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 static void reedit_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
 281         {N_("/_Message"),               NULL, NULL, 0, "<Branch>"},
 282         {N_("/_Message/Compose _new message"),
 283                                         "<control>M", compose_cb, 0, NULL},
 284         {N_("/_Message/---"),           NULL, NULL, 0, "<Separator>"},
 285         {N_("/_Message/_Reply"),        "<control>R", reply_cb, COMPOSE_REPLY, NULL},
 286         {N_("/_Message/Repl_y to/_all"),
 287                                         "<control><shift>R", reply_cb, COMPOSE_REPLY_TO_ALL, NULL},
 288         {N_("/_Message/Repl_y to/_sender"),
 289                                         NULL, reply_cb, COMPOSE_REPLY_TO_SENDER, NULL},
 290         {N_("/_Message/Repl_y to/mailing _list"),
 291                                         "<control>L", reply_cb, COMPOSE_REPLY_TO_LIST, NULL},
 292         {N_("/_Message/---"),           NULL, NULL, 0, "<Separator>"},
 293         {N_("/_Message/_Forward"),      "<control><alt>F", reply_cb, COMPOSE_FORWARD_INLINE, NULL},
 294         {N_("/_Message/For_ward as attachment"),
 295                                         NULL, reply_cb, COMPOSE_FORWARD_AS_ATTACH, NULL},
 296         {N_("/_Message/Redirec_t"),     NULL, reply_cb, COMPOSE_REDIRECT, NULL},
 297         {N_("/_Message/---"),           NULL, NULL, 0, "<Separator>"},
 298         {N_("/_Message/Re-_edit"),      NULL, reedit_cb, 0, NULL},
 299
 300         {N_("/_Tools"),                 NULL, NULL, 0, "<Branch>"},
 301         {N_("/_Tools/_Address book"),   "<control><shift>A", addressbook_open_cb, 0, NULL},
 302         {N_("/_Tools/Add sender to address boo_k"),
 303                                         NULL, add_address_cb, 0, NULL},
 304         {N_("/_Tools/---"),             NULL, NULL, 0, "<Separator>"},
 305         {N_("/_Tools/_Create filter rule"),
 306                                         NULL, NULL, 0, "<Branch>"},
 307         {N_("/_Tools/_Create filter rule/_Automatically"),
 308                                         NULL, create_filter_cb, FILTER_BY_AUTO, NULL},
 309         {N_("/_Tools/_Create filter rule/by _From"),
 310                                         NULL, create_filter_cb, FILTER_BY_FROM, NULL},
 311         {N_("/_Tools/_Create filter rule/by _To"),
 312                                         NULL, create_filter_cb, FILTER_BY_TO, NULL},
 313         {N_("/_Tools/_Create filter rule/by _Subject"),
 314                                         NULL, create_filter_cb, FILTER_BY_SUBJECT, NULL},
 315         {N_("/_Tools/Create processing rule"),
 316                                         NULL, NULL, 0, "<Branch>"},
 317         {N_("/_Tools/Create processing rule/_Automatically"),
 318                                         NULL, create_processing_cb, FILTER_BY_AUTO, NULL},
 319         {N_("/_Tools/Create processing rule/by _From"),
 320                                         NULL, create_processing_cb, FILTER_BY_FROM, NULL},
 321         {N_("/_Tools/Create processing rule/by _To"),
 322                                         NULL, create_processing_cb, FILTER_BY_TO, NULL},
 323         {N_("/_Tools/Create processing rule/by _Subject"),
 324                                         NULL, create_processing_cb, FILTER_BY_SUBJECT, NULL},
 325         {N_("/_Tools/---"),             NULL, NULL, 0, "<Separator>"},
 326         {N_("/_Tools/Actio_ns"),        NULL, NULL, 0, "<Branch>"},
 327
 328         {N_("/_Help"),                  NULL, NULL, 0, "<Branch>"},
 329         {N_("/_Help/_About"),           NULL, about_cb, 0, NULL}
 330 };
 331
 332 MessageView *messageview_create(MainWindow *mainwin)
 333 {
 334         MessageView *messageview;
 335         GtkWidget *vbox;
 336         HeaderView *headerview;
 337         MimeView *mimeview;
 338         NoticeView *noticeview;
 339
 340         debug_print("Creating message view...\n");
 341         messageview = g_new0(MessageView, 1);
 342
 343         headerview = headerview_create();
 344
 345         noticeview = noticeview_create(mainwin);
 346
 347         mimeview = mimeview_create(mainwin);
 348         mimeview->textview = textview_create();
 349         mimeview->textview->messageview = messageview;
 350         mimeview->messageview = messageview;
 351
 352         vbox = gtk_vbox_new(FALSE, 0);
 353         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET_PTR(headerview),
 354                            FALSE, FALSE, 0);
 355         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET_PTR(noticeview),
 356                            FALSE, FALSE, 0);
 357         gtk_box_pack_start(GTK_BOX(vbox),
 358                            GTK_WIDGET_PTR(mimeview), TRUE, TRUE, 0);
 359         gtk_widget_show(vbox);
 360
 361         messageview->vbox        = vbox;
 362         messageview->new_window  = FALSE;
 363         messageview->window      = NULL;
 364         messageview->headerview  = headerview;
 365         messageview->mimeview    = mimeview;
 366         messageview->noticeview = noticeview;
 367         messageview->mainwin    = mainwin;
 368
 369         messageview->statusbar     = NULL;
 370         messageview->statusbar_cid = 0;
 371
 372         messageview->msginfo_update_callback_id =
 373                 hooks_register_hook(MSGINFO_UPDATE_HOOKLIST, messageview_update_msg, (gpointer) messageview);
 374
 375         return messageview;
 376 }
 377
 378 GList *messageview_get_msgview_list(void)
 379 {
 380         return msgview_list;
 381 }
 382
 383 void messageview_update_actions_menu(MessageView *msgview)
 384 {
 385         GtkItemFactory *ifactory;
 386
 387         /* Messages opened in a new window do not have a menu bar */
 388         if (msgview->menubar == NULL)
 389                 return;
 390         ifactory = gtk_item_factory_from_widget(msgview->menubar);
 391         action_update_msgview_menu(ifactory, "/Tools/Actions", msgview);
 392 }
 393
 394 void messageview_add_toolbar(MessageView *msgview, GtkWidget *window)
 395 {
 396         GtkWidget *handlebox;
 397         GtkWidget *vbox;
 398         GtkWidget *menubar;
 399         GtkWidget *statusbar;
 400         guint n_menu_entries;
 401
 402         vbox = gtk_vbox_new(FALSE, 0);
 403         gtk_widget_show(vbox);
 404         gtk_container_add(GTK_CONTAINER(window), vbox);
 405
 406         n_menu_entries = sizeof(msgview_entries) / sizeof(msgview_entries[0]);
 407         menubar = menubar_create(window, msgview_entries,
 408                                  n_menu_entries, "<MessageView>", msgview);
 409         gtk_widget_show(menubar);
 410         gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, TRUE, 0);
 411
 412         if (prefs_common.toolbar_detachable) {
 413                 handlebox = gtk_handle_box_new();
 414         } else {
 415                 handlebox = gtk_hbox_new(FALSE, 0);
 416         }
 417         gtk_box_pack_start(GTK_BOX(vbox), handlebox, FALSE, FALSE, 0);
 418         gtk_widget_realize(handlebox);
 419         msgview->toolbar = toolbar_create(TOOLBAR_MSGVIEW, handlebox,
 420                                           (gpointer)msgview);
 421
 422         statusbar = gtk_statusbar_new();
 423         gtk_widget_show(statusbar);
 424         gtk_box_pack_end(GTK_BOX(vbox), statusbar, FALSE, FALSE, 0);
 425         msgview->statusbar = statusbar;
 426         msgview->statusbar_cid = gtk_statusbar_get_context_id
 427                 (GTK_STATUSBAR(statusbar), "Message View");
 428
 429         msgview->handlebox = handlebox;
 430         msgview->menubar   = menubar;
 431
 432         gtk_container_add(GTK_CONTAINER(vbox),
 433                           GTK_WIDGET_PTR(msgview));
 434
 435         messageview_update_actions_menu(msgview);
 436
 437         msgview_list = g_list_append(msgview_list, msgview);
 438 }
 439
 440 MessageView *messageview_create_with_new_window(MainWindow *mainwin)
 441 {
 442         MessageView *msgview;
 443         GtkWidget *window;
 444         static GdkGeometry geometry;
 445
 446         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 447         gtk_window_set_title(GTK_WINDOW(window), _("Sylpheed-Claws - Message View"));
 448         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
 449
 450         if (!geometry.min_height) {
 451                 geometry.min_width = 320;
 452                 geometry.min_height = 200;
 453         }
 454         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 455                                       GDK_HINT_MIN_SIZE);
 456
 457         gtk_widget_set_size_request(window, prefs_common.msgwin_width,
 458                                     prefs_common.msgwin_height);
 459
 460         msgview = messageview_create(mainwin);
 461
 462         g_signal_connect(G_OBJECT(window), "size_allocate",
 463                          G_CALLBACK(messageview_size_allocate_cb),
 464                          msgview);
 465         g_signal_connect(G_OBJECT(window), "delete_event",
 466                          G_CALLBACK(messageview_delete_cb), msgview);
 467         g_signal_connect(G_OBJECT(window), "key_press_event",
 468                          G_CALLBACK(key_pressed), msgview);
 469
 470         messageview_add_toolbar(msgview, window);
 471
 472         gtk_widget_grab_focus(msgview->mimeview->textview->text);
 473         gtk_widget_show(window);
 474
 475         msgview->new_window = TRUE;
 476         msgview->window = window;
 477         msgview->visible = TRUE;
 478
 479         toolbar_set_style(msgview->toolbar->toolbar, msgview->handlebox,
 480                           prefs_common.toolbar_style);
 481         messageview_init(msgview);
 482
 483         return msgview;
 484 }
 485
 486 void messageview_init(MessageView *messageview)
 487 {
 488         headerview_init(messageview->headerview);
 489         mimeview_init(messageview->mimeview);
 490         /*messageview_set_font(messageview);*/
 491
 492         noticeview_hide(messageview->noticeview);
 493 }
 494
 495 static void notification_convert_header(gchar *dest, gint len,
 496                                         const gchar *src_,
 497                                         gint header_len)
 498 {
 499         char *src;
 500
 501         g_return_if_fail(src_ != NULL);
 502         g_return_if_fail(dest != NULL);
 503
 504         if (len < 1) return;
 505
 506         Xstrndup_a(src, src_, len, return);
 507
 508         remove_return(src);
 509
 510         if (is_ascii_str(src)) {
 511                 strncpy2(dest, src, len);
 512                 dest[len - 1] = '\0';
 513                 return;
 514         } else
 515                 conv_encode_header(dest, len, src, header_len, FALSE);
 516 }
 517
 518 static gint disposition_notification_send(MsgInfo *msginfo)
 519 {
 520         gchar buf[BUFFSIZE];
 521         gchar tmp[MAXPATHLEN + 1];
 522         FILE *fp;
 523         GList *ac_list;
 524         PrefsAccount *account = NULL;
 525         gint ok;
 526         gchar *to;
 527         FolderItem *queue, *outbox;
 528         gint num;
 529         gchar *path;
 530         gchar *addr;
 531         gchar *addrp;
 532         gchar *foo = NULL;
 533         if ((!msginfo->returnreceiptto) &&
 534             (!msginfo->dispositionnotificationto))
 535                 return -1;
 536
 537         /* RFC2298: Test for Return-Path */
 538         if (msginfo->dispositionnotificationto)
 539                 to = msginfo->dispositionnotificationto;
 540         else
 541                 to = msginfo->returnreceiptto;
 542
 543         ok = procheader_get_header_from_msginfo(msginfo, buf, sizeof(buf),
 544                                 "Return-Path:");
 545         if (ok == 0) {
 546                 gchar *to_addr = g_strdup(to);
 547                 extract_address(to_addr);
 548                 extract_address(buf);
 549                 ok = strcasecmp(to_addr, buf);
 550                 g_free(to_addr);
 551         } else {
 552                 strncpy(buf, _("<No Return-Path found>"),
 553                                 sizeof(buf));
 554         }
 555
 556         if (ok != 0) {
 557                 AlertValue val;
 558                 gchar *message;
 559                 message = g_strdup_printf(
 560                   _("The notification address to which the return receipt is\n"
 561                     "to be sent does not correspond to the return path:\n"
 562                     "Notification address: %s\n"
 563                     "Return path: %s\n"
 564                     "It is advised to not to send the return receipt."),
 565                   to, buf);
 566                 val = alertpanel_full(_("Warning"), message,
 567                                 _("_Don't Send"), _("_Send"), NULL, FALSE,
 568                                 NULL, ALERT_WARNING, G_ALERTDEFAULT);
 569                 g_free(message);
 570                 if (val != G_ALERTALTERNATE)
 571                         return -1;
 572         }
 573
 574         ac_list = account_find_all_from_address(NULL, msginfo->to);
 575         ac_list = account_find_all_from_address(ac_list, msginfo->cc);
 576
 577         if (ac_list == NULL) {
 578                 AlertValue val =
 579                 alertpanel_full(_("Warning"),
 580                   _("This message is asking for a return receipt notification\n"
 581                     "but according to its 'To:' and 'CC:' headers it was not\n"
 582                     "officially addressed to you.\n"
 583                     "It is advised to not to send the return receipt."),
 584                   _("_Don't Send"), _("_Send"), NULL, FALSE,
 585                   NULL, ALERT_WARNING, G_ALERTDEFAULT);
 586                 if (val != G_ALERTALTERNATE)
 587                         return -1;
 588         }
 589
 590         if (g_list_length(ac_list) > 1) {
 591                 if ((account = select_account_from_list(ac_list)) == NULL)
 592                         return -1;
 593         }
 594         else if (ac_list != NULL)
 595                 account = (PrefsAccount *) ac_list->data;
 596         g_list_free(ac_list);
 597
 598         if (account == NULL)
 599                 account = account_get_default();
 600         if (!account || account->protocol == A_NNTP) {
 601                 alertpanel_error(_("Account for sending mail is not specified.\n"
 602                                    "Please select a mail account before sending."));
 603                 return -1;
 604         }
 605
 606         /* write to temporary file */
 607         g_snprintf(tmp, sizeof(tmp), "%s%ctmpmsg%d",
 608                    get_rc_dir(), G_DIR_SEPARATOR, (gint)msginfo);
 609
 610         if ((fp = g_fopen(tmp, "wb")) == NULL) {
 611                 FILE_OP_ERROR(tmp, "fopen");
 612                 return -1;
 613         }
 614
 615         /* chmod for security */
 616         if (change_file_mode_rw(fp, tmp) < 0) {
 617                 FILE_OP_ERROR(tmp, "chmod");
 618                 g_warning("can't change file mode\n");
 619         }
 620
 621         addr = g_strdup(to);
 622
 623         extract_address(addr);
 624         addrp = addr;
 625
 626         /* write queue headers */
 627         fprintf(fp, "AF:\n");
 628         fprintf(fp, "NF:0\n");
 629         fprintf(fp, "PS:10\n");
 630         fprintf(fp, "SRH:1\n");
 631         fprintf(fp, "SFN:\n");
 632         fprintf(fp, "DSR:\n");
 633         fprintf(fp, "MID:\n");
 634         fprintf(fp, "CFG:\n");
 635         fprintf(fp, "PT:0\n");
 636         fprintf(fp, "S:%s\n", account->address);
 637         fprintf(fp, "RQ:\n");
 638         if (account->smtp_server)
 639                 fprintf(fp, "SSV:%s\n", account->smtp_server);
 640         else
 641                 fprintf(fp, "SSV:\n");
 642         fprintf(fp, "SSH:\n");
 643         fprintf(fp, "R:<%s>\n", addrp);
 644
 645         g_free(addrp);
 646
 647         /* check whether we need to save the message */
 648         outbox = account_get_special_folder(account, F_OUTBOX);
 649         if (folder_get_default_outbox() == outbox && !prefs_common.savemsg)
 650                 outbox = NULL;
 651         if (outbox) {
 652                 path = folder_item_get_identifier(outbox);
 653                 fprintf(fp, "SCF:%s\n", path);
 654                 g_free(path);
 655         }
 656
 657         fprintf(fp, "X-Sylpheed-End-Special-Headers: 1\n");
 658
 659         /* Date */
 660         get_rfc822_date(buf, sizeof(buf));
 661         fprintf(fp, "Date: %s\n", buf);
 662
 663         /* From */
 664         if (account->name && *account->name) {
 665                 notification_convert_header
 666                         (buf, sizeof(buf), account->name,
 667                          strlen("From: "));
 668                 fprintf(fp, "From: %s <%s>\n", buf, account->address);
 669         } else
 670                 fprintf(fp, "From: %s\n", account->address);
 671
 672         fprintf(fp, "To: %s\n", to);
 673
 674         /* Subject */
 675         notification_convert_header(buf, sizeof(buf), msginfo->subject,
 676                                     strlen("Subject: "));
 677         fprintf(fp, "Subject: Disposition notification: %s\n", buf);
 678
 679         /* Message ID */
 680         generate_msgid(buf, sizeof(buf));
 681         fprintf(fp, "Message-ID: <%s>\n", buf);
 682
 683         if (fclose(fp) == EOF) {
 684                 FILE_OP_ERROR(tmp, "fclose");
 685                 g_unlink(tmp);
 686                 return -1;
 687         }
 688
 689         /* put it in queue */
 690         queue = account_get_special_folder(account, F_QUEUE);
 691         if (!queue) queue = folder_get_default_queue();
 692         if (!queue) {
 693                 g_warning("can't find queue folder\n");
 694                 g_unlink(tmp);
 695                 return -1;
 696         }
 697         folder_item_scan(queue);
 698         if ((num = folder_item_add_msg(queue, tmp, NULL, TRUE)) < 0) {
 699                 g_warning("can't queue the message\n");
 700                 g_unlink(tmp);
 701                 return -1;
 702         }
 703
 704         if (prefs_common.work_offline &&
 705             !inc_offline_should_override(
 706                 _("Sylpheed-Claws needs network access in order "
 707                   "to send this email.")))
 708                 return 0;
 709
 710         /* send it */
 711         path = folder_item_fetch_msg(queue, num);
 712         ok = procmsg_send_message_queue(path, &foo);
 713         g_free(path);
 714         g_free(foo);
 715         folder_item_remove_msg(queue, num);
 716
 717         return ok;
 718 }
 719
 720 GList *messageview_get_window_list(void)
 721 {
 722         return messageview_list;
 723 }
 724
 725 static gboolean find_encrypted_func(GNode *node, gpointer data)
 726 {
 727         MimeInfo *mimeinfo = (MimeInfo *) node->data;
 728         MimeInfo **encinfo = (MimeInfo **) data;
 729
 730         if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
 731                 *encinfo = mimeinfo;
 732                 return TRUE;
 733         }
 734
 735         return FALSE;
 736 }
 737
 738 static MimeInfo *find_encrypted_part(MimeInfo *rootinfo)
 739 {
 740         MimeInfo *encinfo = NULL;
 741
 742         g_node_traverse(rootinfo->node, G_IN_ORDER, G_TRAVERSE_ALL, -1,
 743                 find_encrypted_func, &encinfo);
 744
 745         return encinfo;
 746 }
 747
 748 gint messageview_show(MessageView *messageview, MsgInfo *msginfo,
 749                       gboolean all_headers)
 750 {
 751         gchar *file;
 752         MimeInfo *mimeinfo, *encinfo;
 753         gchar *subject = NULL;
 754         g_return_val_if_fail(msginfo != NULL, -1);
 755
 756         if (messageview->toolbar)
 757                 toolbar_set_learn_button
 758                         (messageview->toolbar,
 759                          MSG_IS_SPAM(msginfo->flags)?LEARN_HAM:LEARN_SPAM);
 760         else
 761                 toolbar_set_learn_button
 762                         (messageview->mainwin->toolbar,
 763                          MSG_IS_SPAM(msginfo->flags)?LEARN_HAM:LEARN_SPAM);
 764
 765         if (messageview->toolbar) {
 766                 if (messageview->toolbar->learn_ham_btn)
 767                         gtk_widget_set_sensitive(
 768                                 messageview->toolbar->learn_ham_btn,
 769                                 procmsg_spam_can_learn());
 770                 if (messageview->toolbar->learn_spam_btn)
 771                         gtk_widget_set_sensitive(
 772                                 messageview->toolbar->learn_spam_btn,
 773                                 procmsg_spam_can_learn());
 774         }
 775         messageview->updating = TRUE;
 776         mimeinfo = procmime_scan_message(msginfo);
 777         messageview->updating = FALSE;
 778
 779         if (messageview->deferred_destroy) {
 780                 messageview_destroy(messageview);
 781                 return 0;
 782         }
 783
 784         if (!mimeinfo) {
 785                 textview_show_error(messageview->mimeview->textview);
 786                 return -1;
 787         }
 788
 789         while ((encinfo = find_encrypted_part(mimeinfo)) != NULL) {
 790                 debug_print("decrypting message part\n");
 791                 if (privacy_mimeinfo_decrypt(encinfo) < 0) {
 792                         alertpanel_error(_("Couldn't decrypt: %s"),
 793                                 privacy_get_error());
 794                         break;
 795                 }
 796         }
 797
 798         messageview->updating = TRUE;
 799         file = procmsg_get_message_file_path(msginfo);
 800         messageview->updating = FALSE;
 801
 802         if (messageview->deferred_destroy) {
 803                 g_free(file);
 804                 messageview_destroy(messageview);
 805                 return 0;
 806         }
 807
 808         if (!file) {
 809                 g_warning("can't get message file path.\n");
 810                 procmime_mimeinfo_free_all(mimeinfo);
 811                 textview_show_error(messageview->mimeview->textview);
 812                 return -1;
 813         }
 814
 815         if (messageview->msginfo != msginfo) {
 816                 procmsg_msginfo_free(messageview->msginfo);
 817                 messageview->msginfo = procmsg_msginfo_get_full_info(msginfo);
 818                 if (!messageview->msginfo)
 819                         messageview->msginfo = procmsg_msginfo_copy(msginfo);
 820         }
 821         headerview_show(messageview->headerview, messageview->msginfo);
 822
 823         textview_set_all_headers(messageview->mimeview->textview,
 824                         messageview->all_headers);
 825
 826         mimeview_show_message(messageview->mimeview, mimeinfo, file);
 827
 828         if (messageview->window)
 829                 gtk_window_set_title(GTK_WINDOW(messageview->window),
 830                                 _("Sylpheed-Claws - Message View"));
 831         if (messageview->window && msginfo->subject) {
 832                 subject = g_strdup(msginfo->subject);
 833                 if (!g_utf8_validate(subject, -1, NULL)) {
 834                         g_free(subject);
 835                         subject = g_malloc(strlen(msginfo->subject)*2 +1);
 836                         conv_localetodisp(subject, strlen(msginfo->subject)*2 +1,
 837                                 msginfo->subject);
 838                 }
 839                 if (g_utf8_validate(subject, -1, NULL))
 840                         gtk_window_set_title(GTK_WINDOW(messageview->window),
 841                                 subject);
 842                 g_free(subject);
 843         }
 844
 845         messageview_set_position(messageview, 0);
 846
 847         main_create_mailing_list_menu(messageview->mainwin, messageview->msginfo);
 848
 849         if (messageview->msginfo->partial_recv)
 850                 partial_recv_show(messageview->noticeview,
 851                                   messageview->msginfo);
 852         else if ((messageview->msginfo->dispositionnotificationto ||
 853              messageview->msginfo->returnreceiptto) &&
 854             !MSG_IS_RETRCPT_SENT(messageview->msginfo->flags) &&
 855             !prefs_common.never_send_retrcpt)
 856                 return_receipt_show(messageview->noticeview,
 857                                     messageview->msginfo);
 858         else
 859                 noticeview_hide(messageview->noticeview);
 860
 861         mimeinfo = procmime_mimeinfo_next(mimeinfo);
 862         if (mimeinfo && (mimeinfo->type != MIMETYPE_TEXT ||
 863             strcmp(mimeinfo->subtype, "plain"))) {
 864                 if (strcmp(mimeinfo->subtype, "html"))
 865                         mimeview_show_part(messageview->mimeview,mimeinfo);
 866                 else if (prefs_common.invoke_plugin_on_html)
 867                         mimeview_show_part(messageview->mimeview,mimeinfo);
 868         }
 869
 870         g_free(file);
 871
 872         return 0;
 873 }
 874
 875 void messageview_reflect_prefs_pixmap_theme(void)
 876 {
 877         GList *cur;
 878         MessageView *msgview;
 879
 880         for (cur = msgview_list; cur != NULL; cur = cur->next) {
 881                 msgview = (MessageView*)cur->data;
 882                 toolbar_update(TOOLBAR_MSGVIEW, msgview);
 883                 mimeview_update(msgview->mimeview);
 884         }
 885 }
 886
 887 void messageview_clear(MessageView *messageview)
 888 {
 889         procmsg_msginfo_free(messageview->msginfo);
 890         messageview->msginfo = NULL;
 891         messageview->filtered = FALSE;
 892         mimeview_clear(messageview->mimeview);
 893         headerview_clear(messageview->headerview);
 894         noticeview_hide(messageview->noticeview);
 895 }
 896
 897 void messageview_destroy(MessageView *messageview)
 898 {
 899         debug_print("destroy messageview\n");
 900         messageview_list = g_list_remove(messageview_list, messageview);
 901
 902         if (!messageview->deferred_destroy) {
 903                 hooks_unregister_hook(MSGINFO_UPDATE_HOOKLIST,
 904                               messageview->msginfo_update_callback_id);
 905         }
 906
 907         if (messageview->updating) {
 908                 debug_print("uh oh, better not touch that now\n");
 909                 messageview->deferred_destroy = TRUE;
 910                 gtk_widget_hide(messageview->window);
 911                 return;
 912         }
 913
 914         headerview_destroy(messageview->headerview);
 915         mimeview_destroy(messageview->mimeview);
 916         noticeview_destroy(messageview->noticeview);
 917
 918         procmsg_msginfo_free(messageview->msginfo);
 919         toolbar_clear_list(TOOLBAR_MSGVIEW);
 920         if (messageview->toolbar) {
 921                 toolbar_destroy(messageview->toolbar);
 922                 g_free(messageview->toolbar);
 923         }
 924
 925         msgview_list = g_list_remove(msgview_list, messageview);
 926
 927         if (messageview->window)
 928                 gtk_widget_destroy(messageview->window);
 929         g_free(messageview);
 930 }
 931
 932 void messageview_delete(MessageView *msgview)
 933 {
 934         MsgInfo *msginfo = NULL;
 935         FolderItem *trash = NULL;
 936         PrefsAccount *ac = NULL;
 937
 938         if (msgview->msginfo && msgview->mainwin && msgview->mainwin->summaryview)
 939                 msginfo = summary_get_selected_msg(msgview->mainwin->summaryview);
 940
 941         /* need a procmsg_msginfo_equal() */
 942         if (msginfo && msgview->msginfo &&
 943             msginfo->msgnum == msgview->msginfo->msgnum &&
 944             msginfo->folder == msgview->msginfo->folder) {
 945                 summary_delete_trash(msgview->mainwin->summaryview);
 946         } else {
 947                 msginfo = msgview->msginfo;
 948
 949                 g_return_if_fail(msginfo != NULL);
 950
 951                 /* to get the trash folder, we have to choose either
 952                  * the folder's or account's trash default - we prefer
 953                  * the one in the account prefs */
 954                 if (msginfo->folder) {
 955                         if (NULL != (ac = account_find_from_item(msginfo->folder)))
 956                                 trash = account_get_special_folder(ac, F_TRASH);
 957                         if (!trash && msginfo->folder->folder)
 958                                 trash = msginfo->folder->folder->trash;
 959                         /* if still not found, use the default */
 960                         if (!trash)
 961                                 trash = folder_get_default_trash();
 962                 }
 963
 964                 g_return_if_fail(trash != NULL);
 965
 966                 if (prefs_common.immediate_exec)
 967                         /* TODO: Delete from trash */
 968                         folder_item_move_msg(trash, msginfo);
 969                 else {
 970                         procmsg_msginfo_set_to_folder(msginfo, trash);
 971                         procmsg_msginfo_set_flags(msginfo, MSG_DELETED, 0);
 972                         /* NOTE: does not update to next message in summaryview */
 973                 }
 974         }
 975 }
 976
 977 /*
 978  * \brief update messageview with currently selected message in summaryview
 979  *        leave unchanged if summaryview is empty
 980  * \param pointer to MessageView
 981  */
 982 static void messageview_update(MessageView *msgview)
 983 {
 984         SummaryView *summaryview = (SummaryView*)msgview->mainwin->summaryview;
 985
 986         g_return_if_fail(summaryview != NULL);
 987
 988         if (summaryview->selected) {
 989                 GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
 990                 MsgInfo *msginfo = gtk_ctree_node_get_row_data(ctree,
 991                                                       summaryview->selected);
 992                 if (msginfo == NULL)
 993                         return;
 994
 995                 messageview_show(msgview, msginfo,
 996                                  msgview->all_headers);
 997         }
 998 }
 999
1000 void messageview_quote_color_set(void)
1001 {
1002 }
1003
1004 void messageview_set_font(MessageView *messageview)
1005 {
1006 }
1007
1008 TextView *messageview_get_current_textview(MessageView *messageview)
1009 {
1010         TextView *text = NULL;
1011
1012         text = messageview->mimeview->textview;
1013
1014         return text;
1015 }
1016
1017 MimeInfo *messageview_get_selected_mime_part(MessageView *messageview)
1018 {
1019         return mimeview_get_selected_part(messageview->mimeview);
1020 }
1021
1022 void messageview_copy_clipboard(MessageView *messageview)
1023 {
1024         TextView *text;
1025
1026         text = messageview_get_current_textview(messageview);
1027         if (text) {
1028                 GtkTextView *textview = GTK_TEXT_VIEW(text->text);
1029                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(textview);
1030                 GtkClipboard *clipboard
1031                         = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
1032
1033                 gtk_text_buffer_copy_clipboard(buffer, clipboard);
1034         }
1035 }
1036
1037 void messageview_select_all(MessageView *messageview)
1038 {
1039         TextView *text;
1040
1041         text = messageview_get_current_textview(messageview);
1042         if (text) {
1043                 GtkTextView *textview = GTK_TEXT_VIEW(text->text);
1044                 GtkTextBuffer *buffer;
1045                 GtkTextIter start, end;
1046
1047                 buffer = gtk_text_view_get_buffer(textview);
1048                 gtk_text_buffer_get_bounds(buffer, &start, &end);
1049                 gtk_text_buffer_select_range(buffer, &start, &end);
1050         }
1051 }
1052
1053 void messageview_set_position(MessageView *messageview, gint pos)
1054 {
1055         TextView *text;
1056
1057         text = messageview_get_current_textview(messageview);
1058         if (text)
1059                 textview_set_position(text, pos);
1060 }
1061
1062 gboolean messageview_search_string(MessageView *messageview, const gchar *str,
1063                                    gboolean case_sens)
1064 {
1065         TextView *text;
1066
1067         text = messageview_get_current_textview(messageview);
1068         if (text)
1069                 return textview_search_string(text, str, case_sens);
1070         return FALSE;
1071 }
1072
1073 gboolean messageview_search_string_backward(MessageView *messageview,
1074                                             const gchar *str,
1075                                             gboolean case_sens)
1076 {
1077         TextView *text;
1078
1079         text = messageview_get_current_textview(messageview);
1080         if (text)
1081                 return textview_search_string_backward(text,
1082                                                        str, case_sens);
1083         return FALSE;
1084 }
1085
1086 gboolean messageview_is_visible(MessageView *messageview)
1087 {
1088         if (messageview == NULL)
1089                 return FALSE;
1090         return messageview->visible;
1091 }
1092
1093 void messageview_save_as(MessageView *messageview)
1094 {
1095         gchar *filename = NULL;
1096         MsgInfo *msginfo;
1097         gchar *src, *dest, *tmp;
1098
1099         if (!messageview->msginfo) return;
1100         msginfo = messageview->msginfo;
1101
1102         if (msginfo->subject) {
1103                 Xstrdup_a(filename, msginfo->subject, return);
1104                 subst_for_filename(filename);
1105         }
1106         dest = filesel_select_file_save(_("Save as"), filename);
1107         if (!dest) return;
1108         if (is_file_exist(dest)) {
1109                 AlertValue aval;
1110
1111                 aval = alertpanel(_("Overwrite"),
1112                                   _("Overwrite existing file?"),
1113                                   GTK_STOCK_CANCEL, GTK_STOCK_OK, NULL);
1114                 if (G_ALERTALTERNATE != aval) return;
1115         }
1116
1117         src = procmsg_get_message_file(msginfo);
1118         if (copy_file(src, dest, TRUE) < 0) {
1119                 tmp =  g_path_get_basename(dest);
1120                 alertpanel_error(_("Can't save the file '%s'."), tmp);
1121                 g_free(tmp);
1122         }
1123         g_free(dest);
1124         g_free(src);
1125 }
1126
1127 static gint messageview_delete_cb(GtkWidget *widget, GdkEventAny *event,
1128                                   MessageView *messageview)
1129 {
1130         messageview_destroy(messageview);
1131         return TRUE;
1132 }
1133
1134 static void messageview_size_allocate_cb(GtkWidget *widget,
1135                                          GtkAllocation *allocation)
1136 {
1137         g_return_if_fail(allocation != NULL);
1138
1139         prefs_common.msgwin_width  = allocation->width;
1140         prefs_common.msgwin_height = allocation->height;
1141 }
1142
1143 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
1144                         MessageView *messageview)
1145 {
1146         if (event && event->keyval == GDK_Escape && messageview->window) {
1147                 messageview_destroy(messageview);
1148                 return TRUE;
1149         }
1150
1151         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0)
1152                 return FALSE;
1153
1154         g_signal_stop_emission_by_name(G_OBJECT(widget),
1155                                         "key_press_event");
1156         mimeview_pass_key_press_event(messageview->mimeview, event);
1157         return FALSE;
1158 }
1159
1160 void messageview_toggle_view_real(MessageView *messageview)
1161 {
1162         MainWindow *mainwin = messageview->mainwin;
1163         union CompositeWin *cwin = &mainwin->win;
1164         GtkWidget *vpaned = NULL;
1165         GtkWidget *container = NULL;
1166         GtkItemFactory *ifactory = gtk_item_factory_from_widget(mainwin->menubar);
1167
1168         switch (mainwin->type) {
1169         case SEPARATE_NONE:
1170                 vpaned = cwin->sep_none.vpaned;
1171                 container = cwin->sep_none.hpaned;
1172                 break;
1173         case SEPARATE_FOLDER:
1174                 vpaned = cwin->sep_folder.vpaned;
1175                 container = mainwin->vbox_body;
1176                 break;
1177         case SEPARATE_MESSAGE:
1178         case SEPARATE_BOTH:
1179                 return;
1180         }
1181
1182         if (vpaned->parent != NULL) {
1183                 gtk_widget_ref(vpaned);
1184                 gtkut_container_remove(GTK_CONTAINER(container), vpaned);
1185                 gtk_widget_reparent(GTK_WIDGET_PTR(messageview), container);
1186                 menu_set_sensitive(ifactory, "/View/Expand Summary View", FALSE);
1187         } else {
1188                 gtk_widget_reparent(GTK_WIDGET_PTR(messageview), vpaned);
1189                 gtk_container_add(GTK_CONTAINER(container), vpaned);
1190                 gtk_widget_unref(vpaned);
1191                 menu_set_sensitive(ifactory, "/View/Expand Summary View", TRUE);
1192                 gtk_widget_grab_focus(GTK_WIDGET(mainwin->summaryview->ctree));
1193         }
1194 }
1195
1196 static void return_receipt_show(NoticeView *noticeview, MsgInfo *msginfo)
1197 {
1198         if (msginfo->folder
1199                 && (folder_has_parent_of_type(msginfo->folder, F_QUEUE)
1200                  || folder_has_parent_of_type(msginfo->folder, F_DRAFT)))
1201                 return;
1202
1203         noticeview_set_text(noticeview, _("This message asks for a return receipt."));
1204         noticeview_set_button_text(noticeview, _("Send receipt"));
1205         noticeview_set_button_press_callback(noticeview,
1206                                              G_CALLBACK(return_receipt_send_clicked),
1207                                              (gpointer) msginfo);
1208         noticeview_show(noticeview);
1209 }
1210
1211 static void return_receipt_send_clicked(NoticeView *noticeview, MsgInfo *msginfo)
1212 {
1213         MsgInfo *tmpmsginfo;
1214         gchar *file;
1215
1216         file = procmsg_get_message_file_path(msginfo);
1217         if (!file) {
1218                 g_warning("can't get message file path.\n");
1219                 return;
1220         }
1221
1222         tmpmsginfo = procheader_parse_file(file, msginfo->flags, TRUE, TRUE);
1223         tmpmsginfo->folder = msginfo->folder;
1224         tmpmsginfo->msgnum = msginfo->msgnum;
1225
1226         if (disposition_notification_send(tmpmsginfo) >= 0) {
1227                 procmsg_msginfo_set_flags(msginfo, MSG_RETRCPT_SENT, 0);
1228                 noticeview_hide(noticeview);
1229         }
1230
1231         procmsg_msginfo_free(tmpmsginfo);
1232         g_free(file);
1233 }
1234
1235 static void partial_recv_show(NoticeView *noticeview, MsgInfo *msginfo)
1236 {
1237         gchar *text = NULL;
1238         gchar *button1 = NULL;
1239         gchar *button2 = NULL;
1240         void  *button1_cb = NULL;
1241         void  *button2_cb = NULL;
1242
1243         if (!partial_msg_in_uidl_list(msginfo)) {
1244                 text = g_strdup_printf(_("This message has been partially "
1245                                 "retrieved,\nand has been deleted from the "
1246                                 "server."));
1247         } else {
1248                 switch (msginfo->planned_download) {
1249                 case POP3_PARTIAL_DLOAD_UNKN:
1250                         text = g_strdup_printf(_("This message has been "
1251                                         "partially retrieved;\nit is %s."),
1252                                         to_human_readable(
1253                                                 (off_t)(msginfo->total_size)));
1254                         button1 = _("Mark for download");
1255                         button2 = _("Mark for deletion");
1256                         button1_cb = partial_recv_dload_clicked;
1257                         button2_cb = partial_recv_del_clicked;
1258                         break;
1259                 case POP3_PARTIAL_DLOAD_DLOAD:
1260                         text = g_strdup_printf(_("This message has been "
1261                                         "partially retrieved;\nit is %s and "
1262                                         "will be downloaded."),
1263                                         to_human_readable(
1264                                                 (off_t)(msginfo->total_size)));
1265                         button1 = _("Unmark");
1266                         button1_cb = partial_recv_unmark_clicked;
1267                         button2 = _("Mark for deletion");
1268                         button2_cb = partial_recv_del_clicked;
1269                         break;
1270                 case POP3_PARTIAL_DLOAD_DELE:
1271                         text = g_strdup_printf(_("This message has been "
1272                                         "partially retrieved;\nit is %s and "
1273                                         "will be deleted."),
1274                                         to_human_readable(
1275                                                 (off_t)(msginfo->total_size)));
1276                         button1 = _("Mark for download");
1277                         button1_cb = partial_recv_dload_clicked;
1278                         button2 = _("Unmark");
1279                         button2_cb = partial_recv_unmark_clicked;
1280                         break;
1281                 default:
1282                         return;
1283                 }
1284         }
1285
1286         noticeview_set_text(noticeview, text);
1287         g_free(text);
1288         noticeview_set_button_text(noticeview, button1);
1289         noticeview_set_button_press_callback(noticeview,
1290                      G_CALLBACK(button1_cb), (gpointer) msginfo);
1291
1292         noticeview_set_2ndbutton_text(noticeview, button2);
1293         noticeview_set_2ndbutton_press_callback(noticeview,
1294                      G_CALLBACK(button2_cb), (gpointer) msginfo);
1295
1296         noticeview_show(noticeview);
1297 }
1298
1299 static void partial_recv_dload_clicked(NoticeView *noticeview,
1300                                        MsgInfo *msginfo)
1301 {
1302         if (partial_mark_for_download(msginfo) == 0) {
1303                 partial_recv_show(noticeview, msginfo);
1304         }
1305 }
1306
1307 static void partial_recv_del_clicked(NoticeView *noticeview,
1308                                        MsgInfo *msginfo)
1309 {
1310         if (partial_mark_for_delete(msginfo) == 0) {
1311                 partial_recv_show(noticeview, msginfo);
1312         }
1313 }
1314
1315 static void partial_recv_unmark_clicked(NoticeView *noticeview,
1316                                        MsgInfo *msginfo)
1317 {
1318         if (partial_unmark(msginfo) == 0) {
1319                 partial_recv_show(noticeview, msginfo);
1320         }
1321 }
1322
1323 static void select_account_cb(GtkWidget *w, gpointer data)
1324 {
1325         *(gint*)data = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(w), MENU_VAL_ID));
1326 }
1327
1328 static PrefsAccount *select_account_from_list(GList *ac_list)
1329 {
1330         GtkWidget *optmenu;
1331         GtkWidget *menu;
1332         gint account_id;
1333
1334         g_return_val_if_fail(ac_list != NULL, NULL);
1335         g_return_val_if_fail(ac_list->data != NULL, NULL);
1336
1337         optmenu = gtk_option_menu_new();
1338         menu = gtkut_account_menu_new(ac_list,
1339                         G_CALLBACK(select_account_cb),
1340                         &account_id);
1341         if (!menu)
1342                 return NULL;
1343         gtk_option_menu_set_menu(GTK_OPTION_MENU(optmenu), menu);
1344         gtk_option_menu_set_history(GTK_OPTION_MENU(optmenu), 0);
1345         account_id = ((PrefsAccount *) ac_list->data)->account_id;
1346         if (alertpanel_with_widget(
1347                                 _("Return Receipt Notification"),
1348                                 _("The message was sent to several of your "
1349                                   "accounts.\n"
1350                                   "Please choose which account do you want to "
1351                                   "use for sending the receipt notification:"),
1352                                 _("_Send Notification"), _("+_Cancel"), NULL,
1353                                 optmenu) != G_ALERTDEFAULT)
1354                 return NULL;
1355         return account_find_from_id(account_id);
1356 }
1357
1358 /*
1359  * \brief return selected messageview text, when nothing is
1360  *        selected and message was filtered, return complete text
1361  *
1362  * \param  pointer to Messageview
1363  *
1364  * \return pointer to text (needs to be free'd by calling func)
1365  */
1366 gchar *messageview_get_selection(MessageView *msgview)
1367 {
1368         TextView *textview;
1369         gchar *text = NULL;
1370         GtkTextView *edit = NULL;
1371         GtkTextBuffer *textbuf;
1372         gint body_pos = 0;
1373
1374         g_return_val_if_fail(msgview != NULL, NULL);
1375
1376         textview = messageview_get_current_textview(msgview);
1377         g_return_val_if_fail(textview != NULL, NULL);
1378
1379         edit = GTK_TEXT_VIEW(textview->text);
1380         g_return_val_if_fail(edit != NULL, NULL);
1381         body_pos = textview->body_pos;
1382
1383         textbuf = gtk_text_view_get_buffer(edit);
1384
1385         if (gtk_text_buffer_get_selection_bounds(textbuf, NULL, NULL))
1386                 return gtkut_text_view_get_selection(edit);
1387         else if (msgview->filtered) {
1388                 GtkTextIter start_iter, end_iter;
1389                 gtk_text_buffer_get_iter_at_offset(textbuf, &start_iter, body_pos);
1390                 gtk_text_buffer_get_end_iter(textbuf, &end_iter);
1391                 gtk_text_buffer_get_text(textbuf, &start_iter, &end_iter, FALSE);
1392         } else
1393                 text = NULL;
1394
1395         return text;
1396 }
1397
1398 static void save_as_cb(gpointer data, guint action, GtkWidget *widget)
1399 {
1400         MessageView *messageview = (MessageView *)data;
1401         messageview_save_as(messageview);
1402 }
1403
1404 static void print_cb(gpointer data, guint action, GtkWidget *widget)
1405 {
1406         MessageView *messageview = (MessageView *)data;
1407 #ifndef USE_GNOMEPRINT
1408         gchar *cmdline = NULL;
1409         gchar *p;
1410 #endif
1411
1412         if (!messageview->msginfo) return;
1413 #ifndef USE_GNOMEPRINT
1414         cmdline = input_dialog(_("Print"),
1415                                _("Enter the print command line:\n"
1416                                  "('%s' will be replaced with file name)"),
1417                                prefs_common.print_cmd);
1418         if (!cmdline) return;
1419         if (!(p = strchr(cmdline, '%')) || *(p + 1) != 's' ||
1420             strchr(p + 2, '%')) {
1421                 alertpanel_error(_("Print command line is invalid:\n'%s'"),
1422                                  cmdline);
1423                 g_free(cmdline);
1424                 return;
1425         }
1426         procmsg_print_message(messageview->msginfo, cmdline);
1427         g_free(cmdline);
1428 #else
1429         if (!messageview->mimeview
1430         ||  !messageview->mimeview->textview
1431         ||  !messageview->mimeview->textview->text)
1432                 alertpanel_warning(_("Cannot print: the message doesn't "
1433                                      "contain text."));
1434
1435         gedit_print(
1436                 GTK_TEXT_VIEW(messageview->mimeview
1437                                 ->textview->text));
1438 #endif
1439 }
1440
1441 static void close_cb(gpointer data, guint action, GtkWidget *widget)
1442 {
1443         MessageView *messageview = (MessageView *)data;
1444         messageview_destroy(messageview);
1445 }
1446
1447 static void copy_cb(gpointer data, guint action, GtkWidget *widget)
1448 {
1449         MessageView *messageview = (MessageView *)data;
1450         messageview_copy_clipboard(messageview);
1451 }
1452
1453 static void allsel_cb(gpointer data, guint action, GtkWidget *widget)
1454 {
1455         MessageView *messageview = (MessageView *)data;
1456         messageview_select_all(messageview);
1457 }
1458
1459 static void search_cb(gpointer data, guint action, GtkWidget *widget)
1460 {
1461         MessageView *messageview = (MessageView *)data;
1462         message_search(messageview);
1463 }
1464
1465 static void set_charset_cb(gpointer data, guint action, GtkWidget *widget)
1466 {
1467         MessageView *messageview = (MessageView *)data;
1468         const gchar *charset;
1469
1470         if (GTK_CHECK_MENU_ITEM(widget)->active) {
1471                 charset = conv_get_charset_str((CharSet)action);
1472                 g_free(messageview->forced_charset);
1473                 messageview->forced_charset = g_strdup(charset);
1474                 procmime_force_charset(charset);
1475
1476                 messageview_show(messageview, messageview->msginfo, FALSE);
1477         }
1478 }
1479
1480 static void set_decode_cb(gpointer data, guint action, GtkWidget *widget)
1481 {
1482         MessageView *messageview = (MessageView *)data;
1483         if (GTK_CHECK_MENU_ITEM(widget)->active) {
1484                 messageview->forced_encoding = (EncodingType)action;
1485
1486                 messageview_show(messageview, messageview->msginfo, FALSE);
1487
1488                 debug_print("forced encoding: %d\n", action);
1489         }
1490 }
1491
1492
1493 static void view_source_cb(gpointer data, guint action, GtkWidget *widget)
1494 {
1495         MessageView *messageview = (MessageView *)data;
1496         SourceWindow *srcwin;
1497
1498         if (!messageview->msginfo) return;
1499
1500         srcwin = source_window_create();
1501         source_window_show_msg(srcwin, messageview->msginfo);
1502         source_window_show(srcwin);
1503 }
1504
1505 static void show_all_header_cb(gpointer data, guint action, GtkWidget *widget)
1506 {
1507         MessageView *messageview = (MessageView *)data;
1508         MsgInfo *msginfo = messageview->msginfo;
1509
1510         messageview->all_headers =
1511                         GTK_CHECK_MENU_ITEM(widget)->active;
1512         if (!msginfo) return;
1513         messageview->msginfo = NULL;
1514         messageview_show(messageview, msginfo,
1515                          GTK_CHECK_MENU_ITEM(widget)->active);
1516         procmsg_msginfo_free(msginfo);
1517         main_window_set_menu_sensitive(messageview->mainwin);
1518 }
1519
1520 static void compose_cb(gpointer data, guint action, GtkWidget *widget)
1521 {
1522         MessageView *messageview = (MessageView *)data;
1523         PrefsAccount *ac = NULL;
1524         FolderItem *item = NULL;
1525
1526         if (messageview->msginfo)
1527                 item = messageview->msginfo->folder;
1528
1529         if (item) {
1530                 ac = account_find_from_item(item);
1531                 if (ac && ac->protocol == A_NNTP &&
1532                     item->stype == F_NEWS) {
1533                         compose_new(ac, item->path, NULL);
1534                         return;
1535                 }
1536         }
1537
1538         compose_new(ac, NULL, NULL);
1539 }
1540
1541 static void reply_cb(gpointer data, guint action, GtkWidget *widget)
1542 {
1543         MessageView *messageview = (MessageView *)data;
1544         GSList *msginfo_list = NULL;
1545
1546         g_return_if_fail(messageview->msginfo);
1547
1548         msginfo_list = g_slist_append(msginfo_list, messageview->msginfo);
1549         compose_reply_from_messageview(messageview, msginfo_list, action);
1550         g_slist_free(msginfo_list);
1551 }
1552
1553 static void reedit_cb(gpointer data, guint action, GtkWidget *widget)
1554 {
1555         MessageView *messageview = (MessageView *)data;
1556         MsgInfo *msginfo;
1557
1558         if (!messageview->msginfo) return;
1559         msginfo = messageview->msginfo;
1560         if (!msginfo->folder) return;
1561         if (!folder_has_parent_of_type(msginfo->folder, F_DRAFT) &&
1562             !folder_has_parent_of_type(msginfo->folder, F_OUTBOX) &&
1563             !folder_has_parent_of_type(msginfo->folder, F_QUEUE))
1564                 return;
1565
1566         compose_reedit(msginfo, FALSE);
1567 }
1568
1569 static void addressbook_open_cb(gpointer data, guint action, GtkWidget *widget)
1570 {
1571         addressbook_open(NULL);
1572 }
1573
1574 static void add_address_cb(gpointer data, guint action, GtkWidget *widget)
1575 {
1576         MessageView *messageview = (MessageView *)data;
1577         MsgInfo *msginfo;
1578         gchar *from;
1579
1580         if (!messageview->msginfo) return;
1581         msginfo = messageview->msginfo;
1582         Xstrdup_a(from, msginfo->from, return);
1583         eliminate_address_comment(from);
1584         extract_address(from);
1585         addressbook_add_contact(msginfo->fromname, from, NULL);
1586 }
1587
1588 static void create_filter_cb(gpointer data, guint action, GtkWidget *widget)
1589 {
1590         MessageView *messageview = (MessageView *)data;
1591         FolderItem * item;
1592
1593         if (!messageview->msginfo) return;
1594
1595         item = messageview->msginfo->folder;
1596         summary_msginfo_filter_open(item,  messageview->msginfo,
1597                                     (PrefsFilterType)action, 0);
1598 }
1599
1600 static void create_processing_cb(gpointer data, guint action,
1601                                  GtkWidget *widget)
1602 {
1603         MessageView *messageview = (MessageView *)data;
1604         FolderItem * item;
1605
1606         if (!messageview->msginfo) return;
1607
1608         item = messageview->msginfo->folder;
1609         summary_msginfo_filter_open(item,  messageview->msginfo,
1610                                     (PrefsFilterType)action, 1);
1611 }
1612
1613 static void about_cb(gpointer data, guint action, GtkWidget *widget)
1614 {
1615         about_show();
1616 }
1617
1618 static gboolean messageview_update_msg(gpointer source, gpointer data)
1619 {
1620         MsgInfoUpdate *msginfo_update = (MsgInfoUpdate *) source;
1621         MessageView *messageview = (MessageView *)data;
1622
1623         if (messageview->msginfo != msginfo_update->msginfo)
1624                 return FALSE;
1625
1626         if (msginfo_update->flags & MSGINFO_UPDATE_DELETED) {
1627                 messageview_clear(messageview);
1628                 messageview_update(messageview);
1629         }
1630
1631         return FALSE;
1632 }
1633
1634 void messageview_set_menu_sensitive(MessageView *messageview)
1635 {
1636         GtkItemFactory *ifactory;
1637         GtkWidget *menuitem;
1638
1639         if (!messageview || !messageview->new_window)
1640                 return;
1641         /* do some smart things */
1642         if (!messageview->menubar) return;
1643         ifactory = gtk_item_factory_from_widget(messageview->menubar);
1644         if (!ifactory) return;
1645         if (messageview->mainwin->type == SEPARATE_MESSAGE) {
1646                 menuitem = gtk_item_factory_get_widget(ifactory, "/View/Show all headers");
1647                 gtk_check_menu_item_set_active
1648                         (GTK_CHECK_MENU_ITEM(menuitem),
1649                          messageview->mimeview->textview->show_all_headers);
1650         }
1651 }
1652
1653 void messageview_learn (MessageView *msgview, gboolean is_spam)
1654 {
1655         if (is_spam) {
1656                 if (procmsg_spam_learner_learn(msgview->msginfo, NULL, TRUE) == 0)
1657                         procmsg_msginfo_set_flags(msgview->msginfo, MSG_SPAM, 0);
1658                 else
1659                         log_error(_("An error happened while learning.\n"));
1660
1661         } else {
1662                 if (procmsg_spam_learner_learn(msgview->msginfo, NULL, FALSE) == 0)
1663                         procmsg_msginfo_unset_flags(msgview->msginfo, MSG_SPAM, 0);
1664                 else
1665                         log_error(_("An error happened while learning.\n"));
1666         }
1667         if (msgview->toolbar)
1668                 toolbar_set_learn_button
1669                         (msgview->toolbar,
1670                          MSG_IS_SPAM(msgview->msginfo->flags)?LEARN_HAM:LEARN_SPAM);
1671         else
1672                 toolbar_set_learn_button
1673                         (msgview->mainwin->toolbar,
1674                          MSG_IS_SPAM(msgview->msginfo->flags)?LEARN_HAM:LEARN_SPAM);
1675 }