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                 } else if (item) {
 891                         compose_entry_append(compose, item->path, COMPOSE_NEWSGROUPS);
 892                 }
 893                 /*
 894                  * CLAWS: just don't allow return receipt request, even if the user
 895                  * may want to send an email. simple but foolproof.
 896                  */
 897                 menu_set_sensitive(ifactory, "/Options/Request Return Receipt", FALSE);
 898         }
 899         compose_add_field_list( compose, listAddress );
 900
 901         if (attach_files) {
 902                 gint i;
 903                 gchar *file;
 904
 905                 for (i = 0; i < attach_files->len; i++) {
 906                         file = g_ptr_array_index(attach_files, i);
 907                         compose_attach_append(compose, file, file, NULL);
 908                 }
 909         }
 910
 911         compose_show_first_last_header(compose, TRUE);
 912
 913         /* Set save folder */
 914         if (item && item->prefs && item->prefs->save_copy_to_folder) {
 915                 gchar *folderidentifier;
 916
 917                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), prefs_common.savemsg);
 918                 folderidentifier = folder_item_get_identifier(item);
 919                 gtk_entry_set_text(GTK_ENTRY(compose->savemsg_entry), folderidentifier);
 920                 g_free(folderidentifier);
 921         }
 922
 923         gtk_widget_grab_focus(compose->header_last->entry);
 924
 925         undo_unblock(compose->undostruct);
 926
 927         if (prefs_common.auto_exteditor)
 928                 compose_exec_ext_editor(compose);
 929
 930         compose_set_title(compose);
 931         return compose;
 932 }
 933
 934 static void compose_force_encryption(Compose *compose, PrefsAccount *account,
 935                 gboolean override_pref)
 936 {
 937         gchar *privacy = NULL;
 938
 939         g_return_if_fail(compose != NULL);
 940         g_return_if_fail(account != NULL);
 941
 942         if (override_pref == FALSE && account->default_encrypt_reply == FALSE)
 943                 return;
 944
 945         if (account->default_privacy_system
 946         &&  strlen(account->default_privacy_system)) {
 947                 privacy = account->default_privacy_system;
 948         } else {
 949                 GSList *privacy_avail = privacy_get_system_ids();
 950                 if (privacy_avail && g_slist_length(privacy_avail)) {
 951                         privacy = (gchar *)(privacy_avail->data);
 952                 }
 953         }
 954         if (privacy != NULL) {
 955                 compose->privacy_system = g_strdup(privacy);
 956                 compose_update_privacy_system_menu_item(compose, FALSE);
 957                 compose_use_encryption(compose, TRUE);
 958         }
 959 }
 960
 961 static void compose_force_signing(Compose *compose, PrefsAccount *account)
 962 {
 963         gchar *privacy = NULL;
 964
 965         if (account->default_privacy_system
 966         &&  strlen(account->default_privacy_system)) {
 967                 privacy = account->default_privacy_system;
 968         } else {
 969                 GSList *privacy_avail = privacy_get_system_ids();
 970                 if (privacy_avail && g_slist_length(privacy_avail)) {
 971                         privacy = (gchar *)(privacy_avail->data);
 972                 }
 973         }
 974         if (privacy != NULL) {
 975                 compose->privacy_system = g_strdup(privacy);
 976                 compose_update_privacy_system_menu_item(compose, FALSE);
 977                 compose_use_signing(compose, TRUE);
 978         }
 979 }
 980
 981 Compose *compose_reply_mode(ComposeMode mode, GSList *msginfo_list, gchar *body)
 982 {
 983         MsgInfo *msginfo;
 984         guint list_len;
 985         Compose *compose = NULL;
 986         g_return_val_if_fail(msginfo_list != NULL, NULL);
 987
 988         msginfo = (MsgInfo*)g_slist_nth_data(msginfo_list, 0);
 989         g_return_val_if_fail(msginfo != NULL, NULL);
 990
 991         list_len = g_slist_length(msginfo_list);
 992
 993         switch (mode) {
 994         case COMPOSE_REPLY:
 995                 compose = compose_reply(msginfo, prefs_common.reply_with_quote,
 996                               FALSE, prefs_common.default_reply_list, FALSE, body);
 997                 break;
 998         case COMPOSE_REPLY_WITH_QUOTE:
 999                 compose = compose_reply(msginfo, TRUE,
1000                         FALSE, prefs_common.default_reply_list, FALSE, body);
1001                 break;
1002         case COMPOSE_REPLY_WITHOUT_QUOTE:
1003                 compose = compose_reply(msginfo, FALSE,
1004                         FALSE, prefs_common.default_reply_list, FALSE, NULL);
1005                 break;
1006         case COMPOSE_REPLY_TO_SENDER:
1007                 compose = compose_reply(msginfo, prefs_common.reply_with_quote,
1008                               FALSE, FALSE, TRUE, body);
1009                 break;
1010         case COMPOSE_FOLLOWUP_AND_REPLY_TO:
1011                 compose = compose_followup_and_reply_to(msginfo,
1012                                               prefs_common.reply_with_quote,
1013                                               FALSE, FALSE, body);
1014                 break;
1015         case COMPOSE_REPLY_TO_SENDER_WITH_QUOTE:
1016                 compose = compose_reply(msginfo, TRUE,
1017                         FALSE, FALSE, TRUE, body);
1018                 break;
1019         case COMPOSE_REPLY_TO_SENDER_WITHOUT_QUOTE:
1020                 compose = compose_reply(msginfo, FALSE,
1021                         FALSE, FALSE, TRUE, NULL);
1022                 break;
1023         case COMPOSE_REPLY_TO_ALL:
1024                 compose = compose_reply(msginfo, prefs_common.reply_with_quote,
1025                         TRUE, FALSE, FALSE, body);
1026                 break;
1027         case COMPOSE_REPLY_TO_ALL_WITH_QUOTE:
1028                 compose = compose_reply(msginfo, TRUE,
1029                         TRUE, FALSE, FALSE, body);
1030                 break;
1031         case COMPOSE_REPLY_TO_ALL_WITHOUT_QUOTE:
1032                 compose = compose_reply(msginfo, FALSE,
1033                         TRUE, FALSE, FALSE, NULL);
1034                 break;
1035         case COMPOSE_REPLY_TO_LIST:
1036                 compose = compose_reply(msginfo, prefs_common.reply_with_quote,
1037                         FALSE, TRUE, FALSE, body);
1038                 break;
1039         case COMPOSE_REPLY_TO_LIST_WITH_QUOTE:
1040                 compose = compose_reply(msginfo, TRUE,
1041                         FALSE, TRUE, FALSE, body);
1042                 break;
1043         case COMPOSE_REPLY_TO_LIST_WITHOUT_QUOTE:
1044                 compose = compose_reply(msginfo, FALSE,
1045                         FALSE, TRUE, FALSE, NULL);
1046                 break;
1047         case COMPOSE_FORWARD:
1048                 if (prefs_common.forward_as_attachment) {
1049                         compose = compose_reply_mode(COMPOSE_FORWARD_AS_ATTACH, msginfo_list, body);
1050                         return compose;
1051                 } else {
1052                         compose = compose_reply_mode(COMPOSE_FORWARD_INLINE, msginfo_list, body);
1053                         return compose;
1054                 }
1055                 break;
1056         case COMPOSE_FORWARD_INLINE:
1057                 /* check if we reply to more than one Message */
1058                 if (list_len == 1) {
1059                         compose = compose_forward(NULL, msginfo, FALSE, body, FALSE);
1060                         break;
1061                 }
1062                 /* more messages FALL THROUGH */
1063         case COMPOSE_FORWARD_AS_ATTACH:
1064                 compose = compose_forward_multiple(NULL, msginfo_list);
1065                 break;
1066         case COMPOSE_REDIRECT:
1067                 compose = compose_redirect(NULL, msginfo);
1068                 break;
1069         default:
1070                 g_warning("compose_reply(): invalid Compose Mode: %d\n", mode);
1071         }
1072         return compose;
1073 }
1074
1075 Compose *compose_reply(MsgInfo *msginfo, gboolean quote, gboolean to_all,
1076                    gboolean to_ml, gboolean to_sender,
1077                    const gchar *body)
1078 {
1079         return compose_generic_reply(msginfo, quote, to_all, to_ml,
1080                               to_sender, FALSE, body);
1081 }
1082
1083 Compose *compose_followup_and_reply_to(MsgInfo *msginfo, gboolean quote,
1084                                    gboolean to_all,
1085                                    gboolean to_sender,
1086                                    const gchar *body)
1087 {
1088         return compose_generic_reply(msginfo, quote, to_all, FALSE,
1089                               to_sender, TRUE, body);
1090 }
1091
1092 static void compose_extract_original_charset(Compose *compose)
1093 {
1094         MsgInfo *info = NULL;
1095         if (compose->replyinfo) {
1096                 info = compose->replyinfo;
1097         } else if (compose->fwdinfo) {
1098                 info = compose->fwdinfo;
1099         } else if (compose->targetinfo) {
1100                 info = compose->targetinfo;
1101         }
1102         if (info) {
1103                 MimeInfo *mimeinfo = procmime_scan_message(info);
1104                 MimeInfo *partinfo = mimeinfo;
1105                 while (partinfo && partinfo->type != MIMETYPE_TEXT)
1106                         partinfo = procmime_mimeinfo_next(partinfo);
1107                 if (partinfo) {
1108                         compose->orig_charset =
1109                                 g_strdup(procmime_mimeinfo_get_parameter(
1110                                                 partinfo, "charset"));
1111                 }
1112                 procmime_mimeinfo_free_all(mimeinfo);
1113         }
1114 }
1115
1116 static Compose *compose_generic_reply(MsgInfo *msginfo, gboolean quote,
1117                                   gboolean to_all, gboolean to_ml,
1118                                   gboolean to_sender,
1119                                   gboolean followup_and_reply_to,
1120                                   const gchar *body)
1121 {
1122         GtkItemFactory *ifactory;
1123         Compose *compose;
1124         PrefsAccount *account = NULL;
1125         PrefsAccount *reply_account;
1126         GtkTextView *textview;
1127         GtkTextBuffer *textbuf;
1128         GtkTextIter iter;
1129         int cursor_pos;
1130
1131         g_return_val_if_fail(msginfo != NULL, NULL);
1132         g_return_val_if_fail(msginfo->folder != NULL, NULL);
1133
1134         account = account_get_reply_account(msginfo, prefs_common.reply_account_autosel);
1135
1136         g_return_val_if_fail(account != NULL, NULL);
1137
1138         if (to_sender && account->protocol == A_NNTP &&
1139             !followup_and_reply_to) {
1140                 reply_account =
1141                         account_find_from_address(account->address);
1142                 if (!reply_account)
1143                         reply_account = compose_current_mail_account();
1144                 if (!reply_account)
1145                         return NULL;
1146         } else
1147                 reply_account = account;
1148
1149         compose = compose_create(account, COMPOSE_REPLY);
1150         ifactory = gtk_item_factory_from_widget(compose->menubar);
1151
1152         menu_set_active(ifactory, "/Options/Remove references", FALSE);
1153         menu_set_sensitive(ifactory, "/Options/Remove references", TRUE);
1154
1155         compose->replyinfo = procmsg_msginfo_get_full_info(msginfo);
1156
1157         if (!compose->replyinfo)
1158                 compose->replyinfo = procmsg_msginfo_copy(msginfo);
1159
1160         compose_extract_original_charset(compose);
1161
1162         if (msginfo->folder && msginfo->folder->ret_rcpt)
1163                 menu_set_active(ifactory, "/Options/Request Return Receipt", TRUE);
1164
1165         /* Set save folder */
1166         if (msginfo->folder && msginfo->folder->prefs && msginfo->folder->prefs->save_copy_to_folder) {
1167                 gchar *folderidentifier;
1168
1169                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), TRUE);
1170                 folderidentifier = folder_item_get_identifier(msginfo->folder);
1171                 gtk_entry_set_text(GTK_ENTRY(compose->savemsg_entry), folderidentifier);
1172                 g_free(folderidentifier);
1173         }
1174
1175         if (compose_parse_header(compose, msginfo) < 0) return NULL;
1176         compose_reply_set_entry(compose, msginfo, to_all, to_ml,
1177                                 to_sender, followup_and_reply_to);
1178         compose_show_first_last_header(compose, TRUE);
1179
1180         textview = (GTK_TEXT_VIEW(compose->text));
1181         textbuf = gtk_text_view_get_buffer(textview);
1182         compose_create_tags(textview, compose);
1183
1184         undo_block(compose->undostruct);
1185 #ifdef USE_ASPELL
1186         if (msginfo->folder && msginfo->folder->prefs &&
1187             msginfo->folder->prefs &&
1188             msginfo->folder->prefs->enable_default_dictionary &&
1189             compose->gtkaspell)
1190                 gtkaspell_change_dict(compose->gtkaspell,
1191                     msginfo->folder->prefs->default_dictionary);
1192 #endif
1193
1194         if (quote) {
1195                 gchar *qmark;
1196
1197                 if (prefs_common.quotemark && *prefs_common.quotemark)
1198                         qmark = prefs_common.quotemark;
1199                 else
1200                         qmark = "> ";
1201
1202                 compose_quote_fmt(compose, compose->replyinfo,
1203                                   prefs_common.quotefmt,
1204                                   qmark, body);
1205         }
1206         if (procmime_msginfo_is_encrypted(compose->replyinfo)) {
1207                 compose_force_encryption(compose, account, FALSE);
1208         }
1209
1210         if (account->auto_sig)
1211                 compose_insert_sig(compose, FALSE);
1212
1213         cursor_pos = quote_fmt_get_cursor_pos();
1214         gtk_text_buffer_get_start_iter(textbuf, &iter);
1215         gtk_text_buffer_get_iter_at_offset(textbuf, &iter, cursor_pos);
1216         gtk_text_buffer_place_cursor(textbuf, &iter);
1217
1218         compose_wrap_all(compose);
1219
1220         gtk_widget_grab_focus(compose->text);
1221
1222         undo_unblock(compose->undostruct);
1223
1224         if (prefs_common.auto_exteditor)
1225                 compose_exec_ext_editor(compose);
1226
1227         compose_set_title(compose);
1228         return compose;
1229 }
1230
1231 #define INSERT_FW_HEADER(var, hdr) \
1232 if (msginfo->var && *msginfo->var) { \
1233         gtk_stext_insert(text, NULL, NULL, NULL, hdr, -1); \
1234         gtk_stext_insert(text, NULL, NULL, NULL, msginfo->var, -1); \
1235         gtk_stext_insert(text, NULL, NULL, NULL, "\n", 1); \
1236 }
1237
1238 Compose *compose_forward(PrefsAccount *account, MsgInfo *msginfo,
1239                          gboolean as_attach, const gchar *body,
1240                          gboolean no_extedit)
1241 {
1242         Compose *compose;
1243         GtkTextView *textview;
1244         GtkTextBuffer *textbuf;
1245         GtkTextIter iter;
1246
1247         g_return_val_if_fail(msginfo != NULL, NULL);
1248         g_return_val_if_fail(msginfo->folder != NULL, NULL);
1249
1250         if (!account &&
1251             !(account = compose_guess_forward_account_from_msginfo
1252                                 (msginfo)))
1253                 account = cur_account;
1254
1255         compose = compose_create(account, COMPOSE_FORWARD);
1256
1257         compose->fwdinfo = procmsg_msginfo_get_full_info(msginfo);
1258         if (!compose->fwdinfo)
1259                 compose->fwdinfo = procmsg_msginfo_copy(msginfo);
1260
1261         compose_extract_original_charset(compose);
1262
1263         if (msginfo->subject && *msginfo->subject) {
1264                 gchar *buf, *buf2, *p;
1265
1266                 buf = p = g_strdup(msginfo->subject);
1267                 p += subject_get_prefix_length(p);
1268                 memmove(buf, p, strlen(p) + 1);
1269
1270                 buf2 = g_strdup_printf("Fw: %s", buf);
1271                 gtk_entry_set_text(GTK_ENTRY(compose->subject_entry), buf2);
1272
1273                 g_free(buf);
1274                 g_free(buf2);
1275         }
1276
1277         textview = GTK_TEXT_VIEW(compose->text);
1278         textbuf = gtk_text_view_get_buffer(textview);
1279         compose_create_tags(textview, compose);
1280
1281         if (as_attach) {
1282                 gchar *msgfile;
1283
1284                 msgfile = procmsg_get_message_file_path(msginfo);
1285                 if (!is_file_exist(msgfile))
1286                         g_warning("%s: file not exist\n", msgfile);
1287                 else
1288                         compose_attach_append(compose, msgfile, msgfile,
1289                                               "message/rfc822");
1290
1291                 g_free(msgfile);
1292         } else {
1293                 gchar *qmark;
1294                 MsgInfo *full_msginfo;
1295
1296                 full_msginfo = procmsg_msginfo_get_full_info(msginfo);
1297                 if (!full_msginfo)
1298                         full_msginfo = procmsg_msginfo_copy(msginfo);
1299
1300                 if (prefs_common.fw_quotemark &&
1301                     *prefs_common.fw_quotemark)
1302                         qmark = prefs_common.fw_quotemark;
1303                 else
1304                         qmark = "> ";
1305
1306                 compose_quote_fmt(compose, full_msginfo,
1307                                   prefs_common.fw_quotefmt,
1308                                   qmark, body);
1309                 compose_attach_parts(compose, msginfo);
1310
1311                 procmsg_msginfo_free(full_msginfo);
1312         }
1313
1314         if (account->auto_sig)
1315                 compose_insert_sig(compose, FALSE);
1316
1317         compose_wrap_all(compose);
1318
1319         gtk_text_buffer_get_start_iter(textbuf, &iter);
1320         gtk_text_buffer_place_cursor(textbuf, &iter);
1321
1322         gtk_widget_grab_focus(compose->header_last->entry);
1323
1324         if (!no_extedit && prefs_common.auto_exteditor)
1325                 compose_exec_ext_editor(compose);
1326
1327         /*save folder*/
1328         if (msginfo->folder && msginfo->folder->prefs && msginfo->folder->prefs->save_copy_to_folder) {
1329                 gchar *folderidentifier;
1330
1331                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), TRUE);
1332                 folderidentifier = folder_item_get_identifier(msginfo->folder);
1333                 gtk_entry_set_text(GTK_ENTRY(compose->savemsg_entry), folderidentifier);
1334                 g_free(folderidentifier);
1335         }
1336
1337         compose_set_title(compose);
1338         return compose;
1339 }
1340
1341 #undef INSERT_FW_HEADER
1342
1343 Compose *compose_forward_multiple(PrefsAccount *account, GSList *msginfo_list)
1344 {
1345         Compose *compose;
1346         GtkTextView *textview;
1347         GtkTextBuffer *textbuf;
1348         GtkTextIter iter;
1349         GSList *msginfo;
1350         gchar *msgfile;
1351         gboolean single_mail = TRUE;
1352
1353         g_return_val_if_fail(msginfo_list != NULL, NULL);
1354
1355         if (g_slist_length(msginfo_list) > 1)
1356                 single_mail = FALSE;
1357
1358         for (msginfo = msginfo_list; msginfo != NULL; msginfo = msginfo->next)
1359                 if (((MsgInfo *)msginfo->data)->folder == NULL)
1360                         return NULL;
1361
1362         /* guess account from first selected message */
1363         if (!account &&
1364             !(account = compose_guess_forward_account_from_msginfo
1365                                 (msginfo_list->data)))
1366                 account = cur_account;
1367
1368         g_return_val_if_fail(account != NULL, NULL);
1369
1370         for (msginfo = msginfo_list; msginfo != NULL; msginfo = msginfo->next) {
1371                 MSG_UNSET_PERM_FLAGS(((MsgInfo *)msginfo->data)->flags, MSG_REPLIED);
1372                 MSG_SET_PERM_FLAGS(((MsgInfo *)msginfo->data)->flags, MSG_FORWARDED);
1373         }
1374
1375         compose = compose_create(account, COMPOSE_FORWARD);
1376
1377         textview = GTK_TEXT_VIEW(compose->text);
1378         textbuf = gtk_text_view_get_buffer(textview);
1379         compose_create_tags(textview, compose);
1380
1381         for (msginfo = msginfo_list; msginfo != NULL; msginfo = msginfo->next) {
1382                 msgfile = procmsg_get_message_file_path((MsgInfo *)msginfo->data);
1383                 if (!is_file_exist(msgfile))
1384                         g_warning("%s: file not exist\n", msgfile);
1385                 else
1386                         compose_attach_append(compose, msgfile, msgfile,
1387                                 "message/rfc822");
1388                 g_free(msgfile);
1389         }
1390
1391         if (single_mail) {
1392                 MsgInfo *info = (MsgInfo *)msginfo_list->data;
1393                 if (info->subject && *info->subject) {
1394                         gchar *buf, *buf2, *p;
1395
1396                         buf = p = g_strdup(info->subject);
1397                         p += subject_get_prefix_length(p);
1398                         memmove(buf, p, strlen(p) + 1);
1399
1400                         buf2 = g_strdup_printf("Fw: %s", buf);
1401                         gtk_entry_set_text(GTK_ENTRY(compose->subject_entry), buf2);
1402
1403                         g_free(buf);
1404                         g_free(buf2);
1405                 }
1406         } else {
1407                 gtk_entry_set_text(GTK_ENTRY(compose->subject_entry),
1408                         _("Fw: multiple emails"));
1409         }
1410
1411         if (account->auto_sig)
1412                 compose_insert_sig(compose, FALSE);
1413
1414         compose_wrap_all(compose);
1415
1416         gtk_text_buffer_get_start_iter(textbuf, &iter);
1417         gtk_text_buffer_place_cursor(textbuf, &iter);
1418
1419         gtk_widget_grab_focus(compose->header_last->entry);
1420
1421         compose_set_title(compose);
1422         return compose;
1423 }
1424
1425 static gboolean compose_is_sig_separator(Compose *compose, GtkTextBuffer *textbuf, GtkTextIter *iter)
1426 {
1427         GtkTextIter start = *iter;
1428         GtkTextIter end_iter;
1429         int start_pos = gtk_text_iter_get_offset(&start);
1430
1431         if (!compose->account->sig_sep)
1432                 return FALSE;
1433
1434         gtk_text_buffer_get_iter_at_offset(textbuf, &end_iter,
1435                 start_pos+strlen(compose->account->sig_sep));
1436
1437         /* check sig separator */
1438         if (!strcmp(gtk_text_iter_get_text(&start, &end_iter),
1439                         compose->account->sig_sep)) {
1440                 /* check end of line (\n) */
1441                 gtk_text_buffer_get_iter_at_offset(textbuf, &start,
1442                         start_pos+strlen(compose->account->sig_sep));
1443                 gtk_text_buffer_get_iter_at_offset(textbuf, &end_iter,
1444                         start_pos+strlen(compose->account->sig_sep)+1);
1445
1446                 if (!strcmp(gtk_text_iter_get_text(&start, &end_iter),"\n"));
1447                         return TRUE;
1448
1449
1450         }
1451
1452         return FALSE;
1453 }
1454
1455 static void compose_colorize_signature(Compose *compose)
1456 {
1457         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(compose->text));
1458         GtkTextIter iter;
1459         GtkTextIter end_iter;
1460         gtk_text_buffer_get_start_iter(buffer, &iter);
1461         while (gtk_text_iter_forward_line(&iter))
1462                 if (compose_is_sig_separator(compose, buffer, &iter)) {
1463                         gtk_text_buffer_get_end_iter(buffer, &end_iter);
1464                         gtk_text_buffer_apply_tag_by_name(buffer,"signature",&iter, &end_iter);
1465                 }
1466 }
1467
1468 void compose_reedit(MsgInfo *msginfo)
1469 {
1470         Compose *compose = NULL;
1471         PrefsAccount *account = NULL;
1472         GtkTextView *textview;
1473         GtkTextBuffer *textbuf;
1474         GtkTextMark *mark;
1475         GtkTextIter iter;
1476         FILE *fp;
1477         gchar buf[BUFFSIZE];
1478         gboolean use_signing = FALSE;
1479         gboolean use_encryption = FALSE;
1480         gchar *privacy_system = NULL;
1481
1482         g_return_if_fail(msginfo != NULL);
1483         g_return_if_fail(msginfo->folder != NULL);
1484
1485         if (compose_put_existing_to_front(msginfo))
1486                 return;
1487
1488         if (folder_has_parent_of_type(msginfo->folder, F_QUEUE) ||
1489             folder_has_parent_of_type(msginfo->folder, F_DRAFT)) {
1490                 gchar queueheader_buf[BUFFSIZE];
1491                 gint id, param;
1492
1493                 /* Select Account from queue headers */
1494                 if (!procheader_get_header_from_msginfo(msginfo, queueheader_buf,
1495                                              sizeof(queueheader_buf), "X-Sylpheed-Account-Id:")) {
1496                         id = atoi(&queueheader_buf[strlen("X-Sylpheed-Account-Id:")]);
1497                         account = account_find_from_id(id);
1498                 }
1499                 if (!account && !procheader_get_header_from_msginfo(msginfo, queueheader_buf,
1500                                              sizeof(queueheader_buf), "NAID:")) {
1501                         id = atoi(&queueheader_buf[strlen("NAID:")]);
1502                         account = account_find_from_id(id);
1503                 }
1504                 if (!account && !procheader_get_header_from_msginfo(msginfo, queueheader_buf,
1505                                                     sizeof(queueheader_buf), "MAID:")) {
1506                         id = atoi(&queueheader_buf[strlen("MAID:")]);
1507                         account = account_find_from_id(id);
1508                 }
1509                 if (!account && !procheader_get_header_from_msginfo(msginfo, queueheader_buf,
1510                                                                 sizeof(queueheader_buf), "S:")) {
1511                         account = account_find_from_address(queueheader_buf);
1512                 }
1513                 if (!procheader_get_header_from_msginfo(msginfo, queueheader_buf,
1514                                              sizeof(queueheader_buf), "X-Sylpheed-Sign:")) {
1515                         param = atoi(&queueheader_buf[strlen("X-Sylpheed-Sign:")]);
1516                         use_signing = param;
1517
1518                 }
1519                 if (!procheader_get_header_from_msginfo(msginfo, queueheader_buf,
1520                                              sizeof(queueheader_buf), "X-Sylpheed-Encrypt:")) {
1521                         param = atoi(&queueheader_buf[strlen("X-Sylpheed-Encrypt:")]);
1522                         use_encryption = param;
1523                 }
1524                 if (!procheader_get_header_from_msginfo(msginfo, queueheader_buf,
1525                                             sizeof(queueheader_buf), "X-Sylpheed-Privacy-System:")) {
1526                         privacy_system = g_strdup(&queueheader_buf[strlen("X-Sylpheed-Privacy-System:")]);
1527                 }
1528                 if (!procheader_get_header_from_msginfo(msginfo, queueheader_buf,
1529                                              sizeof(queueheader_buf), "X-Priority: ")) {
1530                         param = atoi(&queueheader_buf[strlen("X-Priority: ")]); /* mind the space */
1531                         compose->priority = param;
1532                 }
1533         } else
1534                 account = msginfo->folder->folder->account;
1535
1536         if (!account && prefs_common.reedit_account_autosel) {
1537                 gchar from[BUFFSIZE];
1538                 if (!procheader_get_header_from_msginfo(msginfo, from, sizeof(from), "FROM:")){
1539                         extract_address(from);
1540                         account = account_find_from_address(from);
1541                 }
1542         }
1543         if (!account) account = cur_account;
1544         g_return_if_fail(account != NULL);
1545
1546         compose = compose_create(account, COMPOSE_REEDIT);
1547         if (privacy_system != NULL) {
1548                 compose->privacy_system = privacy_system;
1549                 compose_use_signing(compose, use_signing);
1550                 compose_use_encryption(compose, use_encryption);
1551                 compose_update_privacy_system_menu_item(compose, FALSE);
1552         } else {
1553                 activate_privacy_system(compose, account, FALSE);
1554         }
1555         compose->targetinfo = procmsg_msginfo_copy(msginfo);
1556
1557         compose_extract_original_charset(compose);
1558
1559         if (folder_has_parent_of_type(msginfo->folder, F_QUEUE) ||
1560             folder_has_parent_of_type(msginfo->folder, F_DRAFT)) {
1561                 gchar queueheader_buf[BUFFSIZE];
1562
1563                 /* Set message save folder */
1564                 if (!procheader_get_header_from_msginfo(msginfo, queueheader_buf, sizeof(queueheader_buf), "SCF:")) {
1565                         gint startpos = 0;
1566
1567                         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), TRUE);
1568                         gtk_editable_delete_text(GTK_EDITABLE(compose->savemsg_entry), 0, -1);
1569                         gtk_editable_insert_text(GTK_EDITABLE(compose->savemsg_entry), &queueheader_buf[4], strlen(&queueheader_buf[4]), &startpos);
1570                 }
1571         }
1572
1573         if (compose_parse_header(compose, msginfo) < 0) return;
1574         compose_reedit_set_entry(compose, msginfo);
1575
1576         textview = GTK_TEXT_VIEW(compose->text);
1577         textbuf = gtk_text_view_get_buffer(textview);
1578         compose_create_tags(textview, compose);
1579
1580         mark = gtk_text_buffer_get_insert(textbuf);
1581         gtk_text_buffer_get_iter_at_mark(textbuf, &iter, mark);
1582
1583         g_signal_handlers_block_by_func(G_OBJECT(textbuf),
1584                                         G_CALLBACK(compose_changed_cb),
1585                                         compose);
1586
1587         if (procmime_msginfo_is_encrypted(msginfo)) {
1588                 fp = procmime_get_first_encrypted_text_content(msginfo);
1589                 if (fp)
1590                         compose_force_encryption(compose, account, TRUE);
1591         } else
1592                 fp = procmime_get_first_text_content(msginfo);
1593         if (fp == NULL)
1594                 g_warning("Can't get text part\n");
1595
1596         if (fp != NULL) {
1597                 gboolean prev_autowrap = compose->autowrap;
1598
1599                 compose->autowrap = FALSE;
1600                 while (fgets(buf, sizeof(buf), fp) != NULL) {
1601                         strcrchomp(buf);
1602                         gtk_text_buffer_insert(textbuf, &iter, buf, -1);
1603                 }
1604                 compose_wrap_all_full(compose, FALSE);
1605                 compose->autowrap = prev_autowrap;
1606                 fclose(fp);
1607         }
1608
1609         compose_attach_parts(compose, msginfo);
1610
1611         compose_colorize_signature(compose);
1612
1613         g_signal_handlers_unblock_by_func(G_OBJECT(textbuf),
1614                                         G_CALLBACK(compose_changed_cb),
1615                                         compose);
1616
1617         gtk_widget_grab_focus(compose->text);
1618
1619         if (prefs_common.auto_exteditor)
1620                 compose_exec_ext_editor(compose);
1621         compose_set_title(compose);
1622 }
1623
1624 Compose *compose_redirect(PrefsAccount *account, MsgInfo *msginfo)
1625 {
1626         Compose *compose;
1627         gchar *filename;
1628         GtkItemFactory *ifactory;
1629         FolderItem *item;
1630
1631         g_return_val_if_fail(msginfo != NULL, NULL);
1632
1633         if (!account)
1634                 account = account_get_reply_account(msginfo,
1635                                         prefs_common.reply_account_autosel);
1636         g_return_val_if_fail(account != NULL, NULL);
1637
1638         compose = compose_create(account, COMPOSE_REDIRECT);
1639         ifactory = gtk_item_factory_from_widget(compose->menubar);
1640         compose_create_tags(GTK_TEXT_VIEW(compose->text), compose);
1641         compose->replyinfo = NULL;
1642         compose->fwdinfo = NULL;
1643
1644         compose_show_first_last_header(compose, TRUE);
1645
1646         gtk_widget_grab_focus(compose->header_last->entry);
1647
1648         filename = procmsg_get_message_file_path(msginfo);
1649         if (filename == NULL)
1650                 return NULL;
1651
1652         compose->redirect_filename = filename;
1653
1654         /* Set save folder */
1655         item = msginfo->folder;
1656         if (item && item->prefs && item->prefs->save_copy_to_folder) {
1657                 gchar *folderidentifier;
1658
1659                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), prefs_common.savemsg);
1660                 folderidentifier = folder_item_get_identifier(item);
1661                 gtk_entry_set_text(GTK_ENTRY(compose->savemsg_entry), folderidentifier);
1662                 g_free(folderidentifier);
1663         }
1664
1665         compose_attach_parts(compose, msginfo);
1666
1667         if (msginfo->subject)
1668                 gtk_entry_set_text(GTK_ENTRY(compose->subject_entry),
1669                                    msginfo->subject);
1670         gtk_editable_set_editable(GTK_EDITABLE(compose->subject_entry), FALSE);
1671
1672         compose_quote_fmt(compose, msginfo, "%M", NULL, NULL);
1673         gtk_text_view_set_editable(GTK_TEXT_VIEW(compose->text), FALSE);
1674
1675         compose_colorize_signature(compose);
1676
1677         ifactory = gtk_item_factory_from_widget(compose->popupmenu);
1678         menu_set_sensitive(ifactory, "/Add...", FALSE);
1679         menu_set_sensitive(ifactory, "/Remove", FALSE);
1680         menu_set_sensitive(ifactory, "/Properties...", FALSE);
1681
1682         ifactory = gtk_item_factory_from_widget(compose->menubar);
1683         menu_set_sensitive(ifactory, "/Message/Save", FALSE);
1684         menu_set_sensitive(ifactory, "/Message/Insert file", FALSE);
1685         menu_set_sensitive(ifactory, "/Message/Attach file", FALSE);
1686         menu_set_sensitive(ifactory, "/Message/Insert signature", FALSE);
1687         menu_set_sensitive(ifactory, "/Edit", FALSE);
1688         menu_set_sensitive(ifactory, "/Options", FALSE);
1689         menu_set_sensitive(ifactory, "/Tools/Show ruler", FALSE);
1690         menu_set_sensitive(ifactory, "/Tools/Actions", FALSE);
1691
1692         gtk_widget_set_sensitive(compose->toolbar->draft_btn, FALSE);
1693         gtk_widget_set_sensitive(compose->toolbar->insert_btn, FALSE);
1694         gtk_widget_set_sensitive(compose->toolbar->attach_btn, FALSE);
1695         gtk_widget_set_sensitive(compose->toolbar->sig_btn, FALSE);
1696         gtk_widget_set_sensitive(compose->toolbar->exteditor_btn, FALSE);
1697         gtk_widget_set_sensitive(compose->toolbar->linewrap_current_btn, FALSE);
1698         gtk_widget_set_sensitive(compose->toolbar->linewrap_all_btn, FALSE);
1699
1700         compose_set_title(compose);
1701         return compose;
1702 }
1703
1704 GList *compose_get_compose_list(void)
1705 {
1706         return compose_list;
1707 }
1708
1709 void compose_entry_append(Compose *compose, const gchar *address,
1710                           ComposeEntryType type)
1711 {
1712         gchar *header;
1713         gchar *cur, *begin;
1714         gboolean in_quote = FALSE;
1715         if (!address || *address == '\0') return;
1716
1717         switch (type) {
1718         case COMPOSE_CC:
1719                 header = N_("Cc:");
1720                 break;
1721         case COMPOSE_BCC:
1722                 header = N_("Bcc:");
1723                 break;
1724         case COMPOSE_REPLYTO:
1725                 header = N_("Reply-To:");
1726                 break;
1727         case COMPOSE_NEWSGROUPS:
1728                 header = N_("Newsgroups:");
1729                 break;
1730         case COMPOSE_FOLLOWUPTO:
1731                 header = N_( "Followup-To:");
1732                 break;
1733         case COMPOSE_TO:
1734         default:
1735                 header = N_("To:");
1736                 break;
1737         }
1738         header = prefs_common.trans_hdr ? gettext(header) : header;
1739
1740         cur = begin = (gchar *)address;
1741
1742         /* we separate the line by commas, but not if we're inside a quoted
1743          * string */
1744         while (*cur != '\0') {
1745                 if (*cur == '"')
1746                         in_quote = !in_quote;
1747                 if (*cur == ',' && !in_quote) {
1748                         gchar *tmp = g_strdup(begin);
1749                         gchar *o_tmp = tmp;
1750                         tmp[cur-begin]='\0';
1751                         cur++;
1752                         begin = cur;
1753                         while (*tmp == ' ')
1754                                 tmp++;
1755                         compose_add_header_entry(compose, header, tmp);
1756                         g_free(o_tmp);
1757                         continue;
1758                 }
1759                 cur++;
1760         }
1761         if (begin < cur) {
1762                 gchar *tmp = g_strdup(begin);
1763                 gchar *o_tmp = tmp;
1764                 tmp[cur-begin]='\0';
1765                 cur++;
1766                 begin = cur;
1767                 while (*tmp == ' ')
1768                         tmp++;
1769                 compose_add_header_entry(compose, header, tmp);
1770                 g_free(o_tmp);
1771         }
1772 }
1773
1774 void compose_entry_mark_default_to(Compose *compose, const gchar *mailto)
1775 {
1776         static GtkStyle *bold_style = NULL;
1777         static GdkColor bold_color;
1778         GSList *h_list;
1779         GtkEntry *entry;
1780
1781         for (h_list = compose->header_list; h_list != NULL; h_list = h_list->next) {
1782                 entry = GTK_ENTRY(((ComposeHeaderEntry *)h_list->data)->entry);
1783                 if (gtk_entry_get_text(entry) &&
1784                     !g_utf8_collate(gtk_entry_get_text(entry), mailto)) {
1785                         gtk_widget_ensure_style(GTK_WIDGET(entry));
1786                         if (!bold_style) {
1787                                 gtkut_convert_int_to_gdk_color
1788                                         (prefs_common.color_new, &bold_color);
1789                                 bold_style = gtk_style_copy(gtk_widget_get_style
1790                                         (GTK_WIDGET(entry)));
1791                                 pango_font_description_set_weight
1792                                         (bold_style->font_desc, PANGO_WEIGHT_BOLD);
1793                                 bold_style->fg[GTK_STATE_NORMAL] = bold_color;
1794                         }
1795                         gtk_widget_set_style(GTK_WIDGET(entry), bold_style);
1796                 }
1797         }
1798 }
1799
1800 void compose_toolbar_cb(gint action, gpointer data)
1801 {
1802         ToolbarItem *toolbar_item = (ToolbarItem*)data;
1803         Compose *compose = (Compose*)toolbar_item->parent;
1804
1805         g_return_if_fail(compose != NULL);
1806
1807         switch(action) {
1808         case A_SEND:
1809                 compose_send_cb(compose, 0, NULL);
1810                 break;
1811         case A_SENDL:
1812                 compose_send_later_cb(compose, 0, NULL);
1813                 break;
1814         case A_DRAFT:
1815                 compose_draft_cb(compose, COMPOSE_QUIT_EDITING, NULL);
1816                 break;
1817         case A_INSERT:
1818                 compose_insert_file_cb(compose, 0, NULL);
1819                 break;
1820         case A_ATTACH:
1821                 compose_attach_cb(compose, 0, NULL);
1822                 break;
1823         case A_SIG:
1824                 compose_insert_sig(compose, FALSE);
1825                 break;
1826         case A_EXTEDITOR:
1827                 compose_ext_editor_cb(compose, 0, NULL);
1828                 break;
1829         case A_LINEWRAP_CURRENT:
1830                 compose_beautify_paragraph(compose, NULL, TRUE);
1831                 break;
1832         case A_LINEWRAP_ALL:
1833                 compose_wrap_all_full(compose, TRUE);
1834                 break;
1835         case A_ADDRBOOK:
1836                 compose_address_cb(compose, 0, NULL);
1837                 break;
1838 #ifdef USE_ASPELL
1839         case A_CHECK_SPELLING:
1840                 compose_check_all(compose);
1841                 break;
1842 #endif
1843         default:
1844                 break;
1845         }
1846 }
1847
1848 static void compose_entries_set(Compose *compose, const gchar *mailto)
1849 {
1850         gchar *to = NULL;
1851         gchar *cc = NULL;
1852         gchar *subject = NULL;
1853         gchar *body = NULL;
1854         gchar *temp = NULL;
1855         gint  len = 0;
1856
1857         scan_mailto_url(mailto, &to, &cc, NULL, &subject, &body);
1858
1859         if (to)
1860                 compose_entry_append(compose, to, COMPOSE_TO);
1861         if (cc)
1862                 compose_entry_append(compose, cc, COMPOSE_CC);
1863         if (subject) {
1864                 if (!g_utf8_validate (subject, -1, NULL)) {
1865                         temp = g_locale_to_utf8 (subject, -1, NULL, &len, NULL);
1866                         gtk_entry_set_text(GTK_ENTRY(compose->subject_entry), temp);
1867                         g_free(temp);
1868                 } else {
1869                         gtk_entry_set_text(GTK_ENTRY(compose->subject_entry), subject);
1870                 }
1871         }
1872         if (body) {
1873                 GtkTextView *text = GTK_TEXT_VIEW(compose->text);
1874                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1875                 GtkTextMark *mark;
1876                 GtkTextIter iter;
1877                 gboolean prev_autowrap = compose->autowrap;
1878
1879                 compose->autowrap = FALSE;
1880
1881                 mark = gtk_text_buffer_get_insert(buffer);
1882                 gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
1883
1884                 if (!g_utf8_validate (body, -1, NULL)) {
1885                         temp = g_locale_to_utf8 (body, -1, NULL, &len, NULL);
1886                         gtk_text_buffer_insert(buffer, &iter, temp, -1);
1887                         g_free(temp);
1888                 } else {
1889                         gtk_text_buffer_insert(buffer, &iter, body, -1);
1890                 }
1891                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
1892
1893                 compose->autowrap = prev_autowrap;
1894                 if (compose->autowrap)
1895                         compose_wrap_all(compose);
1896         }
1897
1898         g_free(to);
1899         g_free(cc);
1900         g_free(subject);
1901         g_free(body);
1902 }
1903
1904 static gint compose_parse_header(Compose *compose, MsgInfo *msginfo)
1905 {
1906         static HeaderEntry hentry[] = {{"Reply-To:",    NULL, TRUE},
1907                                        {"Cc:",          NULL, TRUE},
1908                                        {"References:",  NULL, FALSE},
1909                                        {"Bcc:",         NULL, TRUE},
1910                                        {"Newsgroups:",  NULL, TRUE},
1911                                        {"Followup-To:", NULL, TRUE},
1912                                        {"List-Post:",   NULL, FALSE},
1913                                        {"X-Priority:",  NULL, FALSE},
1914                                        {NULL,           NULL, FALSE}};
1915
1916         enum
1917         {
1918                 H_REPLY_TO      = 0,
1919                 H_CC            = 1,
1920                 H_REFERENCES    = 2,
1921                 H_BCC           = 3,
1922                 H_NEWSGROUPS    = 4,
1923                 H_FOLLOWUP_TO   = 5,
1924                 H_LIST_POST     = 6,
1925                 H_X_PRIORITY    = 7
1926         };
1927
1928         FILE *fp;
1929
1930         g_return_val_if_fail(msginfo != NULL, -1);
1931
1932         if ((fp = procmsg_open_message(msginfo)) == NULL) return -1;
1933         procheader_get_header_fields(fp, hentry);
1934         fclose(fp);
1935
1936         if (hentry[H_REPLY_TO].body != NULL) {
1937                 if (hentry[H_REPLY_TO].body[0] != '\0') {
1938                         compose->replyto =
1939                                 conv_unmime_header(hentry[H_REPLY_TO].body,
1940                                                    NULL);
1941                 }
1942                 g_free(hentry[H_REPLY_TO].body);
1943                 hentry[H_REPLY_TO].body = NULL;
1944         }
1945         if (hentry[H_CC].body != NULL) {
1946                 compose->cc = conv_unmime_header(hentry[H_CC].body, NULL);
1947                 g_free(hentry[H_CC].body);
1948                 hentry[H_CC].body = NULL;
1949         }
1950         if (hentry[H_REFERENCES].body != NULL) {
1951                 if (compose->mode == COMPOSE_REEDIT)
1952                         compose->references = hentry[H_REFERENCES].body;
1953                 else {
1954                         compose->references = compose_parse_references
1955                                 (hentry[H_REFERENCES].body, msginfo->msgid);
1956                         g_free(hentry[H_REFERENCES].body);
1957                 }
1958                 hentry[H_REFERENCES].body = NULL;
1959         }
1960         if (hentry[H_BCC].body != NULL) {
1961                 if (compose->mode == COMPOSE_REEDIT)
1962                         compose->bcc =
1963                                 conv_unmime_header(hentry[H_BCC].body, NULL);
1964                 g_free(hentry[H_BCC].body);
1965                 hentry[H_BCC].body = NULL;
1966         }
1967         if (hentry[H_NEWSGROUPS].body != NULL) {
1968                 compose->newsgroups = hentry[H_NEWSGROUPS].body;
1969                 hentry[H_NEWSGROUPS].body = NULL;
1970         }
1971         if (hentry[H_FOLLOWUP_TO].body != NULL) {
1972                 if (hentry[H_FOLLOWUP_TO].body[0] != '\0') {
1973                         compose->followup_to =
1974                                 conv_unmime_header(hentry[H_FOLLOWUP_TO].body,
1975                                                    NULL);
1976                 }
1977                 g_free(hentry[H_FOLLOWUP_TO].body);
1978                 hentry[H_FOLLOWUP_TO].body = NULL;
1979         }
1980         if (hentry[H_LIST_POST].body != NULL) {
1981                 gchar *to = NULL;
1982
1983                 extract_address(hentry[H_LIST_POST].body);
1984                 if (hentry[H_LIST_POST].body[0] != '\0') {
1985                         scan_mailto_url(hentry[H_LIST_POST].body,
1986                                         &to, NULL, NULL, NULL, NULL);
1987                         if (to) {
1988                                 g_free(compose->ml_post);
1989                                 compose->ml_post = to;
1990                         }
1991                 }
1992                 g_free(hentry[H_LIST_POST].body);
1993                 hentry[H_LIST_POST].body = NULL;
1994         }
1995
1996         /* CLAWS - X-Priority */
1997         if (compose->mode == COMPOSE_REEDIT)
1998                 if (hentry[H_X_PRIORITY].body != NULL) {
1999                         gint priority;
2000
2001                         priority = atoi(hentry[H_X_PRIORITY].body);
2002                         g_free(hentry[H_X_PRIORITY].body);
2003
2004                         hentry[H_X_PRIORITY].body = NULL;
2005
2006                         if (priority < PRIORITY_HIGHEST ||
2007                             priority > PRIORITY_LOWEST)
2008                                 priority = PRIORITY_NORMAL;
2009
2010                         compose->priority =  priority;
2011                 }
2012
2013         if (compose->mode == COMPOSE_REEDIT) {
2014                 if (msginfo->inreplyto && *msginfo->inreplyto)
2015                         compose->inreplyto = g_strdup(msginfo->inreplyto);
2016                 return 0;
2017         }
2018
2019         if (msginfo->msgid && *msginfo->msgid)
2020                 compose->inreplyto = g_strdup(msginfo->msgid);
2021
2022         if (!compose->references) {
2023                 if (msginfo->msgid && *msginfo->msgid) {
2024                         if (msginfo->inreplyto && *msginfo->inreplyto)
2025                                 compose->references =
2026                                         g_strdup_printf("<%s>\n\t<%s>",
2027                                                         msginfo->inreplyto,
2028                                                         msginfo->msgid);
2029                         else
2030                                 compose->references =
2031                                         g_strconcat("<", msginfo->msgid, ">",
2032                                                     NULL);
2033                 } else if (msginfo->inreplyto && *msginfo->inreplyto) {
2034                         compose->references =
2035                                 g_strconcat("<", msginfo->inreplyto, ">",
2036                                             NULL);
2037                 }
2038         }
2039
2040         return 0;
2041 }
2042
2043 static gchar *compose_parse_references(const gchar *ref, const gchar *msgid)
2044 {
2045         GSList *ref_id_list, *cur;
2046         GString *new_ref;
2047         gchar *new_ref_str;
2048
2049         ref_id_list = references_list_append(NULL, ref);
2050         if (!ref_id_list) return NULL;
2051         if (msgid && *msgid)
2052                 ref_id_list = g_slist_append(ref_id_list, g_strdup(msgid));
2053
2054         for (;;) {
2055                 gint len = 0;
2056
2057                 for (cur = ref_id_list; cur != NULL; cur = cur->next)
2058                         /* "<" + Message-ID + ">" + CR+LF+TAB */
2059                         len += strlen((gchar *)cur->data) + 5;
2060
2061                 if (len > MAX_REFERENCES_LEN) {
2062                         /* remove second message-ID */
2063                         if (ref_id_list && ref_id_list->next &&
2064                             ref_id_list->next->next) {
2065                                 g_free(ref_id_list->next->data);
2066                                 ref_id_list = g_slist_remove
2067                                         (ref_id_list, ref_id_list->next->data);
2068                         } else {
2069                                 slist_free_strings(ref_id_list);
2070                                 g_slist_free(ref_id_list);
2071                                 return NULL;
2072                         }
2073                 } else
2074                         break;
2075         }
2076
2077         new_ref = g_string_new("");
2078         for (cur = ref_id_list; cur != NULL; cur = cur->next) {
2079                 if (new_ref->len > 0)
2080                         g_string_append(new_ref, "\n\t");
2081                 g_string_append_printf(new_ref, "<%s>", (gchar *)cur->data);
2082         }
2083
2084         slist_free_strings(ref_id_list);
2085         g_slist_free(ref_id_list);
2086
2087         new_ref_str = new_ref->str;
2088         g_string_free(new_ref, FALSE);
2089
2090         return new_ref_str;
2091 }
2092
2093 static gchar *compose_quote_fmt(Compose *compose, MsgInfo *msginfo,
2094                                 const gchar *fmt, const gchar *qmark,
2095                                 const gchar *body)
2096 {
2097         static MsgInfo dummyinfo;
2098         gchar *quote_str = NULL;
2099         gchar *buf;
2100         gchar *p, *lastp;
2101         gint len;
2102         gboolean prev_autowrap;
2103         const gchar *trimmed_body = body;
2104         GtkTextView *text = GTK_TEXT_VIEW(compose->text);
2105         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2106
2107         if (!msginfo)
2108                 msginfo = &dummyinfo;
2109
2110         if (qmark != NULL) {
2111                 quote_fmt_init(msginfo, NULL, NULL);
2112                 quote_fmt_scan_string(qmark);
2113                 quote_fmt_parse();
2114
2115                 buf = quote_fmt_get_buffer();
2116                 if (buf == NULL)
2117                         alertpanel_error(_("Quote mark format error."));
2118                 else
2119                         Xstrdup_a(quote_str, buf, return NULL)
2120         }
2121
2122         if (fmt && *fmt != '\0') {
2123                 while (trimmed_body && strlen(trimmed_body) > 1
2124                         && trimmed_body[0]=='\n')
2125                         *trimmed_body++;
2126
2127                 quote_fmt_init(msginfo, quote_str, trimmed_body);
2128                 quote_fmt_scan_string(fmt);
2129                 quote_fmt_parse();
2130
2131                 buf = quote_fmt_get_buffer();
2132                 if (buf == NULL) {
2133                         alertpanel_error(_("Message reply/forward format error."));
2134                         return NULL;
2135                 }
2136         } else
2137                 buf = "";
2138
2139         prev_autowrap = compose->autowrap;
2140         compose->autowrap = FALSE;
2141
2142         g_signal_handlers_block_by_func(G_OBJECT(buffer),
2143                                 G_CALLBACK(compose_changed_cb),
2144                                 compose);
2145         g_signal_handlers_block_by_func(G_OBJECT(buffer),
2146                                 G_CALLBACK(text_inserted),
2147                                 compose);
2148         for (p = buf; *p != '\0'; ) {
2149                 GtkTextMark *mark;
2150                 GtkTextIter iter;
2151
2152
2153                 mark = gtk_text_buffer_get_insert(buffer);
2154                 gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
2155
2156                 lastp = strchr(p, '\n');
2157                 len = lastp ? lastp - p + 1 : -1;
2158
2159                 if (g_utf8_validate(p, -1, NULL)) {
2160                         gtk_text_buffer_insert(buffer, &iter, p, len);
2161                 } else {
2162                         gchar *tmpin = g_strdup(p);
2163                         gchar *tmpout = NULL;
2164                         tmpin[len] = '\0';
2165                         tmpout = conv_codeset_strdup
2166                                 (tmpin, conv_get_locale_charset_str(),
2167                                  CS_INTERNAL);
2168                         gtk_text_buffer_insert(buffer, &iter, tmpout, -1);
2169                         g_free(tmpin);
2170                         g_free(tmpout);
2171                 }
2172
2173                 if (lastp)
2174                         p = lastp + 1;
2175                 else
2176                         break;
2177         }
2178
2179         compose->autowrap = prev_autowrap;
2180         if (compose->autowrap)
2181                 compose_wrap_all(compose);
2182
2183         g_signal_handlers_unblock_by_func(G_OBJECT(buffer),
2184                                 G_CALLBACK(compose_changed_cb),
2185                                 compose);
2186         g_signal_handlers_unblock_by_func(G_OBJECT(buffer),
2187                                 G_CALLBACK(text_inserted),
2188                                 compose);
2189
2190
2191         return buf;
2192 }
2193
2194 static void compose_reply_set_entry(Compose *compose, MsgInfo *msginfo,
2195                                     gboolean to_all, gboolean to_ml,
2196                                     gboolean to_sender,
2197                                     gboolean followup_and_reply_to)
2198 {
2199         GSList *cc_list = NULL;
2200         GSList *cur;
2201         gchar *from = NULL;
2202         gchar *replyto = NULL;
2203         GHashTable *to_table;
2204
2205         g_return_if_fail(compose->account != NULL);
2206         g_return_if_fail(msginfo != NULL);
2207
2208         if (compose->account->protocol != A_NNTP) {
2209                 if (to_ml && compose->ml_post
2210                     && !(msginfo->folder &&
2211                          msginfo->folder->prefs->enable_default_reply_to)) {
2212                         compose_entry_append(compose,
2213                                            compose->ml_post,
2214                                            COMPOSE_TO);
2215                         if (compose->replyto) {
2216                                 gchar *tmp1 = NULL, *tmp2 = NULL;
2217                                 Xstrdup_a(tmp1, compose->replyto, return);
2218                                 if (compose->ml_post)
2219                                         Xstrdup_a(tmp2, compose->ml_post, return);
2220                                 extract_address(tmp1);
2221                                 extract_address(tmp2);
2222                                 if (tmp1 && tmp2 && strcmp(tmp1, tmp2))
2223                                         compose_entry_append(compose,
2224                                                         compose->replyto,
2225                                                         COMPOSE_CC);
2226                         }
2227                 }
2228                 else if (!(to_all || to_sender)
2229                          && msginfo->folder
2230                          && msginfo->folder->prefs->enable_default_reply_to) {
2231                         compose_entry_append(compose,
2232                             msginfo->folder->prefs->default_reply_to,
2233                             COMPOSE_TO);
2234                 } else {
2235                         gchar *tmp1 = NULL;
2236                         Xstrdup_a(tmp1, msginfo->from, return);
2237                         extract_address(tmp1);
2238                         if (to_all || to_sender ||
2239                             !account_find_from_address(tmp1))
2240                                 compose_entry_append(compose,
2241                                  (compose->replyto && !to_sender)
2242                                           ? compose->replyto :
2243                                           msginfo->from ? msginfo->from : "",
2244                                           COMPOSE_TO);
2245                         else if (!to_all && !to_sender) {
2246                                 /* reply to the last list of recipients */
2247                                 compose_entry_append(compose,
2248                                           msginfo->to ? msginfo->to : "",
2249                                           COMPOSE_TO);
2250                                 compose_entry_append(compose,
2251                                           msginfo->cc ? msginfo->cc : "",
2252                                           COMPOSE_CC);
2253                         }
2254                 }
2255         } else {
2256                 if (to_sender || (compose->followup_to &&
2257                         !strncmp(compose->followup_to, "poster", 6)))
2258                         compose_entry_append
2259                                 (compose,
2260                                  (compose->replyto ? compose->replyto :
2261                                         msginfo->from ? msginfo->from : ""),
2262                                  COMPOSE_TO);
2263
2264                 else if (followup_and_reply_to || to_all) {
2265                         compose_entry_append
2266                                 (compose,
2267                                  (compose->replyto ? compose->replyto :
2268                                  msginfo->from ? msginfo->from : ""),
2269                                  COMPOSE_TO);
2270
2271                         compose_entry_append
2272                                 (compose,
2273                                  compose->followup_to ? compose->followup_to :
2274                                  compose->newsgroups ? compose->newsgroups : "",
2275                                  COMPOSE_NEWSGROUPS);
2276                 }
2277                 else
2278                         compose_entry_append
2279                                 (compose,
2280                                  compose->followup_to ? compose->followup_to :
2281                                  compose->newsgroups ? compose->newsgroups : "",
2282                                  COMPOSE_NEWSGROUPS);
2283         }
2284
2285         if (msginfo->subject && *msginfo->subject) {
2286                 gchar *buf, *buf2;
2287                 guchar *p;
2288
2289                 buf = p = g_strdup(msginfo->subject);
2290                 p += subject_get_prefix_length(p);
2291                 memmove(buf, p, strlen(p) + 1);
2292
2293                 buf2 = g_strdup_printf("Re: %s", buf);
2294                 gtk_entry_set_text(GTK_ENTRY(compose->subject_entry), buf2);
2295
2296                 g_free(buf2);
2297                 g_free(buf);
2298         } else
2299                 gtk_entry_set_text(GTK_ENTRY(compose->subject_entry), "Re: ");
2300
2301         if (to_ml && compose->ml_post) return;
2302         if (!to_all || compose->account->protocol == A_NNTP) return;
2303
2304         if (compose->replyto) {
2305                 Xstrdup_a(replyto, compose->replyto, return);
2306                 extract_address(replyto);
2307         }
2308         if (msginfo->from) {
2309                 Xstrdup_a(from, msginfo->from, return);
2310                 extract_address(from);
2311         }
2312
2313         if (replyto && from)
2314                 cc_list = address_list_append_with_comments(cc_list, from);
2315         if (to_all && msginfo->folder &&
2316             msginfo->folder->prefs->enable_default_reply_to)
2317                 cc_list = address_list_append_with_comments(cc_list,
2318                                 msginfo->folder->prefs->default_reply_to);
2319         cc_list = address_list_append_with_comments(cc_list, msginfo->to);
2320         cc_list = address_list_append_with_comments(cc_list, compose->cc);
2321
2322         to_table = g_hash_table_new(g_str_hash, g_str_equal);
2323         if (replyto)
2324                 g_hash_table_insert(to_table, g_strdup(replyto), GINT_TO_POINTER(1));
2325         if (compose->account)
2326                 g_hash_table_insert(to_table, g_strdup(compose->account->address),
2327                                     GINT_TO_POINTER(1));
2328
2329         /* remove address on To: and that of current account */
2330         for (cur = cc_list; cur != NULL; ) {
2331                 GSList *next = cur->next;
2332                 gchar *addr;
2333
2334                 addr = g_strdup(cur->data);
2335                 extract_address(addr);
2336
2337                 if (GPOINTER_TO_INT(g_hash_table_lookup(to_table, addr)) == 1)
2338                         cc_list = g_slist_remove(cc_list, cur->data);
2339                 else
2340                         g_hash_table_insert(to_table, addr, GINT_TO_POINTER(1));
2341
2342                 cur = next;
2343         }
2344         hash_free_strings(to_table);
2345         g_hash_table_destroy(to_table);
2346
2347         if (cc_list) {
2348                 for (cur = cc_list; cur != NULL; cur = cur->next)
2349                         compose_entry_append(compose, (gchar *)cur->data,
2350                                              COMPOSE_CC);
2351                 slist_free_strings(cc_list);
2352                 g_slist_free(cc_list);
2353         }
2354
2355 }
2356
2357 #define SET_ENTRY(entry, str) \
2358 { \
2359         if (str && *str) \
2360                 gtk_entry_set_text(GTK_ENTRY(compose->entry), str); \
2361 }
2362
2363 #define SET_ADDRESS(type, str) \
2364 { \
2365         if (str && *str) \
2366                 compose_entry_append(compose, str, type); \
2367 }
2368
2369 static void compose_reedit_set_entry(Compose *compose, MsgInfo *msginfo)
2370 {
2371         g_return_if_fail(msginfo != NULL);
2372
2373         SET_ENTRY(subject_entry, msginfo->subject);
2374         SET_ADDRESS(COMPOSE_TO, msginfo->to);
2375         SET_ADDRESS(COMPOSE_CC, compose->cc);
2376         SET_ADDRESS(COMPOSE_BCC, compose->bcc);
2377         SET_ADDRESS(COMPOSE_REPLYTO, compose->replyto);
2378         SET_ADDRESS(COMPOSE_NEWSGROUPS, compose->newsgroups);
2379         SET_ADDRESS(COMPOSE_FOLLOWUPTO, compose->followup_to);
2380
2381         compose_update_priority_menu_item(compose);
2382         compose_update_privacy_system_menu_item(compose, FALSE);
2383         compose_show_first_last_header(compose, TRUE);
2384 }
2385
2386 #undef SET_ENTRY
2387 #undef SET_ADDRESS
2388
2389 static void compose_insert_sig(Compose *compose, gboolean replace)
2390 {
2391         GtkTextView *text = GTK_TEXT_VIEW(compose->text);
2392         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2393         GtkTextMark *mark;
2394         GtkTextIter iter, iter_end;
2395         gint cur_pos;
2396         gboolean prev_autowrap;
2397
2398
2399         g_return_if_fail(compose->account != NULL);
2400
2401         prev_autowrap = compose->autowrap;
2402         compose->autowrap = FALSE;
2403
2404         g_signal_handlers_block_by_func(G_OBJECT(buffer),
2405                                         G_CALLBACK(compose_changed_cb),
2406                                         compose);
2407
2408         mark = gtk_text_buffer_get_insert(buffer);
2409         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
2410         cur_pos = gtk_text_iter_get_offset (&iter);
2411
2412         gtk_text_buffer_get_end_iter(buffer, &iter);
2413
2414         if (replace && compose->sig_str) {
2415                 gboolean found;
2416                 GtkTextIter first_iter, start_iter, end_iter;
2417
2418                 gtk_text_buffer_get_start_iter(buffer, &first_iter);
2419
2420                 if (compose->sig_str[0] == '\0')
2421                         found = FALSE;
2422                 else
2423                         found = gtk_text_iter_forward_search(&first_iter,
2424                                                              compose->sig_str,
2425                                                              GTK_TEXT_SEARCH_TEXT_ONLY,
2426                                                              &start_iter, &end_iter,
2427                                                              NULL);
2428
2429                 if (found) {
2430                         gtk_text_buffer_delete(buffer, &start_iter, &end_iter);
2431                         iter = start_iter;
2432                 }
2433         }
2434
2435         g_free(compose->sig_str);
2436         compose->sig_str = compose_get_signature_str(compose);
2437         if (!compose->sig_str || (replace && !compose->account->auto_sig))
2438                 compose->sig_str = g_strdup("");
2439
2440         cur_pos = gtk_text_iter_get_offset(&iter);
2441         gtk_text_buffer_insert(buffer, &iter, compose->sig_str, -1);
2442         /* skip \n\n */
2443         gtk_text_buffer_get_iter_at_offset(buffer, &iter, cur_pos);
2444         gtk_text_iter_forward_char(&iter);
2445         gtk_text_iter_forward_char(&iter);
2446         gtk_text_buffer_get_end_iter(buffer, &iter_end);
2447         gtk_text_buffer_apply_tag_by_name(buffer,"signature",&iter, &iter_end);
2448
2449         if (cur_pos > gtk_text_buffer_get_char_count (buffer))
2450                 cur_pos = gtk_text_buffer_get_char_count (buffer);
2451
2452         gtk_text_buffer_get_iter_at_offset(buffer, &iter, cur_pos);
2453         gtk_text_buffer_place_cursor(buffer, &iter);
2454
2455         g_signal_handlers_unblock_by_func(G_OBJECT(buffer),
2456                                         G_CALLBACK(compose_changed_cb),
2457                                         compose);
2458
2459         compose->autowrap = prev_autowrap;
2460         if (compose->autowrap)
2461                 compose_wrap_all(compose);
2462 }
2463
2464 static gchar *compose_get_signature_str(Compose *compose)
2465 {
2466         gchar *sig_body = NULL;
2467         gchar *sig_str = NULL;
2468         gchar *utf8_sig_str = NULL;
2469
2470         g_return_val_if_fail(compose->account != NULL, NULL);
2471
2472         if (!compose->account->sig_path)
2473                 return NULL;
2474
2475         if (compose->account->sig_type == SIG_FILE) {
2476                 if (!is_file_or_fifo_exist(compose->account->sig_path)) {
2477                         g_warning("can't open signature file: %s\n",
2478                                   compose->account->sig_path);
2479                         return NULL;
2480                 }
2481         }
2482
2483         if (compose->account->sig_type == SIG_COMMAND)
2484                 sig_body = get_command_output(compose->account->sig_path);
2485         else {
2486                 gchar *tmp;
2487
2488                 tmp = file_read_to_str(compose->account->sig_path);
2489                 if (!tmp)
2490                         return NULL;
2491                 sig_body = normalize_newlines(tmp);
2492                 g_free(tmp);
2493         }
2494
2495         if (compose->account->sig_sep) {
2496                 sig_str = g_strconcat("\n\n", compose->account->sig_sep, "\n", sig_body,
2497                                       NULL);
2498                 g_free(sig_body);
2499         } else
2500                 sig_str = g_strconcat("\n\n", sig_body, NULL);
2501
2502         if (sig_str) {
2503                 if (g_utf8_validate(sig_str, -1, NULL) == TRUE)
2504                         utf8_sig_str = sig_str;
2505                 else {
2506                         utf8_sig_str = conv_codeset_strdup
2507                                 (sig_str, conv_get_locale_charset_str(),
2508                                  CS_INTERNAL);
2509                         g_free(sig_str);
2510                 }
2511         }
2512
2513         return utf8_sig_str;
2514 }
2515
2516 static ComposeInsertResult compose_insert_file(Compose *compose, const gchar *file)
2517 {
2518         GtkTextView *text;
2519         GtkTextBuffer *buffer;
2520         GtkTextMark *mark;
2521         GtkTextIter iter;
2522         const gchar *cur_encoding;
2523         gchar buf[BUFFSIZE];
2524         gint len;
2525         FILE *fp;
2526         gboolean prev_autowrap;
2527         gboolean badtxt = FALSE;
2528
2529         g_return_val_if_fail(file != NULL, COMPOSE_INSERT_NO_FILE);
2530
2531         if ((fp = g_fopen(file, "rb")) == NULL) {
2532                 FILE_OP_ERROR(file, "fopen");
2533                 return COMPOSE_INSERT_READ_ERROR;
2534         }
2535
2536         prev_autowrap = compose->autowrap;
2537         compose->autowrap = FALSE;
2538
2539         text = GTK_TEXT_VIEW(compose->text);
2540         buffer = gtk_text_view_get_buffer(text);
2541         mark = gtk_text_buffer_get_insert(buffer);
2542         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
2543
2544         g_signal_handlers_block_by_func(G_OBJECT(buffer),
2545                                         G_CALLBACK(text_inserted),
2546                                         compose);
2547
2548         cur_encoding = conv_get_locale_charset_str();
2549
2550         while (fgets(buf, sizeof(buf), fp) != NULL) {
2551                 gchar *str;
2552
2553                 if (g_utf8_validate(buf, -1, NULL) == TRUE)
2554                         str = g_strdup(buf);
2555                 else
2556                         str = conv_codeset_strdup
2557                                 (buf, cur_encoding, CS_INTERNAL);
2558                 if (!str) continue;
2559
2560                 /* strip <CR> if DOS/Windows file,
2561                    replace <CR> with <LF> if Macintosh file. */
2562                 strcrchomp(str);
2563                 len = strlen(str);
2564                 if (len > 0 && str[len - 1] != '\n') {
2565                         while (--len >= 0)
2566                                 if (str[len] == '\r') str[len] = '\n';
2567                 }
2568
2569                 gtk_text_buffer_insert(buffer, &iter, str, -1);
2570                 g_free(str);
2571         }
2572
2573         g_signal_handlers_unblock_by_func(G_OBJECT(buffer),
2574                                           G_CALLBACK(text_inserted),
2575                                           compose);
2576         compose->autowrap = prev_autowrap;
2577         if (compose->autowrap)
2578                 compose_wrap_all(compose);
2579
2580         fclose(fp);
2581
2582         if (badtxt)
2583                 return COMPOSE_INSERT_INVALID_CHARACTER;
2584         else
2585                 return COMPOSE_INSERT_SUCCESS;
2586 }
2587
2588 static void compose_attach_append(Compose *compose, const gchar *file,
2589                                   const gchar *filename,
2590                                   const gchar *content_type)
2591 {
2592         AttachInfo *ainfo;
2593         GtkTreeIter iter;
2594         FILE *fp;
2595         off_t size;
2596         GAuto *auto_ainfo;
2597         gchar *size_text;
2598         GtkListStore *store;
2599         gchar *name;
2600
2601         if (!is_file_exist(file)) {
2602                 g_warning("File %s doesn't exist\n", filename);
2603                 return;
2604         }
2605         if ((size = get_file_size(file)) < 0) {
2606                 g_warning("Can't get file size of %s\n", filename);
2607                 return;
2608         }
2609         if (size == 0) {
2610                 alertpanel_notice(_("File %s is empty."), filename);
2611                 return;
2612         }
2613         if ((fp = g_fopen(file, "rb")) == NULL) {
2614                 alertpanel_error(_("Can't read %s."), filename);
2615                 return;
2616         }
2617         fclose(fp);
2618
2619         ainfo = g_new0(AttachInfo, 1);
2620         auto_ainfo = g_auto_pointer_new_with_free
2621                         (ainfo, (GFreeFunc) compose_attach_info_free);
2622         ainfo->file = g_strdup(file);
2623
2624         if (content_type) {
2625                 ainfo->content_type = g_strdup(content_type);
2626                 if (!g_ascii_strcasecmp(content_type, "message/rfc822")) {
2627                         MsgInfo *msginfo;
2628                         MsgFlags flags = {0, 0};
2629
2630                         if (procmime_get_encoding_for_text_file(file) == ENC_7BIT)
2631                                 ainfo->encoding = ENC_7BIT;
2632                         else
2633                                 ainfo->encoding = ENC_8BIT;
2634
2635                         msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
2636                         if (msginfo && msginfo->subject)
2637                                 name = g_strdup(msginfo->subject);
2638                         else
2639                                 name = g_path_get_basename(filename ? filename : file);
2640
2641                         ainfo->name = g_strdup_printf(_("Message: %s"), name);
2642
2643                         procmsg_msginfo_free(msginfo);
2644                 } else {
2645                         if (!g_ascii_strncasecmp(content_type, "text", 4))
2646                                 ainfo->encoding = procmime_get_encoding_for_text_file(file);
2647                         else
2648                                 ainfo->encoding = ENC_BASE64;
2649                         name = g_path_get_basename(filename ? filename : file);
2650                         ainfo->name = g_strdup(name);
2651                 }
2652                 g_free(name);
2653         } else {
2654                 ainfo->content_type = procmime_get_mime_type(file);
2655                 if (!ainfo->content_type) {
2656                         ainfo->content_type =
2657                                 g_strdup("application/octet-stream");
2658                         ainfo->encoding = ENC_BASE64;
2659                 } else if (!g_ascii_strncasecmp(ainfo->content_type, "text", 4))
2660                         ainfo->encoding =
2661                                 procmime_get_encoding_for_text_file(file);
2662                 else
2663                         ainfo->encoding = ENC_BASE64;
2664                 name = g_path_get_basename(filename ? filename : file);
2665                 ainfo->name = g_strdup(name);
2666                 g_free(name);
2667         }
2668
2669         if (!strcmp(ainfo->content_type, "unknown")) {
2670                 g_free(ainfo->content_type);
2671                 ainfo->content_type = g_strdup("application/octet-stream");
2672         }
2673
2674         ainfo->size = size;
2675         size_text = to_human_readable(size);
2676
2677         store = GTK_LIST_STORE(gtk_tree_view_get_model
2678                         (GTK_TREE_VIEW(compose->attach_clist)));
2679
2680         gtk_list_store_append(store, &iter);
2681         gtk_list_store_set(store, &iter,
2682                            COL_MIMETYPE, ainfo->content_type,
2683                            COL_SIZE, size_text,
2684                            COL_NAME, ainfo->name,
2685                            COL_DATA, ainfo,
2686                            COL_AUTODATA, auto_ainfo,
2687                            -1);
2688
2689         g_auto_pointer_free(auto_ainfo);
2690 }
2691
2692 static void compose_use_signing(Compose *compose, gboolean use_signing)
2693 {
2694         GtkItemFactory *ifactory;
2695         GtkWidget *menuitem = NULL;
2696
2697         compose->use_signing = use_signing;
2698         ifactory = gtk_item_factory_from_widget(compose->menubar);
2699         menuitem = gtk_item_factory_get_item
2700                 (ifactory, "/Options/Sign");
2701         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
2702                                        use_signing);
2703 }
2704
2705 static void compose_use_encryption(Compose *compose, gboolean use_encryption)
2706 {
2707         GtkItemFactory *ifactory;
2708         GtkWidget *menuitem = NULL;
2709
2710         compose->use_encryption = use_encryption;
2711         ifactory = gtk_item_factory_from_widget(compose->menubar);
2712         menuitem = gtk_item_factory_get_item
2713                 (ifactory, "/Options/Encrypt");
2714
2715         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
2716                                        use_encryption);
2717 }
2718
2719 #define NEXT_PART_NOT_CHILD(info)  \
2720 {  \
2721         node = info->node;  \
2722         while (node->children)  \
2723                 node = g_node_last_child(node);  \
2724         info = procmime_mimeinfo_next((MimeInfo *)node->data);  \
2725 }
2726
2727 static void compose_attach_parts(Compose *compose, MsgInfo *msginfo)
2728 {
2729         MimeInfo *mimeinfo;
2730         MimeInfo *child;
2731         MimeInfo *firsttext = NULL;
2732         MimeInfo *encrypted = NULL;
2733         GNode    *node;
2734         gchar *outfile;
2735         const gchar *partname = NULL;
2736
2737         mimeinfo = procmime_scan_message(msginfo);
2738         if (!mimeinfo) return;
2739
2740         if (mimeinfo->node->children == NULL) {
2741                 procmime_mimeinfo_free_all(mimeinfo);
2742                 return;
2743         }
2744
2745         /* find first content part */
2746         child = (MimeInfo *) mimeinfo->node->children->data;
2747         while (child && child->node->children && (child->type == MIMETYPE_MULTIPART))
2748                 child = (MimeInfo *)child->node->children->data;
2749
2750         if (child->type == MIMETYPE_TEXT) {
2751                 firsttext = child;
2752                 debug_print("First text part found\n");
2753         } else if (compose->mode == COMPOSE_REEDIT &&
2754                  child->type == MIMETYPE_APPLICATION &&
2755                  !g_ascii_strcasecmp(child->subtype, "pgp-encrypted")) {
2756                 encrypted = (MimeInfo *)child->node->parent->data;
2757         }
2758
2759         child = (MimeInfo *) mimeinfo->node->children->data;
2760         while (child != NULL) {
2761                 if (child == encrypted) {
2762                         /* skip this part of tree */
2763                         NEXT_PART_NOT_CHILD(child);
2764                         continue;
2765                 }
2766
2767                 if (child->type == MIMETYPE_MULTIPART) {
2768                         /* get the actual content */
2769                         child = procmime_mimeinfo_next(child);
2770                         continue;
2771                 }
2772
2773                 if (child == firsttext) {
2774                         child = procmime_mimeinfo_next(child);
2775                         continue;
2776                 }
2777
2778                 outfile = procmime_get_tmp_file_name(child);
2779                 if (procmime_get_part(outfile, child) < 0)
2780                         g_warning("Can't get the part of multipart message.");
2781                 else {
2782                         gchar *content_type;
2783
2784                         content_type = procmime_get_content_type_str(child->type, child->subtype);
2785
2786                         /* if we meet a pgp signature, we don't attach it, but
2787                          * we force signing. */
2788                         if (strcmp(content_type, "application/pgp-signature")) {
2789                                 partname = procmime_mimeinfo_get_parameter(child, "filename");
2790                                 if (partname == NULL)
2791                                         partname = procmime_mimeinfo_get_parameter(child, "name");
2792                                 if (partname == NULL)
2793                                         partname = "";
2794                                 compose_attach_append(compose, outfile,
2795                                                       partname, content_type);
2796                         } else {
2797                                 compose_force_signing(compose, compose->account);
2798                         }
2799                         g_free(content_type);
2800                 }
2801                 g_free(outfile);
2802                 NEXT_PART_NOT_CHILD(child);
2803         }
2804         procmime_mimeinfo_free_all(mimeinfo);
2805 }
2806
2807 #undef NEXT_PART_NOT_CHILD
2808
2809
2810
2811 typedef enum {
2812         WAIT_FOR_INDENT_CHAR,
2813         WAIT_FOR_INDENT_CHAR_OR_SPACE,
2814 } IndentState;
2815
2816 /* return indent length, we allow:
2817    indent characters followed by indent characters or spaces/tabs,
2818    alphabets and numbers immediately followed by indent characters,
2819    and the repeating sequences of the above
2820    If quote ends with multiple spaces, only the first one is included. */
2821 static gchar *compose_get_quote_str(GtkTextBuffer *buffer,
2822                                     const GtkTextIter *start, gint *len)
2823 {
2824         GtkTextIter iter = *start;
2825         gunichar wc;
2826         gchar ch[6];
2827         gint clen;
2828         IndentState state = WAIT_FOR_INDENT_CHAR;
2829         gboolean is_space;
2830         gboolean is_indent;
2831         gint alnum_count = 0;
2832         gint space_count = 0;
2833         gint quote_len = 0;
2834
2835         if (prefs_common.quote_chars == NULL) {
2836                 return 0 ;
2837         }
2838
2839         while (!gtk_text_iter_ends_line(&iter)) {
2840                 wc = gtk_text_iter_get_char(&iter);
2841                 if (g_unichar_iswide(wc))
2842                         break;
2843                 clen = g_unichar_to_utf8(wc, ch);
2844                 if (clen != 1)
2845                         break;
2846
2847                 is_indent = strchr(prefs_common.quote_chars, ch[0]) ? TRUE : FALSE;
2848                 is_space = g_unichar_isspace(wc);
2849
2850                 if (state == WAIT_FOR_INDENT_CHAR) {
2851                         if (!is_indent && !g_unichar_isalnum(wc))
2852                                 break;
2853                         if (is_indent) {
2854                                 quote_len += alnum_count + space_count + 1;
2855                                 alnum_count = space_count = 0;
2856                                 state = WAIT_FOR_INDENT_CHAR_OR_SPACE;
2857                         } else
2858                                 alnum_count++;
2859                 } else if (state == WAIT_FOR_INDENT_CHAR_OR_SPACE) {
2860                         if (!is_indent && !is_space && !g_unichar_isalnum(wc))
2861                                 break;
2862                         if (is_space)
2863                                 space_count++;
2864                         else if (is_indent) {
2865                                 quote_len += alnum_count + space_count + 1;
2866                                 alnum_count = space_count = 0;
2867                         } else {
2868                                 alnum_count++;
2869                                 state = WAIT_FOR_INDENT_CHAR;
2870                         }
2871                 }
2872
2873                 gtk_text_iter_forward_char(&iter);
2874         }
2875
2876         if (quote_len > 0 && space_count > 0)
2877                 quote_len++;
2878
2879         if (len)
2880                 *len = quote_len;
2881
2882         if (quote_len > 0) {
2883                 iter = *start;
2884                 gtk_text_iter_forward_chars(&iter, quote_len);
2885                 return gtk_text_buffer_get_text(buffer, start, &iter, FALSE);
2886         }
2887
2888         return NULL;
2889 }
2890
2891 /* return TRUE if the line is itemized */
2892 static gboolean compose_is_itemized(GtkTextBuffer *buffer,
2893                                     const GtkTextIter *start)
2894 {
2895         GtkTextIter iter = *start;
2896         gunichar wc;
2897         gchar ch[6];
2898         gint clen;
2899
2900         if (gtk_text_iter_ends_line(&iter))
2901                 return FALSE;
2902
2903         while (1) {
2904                 wc = gtk_text_iter_get_char(&iter);
2905                 if (!g_unichar_isspace(wc))
2906                         break;
2907                 gtk_text_iter_forward_char(&iter);
2908                 if (gtk_text_iter_ends_line(&iter))
2909                         return FALSE;
2910         }
2911
2912         clen = g_unichar_to_utf8(wc, ch);
2913         if (clen != 1)
2914                 return FALSE;
2915
2916         if (!strchr("*-+", ch[0]))
2917                 return FALSE;
2918
2919         gtk_text_iter_forward_char(&iter);
2920         if (gtk_text_iter_ends_line(&iter))
2921                 return FALSE;
2922         wc = gtk_text_iter_get_char(&iter);
2923         if (g_unichar_isspace(wc))
2924                 return TRUE;
2925
2926         return FALSE;
2927 }
2928
2929 static gboolean compose_get_line_break_pos(GtkTextBuffer *buffer,
2930                                            const GtkTextIter *start,
2931                                            GtkTextIter *break_pos,
2932                                            gint max_col,
2933                                            gint quote_len)
2934 {
2935         GtkTextIter iter = *start, line_end = *start;
2936         PangoLogAttr *attrs;
2937         gchar *str;
2938         gchar *p;
2939         gint len;
2940         gint i;
2941         gint col = 0;
2942         gint pos = 0;
2943         gboolean can_break = FALSE;
2944         gboolean do_break = FALSE;
2945         gboolean was_white = FALSE;
2946         gboolean prev_dont_break = FALSE;
2947
2948         gtk_text_iter_forward_to_line_end(&line_end);
2949         str = gtk_text_buffer_get_text(buffer, &iter, &line_end, FALSE);
2950         len = g_utf8_strlen(str, -1);
2951         /* g_print("breaking line: %d: %s (len = %d)\n",
2952                 gtk_text_iter_get_line(&iter), str, len); */
2953         attrs = g_new(PangoLogAttr, len + 1);
2954
2955         pango_default_break(str, -1, NULL, attrs, len + 1);
2956
2957         p = str;
2958
2959         /* skip quote and leading spaces */
2960         for (i = 0; *p != '\0' && i < len; i++) {
2961                 gunichar wc;
2962
2963                 wc = g_utf8_get_char(p);
2964                 if (i >= quote_len && !g_unichar_isspace(wc))
2965                         break;
2966                 if (g_unichar_iswide(wc))
2967                         col += 2;
2968                 else if (*p == '\t')
2969                         col += 8;
2970                 else
2971                         col++;
2972                 p = g_utf8_next_char(p);
2973         }
2974
2975         for (; *p != '\0' && i < len; i++) {
2976                 PangoLogAttr *attr = attrs + i;
2977                 gunichar wc;
2978                 gint uri_len;
2979
2980                 if (attr->is_line_break && can_break && was_white && !prev_dont_break)
2981                         pos = i;
2982
2983                 was_white = attr->is_white;
2984
2985                 /* don't wrap URI */
2986                 if ((uri_len = get_uri_len(p)) > 0) {
2987                         col += uri_len;
2988                         if (pos > 0 && col > max_col) {
2989                                 do_break = TRUE;
2990                                 break;
2991                         }
2992                         i += uri_len - 1;
2993                         p += uri_len;
2994                         can_break = TRUE;
2995                         continue;
2996                 }
2997
2998                 wc = g_utf8_get_char(p);
2999                 if (g_unichar_iswide(wc)) {
3000                         col += 2;
3001                         if (prev_dont_break && can_break && attr->is_line_break)
3002                                 pos = i;
3003                 } else if (*p == '\t')
3004                         col += 8;
3005                 else
3006                         col++;
3007                 if (pos > 0 && col > max_col) {
3008                         do_break = TRUE;
3009                         break;
3010                 }
3011
3012                 if (*p == '-' || *p == '/')
3013                         prev_dont_break = TRUE;
3014                 else
3015                         prev_dont_break = FALSE;
3016
3017                 p = g_utf8_next_char(p);
3018                 can_break = TRUE;
3019         }
3020
3021         debug_print("compose_get_line_break_pos(): do_break = %d, pos = %d, col = %d\n", do_break, pos, col);
3022
3023         g_free(attrs);
3024         g_free(str);
3025
3026         *break_pos = *start;
3027         gtk_text_iter_set_line_offset(break_pos, pos);
3028
3029         return do_break;
3030 }
3031
3032 static gboolean compose_join_next_line(Compose *compose,
3033                                        GtkTextBuffer *buffer,
3034                                        GtkTextIter *iter,
3035                                        const gchar *quote_str)
3036 {
3037         GtkTextIter iter_ = *iter, cur, prev, next, end;
3038         PangoLogAttr attrs[3];
3039         gchar *str;
3040         gchar *next_quote_str;
3041         gunichar wc1, wc2;
3042         gint quote_len;
3043         gboolean keep_cursor = FALSE;
3044
3045         if (!gtk_text_iter_forward_line(&iter_) ||
3046             gtk_text_iter_ends_line(&iter_))
3047                 return FALSE;
3048
3049         next_quote_str = compose_get_quote_str(buffer, &iter_, &quote_len);
3050
3051         if ((quote_str || next_quote_str) &&
3052             strcmp2(quote_str, next_quote_str) != 0) {
3053                 g_free(next_quote_str);
3054                 return FALSE;
3055         }
3056         g_free(next_quote_str);
3057
3058         end = iter_;
3059         if (quote_len > 0) {
3060                 gtk_text_iter_forward_chars(&end, quote_len);
3061                 if (gtk_text_iter_ends_line(&end))
3062                         return FALSE;
3063         }
3064
3065         /* don't join itemized lines */
3066         if (compose_is_itemized(buffer, &end))
3067                 return FALSE;
3068
3069         /* don't join signature separator */
3070         if (compose_is_sig_separator(compose, buffer, &iter_))
3071                 return FALSE;
3072
3073         /* delete quote str */
3074         if (quote_len > 0)
3075                 gtk_text_buffer_delete(buffer, &iter_, &end);
3076
3077         /* delete linebreak and extra spaces */
3078         prev = cur = iter_;
3079         while (gtk_text_iter_backward_char(&cur)) {
3080                 wc1 = gtk_text_iter_get_char(&cur);
3081                 if (!g_unichar_isspace(wc1))
3082                         break;
3083                 prev = cur;
3084         }
3085         next = cur = iter_;
3086         while (!gtk_text_iter_ends_line(&cur)) {
3087                 wc1 = gtk_text_iter_get_char(&cur);
3088                 if (!g_unichar_isspace(wc1))
3089                         break;
3090                 gtk_text_iter_forward_char(&cur);
3091                 next = cur;
3092         }
3093         if (!gtk_text_iter_equal(&prev, &next)) {
3094                 GtkTextMark *mark;
3095
3096                 mark = gtk_text_buffer_get_insert(buffer);
3097                 gtk_text_buffer_get_iter_at_mark(buffer, &cur, mark);
3098                 if (gtk_text_iter_equal(&prev, &cur))
3099                         keep_cursor = TRUE;
3100                 gtk_text_buffer_delete(buffer, &prev, &next);
3101         }
3102         iter_ = prev;
3103
3104         /* insert space if required */
3105         gtk_text_iter_backward_char(&prev);
3106         wc1 = gtk_text_iter_get_char(&prev);
3107         wc2 = gtk_text_iter_get_char(&next);
3108         gtk_text_iter_forward_char(&next);
3109         str = gtk_text_buffer_get_text(buffer, &prev, &next, FALSE);
3110         pango_default_break(str, -1, NULL, attrs, 3);
3111         if (!attrs[1].is_line_break ||
3112             (!g_unichar_iswide(wc1) || !g_unichar_iswide(wc2))) {
3113                 gtk_text_buffer_insert(buffer, &iter_, " ", 1);
3114                 if (keep_cursor) {
3115                         gtk_text_iter_backward_char(&iter_);
3116                         gtk_text_buffer_place_cursor(buffer, &iter_);
3117                 }
3118         }
3119         g_free(str);
3120
3121         *iter = iter_;
3122         return TRUE;
3123 }
3124
3125 #define ADD_TXT_POS(bp_, ep_, pti_) \
3126         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
3127                 last = last->next; \
3128                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
3129                 last->next = NULL; \
3130         } else { \
3131                 g_warning("alloc error scanning URIs\n"); \
3132         }
3133
3134 static void compose_beautify_paragraph(Compose *compose, GtkTextIter *par_iter, gboolean force)
3135 {
3136         GtkTextView *text = GTK_TEXT_VIEW(compose->text);
3137         GtkTextBuffer *buffer;
3138         GtkTextIter iter, break_pos, end_of_line;
3139         gchar *quote_str = NULL;
3140         gint quote_len;
3141         gboolean wrap_quote = prefs_common.linewrap_quote;
3142         gboolean prev_autowrap = compose->autowrap;
3143         gint startq_offset = -1, noq_offset = -1;
3144         gint uri_start = -1, uri_stop = -1;
3145         gint nouri_start = -1, nouri_stop = -1;
3146
3147         compose->autowrap = FALSE;
3148
3149         buffer = gtk_text_view_get_buffer(text);
3150
3151         undo_block(compose->undostruct);
3152
3153         if (par_iter) {
3154                 iter = *par_iter;
3155         } else {
3156                 GtkTextMark *mark;
3157                 mark = gtk_text_buffer_get_insert(buffer);
3158                 gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
3159         }
3160
3161         /* move to paragraph start */
3162         gtk_text_iter_set_line_offset(&iter, 0);
3163         if (gtk_text_iter_ends_line(&iter)) {
3164                 while (gtk_text_iter_ends_line(&iter) &&
3165                        gtk_text_iter_forward_line(&iter))
3166                         ;
3167         } else {
3168                 while (gtk_text_iter_backward_line(&iter)) {
3169                         if (gtk_text_iter_ends_line(&iter)) {
3170                                 gtk_text_iter_forward_line(&iter);
3171                                 break;
3172                         }
3173                 }
3174         }
3175
3176         /* go until paragraph end (empty line) */
3177         while (!gtk_text_iter_ends_line(&iter)) {
3178                 gchar *scanpos = NULL;
3179                 /* parse table - in order of priority */
3180                 struct table {
3181                         const gchar *needle; /* token */
3182
3183                         /* token search function */
3184                         gchar    *(*search)     (const gchar *haystack,
3185                                                  const gchar *needle);
3186                         /* part parsing function */
3187                         gboolean  (*parse)      (const gchar *start,
3188                                                  const gchar *scanpos,
3189                                                  const gchar **bp_,
3190                                                  const gchar **ep_);
3191                         /* part to URI function */
3192                         gchar    *(*build_uri)  (const gchar *bp,
3193                                                  const gchar *ep);
3194                 };
3195
3196                 static struct table parser[] = {
3197                         {"http://",  strcasestr, get_uri_part,   make_uri_string},
3198                         {"https://", strcasestr, get_uri_part,   make_uri_string},
3199                         {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
3200                         {"www.",     strcasestr, get_uri_part,   make_http_string},
3201                         {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
3202                         {"@",        strcasestr, get_email_part, make_email_string}
3203                 };
3204                 const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
3205                 gint last_index = PARSE_ELEMS;
3206                 gint  n;
3207                 gchar *o_walk = NULL, *walk = NULL, *bp = NULL, *ep = NULL;
3208                 gint walk_pos;
3209
3210                 if (gtk_text_iter_has_tag(&iter, compose->no_wrap_tag) && !force)
3211                         goto colorize;
3212
3213                 uri_start = uri_stop = -1;
3214                 quote_str = compose_get_quote_str(buffer, &iter, &quote_len);
3215
3216                 if (quote_str) {
3217                         if (!wrap_quote) {
3218                                 if (startq_offset == -1) {
3219                                         startq_offset = gtk_text_iter_get_offset(&iter);
3220                                 }
3221                                 goto colorize;
3222                         }
3223                         debug_print("compose_beautify_paragraph(): quote_str = '%s'\n", quote_str);
3224                         if (startq_offset == -1)
3225                                 startq_offset = gtk_text_iter_get_offset(&iter);
3226                 } else {
3227                         if (startq_offset == -1)
3228                                 noq_offset = gtk_text_iter_get_offset(&iter);
3229                 }
3230
3231                 if (prev_autowrap == FALSE && !force && !wrap_quote) {
3232                         goto colorize;
3233                 }
3234                 if (compose_get_line_break_pos(buffer, &iter, &break_pos,
3235                                                prefs_common.linewrap_len,
3236                                                quote_len)) {
3237                         GtkTextIter prev, next, cur;
3238
3239                         if (prev_autowrap != FALSE || force)
3240                                 gtk_text_buffer_insert(buffer, &break_pos, "\n", 1);
3241                         else if (quote_str && wrap_quote)
3242                                 gtk_text_buffer_insert(buffer, &break_pos, "\n", 1);
3243                         else
3244                                 goto colorize;