose);
1226         return compose;
1227 }
1228
1229 #define INSERT_FW_HEADER(var, hdr) \
1230 if (msginfo->var && *msginfo->var) { \
1231         gtk_stext_insert(text, NULL, NULL, NULL, hdr, -1); \
1232         gtk_stext_insert(text, NULL, NULL, NULL, msginfo->var, -1); \
1233         gtk_stext_insert(text, NULL, NULL, NULL, "\n", 1); \
1234 }
1235
1236 Compose *compose_forward(PrefsAccount *account, MsgInfo *msginfo,
1237                          gboolean as_attach, const gchar *body,
1238                          gboolean no_extedit)
1239 {
1240         Compose *compose;
1241         GtkTextView *textview;
1242         GtkTextBuffer *textbuf;
1243         GtkTextIter iter;
1244
1245         g_return_val_if_fail(msginfo != NULL, NULL);
1246         g_return_val_if_fail(msginfo->folder != NULL, NULL);
1247
1248         if (!account && 
1249             !(account = compose_guess_forward_account_from_msginfo
1250                                 (msginfo)))
1251                 account = cur_account;
1252
1253         compose = compose_create(account, COMPOSE_FORWARD);
1254
1255         compose->fwdinfo = procmsg_msginfo_get_full_info(msginfo);
1256         if (!compose->fwdinfo)
1257                 compose->fwdinfo = procmsg_msginfo_copy(msginfo);
1258
1259         compose_extract_original_charset(compose);
1260
1261         if (msginfo->subject && *msginfo->subject) {
1262                 gchar *buf, *buf2, *p;
1263
1264                 buf = p = g_strdup(msginfo->subject);
1265                 p += subject_get_prefix_length(p);
1266                 memmove(buf, p, strlen(p) + 1);
1267
1268                 buf2 = g_strdup_printf("Fw: %s", buf);
1269                 gtk_entry_set_text(GTK_ENTRY(compose->subject_entry), buf2);
1270                 
1271                 g_free(buf);
1272                 g_free(buf2);
1273         }
1274
1275         textview = GTK_TEXT_VIEW(compose->text);
1276         textbuf = gtk_text_view_get_buffer(textview);
1277         compose_create_tags(textview, compose);
1278
1279         if (as_attach) {
1280                 gchar *msgfile;
1281
1282                 msgfile = procmsg_get_message_file_path(msginfo);
1283                 if (!is_file_exist(msgfile))
1284                         g_warning("%s: file not exist\n", msgfile);
1285                 else
1286                         compose_attach_append(compose, msgfile, msgfile,
1287                                               "message/rfc822");
1288
1289                 g_free(msgfile);
1290         } else {
1291                 gchar *qmark;
1292                 MsgInfo *full_msginfo;
1293
1294                 full_msginfo = procmsg_msginfo_get_full_info(msginfo);
1295                 if (!full_msginfo)
1296                         full_msginfo = procmsg_msginfo_copy(msginfo);
1297
1298                 if (prefs_common.fw_quotemark &&
1299                     *prefs_common.fw_quotemark)
1300                         qmark = prefs_common.fw_quotemark;
1301                 else
1302                         qmark = "> ";
1303
1304                 compose_quote_fmt(compose, full_msginfo,
1305                                   prefs_common.fw_quotefmt,
1306                                   qmark, body);
1307                 compose_attach_parts(compose, msginfo);
1308
1309                 procmsg_msginfo_free(full_msginfo);
1310         }
1311
1312         if (account->auto_sig)
1313                 compose_insert_sig(compose, FALSE);
1314
1315         compose_wrap_all(compose);
1316
1317         gtk_text_buffer_get_start_iter(textbuf, &iter);
1318         gtk_text_buffer_place_cursor(textbuf, &iter);
1319
1320         gtk_widget_grab_focus(compose->header_last->entry);
1321
1322         if (!no_extedit && prefs_common.auto_exteditor)
1323                 compose_exec_ext_editor(compose);
1324         
1325         /*save folder*/
1326         if (msginfo->folder && msginfo->folder->prefs && msginfo->folder->prefs->save_copy_to_folder) {
1327                 gchar *folderidentifier;
1328
1329                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), TRUE);
1330                 folderidentifier = folder_item_get_identifier(msginfo->folder);
1331                 gtk_entry_set_text(GTK_ENTRY(compose->savemsg_entry), folderidentifier);
1332                 g_free(folderidentifier);
1333         }
1334
1335         compose_set_title(compose);
1336         return compose;
1337 }
1338
1339 #undef INSERT_FW_HEADER
1340
1341 Compose *compose_forward_multiple(PrefsAccount *account, GSList *msginfo_list)
1342 {
1343         Compose *compose;
1344         GtkTextView *textview;
1345         GtkTextBuffer *textbuf;
1346         GtkTextIter iter;
1347         GSList *msginfo;
1348         gchar *msgfile;
1349         gboolean single_mail = TRUE;
1350         
1351         g_return_val_if_fail(msginfo_list != NULL, NULL);
1352
1353         if (g_slist_length(msginfo_list) > 1)
1354                 single_mail = FALSE;
1355
1356         for (msginfo = msginfo_list; msginfo != NULL; msginfo = msginfo->next)
1357                 if (((MsgInfo *)msginfo->data)->folder == NULL)
1358                         return NULL;
1359
1360         /* guess account from first selected message */
1361         if (!account && 
1362             !(account = compose_guess_forward_account_from_msginfo
1363                                 (msginfo_list->data)))
1364                 account = cur_account;
1365
1366         g_return_val_if_fail(account != NULL, NULL);
1367
1368         for (msginfo = msginfo_list; msginfo != NULL; msginfo = msginfo->next) {
1369                 MSG_UNSET_PERM_FLAGS(((MsgInfo *)msginfo->data)->flags, MSG_REPLIED);
1370                 MSG_SET_PERM_FLAGS(((MsgInfo *)msginfo->data)->flags, MSG_FORWARDED);
1371         }
1372
1373         compose = compose_create(account, COMPOSE_FORWARD);
1374
1375         textview = GTK_TEXT_VIEW(compose->text);
1376         textbuf = gtk_text_view_get_buffer(textview);
1377         compose_create_tags(textview, compose);
1378
1379         for (msginfo = msginfo_list; msginfo != NULL; msginfo = msginfo->next) {
1380                 msgfile = procmsg_get_message_file_path((MsgInfo *)msginfo->data);
1381                 if (!is_file_exist(msgfile))
1382                         g_warning("%s: file not exist\n", msgfile);
1383                 else
1384                         compose_attach_append(compose, msgfile, msgfile,
1385                                 "message/rfc822");
1386                 g_free(msgfile);
1387         }
1388         
1389         if (single_mail) {
1390                 MsgInfo *info = (MsgInfo *)msginfo_list->data;
1391                 if (info->subject && *info->subject) {
1392                         gchar *buf, *buf2, *p;
1393
1394                         buf = p = g_strdup(info->subject);
1395                         p += subject_get_prefix_length(p);
1396                         memmove(buf, p, strlen(p) + 1);
1397
1398                         buf2 = g_strdup_printf("Fw: %s", buf);
1399                         gtk_entry_set_text(GTK_ENTRY(compose->subject_entry), buf2);
1400
1401                         g_free(buf);
1402                         g_free(buf2);
1403                 }
1404         } else {
1405                 gtk_entry_set_text(GTK_ENTRY(compose->subject_entry),
1406                         _("Fw: multiple emails"));
1407         }
1408
1409         if (account->auto_sig)
1410                 compose_insert_sig(compose, FALSE);
1411
1412         compose_wrap_all(compose);
1413
1414         gtk_text_buffer_get_start_iter(textbuf, &iter);
1415         gtk_text_buffer_place_cursor(textbuf, &iter);
1416
1417         gtk_widget_grab_focus(compose->header_last->entry);
1418         
1419         compose_set_title(compose);
1420         return compose;
1421 }
1422
1423 static gboolean compose_is_sig_separator(Compose *compose, GtkTextBuffer *textbuf, GtkTextIter *iter) 
1424 {
1425         GtkTextIter start = *iter;
1426         GtkTextIter end_iter;
1427         int start_pos = gtk_text_iter_get_offset(&start);
1428
1429         if (!compose->account->sig_sep)
1430                 return FALSE;
1431         
1432         gtk_text_buffer_get_iter_at_offset(textbuf, &end_iter,
1433                 start_pos+strlen(compose->account->sig_sep));
1434
1435         /* check sig separator */
1436         if (!strcmp(gtk_text_iter_get_text(&start, &end_iter),
1437                         compose->account->sig_sep)) {
1438                 /* check end of line (\n) */
1439                 gtk_text_buffer_get_iter_at_offset(textbuf, &start,
1440                         start_pos+strlen(compose->account->sig_sep));
1441                 gtk_text_buffer_get_iter_at_offset(textbuf, &end_iter,
1442                         start_pos+strlen(compose->account->sig_sep)+1);
1443
1444                 if (!strcmp(gtk_text_iter_get_text(&start, &end_iter),"\n"));
1445                         return TRUE;
1446                 
1447
1448         }
1449
1450         return FALSE;
1451 }
1452
1453 static void compose_colorize_signature(Compose *compose)
1454 {
1455         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(compose->text));
1456         GtkTextIter iter;
1457         GtkTextIter end_iter;
1458         gtk_text_buffer_get_start_iter(buffer, &iter);
1459         while (gtk_text_iter_forward_line(&iter))
1460                 if (compose_is_sig_separator(compose, buffer, &iter)) {
1461                         gtk_text_buffer_get_end_iter(buffer, &end_iter);
1462                         gtk_text_buffer_apply_tag_by_name(buffer,"signature",&iter, &end_iter);
1463                 }
1464 }
1465
1466 void compose_reedit(MsgInfo *msginfo)
1467 {
1468         Compose *compose = NULL;
1469         PrefsAccount *account = NULL;
1470         GtkTextView *textview;
1471         GtkTextBuffer *textbuf;
1472         GtkTextMark *mark;
1473         GtkTextIter iter;
1474         FILE *fp;
1475         gchar buf[BUFFSIZE];
1476         gboolean use_signing = FALSE;
1477         gboolean use_encryption = FALSE;
1478         gchar *privacy_system = NULL;
1479
1480         g_return_if_fail(msginfo != NULL);
1481         g_return_if_fail(msginfo->folder != NULL);
1482
1483         if (compose_put_existing_to_front(msginfo)) 
1484                 return;
1485
1486         if (folder_has_parent_of_type(msginfo->folder, F_QUEUE) ||
1487             folder_has_parent_of_type(msginfo->folder, F_DRAFT)) {
1488                 gchar queueheader_buf[BUFFSIZE];
1489                 gint id, param;
1490
1491                 /* Select Account from queue headers */
1492                 if (!procheader_get_header_from_msginfo(msginfo, queueheader_buf, 
1493                                              sizeof(queueheader_buf), "X-Sylpheed-Account-Id:")) {
1494                         id = atoi(&queueheader_buf[strlen("X-Sylpheed-Account-Id:")]);
1495                         account = account_find_from_id(id);
1496                 }
1497                 if (!account && !procheader_get_header_from_msginfo(msginfo, queueheader_buf, 
1498                                              sizeof(queueheader_buf), "NAID:")) {
1499                         id = atoi(&queueheader_buf[strlen("NAID:")]);
1500                         account = account_find_from_id(id);
1501                 }
1502                 if (!account && !procheader_get_header_from_msginfo(msginfo, queueheader_buf, 
1503                                                     sizeof(queueheader_buf), "MAID:")) {
1504                         id = atoi(&queueheader_buf[strlen("MAID:")]);
1505                         account = account_find_from_id(id);
1506                 }
1507                 if (!account && !procheader_get_header_from_msginfo(msginfo, queueheader_buf, 
1508                                                                 sizeof(queueheader_buf), "S:")) {
1509                         account = account_find_from_address(queueheader_buf);
1510                 }
1511                 if (!procheader_get_header_from_msginfo(msginfo, queueheader_buf, 
1512                                              sizeof(queueheader_buf), "X-Sylpheed-Sign:")) {
1513                         param = atoi(&queueheader_buf[strlen("X-Sylpheed-Sign:")]);
1514                         use_signing = param;
1515                         
1516                 }
1517                 if (!procheader_get_header_from_msginfo(msginfo, queueheader_buf, 
1518                                              sizeof(queueheader_buf), "X-Sylpheed-Encrypt:")) {
1519                         param = atoi(&queueheader_buf[strlen("X-Sylpheed-Encrypt:")]);
1520                         use_encryption = param;
1521                 }
1522                 if (!procheader_get_header_from_msginfo(msginfo, queueheader_buf, 
1523                                             sizeof(queueheader_buf), "X-Sylpheed-Privacy-System:")) {
1524                         privacy_system = g_strdup(&queueheader_buf[strlen("X-Sylpheed-Privacy-System:")]);
1525                 }
1526                 if (!procheader_get_header_from_msginfo(msginfo, queueheader_buf, 
1527                                              sizeof(queueheader_buf), "X-Priority: ")) {
1528                         param = atoi(&queueheader_buf[strlen("X-Priority: ")]); /* mind the space */
1529                         compose->priority = param;
1530                 }
1531         } else 
1532                 account = msginfo->folder->folder->account;
1533
1534         if (!account && prefs_common.reedit_account_autosel) {
1535                 gchar from[BUFFSIZE];
1536                 if (!procheader_get_header_from_msginfo(msginfo, from, sizeof(from), "FROM:")){
1537                         extract_address(from);
1538                         account = account_find_from_address(from);
1539                 }
1540         }
1541         if (!account) account = cur_account;
1542         g_return_if_fail(account != NULL);
1543
1544         compose = compose_create(account, COMPOSE_REEDIT);
1545         if (privacy_system != NULL) {
1546                 compose->privacy_system = privacy_system;
1547                 compose_use_signing(compose, use_signing);
1548                 compose_use_encryption(compose, use_encryption);
1549                 compose_update_privacy_system_menu_item(compose, FALSE);
1550         } else {
1551                 activate_privacy_system(compose, account, FALSE);
1552         }
1553         compose->targetinfo = procmsg_msginfo_copy(msginfo);
1554
1555         compose_extract_original_charset(compose);
1556
1557         if (folder_has_parent_of_type(msginfo->folder, F_QUEUE) ||
1558             folder_has_parent_of_type(msginfo->folder, F_DRAFT)) {
1559                 gchar queueheader_buf[BUFFSIZE];
1560
1561                 /* Set message save folder */
1562                 if (!procheader_get_header_from_msginfo(msginfo, queueheader_buf, sizeof(queueheader_buf), "SCF:")) {
1563                         gint startpos = 0;
1564
1565                         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), TRUE);
1566                         gtk_editable_delete_text(GTK_EDITABLE(compose->savemsg_entry), 0, -1);
1567                         gtk_editable_insert_text(GTK_EDITABLE(compose->savemsg_entry), &queueheader_buf[4], strlen(&queueheader_buf[4]), &startpos);
1568                 }
1569         }
1570         
1571         if (compose_parse_header(compose, msginfo) < 0) return;
1572         compose_reedit_set_entry(compose, msginfo);
1573
1574         textview = GTK_TEXT_VIEW(compose->text);
1575         textbuf = gtk_text_view_get_buffer(textview);
1576         compose_create_tags(textview, compose);
1577
1578         mark = gtk_text_buffer_get_insert(textbuf);
1579         gtk_text_buffer_get_iter_at_mark(textbuf, &iter, mark);
1580
1581         g_signal_handlers_block_by_func(G_OBJECT(textbuf),
1582                                         G_CALLBACK(compose_changed_cb),
1583                                         compose);
1584         
1585         if (procmime_msginfo_is_encrypted(msginfo)) {
1586                 fp = procmime_get_first_encrypted_text_content(msginfo);
1587                 if (fp) 
1588                         compose_force_encryption(compose, account, TRUE);
1589         } else
1590                 fp = procmime_get_first_text_content(msginfo);
1591         if (fp == NULL)
1592                 g_warning("Can't get text part\n");
1593
1594         if (fp != NULL) {
1595                 gboolean prev_autowrap = compose->autowrap;
1596
1597                 compose->autowrap = FALSE;
1598                 while (fgets(buf, sizeof(buf), fp) != NULL) {
1599                         strcrchomp(buf);
1600                         gtk_text_buffer_insert(textbuf, &iter, buf, -1);
1601                 }
1602                 compose_wrap_all_full(compose, FALSE);
1603                 compose->autowrap = prev_autowrap;
1604                 fclose(fp);
1605         }
1606         
1607         compose_attach_parts(compose, msginfo);
1608
1609         compose_colorize_signature(compose);
1610
1611         g_signal_handlers_unblock_by_func(G_OBJECT(textbuf),
1612                                         G_CALLBACK(compose_changed_cb),
1613                                         compose);
1614
1615         gtk_widget_grab_focus(compose->text);
1616
1617         if (prefs_common.auto_exteditor)
1618                 compose_exec_ext_editor(compose);
1619         compose_set_title(compose);
1620 }
1621
1622 Compose *compose_redirect(PrefsAccount *account, MsgInfo *msginfo)
1623 {
1624         Compose *compose;
1625         gchar *filename;
1626         GtkItemFactory *ifactory;
1627         FolderItem *item;
1628
1629         g_return_val_if_fail(msginfo != NULL, NULL);
1630
1631         if (!account)
1632                 account = account_get_reply_account(msginfo,
1633                                         prefs_common.reply_account_autosel);
1634         g_return_val_if_fail(account != NULL, NULL);
1635
1636         compose = compose_create(account, COMPOSE_REDIRECT);
1637         ifactory = gtk_item_factory_from_widget(compose->menubar);
1638         compose_create_tags(GTK_TEXT_VIEW(compose->text), compose);
1639         compose->replyinfo = NULL;
1640         compose->fwdinfo = NULL;
1641
1642         compose_show_first_last_header(compose, TRUE);
1643
1644         gtk_widget_grab_focus(compose->header_last->entry);
1645
1646         filename = procmsg_get_message_file_path(msginfo);
1647         if (filename == NULL)
1648                 return NULL;
1649
1650         compose->redirect_filename = filename;
1651         
1652         /* Set save folder */
1653         item = msginfo->folder;
1654         if (item && item->prefs && item->prefs->save_copy_to_folder) {
1655                 gchar *folderidentifier;
1656
1657                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), prefs_common.savemsg);
1658                 folderidentifier = folder_item_get_identifier(item);
1659                 gtk_entry_set_text(GTK_ENTRY(compose->savemsg_entry), folderidentifier);
1660                 g_free(folderidentifier);
1661         }
1662
1663         compose_attach_parts(compose, msginfo);
1664
1665         if (msginfo->subject)
1666                 gtk_entry_set_text(GTK_ENTRY(compose->subject_entry),
1667                                    msginfo->subject);
1668         gtk_editable_set_editable(GTK_EDITABLE(compose->subject_entry), FALSE);
1669
1670         compose_quote_fmt(compose, msginfo, "%M", NULL, NULL);
1671         gtk_text_view_set_editable(GTK_TEXT_VIEW(compose->text), FALSE);
1672
1673         compose_colorize_signature(compose);
1674
1675         ifactory = gtk_item_factory_from_widget(compose->popupmenu);
1676         menu_set_sensitive(ifactory, "/Add...", FALSE);
1677         menu_set_sensitive(ifactory, "/Remove", FALSE);
1678         menu_set_sensitive(ifactory, "/Properties...", FALSE);
1679
1680         ifactory = gtk_item_factory_from_widget(compose->menubar);
1681         menu_set_sensitive(ifactory, "/Message/Save", FALSE);
1682         menu_set_sensitive(ifactory, "/Message/Insert file", FALSE);
1683         menu_set_sensitive(ifactory, "/Message/Attach file", FALSE);
1684         menu_set_sensitive(ifactory, "/Message/Insert signature", FALSE);
1685         menu_set_sensitive(ifactory, "/Edit", FALSE);
1686         menu_set_sensitive(ifactory, "/Options", FALSE);
1687         menu_set_sensitive(ifactory, "/Tools/Show ruler", FALSE);
1688         menu_set_sensitive(ifactory, "/Tools/Actions", FALSE);
1689         
1690         gtk_widget_set_sensitive(compose->toolbar->draft_btn, FALSE);
1691         gtk_widget_set_sensitive(compose->toolbar->insert_btn, FALSE);
1692         gtk_widget_set_sensitive(compose->toolbar->attach_btn, FALSE);
1693         gtk_widget_set_sensitive(compose->toolbar->sig_btn, FALSE);
1694         gtk_widget_set_sensitive(compose->toolbar->exteditor_btn, FALSE);
1695         gtk_widget_set_sensitive(compose->toolbar->linewrap_current_btn, FALSE);
1696         gtk_widget_set_sensitive(compose->toolbar->linewrap_all_btn, FALSE);
1697
1698         compose_set_title(compose);
1699         return compose;
1700 }
1701
1702 GList *compose_get_compose_list(void)
1703 {
1704         return compose_list;
1705 }
1706
1707 void compose_entry_append(Compose *compose, const gchar *address,
1708                           ComposeEntryType type)
1709 {
1710         gchar *header;
1711         gchar *cur, *begin;
1712         gboolean in_quote = FALSE;
1713         if (!address || *address == '\0') return;
1714
1715         switch (type) {
1716         case COMPOSE_CC:
1717                 header = N_("Cc:");
1718                 break;
1719         case COMPOSE_BCC:
1720                 header = N_("Bcc:");
1721                 break;
1722         case COMPOSE_REPLYTO:
1723                 header = N_("Reply-To:");
1724                 break;
1725         case COMPOSE_NEWSGROUPS:
1726                 header = N_("Newsgroups:");
1727                 break;
1728         case COMPOSE_FOLLOWUPTO:
1729                 header = N_( "Followup-To:");
1730                 break;
1731         case COMPOSE_TO:
1732         default:
1733                 header = N_("To:");
1734                 break;
1735         }
1736         header = prefs_common.trans_hdr ? gettext(header) : header;
1737         
1738         cur = begin = (gchar *)address;
1739         
1740         /* we separate the line by commas, but not if we're inside a quoted
1741          * string */
1742         while (*cur != '\0') {
1743                 if (*cur == '"') 
1744                         in_quote = !in_quote;
1745                 if (*cur == ',' && !in_quote) {
1746                         gchar *tmp = g_strdup(begin);
1747                         gchar *o_tmp = tmp;
1748                         tmp[cur-begin]='\0';
1749                         cur++;
1750                         begin = cur;
1751                         while (*tmp == ' ')
1752                                 tmp++;
1753                         compose_add_header_entry(compose, header, tmp);
1754                         g_free(o_tmp);
1755                         continue;
1756                 }
1757                 cur++;
1758         }
1759         if (begin < cur) {
1760                 gchar *tmp = g_strdup(begin);
1761                 gchar *o_tmp = tmp;
1762                 tmp[cur-begin]='\0';
1763                 cur++;
1764                 begin = cur;
1765                 while (*tmp == ' ')
1766                         tmp++;
1767                 compose_add_header_entry(compose, header, tmp);
1768                 g_free(o_tmp);          
1769         }
1770 }
1771
1772 void compose_entry_mark_default_to(Compose *compose, const gchar *mailto)
1773 {
1774         static GtkStyle *bold_style = NULL;
1775         static GdkColor bold_color;
1776         GSList *h_list;
1777         GtkEntry *entry;
1778                 
1779         for (h_list = compose->header_list; h_list != NULL; h_list = h_list->next) {
1780                 entry = GTK_ENTRY(((ComposeHeaderEntry *)h_list->data)->entry);
1781                 if (gtk_entry_get_text(entry) && 
1782                     !g_utf8_collate(gtk_entry_get_text(entry), mailto)) {
1783                         gtk_widget_ensure_style(GTK_WIDGET(entry));
1784                         if (!bold_style) {
1785                                 gtkut_convert_int_to_gdk_color
1786                                         (prefs_common.color_new, &bold_color);
1787                                 bold_style = gtk_style_copy(gtk_widget_get_style
1788                                         (GTK_WIDGET(entry)));
1789                                 pango_font_description_set_weight
1790                                         (bold_style->font_desc, PANGO_WEIGHT_BOLD);
1791                                 bold_style->fg[GTK_STATE_NORMAL] = bold_color;
1792                         }
1793                         gtk_widget_set_style(GTK_WIDGET(entry), bold_style);
1794                 }
1795         }
1796 }
1797
1798 void compose_toolbar_cb(gint action, gpointer data)
1799 {
1800         ToolbarItem *toolbar_item = (ToolbarItem*)data;
1801         Compose *compose = (Compose*)toolbar_item->parent;
1802         
1803         g_return_if_fail(compose != NULL);
1804
1805         switch(action) {
1806         case A_SEND:
1807                 compose_send_cb(compose, 0, NULL);
1808                 break;
1809         case A_SENDL:
1810                 compose_send_later_cb(compose, 0, NULL);
1811                 break;
1812         case A_DRAFT:
1813                 compose_draft_cb(compose, COMPOSE_QUIT_EDITING, NULL);
1814                 break;
1815         case A_INSERT:
1816                 compose_insert_file_cb(compose, 0, NULL);
1817                 break;
1818         case A_ATTACH:
1819                 compose_attach_cb(compose, 0, NULL);
1820                 break;
1821         case A_SIG:
1822                 compose_insert_sig(compose, FALSE);
1823                 break;
1824         case A_EXTEDITOR:
1825                 compose_ext_editor_cb(compose, 0, NULL);
1826                 break;
1827         case A_LINEWRAP_CURRENT:
1828                 compose_beautify_paragraph(compose, NULL, TRUE);
1829                 break;
1830         case A_LINEWRAP_ALL:
1831                 compose_wrap_all_full(compose, TRUE);
1832                 break;
1833         case A_ADDRBOOK:
1834                 compose_address_cb(compose, 0, NULL);
1835                 break;
1836 #ifdef USE_ASPELL
1837         case A_CHECK_SPELLING:
1838                 compose_check_all(compose);
1839                 break;
1840 #endif
1841         default:
1842                 break;
1843         }
1844 }
1845
1846 static void compose_entries_set(Compose *compose, const gchar *mailto)
1847 {
1848         gchar *to = NULL;
1849         gchar *cc = NULL;
1850         gchar *subject = NULL;
1851         gchar *body = NULL;
1852         gchar *temp = NULL;
1853         gint  len = 0;
1854
1855         scan_mailto_url(mailto, &to, &cc, NULL, &subject, &body);
1856
1857         if (to)
1858                 compose_entry_append(compose, to, COMPOSE_TO);
1859         if (cc)
1860                 compose_entry_append(compose, cc, COMPOSE_CC);
1861         if (subject) {
1862                 if (!g_utf8_validate (subject, -1, NULL)) {
1863                         temp = g_locale_to_utf8 (subject, -1, NULL, &len, NULL);
1864                         gtk_entry_set_text(GTK_ENTRY(compose->subject_entry), temp);
1865                         g_free(temp);
1866                 } else {
1867                         gtk_entry_set_text(GTK_ENTRY(compose->subject_entry), subject);
1868                 }
1869         }
1870         if (body) {
1871                 GtkTextView *text = GTK_TEXT_VIEW(compose->text);
1872                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1873                 GtkTextMark *mark;
1874                 GtkTextIter iter;
1875                 gboolean prev_autowrap = compose->autowrap;
1876
1877                 compose->autowrap = FALSE;
1878
1879                 mark = gtk_text_buffer_get_insert(buffer);
1880                 gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
1881
1882                 if (!g_utf8_validate (body, -1, NULL)) {
1883                         temp = g_locale_to_utf8 (body, -1, NULL, &len, NULL);
1884                         gtk_text_buffer_insert(buffer, &iter, temp, -1);
1885                         g_free(temp);
1886                 } else {
1887                         gtk_text_buffer_insert(buffer, &iter, body, -1);
1888                 }
1889                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
1890
1891                 compose->autowrap = prev_autowrap;
1892                 if (compose->autowrap)
1893                         compose_wrap_all(compose);
1894         }
1895
1896         g_free(to);
1897         g_free(cc);
1898         g_free(subject);
1899         g_free(body);
1900 }
1901
1902 static gint compose_parse_header(Compose *compose, MsgInfo *msginfo)
1903 {
1904         static HeaderEntry hentry[] = {{"Reply-To:",    NULL, TRUE},
1905                                        {"Cc:",          NULL, TRUE},
1906                                        {"References:",  NULL, FALSE},
1907                                        {"Bcc:",         NULL, TRUE},
1908                                        {"Newsgroups:",  NULL, TRUE},
1909                                        {"Followup-To:", NULL, TRUE},
1910                                        {"List-Post:",   NULL, FALSE},
1911                                        {"X-Priority:",  NULL, FALSE},
1912                                        {NULL,           NULL, FALSE}};
1913
1914         enum
1915         {
1916                 H_REPLY_TO      = 0,
1917                 H_CC            = 1,
1918                 H_REFERENCES    = 2,
1919                 H_BCC           = 3,
1920                 H_NEWSGROUPS    = 4,
1921                 H_FOLLOWUP_TO   = 5,
1922                 H_LIST_POST     = 6,
1923                 H_X_PRIORITY    = 7
1924         };
1925
1926         FILE *fp;
1927
1928         g_return_val_if_fail(msginfo != NULL, -1);
1929
1930         if ((fp = procmsg_open_message(msginfo)) == NULL) return -1;
1931         procheader_get_header_fields(fp, hentry);
1932         fclose(fp);
1933
1934         if (hentry[H_REPLY_TO].body != NULL) {
1935                 if (hentry[H_REPLY_TO].body[0] != '\0') {
1936                         compose->replyto =
1937                                 conv_unmime_header(hentry[H_REPLY_TO].body,
1938                                                    NULL);
1939                 }
1940                 g_free(hentry[H_REPLY_TO].body);
1941                 hentry[H_REPLY_TO].body = NULL;
1942         }
1943         if (hentry[H_CC].body != NULL) {
1944                 compose->cc = conv_unmime_header(hentry[H_CC].body, NULL);
1945                 g_free(hentry[H_CC].body);
1946                 hentry[H_CC].body = NULL;
1947         }
1948         if (hentry[H_REFERENCES].body != NULL) {
1949                 if (compose->mode == COMPOSE_REEDIT)
1950                         compose->references = hentry[H_REFERENCES].body;
1951                 else {
1952                         compose->references = compose_parse_references
1953                                 (hentry[H_REFERENCES].body, msginfo->msgid);
1954                         g_free(hentry[H_REFERENCES].body);
1955                 }
1956                 hentry[H_REFERENCES].body = NULL;
1957         }
1958         if (hentry[H_BCC].body != NULL) {
1959                 if (compose->mode == COMPOSE_REEDIT)
1960                         compose->bcc =
1961                                 conv_unmime_header(hentry[H_BCC].body, NULL);
1962                 g_free(hentry[H_BCC].body);
1963                 hentry[H_BCC].body = NULL;
1964         }
1965         if (hentry[H_NEWSGROUPS].body != NULL) {
1966                 compose->newsgroups = hentry[H_NEWSGROUPS].body;
1967                 hentry[H_NEWSGROUPS].body = NULL;
1968         }
1969         if (hentry[H_FOLLOWUP_TO].body != NULL) {
1970                 if (hentry[H_FOLLOWUP_TO].body[0] != '\0') {
1971                         compose->followup_to =
1972                                 conv_unmime_header(hentry[H_FOLLOWUP_TO].body,
1973                                                    NULL);
1974                 }
1975                 g_free(hentry[H_FOLLOWUP_TO].body);
1976                 hentry[H_FOLLOWUP_TO].body = NULL;
1977         }
1978         if (hentry[H_LIST_POST].body != NULL) {
1979                 gchar *to = NULL;
1980
1981                 extract_address(hentry[H_LIST_POST].body);
1982                 if (hentry[H_LIST_POST].body[0] != '\0') {
1983                         scan_mailto_url(hentry[H_LIST_POST].body,
1984                                         &to, NULL, NULL, NULL, NULL);
1985                         if (to) {
1986                                 g_free(compose->ml_post);
1987                                 compose->ml_post = to;
1988                         }
1989                 }
1990                 g_free(hentry[H_LIST_POST].body);
1991                 hentry[H_LIST_POST].body = NULL;
1992         }
1993
1994         /* CLAWS - X-Priority */
1995         if (compose->mode == COMPOSE_REEDIT)
1996                 if (hentry[H_X_PRIORITY].body != NULL) {
1997                         gint priority;
1998                         
1999                         priority = atoi(hentry[H_X_PRIORITY].body);
2000                         g_free(hentry[H_X_PRIORITY].body);
2001                         
2002                         hentry[H_X_PRIORITY].body = NULL;
2003                         
2004                         if (priority < PRIORITY_HIGHEST || 
2005                             priority > PRIORITY_LOWEST)
2006                                 priority = PRIORITY_NORMAL;
2007                         
2008                         compose->priority =  priority;
2009                 }
2010  
2011         if (compose->mode == COMPOSE_REEDIT) {
2012                 if (msginfo->inreplyto && *msginfo->inreplyto)
2013                         compose->inreplyto = g_strdup(msginfo->inreplyto);
2014                 return 0;
2015         }
2016
2017         if (msginfo->msgid && *msginfo->msgid)
2018                 compose->inreplyto = g_strdup(msginfo->msgid);
2019
2020         if (!compose->references) {
2021                 if (msginfo->msgid && *msginfo->msgid) {
2022                         if (msginfo->inreplyto && *msginfo->inreplyto)
2023                                 compose->references =
2024                                         g_strdup_printf("<%s>\n\t<%s>",
2025                                                         msginfo->inreplyto,
2026                                                         msginfo->msgid);
2027                         else
2028                                 compose->references =
2029                                         g_strconcat("<", msginfo->msgid, ">",
2030                                                     NULL);
2031                 } else if (msginfo->inreplyto && *msginfo->inreplyto) {
2032                         compose->references =
2033                                 g_strconcat("<", msginfo->inreplyto, ">",
2034                                             NULL);
2035                 }
2036         }
2037
2038         return 0;
2039 }
2040
2041 static gchar *compose_parse_references(const gchar *ref, const gchar *msgid)
2042 {
2043         GSList *ref_id_list, *cur;
2044         GString *new_ref;
2045         gchar *new_ref_str;
2046
2047         ref_id_list = references_list_append(NULL, ref);
2048         if (!ref_id_list) return NULL;
2049         if (msgid && *msgid)
2050                 ref_id_list = g_slist_append(ref_id_list, g_strdup(msgid));
2051
2052         for (;;) {
2053                 gint len = 0;
2054
2055                 for (cur = ref_id_list; cur != NULL; cur = cur->next)
2056                         /* "<" + Message-ID + ">" + CR+LF+TAB */
2057                         len += strlen((gchar *)cur->data) + 5;
2058
2059                 if (len > MAX_REFERENCES_LEN) {
2060                         /* remove second message-ID */
2061                         if (ref_id_list && ref_id_list->next &&
2062                             ref_id_list->next->next) {
2063                                 g_free(ref_id_list->next->data);
2064                                 ref_id_list = g_slist_remove
2065                                         (ref_id_list, ref_id_list->next->data);
2066                         } else {
2067                                 slist_free_strings(ref_id_list);
2068                                 g_slist_free(ref_id_list);
2069                                 return NULL;
2070                         }
2071                 } else
2072                         break;
2073         }
2074
2075         new_ref = g_string_new("");
2076         for (cur = ref_id_list; cur != NULL; cur = cur->next) {
2077                 if (new_ref->len > 0)
2078                         g_string_append(new_ref, "\n\t");
2079                 g_string_append_printf(new_ref, "<%s>", (gchar *)cur->data);
2080         }
2081
2082         slist_free_strings(ref_id_list);
2083         g_slist_free(ref_id_list);
2084
2085         new_ref_str = new_ref->str;
2086         g_string_free(new_ref, FALSE);
2087
2088         return new_ref_str;
2089 }
2090
2091 static gchar *compose_quote_fmt(Compose *compose, MsgInfo *msginfo,
2092                                 const gchar *fmt, const gchar *qmark,
2093                                 const gchar *body)
2094 {
2095         static MsgInfo dummyinfo;
2096         gchar *quote_str = NULL;
2097         gchar *buf;
2098         gchar *p, *lastp;
2099         gint len;
2100         gboolean prev_autowrap;
2101         const gchar *trimmed_body = body;
2102         GtkTextView *text = GTK_TEXT_VIEW(compose->text);
2103         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2104         
2105         if (!msginfo)
2106                 msginfo = &dummyinfo;
2107
2108         if (qmark != NULL) {
2109                 quote_fmt_init(msginfo, NULL, NULL);
2110                 quote_fmt_scan_string(qmark);
2111                 quote_fmt_parse();
2112
2113                 buf = quote_fmt_get_buffer();
2114                 if (buf == NULL)
2115                         alertpanel_error(_("Quote mark format error."));
2116                 else
2117                         Xstrdup_a(quote_str, buf, return NULL)
2118         }
2119
2120         if (fmt && *fmt != '\0') {
2121                 while (trimmed_body && strlen(trimmed_body) > 1
2122                         && trimmed_body[0]=='\n')
2123                         *trimmed_body++;
2124
2125                 quote_fmt_init(msginfo, quote_str, trimmed_body);
2126                 quote_fmt_scan_string(fmt);
2127                 quote_fmt_parse();
2128
2129                 buf = quote_fmt_get_buffer();
2130                 if (buf == NULL) {
2131                         alertpanel_error(_("Message reply/forward format error."));
2132                         return NULL;
2133                 }
2134         } else
2135                 buf = "";
2136
2137         prev_autowrap = compose->autowrap;
2138         compose->autowrap = FALSE;
2139
2140         g_signal_handlers_block_by_func(G_OBJECT(buffer),
2141                                 G_CALLBACK(compose_changed_cb),
2142                                 compose);
2143         g_signal_handlers_block_by_func(G_OBJECT(buffer),
2144                                 G_CALLBACK(text_inserted),
2145                                 compose);
2146         for (p = buf; *p != '\0'; ) {
2147                 GtkTextMark *mark;
2148                 GtkTextIter iter;
2149
2150                 
2151                 mark = gtk_text_buffer_get_insert(buffer);
2152                 gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
2153
2154                 lastp = strchr(p, '\n');
2155                 len = lastp ? lastp - p + 1 : -1;
2156
2157                 if (g_utf8_validate(p, -1, NULL)) { 
2158                         gtk_text_buffer_insert(buffer, &iter, p, len);
2159                 } else {
2160                         gchar *tmpin = g_strdup(p);
2161                         gchar *tmpout = NULL;
2162                         tmpin[len] = '\0';
2163                         tmpout = conv_codeset_strdup
2164                                 (tmpin, conv_get_locale_charset_str(),
2165                                  CS_INTERNAL);
2166                         gtk_text_buffer_insert(buffer, &iter, tmpout, -1);
2167                         g_free(tmpin);
2168                         g_free(tmpout);
2169                 }
2170
2171                 if (lastp)
2172                         p = lastp + 1;
2173                 else
2174                         break;
2175         }
2176
2177         compose->autowrap = prev_autowrap;
2178         if (compose->autowrap)
2179                 compose_wrap_all(compose);
2180
2181         g_signal_handlers_unblock_by_func(G_OBJECT(buffer),
2182                                 G_CALLBACK(compose_changed_cb),
2183                                 compose);
2184         g_signal_handlers_unblock_by_func(G_OBJECT(buffer),
2185                                 G_CALLBACK(text_inserted),
2186                                 compose);
2187
2188
2189         return buf;
2190 }
2191
2192 static void compose_reply_set_entry(Compose *compose, MsgInfo *msginfo,
2193                                     gboolean to_all, gboolean to_ml,
2194                                     gboolean to_sender,
2195                                     gboolean followup_and_reply_to)
2196 {
2197         GSList *cc_list = NULL;
2198         GSList *cur;
2199         gchar *from = NULL;
2200         gchar *replyto = NULL;
2201         GHashTable *to_table;
2202
2203         g_return_if_fail(compose->account != NULL);
2204         g_return_if_fail(msginfo != NULL);
2205
2206         if (compose->account->protocol != A_NNTP) {
2207                 if (to_ml && compose->ml_post
2208                     && !(msginfo->folder && 
2209                          msginfo->folder->prefs->enable_default_reply_to)) {
2210                         compose_entry_append(compose,
2211                                            compose->ml_post,
2212                                            COMPOSE_TO);
2213                         if (compose->replyto) {
2214                                 gchar *tmp1 = NULL, *tmp2 = NULL;
2215                                 Xstrdup_a(tmp1, compose->replyto, return);
2216                                 if (compose->ml_post)
2217                                         Xstrdup_a(tmp2, compose->ml_post, return);
2218                                 extract_address(tmp1);
2219                                 extract_address(tmp2);
2220                                 if (tmp1 && tmp2 && strcmp(tmp1, tmp2))
2221                                         compose_entry_append(compose,
2222                                                         compose->replyto,
2223                                                         COMPOSE_CC);
2224                         }
2225                 }
2226                 else if (!(to_all || to_sender)
2227                          && msginfo->folder
2228                          && msginfo->folder->prefs->enable_default_reply_to) {
2229                         compose_entry_append(compose,
2230                             msginfo->folder->prefs->default_reply_to,
2231                             COMPOSE_TO);
2232                 } else
2233                         compose_entry_append(compose,
2234                                  (compose->replyto && !to_sender)
2235                                   ? compose->replyto :
2236                                   msginfo->from ? msginfo->from : "",
2237                                   COMPOSE_TO);
2238         } else {
2239                 if (to_sender || (compose->followup_to && 
2240                         !strncmp(compose->followup_to, "poster", 6)))
2241                         compose_entry_append
2242                                 (compose, 
2243                                  (compose->replyto ? compose->replyto :
2244                                         msginfo->from ? msginfo->from : ""),
2245                                  COMPOSE_TO);
2246                                  
2247                 else if (followup_and_reply_to || to_all) {
2248                         compose_entry_append
2249                                 (compose,
2250                                  (compose->replyto ? compose->replyto :
2251                                  msginfo->from ? msginfo->from : ""),
2252                                  COMPOSE_TO);                           
2253                 
2254                         compose_entry_append
2255                                 (compose,
2256                                  compose->followup_to ? compose->followup_to :
2257                                  compose->newsgroups ? compose->newsgroups : "",
2258                                  COMPOSE_NEWSGROUPS);
2259                 } 
2260                 else 
2261                         compose_entry_append
2262                                 (compose,
2263                                  compose->followup_to ? compose->followup_to :
2264                                  compose->newsgroups ? compose->newsgroups : "",
2265                                  COMPOSE_NEWSGROUPS);
2266         }
2267
2268         if (msginfo->subject && *msginfo->subject) {
2269                 gchar *buf, *buf2;
2270                 guchar *p;
2271
2272                 buf = p = g_strdup(msginfo->subject);
2273                 p += subject_get_prefix_length(p);
2274                 memmove(buf, p, strlen(p) + 1);
2275
2276                 buf2 = g_strdup_printf("Re: %s", buf);
2277                 gtk_entry_set_text(GTK_ENTRY(compose->subject_entry), buf2);
2278
2279                 g_free(buf2);
2280                 g_free(buf);
2281         } else
2282                 gtk_entry_set_text(GTK_ENTRY(compose->subject_entry), "Re: ");
2283
2284         if (to_ml && compose->ml_post) return;
2285         if (!to_all || compose->account->protocol == A_NNTP) return;
2286
2287         if (compose->replyto) {
2288                 Xstrdup_a(replyto, compose->replyto, return);
2289                 extract_address(replyto);
2290         }
2291         if (msginfo->from) {
2292                 Xstrdup_a(from, msginfo->from, return);
2293                 extract_address(from);
2294         }
2295
2296         if (replyto && from)
2297                 cc_list = address_list_append_with_comments(cc_list, from);
2298         if (to_all && msginfo->folder && 
2299             msginfo->folder->prefs->enable_default_reply_to)
2300                 cc_list = address_list_append_with_comments(cc_list,
2301                                 msginfo->folder->prefs->default_reply_to);
2302         cc_list = address_list_append_with_comments(cc_list, msginfo->to);
2303         cc_list = address_list_append_with_comments(cc_list, compose->cc);
2304
2305         to_table = g_hash_table_new(g_str_hash, g_str_equal);
2306         if (replyto)
2307                 g_hash_table_insert(to_table, g_strdup(replyto), GINT_TO_POINTER(1));
2308         if (compose->account)
2309                 g_hash_table_insert(to_table, g_strdup(compose->account->address),
2310                                     GINT_TO_POINTER(1));
2311
2312         /* remove address on To: and that of current account */
2313         for (cur = cc_list; cur != NULL; ) {
2314                 GSList *next = cur->next;
2315                 gchar *addr;
2316
2317                 addr = g_strdup(cur->data);
2318                 extract_address(addr);
2319
2320                 if (GPOINTER_TO_INT(g_hash_table_lookup(to_table, addr)) == 1)
2321                         cc_list = g_slist_remove(cc_list, cur->data);
2322                 else
2323                         g_hash_table_insert(to_table, addr, GINT_TO_POINTER(1));
2324
2325                 cur = next;
2326         }
2327         hash_free_strings(to_table);
2328         g_hash_table_destroy(to_table);
2329
2330         if (cc_list) {
2331                 for (cur = cc_list; cur != NULL; cur = cur->next)
2332                         compose_entry_append(compose, (gchar *)cur->data,
2333                                              COMPOSE_CC);
2334                 slist_free_strings(cc_list);
2335                 g_slist_free(cc_list);
2336         }
2337
2338 }
2339
2340 #define SET_ENTRY(entry, str) \
2341 { \
2342         if (str && *str) \
2343                 gtk_entry_set_text(GTK_ENTRY(compose->entry), str); \
2344 }
2345
2346 #define SET_ADDRESS(type, str) \
2347 { \
2348         if (str && *str) \
2349                 compose_entry_append(compose, str, type); \
2350 }
2351
2352 static void compose_reedit_set_entry(Compose *compose, MsgInfo *msginfo)
2353 {
2354         g_return_if_fail(msginfo != NULL);
2355
2356         SET_ENTRY(subject_entry, msginfo->subject);
2357         SET_ADDRESS(COMPOSE_TO, msginfo->to);
2358         SET_ADDRESS(COMPOSE_CC, compose->cc);
2359         SET_ADDRESS(COMPOSE_BCC, compose->bcc);
2360         SET_ADDRESS(COMPOSE_REPLYTO, compose->replyto);
2361         SET_ADDRESS(COMPOSE_NEWSGROUPS, compose->newsgroups);
2362         SET_ADDRESS(COMPOSE_FOLLOWUPTO, compose->followup_to);
2363
2364         compose_update_priority_menu_item(compose);
2365         compose_update_privacy_system_menu_item(compose, FALSE);
2366         compose_show_first_last_header(compose, TRUE);
2367 }
2368
2369 #undef SET_ENTRY
2370 #undef SET_ADDRESS
2371
2372 static void compose_insert_sig(Compose *compose, gboolean replace)
2373 {
2374         GtkTextView *text = GTK_TEXT_VIEW(compose->text);
2375         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2376         GtkTextMark *mark;
2377         GtkTextIter iter, iter_end;
2378         gint cur_pos;
2379         gboolean prev_autowrap;
2380
2381         
2382         g_return_if_fail(compose->account != NULL);
2383
2384         prev_autowrap = compose->autowrap;
2385         compose->autowrap = FALSE;
2386
2387         g_signal_handlers_block_by_func(G_OBJECT(buffer),
2388                                         G_CALLBACK(compose_changed_cb),
2389                                         compose);
2390         
2391         mark = gtk_text_buffer_get_insert(buffer);
2392         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
2393         cur_pos = gtk_text_iter_get_offset (&iter);
2394
2395         gtk_text_buffer_get_end_iter(buffer, &iter);
2396
2397         if (replace && compose->sig_str) {
2398                 gboolean found;
2399                 GtkTextIter first_iter, start_iter, end_iter;
2400
2401                 gtk_text_buffer_get_start_iter(buffer, &first_iter);
2402
2403                 if (compose->sig_str[0] == '\0')
2404                         found = FALSE;
2405                 else
2406                         found = gtk_text_iter_forward_search(&first_iter,
2407                                                              compose->sig_str,
2408                                                              GTK_TEXT_SEARCH_TEXT_ONLY,
2409                                                              &start_iter, &end_iter,
2410                                                              NULL);
2411
2412                 if (found) {
2413                         gtk_text_buffer_delete(buffer, &start_iter, &end_iter);
2414                         iter = start_iter;
2415                 }
2416         }
2417
2418         g_free(compose->sig_str);
2419         compose->sig_str = compose_get_signature_str(compose);
2420         if (!compose->sig_str || (replace && !compose->account->auto_sig))
2421                 compose->sig_str = g_strdup("");
2422
2423         cur_pos = gtk_text_iter_get_offset(&iter);
2424         gtk_text_buffer_insert(buffer, &iter, compose->sig_str, -1);
2425         /* skip \n\n */
2426         gtk_text_buffer_get_iter_at_offset(buffer, &iter, cur_pos);
2427         gtk_text_iter_forward_char(&iter);
2428         gtk_text_iter_forward_char(&iter);
2429         gtk_text_buffer_get_end_iter(buffer, &iter_end);
2430         gtk_text_buffer_apply_tag_by_name(buffer,"signature",&iter, &iter_end);
2431
2432         if (cur_pos > gtk_text_buffer_get_char_count (buffer))
2433                 cur_pos = gtk_text_buffer_get_char_count (buffer);
2434
2435         gtk_text_buffer_get_iter_at_offset(buffer, &iter, cur_pos);
2436         gtk_text_buffer_place_cursor(buffer, &iter);
2437
2438         g_signal_handlers_unblock_by_func(G_OBJECT(buffer),
2439                                         G_CALLBACK(compose_changed_cb),
2440                                         compose);
2441                 
2442         compose->autowrap = prev_autowrap;
2443         if (compose->autowrap)
2444                 compose_wrap_all(compose);
2445 }
2446
2447 static gchar *compose_get_signature_str(Compose *compose)
2448 {
2449         gchar *sig_body = NULL;
2450         gchar *sig_str = NULL;
2451         gchar *utf8_sig_str = NULL;
2452
2453         g_return_val_if_fail(compose->account != NULL, NULL);
2454
2455         if (!compose->account->sig_path)
2456                 return NULL;
2457
2458         if (compose->account->sig_type == SIG_FILE) {
2459                 if (!is_file_or_fifo_exist(compose->account->sig_path)) {
2460                         g_warning("can't open signature file: %s\n",
2461                                   compose->account->sig_path);
2462                         return NULL;
2463                 }
2464         }
2465
2466         if (compose->account->sig_type == SIG_COMMAND)
2467                 sig_body = get_command_output(compose->account->sig_path);
2468         else {
2469                 gchar *tmp;
2470
2471                 tmp = file_read_to_str(compose->account->sig_path);
2472                 if (!tmp)
2473                         return NULL;
2474                 sig_body = normalize_newlines(tmp);
2475                 g_free(tmp);
2476         }
2477
2478         if (compose->account->sig_sep) {
2479                 sig_str = g_strconcat("\n\n", compose->account->sig_sep, "\n", sig_body,
2480                                       NULL);
2481                 g_free(sig_body);
2482         } else
2483                 sig_str = g_strconcat("\n\n", sig_body, NULL);
2484
2485         if (sig_str) {
2486                 if (g_utf8_validate(sig_str, -1, NULL) == TRUE)
2487                         utf8_sig_str = sig_str;
2488                 else {
2489                         utf8_sig_str = conv_codeset_strdup
2490                                 (sig_str, conv_get_locale_charset_str(),
2491                                  CS_INTERNAL);
2492                         g_free(sig_str);
2493                 }
2494         }
2495
2496         return utf8_sig_str;
2497 }
2498
2499 static ComposeInsertResult compose_insert_file(Compose *compose, const gchar *file)
2500 {
2501         GtkTextView *text;
2502         GtkTextBuffer *buffer;
2503         GtkTextMark *mark;
2504         GtkTextIter iter;
2505         const gchar *cur_encoding;
2506         gchar buf[BUFFSIZE];
2507         gint len;
2508         FILE *fp;
2509         gboolean prev_autowrap;
2510         gboolean badtxt = FALSE;
2511
2512         g_return_val_if_fail(file != NULL, COMPOSE_INSERT_NO_FILE);
2513
2514         if ((fp = g_fopen(file, "rb")) == NULL) {
2515                 FILE_OP_ERROR(file, "fopen");
2516                 return COMPOSE_INSERT_READ_ERROR;
2517         }
2518
2519         prev_autowrap = compose->autowrap;
2520         compose->autowrap = FALSE;
2521
2522         text = GTK_TEXT_VIEW(compose->text);
2523         buffer = gtk_text_view_get_buffer(text);
2524         mark = gtk_text_buffer_get_insert(buffer);
2525         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
2526
2527         g_signal_handlers_block_by_func(G_OBJECT(buffer),
2528                                         G_CALLBACK(text_inserted),
2529                                         compose);
2530
2531         cur_encoding = conv_get_locale_charset_str();
2532
2533         while (fgets(buf, sizeof(buf), fp) != NULL) {
2534                 gchar *str;
2535
2536                 if (g_utf8_validate(buf, -1, NULL) == TRUE)
2537                         str = g_strdup(buf);
2538                 else
2539                         str = conv_codeset_strdup
2540                                 (buf, cur_encoding, CS_INTERNAL);
2541                 if (!str) continue;
2542
2543                 /* strip <CR> if DOS/Windows file,
2544                    replace <CR> with <LF> if Macintosh file. */
2545                 strcrchomp(str);
2546                 len = strlen(str);
2547                 if (len > 0 && str[len - 1] != '\n') {
2548                         while (--len >= 0)
2549                                 if (str[len] == '\r') str[len] = '\n';
2550                 }
2551
2552                 gtk_text_buffer_insert(buffer, &iter, str, -1);
2553                 g_free(str);
2554         }
2555
2556         g_signal_handlers_unblock_by_func(G_OBJECT(buffer),
2557                                           G_CALLBACK(text_inserted),
2558                                           compose);
2559         compose->autowrap = prev_autowrap;
2560         if (compose->autowrap)
2561                 compose_wrap_all(compose);
2562
2563         fclose(fp);
2564
2565         if (badtxt)
2566                 return COMPOSE_INSERT_INVALID_CHARACTER;
2567         else 
2568                 return COMPOSE_INSERT_SUCCESS;
2569 }
2570
2571 static void compose_attach_append(Compose *compose, const gchar *file,
2572                                   const gchar *filename,
2573                                   const gchar *content_type)
2574 {
2575         AttachInfo *ainfo;
2576         GtkTreeIter iter;
2577         FILE *fp;
2578         off_t size;
2579         GAuto *auto_ainfo;
2580         gchar *size_text;
2581         GtkListStore *store;
2582         gchar *name;
2583
2584         if (!is_file_exist(file)) {
2585                 g_warning("File %s doesn't exist\n", filename);
2586                 return;
2587         }
2588         if ((size = get_file_size(file)) < 0) {
2589                 g_warning("Can't get file size of %s\n", filename);
2590                 return;
2591         }
2592         if (size == 0) {
2593                 alertpanel_notice(_("File %s is empty."), filename);
2594                 return;
2595         }
2596         if ((fp = g_fopen(file, "rb")) == NULL) {
2597                 alertpanel_error(_("Can't read %s."), filename);
2598                 return;
2599         }
2600         fclose(fp);
2601
2602         ainfo = g_new0(AttachInfo, 1);
2603         auto_ainfo = g_auto_pointer_new_with_free
2604                         (ainfo, (GFreeFunc) compose_attach_info_free); 
2605         ainfo->file = g_strdup(file);
2606
2607         if (content_type) {
2608                 ainfo->content_type = g_strdup(content_type);
2609                 if (!g_ascii_strcasecmp(content_type, "message/rfc822")) {
2610                         MsgInfo *msginfo;
2611                         MsgFlags flags = {0, 0};
2612
2613                         if (procmime_get_encoding_for_text_file(file) == ENC_7BIT)
2614                                 ainfo->encoding = ENC_7BIT;
2615                         else
2616                                 ainfo->encoding = ENC_8BIT;
2617
2618                         msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
2619                         if (msginfo && msginfo->subject)
2620                                 name = g_strdup(msginfo->subject);
2621                         else
2622                                 name = g_path_get_basename(filename ? filename : file);
2623
2624                         ainfo->name = g_strdup_printf(_("Message: %s"), name);
2625
2626                         procmsg_msginfo_free(msginfo);
2627                 } else {
2628                         if (!g_ascii_strncasecmp(content_type, "text", 4))
2629                                 ainfo->encoding = procmime_get_encoding_for_text_file(file);
2630                         else
2631                                 ainfo->encoding = ENC_BASE64;
2632                         name = g_path_get_basename(filename ? filename : file);
2633                         ainfo->name = g_strdup(name);
2634                 }
2635                 g_free(name);
2636         } else {
2637                 ainfo->content_type = procmime_get_mime_type(file);
2638                 if (!ainfo->content_type) {
2639                         ainfo->content_type =
2640                                 g_strdup("application/octet-stream");
2641                         ainfo->encoding = ENC_BASE64;
2642                 } else if (!g_ascii_strncasecmp(ainfo->content_type, "text", 4))
2643                         ainfo->encoding =
2644                                 procmime_get_encoding_for_text_file(file);
2645                 else
2646                         ainfo->encoding = ENC_BASE64;
2647                 name = g_path_get_basename(filename ? filename : file);
2648                 ainfo->name = g_strdup(name);   
2649                 g_free(name);
2650         }
2651
2652         if (!strcmp(ainfo->content_type, "unknown")) {
2653                 g_free(ainfo->content_type);
2654                 ainfo->content_type = g_strdup("application/octet-stream");
2655         }
2656
2657         ainfo->size = size;
2658         size_text = to_human_readable(size);
2659
2660         store = GTK_LIST_STORE(gtk_tree_view_get_model
2661                         (GTK_TREE_VIEW(compose->attach_clist)));
2662                 
2663         gtk_list_store_append(store, &iter);
2664         gtk_list_store_set(store, &iter, 
2665                            COL_MIMETYPE, ainfo->content_type,
2666                            COL_SIZE, size_text,
2667                            COL_NAME, ainfo->name,
2668                            COL_DATA, ainfo,
2669                            COL_AUTODATA, auto_ainfo,
2670                            -1);
2671         
2672         g_auto_pointer_free(auto_ainfo);
2673 }
2674
2675 static void compose_use_signing(Compose *compose, gboolean use_signing)
2676 {
2677         GtkItemFactory *ifactory;
2678         GtkWidget *menuitem = NULL;
2679
2680         compose->use_signing = use_signing;
2681         ifactory = gtk_item_factory_from_widget(compose->menubar);
2682         menuitem = gtk_item_factory_get_item
2683                 (ifactory, "/Options/Sign");
2684         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem), 
2685                                        use_signing);
2686 }
2687
2688 static void compose_use_encryption(Compose *compose, gboolean use_encryption)
2689 {
2690         GtkItemFactory *ifactory;
2691         GtkWidget *menuitem = NULL;
2692
2693         compose->use_encryption = use_encryption;
2694         ifactory = gtk_item_factory_from_widget(compose->menubar);
2695         menuitem = gtk_item_factory_get_item
2696                 (ifactory, "/Options/Encrypt");
2697
2698         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem), 
2699                                        use_encryption);
2700 }
2701
2702 #define NEXT_PART_NOT_CHILD(info)  \
2703 {  \
2704         node = info->node;  \
2705         while (node->children)  \
2706                 node = g_node_last_child(node);  \
2707         info = procmime_mimeinfo_next((MimeInfo *)node->data);  \
2708 }
2709
2710 static void compose_attach_parts(Compose *compose, MsgInfo *msginfo)
2711 {
2712         MimeInfo *mimeinfo;
2713         MimeInfo *child;
2714         MimeInfo *firsttext = NULL;
2715         MimeInfo *encrypted = NULL;
2716         GNode    *node;
2717         gchar *outfile;
2718         const gchar *partname = NULL;
2719
2720         mimeinfo = procmime_scan_message(msginfo);
2721         if (!mimeinfo) return;
2722
2723         if (mimeinfo->node->children == NULL) {
2724                 procmime_mimeinfo_free_all(mimeinfo);
2725                 return;
2726         }
2727
2728         /* find first content part */
2729         child = (MimeInfo *) mimeinfo->node->children->data;
2730         while (child && child->node->children && (child->type == MIMETYPE_MULTIPART))
2731                 child = (MimeInfo *)child->node->children->data;
2732
2733         if (child->type == MIMETYPE_TEXT) {
2734                 firsttext = child;
2735                 debug_print("First text part found\n");
2736         } else if (compose->mode == COMPOSE_REEDIT &&
2737                  child->type == MIMETYPE_APPLICATION &&
2738                  !g_ascii_strcasecmp(child->subtype, "pgp-encrypted")) {
2739                 encrypted = (MimeInfo *)child->node->parent->data;
2740         }
2741      
2742         child = (MimeInfo *) mimeinfo->node->children->data;
2743         while (child != NULL) {
2744                 if (child == encrypted) {
2745                         /* skip this part of tree */
2746                         NEXT_PART_NOT_CHILD(child);
2747                         continue;
2748                 }
2749
2750                 if (child->type == MIMETYPE_MULTIPART) {
2751                         /* get the actual content */
2752                         child = procmime_mimeinfo_next(child);
2753                         continue;
2754                 }
2755                     
2756                 if (child == firsttext) {
2757                         child = procmime_mimeinfo_next(child);
2758                         continue;
2759                 }
2760
2761                 outfile = procmime_get_tmp_file_name(child);
2762                 if (procmime_get_part(outfile, child) < 0)
2763                         g_warning("Can't get the part of multipart message.");
2764                 else {
2765                         gchar *content_type;
2766
2767                         content_type = procmime_get_content_type_str(child->type, child->subtype);
2768
2769                         /* if we meet a pgp signature, we don't attach it, but
2770                          * we force signing. */
2771                         if (strcmp(content_type, "application/pgp-signature")) {
2772                                 partname = procmime_mimeinfo_get_parameter(child, "filename");
2773                                 if (partname == NULL)
2774                                         partname = procmime_mimeinfo_get_parameter(child, "name");
2775                                 if (partname == NULL)
2776                                         partname = "";
2777                                 compose_attach_append(compose, outfile, 
2778                                                       partname, content_type);
2779                         } else {
2780                                 compose_force_signing(compose, compose->account);
2781                         }
2782                         g_free(content_type);
2783                 }
2784                 g_free(outfile);
2785                 NEXT_PART_NOT_CHILD(child);
2786         }
2787         procmime_mimeinfo_free_all(mimeinfo);
2788 }
2789
2790 #undef NEXT_PART_NOT_CHILD
2791
2792
2793
2794 typedef enum {
2795         WAIT_FOR_INDENT_CHAR,
2796         WAIT_FOR_INDENT_CHAR_OR_SPACE,
2797 } IndentState;
2798
2799 /* return indent length, we allow:
2800    indent characters followed by indent characters or spaces/tabs,
2801    alphabets and numbers immediately followed by indent characters,
2802    and the repeating sequences of the above
2803    If quote ends with multiple spaces, only the first one is included. */
2804 static gchar *compose_get_quote_str(GtkTextBuffer *buffer,
2805                                     const GtkTextIter *start, gint *len)
2806 {
2807         GtkTextIter iter = *start;
2808         gunichar wc;
2809         gchar ch[6];
2810         gint clen;
2811         IndentState state = WAIT_FOR_INDENT_CHAR;
2812         gboolean is_space;
2813         gboolean is_indent;
2814         gint alnum_count = 0;
2815         gint space_count = 0;
2816         gint quote_len = 0;
2817
2818         if (prefs_common.quote_chars == NULL) {
2819                 return 0 ;
2820         }
2821
2822         while (!gtk_text_iter_ends_line(&iter)) {
2823                 wc = gtk_text_iter_get_char(&iter);
2824                 if (g_unichar_iswide(wc))
2825                         break;
2826                 clen = g_unichar_to_utf8(wc, ch);
2827                 if (clen != 1)
2828                         break;
2829
2830                 is_indent = strchr(prefs_common.quote_chars, ch[0]) ? TRUE : FALSE;
2831                 is_space = g_unichar_isspace(wc);
2832
2833                 if (state == WAIT_FOR_INDENT_CHAR) {
2834                         if (!is_indent && !g_unichar_isalnum(wc))
2835                                 break;
2836                         if (is_indent) {
2837                                 quote_len += alnum_count + space_count + 1;
2838                                 alnum_count = space_count = 0;
2839                                 state = WAIT_FOR_INDENT_CHAR_OR_SPACE;
2840                         } else
2841                                 alnum_count++;
2842                 } else if (state == WAIT_FOR_INDENT_CHAR_OR_SPACE) {
2843                         if (!is_indent && !is_space && !g_unichar_isalnum(wc))
2844                                 break;
2845                         if (is_space)
2846                                 space_count++;
2847                         else if (is_indent) {
2848                                 quote_len += alnum_count + space_count + 1;
2849                                 alnum_count = space_count = 0;
2850                         } else {
2851                                 alnum_count++;
2852                                 state = WAIT_FOR_INDENT_CHAR;
2853                         }
2854                 }
2855
2856                 gtk_text_iter_forward_char(&iter);
2857         }
2858
2859         if (quote_len > 0 && space_count > 0)
2860                 quote_len++;
2861
2862         if (len)
2863                 *len = quote_len;
2864
2865         if (quote_len > 0) {
2866                 iter = *start;
2867                 gtk_text_iter_forward_chars(&iter, quote_len);
2868                 return gtk_text_buffer_get_text(buffer, start, &iter, FALSE);
2869         }
2870
2871         return NULL;
2872 }
2873
2874 /* return TRUE if the line is itemized */
2875 static gboolean compose_is_itemized(GtkTextBuffer *buffer,
2876                                     const GtkTextIter *start)
2877 {
2878         GtkTextIter iter = *start;
2879         gunichar wc;
2880         gchar ch[6];
2881         gint clen;
2882
2883         if (gtk_text_iter_ends_line(&iter))
2884                 return FALSE;
2885
2886         while (1) {
2887                 wc = gtk_text_iter_get_char(&iter);
2888                 if (!g_unichar_isspace(wc))
2889                         break;
2890                 gtk_text_iter_forward_char(&iter);
2891                 if (gtk_text_iter_ends_line(&iter))
2892                         return FALSE;
2893         }
2894
2895         clen = g_unichar_to_utf8(wc, ch);
2896         if (clen != 1)
2897                 return FALSE;
2898
2899         if (!strchr("*-+", ch[0]))
2900                 return FALSE;
2901
2902         gtk_text_iter_forward_char(&iter);
2903         if (gtk_text_iter_ends_line(&iter))
2904                 return FALSE;
2905         wc = gtk_text_iter_get_char(&iter);
2906         if (g_unichar_isspace(wc))
2907                 return TRUE;
2908
2909         return FALSE;
2910 }
2911
2912 static gboolean compose_get_line_break_pos(GtkTextBuffer *buffer,
2913                                            const GtkTextIter *start,
2914                                            GtkTextIter *break_pos,
2915                                            gint max_col,
2916                                            gint quote_len)
2917 {
2918         GtkTextIter iter = *start, line_end = *start;
2919         PangoLogAttr *attrs;
2920         gchar *str;
2921         gchar *p;
2922         gint len;
2923         gint i;
2924         gint col = 0;
2925         gint pos = 0;
2926         gboolean can_break = FALSE;
2927         gboolean do_break = FALSE;
2928         gboolean was_white = FALSE;
2929         gboolean prev_dont_break = FALSE;
2930
2931         gtk_text_iter_forward_to_line_end(&line_end);
2932         str = gtk_text_buffer_get_text(buffer, &iter, &line_end, FALSE);
2933         len = g_utf8_strlen(str, -1);
2934         /* g_print("breaking line: %d: %s (len = %d)\n",
2935                 gtk_text_iter_get_line(&iter), str, len); */
2936         attrs = g_new(PangoLogAttr, len + 1);
2937
2938         pango_default_break(str, -1, NULL, attrs, len + 1);
2939
2940         p = str;
2941
2942         /* skip quote and leading spaces */
2943         for (i = 0; *p != '\0' && i < len; i++) {
2944                 gunichar wc;
2945
2946                 wc = g_utf8_get_char(p);
2947                 if (i >= quote_len && !g_unichar_isspace(wc))
2948                         break;
2949                 if (g_unichar_iswide(wc))
2950                         col += 2;
2951                 else if (*p == '\t')
2952                         col += 8;
2953                 else
2954                         col++;
2955                 p = g_utf8_next_char(p);
2956         }
2957
2958         for (; *p != '\0' && i < len; i++) {
2959                 PangoLogAttr *attr = attrs + i;
2960                 gunichar wc;
2961                 gint uri_len;
2962
2963                 if (attr->is_line_break && can_break && was_white && !prev_dont_break)
2964                         pos = i;
2965                 
2966                 was_white = attr->is_white;
2967
2968                 /* don't wrap URI */
2969                 if ((uri_len = get_uri_len(p)) > 0) {
2970                         col += uri_len;
2971                         if (pos > 0 && col > max_col) {
2972                                 do_break = TRUE;
2973                                 break;
2974                         }
2975                         i += uri_len - 1;
2976                         p += uri_len;
2977                         can_break = TRUE;
2978                         continue;
2979                 }
2980
2981                 wc = g_utf8_get_char(p);
2982                 if (g_unichar_iswide(wc)) {
2983                         col += 2;
2984                         if (prev_dont_break && can_break && attr->is_line_break)
2985                                 pos = i;
2986                 } else if (*p == '\t')
2987                         col += 8;
2988                 else
2989                         col++;
2990                 if (pos > 0 && col > max_col) {
2991                         do_break = TRUE;
2992                         break;
2993                 }
2994
2995                 if (*p == '-' || *p == '/')
2996                         prev_dont_break = TRUE;
2997                 else
2998                         prev_dont_break = FALSE;
2999
3000                 p = g_utf8_next_char(p);
3001                 can_break = TRUE;
3002         }
3003
3004         debug_print("compose_get_line_break_pos(): do_break = %d, pos = %d, col = %d\n", do_break, pos, col);
3005
3006         g_free(attrs);
3007         g_free(str);
3008
3009         *break_pos = *start;
3010         gtk_text_iter_set_line_offset(break_pos, pos);
3011
3012         return do_break;
3013 }
3014
3015 static gboolean compose_join_next_line(Compose *compose,
3016                                        GtkTextBuffer *buffer,
3017                                        GtkTextIter *iter,
3018                                        const gchar *quote_str)
3019 {
3020         GtkTextIter iter_ = *iter, cur, prev, next, end;
3021         PangoLogAttr attrs[3];
3022         gchar *str;
3023         gchar *next_quote_str;
3024         gunichar wc1, wc2;
3025         gint quote_len;
3026         gboolean keep_cursor = FALSE;
3027
3028         if (!gtk_text_iter_forward_line(&iter_) ||
3029             gtk_text_iter_ends_line(&iter_))
3030                 return FALSE;
3031
3032         next_quote_str = compose_get_quote_str(buffer, &iter_, &quote_len);
3033
3034         if ((quote_str || next_quote_str) &&
3035             strcmp2(quote_str, next_quote_str) != 0) {
3036                 g_free(next_quote_str);
3037                 return FALSE;
3038         }
3039         g_free(next_quote_str);
3040
3041         end = iter_;
3042         if (quote_len > 0) {
3043                 gtk_text_iter_forward_chars(&end, quote_len);
3044                 if (gtk_text_iter_ends_line(&end))
3045                         return FALSE;
3046         }
3047
3048         /* don't join itemized lines */
3049         if (compose_is_itemized(buffer, &end))
3050                 return FALSE;
3051
3052         /* don't join signature separator */
3053         if (compose_is_sig_separator(compose, buffer, &iter_))
3054                 return FALSE;
3055
3056         /* delete quote str */
3057         if (quote_len > 0)
3058                 gtk_text_buffer_delete(buffer, &iter_, &end);
3059
3060         /* delete linebreak and extra spaces */
3061         prev = cur = iter_;
3062         while (gtk_text_iter_backward_char(&cur)) {
3063                 wc1 = gtk_text_iter_get_char(&cur);
3064                 if (!g_unichar_isspace(wc1))
3065                         break;
3066                 prev = cur;
3067         }
3068         next = cur = iter_;
3069         while (!gtk_text_iter_ends_line(&cur)) {
3070                 wc1 = gtk_text_iter_get_char(&cur);
3071                 if (!g_unichar_isspace(wc1))
3072                         break;
3073                 gtk_text_iter_forward_char(&cur);
3074                 next = cur;
3075         }
3076         if (!gtk_text_iter_equal(&prev, &next)) {
3077                 GtkTextMark *mark;
3078
3079                 mark = gtk_text_buffer_get_insert(buffer);
3080                 gtk_text_buffer_get_iter_at_mark(buffer, &cur, mark);
3081                 if (gtk_text_iter_equal(&prev, &cur))
3082                         keep_cursor = TRUE;
3083                 gtk_text_buffer_delete(buffer, &prev, &next);
3084         }
3085         iter_ = prev;
3086
3087         /* insert space if required */
3088         gtk_text_iter_backward_char(&prev);
3089         wc1 = gtk_text_iter_get_char(&prev);
3090         wc2 = gtk_text_iter_get_char(&next);
3091         gtk_text_iter_forward_char(&next);
3092         str = gtk_text_buffer_get_text(buffer, &prev, &next, FALSE);
3093         pango_default_break(str, -1, NULL, attrs, 3);
3094         if (!attrs[1].is_line_break ||
3095             (!g_unichar_iswide(wc1) || !g_unichar_iswide(wc2))) {
3096                 gtk_text_buffer_insert(buffer, &iter_, " ", 1);
3097                 if (keep_cursor) {
3098                         gtk_text_iter_backward_char(&iter_);
3099                         gtk_text_buffer_place_cursor(buffer, &iter_);
3100                 }
3101         }
3102         g_free(str);
3103
3104         *iter = iter_;
3105         return TRUE;
3106 }
3107
3108 #define ADD_TXT_POS(bp_, ep_, pti_) \
3109         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
3110                 last = last->next; \
3111                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
3112                 last->next = NULL; \
3113         } else { \
3114                 g_warning("alloc error scanning URIs\n"); \
3115         }
3116
3117 static void compose_beautify_paragraph(Compose *compose, GtkTextIter *par_iter, gboolean force)
3118 {
3119         GtkTextView *text = GTK_TEXT_VIEW(compose->text);
3120         GtkTextBuffer *buffer;
3121         GtkTextIter iter, break_pos, end_of_line;
3122         gchar *quote_str = NULL;
3123         gint quote_len;
3124         gboolean wrap_quote = prefs_common.linewrap_quote;
3125         gboolean prev_autowrap = compose->autowrap;
3126         gint startq_offset = -1, noq_offset = -1;
3127         gint uri_start = -1, uri_stop = -1;
3128         gint nouri_start = -1, nouri_stop = -1;
3129
3130         compose->autowrap = FALSE;
3131
3132         buffer = gtk_text_view_get_buffer(text);
3133
3134         undo_block(compose->undostruct);
3135         
3136         if (par_iter) {
3137                 iter = *par_iter;
3138         } else {
3139                 GtkTextMark *mark;
3140                 mark = gtk_text_buffer_get_insert(buffer);
3141                 gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
3142         }
3143
3144         /* move to paragraph start */
3145         gtk_text_iter_set_line_offset(&iter, 0);
3146         if (gtk_text_iter_ends_line(&iter)) {
3147                 while (gtk_text_iter_ends_line(&iter) &&
3148                        gtk_text_iter_forward_line(&iter))
3149                         ;
3150         } else {
3151                 while (gtk_text_iter_backward_line(&iter)) {
3152                         if (gtk_text_iter_ends_line(&iter)) {
3153                                 gtk_text_iter_forward_line(&iter);
3154                                 break;
3155                         }
3156                 }
3157         }
3158
3159         /* go until paragraph end (empty line) */
3160         while (!gtk_text_iter_ends_line(&iter)) {
3161                 gchar *scanpos = NULL;
3162                 /* parse table - in order of priority */
3163                 struct table {
3164                         const gchar *needle; /* token */
3165
3166                         /* token search function */
3167                         gchar    *(*search)     (const gchar *haystack,
3168                                                  const gchar *needle);
3169                         /* part parsing function */
3170                         gboolean  (*parse)      (const gchar *start,
3171                                                  const gchar *scanpos,
3172                                                  const gchar **bp_,
3173                                                  const gchar **ep_);
3174                         /* part to URI function */
3175                         gchar    *(*build_uri)  (const gchar *bp,
3176                                                  const gchar *ep);
3177                 };
3178
3179                 static struct table parser[] = {
3180                         {"http://",  strcasestr, get_uri_part,   make_uri_string},
3181                         {"https://", strcasestr, get_uri_part,   make_uri_string},
3182                         {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
3183                         {"www.",     strcasestr, get_uri_part,   make_http_string},
3184                         {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
3185                         {"@",        strcasestr, get_email_part, make_email_string}
3186                 };
3187                 const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
3188                 gint last_index = PARSE_ELEMS;
3189                 gint  n;
3190                 gchar *o_walk = NULL, *walk = NULL, *bp = NULL, *ep = NULL;
3191                 gint walk_pos;
3192                 
3193                 if (gtk_text_iter_has_tag(&iter, compose->no_wrap_tag) && !force)
3194                         goto colorize;
3195
3196                 uri_start = uri_stop = -1;
3197                 quote_str = compose_get_quote_str(buffer, &iter, &quote_len);
3198
3199                 if (quote_str) {
3200                         if (!wrap_quote) {
3201                                 if (startq_offset == -1) {
3202                                         startq_offset = gtk_text_iter_get_offset(&iter);
3203                                 }
3204                                 goto colorize;
3205                         }
3206                         debug_print("compose_beautify_paragraph(): quote_str = '%s'\n", quote_str);
3207                         if (startq_offset == -1) 
3208                                 startq_offset = gtk_text_iter_get_offset(&iter);
3209                 } else {
3210                         if (startq_offset == -1)
3211                                 noq_offset = gtk_text_iter_get_offset(&iter);
3212                 }
3213
3214                 if (prev_autowrap == FALSE && !force && !wrap_quote) {
3215                         goto colorize;
3216                 }
3217                 if (compose_get_line_break_pos(buffer, &iter, &break_pos,
3218                                                prefs_common.linewrap_len,
3219                                                quote_len)) {
3220                         GtkTextIter prev, next, cur;
3221                         
3222                         if (prev_autowrap != FALSE || force)
3223                                 gtk_text_buffer_insert(buffer, &break_pos, "\n", 1);
3224                         else if (quote_str && wrap_quote)
3225                                 gtk_text_buffer_insert(buffer, &break_pos, "\n", 1);
3226                         else 
3227                                 goto colorize;
3228                         /* remove trailing spaces */
3229                         cur = break_pos;
3230                         gtk_text_iter_backward_char(&cur);
3231                         prev = next = cur;
3232                         while (!gtk_text_iter_starts_line(&cur)) {
3233                                 gunichar wc;
3234
3235                                 gtk_text_iter_backward_char(&cur);
3236                                 wc = gtk_text_iter_get_char(&cur);
3237                                 if (!g_unichar_isspace(wc))
3238                                         break;
3239                                 prev = cur;
3240                         }
3241                         if (!gtk_text_iter_equal(&prev, &next)) {
3242                                 gtk_text_buffer_delete(buffer, &prev, &next);
3243                                 break_pos = next;
3244                                 gtk_text_iter_forward_char(&break_pos);
3245                         }