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