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 - 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                 return_receipt_show(messageview->noticeview,
 856                                     messageview->msginfo);
 857         else
 858                 noticeview_hide(messageview->noticeview);
 859
 860         mimeinfo = procmime_mimeinfo_next(mimeinfo);
 861         if (mimeinfo && (mimeinfo->type != MIMETYPE_TEXT ||
 862             strcmp(mimeinfo->subtype, "plain"))) {
 863                 if (strcmp(mimeinfo->subtype, "html"))
 864                         mimeview_show_part(messageview->mimeview,mimeinfo);
 865                 else if (prefs_common.invoke_plugin_on_html)
 866                         mimeview_show_part(messageview->mimeview,mimeinfo);
 867         }
 868
 869         g_free(file);
 870
 871         return 0;
 872 }
 873
 874 void messageview_reflect_prefs_pixmap_theme(void)
 875 {
 876         GList *cur;
 877         MessageView *msgview;
 878
 879         for (cur = msgview_list; cur != NULL; cur = cur->next) {
 880                 msgview = (MessageView*)cur->data;
 881                 toolbar_update(TOOLBAR_MSGVIEW, msgview);
 882                 mimeview_update(msgview->mimeview);
 883         }
 884 }
 885
 886 void messageview_clear(MessageView *messageview)
 887 {
 888         procmsg_msginfo_free(messageview->msginfo);
 889         messageview->msginfo = NULL;
 890         messageview->filtered = FALSE;
 891         mimeview_clear(messageview->mimeview);
 892         headerview_clear(messageview->headerview);
 893         noticeview_hide(messageview->noticeview);
 894 }
 895
 896 void messageview_destroy(MessageView *messageview)
 897 {
 898         debug_print("destroy messageview\n");
 899         messageview_list = g_list_remove(messageview_list, messageview);
 900
 901         if (!messageview->deferred_destroy) {
 902                 hooks_unregister_hook(MSGINFO_UPDATE_HOOKLIST,
 903                               messageview->msginfo_update_callback_id);
 904         }
 905
 906         if (messageview->updating) {
 907                 debug_print("uh oh, better not touch that now\n");
 908                 messageview->deferred_destroy = TRUE;
 909                 gtk_widget_hide(messageview->window);
 910                 return;
 911         }
 912
 913         headerview_destroy(messageview->headerview);
 914         mimeview_destroy(messageview->mimeview);
 915         noticeview_destroy(messageview->noticeview);
 916
 917         procmsg_msginfo_free(messageview->msginfo);
 918         toolbar_clear_list(TOOLBAR_MSGVIEW);
 919         if (messageview->toolbar) {
 920                 toolbar_destroy(messageview->toolbar);
 921                 g_free(messageview->toolbar);
 922         }
 923
 924         msgview_list = g_list_remove(msgview_list, messageview);
 925
 926         if (messageview->window)
 927                 gtk_widget_destroy(messageview->window);
 928         g_free(messageview);
 929 }
 930
 931 void messageview_delete(MessageView *msgview)
 932 {
 933         MsgInfo *msginfo = NULL;
 934         FolderItem *trash = NULL;
 935         PrefsAccount *ac = NULL;
 936
 937         if (msgview->msginfo && msgview->mainwin && msgview->mainwin->summaryview)
 938                 msginfo = summary_get_selected_msg(msgview->mainwin->summaryview);
 939
 940         /* need a procmsg_msginfo_equal() */
 941         if (msginfo && msgview->msginfo &&
 942             msginfo->msgnum == msgview->msginfo->msgnum &&
 943             msginfo->folder == msgview->msginfo->folder) {
 944                 summary_delete_trash(msgview->mainwin->summaryview);
 945         } else {
 946                 msginfo = msgview->msginfo;
 947
 948                 g_return_if_fail(msginfo != NULL);
 949
 950                 /* to get the trash folder, we have to choose either
 951                  * the folder's or account's trash default - we prefer
 952                  * the one in the account prefs */
 953                 if (msginfo->folder) {
 954                         if (NULL != (ac = account_find_from_item(msginfo->folder)))
 955                                 trash = account_get_special_folder(ac, F_TRASH);
 956                         if (!trash && msginfo->folder->folder)
 957                                 trash = msginfo->folder->folder->trash;
 958                         /* if still not found, use the default */
 959                         if (!trash)
 960                                 trash = folder_get_default_trash();
 961                 }
 962
 963                 g_return_if_fail(trash != NULL);
 964
 965                 if (prefs_common.immediate_exec)
 966                         /* TODO: Delete from trash */
 967                         folder_item_move_msg(trash, msginfo);
 968                 else {
 969                         procmsg_msginfo_set_to_folder(msginfo, trash);
 970                         procmsg_msginfo_set_flags(msginfo, MSG_DELETED, 0);
 971                         /* NOTE: does not update to next message in summaryview */
 972                 }
 973         }
 974 }
 975
 976 /*
 977  * \brief update messageview with currently selected message in summaryview
 978  *        leave unchanged if summaryview is empty
 979  * \param pointer to MessageView
 980  */
 981 static void messageview_update(MessageView *msgview)
 982 {
 983         SummaryView *summaryview = (SummaryView*)msgview->mainwin->summaryview;
 984
 985         g_return_if_fail(summaryview != NULL);
 986
 987         if (summaryview->selected) {
 988                 GtkCTree *ctree = GTK_CTREE(summaryview->ctree);
 989                 MsgInfo *msginfo = gtk_ctree_node_get_row_data(ctree,
 990                                                       summaryview->selected);
 991                 if (msginfo == NULL)
 992                         return;
 993
 994                 messageview_show(msgview, msginfo,
 995                                  msgview->all_headers);
 996         }
 997 }
 998
 999 void messageview_quote_color_set(void)
1000 {
1001 }
1002
1003 void messageview_set_font(MessageView *messageview)
1004 {
1005 }
1006
1007 TextView *messageview_get_current_textview(MessageView *messageview)
1008 {
1009         TextView *text = NULL;
1010
1011         text = messageview->mimeview->textview;
1012
1013         return text;
1014 }
1015
1016 MimeInfo *messageview_get_selected_mime_part(MessageView *messageview)
1017 {
1018         return mimeview_get_selected_part(messageview->mimeview);
1019 }
1020
1021 void messageview_copy_clipboard(MessageView *messageview)
1022 {
1023         TextView *text;
1024
1025         text = messageview_get_current_textview(messageview);
1026         if (text) {
1027                 GtkTextView *textview = GTK_TEXT_VIEW(text->text);
1028                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(textview);
1029                 GtkClipboard *clipboard
1030                         = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
1031
1032                 gtk_text_buffer_copy_clipboard(buffer, clipboard);
1033         }
1034 }
1035
1036 void messageview_select_all(MessageView *messageview)
1037 {
1038         TextView *text;
1039
1040         text = messageview_get_current_textview(messageview);
1041         if (text) {
1042                 GtkTextView *textview = GTK_TEXT_VIEW(text->text);
1043                 GtkTextBuffer *buffer;
1044                 GtkTextIter start, end;
1045
1046                 buffer = gtk_text_view_get_buffer(textview);
1047                 gtk_text_buffer_get_bounds(buffer, &start, &end);
1048                 gtk_text_buffer_select_range(buffer, &start, &end);
1049         }
1050 }
1051
1052 void messageview_set_position(MessageView *messageview, gint pos)
1053 {
1054         TextView *text;
1055
1056         text = messageview_get_current_textview(messageview);
1057         if (text)
1058                 textview_set_position(text, pos);
1059 }
1060
1061 gboolean messageview_search_string(MessageView *messageview, const gchar *str,
1062                                    gboolean case_sens)
1063 {
1064         TextView *text;
1065
1066         text = messageview_get_current_textview(messageview);
1067         if (text)
1068                 return textview_search_string(text, str, case_sens);
1069         return FALSE;
1070 }
1071
1072 gboolean messageview_search_string_backward(MessageView *messageview,
1073                                             const gchar *str,
1074                                             gboolean case_sens)
1075 {
1076         TextView *text;
1077
1078         text = messageview_get_current_textview(messageview);
1079         if (text)
1080                 return textview_search_string_backward(text,
1081                                                        str, case_sens);
1082         return FALSE;
1083 }
1084
1085 gboolean messageview_is_visible(MessageView *messageview)
1086 {
1087         if (messageview == NULL)
1088                 return FALSE;
1089         return messageview->visible;
1090 }
1091
1092 void messageview_save_as(MessageView *messageview)
1093 {
1094         gchar *filename = NULL;
1095         MsgInfo *msginfo;
1096         gchar *src, *dest, *tmp;
1097
1098         if (!messageview->msginfo) return;
1099         msginfo = messageview->msginfo;
1100
1101         if (msginfo->subject) {
1102                 Xstrdup_a(filename, msginfo->subject, return);
1103                 subst_for_filename(filename);
1104         }
1105         dest = filesel_select_file_save(_("Save as"), filename);
1106         if (!dest) return;
1107         if (is_file_exist(dest)) {
1108                 AlertValue aval;
1109
1110                 aval = alertpanel(_("Overwrite"),
1111                                   _("Overwrite existing file?"),
1112                                   GTK_STOCK_CANCEL, GTK_STOCK_OK, NULL);
1113                 if (G_ALERTALTERNATE != aval) return;
1114         }
1115
1116         src = procmsg_get_message_file(msginfo);
1117         if (copy_file(src, dest, TRUE) < 0) {
1118                 tmp =  g_path_get_basename(dest);
1119                 alertpanel_error(_("Can't save the file '%s'."), tmp);
1120                 g_free(tmp);
1121         }
1122         g_free(dest);
1123         g_free(src);
1124 }
1125
1126 static gint messageview_delete_cb(GtkWidget *widget, GdkEventAny *event,
1127                                   MessageView *messageview)
1128 {
1129         messageview_destroy(messageview);
1130         return TRUE;
1131 }
1132
1133 static void messageview_size_allocate_cb(GtkWidget *widget,
1134                                          GtkAllocation *allocation)
1135 {
1136         g_return_if_fail(allocation != NULL);
1137
1138         prefs_common.msgwin_width  = allocation->width;
1139         prefs_common.msgwin_height = allocation->height;
1140 }
1141
1142 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
1143                         MessageView *messageview)
1144 {
1145         if (event && event->keyval == GDK_Escape && messageview->window) {
1146                 messageview_destroy(messageview);
1147                 return TRUE;
1148         }
1149
1150         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0)
1151                 return FALSE;
1152
1153         g_signal_stop_emission_by_name(G_OBJECT(widget),
1154                                         "key_press_event");
1155         mimeview_pass_key_press_event(messageview->mimeview, event);
1156         return FALSE;
1157 }
1158
1159 void messageview_toggle_view_real(MessageView *messageview)
1160 {
1161         MainWindow *mainwin = messageview->mainwin;
1162         union CompositeWin *cwin = &mainwin->win;
1163         GtkWidget *vpaned = NULL;
1164         GtkWidget *container = NULL;
1165         GtkItemFactory *ifactory = gtk_item_factory_from_widget(mainwin->menubar);
1166
1167         switch (mainwin->type) {
1168         case SEPARATE_NONE:
1169                 vpaned = cwin->sep_none.vpaned;
1170                 container = cwin->sep_none.hpaned;
1171                 break;
1172         case SEPARATE_FOLDER:
1173                 vpaned = cwin->sep_folder.vpaned;
1174                 container = mainwin->vbox_body;
1175                 break;
1176         case SEPARATE_MESSAGE:
1177         case SEPARATE_BOTH:
1178                 return;
1179         }
1180
1181         if (vpaned->parent != NULL) {
1182                 gtk_widget_ref(vpaned);
1183                 gtkut_container_remove(GTK_CONTAINER(container), vpaned);
1184                 gtk_widget_reparent(GTK_WIDGET_PTR(messageview), container);
1185                 menu_set_sensitive(ifactory, "/View/Expand Summary View", FALSE);
1186         } else {
1187                 gtk_widget_reparent(GTK_WIDGET_PTR(messageview), vpaned);
1188                 gtk_container_add(GTK_CONTAINER(container), vpaned);
1189                 gtk_widget_unref(vpaned);
1190                 menu_set_sensitive(ifactory, "/View/Expand Summary View", TRUE);
1191                 gtk_widget_grab_focus(GTK_WIDGET(mainwin->summaryview->ctree));
1192         }
1193 }
1194
1195 static void return_receipt_show(NoticeView *noticeview, MsgInfo *msginfo)
1196 {
1197         if (msginfo->folder
1198                 && (folder_has_parent_of_type(msginfo->folder, F_QUEUE)
1199                  || folder_has_parent_of_type(msginfo->folder, F_DRAFT)))
1200                 return;
1201
1202         noticeview_set_text(noticeview, _("This message asks for a return receipt."));
1203         noticeview_set_button_text(noticeview, _("Send receipt"));
1204         noticeview_set_button_press_callback(noticeview,
1205                                              G_CALLBACK(return_receipt_send_clicked),
1206                                              (gpointer) msginfo);
1207         noticeview_show(noticeview);
1208 }
1209
1210 static void return_receipt_send_clicked(NoticeView *noticeview, MsgInfo *msginfo)
1211 {
1212         MsgInfo *tmpmsginfo;
1213         gchar *file;
1214
1215         file = procmsg_get_message_file_path(msginfo);
1216         if (!file) {
1217                 g_warning("can't get message file path.\n");
1218                 return;
1219         }
1220
1221         tmpmsginfo = procheader_parse_file(file, msginfo->flags, TRUE, TRUE);
1222         tmpmsginfo->folder = msginfo->folder;
1223         tmpmsginfo->msgnum = msginfo->msgnum;
1224
1225         if (disposition_notification_send(tmpmsginfo) >= 0) {
1226                 procmsg_msginfo_set_flags(msginfo, MSG_RETRCPT_SENT, 0);
1227                 noticeview_hide(noticeview);
1228         }
1229
1230         procmsg_msginfo_free(tmpmsginfo);
1231         g_free(file);
1232 }
1233
1234 static void partial_recv_show(NoticeView *noticeview, MsgInfo *msginfo)
1235 {
1236         gchar *text = NULL;
1237         gchar *button1 = NULL;
1238         gchar *button2 = NULL;
1239         void  *button1_cb = NULL;
1240         void  *button2_cb = NULL;
1241
1242         if (!partial_msg_in_uidl_list(msginfo)) {
1243                 text = g_strdup_printf(_("This message has been partially "
1244                                 "retrieved,\nand has been deleted from the "
1245                                 "server."));
1246         } else {
1247                 switch (msginfo->planned_download) {
1248                 case POP3_PARTIAL_DLOAD_UNKN:
1249                         text = g_strdup_printf(_("This message has been "
1250                                         "partially retrieved;\nit is %s."),
1251                                         to_human_readable(
1252                                                 (off_t)(msginfo->total_size)));
1253                         button1 = _("Mark for download");
1254                         button2 = _("Mark for deletion");
1255                         button1_cb = partial_recv_dload_clicked;
1256                         button2_cb = partial_recv_del_clicked;
1257                         break;
1258                 case POP3_PARTIAL_DLOAD_DLOAD:
1259                         text = g_strdup_printf(_("This message has been "
1260                                         "partially retrieved;\nit is %s and "
1261                                         "will be downloaded."),
1262                                         to_human_readable(
1263                                                 (off_t)(msginfo->total_size)));
1264                         button1 = _("Unmark");
1265                         button1_cb = partial_recv_unmark_clicked;
1266                         button2 = _("Mark for deletion");
1267                         button2_cb = partial_recv_del_clicked;
1268                         break;
1269                 case POP3_PARTIAL_DLOAD_DELE:
1270                         text = g_strdup_printf(_("This message has been "
1271                                         "partially retrieved;\nit is %s and "
1272                                         "will be deleted."),
1273                                         to_human_readable(
1274                                                 (off_t)(msginfo->total_size)));
1275                         button1 = _("Mark for download");
1276                         button1_cb = partial_recv_dload_clicked;
1277                         button2 = _("Unmark");
1278                         button2_cb = partial_recv_unmark_clicked;
1279                         break;
1280                 default:
1281                         return;
1282                 }
1283         }
1284
1285         noticeview_set_text(noticeview, text);
1286         g_free(text);
1287         noticeview_set_button_text(noticeview, button1);
1288         noticeview_set_button_press_callback(noticeview,
1289                      G_CALLBACK(button1_cb), (gpointer) msginfo);
1290
1291         noticeview_set_2ndbutton_text(noticeview, button2);
1292         noticeview_set_2ndbutton_press_callback(noticeview,
1293                      G_CALLBACK(button2_cb), (gpointer) msginfo);
1294
1295         noticeview_show(noticeview);
1296 }
1297
1298 static void partial_recv_dload_clicked(NoticeView *noticeview,
1299                                        MsgInfo *msginfo)
1300 {
1301         if (partial_mark_for_download(msginfo) == 0) {
1302                 partial_recv_show(noticeview, msginfo);
1303         }
1304 }
1305
1306 static void partial_recv_del_clicked(NoticeView *noticeview,
1307                                        MsgInfo *msginfo)
1308 {
1309         if (partial_mark_for_delete(msginfo) == 0) {
1310                 partial_recv_show(noticeview, msginfo);
1311         }
1312 }
1313
1314 static void partial_recv_unmark_clicked(NoticeView *noticeview,
1315                                        MsgInfo *msginfo)
1316 {
1317         if (partial_unmark(msginfo) == 0) {
1318                 partial_recv_show(noticeview, msginfo);
1319         }
1320 }
1321
1322 static void select_account_cb(GtkWidget *w, gpointer data)
1323 {
1324         *(gint*)data = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(w), MENU_VAL_ID));
1325 }
1326
1327 static PrefsAccount *select_account_from_list(GList *ac_list)
1328 {
1329         GtkWidget *optmenu;
1330         GtkWidget *menu;
1331         gint account_id;
1332
1333         g_return_val_if_fail(ac_list != NULL, NULL);
1334         g_return_val_if_fail(ac_list->data != NULL, NULL);
1335
1336         optmenu = gtk_option_menu_new();
1337         menu = gtkut_account_menu_new(ac_list,
1338                         G_CALLBACK(select_account_cb),
1339                         &account_id);
1340         if (!menu)
1341                 return NULL;
1342         gtk_option_menu_set_menu(GTK_OPTION_MENU(optmenu), menu);
1343         gtk_option_menu_set_history(GTK_OPTION_MENU(optmenu), 0);
1344         account_id = ((PrefsAccount *) ac_list->data)->account_id;
1345         if (alertpanel_with_widget(
1346                                 _("Return Receipt Notification"),
1347                                 _("The message was sent to several of your "
1348                                   "accounts.\n"
1349                                   "Please choose which account do you want to "
1350                                   "use for sending the receipt notification:"),
1351                                 _("_Send Notification"), _("+_Cancel"), NULL,
1352                                 optmenu) != G_ALERTDEFAULT)
1353                 return NULL;
1354         return account_find_from_id(account_id);
1355 }
1356
1357 /*
1358  * \brief return selected messageview text, when nothing is
1359  *        selected and message was filtered, return complete text
1360  *
1361  * \param  pointer to Messageview
1362  *
1363  * \return pointer to text (needs to be free'd by calling func)
1364  */
1365 gchar *messageview_get_selection(MessageView *msgview)
1366 {
1367         TextView *textview;
1368         gchar *text = NULL;
1369         GtkTextView *edit = NULL;
1370         GtkTextBuffer *textbuf;
1371         gint body_pos = 0;
1372
1373         g_return_val_if_fail(msgview != NULL, NULL);
1374
1375         textview = messageview_get_current_textview(msgview);
1376         g_return_val_if_fail(textview != NULL, NULL);
1377
1378         edit = GTK_TEXT_VIEW(textview->text);
1379         g_return_val_if_fail(edit != NULL, NULL);
1380         body_pos = textview->body_pos;
1381
1382         textbuf = gtk_text_view_get_buffer(edit);
1383
1384         if (gtk_text_buffer_get_selection_bounds(textbuf, NULL, NULL))
1385                 return gtkut_text_view_get_selection(edit);
1386         else if (msgview->filtered) {
1387                 GtkTextIter start_iter, end_iter;
1388                 gtk_text_buffer_get_iter_at_offset(textbuf, &start_iter, body_pos);
1389                 gtk_text_buffer_get_end_iter(textbuf, &end_iter);
1390                 gtk_text_buffer_get_text(textbuf, &start_iter, &end_iter, FALSE);
1391         } else
1392                 text = NULL;
1393
1394         return text;
1395 }
1396
1397 static void save_as_cb(gpointer data, guint action, GtkWidget *widget)
1398 {
1399         MessageView *messageview = (MessageView *)data;
1400         messageview_save_as(messageview);
1401 }
1402
1403 static void print_cb(gpointer data, guint action, GtkWidget *widget)
1404 {
1405         MessageView *messageview = (MessageView *)data;
1406 #ifndef USE_GNOMEPRINT
1407         gchar *cmdline = NULL;
1408         gchar *p;
1409 #endif
1410
1411         if (!messageview->msginfo) return;
1412 #ifndef USE_GNOMEPRINT
1413         cmdline = input_dialog(_("Print"),
1414                                _("Enter the print command line:\n"
1415                                  "('%s' will be replaced with file name)"),
1416                                prefs_common.print_cmd);
1417         if (!cmdline) return;
1418         if (!(p = strchr(cmdline, '%')) || *(p + 1) != 's' ||
1419             strchr(p + 2, '%')) {
1420                 alertpanel_error(_("Print command line is invalid:\n'%s'"),
1421                                  cmdline);
1422                 g_free(cmdline);
1423                 return;
1424         }
1425         procmsg_print_message(messageview->msginfo, cmdline);
1426         g_free(cmdline);
1427 #else
1428         if (!messageview->mimeview
1429         ||  !messageview->mimeview->textview
1430         ||  !messageview->mimeview->textview->text)
1431                 alertpanel_warning(_("Cannot print: the message doesn't "
1432                                      "contain text."));
1433
1434         gedit_print(
1435                 GTK_TEXT_VIEW(messageview->mimeview
1436                                 ->textview->text));
1437 #endif
1438 }
1439
1440 static void close_cb(gpointer data, guint action, GtkWidget *widget)
1441 {
1442         MessageView *messageview = (MessageView *)data;
1443         messageview_destroy(messageview);
1444 }
1445
1446 static void copy_cb(gpointer data, guint action, GtkWidget *widget)
1447 {
1448         MessageView *messageview = (MessageView *)data;
1449         messageview_copy_clipboard(messageview);
1450 }
1451
1452 static void allsel_cb(gpointer data, guint action, GtkWidget *widget)
1453 {
1454         MessageView *messageview = (MessageView *)data;
1455         messageview_select_all(messageview);
1456 }
1457
1458 static void search_cb(gpointer data, guint action, GtkWidget *widget)
1459 {
1460         MessageView *messageview = (MessageView *)data;
1461         message_search(messageview);
1462 }
1463
1464 static void set_charset_cb(gpointer data, guint action, GtkWidget *widget)
1465 {
1466         MessageView *messageview = (MessageView *)data;
1467         const gchar *charset;
1468
1469         if (GTK_CHECK_MENU_ITEM(widget)->active) {
1470                 charset = conv_get_charset_str((CharSet)action);
1471                 g_free(messageview->forced_charset);
1472                 messageview->forced_charset = g_strdup(charset);
1473                 procmime_force_charset(charset);
1474
1475                 messageview_show(messageview, messageview->msginfo, FALSE);
1476         }
1477 }
1478
1479 static void set_decode_cb(gpointer data, guint action, GtkWidget *widget)
1480 {
1481         MessageView *messageview = (MessageView *)data;
1482         if (GTK_CHECK_MENU_ITEM(widget)->active) {
1483                 messageview->forced_encoding = (EncodingType)action;
1484
1485                 messageview_show(messageview, messageview->msginfo, FALSE);
1486
1487                 debug_print("forced encoding: %d\n", action);
1488         }
1489 }
1490
1491
1492 static void view_source_cb(gpointer data, guint action, GtkWidget *widget)
1493 {
1494         MessageView *messageview = (MessageView *)data;
1495         SourceWindow *srcwin;
1496
1497         if (!messageview->msginfo) return;
1498
1499         srcwin = source_window_create();
1500         source_window_show_msg(srcwin, messageview->msginfo);
1501         source_window_show(srcwin);
1502 }
1503
1504 static void show_all_header_cb(gpointer data, guint action, GtkWidget *widget)
1505 {
1506         MessageView *messageview = (MessageView *)data;
1507         MsgInfo *msginfo = messageview->msginfo;
1508
1509         messageview->all_headers =
1510                         GTK_CHECK_MENU_ITEM(widget)->active;
1511         if (!msginfo) return;
1512         messageview->msginfo = NULL;
1513         messageview_show(messageview, msginfo,
1514                          GTK_CHECK_MENU_ITEM(widget)->active);
1515         procmsg_msginfo_free(msginfo);
1516         main_window_set_menu_sensitive(messageview->mainwin);
1517 }
1518
1519 static void compose_cb(gpointer data, guint action, GtkWidget *widget)
1520 {
1521         MessageView *messageview = (MessageView *)data;
1522         PrefsAccount *ac = NULL;
1523         FolderItem *item = NULL;
1524
1525         if (messageview->msginfo)
1526                 item = messageview->msginfo->folder;
1527
1528         if (item) {
1529                 ac = account_find_from_item(item);
1530                 if (ac && ac->protocol == A_NNTP &&
1531                     item->stype == F_NEWS) {
1532                         compose_new(ac, item->path, NULL);
1533                         return;
1534                 }
1535         }
1536
1537         compose_new(ac, NULL, NULL);
1538 }
1539
1540 static void reply_cb(gpointer data, guint action, GtkWidget *widget)
1541 {
1542         MessageView *messageview = (MessageView *)data;
1543         GSList *msginfo_list = NULL;
1544
1545         g_return_if_fail(messageview->msginfo);
1546
1547         msginfo_list = g_slist_append(msginfo_list, messageview->msginfo);
1548         compose_reply_from_messageview(messageview, msginfo_list, action);
1549         g_slist_free(msginfo_list);
1550 }
1551
1552 static void reedit_cb(gpointer data, guint action, GtkWidget *widget)
1553 {
1554         MessageView *messageview = (MessageView *)data;
1555         MsgInfo *msginfo;
1556
1557         if (!messageview->msginfo) return;
1558         msginfo = messageview->msginfo;
1559         if (!msginfo->folder) return;
1560         if (!folder_has_parent_of_type(msginfo->folder, F_DRAFT) &&
1561             !folder_has_parent_of_type(msginfo->folder, F_OUTBOX) &&
1562             !folder_has_parent_of_type(msginfo->folder, F_QUEUE))
1563                 return;
1564
1565         compose_reedit(msginfo, FALSE);
1566 }
1567
1568 static void addressbook_open_cb(gpointer data, guint action, GtkWidget *widget)
1569 {
1570         addressbook_open(NULL);
1571 }
1572
1573 static void add_address_cb(gpointer data, guint action, GtkWidget *widget)
1574 {
1575         MessageView *messageview = (MessageView *)data;
1576         MsgInfo *msginfo;
1577         gchar *from;
1578
1579         if (!messageview->msginfo) return;
1580         msginfo = messageview->msginfo;
1581         Xstrdup_a(from, msginfo->from, return);
1582         eliminate_address_comment(from);
1583         extract_address(from);
1584         addressbook_add_contact(msginfo->fromname, from, NULL);
1585 }
1586
1587 static void create_filter_cb(gpointer data, guint action, GtkWidget *widget)
1588 {
1589         MessageView *messageview = (MessageView *)data;
1590         FolderItem * item;
1591
1592         if (!messageview->msginfo) return;
1593
1594         item = messageview->msginfo->folder;
1595         summary_msginfo_filter_open(item,  messageview->msginfo,
1596                                     (PrefsFilterType)action, 0);
1597 }
1598
1599 static void create_processing_cb(gpointer data, guint action,
1600                                  GtkWidget *widget)
1601 {
1602         MessageView *messageview = (MessageView *)data;
1603         FolderItem * item;
1604
1605         if (!messageview->msginfo) return;
1606
1607         item = messageview->msginfo->folder;
1608         summary_msginfo_filter_open(item,  messageview->msginfo,
1609                                     (PrefsFilterType)action, 1);
1610 }
1611
1612 static void about_cb(gpointer data, guint action, GtkWidget *widget)
1613 {
1614         about_show();
1615 }
1616
1617 static gboolean messageview_update_msg(gpointer source, gpointer data)
1618 {
1619         MsgInfoUpdate *msginfo_update = (MsgInfoUpdate *) source;
1620         MessageView *messageview = (MessageView *)data;
1621
1622         if (messageview->msginfo != msginfo_update->msginfo)
1623                 return FALSE;
1624
1625         if (msginfo_update->flags & MSGINFO_UPDATE_DELETED) {
1626                 messageview_clear(messageview);
1627                 messageview_update(messageview);
1628         }
1629
1630         return FALSE;
1631 }
1632
1633 void messageview_set_menu_sensitive(MessageView *messageview)
1634 {
1635         GtkItemFactory *ifactory;
1636         GtkWidget *menuitem;
1637
1638         if (!messageview || !messageview->new_window)
1639                 return;
1640         /* do some smart things */
1641         if (!messageview->menubar) return;
1642         ifactory = gtk_item_factory_from_widget(messageview->menubar);
1643         if (!ifactory) return;
1644         if (messageview->mainwin->type == SEPARATE_MESSAGE) {
1645                 menuitem = gtk_item_factory_get_widget(ifactory, "/View/Show all headers");
1646                 gtk_check_menu_item_set_active
1647                         (GTK_CHECK_MENU_ITEM(menuitem),
1648                          messageview->mimeview->textview->show_all_headers);
1649         }
1650 }
1651
1652 void messageview_learn (MessageView *msgview, gboolean is_spam)
1653 {
1654         if (is_spam) {
1655                 if (procmsg_spam_learner_learn(msgview->msginfo, NULL, TRUE) == 0)
1656                         procmsg_msginfo_set_flags(msgview->msginfo, MSG_SPAM, 0);
1657                 else
1658                         log_error(_("An error happened while learning.\n"));
1659
1660         } else {
1661                 if (procmsg_spam_learner_learn(msgview->msginfo, NULL, FALSE) == 0)
1662                         procmsg_msginfo_unset_flags(msgview->msginfo, MSG_SPAM, 0);
1663                 else
1664                         log_error(_("An error happened while learning.\n"));
1665         }
1666         if (msgview->toolbar)
1667                 toolbar_set_learn_button
1668                         (msgview->toolbar,
1669                          MSG_IS_SPAM(msgview->msginfo->flags)?LEARN_HAM:LEARN_SPAM);
1670         else
1671                 toolbar_set_learn_button
1672                         (msgview->mainwin->toolbar,
1673                          MSG_IS_SPAM(msgview->msginfo->flags)?LEARN_HAM:LEARN_SPAM);
1674 }