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