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