src/messageview.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 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <glib/gi18n.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <gtk/gtkvbox.h>
  26 #include <gtk/gtkcontainer.h>
  27 #include <gtk/gtkwindow.h>
  28 #include <gtk/gtktext.h>
  29 #include <gtk/gtkmenu.h>
  30 #include <gtk/gtkmenuitem.h>
  31 #include <stdio.h>
  32 #include <ctype.h>
  33 #include <string.h>
  34
  35 #include "main.h"
  36 #include "messageview.h"
  37 #include "message_search.h"
  38 #include "headerview.h"
  39 #include "summaryview.h"
  40 #include "textview.h"
  41 #include "mimeview.h"
  42 #include "menu.h"
  43 #include "about.h"
  44 #include "filesel.h"
  45 #include "sourcewindow.h"
  46 #include "addressbook.h"
  47 #include "alertpanel.h"
  48 #include "inputdialog.h"
  49 #include "mainwindow.h"
  50 #include "manage_window.h"
  51 #include "procmsg.h"
  52 #include "procheader.h"
  53 #include "procmime.h"
  54 #include "account.h"
  55 #include "action.h"
  56 #include "prefs_common.h"
  57 #include "prefs_account.h"
  58 #include "gtkutils.h"
  59 #include "utils.h"
  60 #include "send_message.h"
  61 #include "stock_pixmap.h"
  62 #include "hooks.h"
  63 #include "filtering.h"
  64 #include "partial_download.h"
  65 #include "gedit-print.h"
  66 #include "inc.h"
  67 #include "log.h"
  68
  69 static GList *messageview_list = NULL;
  70
  71 static gint messageview_delete_cb       (GtkWidget              *widget,
  72                                          GdkEventAny            *event,
  73                                          MessageView            *messageview);
  74 static void messageview_size_allocate_cb(GtkWidget      *widget,
  75                                          GtkAllocation  *allocation);
  76 static gboolean key_pressed             (GtkWidget      *widget,
  77                                          GdkEventKey    *event,
  78                                          MessageView    *messageview);
  79
  80 static void return_receipt_show         (NoticeView     *noticeview,
  81                                          MsgInfo        *msginfo);
  82 static void return_receipt_send_clicked (NoticeView     *noticeview,
  83                                          MsgInfo        *msginfo);
  84 static void partial_recv_show           (NoticeView     *noticeview,
  85                                          MsgInfo        *msginfo);
  86 static void partial_recv_dload_clicked  (NoticeView     *noticeview,
  87                                          MsgInfo        *msginfo);
  88 static void partial_recv_del_clicked    (NoticeView     *noticeview,
  89                                          MsgInfo        *msginfo);
  90 static void partial_recv_unmark_clicked (NoticeView     *noticeview,
  91                                          MsgInfo        *msginfo);
  92 static void save_as_cb                  (gpointer        data,
  93                                          guint           action,
  94                                          GtkWidget      *widget);
  95 static void print_cb                    (gpointer        data,
  96                                          guint           action,
  97                                          GtkWidget      *widget);
  98 static void close_cb                    (gpointer        data,
  99                                          guint           action,
 100                                          GtkWidget      *widget);
 101 static void copy_cb                     (gpointer        data,
 102                                          guint           action,
 103                                          GtkWidget      *widget);
 104 static void allsel_cb                   (gpointer        data,
 105                                          guint           action,
 106                                          GtkWidget      *widget);
 107 static void search_cb                   (gpointer        data,
 108                                          guint           action,
 109                                          GtkWidget      *widget);
 110
 111 static void set_charset_cb              (gpointer        data,
 112                                          guint           action,
 113                                          GtkWidget      *widget);
 114 static void set_decode_cb               (gpointer        data,
 115                                          guint           action,
 116                                          GtkWidget      *widget);
 117 static void view_source_cb              (gpointer        data,
 118                                          guint           action,
 119                                          GtkWidget      *widget);
 120 static void show_all_header_cb          (gpointer        data,
 121                                          guint           action,
 122                                          GtkWidget      *widget);
 123 static void msg_hide_quotes_cb          (gpointer        data,
 124                                          guint           action,
 125                                          GtkWidget      *widget);
 126
 127 static void compose_cb                  (gpointer        data,
 128                                          guint           action,
 129                                          GtkWidget      *widget);
 130 static void reply_cb                    (gpointer        data,
 131                                          guint           action,
 132                                          GtkWidget      *widget);
 133
 134 static PrefsAccount *select_account_from_list
 135                                         (GList          *ac_list);
 136 static void addressbook_open_cb         (gpointer        data,
 137                                          guint           action,
 138                                          GtkWidget      *widget);
 139 static void add_address_cb              (gpointer        data,
 140                                          guint           action,
 141                                          GtkWidget      *widget);
 142 static void create_filter_cb            (gpointer        data,
 143                                          guint           action,
 144                                          GtkWidget      *widget);
 145 static void create_processing_cb        (gpointer        data,
 146                                          guint           action,
 147                                          GtkWidget      *widget);
 148
 149 static void about_cb                    (gpointer        data,
 150                                          guint           action,
 151                                          GtkWidget      *widget);
 152 static void messageview_update          (MessageView *msgview);
 153 static gboolean messageview_update_msg  (gpointer source, gpointer data);
 154
 155 static GList *msgview_list = NULL;
 156 static GtkItemFactoryEntry msgview_entries[] =
 157 {
 158         {N_("/_File"),                  NULL, NULL, 0, "<Branch>"},
 159         {N_("/_File/_Save as..."),      "<control>S", save_as_cb, 0, NULL},
 160         {N_("/_File/_Print..."),        "<control>P", print_cb, 0, NULL},
 161         {N_("/_File/---"),              NULL, NULL, 0, "<Separator>"},
 162         {N_("/_File/_Close"),           "<control>W", close_cb, 0, NULL},
 163
 164         {N_("/_Edit"),                  NULL, NULL, 0, "<Branch>"},
 165         {N_("/_Edit/_Copy"),            "<control>C", copy_cb, 0, NULL},
 166         {N_("/_Edit/Select _all"),      "<control>A", allsel_cb, 0, NULL},
 167         {N_("/_Edit/---"),              NULL, NULL, 0, "<Separator>"},
 168         {N_("/_Edit/_Find in current message..."),
 169                                         "<control>F", search_cb, 0, NULL},
 170
 171         {N_("/_View"),                  NULL, NULL, 0, "<Branch>"},
 172
 173 #define ENC_SEPARATOR \
 174         {N_("/_View/Character _encoding/---"),  NULL, NULL, 0, "<Separator>"}
 175 #define ENC_ACTION(action) \
 176         NULL, set_charset_cb, action, "/View/Character encoding/Auto detect"
 177
 178         {N_("/_View/Character _encoding"),      NULL, NULL, 0, "<Branch>"},
 179         {N_("/_View/Character _encoding/_Auto detect"),
 180                                         NULL, set_charset_cb, C_AUTO, "<RadioItem>"},
 181         ENC_SEPARATOR,
 182         {N_("/_View/Character _encoding/7bit ascii (US-ASC_II)"),
 183          ENC_ACTION(C_US_ASCII)},
 184
 185         {N_("/_View/Character _encoding/Unicode (_UTF-8)"),
 186          ENC_ACTION(C_UTF_8)},
 187         ENC_SEPARATOR,
 188         {N_("/_View/Character _encoding/Western European (ISO-8859-_1)"),
 189          ENC_ACTION(C_ISO_8859_1)},
 190         {N_("/_View/Character _encoding/Western European (ISO-8859-15)"),
 191          ENC_ACTION(C_ISO_8859_15)},
 192         {N_("/_View/Character _encoding/Western European (Windows-1252)"),
 193          ENC_ACTION(C_WINDOWS_1252)},
 194         ENC_SEPARATOR,
 195         {N_("/_View/Character _encoding/Central European (ISO-8859-_2)"),
 196          ENC_ACTION(C_ISO_8859_2)},
 197         ENC_SEPARATOR,
 198         {N_("/_View/Character _encoding/_Baltic (ISO-8859-13)"),
 199          ENC_ACTION(C_ISO_8859_13)},
 200         {N_("/_View/Character _encoding/Baltic (ISO-8859-_4)"),
 201          ENC_ACTION(C_ISO_8859_4)},
 202         ENC_SEPARATOR,
 203         {N_("/_View/Character _encoding/Greek (ISO-8859-_7)"),
 204          ENC_ACTION(C_ISO_8859_7)},
 205         ENC_SEPARATOR,
 206         {N_("/_View/Character _encoding/Hebrew (ISO-8859-_8)"),
 207          ENC_ACTION(C_ISO_8859_8)},
 208         {N_("/_View/Character _encoding/Hebrew (Windows-1255)"),
 209          ENC_ACTION(C_CP1255)},
 210         ENC_SEPARATOR,
 211         {N_("/_View/Character _encoding/Arabic (ISO-8859-_6)"),
 212          ENC_ACTION(C_ISO_8859_6)},
 213         {N_("/_View/Character _encoding/Arabic (Windows-1256)"),
 214          ENC_ACTION(C_CP1256)},
 215         ENC_SEPARATOR,
 216         {N_("/_View/Character _encoding/Turkish (ISO-8859-_9)"),
 217          ENC_ACTION(C_ISO_8859_9)},
 218         ENC_SEPARATOR,
 219         {N_("/_View/Character _encoding/Cyrillic (ISO-8859-_5)"),
 220          ENC_ACTION(C_ISO_8859_5)},
 221         {N_("/_View/Character _encoding/Cyrillic (KOI8-_R)"),
 222          ENC_ACTION(C_KOI8_R)},
 223         {N_("/_View/Character _encoding/Cyrillic (KOI8-U)"),
 224          ENC_ACTION(C_KOI8_U)},
 225         {N_("/_View/Character _encoding/Cyrillic (Windows-1251)"),
 226          ENC_ACTION(C_CP1251)},
 227         ENC_SEPARATOR,
 228         {N_("/_View/Character _encoding/Japanese (ISO-2022-_JP)"),
 229          ENC_ACTION(C_ISO_2022_JP)},
 230         {N_("/_View/Character _encoding/Japanese (ISO-2022-JP-2)"),
 231          ENC_ACTION(C_ISO_2022_JP_2)},
 232         {N_("/_View/Character _encoding/Japanese (_EUC-JP)"),
 233          ENC_ACTION(C_EUC_JP)},
 234         {N_("/_View/Character _encoding/Japanese (_Shift__JIS)"),
 235          ENC_ACTION(C_SHIFT_JIS)},
 236         ENC_SEPARATOR,
 237         {N_("/_View/Character _encoding/Simplified Chinese (_GB2312)"),
 238          ENC_ACTION(C_GB2312)},
 239         {N_("/_View/Character _encoding/Simplified Chinese (GBK)"),
 240          ENC_ACTION(C_GBK)},
 241         {N_("/_View/Character _encoding/Traditional Chinese (_Big5)"),
 242          ENC_ACTION(C_BIG5)},
 243         {N_("/_View/Character _encoding/Traditional Chinese (EUC-_TW)"),
 244          ENC_ACTION(C_EUC_TW)},
 245         {N_("/_View/Character _encoding/Chinese (ISO-2022-_CN)"),
 246          ENC_ACTION(C_ISO_2022_CN)},
 247         ENC_SEPARATOR,
 248         {N_("/_View/Character _encoding/Korean (EUC-_KR)"),
 249          ENC_ACTION(C_EUC_KR)},
 250         {N_("/_View/Character _encoding/Korean (ISO-2022-KR)"),
 251          ENC_ACTION(C_ISO_2022_KR)},
 252         ENC_SEPARATOR,
 253         {N_("/_View/Character _encoding/Thai (TIS-620)"),
 254          ENC_ACTION(C_TIS_620)},
 255         {N_("/_View/Character _encoding/Thai (Windows-874)"),
 256          ENC_ACTION(C_WINDOWS_874)},
 257
 258 #undef ENC_SEPARATOR
 259 #undef ENC_ACTION
 260
 261 #define DEC_SEPARATOR \
 262         {N_("/_View/Decode/---"),               NULL, NULL, 0, "<Separator>"}
 263 #define DEC_ACTION(action) \
 264          NULL, set_decode_cb, action, "/View/Decode/Auto detect"
 265         {N_("/_View/Decode"),           NULL, NULL, 0, "<Branch>"},
 266         {N_("/_View/Decode/_Auto detect"),
 267          NULL, set_decode_cb, 0, "<RadioItem>"},
 268         {N_("/_View/Decode/---"),               NULL, NULL, 0, "<Separator>"},
 269         {N_("/_View/Decode/_8bit"),             DEC_ACTION(ENC_8BIT)},
 270         {N_("/_View/Decode/_Quoted printable"), DEC_ACTION(ENC_QUOTED_PRINTABLE)},
 271         {N_("/_View/Decode/_Base64"),           DEC_ACTION(ENC_BASE64)},
 272         {N_("/_View/Decode/_Uuencode"),         DEC_ACTION(ENC_X_UUENCODE)},
 273
 274 #undef DEC_SEPARATOR
 275 #undef DEC_ACTION
 276
 277         {N_("/_View/---"),              NULL, NULL, 0, "<Separator>"},
 278         {N_("/_View/Mess_age source"),  "<control>U", view_source_cb, 0, NULL},
 279         {N_("/_View/Show all _headers"),"<control>H", show_all_header_cb, 0, "<ToggleItem>"},
 280         {N_("/_View/Quotes"),                   NULL, NULL, 0, "<Branch>"},
 281         {N_("/_View/Quotes/_Fold all"),         "<control><shift>Q", msg_hide_quotes_cb, 1, "<ToggleItem>"},
 282         {N_("/_View/Quotes/Fold from level _2"),NULL, msg_hide_quotes_cb, 2, "<ToggleItem>"},
 283         {N_("/_View/Quotes/Fold from level _3"),NULL, msg_hide_quotes_cb, 3, "<ToggleItem>"},
 284
 285         {N_("/_Message"),               NULL, NULL, 0, "<Branch>"},
 286         {N_("/_Message/Compose _new message"),
 287                                         "<control>M", compose_cb, 0, NULL},
 288         {N_("/_Message/---"),           NULL, NULL, 0, "<Separator>"},
 289         {N_("/_Message/_Reply"),        "<control>R", reply_cb, COMPOSE_REPLY, NULL},
 290         {N_("/_Message/Repl_y to/_all"),
 291                                         "<control><shift>R", reply_cb, COMPOSE_REPLY_TO_ALL, NULL},
 292         {N_("/_Message/Repl_y to/_sender"),
 293                                         NULL, reply_cb, COMPOSE_REPLY_TO_SENDER, NULL},
 294         {N_("/_Message/Repl_y to/mailing _list"),
 295                                         "<control>L", reply_cb, COMPOSE_REPLY_TO_LIST, NULL},
 296         {N_("/_Message/---"),           NULL, NULL, 0, "<Separator>"},
 297         {N_("/_Message/_Forward"),      "<control><alt>F", reply_cb, COMPOSE_FORWARD_INLINE, NULL},
 298         {N_("/_Message/For_ward as attachment"),
 299                                         NULL, reply_cb, COMPOSE_FORWARD_AS_ATTACH, NULL},
 300         {N_("/_Message/Redirec_t"),     NULL, reply_cb, COMPOSE_REDIRECT, NULL},
 301
 302         {N_("/_Tools"),                 NULL, NULL, 0, "<Branch>"},
 303         {N_("/_Tools/_Address book"),   "<control><shift>A", addressbook_open_cb, 0, NULL},
 304         {N_("/_Tools/Add sender to address boo_k"),
 305                                         NULL, add_address_cb, 0, NULL},
 306         {N_("/_Tools/---"),             NULL, NULL, 0, "<Separator>"},
 307         {N_("/_Tools/_Create filter rule"),
 308                                         NULL, NULL, 0, "<Branch>"},
 309         {N_("/_Tools/_Create filter rule/_Automatically"),
 310                                         NULL, create_filter_cb, FILTER_BY_AUTO, NULL},
 311         {N_("/_Tools/_Create filter rule/by _From"),
 312                                         NULL, create_filter_cb, FILTER_BY_FROM, NULL},
 313         {N_("/_Tools/_Create filter rule/by _To"),
 314                                         NULL, create_filter_cb, FILTER_BY_TO, NULL},
 315         {N_("/_Tools/_Create filter rule/by _Subject"),
 316                                         NULL, create_filter_cb, FILTER_BY_SUBJECT, NULL},
 317         {N_("/_Tools/Create processing rule"),
 318                                         NULL, NULL, 0, "<Branch>"},
 319         {N_("/_Tools/Create processing rule/_Automatically"),
 320                                         NULL, create_processing_cb, FILTER_BY_AUTO, NULL},
 321         {N_("/_Tools/Create processing rule/by _From"),
 322                                         NULL, create_processing_cb, FILTER_BY_FROM, NULL},
 323         {N_("/_Tools/Create processing rule/by _To"),
 324                                         NULL, create_processing_cb, FILTER_BY_TO, NULL},
 325         {N_("/_Tools/Create processing rule/by _Subject"),
 326                                         NULL, create_processing_cb, FILTER_BY_SUBJECT, NULL},
 327         {N_("/_Tools/---"),             NULL, NULL, 0, "<Separator>"},
 328         {N_("/_Tools/Actio_ns"),        NULL, NULL, 0, "<Branch>"},
 329
 330         {N_("/_Help"),                  NULL, NULL, 0, "<Branch>"},
 331         {N_("/_Help/_About"),           NULL, about_cb, 0, NULL}
 332 };
 333
 334 MessageView *messageview_create(MainWindow *mainwin)
 335 {
 336         MessageView *messageview;
 337         GtkWidget *vbox;
 338         HeaderView *headerview;
 339         MimeView *mimeview;
 340         NoticeView *noticeview;
 341
 342         debug_print("Creating message view...\n");
 343         messageview = g_new0(MessageView, 1);
 344
 345         headerview = headerview_create();
 346
 347         noticeview = noticeview_create(mainwin);
 348
 349         mimeview = mimeview_create(mainwin);
 350         mimeview->textview = textview_create();
 351         mimeview->textview->messageview = messageview;
 352         mimeview->messageview = messageview;
 353
 354         vbox = gtk_vbox_new(FALSE, 0);
 355         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET_PTR(headerview),
 356                            FALSE, FALSE, 0);
 357         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET_PTR(noticeview),
 358                            FALSE, FALSE, 0);
 359         gtk_box_pack_start(GTK_BOX(vbox),
 360                            GTK_WIDGET_PTR(mimeview), TRUE, TRUE, 0);
 361         gtk_widget_show(vbox);
 362
 363         messageview->vbox        = vbox;
 364         messageview->new_window  = FALSE;
 365         messageview->window      = NULL;
 366         messageview->headerview  = headerview;
 367         messageview->mimeview    = mimeview;
 368         messageview->noticeview = noticeview;
 369         messageview->mainwin    = mainwin;
 370
 371         messageview->statusbar     = NULL;
 372         messageview->statusbar_cid = 0;
 373
 374         messageview->msginfo_update_callback_id =
 375                 hooks_register_hook(MSGINFO_UPDATE_HOOKLIST, messageview_update_msg, (gpointer) messageview);
 376
 377         return messageview;
 378 }
 379
 380 GList *messageview_get_msgview_list(void)
 381 {
 382         return msgview_list;
 383 }
 384
 385 void messageview_update_actions_menu(MessageView *msgview)
 386 {
 387         GtkItemFactory *ifactory;
 388
 389         /* Messages opened in a new window do not have a menu bar */
 390         if (msgview->menubar == NULL)
 391                 return;
 392         ifactory = gtk_item_factory_from_widget(msgview->menubar);
 393         action_update_msgview_menu(ifactory, "/Tools/Actions", msgview);
 394 }
 395
 396 void messageview_add_toolbar(MessageView *msgview, GtkWidget *window)
 397 {
 398         GtkWidget *handlebox;
 399         GtkWidget *vbox;
 400         GtkWidget *menubar;
 401         GtkWidget *statusbar;
 402         guint n_menu_entries;
 403
 404         vbox = gtk_vbox_new(FALSE, 0);
 405         gtk_widget_show(vbox);
 406         gtk_container_add(GTK_CONTAINER(window), vbox);
 407
 408         n_menu_entries = sizeof(msgview_entries) / sizeof(msgview_entries[0]);
 409         menubar = menubar_create(window, msgview_entries,
 410                                  n_menu_entries, "<MessageView>", msgview);
 411         gtk_widget_show(menubar);
 412         gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, TRUE, 0);
 413
 414         if (prefs_common.toolbar_detachable) {
 415                 handlebox = gtk_handle_box_new();
 416         } else {
 417                 handlebox = gtk_hbox_new(FALSE, 0);
 418         }
 419         gtk_box_pack_start(GTK_BOX(vbox), handlebox, FALSE, FALSE, 0);
 420         gtk_widget_realize(handlebox);
 421         msgview->toolbar = toolbar_create(TOOLBAR_MSGVIEW, handlebox,
 422                                           (gpointer)msgview);
 423
 424         statusbar = gtk_statusbar_new();
 425         gtk_widget_show(statusbar);
 426         gtk_box_pack_end(GTK_BOX(vbox), statusbar, FALSE, FALSE, 0);
 427         msgview->statusbar = statusbar;
 428         msgview->statusbar_cid = gtk_statusbar_get_context_id
 429                 (GTK_STATUSBAR(statusbar), "Message View");
 430
 431         msgview->handlebox = handlebox;
 432         msgview->menubar   = menubar;
 433
 434         gtk_container_add(GTK_CONTAINER(vbox),
 435                           GTK_WIDGET_PTR(msgview));
 436
 437         messageview_update_actions_menu(msgview);
 438
 439         msgview_list = g_list_append(msgview_list, msgview);
 440 }
 441
 442 static MessageView *messageview_create_with_new_window_visible(MainWindow *mainwin, gboolean show)
 443 {
 444         MessageView *msgview;
 445         GtkWidget *window;
 446         static GdkGeometry geometry;
 447
 448         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 449         gtk_window_set_title(GTK_WINDOW(window), _("Sylpheed-Claws - Message View"));
 450         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 451
 452         if (!geometry.min_height) {
 453                 geometry.min_width = 320;
 454                 geometry.min_height = 200;
 455         }
 456         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 457                                       GDK_HINT_MIN_SIZE);
 458
 459         gtk_widget_set_size_request(window, prefs_common.msgwin_width,
 460                                     prefs_common.msgwin_height);
 461
 462         msgview = messageview_create(mainwin);
 463
 464         g_signal_connect(G_OBJECT(window), "size_allocate",
 465                          G_CALLBACK(messageview_size_allocate_cb),
 466                          msgview);
 467         g_signal_connect(G_OBJECT(window), "delete_event",
 468                          G_CALLBACK(messageview_delete_cb), msgview);
 469         g_signal_connect(G_OBJECT(window), "key_press_event",
 470                          G_CALLBACK(key_pressed), msgview);
 471
 472         messageview_add_toolbar(msgview, window);
 473
 474         if (show) {
 475                 gtk_widget_grab_focus(msgview->mimeview->textview->text);
 476                 gtk_widget_show(window);
 477         } else {
 478                 gtk_widget_realize(window);
 479         }
 480
 481         msgview->new_window = TRUE;
 482         msgview->window = window;
 483         msgview->visible = TRUE;
 484
 485         toolbar_set_style(msgview->toolbar->toolbar, msgview->handlebox,
 486                           prefs_common.toolbar_style);
 487         messageview_init(msgview);
 488
 489         return msgview;
 490 }
 491
 492 MessageView *messageview_create_with_new_window(MainWindow *mainwin)
 493 {
 494         return messageview_create_with_new_window_visible(mainwin, TRUE);
 495 }
 496 void messageview_init(MessageView *messageview)
 497 {
 498         headerview_init(messageview->headerview);
 499         mimeview_init(messageview->mimeview);
 500         /*messageview_set_font(messageview);*/
 501
 502         noticeview_hide(messageview->noticeview);
 503 }
 504
 505 static void notification_convert_header(gchar *dest, gint len,
 506                                         const gchar *src_,
 507                                         gint header_len)
 508 {
 509         char *src;
 510
 511         g_return_if_fail(src_ != NULL);
 512         g_return_if_fail(dest != NULL);
 513
 514         if (len < 1) return;
 515
 516         Xstrndup_a(src, src_, len, return);
 517
 518         remove_return(src);
 519
 520         if (is_ascii_str(src)) {
 521                 strncpy2(dest, src, len);
 522                 dest[len - 1] = '\0';
 523                 return;
 524         } else
 525                 conv_encode_header(dest, len, src, header_len, FALSE);
 526 }
 527
 528 static gint disposition_notification_send(MsgInfo *msginfo)
 529 {
 530         gchar buf[BUFFSIZE];
 531         gchar tmp[MAXPATHLEN + 1];
 532         FILE *fp;
 533         GList *ac_list;
 534         PrefsAccount *account = NULL;
 535         gint ok;
 536         gchar *to;
 537         FolderItem *queue, *outbox;
 538         gint num;
 539         gchar *path;
 540         gchar *addr;
 541         gchar *addrp;
 542         gchar *foo = NULL;
 543         if (!msginfo->extradata)
 544                 return -1;
 545         if (!msginfo->extradata->returnreceiptto &&
 546             !msginfo->extradata->dispositionnotificationto)
 547                 return -1;
 548
 549         /* RFC2298: Test for Return-Path */
 550         if (msginfo->extradata->dispositionnotificationto)
 551                 to = msginfo->extradata->dispositionnotificationto;
 552         else
 553                 to = msginfo->extradata->returnreceiptto;
 554
 555         ok = procheader_get_header_from_msginfo(msginfo, buf, sizeof(buf),
 556                                 "Return-Path:");
 557         if (ok == 0) {
 558                 gchar *to_addr = g_strdup(to);
 559                 extract_address(to_addr);
 560                 extract_address(buf);
 561                 ok = strcasecmp(to_addr, buf);
 562                 g_free(to_addr);
 563         } else {
 564                 strncpy(buf, _("<No Return-Path found>"),
 565                                 sizeof(buf));
 566         }
 567
 568         if (ok != 0) {
 569                 AlertValue val;
 570                 gchar *message;
 571                 message = g_strdup_printf(
 572                   _("The notification address to which the return receipt is\n"
 573                     "to be sent does not correspond to the return path:\n"
 574                     "Notification address: %s\n"
 575                     "Return path: %s\n"
 576                     "It is advised to not to send the return receipt."),
 577                   to, buf);
 578                 val = alertpanel_full(_("Warning"), message,
 579                                 _("_Don't Send"), _("_Send"), NULL, FALSE,
 580                                 NULL, ALERT_WARNING, G_ALERTDEFAULT);
 581                 g_free(message);
 582                 if (val != G_ALERTALTERNATE)
 583                         return -1;
 584         }
 585
 586         ac_list = account_find_all_from_address(NULL, msginfo->to);
 587         ac_list = account_find_all_from_address(ac_list, msginfo->cc);
 588
 589         if (ac_list == NULL) {
 590                 AlertValue val =
 591                 alertpanel_full(_("Warning"),
 592                   _("This message is asking for a return receipt notification\n"
 593                     "but according to its 'To:' and 'CC:' headers it was not\n"
 594                     "officially addressed to you.\n"
 595                     "It is advised to not to send the return receipt."),
 596                   _("_Don't Send"), _("_Send"), NULL, FALSE,
 597                   NULL, ALERT_WARNING, G_ALERTDEFAULT);
 598                 if (val != G_ALERTALTERNATE)
 599                         return -1;
 600         }
 601
 602         if (g_list_length(ac_list) > 1) {
 603                 if ((account = select_account_from_list(ac_list)) == NULL)
 604                         return -1;
 605         }
 606         else if (ac_list != NULL)
 607                 account = (PrefsAccount *) ac_list->data;
 608         g_list_free(ac_list);
 609
 610         if (account == NULL)
 611                 account = account_get_default();
 612         if (!account || account->protocol == A_NNTP) {
 613                 alertpanel_error(_("Account for sending mail is not specified.\n"
 614                                    "Please select a mail account before sending."));
 615                 return -1;
 616         }
 617
 618         /* write to temporary file */
 619         g_snprintf(tmp, sizeof(tmp), "%s%ctmpmsg%d",
 620                    get_rc_dir(), G_DIR_SEPARATOR, (gint)msginfo);
 621
 622         if ((fp = g_fopen(tmp, "wb")) == NULL) {
 623                 FILE_OP_ERROR(tmp, "fopen");
 624                 return -1;
 625         }
 626
 627         /* chmod for security */
 628         if (change_file_mode_rw(fp, tmp) < 0) {
 629                 FILE_OP_ERROR(tmp, "chmod");
 630                 g_warning("can't change file mode\n");
 631         }
 632
 633         addr = g_strdup(to);
 634
 635         extract_address(addr);
 636         addrp = addr;
 637
 638         /* write queue headers */
 639         fprintf(fp, "AF:\n");
 640         fprintf(fp, "NF:0\n");
 641         fprintf(fp, "PS:10\n");
 642         fprintf(fp, "SRH:1\n");
 643         fprintf(fp, "SFN:\n");
 644         fprintf(fp, "DSR:\n");
 645         fprintf(fp, "MID:\n");
 646         fprintf(fp, "CFG:\n");
 647         fprintf(fp, "PT:0\n");
 648         fprintf(fp, "S:%s\n", account->address);
 649         fprintf(fp, "RQ:\n");
 650         if (account->smtp_server)
 651                 fprintf(fp, "SSV:%s\n", account->smtp_server);
 652         else
 653                 fprintf(fp, "SSV:\n");
 654         fprintf(fp, "SSH:\n");
 655         fprintf(fp, "R:<%s>\n", addrp);
 656
 657         g_free(addrp);
 658
 659         /* check whether we need to save the message */
 660         outbox = account_get_special_folder(account, F_OUTBOX);
 661         if (folder_get_default_outbox() == outbox && !prefs_common.savemsg)
 662                 outbox = NULL;
 663         if (outbox) {
 664                 path = folder_item_get_identifier(outbox);
 665                 fprintf(fp, "SCF:%s\n", path);
 666                 g_free(path);
 667         }
 668
 669         fprintf(fp, "X-Sylpheed-End-Special-Headers: 1\n");
 670
 671         /* Date */
 672         get_rfc822_date(buf, sizeof(buf));
 673         fprintf(fp, "Date: %s\n", buf);
 674
 675         /* From */
 676         if (account->name && *account->name) {
 677                 notification_convert_header
 678                         (buf, sizeof(buf), account->name,
 679                          strlen("From: "));
 680                 fprintf(fp, "From: %s <%s>\n", buf, account->address);
 681         } else
 682                 fprintf(fp, "From: %s\n", account->address);
 683
 684         fprintf(fp, "To: %s\n", to);
 685
 686         /* Subject */
 687         notification_convert_header(buf, sizeof(buf), msginfo->subject,
 688                                     strlen("Subject: "));
 689         fprintf(fp, "Subject: Disposition notification: %s\n", buf);
 690
 691         /* Message ID */
 692         generate_msgid(buf, sizeof(buf));
 693         fprintf(fp, "Message-ID: <%s>\n", buf);
 694
 695         if (fclose(fp) == EOF) {
 696                 FILE_OP_ERROR(tmp, "fclose");
 697                 g_unlink(tmp);
 698                 return -1;
 699         }
 700
 701         /* put it in queue */
 702         queue = account_get_special_folder(account, F_QUEUE);
 703         if (!queue) queue = folder_get_default_queue();
 704         if (!queue) {
 705                 g_warning("can't find queue folder\n");
 706                 g_unlink(tmp);
 707                 return -1;
 708         }
 709         folder_item_scan(queue);
 710         if ((num = folder_item_add_msg(queue, tmp, NULL, TRUE)) < 0) {
 711                 g_warning("can't queue the message\n");
 712                 g_unlink(tmp);
 713                 return -1;
 714         }
 715
 716         if (prefs_common.work_offline &&
 717             !inc_offline_should_override(
 718                 _("Sylpheed-Claws needs network access in order "
 719                   "to send this email.")))
 720                 return 0;
 721
 722         /* send it */
 723         path = folder_item_fetch_msg(queue, num);
 724         ok = procmsg_send_message_queue(path, &foo, queue, num);
 725         g_free(path);
 726         g_free(foo);
 727         folder_item_remove_msg(queue, num);
 728
 729         return ok;
 730 }
 731
 732 GList *messageview_get_window_list(void)
 733 {
 734         return messageview_list;
 735 }
 736
 737 static gboolean find_encrypted_func(GNode *node, gpointer data)
 738 {
 739         MimeInfo *mimeinfo = (MimeInfo *) node->data;
 740         MimeInfo **encinfo = (MimeInfo **) data;
 741
 742         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
 743                 *encinfo = mimeinfo;
 744                 return TRUE;
 745         }
 746
 747         return FALSE;
 748 }
 749
 750 static MimeInfo *find_encrypted_part(MimeInfo *rootinfo)
 751 {
 752         MimeInfo *encinfo = NULL;
 753
 754         g_node_traverse(rootinfo->node, G_IN_ORDER, G_TRAVERSE_ALL, -1,
 755                 find_encrypted_func, &encinfo);
 756
 757         return encinfo;
 758 }
 759
 760 gint messageview_show(MessageView *messageview, MsgInfo *msginfo,
 761                       gboolean all_headers)
 762 {
 763         gchar *file;
 764         MimeInfo *mimeinfo, *encinfo;
 765         gchar *subject = NULL;
 766         g_return_val_if_fail(msginfo != NULL, -1);
 767
 768         if (messageview->mimeview->textview &&
 769             messageview->mimeview->textview->loading) {
 770                 messageview->mimeview->textview->stop_loading = TRUE;
 771                 return 0;
 772         }
 773         if (messageview->toolbar)
 774                 toolbar_set_learn_button
 775                         (messageview->toolbar,
 776                          MSG_IS_SPAM(msginfo->flags)?LEARN_HAM:LEARN_SPAM);
 777         else
 778                 toolbar_set_learn_button
 779                         (messageview->mainwin->toolbar,
 780                          MSG_IS_SPAM(msginfo->flags)?LEARN_HAM:LEARN_SPAM);
 781
 782         if (messageview->toolbar) {
 783                 if (messageview->toolbar->learn_ham_btn)
 784                         gtk_widget_set_sensitive(
 785                                 messageview->toolbar->learn_ham_btn,
 786                                 procmsg_spam_can_learn());
 787                 if (messageview->toolbar->learn_spam_btn)
 788                         gtk_widget_set_sensitive(
 789                                 messageview->toolbar->learn_spam_btn,
 790                                 procmsg_spam_can_learn());
 791         }
 792         messageview->updating = TRUE;
 793         mimeinfo = procmime_scan_message(msginfo);
 794         messageview->updating = FALSE;
 795
 796         if (messageview->deferred_destroy) {
 797                 messageview_destroy(messageview);
 798                 return 0;
 799         }
 800
 801         if (!mimeinfo) {
 802                 textview_show_error(messageview->mimeview->textview);
 803                 return -1;
 804         }
 805
 806         while ((encinfo = find_encrypted_part(mimeinfo)) != NULL) {
 807                 debug_print("decrypting message part\n");
 808                 if (privacy_mimeinfo_decrypt(encinfo) < 0) {
 809                         alertpanel_error(_("Couldn't decrypt: %s"),
 810                                 privacy_get_error());
 811                         break;
 812                 }
 813         }
 814
 815         messageview->updating = TRUE;
 816         file = procmsg_get_message_file_path(msginfo);
 817         messageview->updating = FALSE;
 818
 819         if (messageview->deferred_destroy) {
 820                 g_free(file);
 821                 messageview_destroy(messageview);
 822                 return 0;
 823         }
 824
 825         if (!file) {
 826                 g_warning("can't get message file path.\n");
 827                 procmime_mimeinfo_free_all(mimeinfo);
 828                 textview_show_error(messageview->mimeview->textview);
 829                 return -1;
 830         }
 831
 832         if (messageview->msginfo != msginfo) {
 833                 procmsg_msginfo_free(messageview->msginfo);
 834                 messageview->msginfo = NULL;
 835                 messageview_set_menu_sensitive(messageview);
 836                 messageview->msginfo = procmsg_msginfo_get_full_info(msginfo);
 837                 if (!messageview->msginfo)
 838                         messageview->msginfo = procmsg_msginfo_copy(msginfo);
 839         } else {
 840                 messageview->msginfo = NULL;
 841                 messageview_set_menu_sensitive(messageview);
 842                 messageview->msginfo = msginfo;
 843         }
 844         headerview_show(messageview->headerview, messageview->msginfo);
 845
 846         messageview_set_position(messageview, 0);
 847
 848         textview_set_all_headers(messageview->mimeview->textview,
 849                         messageview->all_headers);
 850
 851         mimeview_show_message(messageview->mimeview, mimeinfo, file);
 852
 853         if (messageview->window)
 854                 gtk_window_set_title(GTK_WINDOW(messageview->window),
 855                                 _("Sylpheed-Claws - Message View"));
 856         if (messageview->window && msginfo->subject) {
 857                 subject = g_strdup(msginfo->subject);
 858                 if (!g_utf8_validate(subject, -1, NULL)) {
 859                         g_free(subject);
 860                         subject = g_malloc(strlen(msginfo->subject)*2 +1);
 861                         conv_localetodisp(subject, strlen(msginfo->subject)*2 +1,
 862                                 msginfo->subject);
 863                 }
 864                 if (g_utf8_validate(subject, -1, NULL))
 865                         gtk_window_set_title(GTK_WINDOW(messageview->window),
 866                                 subject);
 867                 g_free(subject);
 868         }
 869
 870         main_create_mailing_list_menu(messageview->mainwin, messageview->msginfo);
 871
 872         if (messageview->msginfo->extradata
 873             && messageview->msginfo->extradata->partial_recv)
 874                 partial_recv_show(messageview->noticeview,
 875                                   messageview->msginfo);
 876         else if (messageview->msginfo->extradata &&
 877             (messageview->msginfo->extradata->dispositionnotificationto ||
 878              messageview->msginfo->extradata->returnreceiptto) &&
 879             !MSG_IS_RETRCPT_SENT(messageview->msginfo->flags) &&
 880             !prefs_common.never_send_retrcpt)
 881                 return_receipt_show(messageview->noticeview,
 882                                     messageview->msginfo);
 883         else
 884                 noticeview_hide(messageview->noticeview);
 885
 886         mimeinfo = procmime_mimeinfo_next(mimeinfo);
 887         if (mimeinfo && (mimeinfo->type != MIMETYPE_TEXT ||
 888             strcasecmp(mimeinfo->subtype, "plain"))) {
 889                 if (strcasecmp(mimeinfo->subtype, "html"))
 890                         mimeview_show_part(messageview->mimeview,mimeinfo);
 891                 else if (prefs_common.invoke_plugin_on_html)
 892                         mimeview_select_mimepart_icon(messageview->mimeview,mimeinfo);
 893         }
 894
 895         g_free(file);
 896
 897         return 0;
 898 }
 899
 900 void messageview_reflect_prefs_pixmap_theme(void)
 901 {
 902         GList *cur;
 903         MessageView *msgview;
 904
 905         for (cur = msgview_list; cur != NULL; cur = cur->next) {
 906                 msgview = (MessageView*)cur->data;
 907                 toolbar_update(TOOLBAR_MSGVIEW, msgview);
 908                 mimeview_update(msgview->mimeview);
 909         }
 910 }
 911
 912 void messageview_clear(MessageView *messageview)
 913 {
 914         procmsg_msginfo_free(messageview->msginfo);
 915         messageview->msginfo = NULL;
 916         messageview->filtered = FALSE;
 917         mimeview_clear(messageview->mimeview);
 918         headerview_clear(messageview->headerview);
 919         noticeview_hide(messageview->noticeview);
 920 }
 921
 922 void messageview_destroy(MessageView *messageview)
 923 {
 924         debug_print("destroy messageview\n");
 925         messageview_list = g_list_remove(messageview_list, messageview);
 926
 927         if (!messageview->deferred_destroy) {
 928                 hooks_unregister_hook(MSGINFO_UPDATE_HOOKLIST,
 929                               messageview->msginfo_update_callback_id);
 930         }
 931
 932         if (messageview->updating) {
 933                 debug_print("uh oh, better not touch that now (fetching)\n");
 934                 messageview->deferred_destroy = TRUE;
 935                 gtk_widget_hide(messageview->window);
 936                 return;
 937         }
 938
 939         if (messageview->mimeview->textview
 940         &&  messageview->mimeview->textview->loading) {
 941                 debug_print("uh oh, better not touch that now (loading text)\n");
 942                 messageview->deferred_destroy = TRUE;
 943                 messageview->mimeview->textview->stop_loading = TRUE;
 944                 gtk_widget_hide(messageview->window);
 945                 return;
 946         }
 947
 948         headerview_destroy(messageview->headerview);
 949         mimeview_destroy(messageview->mimeview);
 950         noticeview_destroy(messageview->noticeview);
 951
 952         procmsg_msginfo_free(messageview->msginfo);
 953         toolbar_clear_list(TOOLBAR_MSGVIEW);
 954         if (messageview->toolbar) {
 955                 toolbar_destroy(messageview->toolbar);
 956                 g_free(messageview->toolbar);
 957         }
 958
 959         msgview_list = g_list_remove(msgview_list, messageview);
 960
 961         if (messageview->window)
 962                 gtk_widget_destroy(messageview->window);
 963         g_free(messageview);
 964 }
 965
 966 void messageview_delete(MessageView *msgview)
 967 {
 968         MsgInfo *msginfo = NULL;
 969         FolderItem *trash = NULL;
 970         PrefsAccount *ac = NULL;
 971
 972         if (msgview->msginfo && msgview->mainwin && msgview->mainwin->summaryview)
 973                 msginfo = summary_get_selected_msg(msgview->mainwin->summaryview);
 974
 975         /* need a procmsg_msginfo_equal() */
 976         if (msginfo && msgview->msginfo &&
 977             msginfo->msgnum == msgview->msginfo->msgnum &&
 978             msginfo->folder == msgview->msginfo->folder) {
 979                 summary_delete_trash(msgview->mainwin->summaryview);
 980         } else {
 981                 msginfo = msgview->msginfo;
 982
 983                 g_return_if_fail(msginfo != NULL);
 984
 985                 /* to get the trash folder, we have to choose either
 986                  * the folder's or account's trash default - we prefer
 987                  * the one in the account prefs */
 988                 if (msginfo->folder) {
 989                         if (NULL != (ac = account_find_from_item(msginfo->folder)))
 990                                 trash = account_get_special_folder(ac, F_TRASH);
 991                         if (!trash && msginfo->folder->folder)
 992                                 trash = msginfo->folder->folder->trash;
 993                         /* if still not found, use the default */
 994                         if (!trash)
 995                                 trash = folder_get_default_trash();
 996                 }
 997
 998                 g_return_if_fail(trash != NULL);
 999
1000                 if (prefs_common.immediate_exec)
1001                         /* TODO: Delete from trash */
1002                         folder_item_move_msg(trash, msginfo);
1003                 else {
1004                         procmsg_msginfo_set_to_folder(msginfo, trash);
1005                         procmsg_msginfo_set_flags(msginfo, MSG_DELETED, 0);
1006                         /* NOTE: does not update to next message in summaryview */
1007                 }
1008         }
1009 }
1010
1011 /*
1012  * \brief update messageview with currently selected message in summaryview
1013  *        leave unchanged if summaryview is empty
1014  * \param pointer to MessageView
1015  */
1016 static void messageview_update(MessageView *msgview)
1017 {
1018         SummaryView *summaryview = (SummaryView*)msgview->mainwin->summaryview;
1019
1020         g_return_if_fail(summaryview != NULL);
1021
1022         if (summaryview->selected) {
1023                 MsgInfo *msginfo = summary_get_selected_msg(summaryview);
1024                 if (msginfo == NULL)
1025                         return;
1026
1027                 messageview_show(msgview, msginfo,
1028                                  msgview->all_headers);
1029         }
1030 }
1031
1032 void messageview_quote_color_set(void)
1033 {
1034 }
1035
1036 void messageview_set_font(MessageView *messageview)
1037 {
1038 }
1039
1040 TextView *messageview_get_current_textview(MessageView *messageview)
1041 {
1042         TextView *text = NULL;
1043
1044         text = messageview->mimeview->textview;
1045
1046         return text;
1047 }
1048
1049 MimeInfo *messageview_get_selected_mime_part(MessageView *messageview)
1050 {
1051         return mimeview_get_selected_part(messageview->mimeview);
1052 }
1053
1054 void messageview_copy_clipboard(MessageView *messageview)
1055 {
1056         TextView *text;
1057
1058         text = messageview_get_current_textview(messageview);
1059         if (text) {
1060                 GtkTextView *textview = GTK_TEXT_VIEW(text->text);
1061                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(textview);
1062                 GtkClipboard *clipboard
1063                         = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
1064
1065                 gtk_text_buffer_copy_clipboard(buffer, clipboard);
1066         }
1067 }
1068
1069 void messageview_select_all(MessageView *messageview)
1070 {
1071         TextView *text;
1072
1073         text = messageview_get_current_textview(messageview);
1074         if (text) {
1075                 GtkTextView *textview = GTK_TEXT_VIEW(text->text);
1076                 GtkTextBuffer *buffer;
1077                 GtkTextIter start, end;
1078
1079                 buffer = gtk_text_view_get_buffer(textview);
1080                 gtk_text_buffer_get_bounds(buffer, &start, &end);
1081                 gtk_text_buffer_select_range(buffer, &start, &end);
1082         }
1083 }
1084
1085 void messageview_set_position(MessageView *messageview, gint pos)
1086 {
1087         TextView *text;
1088
1089         text = messageview_get_current_textview(messageview);
1090         if (text)
1091                 textview_set_position(text, pos);
1092 }
1093
1094 gboolean messageview_search_string(MessageView *messageview, const gchar *str,
1095                                    gboolean case_sens)
1096 {
1097         TextView *text;
1098
1099         text = messageview_get_current_textview(messageview);
1100         if (text)
1101                 return textview_search_string(text, str, case_sens);
1102         return FALSE;
1103 }
1104
1105 gboolean messageview_search_string_backward(MessageView *messageview,
1106                                             const gchar *str,
1107                                             gboolean case_sens)
1108 {
1109         TextView *text;
1110
1111         text = messageview_get_current_textview(messageview);
1112         if (text)
1113                 return textview_search_string_backward(text,
1114                                                        str, case_sens);
1115         return FALSE;
1116 }
1117
1118 gboolean messageview_is_visible(MessageView *messageview)
1119 {
1120         if (messageview == NULL)
1121                 return FALSE;
1122         return messageview->visible;
1123 }
1124
1125 void messageview_save_as(MessageView *messageview)
1126 {
1127         gchar *filename = NULL;
1128         MsgInfo *msginfo;
1129         gchar *src, *dest, *tmp;
1130
1131         if (!messageview->msginfo) return;
1132         msginfo = messageview->msginfo;
1133
1134         if (msginfo->subject) {
1135                 Xstrdup_a(filename, msginfo->subject, return);
1136                 subst_for_filename(filename);
1137         }
1138         dest = filesel_select_file_save(_("Save as"), filename);
1139         if (!dest) return;
1140         if (is_file_exist(dest)) {
1141                 AlertValue aval;
1142
1143                 aval = alertpanel(_("Overwrite"),
1144                                   _("Overwrite existing file?"),
1145                                   GTK_STOCK_CANCEL, GTK_STOCK_OK, NULL);
1146                 if (G_ALERTALTERNATE != aval) return;
1147         }
1148
1149         src = procmsg_get_message_file(msginfo);
1150         if (copy_file(src, dest, TRUE) < 0) {
1151                 tmp =  g_path_get_basename(dest);
1152                 alertpanel_error(_("Couldn't save the file '%s'."), tmp);
1153                 g_free(tmp);
1154         }
1155         g_free(dest);
1156         g_free(src);
1157 }
1158
1159 static gint messageview_delete_cb(GtkWidget *widget, GdkEventAny *event,
1160                                   MessageView *messageview)
1161 {
1162         messageview_destroy(messageview);
1163         return TRUE;
1164 }
1165
1166 static void messageview_size_allocate_cb(GtkWidget *widget,
1167                                          GtkAllocation *allocation)
1168 {
1169         g_return_if_fail(allocation != NULL);
1170
1171         prefs_common.msgwin_width  = allocation->width;
1172         prefs_common.msgwin_height = allocation->height;
1173 }
1174
1175 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
1176                         MessageView *messageview)
1177 {
1178         if (event && event->keyval == GDK_Escape && messageview->window) {
1179                 messageview_destroy(messageview);
1180                 return TRUE;
1181         }
1182
1183         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0)
1184                 return FALSE;
1185
1186         g_signal_stop_emission_by_name(G_OBJECT(widget),
1187                                         "key_press_event");
1188         mimeview_pass_key_press_event(messageview->mimeview, event);
1189         return FALSE;
1190 }
1191
1192 void messageview_toggle_view_real(MessageView *messageview)
1193 {
1194         MainWindow *mainwin = messageview->mainwin;
1195         union CompositeWin *cwin = &mainwin->win;
1196         GtkWidget *vpaned = NULL;
1197         GtkWidget *container = NULL;
1198
1199         switch (mainwin->type) {
1200         case SEPARATE_NONE:
1201                 vpaned = cwin->sep_none.vpaned;
1202                 container = cwin->sep_none.hpaned;
1203                 break;
1204         case SEPARATE_FOLDER:
1205                 vpaned = cwin->sep_folder.vpaned;
1206                 container = mainwin->vbox_body;
1207                 break;
1208         case SEPARATE_MESSAGE:
1209         case SEPARATE_BOTH:
1210                 return;
1211         }
1212 }
1213
1214 static void return_receipt_show(NoticeView *noticeview, MsgInfo *msginfo)
1215 {
1216         gchar *addr = NULL;
1217         gboolean from_me = FALSE;
1218         if (msginfo->folder
1219                 && (folder_has_parent_of_type(msginfo->folder, F_QUEUE)
1220                  || folder_has_parent_of_type(msginfo->folder, F_DRAFT)))
1221                 return;
1222
1223         addr = g_strdup(msginfo->from);
1224         if (addr) {
1225                 extract_address(addr);
1226                 if (account_find_from_address(addr)) {
1227                         from_me = TRUE;
1228                 }
1229                 g_free(addr);
1230         }
1231
1232         if (from_me) {
1233                 noticeview_set_text(noticeview, _("You asked for a return receipt in this message."));
1234                 noticeview_set_button_text(noticeview, NULL);
1235                 noticeview_set_button_press_callback(noticeview, NULL, NULL);
1236         } else {
1237                 noticeview_set_text(noticeview, _("This message asks for a return receipt."));
1238                 noticeview_set_button_text(noticeview, _("Send receipt"));
1239                 noticeview_set_button_press_callback(noticeview,
1240                                                      G_CALLBACK(return_receipt_send_clicked),
1241                                                      (gpointer) msginfo);
1242         }
1243         noticeview_show(noticeview);
1244 }
1245
1246 static void return_receipt_send_clicked(NoticeView *noticeview, MsgInfo *msginfo)
1247 {
1248         MsgInfo *tmpmsginfo;
1249         gchar *file;
1250
1251         file = procmsg_get_message_file_path(msginfo);
1252         if (!file) {
1253                 g_warning("can't get message file path.\n");
1254                 return;
1255         }
1256
1257         tmpmsginfo = procheader_parse_file(file, msginfo->flags, TRUE, TRUE);
1258         tmpmsginfo->folder = msginfo->folder;
1259         tmpmsginfo->msgnum = msginfo->msgnum;
1260
1261         if (disposition_notification_send(tmpmsginfo) >= 0) {
1262                 procmsg_msginfo_set_flags(msginfo, MSG_RETRCPT_SENT, 0);
1263                 noticeview_hide(noticeview);
1264         }
1265
1266         procmsg_msginfo_free(tmpmsginfo);
1267         g_free(file);
1268 }
1269
1270 static void partial_recv_show(NoticeView *noticeview, MsgInfo *msginfo)
1271 {
1272         gchar *text = NULL;
1273         gchar *button1 = NULL;
1274         gchar *button2 = NULL;
1275         void  *button1_cb = NULL;
1276         void  *button2_cb = NULL;
1277
1278         if (!msginfo->extradata)
1279                 return;
1280         if (!partial_msg_in_uidl_list(msginfo)) {
1281                 text = g_strdup_printf(_("This message has been partially "
1282                                 "retrieved,\nand has been deleted from the "
1283                                 "server."));
1284         } else {
1285                 switch (msginfo->planned_download) {
1286                 case POP3_PARTIAL_DLOAD_UNKN:
1287                         text = g_strdup_printf(_("This message has been "
1288                                         "partially retrieved;\nit is %s."),
1289                                         to_human_readable(
1290                                                 (off_t)(msginfo->total_size)));
1291                         button1 = _("Mark for download");
1292                         button2 = _("Mark for deletion");
1293                         button1_cb = partial_recv_dload_clicked;
1294                         button2_cb = partial_recv_del_clicked;
1295                         break;
1296                 case POP3_PARTIAL_DLOAD_DLOAD:
1297                         text = g_strdup_printf(_("This message has been "
1298                                         "partially retrieved;\nit is %s and "
1299                                         "will be downloaded."),
1300                                         to_human_readable(
1301                                                 (off_t)(msginfo->total_size)));
1302                         button1 = _("Unmark");
1303                         button1_cb = partial_recv_unmark_clicked;
1304                         button2 = _("Mark for deletion");
1305                         button2_cb = partial_recv_del_clicked;
1306                         break;
1307                 case POP3_PARTIAL_DLOAD_DELE:
1308                         text = g_strdup_printf(_("This message has been "
1309                                         "partially retrieved;\nit is %s and "
1310                                         "will be deleted."),
1311                                         to_human_readable(
1312                                                 (off_t)(msginfo->total_size)));
1313                         button1 = _("Mark for download");
1314                         button1_cb = partial_recv_dload_clicked;
1315                         button2 = _("Unmark");
1316                         button2_cb = partial_recv_unmark_clicked;
1317                         break;
1318                 default:
1319                         return;
1320                 }
1321         }
1322
1323         noticeview_set_text(noticeview, text);
1324         g_free(text);
1325         noticeview_set_button_text(noticeview, button1);
1326         noticeview_set_button_press_callback(noticeview,
1327                      G_CALLBACK(button1_cb), (gpointer) msginfo);
1328
1329         noticeview_set_2ndbutton_text(noticeview, button2);
1330         noticeview_set_2ndbutton_press_callback(noticeview,
1331                      G_CALLBACK(button2_cb), (gpointer) msginfo);
1332
1333         noticeview_show(noticeview);
1334 }
1335
1336 static void partial_recv_dload_clicked(NoticeView *noticeview,
1337                                        MsgInfo *msginfo)
1338 {
1339         if (partial_mark_for_download(msginfo) == 0) {
1340                 partial_recv_show(noticeview, msginfo);
1341         }
1342 }
1343
1344 static void partial_recv_del_clicked(NoticeView *noticeview,
1345                                        MsgInfo *msginfo)
1346 {
1347         if (partial_mark_for_delete(msginfo) == 0) {
1348                 partial_recv_show(noticeview, msginfo);
1349         }
1350 }
1351
1352 static void partial_recv_unmark_clicked(NoticeView *noticeview,
1353                                        MsgInfo *msginfo)
1354 {
1355         if (partial_unmark(msginfo) == 0) {
1356                 partial_recv_show(noticeview, msginfo);
1357         }
1358 }
1359
1360 static void select_account_cb(GtkWidget *w, gpointer data)
1361 {
1362         *(gint*)data = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(w), MENU_VAL_ID));
1363 }
1364
1365 static PrefsAccount *select_account_from_list(GList *ac_list)
1366 {
1367         GtkWidget *optmenu;
1368         GtkWidget *menu;
1369         gint account_id;
1370
1371         g_return_val_if_fail(ac_list != NULL, NULL);
1372         g_return_val_if_fail(ac_list->data != NULL, NULL);
1373
1374         optmenu = gtk_option_menu_new();
1375         menu = gtkut_account_menu_new(ac_list,
1376                         G_CALLBACK(select_account_cb),
1377                         &account_id);
1378         if (!menu)
1379                 return NULL;
1380         gtk_option_menu_set_menu(GTK_OPTION_MENU(optmenu), menu);
1381         gtk_option_menu_set_history(GTK_OPTION_MENU(optmenu), 0);
1382         account_id = ((PrefsAccount *) ac_list->data)->account_id;
1383         if (alertpanel_with_widget(
1384                                 _("Return Receipt Notification"),
1385                                 _("The message was sent to several of your "
1386                                   "accounts.\n"
1387                                   "Please choose which account do you want to "
1388                                   "use for sending the receipt notification:"),
1389                                 _("_Send Notification"), _("+_Cancel"), NULL,
1390                                 FALSE, optmenu) != G_ALERTDEFAULT)
1391                 return NULL;
1392         return account_find_from_id(account_id);
1393 }
1394
1395 /*
1396  * \brief return selected messageview text, when nothing is
1397  *        selected and message was filtered, return complete text
1398  *
1399  * \param  pointer to Messageview
1400  *
1401  * \return pointer to text (needs to be free'd by calling func)
1402  */
1403 gchar *messageview_get_selection(MessageView *msgview)
1404 {
1405         TextView *textview;
1406         gchar *text = NULL;
1407         GtkTextView *edit = NULL;
1408         GtkTextBuffer *textbuf;
1409         gint body_pos = 0;
1410
1411         g_return_val_if_fail(msgview != NULL, NULL);
1412
1413         if (msgview->mimeview->type == MIMEVIEW_VIEWER) {
1414                 MimeViewer *viewer = msgview->mimeview->mimeviewer;
1415                 if (viewer && viewer->get_selection) {
1416                         text = viewer->get_selection(viewer);
1417                         if (text)
1418                                 return text;
1419                 }
1420         }
1421
1422         textview = messageview_get_current_textview(msgview);
1423         g_return_val_if_fail(textview != NULL, NULL);
1424
1425         edit = GTK_TEXT_VIEW(textview->text);
1426         g_return_val_if_fail(edit != NULL, NULL);
1427         body_pos = textview->body_pos;
1428
1429         textbuf = gtk_text_view_get_buffer(edit);
1430
1431         if (gtk_text_buffer_get_selection_bounds(textbuf, NULL, NULL))
1432                 return gtkut_text_view_get_selection(edit);
1433         else if (msgview->filtered) {
1434                 GtkTextIter start_iter, end_iter;
1435                 gtk_text_buffer_get_iter_at_offset(textbuf, &start_iter, body_pos);
1436                 gtk_text_buffer_get_end_iter(textbuf, &end_iter);
1437                 gtk_text_buffer_get_text(textbuf, &start_iter, &end_iter, FALSE);
1438         } else
1439                 text = NULL;
1440
1441         return text;
1442 }
1443
1444 static void save_as_cb(gpointer data, guint action, GtkWidget *widget)
1445 {
1446         MessageView *messageview = (MessageView *)data;
1447         messageview_save_as(messageview);
1448 }
1449
1450 #ifdef USE_GNOMEPRINT
1451 static void print_mimeview(MimeView *mimeview)
1452 {
1453         if (!mimeview
1454         ||  !mimeview->textview
1455         ||  !mimeview->textview->text)
1456                 alertpanel_warning(_("Cannot print: the message doesn't "
1457                                      "contain text."));
1458         else {
1459                 gtk_widget_realize(mimeview->textview->text);
1460                 gedit_print(GTK_TEXT_VIEW(mimeview->textview->text));
1461         }
1462 }
1463
1464 void messageview_print(MsgInfo *msginfo, gboolean all_headers)
1465 {
1466         PangoFontDescription *font_desc = NULL;
1467         MessageView *tmpview = messageview_create_with_new_window_visible(
1468                                 mainwindow_get_mainwindow(), FALSE);
1469
1470         if (prefs_common.use_different_print_font) {
1471                 font_desc = pango_font_description_from_string
1472                                                 (prefs_common.printfont);
1473         } else {
1474                 font_desc = pango_font_description_from_string
1475                                                 (prefs_common.textfont);
1476         }
1477         if (font_desc) {
1478                 gtk_widget_modify_font(tmpview->mimeview->textview->text,
1479                         font_desc);
1480                 pango_font_description_free(font_desc);
1481         }
1482
1483         tmpview->all_headers = all_headers;
1484         if (msginfo && messageview_show(tmpview, msginfo,
1485                 tmpview->all_headers) >= 0) {
1486                         print_mimeview(tmpview->mimeview);
1487         }
1488         messageview_destroy(tmpview);
1489 }
1490 #endif
1491
1492 static void print_cb(gpointer data, guint action, GtkWidget *widget)
1493 {
1494         MessageView *messageview = (MessageView *)data;
1495 #ifndef USE_GNOMEPRINT
1496         gchar *cmdline = NULL;
1497         gchar *p;
1498 #endif
1499
1500         if (!messageview->msginfo) return;
1501 #ifndef USE_GNOMEPRINT
1502         cmdline = input_dialog(_("Print"),
1503                                _("Enter the print command line:\n"
1504                                  "('%s' will be replaced with file name)"),
1505                                prefs_common.print_cmd);
1506         if (!cmdline) return;
1507         if (!(p = strchr(cmdline, '%')) || *(p + 1) != 's' ||
1508             strchr(p + 2, '%')) {
1509                 alertpanel_error(_("Print command line is invalid:\n'%s'"),
1510                                  cmdline);
1511                 g_free(cmdline);
1512                 return;
1513         }
1514         procmsg_print_message(messageview->msginfo, cmdline);
1515         g_free(cmdline);
1516 #else
1517         messageview_print(messageview->msginfo, messageview->all_headers);
1518 #endif
1519 }
1520
1521 static void close_cb(gpointer data, guint action, GtkWidget *widget)
1522 {
1523         MessageView *messageview = (MessageView *)data;
1524         messageview_destroy(messageview);
1525 }
1526
1527 static void copy_cb(gpointer data, guint action, GtkWidget *widget)
1528 {
1529         MessageView *messageview = (MessageView *)data;
1530         messageview_copy_clipboard(messageview);
1531 }
1532
1533 static void allsel_cb(gpointer data, guint action, GtkWidget *widget)
1534 {
1535         MessageView *messageview = (MessageView *)data;
1536         messageview_select_all(messageview);
1537 }
1538
1539 static void search_cb(gpointer data, guint action, GtkWidget *widget)
1540 {
1541         MessageView *messageview = (MessageView *)data;
1542         message_search(messageview);
1543 }
1544
1545 static void set_charset_cb(gpointer data, guint action, GtkWidget *widget)
1546 {
1547         MessageView *messageview = (MessageView *)data;
1548         const gchar *charset;
1549
1550         if (GTK_CHECK_MENU_ITEM(widget)->active) {
1551                 charset = conv_get_charset_str((CharSet)action);
1552                 g_free(messageview->forced_charset);
1553                 messageview->forced_charset = g_strdup(charset);
1554                 procmime_force_charset(charset);
1555
1556                 messageview_show(messageview, messageview->msginfo, FALSE);
1557         }
1558 }
1559
1560 static void set_decode_cb(gpointer data, guint action, GtkWidget *widget)
1561 {
1562         MessageView *messageview = (MessageView *)data;
1563         if (GTK_CHECK_MENU_ITEM(widget)->active) {
1564                 messageview->forced_encoding = (EncodingType)action;
1565
1566                 messageview_show(messageview, messageview->msginfo, FALSE);
1567
1568                 debug_print("forced encoding: %d\n", action);
1569         }
1570 }
1571
1572
1573 static void view_source_cb(gpointer data, guint action, GtkWidget *widget)
1574 {
1575         MessageView *messageview = (MessageView *)data;
1576         SourceWindow *srcwin;
1577
1578         if (!messageview->msginfo) return;
1579
1580         srcwin = source_window_create();
1581         source_window_show_msg(srcwin, messageview->msginfo);
1582         source_window_show(srcwin);
1583 }
1584
1585 static void show_all_header_cb(gpointer data, guint action, GtkWidget *widget)
1586 {
1587         MessageView *messageview = (MessageView *)data;
1588         MsgInfo *msginfo = messageview->msginfo;
1589
1590         messageview->all_headers =
1591                         GTK_CHECK_MENU_ITEM(widget)->active;
1592         if (!msginfo) return;
1593         messageview->msginfo = NULL;
1594         messageview_show(messageview, msginfo,
1595                          GTK_CHECK_MENU_ITEM(widget)->active);
1596         procmsg_msginfo_free(msginfo);
1597         main_window_set_menu_sensitive(messageview->mainwin);
1598 }
1599
1600 #define SET_CHECK_MENU_ACTIVE(path, active) \
1601 { \
1602         menuitem = gtk_item_factory_get_widget(ifactory, path); \
1603         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menuitem), active); \
1604 }
1605
1606 static void msg_hide_quotes_cb(gpointer data, guint action, GtkWidget *widget)
1607 {
1608         MessageView *messageview = (MessageView *)data;
1609         MsgInfo *msginfo = messageview->msginfo;
1610         static gboolean updating_menu = FALSE;
1611         GtkItemFactory *ifactory = gtk_item_factory_from_widget(messageview->menubar);
1612         GtkWidget *menuitem;
1613         if (updating_menu)
1614                 return;
1615
1616         prefs_common.hide_quotes =
1617                         GTK_CHECK_MENU_ITEM(widget)->active ? action : 0;
1618
1619         updating_menu=TRUE;
1620         SET_CHECK_MENU_ACTIVE("/View/Quotes/Fold all", FALSE);
1621         SET_CHECK_MENU_ACTIVE("/View/Quotes/Fold from level 2", FALSE);
1622         SET_CHECK_MENU_ACTIVE("/View/Quotes/Fold from level 3", FALSE);
1623         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(widget), prefs_common.hide_quotes > 0);
1624         updating_menu=FALSE;
1625         if (!msginfo) return;
1626         messageview->msginfo = NULL;
1627         messageview_show(messageview, msginfo,
1628                          messageview->all_headers);
1629         procmsg_msginfo_free(msginfo);
1630
1631         /* update main window */
1632         main_window_set_menu_sensitive(messageview->mainwin);
1633         summary_redisplay_msg(messageview->mainwin->summaryview);
1634 }
1635 #undef SET_CHECK_MENU_ACTIVE
1636
1637 static void compose_cb(gpointer data, guint action, GtkWidget *widget)
1638 {
1639         MessageView *messageview = (MessageView *)data;
1640         PrefsAccount *ac = NULL;
1641         FolderItem *item = NULL;
1642
1643         if (messageview->msginfo)
1644                 item = messageview->msginfo->folder;
1645
1646         if (item) {
1647                 ac = account_find_from_item(item);
1648                 if (ac && ac->protocol == A_NNTP &&
1649                     item->stype == F_NEWS) {
1650                         compose_new(ac, item->path, NULL);
1651                         return;
1652                 }
1653         }
1654
1655         compose_new(ac, NULL, NULL);
1656 }
1657
1658 static void reply_cb(gpointer data, guint action, GtkWidget *widget)
1659 {
1660         MessageView *messageview = (MessageView *)data;
1661         GSList *msginfo_list = NULL;
1662
1663         g_return_if_fail(messageview->msginfo);
1664
1665         msginfo_list = g_slist_append(msginfo_list, messageview->msginfo);
1666         compose_reply_from_messageview(messageview, msginfo_list, action);
1667         g_slist_free(msginfo_list);
1668 }
1669
1670 static void addressbook_open_cb(gpointer data, guint action, GtkWidget *widget)
1671 {
1672         addressbook_open(NULL);
1673 }
1674
1675 static void add_address_cb(gpointer data, guint action, GtkWidget *widget)
1676 {
1677         MessageView *messageview = (MessageView *)data;
1678         MsgInfo *msginfo;
1679         gchar *from;
1680
1681         if (!messageview->msginfo) return;
1682         msginfo = messageview->msginfo;
1683         Xstrdup_a(from, msginfo->from, return);
1684         eliminate_address_comment(from);
1685         extract_address(from);
1686         addressbook_add_contact(msginfo->fromname, from, NULL);
1687 }
1688
1689 static void create_filter_cb(gpointer data, guint action, GtkWidget *widget)
1690 {
1691         MessageView *messageview = (MessageView *)data;
1692         FolderItem * item;
1693
1694         if (!messageview->msginfo) return;
1695
1696         item = messageview->msginfo->folder;
1697         summary_msginfo_filter_open(item,  messageview->msginfo,
1698                                     (PrefsFilterType)action, 0);
1699 }
1700
1701 static void create_processing_cb(gpointer data, guint action,
1702                                  GtkWidget *widget)
1703 {
1704         MessageView *messageview = (MessageView *)data;
1705         FolderItem * item;
1706
1707         if (!messageview->msginfo) return;
1708
1709         item = messageview->msginfo->folder;
1710         summary_msginfo_filter_open(item,  messageview->msginfo,
1711                                     (PrefsFilterType)action, 1);
1712 }
1713
1714 static void about_cb(gpointer data, guint action, GtkWidget *widget)
1715 {
1716         about_show();
1717 }
1718
1719 static gboolean messageview_update_msg(gpointer source, gpointer data)
1720 {
1721         MsgInfoUpdate *msginfo_update = (MsgInfoUpdate *) source;
1722         MessageView *messageview = (MessageView *)data;
1723
1724         if (messageview->msginfo != msginfo_update->msginfo)
1725                 return FALSE;
1726
1727         if (msginfo_update->flags & MSGINFO_UPDATE_DELETED) {
1728                 messageview_clear(messageview);
1729                 messageview_update(messageview);
1730         }
1731
1732         return FALSE;
1733 }
1734
1735 void messageview_set_menu_sensitive(MessageView *messageview)
1736 {
1737         GtkItemFactory *ifactory;
1738         GtkWidget *menuitem = NULL;
1739
1740         if (!messageview || !messageview->new_window)
1741                 return;
1742         /* do some smart things */
1743         if (!messageview->menubar) return;
1744         ifactory = gtk_item_factory_from_widget(messageview->menubar);
1745         if (!ifactory) return;
1746         if (messageview->mainwin->type == SEPARATE_MESSAGE) {
1747                 menuitem = gtk_item_factory_get_widget(ifactory, "/View/All headers");
1748                 gtk_check_menu_item_set_active
1749                         (GTK_CHECK_MENU_ITEM(menuitem),
1750                          messageview->mimeview->textview->show_all_headers);
1751         }
1752         if (prefs_common.hide_quotes) {
1753                 menuitem = NULL;
1754                 if (prefs_common.hide_quotes == 1)
1755                         menuitem = gtk_item_factory_get_widget(ifactory,
1756                                         "/View/Quotes/Fold all");
1757                 if (prefs_common.hide_quotes == 2)
1758                         menuitem = gtk_item_factory_get_widget(ifactory,
1759                                         "/View/Quotes/Fold from level 2");
1760                 if (prefs_common.hide_quotes == 3)
1761                         menuitem = gtk_item_factory_get_widget(ifactory,
1762                                         "/View/Quotes/Fold from level 3");
1763                 gtk_check_menu_item_set_active
1764                         (GTK_CHECK_MENU_ITEM(menuitem),
1765                          TRUE);
1766         }
1767 }
1768
1769 void messageview_learn (MessageView *msgview, gboolean is_spam)
1770 {
1771         if (is_spam) {
1772                 if (procmsg_spam_learner_learn(msgview->msginfo, NULL, TRUE) == 0)
1773                         procmsg_msginfo_set_flags(msgview->msginfo, MSG_SPAM, 0);
1774                 else
1775                         log_error(_("An error happened while learning.\n"));
1776
1777         } else {
1778                 if (procmsg_spam_learner_learn(msgview->msginfo, NULL, FALSE) == 0)
1779                         procmsg_msginfo_unset_flags(msgview->msginfo, MSG_SPAM, 0);
1780                 else
1781                         log_error(_("An error happened while learning.\n"));
1782         }
1783         if (msgview->toolbar)
1784                 toolbar_set_learn_button
1785                         (msgview->toolbar,
1786                          MSG_IS_SPAM(msgview->msginfo->flags)?LEARN_HAM:LEARN_SPAM);
1787         else
1788                 toolbar_set_learn_button
1789                         (msgview->mainwin->toolbar,
1790                          MSG_IS_SPAM(msgview->msginfo->flags)?LEARN_HAM:LEARN_SPAM);
1791 }