src/compose.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #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 #ifndef G_OS_WIN32  /* fixme we should have a configure test. */
  76 #include <libgen.h>
  77 #endif
  78
  79 #if (HAVE_WCTYPE_H && HAVE_WCHAR_H)
  80 #  include <wchar.h>
  81 #  include <wctype.h>
  82 #endif
  83
  84 #include "sylpheed.h"
  85 #include "main.h"
  86 #include "mainwindow.h"
  87 #include "compose.h"
  88 #include "addressbook.h"
  89 #include "folderview.h"
  90 #include "procmsg.h"
  91 #include "menu.h"
  92 #include "stock_pixmap.h"
  93 #include "send_message.h"
  94 #include "imap.h"
  95 #include "news.h"
  96 #include "customheader.h"
  97 #include "prefs_common.h"
  98 #include "prefs_account.h"
  99 #include "action.h"
 100 #include "account.h"
 101 #include "filesel.h"
 102 #include "procheader.h"
 103 #include "procmime.h"
 104 #include "statusbar.h"
 105 #include "about.h"
 106 #include "base64.h"
 107 #include "quoted-printable.h"
 108 #include "codeconv.h"
 109 #include "utils.h"
 110 #include "gtkutils.h"
 111 #include "socket.h"
 112 #include "alertpanel.h"
 113 #include "manage_window.h"
 114 #include "gtkshruler.h"
 115 #include "folder.h"
 116 #include "addr_compl.h"
 117 #include "quote_fmt.h"
 118 #include "undo.h"
 119 #include "foldersel.h"
 120 #include "toolbar.h"
 121 #include "inc.h"
 122 #include "message_search.h"
 123 #include "combobox.h"
 124
 125 enum
 126 {
 127         COL_MIMETYPE = 0,
 128         COL_SIZE     = 1,
 129         COL_NAME     = 2,
 130         COL_DATA     = 3,
 131         COL_AUTODATA = 4,
 132         N_COL_COLUMNS
 133 };
 134
 135 #define N_ATTACH_COLS   (N_COL_COLUMNS)
 136
 137 typedef enum
 138 {
 139         COMPOSE_CALL_ADVANCED_ACTION_MOVE_BEGINNING_OF_LINE,
 140         COMPOSE_CALL_ADVANCED_ACTION_MOVE_FORWARD_CHARACTER,
 141         COMPOSE_CALL_ADVANCED_ACTION_MOVE_BACKWARD_CHARACTER,
 142         COMPOSE_CALL_ADVANCED_ACTION_MOVE_FORWARD_WORD,
 143         COMPOSE_CALL_ADVANCED_ACTION_MOVE_BACKWARD_WORD,
 144         COMPOSE_CALL_ADVANCED_ACTION_MOVE_END_OF_LINE,
 145         COMPOSE_CALL_ADVANCED_ACTION_MOVE_NEXT_LINE,
 146         COMPOSE_CALL_ADVANCED_ACTION_MOVE_PREVIOUS_LINE,
 147         COMPOSE_CALL_ADVANCED_ACTION_DELETE_FORWARD_CHARACTER,
 148         COMPOSE_CALL_ADVANCED_ACTION_DELETE_BACKWARD_CHARACTER,
 149         COMPOSE_CALL_ADVANCED_ACTION_DELETE_FORWARD_WORD,
 150         COMPOSE_CALL_ADVANCED_ACTION_DELETE_BACKWARD_WORD,
 151         COMPOSE_CALL_ADVANCED_ACTION_DELETE_LINE,
 152         COMPOSE_CALL_ADVANCED_ACTION_DELETE_LINE_N,
 153         COMPOSE_CALL_ADVANCED_ACTION_DELETE_TO_LINE_END
 154 } ComposeCallAdvancedAction;
 155
 156 typedef enum
 157 {
 158         PRIORITY_HIGHEST = 1,
 159         PRIORITY_HIGH,
 160         PRIORITY_NORMAL,
 161         PRIORITY_LOW,
 162         PRIORITY_LOWEST
 163 } PriorityLevel;
 164
 165 typedef enum
 166 {
 167         COMPOSE_INSERT_SUCCESS,
 168         COMPOSE_INSERT_READ_ERROR,
 169         COMPOSE_INSERT_INVALID_CHARACTER,
 170         COMPOSE_INSERT_NO_FILE
 171 } ComposeInsertResult;
 172
 173 typedef enum
 174 {
 175         COMPOSE_QUIT_EDITING,
 176         COMPOSE_KEEP_EDITING,
 177         COMPOSE_AUTO_SAVE
 178 } ComposeDraftAction;
 179
 180 typedef enum
 181 {
 182         COMPOSE_WRITE_FOR_SEND,
 183         COMPOSE_WRITE_FOR_STORE
 184 } ComposeWriteType;
 185
 186 #define B64_LINE_SIZE           57
 187 #define B64_BUFFSIZE            77
 188
 189 #define MAX_REFERENCES_LEN      999
 190
 191 static GList *compose_list = NULL;
 192
 193 Compose *compose_generic_new                    (PrefsAccount   *account,
 194                                                  const gchar    *to,
 195                                                  FolderItem     *item,
 196                                                  GPtrArray      *attach_files,
 197                                                  GList          *listAddress );
 198
 199 static Compose *compose_create                  (PrefsAccount   *account,
 200                                                  ComposeMode     mode,
 201                                                  gboolean batch);
 202
 203 static GtkWidget *compose_account_option_menu_create
 204                                                 (Compose        *compose);
 205 static void compose_set_out_encoding            (Compose        *compose);
 206 static void compose_set_template_menu           (Compose        *compose);
 207 static void compose_template_apply              (Compose        *compose,
 208                                                  Template       *tmpl,
 209                                                  gboolean        replace);
 210 static void compose_destroy                     (Compose        *compose);
 211
 212 static void compose_entries_set                 (Compose        *compose,
 213                                                  const gchar    *mailto);
 214 static gint compose_parse_header                (Compose        *compose,
 215                                                  MsgInfo        *msginfo);
 216 static gchar *compose_parse_references          (const gchar    *ref,
 217                                                  const gchar    *msgid);
 218
 219 static gchar *compose_quote_fmt                 (Compose        *compose,
 220                                                  MsgInfo        *msginfo,
 221                                                  const gchar    *fmt,
 222                                                  const gchar    *qmark,
 223                                                  const gchar    *body,
 224                                                  gboolean        rewrap);
 225
 226 static void compose_reply_set_entry             (Compose        *compose,
 227                                                  MsgInfo        *msginfo,
 228                                                  gboolean        to_all,
 229                                                  gboolean        to_ml,
 230                                                  gboolean        to_sender,
 231                                                  gboolean
 232                                                  followup_and_reply_to);
 233 static void compose_reedit_set_entry            (Compose        *compose,
 234                                                  MsgInfo        *msginfo);
 235
 236 static void compose_insert_sig                  (Compose        *compose,
 237                                                  gboolean        replace);
 238 static gchar *compose_get_signature_str         (Compose        *compose);
 239 static ComposeInsertResult compose_insert_file  (Compose        *compose,
 240                                                  const gchar    *file);
 241
 242 static void compose_attach_append               (Compose        *compose,
 243                                                  const gchar    *file,
 244                                                  const gchar    *type,
 245                                                  const gchar    *content_type);
 246 static void compose_attach_parts                (Compose        *compose,
 247                                                  MsgInfo        *msginfo);
 248
 249 static void compose_beautify_paragraph          (Compose        *compose,
 250                                                  GtkTextIter    *par_iter,
 251                                                  gboolean        force);
 252 static void compose_wrap_all                    (Compose        *compose);
 253 static void compose_wrap_all_full               (Compose        *compose,
 254                                                  gboolean        autowrap);
 255
 256 static void compose_set_title                   (Compose        *compose);
 257 static void compose_select_account              (Compose        *compose,
 258                                                  PrefsAccount   *account,
 259                                                  gboolean        init);
 260
 261 static PrefsAccount *compose_current_mail_account(void);
 262 /* static gint compose_send                     (Compose        *compose); */
 263 static gboolean compose_check_for_valid_recipient
 264                                                 (Compose        *compose);
 265 static gboolean compose_check_entries           (Compose        *compose,
 266                                                  gboolean       check_subject);
 267 static gint compose_write_to_file               (Compose        *compose,
 268                                                  FILE           *fp,
 269                                                  gint            action,
 270                                                  gboolean        attach_parts);
 271 static gint compose_write_body_to_file          (Compose        *compose,
 272                                                  const gchar    *file);
 273 static gint compose_remove_reedit_target        (Compose        *compose,
 274                                                  gboolean        force);
 275 void compose_remove_draft                       (Compose        *compose);
 276 static gint compose_queue_sub                   (Compose        *compose,
 277                                                  gint           *msgnum,
 278                                                  FolderItem     **item,
 279                                                  gchar          **msgpath,
 280                                                  gboolean       check_subject,
 281                                                  gboolean       remove_reedit_target);
 282 static void compose_add_attachments             (Compose        *compose,
 283                                                  MimeInfo       *parent);
 284 static gchar *compose_get_header                (Compose        *compose);
 285
 286 static void compose_convert_header              (Compose        *compose,
 287                                                  gchar          *dest,
 288                                                  gint            len,
 289                                                  gchar          *src,
 290                                                  gint            header_len,
 291                                                  gboolean        addr_field);
 292
 293 static void compose_attach_info_free            (AttachInfo     *ainfo);
 294 static void compose_attach_remove_selected      (Compose        *compose);
 295
 296 static void compose_attach_property             (Compose        *compose);
 297 static void compose_attach_property_create      (gboolean       *cancelled);
 298 static void attach_property_ok                  (GtkWidget      *widget,
 299                                                  gboolean       *cancelled);
 300 static void attach_property_cancel              (GtkWidget      *widget,
 301                                                  gboolean       *cancelled);
 302 static gint attach_property_delete_event        (GtkWidget      *widget,
 303                                                  GdkEventAny    *event,
 304                                                  gboolean       *cancelled);
 305 static gboolean attach_property_key_pressed     (GtkWidget      *widget,
 306                                                  GdkEventKey    *event,
 307                                                  gboolean       *cancelled);
 308
 309 static void compose_exec_ext_editor             (Compose        *compose);
 310 #ifdef G_OS_UNIX
 311 static gint compose_exec_ext_editor_real        (const gchar    *file);
 312 static gboolean compose_ext_editor_kill         (Compose        *compose);
 313 static gboolean compose_input_cb                (GIOChannel     *source,
 314                                                  GIOCondition    condition,
 315                                                  gpointer        data);
 316 static void compose_set_ext_editor_sensitive    (Compose        *compose,
 317                                                  gboolean        sensitive);
 318 #endif /* G_OS_UNIX */
 319
 320 static void compose_undo_state_changed          (UndoMain       *undostruct,
 321                                                  gint            undo_state,
 322                                                  gint            redo_state,
 323                                                  gpointer        data);
 324
 325 static void compose_create_header_entry (Compose *compose);
 326 static void compose_add_header_entry    (Compose *compose, gchar *header, gchar *text);
 327 static void compose_update_priority_menu_item(Compose * compose);
 328 #if USE_ASPELL
 329 static void compose_spell_menu_changed  (void *data);
 330 #endif
 331 static void compose_add_field_list      ( Compose *compose,
 332                                           GList *listAddress );
 333
 334 /* callback functions */
 335
 336 static gboolean compose_edit_size_alloc (GtkEditable    *widget,
 337                                          GtkAllocation  *allocation,
 338                                          GtkSHRuler     *shruler);
 339 static void account_activated           (GtkComboBox *optmenu,
 340                                          gpointer        data);
 341 static void attach_selected             (GtkTreeView    *tree_view,
 342                                          GtkTreePath    *tree_path,
 343                                          GtkTreeViewColumn *column,
 344                                          Compose *compose);
 345 static gboolean attach_button_pressed   (GtkWidget      *widget,
 346                                          GdkEventButton *event,
 347                                          gpointer        data);
 348 static gboolean attach_key_pressed      (GtkWidget      *widget,
 349                                          GdkEventKey    *event,
 350                                          gpointer        data);
 351
 352 static void compose_send_cb             (gpointer        data,
 353                                          guint           action,
 354                                          GtkWidget      *widget);
 355 static void compose_send_later_cb       (gpointer        data,
 356                                          guint           action,
 357                                          GtkWidget      *widget);
 358
 359 static void compose_draft_cb            (gpointer        data,
 360                                          guint           action,
 361                                          GtkWidget      *widget);
 362
 363 static void compose_attach_cb           (gpointer        data,
 364                                          guint           action,
 365                                          GtkWidget      *widget);
 366 static void compose_insert_file_cb      (gpointer        data,
 367                                          guint           action,
 368                                          GtkWidget      *widget);
 369 static void compose_insert_sig_cb       (gpointer        data,
 370                                          guint           action,
 371                                          GtkWidget      *widget);
 372
 373 static void compose_close_cb            (gpointer        data,
 374                                          guint           action,
 375                                          GtkWidget      *widget);
 376
 377 static void compose_set_encoding_cb     (gpointer        data,
 378                                          guint           action,
 379                                          GtkWidget      *widget);
 380
 381 static void compose_address_cb          (gpointer        data,
 382                                          guint           action,
 383                                          GtkWidget      *widget);
 384 static void compose_template_activate_cb(GtkWidget      *widget,
 385                                          gpointer        data);
 386
 387 static void compose_ext_editor_cb       (gpointer        data,
 388                                          guint           action,
 389                                          GtkWidget      *widget);
 390
 391 static gint compose_delete_cb           (GtkWidget      *widget,
 392                                          GdkEventAny    *event,
 393                                          gpointer        data);
 394
 395 static void compose_undo_cb             (Compose        *compose);
 396 static void compose_redo_cb             (Compose        *compose);
 397 static void compose_cut_cb              (Compose        *compose);
 398 static void compose_copy_cb             (Compose        *compose);
 399 static void compose_paste_cb            (Compose        *compose);
 400 static void compose_paste_as_quote_cb   (Compose        *compose);
 401 static void compose_paste_no_wrap_cb    (Compose        *compose);
 402 static void compose_paste_wrap_cb       (Compose        *compose);
 403 static void compose_allsel_cb           (Compose        *compose);
 404
 405 static void compose_advanced_action_cb  (Compose                   *compose,
 406                                          ComposeCallAdvancedAction  action);
 407
 408 static void compose_grab_focus_cb       (GtkWidget      *widget,
 409                                          Compose        *compose);
 410
 411 static void compose_changed_cb          (GtkTextBuffer  *textbuf,
 412                                          Compose        *compose);
 413
 414 static void compose_wrap_cb             (gpointer        data,
 415                                          guint           action,
 416                                          GtkWidget      *widget);
 417 static void compose_find_cb             (gpointer        data,
 418                                          guint           action,
 419                                          GtkWidget      *widget);
 420 static void compose_toggle_autowrap_cb  (gpointer        data,
 421                                          guint           action,
 422                                          GtkWidget      *widget);
 423
 424 static void compose_toggle_ruler_cb     (gpointer        data,
 425                                          guint           action,
 426                                          GtkWidget      *widget);
 427 static void compose_toggle_sign_cb      (gpointer        data,
 428                                          guint           action,
 429                                          GtkWidget      *widget);
 430 static void compose_toggle_encrypt_cb   (gpointer        data,
 431                                          guint           action,
 432                                          GtkWidget      *widget);
 433 static void compose_set_privacy_system_cb(GtkWidget      *widget,
 434                                           gpointer        data);
 435 static void compose_update_privacy_system_menu_item(Compose * compose, gboolean warn);
 436 static void activate_privacy_system     (Compose *compose,
 437                                          PrefsAccount *account,
 438                                          gboolean warn);
 439 static void compose_use_signing(Compose *compose, gboolean use_signing);
 440 static void compose_use_encryption(Compose *compose, gboolean use_encryption);
 441 static void compose_toggle_return_receipt_cb(gpointer data, guint action,
 442                                              GtkWidget *widget);
 443 static void compose_toggle_remove_refs_cb(gpointer data, guint action,
 444                                              GtkWidget *widget);
 445 static void compose_set_priority_cb     (gpointer        data,
 446                                          guint           action,
 447                                          GtkWidget      *widget);
 448
 449 static void compose_attach_drag_received_cb (GtkWidget          *widget,
 450                                              GdkDragContext     *drag_context,
 451                                              gint                x,
 452                                              gint                y,
 453                                              GtkSelectionData   *data,
 454                                              guint               info,
 455                                              guint               time,
 456                                              gpointer            user_data);
 457 static void compose_insert_drag_received_cb (GtkWidget          *widget,
 458                                              GdkDragContext     *drag_context,
 459                                              gint                x,
 460                                              gint                y,
 461                                              GtkSelectionData   *data,
 462                                              guint               info,
 463                                              guint               time,
 464                                              gpointer            user_data);
 465 static void compose_header_drag_received_cb (GtkWidget          *widget,
 466                                              GdkDragContext     *drag_context,
 467                                              gint                x,
 468                                              gint                y,
 469                                              GtkSelectionData   *data,
 470                                              guint               info,
 471                                              guint               time,
 472                                              gpointer            user_data);
 473
 474 static gboolean compose_drag_drop           (GtkWidget *widget,
 475                                              GdkDragContext *drag_context,
 476                                              gint x, gint y,
 477                                              guint time, gpointer user_data);
 478
 479 static void text_inserted               (GtkTextBuffer  *buffer,
 480                                          GtkTextIter    *iter,
 481                                          const gchar    *text,
 482                                          gint            len,
 483                                          Compose        *compose);
 484 static Compose *compose_generic_reply(MsgInfo *msginfo, gboolean quote,
 485                                   gboolean to_all, gboolean to_ml,
 486                                   gboolean to_sender,
 487                                   gboolean followup_and_reply_to,
 488                                   const gchar *body);
 489
 490 gboolean compose_headerentry_changed_cb    (GtkWidget          *entry,
 491                                             ComposeHeaderEntry *headerentry);
 492 gboolean compose_headerentry_key_press_event_cb(GtkWidget              *entry,
 493                                             GdkEventKey        *event,
 494                                             ComposeHeaderEntry *headerentry);
 495
 496 static void compose_show_first_last_header (Compose *compose, gboolean show_first);
 497
 498 static void compose_allow_user_actions (Compose *compose, gboolean allow);
 499
 500 #if USE_ASPELL
 501 static void compose_check_all              (Compose *compose);
 502 static void compose_highlight_all          (Compose *compose);
 503 static void compose_check_backwards        (Compose *compose);
 504 static void compose_check_forwards_go      (Compose *compose);
 505 #endif
 506
 507 static gint compose_defer_auto_save_draft       (Compose        *compose);
 508 static PrefsAccount *compose_guess_forward_account_from_msginfo (MsgInfo *msginfo);
 509
 510 static GtkItemFactoryEntry compose_popup_entries[] =
 511 {
 512         {N_("/_Add..."),        NULL, compose_attach_cb, 0, NULL},
 513         {N_("/_Remove"),        NULL, compose_attach_remove_selected, 0, NULL},
 514         {N_("/---"),            NULL, NULL, 0, "<Separator>"},
 515         {N_("/_Properties..."), NULL, compose_attach_property, 0, NULL}
 516 };
 517
 518 static GtkItemFactoryEntry compose_entries[] =
 519 {
 520         {N_("/_Message"),                               NULL, NULL, 0, "<Branch>"},
 521         {N_("/_Message/_Send"),         "<control>Return",
 522                                         compose_send_cb, 0, NULL},
 523         {N_("/_Message/Send _later"),   "<shift><control>S",
 524                                         compose_send_later_cb,  0, NULL},
 525         {N_("/_Message/---"),                   NULL, NULL, 0, "<Separator>"},
 526         {N_("/_Message/_Attach file"),          "<control>M", compose_attach_cb,      0, NULL},
 527         {N_("/_Message/_Insert file"),          "<control>I", compose_insert_file_cb, 0, NULL},
 528         {N_("/_Message/Insert si_gnature"),     "<control>G", compose_insert_sig_cb,  0, NULL},
 529         {N_("/_Message/---"),                   NULL, NULL, 0, "<Separator>"},
 530         {N_("/_Message/_Save"),
 531                                                 "<control>S", compose_draft_cb, COMPOSE_KEEP_EDITING, NULL},
 532         {N_("/_Message/---"),                   NULL, NULL, 0, "<Separator>"},
 533         {N_("/_Message/_Close"),                        "<control>W", compose_close_cb, 0, NULL},
 534
 535         {N_("/_Edit"),                  NULL, NULL, 0, "<Branch>"},
 536         {N_("/_Edit/_Undo"),            "<control>Z", compose_undo_cb, 0, NULL},
 537         {N_("/_Edit/_Redo"),            "<control>Y", compose_redo_cb, 0, NULL},
 538         {N_("/_Edit/---"),              NULL, NULL, 0, "<Separator>"},
 539         {N_("/_Edit/Cu_t"),             "<control>X", compose_cut_cb,    0, NULL},
 540         {N_("/_Edit/_Copy"),            "<control>C", compose_copy_cb,   0, NULL},
 541         {N_("/_Edit/_Paste"),           "<control>V", compose_paste_cb,  0, NULL},
 542         {N_("/_Edit/Special paste"),    NULL, NULL, 0, "<Branch>"},
 543         {N_("/_Edit/Special paste/as _quotation"),
 544                                         NULL, compose_paste_as_quote_cb, 0, NULL},
 545         {N_("/_Edit/Special paste/_wrapped"),
 546                                         NULL, compose_paste_wrap_cb, 0, NULL},
 547         {N_("/_Edit/Special paste/_unwrapped"),
 548                                         NULL, compose_paste_no_wrap_cb, 0, NULL},
 549         {N_("/_Edit/Select _all"),      "<control>A", compose_allsel_cb, 0, NULL},
 550         {N_("/_Edit/A_dvanced"),        NULL, NULL, 0, "<Branch>"},
 551         {N_("/_Edit/A_dvanced/Move a character backward"),
 552                                         "<shift><control>B",
 553                                         compose_advanced_action_cb,
 554                                         COMPOSE_CALL_ADVANCED_ACTION_MOVE_BACKWARD_CHARACTER,
 555                                         NULL},
 556         {N_("/_Edit/A_dvanced/Move a character forward"),
 557                                         "<shift><control>F",
 558                                         compose_advanced_action_cb,
 559                                         COMPOSE_CALL_ADVANCED_ACTION_MOVE_FORWARD_CHARACTER,
 560                                         NULL},
 561         {N_("/_Edit/A_dvanced/Move a word backward"),
 562                                         NULL, /* "<alt>B" */
 563                                         compose_advanced_action_cb,
 564                                         COMPOSE_CALL_ADVANCED_ACTION_MOVE_BACKWARD_WORD,
 565                                         NULL},
 566         {N_("/_Edit/A_dvanced/Move a word forward"),
 567                                         NULL, /* "<alt>F" */
 568                                         compose_advanced_action_cb,
 569                                         COMPOSE_CALL_ADVANCED_ACTION_MOVE_FORWARD_WORD,
 570                                         NULL},
 571         {N_("/_Edit/A_dvanced/Move to beginning of line"),
 572                                         NULL, /* "<control>A" */
 573                                         compose_advanced_action_cb,
 574                                         COMPOSE_CALL_ADVANCED_ACTION_MOVE_BEGINNING_OF_LINE,
 575                                         NULL},
 576         {N_("/_Edit/A_dvanced/Move to end of line"),
 577                                         "<control>E",
 578                                         compose_advanced_action_cb,
 579                                         COMPOSE_CALL_ADVANCED_ACTION_MOVE_END_OF_LINE,
 580                                         NULL},
 581         {N_("/_Edit/A_dvanced/Move to previous line"),
 582                                         "<control>P",
 583                                         compose_advanced_action_cb,
 584                                         COMPOSE_CALL_ADVANCED_ACTION_MOVE_PREVIOUS_LINE,
 585                                         NULL},
 586         {N_("/_Edit/A_dvanced/Move to next line"),
 587                                         "<control>N",
 588                                         compose_advanced_action_cb,
 589                                         COMPOSE_CALL_ADVANCED_ACTION_MOVE_NEXT_LINE,
 590                                         NULL},
 591         {N_("/_Edit/A_dvanced/Delete a character backward"),
 592                                         "<control>H",
 593                                         compose_advanced_action_cb,
 594                                         COMPOSE_CALL_ADVANCED_ACTION_DELETE_BACKWARD_CHARACTER,
 595                                         NULL},
 596         {N_("/_Edit/A_dvanced/Delete a character forward"),
 597                                         "<control>D",
 598                                         compose_advanced_action_cb,
 599                                         COMPOSE_CALL_ADVANCED_ACTION_DELETE_FORWARD_CHARACTER,
 600                                         NULL},
 601         {N_("/_Edit/A_dvanced/Delete a word backward"),
 602                                         NULL, /* "<control>W" */
 603                                         compose_advanced_action_cb,
 604                                         COMPOSE_CALL_ADVANCED_ACTION_DELETE_BACKWARD_WORD,
 605                                         NULL},
 606         {N_("/_Edit/A_dvanced/Delete a word forward"),
 607                                         NULL, /* "<alt>D", */
 608                                         compose_advanced_action_cb,
 609                                         COMPOSE_CALL_ADVANCED_ACTION_DELETE_FORWARD_WORD,
 610                                         NULL},
 611         {N_("/_Edit/A_dvanced/Delete line"),
 612                                         "<control>U",
 613                                         compose_advanced_action_cb,
 614                                         COMPOSE_CALL_ADVANCED_ACTION_DELETE_LINE,
 615                                         NULL},
 616         {N_("/_Edit/A_dvanced/Delete entire line"),
 617                                         NULL,
 618                                         compose_advanced_action_cb,
 619                                         COMPOSE_CALL_ADVANCED_ACTION_DELETE_LINE_N,
 620                                         NULL},
 621         {N_("/_Edit/A_dvanced/Delete to end of line"),
 622                                         "<control>K",
 623                                         compose_advanced_action_cb,
 624                                         COMPOSE_CALL_ADVANCED_ACTION_DELETE_TO_LINE_END,
 625                                         NULL},
 626         {N_("/_Edit/---"),              NULL, NULL, 0, "<Separator>"},
 627         {N_("/_Edit/_Find"),
 628                                         "<control>F", compose_find_cb, 0, NULL},
 629         {N_("/_Edit/---"),                      NULL, NULL, 0, "<Separator>"},
 630         {N_("/_Edit/_Wrap current paragraph"),
 631                                         "<control>L", compose_wrap_cb, 0, NULL},
 632         {N_("/_Edit/Wrap all long _lines"),
 633                                         "<control><alt>L", compose_wrap_cb, 1, NULL},
 634         {N_("/_Edit/Aut_o wrapping"),   "<shift><control>L", compose_toggle_autowrap_cb, 0, "<ToggleItem>"},
 635         {N_("/_Edit/---"),              NULL, NULL, 0, "<Separator>"},
 636         {N_("/_Edit/Edit with e_xternal editor"),
 637                                         "<shift><control>X", compose_ext_editor_cb, 0, NULL},
 638 #if USE_ASPELL
 639         {N_("/_Spelling"),              NULL, NULL, 0, "<Branch>"},
 640         {N_("/_Spelling/_Check all or check selection"),
 641                                         NULL, compose_check_all, 0, NULL},
 642         {N_("/_Spelling/_Highlight all misspelled words"),
 643                                         NULL, compose_highlight_all, 0, NULL},
 644         {N_("/_Spelling/Check _backwards misspelled word"),
 645                                         NULL, compose_check_backwards , 0, NULL},
 646         {N_("/_Spelling/_Forward to next misspelled word"),
 647                                         NULL, compose_check_forwards_go, 0, NULL},
 648         {N_("/_Spelling/---"),          NULL, NULL, 0, "<Separator>"},
 649         {N_("/_Spelling/Options"),
 650                                         NULL, NULL, 0, "<Branch>"},
 651 #endif
 652         {N_("/_Options"),               NULL, NULL, 0, "<Branch>"},
 653         {N_("/_Options/Privacy System"),                NULL, NULL,   0, "<Branch>"},
 654         {N_("/_Options/Privacy System/None"),   NULL, NULL,   0, "<RadioItem>"},
 655         {N_("/_Options/Si_gn"),         NULL, compose_toggle_sign_cb   , 0, "<ToggleItem>"},
 656         {N_("/_Options/_Encrypt"),      NULL, compose_toggle_encrypt_cb, 0, "<ToggleItem>"},
 657         {N_("/_Options/---"),           NULL,           NULL,   0, "<Separator>"},
 658         {N_("/_Options/_Priority"),     NULL,           NULL,   0, "<Branch>"},
 659         {N_("/_Options/Priority/_Highest"), NULL, compose_set_priority_cb, PRIORITY_HIGHEST, "<RadioItem>"},
 660         {N_("/_Options/Priority/Hi_gh"),    NULL, compose_set_priority_cb, PRIORITY_HIGH, "/Options/Priority/Highest"},
 661         {N_("/_Options/Priority/_Normal"),  NULL, compose_set_priority_cb, PRIORITY_NORMAL, "/Options/Priority/Highest"},
 662         {N_("/_Options/Priority/Lo_w"),    NULL, compose_set_priority_cb, PRIORITY_LOW, "/Options/Priority/Highest"},
 663         {N_("/_Options/Priority/_Lowest"),  NULL, compose_set_priority_cb, PRIORITY_LOWEST, "/Options/Priority/Highest"},
 664         {N_("/_Options/---"),           NULL,           NULL,   0, "<Separator>"},
 665         {N_("/_Options/_Request Return Receipt"),       NULL, compose_toggle_return_receipt_cb, 0, "<ToggleItem>"},
 666         {N_("/_Options/---"),           NULL,           NULL,   0, "<Separator>"},
 667         {N_("/_Options/Remo_ve references"),    NULL, compose_toggle_remove_refs_cb, 0, "<ToggleItem>"},
 668         {N_("/_Options/---"),           NULL,           NULL,   0, "<Separator>"},
 669
 670 #define ENC_ACTION(action) \
 671         NULL, compose_set_encoding_cb, action, \
 672         "/Options/Character encoding/Automatic"
 673
 674         {N_("/_Options/Character _encoding"), NULL, NULL, 0, "<Branch>"},
 675         {N_("/_Options/Character _encoding/_Automatic"),
 676                         NULL, compose_set_encoding_cb, C_AUTO, "<RadioItem>"},
 677         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
 678
 679         {N_("/_Options/Character _encoding/7bit ascii (US-ASC_II)"),
 680          ENC_ACTION(C_US_ASCII)},
 681         {N_("/_Options/Character _encoding/Unicode (_UTF-8)"),
 682          ENC_ACTION(C_UTF_8)},
 683         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
 684
 685         {N_("/_Options/Character _encoding/Western European (ISO-8859-_1)"),
 686          ENC_ACTION(C_ISO_8859_1)},
 687         {N_("/_Options/Character _encoding/Western European (ISO-8859-15)"),
 688          ENC_ACTION(C_ISO_8859_15)},
 689         {N_("/_Options/Character _encoding/Western European (Windows-1252)"),
 690          ENC_ACTION(C_WINDOWS_1252)},
 691         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
 692
 693         {N_("/_Options/Character _encoding/Central European (ISO-8859-_2)"),
 694          ENC_ACTION(C_ISO_8859_2)},
 695         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
 696
 697         {N_("/_Options/Character _encoding/_Baltic (ISO-8859-13)"),
 698          ENC_ACTION(C_ISO_8859_13)},
 699         {N_("/_Options/Character _encoding/Baltic (ISO-8859-_4)"),
 700          ENC_ACTION(C_ISO_8859_4)},
 701         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
 702
 703         {N_("/_Options/Character _encoding/Greek (ISO-8859-_7)"),
 704          ENC_ACTION(C_ISO_8859_7)},
 705         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
 706
 707         {N_("/_Options/Character _encoding/Hebrew (ISO-8859-_8)"),
 708          ENC_ACTION(C_ISO_8859_8)},
 709         {N_("/_Options/Character _encoding/Hebrew (Windows-1255)"),
 710          ENC_ACTION(C_WINDOWS_1255)},
 711         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
 712
 713         {N_("/_Options/Character _encoding/Arabic (ISO-8859-_6)"),
 714          ENC_ACTION(C_ISO_8859_6)},
 715         {N_("/_Options/Character _encoding/Arabic (Windows-1256)"),
 716          ENC_ACTION(C_CP1256)},
 717         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
 718
 719         {N_("/_Options/Character _encoding/Turkish (ISO-8859-_9)"),
 720          ENC_ACTION(C_ISO_8859_9)},
 721         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
 722
 723         {N_("/_Options/Character _encoding/Cyrillic (ISO-8859-_5)"),
 724          ENC_ACTION(C_ISO_8859_5)},
 725         {N_("/_Options/Character _encoding/Cyrillic (KOI8-_R)"),
 726          ENC_ACTION(C_KOI8_R)},
 727         {N_("/_Options/Character _encoding/Cyrillic (KOI8-U)"),
 728          ENC_ACTION(C_KOI8_U)},
 729         {N_("/_Options/Character _encoding/Cyrillic (Windows-1251)"),
 730          ENC_ACTION(C_WINDOWS_1251)},
 731         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
 732
 733         {N_("/_Options/Character _encoding/Japanese (ISO-2022-_JP)"),
 734          ENC_ACTION(C_ISO_2022_JP)},
 735         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
 736
 737         {N_("/_Options/Character _encoding/Simplified Chinese (_GB2312)"),
 738          ENC_ACTION(C_GB2312)},
 739         {N_("/_Options/Character _encoding/Simplified Chinese (GBK)"),
 740          ENC_ACTION(C_GBK)},
 741         {N_("/_Options/Character _encoding/Traditional Chinese (_Big5)"),
 742          ENC_ACTION(C_BIG5)},
 743         {N_("/_Options/Character _encoding/Traditional Chinese (EUC-_TW)"),
 744          ENC_ACTION(C_EUC_TW)},
 745         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
 746
 747         {N_("/_Options/Character _encoding/Korean (EUC-_KR)"),
 748          ENC_ACTION(C_EUC_KR)},
 749         {N_("/_Options/Character _encoding/---"), NULL, NULL, 0, "<Separator>"},
 750
 751         {N_("/_Options/Character _encoding/Thai (TIS-620)"),
 752          ENC_ACTION(C_TIS_620)},
 753         {N_("/_Options/Character _encoding/Thai (Windows-874)"),
 754          ENC_ACTION(C_WINDOWS_874)},
 755
 756         {N_("/_Tools"),                 NULL, NULL, 0, "<Branch>"},
 757         {N_("/_Tools/Show _ruler"),     NULL, compose_toggle_ruler_cb, 0, "<ToggleItem>"},
 758         {N_("/_Tools/_Address book"),   "<shift><control>A", compose_address_cb , 0, NULL},
 759         {N_("/_Tools/_Template"),       NULL, NULL, 0, "<Branch>"},
 760         {N_("/_Tools/Actio_ns"),        NULL, NULL, 0, "<Branch>"},
 761         {N_("/_Help"),                  NULL, NULL, 0, "<Branch>"},
 762         {N_("/_Help/_About"),           NULL, about_show, 0, NULL}
 763 };
 764
 765 static GtkTargetEntry compose_mime_types[] =
 766 {
 767         {"text/uri-list", 0, 0},
 768         {"UTF8_STRING", 0, 0},
 769         {"text/plain", 0, 0}
 770 };
 771
 772 static gboolean compose_put_existing_to_front(MsgInfo *info)
 773 {
 774         GList *compose_list = compose_get_compose_list();
 775         GList *elem = NULL;
 776
 777         if (compose_list) {
 778                 for (elem = compose_list; elem != NULL && elem->data != NULL;
 779                      elem = elem->next) {
 780                         Compose *c = (Compose*)elem->data;
 781
 782                         if (!c->targetinfo || !c->targetinfo->msgid ||
 783                             !info->msgid)
 784                                 continue;
 785
 786                         if (!strcmp(c->targetinfo->msgid, info->msgid)) {
 787                                 gtkut_window_popup(c->window);
 788                                 return TRUE;
 789                         }
 790                 }
 791         }
 792         return FALSE;
 793 }
 794
 795 static GdkColor quote_color1 =
 796         {(gulong)0, (gushort)0, (gushort)0, (gushort)0};
 797 static GdkColor quote_color2 =
 798         {(gulong)0, (gushort)0, (gushort)0, (gushort)0};
 799 static GdkColor quote_color3 =
 800         {(gulong)0, (gushort)0, (gushort)0, (gushort)0};
 801
 802 static GdkColor quote_bgcolor1 =
 803         {(gulong)0, (gushort)0, (gushort)0, (gushort)0};
 804 static GdkColor quote_bgcolor2 =
 805         {(gulong)0, (gushort)0, (gushort)0, (gushort)0};
 806 static GdkColor quote_bgcolor3 =
 807         {(gulong)0, (gushort)0, (gushort)0, (gushort)0};
 808
 809 static GdkColor signature_color = {
 810         (gulong)0,
 811         (gushort)0x7fff,
 812         (gushort)0x7fff,
 813         (gushort)0x7fff
 814 };
 815
 816 static GdkColor uri_color = {
 817         (gulong)0,
 818         (gushort)0,
 819         (gushort)0,
 820         (gushort)0
 821 };
 822
 823 static void compose_create_tags(GtkTextView *text, Compose *compose)
 824 {
 825         GtkTextBuffer *buffer;
 826         GdkColor black = {(gulong)0, (gushort)0, (gushort)0, (gushort)0};
 827         GdkColormap *cmap;
 828         GdkColor color[8];
 829         gboolean success[8];
 830         int i;
 831
 832         buffer = gtk_text_view_get_buffer(text);
 833
 834         if (prefs_common.enable_color) {
 835                 /* grab the quote colors, converting from an int to a GdkColor */
 836                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
 837                                                &quote_color1);
 838                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
 839                                                &quote_color2);
 840                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
 841                                                &quote_color3);
 842                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_bgcol,
 843                                                &quote_bgcolor1);
 844                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_bgcol,
 845                                                &quote_bgcolor2);
 846                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_bgcol,
 847                                                &quote_bgcolor3);
 848                 gtkut_convert_int_to_gdk_color(prefs_common.signature_col,
 849                                                &signature_color);
 850                 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
 851                                                &uri_color);
 852         } else {
 853                 signature_color = quote_color1 = quote_color2 = quote_color3 =
 854                         quote_bgcolor1 = quote_bgcolor2 = quote_bgcolor3 = uri_color = black;
 855         }
 856
 857         if (prefs_common.enable_color && prefs_common.enable_bgcolor) {
 858                 gtk_text_buffer_create_tag(buffer, "quote0",
 859                                            "foreground-gdk", &quote_color1,
 860                                            "paragraph-background-gdk", &quote_bgcolor1,
 861                                            NULL);
 862                 gtk_text_buffer_create_tag(buffer, "quote1",
 863                                            "foreground-gdk", &quote_color2,
 864                                            "paragraph-background-gdk", &quote_bgcolor2,
 865                                            NULL);
 866                 gtk_text_buffer_create_tag(buffer, "quote2",
 867                                            "foreground-gdk", &quote_color3,
 868                                            "paragraph-background-gdk", &quote_bgcolor3,
 869                                            NULL);
 870         } else {
 871                 gtk_text_buffer_create_tag(buffer, "quote0",
 872                                            "foreground-gdk", &quote_color1,
 873                                            NULL);
 874                 gtk_text_buffer_create_tag(buffer, "quote1",
 875                                            "foreground-gdk", &quote_color2,
 876                                            NULL);
 877                 gtk_text_buffer_create_tag(buffer, "quote2",
 878                                            "foreground-gdk", &quote_color3,
 879                                            NULL);
 880         }
 881
 882         gtk_text_buffer_create_tag(buffer, "signature",
 883                                    "foreground-gdk", &signature_color,
 884                                    NULL);
 885         gtk_text_buffer_create_tag(buffer, "link",
 886                                         "foreground-gdk", &uri_color,
 887                                          NULL);
 888         compose->no_wrap_tag = gtk_text_buffer_create_tag(buffer, "no_wrap", NULL);
 889         compose->no_join_tag = gtk_text_buffer_create_tag(buffer, "no_join", NULL);
 890
 891         color[0] = quote_color1;
 892         color[1] = quote_color2;
 893         color[2] = quote_color3;
 894         color[3] = quote_bgcolor1;
 895         color[4] = quote_bgcolor2;
 896         color[5] = quote_bgcolor3;
 897         color[6] = signature_color;
 898         color[7] = uri_color;
 899         cmap = gdk_drawable_get_colormap(compose->window->window);
 900         gdk_colormap_alloc_colors(cmap, color, 8, FALSE, TRUE, success);
 901
 902         for (i = 0; i < 8; i++) {
 903                 if (success[i] == FALSE) {
 904                         GtkStyle *style;
 905
 906                         g_warning("Compose: color allocation failed.\n");
 907                         style = gtk_widget_get_style(GTK_WIDGET(text));
 908                         quote_color1 = quote_color2 = quote_color3 =
 909                                 quote_bgcolor1 = quote_bgcolor2 = quote_bgcolor3 =
 910                                 signature_color = uri_color = black;
 911                 }
 912         }
 913 }
 914
 915 Compose *compose_new(PrefsAccount *account, const gchar *mailto,
 916                      GPtrArray *attach_files)
 917 {
 918         return compose_generic_new(account, mailto, NULL, attach_files, NULL);
 919 }
 920
 921 Compose *compose_new_with_folderitem(PrefsAccount *account, FolderItem *item)
 922 {
 923         return compose_generic_new(account, NULL, item, NULL, NULL);
 924 }
 925
 926 Compose *compose_new_with_list( PrefsAccount *account, GList *listAddress )
 927 {
 928         return compose_generic_new( account, NULL, NULL, NULL, listAddress );
 929 }
 930
 931 Compose *compose_generic_new(PrefsAccount *account, const gchar *mailto, FolderItem *item,
 932                              GPtrArray *attach_files, GList *listAddress )
 933 {
 934         Compose *compose;
 935         GtkTextView *textview;
 936         GtkTextBuffer *textbuf;
 937         GtkTextIter iter;
 938         GtkItemFactory *ifactory;
 939
 940         if (item && item->prefs && item->prefs->enable_default_account)
 941                 account = account_find_from_id(item->prefs->default_account);
 942
 943         if (!account) account = cur_account;
 944         g_return_val_if_fail(account != NULL, NULL);
 945
 946         compose = compose_create(account, COMPOSE_NEW, FALSE);
 947
 948         ifactory = gtk_item_factory_from_widget(compose->menubar);
 949
 950         compose->replyinfo = NULL;
 951         compose->fwdinfo   = NULL;
 952
 953         textview = GTK_TEXT_VIEW(compose->text);
 954         textbuf = gtk_text_view_get_buffer(textview);
 955         compose_create_tags(textview, compose);
 956
 957         undo_block(compose->undostruct);
 958 #ifdef USE_ASPELL
 959         if (item && item->prefs && item->prefs->enable_default_dictionary &&
 960             compose->gtkaspell)
 961                 gtkaspell_change_dict(compose->gtkaspell,
 962                     item->prefs->default_dictionary);
 963         compose_spell_menu_changed(compose);
 964 #endif
 965
 966         if (account->auto_sig)
 967                 compose_insert_sig(compose, FALSE);
 968         gtk_text_buffer_get_start_iter(textbuf, &iter);
 969         gtk_text_buffer_place_cursor(textbuf, &iter);
 970
 971         if (account->protocol != A_NNTP) {
 972                 if (mailto && *mailto != '\0') {
 973                         compose_entries_set(compose, mailto);
 974
 975                 } else if (item && item->prefs->enable_default_to) {
 976                         compose_entry_append(compose, item->prefs->default_to, COMPOSE_TO);
 977                         compose_entry_mark_default_to(compose, item->prefs->default_to);
 978                 }
 979                 if (item && item->ret_rcpt) {
 980                         menu_set_active(ifactory, "/Options/Request Return Receipt", TRUE);
 981                 }
 982         } else {
 983                 if (mailto) {
 984                         compose_entry_append(compose, mailto, COMPOSE_NEWSGROUPS);
 985                 } else if (item) {
 986                         compose_entry_append(compose, item->path, COMPOSE_NEWSGROUPS);
 987                 }
 988                 /*
 989                  * CLAWS: just don't allow return receipt request, even if the user
 990                  * may want to send an email. simple but foolproof.
 991                  */
 992                 menu_set_sensitive(ifactory, "/Options/Request Return Receipt", FALSE);
 993         }
 994         compose_add_field_list( compose, listAddress );
 995
 996         if (attach_files) {
 997                 gint i;
 998                 gchar *file;
 999
1000                 for (i = 0; i < attach_files->len; i++) {
1001                         file = g_ptr_array_index(attach_files, i);
1002                         compose_attach_append(compose, file, file, NULL);
1003                 }
1004         }
1005
1006         compose_show_first_last_header(compose, TRUE);
1007
1008         /* Set save folder */
1009         if (item && item->prefs && item->prefs->save_copy_to_folder) {
1010                 gchar *folderidentifier;
1011
1012                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), prefs_common.savemsg);
1013                 folderidentifier = folder_item_get_identifier(item);
1014                 gtk_entry_set_text(GTK_ENTRY(compose->savemsg_entry), folderidentifier);
1015                 g_free(folderidentifier);
1016         }
1017
1018         gtk_widget_grab_focus(compose->header_last->entry);
1019
1020         undo_unblock(compose->undostruct);
1021
1022         if (prefs_common.auto_exteditor)
1023                 compose_exec_ext_editor(compose);
1024
1025         compose->modified = FALSE;
1026         compose_set_title(compose);
1027         return compose;
1028 }
1029
1030 static void compose_force_encryption(Compose *compose, PrefsAccount *account,
1031                 gboolean override_pref)
1032 {
1033         gchar *privacy = NULL;
1034
1035         g_return_if_fail(compose != NULL);
1036         g_return_if_fail(account != NULL);
1037
1038         if (override_pref == FALSE && account->default_encrypt_reply == FALSE)
1039                 return;
1040
1041         if (account->default_privacy_system
1042         &&  strlen(account->default_privacy_system)) {
1043                 privacy = account->default_privacy_system;
1044         } else {
1045                 GSList *privacy_avail = privacy_get_system_ids();
1046                 if (privacy_avail && g_slist_length(privacy_avail)) {
1047                         privacy = (gchar *)(privacy_avail->data);
1048                 }
1049         }
1050         if (privacy != NULL) {
1051                 compose->privacy_system = g_strdup(privacy);
1052                 compose_update_privacy_system_menu_item(compose, FALSE);
1053                 compose_use_encryption(compose, TRUE);
1054         }
1055 }
1056
1057 static void compose_force_signing(Compose *compose, PrefsAccount *account)
1058 {
1059         gchar *privacy = NULL;
1060
1061         if (account->default_privacy_system
1062         &&  strlen(account->default_privacy_system)) {
1063                 privacy = account->default_privacy_system;
1064         } else {
1065                 GSList *privacy_avail = privacy_get_system_ids();
1066                 if (privacy_avail && g_slist_length(privacy_avail)) {
1067                         privacy = (gchar *)(privacy_avail->data);
1068                 }
1069         }
1070         if (privacy != NULL) {
1071                 compose->privacy_system = g_strdup(privacy);
1072                 compose_update_privacy_system_menu_item(compose, FALSE);
1073                 compose_use_signing(compose, TRUE);
1074         }
1075 }
1076
1077 Compose *compose_reply_mode(ComposeMode mode, GSList *msginfo_list, gchar *body)
1078 {
1079         MsgInfo *msginfo;
1080         guint list_len;
1081         Compose *compose = NULL;
1082         g_return_val_if_fail(msginfo_list != NULL, NULL);
1083
1084         msginfo = (MsgInfo*)g_slist_nth_data(msginfo_list, 0);
1085         g_return_val_if_fail(msginfo != NULL, NULL);
1086
1087         list_len = g_slist_length(msginfo_list);
1088
1089         switch (mode) {
1090         case COMPOSE_REPLY:
1091                 compose = compose_reply(msginfo, prefs_common.reply_with_quote,
1092                               FALSE, prefs_common.default_reply_list, FALSE, body);
1093                 break;
1094         case COMPOSE_REPLY_WITH_QUOTE:
1095                 compose = compose_reply(msginfo, TRUE,
1096                         FALSE, prefs_common.default_reply_list, FALSE, body);
1097                 break;
1098         case COMPOSE_REPLY_WITHOUT_QUOTE:
1099                 compose = compose_reply(msginfo, FALSE,
1100                         FALSE, prefs_common.default_reply_list, FALSE, NULL);
1101                 break;
1102         case COMPOSE_REPLY_TO_SENDER:
1103                 compose = compose_reply(msginfo, prefs_common.reply_with_quote,
1104                               FALSE, FALSE, TRUE, body);
1105                 break;
1106         case COMPOSE_FOLLOWUP_AND_REPLY_TO:
1107                 compose = compose_followup_and_reply_to(msginfo,
1108                                               prefs_common.reply_with_quote,
1109                                               FALSE, FALSE, body);
1110                 break;
1111         case COMPOSE_REPLY_TO_SENDER_WITH_QUOTE:
1112                 compose = compose_reply(msginfo, TRUE,
1113                         FALSE, FALSE, TRUE, body);
1114                 break;
1115         case COMPOSE_REPLY_TO_SENDER_WITHOUT_QUOTE:
1116                 compose = compose_reply(msginfo, FALSE,
1117                         FALSE, FALSE, TRUE, NULL);
1118                 break;
1119         case COMPOSE_REPLY_TO_ALL:
1120                 compose = compose_reply(msginfo, prefs_common.reply_with_quote,
1121                         TRUE, FALSE, FALSE, body);
1122                 break;
1123         case COMPOSE_REPLY_TO_ALL_WITH_QUOTE:
1124                 compose = compose_reply(msginfo, TRUE,
1125                         TRUE, FALSE, FALSE, body);
1126                 break;
1127         case COMPOSE_REPLY_TO_ALL_WITHOUT_QUOTE:
1128                 compose = compose_reply(msginfo, FALSE,
1129                         TRUE, FALSE, FALSE, NULL);
1130                 break;
1131         case COMPOSE_REPLY_TO_LIST:
1132                 compose = compose_reply(msginfo, prefs_common.reply_with_quote,
1133                         FALSE, TRUE, FALSE, body);
1134                 break;
1135         case COMPOSE_REPLY_TO_LIST_WITH_QUOTE:
1136                 compose = compose_reply(msginfo, TRUE,
1137                         FALSE, TRUE, FALSE, body);
1138                 break;
1139         case COMPOSE_REPLY_TO_LIST_WITHOUT_QUOTE:
1140                 compose = compose_reply(msginfo, FALSE,
1141                         FALSE, TRUE, FALSE, NULL);
1142                 break;
1143         case COMPOSE_FORWARD:
1144                 if (prefs_common.forward_as_attachment) {
1145                         compose = compose_reply_mode(COMPOSE_FORWARD_AS_ATTACH, msginfo_list, body);
1146                         return compose;
1147                 } else {
1148                         compose = compose_reply_mode(COMPOSE_FORWARD_INLINE, msginfo_list, body);
1149                         return compose;
1150                 }
1151                 break;
1152         case COMPOSE_FORWARD_INLINE:
1153                 /* check if we reply to more than one Message */
1154                 if (list_len == 1) {
1155                         compose = compose_forward(NULL, msginfo, FALSE, body, FALSE, FALSE);
1156                         break;
1157                 }
1158                 /* more messages FALL THROUGH */
1159         case COMPOSE_FORWARD_AS_ATTACH:
1160                 compose = compose_forward_multiple(NULL, msginfo_list);
1161                 break;
1162         case COMPOSE_REDIRECT:
1163                 compose = compose_redirect(NULL, msginfo, FALSE);
1164                 break;
1165         default:
1166                 g_warning("compose_reply(): invalid Compose Mode: %d\n", mode);
1167         }
1168         return compose;
1169 }
1170
1171 Compose *compose_reply(MsgInfo *msginfo, gboolean quote, gboolean to_all,
1172                    gboolean to_ml, gboolean to_sender,
1173                    const gchar *body)
1174 {
1175         return compose_generic_reply(msginfo, quote, to_all, to_ml,
1176                               to_sender, FALSE, body);
1177 }
1178
1179 Compose *compose_followup_and_reply_to(MsgInfo *msginfo, gboolean quote,
1180                                    gboolean to_all,
1181                                    gboolean to_sender,
1182                                    const gchar *body)
1183 {
1184         return compose_generic_reply(msginfo, quote, to_all, FALSE,
1185                               to_sender, TRUE, body);
1186 }
1187
1188 static void compose_extract_original_charset(Compose *compose)
1189 {
1190         MsgInfo *info = NULL;
1191         if (compose->replyinfo) {
1192                 info = compose->replyinfo;
1193         } else if (compose->fwdinfo) {
1194                 info = compose->fwdinfo;
1195         } else if (compose->targetinfo) {
1196                 info = compose->targetinfo;
1197         }
1198         if (info) {
1199                 MimeInfo *mimeinfo = procmime_scan_message(info);
1200                 MimeInfo *partinfo = mimeinfo;
1201                 while (partinfo && partinfo->type != MIMETYPE_TEXT)
1202                         partinfo = procmime_mimeinfo_next(partinfo);
1203                 if (partinfo) {
1204                         compose->orig_charset =
1205                                 g_strdup(procmime_mimeinfo_get_parameter(
1206                                                 partinfo, "charset"));
1207                 }
1208                 procmime_mimeinfo_free_all(mimeinfo);
1209         }
1210 }
1211
1212 #define SIGNAL_BLOCK(buffer) {                                  \
1213         g_signal_handlers_block_by_func(G_OBJECT(buffer),       \
1214                                 G_CALLBACK(compose_changed_cb), \
1215                                 compose);                       \
1216         g_signal_handlers_block_by_func(G_OBJECT(buffer),       \
1217                                 G_CALLBACK(text_inserted),      \
1218                                 compose);                       \
1219 }
1220
1221 #define SIGNAL_UNBLOCK(buffer) {                                \
1222         g_signal_handlers_unblock_by_func(G_OBJECT(buffer),     \
1223                                 G_CALLBACK(compose_changed_cb), \
1224                                 compose);                       \
1225         g_signal_handlers_unblock_by_func(G_OBJECT(buffer),     \
1226                                 G_CALLBACK(text_inserted),      \
1227                                 compose);                       \
1228 }
1229
1230 static Compose *compose_generic_reply(MsgInfo *msginfo, gboolean quote,
1231                                   gboolean to_all, gboolean to_ml,
1232                                   gboolean to_sender,
1233                                   gboolean followup_and_reply_to,
1234                                   const gchar *body)
1235 {
1236         GtkItemFactory *ifactory;
1237         Compose *compose;
1238         PrefsAccount *account = NULL;
1239         PrefsAccount *reply_account;
1240         GtkTextView *textview;
1241         GtkTextBuffer *textbuf;
1242
1243         g_return_val_if_fail(msginfo != NULL, NULL);
1244         g_return_val_if_fail(msginfo->folder != NULL, NULL);
1245
1246         account = account_get_reply_account(msginfo, prefs_common.reply_account_autosel);
1247
1248         g_return_val_if_fail(account != NULL, NULL);
1249
1250         if (to_sender && account->protocol == A_NNTP &&
1251             !followup_and_reply_to) {
1252                 reply_account =
1253                         account_find_from_address(account->address);
1254                 if (!reply_account)
1255                         reply_account = compose_current_mail_account();
1256                 if (!reply_account)
1257                         return NULL;
1258         } else
1259                 reply_account = account;
1260
1261         compose = compose_create(account, COMPOSE_REPLY, FALSE);
1262
1263         compose->updating = TRUE;
1264
1265         ifactory = gtk_item_factory_from_widget(compose->menubar);
1266
1267         menu_set_active(ifactory, "/Options/Remove references", FALSE);
1268         menu_set_sensitive(ifactory, "/Options/Remove references", TRUE);
1269
1270         compose->replyinfo = procmsg_msginfo_get_full_info(msginfo);
1271         if (!compose->replyinfo)
1272                 compose->replyinfo = procmsg_msginfo_copy(msginfo);
1273
1274         compose_extract_original_charset(compose);
1275
1276         if (msginfo->folder && msginfo->folder->ret_rcpt)
1277                 menu_set_active(ifactory, "/Options/Request Return Receipt", TRUE);
1278
1279         /* Set save folder */
1280         if (msginfo->folder && msginfo->folder->prefs && msginfo->folder->prefs->save_copy_to_folder) {
1281                 gchar *folderidentifier;
1282
1283                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), TRUE);
1284                 folderidentifier = folder_item_get_identifier(msginfo->folder);
1285                 gtk_entry_set_text(GTK_ENTRY(compose->savemsg_entry), folderidentifier);
1286                 g_free(folderidentifier);
1287         }
1288
1289         if (compose_parse_header(compose, msginfo) < 0) return NULL;
1290         compose_reply_set_entry(compose, msginfo, to_all, to_ml,
1291                                 to_sender, followup_and_reply_to);
1292         compose_show_first_last_header(compose, TRUE);
1293
1294         textview = (GTK_TEXT_VIEW(compose->text));
1295         textbuf = gtk_text_view_get_buffer(textview);
1296         compose_create_tags(textview, compose);
1297
1298         undo_block(compose->undostruct);
1299 #ifdef USE_ASPELL
1300         if (msginfo->folder && msginfo->folder->prefs &&
1301             msginfo->folder->prefs &&
1302             msginfo->folder->prefs->enable_default_dictionary &&
1303             compose->gtkaspell)
1304                 gtkaspell_change_dict(compose->gtkaspell,
1305                     msginfo->folder->prefs->default_dictionary);
1306 #endif
1307
1308         if (quote) {
1309                 gchar *qmark;
1310
1311                 if (prefs_common.quotemark && *prefs_common.quotemark)
1312                         qmark = prefs_common.quotemark;
1313                 else
1314                         qmark = "> ";
1315
1316                 compose_quote_fmt(compose, compose->replyinfo,
1317                                   prefs_common.quotefmt,
1318                                   qmark, body, FALSE);
1319                 quote_fmt_reset_vartable();
1320         }
1321         if (procmime_msginfo_is_encrypted(compose->replyinfo)) {
1322                 compose_force_encryption(compose, account, FALSE);
1323         }
1324
1325         SIGNAL_BLOCK(textbuf);
1326
1327         if (account->auto_sig)
1328                 compose_insert_sig(compose, FALSE);
1329
1330         compose_wrap_all(compose);
1331
1332         SIGNAL_UNBLOCK(textbuf);
1333
1334         gtk_widget_grab_focus(compose->text);
1335
1336         undo_unblock(compose->undostruct);
1337
1338         if (prefs_common.auto_exteditor)
1339                 compose_exec_ext_editor(compose);
1340
1341         compose->modified = FALSE;
1342         compose_set_title(compose);
1343
1344         compose->updating = FALSE;
1345
1346         if (compose->deferred_destroy) {
1347                 compose_destroy(compose);
1348                 return NULL;
1349         }
1350
1351         return compose;
1352 }
1353
1354 #define INSERT_FW_HEADER(var, hdr) \
1355 if (msginfo->var && *msginfo->var) { \
1356         gtk_stext_insert(text, NULL, NULL, NULL, hdr, -1); \
1357         gtk_stext_insert(text, NULL, NULL, NULL, msginfo->var, -1); \
1358         gtk_stext_insert(text, NULL, NULL, NULL, "\n", 1); \
1359 }
1360
1361 Compose *compose_forward(PrefsAccount *account, MsgInfo *msginfo,
1362                          gboolean as_attach, const gchar *body,
1363                          gboolean no_extedit,
1364                          gboolean batch)
1365 {
1366         Compose *compose;
1367         GtkTextView *textview;
1368         GtkTextBuffer *textbuf;
1369         GtkTextIter iter;
1370
1371         g_return_val_if_fail(msginfo != NULL, NULL);
1372         g_return_val_if_fail(msginfo->folder != NULL, NULL);
1373
1374         if (!account &&
1375             !(account = compose_guess_forward_account_from_msginfo
1376                                 (msginfo)))
1377                 account = cur_account;
1378
1379         compose = compose_create(account, COMPOSE_FORWARD, batch);
1380
1381         compose->updating = TRUE;
1382         compose->fwdinfo = procmsg_msginfo_get_full_info(msginfo);
1383         if (!compose->fwdinfo)
1384                 compose->fwdinfo = procmsg_msginfo_copy(msginfo);
1385
1386         compose_extract_original_charset(compose);
1387
1388         if (msginfo->subject && *msginfo->subject) {
1389                 gchar *buf, *buf2, *p;
1390
1391                 buf = p = g_strdup(msginfo->subject);
1392                 p += subject_get_prefix_length(p);
1393                 memmove(buf, p, strlen(p) + 1);
1394
1395                 buf2 = g_strdup_printf("Fw: %s", buf);
1396                 gtk_entry_set_text(GTK_ENTRY(compose->subject_entry), buf2);
1397
1398                 g_free(buf);
1399                 g_free(buf2);
1400         }
1401
1402         textview = GTK_TEXT_VIEW(compose->text);
1403         textbuf = gtk_text_view_get_buffer(textview);
1404         compose_create_tags(textview, compose);
1405
1406         undo_block(compose->undostruct);
1407         if (as_attach) {
1408                 gchar *msgfile;
1409
1410                 msgfile = procmsg_get_message_file_path(msginfo);
1411                 if (!is_file_exist(msgfile))
1412                         g_warning("%s: file not exist\n", msgfile);
1413                 else
1414                         compose_attach_append(compose, msgfile, msgfile,
1415                                               "message/rfc822");
1416
1417                 g_free(msgfile);
1418         } else {
1419                 gchar *qmark;
1420                 MsgInfo *full_msginfo;
1421
1422                 full_msginfo = procmsg_msginfo_get_full_info(msginfo);
1423                 if (!full_msginfo)
1424                         full_msginfo = procmsg_msginfo_copy(msginfo);
1425
1426                 if (prefs_common.fw_quotemark &&
1427                     *prefs_common.fw_quotemark)
1428                         qmark = prefs_common.fw_quotemark;
1429                 else
1430                         qmark = "> ";
1431
1432                 compose_quote_fmt(compose, full_msginfo,
1433                                   prefs_common.fw_quotefmt,
1434                                   qmark, body, FALSE);
1435                 quote_fmt_reset_vartable();
1436                 compose_attach_parts(compose, msginfo);
1437
1438                 procmsg_msginfo_free(full_msginfo);
1439         }
1440
1441         SIGNAL_BLOCK(textbuf);
1442
1443         if (account->auto_sig)
1444                 compose_insert_sig(compose, FALSE);
1445
1446         compose_wrap_all(compose);
1447
1448         SIGNAL_UNBLOCK(textbuf);
1449
1450         gtk_text_buffer_get_start_iter(textbuf, &iter);
1451         gtk_text_buffer_place_cursor(textbuf, &iter);
1452
1453         gtk_widget_grab_focus(compose->header_last->entry);
1454
1455         if (!no_extedit && prefs_common.auto_exteditor)
1456                 compose_exec_ext_editor(compose);
1457
1458         /*save folder*/
1459         if (msginfo->folder && msginfo->folder->prefs && msginfo->folder->prefs->save_copy_to_folder) {
1460                 gchar *folderidentifier;
1461
1462                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), TRUE);
1463                 folderidentifier = folder_item_get_identifier(msginfo->folder);
1464                 gtk_entry_set_text(GTK_ENTRY(compose->savemsg_entry), folderidentifier);
1465                 g_free(folderidentifier);
1466         }
1467
1468         undo_unblock(compose->undostruct);
1469
1470         compose->modified = FALSE;
1471         compose_set_title(compose);
1472
1473         compose->updating = FALSE;
1474
1475         if (compose->deferred_destroy) {
1476                 compose_destroy(compose);
1477                 return NULL;
1478         }
1479
1480         return compose;
1481 }
1482
1483 #undef INSERT_FW_HEADER
1484
1485 Compose *compose_forward_multiple(PrefsAccount *account, GSList *msginfo_list)
1486 {
1487         Compose *compose;
1488         GtkTextView *textview;
1489         GtkTextBuffer *textbuf;
1490         GtkTextIter iter;
1491         GSList *msginfo;
1492         gchar *msgfile;
1493         gboolean single_mail = TRUE;
1494
1495         g_return_val_if_fail(msginfo_list != NULL, NULL);
1496
1497         if (g_slist_length(msginfo_list) > 1)
1498                 single_mail = FALSE;
1499
1500         for (msginfo = msginfo_list; msginfo != NULL; msginfo = msginfo->next)
1501                 if (((MsgInfo *)msginfo->data)->folder == NULL)
1502                         return NULL;
1503
1504         /* guess account from first selected message */
1505         if (!account &&
1506             !(account = compose_guess_forward_account_from_msginfo
1507                                 (msginfo_list->data)))
1508                 account = cur_account;
1509
1510         g_return_val_if_fail(account != NULL, NULL);
1511
1512         for (msginfo = msginfo_list; msginfo != NULL; msginfo = msginfo->next) {
1513                 MSG_UNSET_PERM_FLAGS(((MsgInfo *)msginfo->data)->flags, MSG_REPLIED);
1514                 MSG_SET_PERM_FLAGS(((MsgInfo *)msginfo->data)->flags, MSG_FORWARDED);
1515         }
1516
1517         compose = compose_create(account, COMPOSE_FORWARD, FALSE);
1518
1519         compose->updating = TRUE;
1520
1521         textview = GTK_TEXT_VIEW(compose->text);
1522         textbuf = gtk_text_view_get_buffer(textview);
1523         compose_create_tags(textview, compose);
1524
1525         undo_block(compose->undostruct);
1526         for (msginfo = msginfo_list; msginfo != NULL; msginfo = msginfo->next) {
1527                 msgfile = procmsg_get_message_file_path((MsgInfo *)msginfo->data);
1528
1529                 if (!is_file_exist(msgfile))
1530                         g_warning("%s: file not exist\n", msgfile);
1531                 else
1532                         compose_attach_append(compose, msgfile, msgfile,
1533                                 "message/rfc822");
1534                 g_free(msgfile);
1535         }
1536
1537         if (single_mail) {
1538                 MsgInfo *info = (MsgInfo *)msginfo_list->data;
1539                 if (info->subject && *info->subject) {
1540                         gchar *buf, *buf2, *p;
1541
1542                         buf = p = g_strdup(info->subject);
1543                         p += subject_get_prefix_length(p);
1544                         memmove(buf, p, strlen(p) + 1);
1545
1546                         buf2 = g_strdup_printf("Fw: %s", buf);
1547                         gtk_entry_set_text(GTK_ENTRY(compose->subject_entry), buf2);
1548
1549                         g_free(buf);
1550                         g_free(buf2);
1551                 }
1552         } else {
1553                 gtk_entry_set_text(GTK_ENTRY(compose->subject_entry),
1554                         _("Fw: multiple emails"));
1555         }
1556
1557         SIGNAL_BLOCK(textbuf);
1558
1559         if (account->auto_sig)
1560                 compose_insert_sig(compose, FALSE);
1561
1562         compose_wrap_all(compose);
1563
1564         SIGNAL_UNBLOCK(textbuf);
1565
1566         gtk_text_buffer_get_start_iter(textbuf, &iter);
1567         gtk_text_buffer_place_cursor(textbuf, &iter);
1568
1569         gtk_widget_grab_focus(compose->header_last->entry);
1570         undo_unblock(compose->undostruct);
1571         compose->modified = FALSE;
1572         compose_set_title(compose);
1573
1574         compose->updating = FALSE;
1575
1576         if (compose->deferred_destroy) {
1577                 compose_destroy(compose);
1578                 return NULL;
1579         }
1580
1581         return compose;
1582 }
1583
1584 static gboolean compose_is_sig_separator(Compose *compose, GtkTextBuffer *textbuf, GtkTextIter *iter)
1585 {
1586         GtkTextIter start = *iter;
1587         GtkTextIter end_iter;
1588         int start_pos = gtk_text_iter_get_offset(&start);
1589         gchar *str = NULL;
1590         if (!compose->account->sig_sep)
1591                 return FALSE;
1592
1593         gtk_text_buffer_get_iter_at_offset(textbuf, &end_iter,
1594                 start_pos+strlen(compose->account->sig_sep));
1595
1596         /* check sig separator */
1597         str = gtk_text_iter_get_text(&start, &end_iter);
1598         if (!strcmp(str, compose->account->sig_sep)) {
1599                 gchar *tmp = NULL;
1600                 /* check end of line (\n) */
1601                 gtk_text_buffer_get_iter_at_offset(textbuf, &start,
1602                         start_pos+strlen(compose->account->sig_sep));
1603                 gtk_text_buffer_get_iter_at_offset(textbuf, &end_iter,
1604                         start_pos+strlen(compose->account->sig_sep)+1);
1605                 tmp = gtk_text_iter_get_text(&start, &end_iter);
1606                 if (!strcmp(tmp,"\n")) {
1607                         g_free(str);
1608                         g_free(tmp);
1609                         return TRUE;
1610                 }
1611                 g_free(tmp);
1612         }
1613         g_free(str);
1614
1615         return FALSE;
1616 }
1617
1618 static void compose_colorize_signature(Compose *compose)
1619 {
1620         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(compose->text));
1621         GtkTextIter iter;
1622         GtkTextIter end_iter;
1623         gtk_text_buffer_get_start_iter(buffer, &iter);
1624         while (gtk_text_iter_forward_line(&iter))
1625                 if (compose_is_sig_separator(compose, buffer, &iter)) {
1626                         gtk_text_buffer_get_end_iter(buffer, &end_iter);
1627                         gtk_text_buffer_apply_tag_by_name(buffer,"signature",&iter, &end_iter);
1628                 }
1629 }
1630
1631 Compose *compose_reedit(MsgInfo *msginfo, gboolean batch)
1632 {
1633         Compose *compose = NULL;
1634         PrefsAccount *account = NULL;
1635         GtkTextView *textview;
1636         GtkTextBuffer *textbuf;
1637         GtkTextMark *mark;
1638         GtkTextIter iter;
1639         FILE *fp;
1640         gchar buf[BUFFSIZE];
1641         gboolean use_signing = FALSE;
1642         gboolean use_encryption = FALSE;
1643         gchar *privacy_system = NULL;
1644         int priority = PRIORITY_NORMAL;
1645
1646         g_return_val_if_fail(msginfo != NULL, NULL);
1647         g_return_val_if_fail(msginfo->folder != NULL, NULL);
1648
1649         if (compose_put_existing_to_front(msginfo)) {
1650                 return NULL;
1651         }
1652
1653         if (folder_has_parent_of_type(msginfo->folder, F_QUEUE) ||
1654             folder_has_parent_of_type(msginfo->folder, F_DRAFT)) {
1655                 gchar queueheader_buf[BUFFSIZE];
1656                 gint id, param;
1657
1658                 /* Select Account from queue headers */
1659                 if (!procheader_get_header_from_msginfo(msginfo, queueheader_buf,
1660                                              sizeof(queueheader_buf), "X-Sylpheed-Account-Id:")) {
1661                         id = atoi(&queueheader_buf[strlen("X-Sylpheed-Account-Id:")]);
1662                         account = account_find_from_id(id);
1663                 }
1664                 if (!account && !procheader_get_header_from_msginfo(msginfo, queueheader_buf,
1665                                              sizeof(queueheader_buf), "NAID:")) {
1666                         id = atoi(&queueheader_buf[strlen("NAID:")]);
1667                         account = account_find_from_id(id);
1668                 }
1669                 if (!account && !procheader_get_header_from_msginfo(msginfo, queueheader_buf,
1670                                                     sizeof(queueheader_buf), "MAID:")) {
1671                         id = atoi(&queueheader_buf[strlen("MAID:")]);
1672                         account = account_find_from_id(id);
1673                 }
1674                 if (!account && !procheader_get_header_from_msginfo(msginfo, queueheader_buf,
1675                                                                 sizeof(queueheader_buf), "S:")) {
1676                         account = account_find_from_address(queueheader_buf);
1677                 }
1678                 if (!procheader_get_header_from_msginfo(msginfo, queueheader_buf,
1679                                              sizeof(queueheader_buf), "X-Sylpheed-Sign:")) {
1680                         param = atoi(&queueheader_buf[strlen("X-Sylpheed-Sign:")]);
1681                         use_signing = param;
1682
1683                 }
1684                 if (!procheader_get_header_from_msginfo(msginfo, queueheader_buf,
1685                                              sizeof(queueheader_buf), "X-Sylpheed-Encrypt:")) {
1686                         param = atoi(&queueheader_buf[strlen("X-Sylpheed-Encrypt:")]);
1687                         use_encryption = param;
1688                 }
1689                 if (!procheader_get_header_from_msginfo(msginfo, queueheader_buf,
1690                                             sizeof(queueheader_buf), "X-Sylpheed-Privacy-System:")) {
1691                         privacy_system = g_strdup(&queueheader_buf[strlen("X-Sylpheed-Privacy-System:")]);
1692                 }
1693                 if (!procheader_get_header_from_msginfo(msginfo, queueheader_buf,
1694                                              sizeof(queueheader_buf), "X-Priority: ")) {
1695                         param = atoi(&queueheader_buf[strlen("X-Priority: ")]); /* mind the space */
1696                         priority = param;
1697                 }
1698         } else {
1699                 account = msginfo->folder->folder->account;
1700         }
1701
1702         if (!account && prefs_common.reedit_account_autosel) {
1703                 gchar from[BUFFSIZE];
1704                 if (!procheader_get_header_from_msginfo(msginfo, from, sizeof(from), "FROM:")) {
1705                         extract_address(from);
1706                         account = account_find_from_address(from);
1707                 }
1708         }
1709         if (!account) {
1710                 account = cur_account;
1711         }
1712         g_return_val_if_fail(account != NULL, NULL);
1713
1714         compose = compose_create(account, COMPOSE_REEDIT, batch);
1715
1716         compose->updating = TRUE;
1717         compose->priority = priority;
1718
1719         if (privacy_system != NULL) {
1720                 compose->privacy_system = privacy_system;
1721                 compose_use_signing(compose, use_signing);
1722                 compose_use_encryption(compose, use_encryption);
1723                 compose_update_privacy_system_menu_item(compose, FALSE);
1724         } else {
1725                 activate_privacy_system(compose, account, FALSE);
1726         }
1727
1728         compose->targetinfo = procmsg_msginfo_copy(msginfo);
1729
1730         compose_extract_original_charset(compose);
1731
1732         if (folder_has_parent_of_type(msginfo->folder, F_QUEUE) ||
1733             folder_has_parent_of_type(msginfo->folder, F_DRAFT)) {
1734                 gchar queueheader_buf[BUFFSIZE];
1735
1736                 /* Set message save folder */
1737                 if (!procheader_get_header_from_msginfo(msginfo, queueheader_buf, sizeof(queueheader_buf), "SCF:")) {
1738                         gint startpos = 0;
1739
1740                         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), TRUE);
1741                         gtk_editable_delete_text(GTK_EDITABLE(compose->savemsg_entry), 0, -1);
1742                         gtk_editable_insert_text(GTK_EDITABLE(compose->savemsg_entry), &queueheader_buf[4], strlen(&queueheader_buf[4]), &startpos);
1743                 }
1744                 if (!procheader_get_header_from_msginfo(msginfo, queueheader_buf, sizeof(queueheader_buf), "RRCPT:")) {
1745                         gint active = atoi(&queueheader_buf[strlen("RRCPT:")]);
1746                         if (active) {
1747                                 GtkItemFactory *ifactory;
1748                                 ifactory = gtk_item_factory_from_widget(compose->menubar);
1749                                 menu_set_active(ifactory, "/Options/Request Return Receipt", TRUE);
1750                         }
1751                 }
1752         }
1753
1754         if (compose_parse_header(compose, msginfo) < 0) {
1755                 compose->updating = FALSE;
1756                 compose_destroy(compose);
1757                 return NULL;
1758         }
1759         compose_reedit_set_entry(compose, msginfo);
1760
1761         textview = GTK_TEXT_VIEW(compose->text);
1762         textbuf = gtk_text_view_get_buffer(textview);
1763         compose_create_tags(textview, compose);
1764
1765         mark = gtk_text_buffer_get_insert(textbuf);
1766         gtk_text_buffer_get_iter_at_mark(textbuf, &iter, mark);
1767
1768         g_signal_handlers_block_by_func(G_OBJECT(textbuf),
1769                                         G_CALLBACK(compose_changed_cb),
1770                                         compose);
1771
1772         if (procmime_msginfo_is_encrypted(msginfo)) {
1773                 fp = procmime_get_first_encrypted_text_content(msginfo);
1774                 if (fp) {
1775                         compose_force_encryption(compose, account, TRUE);
1776                 }
1777         } else {
1778                 fp = procmime_get_first_text_content(msginfo);
1779         }
1780         if (fp == NULL) {
1781                 g_warning("Can't get text part\n");
1782         }
1783
1784         if (fp != NULL) {
1785                 gboolean prev_autowrap = compose->autowrap;
1786
1787                 compose->autowrap = FALSE;
1788                 while (fgets(buf, sizeof(buf), fp) != NULL) {
1789                         strcrchomp(buf);
1790                         gtk_text_buffer_insert(textbuf, &iter, buf, -1);
1791                 }
1792                 compose_wrap_all_full(compose, FALSE);
1793                 compose->autowrap = prev_autowrap;
1794                 fclose(fp);
1795         }
1796
1797         compose_attach_parts(compose, msginfo);
1798
1799         compose_colorize_signature(compose);
1800
1801         g_signal_handlers_unblock_by_func(G_OBJECT(textbuf),
1802                                         G_CALLBACK(compose_changed_cb),
1803                                         compose);
1804
1805         gtk_widget_grab_focus(compose->text);
1806
1807         if (prefs_common.auto_exteditor) {
1808                 compose_exec_ext_editor(compose);
1809         }
1810         compose->modified = FALSE;
1811         compose_set_title(compose);
1812
1813         compose->updating = FALSE;
1814
1815         if (compose->deferred_destroy) {
1816                 compose_destroy(compose);
1817                 return NULL;
1818         }
1819
1820         compose->sig_str = compose_get_signature_str(compose);
1821
1822         return compose;
1823 }
1824
1825 Compose *compose_redirect(PrefsAccount *account, MsgInfo *msginfo,
1826                                                  gboolean batch)
1827 {
1828         Compose *compose;
1829         gchar *filename;
1830         GtkItemFactory *ifactory;
1831         FolderItem *item;
1832
1833         g_return_val_if_fail(msginfo != NULL, NULL);
1834
1835         if (!account)
1836                 account = account_get_reply_account(msginfo,
1837                                         prefs_common.reply_account_autosel);
1838         g_return_val_if_fail(account != NULL, NULL);
1839
1840         compose = compose_create(account, COMPOSE_REDIRECT, batch);
1841
1842         compose->updating = TRUE;
1843
1844         ifactory = gtk_item_factory_from_widget(compose->menubar);
1845         compose_create_tags(GTK_TEXT_VIEW(compose->text), compose);
1846         compose->replyinfo = NULL;
1847         compose->fwdinfo = NULL;
1848
1849         compose_show_first_last_header(compose, TRUE);
1850
1851         gtk_widget_grab_focus(compose->header_last->entry);
1852
1853         filename = procmsg_get_message_file_path(msginfo);
1854
1855         if (filename == NULL) {
1856                 compose->updating = FALSE;
1857                 compose_destroy(compose);
1858
1859                 return NULL;
1860         }
1861
1862         compose->redirect_filename = filename;
1863
1864         /* Set save folder */
1865         item = msginfo->folder;
1866         if (item && item->prefs && item->prefs->save_copy_to_folder) {
1867                 gchar *folderidentifier;
1868
1869                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), prefs_common.savemsg);
1870                 folderidentifier = folder_item_get_identifier(item);
1871                 gtk_entry_set_text(GTK_ENTRY(compose->savemsg_entry), folderidentifier);
1872                 g_free(folderidentifier);
1873         }
1874
1875         compose_attach_parts(compose, msginfo);
1876
1877         if (msginfo->subject)
1878                 gtk_entry_set_text(GTK_ENTRY(compose->subject_entry),
1879                                    msginfo->subject);
1880         gtk_editable_set_editable(GTK_EDITABLE(compose->subject_entry), FALSE);
1881
1882         compose_quote_fmt(compose, msginfo, "%M", NULL, NULL, FALSE);
1883         quote_fmt_reset_vartable();
1884         gtk_text_view_set_editable(GTK_TEXT_VIEW(compose->text), FALSE);
1885
1886         compose_colorize_signature(compose);
1887
1888         ifactory = gtk_item_factory_from_widget(compose->popupmenu);
1889         menu_set_sensitive(ifactory, "/Add...", FALSE);
1890         menu_set_sensitive(ifactory, "/Remove", FALSE);
1891         menu_set_sensitive(ifactory, "/Properties...", FALSE);
1892
1893         ifactory = gtk_item_factory_from_widget(compose->menubar);
1894         menu_set_sensitive(ifactory, "/Message/Save", FALSE);
1895         menu_set_sensitive(ifactory, "/Message/Insert file", FALSE);
1896         menu_set_sensitive(ifactory, "/Message/Attach file", FALSE);
1897         menu_set_sensitive(ifactory, "/Message/Insert signature", FALSE);
1898         menu_set_sensitive(ifactory, "/Edit", FALSE);
1899         menu_set_sensitive(ifactory, "/Options", FALSE);
1900         menu_set_sensitive(ifactory, "/Tools/Show ruler", FALSE);
1901         menu_set_sensitive(ifactory, "/Tools/Actions", FALSE);
1902
1903         if (compose->toolbar->draft_btn)
1904                 gtk_widget_set_sensitive(compose->toolbar->draft_btn, FALSE);
1905         if (compose->toolbar->insert_btn)
1906                 gtk_widget_set_sensitive(compose->toolbar->insert_btn, FALSE);
1907         if (compose->toolbar->attach_btn)
1908                 gtk_widget_set_sensitive(compose->toolbar->attach_btn, FALSE);
1909         if (compose->toolbar->sig_btn)
1910                 gtk_widget_set_sensitive(compose->toolbar->sig_btn, FALSE);
1911         if (compose->toolbar->exteditor_btn)
1912                 gtk_widget_set_sensitive(compose->toolbar->exteditor_btn, FALSE);
1913         if (compose->toolbar->linewrap_current_btn)
1914                 gtk_widget_set_sensitive(compose->toolbar->linewrap_current_btn, FALSE);
1915         if (compose->toolbar->linewrap_all_btn)
1916                 gtk_widget_set_sensitive(compose->toolbar->linewrap_all_btn, FALSE);
1917
1918         compose->modified = FALSE;
1919         compose_set_title(compose);
1920         compose->updating = FALSE;
1921
1922         if (compose->deferred_destroy) {
1923                 compose_destroy(compose);
1924                 return NULL;
1925         }
1926
1927         return compose;
1928 }
1929
1930 GList *compose_get_compose_list(void)
1931 {
1932         return compose_list;
1933 }
1934
1935 void compose_entry_append(Compose *compose, const gchar *address,
1936                           ComposeEntryType type)
1937 {
1938         gchar *header;
1939         gchar *cur, *begin;
1940         gboolean in_quote = FALSE;
1941         if (!address || *address == '\0') return;
1942
1943         switch (type) {
1944         case COMPOSE_CC:
1945                 header = N_("Cc:");
1946                 break;
1947         case COMPOSE_BCC:
1948                 header = N_("Bcc:");
1949                 break;
1950         case COMPOSE_REPLYTO:
1951                 header = N_("Reply-To:");
1952                 break;
1953         case COMPOSE_NEWSGROUPS:
1954                 header = N_("Newsgroups:");
1955                 break;
1956         case COMPOSE_FOLLOWUPTO:
1957                 header = N_( "Followup-To:");
1958                 break;
1959         case COMPOSE_TO:
1960         default:
1961                 header = N_("To:");
1962                 break;
1963         }
1964         header = prefs_common.trans_hdr ? gettext(header) : header;
1965
1966         cur = begin = (gchar *)address;
1967
1968         /* we separate the line by commas, but not if we're inside a quoted
1969          * string */
1970         while (*cur != '\0') {
1971                 if (*cur == '"')
1972                         in_quote = !in_quote;
1973                 if (*cur == ',' && !in_quote) {
1974                         gchar *tmp = g_strdup(begin);
1975                         gchar *o_tmp = tmp;
1976                         tmp[cur-begin]='\0';
1977                         cur++;
1978                         begin = cur;
1979                         while (*tmp == ' ' || *tmp == '\t')
1980                                 tmp++;
1981                         compose_add_header_entry(compose, header, tmp);
1982                         g_free(o_tmp);
1983                         continue;
1984                 }
1985                 cur++;
1986         }
1987         if (begin < cur) {
1988                 gchar *tmp = g_strdup(begin);
1989                 gchar *o_tmp = tmp;
1990                 tmp[cur-begin]='\0';
1991                 cur++;
1992                 begin = cur;
1993                 while (*tmp == ' ' || *tmp == '\t')
1994                         tmp++;
1995                 compose_add_header_entry(compose, header, tmp);
1996                 g_free(o_tmp);
1997         }
1998 }
1999
2000 void compose_entry_mark_default_to(Compose *compose, const gchar *mailto)
2001 {
2002         static GdkColor yellow;
2003         static GdkColor black;
2004         static gboolean yellow_initialised = FALSE;
2005         GSList *h_list;
2006         GtkEntry *entry;
2007
2008         if (!yellow_initialised) {
2009                 gdk_color_parse("#f5f6be", &yellow);
2010                 gdk_color_parse("#000000", &black);
2011                 yellow_initialised = gdk_colormap_alloc_color(
2012                         gdk_colormap_get_system(), &yellow, FALSE, TRUE);
2013                 yellow_initialised &= gdk_colormap_alloc_color(
2014                         gdk_colormap_get_system(), &black, FALSE, TRUE);
2015         }
2016
2017         for (h_list = compose->header_list; h_list != NULL; h_list = h_list->next) {
2018                 entry = GTK_ENTRY(((ComposeHeaderEntry *)h_list->data)->entry);
2019                 if (gtk_entry_get_text(entry) &&
2020                     !g_utf8_collate(gtk_entry_get_text(entry), mailto)) {
2021                         if (yellow_initialised) {
2022                                 gtk_widget_modify_base(
2023                                         GTK_WIDGET(((ComposeHeaderEntry *)h_list->data)->entry),
2024                                         GTK_STATE_NORMAL, &yellow);
2025                                 gtk_widget_modify_text(
2026                                         GTK_WIDGET(((ComposeHeaderEntry *)h_list->data)->entry),
2027                                         GTK_STATE_NORMAL, &black);
2028                         }
2029                 }
2030         }
2031 }
2032
2033 void compose_toolbar_cb(gint action, gpointer data)
2034 {
2035         ToolbarItem *toolbar_item = (ToolbarItem*)data;
2036         Compose *compose = (Compose*)toolbar_item->parent;
2037
2038         g_return_if_fail(compose != NULL);
2039
2040         switch(action) {
2041         case A_SEND:
2042                 compose_send_cb(compose, 0, NULL);
2043                 break;
2044         case A_SENDL:
2045                 compose_send_later_cb(compose, 0, NULL);
2046                 break;
2047         case A_DRAFT:
2048                 compose_draft_cb(compose, COMPOSE_QUIT_EDITING, NULL);
2049                 break;
2050         case A_INSERT:
2051                 compose_insert_file_cb(compose, 0, NULL);
2052                 break;
2053         case A_ATTACH:
2054                 compose_attach_cb(compose, 0, NULL);
2055                 break;
2056         case A_SIG:
2057                 compose_insert_sig(compose, FALSE);
2058                 break;
2059         case A_EXTEDITOR:
2060                 compose_ext_editor_cb(compose, 0, NULL);
2061                 break;
2062         case A_LINEWRAP_CURRENT:
2063                 compose_beautify_paragraph(compose, NULL, TRUE);
2064                 break;
2065         case A_LINEWRAP_ALL:
2066                 compose_wrap_all_full(compose, TRUE);
2067                 break;
2068         case A_ADDRBOOK:
2069                 compose_address_cb(compose, 0, NULL);
2070                 break;
2071 #ifdef USE_ASPELL
2072         case A_CHECK_SPELLING:
2073                 compose_check_all(compose);
2074                 break;
2075 #endif
2076         default:
2077                 break;
2078         }
2079 }
2080
2081 static void compose_entries_set(Compose *compose, const gchar *mailto)
2082 {
2083         gchar *to = NULL;
2084         gchar *cc = NULL;
2085         gchar *subject = NULL;
2086         gchar *body = NULL;
2087         gchar *temp = NULL;
2088         guint  len = 0;
2089
2090         scan_mailto_url(mailto, &to, &cc, NULL, &subject, &body);
2091
2092         if (to)
2093                 compose_entry_append(compose, to, COMPOSE_TO);
2094         if (cc)
2095                 compose_entry_append(compose, cc, COMPOSE_CC);
2096         if (subject) {
2097                 if (!g_utf8_validate (subject, -1, NULL)) {
2098                         temp = g_locale_to_utf8 (subject, -1, NULL, &len, NULL);
2099                         gtk_entry_set_text(GTK_ENTRY(compose->subject_entry), temp);
2100                         g_free(temp);
2101                 } else {
2102                         gtk_entry_set_text(GTK_ENTRY(compose->subject_entry), subject);
2103                 }
2104         }
2105         if (body) {
2106                 GtkTextView *text = GTK_TEXT_VIEW(compose->text);
2107                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2108                 GtkTextMark *mark;
2109                 GtkTextIter iter;
2110                 gboolean prev_autowrap = compose->autowrap;
2111
2112                 compose->autowrap = FALSE;
2113
2114                 mark = gtk_text_buffer_get_insert(buffer);
2115                 gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
2116
2117                 if (!g_utf8_validate (body, -1, NULL)) {
2118                         temp = g_locale_to_utf8 (body, -1, NULL, &len, NULL);
2119                         gtk_text_buffer_insert(buffer, &iter, temp, -1);
2120                         g_free(temp);
2121                 } else {
2122                         gtk_text_buffer_insert(buffer, &iter, body, -1);
2123                 }
2124                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
2125
2126                 compose->autowrap = prev_autowrap;
2127                 if (compose->autowrap)
2128                         compose_wrap_all(compose);
2129         }
2130
2131         g_free(to);
2132         g_free(cc);
2133         g_free(subject);
2134         g_free(body);
2135 }
2136
2137 static gint compose_parse_header(Compose *compose, MsgInfo *msginfo)
2138 {
2139         static HeaderEntry hentry[] = {{"Reply-To:",    NULL, TRUE},
2140                                        {"Cc:",          NULL, TRUE},
2141                                        {"References:",  NULL, FALSE},
2142                                        {"Bcc:",         NULL, TRUE},
2143                                        {"Newsgroups:",  NULL, TRUE},
2144                                        {"Followup-To:", NULL, TRUE},
2145                                        {"List-Post:",   NULL, FALSE},
2146                                        {"X-Priority:",  NULL, FALSE},
2147                                        {NULL,           NULL, FALSE}};
2148
2149         enum
2150         {
2151                 H_REPLY_TO      = 0,
2152                 H_CC            = 1,
2153                 H_REFERENCES    = 2,
2154                 H_BCC           = 3,
2155                 H_NEWSGROUPS    = 4,
2156                 H_FOLLOWUP_TO   = 5,
2157                 H_LIST_POST     = 6,
2158                 H_X_PRIORITY    = 7
2159         };
2160
2161         FILE *fp;
2162
2163         g_return_val_if_fail(msginfo != NULL, -1);
2164
2165         if ((fp = procmsg_open_message(msginfo)) == NULL) return -1;
2166         procheader_get_header_fields(fp, hentry);
2167         fclose(fp);
2168
2169         if (hentry[H_REPLY_TO].body != NULL) {
2170                 if (hentry[H_REPLY_TO].body[0] != '\0') {
2171                         compose->replyto =
2172                                 conv_unmime_header(hentry[H_REPLY_TO].body,
2173                                                    NULL);
2174                 }
2175                 g_free(hentry[H_REPLY_TO].body);
2176                 hentry[H_REPLY_TO].body = NULL;
2177         }
2178         if (hentry[H_CC].body != NULL) {
2179                 compose->cc = conv_unmime_header(hentry[H_CC].body, NULL);
2180                 g_free(hentry[H_CC].body);
2181                 hentry[H_CC].body = NULL;
2182         }
2183         if (hentry[H_REFERENCES].body != NULL) {
2184                 if (compose->mode == COMPOSE_REEDIT)
2185                         compose->references = hentry[H_REFERENCES].body;
2186                 else {
2187                         compose->references = compose_parse_references
2188                                 (hentry[H_REFERENCES].body, msginfo->msgid);
2189                         g_free(hentry[H_REFERENCES].body);
2190                 }
2191                 hentry[H_REFERENCES].body = NULL;
2192         }
2193         if (hentry[H_BCC].body != NULL) {
2194                 if (compose->mode == COMPOSE_REEDIT)
2195                         compose->bcc =
2196                                 conv_unmime_header(hentry[H_BCC].body, NULL);
2197                 g_free(hentry[H_BCC].body);
2198                 hentry[H_BCC].body = NULL;
2199         }
2200         if (hentry[H_NEWSGROUPS].body != NULL) {
2201                 compose->newsgroups = hentry[H_NEWSGROUPS].body;
2202                 hentry[H_NEWSGROUPS].body = NULL;
2203         }
2204         if (hentry[H_FOLLOWUP_TO].body != NULL) {
2205                 if (hentry[H_FOLLOWUP_TO].body[0] != '\0') {
2206                         compose->followup_to =
2207                                 conv_unmime_header(hentry[H_FOLLOWUP_TO].body,
2208                                                    NULL);
2209                 }
2210                 g_free(hentry[H_FOLLOWUP_TO].body);
2211                 hentry[H_FOLLOWUP_TO].body = NULL;
2212         }
2213         if (hentry[H_LIST_POST].body != NULL) {
2214                 gchar *to = NULL;
2215
2216                 extract_address(hentry[H_LIST_POST].body);
2217                 if (hentry[H_LIST_POST].body[0] != '\0') {
2218                         scan_mailto_url(hentry[H_LIST_POST].body,
2219                                         &to, NULL, NULL, NULL, NULL);
2220                         if (to) {
2221                                 g_free(compose->ml_post);
2222                                 compose->ml_post = to;
2223                         }
2224                 }
2225                 g_free(hentry[H_LIST_POST].body);
2226                 hentry[H_LIST_POST].body = NULL;
2227         }
2228
2229         /* CLAWS - X-Priority */
2230         if (compose->mode == COMPOSE_REEDIT)
2231                 if (hentry[H_X_PRIORITY].body != NULL) {
2232                         gint priority;
2233
2234                         priority = atoi(hentry[H_X_PRIORITY].body);
2235                         g_free(hentry[H_X_PRIORITY].body);
2236
2237                         hentry[H_X_PRIORITY].body = NULL;
2238
2239                         if (priority < PRIORITY_HIGHEST ||
2240                             priority > PRIORITY_LOWEST)
2241                                 priority = PRIORITY_NORMAL;
2242
2243                         compose->priority =  priority;
2244                 }
2245
2246         if (compose->mode == COMPOSE_REEDIT) {
2247                 if (msginfo->inreplyto && *msginfo->inreplyto)
2248                         compose->inreplyto = g_strdup(msginfo->inreplyto);
2249                 return 0;
2250         }
2251
2252         if (msginfo->msgid && *msginfo->msgid)
2253                 compose->inreplyto = g_strdup(msginfo->msgid);
2254
2255         if (!compose->references) {
2256                 if (msginfo->msgid && *msginfo->msgid) {
2257                         if (msginfo->inreplyto && *msginfo->inreplyto)
2258                                 compose->references =
2259                                         g_strdup_printf("<%s>\n\t<%s>",
2260                                                         msginfo->inreplyto,
2261                                                         msginfo->msgid);
2262                         else
2263                                 compose->references =
2264                                         g_strconcat("<", msginfo->msgid, ">",
2265                                                     NULL);
2266                 } else if (msginfo->inreplyto && *msginfo->inreplyto) {
2267                         compose->references =
2268                                 g_strconcat("<", msginfo->inreplyto, ">",
2269                                             NULL);
2270                 }
2271         }
2272
2273         return 0;
2274 }
2275
2276 static gchar *compose_parse_references(const gchar *ref, const gchar *msgid)
2277 {
2278         GSList *ref_id_list, *cur;
2279         GString *new_ref;
2280         gchar *new_ref_str;
2281
2282         ref_id_list = references_list_append(NULL, ref);
2283         if (!ref_id_list) return NULL;
2284         if (msgid && *msgid)
2285                 ref_id_list = g_slist_append(ref_id_list, g_strdup(msgid));
2286
2287         for (;;) {
2288                 gint len = 0;
2289
2290                 for (cur = ref_id_list; cur != NULL; cur = cur->next)
2291                         /* "<" + Message-ID + ">" + CR+LF+TAB */
2292                         len += strlen((gchar *)cur->data) + 5;
2293
2294                 if (len > MAX_REFERENCES_LEN) {
2295                         /* remove second message-ID */
2296                         if (ref_id_list && ref_id_list->next &&
2297                             ref_id_list->next->next) {
2298                                 g_free(ref_id_list->next->data);
2299                                 ref_id_list = g_slist_remove
2300                                         (ref_id_list, ref_id_list->next->data);
2301                         } else {
2302                                 slist_free_strings(ref_id_list);
2303                                 g_slist_free(ref_id_list);
2304                                 return NULL;
2305                         }
2306                 } else
2307                         break;
2308         }
2309
2310         new_ref = g_string_new("");
2311         for (cur = ref_id_list; cur != NULL; cur = cur->next) {
2312                 if (new_ref->len > 0)
2313                         g_string_append(new_ref, "\n\t");
2314                 g_string_append_printf(new_ref, "<%s>", (gchar *)cur->data);
2315         }
2316
2317         slist_free_strings(ref_id_list);
2318         g_slist_free(ref_id_list);
2319
2320         new_ref_str = new_ref->str;
2321         g_string_free(new_ref, FALSE);
2322
2323         return new_ref_str;
2324 }
2325
2326 static gchar *compose_quote_fmt(Compose *compose, MsgInfo *msginfo,
2327                                 const gchar *fmt, const gchar *qmark,
2328                                 const gchar *body, gboolean rewrap)
2329 {
2330         static MsgInfo dummyinfo;
2331         gchar *quote_str = NULL;
2332         gchar *buf;
2333         gboolean prev_autowrap;
2334         const gchar *trimmed_body = body;
2335         gint cursor_pos = -1;
2336         GtkTextView *text = GTK_TEXT_VIEW(compose->text);
2337         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2338         GtkTextIter iter;
2339         GtkTextMark *mark;
2340
2341
2342         SIGNAL_BLOCK(buffer);
2343
2344         if (!msginfo)
2345                 msginfo = &dummyinfo;
2346
2347         if (qmark != NULL) {
2348                 quote_fmt_init(msginfo, NULL, NULL, FALSE);
2349                 quote_fmt_scan_string(qmark);
2350                 quote_fmt_parse();
2351
2352                 buf = quote_fmt_get_buffer();
2353                 if (buf == NULL)
2354                         alertpanel_error(_("Quote mark format error."));
2355                 else
2356                         Xstrdup_a(quote_str, buf, goto error)
2357         }
2358
2359         if (fmt && *fmt != '\0') {
2360                 while (trimmed_body && strlen(trimmed_body) > 1
2361                         && trimmed_body[0]=='\n')
2362                         *trimmed_body++;
2363
2364                 quote_fmt_init(msginfo, quote_str, trimmed_body, FALSE);
2365                 quote_fmt_scan_string(fmt);
2366                 quote_fmt_parse();
2367
2368                 buf = quote_fmt_get_buffer();
2369                 if (buf == NULL) {
2370                         alertpanel_error(_("Message reply/forward format error."));
2371                         goto error;
2372                 }
2373         } else
2374                 buf = "";
2375
2376         prev_autowrap = compose->autowrap;
2377         compose->autowrap = FALSE;
2378
2379         mark = gtk_text_buffer_get_insert(buffer);
2380         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
2381         if (g_utf8_validate(buf, -1, NULL)) {
2382                 gtk_text_buffer_insert(buffer, &iter, buf, -1);
2383         } else {
2384                 gchar *tmpout = NULL;
2385                 tmpout = conv_codeset_strdup
2386                         (buf, conv_get_locale_charset_str_no_utf8(),
2387                          CS_INTERNAL);
2388                 if (!tmpout || !g_utf8_validate(tmpout, -1, NULL)) {
2389                         g_free(tmpout);
2390                         tmpout = g_malloc(strlen(buf)*2+1);
2391                         conv_localetodisp(tmpout, strlen(buf)*2+1, buf);
2392                 }
2393                 gtk_text_buffer_insert(buffer, &iter, tmpout, -1);
2394                 g_free(tmpout);
2395         }
2396
2397         cursor_pos = quote_fmt_get_cursor_pos();
2398         compose->set_cursor_pos = cursor_pos;
2399         if (cursor_pos == -1) {
2400                 cursor_pos = 0;
2401         }
2402         gtk_text_buffer_get_start_iter(buffer, &iter);
2403         gtk_text_buffer_get_iter_at_offset(buffer, &iter, cursor_pos);
2404         gtk_text_buffer_place_cursor(buffer, &iter);
2405
2406         compose->autowrap = prev_autowrap;
2407         if (compose->autowrap && rewrap)
2408                 compose_wrap_all(compose);
2409
2410         goto ok;
2411
2412 error:
2413         buf = NULL;
2414 ok:
2415         SIGNAL_UNBLOCK(buffer);
2416
2417
2418         return buf;
2419 }
2420
2421 /* if ml_post is of type addr@host and from is of type
2422  * addr-anything@host, return TRUE
2423  */
2424 static gboolean is_subscription(const gchar *ml_post, const gchar *from)
2425 {
2426         gchar *left_ml = NULL;
2427         gchar *right_ml = NULL;
2428         gchar *left_from = NULL;
2429         gchar *right_from = NULL;
2430         gboolean result = FALSE;
2431
2432         if (!ml_post || !from)
2433                 return FALSE;
2434
2435         left_ml = g_strdup(ml_post);
2436         if (strstr(left_ml, "@")) {
2437                 right_ml = strstr(left_ml, "@")+1;
2438                 *(strstr(left_ml, "@")) = '\0';
2439         }
2440
2441         left_from = g_strdup(from);
2442         if (strstr(left_from, "@")) {
2443                 right_from = strstr(left_from, "@")+1;
2444                 *(strstr(left_from, "@")) = '\0';
2445         }
2446
2447         if (left_ml && left_from && right_ml && right_from
2448         &&  !strncmp(left_from, left_ml, strlen(left_ml))
2449         &&  !strcmp(right_from, right_ml)) {
2450                 result = TRUE;
2451         }
2452         g_free(left_ml);
2453         g_free(left_from);
2454
2455         return result;
2456 }
2457
2458 static gboolean same_address(const gchar *addr1, const gchar *addr2)
2459 {
2460         gchar *my_addr1, *my_addr2;
2461
2462         if (!addr1 || !addr2)
2463                 return FALSE;
2464
2465         Xstrdup_a(my_addr1, addr1, return FALSE);
2466         Xstrdup_a(my_addr2, addr2, return FALSE);
2467
2468         extract_address(my_addr1);
2469         extract_address(my_addr2);
2470
2471         return !strcmp(my_addr1, my_addr2);
2472 }
2473
2474 static void compose_reply_set_entry(Compose *compose, MsgInfo *msginfo,
2475                                     gboolean to_all, gboolean to_ml,
2476                                     gboolean to_sender,
2477                                     gboolean followup_and_reply_to)
2478 {
2479         GSList *cc_list = NULL;
2480         GSList *cur;
2481         gchar *from = NULL;
2482         gchar *replyto = NULL;
2483         GHashTable *to_table;
2484
2485         gboolean reply_to_ml = FALSE;
2486         gboolean default_reply_to = FALSE;
2487
2488         g_return_if_fail(compose->account != NULL);
2489         g_return_if_fail(msginfo != NULL);
2490
2491         reply_to_ml = to_ml && compose->ml_post;
2492
2493         default_reply_to = msginfo->folder &&
2494                 msginfo->folder->prefs->enable_default_reply_to;
2495
2496         if (compose->account->protocol != A_NNTP) {
2497                 if (reply_to_ml && !default_reply_to) {
2498
2499                         gboolean is_subscr = is_subscription(compose->ml_post,
2500                                                              msginfo->from);
2501                         if (!is_subscr) {
2502                                 /* normal answer to ml post with a reply-to */
2503                                 compose_entry_append(compose,
2504                                            compose->ml_post,
2505                                            COMPOSE_TO);
2506                                 if (compose->replyto
2507                                 &&  !same_address(compose->ml_post, compose->replyto))
2508                                         compose_entry_append(compose,
2509                                                 compose->replyto,
2510                                                 COMPOSE_CC);
2511                         } else {
2512                                 /* answer to subscription confirmation */
2513                                 if (compose->replyto)
2514                                         compose_entry_append(compose,
2515                                                 compose->replyto,
2516                                                 COMPOSE_TO);
2517                                 else if (msginfo->from)
2518                                         compose_entry_append(compose,
2519                                                 msginfo->from,
2520                                                 COMPOSE_TO);
2521                         }
2522                 }
2523                 else if (!(to_all || to_sender) && default_reply_to) {
2524                         compose_entry_append(compose,
2525                             msginfo->folder->prefs->default_reply_to,
2526                             COMPOSE_TO);
2527                         compose_entry_mark_default_to(compose,
2528                                 msginfo->folder->prefs->default_reply_to);
2529                 } else {
2530                         gchar *tmp1 = NULL;
2531                         if (!msginfo->from)
2532                                 return;
2533                         Xstrdup_a(tmp1, msginfo->from, return);
2534                         extract_address(tmp1);
2535                         if (to_all || to_sender ||
2536                             !account_find_from_address(tmp1))
2537                                 compose_entry_append(compose,
2538                                  (compose->replyto && !to_sender)
2539                                           ? compose->replyto :
2540                                           msginfo->from ? msginfo->from : "",
2541                                           COMPOSE_TO);
2542                         else if (!to_all && !to_sender) {
2543                                 /* reply to the last list of recipients */
2544                                 compose_entry_append(compose,
2545                                           msginfo->to ? msginfo->to : "",
2546                                           COMPOSE_TO);
2547                                 compose_entry_append(compose,
2548                                           msginfo->cc ? msginfo->cc : "",
2549                                           COMPOSE_CC);
2550                         }
2551                 }
2552         } else {
2553                 if (to_sender || (compose->followup_to &&
2554                         !strncmp(compose->followup_to, "poster", 6)))
2555                         compose_entry_append
2556                                 (compose,
2557                                  (compose->replyto ? compose->replyto :
2558                                         msginfo->from ? msginfo->from : ""),
2559                                  COMPOSE_TO);
2560
2561                 else if (followup_and_reply_to || to_all) {
2562                         compose_entry_append
2563                                 (compose,
2564                                  (compose->replyto ? compose->replyto :
2565                                  msginfo->from ? msginfo->from : ""),
2566                                  COMPOSE_TO);
2567
2568                         compose_entry_append
2569                                 (compose,
2570                                  compose->followup_to ? compose->followup_to :
2571                                  compose->newsgroups ? compose->newsgroups : "",
2572                                  COMPOSE_NEWSGROUPS);
2573                 }
2574                 else
2575                         compose_entry_append
2576                                 (compose,
2577                                  compose->followup_to ? compose->followup_to :
2578                                  compose->newsgroups ? compose->newsgroups : "",
2579                                  COMPOSE_NEWSGROUPS);
2580         }
2581
2582         if (msginfo->subject && *msginfo->subject) {
2583                 gchar *buf, *buf2;
2584                 gchar *p;
2585
2586                 buf = p = g_strdup(msginfo->subject);
2587                 p += subject_get_prefix_length(p);
2588                 memmove(buf, p, strlen(p) + 1);
2589
2590                 buf2 = g_strdup_printf("Re: %s", buf);
2591                 gtk_entry_set_text(GTK_ENTRY(compose->subject_entry), buf2);
2592
2593                 g_free(buf2);
2594                 g_free(buf);
2595         } else
2596                 gtk_entry_set_text(GTK_ENTRY(compose->subject_entry), "Re: ");
2597
2598         if (to_ml && compose->ml_post) return;
2599         if (!to_all || compose->account->protocol == A_NNTP) return;
2600
2601         if (compose->replyto) {
2602                 Xstrdup_a(replyto, compose->replyto, return);
2603                 extract_address(replyto);
2604         }
2605         if (msginfo->from) {
2606                 Xstrdup_a(from, msginfo->from, return);
2607                 extract_address(from);
2608         }
2609
2610         if (replyto && from)
2611                 cc_list = address_list_append_with_comments(cc_list, from);
2612         if (to_all && msginfo->folder &&
2613             msginfo->folder->prefs->enable_default_reply_to)
2614                 cc_list = address_list_append_with_comments(cc_list,
2615                                 msginfo->folder->prefs->default_reply_to);
2616         cc_list = address_list_append_with_comments(cc_list, msginfo->to);
2617         cc_list = address_list_append_with_comments(cc_list, compose->cc);
2618
2619         to_table = g_hash_table_new(g_str_hash, g_str_equal);
2620         if (replyto)
2621                 g_hash_table_insert(to_table, g_strdup(replyto), GINT_TO_POINTER(1));
2622         if (compose->account)
2623                 g_hash_table_insert(to_table, g_strdup(compose->account->address),
2624                                     GINT_TO_POINTER(1));
2625
2626         /* remove address on To: and that of current account */
2627         for (cur = cc_list; cur != NULL; ) {
2628                 GSList *next = cur->next;
2629                 gchar *addr;
2630
2631                 addr = g_strdup(cur->data);
2632                 extract_address(addr);
2633
2634                 if (GPOINTER_TO_INT(g_hash_table_lookup(to_table, addr)) == 1)
2635                         cc_list = g_slist_remove(cc_list, cur->data);
2636                 else
2637                         g_hash_table_insert(to_table, addr, GINT_TO_POINTER(1));
2638
2639                 cur = next;
2640         }
2641         hash_free_strings(to_table);
2642         g_hash_table_destroy(to_table);
2643
2644         if (cc_list) {
2645                 for (cur = cc_list; cur != NULL; cur = cur->next)
2646                         compose_entry_append(compose, (gchar *)cur->data,
2647                                              COMPOSE_CC);
2648                 slist_free_strings(cc_list);
2649                 g_slist_free(cc_list);
2650         }
2651
2652 }
2653
2654 #define SET_ENTRY(entry, str) \
2655 { \
2656         if (str && *str) \
2657                 gtk_entry_set_text(GTK_ENTRY(compose->entry), str); \
2658 }
2659
2660 #define SET_ADDRESS(type, str) \
2661 { \
2662         if (str && *str) \
2663                 compose_entry_append(compose, str, type); \
2664 }
2665
2666 static void compose_reedit_set_entry(Compose *compose, MsgInfo *msginfo)
2667 {
2668         g_return_if_fail(msginfo != NULL);
2669
2670         SET_ENTRY(subject_entry, msginfo->subject);
2671         SET_ENTRY(from_name, msginfo->from);
2672         SET_ADDRESS(COMPOSE_TO, msginfo->to);
2673         SET_ADDRESS(COMPOSE_CC, compose->cc);
2674         SET_ADDRESS(COMPOSE_BCC, compose->bcc);
2675         SET_ADDRESS(COMPOSE_REPLYTO, compose->replyto);
2676         SET_ADDRESS(COMPOSE_NEWSGROUPS, compose->newsgroups);
2677         SET_ADDRESS(COMPOSE_FOLLOWUPTO, compose->followup_to);
2678
2679         compose_update_priority_menu_item(compose);
2680         compose_update_privacy_system_menu_item(compose, FALSE);
2681         compose_show_first_last_header(compose, TRUE);
2682 }
2683
2684 #undef SET_ENTRY
2685 #undef SET_ADDRESS
2686
2687 static void compose_insert_sig(Compose *compose, gboolean replace)
2688 {
2689         GtkTextView *text = GTK_TEXT_VIEW(compose->text);
2690         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2691         GtkTextMark *mark;
2692         GtkTextIter iter, iter_end;
2693         gint cur_pos;
2694         gchar *search = NULL;
2695         gboolean prev_autowrap;
2696         gboolean found = FALSE, shift = FALSE;
2697
2698
2699         g_return_if_fail(compose->account != NULL);
2700
2701         prev_autowrap = compose->autowrap;
2702         compose->autowrap = FALSE;
2703
2704         g_signal_handlers_block_by_func(G_OBJECT(buffer),
2705                                         G_CALLBACK(compose_changed_cb),
2706                                         compose);
2707
2708         mark = gtk_text_buffer_get_insert(buffer);
2709         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
2710         cur_pos = gtk_text_iter_get_offset (&iter);
2711
2712         gtk_text_buffer_get_end_iter(buffer, &iter);
2713
2714         search = compose->sig_str;
2715 again:
2716         if (replace && search) {
2717                 GtkTextIter first_iter, start_iter, end_iter;
2718
2719                 gtk_text_buffer_get_start_iter(buffer, &first_iter);
2720
2721                 if (compose->sig_str[0] == '\0')
2722                         found = FALSE;
2723                 else
2724                         found = gtk_text_iter_forward_search(&first_iter,
2725                                                              search,
2726                                                              GTK_TEXT_SEARCH_TEXT_ONLY,
2727                                                              &start_iter, &end_iter,
2728                                                              NULL);
2729
2730                 if (found) {
2731                         gtk_text_buffer_delete(buffer, &start_iter, &end_iter);
2732                         iter = start_iter;
2733                 }
2734         }
2735         if (replace && !found && search && strlen(search) > 2
2736         &&  search[0] == '\n' && search[1] == '\n') {
2737                 search ++;
2738                 shift = TRUE;
2739                 goto again;
2740         }
2741
2742         g_free(compose->sig_str);
2743         compose->sig_str = compose_get_signature_str(compose);
2744         if (!compose->sig_str || (replace && !compose->account->auto_sig))
2745                 compose->sig_str = g_strdup("");
2746
2747         cur_pos = gtk_text_iter_get_offset(&iter);
2748         if (shift && found)
2749                 gtk_text_buffer_insert(buffer, &iter, compose->sig_str + 1, -1);
2750         else
2751                 gtk_text_buffer_insert(buffer, &iter, compose->sig_str, -1);
2752         /* skip \n\n */
2753         gtk_text_buffer_get_iter_at_offset(buffer, &iter, cur_pos);
2754         gtk_text_iter_forward_char(&iter);
2755         gtk_text_iter_forward_char(&iter);
2756         gtk_text_buffer_get_end_iter(buffer, &iter_end);
2757         gtk_text_buffer_apply_tag_by_name(buffer,"signature",&iter, &iter_end);
2758
2759         if (cur_pos > gtk_text_buffer_get_char_count (buffer))
2760                 cur_pos = gtk_text_buffer_get_char_count (buffer);
2761
2762         /* put the cursor where it should be
2763          * either where the quote_fmt says, either before the signature */
2764         if (compose->set_cursor_pos < 0)
2765                 gtk_text_buffer_get_iter_at_offset(buffer, &iter, cur_pos);
2766         else
2767                 gtk_text_buffer_get_iter_at_offset(buffer, &iter,
2768                         compose->set_cursor_pos);
2769
2770         gtk_text_buffer_place_cursor(buffer, &iter);
2771         g_signal_handlers_unblock_by_func(G_OBJECT(buffer),
2772                                         G_CALLBACK(compose_changed_cb),
2773                                         compose);
2774
2775         compose->autowrap = prev_autowrap;
2776         if (compose->autowrap)
2777                 compose_wrap_all(compose);
2778 }
2779
2780 static gchar *compose_get_signature_str(Compose *compose)
2781 {
2782         gchar *sig_body = NULL;
2783         gchar *sig_str = NULL;
2784         gchar *utf8_sig_str = NULL;
2785
2786         g_return_val_if_fail(compose->account != NULL, NULL);
2787
2788         if (!compose->account->sig_path)
2789                 return NULL;
2790
2791         if (compose->account->sig_type == SIG_FILE) {
2792                 if (!is_file_or_fifo_exist(compose->account->sig_path)) {
2793                         g_warning("can't open signature file: %s\n",
2794                                   compose->account->sig_path);
2795                         return NULL;
2796                 }
2797         }
2798
2799         if (compose->account->sig_type == SIG_COMMAND)
2800                 sig_body = get_command_output(compose->account->sig_path);
2801         else {
2802                 gchar *tmp;
2803
2804                 tmp = file_read_to_str(compose->account->sig_path);
2805                 if (!tmp)
2806                         return NULL;
2807                 sig_body = normalize_newlines(tmp);
2808                 g_free(tmp);
2809         }
2810
2811         if (compose->account->sig_sep) {
2812                 sig_str = g_strconcat("\n\n", compose->account->sig_sep, "\n", sig_body,
2813                                       NULL);
2814                 g_free(sig_body);
2815         } else
2816                 sig_str = g_strconcat("\n\n", sig_body, NULL);
2817
2818         if (sig_str) {
2819                 if (g_utf8_validate(sig_str, -1, NULL) == TRUE)
2820                         utf8_sig_str = sig_str;
2821                 else {
2822                         utf8_sig_str = conv_codeset_strdup
2823                                 (sig_str, conv_get_locale_charset_str_no_utf8(),
2824                                  CS_INTERNAL);
2825                         g_free(sig_str);
2826                 }
2827         }
2828
2829         return utf8_sig_str;
2830 }
2831
2832 static ComposeInsertResult compose_insert_file(Compose *compose, const gchar *file)
2833 {
2834         GtkTextView *text;
2835         GtkTextBuffer *buffer;
2836         GtkTextMark *mark;
2837         GtkTextIter iter;
2838         const gchar *cur_encoding;
2839         gchar buf[BUFFSIZE];
2840         gint len;
2841         FILE *fp;
2842         gboolean prev_autowrap;
2843         gboolean badtxt = FALSE;
2844
2845         g_return_val_if_fail(file != NULL, COMPOSE_INSERT_NO_FILE);
2846
2847         if ((fp = g_fopen(file, "rb")) == NULL) {
2848                 FILE_OP_ERROR(file, "fopen");
2849                 return COMPOSE_INSERT_READ_ERROR;
2850         }
2851
2852         prev_autowrap = compose->autowrap;
2853         compose->autowrap = FALSE;
2854
2855         text = GTK_TEXT_VIEW(compose->text);
2856         buffer = gtk_text_view_get_buffer(text);
2857         mark = gtk_text_buffer_get_insert(buffer);
2858         gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
2859
2860         g_signal_handlers_block_by_func(G_OBJECT(buffer),
2861                                         G_CALLBACK(text_inserted),
2862                                         compose);
2863
2864         cur_encoding = conv_get_locale_charset_str_no_utf8();
2865
2866         while (fgets(buf, sizeof(buf), fp) != NULL) {
2867                 gchar *str;
2868
2869                 if (g_utf8_validate(buf, -1, NULL) == TRUE)
2870                         str = g_strdup(buf);
2871                 else
2872                         str = conv_codeset_strdup
2873                                 (buf, cur_encoding, CS_INTERNAL);
2874                 if (!str) continue;
2875
2876                 /* strip <CR> if DOS/Windows file,
2877                    replace <CR> with <LF> if Macintosh file. */
2878                 strcrchomp(str);
2879                 len = strlen(str);
2880                 if (len > 0 && str[len - 1] != '\n') {
2881                         while (--len >= 0)
2882                                 if (str[len] == '\r') str[len] = '\n';
2883                 }
2884
2885                 gtk_text_buffer_insert(buffer, &iter, str, -1);
2886                 g_free(str);
2887         }
2888
2889         g_signal_handlers_unblock_by_func(G_OBJECT(buffer),
2890                                           G_CALLBACK(text_inserted),
2891                                           compose);
2892         compose->autowrap = prev_autowrap;
2893         if (compose->autowrap)
2894                 compose_wrap_all(compose);
2895
2896         fclose(fp);
2897
2898         if (badtxt)
2899                 return COMPOSE_INSERT_INVALID_CHARACTER;
2900         else
2901                 return COMPOSE_INSERT_SUCCESS;
2902 }
2903
2904 static void compose_attach_append(Compose *compose, const gchar *file,
2905                                   const gchar *filename,
2906                                   const gchar *content_type)
2907 {
2908         AttachInfo *ainfo;
2909         GtkTreeIter iter;
2910         FILE *fp;
2911         off_t size;
2912         GAuto *auto_ainfo;
2913         gchar *size_text;
2914         GtkListStore *store;
2915         gchar *name;
2916         gboolean has_binary = FALSE;
2917
2918         if (!is_file_exist(file)) {
2919                 g_warning("File %s doesn't exist\n", filename);
2920                 return;
2921         }
2922         if ((size = get_file_size(file)) < 0) {
2923                 g_warning("Can't get file size of %s\n", filename);
2924                 return;
2925         }
2926         if (size == 0) {
2927                 alertpanel_notice(_("File %s is empty."), filename);
2928                 return;
2929         }
2930         if ((fp = g_fopen(file, "rb")) == NULL) {
2931                 alertpanel_error(_("Can't read %s."), filename);
2932                 return;
2933         }
2934         fclose(fp);
2935
2936         ainfo = g_new0(AttachInfo, 1);
2937         auto_ainfo = g_auto_pointer_new_with_free
2938                         (ainfo, (GFreeFunc) compose_attach_info_free);
2939         ainfo->file = g_strdup(file);
2940
2941         if (content_type) {
2942                 ainfo->content_type = g_strdup(content_type);
2943                 if (!g_ascii_strcasecmp(content_type, "message/rfc822")) {
2944                         MsgInfo *msginfo;
2945                         MsgFlags flags = {0, 0};
2946
2947                         if (procmime_get_encoding_for_text_file(file, &has_binary) == ENC_7BIT)
2948                                 ainfo->encoding = ENC_7BIT;
2949                         else
2950                                 ainfo->encoding = ENC_8BIT;
2951
2952                         msginfo = procheader_parse_file(file, flags, FALSE, FALSE);
2953                         if (msginfo && msginfo->subject)
2954                                 name = g_strdup(msginfo->subject);
2955                         else
2956                                 name = g_path_get_basename(filename ? filename : file);
2957
2958                         ainfo->name = g_strdup_printf(_("Message: %s"), name);
2959
2960                         procmsg_msginfo_free(msginfo);
2961                 } else {
2962                         if (!g_ascii_strncasecmp(content_type, "text", 4))
2963                                 ainfo->encoding = procmime_get_encoding_for_text_file(file, &has_binary);
2964                         else
2965                                 ainfo->encoding = ENC_BASE64;
2966                         name = g_path_get_basename(filename ? filename : file);
2967                         ainfo->name = g_strdup(name);
2968                 }
2969                 g_free(name);
2970         } else {
2971                 ainfo->content_type = procmime_get_mime_type(file);
2972                 if (!ainfo->content_type) {
2973                         ainfo->content_type =
2974                                 g_strdup("application/octet-stream");
2975                         ainfo->encoding = ENC_BASE64;
2976                 } else if (!g_ascii_strncasecmp(ainfo->content_type, "text", 4))
2977                         ainfo->encoding =
2978                                 procmime_get_encoding_for_text_file(file, &has_binary);
2979                 else
2980                         ainfo->encoding = ENC_BASE64;
2981                 name = g_path_get_basename(filename ? filename : file);
2982                 ainfo->name = g_strdup(name);
2983                 g_free(name);
2984         }
2985
2986         if (!strcmp(ainfo->content_type, "unknown") || has_binary) {
2987                 g_free(ainfo->content_type);
2988                 ainfo->content_type = g_strdup("application/octet-stream");
2989         }
2990
2991         ainfo->size = size;
2992         size_text = to_human_readable(size);
2993
2994         store = GTK_LIST_STORE(gtk_tree_view_get_model
2995                         (GTK_TREE_VIEW(compose->attach_clist)));
2996
2997         gtk_list_store_append(store, &iter);
2998         gtk_list_store_set(store, &iter,
2999                            COL_MIMETYPE, ainfo->content_type,
3000                            COL_SIZE, size_text,
3001                            COL_NAME, ainfo->name,
3002                            COL_DATA, ainfo,
3003                            COL_AUTODATA, auto_ainfo,
3004                            -1);
3005
3006         g_auto_pointer_free(auto_ainfo);
3007 }
3008
3009 static void compose_use_signing(Compose *compose, gboolean use_signing)
3010 {
3011         GtkItemFactory *ifactory;
3012         GtkWidget *menuitem = NULL;
3013
3014         compose->use_signing = use_signing;
3015         ifactory = gtk_item_factory_from_widget(compose->menubar);
3016         menuitem = gtk_item_factory_get_item
3017                 (ifactory, "/Options/Sign");
3018         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
3019                                        use_signing);
3020 }
3021
3022 static void compose_use_encryption(Compose *compose, gboolean use_encryption)
3023 {
3024         GtkItemFactory *ifactory;
3025         GtkWidget *menuitem = NULL;
3026
3027         compose->use_encryption = use_encryption;
3028         ifactory = gtk_item_factory_from_widget(compose->menubar);
3029         menuitem = gtk_item_factory_get_item
3030                 (ifactory, "/Options/Encrypt");
3031
3032         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem),
3033                                        use_encryption);
3034 }
3035
3036 #define NEXT_PART_NOT_CHILD(info)  \
3037 {  \
3038         node = info->node;  \
3039         while (node->children)  \
3040                 node = g_node_last_child(node);  \
3041         info = procmime_mimeinfo_next((MimeInfo *)node->data);  \
3042 }
3043
3044 static void compose_attach_parts(Compose *compose, MsgInfo *msginfo)
3045 {
3046         MimeInfo *mimeinfo;
3047         MimeInfo *child;
3048         MimeInfo *firsttext = NULL;
3049         MimeInfo *encrypted = NULL;
3050         GNode    *node;
3051         gchar *outfile;
3052         const gchar *partname = NULL;
3053
3054         mimeinfo = procmime_scan_message(msginfo);
3055         if (!mimeinfo) return;
3056
3057         if (mimeinfo->node->children == NULL) {
3058                 procmime_mimeinfo_free_all(mimeinfo);
3059                 return;
3060         }
3061
3062         /* find first content part */
3063         child = (MimeInfo *) mimeinfo->node->children->data;
3064         while (child && child->node->children && (child->type == MIMETYPE_MULTIPART))
3065                 child = (MimeInfo *)child->node->children->data;
3066
3067         if (child->type == MIMETYPE_TEXT) {
3068                 firsttext = child;
3069                 debug_print("First text part found\n");
3070         } else if (compose->mode == COMPOSE_REEDIT &&
3071                  child->type == MIMETYPE_APPLICATION &&
3072                  !g_ascii_strcasecmp(child->subtype, "pgp-encrypted")) {
3073                 encrypted = (MimeInfo *)child->node->parent->data;
3074         }
3075
3076         child = (MimeInfo *) mimeinfo->node->children->data;
3077         while (child != NULL) {
3078                 if (child == encrypted) {
3079                         /* skip this part of tree */
3080                         NEXT_PART_NOT_CHILD(child);
3081                         continue;
3082                 }
3083
3084                 if (child->type == MIMETYPE_MULTIPART) {
3085                         /* get the actual content */
3086                         child = procmime_mimeinfo_next(child);
3087                         continue;
3088                 }
3089
3090                 if (child == firsttext) {
3091                         child = procmime_mimeinfo_next(child);
3092                         continue;
3093                 }
3094
3095                 outfile = procmime_get_tmp_file_name(child);
3096                 if (procmime_get_part(outfile, child) < 0)
3097                         g_warning("Can't get the part of multipart message.");
3098                 else {
3099                         gchar *content_type;
3100
3101                         content_type = procmime_get_content_type_str(child->type, child->subtype);
3102
3103                         /* if we meet a pgp signature, we don't attach it, but
3104                          * we force signing. */
3105                         if (strcmp(content_type, "application/pgp-signature")) {
3106                                 partname = procmime_mimeinfo_get_parameter(child, "filename");
3107                                 if (partname == NULL)
3108                                         partname = procmime_mimeinfo_get_parameter(child, "name");
3109                                 if (partname == NULL)
3110                                         partname = "";
3111                                 compose_attach_append(compose, outfile,
3112                                                       partname, content_type);
3113                         } else {
3114                                 compose_force_signing(compose, compose->account);
3115                         }
3116                         g_free(content_type);
3117                 }
3118                 g_free(outfile);
3119                 NEXT_PART_NOT_CHILD(child);
3120         }
3121         procmime_mimeinfo_free_all(mimeinfo);
3122 }
3123
3124 #undef NEXT_PART_NOT_CHILD
3125
3126
3127
3128 typedef enum {
3129         WAIT_FOR_INDENT_CHAR,
3130         WAIT_FOR_INDENT_CHAR_OR_SPACE,
3131 } IndentState;
3132
3133 /* return indent length, we allow:
3134    indent characters followed by indent characters or spaces/tabs,
3135    alphabets and numbers immediately followed by indent characters,
3136    and the repeating sequences of the above
3137    If quote ends with multiple spaces, only the first one is included. */
3138 static gchar *compose_get_quote_str(GtkTextBuffer *buffer,
3139                                     const GtkTextIter *start, gint *len)
3140 {
3141         GtkTextIter iter = *start;
3142         gunichar wc;
3143         gchar ch[6];
3144         gint clen;
3145         IndentState state = WAIT_FOR_INDENT_CHAR;
3146         gboolean is_space;
3147         gboolean is_indent;
3148         gint alnum_count = 0;
3149         gint space_count = 0;
3150         gint quote_len = 0;
3151
3152         if (prefs_common.quote_chars == NULL) {
3153                 return 0 ;
3154         }
3155
3156         while (!gtk_text_iter_ends_line(&iter)) {
3157                 wc = gtk_text_iter_get_char(&iter);
3158                 if (g_unichar_iswide(wc))
3159                         break;
3160                 clen = g_unichar_to_utf8(wc, ch);
3161                 if (clen != 1)
3162                         break;
3163
3164                 is_indent = strchr(prefs_common.quote_chars, ch[0]) ? TRUE : FALSE;
3165                 is_space = g_unichar_isspace(wc);
3166
3167                 if (state == WAIT_FOR_INDENT_CHAR) {
3168                         if (!is_indent && !g_unichar_isalnum(wc))
3169                                 break;
3170                         if (is_indent) {
3171                                 quote_len += alnum_count + space_count + 1;
3172                                 alnum_count = space_count = 0;
3173                                 state = WAIT_FOR_INDENT_CHAR_OR_SPACE;
3174                         } else
3175                                 alnum_count++;
3176                 } else if (state == WAIT_FOR_INDENT_CHAR_OR_SPACE) {
3177                         if (!is_indent && !is_space && !g_unichar_isalnum(wc))
3178                                 break;
3179                         if (is_space)
3180                                 space_count++;
3181                         else if (is_indent) {
3182                                 quote_len += alnum_count + space_count + 1;
3183                                 alnum_count = space_count = 0;
3184                         } else {
3185                                 alnum_count++;
3186                                 state = WAIT_FOR_INDENT_CHAR;
3187                         }
3188                 }
3189
3190                 gtk_text_iter_forward_char(&iter);
3191         }
3192
3193         if (quote_len > 0 && space_count > 0)
3194                 quote_len++;
3195
3196         if (len)
3197                 *len = quote_len;
3198
3199         if (quote_len > 0) {
3200                 iter = *start;
3201                 gtk_text_iter_forward_chars(&iter, quote_len);
3202                 return gtk_text_buffer_get_text(buffer, start, &iter, FALSE);
3203         }
3204
3205         return NULL;
3206 }
3207
3208 /* return TRUE if the line is itemized */
3209 static gboolean compose_is_itemized(GtkTextBuffer *buffer,
3210                                     const GtkTextIter *start)
3211 {
3212         GtkTextIter iter = *start;
3213         gunichar wc;
3214         gchar ch[6];
3215         gint clen;
3216
3217         if (gtk_text_iter_ends_line(&iter))
3218                 return FALSE;
3219
3220         while (1) {
3221                 wc = gtk_text_iter_get_char(&iter);
3222                 if (!g_unichar_isspace(wc))
3223                         break;
3224                 gtk_text_iter_forward_char(&iter);
3225                 if (gtk_text_iter_ends_line(&iter))
3226                         return FALSE;
3227         }
3228
3229         clen = g_unichar_to_utf8(wc, ch);
3230         if (clen != 1)
3231                 return FALSE;
3232
3233         if (!strchr("*-+", ch[0]))
3234                 return FALSE;
3235
3236         gtk_text_iter_forward_char(&iter);
3237         if (gtk_text_iter_ends_line(&iter))
3238                 return FALSE;
3239         wc = gtk_text_iter_get_char(&iter);
3240         if (g_unichar_isspace(wc))
3241                 return TRUE;
3242
3243         return FALSE;
3244 }
3245
3246 static gboolean compose_get_line_break_pos(GtkTextBuffer *buffer,
3247                                            const GtkTextIter *start,
3248                                            GtkTextIter *break_pos,
3249                                            gint max_col,
3250                                            gint quote_len)
3251 {
3252         GtkTextIter iter = *start, line_end = *start;
3253         PangoLogAttr *attrs;
3254         gchar *str;
3255         gchar *p;
3256         gint len;
3257         gint i;
3258         gint col = 0;
3259         gint pos = 0;
3260         gboolean can_break = FALSE;
3261         gboolean do_break = FALSE;
3262         gboolean was_white = FALSE;
3263         gboolean prev_dont_break = FALSE;
3264
3265         gtk_text_iter_forward_to_line_end(&line_end);
3266         str = gtk_text_buffer_get_text(buffer, &iter, &line_end, FALSE);
3267         len = g_utf8_strlen(str, -1);
3268         /* g_print("breaking line: %d: %s (len = %d)\n",
3269                 gtk_text_iter_get_line(&iter), str, len); */
3270         attrs = g_new(PangoLogAttr, len + 1);
3271
3272         pango_default_break(str, -1, NULL, attrs, len + 1);
3273
3274         p = str;
3275
3276         /* skip quote and leading spaces */
3277         for (i = 0; *p != '\0' && i < len; i++) {
3278                 gunichar wc;
3279
3280                 wc = g_utf8_get_char(p);
3281                 if (i >= quote_len && !g_unichar_isspace(wc))
3282                         break;
3283                 if (g_unichar_iswide(wc))
3284                         col += 2;
3285                 else if (*p == '\t')
3286                         col += 8;
3287                 else
3288                         col++;
3289                 p = g_utf8_next_char(p);
3290         }
3291
3292         for (; *p != '\0' && i < len; i++) {
3293                 PangoLogAttr *attr = attrs + i;
3294                 gunichar wc;
3295                 gint uri_len;
3296
3297                 if (attr->is_line_break && can_break && was_white && !prev_dont_break)
3298                         pos = i;
3299
3300                 was_white = attr->is_white;
3301
3302                 /* don't wrap URI */
3303                 if ((uri_len = get_uri_len(p)) > 0) {
3304                         col += uri_len;
3305                         if (pos > 0 && col > max_col) {
3306                                 do_break = TRUE;
3307                                 break;
3308                         }
3309                         i += uri_len - 1;
3310                         p += uri_len;
3311                         can_break = TRUE;
3312                         continue;
3313                 }
3314
3315                 wc = g_utf8_get_char(p);
3316                 if (g_unichar_iswide(wc)) {
3317                         col += 2;
3318                         if (prev_dont_break && can_break && attr->is_line_break)
3319                                 pos = i;
3320                 } else if (*p == '\t')
3321                         col += 8;
3322                 else
3323                         col++;
3324                 if (pos > 0 && col > max_col) {
3325                         do_break = TRUE;
3326                         break;
3327                 }
3328
3329                 if (*p == '-' || *p == '/')
3330                         prev_dont_break = TRUE;
3331                 else
3332                         prev_dont_break = FALSE;
3333
3334                 p = g_utf8_next_char(p);
3335                 can_break = TRUE;
3336         }
3337
3338         debug_print("compose_get_line_break_pos(): do_break = %d, pos = %d, col = %d\n", do_break, pos, col);
3339
3340         g_free(attrs);
3341         g_free(str);
3342
3343         *break_pos = *start;
3344         gtk_text_iter_set_line_offset(break_pos, pos);
3345
3346         return do_break;
3347 }
3348
3349 static gboolean compose_join_next_line(Compose *compose,
3350                                        GtkTextBuffer *buffer,
3351                                        GtkTextIter *iter,
3352                                        const gchar *quote_str)
3353 {
3354         GtkTextIter iter_ = *iter, cur, prev, next, end;
3355         PangoLogAttr attrs[3];
3356         gchar *str;
3357         gchar *next_quote_str;
3358         gunichar wc1, wc2;
3359         gint quote_len;
3360         gboolean keep_cursor = FALSE;
3361
3362         if (!gtk_text_iter_forward_line(&iter_) ||
3363             gtk_text_iter_ends_line(&iter_))
3364                 return FALSE;
3365
3366         next_quote_str = compose_get_quote_str(buffer, &iter_, &quote_len);
3367
3368         if ((quote_str || next_quote_str) &&
3369             strcmp2(quote_str, next_quote_str) != 0) {
3370                 g_free(next_quote_str);
3371                 return FALSE;
3372         }
3373         g_free(next_quote_str);
3374
3375         end = iter_;
3376         if (quote_len > 0) {
3377                 gtk_text_iter_forward_chars(&end, quote_len);
3378                 if (gtk_text_iter_ends_line(&end))
3379                         return FALSE;
3380         }
3381
3382         /* don't join itemized lines */
3383         if (compose_is_itemized(buffer, &end))
3384                 return FALSE;
3385
3386         /* don't join signature separator */
3387         if (compose_is_sig_separator(compose, buffer, &iter_))
3388                 return FALSE;
3389
3390         /* delete quote str */
3391         if (quote_len > 0)
3392                 gtk_text_buffer_delete(buffer, &iter_, &end);
3393
3394         /* don't join line breaks put by the user */
3395         prev = cur = iter_;
3396         gtk_text_iter_backward_char(&cur);
3397         if (gtk_text_iter_has_tag(&cur, compose->no_join_tag)) {
3398                 gtk_text_iter_forward_char(&cur);
3399                 *iter = cur;
3400                 return FALSE;
3401         }
3402         gtk_text_iter_forward_char(&cur);
3403         /* delete linebreak and extra spaces */
3404         while (gtk_text_iter_backward_char(&cur)) {
3405                 wc1 = gtk_text_iter_get_char(&cur);
3406                 if (!g_unichar_isspace(wc1))
3407                         break;
3408                 prev = cur;
3409         }
3410         next = cur = iter_;
3411         while (!gtk_text_iter_ends_line(&cur)) {
3412                 wc1 = gtk_text_iter_get_char(&cur);
3413                 if (!g_unichar_isspace(wc1))
3414                         break;
3415                 gtk_text_iter_forward_char(&cur);
3416                 next = cur;
3417         }
3418         if (!gtk_text_iter_equal(&prev, &next)) {
3419                 GtkTextMark *mark;
3420
3421                 mark = gtk_text_buffer_get_insert(buffer);
3422                 gtk_text_buffer_get_iter_at_mark(buffer, &cur, mark);
3423                 if (gtk_text_iter_equal(&prev, &cur))
3424                         keep_cursor = TRUE;
3425                 gtk_text_buffer_delete(buffer, &prev, &next);
3426         }
3427         iter_ = prev;
3428
3429         /* insert space if required */
3430         gtk_text_iter_backward_char(&prev);
3431         wc1 = gtk_text_iter_get_char(&prev);
3432         wc2 = gtk_text_iter_get_char(&next);
3433         gtk_text_iter_forward_char(&next);
3434         str = gtk_text_buffer_get_text(buffer, &prev, &next, FALSE);
3435         pango_default_break(str, -1, NULL, attrs, 3);
3436         if (!attrs[1].is_line_break ||
3437             (!g_unichar_iswide(wc1) || !g_unichar_iswide(wc2))) {
3438                 gtk_text_buffer_insert(buffer, &iter_, " ", 1);
3439                 if (keep_cursor) {
3440                         gtk_text_iter_backward_char(&iter_);
3441                         gtk_text_buffer_place_cursor(buffer, &iter_);
3442                 }
3443         }
3444         g_free(str);
3445
3446         *iter = iter_;
3447         return TRUE;
3448 }
3449
3450 #define ADD_TXT_POS(bp_, ep_, pti_) \
3451         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
3452                 last = last->next; \
3453                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
3454                 last->next = NULL; \
3455         } else { \
3456                 g_warning("alloc error scanning URIs\n"); \
3457         }
3458
3459 static gboolean automatic_break = FALSE;
3460 static void compose_beautify_paragraph(Compose *compose, GtkTextIter *par_iter, gboolean force)
3461 {
3462         GtkTextView *text = GTK_TEXT_VIEW(compose->text);
3463         GtkTextBuffer *buffer;
3464         GtkTextIter iter, break_pos, end_of_line;
3465         gchar *quote_str = NULL;
3466         gint quote_len;
3467         gboolean wrap_quote = prefs_common.linewrap_quote;
3468         gboolean prev_autowrap = compose->autowrap;
3469         gint startq_offset = -1, noq_offset = -1;
3470         gint uri_start = -1, uri_stop = -1;
3471         gint nouri_start = -1, nouri_stop = -1;
3472         gint num_blocks = 0;
3473         gint quotelevel = -1;
3474
3475         compose->autowrap = FALSE;
3476
3477         buffer = gtk_text_view_get_buffer(text);
3478         undo_wrapping(compose->undostruct, TRUE);
3479         if (par_iter) {
3480                 iter = *par_iter;
3481         } else {
3482                 GtkTextMark *mark;
3483                 mark = gtk_text_buffer_get_insert(buffer);
3484                 gtk_text_buffer_get_iter_at_mark(buffer, &iter, mark);
3485         }
3486
3487         /* move to paragraph start */
3488         gtk_text_iter_set_line_offset(&iter, 0);
3489         if (gtk_text_iter_ends_line(&iter)) {
3490                 while (gtk_text_iter_ends_line(&iter) &&
3491                        gtk_text_iter_forward_line(&iter))
3492                         ;
3493         } else {
3494                 while (gtk_text_iter_backward_line(&iter)) {
3495                         if (gtk_text_iter_ends_line(&iter)) {
3496                                 gtk_text_iter_forward_line(&iter);
3497                                 break;
3498                         }
3499                 }
3500         }
3501
3502         /* go until paragraph end (empty line) */
3503
3504         while (!gtk_text_iter_ends_line(&iter)) {
3505                 gchar *scanpos = NULL;
3506                 /* parse table - in order of priority */
3507                 struct table {
3508                         const gchar *needle; /* token */
3509
3510                         /* token search function */
3511                         gchar    *(*search)     (const gchar *haystack,
3512                                                  const gchar *needle);
3513                         /* part parsing function */
3514                         gboolean  (*parse)      (const gchar *start,
3515                                                  const gchar *scanpos,
3516                                                  const gchar **bp_,
3517                                                  const gchar **ep_,
3518                                                  gboolean hdr);
3519                         /* part to URI function */
3520                         gchar    *(*build_uri)  (const gchar *bp,
3521                                                  const gchar *ep);
3522                 };
3523
3524                 static struct table parser[] = {
3525                         {"http://",  strcasestr, get_uri_part,   make_uri_string},
3526                         {"https://", strcasestr, get_uri_part,   make_uri_string},
3527                         {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
3528                         {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
3529                         {"www.",     strcasestr, get_uri_part,   make_http_string},
3530                         {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
3531                         {"@",        strcasestr, get_email_part, make_email_string}
3532                 };
3533                 const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
3534                 gint last_index = PARSE_ELEMS;
3535                 gint  n;
3536                 gchar *o_walk = NULL, *walk = NULL, *bp = NULL, *ep = NULL;
3537                 gint walk_pos;
3538
3539                 if (!prev_autowrap && num_blocks == 0) {
3540                         num_blocks++;
3541                         g_signal_handlers_block_by_func(G_OBJECT(buffer),
3542                                         G_CALLBACK(text_inserted),
3543                                         compose);
3544                 }
3545                 if (gtk_text_iter_has_tag(&iter, compose->no_wrap_tag) && !force)
3546                         goto colorize;
3547
3548                 uri_start = uri_stop = -1;
3549                 quote_len = 0;
3550                 quote_str = compose_get_quote_str(buffer, &iter, &quote_len);
3551
3552                 if (quote_str) {
3553                         if (!wrap_quote) {
3554                                 if (startq_offset == -1) {
3555                                         startq_offset = gtk_text_iter_get_offset(&iter);
3556                                 }
3557                                 goto colorize;
3558                         }
3559                         debug_print("compose_beautify_paragraph(): quote_str = '%s'\n", quote_str);
3560                         if (startq_offset == -1)
3561                                 startq_offset = gtk_text_iter_get_offset(&iter);
3562                         quotelevel = get_quote_level(quote_str, prefs_common.quote_chars);
3563                         if (quotelevel > 2) {
3564                                 /* recycle colors */
3565                                 if (prefs_common.recycle_quote_colors)
3566                                         quotelevel %= 3;
3567                                 else
3568                                         quotelevel = 2;
3569                         }
3570                 } else {
3571                         if (startq_offset == -1)
3572                                 noq_offset = gtk_text_iter_get_offset(&iter);
3573                         quotelevel = -1;
3574                 }
3575
3576                 if (prev_autowrap == FALSE && !force && !wrap_quote) {
3577                         goto colorize;
3578                 }
3579                 if (compose_get_line_break_pos(buffer, &iter, &break_pos,
3580                                                prefs_common.linewrap_len,
3581                                                quote_len)) {
3582                         GtkTextIter prev, next, cur;
3583
3584                         if (prev_autowrap != FALSE || force) {
3585                                 automatic_break = TRUE;
3586                                 gtk_text_buffer_insert(buffer, &break_pos, "\n", 1);
3587                                 automatic_break = FALSE;
3588                         } else if (quote_str && wrap_quote) {
3589                                 automatic_break = TRUE;
3590                                 gtk_text_buffer_insert(buffer, &break_pos, "\n", 1);
3591                                 automatic_break = FALSE;
3592                         } else
3593                                 goto colorize;
3594                         /* remove trailing spaces */
3595                         cur = break_pos;
3596                         gtk_text_iter_backward_char(&cur);
3597                         prev = next = cur;
3598                         while (!gtk_text_iter_starts_line(&cur)) {
3599                                 gunichar wc;
3600
3601                                 gtk_text_iter_backward_char(&cur);
3602                                 wc = gtk_text_iter_get_char(&cur);
3603                                 if (!g_unichar_isspace(wc))
3604                                         break;
3605                                 prev = cur;
3606                         }
3607                         if (!gtk_text_iter_equal(&prev, &next)) {
3608                                 gtk_text_buffer_delete(buffer, &prev, &next);
3609                                 break_pos = next;
3610                                 gtk_text_iter_forward_char(&break_pos);
3611                         }
3612
3613                         if (quote_str)
3614                                 gtk_text_buffer_insert(buffer, &break_pos,
3615                                                        quote_str, -1);
3616
3617                         iter = break_pos;
3618                         compose_join_next_line(compose, buffer, &iter, quote_str);
3619
3620                         /* move iter to current line start */
3621                         gtk_text_iter_set_line_offset(&iter, 0);
3622                         if (quote_str) {
3623                                 g_free(quote_str);
3624                                 quote_str = NULL;
3625                         }
3626                         continue;
3627                 } else {
3628                         /* move iter to next line start */
3629                         iter = break_pos;
3630                 }
3631
3632 colorize:
3633                 if (!prev_autowrap && num_blocks > 0) {
3634                         num_blocks--;
3635                         g_signal_handlers_unblock_by_func(G_OBJECT(buffer),
3636                                         G_CALLBACK(text_inserted),
3637                                         compose);
3638                 }
3639                 end_of_line = iter;
3640                 while (!gtk_text_iter_ends_line(&end_of_line)) {
3641                         gtk_text_iter_forward_char(&end_of_line);
3642                 }
3643                 o_walk = walk = gtk_text_buffer_get_text(buffer, &iter, &end_of_line, FALSE);
3644
3645                 nouri_start = gtk_text_iter_get_offset(&iter);
3646                 nouri_stop = gtk_text_iter_get_offset(&end_of_line);
3647
3648                 walk_pos = gtk_text_iter_get_offset(&iter);
3649                 /* FIXME: this looks phony. scanning for anything in the parse table */
3650                 for (n = 0; n < PARSE_ELEMS; n++) {
3651                         gchar *tmp;
3652
3653                         tmp = parser[n].search(walk, parser[n].needle);
3654                         if (tmp) {
3655                                 if (scanpos == NULL || tmp < scanpos) {
3656                                         scanpos = tmp;
3657                                         last_index = n;
3658                                 }
3659                         }
3660                 }
3661
3662                 bp = ep = 0;
3663                 if (scanpos) {
3664                         /* check if URI can be parsed */
3665                         if (parser[last_index].parse(walk, scanpos, (const gchar **)&bp,
3666                                         (const gchar **)&ep, FALSE)
3667                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
3668                                         walk = ep;
3669                         } else
3670                                 walk = scanpos +
3671                                         strlen(parser[last_index].needle);
3672                 }
3673                 if (bp && ep) {
3674                         uri_start = walk_pos + (bp - o_walk);
3675                         uri_stop  = walk_pos + (ep - o_walk);
3676                 }
3677                 g_free(o_walk);
3678                 o_walk = NULL;
3679                 gtk_text_iter_forward_line(&iter);
3680                 g_free(quote_str);
3681                 quote_str = NULL;
3682                 if (startq_offset != -1) {
3683                         GtkTextIter startquote, endquote;
3684                         gtk_text_buffer_get_iter_at_offset(
3685                                 buffer, &startquote, startq_offset);
3686                         endquote = iter;
3687                         switch (quotelevel) {
3688                         case 0: gtk_text_buffer_apply_tag_by_name(
3689                                         buffer, "quote0", &startquote, &endquote);
3690                                 break;
3691                         case 1: gtk_text_buffer_apply_tag_by_name(
3692                                         buffer, "quote1", &startquote, &endquote);
3693                                 break;
3694                         case 2: gtk_text_buffer_apply_tag_by_name(
3695                                         buffer, "quote2", &startquote, &endquote);
3696                                 break;
3697                         }
3698                         startq_offset = -1;
3699                 } else if (noq_offset != -1) {
3700                         GtkTextIter startnoquote, endnoquote;
3701                         gtk_text_buffer_get_iter_at_offset(
3702                                 buffer, &startnoquote, noq_offset);
3703                         endnoquote = iter;
3704                         gtk_text_buffer_remove_tag_by_name(
3705                                 buffer, "quote0", &startnoquote, &endnoquote);
3706                         gtk_text_buffer_remove_tag_by_name(
3707                                 buffer, "quote1", &startnoquote, &endnoquote);
3708                         gtk_text_buffer_remove_tag_by_name(
3709                                 buffer, "quote2", &startnoquote, &endnoquote);
3710                         noq_offset = -1;
3711                 }
3712
3713                 /* always */ {
3714                         GtkTextIter nouri_start_iter, nouri_end_iter;
3715                         gtk_text_buffer_get_iter_at_offset(
3716                                 buffer, &nouri_start_iter, nouri_start);
3717                         gtk_text_buffer_get_iter_at_offset(
3718                                 buffer, &nouri_end_iter, nouri_stop);
3719                         gtk_text_buffer_remove_tag_by_name(
3720                                 buffer, "link", &nouri_start_iter, &nouri_end_iter);
3721                 }
3722                 if (uri_start > 0 && uri_stop > 0) {
3723                         GtkTextIter uri_start_iter, uri_end_iter;
3724                         gtk_text_buffer_get_iter_at_offset(
3725                                 buffer, &uri_start_iter, uri_start);
3726                         gtk_text_buffer_get_iter_at_offset(
3727                                 buffer, &uri_end_iter, uri_stop);
3728                         gtk_text_buffer_apply_tag_by_name(
3729                                 buffer, "link", &uri_start_iter, &uri_end_iter);
3730                 }
3731         }
3732
3733         if (par_iter)
3734                 *par_iter = iter;
3735         undo_wrapping(compose->undostruct, FALSE);
3736         compose->autowrap = prev_autowrap;
3737 }
3738
3739 void compose_action_cb(void *data)