src/messageview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2001 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 static void messageview_toggle_view(MessageView *messageview);
  62
  63 MessageView *messageview_create(void)
  64 {
  65         MessageView *messageview;
  66         GtkWidget *vbox;
  67         HeaderView *headerview;
  68         TextView *textview;
  69         ImageView *imageview;
  70         MimeView *mimeview;
  71
  72         debug_print(_("Creating message view...\n"));
  73         messageview = g_new0(MessageView, 1);
  74
  75         messageview->type = MVIEW_TEXT;
  76
  77         headerview = headerview_create();
  78
  79         textview = textview_create();
  80         textview->messageview = messageview;
  81
  82         imageview = imageview_create();
  83         imageview->messageview = messageview;
  84
  85         mimeview = mimeview_create();
  86         mimeview->textview = textview;
  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
 101         messageview->vbox       = vbox;
 102         messageview->new_window = FALSE;
 103         messageview->window     = NULL;
 104         messageview->headerview = headerview;
 105         messageview->textview   = textview;
 106         messageview->imageview  = imageview;
 107         messageview->mimeview   = mimeview;
 108
 109         return messageview;
 110 }
 111
 112 MessageView *messageview_create_with_new_window(void)
 113 {
 114         GtkWidget *window;
 115         MessageView *msgview;
 116
 117         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 118         gtk_window_set_title(GTK_WINDOW(window), _("Sylpheed - Message View"));
 119         gtk_window_set_wmclass(GTK_WINDOW(window), "message_view", "Sylpheed");
 120         gtk_window_set_policy(GTK_WINDOW(window), TRUE, TRUE, FALSE);
 121         gtk_widget_set_usize(window, prefs_common.msgwin_width,
 122                              prefs_common.msgwin_height);
 123
 124         msgview = messageview_create();
 125
 126         gtk_signal_connect(GTK_OBJECT(window), "size_allocate",
 127                            GTK_SIGNAL_FUNC(messageview_size_allocate_cb),
 128                            msgview);
 129         gtk_signal_connect(GTK_OBJECT(window), "destroy",
 130                            GTK_SIGNAL_FUNC(messageview_destroy_cb), msgview);
 131         gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
 132                            GTK_SIGNAL_FUNC(key_pressed), msgview);
 133
 134         gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET_PTR(msgview));
 135         gtk_widget_grab_focus(msgview->textview->text);
 136         gtk_widget_show_all(window);
 137
 138         msgview->new_window = TRUE;
 139         msgview->window = window;
 140
 141         messageview_init(msgview);
 142
 143         return msgview;
 144 }
 145
 146 void messageview_init(MessageView *messageview)
 147 {
 148         headerview_init(messageview->headerview);
 149         textview_init(messageview->textview);
 150         imageview_init(messageview->imageview);
 151         mimeview_init(messageview->mimeview);
 152         /*messageview_set_font(messageview);*/
 153 }
 154
 155 static void notification_convert_header(gchar *dest, gint len, gchar *src,
 156                                         gint header_len)
 157 {
 158         g_return_if_fail(src != NULL);
 159         g_return_if_fail(dest != NULL);
 160
 161         if (len < 1) return;
 162
 163         remove_return(src);
 164
 165         if (is_ascii_str(src)) {
 166                 strncpy2(dest, src, len);
 167                 dest[len - 1] = '\0';
 168                 return;
 169         } else
 170                 conv_encode_header(dest, len, src, header_len);
 171 }
 172
 173 static gint disposition_notification_queue(PrefsAccount * account,
 174                                            gchar * to, const gchar *file)
 175 {
 176         FolderItem *queue;
 177         gchar *tmp, *queue_path;
 178         FILE *fp, *src_fp;
 179         GSList *cur;
 180         gchar buf[BUFFSIZE];
 181         gint num;
 182
 183         debug_print(_("queueing message...\n"));
 184         g_return_val_if_fail(account != NULL, -1);
 185
 186         tmp = g_strdup_printf("%s%cqueue.%d", g_get_tmp_dir(),
 187                               G_DIR_SEPARATOR, (gint)file);
 188         if ((fp = fopen(tmp, "w")) == NULL) {
 189                 FILE_OP_ERROR(tmp, "fopen");
 190                 g_free(tmp);
 191                 return -1;
 192         }
 193         if ((src_fp = fopen(file, "r")) == NULL) {
 194                 FILE_OP_ERROR(file, "fopen");
 195                 fclose(fp);
 196                 unlink(tmp);
 197                 g_free(tmp);
 198                 return -1;
 199         }
 200         if (change_file_mode_rw(fp, tmp) < 0) {
 201                 FILE_OP_ERROR(tmp, "chmod");
 202                 g_warning(_("can't change file mode\n"));
 203         }
 204
 205         /* queueing variables */
 206         fprintf(fp, "AF:\n");
 207         fprintf(fp, "NF:0\n");
 208         fprintf(fp, "PS:10\n");
 209         fprintf(fp, "SRH:1\n");
 210         fprintf(fp, "SFN:\n");
 211         fprintf(fp, "DSR:\n");
 212         fprintf(fp, "MID:\n");
 213         fprintf(fp, "CFG:\n");
 214         fprintf(fp, "PT:0\n");
 215         fprintf(fp, "S:%s\n", account->address);
 216         fprintf(fp, "RQ:\n");
 217         if (account->smtp_server)
 218                 fprintf(fp, "SSV:%s\n", account->smtp_server);
 219         else
 220                 fprintf(fp, "SSV:\n");
 221         if (account->nntp_server)
 222                 fprintf(fp, "NSV:%s\n", account->nntp_server);
 223         else
 224                 fprintf(fp, "NSV:\n");
 225         fprintf(fp, "SSH:\n");
 226         fprintf(fp, "R:<%s>", to);
 227         fprintf(fp, "\n");
 228         fprintf(fp, "\n");
 229
 230         while (fgets(buf, sizeof(buf), src_fp) != NULL) {
 231                 if (fputs(buf, fp) == EOF) {
 232                         FILE_OP_ERROR(tmp, "fputs");
 233                         fclose(fp);
 234                         fclose(src_fp);
 235                         unlink(tmp);
 236                         g_free(tmp);
 237                         return -1;
 238                 }
 239         }
 240
 241         fclose(src_fp);
 242         if (fclose(fp) == EOF) {
 243                 FILE_OP_ERROR(tmp, "fclose");
 244                 unlink(tmp);
 245                 g_free(tmp);
 246                 return -1;
 247         }
 248
 249         queue = folder_get_default_queue();
 250         folder_item_scan(queue);
 251         queue_path = folder_item_get_path(queue);
 252         if (!is_dir_exist(queue_path))
 253                 make_dir_hier(queue_path);
 254         if ((num = folder_item_add_msg(queue, tmp, TRUE)) < 0) {
 255                 g_warning(_("can't queue the message\n"));
 256                 unlink(tmp);
 257                 g_free(tmp);
 258                 g_free(queue_path);
 259                 return -1;
 260         }
 261         g_free(tmp);
 262
 263         if ((fp = procmsg_open_mark_file(queue_path, TRUE)) == NULL)
 264                 g_warning(_("can't open mark file\n"));
 265         else {
 266                 MsgInfo newmsginfo;
 267
 268                 newmsginfo.msgnum = num;
 269                 newmsginfo.flags.perm_flags = newmsginfo.flags.tmp_flags = 0;
 270                 procmsg_write_flags(&newmsginfo, fp);
 271                 fclose(fp);
 272         }
 273         g_free(queue_path);
 274
 275         folder_item_scan(queue);
 276         folderview_update_item(queue, TRUE);
 277
 278         return 0;
 279 }
 280
 281 static gint disposition_notification_send(MsgInfo * msginfo)
 282 {
 283         gchar buf[BUFFSIZE];
 284         gchar tmp[MAXPATHLEN + 1];
 285         FILE *fp;
 286         GSList * to_list;
 287         gint ok;
 288         gchar * to;
 289
 290         if ((!msginfo->returnreceiptto) &&
 291             (!msginfo->dispositionnotificationto))
 292                 return -1;
 293
 294         /* write to temporary file */
 295         g_snprintf(tmp, sizeof(tmp), "%s%ctmpmsg%d",
 296                    get_rc_dir(), G_DIR_SEPARATOR, (gint)msginfo);
 297
 298         if ((fp = fopen(tmp, "w")) == NULL) {
 299                 FILE_OP_ERROR(tmp, "fopen");
 300                 return -1;
 301         }
 302
 303         /* chmod for security */
 304         if (change_file_mode_rw(fp, tmp) < 0) {
 305                 FILE_OP_ERROR(tmp, "chmod");
 306                 g_warning(_("can't change file mode\n"));
 307         }
 308
 309         /* Date */
 310         get_rfc822_date(buf, sizeof(buf));
 311         fprintf(fp, "Date: %s\n", buf);
 312
 313         /* From */
 314         if (cur_account->name && *cur_account->name) {
 315                 notification_convert_header
 316                         (buf, sizeof(buf), cur_account->name,
 317                          strlen("From: "));
 318                 fprintf(fp, "From: %s <%s>\n", buf, cur_account->address);
 319         } else
 320                 fprintf(fp, "From: %s\n", cur_account->address);
 321
 322         /* To */
 323         if (msginfo->dispositionnotificationto)
 324                 to = msginfo->dispositionnotificationto;
 325         else
 326                 to = msginfo->returnreceiptto;
 327         fprintf(fp, "To: %s\n", to);
 328
 329         /* Subject */
 330         notification_convert_header(buf, sizeof(buf), msginfo->subject,
 331                                     strlen("Subject: "));
 332         fprintf(fp, "Subject: Disposition notification: %s\n", buf);
 333
 334         if (fclose(fp) == EOF) {
 335                 FILE_OP_ERROR(tmp, "fclose");
 336                 unlink(tmp);
 337                 return -1;
 338         }
 339
 340         to_list = address_list_append(NULL, msginfo->dispositionnotificationto);
 341         ok = send_message(tmp, cur_account, to_list);
 342
 343         if (ok < 0) {
 344                 if (prefs_common.queue_msg) {
 345                         AlertValue val;
 346
 347                         val = alertpanel
 348                                 (_("Queueing"),
 349                                  _("Error occurred while sending the notification.\n"
 350                                    "Put this notification into queue folder?"),
 351                                  _("OK"), _("Cancel"), NULL);
 352                         if (G_ALERTDEFAULT == val) {
 353                                 ok = disposition_notification_queue(cur_account, to, tmp);
 354                                 if (ok < 0)
 355                                         alertpanel_error(_("Can't queue the notification."));
 356                         }
 357                 } else
 358                         alertpanel_error(_("Error occurred while sending the notification."));
 359         }
 360
 361         if (unlink(tmp) < 0) FILE_OP_ERROR(tmp, "unlink");
 362
 363         return ok;
 364 }
 365
 366 void messageview_show(MessageView *messageview, MsgInfo *msginfo)
 367 {
 368         FILE *fp;
 369         gchar *file;
 370         MimeInfo *mimeinfo;
 371         MsgInfo *tmpmsginfo;
 372
 373         g_return_if_fail(msginfo != NULL);
 374
 375 #if USE_GPGME
 376         for (;;) {
 377                 if ((fp = procmsg_open_message(msginfo)) == NULL) return;
 378                 mimeinfo = procmime_scan_mime_header(fp, MIME_TEXT);
 379                 if (!mimeinfo) break;
 380
 381                 if (!MSG_IS_ENCRYPTED(msginfo->flags) &&
 382                     rfc2015_is_encrypted(mimeinfo)) {
 383                         MSG_SET_TMP_FLAGS(msginfo->flags, MSG_ENCRYPTED);
 384                 }
 385                 if (!MSG_IS_ENCRYPTED(msginfo->flags) &&
 386                     pgptext_is_encrypted(mimeinfo, msginfo)) {
 387                         MSG_SET_TMP_FLAGS(msginfo->flags, MSG_ENCRYPTED);
 388                         /* To avoid trouble with the rfc2015 stuff we go for encryption
 389                          * right here. */
 390                         if (MSG_IS_ENCRYPTED(msginfo->flags) &&
 391                             !msginfo->plaintext_file  &&
 392                             !msginfo->decryption_failed) {
 393                                 /* This is an encrypted message but it has not yet
 394                                  * been decrypted and there was no unsuccessful
 395                                  * decryption attempt */
 396                                 pgptext_decrypt_message(msginfo, mimeinfo, fp);
 397                                 if (msginfo->plaintext_file &&
 398                                     !msginfo->decryption_failed) {
 399                                         fclose(fp);
 400                                         continue;
 401                                 }
 402                         }
 403                 }
 404
 405                 if (MSG_IS_ENCRYPTED(msginfo->flags) &&
 406                     !msginfo->plaintext_file  &&
 407                     !msginfo->decryption_failed) {
 408                         /* This is an encrypted message but it has not yet
 409                          * been decrypted and there was no unsuccessful
 410                          * decryption attempt */
 411                         rfc2015_decrypt_message(msginfo, mimeinfo, fp);
 412                         if (msginfo->plaintext_file &&
 413                             !msginfo->decryption_failed) {
 414                                 fclose(fp);
 415                                 continue;
 416                         }
 417                 }
 418
 419                 break;
 420         }
 421 #else /* !USE_GPGME */
 422         if ((fp = procmsg_open_message(msginfo)) == NULL) return;
 423         mimeinfo = procmime_scan_mime_header(fp, MIME_TEXT);
 424 #endif /* USE_GPGME */
 425         fclose(fp);
 426         if (!mimeinfo) return;
 427
 428         file = procmsg_get_message_file_path(msginfo);
 429         g_return_if_fail(file != NULL);
 430
 431         /* FIXME - doesn't tmpmsginfo->flags have the value
 432          * of msginfo->flags after procheader_parse()???
 433          * in any case, checking tmpmsginfo->flags for MSG_UNREAD
 434          * fixes the return-receipt-request bug */
 435
 436         tmpmsginfo = procheader_parse(file, msginfo->flags, TRUE, TRUE);
 437         if (MSG_IS_MIME(tmpmsginfo->flags))
 438                 MSG_SET_TMP_FLAGS(msginfo->flags, MSG_MIME);
 439
 440         if (prefs_common.return_receipt
 441             && (tmpmsginfo->dispositionnotificationto
 442                 || tmpmsginfo->returnreceiptto)
 443             && (MSG_IS_RETRCPT_PENDING(msginfo->flags))) {
 444                 gint ok;
 445
 446                 if (alertpanel(_("Return Receipt"), _("Send return receipt ?"),
 447                                _("Yes"), _("No"), NULL) == G_ALERTDEFAULT) {
 448                         ok = disposition_notification_send(tmpmsginfo);
 449                         if (ok < 0)
 450                                 alertpanel_error(_("Error occurred while sending notification."));
 451                 }
 452                 MSG_UNSET_PERM_FLAGS(msginfo->flags, MSG_RETRCPT_PENDING);
 453         }
 454
 455         headerview_show(messageview->headerview, tmpmsginfo);
 456         procmsg_msginfo_free(tmpmsginfo);
 457
 458         if (mimeinfo->mime_type != MIME_TEXT) {
 459                 messageview_change_view_type(messageview, MVIEW_MIME);
 460                 mimeview_show_message(messageview->mimeview, mimeinfo, file);
 461         } else {
 462                 messageview_change_view_type(messageview, MVIEW_TEXT);
 463                 textview_show_message(messageview->textview, mimeinfo, file);
 464                 procmime_mimeinfo_free(mimeinfo);
 465         }
 466
 467         g_free(file);
 468 }
 469
 470 static void messageview_change_view_type(MessageView *messageview,
 471                                          MessageType type)
 472 {
 473         TextView *textview = messageview->textview;
 474         ImageView *imageview = messageview->imageview;
 475         MimeView *mimeview = messageview->mimeview;
 476
 477         if (messageview->type == type) return;
 478
 479         if (type == MVIEW_MIME) {
 480                 gtkut_container_remove
 481                         (GTK_CONTAINER(GTK_WIDGET_PTR(messageview)),
 482                          GTK_WIDGET_PTR(textview));
 483                 gtk_box_pack_start(GTK_BOX(messageview->vbox),
 484                                    GTK_WIDGET_PTR(mimeview), TRUE, TRUE, 0);
 485                 gtk_container_add(GTK_CONTAINER(mimeview->vbox),
 486                                   GTK_WIDGET_PTR(textview));
 487                 mimeview->type = MIMEVIEW_TEXT;
 488         } else if (type == MVIEW_TEXT) {
 489                 gtkut_container_remove
 490                         (GTK_CONTAINER(GTK_WIDGET_PTR(messageview)),
 491                          GTK_WIDGET_PTR(mimeview));
 492
 493                 if (mimeview->vbox == GTK_WIDGET_PTR(textview)->parent) {
 494                         gtkut_container_remove(GTK_CONTAINER(mimeview->vbox),
 495                                                GTK_WIDGET_PTR(textview));
 496                 } else {
 497                         gtkut_container_remove(GTK_CONTAINER(mimeview->vbox),
 498                                                GTK_WIDGET_PTR(imageview));
 499                 }
 500
 501                 gtk_box_pack_start(GTK_BOX(messageview->vbox),
 502                                    GTK_WIDGET_PTR(textview), TRUE, TRUE, 0);
 503         } else
 504                 return;
 505
 506         messageview->type = type;
 507 }
 508
 509 void messageview_clear(MessageView *messageview)
 510 {
 511         messageview_change_view_type(messageview, MVIEW_TEXT);
 512         headerview_clear(messageview->headerview);
 513         textview_clear(messageview->textview);
 514         imageview_clear(messageview->imageview);
 515 }
 516
 517 void messageview_destroy(MessageView *messageview)
 518 {
 519         GtkWidget *textview  = GTK_WIDGET_PTR(messageview->textview);
 520         GtkWidget *imageview = GTK_WIDGET_PTR(messageview->imageview);
 521         GtkWidget *mimeview  = GTK_WIDGET_PTR(messageview->mimeview);
 522
 523         headerview_destroy(messageview->headerview);
 524         textview_destroy(messageview->textview);
 525         imageview_destroy(messageview->imageview);
 526         mimeview_destroy(messageview->mimeview);
 527
 528         g_free(messageview);
 529
 530         gtk_widget_unref(textview);
 531         gtk_widget_unref(imageview);
 532         gtk_widget_unref(mimeview);
 533 }
 534
 535 void messageview_quote_color_set(void)
 536 {
 537 }
 538
 539 void messageview_set_font(MessageView *messageview)
 540 {
 541         textview_set_font(messageview->textview, NULL);
 542 }
 543
 544 void messageview_copy_clipboard(MessageView *messageview)
 545 {
 546         switch (messageview->type) {
 547         case MVIEW_TEXT:
 548                 gtk_editable_copy_clipboard(GTK_EDITABLE(messageview->textview->text));
 549                 break;
 550         case MVIEW_MIME:
 551                 if (messageview->mimeview->type == MIMEVIEW_TEXT)
 552                         gtk_editable_copy_clipboard(GTK_EDITABLE(messageview->mimeview->textview->text));
 553         default:
 554                 break;
 555         }
 556 }
 557
 558 void messageview_select_all(MessageView *messageview)
 559 {
 560         switch (messageview->type) {
 561         case MVIEW_TEXT:
 562                 gtk_editable_select_region(GTK_EDITABLE(messageview->textview->text), 0, -1);
 563                 break;
 564         case MVIEW_MIME:
 565                 if (messageview->mimeview->type == MIMEVIEW_TEXT)
 566                         gtk_editable_select_region(GTK_EDITABLE(messageview->mimeview->textview->text), 0, -1);
 567         default:
 568                 break;
 569         }
 570 }
 571
 572 void messageview_set_position(MessageView *messageview, gint pos)
 573 {
 574         switch (messageview->type) {
 575         case MVIEW_TEXT:
 576                 textview_set_position(messageview->textview, pos);
 577                 break;
 578         case MVIEW_MIME:
 579                 if (messageview->mimeview->type == MIMEVIEW_TEXT)
 580                         textview_set_position(messageview->mimeview->textview, pos);
 581                 break;
 582         default:
 583                 break;
 584         }
 585 }
 586
 587 gboolean messageview_search_string(MessageView *messageview, const gchar *str,
 588                                    gboolean case_sens)
 589 {
 590         switch (messageview->type) {
 591         case MVIEW_TEXT:
 592                 return textview_search_string(messageview->textview,
 593                                         str, case_sens);
 594         case MVIEW_MIME:
 595                 if (messageview->mimeview->type == MIMEVIEW_TEXT)
 596                         return textview_search_string(messageview->mimeview->textview,
 597                                                 str, case_sens);
 598                 else
 599                         return FALSE;
 600         default:
 601                 return FALSE;
 602         }
 603
 604         return FALSE;
 605 }
 606
 607 gboolean messageview_search_string_backward(MessageView *messageview,
 608                                             const gchar *str,
 609                                             gboolean case_sens)
 610 {
 611         switch (messageview->type) {
 612         case MVIEW_TEXT:
 613                 return textview_search_string_backward(messageview->textview,
 614                                         str, case_sens);
 615         case MVIEW_MIME:
 616                 if (messageview->mimeview->type == MIMEVIEW_TEXT)
 617                         return textview_search_string_backward(messageview->mimeview->textview,
 618                                                 str, case_sens);
 619                 else
 620                         return FALSE;
 621         default:
 622                 return FALSE;
 623         }
 624
 625         return FALSE;
 626
 627 }
 628
 629 GtkWidget *messageview_get_text_widget(MessageView *messageview)
 630 {
 631         return messageview->textview->text;
 632 }
 633
 634 static void messageview_destroy_cb(GtkWidget *widget, MessageView *messageview)
 635 {
 636         messageview_destroy(messageview);
 637 }
 638
 639 static void messageview_size_allocate_cb(GtkWidget *widget,
 640                                          GtkAllocation *allocation)
 641 {
 642         g_return_if_fail(allocation != NULL);
 643
 644         prefs_common.msgwin_width  = allocation->width;
 645         prefs_common.msgwin_height = allocation->height;
 646 }
 647
 648 static void key_pressed(GtkWidget *widget, GdkEventKey *event,
 649                         MessageView *messageview)
 650 {
 651         if (event && event->keyval == GDK_Escape && messageview->window)
 652                 gtk_widget_destroy(messageview->window);
 653 }
 654
 655 static void messageview_toggle_view(MessageView *messageview)
 656 {
 657         MainWindow *mainwin = messageview->mainwin;
 658         GtkItemFactory *ifactory;
 659
 660         if (!mainwin) return;
 661
 662         ifactory = gtk_item_factory_from_widget(mainwin->menubar);
 663         menu_toggle_toggle(ifactory, "/View/Expand Summary View");
 664 }
 665
 666 void messageview_toggle_view_real(MessageView *messageview)
 667 {
 668         MainWindow *mainwin = messageview->mainwin;
 669         union CompositeWin *cwin = &mainwin->win;
 670         GtkWidget *vpaned = NULL;
 671         GtkWidget *container = NULL;
 672         GtkItemFactory *ifactory =gtk_item_factory_from_widget(mainwin->menubar);
 673
 674         switch (mainwin->type) {
 675         case SEPARATE_NONE:
 676                 vpaned = cwin->sep_none.vpaned;
 677                 container = cwin->sep_none.hpaned;
 678                 break;
 679         case SEPARATE_FOLDER:
 680                 vpaned = cwin->sep_folder.vpaned;
 681                 container = mainwin->vbox_body;
 682                 break;
 683         case SEPARATE_MESSAGE:
 684         case SEPARATE_BOTH:
 685                 return;
 686         }
 687
 688         if (vpaned->parent != NULL) {
 689                 gtk_widget_ref(vpaned);
 690                 gtkut_container_remove(GTK_CONTAINER(container), vpaned);
 691                 gtk_widget_reparent(GTK_WIDGET_PTR(messageview), container);
 692                 menu_set_sensitive(ifactory, "/View/Expand Summary View", FALSE);
 693                 gtk_widget_grab_focus(GTK_WIDGET(messageview->textview->text));
 694         } else {
 695                 gtk_widget_reparent(GTK_WIDGET_PTR(messageview), vpaned);
 696                 gtk_container_add(GTK_CONTAINER(container), vpaned);
 697                 gtk_widget_unref(vpaned);
 698                 menu_set_sensitive(ifactory, "/View/Expand Summary View", TRUE);
 699                 gtk_widget_grab_focus(GTK_WIDGET(mainwin->summaryview->ctree));
 700         }
 701 }