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