src/messageview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2002 Hiroyuki Yamamoto
   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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include "defs.h"
  21
  22 #include <glib.h>
  23 #include <gdk/gdkkeysyms.h>
  24 #include <gtk/gtkvbox.h>
  25 #include <gtk/gtkcontainer.h>
  26 #include <gtk/gtkeditable.h>
  27 #include <gtk/gtkwindow.h>
  28 #include <gtk/gtktext.h>
  29 #include <stdio.h>
  30 #include <ctype.h>
  31 #include <string.h>
  32
  33 #include "intl.h"
  34 #include "main.h"
  35 #include "messageview.h"
  36 #include "headerview.h"
  37 #include "textview.h"
  38 #include "imageview.h"
  39 #include "mimeview.h"
  40 #include "procmsg.h"
  41 #include "procheader.h"
  42 #include "procmime.h"
  43 #include "prefs_common.h"
  44 #include "gtkutils.h"
  45 #include "utils.h"
  46 #include "rfc2015.h"
  47 #include "account.h"
  48 #include "alertpanel.h"
  49 #include "send.h"
  50 #include "pgptext.h"
  51
  52 static void messageview_change_view_type(MessageView    *messageview,
  53                                          MessageType     type);
  54 static void messageview_destroy_cb      (GtkWidget      *widget,
  55                                          MessageView    *messageview);
  56 static void messageview_size_allocate_cb(GtkWidget      *widget,
  57                                          GtkAllocation  *allocation);
  58 static void key_pressed                 (GtkWidget      *widget,
  59                                          GdkEventKey    *event,
  60                                          MessageView    *messageview);
  61
  62 MessageView *messageview_create(void)
  63 {
  64         MessageView *messageview;
  65         GtkWidget *vbox;
  66         HeaderView *headerview;
  67         TextView *textview;
  68         ImageView *imageview;
  69         MimeView *mimeview;
  70
  71         debug_print(_("Creating message view...\n"));
  72         messageview = g_new0(MessageView, 1);
  73
  74         messageview->type = MVIEW_TEXT;
  75
  76         headerview = headerview_create();
  77
  78         textview = textview_create();
  79         textview->messageview = messageview;
  80
  81         imageview = imageview_create();
  82         imageview->messageview = messageview;
  83
  84         mimeview = mimeview_create();
  85         mimeview->textview = textview_create();
  86         mimeview->textview->messageview = messageview;
  87         mimeview->imageview = imageview;
  88         mimeview->messageview = messageview;
  89
  90         vbox = gtk_vbox_new(FALSE, 0);
  91         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET_PTR(headerview),
  92                            FALSE, FALSE, 0);
  93         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET_PTR(textview),
  94                            TRUE, TRUE, 0);
  95
  96         /* to remove without destroyed */
  97         gtk_widget_ref(GTK_WIDGET_PTR(textview));
  98         gtk_widget_ref(GTK_WIDGET_PTR(imageview));
  99         gtk_widget_ref(GTK_WIDGET_PTR(mimeview));
 100         gtk_widget_ref(GTK_WIDGET_PTR(mimeview->textview));
 101
 102         messageview->vbox       = vbox;
 103         messageview->new_window = FALSE;
 104         messageview->window     = NULL;
 105         messageview->headerview = headerview;
 106         messageview->textview   = textview;
 107         messageview->imageview  = imageview;
 108         messageview->mimeview   = mimeview;
 109         messageview->plugview   = gtk_socket_new();
 110
 111         return messageview;
 112 }
 113
 114 MessageView *messageview_create_with_new_window(void)
 115 {
 116         GtkWidget *window;
 117         MessageView *msgview;
 118
 119         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 120         gtk_window_set_title(GTK_WINDOW(window), _("Sylpheed - Message View"));
 121         gtk_window_set_wmclass(GTK_WINDOW(window), "message_view", "Sylpheed");
 122         gtk_window_set_policy(GTK_WINDOW(window), TRUE, TRUE, FALSE);
 123         gtk_widget_set_usize(window, prefs_common.msgwin_width,
 124                              prefs_common.msgwin_height);
 125
 126         msgview = messageview_create();
 127
 128         gtk_signal_connect(GTK_OBJECT(window), "size_allocate",
 129                            GTK_SIGNAL_FUNC(messageview_size_allocate_cb),
 130                            msgview);
 131         gtk_signal_connect(GTK_OBJECT(window), "destroy",
 132                            GTK_SIGNAL_FUNC(messageview_destroy_cb), msgview);
 133         gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
 134                            GTK_SIGNAL_FUNC(key_pressed), msgview);
 135
 136         gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET_PTR(msgview));
 137         gtk_widget_grab_focus(msgview->textview->text);
 138         gtk_widget_show_all(window);
 139
 140         msgview->new_window = TRUE;
 141         msgview->window = window;
 142         msgview->visible = TRUE;
 143
 144         messageview_init(msgview);
 145
 146         return msgview;
 147 }
 148
 149 void messageview_init(MessageView *messageview)
 150 {
 151         headerview_init(messageview->headerview);
 152         textview_init(messageview->textview);
 153         imageview_init(messageview->imageview);
 154         mimeview_init(messageview->mimeview);
 155         /*messageview_set_font(messageview);*/
 156 }
 157
 158 static void notification_convert_header(gchar *dest, gint len, gchar *src,
 159                                         gint header_len)
 160 {
 161         g_return_if_fail(src != NULL);
 162         g_return_if_fail(dest != NULL);
 163
 164         if (len < 1) return;
 165
 166         remove_return(src);
 167
 168         if (is_ascii_str(src)) {
 169                 strncpy2(dest, src, len);
 170                 dest[len - 1] = '\0';
 171                 return;
 172         } else
 173                 conv_encode_header(dest, len, src, header_len);
 174 }
 175
 176 static gint disposition_notification_queue(PrefsAccount * account,
 177                                            gchar * to, const gchar *file)
 178 {
 179         FolderItem *queue;
 180         gchar *tmp, *queue_path;
 181         FILE *fp, *src_fp;
 182         GSList *cur;
 183         gchar buf[BUFFSIZE];
 184         gint num;
 185
 186         debug_print(_("queueing message...\n"));
 187         g_return_val_if_fail(account != NULL, -1);
 188
 189         tmp = g_strdup_printf("%s%cqueue.%d", g_get_tmp_dir(),
 190                               G_DIR_SEPARATOR, (gint)file);
 191         if ((fp = fopen(tmp, "wb")) == NULL) {
 192                 FILE_OP_ERROR(tmp, "fopen");
 193                 g_free(tmp);
 194                 return -1;
 195         }
 196         if ((src_fp = fopen(file, "rb")) == NULL) {
 197                 FILE_OP_ERROR(file, "fopen");
 198                 fclose(fp);
 199                 unlink(tmp);
 200                 g_free(tmp);
 201                 return -1;
 202         }
 203         if (change_file_mode_rw(fp, tmp) < 0) {
 204                 FILE_OP_ERROR(tmp, "chmod");
 205                 g_warning(_("can't change file mode\n"));
 206         }
 207
 208         /* queueing variables */
 209         fprintf(fp, "AF:\n");
 210         fprintf(fp, "NF:0\n");
 211         fprintf(fp, "PS:10\n");
 212         fprintf(fp, "SRH:1\n");
 213         fprintf(fp, "SFN:\n");
 214         fprintf(fp, "DSR:\n");
 215         fprintf(fp, "MID:\n");
 216         fprintf(fp, "CFG:\n");
 217         fprintf(fp, "PT:0\n");
 218         fprintf(fp, "S:%s\n", account->address);
 219         fprintf(fp, "RQ:\n");
 220         if (account->smtp_server)
 221                 fprintf(fp, "SSV:%s\n", account->smtp_server);
 222         else
 223                 fprintf(fp, "SSV:\n");
 224         if (account->nntp_server)
 225                 fprintf(fp, "NSV:%s\n", account->nntp_server);
 226         else
 227                 fprintf(fp, "NSV:\n");
 228         fprintf(fp, "SSH:\n");
 229         fprintf(fp, "R:<%s>", to);
 230         fprintf(fp, "\n");
 231         fprintf(fp, "\n");
 232
 233         while (fgets(buf, sizeof(buf), src_fp) != NULL) {
 234                 if (fputs(buf, fp) == EOF) {
 235                         FILE_OP_ERROR(tmp, "fputs");
 236                         fclose(fp);
 237                         fclose(src_fp);
 238                         unlink(tmp);
 239                         g_free(tmp);
 240                         return -1;
 241                 }
 242         }
 243
 244         fclose(src_fp);
 245         if (fclose(fp) == EOF) {
 246                 FILE_OP_ERROR(tmp, "fclose");
 247                 unlink(tmp);
 248                 g_free(tmp);
 249                 return -1;
 250         }
 251
 252         queue = folder_get_default_queue();
 253         folder_item_scan(queue);
 254         queue_path = folder_item_get_path(queue);
 255         if (!is_dir_exist(queue_path))
 256                 make_dir_hier(queue_path);
 257         if ((num = folder_item_add_msg(queue, tmp, TRUE)) < 0) {
 258                 g_warning(_("can't queue the message\n"));
 259                 unlink(tmp);
 260                 g_free(tmp);
 261                 g_free(queue_path);
 262                 return -1;
 263         }
 264         g_free(tmp);
 265
 266         if ((fp = procmsg_open_mark_file(queue_path, TRUE)) == NULL)
 267                 g_warning(_("can't open mark file\n"));
 268         else {
 269                 MsgInfo newmsginfo;
 270
 271                 newmsginfo.msgnum = num;
 272                 newmsginfo.flags.perm_flags = newmsginfo.flags.tmp_flags = 0;
 273                 procmsg_write_flags(&newmsginfo, fp);
 274                 fclose(fp);
 275         }
 276         g_free(queue_path);
 277
 278         folder_item_scan(queue);
 279         folderview_update_item(queue, TRUE);
 280
 281         return 0;
 282 }
 283
 284 static gint disposition_notification_send(MsgInfo * msginfo)
 285 {
 286         gchar buf[BUFFSIZE];
 287         gchar tmp[MAXPATHLEN + 1];
 288         FILE *fp;
 289         GSList * to_list;
 290         gint ok;
 291         gchar * to;
 292
 293         if ((!msginfo->returnreceiptto) &&
 294             (!msginfo->dispositionnotificationto))
 295                 return -1;
 296
 297         /* write to temporary file */
 298         g_snprintf(tmp, sizeof(tmp), "%s%ctmpmsg%d",
 299                    get_rc_dir(), G_DIR_SEPARATOR, (gint)msginfo);
 300
 301         if ((fp = fopen(tmp, "wb")) == NULL) {
 302                 FILE_OP_ERROR(tmp, "fopen");
 303                 return -1;
 304         }
 305
 306         /* chmod for security */
 307         if (change_file_mode_rw(fp, tmp) < 0) {
 308                 FILE_OP_ERROR(tmp, "chmod");
 309                 g_warning(_("can't change file mode\n"));
 310         }
 311
 312         /* Date */
 313         get_rfc822_date(buf, sizeof(buf));
 314         fprintf(fp, "Date: %s\n", buf);
 315
 316         /* From */
 317         if (cur_account->name && *cur_account->name) {
 318                 notification_convert_header
 319                         (buf, sizeof(buf), cur_account->name,
 320                          strlen("From: "));
 321                 fprintf(fp, "From: %s <%s>\n", buf, cur_account->address);
 322         } else
 323                 fprintf(fp, "From: %s\n", cur_account->address);
 324
 325         /* To */
 326         if (msginfo->dispositionnotificationto)
 327                 to = msginfo->dispositionnotificationto;
 328         else
 329                 to = msginfo->returnreceiptto;
 330         fprintf(fp, "To: %s\n", to);
 331
 332         /* Subject */
 333         notification_convert_header(buf, sizeof(buf), msginfo->subject,
 334                                     strlen("Subject: "));
 335         fprintf(fp, "Subject: Disposition notification: %s\n", buf);
 336
 337         if (fclose(fp) == EOF) {
 338                 FILE_OP_ERROR(tmp, "fclose");
 339                 unlink(tmp);
 340                 return -1;
 341         }
 342
 343         to_list = address_list_append(NULL, msginfo->dispositionnotificationto);
 344         ok = send_message(tmp, cur_account, to_list);
 345
 346         if (ok < 0) {
 347                 if (prefs_common.queue_msg) {
 348                         AlertValue val;
 349
 350                         val = alertpanel
 351                                 (_("Queueing"),
 352                                  _("Error occurred while sending the notification.\n"
 353                                    "Put this notification into queue folder?"),
 354                                  _("OK"), _("Cancel"), NULL);
 355                         if (G_ALERTDEFAULT == val) {
 356                                 ok = disposition_notification_queue(cur_account, to, tmp);
 357                                 if (ok < 0)
 358                                         alertpanel_error(_("Can't queue the notification."));
 359                         }
 360                 } else
 361                         alertpanel_error(_("Error occurred while sending the notification."));
 362         }
 363
 364         if (unlink(tmp) < 0) FILE_OP_ERROR(tmp, "unlink");
 365
 366         return ok;
 367 }
 368
 369 void messageview_show(MessageView *messageview, MsgInfo *msginfo,
 370                       gboolean all_headers)
 371 {
 372         FILE *fp;
 373         gchar *file;
 374         MimeInfo *mimeinfo;
 375         MsgInfo *tmpmsginfo;
 376
 377         g_return_if_fail(msginfo != NULL);
 378
 379 #if USE_GPGME
 380         if ((fp = procmsg_open_message_decrypted(msginfo, &mimeinfo)) == NULL)
 381                 return;
 382 #else /* !USE_GPGME */
 383         if ((fp = procmsg_open_message(msginfo)) == NULL) return;
 384         mimeinfo = procmime_scan_mime_header(fp);
 385 #endif /* USE_GPGME */
 386         fclose(fp);
 387         if (!mimeinfo) return;
 388
 389         file = procmsg_get_message_file_path(msginfo);
 390         if (!file) {
 391                 g_warning("can't get message file path.\n");
 392                 procmime_mimeinfo_free(mimeinfo);
 393                 return;
 394         }
 395
 396         /* FIXME - doesn't tmpmsginfo->flags have the value
 397          * of msginfo->flags after procheader_parse()???
 398          * in any case, checking tmpmsginfo->flags for MSG_UNREAD
 399          * fixes the return-receipt-request bug */
 400
 401         tmpmsginfo = procheader_parse_file(file, msginfo->flags, TRUE, TRUE);
 402         if (MSG_IS_MIME(tmpmsginfo->flags))
 403                 MSG_SET_TMP_FLAGS(msginfo->flags, MSG_MIME);
 404
 405         if (prefs_common.return_receipt
 406             && (tmpmsginfo->dispositionnotificationto
 407                 || tmpmsginfo->returnreceiptto)
 408             && (MSG_IS_UNREAD(tmpmsginfo->flags))
 409             && (MSG_IS_RETRCPT_PENDING(tmpmsginfo->flags))) {
 410                 gint ok;
 411
 412                 if (alertpanel(_("Return Receipt"), _("Send return receipt ?"),
 413                                _("Yes"), _("No"), NULL) == G_ALERTDEFAULT) {
 414                         ok = disposition_notification_send(tmpmsginfo);
 415                         if (ok < 0)
 416                                 alertpanel_error(_("Error occurred while sending notification."));
 417                 }
 418                 MSG_UNSET_PERM_FLAGS(tmpmsginfo->flags, MSG_RETRCPT_PENDING);
 419         }
 420
 421         headerview_show(messageview->headerview, tmpmsginfo);
 422         procmsg_msginfo_free(tmpmsginfo);
 423
 424         textview_set_all_headers(messageview->textview, all_headers);
 425         textview_set_all_headers(messageview->mimeview->textview, all_headers);
 426
 427         if (mimeinfo->mime_type != MIME_TEXT /*&&
 428             mimeinfo->mime_type != MIME_TEXT_HTML*/) {
 429                 messageview_change_view_type(messageview, MVIEW_MIME);
 430                 mimeview_show_message(messageview->mimeview, mimeinfo, file);
 431         } else {
 432                 messageview_change_view_type(messageview, MVIEW_TEXT);
 433                 textview_show_message(messageview->textview, mimeinfo, file);
 434                 procmime_mimeinfo_free(mimeinfo);
 435         }
 436
 437         g_free(file);
 438 }
 439
 440 static void messageview_change_view_type(MessageView *messageview,
 441                                          MessageType type)
 442 {
 443         TextView *textview = messageview->textview;
 444         MimeView *mimeview = messageview->mimeview;
 445         GtkWidget *plugview = messageview->plugview;
 446
 447         if (messageview->type == type) return;
 448
 449         if (type == MVIEW_MIME) {
 450                 if (messageview->type == MVIEW_TEXT)
 451                         gtkut_container_remove
 452                                 (GTK_CONTAINER(GTK_WIDGET_PTR(messageview)),
 453                                  GTK_WIDGET_PTR(textview));
 454                 else if (messageview->type == MVIEW_PLUG)
 455                         gtkut_container_remove
 456                                 (GTK_CONTAINER(GTK_WIDGET_PTR(messageview)),
 457                                  GTK_WIDGET_PTR(plugview));
 458                 gtk_box_pack_start(GTK_BOX(messageview->vbox),
 459                                    GTK_WIDGET_PTR(mimeview), TRUE, TRUE, 0);
 460                 gtk_container_add(GTK_CONTAINER(mimeview->vbox),
 461                                   GTK_WIDGET_PTR(textview));
 462         } else if (type == MVIEW_TEXT) {
 463                 if (messageview->type == MVIEW_MIME)
 464                         gtkut_container_remove
 465                                 (GTK_CONTAINER(GTK_WIDGET_PTR(messageview)),
 466                                  GTK_WIDGET_PTR(mimeview));
 467                 else if (messageview->type == MVIEW_PLUG)
 468                         gtkut_container_remove
 469                                 (GTK_CONTAINER(GTK_WIDGET_PTR(messageview)),
 470                                  GTK_WIDGET_PTR(plugview));
 471                 if (mimeview->vbox == GTK_WIDGET_PTR(textview)->parent)
 472                         gtkut_container_remove(GTK_CONTAINER(mimeview->vbox),
 473                                                GTK_WIDGET_PTR(textview));
 474
 475                 gtk_box_pack_start(GTK_BOX(messageview->vbox),
 476                                    GTK_WIDGET_PTR(textview), TRUE, TRUE, 0);
 477         } else if (type == MVIEW_PLUG) {
 478                 if (messageview->type == MVIEW_MIME)
 479                         gtkut_container_remove
 480                                 (GTK_CONTAINER(GTK_WIDGET_PTR(messageview)),
 481                                  GTK_WIDGET_PTR(mimeview));
 482                 else if (messageview->type == MVIEW_TEXT)
 483                         gtkut_container_remove
 484                                 (GTK_CONTAINER(GTK_WIDGET_PTR(messageview)),
 485                                  GTK_WIDGET_PTR(textview));
 486                 gtk_box_pack_start(GTK_BOX(messageview->vbox),
 487                                    GTK_WIDGET_PTR(plugview), TRUE, TRUE, 0);
 488         } else
 489                 return;
 490
 491         messageview->type = type;
 492 }
 493
 494 void messageview_clear(MessageView *messageview)
 495 {
 496         messageview_change_view_type(messageview, MVIEW_TEXT);
 497         headerview_clear(messageview->headerview);
 498         textview_clear(messageview->textview);
 499         imageview_clear(messageview->imageview);
 500 }
 501
 502 void messageview_destroy(MessageView *messageview)
 503 {
 504         GtkWidget *textview  = GTK_WIDGET_PTR(messageview->textview);
 505         GtkWidget *imageview = GTK_WIDGET_PTR(messageview->imageview);
 506         GtkWidget *mimeview  = GTK_WIDGET_PTR(messageview->mimeview);
 507
 508         headerview_destroy(messageview->headerview);
 509         textview_destroy(messageview->textview);
 510         imageview_destroy(messageview->imageview);
 511         mimeview_destroy(messageview->mimeview);
 512         gtk_widget_destroy(messageview->plugview);
 513
 514         g_free(messageview);
 515
 516         gtk_widget_unref(textview);
 517         gtk_widget_unref(imageview);
 518         gtk_widget_unref(mimeview);
 519 }
 520
 521 void messageview_quote_color_set(void)
 522 {
 523 }
 524
 525 void messageview_set_font(MessageView *messageview)
 526 {
 527         textview_set_font(messageview->textview, NULL);
 528 }
 529
 530 TextView *messageview_get_current_textview(MessageView *messageview)
 531 {
 532         TextView *text = NULL;
 533
 534         if (messageview->type == MVIEW_TEXT)
 535                 text = messageview->textview;
 536         else if (messageview->type == MVIEW_MIME) {
 537                 if (gtk_notebook_get_current_page
 538                         (GTK_NOTEBOOK(messageview->mimeview->notebook)) == 0)
 539                         text = messageview->textview;
 540                 else if (messageview->mimeview->type == MIMEVIEW_TEXT)
 541                         text = messageview->mimeview->textview;
 542         }
 543
 544         return text;
 545 }
 546
 547 void messageview_copy_clipboard(MessageView *messageview)
 548 {
 549         TextView *text;
 550
 551         text = messageview_get_current_textview(messageview);
 552         if (text)
 553                 gtk_editable_copy_clipboard(GTK_EDITABLE(text->text));
 554 }
 555
 556 void messageview_select_all(MessageView *messageview)
 557 {
 558         TextView *text;
 559
 560         text = messageview_get_current_textview(messageview);
 561         if (text)
 562                 gtk_editable_select_region(GTK_EDITABLE(text->text), 0, -1);
 563 }
 564
 565 void messageview_set_position(MessageView *messageview, gint pos)
 566 {
 567         textview_set_position(messageview->textview, pos);
 568 }
 569
 570 gboolean messageview_search_string(MessageView *messageview, const gchar *str,
 571                                    gboolean case_sens)
 572 {
 573         return textview_search_string(messageview->textview, str, case_sens);
 574         return FALSE;
 575 }
 576
 577 gboolean messageview_search_string_backward(MessageView *messageview,
 578                                             const gchar *str,
 579                                             gboolean case_sens)
 580 {
 581         return textview_search_string_backward(messageview->textview,
 582                                                str, case_sens);
 583         return FALSE;
 584 }
 585
 586 gboolean messageview_is_visible(MessageView *messageview)
 587 {
 588         return messageview->visible;
 589 }
 590
 591 static void messageview_destroy_cb(GtkWidget *widget, MessageView *messageview)
 592 {
 593         messageview_destroy(messageview);
 594 }
 595
 596 static void messageview_size_allocate_cb(GtkWidget *widget,
 597                                          GtkAllocation *allocation)
 598 {
 599         g_return_if_fail(allocation != NULL);
 600
 601         prefs_common.msgwin_width  = allocation->width;
 602         prefs_common.msgwin_height = allocation->height;
 603 }
 604
 605 static void key_pressed(GtkWidget *widget, GdkEventKey *event,
 606                         MessageView *messageview)
 607 {
 608         if (event && event->keyval == GDK_Escape && messageview->window)
 609                 gtk_widget_destroy(messageview->window);
 610 }
 611
 612 static void messageview_toggle_view(MessageView *messageview)
 613 {
 614         MainWindow *mainwin = messageview->mainwin;
 615         GtkItemFactory *ifactory;
 616
 617         if (!mainwin) return;
 618
 619         ifactory = gtk_item_factory_from_widget(mainwin->menubar);
 620         menu_toggle_toggle(ifactory, "/View/Expand Summary View");
 621 }
 622
 623 void messageview_toggle_view_real(MessageView *messageview)
 624 {
 625         MainWindow *mainwin = messageview->mainwin;
 626         union CompositeWin *cwin = &mainwin->win;
 627         GtkWidget *vpaned = NULL;
 628         GtkWidget *container = NULL;
 629         GtkItemFactory *ifactory =gtk_item_factory_from_widget(mainwin->menubar);
 630
 631         switch (mainwin->type) {
 632         case SEPARATE_NONE:
 633                 vpaned = cwin->sep_none.vpaned;
 634                 container = cwin->sep_none.hpaned;
 635                 break;
 636         case SEPARATE_FOLDER:
 637                 vpaned = cwin->sep_folder.vpaned;
 638                 container = mainwin->vbox_body;
 639                 break;
 640         case SEPARATE_MESSAGE:
 641         case SEPARATE_BOTH:
 642                 return;
 643         }
 644
 645         if (vpaned->parent != NULL) {
 646                 gtk_widget_ref(vpaned);
 647                 gtkut_container_remove(GTK_CONTAINER(container), vpaned);
 648                 gtk_widget_reparent(GTK_WIDGET_PTR(messageview), container);
 649                 menu_set_sensitive(ifactory, "/View/Expand Summary View", FALSE);
 650                 gtk_widget_grab_focus(GTK_WIDGET(messageview->textview->text));
 651         } else {
 652                 gtk_widget_reparent(GTK_WIDGET_PTR(messageview), vpaned);
 653                 gtk_container_add(GTK_CONTAINER(container), vpaned);
 654                 gtk_widget_unref(vpaned);
 655                 menu_set_sensitive(ifactory, "/View/Expand Summary View", TRUE);
 656                 gtk_widget_grab_focus(GTK_WIDGET(mainwin->summaryview->ctree));
 657         }
 658 }