src/messageview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2004 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <gdk/gdkkeysyms.h>
  24 #include <gtk/gtkvbox.h>
  25 #include <gtk/gtkcontainer.h>
  26 #include <gtk/gtkeditable.h>
  27 #include <gtk/gtkwindow.h>
  28 #include <gtk/gtktext.h>
  29 #include <gtk/gtkmenu.h>
  30 #include <gtk/gtkmenuitem.h>
  31 #include <stdio.h>
  32 #include <ctype.h>
  33 #include <string.h>
  34
  35 #include "intl.h"
  36 #include "main.h"
  37 #include "messageview.h"
  38 #include "message_search.h"
  39 #include "headerview.h"
  40 #include "summaryview.h"
  41 #include "textview.h"
  42 #include "mimeview.h"
  43 #include "menu.h"
  44 #include "about.h"
  45 #include "filesel.h"
  46 #include "sourcewindow.h"
  47 #include "addressbook.h"
  48 #include "alertpanel.h"
  49 #include "inputdialog.h"
  50 #include "manage_window.h"
  51 #include "procmsg.h"
  52 #include "procheader.h"
  53 #include "procmime.h"
  54 #include "account.h"
  55 #include "action.h"
  56 #include "prefs_common.h"
  57 #include "prefs_account.h"
  58 #include "gtkutils.h"
  59 #include "utils.h"
  60 #include "send_message.h"
  61 #include "stock_pixmap.h"
  62 #include "hooks.h"
  63 #include "filtering.h"
  64 #include "partial_download.h"
  65
  66 static GList *messageview_list = NULL;
  67
  68 static void messageview_destroy_cb      (GtkWidget      *widget,
  69                                          MessageView    *messageview);
  70 static void messageview_size_allocate_cb(GtkWidget      *widget,
  71                                          GtkAllocation  *allocation);
  72 static gboolean key_pressed             (GtkWidget      *widget,
  73                                          GdkEventKey    *event,
  74                                          MessageView    *messageview);
  75
  76 static void return_receipt_show         (NoticeView     *noticeview,
  77                                          MsgInfo        *msginfo);
  78 static void return_receipt_send_clicked (NoticeView     *noticeview,
  79                                          MsgInfo        *msginfo);
  80 static void partial_recv_show           (NoticeView     *noticeview,
  81                                          MsgInfo        *msginfo);
  82 static void partial_recv_dload_clicked  (NoticeView     *noticeview,
  83                                          MsgInfo        *msginfo);
  84 static void partial_recv_del_clicked    (NoticeView     *noticeview,
  85                                          MsgInfo        *msginfo);
  86 static void partial_recv_unmark_clicked (NoticeView     *noticeview,
  87                                          MsgInfo        *msginfo);
  88 static void save_as_cb                  (gpointer        data,
  89                                          guint           action,
  90                                          GtkWidget      *widget);
  91 static void print_cb                    (gpointer        data,
  92                                          guint           action,
  93                                          GtkWidget      *widget);
  94 static void close_cb                    (gpointer        data,
  95                                          guint           action,
  96                                          GtkWidget      *widget);
  97 static void copy_cb                     (gpointer        data,
  98                                          guint           action,
  99                                          GtkWidget      *widget);
 100 static void allsel_cb                   (gpointer        data,
 101                                          guint           action,
 102                                          GtkWidget      *widget);
 103 static void search_cb                   (gpointer        data,
 104                                          guint           action,
 105                                          GtkWidget      *widget);
 106
 107 static void set_charset_cb              (gpointer        data,
 108                                          guint           action,
 109                                          GtkWidget      *widget);
 110 static void view_source_cb              (gpointer        data,
 111                                          guint           action,
 112                                          GtkWidget      *widget);
 113 static void show_all_header_cb          (gpointer        data,
 114                                          guint           action,
 115                                          GtkWidget      *widget);
 116
 117 static void compose_cb                  (gpointer        data,
 118                                          guint           action,
 119                                          GtkWidget      *widget);
 120 static void reply_cb                    (gpointer        data,
 121                                          guint           action,
 122                                          GtkWidget      *widget);
 123 static void reedit_cb                   (gpointer        data,
 124                                          guint           action,
 125                                          GtkWidget      *widget);
 126
 127 static PrefsAccount *select_account_from_list
 128                                         (GList          *ac_list);
 129 static void addressbook_open_cb         (gpointer        data,
 130                                          guint           action,
 131                                          GtkWidget      *widget);
 132 static void add_address_cb              (gpointer        data,
 133                                          guint           action,
 134                                          GtkWidget      *widget);
 135 static void create_filter_cb            (gpointer        data,
 136                                          guint           action,
 137                                          GtkWidget      *widget);
 138 static void create_processing_cb        (gpointer        data,
 139                                          guint           action,
 140                                          GtkWidget      *widget);
 141
 142 static void about_cb                    (gpointer        data,
 143                                          guint           action,
 144                                          GtkWidget      *widget);
 145 static void messageview_update          (MessageView *msgview);
 146 static gboolean messageview_update_msg  (gpointer source, gpointer data);
 147
 148 static GList *msgview_list = NULL;
 149 static GtkItemFactoryEntry msgview_entries[] =
 150 {
 151         {N_("/_File"),                  NULL, NULL, 0, "<Branch>"},
 152         {N_("/_File/_Save as..."),      NULL, save_as_cb, 0, NULL},
 153         {N_("/_File/_Print..."),        NULL, print_cb, 0, NULL},
 154         {N_("/_File/---"),              NULL, NULL, 0, "<Separator>"},
 155         {N_("/_File/_Close"),           NULL, close_cb, 0, NULL},
 156
 157         {N_("/_Edit"),                  NULL, NULL, 0, "<Branch>"},
 158         {N_("/_Edit/_Copy"),            NULL, copy_cb, 0, NULL},
 159         {N_("/_Edit/Select _all"),      NULL, allsel_cb, 0, NULL},
 160         {N_("/_Edit/---"),              NULL, NULL, 0, "<Separator>"},
 161         {N_("/_Edit/_Find in current message..."),
 162                                         NULL, search_cb, 0, NULL},
 163
 164         {N_("/_View"),                  NULL, NULL, 0, "<Branch>"},
 165
 166 #define CODESET_SEPARATOR \
 167         {N_("/_View/_Code set/---"),    NULL, NULL, 0, "<Separator>"}
 168 #define CODESET_ACTION(action) \
 169         NULL, set_charset_cb, action, "/View/Code set/Auto detect"
 170
 171         {N_("/_View/_Code set"),        NULL, NULL, 0, "<Branch>"},
 172         {N_("/_View/_Code set/_Auto detect"),
 173                                         NULL, set_charset_cb, C_AUTO, "<RadioItem>"},
 174         CODESET_SEPARATOR,
 175         {N_("/_View/_Code set/7bit ascii (US-ASC_II)"),
 176          CODESET_ACTION(C_US_ASCII)},
 177
 178 #if HAVE_ICONV
 179         {N_("/_View/_Code set/Unicode (_UTF-8)"),
 180          CODESET_ACTION(C_UTF_8)},
 181         CODESET_SEPARATOR,
 182 #endif
 183         {N_("/_View/_Code set/Western European (ISO-8859-_1)"),
 184          CODESET_ACTION(C_ISO_8859_1)},
 185         {N_("/_View/_Code set/Western European (ISO-8859-15)"),
 186          CODESET_ACTION(C_ISO_8859_15)},
 187         CODESET_SEPARATOR,
 188 #if HAVE_ICONV
 189         {N_("/_View/_Code set/Central European (ISO-8859-_2)"),
 190          CODESET_ACTION(C_ISO_8859_2)},
 191         CODESET_SEPARATOR,
 192         {N_("/_View/_Code set/_Baltic (ISO-8859-13)"),
 193          CODESET_ACTION(C_ISO_8859_13)},
 194         {N_("/_View/_Code set/Baltic (ISO-8859-_4)"),
 195          CODESET_ACTION(C_ISO_8859_4)},
 196         CODESET_SEPARATOR,
 197         {N_("/_View/_Code set/Greek (ISO-8859-_7)"),
 198          CODESET_ACTION(C_ISO_8859_7)},
 199         CODESET_SEPARATOR,
 200         {N_("/_View/_Code set/Turkish (ISO-8859-_9)"),
 201          CODESET_ACTION(C_ISO_8859_9)},
 202         CODESET_SEPARATOR,
 203         {N_("/_View/_Code set/Cyrillic (ISO-8859-_5)"),
 204          CODESET_ACTION(C_ISO_8859_5)},
 205         {N_("/_View/_Code set/Cyrillic (KOI8-_R)"),
 206          CODESET_ACTION(C_KOI8_R)},
 207         {N_("/_View/_Code set/Cyrillic (KOI8-U)"),
 208          CODESET_ACTION(C_KOI8_U)},
 209         {N_("/_View/_Code set/Cyrillic (Windows-1251)"),
 210          CODESET_ACTION(C_CP1251)},
 211         CODESET_SEPARATOR,
 212 #endif
 213         {N_("/_View/_Code set/Japanese (ISO-2022-_JP)"),
 214          CODESET_ACTION(C_ISO_2022_JP)},
 215 #if HAVE_ICONV
 216         {N_("/_View/_Code set/Japanese (ISO-2022-JP-2)"),
 217          CODESET_ACTION(C_ISO_2022_JP_2)},
 218 #endif
 219         {N_("/_View/_Code set/Japanese (_EUC-JP)"),
 220          CODESET_ACTION(C_EUC_JP)},
 221         {N_("/_View/_Code set/Japanese (_Shift__JIS)"),
 222          CODESET_ACTION(C_SHIFT_JIS)},
 223 #if HAVE_ICONV
 224         CODESET_SEPARATOR,
 225         {N_("/_View/_Code set/Simplified Chinese (_GB2312)"),
 226          CODESET_ACTION(C_GB2312)},
 227         {N_("/_View/_Code set/Traditional Chinese (_Big5)"),
 228          CODESET_ACTION(C_BIG5)},
 229         {N_("/_View/_Code set/Traditional Chinese (EUC-_TW)"),
 230          CODESET_ACTION(C_EUC_TW)},
 231         {N_("/_View/_Code set/Chinese (ISO-2022-_CN)"),
 232          CODESET_ACTION(C_ISO_2022_CN)},
 233         CODESET_SEPARATOR,
 234         {N_("/_View/_Code set/Korean (EUC-_KR)"),
 235          CODESET_ACTION(C_EUC_KR)},
 236         {N_("/_View/_Code set/Korean (ISO-2022-KR)"),
 237          CODESET_ACTION(C_ISO_2022_KR)},
 238         CODESET_SEPARATOR,
 239         {N_("/_View/_Code set/Thai (TIS-620)"),
 240          CODESET_ACTION(C_TIS_620)},
 241         {N_("/_View/_Code set/Thai (Windows-874)"),
 242          CODESET_ACTION(C_WINDOWS_874)},
 243 #endif
 244
 245 #undef CODESET_SEPARATOR
 246 #undef CODESET_ACTION
 247
 248         {N_("/_View/---"),              NULL, NULL, 0, "<Separator>"},
 249         {N_("/_View/Mess_age source"),  NULL, view_source_cb, 0, NULL},
 250         {N_("/_View/Show all _headers"),NULL, show_all_header_cb, 0, "<ToggleItem>"},
 251
 252         {N_("/_Message"),               NULL, NULL, 0, "<Branch>"},
 253         {N_("/_Message/Compose _new message"),
 254                                         NULL, compose_cb, 0, NULL},
 255         {N_("/_Message/---"),           NULL, NULL, 0, "<Separator>"},
 256         {N_("/_Message/_Reply"),        NULL, reply_cb, COMPOSE_REPLY, NULL},
 257         {N_("/_Message/Repl_y to/_all"),
 258                                         NULL, reply_cb, COMPOSE_REPLY_TO_ALL, NULL},
 259         {N_("/_Message/Repl_y to/_sender"),
 260                                         NULL, reply_cb, COMPOSE_REPLY_TO_SENDER, NULL},
 261         {N_("/_Message/Repl_y to/mailing _list"),
 262                                         NULL, reply_cb, COMPOSE_REPLY_TO_LIST, NULL},
 263         {N_("/_Message/---"),           NULL, NULL, 0, "<Separator>"},
 264         {N_("/_Message/_Forward"),      NULL, reply_cb, COMPOSE_FORWARD, NULL},
 265         {N_("/_Message/For_ward as attachment"),
 266                                         NULL, reply_cb, COMPOSE_FORWARD_AS_ATTACH, NULL},
 267         {N_("/_Message/Redirec_t"),     NULL, reply_cb, COMPOSE_REDIRECT, NULL},
 268         {N_("/_Message/---"),           NULL, NULL, 0, "<Separator>"},
 269         {N_("/_Message/Re-_edit"),      NULL, reedit_cb, 0, NULL},
 270
 271         {N_("/_Tools"),                 NULL, NULL, 0, "<Branch>"},
 272         {N_("/_Tools/_Address book"),   NULL, addressbook_open_cb, 0, NULL},
 273         {N_("/_Tools/Add sender to address boo_k"),
 274                                         NULL, add_address_cb, 0, NULL},
 275         {N_("/_Tools/---"),             NULL, NULL, 0, "<Separator>"},
 276         {N_("/_Tools/_Create filter rule"),
 277                                         NULL, NULL, 0, "<Branch>"},
 278         {N_("/_Tools/_Create filter rule/_Automatically"),
 279                                         NULL, create_filter_cb, FILTER_BY_AUTO, NULL},
 280         {N_("/_Tools/_Create filter rule/by _From"),
 281                                         NULL, create_filter_cb, FILTER_BY_FROM, NULL},
 282         {N_("/_Tools/_Create filter rule/by _To"),
 283                                         NULL, create_filter_cb, FILTER_BY_TO, NULL},
 284         {N_("/_Tools/_Create filter rule/by _Subject"),
 285                                         NULL, create_filter_cb, FILTER_BY_SUBJECT, NULL},
 286         {N_("/_Tools/Create processing rule/"),
 287                                         NULL, NULL, 0, "<Branch>"},
 288         {N_("/_Tools/Create processing rule/_Automatically"),
 289                                         NULL, create_processing_cb, FILTER_BY_AUTO, NULL},
 290         {N_("/_Tools/Create processing rule/by _From"),
 291                                         NULL, create_processing_cb, FILTER_BY_FROM, NULL},
 292         {N_("/_Tools/Create processing rule/by _To"),
 293                                         NULL, create_processing_cb, FILTER_BY_TO, NULL},
 294         {N_("/_Tools/Create processing rule/by _Subject"),
 295                                         NULL, create_processing_cb, FILTER_BY_SUBJECT, NULL},
 296         {N_("/_Tools/---"),             NULL, NULL, 0, "<Separator>"},
 297         {N_("/_Tools/Actio_ns"),        NULL, NULL, 0, "<Branch>"},
 298
 299         {N_("/_Help"),                  NULL, NULL, 0, "<Branch>"},
 300         {N_("/_Help/_About"),           NULL, about_cb, 0, NULL}
 301 };
 302
 303 MessageView *messageview_create(MainWindow *mainwin)
 304 {
 305         MessageView *messageview;
 306         GtkWidget *vbox;
 307         HeaderView *headerview;
 308         MimeView *mimeview;
 309         NoticeView *noticeview;
 310
 311         debug_print("Creating message view...\n");
 312         messageview = g_new0(MessageView, 1);
 313
 314         headerview = headerview_create();
 315
 316         noticeview = noticeview_create(mainwin);
 317
 318         mimeview = mimeview_create(mainwin);
 319         mimeview->textview = textview_create();
 320         mimeview->textview->messageview = messageview;
 321         mimeview->messageview = messageview;
 322
 323         vbox = gtk_vbox_new(FALSE, 0);
 324         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET_PTR(headerview),
 325                            FALSE, FALSE, 0);
 326         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET_PTR(noticeview),
 327                            FALSE, FALSE, 0);
 328         gtk_box_pack_start(GTK_BOX(vbox),
 329                            GTK_WIDGET_PTR(mimeview), TRUE, TRUE, 0);
 330         gtk_widget_show(vbox);
 331
 332         messageview->vbox        = vbox;
 333         messageview->new_window  = FALSE;
 334         messageview->window      = NULL;
 335         messageview->headerview  = headerview;
 336         messageview->mimeview    = mimeview;
 337         messageview->noticeview = noticeview;
 338         messageview->mainwin    = mainwin;
 339
 340         messageview->statusbar     = NULL;
 341         messageview->statusbar_cid = 0;
 342
 343         messageview->msginfo_update_callback_id =
 344                 hooks_register_hook(MSGINFO_UPDATE_HOOKLIST, messageview_update_msg, (gpointer) messageview);
 345
 346         return messageview;
 347 }
 348
 349 GList *messageview_get_msgview_list(void)
 350 {
 351         return msgview_list;
 352 }
 353
 354 void messageview_update_actions_menu(MessageView *msgview)
 355 {
 356         GtkItemFactory *ifactory;
 357
 358         /* Messages opened in a new window do not have a menu bar */
 359         if (msgview->menubar == NULL)
 360                 return;
 361         ifactory = gtk_item_factory_from_widget(msgview->menubar);
 362         action_update_msgview_menu(ifactory, "/Tools/Actions", msgview);
 363 }
 364
 365 void messageview_add_toolbar(MessageView *msgview, GtkWidget *window)
 366 {
 367         GtkWidget *handlebox;
 368         GtkWidget *vbox;
 369         GtkWidget *menubar;
 370         GtkWidget *statusbar;
 371         guint n_menu_entries;
 372
 373         vbox = gtk_vbox_new(FALSE, 0);
 374         gtk_widget_show(vbox);
 375         gtk_container_add(GTK_CONTAINER(window), vbox);
 376
 377         n_menu_entries = sizeof(msgview_entries) / sizeof(msgview_entries[0]);
 378         menubar = menubar_create(window, msgview_entries,
 379                                  n_menu_entries, "<MessageView>", msgview);
 380         gtk_widget_show(menubar);
 381         gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, TRUE, 0);
 382
 383         handlebox = gtk_handle_box_new();
 384         gtk_box_pack_start(GTK_BOX(vbox), handlebox, FALSE, FALSE, 0);
 385         msgview->toolbar = toolbar_create(TOOLBAR_MSGVIEW, handlebox,
 386                                           (gpointer)msgview);
 387
 388         statusbar = gtk_statusbar_new();
 389         gtk_widget_show(statusbar);
 390         gtk_box_pack_end(GTK_BOX(vbox), statusbar, FALSE, FALSE, 0);
 391         msgview->statusbar = statusbar;
 392         msgview->statusbar_cid = gtk_statusbar_get_context_id
 393                 (GTK_STATUSBAR(statusbar), "Message View");
 394
 395         msgview->handlebox = handlebox;
 396         msgview->menubar   = menubar;
 397
 398         gtk_container_add(GTK_CONTAINER(vbox),
 399                           GTK_WIDGET_PTR(msgview));
 400
 401         messageview_update_actions_menu(msgview);
 402
 403         msgview_list = g_list_append(msgview_list, msgview);
 404 }
 405
 406 MessageView *messageview_create_with_new_window(MainWindow *mainwin)
 407 {
 408         MessageView *msgview;
 409         GtkWidget *window;
 410
 411         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 412         gtk_window_set_title(GTK_WINDOW(window), _("Sylpheed - Message View"));
 413         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 414         gtk_widget_set_size_request(window, prefs_common.msgwin_width,
 415                                     prefs_common.msgwin_height);
 416
 417         msgview = messageview_create(mainwin);
 418
 419         g_signal_connect(G_OBJECT(window), "size_allocate",
 420                          G_CALLBACK(messageview_size_allocate_cb),
 421                          msgview);
 422         g_signal_connect(G_OBJECT(window), "destroy",
 423                          G_CALLBACK(messageview_destroy_cb), msgview);
 424         g_signal_connect(G_OBJECT(window), "key_press_event",
 425                          G_CALLBACK(key_pressed), msgview);
 426
 427         messageview_add_toolbar(msgview, window);
 428
 429         gtk_widget_grab_focus(msgview->mimeview->textview->text);
 430         gtk_widget_show(window);
 431
 432         msgview->new_window = TRUE;
 433         msgview->window = window;
 434         msgview->visible = TRUE;
 435
 436         toolbar_set_style(msgview->toolbar->toolbar, msgview->handlebox,
 437                           prefs_common.toolbar_style);
 438         messageview_init(msgview);
 439
 440         return msgview;
 441 }
 442
 443 void messageview_init(MessageView *messageview)
 444 {
 445         headerview_init(messageview->headerview);
 446         mimeview_init(messageview->mimeview);
 447         /*messageview_set_font(messageview);*/
 448
 449         noticeview_hide(messageview->noticeview);
 450 }
 451
 452 static void notification_convert_header(gchar *dest, gint len,
 453                                         const gchar *src_,
 454                                         gint header_len)
 455 {
 456         char *src;
 457
 458         g_return_if_fail(src_ != NULL);
 459         g_return_if_fail(dest != NULL);
 460
 461         if (len < 1) return;
 462
 463         Xstrndup_a(src, src_, len, return);
 464
 465         remove_return(src);
 466
 467         if (is_ascii_str(src)) {
 468                 strncpy2(dest, src, len);
 469                 dest[len - 1] = '\0';
 470                 return;
 471         } else
 472                 conv_encode_header(dest, len, src, header_len, FALSE);
 473 }
 474
 475 static gint disposition_notification_send(MsgInfo *msginfo)
 476 {
 477         gchar buf[BUFFSIZE];
 478         gchar tmp[MAXPATHLEN + 1];
 479         FILE *fp;
 480         GList *ac_list;
 481         PrefsAccount *account;
 482         gint ok;
 483         gchar *to;
 484         FolderItem *queue, *outbox;
 485         gint num;
 486         gchar *path;
 487         gchar *addr;
 488         gchar *addrp;
 489
 490         if ((!msginfo->returnreceiptto) &&
 491             (!msginfo->dispositionnotificationto))
 492                 return -1;
 493
 494         /* RFC2298: Test for Return-Path */
 495         if (msginfo->dispositionnotificationto)
 496                 to = msginfo->dispositionnotificationto;
 497         else
 498                 to = msginfo->returnreceiptto;
 499
 500         ok = procheader_get_header_from_msginfo(msginfo, buf, sizeof(buf),
 501                                 "Return-Path:");
 502         if (ok == 0) {
 503                 gchar *to_addr = g_strdup(to);
 504                 extract_address(to_addr);
 505                 extract_address(buf);
 506                 ok = strcmp(to_addr, buf);
 507                 g_free(to_addr);
 508         } else {
 509                 strncpy(buf, _("<No Return-Path found>"),
 510                                 sizeof(buf));
 511         }
 512
 513         if (ok != 0) {
 514                 AlertValue val;
 515                 gchar *message;
 516                 message = g_strdup_printf(
 517                                  _("The notification address to which the "
 518                                    "return receipt is to be sent\n"
 519                                    "does not correspond to the return path:\n"
 520                                    "Notification address: %s\n"
 521                                    "Return path: %s\n"
 522                                    "It is advised to not to send the return "
 523                                    "receipt."), to, buf);
 524                 val = alertpanel_with_type(_("Warning"), message, _("Send"),
 525                                 _("+Don't Send"), NULL, NULL, ALERT_WARNING);
 526                 g_free(message);
 527                 if (val != G_ALERTDEFAULT)
 528                         return -1;
 529         }
 530
 531         ac_list = account_find_all_from_address(NULL, msginfo->to);
 532         ac_list = account_find_all_from_address(ac_list, msginfo->cc);
 533
 534         if (ac_list == NULL) {
 535                 alertpanel_error(_("This message is asking for a return "
 536                                    "receipt notification\n"
 537                                    "but according to its 'To:' and 'CC:' "
 538                                    "headers it was not\nofficially addressed "
 539                                    "to you.\n"
 540                                    "Receipt notification cancelled."));
 541                 return -1;
 542         }
 543
 544         if (g_list_length(ac_list) > 1)
 545                 account = select_account_from_list(ac_list);
 546         else
 547                 account = (PrefsAccount *) ac_list->data;
 548         g_list_free(ac_list);
 549
 550         if (account == NULL)
 551                 return -1;
 552
 553         /* write to temporary file */
 554         g_snprintf(tmp, sizeof(tmp), "%s%ctmpmsg%d",
 555                    get_rc_dir(), G_DIR_SEPARATOR, (gint)msginfo);
 556
 557         if ((fp = fopen(tmp, "wb")) == NULL) {
 558                 FILE_OP_ERROR(tmp, "fopen");
 559                 return -1;
 560         }
 561
 562         /* chmod for security */
 563         if (change_file_mode_rw(fp, tmp) < 0) {
 564                 FILE_OP_ERROR(tmp, "chmod");
 565                 g_warning("can't change file mode\n");
 566         }
 567
 568         addr = g_strdup(to);
 569
 570         extract_address(addr);
 571         addrp = addr;
 572
 573         /* write queue headers */
 574         fprintf(fp, "AF:\n");
 575         fprintf(fp, "NF:0\n");
 576         fprintf(fp, "PS:10\n");
 577         fprintf(fp, "SRH:1\n");
 578         fprintf(fp, "SFN:\n");
 579         fprintf(fp, "DSR:\n");
 580         fprintf(fp, "MID:\n");
 581         fprintf(fp, "CFG:\n");
 582         fprintf(fp, "PT:0\n");
 583         fprintf(fp, "S:%s\n", account->address);
 584         fprintf(fp, "RQ:\n");
 585         if (account->smtp_server)
 586                 fprintf(fp, "SSV:%s\n", account->smtp_server);
 587         else
 588                 fprintf(fp, "SSV:\n");
 589         fprintf(fp, "SSH:\n");
 590         fprintf(fp, "R:<%s>\n", addrp);
 591
 592         g_free(addrp);
 593
 594         /* check whether we need to save the message */
 595         outbox = account_get_special_folder(account, F_OUTBOX);
 596         if (folder_get_default_outbox() == outbox && !prefs_common.savemsg)
 597                 outbox = NULL;
 598         if (outbox) {
 599                 path = folder_item_get_identifier(outbox);
 600                 fprintf(fp, "SCF:%s\n", path);
 601                 g_free(path);
 602         }
 603
 604         fprintf(fp, "\n");
 605
 606         /* Date */
 607         get_rfc822_date(buf, sizeof(buf));
 608         fprintf(fp, "Date: %s\n", buf);
 609
 610         /* From */
 611         if (account->name && *account->name) {
 612                 notification_convert_header
 613                         (buf, sizeof(buf), account->name,
 614                          strlen("From: "));
 615                 fprintf(fp, "From: %s <%s>\n", buf, account->address);
 616         } else
 617                 fprintf(fp, "From: %s\n", account->address);
 618
 619         fprintf(fp, "To: %s\n", to);
 620
 621         /* Subject */
 622         notification_convert_header(buf, sizeof(buf), msginfo->subject,
 623                                     strlen("Subject: "));
 624         fprintf(fp, "Subject: Disposition notification: %s\n", buf);
 625
 626         /* Message ID */
 627         generate_msgid(account->address, buf, sizeof buf);
 628         fprintf(fp, "Message-ID: <%s>\n", buf);
 629
 630         if (fclose(fp) == EOF) {
 631                 FILE_OP_ERROR(tmp, "fclose");
 632                 unlink(tmp);
 633                 return -1;
 634         }
 635
 636         /* put it in queue */
 637         queue = account_get_special_folder(account, F_QUEUE);
 638         if (!queue) queue = folder_get_default_queue();
 639         if (!queue) {
 640                 g_warning("can't find queue folder\n");
 641                 unlink(tmp);
 642                 return -1;
 643         }
 644         folder_item_scan(queue);
 645         if ((num = folder_item_add_msg(queue, tmp, NULL, TRUE)) < 0) {
 646                 g_warning("can't queue the message\n");
 647                 unlink(tmp);
 648                 return -1;
 649         }
 650
 651         /* send it */
 652         path = folder_item_fetch_msg(queue, num);
 653         ok = procmsg_send_message_queue(path);
 654         g_free(path);
 655         folder_item_remove_msg(queue, num);
 656
 657         return ok;
 658 }
 659
 660 GList *messageview_get_window_list(void)
 661 {
 662         return messageview_list;
 663 }
 664
 665 static gboolean find_encrypted_func(GNode *node, gpointer data)
 666 {
 667         MimeInfo *mimeinfo = (MimeInfo *) node->data;
 668         MimeInfo **encinfo = (MimeInfo **) data;
 669
 670         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
 671                 *encinfo = mimeinfo;
 672                 return TRUE;
 673         }
 674
 675         return FALSE;
 676 }
 677
 678 static MimeInfo *find_encrypted_part(MimeInfo *rootinfo)
 679 {
 680         MimeInfo *encinfo = NULL;
 681
 682         g_node_traverse(rootinfo->node, G_IN_ORDER, G_TRAVERSE_ALL, -1,
 683                 find_encrypted_func, &encinfo);
 684
 685         return encinfo;
 686 }
 687
 688 gint messageview_show(MessageView *messageview, MsgInfo *msginfo,
 689                       gboolean all_headers)
 690 {
 691         gchar *file;
 692         MimeInfo *mimeinfo, *encinfo;
 693
 694         g_return_val_if_fail(msginfo != NULL, -1);
 695
 696         mimeinfo = procmime_scan_message(msginfo);
 697         if (!mimeinfo) {
 698                 textview_show_error(messageview->mimeview->textview);
 699                 return -1;
 700         }
 701
 702         while ((encinfo = find_encrypted_part(mimeinfo)) != NULL) {
 703                 debug_print("decrypting message part\n");
 704                 if (privacy_mimeinfo_decrypt(encinfo) < 0)
 705                         break;
 706         }
 707
 708         file = procmsg_get_message_file_path(msginfo);
 709         if (!file) {
 710                 g_warning("can't get message file path.\n");
 711                 procmime_mimeinfo_free_all(mimeinfo);
 712                 textview_show_error(messageview->mimeview->textview);
 713                 return -1;
 714         }
 715
 716         if (messageview->msginfo != msginfo) {
 717                 procmsg_msginfo_free(messageview->msginfo);
 718                 messageview->msginfo = procmsg_msginfo_get_full_info(msginfo);
 719         }
 720         headerview_show(messageview->headerview, messageview->msginfo);
 721
 722         messageview->all_headers = all_headers;
 723         textview_set_all_headers(messageview->mimeview->textview, all_headers);
 724
 725         mimeview_show_message(messageview->mimeview, mimeinfo, file);
 726         messageview_set_position(messageview, 0);
 727
 728         if (messageview->msginfo->partial_recv)
 729                 partial_recv_show(messageview->noticeview,
 730                                   messageview->msginfo);
 731         else if ((messageview->msginfo->dispositionnotificationto ||
 732              messageview->msginfo->returnreceiptto) &&
 733             !MSG_IS_RETRCPT_SENT(messageview->msginfo->flags))
 734                 return_receipt_show(messageview->noticeview,
 735                                     messageview->msginfo);
 736         else
 737                 noticeview_hide(messageview->noticeview);
 738
 739         g_free(file);
 740
 741         return 0;
 742 }
 743
 744 void messageview_reflect_prefs_pixmap_theme(void)
 745 {
 746         GList *cur;
 747         MessageView *msgview;
 748
 749         for (cur = msgview_list; cur != NULL; cur = cur->next) {
 750                 msgview = (MessageView*)cur->data;
 751                 toolbar_update(TOOLBAR_MSGVIEW, msgview);
 752                 mimeview_update(msgview->mimeview);
 753         }
 754 }
 755
 756 void messageview_clear(MessageView *messageview)
 757 {
 758         procmsg_msginfo_free(messageview->msginfo);
 759         messageview->msginfo = NULL;
 760         messageview->filtered = FALSE;
 761         mimeview_clear(messageview->mimeview);
 762         headerview_clear(messageview->headerview);
 763         noticeview_hide(messageview->noticeview);
 764 }
 765
 766 void messageview_destroy(MessageView *messageview)
 767 {
 768         debug_print("destroy messageview\n");
 769         messageview_list = g_list_remove(messageview_list, messageview);
 770
 771         hooks_unregister_hook(MSGINFO_UPDATE_HOOKLIST,
 772                               messageview->msginfo_update_callback_id);
 773
 774         headerview_destroy(messageview->headerview);
 775         mimeview_destroy(messageview->mimeview);
 776         noticeview_destroy(messageview->noticeview);
 777
 778         procmsg_msginfo_free(messageview->msginfo);
 779         toolbar_clear_list(TOOLBAR_MSGVIEW);
 780         if (messageview->toolbar) {
 781                 toolbar_destroy(messageview->toolbar);
 782                 g_free(messageview->toolbar);
 783         }
 784
 785         msgview_list = g_list_remove(msgview_list, messageview);
 786
 787         g_free(messageview);
 788 }
 789
 790 void messageview_delete(MessageView *msgview)
 791 {
 792         MsgInfo *msginfo = NULL;
 793         FolderItem *trash = NULL;
 794         PrefsAccount *ac = NULL;
 795
 796         if (msgview->msginfo && msgview->mainwin && msgview->mainwin->summaryview)
 797                 msginfo = summary_get_selected_msg(msgview->mainwin->summaryview);
 798
 799         /* need a procmsg_msginfo_equal() */
 800         if (msginfo && msgview->msginfo &&
 801             msginfo->msgnum == msgview->msginfo->msgnum &&
 802             msginfo->folder == msgview->msginfo->folder) {
 803                 summary_delete(msgview->mainwin->summaryview);
 804         } else {
 805                 msginfo = msgview->msginfo;
 806
 807                 g_return_if_fail(msginfo != NULL);
 808
 809                 /* to get the trash folder, we have to choose either
 810                  * the folder's or account's trash default - we prefer
 811                  * the one in the account prefs */
 812                 if (msginfo->folder) {
 813                         if (NULL != (ac = account_find_from_item(msginfo->folder)))
 814                                 trash = account_get_special_folder(ac, F_TRASH);
 815                         if (!trash && msginfo->folder->folder)
 816                                 trash = msginfo->folder->folder->trash;
 817                         /* if still not found, use the default */
 818                         if (!trash)
 819                                 trash = folder_get_default_trash();
 820                 }
 821
 822                 g_return_if_fail(trash != NULL);
 823
 824                 if (prefs_common.immediate_exec)
 825                         /* TODO: Delete from trash */
 826                         folder_item_move_msg(trash, msginfo);
 827                 else {
 828                         procmsg_msginfo_set_to_folder(msginfo, trash);
 829                         procmsg_msginfo_set_flags(msginfo, MSG_DELETED, 0);
 830                         /* NOTE: does not update to next message in summaryview */
 831                 }
 832         }
 833 }
 834
 835 /*
 836  * \brief update messageview with currently selected message in summaryview
 837  *        leave unchanged if summaryview is empty
 838  * \param pointer to MessageView
 839  */
 840 static void messageview_update(MessageView *msgview)
 841 {
 842         SummaryView *summaryview = (SummaryView*)msgview->mainwin->summaryview;
 843
 844         g_return_if_fail(summaryview != NULL);
 845
 846         if (summaryview->selected) {
 847                 GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
 848                 MsgInfo *msginfo = gtk_ctree_node_get_row_data(ctree,
 849                                                       summaryview->selected);
 850                 g_return_if_fail(msginfo != NULL);
 851
 852                 messageview_show(msgview, msginfo,
 853                                  msgview->all_headers);
 854         }
 855 }
 856
 857 void messageview_quote_color_set(void)
 858 {
 859 }
 860
 861 void messageview_set_font(MessageView *messageview)
 862 {
 863 }
 864
 865 TextView *messageview_get_current_textview(MessageView *messageview)
 866 {
 867         TextView *text = NULL;
 868
 869         text = messageview->mimeview->textview;
 870
 871         return text;
 872 }
 873
 874 MimeInfo *messageview_get_selected_mime_part(MessageView *messageview)
 875 {
 876         return mimeview_get_selected_part(messageview->mimeview);
 877 }
 878
 879 void messageview_copy_clipboard(MessageView *messageview)
 880 {
 881         TextView *text;
 882
 883         text = messageview_get_current_textview(messageview);
 884         if (text) {
 885                 GtkTextView *textview = GTK_TEXT_VIEW(text->text);
 886                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(textview);
 887                 GtkClipboard *clipboard
 888                         = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
 889
 890                 gtk_text_buffer_copy_clipboard(buffer, clipboard);
 891         }
 892 }
 893
 894 void messageview_select_all(MessageView *messageview)
 895 {
 896         TextView *text;
 897
 898         text = messageview_get_current_textview(messageview);
 899         if (text)
 900                 gtk_editable_select_region(GTK_EDITABLE(text->text), 0, -1);
 901 }
 902
 903 void messageview_set_position(MessageView *messageview, gint pos)
 904 {
 905         TextView *text;
 906
 907         text = messageview_get_current_textview(messageview);
 908         if (text)
 909                 textview_set_position(text, pos);
 910 }
 911
 912 gboolean messageview_search_string(MessageView *messageview, const gchar *str,
 913                                    gboolean case_sens)
 914 {
 915         TextView *text;
 916
 917         text = messageview_get_current_textview(messageview);
 918         if (text)
 919                 return textview_search_string(text, str, case_sens);
 920         return FALSE;
 921 }
 922
 923 gboolean messageview_search_string_backward(MessageView *messageview,
 924                                             const gchar *str,
 925                                             gboolean case_sens)
 926 {
 927         TextView *text;
 928
 929         text = messageview_get_current_textview(messageview);
 930         if (text)
 931                 return textview_search_string_backward(text,
 932                                                        str, case_sens);
 933         return FALSE;
 934 }
 935
 936 gboolean messageview_is_visible(MessageView *messageview)
 937 {
 938         return messageview->visible;
 939 }
 940
 941 void messageview_save_as(MessageView *messageview)
 942 {
 943         gchar *filename = NULL;
 944         MsgInfo *msginfo;
 945         gchar *src, *dest;
 946
 947         if (!messageview->msginfo) return;
 948         msginfo = messageview->msginfo;
 949
 950         if (msginfo->subject) {
 951                 Xstrdup_a(filename, msginfo->subject, return);
 952                 subst_for_filename(filename);
 953         }
 954         dest = filesel_select_file_save(_("Save as"), filename);
 955         if (!dest) return;
 956         if (is_file_exist(dest)) {
 957                 AlertValue aval;
 958
 959                 aval = alertpanel(_("Overwrite"),
 960                                   _("Overwrite existing file?"),
 961                                   _("OK"), _("Cancel"), NULL);
 962                 if (G_ALERTDEFAULT != aval) return;
 963         }
 964
 965         src = procmsg_get_message_file(msginfo);
 966         if (copy_file(src, dest, TRUE) < 0) {
 967                 alertpanel_error(_("Can't save the file `%s'."),
 968                                  g_basename(dest));
 969         }
 970         g_free(src);
 971 }
 972
 973 static void messageview_destroy_cb(GtkWidget *widget, MessageView *messageview)
 974 {
 975         messageview_destroy(messageview);
 976 }
 977
 978 static void messageview_size_allocate_cb(GtkWidget *widget,
 979                                          GtkAllocation *allocation)
 980 {
 981         g_return_if_fail(allocation != NULL);
 982
 983         prefs_common.msgwin_width  = allocation->width;
 984         prefs_common.msgwin_height = allocation->height;
 985 }
 986
 987 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
 988                         MessageView *messageview)
 989 {
 990         if (event && event->keyval == GDK_Escape && messageview->window)
 991                 gtk_widget_destroy(messageview->window);
 992         return FALSE;
 993 }
 994
 995 void messageview_toggle_view_real(MessageView *messageview)
 996 {
 997         MainWindow *mainwin = messageview->mainwin;
 998         union CompositeWin *cwin = &mainwin->win;
 999         GtkWidget *vpaned = NULL;
1000         GtkWidget *container = NULL;
1001         GtkItemFactory *ifactory = gtk_item_factory_from_widget(mainwin->menubar);
1002
1003         switch (mainwin->type) {
1004         case SEPARATE_NONE:
1005                 vpaned = cwin->sep_none.vpaned;
1006                 container = cwin->sep_none.hpaned;
1007                 break;
1008         case SEPARATE_FOLDER:
1009                 vpaned = cwin->sep_folder.vpaned;
1010                 container = mainwin->vbox_body;
1011                 break;
1012         case SEPARATE_MESSAGE:
1013         case SEPARATE_BOTH:
1014                 return;
1015         }
1016
1017         if (vpaned->parent != NULL) {
1018                 gtk_widget_ref(vpaned);
1019                 gtkut_container_remove(GTK_CONTAINER(container), vpaned);
1020                 gtk_widget_reparent(GTK_WIDGET_PTR(messageview), container);
1021                 menu_set_sensitive(ifactory, "/View/Expand Summary View", FALSE);
1022         } else {
1023                 gtk_widget_reparent(GTK_WIDGET_PTR(messageview), vpaned);
1024                 gtk_container_add(GTK_CONTAINER(container), vpaned);
1025                 gtk_widget_unref(vpaned);
1026                 menu_set_sensitive(ifactory, "/View/Expand Summary View", TRUE);
1027                 gtk_widget_grab_focus(GTK_WIDGET(mainwin->summaryview->ctree));
1028         }
1029 }
1030
1031 static void return_receipt_show(NoticeView *noticeview, MsgInfo *msginfo)
1032 {
1033         noticeview_set_text(noticeview, _("This message asks for a return receipt."));
1034         noticeview_set_button_text(noticeview, _("Send receipt"));
1035         noticeview_set_button_press_callback(noticeview,
1036                                              GTK_SIGNAL_FUNC(return_receipt_send_clicked),
1037                                              (gpointer) msginfo);
1038         noticeview_show(noticeview);
1039 }
1040
1041 static void return_receipt_send_clicked(NoticeView *noticeview, MsgInfo *msginfo)
1042 {
1043         MsgInfo *tmpmsginfo;
1044         gchar *file;
1045
1046         file = procmsg_get_message_file_path(msginfo);
1047         if (!file) {
1048                 g_warning("can't get message file path.\n");
1049                 return;
1050         }
1051
1052         tmpmsginfo = procheader_parse_file(file, msginfo->flags, TRUE, TRUE);
1053         tmpmsginfo->folder = msginfo->folder;
1054         tmpmsginfo->msgnum = msginfo->msgnum;
1055
1056         if (disposition_notification_send(tmpmsginfo) >= 0) {
1057                 procmsg_msginfo_set_flags(msginfo, MSG_RETRCPT_SENT, 0);
1058                 noticeview_hide(noticeview);
1059         }
1060
1061         procmsg_msginfo_free(tmpmsginfo);
1062         g_free(file);
1063 }
1064
1065 static void partial_recv_show(NoticeView *noticeview, MsgInfo *msginfo)
1066 {
1067         gchar *text = NULL;
1068         gchar *button1 = NULL;
1069         gchar *button2 = NULL;
1070         void  *button1_cb = NULL;
1071         void  *button2_cb = NULL;
1072
1073         if (!partial_msg_in_uidl_list(msginfo)) {
1074                 text = g_strdup_printf(_("This message has been partially "
1075                                 "retrieved,\nand has been deleted from the "
1076                                 "server."));
1077         } else {
1078                 switch (msginfo->planned_download) {
1079                 case POP3_PARTIAL_DLOAD_UNKN:
1080                         text = g_strdup_printf(_("This message has been "
1081                                         "partially retrieved;\nit is %s."),
1082                                         to_human_readable(
1083                                                 (off_t)(msginfo->total_size)));
1084                         button1 = _("Mark for download");
1085                         button2 = _("Mark for deletion");
1086                         button1_cb = partial_recv_dload_clicked;
1087                         button2_cb = partial_recv_del_clicked;
1088                         break;
1089                 case POP3_PARTIAL_DLOAD_DLOAD:
1090                         text = g_strdup_printf(_("This message has been "
1091                                         "partially retrieved;\nit is %s and "
1092                                         "will be downloaded."),
1093                                         to_human_readable(
1094                                                 (off_t)(msginfo->total_size)));
1095                         button1 = _("Unmark");
1096                         button1_cb = partial_recv_unmark_clicked;
1097                         button2 = _("Mark for deletion");
1098                         button2_cb = partial_recv_del_clicked;
1099                         break;
1100                 case POP3_PARTIAL_DLOAD_DELE:
1101                         text = g_strdup_printf(_("This message has been "
1102                                         "partially retrieved;\nit is %s and "
1103                                         "will be deleted."),
1104                                         to_human_readable(
1105                                                 (off_t)(msginfo->total_size)));
1106                         button1 = _("Mark for download");
1107                         button1_cb = partial_recv_dload_clicked;
1108                         button2 = _("Unmark");
1109                         button2_cb = partial_recv_unmark_clicked;
1110                         break;
1111                 default:
1112                         return;
1113                 }
1114         }
1115
1116         noticeview_set_text(noticeview, text);
1117         g_free(text);
1118         noticeview_set_button_text(noticeview, button1);
1119         noticeview_set_button_press_callback(noticeview,
1120                      GTK_SIGNAL_FUNC(button1_cb), (gpointer) msginfo);
1121
1122         noticeview_set_2ndbutton_text(noticeview, button2);
1123         noticeview_set_2ndbutton_press_callback(noticeview,
1124                      GTK_SIGNAL_FUNC(button2_cb), (gpointer) msginfo);
1125
1126         noticeview_show(noticeview);
1127 }
1128
1129 static void partial_recv_dload_clicked(NoticeView *noticeview,
1130                                        MsgInfo *msginfo)
1131 {
1132         if (partial_mark_for_download(msginfo) == 0) {
1133                 partial_recv_show(noticeview, msginfo);
1134         }
1135 }
1136
1137 static void partial_recv_del_clicked(NoticeView *noticeview,
1138                                        MsgInfo *msginfo)
1139 {
1140         if (partial_mark_for_delete(msginfo) == 0) {
1141                 partial_recv_show(noticeview, msginfo);
1142         }
1143 }
1144
1145 static void partial_recv_unmark_clicked(NoticeView *noticeview,
1146                                        MsgInfo *msginfo)
1147 {
1148         if (partial_unmark(msginfo) == 0) {
1149                 partial_recv_show(noticeview, msginfo);
1150         }
1151 }
1152
1153 static void select_account_cb(GtkWidget *w, gpointer data)
1154 {
1155         *(gint*)data = GPOINTER_TO_INT(gtk_object_get_user_data(GTK_OBJECT(w)));
1156 }
1157
1158 static PrefsAccount *select_account_from_list(GList *ac_list)
1159 {
1160         GtkWidget *optmenu;
1161         GtkWidget *menu;
1162         gint account_id;
1163
1164         g_return_val_if_fail(ac_list != NULL, NULL);
1165         g_return_val_if_fail(ac_list->data != NULL, NULL);
1166
1167         optmenu = gtk_option_menu_new();
1168         menu = gtkut_account_menu_new(ac_list,
1169                         G_CALLBACK(select_account_cb),
1170                         &account_id);
1171         if (!menu)
1172                 return NULL;
1173         gtk_option_menu_set_menu(GTK_OPTION_MENU(optmenu), menu);
1174         gtk_option_menu_set_history(GTK_OPTION_MENU(optmenu), 0);
1175         account_id = ((PrefsAccount *) ac_list->data)->account_id;
1176         if (alertpanel_with_widget(
1177                                 _("Return Receipt Notification"),
1178                                 _("The message was sent to several of your "
1179                                   "accounts.\n"
1180                                   "Please choose which account do you want to "
1181                                   "use for sending the receipt notification:"),
1182                                 _("Send Notification"), _("+Cancel"), NULL,
1183                                 optmenu) != G_ALERTDEFAULT)
1184                 return NULL;
1185         return account_find_from_id(account_id);
1186 }
1187
1188 /*
1189  * \brief return selected messageview text, when nothing is
1190  *        selected and message was filtered, return complete text
1191  *
1192  * \param  pointer to Messageview
1193  *
1194  * \return pointer to text (needs to be free'd by calling func)
1195  */
1196 gchar *messageview_get_selection(MessageView *msgview)
1197 {
1198         TextView *textview;
1199         gchar *text = NULL;
1200         GtkTextView *edit = NULL;
1201         GtkTextBuffer *textbuf;
1202         gint body_pos = 0;
1203
1204         g_return_val_if_fail(msgview != NULL, NULL);
1205
1206         textview = messageview_get_current_textview(msgview);
1207         g_return_val_if_fail(textview != NULL, NULL);
1208
1209         edit = GTK_TEXT_VIEW(textview->text);
1210         g_return_val_if_fail(edit != NULL, NULL);
1211         body_pos = textview->body_pos;
1212
1213         textbuf = gtk_text_view_get_buffer(edit);
1214
1215         if (gtk_text_buffer_get_selection_bounds(textbuf, NULL, NULL))
1216                 return gtkut_text_view_get_selection(edit);
1217         else if (msgview->filtered) {
1218                 GtkTextIter start_iter, end_iter;
1219                 gtk_text_buffer_get_iter_at_offset(textbuf, &start_iter, body_pos);
1220                 gtk_text_buffer_get_end_iter(textbuf, &end_iter);
1221                 gtk_text_buffer_get_text(textbuf, &start_iter, &end_iter, FALSE);
1222         } else
1223                 text = NULL;
1224
1225         return text;
1226 }
1227
1228 static void save_as_cb(gpointer data, guint action, GtkWidget *widget)
1229 {
1230         MessageView *messageview = (MessageView *)data;
1231         messageview_save_as(messageview);
1232 }
1233
1234 static void print_cb(gpointer data, guint action, GtkWidget *widget)
1235 {
1236         MessageView *messageview = (MessageView *)data;
1237         gchar *cmdline;
1238         gchar *p;
1239
1240         if (!messageview->msginfo) return;
1241
1242         cmdline = input_dialog(_("Print"),
1243                                _("Enter the print command line:\n"
1244                                  "(`%s' will be replaced with file name)"),
1245                                prefs_common.print_cmd);
1246         if (!cmdline) return;
1247         if (!(p = strchr(cmdline, '%')) || *(p + 1) != 's' ||
1248             strchr(p + 2, '%')) {
1249                 alertpanel_error(_("Print command line is invalid:\n`%s'"),
1250                                  cmdline);
1251                 g_free(cmdline);
1252                 return;
1253         }
1254
1255         procmsg_print_message(messageview->msginfo, cmdline);
1256         g_free(cmdline);
1257 }
1258
1259 static void close_cb(gpointer data, guint action, GtkWidget *widget)
1260 {
1261         MessageView *messageview = (MessageView *)data;
1262         gtk_widget_destroy(messageview->window);
1263 }
1264
1265 static void copy_cb(gpointer data, guint action, GtkWidget *widget)
1266 {
1267         MessageView *messageview = (MessageView *)data;
1268         messageview_copy_clipboard(messageview);
1269 }
1270
1271 static void allsel_cb(gpointer data, guint action, GtkWidget *widget)
1272 {
1273         MessageView *messageview = (MessageView *)data;
1274         messageview_select_all(messageview);
1275 }
1276
1277 static void search_cb(gpointer data, guint action, GtkWidget *widget)
1278 {
1279         MessageView *messageview = (MessageView *)data;
1280         message_search(messageview);
1281 }
1282
1283 static void set_charset_cb(gpointer data, guint action, GtkWidget *widget)
1284 {
1285         MessageView *messageview = (MessageView *)data;
1286         const gchar *charset;
1287
1288         if (GTK_CHECK_MENU_ITEM(widget)->active) {
1289                 charset = conv_get_charset_str((CharSet)action);
1290                 g_free(messageview->forced_charset);
1291                 messageview->forced_charset = g_strdup(charset);
1292                 messageview_show(messageview, messageview->msginfo, FALSE);
1293         }
1294 }
1295
1296 static void view_source_cb(gpointer data, guint action, GtkWidget *widget)
1297 {
1298         MessageView *messageview = (MessageView *)data;
1299         SourceWindow *srcwin;
1300
1301         if (!messageview->msginfo) return;
1302
1303         srcwin = source_window_create();
1304         source_window_show_msg(srcwin, messageview->msginfo);
1305         source_window_show(srcwin);
1306 }
1307
1308 static void show_all_header_cb(gpointer data, guint action, GtkWidget *widget)
1309 {
1310         MessageView *messageview = (MessageView *)data;
1311         MsgInfo *msginfo = messageview->msginfo;
1312
1313         if (!msginfo) return;
1314         messageview->msginfo = NULL;
1315         messageview_show(messageview, msginfo,
1316                          GTK_CHECK_MENU_ITEM(widget)->active);
1317         procmsg_msginfo_free(msginfo);
1318         main_window_set_menu_sensitive(messageview->mainwin);
1319 }
1320
1321 static void compose_cb(gpointer data, guint action, GtkWidget *widget)
1322 {
1323         MessageView *messageview = (MessageView *)data;
1324         PrefsAccount *ac = NULL;
1325         FolderItem *item = NULL;
1326
1327         if (messageview->msginfo)
1328                 item = messageview->msginfo->folder;
1329
1330         if (item) {
1331                 ac = account_find_from_item(item);
1332                 if (ac && ac->protocol == A_NNTP &&
1333                     item->stype == F_NEWS) {
1334                         compose_new(ac, item->path, NULL);
1335                         return;
1336                 }
1337         }
1338
1339         compose_new(ac, NULL, NULL);
1340 }
1341
1342 static void reply_cb(gpointer data, guint action, GtkWidget *widget)
1343 {
1344         MessageView *messageview = (MessageView *)data;
1345         GSList *mlist = NULL;
1346         MsgInfo *msginfo;
1347         gchar *text = NULL;
1348         ComposeMode mode = (ComposeMode)action;
1349         TextView *textview;
1350
1351         msginfo = messageview->msginfo;
1352         mlist = g_slist_append(NULL, msginfo);
1353
1354         textview = messageview_get_current_textview(messageview);
1355         text = gtkut_editable_get_selection
1356                 (GTK_EDITABLE(textview->text));
1357         if (text && *text == '\0') {
1358                 g_free(text);
1359                 text = NULL;
1360         }
1361
1362         switch (mode) {
1363         case COMPOSE_REPLY:
1364                 compose_reply(msginfo, prefs_common.reply_with_quote,
1365                               FALSE, prefs_common.default_reply_list, FALSE, text);
1366                 break;
1367         case COMPOSE_REPLY_WITH_QUOTE:
1368                 compose_reply(msginfo, TRUE, FALSE, prefs_common.default_reply_list, FALSE, text);
1369                 break;
1370         case COMPOSE_REPLY_WITHOUT_QUOTE:
1371                 compose_reply(msginfo, FALSE, FALSE, prefs_common.default_reply_list, FALSE, NULL);
1372                 break;
1373         case COMPOSE_REPLY_TO_SENDER:
1374                 compose_reply(msginfo, prefs_common.reply_with_quote,
1375                               FALSE, FALSE, TRUE, text);
1376                 break;
1377         case COMPOSE_FOLLOWUP_AND_REPLY_TO:
1378                 compose_followup_and_reply_to(msginfo,
1379                                               prefs_common.reply_with_quote,
1380                                               FALSE, FALSE, text);
1381                 break;
1382         case COMPOSE_REPLY_TO_SENDER_WITH_QUOTE:
1383                 compose_reply(msginfo, TRUE, FALSE, FALSE, TRUE, text);
1384                 break;
1385         case COMPOSE_REPLY_TO_SENDER_WITHOUT_QUOTE:
1386                 compose_reply(msginfo, FALSE, FALSE, FALSE, TRUE, NULL);
1387                 break;
1388         case COMPOSE_REPLY_TO_ALL:
1389                 compose_reply(msginfo, prefs_common.reply_with_quote,
1390                               TRUE, FALSE, FALSE, text);
1391                 break;
1392         case COMPOSE_REPLY_TO_ALL_WITH_QUOTE:
1393                 compose_reply(msginfo, TRUE, TRUE, FALSE, FALSE, text);
1394                 break;
1395         case COMPOSE_REPLY_TO_ALL_WITHOUT_QUOTE:
1396                 compose_reply(msginfo, FALSE, TRUE, FALSE, FALSE, NULL);
1397                 break;
1398         case COMPOSE_REPLY_TO_LIST:
1399                 compose_reply(msginfo, prefs_common.reply_with_quote,
1400                               FALSE, TRUE, FALSE, text);
1401                 break;
1402         case COMPOSE_REPLY_TO_LIST_WITH_QUOTE:
1403                 compose_reply(msginfo, TRUE, FALSE, TRUE, FALSE, text);
1404                 break;
1405         case COMPOSE_REPLY_TO_LIST_WITHOUT_QUOTE:
1406                 compose_reply(msginfo, FALSE, FALSE, TRUE, FALSE, NULL);
1407                 break;
1408         case COMPOSE_FORWARD:
1409                 if (prefs_common.forward_as_attachment) {
1410                         compose_reply_mode(COMPOSE_FORWARD_AS_ATTACH, mlist, text);
1411                         return;
1412                 } else {
1413                         compose_reply_mode(COMPOSE_FORWARD_INLINE, mlist, text);
1414                         return;
1415                 }
1416                 break;
1417         case COMPOSE_FORWARD_INLINE:
1418                 compose_forward(NULL, msginfo, FALSE, text, FALSE);
1419                 break;
1420         case COMPOSE_FORWARD_AS_ATTACH:
1421                 compose_forward_multiple(NULL, mlist);
1422                 break;
1423         case COMPOSE_REDIRECT:
1424                 compose_redirect(NULL, msginfo);
1425                 break;
1426         default:
1427                 g_warning("compose_reply(): invalid Compose Mode: %d\n", mode);
1428         }
1429
1430         /* summary_set_marks_selected(summaryview); */
1431         g_free(text);
1432         g_slist_free(mlist);
1433 }
1434
1435 static void reedit_cb(gpointer data, guint action, GtkWidget *widget)
1436 {
1437         MessageView *messageview = (MessageView *)data;
1438         MsgInfo *msginfo;
1439
1440         if (!messageview->msginfo) return;
1441         msginfo = messageview->msginfo;
1442         if (!msginfo->folder) return;
1443         if (msginfo->folder->stype != F_OUTBOX &&
1444             msginfo->folder->stype != F_DRAFT &&
1445             msginfo->folder->stype != F_QUEUE) return;
1446
1447         compose_reedit(msginfo);
1448 }
1449
1450 static void addressbook_open_cb(gpointer data, guint action, GtkWidget *widget)
1451 {
1452         addressbook_open(NULL);
1453 }
1454
1455 static void add_address_cb(gpointer data, guint action, GtkWidget *widget)
1456 {
1457         MessageView *messageview = (MessageView *)data;
1458         MsgInfo *msginfo;
1459         gchar *from;
1460
1461         if (!messageview->msginfo) return;
1462         msginfo = messageview->msginfo;
1463         Xstrdup_a(from, msginfo->from, return);
1464         eliminate_address_comment(from);
1465         extract_address(from);
1466         addressbook_add_contact(msginfo->fromname, from, NULL);
1467 }
1468
1469 static void create_filter_cb(gpointer data, guint action, GtkWidget *widget)
1470 {
1471         MessageView *messageview = (MessageView *)data;
1472         FolderItem * item;
1473
1474         if (!messageview->msginfo) return;
1475
1476         item = messageview->msginfo->folder;
1477         summary_msginfo_filter_open(item,  messageview->msginfo,
1478                                     (PrefsFilterType)action, 0);
1479 }
1480
1481 static void create_processing_cb(gpointer data, guint action,
1482                                  GtkWidget *widget)
1483 {
1484         MessageView *messageview = (MessageView *)data;
1485         FolderItem * item;
1486
1487         if (!messageview->msginfo) return;
1488
1489         item = messageview->msginfo->folder;
1490         summary_msginfo_filter_open(item,  messageview->msginfo,
1491                                     (PrefsFilterType)action, 1);
1492 }
1493
1494 static void about_cb(gpointer data, guint action, GtkWidget *widget)
1495 {
1496         about_show();
1497 }
1498
1499 static gboolean messageview_update_msg(gpointer source, gpointer data)
1500 {
1501         MsgInfoUpdate *msginfo_update = (MsgInfoUpdate *) source;
1502         MessageView *messageview = (MessageView *)data;
1503
1504         if (messageview->msginfo != msginfo_update->msginfo)
1505                 return FALSE;
1506
1507         if (msginfo_update->flags & MSGINFO_UPDATE_DELETED) {
1508                 messageview_clear(messageview);
1509                 messageview_update(messageview);
1510         }
1511
1512         return FALSE;
1513 }
1514
1515 void messageview_set_menu_sensitive(MessageView *messageview)
1516 {
1517         GtkItemFactory *ifactory;
1518         GtkWidget *menuitem;
1519
1520         if (!messageview && !messageview->new_window)
1521                 return;
1522         /* do some smart things */
1523         if (!messageview->menubar) return;
1524         ifactory = gtk_item_factory_from_widget(messageview->menubar);
1525         if (!ifactory) return;
1526         if (messageview->mainwin->type == SEPARATE_MESSAGE) {
1527                 menuitem = gtk_item_factory_get_widget(ifactory, "/View/Show all headers");
1528                 gtk_check_menu_item_set_active
1529                         (GTK_CHECK_MENU_ITEM(menuitem),
1530                          messageview->mimeview->textview->show_all_headers);
1531         }
1532 }