src/textview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws 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 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  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
  72 struct _ClickableText
  73 {
  74         gchar *uri;
  75
  76         gchar *filename;
  77
  78         gpointer data;
  79
  80         guint start;
  81         guint end;
  82
  83         gboolean is_quote;
  84         gint quote_level;
  85         gboolean q_expanded;
  86         gchar *fg_color;
  87 };
  88
  89 gint previousquotelevel = -1;
  90
  91 static GdkColor quote_colors[3] = {
  92         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  93         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  94         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  95 };
  96
  97 static GdkColor quote_bgcolors[3] = {
  98         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  99         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
 100         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
 101 };
 102 static GdkColor signature_color = {
 103         (gulong)0,
 104         (gushort)0x7fff,
 105         (gushort)0x7fff,
 106         (gushort)0x7fff
 107 };
 108
 109 static GdkColor uri_color = {
 110         (gulong)0,
 111         (gushort)0,
 112         (gushort)0,
 113         (gushort)0
 114 };
 115
 116 static GdkColor emphasis_color = {
 117         (gulong)0,
 118         (gushort)0,
 119         (gushort)0,
 120         (gushort)0xcfff
 121 };
 122
 123 static GdkCursor *hand_cursor = NULL;
 124 static GdkCursor *text_cursor = NULL;
 125 static GdkCursor *watch_cursor= NULL;
 126
 127 #define TEXTVIEW_STATUSBAR_PUSH(textview, str)                              \
 128 {       if (textview->messageview->statusbar)                               \
 129         gtk_statusbar_push(GTK_STATUSBAR(textview->messageview->statusbar), \
 130                            textview->messageview->statusbar_cid, str);      \
 131 }
 132
 133 #define TEXTVIEW_STATUSBAR_POP(textview)                                   \
 134 {       if (textview->messageview->statusbar)                              \
 135         gtk_statusbar_pop(GTK_STATUSBAR(textview->messageview->statusbar), \
 136                           textview->messageview->statusbar_cid);           \
 137 }
 138
 139 static void textview_show_ertf          (TextView       *textview,
 140                                          FILE           *fp,
 141                                          CodeConverter  *conv);
 142 static void textview_add_part           (TextView       *textview,
 143                                          MimeInfo       *mimeinfo);
 144 static void textview_add_parts          (TextView       *textview,
 145                                          MimeInfo       *mimeinfo);
 146 static void textview_write_body         (TextView       *textview,
 147                                          MimeInfo       *mimeinfo);
 148 static void textview_show_html          (TextView       *textview,
 149                                          FILE           *fp,
 150                                          CodeConverter  *conv);
 151
 152 static void textview_write_line         (TextView       *textview,
 153                                          const gchar    *str,
 154                                          CodeConverter  *conv);
 155 static void textview_write_link         (TextView       *textview,
 156                                          const gchar    *str,
 157                                          const gchar    *uri,
 158                                          CodeConverter  *conv);
 159
 160 static GPtrArray *textview_scan_header  (TextView       *textview,
 161                                          FILE           *fp);
 162 static void textview_show_header        (TextView       *textview,
 163                                          GPtrArray      *headers);
 164
 165 static gint textview_key_pressed                (GtkWidget      *widget,
 166                                                  GdkEventKey    *event,
 167                                                  TextView       *textview);
 168 static gboolean textview_motion_notify          (GtkWidget      *widget,
 169                                                  GdkEventMotion *motion,
 170                                                  TextView       *textview);
 171 static gboolean textview_leave_notify           (GtkWidget        *widget,
 172                                                  GdkEventCrossing *event,
 173                                                  TextView         *textview);
 174 static gboolean textview_visibility_notify      (GtkWidget      *widget,
 175                                                  GdkEventVisibility *event,
 176                                                  TextView       *textview);
 177 static void textview_uri_update                 (TextView       *textview,
 178                                                  gint           x,
 179                                                  gint           y);
 180 static gboolean textview_get_uri_range          (TextView       *textview,
 181                                                  GtkTextIter    *iter,
 182                                                  GtkTextTag     *tag,
 183                                                  GtkTextIter    *start_iter,
 184                                                  GtkTextIter    *end_iter);
 185 static ClickableText *textview_get_uri_from_range       (TextView       *textview,
 186                                                  GtkTextIter    *iter,
 187                                                  GtkTextTag     *tag,
 188                                                  GtkTextIter    *start_iter,
 189                                                  GtkTextIter    *end_iter);
 190 static ClickableText *textview_get_uri          (TextView       *textview,
 191                                                  GtkTextIter    *iter,
 192                                                  GtkTextTag     *tag);
 193 static gboolean textview_uri_button_pressed     (GtkTextTag     *tag,
 194                                                  GObject        *obj,
 195                                                  GdkEvent       *event,
 196                                                  GtkTextIter    *iter,
 197                                                  TextView       *textview);
 198
 199 static gboolean textview_uri_security_check     (TextView       *textview,
 200                                                  ClickableText  *uri);
 201 static void textview_uri_list_remove_all        (GSList         *uri_list);
 202
 203 static void textview_toggle_quote               (TextView       *textview,
 204                                                  GSList         *start_list,
 205                                                  ClickableText  *uri,
 206                                                  gboolean        expand_only);
 207
 208 static void open_uri_cb                         (TextView       *textview,
 209                                                  guint           action,
 210                                                  void           *data);
 211 static void copy_uri_cb                         (TextView       *textview,
 212                                                  guint           action,
 213                                                  void           *data);
 214 static void add_uri_to_addrbook_cb              (TextView       *textview,
 215                                                  guint           action,
 216                                                  void           *data);
 217 static void mail_to_uri_cb                      (TextView       *textview,
 218                                                  guint           action,
 219                                                  void           *data);
 220 static void copy_mail_to_uri_cb                 (TextView       *textview,
 221                                                  guint           action,
 222                                                  void           *data);
 223 static void save_file_cb                        (TextView       *textview,
 224                                                  guint           action,
 225                                                  void           *data);
 226 static void open_image_cb                       (TextView       *textview,
 227                                                  guint           action,
 228                                                  void           *data);
 229 static void textview_show_icon(TextView *textview, const gchar *stock_id);
 230
 231 static GtkItemFactoryEntry textview_link_popup_entries[] =
 232 {
 233         {N_("/_Open with Web browser"), NULL, open_uri_cb, 0, NULL},
 234         {N_("/Copy this _link"),        NULL, copy_uri_cb, 0, NULL},
 235 };
 236
 237 static GtkItemFactoryEntry textview_mail_popup_entries[] =
 238 {
 239         {N_("/Compose _new message"),   NULL, mail_to_uri_cb, 0, NULL},
 240         {N_("/Add to _address book"),   NULL, add_uri_to_addrbook_cb, 0, NULL},
 241         {N_("/Copy this add_ress"),     NULL, copy_mail_to_uri_cb, 0, NULL},
 242 };
 243
 244 static GtkItemFactoryEntry textview_file_popup_entries[] =
 245 {
 246         {N_("/_Open image"),            NULL, open_image_cb, 0, NULL},
 247         {N_("/_Save image..."),         NULL, save_file_cb, 0, NULL},
 248 };
 249
 250 static void scrolled_cb (GtkAdjustment *adj, TextView *textview)
 251 {
 252 #ifndef WIDTH
 253 #  define WIDTH 48
 254 #  define HEIGHT 48
 255 #endif
 256         if (textview->image) {
 257                 gint x, y, x1;
 258                 x1 = textview->text->allocation.width - WIDTH - 5;
 259                 gtk_text_view_buffer_to_window_coords(
 260                         GTK_TEXT_VIEW(textview->text),
 261                         GTK_TEXT_WINDOW_TEXT, x1, 5, &x, &y);
 262                 gtk_text_view_move_child(GTK_TEXT_VIEW(textview->text),
 263                         textview->image, x1, y);
 264         }
 265 }
 266
 267 static void textview_size_allocate_cb   (GtkWidget      *widget,
 268                                          GtkAllocation  *allocation,
 269                                          gpointer        data)
 270 {
 271         scrolled_cb(NULL, (TextView *)data);
 272 }
 273
 274 TextView *textview_create(void)
 275 {
 276         TextView *textview;
 277         GtkWidget *vbox;
 278         GtkWidget *scrolledwin;
 279         GtkWidget *text;
 280         GtkTextBuffer *buffer;
 281         GtkClipboard *clipboard;
 282         GtkItemFactory *link_popupfactory, *mail_popupfactory, *file_popupfactory;
 283         GtkWidget *link_popupmenu, *mail_popupmenu, *file_popupmenu;
 284         GtkAdjustment *adj;
 285         gint n_entries;
 286
 287         debug_print("Creating text view...\n");
 288         textview = g_new0(TextView, 1);
 289
 290         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 291         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 292                                        GTK_POLICY_AUTOMATIC,
 293                                        GTK_POLICY_AUTOMATIC);
 294         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 295                                             GTK_SHADOW_IN);
 296         gtk_widget_set_size_request
 297                 (scrolledwin, prefs_common.mainview_width, -1);
 298
 299         /* create GtkSText widgets for single-byte and multi-byte character */
 300         text = gtk_text_view_new();
 301         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 302         gtk_widget_show(text);
 303         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 304         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD_CHAR);
 305         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 306         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 307         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 308
 309         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 310         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 311         gtk_text_buffer_add_selection_clipboard(buffer, clipboard);
 312
 313         gtk_widget_ensure_style(text);
 314
 315         gtk_widget_ref(scrolledwin);
 316
 317         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 318
 319         g_signal_connect(G_OBJECT(text), "key-press-event",
 320                          G_CALLBACK(textview_key_pressed), textview);
 321         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 322                          G_CALLBACK(textview_motion_notify), textview);
 323         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 324                          G_CALLBACK(textview_leave_notify), textview);
 325         g_signal_connect(G_OBJECT(text), "visibility-notify-event",
 326                          G_CALLBACK(textview_visibility_notify), textview);
 327         adj = gtk_scrolled_window_get_vadjustment(
 328                 GTK_SCROLLED_WINDOW(scrolledwin));
 329         g_signal_connect(G_OBJECT(adj), "value-changed",
 330                          G_CALLBACK(scrolled_cb), textview);
 331         g_signal_connect(G_OBJECT(text), "size_allocate",
 332                          G_CALLBACK(textview_size_allocate_cb),
 333                          textview);
 334
 335
 336         gtk_widget_show(scrolledwin);
 337
 338         vbox = gtk_vbox_new(FALSE, 0);
 339         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 340
 341         gtk_widget_show(vbox);
 342
 343         n_entries = sizeof(textview_link_popup_entries) /
 344                 sizeof(textview_link_popup_entries[0]);
 345         link_popupmenu = menu_create_items(textview_link_popup_entries, n_entries,
 346                                       "<UriPopupMenu>", &link_popupfactory,
 347                                       textview);
 348
 349         n_entries = sizeof(textview_mail_popup_entries) /
 350                 sizeof(textview_mail_popup_entries[0]);
 351         mail_popupmenu = menu_create_items(textview_mail_popup_entries, n_entries,
 352                                       "<UriPopupMenu>", &mail_popupfactory,
 353                                       textview);
 354
 355         n_entries = sizeof(textview_file_popup_entries) /
 356                 sizeof(textview_file_popup_entries[0]);
 357         file_popupmenu = menu_create_items(textview_file_popup_entries, n_entries,
 358                                       "<FilePopupMenu>", &file_popupfactory,
 359                                       textview);
 360
 361         textview->vbox               = vbox;
 362         textview->scrolledwin        = scrolledwin;
 363         textview->text               = text;
 364         textview->uri_list           = NULL;
 365         textview->body_pos           = 0;
 366         textview->show_all_headers   = FALSE;
 367         textview->last_buttonpress   = GDK_NOTHING;
 368         textview->link_popup_menu    = link_popupmenu;
 369         textview->link_popup_factory = link_popupfactory;
 370         textview->mail_popup_menu    = mail_popupmenu;
 371         textview->mail_popup_factory = mail_popupfactory;
 372         textview->file_popup_menu    = file_popupmenu;
 373         textview->file_popup_factory = file_popupfactory;
 374         textview->image              = NULL;
 375         return textview;
 376 }
 377
 378 static void textview_create_tags(GtkTextView *text, TextView *textview)
 379 {
 380         GtkTextBuffer *buffer;
 381         GtkTextTag *tag, *qtag;
 382         static PangoFontDescription *font_desc, *bold_font_desc;
 383
 384         if (!font_desc)
 385                 font_desc = pango_font_description_from_string
 386                         (NORMAL_FONT);
 387
 388         if (!bold_font_desc) {
 389                 bold_font_desc = pango_font_description_from_string
 390                         (NORMAL_FONT);
 391                 pango_font_description_set_weight
 392                         (bold_font_desc, PANGO_WEIGHT_BOLD);
 393         }
 394
 395         buffer = gtk_text_view_get_buffer(text);
 396
 397         gtk_text_buffer_create_tag(buffer, "header",
 398                                    "pixels-above-lines", 0,
 399                                    "pixels-above-lines-set", TRUE,
 400                                    "pixels-below-lines", 0,
 401                                    "pixels-below-lines-set", TRUE,
 402                                    "font-desc", font_desc,
 403                                    "left-margin", 3,
 404                                    "left-margin-set", TRUE,
 405                                    NULL);
 406         gtk_text_buffer_create_tag(buffer, "header_title",
 407                                    "font-desc", bold_font_desc,
 408                                    NULL);
 409         tag = gtk_text_buffer_create_tag(buffer, "hlink",
 410                                    "pixels-above-lines", 0,
 411                                    "pixels-above-lines-set", TRUE,
 412                                    "pixels-below-lines", 0,
 413                                    "pixels-below-lines-set", TRUE,
 414                                    "font-desc", font_desc,
 415                                    "left-margin", 3,
 416                                    "left-margin-set", TRUE,
 417                                    "foreground-gdk", &uri_color,
 418                                    NULL);
 419         g_signal_connect(G_OBJECT(tag), "event",
 420                          G_CALLBACK(textview_uri_button_pressed), textview);
 421         if (prefs_common.enable_bgcolor) {
 422                 gtk_text_buffer_create_tag(buffer, "quote0",
 423                                 "foreground-gdk", &quote_colors[0],
 424                                 "paragraph-background-gdk", &quote_bgcolors[0],
 425                                 NULL);
 426                 gtk_text_buffer_create_tag(buffer, "quote1",
 427                                 "foreground-gdk", &quote_colors[1],
 428                                 "paragraph-background-gdk", &quote_bgcolors[1],
 429                                 NULL);
 430                 gtk_text_buffer_create_tag(buffer, "quote2",
 431                                 "foreground-gdk", &quote_colors[2],
 432                                 "paragraph-background-gdk", &quote_bgcolors[2],
 433                                 NULL);
 434         } else {
 435                 gtk_text_buffer_create_tag(buffer, "quote0",
 436                                 "foreground-gdk", &quote_colors[0],
 437                                 NULL);
 438                 gtk_text_buffer_create_tag(buffer, "quote1",
 439                                 "foreground-gdk", &quote_colors[1],
 440                                 NULL);
 441                 gtk_text_buffer_create_tag(buffer, "quote2",
 442                                 "foreground-gdk", &quote_colors[2],
 443                                 NULL);
 444         }
 445         gtk_text_buffer_create_tag(buffer, "emphasis",
 446                         "foreground-gdk", &emphasis_color,
 447                         NULL);
 448         gtk_text_buffer_create_tag(buffer, "signature",
 449                         "foreground-gdk", &signature_color,
 450                         NULL);
 451         tag = gtk_text_buffer_create_tag(buffer, "link",
 452                         "foreground-gdk", &uri_color,
 453                         NULL);
 454         qtag = gtk_text_buffer_create_tag(buffer, "qlink",
 455                         NULL);
 456         gtk_text_buffer_create_tag(buffer, "link-hover",
 457                         "underline", PANGO_UNDERLINE_SINGLE,
 458                         NULL);
 459         g_signal_connect(G_OBJECT(qtag), "event",
 460                          G_CALLBACK(textview_uri_button_pressed), textview);
 461         g_signal_connect(G_OBJECT(tag), "event",
 462                          G_CALLBACK(textview_uri_button_pressed), textview);
 463  }
 464
 465 void textview_init(TextView *textview)
 466 {
 467         if (!hand_cursor)
 468                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 469         if (!text_cursor)
 470                 text_cursor = gdk_cursor_new(GDK_XTERM);
 471         if (!watch_cursor)
 472                 watch_cursor = gdk_cursor_new(GDK_WATCH);
 473
 474         textview_reflect_prefs(textview);
 475         textview_set_all_headers(textview, FALSE);
 476         textview_set_font(textview, NULL);
 477         textview_create_tags(GTK_TEXT_VIEW(textview->text), textview);
 478 }
 479
 480 #if GTK_CHECK_VERSION(2, 8, 0)
 481  #define CHANGE_TAG_COLOR(tagname, colorfg, colorbg) { \
 482         tag = gtk_text_tag_table_lookup(tags, tagname); \
 483         if (tag) \
 484                 g_object_set(G_OBJECT(tag), "foreground-gdk", colorfg, "paragraph-background-gdk", colorbg, NULL); \
 485  }
 486 #else
 487  #define CHANGE_TAG_COLOR(tagname, colorfg, colorbg) { \
 488         tag = gtk_text_tag_table_lookup(tags, tagname); \
 489         if (tag) \
 490                 g_object_set(G_OBJECT(tag), "foreground-gdk", colorfg, NULL); \
 491  }
 492 #endif
 493
 494 static void textview_update_message_colors(TextView *textview)
 495 {
 496         GdkColor black = {0, 0, 0, 0};
 497         GdkColor colored_emphasis = {0, 0, 0, 0xcfff};
 498         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
 499
 500         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
 501         GtkTextTag *tag = NULL;
 502
 503         quote_bgcolors[0] = quote_bgcolors[1] = quote_bgcolors[2] = black;
 504         quote_colors[0] = quote_colors[1] = quote_colors[2] =
 505                 uri_color = emphasis_color = signature_color = black;
 506
 507         if (prefs_common.enable_color) {
 508                 /* grab the quote colors, converting from an int to a GdkColor */
 509                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
 510                                                &quote_colors[0]);
 511                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
 512                                                &quote_colors[1]);
 513                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
 514                                                &quote_colors[2]);
 515                 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
 516                                                &uri_color);
 517                 gtkut_convert_int_to_gdk_color(prefs_common.signature_col,
 518                                                &signature_color);
 519                 emphasis_color = colored_emphasis;
 520         }
 521         if (prefs_common.enable_color && prefs_common.enable_bgcolor) {
 522                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_bgcol,
 523                                                    &quote_bgcolors[0]);
 524                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_bgcol,
 525                                                    &quote_bgcolors[1]);
 526                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_bgcol,
 527                                                    &quote_bgcolors[2]);
 528                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], &quote_bgcolors[0]);
 529                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], &quote_bgcolors[1]);
 530                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], &quote_bgcolors[2]);
 531         } else {
 532                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], NULL);
 533                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], NULL);
 534                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], NULL);
 535         }
 536
 537         CHANGE_TAG_COLOR("emphasis", &emphasis_color, NULL);
 538         CHANGE_TAG_COLOR("signature", &signature_color, NULL);
 539         CHANGE_TAG_COLOR("link", &uri_color, NULL);
 540         CHANGE_TAG_COLOR("link-hover", &uri_color, NULL);
 541 }
 542 #undef CHANGE_TAG_COLOR
 543
 544 void textview_reflect_prefs(TextView *textview)
 545 {
 546         textview_set_font(textview, NULL);
 547         textview_update_message_colors(textview);
 548         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textview->text),
 549                                          prefs_common.textview_cursor_visible);
 550 }
 551
 552 void textview_show_message(TextView *textview, MimeInfo *mimeinfo,
 553                            const gchar *file)
 554 {
 555         textview->loading = TRUE;
 556         textview->stop_loading = FALSE;
 557
 558         textview_clear(textview);
 559
 560         textview_add_parts(textview, mimeinfo);
 561
 562         textview_set_position(textview, 0);
 563
 564         textview->loading = FALSE;
 565         textview->stop_loading = FALSE;
 566 }
 567
 568 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
 569 {
 570         START_TIMING("");
 571         g_return_if_fail(mimeinfo != NULL);
 572         g_return_if_fail(fp != NULL);
 573
 574         if ((mimeinfo->type == MIMETYPE_MULTIPART) ||
 575             ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822"))) {
 576                 textview->loading = TRUE;
 577                 textview->stop_loading = FALSE;
 578
 579                 textview_clear(textview);
 580                 textview_add_parts(textview, mimeinfo);
 581
 582                 textview->loading = FALSE;
 583                 textview->stop_loading = FALSE;
 584                 END_TIMING();
 585                 return;
 586         }
 587         textview->loading = TRUE;
 588         textview->stop_loading = FALSE;
 589
 590         if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0)
 591                 perror("fseek");
 592
 593         textview_clear(textview);
 594
 595         if (mimeinfo->type == MIMETYPE_MULTIPART)
 596                 textview_add_parts(textview, mimeinfo);
 597         else
 598                 textview_write_body(textview, mimeinfo);
 599
 600         textview->loading = FALSE;
 601         textview->stop_loading = FALSE;
 602         END_TIMING();
 603 }
 604
 605 #define TEXT_INSERT(str) \
 606         gtk_text_buffer_insert_with_tags_by_name \
 607                                 (buffer, &iter, str, -1,\
 608                                  "header", NULL)
 609
 610 #define TEXT_INSERT_LINK(str, fname, udata) {                           \
 611         ClickableText *uri;                                                     \
 612         uri = g_new0(ClickableText, 1);                                 \
 613         uri->uri = g_strdup("");                                        \
 614         uri->start = gtk_text_iter_get_offset(&iter);                   \
 615         gtk_text_buffer_insert_with_tags_by_name                        \
 616                                 (buffer, &iter, str, -1,                \
 617                                  "link", "header_title", "header",      \
 618                                  NULL);                                 \
 619         uri->end = gtk_text_iter_get_offset(&iter);                     \
 620         uri->filename = fname?g_strdup(fname):NULL;                     \
 621         uri->data = udata;                                              \
 622         textview->uri_list =                                            \
 623                 g_slist_prepend(textview->uri_list, uri);               \
 624 }
 625
 626 static void textview_add_part(TextView *textview, MimeInfo *mimeinfo)
 627 {
 628         GtkTextView *text;
 629         GtkTextBuffer *buffer;
 630         GtkTextIter iter, start_iter;
 631         gchar buf[BUFFSIZE];
 632         GPtrArray *headers = NULL;
 633         const gchar *name;
 634         gchar *content_type;
 635         gint charcount;
 636         START_TIMING("");
 637
 638         g_return_if_fail(mimeinfo != NULL);
 639         text = GTK_TEXT_VIEW(textview->text);
 640         buffer = gtk_text_view_get_buffer(text);
 641         charcount = gtk_text_buffer_get_char_count(buffer);
 642         gtk_text_buffer_get_end_iter(buffer, &iter);
 643
 644         if (textview->stop_loading) {
 645                 return;
 646         }
 647         if (mimeinfo->type == MIMETYPE_MULTIPART) {
 648                 END_TIMING();
 649                 return;
 650         }
 651
 652         if ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822")) {
 653                 FILE *fp;
 654
 655                 fp = g_fopen(mimeinfo->data.filename, "rb");
 656                 fseek(fp, mimeinfo->offset, SEEK_SET);
 657                 headers = textview_scan_header(textview, fp);
 658                 if (headers) {
 659                         if (charcount > 0)
 660                                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 661                         textview_show_header(textview, headers);
 662                         procheader_header_array_destroy(headers);
 663                 }
 664                 fclose(fp);
 665                 END_TIMING();
 666                 return;
 667         }
 668
 669         name = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
 670         content_type = procmime_get_content_type_str(mimeinfo->type,
 671                                                      mimeinfo->subtype);
 672         if (name == NULL)
 673                 name = procmime_mimeinfo_get_parameter(mimeinfo, "name");
 674         if (name != NULL)
 675                 g_snprintf(buf, sizeof(buf), _("[%s  %s (%d bytes)]"),
 676                            name, content_type, mimeinfo->length);
 677         else
 678                 g_snprintf(buf, sizeof(buf), _("[%s (%d bytes)]"),
 679                            content_type, mimeinfo->length);
 680
 681         g_free(content_type);
 682
 683         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
 684         || (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
 685             mimeinfo->type != MIMETYPE_TEXT)) {
 686                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 687                 TEXT_INSERT_LINK(buf, "sc://select_attachment", mimeinfo);
 688                 gtk_text_buffer_insert(buffer, &iter, " \n", -1);
 689                 if (mimeinfo->type == MIMETYPE_IMAGE  &&
 690                     prefs_common.inline_img ) {
 691                         GdkPixbuf *pixbuf;
 692                         GError *error = NULL;
 693                         gchar *filename;
 694                         ClickableText *uri;
 695                         gchar *uri_str;
 696                         START_TIMING("inserting image");
 697
 698                         filename = procmime_get_tmp_file_name(mimeinfo);
 699
 700                         if (procmime_get_part(filename, mimeinfo) < 0) {
 701                                 g_warning("Can't get the image file.");
 702                                 g_free(filename);
 703                                 END_TIMING();
 704                                 return;
 705                         }
 706
 707                         if (!prefs_common.resize_img) {
 708                                 pixbuf = gdk_pixbuf_new_from_file(filename, &error);
 709                         } else {
 710                                 gint w, h;
 711                                 gdk_pixbuf_get_file_info(filename, &w, &h);
 712                                 if (w > textview->scrolledwin->allocation.width - 100)
 713                                         pixbuf = gdk_pixbuf_new_from_file_at_scale(filename,
 714                                                 textview->scrolledwin->allocation.width - 100,
 715                                                 -1, TRUE, &error);
 716                                 else
 717                                         pixbuf = gdk_pixbuf_new_from_file(filename, &error);
 718                         }
 719                         if (error != NULL) {
 720                                 g_warning("%s\n", error->message);
 721                                 g_error_free(error);
 722                         }
 723                         if (!pixbuf) {
 724                                 g_warning("Can't load the image.");
 725                                 g_free(filename);
 726                                 END_TIMING();
 727                                 return;
 728                         }
 729
 730                         uri_str = g_filename_to_uri(filename, NULL, NULL);
 731                         if (uri_str) {
 732                                 uri = g_new0(ClickableText, 1);
 733                                 uri->uri = uri_str;
 734                                 uri->start = gtk_text_iter_get_offset(&iter);
 735
 736                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 737
 738                                 uri->end = uri->start + 1;
 739                                 uri->filename = procmime_get_part_file_name(mimeinfo);
 740                                 textview->uri_list =
 741                                         g_slist_prepend(textview->uri_list, uri);
 742
 743                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 744                                 gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, uri->start);
 745                                 gtk_text_buffer_apply_tag_by_name(buffer, "link",
 746                                                 &start_iter, &iter);
 747                         } else {
 748                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 749                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 750                         }
 751
 752                         g_object_unref(pixbuf);
 753                         g_free(filename);
 754                         END_TIMING();
 755                         GTK_EVENTS_FLUSH();
 756                 }
 757         } else if (mimeinfo->type == MIMETYPE_TEXT) {
 758                 if (prefs_common.display_header && (charcount > 0))
 759                         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 760
 761                 textview_write_body(textview, mimeinfo);
 762         }
 763         END_TIMING();
 764 }
 765
 766 static void recursive_add_parts(TextView *textview, GNode *node)
 767 {
 768         GNode * iter;
 769         MimeInfo *mimeinfo;
 770         START_TIMING("");
 771
 772         mimeinfo = (MimeInfo *) node->data;
 773
 774         textview_add_part(textview, mimeinfo);
 775
 776         if ((mimeinfo->type != MIMETYPE_MULTIPART) &&
 777             (mimeinfo->type != MIMETYPE_MESSAGE)) {
 778                 END_TIMING();
 779                 return;
 780         }
 781         if (g_ascii_strcasecmp(mimeinfo->subtype, "alternative") == 0) {
 782                 GNode * prefered_body;
 783                 int prefered_score;
 784
 785                 /*
 786                   text/plain : score 3
 787                   text/ *    : score 2
 788                   other      : score 1
 789                 */
 790                 prefered_body = NULL;
 791                 prefered_score = 0;
 792
 793                 for (iter = g_node_first_child(node) ; iter != NULL ;
 794                      iter = g_node_next_sibling(iter)) {
 795                         int score;
 796                         MimeInfo * submime;
 797
 798                         score = 1;
 799                         submime = (MimeInfo *) iter->data;
 800                         if (submime->type == MIMETYPE_TEXT)
 801                                 score = 2;
 802
 803                         if (submime->subtype != NULL) {
 804                                 if (g_ascii_strcasecmp(submime->subtype, "plain") == 0)
 805                                         score = 3;
 806                         }
 807
 808                         if (score > prefered_score) {
 809                                 prefered_score = score;
 810                                 prefered_body = iter;
 811                         }
 812                 }
 813
 814                 if (prefered_body != NULL) {
 815                         recursive_add_parts(textview, prefered_body);
 816                 }
 817         }
 818         else {
 819                 for (iter = g_node_first_child(node) ; iter != NULL ;
 820                      iter = g_node_next_sibling(iter)) {
 821                         recursive_add_parts(textview, iter);
 822                 }
 823         }
 824         END_TIMING();
 825 }
 826
 827 static void textview_add_parts(TextView *textview, MimeInfo *mimeinfo)
 828 {
 829         g_return_if_fail(mimeinfo != NULL);
 830
 831         recursive_add_parts(textview, mimeinfo->node);
 832 }
 833
 834 void textview_show_error(TextView *textview)
 835 {
 836         GtkTextView *text;
 837         GtkTextBuffer *buffer;
 838         GtkTextIter iter;
 839
 840         textview_set_font(textview, NULL);
 841         textview_clear(textview);
 842
 843         text = GTK_TEXT_VIEW(textview->text);
 844         buffer = gtk_text_view_get_buffer(text);
 845         gtk_text_buffer_get_start_iter(buffer, &iter);
 846
 847         TEXT_INSERT(_("\n"
 848                       "  This message can't be displayed.\n"
 849                       "  This is probably due to a network error.\n"
 850                       "\n"
 851                       "  Use "));
 852         TEXT_INSERT_LINK(_("'View Log'"), "sc://view_log", NULL);
 853         TEXT_INSERT(_(" in the Tools menu for more information."));
 854         textview_show_icon(textview, GTK_STOCK_DIALOG_ERROR);
 855
 856 }
 857
 858 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
 859 {
 860         GtkTextView *text;
 861         GtkTextBuffer *buffer;
 862         GtkTextIter iter;
 863
 864         if (!partinfo) return;
 865
 866         textview_set_font(textview, NULL);
 867         textview_clear(textview);
 868
 869         text = GTK_TEXT_VIEW(textview->text);
 870         buffer = gtk_text_view_get_buffer(text);
 871         gtk_text_buffer_get_start_iter(buffer, &iter);
 872
 873         TEXT_INSERT("\n");
 874         TEXT_INSERT(_("  The following can be performed on this part by\n"));
 875         TEXT_INSERT(_("  right-clicking the icon or list item:\n"));
 876
 877         TEXT_INSERT(_("     - To save, select "));
 878         TEXT_INSERT_LINK(_("'Save as...'"), "sc://save_as", NULL);
 879         TEXT_INSERT(_(" (Shortcut key: 'y')\n"));
 880         TEXT_INSERT(_("     - To display as text, select "));
 881         TEXT_INSERT_LINK(_("'Display as text'"), "sc://display_as_text", NULL);
 882         TEXT_INSERT(_(" (Shortcut key: 't')\n"));
 883         TEXT_INSERT(_("     - To open with an external program, select "));
 884         TEXT_INSERT_LINK(_("'Open'"), "sc://open", NULL);
 885         TEXT_INSERT(_(" (Shortcut key: 'l')\n"));
 886         TEXT_INSERT(_("       (alternately double-click, or click the middle "));
 887         TEXT_INSERT(_("mouse button)\n"));
 888         TEXT_INSERT(_("     - Or use "));
 889         TEXT_INSERT_LINK(_("'Open with...'"), "sc://open_with", NULL);
 890         TEXT_INSERT(_(" (Shortcut key: 'o')\n"));
 891         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
 892 }
 893
 894 #undef TEXT_INSERT
 895 #undef TEXT_INSERT_LINK
 896
 897 static void textview_write_body(TextView *textview, MimeInfo *mimeinfo)
 898 {
 899         FILE *tmpfp;
 900         gchar buf[BUFFSIZE];
 901         CodeConverter *conv;
 902         const gchar *charset, *p, *cmd;
 903         GSList *cur;
 904         int lines = 0;
 905
 906         if (textview->messageview->forced_charset)
 907                 charset = textview->messageview->forced_charset;
 908         else
 909                 charset = procmime_mimeinfo_get_parameter(mimeinfo, "charset");
 910
 911         textview_set_font(textview, charset);
 912
 913         conv = conv_code_converter_new(charset);
 914
 915         procmime_force_encoding(textview->messageview->forced_encoding);
 916
 917         textview->is_in_signature = FALSE;
 918
 919         procmime_decode_content(mimeinfo);
 920
 921         if (!g_ascii_strcasecmp(mimeinfo->subtype, "html") &&
 922             prefs_common.render_html) {
 923                 gchar *filename;
 924
 925                 filename = procmime_get_tmp_file_name(mimeinfo);
 926                 if (procmime_get_part(filename, mimeinfo) == 0) {
 927                         tmpfp = g_fopen(filename, "rb");
 928                         textview_show_html(textview, tmpfp, conv);
 929                         fclose(tmpfp);
 930                         g_unlink(filename);
 931                 }
 932                 g_free(filename);
 933         } else if (!g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
 934                 gchar *filename;
 935
 936                 filename = procmime_get_tmp_file_name(mimeinfo);
 937                 if (procmime_get_part(filename, mimeinfo) == 0) {
 938                         tmpfp = g_fopen(filename, "rb");
 939                         textview_show_ertf(textview, tmpfp, conv);
 940                         fclose(tmpfp);
 941                         g_unlink(filename);
 942                 }
 943                 g_free(filename);
 944 #ifndef G_OS_WIN32
 945         } else if ( g_ascii_strcasecmp(mimeinfo->subtype, "plain") &&
 946                    (cmd = prefs_common.mime_textviewer) && *cmd &&
 947                    (p = strchr(cmd, '%')) && *(p + 1) == 's') {
 948                 int pid, pfd[2];
 949                 const gchar *fname;
 950
 951                 fname  = procmime_get_tmp_file_name(mimeinfo);
 952                 if (procmime_get_part(fname, mimeinfo)) goto textview_default;
 953
 954                 g_snprintf(buf, sizeof(buf), cmd, fname);
 955                 debug_print("Viewing text content of type: %s (length: %d) "
 956                         "using %s\n", mimeinfo->subtype, mimeinfo->length, buf);
 957
 958                 if (pipe(pfd) < 0) {
 959                         g_snprintf(buf, sizeof(buf),
 960                                 "pipe failed for textview\n\n%s\n", strerror(errno));
 961                         textview_write_line(textview, buf, conv);
 962                         goto textview_default;
 963                 }
 964                 pid = fork();
 965                 if (pid < 0) {
 966                         g_snprintf(buf, sizeof(buf),
 967                                 "fork failed for textview\n\n%s\n", strerror(errno));
 968                         textview_write_line(textview, buf, conv);
 969                         close(pfd[0]);
 970                         close(pfd[1]);
 971                         goto textview_default;
 972                 }
 973                 if (pid == 0) { /* child */
 974                         int rc;
 975                         gchar **argv;
 976                         argv = strsplit_with_quote(buf, " ", 0);
 977                         close(1);
 978                         close(pfd[0]);
 979                         dup(pfd[1]);
 980                         rc = execvp(argv[0], argv);
 981                         close(pfd[1]);
 982                         printf (_("The command to view attachment "
 983                                 "as text failed:\n"
 984                                 "    %s\n"
 985                                 "Exit code %d\n"), buf, rc);
 986                         exit(255);
 987                 }
 988                 close(pfd[1]);
 989                 tmpfp = fdopen(pfd[0], "rb");
 990                 while (fgets(buf, sizeof(buf), tmpfp)) {
 991                         textview_write_line(textview, buf, conv);
 992
 993                         lines++;
 994                         if (lines % 500 == 0)
 995                                 GTK_EVENTS_FLUSH();
 996                         if (textview->stop_loading) {
 997                                 fclose(tmpfp);
 998                                 waitpid(pid, pfd, 0);
 999                                 unlink(fname);
1000                                 return;
1001                         }
1002                 }
1003
1004                 fclose(tmpfp);
1005                 waitpid(pid, pfd, 0);
1006                 unlink(fname);
1007 #endif
1008         } else {
1009 textview_default:
1010                 lines = 0;
1011                 tmpfp = g_fopen(mimeinfo->data.filename, "rb");
1012                 fseek(tmpfp, mimeinfo->offset, SEEK_SET);
1013                 debug_print("Viewing text content of type: %s (length: %d)\n", mimeinfo->subtype, mimeinfo->length);
1014                 while ((ftell(tmpfp) < mimeinfo->offset + mimeinfo->length) &&
1015                        (fgets(buf, sizeof(buf), tmpfp) != NULL)) {
1016                         textview_write_line(textview, buf, conv);
1017                         lines++;
1018                         if (lines % 500 == 0)
1019                                 GTK_EVENTS_FLUSH();
1020                         if (textview->stop_loading) {
1021                                 fclose(tmpfp);
1022                                 return;
1023                         }
1024                 }
1025                 fclose(tmpfp);
1026         }
1027
1028         conv_code_converter_destroy(conv);
1029         procmime_force_encoding(0);
1030
1031         lines = 0;
1032         textview->uri_list = g_slist_reverse(textview->uri_list);
1033         for (cur = textview->uri_list; cur; cur = cur->next) {
1034                 ClickableText *uri = (ClickableText *)cur->data;
1035                 if (!uri->is_quote)
1036                         continue;
1037                 if (!prefs_common.hide_quotes ||
1038                     uri->quote_level+1 < prefs_common.hide_quotes) {
1039                         textview_toggle_quote(textview, cur, uri, TRUE);
1040                         lines++;
1041                         if (lines % 500 == 0)
1042                                 GTK_EVENTS_FLUSH();
1043                         if (textview->stop_loading) {
1044                                 return;
1045                         }
1046                 }
1047         }
1048 }
1049
1050 static void textview_show_html(TextView *textview, FILE *fp,
1051                                CodeConverter *conv)
1052 {
1053         SC_HTMLParser *parser;
1054         gchar *str;
1055         gint lines = 0;
1056
1057         parser = sc_html_parser_new(fp, conv);
1058         g_return_if_fail(parser != NULL);
1059
1060         while ((str = sc_html_parse(parser)) != NULL) {
1061                 if (parser->state == SC_HTML_HREF) {
1062                         /* first time : get and copy the URL */
1063                         if (parser->href == NULL) {
1064                                 /* ALF - the sylpheed html parser returns an empty string,
1065                                  * if still inside an <a>, but already parsed past HREF */
1066                                 str = strtok(str, " ");
1067                                 if (str) {
1068                                         while (str && *str && g_ascii_isspace(*str))
1069                                                 str++;
1070                                         parser->href = g_strdup(str);
1071                                         /* the URL may (or not) be followed by the
1072                                          * referenced text */
1073                                         str = strtok(NULL, "");
1074                                 }
1075                         }
1076                         if (str != NULL)
1077                                 textview_write_link(textview, str, parser->href, NULL);
1078                 } else
1079                         textview_write_line(textview, str, NULL);
1080                 lines++;
1081                 if (lines % 500 == 0)
1082                         GTK_EVENTS_FLUSH();
1083                 if (textview->stop_loading) {
1084                         return;
1085                 }
1086         }
1087         textview_write_line(textview, "\n", NULL);
1088         sc_html_parser_destroy(parser);
1089 }
1090
1091 static void textview_show_ertf(TextView *textview, FILE *fp,
1092                                CodeConverter *conv)
1093 {
1094         ERTFParser *parser;
1095         gchar *str;
1096         gint lines = 0;
1097
1098         parser = ertf_parser_new(fp, conv);
1099         g_return_if_fail(parser != NULL);
1100
1101         while ((str = ertf_parse(parser)) != NULL) {
1102                 textview_write_line(textview, str, NULL);
1103                 lines++;
1104                 if (lines % 500 == 0)
1105                         GTK_EVENTS_FLUSH();
1106                 if (textview->stop_loading) {
1107                         return;
1108                 }
1109         }
1110
1111         ertf_parser_destroy(parser);
1112 }
1113
1114 #define ADD_TXT_POS(bp_, ep_, pti_) \
1115         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1116                 last = last->next; \
1117                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1118                 last->next = NULL; \
1119         } else { \
1120                 g_warning("alloc error scanning URIs\n"); \
1121                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, \
1122                                                          linebuf, -1, \
1123                                                          fg_tag, NULL); \
1124                 return; \
1125         }
1126
1127 #define ADD_TXT_POS_LATER(bp_, ep_, pti_) \
1128         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1129                 last = last->next; \
1130                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1131                 last->next = NULL; \
1132         } else { \
1133                 g_warning("alloc error scanning URIs\n"); \
1134         }
1135
1136 /* textview_make_clickable_parts() - colorizes clickable parts */
1137 static void textview_make_clickable_parts(TextView *textview,
1138                                           const gchar *fg_tag,
1139                                           const gchar *uri_tag,
1140                                           const gchar *linebuf,
1141                                           gboolean hdr)
1142 {
1143         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1144         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1145         GtkTextIter iter;
1146         gchar *mybuf = g_strdup(linebuf);
1147
1148         /* parse table - in order of priority */
1149         struct table {
1150                 const gchar *needle; /* token */
1151
1152                 /* token search function */
1153                 gchar    *(*search)     (const gchar *haystack,
1154                                          const gchar *needle);
1155                 /* part parsing function */
1156                 gboolean  (*parse)      (const gchar *start,
1157                                          const gchar *scanpos,
1158                                          const gchar **bp_,
1159                                          const gchar **ep_,
1160                                          gboolean hdr);
1161                 /* part to URI function */
1162                 gchar    *(*build_uri)  (const gchar *bp,
1163                                          const gchar *ep);
1164         };
1165
1166         static struct table parser[] = {
1167                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1168                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1169                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1170                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1171                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1172                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1173                 {"@",        strcasestr, get_email_part, make_email_string}
1174         };
1175         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1176
1177         gint  n;
1178         const gchar *walk, *bp, *ep;
1179
1180         struct txtpos {
1181                 const gchar     *bp, *ep;       /* text position */
1182                 gint             pti;           /* index in parse table */
1183                 struct txtpos   *next;          /* next */
1184         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1185
1186         if (!g_utf8_validate(linebuf, -1, NULL)) {
1187                 g_free(mybuf);
1188                 mybuf = g_malloc(strlen(linebuf)*2 +1);
1189                 conv_localetodisp(mybuf, strlen(linebuf)*2 +1, linebuf);
1190         }
1191
1192         gtk_text_buffer_get_end_iter(buffer, &iter);
1193
1194         /* parse for clickable parts, and build a list of begin and end positions  */
1195         for (walk = mybuf, n = 0;;) {
1196                 gint last_index = PARSE_ELEMS;
1197                 gchar *scanpos = NULL;
1198
1199                 /* FIXME: this looks phony. scanning for anything in the parse table */
1200                 for (n = 0; n < PARSE_ELEMS; n++) {
1201                         gchar *tmp;
1202
1203                         tmp = parser[n].search(walk, parser[n].needle);
1204                         if (tmp) {
1205                                 if (scanpos == NULL || tmp < scanpos) {
1206                                         scanpos = tmp;
1207                                         last_index = n;
1208                                 }
1209                         }
1210                 }
1211
1212                 if (scanpos) {
1213                         /* check if URI can be parsed */
1214                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, hdr)
1215                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1216                                         ADD_TXT_POS(bp, ep, last_index);
1217                                         walk = ep;
1218                         } else
1219                                 walk = scanpos +
1220                                         strlen(parser[last_index].needle);
1221                 } else
1222                         break;
1223         }
1224
1225         /* colorize this line */
1226         if (head.next) {
1227                 const gchar *normal_text = mybuf;
1228
1229                 /* insert URIs */
1230                 for (last = head.next; last != NULL;
1231                      normal_text = last->ep, last = last->next) {
1232                         ClickableText *uri;
1233                         uri = g_new0(ClickableText, 1);
1234                         if (last->bp - normal_text > 0)
1235                                 gtk_text_buffer_insert_with_tags_by_name
1236                                         (buffer, &iter,
1237                                          normal_text,
1238                                          last->bp - normal_text,
1239                                          fg_tag, NULL);
1240                         uri->uri = parser[last->pti].build_uri(last->bp,
1241                                                                last->ep);
1242                         uri->start = gtk_text_iter_get_offset(&iter);
1243                         gtk_text_buffer_insert_with_tags_by_name
1244                                 (buffer, &iter, last->bp, last->ep - last->bp,
1245                                  uri_tag, fg_tag, NULL);
1246                         uri->end = gtk_text_iter_get_offset(&iter);
1247                         uri->filename = NULL;
1248                         textview->uri_list =
1249                                 g_slist_prepend(textview->uri_list, uri);
1250                 }
1251
1252                 if (*normal_text)
1253                         gtk_text_buffer_insert_with_tags_by_name
1254                                 (buffer, &iter, normal_text, -1, fg_tag, NULL);
1255         } else {
1256                 gtk_text_buffer_insert_with_tags_by_name
1257                         (buffer, &iter, mybuf, -1, fg_tag, NULL);
1258         }
1259         g_free(mybuf);
1260 }
1261
1262 /* textview_make_clickable_parts() - colorizes clickable parts */
1263 static void textview_make_clickable_parts_later(TextView *textview,
1264                                           gint start, gint end)
1265 {
1266         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1267         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1268         GtkTextIter start_iter, end_iter;
1269         gchar *mybuf;
1270         gint offset = 0;
1271         /* parse table - in order of priority */
1272         struct table {
1273                 const gchar *needle; /* token */
1274
1275                 /* token search function */
1276                 gchar    *(*search)     (const gchar *haystack,
1277                                          const gchar *needle);
1278                 /* part parsing function */
1279                 gboolean  (*parse)      (const gchar *start,
1280                                          const gchar *scanpos,
1281                                          const gchar **bp_,
1282                                          const gchar **ep_,
1283                                          gboolean hdr);
1284                 /* part to URI function */
1285                 gchar    *(*build_uri)  (const gchar *bp,
1286                                          const gchar *ep);
1287         };
1288
1289         static struct table parser[] = {
1290                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1291                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1292                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1293                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1294                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1295                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1296                 {"@",        strcasestr, get_email_part, make_email_string}
1297         };
1298         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1299
1300         gint  n;
1301         const gchar *walk, *bp, *ep;
1302
1303         struct txtpos {
1304                 const gchar     *bp, *ep;       /* text position */
1305                 gint             pti;           /* index in parse table */
1306                 struct txtpos   *next;          /* next */
1307         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1308
1309         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start);
1310         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end);
1311         mybuf = gtk_text_buffer_get_text(buffer, &start_iter, &end_iter, FALSE);
1312         offset = gtk_text_iter_get_offset(&start_iter);
1313
1314         /* parse for clickable parts, and build a list of begin and end positions  */
1315         for (walk = mybuf, n = 0;;) {
1316                 gint last_index = PARSE_ELEMS;
1317                 gchar *scanpos = NULL;
1318
1319                 /* FIXME: this looks phony. scanning for anything in the parse table */
1320                 for (n = 0; n < PARSE_ELEMS; n++) {
1321                         gchar *tmp;
1322
1323                         tmp = parser[n].search(walk, parser[n].needle);
1324                         if (tmp) {
1325                                 if (scanpos == NULL || tmp < scanpos) {
1326                                         scanpos = tmp;
1327                                         last_index = n;
1328                                 }
1329                         }
1330                 }
1331
1332                 if (scanpos) {
1333                         /* check if URI can be parsed */
1334                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, FALSE)
1335                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1336                                         ADD_TXT_POS_LATER(bp, ep, last_index);
1337                                         walk = ep;
1338                         } else
1339                                 walk = scanpos +
1340                                         strlen(parser[last_index].needle);
1341                 } else
1342                         break;
1343         }
1344
1345         /* colorize this line */
1346         if (head.next) {
1347                 /* insert URIs */
1348                 for (last = head.next; last != NULL; last = last->next) {
1349                         ClickableText *uri;
1350                         gint start_offset, end_offset;
1351                         gchar *tmp_str;
1352                         gchar old_char;
1353                         uri = g_new0(ClickableText, 1);
1354                         uri->uri = parser[last->pti].build_uri(last->bp,
1355                                                                last->ep);
1356
1357                         tmp_str = mybuf;
1358                         old_char = tmp_str[last->ep - mybuf];
1359                         tmp_str[last->ep - mybuf] = '\0';
1360                         end_offset = g_utf8_strlen(tmp_str, -1);
1361                         tmp_str[last->ep - mybuf] = old_char;
1362
1363                         old_char = tmp_str[last->bp - mybuf];
1364                         tmp_str[last->bp - mybuf] = '\0';
1365                         start_offset = g_utf8_strlen(tmp_str, -1);
1366                         tmp_str[last->bp - mybuf] = old_char;
1367
1368                         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start_offset + offset);
1369                         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end_offset + offset);
1370
1371                         uri->start = gtk_text_iter_get_offset(&start_iter);
1372
1373                         gtk_text_buffer_apply_tag_by_name(buffer, "link", &start_iter, &end_iter);
1374
1375                         uri->end = gtk_text_iter_get_offset(&end_iter);
1376                         uri->filename = NULL;
1377                         textview->uri_list =
1378                                 g_slist_prepend(textview->uri_list, uri);
1379                 }
1380         }
1381
1382         g_free(mybuf);
1383 }
1384
1385 #undef ADD_TXT_POS
1386
1387 static void textview_write_line(TextView *textview, const gchar *str,
1388                                 CodeConverter *conv)
1389 {
1390         GtkTextView *text;
1391         GtkTextBuffer *buffer;
1392         GtkTextIter iter;
1393         gchar buf[BUFFSIZE];
1394         gchar *fg_color;
1395         gint quotelevel = -1, real_quotelevel = -1;
1396         gchar quote_tag_str[10];
1397
1398         text = GTK_TEXT_VIEW(textview->text);
1399         buffer = gtk_text_view_get_buffer(text);
1400         gtk_text_buffer_get_end_iter(buffer, &iter);
1401
1402         if (!conv)
1403                 strncpy2(buf, str, sizeof(buf));
1404         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1405                 conv_localetodisp(buf, sizeof(buf), str);
1406
1407         strcrchomp(buf);
1408         fg_color = NULL;
1409
1410         /* change color of quotation
1411            >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
1412            Up to 3 levels of quotations are detected, and each
1413            level is colored using a different color. */
1414         if (prefs_common.enable_color
1415             && line_has_quote_char(buf, prefs_common.quote_chars)) {
1416                 real_quotelevel = get_quote_level(buf, prefs_common.quote_chars);
1417                 quotelevel = real_quotelevel;
1418                 /* set up the correct foreground color */
1419                 if (quotelevel > 2) {
1420                         /* recycle colors */
1421                         if (prefs_common.recycle_quote_colors)
1422                                 quotelevel %= 3;
1423                         else
1424                                 quotelevel = 2;
1425                 }
1426         }
1427
1428         if (quotelevel == -1)
1429                 fg_color = NULL;
1430         else {
1431                 g_snprintf(quote_tag_str, sizeof(quote_tag_str),
1432                            "quote%d", quotelevel);
1433                 fg_color = quote_tag_str;
1434         }
1435
1436         if (prefs_common.enable_color && (strcmp(buf,"-- \n") == 0 || textview->is_in_signature)) {
1437                 fg_color = "signature";
1438                 textview->is_in_signature = TRUE;
1439         }
1440
1441         if (real_quotelevel > -1) {
1442                 if ( previousquotelevel != real_quotelevel ) {
1443                         ClickableText *uri;
1444                         uri = g_new0(ClickableText, 1);
1445                         uri->uri = g_strdup("");
1446                         uri->data = g_strdup(buf);
1447                         uri->start = gtk_text_iter_get_offset(&iter);
1448                         uri->is_quote = TRUE;
1449                         uri->quote_level = real_quotelevel;
1450                         uri->fg_color = g_strdup(fg_color);
1451
1452                         gtk_text_buffer_insert_with_tags_by_name
1453                                         (buffer, &iter, " [...]", -1,
1454                                          "qlink", fg_color, NULL);
1455                         uri->end = gtk_text_iter_get_offset(&iter);
1456                         gtk_text_buffer_insert(buffer, &iter, "  \n", -1);
1457
1458                         uri->filename = NULL;
1459                         textview->uri_list =
1460                                 g_slist_prepend(textview->uri_list, uri);
1461
1462                         previousquotelevel = real_quotelevel;
1463                 } else {
1464                         GSList *last = textview->uri_list;
1465                         ClickableText *lasturi = (ClickableText *)last->data;
1466                         gint e_len = strlen(lasturi->data);
1467                         gint n_len = strlen(buf);
1468                         lasturi->data = g_realloc((gchar *)lasturi->data, e_len + n_len + 1);
1469                         strcpy((gchar *)lasturi->data + e_len, buf);
1470                         *((gchar *)lasturi->data + e_len + n_len) = '\0';
1471                 }
1472         } else {
1473                 textview_make_clickable_parts(textview, fg_color, "link", buf, FALSE);
1474                 previousquotelevel = -1;
1475         }
1476 }
1477
1478 void textview_write_link(TextView *textview, const gchar *str,
1479                          const gchar *uri, CodeConverter *conv)
1480 {
1481         GdkColor *link_color = NULL;
1482         GtkTextView *text;
1483         GtkTextBuffer *buffer;
1484         GtkTextIter iter;
1485         gchar buf[BUFFSIZE];
1486         gchar *bufp;
1487         ClickableText *r_uri;
1488
1489         if (!str || *str == '\0')
1490                 return;
1491         if (!uri)
1492                 return;
1493
1494         while (uri && *uri && g_ascii_isspace(*uri))
1495                 uri++;
1496
1497         text = GTK_TEXT_VIEW(textview->text);
1498         buffer = gtk_text_view_get_buffer(text);
1499         gtk_text_buffer_get_end_iter(buffer, &iter);
1500
1501         if (!conv)
1502                 strncpy2(buf, str, sizeof(buf));
1503         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1504                 conv_utf8todisp(buf, sizeof(buf), str);
1505
1506         if (g_utf8_validate(buf, -1, NULL) == FALSE)
1507                 return;
1508
1509         strcrchomp(buf);
1510
1511         gtk_text_buffer_get_end_iter(buffer, &iter);
1512         for (bufp = buf; *bufp != '\0'; bufp = g_utf8_next_char(bufp)) {
1513                 gunichar ch;
1514
1515                 ch = g_utf8_get_char(bufp);
1516                 if (!g_unichar_isspace(ch))
1517                         break;
1518         }
1519         if (bufp > buf)
1520                 gtk_text_buffer_insert(buffer, &iter, buf, bufp - buf);
1521
1522         if (prefs_common.enable_color) {
1523                 link_color = &uri_color;
1524         }
1525         r_uri = g_new0(ClickableText, 1);
1526         r_uri->uri = g_strdup(uri);
1527         r_uri->start = gtk_text_iter_get_offset(&iter);
1528         gtk_text_buffer_insert_with_tags_by_name
1529                 (buffer, &iter, bufp, -1, "link", NULL);
1530         r_uri->end = gtk_text_iter_get_offset(&iter);
1531         r_uri->filename = NULL;
1532         textview->uri_list = g_slist_prepend(textview->uri_list, r_uri);
1533 }
1534
1535 static void textview_set_cursor(GdkWindow *window, GdkCursor *cursor)
1536 {
1537         if (GDK_IS_WINDOW(window))
1538                 gdk_window_set_cursor(window, cursor);
1539 }
1540 void textview_clear(TextView *textview)
1541 {
1542         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1543         GtkTextBuffer *buffer;
1544         GdkWindow *window = gtk_text_view_get_window(text,
1545                                 GTK_TEXT_WINDOW_TEXT);
1546
1547         buffer = gtk_text_view_get_buffer(text);
1548         gtk_text_buffer_set_text(buffer, "", -1);
1549
1550         TEXTVIEW_STATUSBAR_POP(textview);
1551         textview_uri_list_remove_all(textview->uri_list);
1552         textview->uri_list = NULL;
1553         textview->uri_hover = NULL;
1554
1555         textview->body_pos = 0;
1556         if (textview->image)
1557                 gtk_widget_destroy(textview->image);
1558         textview->image = NULL;
1559
1560         if (textview->messageview->mainwin->cursor_count == 0) {
1561                 textview_set_cursor(window, text_cursor);
1562         } else {
1563                 textview_set_cursor(window, watch_cursor);
1564         }
1565 }
1566
1567 void textview_destroy(TextView *textview)
1568 {
1569         GtkTextBuffer *buffer;
1570         GtkClipboard *clipboard;
1571
1572         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1573         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1574         gtk_text_buffer_remove_selection_clipboard(buffer, clipboard);
1575
1576         textview_uri_list_remove_all(textview->uri_list);
1577         textview->uri_list = NULL;
1578
1579         g_free(textview);
1580 }
1581
1582 void textview_set_all_headers(TextView *textview, gboolean all_headers)
1583 {
1584         textview->show_all_headers = all_headers;
1585 }
1586
1587 #define CHANGE_TAG_FONT(tagname, font) { \
1588         tag = gtk_text_tag_table_lookup(tags, tagname); \
1589         if (tag) \
1590                 g_object_set(G_OBJECT(tag), "font-desc", font, NULL); \
1591 }
1592
1593 void textview_set_font(TextView *textview, const gchar *codeset)
1594 {
1595         GtkTextTag *tag;
1596         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1597         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
1598
1599         if (NORMAL_FONT) {
1600                 PangoFontDescription *font_desc, *bold_font_desc;
1601                 font_desc = pango_font_description_from_string
1602                                                 (NORMAL_FONT);
1603                 bold_font_desc = pango_font_description_from_string
1604                                                 (NORMAL_FONT);
1605                 if (font_desc) {
1606                         gtk_widget_modify_font(textview->text, font_desc);
1607                         CHANGE_TAG_FONT("header", font_desc);
1608                         pango_font_description_free(font_desc);
1609                 }
1610                 if (bold_font_desc) {
1611                         pango_font_description_set_weight
1612                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
1613                         CHANGE_TAG_FONT("header_title", bold_font_desc);
1614                         pango_font_description_free(bold_font_desc);
1615                 }
1616         }
1617
1618         if (prefs_common.textfont) {
1619                 PangoFontDescription *font_desc;
1620
1621                 font_desc = pango_font_description_from_string
1622                                                 (prefs_common.textfont);
1623                 if (font_desc) {
1624                         gtk_widget_modify_font(textview->text, font_desc);
1625                         pango_font_description_free(font_desc);
1626                 }
1627         }
1628         gtk_text_view_set_pixels_above_lines(GTK_TEXT_VIEW(textview->text),
1629                                              prefs_common.line_space / 2);
1630         gtk_text_view_set_pixels_below_lines(GTK_TEXT_VIEW(textview->text),
1631                                              prefs_common.line_space / 2);
1632 }
1633
1634 void textview_set_text(TextView *textview, const gchar *text)
1635 {
1636         GtkTextView *view;
1637         GtkTextBuffer *buffer;
1638
1639         g_return_if_fail(textview != NULL);
1640         g_return_if_fail(text != NULL);
1641
1642         textview_clear(textview);
1643
1644         view = GTK_TEXT_VIEW(textview->text);
1645         buffer = gtk_text_view_get_buffer(view);
1646         gtk_text_buffer_set_text(buffer, text, strlen(text));
1647 }
1648
1649 enum
1650 {
1651         H_DATE          = 0,
1652         H_FROM          = 1,
1653         H_TO            = 2,
1654         H_NEWSGROUPS    = 3,
1655         H_SUBJECT       = 4,
1656         H_CC            = 5,
1657         H_REPLY_TO      = 6,
1658         H_FOLLOWUP_TO   = 7,
1659         H_X_MAILER      = 8,
1660         H_X_NEWSREADER  = 9,
1661         H_USER_AGENT    = 10,
1662         H_ORGANIZATION  = 11,
1663 };
1664
1665 void textview_set_position(TextView *textview, gint pos)
1666 {
1667         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1668
1669         gtkut_text_view_set_position(text, pos);
1670 }
1671
1672 static gboolean header_is_internal(Header *header)
1673 {
1674         const gchar *internal_hdrs[] =
1675                 {"AF:", "NF:", "PS:", "SRH:", "SFN:", "DSR:", "MID:",
1676                  "CFG:", "PT:", "S:", "RQ:", "SSV:", "NSV:", "SSH:",
1677                  "R:", "MAID:", "SCF:", "RMID:", "FMID:", "NAID:",
1678                  "X-Sylpheed-Account-Id:", "X-Sylpheed-Sign:", "X-Sylpheed-Encrypt:",
1679                  "X-Sylpheed-Privacy-System:", "X-Sylpheed-End-Special-Headers:",
1680                  NULL};
1681         int i;
1682
1683         for (i = 0; internal_hdrs[i]; i++) {
1684                 if (!strcmp(header->name, internal_hdrs[i]))
1685                         return TRUE;
1686         }
1687         return FALSE;
1688 }
1689
1690 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1691 {
1692         gchar buf[BUFFSIZE];
1693         GPtrArray *headers, *sorted_headers;
1694         GSList *disphdr_list;
1695         Header *header;
1696         gint i;
1697
1698         g_return_val_if_fail(fp != NULL, NULL);
1699
1700         if (textview->show_all_headers) {
1701                 headers = procheader_get_header_array_asis(fp);
1702                 sorted_headers = g_ptr_array_new();
1703                 for (i = 0; i < headers->len; i++) {
1704                         header = g_ptr_array_index(headers, i);
1705                         if (!header_is_internal(header))
1706                                 g_ptr_array_add(sorted_headers, header);
1707                         else
1708                                 procheader_header_free(header);
1709                 }
1710                 g_ptr_array_free(headers, TRUE);
1711                 return sorted_headers;
1712         }
1713
1714         if (!prefs_common.display_header) {
1715                 while (fgets(buf, sizeof(buf), fp) != NULL)
1716                         if (buf[0] == '\r' || buf[0] == '\n') break;
1717                 return NULL;
1718         }
1719
1720         headers = procheader_get_header_array_asis(fp);
1721
1722         sorted_headers = g_ptr_array_new();
1723
1724         for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1725              disphdr_list = disphdr_list->next) {
1726                 DisplayHeaderProp *dp =
1727                         (DisplayHeaderProp *)disphdr_list->data;
1728
1729                 for (i = 0; i < headers->len; i++) {
1730                         header = g_ptr_array_index(headers, i);
1731
1732                         if (procheader_headername_equal(header->name,
1733                                                         dp->name)) {
1734                                 if (dp->hidden)
1735                                         procheader_header_free(header);
1736                                 else
1737                                         g_ptr_array_add(sorted_headers, header);
1738
1739                                 g_ptr_array_remove_index(headers, i);
1740                                 i--;
1741                         }
1742                 }
1743         }
1744
1745         if (prefs_common.show_other_header) {
1746                 for (i = 0; i < headers->len; i++) {
1747                         header = g_ptr_array_index(headers, i);
1748                         if (!header_is_internal(header)) {
1749                                 g_ptr_array_add(sorted_headers, header);
1750                         } else {
1751                                 procheader_header_free(header);
1752                         }
1753                 }
1754                 g_ptr_array_free(headers, TRUE);
1755         } else
1756                 procheader_header_array_destroy(headers);
1757
1758
1759         return sorted_headers;
1760 }
1761
1762 static void textview_show_face(TextView *textview)
1763 {
1764         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1765         MsgInfo *msginfo = textview->messageview->msginfo;
1766         int x = 0;
1767
1768         if (prefs_common.display_header_pane
1769         ||  !prefs_common.display_xface)
1770                 goto bail;
1771
1772         if (!msginfo->extradata || !msginfo->extradata->face) {
1773                 goto bail;
1774         }
1775
1776         if (textview->image)
1777                 gtk_widget_destroy(textview->image);
1778
1779         textview->image = face_get_from_header(msginfo->extradata->face);
1780         g_return_if_fail(textview->image != NULL);
1781
1782         gtk_widget_show(textview->image);
1783
1784         x = textview->text->allocation.width - WIDTH -5;
1785
1786         gtk_text_view_add_child_in_window(text, textview->image,
1787                 GTK_TEXT_WINDOW_TEXT, x, 5);
1788
1789         gtk_widget_show_all(textview->text);
1790
1791
1792         return;
1793 bail:
1794         if (textview->image)
1795                 gtk_widget_destroy(textview->image);
1796         textview->image = NULL;
1797 }
1798
1799 static void textview_show_icon(TextView *textview, const gchar *stock_id)
1800 {
1801         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1802         int x = 0;
1803
1804         if (textview->image)
1805                 gtk_widget_destroy(textview->image);
1806
1807         textview->image = gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_DIALOG);
1808         g_return_if_fail(textview->image != NULL);
1809
1810         gtk_widget_show(textview->image);
1811
1812         x = textview->text->allocation.width - WIDTH -5;
1813
1814         gtk_text_view_add_child_in_window(text, textview->image,
1815                 GTK_TEXT_WINDOW_TEXT, x, 5);
1816
1817         gtk_widget_show_all(textview->text);
1818
1819
1820         return;
1821 }
1822
1823 #if HAVE_LIBCOMPFACE
1824 static void textview_show_xface(TextView *textview)
1825 {
1826         MsgInfo *msginfo = textview->messageview->msginfo;
1827         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1828         int x = 0;
1829
1830         if (prefs_common.display_header_pane
1831         ||  !prefs_common.display_xface)
1832                 goto bail;
1833
1834         if (!msginfo || !msginfo->extradata)
1835                 goto bail;
1836
1837         if (msginfo->extradata->face)
1838                 return;
1839
1840         if (!msginfo->extradata->xface || strlen(msginfo->extradata->xface) < 5) {
1841                 goto bail;
1842         }
1843
1844         if (textview->image)
1845                 gtk_widget_destroy(textview->image);
1846
1847         textview->image = xface_get_from_header(msginfo->extradata->xface,
1848                                 &textview->text->style->white,
1849                                 textview->text->window);
1850         g_return_if_fail(textview->image != NULL);
1851
1852         gtk_widget_show(textview->image);
1853
1854         x = textview->text->allocation.width - WIDTH -5;
1855
1856         gtk_text_view_add_child_in_window(text, textview->image,
1857                 GTK_TEXT_WINDOW_TEXT, x, 5);
1858
1859         gtk_widget_show_all(textview->text);
1860
1861         return;
1862 bail:
1863         if (textview->image)
1864                 gtk_widget_destroy(textview->image);
1865         textview->image = NULL;
1866
1867 }
1868 #endif
1869
1870 static void textview_show_header(TextView *textview, GPtrArray *headers)
1871 {
1872         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1873         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1874         GtkTextIter iter;
1875         Header *header;
1876         gint i;
1877
1878         g_return_if_fail(headers != NULL);
1879
1880         for (i = 0; i < headers->len; i++) {
1881                 header = g_ptr_array_index(headers, i);
1882                 g_return_if_fail(header->name != NULL);
1883
1884                 gtk_text_buffer_get_end_iter (buffer, &iter);
1885                 if(prefs_common.trans_hdr == TRUE) {
1886                         gchar *hdr = g_strndup(header->name, strlen(header->name) - 1);
1887                         gchar *trans_hdr = gettext(hdr);
1888                         gtk_text_buffer_insert_with_tags_by_name(buffer,
1889                                 &iter, trans_hdr, -1,
1890                                 "header_title", "header", NULL);
1891                         gtk_text_buffer_insert_with_tags_by_name(buffer,
1892                                 &iter, ":", 1, "header_title", "header", NULL);
1893                         g_free(hdr);
1894                 } else {
1895                         gtk_text_buffer_insert_with_tags_by_name(buffer,
1896                                 &iter, header->name,
1897                                 -1, "header_title", "header", NULL);
1898                 }
1899                 if (header->name[strlen(header->name) - 1] != ' ')
1900                 gtk_text_buffer_insert_with_tags_by_name
1901                                 (buffer, &iter, " ", 1,
1902                                  "header_title", "header", NULL);
1903
1904                 if (procheader_headername_equal(header->name, "Subject") ||
1905                     procheader_headername_equal(header->name, "From")    ||
1906                     procheader_headername_equal(header->name, "To")      ||
1907                     procheader_headername_equal(header->name, "Cc"))
1908                         unfold_line(header->body);
1909
1910                 if ((procheader_headername_equal(header->name, "X-Mailer") ||
1911                      procheader_headername_equal(header->name,
1912                                                  "X-Newsreader")) &&
1913                     strstr(header->body, "Sylpheed-Claws") != NULL) {
1914                         gtk_text_buffer_get_end_iter (buffer, &iter);
1915                         gtk_text_buffer_insert_with_tags_by_name
1916                                 (buffer, &iter, header->body, -1,
1917                                  "header", "emphasis", NULL);
1918                 } else {
1919                         gboolean hdr =
1920                           procheader_headername_equal(header->name, "From") ||
1921                           procheader_headername_equal(header->name, "To") ||
1922                           procheader_headername_equal(header->name, "Cc") ||
1923                           procheader_headername_equal(header->name, "Bcc") ||
1924                           procheader_headername_equal(header->name, "Reply-To") ||
1925                           procheader_headername_equal(header->name, "Sender");
1926                         textview_make_clickable_parts(textview, "header",
1927                                                       "hlink", header->body,
1928                                                       hdr);
1929                 }
1930                 gtk_text_buffer_get_end_iter (buffer, &iter);
1931                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
1932                                                          "header", NULL);
1933         }
1934
1935         textview_show_face(textview);
1936 #if HAVE_LIBCOMPFACE
1937         textview_show_xface(textview);
1938 #endif
1939 }
1940
1941 gboolean textview_search_string(TextView *textview, const gchar *str,
1942                                 gboolean case_sens)
1943 {
1944         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1945
1946         return gtkut_text_view_search_string(text, str, case_sens);
1947 }
1948
1949 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
1950                                          gboolean case_sens)
1951 {
1952         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1953
1954         return gtkut_text_view_search_string_backward(text, str, case_sens);
1955 }
1956
1957 void textview_scroll_one_line(TextView *textview, gboolean up)
1958 {
1959         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1960         GtkAdjustment *vadj = text->vadjustment;
1961
1962         gtkutils_scroll_one_line(GTK_WIDGET(text), vadj, up);
1963 }
1964
1965 gboolean textview_scroll_page(TextView *textview, gboolean up)
1966 {
1967         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1968         GtkAdjustment *vadj = text->vadjustment;
1969
1970         return gtkutils_scroll_page(GTK_WIDGET(text), vadj, up);
1971 }
1972
1973 #define KEY_PRESS_EVENT_STOP() \
1974         g_signal_stop_emission_by_name(G_OBJECT(widget), \
1975                                        "key_press_event");
1976
1977 static gint textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1978                                  TextView *textview)
1979 {
1980         SummaryView *summaryview = NULL;
1981         MessageView *messageview = textview->messageview;
1982
1983         if (!event) return FALSE;
1984         if (messageview->mainwin)
1985                 summaryview = messageview->mainwin->summaryview;
1986
1987         switch (event->keyval) {
1988         case GDK_Tab:
1989         case GDK_Home:
1990         case GDK_Left:
1991         case GDK_Up:
1992         case GDK_Right:
1993         case GDK_Down:
1994         case GDK_Page_Up:
1995         case GDK_Page_Down:
1996         case GDK_End:
1997         case GDK_Control_L:
1998         case GDK_Control_R:
1999                 return FALSE;
2000         case GDK_space:
2001                 if (summaryview)
2002                         summary_pass_key_press_event(summaryview, event);
2003                 else
2004                         mimeview_scroll_page
2005                                 (messageview->mimeview,
2006                                  (event->state &
2007                                   (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2008                 break;
2009         case GDK_BackSpace:
2010                 mimeview_scroll_page(messageview->mimeview, TRUE);
2011                 break;
2012         case GDK_Return:
2013                 mimeview_scroll_one_line
2014                         (messageview->mimeview, (event->state &
2015                                     (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2016                 break;
2017         case GDK_Delete:
2018                 if (summaryview)
2019                         summary_pass_key_press_event(summaryview, event);
2020                 break;
2021         case GDK_y:
2022         case GDK_t:
2023         case GDK_l:
2024         case GDK_c:
2025                 if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) == 0) {
2026                         KEY_PRESS_EVENT_STOP();
2027                         mimeview_pass_key_press_event(messageview->mimeview,
2028                                                       event);
2029                         break;
2030                 }
2031                 /* possible fall through */
2032         default:
2033                 if (summaryview &&
2034                     event->window != messageview->mainwin->window->window) {
2035                         GdkEventKey tmpev = *event;
2036
2037                         tmpev.window = messageview->mainwin->window->window;
2038                         KEY_PRESS_EVENT_STOP();
2039                         gtk_widget_event(messageview->mainwin->window,
2040                                          (GdkEvent *)&tmpev);
2041                 }
2042                 break;
2043         }
2044
2045         return TRUE;
2046 }
2047
2048 static gboolean textview_motion_notify(GtkWidget *widget,
2049                                        GdkEventMotion *event,
2050                                        TextView *textview)
2051 {
2052         if (textview->loading)
2053                 return FALSE;
2054         textview_uri_update(textview, event->x, event->y);
2055         gdk_window_get_pointer(widget->window, NULL, NULL, NULL);
2056
2057         return FALSE;
2058 }
2059
2060 static gboolean textview_leave_notify(GtkWidget *widget,
2061                                       GdkEventCrossing *event,
2062                                       TextView *textview)
2063 {
2064         if (textview->loading)
2065                 return FALSE;
2066         textview_uri_update(textview, -1, -1);
2067
2068         return FALSE;
2069 }
2070
2071 static gboolean textview_visibility_notify(GtkWidget *widget,
2072                                            GdkEventVisibility *event,
2073                                            TextView *textview)
2074 {
2075         gint wx, wy;
2076         GdkWindow *window;
2077
2078         if (textview->loading)
2079                 return FALSE;
2080
2081         window = gtk_text_view_get_window(GTK_TEXT_VIEW(widget),
2082                                           GTK_TEXT_WINDOW_TEXT);
2083
2084         /* check if occurred for the text window part */
2085         if (window != event->window)
2086                 return FALSE;
2087
2088         gdk_window_get_pointer(widget->window, &wx, &wy, NULL);
2089         textview_uri_update(textview, wx, wy);
2090
2091         return FALSE;
2092 }
2093
2094 void textview_cursor_wait(TextView *textview)
2095 {
2096         GdkWindow *window = gtk_text_view_get_window(
2097                         GTK_TEXT_VIEW(textview->text),
2098                         GTK_TEXT_WINDOW_TEXT);
2099         textview_set_cursor(window, watch_cursor);
2100 }
2101
2102 void textview_cursor_normal(TextView *textview)
2103 {
2104         GdkWindow *window = gtk_text_view_get_window(
2105                         GTK_TEXT_VIEW(textview->text),
2106                         GTK_TEXT_WINDOW_TEXT);
2107         textview_set_cursor(window, text_cursor);
2108 }
2109
2110 static void textview_uri_update(TextView *textview, gint x, gint y)
2111 {
2112         GtkTextBuffer *buffer;
2113         GtkTextIter start_iter, end_iter;
2114         ClickableText *uri = NULL;
2115
2116         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2117
2118         if (x != -1 && y != -1) {
2119                 gint bx, by;
2120                 GtkTextIter iter;
2121                 GSList *tags;
2122                 GSList *cur;
2123
2124                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview->text),
2125                                                       GTK_TEXT_WINDOW_WIDGET,
2126                                                       x, y, &bx, &by);
2127                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview->text),
2128                                                    &iter, bx, by);
2129
2130                 tags = gtk_text_iter_get_tags(&iter);
2131                 for (cur = tags; cur != NULL; cur = cur->next) {
2132                         GtkTextTag *tag = cur->data;
2133                         char *name;
2134
2135                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
2136
2137                         if ((!strcmp(name, "link") || !strcmp(name, "hlink"))
2138                             && textview_get_uri_range(textview, &iter, tag,
2139                                                       &start_iter, &end_iter)) {
2140
2141                                 uri = textview_get_uri_from_range(textview,
2142                                                                   &iter, tag,
2143                                                                   &start_iter,
2144                                                                   &end_iter);
2145                         }
2146                         g_free(name);
2147                         if (uri)
2148                                 break;
2149                 }
2150                 g_slist_free(tags);
2151         }
2152
2153         if (uri != textview->uri_hover) {
2154                 GdkWindow *window;
2155
2156                 if (textview->uri_hover)
2157                         gtk_text_buffer_remove_tag_by_name(buffer,
2158                                                            "link-hover",
2159                                                            &textview->uri_hover_start_iter,
2160                                                            &textview->uri_hover_end_iter);
2161
2162                 textview->uri_hover = uri;
2163                 if (uri) {
2164                         textview->uri_hover_start_iter = start_iter;
2165                         textview->uri_hover_end_iter = end_iter;
2166                 }
2167
2168                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview->text),
2169                                                   GTK_TEXT_WINDOW_TEXT);
2170                 if (textview->messageview->mainwin->cursor_count == 0) {
2171                         textview_set_cursor(window, uri ? hand_cursor : text_cursor);
2172                 } else {
2173                         textview_set_cursor(window, watch_cursor);
2174                 }
2175
2176                 TEXTVIEW_STATUSBAR_POP(textview);
2177
2178                 if (uri) {
2179                         char *trimmed_uri;
2180
2181                         if (!uri->is_quote)
2182                                 gtk_text_buffer_apply_tag_by_name(buffer,
2183                                                           "link-hover",
2184                                                           &start_iter,
2185                                                           &end_iter);
2186
2187                         trimmed_uri = trim_string(uri->uri, 60);
2188                         TEXTVIEW_STATUSBAR_PUSH(textview, trimmed_uri);
2189                         g_free(trimmed_uri);
2190                 }
2191         }
2192 }
2193
2194 static gboolean textview_get_uri_range(TextView *textview,
2195                                        GtkTextIter *iter,
2196                                        GtkTextTag *tag,
2197                                        GtkTextIter *start_iter,
2198                                        GtkTextIter *end_iter)
2199 {
2200         return get_tag_range(iter, tag, start_iter, end_iter);
2201 }
2202
2203 static ClickableText *textview_get_uri_from_range(TextView *textview,
2204                                               GtkTextIter *iter,
2205                                               GtkTextTag *tag,
2206                                               GtkTextIter *start_iter,
2207                                               GtkTextIter *end_iter)
2208 {
2209         gint start_pos, end_pos, cur_pos;
2210         ClickableText *uri = NULL;
2211         GSList *cur;
2212
2213         start_pos = gtk_text_iter_get_offset(start_iter);
2214         end_pos = gtk_text_iter_get_offset(end_iter);
2215         cur_pos = gtk_text_iter_get_offset(iter);
2216
2217         for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
2218                 ClickableText *uri_ = (ClickableText *)cur->data;
2219                 if (start_pos == uri_->start &&
2220                     end_pos ==  uri_->end) {
2221                         uri = uri_;
2222                         break;
2223                 }
2224         }
2225         for (cur = textview->uri_list; uri == NULL && cur != NULL; cur = cur->next) {
2226                 ClickableText *uri_ = (ClickableText *)cur->data;
2227                 if (start_pos == uri_->start ||
2228                            end_pos == uri_->end) {
2229                         /* in case of contiguous links, textview_get_uri_range
2230                          * returns a broader range (start of 1st link to end
2231                          * of last link).
2232                          * In that case, correct link is the one covering
2233                          * current iter.
2234                          */
2235                         if (uri_->start <= cur_pos && cur_pos <= uri_->end) {
2236                                 uri = uri_;
2237                                 break;
2238                         }
2239                 }
2240         }
2241
2242         return uri;
2243 }
2244
2245 static ClickableText *textview_get_uri(TextView *textview,
2246                                    GtkTextIter *iter,
2247                                    GtkTextTag *tag)
2248 {
2249         GtkTextIter start_iter, end_iter;
2250         ClickableText *uri = NULL;
2251
2252         if (textview_get_uri_range(textview, iter, tag, &start_iter,
2253                                    &end_iter))
2254                 uri = textview_get_uri_from_range(textview, iter, tag,
2255                                                   &start_iter, &end_iter);
2256
2257         return uri;
2258 }
2259
2260 static void textview_shift_uris_after(TextView *textview, GSList *start_list, gint start, gint shift)
2261 {
2262         GSList *cur;
2263         if (!start_list)
2264                 start_list = textview->uri_list;
2265
2266         for (cur = start_list; cur; cur = cur->next) {
2267                 ClickableText *uri = (ClickableText *)cur->data;
2268                 if (uri->start <= start)
2269                         continue;
2270                 uri->start += shift;
2271                 uri->end += shift;
2272         }
2273 }
2274
2275 static void textview_remove_uris_in(TextView *textview, gint start, gint end)
2276 {
2277         GSList *cur;
2278         for (cur = textview->uri_list; cur; ) {
2279                 ClickableText *uri = (ClickableText *)cur->data;
2280                 if (uri->start > start && uri->end < end) {
2281                         cur = cur->next;
2282                         textview->uri_list = g_slist_remove(textview->uri_list, uri);
2283                         g_free(uri->uri);
2284                         g_free(uri->filename);
2285                         if (uri->is_quote) {
2286                                 g_free(uri->fg_color);
2287                                 g_free(uri->data);
2288                                 /* (only free data in quotes uris) */
2289                         }
2290                         g_free(uri);
2291                 } else {
2292                         cur = cur->next;
2293                 }
2294
2295         }
2296 }
2297
2298 static void textview_toggle_quote(TextView *textview, GSList *start_list, ClickableText *uri, gboolean expand_only)
2299 {
2300         GtkTextIter start, end;
2301         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2302
2303         if (!uri->is_quote)
2304                 return;
2305
2306         if (uri->q_expanded && expand_only)
2307                 return;
2308
2309         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2310         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2311         if (textview->uri_hover)
2312                 gtk_text_buffer_remove_tag_by_name(buffer,
2313                                                    "link-hover",
2314                                                    &textview->uri_hover_start_iter,
2315                                                    &textview->uri_hover_end_iter);
2316         textview->uri_hover = NULL;
2317         gtk_text_buffer_remove_tag_by_name(buffer,
2318                                            "qlink",
2319                                            &start,
2320                                            &end);
2321         /* when shifting URIs start and end, we have to do it per-UTF8-char
2322          * so use g_utf8_strlen(). OTOH, when inserting in the text buffer,
2323          * we have to pass a number of bytes, so use strlen(). disturbing. */
2324
2325         if (!uri->q_expanded) {
2326                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2327                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2328                 textview_shift_uris_after(textview, start_list, uri->start,
2329                         g_utf8_strlen((gchar *)uri->data, -1)-strlen(" [...]\n"));
2330                 gtk_text_buffer_delete(buffer, &start, &end);
2331                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2332                 gtk_text_buffer_insert_with_tags_by_name
2333                                 (buffer, &start, (gchar *)uri->data,
2334                                  strlen((gchar *)uri->data)-1,
2335                                  "qlink", (gchar *)uri->fg_color, NULL);
2336                 uri->end = gtk_text_iter_get_offset(&start);
2337                 textview_make_clickable_parts_later(textview,
2338                                           uri->start, uri->end);
2339                 uri->q_expanded = TRUE;
2340         } else {
2341                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2342                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2343                 textview_remove_uris_in(textview, uri->start, uri->end);
2344                 textview_shift_uris_after(textview, start_list, uri->start,
2345                         strlen(" [...]\n")-g_utf8_strlen((gchar *)uri->data, -1));
2346                 gtk_text_buffer_delete(buffer, &start, &end);
2347                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2348                 gtk_text_buffer_insert_with_tags_by_name
2349                                 (buffer, &start, " [...]", -1,
2350                                  "qlink", (gchar *)uri->fg_color, NULL);
2351                 uri->end = gtk_text_iter_get_offset(&start);
2352                 uri->q_expanded = FALSE;
2353         }
2354         if (textview->messageview->mainwin->cursor_count == 0) {
2355                 textview_cursor_normal(textview);
2356         } else {
2357                 textview_cursor_wait(textview);
2358         }
2359 }
2360 static gboolean textview_uri_button_pressed(GtkTextTag *tag, GObject *obj,
2361                                             GdkEvent *event, GtkTextIter *iter,
2362                                             TextView *textview)
2363 {
2364         GdkEventButton *bevent;
2365         ClickableText *uri = NULL;
2366         char *tagname;
2367         gboolean qlink = FALSE;
2368
2369         if (!event)
2370                 return FALSE;
2371
2372         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
2373                 && event->type != GDK_MOTION_NOTIFY)
2374                 return FALSE;
2375
2376         uri = textview_get_uri(textview, iter, tag);
2377         if (!uri)
2378                 return FALSE;
2379
2380         g_object_get(G_OBJECT(tag), "name", &tagname, NULL);
2381
2382         if (!strcmp(tagname, "qlink"))
2383                 qlink = TRUE;
2384
2385         g_free(tagname);
2386
2387         bevent = (GdkEventButton *) event;
2388
2389         /* doubleclick: open compose / add address / browser */
2390         if (qlink && event->type == GDK_BUTTON_PRESS && bevent->button != 1) {
2391                 /* pass rightclick through */
2392                 return FALSE;
2393         } else if ((event->type == (qlink ? GDK_2BUTTON_PRESS:GDK_BUTTON_PRESS) && bevent->button == 1) ||
2394                 bevent->button == 2 || bevent->button == 3) {
2395                 if (uri->filename && !g_ascii_strncasecmp(uri->filename, "sc://", 5)) {
2396                         MimeView *mimeview =
2397                                 (textview->messageview)?
2398                                         textview->messageview->mimeview:NULL;
2399                         if (mimeview && bevent->button == 1) {
2400                                 mimeview_handle_cmd(mimeview, uri->filename, NULL, uri->data);
2401                         } else if (mimeview && bevent->button == 2 &&
2402                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2403                                 mimeview_handle_cmd(mimeview, "sc://open_attachment", NULL, uri->data);
2404                         } else if (mimeview && bevent->button == 3 &&
2405                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2406                                 mimeview_handle_cmd(mimeview, "sc://menu_attachment", bevent, uri->data);
2407                         }
2408                         return TRUE;
2409                 } else if (qlink && bevent->button == 1) {
2410                         textview_toggle_quote(textview, NULL, uri, FALSE);
2411                         return TRUE;
2412                 } else if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) {
2413                         if (bevent->button == 3) {
2414                                 g_object_set_data(
2415                                         G_OBJECT(textview->mail_popup_menu),
2416                                         "menu_button", uri);
2417                                 gtk_menu_popup(GTK_MENU(textview->mail_popup_menu),
2418                                                NULL, NULL, NULL, NULL,
2419                                                bevent->button, bevent->time);
2420                         } else {
2421                                 PrefsAccount *account = NULL;
2422                                 FolderItem   *folder_item = NULL;
2423                                 if (textview->messageview && textview->messageview->msginfo &&
2424                                     textview->messageview->msginfo->folder) {
2425
2426
2427                                         folder_item = textview->messageview->msginfo->folder;
2428                                         if (folder_item->prefs && folder_item->prefs->enable_default_account)
2429                                                 account = account_find_from_id(folder_item->prefs->default_account);
2430                                 }
2431                                 compose_new_with_folderitem(account, folder_item, uri->uri + 7);
2432                         }
2433                         return TRUE;
2434                 } else if (g_ascii_strncasecmp(uri->uri, "file:", 5)) {
2435                         if (bevent->button == 1 &&
2436                             textview_uri_security_check(textview, uri) == TRUE)
2437                                         open_uri(uri->uri,
2438                                                  prefs_common.uri_cmd);
2439                         else if (bevent->button == 3 && !qlink) {
2440                                 g_object_set_data(
2441                                         G_OBJECT(textview->link_popup_menu),
2442                                         "menu_button", uri);
2443                                 gtk_menu_popup(GTK_MENU(textview->link_popup_menu),
2444                                                NULL, NULL, NULL, NULL,
2445                                                bevent->button, bevent->time);
2446                         }
2447                         return TRUE;
2448                 } else {
2449                         if (bevent->button == 3 && !qlink) {
2450                                 g_object_set_data(
2451                                         G_OBJECT(textview->file_popup_menu),
2452                                         "menu_button", uri);
2453                                 gtk_menu_popup(GTK_MENU(textview->file_popup_menu),
2454                                                NULL, NULL, NULL, NULL,
2455                                                bevent->button, bevent->time);
2456                                 return TRUE;
2457                         }
2458                 }
2459         }
2460
2461         return FALSE;
2462 }
2463
2464 /*!
2465  *\brief    Check to see if a web URL has been disguised as a different
2466  *          URL (possible with HTML email).
2467  *
2468  *\param    uri The uri to check
2469  *
2470  *\param    textview The TextView the URL is contained in
2471  *
2472  *\return   gboolean TRUE if the URL is ok, or if the user chose to open
2473  *          it anyway, otherwise FALSE
2474  */
2475 static gboolean textview_uri_security_check(TextView *textview, ClickableText *uri)
2476 {
2477         gchar *visible_str;
2478         gboolean retval = TRUE;
2479         GtkTextBuffer *buffer;
2480         GtkTextIter start, end;
2481
2482         if (is_uri_string(uri->uri) == FALSE)
2483                 return TRUE;
2484
2485         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2486
2487         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2488         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2489
2490         visible_str = gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
2491
2492         if (visible_str == NULL)
2493                 return TRUE;
2494
2495         if (strcmp(visible_str, uri->uri) != 0 && is_uri_string(visible_str)) {
2496                 gchar *uri_path;
2497                 gchar *visible_uri_path;
2498
2499                 uri_path = get_uri_path(uri->uri);
2500                 visible_uri_path = get_uri_path(visible_str);
2501                 if (path_cmp(uri_path, visible_uri_path) != 0)
2502                         retval = FALSE;
2503         }
2504
2505         if (retval == FALSE) {
2506                 gchar *msg;
2507                 AlertValue aval;
2508
2509                 msg = g_markup_printf_escaped(_("The real URL is different from "
2510                                                 "the displayed URL.\n"
2511                                                 "\n"
2512                                                 "<b>Displayed URL:</b> %s\n"
2513                                                 "\n"
2514                                                 "<b>Real URL:</b> %s\n"
2515                                                 "\n"
2516                                                 "Open it anyway?"),
2517                                                visible_str,uri->uri);
2518                 aval = alertpanel_full(_("Phishing attempt warning"), msg,
2519                                        GTK_STOCK_CANCEL, _("_Open URL"), NULL, FALSE,
2520                                        NULL, ALERT_WARNING, G_ALERTDEFAULT);
2521                 g_free(msg);
2522                 if (aval == G_ALERTALTERNATE)
2523                         retval = TRUE;
2524         }
2525
2526         g_free(visible_str);
2527
2528         return retval;
2529 }
2530
2531 static void textview_uri_list_remove_all(GSList *uri_list)
2532 {
2533         GSList *cur;
2534
2535         for (cur = uri_list; cur != NULL; cur = cur->next) {
2536                 if (cur->data) {
2537                         g_free(((ClickableText *)cur->data)->uri);
2538                         g_free(((ClickableText *)cur->data)->filename);
2539                         if (((ClickableText *)cur->data)->is_quote) {
2540                                 g_free(((ClickableText *)cur->data)->fg_color);
2541                                 g_free(((ClickableText *)cur->data)->data);
2542                                 /* (only free data in quotes uris) */
2543                         }
2544                         g_free(cur->data);
2545                 }
2546         }
2547
2548         g_slist_free(uri_list);
2549 }
2550
2551 static void open_uri_cb (TextView *textview, guint action, void *data)
2552 {
2553         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2554                                            "menu_button");
2555         if (uri == NULL)
2556                 return;
2557
2558         if (textview_uri_security_check(textview, uri) == TRUE)
2559                 open_uri(uri->uri,
2560                          prefs_common.uri_cmd);
2561         g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2562                           NULL);
2563 }
2564
2565 static void open_image_cb (TextView *textview, guint action, void *data)
2566 {
2567         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
2568                                            "menu_button");
2569
2570         gchar *cmd = NULL;
2571         gchar buf[1024];
2572         const gchar *p;
2573         gchar *filename = NULL;
2574         gchar *tmp_filename = NULL;
2575
2576         if (uri == NULL)
2577                 return;
2578
2579         if (uri->filename == NULL)
2580                 return;
2581
2582         filename = g_strdup(uri->filename);
2583
2584         if (!g_utf8_validate(filename, -1, NULL)) {
2585                 gchar *tmp = conv_filename_to_utf8(filename);
2586                 g_free(filename);
2587                 filename = tmp;
2588         }
2589
2590         subst_for_filename(filename);
2591
2592         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
2593         copy_file(tmp_filename, filename, FALSE);
2594         g_free(tmp_filename);
2595
2596         cmd = mailcap_get_command_for_type("image/jpeg", filename);
2597         if (cmd == NULL) {
2598                 gboolean remember = FALSE;
2599                 cmd = input_dialog_combo_remember
2600                         (_("Open with"),
2601                          _("Enter the command line to open file:\n"
2602                            "('%s' will be replaced with file name)"),
2603                          prefs_common.mime_open_cmd,
2604                          prefs_common.mime_open_cmd_history,
2605                          TRUE, &remember);
2606                 if (cmd && remember) {
2607                         mailcap_update_default("image/jpeg", cmd);
2608                 }
2609         }
2610         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2611             !strchr(p + 2, '%'))
2612                 g_snprintf(buf, sizeof(buf), cmd, filename);
2613         else {
2614                 g_warning("Image viewer command line is invalid: '%s'", cmd);
2615                 return;
2616         }
2617
2618         execute_command_line(buf, TRUE);
2619
2620         g_free(filename);
2621         g_free(cmd);
2622
2623         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
2624                           NULL);
2625 }
2626
2627 static void save_file_cb (TextView *textview, guint action, void *data)
2628 {
2629         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
2630                                            "menu_button");
2631         gchar *filename = NULL;
2632         gchar *filepath = NULL;
2633         gchar *filedir = NULL;
2634         gchar *tmp_filename = NULL;
2635         if (uri == NULL)
2636                 return;
2637
2638         if (uri->filename == NULL)
2639                 return;
2640
2641         filename = g_strdup(uri->filename);
2642
2643         if (!g_utf8_validate(filename, -1, NULL)) {
2644                 gchar *tmp = conv_filename_to_utf8(filename);
2645                 g_free(filename);
2646                 filename = tmp;
2647         }
2648
2649         subst_for_filename(filename);
2650
2651         if (prefs_common.attach_save_dir)
2652                 filepath = g_strconcat(prefs_common.attach_save_dir,
2653                                        G_DIR_SEPARATOR_S, filename, NULL);
2654         else
2655                 filepath = g_strdup(filename);
2656
2657         g_free(filename);
2658
2659         filename = filesel_select_file_save(_("Save as"), filepath);
2660         if (!filename) {
2661                 g_free(filepath);
2662                 return;
2663         }
2664
2665         if (is_file_exist(filename)) {
2666                 AlertValue aval;
2667                 gchar *res;
2668
2669                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
2670                                       filename);
2671                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
2672                                   GTK_STOCK_OK, NULL);
2673                 g_free(res);
2674                 if (G_ALERTALTERNATE != aval)
2675                         return;
2676         }
2677
2678         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
2679         copy_file(tmp_filename, filename, FALSE);
2680         g_free(tmp_filename);
2681
2682         filedir = g_path_get_dirname(filename);
2683         if (filedir && strcmp(filedir, ".")) {
2684                 g_free(prefs_common.attach_save_dir);
2685                 prefs_common.attach_save_dir = g_strdup(filedir);
2686         }
2687
2688         g_free(filedir);
2689         g_free(filepath);
2690
2691         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
2692                           NULL);
2693 }
2694
2695 static void copy_uri_cb (TextView *textview, guint action, void *data)
2696 {
2697         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2698                                            "menu_button");
2699         if (uri == NULL)
2700                 return;
2701
2702         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri, -1);
2703         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri, -1);
2704         g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2705                           NULL);
2706 }
2707
2708 static void add_uri_to_addrbook_cb (TextView *textview, guint action, void *data)
2709 {
2710         gchar *fromname, *fromaddress;
2711         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
2712                                            "menu_button");
2713         if (uri == NULL)
2714                 return;
2715
2716         /* extract url */
2717         fromaddress = g_strdup(uri->uri + 7);
2718         /* Hiroyuki: please put this function in utils.c! */
2719         fromname = procheader_get_fromname(fromaddress);
2720         extract_address(fromaddress);
2721         g_message("adding from textview %s <%s>", fromname, fromaddress);
2722         /* Add to address book - Match */
2723         addressbook_add_contact( fromname, fromaddress, NULL );
2724
2725         g_free(fromaddress);
2726         g_free(fromname);
2727 }
2728
2729 static void mail_to_uri_cb (TextView *textview, guint action, void *data)
2730 {
2731         PrefsAccount *account = NULL;
2732         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
2733                                            "menu_button");
2734         if (uri == NULL)
2735                 return;
2736
2737         if (textview->messageview && textview->messageview->msginfo &&
2738             textview->messageview->msginfo->folder) {
2739                 FolderItem   *folder_item;
2740
2741                 folder_item = textview->messageview->msginfo->folder;
2742                 if (folder_item->prefs && folder_item->prefs->enable_default_account)
2743                         account = account_find_from_id(folder_item->prefs->default_account);
2744         }
2745         compose_new(account, uri->uri + 7, NULL);
2746 }
2747
2748 static void copy_mail_to_uri_cb (TextView *textview, guint action, void *data)
2749 {
2750         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
2751                                            "menu_button");
2752         if (uri == NULL)
2753                 return;
2754
2755         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri +7, -1);
2756         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri +7, -1);
2757         g_object_set_data(G_OBJECT(textview->mail_popup_menu), "menu_button",
2758                           NULL);
2759 }
2760