src/textview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gdk/gdk.h>
  29 #include <gdk/gdkkeysyms.h>
  30 #include <gtk/gtkvbox.h>
  31 #include <gtk/gtkscrolledwindow.h>
  32 #include <gtk/gtksignal.h>
  33 #include <stdio.h>
  34 #include <ctype.h>
  35 #include <string.h>
  36 #include <stdlib.h>
  37 #include <errno.h>
  38 #if HAVE_SYS_WAIT_H
  39 #include <sys/wait.h>
  40 #endif
  41 #if HAVE_LIBCOMPFACE
  42 #  include <compface.h>
  43 #endif
  44
  45 #if HAVE_LIBCOMPFACE
  46 #define XPM_XFACE_HEIGHT        (HEIGHT + 3)  /* 3 = 1 header + 2 colors */
  47 #endif
  48
  49 #include "main.h"
  50 #include "summaryview.h"
  51 #include "procheader.h"
  52 #include "prefs_common.h"
  53 #include "codeconv.h"
  54 #include "utils.h"
  55 #include "gtkutils.h"
  56 #include "procmime.h"
  57 #include "html.h"
  58 #include "enriched.h"
  59 #include "compose.h"
  60 #include "addressbook.h"
  61 #include "displayheader.h"
  62 #include "account.h"
  63 #include "mimeview.h"
  64 #include "alertpanel.h"
  65 #include "menu.h"
  66 #include "image_viewer.h"
  67 #include "filesel.h"
  68 #include "base64.h"
  69 #include "inputdialog.h"
  70 #include "timing.h"
  71 #include "tags.h"
  72 #include "addrindex.h"
  73
  74 static GdkColor quote_colors[3] = {
  75         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  76         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  77         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  78 };
  79
  80 static GdkColor quote_bgcolors[3] = {
  81         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  82         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  83         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  84 };
  85 static GdkColor signature_color = {
  86         (gulong)0,
  87         (gushort)0x7fff,
  88         (gushort)0x7fff,
  89         (gushort)0x7fff
  90 };
  91
  92 static GdkColor uri_color = {
  93         (gulong)0,
  94         (gushort)0,
  95         (gushort)0,
  96         (gushort)0
  97 };
  98
  99 static GdkColor emphasis_color = {
 100         (gulong)0,
 101         (gushort)0,
 102         (gushort)0,
 103         (gushort)0
 104 };
 105
 106 static GdkCursor *hand_cursor = NULL;
 107 static GdkCursor *text_cursor = NULL;
 108 static GdkCursor *watch_cursor= NULL;
 109
 110 #define TEXTVIEW_STATUSBAR_PUSH(textview, str)                              \
 111 {       if (textview->messageview->statusbar)                               \
 112         gtk_statusbar_push(GTK_STATUSBAR(textview->messageview->statusbar), \
 113                            textview->messageview->statusbar_cid, str);      \
 114 }
 115
 116 #define TEXTVIEW_STATUSBAR_POP(textview)                                   \
 117 {       if (textview->messageview->statusbar)                              \
 118         gtk_statusbar_pop(GTK_STATUSBAR(textview->messageview->statusbar), \
 119                           textview->messageview->statusbar_cid);           \
 120 }
 121
 122 static void textview_show_ertf          (TextView       *textview,
 123                                          FILE           *fp,
 124                                          CodeConverter  *conv);
 125 static void textview_add_part           (TextView       *textview,
 126                                          MimeInfo       *mimeinfo);
 127 static void textview_add_parts          (TextView       *textview,
 128                                          MimeInfo       *mimeinfo);
 129 static void textview_write_body         (TextView       *textview,
 130                                          MimeInfo       *mimeinfo);
 131 static void textview_show_html          (TextView       *textview,
 132                                          FILE           *fp,
 133                                          CodeConverter  *conv);
 134
 135 static void textview_write_line         (TextView       *textview,
 136                                          const gchar    *str,
 137                                          CodeConverter  *conv,
 138                                          gboolean        do_quote_folding);
 139 static void textview_write_link         (TextView       *textview,
 140                                          const gchar    *str,
 141                                          const gchar    *uri,
 142                                          CodeConverter  *conv);
 143
 144 static GPtrArray *textview_scan_header  (TextView       *textview,
 145                                          FILE           *fp);
 146 static void textview_show_header        (TextView       *textview,
 147                                          GPtrArray      *headers);
 148
 149 static gint textview_key_pressed                (GtkWidget      *widget,
 150                                                  GdkEventKey    *event,
 151                                                  TextView       *textview);
 152 static gboolean textview_motion_notify          (GtkWidget      *widget,
 153                                                  GdkEventMotion *motion,
 154                                                  TextView       *textview);
 155 static gboolean textview_leave_notify           (GtkWidget        *widget,
 156                                                  GdkEventCrossing *event,
 157                                                  TextView         *textview);
 158 static gboolean textview_visibility_notify      (GtkWidget      *widget,
 159                                                  GdkEventVisibility *event,
 160                                                  TextView       *textview);
 161 static void textview_uri_update                 (TextView       *textview,
 162                                                  gint           x,
 163                                                  gint           y);
 164 static gboolean textview_get_uri_range          (TextView       *textview,
 165                                                  GtkTextIter    *iter,
 166                                                  GtkTextTag     *tag,
 167                                                  GtkTextIter    *start_iter,
 168                                                  GtkTextIter    *end_iter);
 169 static ClickableText *textview_get_uri_from_range       (TextView       *textview,
 170                                                  GtkTextIter    *iter,
 171                                                  GtkTextTag     *tag,
 172                                                  GtkTextIter    *start_iter,
 173                                                  GtkTextIter    *end_iter);
 174 static ClickableText *textview_get_uri          (TextView       *textview,
 175                                                  GtkTextIter    *iter,
 176                                                  GtkTextTag     *tag);
 177 static gboolean textview_uri_button_pressed     (GtkTextTag     *tag,
 178                                                  GObject        *obj,
 179                                                  GdkEvent       *event,
 180                                                  GtkTextIter    *iter,
 181                                                  TextView       *textview);
 182
 183 static void textview_uri_list_remove_all        (GSList         *uri_list);
 184
 185 static void textview_toggle_quote               (TextView       *textview,
 186                                                  GSList         *start_list,
 187                                                  ClickableText  *uri,
 188                                                  gboolean        expand_only);
 189
 190 static void open_uri_cb                         (TextView       *textview,
 191                                                  guint           action,
 192                                                  void           *data);
 193 static void copy_uri_cb                         (TextView       *textview,
 194                                                  guint           action,
 195                                                  void           *data);
 196 static void add_uri_to_addrbook_cb              (TextView       *textview,
 197                                                  guint           action,
 198                                                  void           *data);
 199 static void mail_to_uri_cb                      (TextView       *textview,
 200                                                  guint           action,
 201                                                  void           *data);
 202 static void copy_mail_to_uri_cb                 (TextView       *textview,
 203                                                  guint           action,
 204                                                  void           *data);
 205 static void save_file_cb                        (TextView       *textview,
 206                                                  guint           action,
 207                                                  void           *data);
 208 static void open_image_cb                       (TextView       *textview,
 209                                                  guint           action,
 210                                                  void           *data);
 211
 212 static GtkItemFactoryEntry textview_link_popup_entries[] =
 213 {
 214         {N_("/_Open with Web browser"), NULL, open_uri_cb, 0, NULL},
 215         {N_("/Copy this _link"),        NULL, copy_uri_cb, 0, NULL},
 216 };
 217
 218 static GtkItemFactoryEntry textview_mail_popup_entries[] =
 219 {
 220         {N_("/Compose _new message"),   NULL, mail_to_uri_cb, 0, NULL},
 221         {N_("/Add to _address book"),   NULL, add_uri_to_addrbook_cb, 0, NULL},
 222         {N_("/Copy this add_ress"),     NULL, copy_mail_to_uri_cb, 0, NULL},
 223 };
 224
 225 static GtkItemFactoryEntry textview_file_popup_entries[] =
 226 {
 227         {N_("/_Open image"),            NULL, open_image_cb, 0, NULL},
 228         {N_("/_Save image..."),         NULL, save_file_cb, 0, NULL},
 229 };
 230
 231 static void scrolled_cb (GtkAdjustment *adj, TextView *textview)
 232 {
 233 #ifndef WIDTH
 234 #  define WIDTH 48
 235 #  define HEIGHT 48
 236 #endif
 237         if (textview->image) {
 238                 gint x, y, x1;
 239                 x1 = textview->text->allocation.width - WIDTH - 5;
 240                 gtk_text_view_buffer_to_window_coords(
 241                         GTK_TEXT_VIEW(textview->text),
 242                         GTK_TEXT_WINDOW_TEXT, x1, 5, &x, &y);
 243                 gtk_text_view_move_child(GTK_TEXT_VIEW(textview->text),
 244                         textview->image, x1, y);
 245         }
 246 }
 247
 248 static void textview_size_allocate_cb   (GtkWidget      *widget,
 249                                          GtkAllocation  *allocation,
 250                                          gpointer        data)
 251 {
 252         scrolled_cb(NULL, (TextView *)data);
 253 }
 254
 255 TextView *textview_create(void)
 256 {
 257         TextView *textview;
 258         GtkWidget *vbox;
 259         GtkWidget *scrolledwin;
 260         GtkWidget *text;
 261         GtkTextBuffer *buffer;
 262         GtkClipboard *clipboard;
 263         GtkItemFactory *link_popupfactory, *mail_popupfactory, *file_popupfactory;
 264         GtkWidget *link_popupmenu, *mail_popupmenu, *file_popupmenu;
 265         GtkAdjustment *adj;
 266         gint n_entries;
 267
 268         debug_print("Creating text view...\n");
 269         textview = g_new0(TextView, 1);
 270
 271         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 272         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 273                                        GTK_POLICY_AUTOMATIC,
 274                                        GTK_POLICY_AUTOMATIC);
 275         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 276                                             GTK_SHADOW_IN);
 277         gtk_widget_set_size_request
 278                 (scrolledwin, prefs_common.mainview_width, -1);
 279
 280         /* create GtkSText widgets for single-byte and multi-byte character */
 281         text = gtk_text_view_new();
 282         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 283         gtk_widget_show(text);
 284         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 285         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD_CHAR);
 286         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 287         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 288         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 289
 290         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 291         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 292         gtk_text_buffer_add_selection_clipboard(buffer, clipboard);
 293
 294         gtk_widget_ensure_style(text);
 295
 296         gtk_widget_ref(scrolledwin);
 297
 298         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 299
 300         g_signal_connect(G_OBJECT(text), "key-press-event",
 301                          G_CALLBACK(textview_key_pressed), textview);
 302         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 303                          G_CALLBACK(textview_motion_notify), textview);
 304         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 305                          G_CALLBACK(textview_leave_notify), textview);
 306         g_signal_connect(G_OBJECT(text), "visibility-notify-event",
 307                          G_CALLBACK(textview_visibility_notify), textview);
 308         adj = gtk_scrolled_window_get_vadjustment(
 309                 GTK_SCROLLED_WINDOW(scrolledwin));
 310         g_signal_connect(G_OBJECT(adj), "value-changed",
 311                          G_CALLBACK(scrolled_cb), textview);
 312         g_signal_connect(G_OBJECT(text), "size_allocate",
 313                          G_CALLBACK(textview_size_allocate_cb),
 314                          textview);
 315
 316
 317         gtk_widget_show(scrolledwin);
 318
 319         vbox = gtk_vbox_new(FALSE, 0);
 320         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 321
 322         gtk_widget_show(vbox);
 323
 324         n_entries = sizeof(textview_link_popup_entries) /
 325                 sizeof(textview_link_popup_entries[0]);
 326         link_popupmenu = menu_create_items(textview_link_popup_entries, n_entries,
 327                                       "<UriPopupMenu>", &link_popupfactory,
 328                                       textview);
 329
 330         n_entries = sizeof(textview_mail_popup_entries) /
 331                 sizeof(textview_mail_popup_entries[0]);
 332         mail_popupmenu = menu_create_items(textview_mail_popup_entries, n_entries,
 333                                       "<UriPopupMenu>", &mail_popupfactory,
 334                                       textview);
 335
 336         n_entries = sizeof(textview_file_popup_entries) /
 337                 sizeof(textview_file_popup_entries[0]);
 338         file_popupmenu = menu_create_items(textview_file_popup_entries, n_entries,
 339                                       "<FilePopupMenu>", &file_popupfactory,
 340                                       textview);
 341
 342         textview->vbox               = vbox;
 343         textview->scrolledwin        = scrolledwin;
 344         textview->text               = text;
 345         textview->uri_list           = NULL;
 346         textview->body_pos           = 0;
 347         textview->show_all_headers   = FALSE;
 348         textview->last_buttonpress   = GDK_NOTHING;
 349         textview->link_popup_menu    = link_popupmenu;
 350         textview->link_popup_factory = link_popupfactory;
 351         textview->mail_popup_menu    = mail_popupmenu;
 352         textview->mail_popup_factory = mail_popupfactory;
 353         textview->file_popup_menu    = file_popupmenu;
 354         textview->file_popup_factory = file_popupfactory;
 355         textview->image              = NULL;
 356         return textview;
 357 }
 358
 359 static void textview_create_tags(GtkTextView *text, TextView *textview)
 360 {
 361         GtkTextBuffer *buffer;
 362         GtkTextTag *tag, *qtag;
 363         static GdkColor yellow, black;
 364         static gboolean color_init = FALSE;
 365         static PangoFontDescription *font_desc, *bold_font_desc;
 366
 367         if (!color_init) {
 368                 gdk_color_parse("#f5f6be", &yellow);
 369                 gdk_color_parse("#000000", &black);
 370                 color_init = gdk_colormap_alloc_color(
 371                         gdk_colormap_get_system(), &yellow, FALSE, TRUE);
 372                 color_init &= gdk_colormap_alloc_color(
 373                         gdk_colormap_get_system(), &black, FALSE, TRUE);
 374         }
 375
 376         if (!font_desc)
 377                 font_desc = pango_font_description_from_string
 378                         (NORMAL_FONT);
 379
 380         if (!bold_font_desc) {
 381                 bold_font_desc = pango_font_description_from_string
 382                         (NORMAL_FONT);
 383                 pango_font_description_set_weight
 384                         (bold_font_desc, PANGO_WEIGHT_BOLD);
 385         }
 386
 387         buffer = gtk_text_view_get_buffer(text);
 388
 389         gtk_text_buffer_create_tag(buffer, "header",
 390                                    "pixels-above-lines", 0,
 391                                    "pixels-above-lines-set", TRUE,
 392                                    "pixels-below-lines", 0,
 393                                    "pixels-below-lines-set", TRUE,
 394                                    "font-desc", font_desc,
 395                                    "left-margin", 3,
 396                                    "left-margin-set", TRUE,
 397                                    NULL);
 398         gtk_text_buffer_create_tag(buffer, "header_title",
 399                                    "font-desc", bold_font_desc,
 400                                    NULL);
 401         tag = gtk_text_buffer_create_tag(buffer, "hlink",
 402                                    "pixels-above-lines", 0,
 403                                    "pixels-above-lines-set", TRUE,
 404                                    "pixels-below-lines", 0,
 405                                    "pixels-below-lines-set", TRUE,
 406                                    "font-desc", font_desc,
 407                                    "left-margin", 3,
 408                                    "left-margin-set", TRUE,
 409                                    "foreground-gdk", &uri_color,
 410                                    NULL);
 411         g_signal_connect(G_OBJECT(tag), "event",
 412                          G_CALLBACK(textview_uri_button_pressed), textview);
 413         if (prefs_common.enable_bgcolor) {
 414                 gtk_text_buffer_create_tag(buffer, "quote0",
 415                                 "foreground-gdk", &quote_colors[0],
 416                                 "paragraph-background-gdk", &quote_bgcolors[0],
 417                                 NULL);
 418                 gtk_text_buffer_create_tag(buffer, "quote1",
 419                                 "foreground-gdk", &quote_colors[1],
 420                                 "paragraph-background-gdk", &quote_bgcolors[1],
 421                                 NULL);
 422                 gtk_text_buffer_create_tag(buffer, "quote2",
 423                                 "foreground-gdk", &quote_colors[2],
 424                                 "paragraph-background-gdk", &quote_bgcolors[2],
 425                                 NULL);
 426         } else {
 427                 gtk_text_buffer_create_tag(buffer, "quote0",
 428                                 "foreground-gdk", &quote_colors[0],
 429                                 NULL);
 430                 gtk_text_buffer_create_tag(buffer, "quote1",
 431                                 "foreground-gdk", &quote_colors[1],
 432                                 NULL);
 433                 gtk_text_buffer_create_tag(buffer, "quote2",
 434                                 "foreground-gdk", &quote_colors[2],
 435                                 NULL);
 436         }
 437 #if GTK_CHECK_VERSION(2, 8, 0)
 438         gtk_text_buffer_create_tag(buffer, "tags",
 439                         "foreground-gdk", &black,
 440                         "paragraph-background-gdk", &yellow,
 441                         NULL);
 442 #else
 443         gtk_text_buffer_create_tag(buffer, "tags",
 444                         "foreground-gdk", &emphasis_color,
 445                         NULL);
 446 #endif
 447         gtk_text_buffer_create_tag(buffer, "emphasis",
 448                         "foreground-gdk", &emphasis_color,
 449                         NULL);
 450         gtk_text_buffer_create_tag(buffer, "signature",
 451                         "foreground-gdk", &signature_color,
 452                         NULL);
 453         tag = gtk_text_buffer_create_tag(buffer, "link",
 454                         "foreground-gdk", &uri_color,
 455                         NULL);
 456         qtag = gtk_text_buffer_create_tag(buffer, "qlink",
 457                         NULL);
 458         gtk_text_buffer_create_tag(buffer, "link-hover",
 459                         "underline", PANGO_UNDERLINE_SINGLE,
 460                         NULL);
 461         g_signal_connect(G_OBJECT(qtag), "event",
 462                          G_CALLBACK(textview_uri_button_pressed), textview);
 463         g_signal_connect(G_OBJECT(tag), "event",
 464                          G_CALLBACK(textview_uri_button_pressed), textview);
 465  }
 466
 467 void textview_init(TextView *textview)
 468 {
 469         if (!hand_cursor)
 470                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 471         if (!text_cursor)
 472                 text_cursor = gdk_cursor_new(GDK_XTERM);
 473         if (!watch_cursor)
 474                 watch_cursor = gdk_cursor_new(GDK_WATCH);
 475
 476         textview_reflect_prefs(textview);
 477         textview_set_all_headers(textview, FALSE);
 478         textview_set_font(textview, NULL);
 479         textview_create_tags(GTK_TEXT_VIEW(textview->text), textview);
 480 }
 481
 482 #if GTK_CHECK_VERSION(2, 8, 0)
 483  #define CHANGE_TAG_COLOR(tagname, colorfg, colorbg) { \
 484         tag = gtk_text_tag_table_lookup(tags, tagname); \
 485         if (tag) \
 486                 g_object_set(G_OBJECT(tag), "foreground-gdk", colorfg, "paragraph-background-gdk", colorbg, NULL); \
 487  }
 488 #else
 489  #define CHANGE_TAG_COLOR(tagname, colorfg, colorbg) { \
 490         tag = gtk_text_tag_table_lookup(tags, tagname); \
 491         if (tag) \
 492                 g_object_set(G_OBJECT(tag), "foreground-gdk", colorfg, NULL); \
 493  }
 494 #endif
 495
 496 static void textview_update_message_colors(TextView *textview)
 497 {
 498         GdkColor black = {0, 0, 0, 0};
 499         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
 500
 501         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
 502         GtkTextTag *tag = NULL;
 503
 504         quote_bgcolors[0] = quote_bgcolors[1] = quote_bgcolors[2] = black;
 505         quote_colors[0] = quote_colors[1] = quote_colors[2] =
 506                 uri_color = emphasis_color = signature_color = black;
 507
 508         if (prefs_common.enable_color) {
 509                 /* grab the quote colors, converting from an int to a GdkColor */
 510                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
 511                                                &quote_colors[0]);
 512                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
 513                                                &quote_colors[1]);
 514                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
 515                                                &quote_colors[2]);
 516                 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
 517                                                &uri_color);
 518                 gtkut_convert_int_to_gdk_color(prefs_common.signature_col,
 519                                                &signature_color);
 520                 gtkut_convert_int_to_gdk_color(prefs_common.emphasis_col,
 521                                                &emphasis_color);
 522         }
 523         if (prefs_common.enable_color && prefs_common.enable_bgcolor) {
 524                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_bgcol,
 525                                                    &quote_bgcolors[0]);
 526                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_bgcol,
 527                                                    &quote_bgcolors[1]);
 528                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_bgcol,
 529                                                    &quote_bgcolors[2]);
 530                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], &quote_bgcolors[0]);
 531                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], &quote_bgcolors[1]);
 532                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], &quote_bgcolors[2]);
 533         } else {
 534                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], NULL);
 535                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], NULL);
 536                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], NULL);
 537         }
 538
 539         CHANGE_TAG_COLOR("emphasis", &emphasis_color, NULL);
 540         CHANGE_TAG_COLOR("signature", &signature_color, NULL);
 541         CHANGE_TAG_COLOR("link", &uri_color, NULL);
 542         CHANGE_TAG_COLOR("link-hover", &uri_color, NULL);
 543 }
 544 #undef CHANGE_TAG_COLOR
 545
 546 void textview_reflect_prefs(TextView *textview)
 547 {
 548         textview_set_font(textview, NULL);
 549         textview_update_message_colors(textview);
 550         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textview->text),
 551                                          prefs_common.textview_cursor_visible);
 552 }
 553
 554 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
 555 {
 556         START_TIMING("");
 557         g_return_if_fail(mimeinfo != NULL);
 558         g_return_if_fail(fp != NULL);
 559
 560         if ((mimeinfo->type == MIMETYPE_MULTIPART) ||
 561             ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822"))) {
 562                 textview->loading = TRUE;
 563                 textview->stop_loading = FALSE;
 564
 565                 textview_clear(textview);
 566                 textview_add_parts(textview, mimeinfo);
 567
 568                 textview->loading = FALSE;
 569                 textview->stop_loading = FALSE;
 570                 END_TIMING();
 571                 return;
 572         }
 573         textview->loading = TRUE;
 574         textview->stop_loading = FALSE;
 575
 576         if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0)
 577                 perror("fseek");
 578
 579         textview_clear(textview);
 580
 581         if (mimeinfo->type == MIMETYPE_MULTIPART)
 582                 textview_add_parts(textview, mimeinfo);
 583         else
 584                 textview_write_body(textview, mimeinfo);
 585
 586         textview->loading = FALSE;
 587         textview->stop_loading = FALSE;
 588         END_TIMING();
 589 }
 590
 591 static void textview_add_part(TextView *textview, MimeInfo *mimeinfo)
 592 {
 593         GtkTextView *text;
 594         GtkTextBuffer *buffer;
 595         GtkTextIter iter, start_iter;
 596         gchar buf[BUFFSIZE];
 597         GPtrArray *headers = NULL;
 598         const gchar *name;
 599         gchar *content_type;
 600         gint charcount;
 601         START_TIMING("");
 602
 603         g_return_if_fail(mimeinfo != NULL);
 604         text = GTK_TEXT_VIEW(textview->text);
 605         buffer = gtk_text_view_get_buffer(text);
 606         charcount = gtk_text_buffer_get_char_count(buffer);
 607         gtk_text_buffer_get_end_iter(buffer, &iter);
 608
 609         if (textview->stop_loading) {
 610                 return;
 611         }
 612         if (mimeinfo->type == MIMETYPE_MULTIPART) {
 613                 END_TIMING();
 614                 return;
 615         }
 616
 617         textview->prev_quote_level = -1;
 618
 619         if ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822")) {
 620                 FILE *fp;
 621
 622                 fp = g_fopen(mimeinfo->data.filename, "rb");
 623                 fseek(fp, mimeinfo->offset, SEEK_SET);
 624                 headers = textview_scan_header(textview, fp);
 625                 if (headers) {
 626                         if (charcount > 0)
 627                                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 628                         textview_show_header(textview, headers);
 629                         procheader_header_array_destroy(headers);
 630                 }
 631                 fclose(fp);
 632                 END_TIMING();
 633                 return;
 634         }
 635
 636         name = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
 637         content_type = procmime_get_content_type_str(mimeinfo->type,
 638                                                      mimeinfo->subtype);
 639         if (name == NULL)
 640                 name = procmime_mimeinfo_get_parameter(mimeinfo, "name");
 641         if (name != NULL)
 642                 g_snprintf(buf, sizeof(buf), _("[%s  %s (%d bytes)]"),
 643                            name, content_type, mimeinfo->length);
 644         else
 645                 g_snprintf(buf, sizeof(buf), _("[%s (%d bytes)]"),
 646                            content_type, mimeinfo->length);
 647
 648         g_free(content_type);
 649
 650         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
 651         || (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
 652             mimeinfo->type != MIMETYPE_TEXT)) {
 653                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 654                 TEXTVIEW_INSERT_LINK(buf, "sc://select_attachment", mimeinfo);
 655                 gtk_text_buffer_insert(buffer, &iter, " \n", -1);
 656                 if (mimeinfo->type == MIMETYPE_IMAGE  &&
 657                     prefs_common.inline_img ) {
 658                         GdkPixbuf *pixbuf;
 659                         gint avail_width;
 660                         gint avail_height;
 661                         GError *error = NULL;
 662                         gchar *filename;
 663                         ClickableText *uri;
 664                         gchar *uri_str;
 665                         gint err;
 666                         START_TIMING("inserting image");
 667
 668                         filename = procmime_get_tmp_file_name(mimeinfo);
 669
 670                         if ((err = procmime_get_part(filename, mimeinfo)) < 0) {
 671                                 g_warning("Can't get the image file.(%s)", strerror(-err));
 672                                 g_free(filename);
 673                                 END_TIMING();
 674                                 return;
 675                         }
 676
 677                         if (!prefs_common.resize_img) {
 678                                 pixbuf = gdk_pixbuf_new_from_file(filename, &error);
 679                         } else {
 680                                 gint w, h;
 681                                 gdk_pixbuf_get_file_info(filename, &w, &h);
 682                                 avail_width = textview->scrolledwin->allocation.width;
 683                                 avail_height = textview->scrolledwin->allocation.height;
 684                                 if (avail_width - 100 > 0 &&
 685                                     (w > avail_width || h > avail_height))
 686                                         pixbuf = gdk_pixbuf_new_from_file_at_scale(filename,
 687                                                 avail_width, avail_height, TRUE, &error);
 688                                 else
 689                                         pixbuf = gdk_pixbuf_new_from_file(filename, &error);
 690                         }
 691                         if (error != NULL) {
 692                                 g_warning("%s\n", error->message);
 693                                 g_error_free(error);
 694                         }
 695                         if (!pixbuf) {
 696                                 g_warning("Can't load the image.");
 697                                 g_free(filename);
 698                                 END_TIMING();
 699                                 return;
 700                         }
 701
 702                         uri_str = g_filename_to_uri(filename, NULL, NULL);
 703                         if (uri_str) {
 704                                 uri = g_new0(ClickableText, 1);
 705                                 uri->uri = uri_str;
 706                                 uri->start = gtk_text_iter_get_offset(&iter);
 707
 708                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 709
 710                                 uri->end = uri->start + 1;
 711                                 uri->filename = procmime_get_part_file_name(mimeinfo);
 712                                 textview->uri_list =
 713                                         g_slist_prepend(textview->uri_list, uri);
 714
 715                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 716                                 gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, uri->start);
 717                                 gtk_text_buffer_apply_tag_by_name(buffer, "link",
 718                                                 &start_iter, &iter);
 719                         } else {
 720                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 721                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 722                         }
 723
 724                         g_object_unref(pixbuf);
 725                         g_free(filename);
 726                         END_TIMING();
 727                         GTK_EVENTS_FLUSH();
 728                 }
 729         } else if (mimeinfo->type == MIMETYPE_TEXT) {
 730                 if (prefs_common.display_header && (charcount > 0))
 731                         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 732
 733                 textview_write_body(textview, mimeinfo);
 734         }
 735         END_TIMING();
 736 }
 737
 738 static void recursive_add_parts(TextView *textview, GNode *node)
 739 {
 740         GNode * iter;
 741         MimeInfo *mimeinfo;
 742         START_TIMING("");
 743
 744         mimeinfo = (MimeInfo *) node->data;
 745
 746         textview_add_part(textview, mimeinfo);
 747 #ifdef MAEMO
 748         textview_set_position(textview, 0);
 749 #endif
 750         if ((mimeinfo->type != MIMETYPE_MULTIPART) &&
 751             (mimeinfo->type != MIMETYPE_MESSAGE)) {
 752                 END_TIMING();
 753                 return;
 754         }
 755         if (g_ascii_strcasecmp(mimeinfo->subtype, "alternative") == 0) {
 756                 GNode * prefered_body;
 757                 int prefered_score;
 758
 759                 /*
 760                   text/plain : score 3
 761                   text/ *    : score 2
 762                   other      : score 1
 763                 */
 764                 prefered_body = NULL;
 765                 prefered_score = 0;
 766
 767                 for (iter = g_node_first_child(node) ; iter != NULL ;
 768                      iter = g_node_next_sibling(iter)) {
 769                         int score;
 770                         MimeInfo * submime;
 771
 772                         score = 1;
 773                         submime = (MimeInfo *) iter->data;
 774                         if (submime->type == MIMETYPE_TEXT)
 775                                 score = 2;
 776
 777                         if (submime->subtype != NULL) {
 778                                 if (g_ascii_strcasecmp(submime->subtype, "plain") == 0)
 779                                         score = 3;
 780                         }
 781
 782                         if (score > prefered_score) {
 783                                 prefered_score = score;
 784                                 prefered_body = iter;
 785                         }
 786                 }
 787
 788                 if (prefered_body != NULL) {
 789                         recursive_add_parts(textview, prefered_body);
 790                 }
 791         }
 792         else {
 793                 for (iter = g_node_first_child(node) ; iter != NULL ;
 794                      iter = g_node_next_sibling(iter)) {
 795                         recursive_add_parts(textview, iter);
 796                 }
 797         }
 798         END_TIMING();
 799 }
 800
 801 static void textview_add_parts(TextView *textview, MimeInfo *mimeinfo)
 802 {
 803         g_return_if_fail(mimeinfo != NULL);
 804
 805         recursive_add_parts(textview, mimeinfo->node);
 806 }
 807
 808 void textview_show_error(TextView *textview)
 809 {
 810         GtkTextView *text;
 811         GtkTextBuffer *buffer;
 812         GtkTextIter iter;
 813
 814         textview_set_font(textview, NULL);
 815         textview_clear(textview);
 816
 817         text = GTK_TEXT_VIEW(textview->text);
 818         buffer = gtk_text_view_get_buffer(text);
 819         gtk_text_buffer_get_start_iter(buffer, &iter);
 820
 821         TEXTVIEW_INSERT(_("\n"
 822                       "  This message can't be displayed.\n"
 823                       "  This is probably due to a network error.\n"
 824                       "\n"
 825                       "  Use "));
 826         TEXTVIEW_INSERT_LINK(_("'View Log'"), "sc://view_log", NULL);
 827         TEXTVIEW_INSERT(_(" in the Tools menu for more information."));
 828         textview_show_icon(textview, GTK_STOCK_DIALOG_ERROR);
 829
 830 }
 831
 832 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
 833 {
 834         GtkTextView *text;
 835         GtkTextBuffer *buffer;
 836         GtkTextIter iter;
 837         const gchar *name;
 838         gchar *content_type;
 839
 840         if (!partinfo) return;
 841
 842         textview_set_font(textview, NULL);
 843         textview_clear(textview);
 844
 845         text = GTK_TEXT_VIEW(textview->text);
 846         buffer = gtk_text_view_get_buffer(text);
 847         gtk_text_buffer_get_start_iter(buffer, &iter);
 848
 849         TEXTVIEW_INSERT("\n");
 850
 851         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 852         if (name == NULL)
 853                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 854         if (name != NULL) {
 855                 content_type = procmime_get_content_type_str(partinfo->type,
 856                                                      partinfo->subtype);
 857                 TEXTVIEW_INSERT("  ");
 858                 TEXTVIEW_INSERT_BOLD(name);
 859                 TEXTVIEW_INSERT(" (");
 860                 TEXTVIEW_INSERT(content_type);
 861                 TEXTVIEW_INSERT(", ");
 862                 TEXTVIEW_INSERT(to_human_readable(partinfo->length));
 863                 TEXTVIEW_INSERT("):\n\n");
 864
 865                 g_free(content_type);
 866         }
 867         TEXTVIEW_INSERT(_("  The following can be performed on this part\n"));
 868 #ifndef MAEMO
 869         TEXTVIEW_INSERT(_("  by right-clicking the icon or list item:"));
 870 #endif
 871         TEXTVIEW_INSERT("\n");
 872
 873         TEXTVIEW_INSERT(_("     - To save, select "));
 874         TEXTVIEW_INSERT_LINK(_("'Save as...'"), "sc://save_as", NULL);
 875 #ifndef MAEMO
 876         TEXTVIEW_INSERT(_(" (Shortcut key: 'y')"));
 877 #endif
 878         TEXTVIEW_INSERT("\n");
 879
 880         TEXTVIEW_INSERT(_("     - To display as text, select "));
 881         TEXTVIEW_INSERT_LINK(_("'Display as text'"), "sc://display_as_text", NULL);
 882
 883 #ifndef MAEMO
 884         TEXTVIEW_INSERT(_(" (Shortcut key: 't')"));
 885 #endif
 886         TEXTVIEW_INSERT("\n");
 887
 888         TEXTVIEW_INSERT(_("     - To open with an external program, select "));
 889         TEXTVIEW_INSERT_LINK(_("'Open'"), "sc://open", NULL);
 890
 891 #ifndef MAEMO
 892         TEXTVIEW_INSERT(_(" (Shortcut key: 'l')\n"));
 893         TEXTVIEW_INSERT(_("       (alternately double-click, or click the middle "));
 894         TEXTVIEW_INSERT(_("mouse button)\n"));
 895         TEXTVIEW_INSERT(_("     - Or use "));
 896         TEXTVIEW_INSERT_LINK(_("'Open with...'"), "sc://open_with", NULL);
 897         TEXTVIEW_INSERT(_(" (Shortcut key: 'o')"));
 898 #endif
 899         TEXTVIEW_INSERT("\n");
 900
 901         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
 902 }
 903
 904 static void textview_write_body(TextView *textview, MimeInfo *mimeinfo)
 905 {
 906         FILE *tmpfp;
 907         gchar buf[BUFFSIZE];
 908         CodeConverter *conv;
 909         const gchar *charset, *p, *cmd;
 910         GSList *cur;
 911
 912         if (textview->messageview->forced_charset)
 913                 charset = textview->messageview->forced_charset;
 914         else
 915                 charset = procmime_mimeinfo_get_parameter(mimeinfo, "charset");
 916
 917         textview_set_font(textview, charset);
 918
 919         conv = conv_code_converter_new(charset);
 920
 921         procmime_force_encoding(textview->messageview->forced_encoding);
 922
 923         textview->is_in_signature = FALSE;
 924
 925         procmime_decode_content(mimeinfo);
 926
 927         if (!g_ascii_strcasecmp(mimeinfo->subtype, "html") &&
 928             prefs_common.render_html) {
 929                 gchar *filename;
 930
 931                 filename = procmime_get_tmp_file_name(mimeinfo);
 932                 if (procmime_get_part(filename, mimeinfo) == 0) {
 933                         tmpfp = g_fopen(filename, "rb");
 934                         textview_show_html(textview, tmpfp, conv);
 935                         fclose(tmpfp);
 936                         g_unlink(filename);
 937                 }
 938                 g_free(filename);
 939         } else if (!g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
 940                 gchar *filename;
 941
 942                 filename = procmime_get_tmp_file_name(mimeinfo);
 943                 if (procmime_get_part(filename, mimeinfo) == 0) {
 944                         tmpfp = g_fopen(filename, "rb");
 945                         textview_show_ertf(textview, tmpfp, conv);
 946                         fclose(tmpfp);
 947                         g_unlink(filename);
 948                 }
 949                 g_free(filename);
 950 #ifndef G_OS_WIN32
 951         } else if ( g_ascii_strcasecmp(mimeinfo->subtype, "plain") &&
 952                    (cmd = prefs_common.mime_textviewer) && *cmd &&
 953                    (p = strchr(cmd, '%')) && *(p + 1) == 's') {
 954                 int pid, pfd[2];
 955                 const gchar *fname;
 956
 957                 fname  = procmime_get_tmp_file_name(mimeinfo);
 958                 if (procmime_get_part(fname, mimeinfo)) goto textview_default;
 959
 960                 g_snprintf(buf, sizeof(buf), cmd, fname);
 961                 debug_print("Viewing text content of type: %s (length: %d) "
 962                         "using %s\n", mimeinfo->subtype, mimeinfo->length, buf);
 963
 964                 if (pipe(pfd) < 0) {
 965                         g_snprintf(buf, sizeof(buf),
 966                                 "pipe failed for textview\n\n%s\n", strerror(errno));
 967                         textview_write_line(textview, buf, conv, TRUE);
 968                         goto textview_default;
 969                 }
 970                 pid = fork();
 971                 if (pid < 0) {
 972                         g_snprintf(buf, sizeof(buf),
 973                                 "fork failed for textview\n\n%s\n", strerror(errno));
 974                         textview_write_line(textview, buf, conv, TRUE);
 975                         close(pfd[0]);
 976                         close(pfd[1]);
 977                         goto textview_default;
 978                 }
 979                 if (pid == 0) { /* child */
 980                         int rc;
 981                         gchar **argv;
 982                         argv = strsplit_with_quote(buf, " ", 0);
 983                         close(1);
 984                         close(pfd[0]);
 985                         dup(pfd[1]);
 986                         rc = execvp(argv[0], argv);
 987                         close(pfd[1]);
 988                         g_print(_("The command to view attachment "
 989                                 "as text failed:\n"
 990                                 "    %s\n"
 991                                 "Exit code %d\n"), buf, rc);
 992                         exit(255);
 993                 }
 994                 close(pfd[1]);
 995                 tmpfp = fdopen(pfd[0], "rb");
 996                 while (fgets(buf, sizeof(buf), tmpfp)) {
 997                         textview_write_line(textview, buf, conv, TRUE);
 998
 999                         if (textview->stop_loading) {
1000                                 fclose(tmpfp);
1001                                 waitpid(pid, pfd, 0);
1002                                 unlink(fname);
1003                                 return;
1004                         }
1005                 }
1006
1007                 fclose(tmpfp);
1008                 waitpid(pid, pfd, 0);
1009                 unlink(fname);
1010 #endif
1011         } else {
1012 textview_default:
1013                 tmpfp = g_fopen(mimeinfo->data.filename, "rb");
1014                 fseek(tmpfp, mimeinfo->offset, SEEK_SET);
1015                 debug_print("Viewing text content of type: %s (length: %d)\n", mimeinfo->subtype, mimeinfo->length);
1016                 while ((ftell(tmpfp) < mimeinfo->offset + mimeinfo->length) &&
1017                        (fgets(buf, sizeof(buf), tmpfp) != NULL)) {
1018                         textview_write_line(textview, buf, conv, TRUE);
1019                         if (textview->stop_loading) {
1020                                 fclose(tmpfp);
1021                                 return;
1022                         }
1023                 }
1024                 fclose(tmpfp);
1025         }
1026
1027         conv_code_converter_destroy(conv);
1028         procmime_force_encoding(0);
1029
1030         textview->uri_list = g_slist_reverse(textview->uri_list);
1031         for (cur = textview->uri_list; cur; cur = cur->next) {
1032                 ClickableText *uri = (ClickableText *)cur->data;
1033                 if (!uri->is_quote)
1034                         continue;
1035                 if (!prefs_common.hide_quotes ||
1036                     uri->quote_level+1 < prefs_common.hide_quotes) {
1037                         textview_toggle_quote(textview, cur, uri, TRUE);
1038                         if (textview->stop_loading) {
1039                                 return;
1040                         }
1041                 }
1042         }
1043
1044         GTK_EVENTS_FLUSH();
1045 }
1046
1047 static void textview_show_html(TextView *textview, FILE *fp,
1048                                CodeConverter *conv)
1049 {
1050         SC_HTMLParser *parser;
1051         gchar *str;
1052         gint lines = 0;
1053
1054         parser = sc_html_parser_new(fp, conv);
1055         g_return_if_fail(parser != NULL);
1056
1057         while ((str = sc_html_parse(parser)) != NULL) {
1058                 if (parser->state == SC_HTML_HREF) {
1059                         /* first time : get and copy the URL */
1060                         if (parser->href == NULL) {
1061                                 /* ALF - the claws html parser returns an empty string,
1062                                  * if still inside an <a>, but already parsed past HREF */
1063                                 str = strtok(str, " ");
1064                                 if (str) {
1065                                         while (str && *str && g_ascii_isspace(*str))
1066                                                 str++;
1067                                         parser->href = g_strdup(str);
1068                                         /* the URL may (or not) be followed by the
1069                                          * referenced text */
1070                                         str = strtok(NULL, "");
1071                                 }
1072                         }
1073                         if (str != NULL)
1074                                 textview_write_link(textview, str, parser->href, NULL);
1075                 } else
1076                         textview_write_line(textview, str, NULL, FALSE);
1077                 lines++;
1078                 if (lines % 500 == 0)
1079                         GTK_EVENTS_FLUSH();
1080                 if (textview->stop_loading) {
1081                         return;
1082                 }
1083         }
1084         textview_write_line(textview, "\n", NULL, FALSE);
1085         sc_html_parser_destroy(parser);
1086 }
1087
1088 static void textview_show_ertf(TextView *textview, FILE *fp,
1089                                CodeConverter *conv)
1090 {
1091         ERTFParser *parser;
1092         gchar *str;
1093         gint lines = 0;
1094
1095         parser = ertf_parser_new(fp, conv);
1096         g_return_if_fail(parser != NULL);
1097
1098         while ((str = ertf_parse(parser)) != NULL) {
1099                 textview_write_line(textview, str, NULL, FALSE);
1100                 lines++;
1101                 if (lines % 500 == 0)
1102                         GTK_EVENTS_FLUSH();
1103                 if (textview->stop_loading) {
1104                         return;
1105                 }
1106         }
1107
1108         ertf_parser_destroy(parser);
1109 }
1110
1111 #define ADD_TXT_POS(bp_, ep_, pti_) \
1112         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1113                 last = last->next; \
1114                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1115                 last->next = NULL; \
1116         } else { \
1117                 g_warning("alloc error scanning URIs\n"); \
1118                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, \
1119                                                          linebuf, -1, \
1120                                                          fg_tag, NULL); \
1121                 return; \
1122         }
1123
1124 #define ADD_TXT_POS_LATER(bp_, ep_, pti_) \
1125         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1126                 last = last->next; \
1127                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1128                 last->next = NULL; \
1129         } else { \
1130                 g_warning("alloc error scanning URIs\n"); \
1131         }
1132
1133 /* textview_make_clickable_parts() - colorizes clickable parts */
1134 static void textview_make_clickable_parts(TextView *textview,
1135                                           const gchar *fg_tag,
1136                                           const gchar *uri_tag,
1137                                           const gchar *linebuf,
1138                                           gboolean hdr)
1139 {
1140         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1141         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1142         GtkTextIter iter;
1143         gchar *mybuf = g_strdup(linebuf);
1144
1145         /* parse table - in order of priority */
1146         struct table {
1147                 const gchar *needle; /* token */
1148
1149                 /* token search function */
1150                 gchar    *(*search)     (const gchar *haystack,
1151                                          const gchar *needle);
1152                 /* part parsing function */
1153                 gboolean  (*parse)      (const gchar *start,
1154                                          const gchar *scanpos,
1155                                          const gchar **bp_,
1156                                          const gchar **ep_,
1157                                          gboolean hdr);
1158                 /* part to URI function */
1159                 gchar    *(*build_uri)  (const gchar *bp,
1160                                          const gchar *ep);
1161         };
1162
1163         static struct table parser[] = {
1164                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1165                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1166                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1167                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1168                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1169                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1170                 {"@",        strcasestr, get_email_part, make_email_string}
1171         };
1172         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1173
1174         gint  n;
1175         const gchar *walk, *bp, *ep;
1176
1177         struct txtpos {
1178                 const gchar     *bp, *ep;       /* text position */
1179                 gint             pti;           /* index in parse table */
1180                 struct txtpos   *next;          /* next */
1181         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1182
1183         if (!g_utf8_validate(linebuf, -1, NULL)) {
1184                 g_free(mybuf);
1185                 mybuf = g_malloc(strlen(linebuf)*2 +1);
1186                 conv_localetodisp(mybuf, strlen(linebuf)*2 +1, linebuf);
1187         }
1188
1189         gtk_text_buffer_get_end_iter(buffer, &iter);
1190
1191         /* parse for clickable parts, and build a list of begin and end positions  */
1192         for (walk = mybuf, n = 0;;) {
1193                 gint last_index = PARSE_ELEMS;
1194                 gchar *scanpos = NULL;
1195
1196                 /* FIXME: this looks phony. scanning for anything in the parse table */
1197                 for (n = 0; n < PARSE_ELEMS; n++) {
1198                         gchar *tmp;
1199
1200                         tmp = parser[n].search(walk, parser[n].needle);
1201                         if (tmp) {
1202                                 if (scanpos == NULL || tmp < scanpos) {
1203                                         scanpos = tmp;
1204                                         last_index = n;
1205                                 }
1206                         }
1207                 }
1208
1209                 if (scanpos) {
1210                         /* check if URI can be parsed */
1211                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, hdr)
1212                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1213                                         ADD_TXT_POS(bp, ep, last_index);
1214                                         walk = ep;
1215                         } else
1216                                 walk = scanpos +
1217                                         strlen(parser[last_index].needle);
1218                 } else
1219                         break;
1220         }
1221
1222         /* colorize this line */
1223         if (head.next) {
1224                 const gchar *normal_text = mybuf;
1225
1226                 /* insert URIs */
1227                 for (last = head.next; last != NULL;
1228                      normal_text = last->ep, last = last->next) {
1229                         ClickableText *uri;
1230                         uri = g_new0(ClickableText, 1);
1231                         if (last->bp - normal_text > 0)
1232                                 gtk_text_buffer_insert_with_tags_by_name
1233                                         (buffer, &iter,
1234                                          normal_text,
1235                                          last->bp - normal_text,
1236                                          fg_tag, NULL);
1237                         uri->uri = parser[last->pti].build_uri(last->bp,
1238                                                                last->ep);
1239                         uri->start = gtk_text_iter_get_offset(&iter);
1240                         gtk_text_buffer_insert_with_tags_by_name
1241                                 (buffer, &iter, last->bp, last->ep - last->bp,
1242                                  uri_tag, fg_tag, NULL);
1243                         uri->end = gtk_text_iter_get_offset(&iter);
1244                         uri->filename = NULL;
1245                         textview->uri_list =
1246                                 g_slist_prepend(textview->uri_list, uri);
1247                 }
1248
1249                 if (*normal_text)
1250                         gtk_text_buffer_insert_with_tags_by_name
1251                                 (buffer, &iter, normal_text, -1, fg_tag, NULL);
1252         } else {
1253                 gtk_text_buffer_insert_with_tags_by_name
1254                         (buffer, &iter, mybuf, -1, fg_tag, NULL);
1255         }
1256         g_free(mybuf);
1257 }
1258
1259 /* textview_make_clickable_parts() - colorizes clickable parts */
1260 static void textview_make_clickable_parts_later(TextView *textview,
1261                                           gint start, gint end)
1262 {
1263         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1264         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1265         GtkTextIter start_iter, end_iter;
1266         gchar *mybuf;
1267         gint offset = 0;
1268         /* parse table - in order of priority */
1269         struct table {
1270                 const gchar *needle; /* token */
1271
1272                 /* token search function */
1273                 gchar    *(*search)     (const gchar *haystack,
1274                                          const gchar *needle);
1275                 /* part parsing function */
1276                 gboolean  (*parse)      (const gchar *start,
1277                                          const gchar *scanpos,
1278                                          const gchar **bp_,
1279                                          const gchar **ep_,
1280                                          gboolean hdr);
1281                 /* part to URI function */
1282                 gchar    *(*build_uri)  (const gchar *bp,
1283                                          const gchar *ep);
1284         };
1285
1286         static struct table parser[] = {
1287                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1288                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1289                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1290                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1291                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1292                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1293                 {"@",        strcasestr, get_email_part, make_email_string}
1294         };
1295         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1296
1297         gint  n;
1298         const gchar *walk, *bp, *ep;
1299
1300         struct txtpos {
1301                 const gchar     *bp, *ep;       /* text position */
1302                 gint             pti;           /* index in parse table */
1303                 struct txtpos   *next;          /* next */
1304         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1305
1306         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start);
1307         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end);
1308         mybuf = gtk_text_buffer_get_text(buffer, &start_iter, &end_iter, FALSE);
1309         offset = gtk_text_iter_get_offset(&start_iter);
1310
1311         /* parse for clickable parts, and build a list of begin and end positions  */
1312         for (walk = mybuf, n = 0;;) {
1313                 gint last_index = PARSE_ELEMS;
1314                 gchar *scanpos = NULL;
1315
1316                 /* FIXME: this looks phony. scanning for anything in the parse table */
1317                 for (n = 0; n < PARSE_ELEMS; n++) {
1318                         gchar *tmp;
1319
1320                         tmp = parser[n].search(walk, parser[n].needle);
1321                         if (tmp) {
1322                                 if (scanpos == NULL || tmp < scanpos) {
1323                                         scanpos = tmp;
1324                                         last_index = n;
1325                                 }
1326                         }
1327                 }
1328
1329                 if (scanpos) {
1330                         /* check if URI can be parsed */
1331                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, FALSE)
1332                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1333                                         ADD_TXT_POS_LATER(bp, ep, last_index);
1334                                         walk = ep;
1335                         } else
1336                                 walk = scanpos +
1337                                         strlen(parser[last_index].needle);
1338                 } else
1339                         break;
1340         }
1341
1342         /* colorize this line */
1343         if (head.next) {
1344                 /* insert URIs */
1345                 for (last = head.next; last != NULL; last = last->next) {
1346                         ClickableText *uri;
1347                         gint start_offset, end_offset;
1348                         gchar *tmp_str;
1349                         gchar old_char;
1350                         uri = g_new0(ClickableText, 1);
1351                         uri->uri = parser[last->pti].build_uri(last->bp,
1352                                                                last->ep);
1353
1354                         tmp_str = mybuf;
1355                         old_char = tmp_str[last->ep - mybuf];
1356                         tmp_str[last->ep - mybuf] = '\0';
1357                         end_offset = g_utf8_strlen(tmp_str, -1);
1358                         tmp_str[last->ep - mybuf] = old_char;
1359
1360                         old_char = tmp_str[last->bp - mybuf];
1361                         tmp_str[last->bp - mybuf] = '\0';
1362                         start_offset = g_utf8_strlen(tmp_str, -1);
1363                         tmp_str[last->bp - mybuf] = old_char;
1364
1365                         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start_offset + offset);
1366                         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end_offset + offset);
1367
1368                         uri->start = gtk_text_iter_get_offset(&start_iter);
1369
1370                         gtk_text_buffer_apply_tag_by_name(buffer, "link", &start_iter, &end_iter);
1371
1372                         uri->end = gtk_text_iter_get_offset(&end_iter);
1373                         uri->filename = NULL;
1374                         textview->uri_list =
1375                                 g_slist_prepend(textview->uri_list, uri);
1376                 }
1377         }
1378
1379         g_free(mybuf);
1380 }
1381
1382 #undef ADD_TXT_POS
1383
1384 static void textview_write_line(TextView *textview, const gchar *str,
1385                                 CodeConverter *conv, gboolean do_quote_folding)
1386 {
1387         GtkTextView *text;
1388         GtkTextBuffer *buffer;
1389         GtkTextIter iter;
1390         gchar buf[BUFFSIZE];
1391         gchar *fg_color;
1392         gint quotelevel = -1, real_quotelevel = -1;
1393         gchar quote_tag_str[10];
1394
1395         text = GTK_TEXT_VIEW(textview->text);
1396         buffer = gtk_text_view_get_buffer(text);
1397         gtk_text_buffer_get_end_iter(buffer, &iter);
1398
1399         if (!conv)
1400                 strncpy2(buf, str, sizeof(buf));
1401         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1402                 conv_localetodisp(buf, sizeof(buf), str);
1403
1404         strcrchomp(buf);
1405         fg_color = NULL;
1406
1407         /* change color of quotation
1408            >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
1409            Up to 3 levels of quotations are detected, and each
1410            level is colored using a different color. */
1411         if (prefs_common.enable_color
1412             && line_has_quote_char(buf, prefs_common.quote_chars)) {
1413                 real_quotelevel = get_quote_level(buf, prefs_common.quote_chars);
1414                 quotelevel = real_quotelevel;
1415                 /* set up the correct foreground color */
1416                 if (quotelevel > 2) {
1417                         /* recycle colors */
1418                         if (prefs_common.recycle_quote_colors)
1419                                 quotelevel %= 3;
1420                         else
1421                                 quotelevel = 2;
1422                 }
1423         }
1424
1425         if (quotelevel == -1)
1426                 fg_color = NULL;
1427         else {
1428                 g_snprintf(quote_tag_str, sizeof(quote_tag_str),
1429                            "quote%d", quotelevel);
1430                 fg_color = quote_tag_str;
1431         }
1432
1433         if (prefs_common.enable_color &&
1434             (strcmp(buf,"-- \n") == 0 || strcmp(buf, "- -- \n") == 0 || textview->is_in_signature)) {
1435                 fg_color = "signature";
1436                 textview->is_in_signature = TRUE;
1437         }
1438
1439         if (real_quotelevel > -1 && do_quote_folding) {
1440                 if (!g_utf8_validate(buf, -1, NULL)) {
1441                         gchar *utf8buf = NULL;
1442                         utf8buf = g_malloc(BUFFSIZE);
1443                         conv_localetodisp(utf8buf, BUFFSIZE, buf);
1444                         strncpy2(buf, utf8buf, BUFFSIZE-1);
1445                         g_free(utf8buf);
1446                 }
1447 do_quote:
1448                 if ( textview->prev_quote_level != real_quotelevel ) {
1449                         ClickableText *uri;
1450                         uri = g_new0(ClickableText, 1);
1451                         uri->uri = g_strdup("");
1452                         uri->data = g_strdup(buf);
1453                         uri->start = gtk_text_iter_get_offset(&iter);
1454                         uri->is_quote = TRUE;
1455                         uri->quote_level = real_quotelevel;
1456                         uri->fg_color = g_strdup(fg_color);
1457
1458                         gtk_text_buffer_insert_with_tags_by_name
1459                                         (buffer, &iter, " [...]", -1,
1460                                          "qlink", fg_color, NULL);
1461                         uri->end = gtk_text_iter_get_offset(&iter);
1462                         gtk_text_buffer_insert(buffer, &iter, "  \n", -1);
1463
1464                         uri->filename = NULL;
1465                         textview->uri_list =
1466                                 g_slist_prepend(textview->uri_list, uri);
1467
1468                         textview->prev_quote_level = real_quotelevel;
1469                 } else {
1470                         GSList *last = textview->uri_list;
1471                         ClickableText *lasturi = NULL;
1472                         gint e_len = 0, n_len = 0;
1473
1474                         if (textview->uri_list) {
1475                                 lasturi = (ClickableText *)last->data;
1476                         } else {
1477                                 g_print("oops (%d %d)\n",
1478                                         real_quotelevel, textview->prev_quote_level);
1479                         }
1480                         if (lasturi->is_quote == FALSE) {
1481                                 textview->prev_quote_level = -1;
1482                                 goto do_quote;
1483                         }
1484                         e_len = lasturi->data ? strlen(lasturi->data):0;
1485                         n_len = strlen(buf);
1486                         lasturi->data = g_realloc((gchar *)lasturi->data, e_len + n_len + 1);
1487                         strcpy((gchar *)lasturi->data + e_len, buf);
1488                         *((gchar *)lasturi->data + e_len + n_len) = '\0';
1489                 }
1490         } else {
1491                 textview_make_clickable_parts(textview, fg_color, "link", buf, FALSE);
1492                 textview->prev_quote_level = -1;
1493         }
1494 }
1495
1496 void textview_write_link(TextView *textview, const gchar *str,
1497                          const gchar *uri, CodeConverter *conv)
1498 {
1499         GdkColor *link_color = NULL;
1500         GtkTextView *text;
1501         GtkTextBuffer *buffer;
1502         GtkTextIter iter;
1503         gchar buf[BUFFSIZE];
1504         gchar *bufp;
1505         ClickableText *r_uri;
1506
1507         if (!str || *str == '\0')
1508                 return;
1509         if (!uri)
1510                 return;
1511
1512         while (uri && *uri && g_ascii_isspace(*uri))
1513                 uri++;
1514
1515         text = GTK_TEXT_VIEW(textview->text);
1516         buffer = gtk_text_view_get_buffer(text);
1517         gtk_text_buffer_get_end_iter(buffer, &iter);
1518
1519         if (!conv)
1520                 strncpy2(buf, str, sizeof(buf));
1521         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1522                 conv_utf8todisp(buf, sizeof(buf), str);
1523
1524         if (g_utf8_validate(buf, -1, NULL) == FALSE)
1525                 return;
1526
1527         strcrchomp(buf);
1528
1529         gtk_text_buffer_get_end_iter(buffer, &iter);
1530         for (bufp = buf; *bufp != '\0'; bufp = g_utf8_next_char(bufp)) {
1531                 gunichar ch;
1532
1533                 ch = g_utf8_get_char(bufp);
1534                 if (!g_unichar_isspace(ch))
1535                         break;
1536         }
1537         if (bufp > buf)
1538                 gtk_text_buffer_insert(buffer, &iter, buf, bufp - buf);
1539
1540         if (prefs_common.enable_color) {
1541                 link_color = &uri_color;
1542         }
1543         r_uri = g_new0(ClickableText, 1);
1544         r_uri->uri = g_strdup(uri);
1545         r_uri->start = gtk_text_iter_get_offset(&iter);
1546         gtk_text_buffer_insert_with_tags_by_name
1547                 (buffer, &iter, bufp, -1, "link", NULL);
1548         r_uri->end = gtk_text_iter_get_offset(&iter);
1549         r_uri->filename = NULL;
1550         textview->uri_list = g_slist_prepend(textview->uri_list, r_uri);
1551 }
1552
1553 static void textview_set_cursor(GdkWindow *window, GdkCursor *cursor)
1554 {
1555         if (GDK_IS_WINDOW(window))
1556                 gdk_window_set_cursor(window, cursor);
1557 }
1558 void textview_clear(TextView *textview)
1559 {
1560         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1561         GtkTextBuffer *buffer;
1562         GdkWindow *window = gtk_text_view_get_window(text,
1563                                 GTK_TEXT_WINDOW_TEXT);
1564
1565         buffer = gtk_text_view_get_buffer(text);
1566         gtk_text_buffer_set_text(buffer, "", -1);
1567
1568         TEXTVIEW_STATUSBAR_POP(textview);
1569         textview_uri_list_remove_all(textview->uri_list);
1570         textview->uri_list = NULL;
1571         textview->uri_hover = NULL;
1572         textview->prev_quote_level = -1;
1573
1574         textview->body_pos = 0;
1575         if (textview->image)
1576                 gtk_widget_destroy(textview->image);
1577         textview->image = NULL;
1578
1579         if (textview->messageview->mainwin->cursor_count == 0) {
1580                 textview_set_cursor(window, text_cursor);
1581         } else {
1582                 textview_set_cursor(window, watch_cursor);
1583         }
1584 }
1585
1586 void textview_destroy(TextView *textview)
1587 {
1588         GtkTextBuffer *buffer;
1589         GtkClipboard *clipboard;
1590
1591         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1592         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1593         gtk_text_buffer_remove_selection_clipboard(buffer, clipboard);
1594
1595         textview_uri_list_remove_all(textview->uri_list);
1596         textview->uri_list = NULL;
1597         textview->prev_quote_level = -1;
1598
1599         g_free(textview);
1600 }
1601
1602 void textview_set_all_headers(TextView *textview, gboolean all_headers)
1603 {
1604         textview->show_all_headers = all_headers;
1605 }
1606
1607 #define CHANGE_TAG_FONT(tagname, font) { \
1608         tag = gtk_text_tag_table_lookup(tags, tagname); \
1609         if (tag) \
1610                 g_object_set(G_OBJECT(tag), "font-desc", font, NULL); \
1611 }
1612
1613 void textview_set_font(TextView *textview, const gchar *codeset)
1614 {
1615         GtkTextTag *tag;
1616         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1617         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
1618
1619         if (NORMAL_FONT) {
1620                 PangoFontDescription *font_desc, *bold_font_desc;
1621                 font_desc = pango_font_description_from_string
1622                                                 (NORMAL_FONT);
1623                 bold_font_desc = pango_font_description_from_string
1624                                                 (NORMAL_FONT);
1625                 if (font_desc) {
1626                         gtk_widget_modify_font(textview->text, font_desc);
1627                         CHANGE_TAG_FONT("header", font_desc);
1628                         CHANGE_TAG_FONT("hlink", font_desc);
1629                         pango_font_description_free(font_desc);
1630                 }
1631                 if (bold_font_desc) {
1632                         pango_font_description_set_weight
1633                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
1634                         CHANGE_TAG_FONT("header_title", bold_font_desc);
1635                         pango_font_description_free(bold_font_desc);
1636                 }
1637         }
1638
1639         if (prefs_common.textfont) {
1640                 PangoFontDescription *font_desc;
1641
1642                 font_desc = pango_font_description_from_string
1643                                                 (prefs_common.textfont);
1644                 if (font_desc) {
1645                         gtk_widget_modify_font(textview->text, font_desc);
1646                         pango_font_description_free(font_desc);
1647                 }
1648         }
1649         gtk_text_view_set_pixels_above_lines(GTK_TEXT_VIEW(textview->text),
1650                                              prefs_common.line_space / 2);
1651         gtk_text_view_set_pixels_below_lines(GTK_TEXT_VIEW(textview->text),
1652                                              prefs_common.line_space / 2);
1653 }
1654
1655 void textview_set_text(TextView *textview, const gchar *text)
1656 {
1657         GtkTextView *view;
1658         GtkTextBuffer *buffer;
1659
1660         g_return_if_fail(textview != NULL);
1661         g_return_if_fail(text != NULL);
1662
1663         textview_clear(textview);
1664
1665         view = GTK_TEXT_VIEW(textview->text);
1666         buffer = gtk_text_view_get_buffer(view);
1667         gtk_text_buffer_set_text(buffer, text, strlen(text));
1668 }
1669
1670 enum
1671 {
1672         H_DATE          = 0,
1673         H_FROM          = 1,
1674         H_TO            = 2,
1675         H_NEWSGROUPS    = 3,
1676         H_SUBJECT       = 4,
1677         H_CC            = 5,
1678         H_REPLY_TO      = 6,
1679         H_FOLLOWUP_TO   = 7,
1680         H_X_MAILER      = 8,
1681         H_X_NEWSREADER  = 9,
1682         H_USER_AGENT    = 10,
1683         H_ORGANIZATION  = 11,
1684 };
1685
1686 void textview_set_position(TextView *textview, gint pos)
1687 {
1688         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1689
1690         gtkut_text_view_set_position(text, pos);
1691 }
1692
1693 static gboolean header_is_internal(Header *header)
1694 {
1695         const gchar *internal_hdrs[] =
1696                 {"AF:", "NF:", "PS:", "SRH:", "SFN:", "DSR:", "MID:",
1697                  "CFG:", "PT:", "S:", "RQ:", "SSV:", "NSV:", "SSH:",
1698                  "R:", "MAID:", "SCF:", "RMID:", "FMID:", "NAID:",
1699                  "X-Claws-Account-Id:", "X-Claws-Sign:", "X-Claws-Encrypt:",
1700                  "X-Claws-Privacy-System:", "X-Claws-End-Special-Headers:",
1701                  "X-Sylpheed-Account-Id:", "X-Sylpheed-Sign:", "X-Sylpheed-Encrypt:",
1702                  "X-Sylpheed-Privacy-System:", "X-Sylpheed-End-Special-Headers:",
1703                  NULL};
1704         int i;
1705
1706         for (i = 0; internal_hdrs[i]; i++) {
1707                 if (!strcmp(header->name, internal_hdrs[i]))
1708                         return TRUE;
1709         }
1710         return FALSE;
1711 }
1712
1713 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1714 {
1715         gchar buf[BUFFSIZE];
1716         GPtrArray *headers, *sorted_headers;
1717         GSList *disphdr_list;
1718         Header *header;
1719         gint i;
1720
1721         g_return_val_if_fail(fp != NULL, NULL);
1722
1723         if (textview->show_all_headers) {
1724                 headers = procheader_get_header_array_asis(fp);
1725                 sorted_headers = g_ptr_array_new();
1726                 for (i = 0; i < headers->len; i++) {
1727                         header = g_ptr_array_index(headers, i);
1728                         if (!header_is_internal(header))
1729                                 g_ptr_array_add(sorted_headers, header);
1730                         else
1731                                 procheader_header_free(header);
1732                 }
1733                 g_ptr_array_free(headers, TRUE);
1734                 return sorted_headers;
1735         }
1736
1737         if (!prefs_common.display_header) {
1738                 while (fgets(buf, sizeof(buf), fp) != NULL)
1739                         if (buf[0] == '\r' || buf[0] == '\n') break;
1740                 return NULL;
1741         }
1742
1743         headers = procheader_get_header_array_asis(fp);
1744
1745         sorted_headers = g_ptr_array_new();
1746
1747         for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1748              disphdr_list = disphdr_list->next) {
1749                 DisplayHeaderProp *dp =
1750                         (DisplayHeaderProp *)disphdr_list->data;
1751
1752                 for (i = 0; i < headers->len; i++) {
1753                         header = g_ptr_array_index(headers, i);
1754
1755                         if (procheader_headername_equal(header->name,
1756                                                         dp->name)) {
1757                                 if (dp->hidden)
1758                                         procheader_header_free(header);
1759                                 else
1760                                         g_ptr_array_add(sorted_headers, header);
1761
1762                                 g_ptr_array_remove_index(headers, i);
1763                                 i--;
1764                         }
1765                 }
1766         }
1767
1768         if (prefs_common.show_other_header) {
1769                 for (i = 0; i < headers->len; i++) {
1770                         header = g_ptr_array_index(headers, i);
1771                         if (!header_is_internal(header)) {
1772                                 g_ptr_array_add(sorted_headers, header);
1773                         } else {
1774                                 procheader_header_free(header);
1775                         }
1776                 }
1777                 g_ptr_array_free(headers, TRUE);
1778         } else
1779                 procheader_header_array_destroy(headers);
1780
1781
1782         return sorted_headers;
1783 }
1784
1785 static void textview_show_face(TextView *textview)
1786 {
1787         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1788         MsgInfo *msginfo = textview->messageview->msginfo;
1789         int x = 0;
1790
1791         if (prefs_common.display_header_pane
1792         ||  !prefs_common.display_xface)
1793                 goto bail;
1794
1795         if (!msginfo->extradata || !msginfo->extradata->face) {
1796                 goto bail;
1797         }
1798
1799         if (textview->image)
1800                 gtk_widget_destroy(textview->image);
1801
1802         textview->image = face_get_from_header(msginfo->extradata->face);
1803         g_return_if_fail(textview->image != NULL);
1804
1805         gtk_widget_show(textview->image);
1806
1807         x = textview->text->allocation.width - WIDTH -5;
1808
1809         gtk_text_view_add_child_in_window(text, textview->image,
1810                 GTK_TEXT_WINDOW_TEXT, x, 5);
1811
1812         gtk_widget_show_all(textview->text);
1813
1814
1815         return;
1816 bail:
1817         if (textview->image)
1818                 gtk_widget_destroy(textview->image);
1819         textview->image = NULL;
1820 }
1821
1822 void textview_show_icon(TextView *textview, const gchar *stock_id)
1823 {
1824         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1825         int x = 0;
1826
1827         if (textview->image)
1828                 gtk_widget_destroy(textview->image);
1829
1830         textview->image = gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_DIALOG);
1831         g_return_if_fail(textview->image != NULL);
1832
1833         gtk_widget_show(textview->image);
1834
1835         x = textview->text->allocation.width - WIDTH -5;
1836
1837         gtk_text_view_add_child_in_window(text, textview->image,
1838                 GTK_TEXT_WINDOW_TEXT, x, 5);
1839
1840         gtk_widget_show_all(textview->text);
1841
1842
1843         return;
1844 }
1845
1846 #if HAVE_LIBCOMPFACE
1847 static void textview_show_xface(TextView *textview)
1848 {
1849         MsgInfo *msginfo = textview->messageview->msginfo;
1850         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1851         int x = 0;
1852         GdkWindow *window = NULL;
1853
1854         if (prefs_common.display_header_pane
1855         ||  !prefs_common.display_xface)
1856                 goto bail;
1857
1858         if (!msginfo || !msginfo->extradata)
1859                 goto bail;
1860
1861         if (msginfo->extradata->face)
1862                 return;
1863
1864         if (!msginfo->extradata->xface || strlen(msginfo->extradata->xface) < 5) {
1865                 goto bail;
1866         }
1867
1868         if (textview->image)
1869                 gtk_widget_destroy(textview->image);
1870
1871         window = mainwindow_get_mainwindow() ?
1872                         mainwindow_get_mainwindow()->window->window :
1873                         textview->text->window;
1874         textview->image = xface_get_from_header(msginfo->extradata->xface,
1875                                 &textview->text->style->white,
1876                                 window);
1877         g_return_if_fail(textview->image != NULL);
1878
1879         gtk_widget_show(textview->image);
1880
1881         x = textview->text->allocation.width - WIDTH -5;
1882
1883         gtk_text_view_add_child_in_window(text, textview->image,
1884                 GTK_TEXT_WINDOW_TEXT, x, 5);
1885
1886         gtk_widget_show_all(textview->text);
1887
1888         return;
1889 bail:
1890         if (textview->image)
1891                 gtk_widget_destroy(textview->image);
1892         textview->image = NULL;
1893
1894 }
1895 #endif
1896
1897 static void textview_save_contact_pic(TextView *textview)
1898 {
1899         MsgInfo *msginfo = textview->messageview->msginfo;
1900         gchar *filename = NULL;
1901         GError *error = NULL;
1902         GdkPixbuf *picture = NULL;
1903
1904         if (!msginfo->extradata || (!msginfo->extradata->face && !msginfo->extradata->xface))
1905                 return;
1906
1907         if (textview->image)
1908                 picture = gtk_image_get_pixbuf(GTK_IMAGE(textview->image));
1909
1910         filename = addrindex_get_picture_file(msginfo->from);
1911         if (!filename)
1912                 return;
1913         if (!is_file_exist(filename)) {
1914                 gdk_pixbuf_save(picture, filename, "png", &error, NULL);
1915                 if (error) {
1916                         g_warning(_("Failed to save image: \n%s"),
1917                                         error->message);
1918                         g_error_free(error);
1919                 }
1920         }
1921         g_free(filename);
1922 }
1923
1924 static void textview_show_contact_pic(TextView *textview)
1925 {
1926         MsgInfo *msginfo = textview->messageview->msginfo;
1927         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1928         int x = 0;
1929         gchar *filename = NULL;
1930         GError *error = NULL;
1931         GdkPixbuf *picture = NULL;
1932         gint w, h;
1933
1934         if (prefs_common.display_header_pane
1935         ||  !prefs_common.display_xface)
1936                 goto bail;
1937
1938         if (msginfo->extradata && (msginfo->extradata->face || msginfo->extradata->xface))
1939                 return;
1940
1941         if (textview->image)
1942                 gtk_widget_destroy(textview->image);
1943
1944         filename = addrindex_get_picture_file(msginfo->from);
1945
1946         if (!filename)
1947                 goto bail;
1948         if (!is_file_exist(filename)) {
1949                 g_free(filename);
1950                 goto bail;
1951         }
1952
1953         gdk_pixbuf_get_file_info(filename, &w, &h);
1954
1955         if (w > 48 || h > 48)
1956                 picture = gdk_pixbuf_new_from_file_at_scale(filename,
1957                                                 48, 48, TRUE, &error);
1958         else
1959                 picture = gdk_pixbuf_new_from_file(filename, &error);
1960
1961         if (error) {
1962                 debug_print("Failed to import image: \n%s",
1963                                 error->message);
1964                 g_error_free(error);
1965                 goto bail;
1966         }
1967         g_free(filename);
1968
1969         if (picture) {
1970                 textview->image = gtk_image_new_from_pixbuf(picture);
1971                 g_object_unref(picture);
1972         }
1973         g_return_if_fail(textview->image != NULL);
1974
1975         gtk_widget_show(textview->image);
1976
1977         x = textview->text->allocation.width - WIDTH -5;
1978
1979         gtk_text_view_add_child_in_window(text, textview->image,
1980                 GTK_TEXT_WINDOW_TEXT, x, 5);
1981
1982         gtk_widget_show_all(textview->text);
1983
1984         return;
1985 bail:
1986         if (textview->image)
1987                 gtk_widget_destroy(textview->image);
1988         textview->image = NULL;
1989
1990 }
1991
1992 static gint textview_tag_cmp_list(gconstpointer a, gconstpointer b)
1993 {
1994         gint id_a = GPOINTER_TO_INT(a);
1995         gint id_b = GPOINTER_TO_INT(b);
1996         const gchar *tag_a = tags_get_tag(id_a);
1997         const gchar *tag_b = tags_get_tag(id_b);
1998
1999         if (tag_a == NULL)
2000                 return tag_b == NULL ? 0:1;
2001
2002         if (tag_b == NULL)
2003                 return tag_a == NULL ? 0:1;
2004
2005         return g_utf8_collate(tag_a, tag_b);
2006 }
2007
2008
2009 static void textview_show_tags(TextView *textview)
2010 {
2011         MsgInfo *msginfo = textview->messageview->msginfo;
2012         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2013         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2014         GtkTextIter iter;
2015         ClickableText *uri;
2016         GSList *cur, *orig;
2017         gboolean found_tag = FALSE;
2018
2019         if (!msginfo->tags)
2020                 return;
2021
2022         cur = orig = g_slist_sort(g_slist_copy(msginfo->tags), textview_tag_cmp_list);
2023
2024         for (; cur; cur = cur->next) {
2025                 if (tags_get_tag(GPOINTER_TO_INT(cur->data)) != NULL) {
2026                         found_tag = TRUE;
2027                         break;
2028                 }
2029         }
2030         if (!found_tag) {
2031                 g_slist_free(orig);
2032                 return;
2033         }
2034
2035         gtk_text_buffer_get_end_iter (buffer, &iter);
2036         gtk_text_buffer_insert_with_tags_by_name(buffer,
2037                 &iter, _("Tags: "), -1,
2038                 "header_title", "header", "tags", NULL);
2039
2040         for (cur = orig; cur; cur = cur->next) {
2041                 const gchar *cur_tag = tags_get_tag(GPOINTER_TO_INT(cur->data));
2042                 if (!cur_tag)
2043                         continue;
2044                 uri = g_new0(ClickableText, 1);
2045                 uri->uri = g_strdup("");
2046                 uri->start = gtk_text_iter_get_offset(&iter);
2047                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
2048                         cur_tag, -1,
2049                         "link", "header", "tags", NULL);
2050                 uri->end = gtk_text_iter_get_offset(&iter);
2051                 uri->filename = g_strdup_printf("sc://search_tags:%s", cur_tag);
2052                 uri->data = NULL;
2053                 textview->uri_list =
2054                         g_slist_prepend(textview->uri_list, uri);
2055                 if (cur->next && tags_get_tag(GPOINTER_TO_INT(cur->next->data)))
2056                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, ", ", 2,
2057                                 "header", "tags", NULL);
2058                 else
2059                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, " ", 1,
2060                                 "header", "tags", NULL);
2061         }
2062         g_slist_free(orig);
2063
2064         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2065                 "header", "tags", NULL);
2066 }
2067
2068 static void textview_show_header(TextView *textview, GPtrArray *headers)
2069 {
2070         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2071         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2072         GtkTextIter iter;
2073         Header *header;
2074         gint i;
2075
2076         g_return_if_fail(headers != NULL);
2077
2078         textview_show_tags(textview);
2079
2080         for (i = 0; i < headers->len; i++) {
2081                 header = g_ptr_array_index(headers, i);
2082                 g_return_if_fail(header->name != NULL);
2083
2084                 gtk_text_buffer_get_end_iter (buffer, &iter);
2085                 if(prefs_common.trans_hdr == TRUE) {
2086                         gchar *hdr = g_strndup(header->name, strlen(header->name) - 1);
2087                         gchar *trans_hdr = gettext(hdr);
2088                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2089                                 &iter, trans_hdr, -1,
2090                                 "header_title", "header", NULL);
2091                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2092                                 &iter, ":", 1, "header_title", "header", NULL);
2093                         g_free(hdr);
2094                 } else {
2095                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2096                                 &iter, header->name,
2097                                 -1, "header_title", "header", NULL);
2098                 }
2099                 if (header->name[strlen(header->name) - 1] != ' ')
2100                 gtk_text_buffer_insert_with_tags_by_name
2101                                 (buffer, &iter, " ", 1,
2102                                  "header_title", "header", NULL);
2103
2104                 if (procheader_headername_equal(header->name, "Subject") ||
2105                     procheader_headername_equal(header->name, "From")    ||
2106                     procheader_headername_equal(header->name, "To")      ||
2107                     procheader_headername_equal(header->name, "Cc"))
2108                         unfold_line(header->body);
2109
2110                 if ((procheader_headername_equal(header->name, "X-Mailer") ||
2111                      procheader_headername_equal(header->name,
2112                                                  "X-Newsreader")) &&
2113                     (strstr(header->body, "Claws Mail") != NULL ||
2114                      strstr(header->body, "Sylpheed-Claws") != NULL)) {
2115                         gtk_text_buffer_get_end_iter (buffer, &iter);
2116                         gtk_text_buffer_insert_with_tags_by_name
2117                                 (buffer, &iter, header->body, -1,
2118                                  "header", "emphasis", NULL);
2119                 } else {
2120                         gboolean hdr =
2121                           procheader_headername_equal(header->name, "From") ||
2122                           procheader_headername_equal(header->name, "To") ||
2123                           procheader_headername_equal(header->name, "Cc") ||
2124                           procheader_headername_equal(header->name, "Bcc") ||
2125                           procheader_headername_equal(header->name, "Reply-To") ||
2126                           procheader_headername_equal(header->name, "Sender");
2127                         textview_make_clickable_parts(textview, "header",
2128                                                       "hlink", header->body,
2129                                                       hdr);
2130                 }
2131                 gtk_text_buffer_get_end_iter (buffer, &iter);
2132                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2133                                                          "header", NULL);
2134         }
2135
2136         textview_show_face(textview);
2137 #if HAVE_LIBCOMPFACE
2138         textview_show_xface(textview);
2139 #endif
2140         textview_save_contact_pic(textview);
2141         textview_show_contact_pic(textview);
2142 }
2143
2144 gboolean textview_search_string(TextView *textview, const gchar *str,
2145                                 gboolean case_sens)
2146 {
2147         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2148
2149         return gtkut_text_view_search_string(text, str, case_sens);
2150 }
2151
2152 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
2153                                          gboolean case_sens)
2154 {
2155         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2156
2157         return gtkut_text_view_search_string_backward(text, str, case_sens);
2158 }
2159
2160 void textview_scroll_one_line(TextView *textview, gboolean up)
2161 {
2162         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2163         GtkAdjustment *vadj = text->vadjustment;
2164
2165         gtkutils_scroll_one_line(GTK_WIDGET(text), vadj, up);
2166 }
2167
2168 gboolean textview_scroll_page(TextView *textview, gboolean up)
2169 {
2170         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2171         GtkAdjustment *vadj = text->vadjustment;
2172
2173         return gtkutils_scroll_page(GTK_WIDGET(text), vadj, up);
2174 }
2175
2176 #define KEY_PRESS_EVENT_STOP() \
2177         g_signal_stop_emission_by_name(G_OBJECT(widget), \
2178                                        "key_press_event");
2179
2180 static gint textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2181                                  TextView *textview)
2182 {
2183         SummaryView *summaryview = NULL;
2184         MessageView *messageview = textview->messageview;
2185
2186         if (!event) return FALSE;
2187         if (messageview->mainwin)
2188                 summaryview = messageview->mainwin->summaryview;
2189
2190         switch (event->keyval) {
2191         case GDK_Tab:
2192         case GDK_Home:
2193         case GDK_Left:
2194         case GDK_Up:
2195         case GDK_Right:
2196         case GDK_Down:
2197         case GDK_Page_Up:
2198         case GDK_Page_Down:
2199         case GDK_End:
2200         case GDK_Control_L:
2201         case GDK_Control_R:
2202                 return FALSE;
2203         case GDK_space:
2204                 if (summaryview)
2205                         summary_pass_key_press_event(summaryview, event);
2206                 else
2207                         mimeview_scroll_page
2208                                 (messageview->mimeview,
2209                                  (event->state &
2210                                   (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2211                 break;
2212         case GDK_BackSpace:
2213                 mimeview_scroll_page(messageview->mimeview, TRUE);
2214                 break;
2215         case GDK_Return:
2216         case GDK_KP_Enter:
2217                 mimeview_scroll_one_line
2218                         (messageview->mimeview, (event->state &
2219                                     (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2220                 break;
2221         case GDK_Delete:
2222                 if (summaryview)
2223                         summary_pass_key_press_event(summaryview, event);
2224                 break;
2225         case GDK_y:
2226         case GDK_t:
2227         case GDK_l:
2228         case GDK_o:
2229         case GDK_c:
2230         case GDK_a:
2231                 if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) == 0) {
2232                         KEY_PRESS_EVENT_STOP();
2233                         mimeview_pass_key_press_event(messageview->mimeview,
2234                                                       event);
2235                         break;
2236                 }
2237                 /* possible fall through */
2238         default:
2239                 if (summaryview &&
2240                     event->window != messageview->mainwin->window->window) {
2241                         GdkEventKey tmpev = *event;
2242
2243                         tmpev.window = messageview->mainwin->window->window;
2244                         KEY_PRESS_EVENT_STOP();
2245                         gtk_widget_event(messageview->mainwin->window,
2246                                          (GdkEvent *)&tmpev);
2247                 }
2248                 break;
2249         }
2250
2251         return TRUE;
2252 }
2253
2254 static gboolean textview_motion_notify(GtkWidget *widget,
2255                                        GdkEventMotion *event,
2256                                        TextView *textview)
2257 {
2258         if (textview->loading)
2259                 return FALSE;
2260         textview_uri_update(textview, event->x, event->y);
2261         gdk_window_get_pointer(widget->window, NULL, NULL, NULL);
2262
2263         return FALSE;
2264 }
2265
2266 static gboolean textview_leave_notify(GtkWidget *widget,
2267                                       GdkEventCrossing *event,
2268                                       TextView *textview)
2269 {
2270         if (textview->loading)
2271                 return FALSE;
2272         textview_uri_update(textview, -1, -1);
2273
2274         return FALSE;
2275 }
2276
2277 static gboolean textview_visibility_notify(GtkWidget *widget,
2278                                            GdkEventVisibility *event,
2279                                            TextView *textview)
2280 {
2281         gint wx, wy;
2282         GdkWindow *window;
2283
2284         if (textview->loading)
2285                 return FALSE;
2286
2287         window = gtk_text_view_get_window(GTK_TEXT_VIEW(widget),
2288                                           GTK_TEXT_WINDOW_TEXT);
2289
2290         /* check if occurred for the text window part */
2291         if (window != event->window)
2292                 return FALSE;
2293
2294         gdk_window_get_pointer(widget->window, &wx, &wy, NULL);
2295         textview_uri_update(textview, wx, wy);
2296
2297         return FALSE;
2298 }
2299
2300 void textview_cursor_wait(TextView *textview)
2301 {
2302         GdkWindow *window = gtk_text_view_get_window(
2303                         GTK_TEXT_VIEW(textview->text),
2304                         GTK_TEXT_WINDOW_TEXT);
2305         textview_set_cursor(window, watch_cursor);
2306 }
2307
2308 void textview_cursor_normal(TextView *textview)
2309 {
2310         GdkWindow *window = gtk_text_view_get_window(
2311                         GTK_TEXT_VIEW(textview->text),
2312                         GTK_TEXT_WINDOW_TEXT);
2313         textview_set_cursor(window, text_cursor);
2314 }
2315
2316 static void textview_uri_update(TextView *textview, gint x, gint y)
2317 {
2318         GtkTextBuffer *buffer;
2319         GtkTextIter start_iter, end_iter;
2320         ClickableText *uri = NULL;
2321
2322         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2323
2324         if (x != -1 && y != -1) {
2325                 gint bx, by;
2326                 GtkTextIter iter;
2327                 GSList *tags;
2328                 GSList *cur;
2329
2330                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview->text),
2331                                                       GTK_TEXT_WINDOW_WIDGET,
2332                                                       x, y, &bx, &by);
2333                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview->text),
2334                                                    &iter, bx, by);
2335
2336                 tags = gtk_text_iter_get_tags(&iter);
2337                 for (cur = tags; cur != NULL; cur = cur->next) {
2338                         GtkTextTag *tag = cur->data;
2339                         char *name;
2340
2341                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
2342
2343                         if ((!strcmp(name, "link") || !strcmp(name, "hlink"))
2344                             && textview_get_uri_range(textview, &iter, tag,
2345                                                       &start_iter, &end_iter)) {
2346
2347                                 uri = textview_get_uri_from_range(textview,
2348                                                                   &iter, tag,
2349                                                                   &start_iter,
2350                                                                   &end_iter);
2351                         }
2352                         g_free(name);
2353                         if (uri)
2354                                 break;
2355                 }
2356                 g_slist_free(tags);
2357         }
2358
2359         if (uri != textview->uri_hover) {
2360                 GdkWindow *window;
2361
2362                 if (textview->uri_hover)
2363                         gtk_text_buffer_remove_tag_by_name(buffer,
2364                                                            "link-hover",
2365                                                            &textview->uri_hover_start_iter,
2366                                                            &textview->uri_hover_end_iter);
2367
2368                 textview->uri_hover = uri;
2369                 if (uri) {
2370                         textview->uri_hover_start_iter = start_iter;
2371                         textview->uri_hover_end_iter = end_iter;
2372                 }
2373
2374                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview->text),
2375                                                   GTK_TEXT_WINDOW_TEXT);
2376                 if (textview->messageview->mainwin->cursor_count == 0) {
2377                         textview_set_cursor(window, uri ? hand_cursor : text_cursor);
2378                 } else {
2379                         textview_set_cursor(window, watch_cursor);
2380                 }
2381
2382                 TEXTVIEW_STATUSBAR_POP(textview);
2383
2384                 if (uri) {
2385                         char *trimmed_uri;
2386
2387                         if (!uri->is_quote)
2388                                 gtk_text_buffer_apply_tag_by_name(buffer,
2389                                                           "link-hover",
2390                                                           &start_iter,
2391                                                           &end_iter);
2392
2393                         trimmed_uri = trim_string(uri->uri, 60);
2394                         TEXTVIEW_STATUSBAR_PUSH(textview, trimmed_uri);
2395                         g_free(trimmed_uri);
2396                 }
2397         }
2398 }
2399
2400 static gboolean textview_get_uri_range(TextView *textview,
2401                                        GtkTextIter *iter,
2402                                        GtkTextTag *tag,
2403                                        GtkTextIter *start_iter,
2404                                        GtkTextIter *end_iter)
2405 {
2406         return get_tag_range(iter, tag, start_iter, end_iter);
2407 }
2408
2409 static ClickableText *textview_get_uri_from_range(TextView *textview,
2410                                               GtkTextIter *iter,
2411                                               GtkTextTag *tag,
2412                                               GtkTextIter *start_iter,
2413                                               GtkTextIter *end_iter)
2414 {
2415         gint start_pos, end_pos, cur_pos;
2416         ClickableText *uri = NULL;
2417         GSList *cur;
2418
2419         start_pos = gtk_text_iter_get_offset(start_iter);
2420         end_pos = gtk_text_iter_get_offset(end_iter);
2421         cur_pos = gtk_text_iter_get_offset(iter);
2422
2423         for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
2424                 ClickableText *uri_ = (ClickableText *)cur->data;
2425                 if (start_pos == uri_->start &&
2426                     end_pos ==  uri_->end) {
2427                         uri = uri_;
2428                         break;
2429                 }
2430         }
2431         for (cur = textview->uri_list; uri == NULL && cur != NULL; cur = cur->next) {
2432                 ClickableText *uri_ = (ClickableText *)cur->data;
2433                 if (start_pos == uri_->start ||
2434                            end_pos == uri_->end) {
2435                         /* in case of contiguous links, textview_get_uri_range
2436                          * returns a broader range (start of 1st link to end
2437                          * of last link).
2438                          * In that case, correct link is the one covering
2439                          * current iter.
2440                          */
2441                         if (uri_->start <= cur_pos && cur_pos <= uri_->end) {
2442                                 uri = uri_;
2443                                 break;
2444                         }
2445                 }
2446         }
2447
2448         return uri;
2449 }
2450
2451 static ClickableText *textview_get_uri(TextView *textview,
2452                                    GtkTextIter *iter,
2453                                    GtkTextTag *tag)
2454 {
2455         GtkTextIter start_iter, end_iter;
2456         ClickableText *uri = NULL;
2457
2458         if (textview_get_uri_range(textview, iter, tag, &start_iter,
2459                                    &end_iter))
2460                 uri = textview_get_uri_from_range(textview, iter, tag,
2461                                                   &start_iter, &end_iter);
2462
2463         return uri;
2464 }
2465
2466 static void textview_shift_uris_after(TextView *textview, GSList *start_list, gint start, gint shift)
2467 {
2468         GSList *cur;
2469         if (!start_list)
2470                 start_list = textview->uri_list;
2471
2472         for (cur = start_list; cur; cur = cur->next) {
2473                 ClickableText *uri = (ClickableText *)cur->data;
2474                 if (uri->start <= start)
2475                         continue;
2476                 uri->start += shift;
2477                 uri->end += shift;
2478         }
2479 }
2480
2481 static void textview_remove_uris_in(TextView *textview, gint start, gint end)
2482 {
2483         GSList *cur;
2484         for (cur = textview->uri_list; cur; ) {
2485                 ClickableText *uri = (ClickableText *)cur->data;
2486                 if (uri->start > start && uri->end < end) {
2487                         cur = cur->next;
2488                         textview->uri_list = g_slist_remove(textview->uri_list, uri);
2489                         g_free(uri->uri);
2490                         g_free(uri->filename);
2491                         if (uri->is_quote) {
2492                                 g_free(uri->fg_color);
2493                                 g_free(uri->data);
2494                                 /* (only free data in quotes uris) */
2495                         }
2496                         g_free(uri);
2497                 } else {
2498                         cur = cur->next;
2499                 }
2500
2501         }
2502 }
2503
2504 static void textview_toggle_quote(TextView *textview, GSList *start_list, ClickableText *uri, gboolean expand_only)
2505 {
2506         GtkTextIter start, end;
2507         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2508
2509         if (!uri->is_quote)
2510                 return;
2511
2512         if (uri->q_expanded && expand_only)
2513                 return;
2514
2515         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2516         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2517         if (textview->uri_hover)
2518                 gtk_text_buffer_remove_tag_by_name(buffer,
2519                                                    "link-hover",
2520                                                    &textview->uri_hover_start_iter,
2521                                                    &textview->uri_hover_end_iter);
2522         textview->uri_hover = NULL;
2523         gtk_text_buffer_remove_tag_by_name(buffer,
2524                                            "qlink",
2525                                            &start,
2526                                            &end);
2527         /* when shifting URIs start and end, we have to do it per-UTF8-char
2528          * so use g_utf8_strlen(). OTOH, when inserting in the text buffer,
2529          * we have to pass a number of bytes, so use strlen(). disturbing. */
2530
2531         if (!uri->q_expanded) {
2532                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2533                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2534                 textview_shift_uris_after(textview, start_list, uri->start,
2535                         g_utf8_strlen((gchar *)uri->data, -1)-strlen(" [...]\n"));
2536                 gtk_text_buffer_delete(buffer, &start, &end);
2537                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2538                 gtk_text_buffer_insert_with_tags_by_name
2539                                 (buffer, &start, (gchar *)uri->data,
2540                                  strlen((gchar *)uri->data)-1,
2541                                  "qlink", (gchar *)uri->fg_color, NULL);
2542                 uri->end = gtk_text_iter_get_offset(&start);
2543                 textview_make_clickable_parts_later(textview,
2544                                           uri->start, uri->end);
2545                 uri->q_expanded = TRUE;
2546         } else {
2547                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2548                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2549                 textview_remove_uris_in(textview, uri->start, uri->end);
2550                 textview_shift_uris_after(textview, start_list, uri->start,
2551                         strlen(" [...]\n")-g_utf8_strlen((gchar *)uri->data, -1));
2552                 gtk_text_buffer_delete(buffer, &start, &end);
2553                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2554                 gtk_text_buffer_insert_with_tags_by_name
2555                                 (buffer, &start, " [...]", -1,
2556                                  "qlink", (gchar *)uri->fg_color, NULL);
2557                 uri->end = gtk_text_iter_get_offset(&start);
2558                 uri->q_expanded = FALSE;
2559         }
2560         if (textview->messageview->mainwin->cursor_count == 0) {
2561                 textview_cursor_normal(textview);
2562         } else {
2563                 textview_cursor_wait(textview);
2564         }
2565 }
2566 static gboolean textview_uri_button_pressed(GtkTextTag *tag, GObject *obj,
2567                                             GdkEvent *event, GtkTextIter *iter,
2568                                             TextView *textview)
2569 {
2570         GdkEventButton *bevent;
2571         ClickableText *uri = NULL;
2572         char *tagname;
2573         gboolean qlink = FALSE;
2574
2575         if (!event)
2576                 return FALSE;
2577
2578         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
2579                 && event->type != GDK_MOTION_NOTIFY)
2580                 return FALSE;
2581
2582         uri = textview_get_uri(textview, iter, tag);
2583         if (!uri)
2584                 return FALSE;
2585
2586         g_object_get(G_OBJECT(tag), "name", &tagname, NULL);
2587
2588         if (!strcmp(tagname, "qlink"))
2589                 qlink = TRUE;
2590
2591         g_free(tagname);
2592
2593         bevent = (GdkEventButton *) event;
2594
2595         /* doubleclick: open compose / add address / browser */
2596         if (qlink && event->type == GDK_BUTTON_PRESS && bevent->button != 1) {
2597                 /* pass rightclick through */
2598                 return FALSE;
2599         } else if ((event->type == (qlink ? GDK_2BUTTON_PRESS:GDK_BUTTON_PRESS) && bevent->button == 1) ||
2600                 bevent->button == 2 || bevent->button == 3) {
2601                 if (uri->filename && !g_ascii_strncasecmp(uri->filename, "sc://", 5)) {
2602                         MimeView *mimeview =
2603                                 (textview->messageview)?
2604                                         textview->messageview->mimeview:NULL;
2605                         if (mimeview && bevent->button == 1) {
2606                                 mimeview_handle_cmd(mimeview, uri->filename, NULL, uri->data);
2607                         } else if (mimeview && bevent->button == 2 &&
2608                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2609                                 mimeview_handle_cmd(mimeview, "sc://open_attachment", NULL, uri->data);
2610                         } else if (mimeview && bevent->button == 3 &&
2611                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2612                                 mimeview_handle_cmd(mimeview, "sc://menu_attachment", bevent, uri->data);
2613                         }
2614                         return TRUE;
2615                 } else if (qlink && bevent->button == 1) {
2616                         textview_toggle_quote(textview, NULL, uri, FALSE);
2617                         return TRUE;
2618                 } else if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) {
2619                         if (bevent->button == 3) {
2620                                 g_object_set_data(
2621                                         G_OBJECT(textview->mail_popup_menu),
2622                                         "menu_button", uri);
2623                                 gtk_menu_popup(GTK_MENU(textview->mail_popup_menu),
2624                                                NULL, NULL, NULL, NULL,
2625                                                bevent->button, bevent->time);
2626                         } else {
2627                                 PrefsAccount *account = NULL;
2628                                 FolderItem   *folder_item = NULL;
2629                                 if (textview->messageview && textview->messageview->msginfo &&
2630                                     textview->messageview->msginfo->folder) {
2631
2632
2633                                         folder_item = textview->messageview->msginfo->folder;
2634                                         if (folder_item->prefs && folder_item->prefs->enable_default_account)
2635                                                 account = account_find_from_id(folder_item->prefs->default_account);
2636                                         if (!account)
2637                                                 account = account_find_from_item(folder_item);
2638                                 }
2639                                 compose_new_with_folderitem(account, folder_item, uri->uri + 7);
2640                         }
2641                         return TRUE;
2642                 } else if (g_ascii_strncasecmp(uri->uri, "file:", 5)) {
2643                         if (bevent->button == 1 &&
2644                             textview_uri_security_check(textview, uri) == TRUE)
2645                                         open_uri(uri->uri,
2646                                                  prefs_common_get_uri_cmd());
2647                         else if (bevent->button == 3 && !qlink) {
2648                                 g_object_set_data(
2649                                         G_OBJECT(textview->link_popup_menu),
2650                                         "menu_button", uri);
2651                                 gtk_menu_popup(GTK_MENU(textview->link_popup_menu),
2652                                                NULL, NULL, NULL, NULL,
2653                                                bevent->button, bevent->time);
2654                         }
2655                         return TRUE;
2656                 } else {
2657                         if (bevent->button == 3 && !qlink) {
2658                                 g_object_set_data(
2659                                         G_OBJECT(textview->file_popup_menu),
2660                                         "menu_button", uri);
2661                                 gtk_menu_popup(GTK_MENU(textview->file_popup_menu),
2662                                                NULL, NULL, NULL, NULL,
2663                                                bevent->button, bevent->time);
2664                                 return TRUE;
2665                         }
2666                 }
2667         }
2668
2669         return FALSE;
2670 }
2671
2672 gchar *textview_get_visible_uri         (TextView       *textview,
2673                                          ClickableText  *uri)
2674 {
2675         GtkTextBuffer *buffer;
2676         GtkTextIter start, end;
2677
2678         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2679
2680         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2681         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2682
2683         return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
2684 }
2685
2686 /*!
2687  *\brief    Check to see if a web URL has been disguised as a different
2688  *          URL (possible with HTML email).
2689  *
2690  *\param    uri The uri to check
2691  *
2692  *\param    textview The TextView the URL is contained in
2693  *
2694  *\return   gboolean TRUE if the URL is ok, or if the user chose to open
2695  *          it anyway, otherwise FALSE
2696  */
2697 gboolean textview_uri_security_check(TextView *textview, ClickableText *uri)
2698 {
2699         gchar *visible_str;
2700         gboolean retval = TRUE;
2701
2702         if (is_uri_string(uri->uri) == FALSE)
2703                 return TRUE;
2704
2705         visible_str = textview_get_visible_uri(textview, uri);
2706         if (visible_str == NULL)
2707                 return TRUE;
2708
2709         if (strcmp(visible_str, uri->uri) != 0 && is_uri_string(visible_str)) {
2710                 gchar *uri_path;
2711                 gchar *visible_uri_path;
2712
2713                 uri_path = get_uri_path(uri->uri);
2714                 visible_uri_path = get_uri_path(visible_str);
2715                 if (path_cmp(uri_path, visible_uri_path) != 0)
2716                         retval = FALSE;
2717         }
2718
2719         if (retval == FALSE) {
2720                 gchar *msg;
2721                 AlertValue aval;
2722
2723                 msg = g_markup_printf_escaped(_("The real URL is different from "
2724                                                 "the displayed URL.\n"
2725                                                 "\n"
2726                                                 "<b>Displayed URL:</b> %s\n"
2727                                                 "\n"
2728                                                 "<b>Real URL:</b> %s\n"
2729                                                 "\n"
2730                                                 "Open it anyway?"),
2731                                                visible_str,uri->uri);
2732                 aval = alertpanel_full(_("Phishing attempt warning"), msg,
2733                                        GTK_STOCK_CANCEL, _("_Open URL"), NULL, FALSE,
2734                                        NULL, ALERT_WARNING, G_ALERTDEFAULT);
2735                 g_free(msg);
2736                 if (aval == G_ALERTALTERNATE)
2737                         retval = TRUE;
2738         }
2739
2740         g_free(visible_str);
2741
2742         return retval;
2743 }
2744
2745 static void textview_uri_list_remove_all(GSList *uri_list)
2746 {
2747         GSList *cur;
2748
2749         for (cur = uri_list; cur != NULL; cur = cur->next) {
2750                 if (cur->data) {
2751                         g_free(((ClickableText *)cur->data)->uri);
2752                         g_free(((ClickableText *)cur->data)->filename);
2753                         if (((ClickableText *)cur->data)->is_quote) {
2754                                 g_free(((ClickableText *)cur->data)->fg_color);
2755                                 g_free(((ClickableText *)cur->data)->data);
2756                                 /* (only free data in quotes uris) */
2757                         }
2758                         g_free(cur->data);
2759                 }
2760         }
2761
2762         g_slist_free(uri_list);
2763 }
2764
2765 static void open_uri_cb (TextView *textview, guint action, void *data)
2766 {
2767         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2768                                            "menu_button");
2769         if (uri == NULL)
2770                 return;
2771
2772         if (textview_uri_security_check(textview, uri) == TRUE)
2773                 open_uri(uri->uri,
2774                          prefs_common_get_uri_cmd());
2775         g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2776                           NULL);
2777 }
2778
2779 static void open_image_cb (TextView *textview, guint action, void *data)
2780 {
2781         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
2782                                            "menu_button");
2783
2784         gchar *cmd = NULL;
2785         gchar buf[1024];
2786         const gchar *p;
2787         gchar *filename = NULL;
2788         gchar *tmp_filename = NULL;
2789
2790         if (uri == NULL)
2791                 return;
2792
2793         if (uri->filename == NULL)
2794                 return;
2795
2796         filename = g_strdup(uri->filename);
2797
2798         if (!g_utf8_validate(filename, -1, NULL)) {
2799                 gchar *tmp = conv_filename_to_utf8(filename);
2800                 g_free(filename);
2801                 filename = tmp;
2802         }
2803
2804         subst_for_filename(filename);
2805
2806         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
2807         copy_file(tmp_filename, filename, FALSE);
2808         g_free(tmp_filename);
2809
2810         cmd = mailcap_get_command_for_type("image/jpeg", filename);
2811         if (cmd == NULL) {
2812                 gboolean remember = FALSE;
2813                 cmd = input_dialog_combo_remember
2814                         (_("Open with"),
2815                          _("Enter the command line to open file:\n"
2816                            "('%s' will be replaced with file name)"),
2817                          prefs_common.mime_open_cmd,
2818                          prefs_common.mime_open_cmd_history,
2819                          &remember);
2820                 if (cmd && remember) {
2821                         mailcap_update_default("image/jpeg", cmd);
2822                 }
2823         }
2824         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2825             !strchr(p + 2, '%'))
2826                 g_snprintf(buf, sizeof(buf), cmd, filename);
2827         else {
2828                 g_warning("Image viewer command line is invalid: '%s'", cmd);
2829                 return;
2830         }
2831
2832         execute_command_line(buf, TRUE);
2833
2834         g_free(filename);
2835         g_free(cmd);
2836
2837         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
2838                           NULL);
2839 }
2840
2841 static void save_file_cb (TextView *textview, guint action, void *data)
2842 {
2843         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
2844                                            "menu_button");
2845         gchar *filename = NULL;
2846         gchar *filepath = NULL;
2847         gchar *filedir = NULL;
2848         gchar *tmp_filename = NULL;
2849         if (uri == NULL)
2850                 return;
2851
2852         if (uri->filename == NULL)
2853                 return;
2854
2855         filename = g_strdup(uri->filename);
2856
2857         if (!g_utf8_validate(filename, -1, NULL)) {
2858                 gchar *tmp = conv_filename_to_utf8(filename);
2859                 g_free(filename);
2860                 filename = tmp;
2861         }
2862
2863         subst_for_filename(filename);
2864
2865         if (prefs_common.attach_save_dir)
2866                 filepath = g_strconcat(prefs_common.attach_save_dir,
2867                                        G_DIR_SEPARATOR_S, filename, NULL);
2868         else
2869                 filepath = g_strdup(filename);
2870
2871         g_free(filename);
2872
2873         filename = filesel_select_file_save(_("Save as"), filepath);
2874         if (!filename) {
2875                 g_free(filepath);
2876                 return;
2877         }
2878
2879         if (is_file_exist(filename)) {
2880                 AlertValue aval;
2881                 gchar *res;
2882
2883                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
2884                                       filename);
2885                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
2886                                   GTK_STOCK_OK, NULL);
2887                 g_free(res);
2888                 if (G_ALERTALTERNATE != aval)
2889                         return;
2890         }
2891
2892         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
2893         copy_file(tmp_filename, filename, FALSE);
2894         g_free(tmp_filename);
2895
2896         filedir = g_path_get_dirname(filename);
2897         if (filedir && strcmp(filedir, ".")) {
2898                 g_free(prefs_common.attach_save_dir);
2899                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
2900         }
2901
2902         g_free(filedir);
2903         g_free(filepath);
2904
2905         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
2906                           NULL);
2907 }
2908
2909 static void copy_uri_cb (TextView *textview, guint action, void *data)
2910 {
2911         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2912                                            "menu_button");
2913         if (uri == NULL)
2914                 return;
2915
2916         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri, -1);
2917         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri, -1);
2918         g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2919                           NULL);
2920 }
2921
2922 static void add_uri_to_addrbook_cb (TextView *textview, guint action, void *data)
2923 {
2924         gchar *fromname, *fromaddress;
2925         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
2926                                            "menu_button");
2927         GtkWidget *image = NULL;
2928         GdkPixbuf *picture = NULL;
2929         gboolean use_picture = FALSE;
2930         if (uri == NULL)
2931                 return;
2932
2933         /* extract url */
2934         fromaddress = g_strdup(uri->uri + 7);
2935
2936         if (textview->messageview->msginfo &&
2937            !strcmp2(fromaddress, textview->messageview->msginfo->from))
2938                 use_picture = TRUE;
2939
2940         fromname = procheader_get_fromname(fromaddress);
2941         extract_address(fromaddress);
2942
2943         if (use_picture &&
2944             textview->messageview->msginfo &&
2945             textview->messageview->msginfo->extradata &&
2946             textview->messageview->msginfo->extradata->face) {
2947                 image = face_get_from_header(textview->messageview->msginfo->extradata->face);
2948         }
2949 #if HAVE_LIBCOMPFACE
2950         else if (use_picture &&
2951                  textview->messageview->msginfo &&
2952                  textview->messageview->msginfo->extradata &&
2953                  textview->messageview->msginfo->extradata->xface) {
2954                 image = xface_get_from_header(textview->messageview->msginfo->extradata->xface,
2955                                 &textview->text->style->white,
2956                                 mainwindow_get_mainwindow()->window->window);
2957         }
2958 #endif
2959         if (image)
2960                 picture = gtk_image_get_pixbuf(GTK_IMAGE(image));
2961
2962         addressbook_add_contact( fromname, fromaddress, NULL, picture);
2963
2964         g_free(fromaddress);
2965         g_free(fromname);
2966 }
2967
2968 static void mail_to_uri_cb (TextView *textview, guint action, void *data)
2969 {
2970         PrefsAccount *account = NULL;
2971         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
2972                                            "menu_button");
2973         if (uri == NULL)
2974                 return;
2975
2976         if (textview->messageview && textview->messageview->msginfo &&
2977             textview->messageview->msginfo->folder) {
2978                 FolderItem   *folder_item;
2979
2980                 folder_item = textview->messageview->msginfo->folder;
2981                 if (folder_item->prefs && folder_item->prefs->enable_default_account)
2982                         account = account_find_from_id(folder_item->prefs->default_account);
2983         }
2984         compose_new(account, uri->uri + 7, NULL);
2985 }
2986
2987 static void copy_mail_to_uri_cb (TextView *textview, guint action, void *data)
2988 {
2989         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
2990                                            "menu_button");
2991         if (uri == NULL)
2992                 return;
2993
2994         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri +7, -1);
2995         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri +7, -1);
2996         g_object_set_data(G_OBJECT(textview->mail_popup_menu), "menu_button",
2997                           NULL);
2998 }
2999
3000 void textview_get_selection_offsets(TextView *textview, gint *sel_start, gint *sel_end)
3001 {
3002                 GtkTextView *text = GTK_TEXT_VIEW(textview->text);
3003                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
3004                 GtkTextIter start, end;
3005                 if (gtk_text_buffer_get_selection_bounds(buffer, &start, &end)) {
3006                         if (sel_start)
3007                                 *sel_start = gtk_text_iter_get_offset(&start);
3008                         if (sel_end)
3009                                 *sel_end = gtk_text_iter_get_offset(&end);
3010                 } else {
3011                         if (sel_start)
3012                                 *sel_start = -1;
3013                         if (sel_end)
3014                                 *sel_end = -1;
3015                 }
3016 }