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