src/textview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gdk/gdk.h>
  29 #include <gdk/gdkkeysyms.h>
  30 #include <gtk/gtkvbox.h>
  31 #include <gtk/gtkscrolledwindow.h>
  32 #include <gtk/gtksignal.h>
  33 #include <stdio.h>
  34 #include <ctype.h>
  35 #include <string.h>
  36 #include <stdlib.h>
  37 #include <errno.h>
  38 #if HAVE_SYS_WAIT_H
  39 #include <sys/wait.h>
  40 #endif
  41 #if HAVE_LIBCOMPFACE
  42 #  include <compface.h>
  43 #endif
  44
  45 #if HAVE_LIBCOMPFACE
  46 #define XPM_XFACE_HEIGHT        (HEIGHT + 3)  /* 3 = 1 header + 2 colors */
  47 #endif
  48
  49 #include "main.h"
  50 #include "summaryview.h"
  51 #include "procheader.h"
  52 #include "prefs_common.h"
  53 #include "codeconv.h"
  54 #include "utils.h"
  55 #include "gtkutils.h"
  56 #include "procmime.h"
  57 #include "html.h"
  58 #include "enriched.h"
  59 #include "compose.h"
  60 #include "addressbook.h"
  61 #include "displayheader.h"
  62 #include "account.h"
  63 #include "mimeview.h"
  64 #include "alertpanel.h"
  65 #include "menu.h"
  66 #include "image_viewer.h"
  67 #include "filesel.h"
  68 #include "base64.h"
  69 #include "inputdialog.h"
  70 #include "timing.h"
  71 #include "tags.h"
  72 #include "addrindex.h"
  73
  74 static GdkColor quote_colors[3] = {
  75         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  76         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  77         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  78 };
  79
  80 static GdkColor quote_bgcolors[3] = {
  81         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  82         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  83         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  84 };
  85 static GdkColor signature_color = {
  86         (gulong)0,
  87         (gushort)0x7fff,
  88         (gushort)0x7fff,
  89         (gushort)0x7fff
  90 };
  91
  92 static GdkColor uri_color = {
  93         (gulong)0,
  94         (gushort)0,
  95         (gushort)0,
  96         (gushort)0
  97 };
  98
  99 static GdkColor emphasis_color = {
 100         (gulong)0,
 101         (gushort)0,
 102         (gushort)0,
 103         (gushort)0
 104 };
 105
 106 static GdkCursor *hand_cursor = NULL;
 107 static GdkCursor *text_cursor = NULL;
 108 static GdkCursor *watch_cursor= NULL;
 109
 110 #define TEXTVIEW_STATUSBAR_PUSH(textview, str)                              \
 111 {       if (textview->messageview->statusbar)                               \
 112         gtk_statusbar_push(GTK_STATUSBAR(textview->messageview->statusbar), \
 113                            textview->messageview->statusbar_cid, str);      \
 114 }
 115
 116 #define TEXTVIEW_STATUSBAR_POP(textview)                                   \
 117 {       if (textview->messageview->statusbar)                              \
 118         gtk_statusbar_pop(GTK_STATUSBAR(textview->messageview->statusbar), \
 119                           textview->messageview->statusbar_cid);           \
 120 }
 121
 122 static void textview_show_ertf          (TextView       *textview,
 123                                          FILE           *fp,
 124                                          CodeConverter  *conv);
 125 static void textview_add_part           (TextView       *textview,
 126                                          MimeInfo       *mimeinfo);
 127 static void textview_add_parts          (TextView       *textview,
 128                                          MimeInfo       *mimeinfo);
 129 static void textview_write_body         (TextView       *textview,
 130                                          MimeInfo       *mimeinfo);
 131 static void textview_show_html          (TextView       *textview,
 132                                          FILE           *fp,
 133                                          CodeConverter  *conv);
 134
 135 static void textview_write_line         (TextView       *textview,
 136                                          const gchar    *str,
 137                                          CodeConverter  *conv,
 138                                          gboolean        do_quote_folding);
 139 static void textview_write_link         (TextView       *textview,
 140                                          const gchar    *str,
 141                                          const gchar    *uri,
 142                                          CodeConverter  *conv);
 143
 144 static GPtrArray *textview_scan_header  (TextView       *textview,
 145                                          FILE           *fp);
 146 static void textview_show_header        (TextView       *textview,
 147                                          GPtrArray      *headers);
 148
 149 static gint textview_key_pressed                (GtkWidget      *widget,
 150                                                  GdkEventKey    *event,
 151                                                  TextView       *textview);
 152 static gboolean textview_motion_notify          (GtkWidget      *widget,
 153                                                  GdkEventMotion *motion,
 154                                                  TextView       *textview);
 155 static gboolean textview_leave_notify           (GtkWidget        *widget,
 156                                                  GdkEventCrossing *event,
 157                                                  TextView         *textview);
 158 static gboolean textview_visibility_notify      (GtkWidget      *widget,
 159                                                  GdkEventVisibility *event,
 160                                                  TextView       *textview);
 161 static void textview_uri_update                 (TextView       *textview,
 162                                                  gint           x,
 163                                                  gint           y);
 164 static gboolean textview_get_uri_range          (TextView       *textview,
 165                                                  GtkTextIter    *iter,
 166                                                  GtkTextTag     *tag,
 167                                                  GtkTextIter    *start_iter,
 168                                                  GtkTextIter    *end_iter);
 169 static ClickableText *textview_get_uri_from_range       (TextView       *textview,
 170                                                  GtkTextIter    *iter,
 171                                                  GtkTextTag     *tag,
 172                                                  GtkTextIter    *start_iter,
 173                                                  GtkTextIter    *end_iter);
 174 static ClickableText *textview_get_uri          (TextView       *textview,
 175                                                  GtkTextIter    *iter,
 176                                                  GtkTextTag     *tag);
 177 static gboolean textview_uri_button_pressed     (GtkTextTag     *tag,
 178                                                  GObject        *obj,
 179                                                  GdkEvent       *event,
 180                                                  GtkTextIter    *iter,
 181                                                  TextView       *textview);
 182
 183 static void textview_uri_list_remove_all        (GSList         *uri_list);
 184
 185 static void textview_toggle_quote               (TextView       *textview,
 186                                                  GSList         *start_list,
 187                                                  ClickableText  *uri,
 188                                                  gboolean        expand_only);
 189
 190 static void open_uri_cb                         (TextView       *textview,
 191                                                  guint           action,
 192                                                  void           *data);
 193 static void copy_uri_cb                         (TextView       *textview,
 194                                                  guint           action,
 195                                                  void           *data);
 196 static void add_uri_to_addrbook_cb              (TextView       *textview,
 197                                                  guint           action,
 198                                                  void           *data);
 199 static void mail_to_uri_cb                      (TextView       *textview,
 200                                                  guint           action,
 201                                                  void           *data);
 202 static void copy_mail_to_uri_cb                 (TextView       *textview,
 203                                                  guint           action,
 204                                                  void           *data);
 205 static void save_file_cb                        (TextView       *textview,
 206                                                  guint           action,
 207                                                  void           *data);
 208 static void open_image_cb                       (TextView       *textview,
 209                                                  guint           action,
 210                                                  void           *data);
 211 static void textview_show_tags(TextView *textview);
 212
 213 static GtkItemFactoryEntry textview_link_popup_entries[] =
 214 {
 215         {N_("/_Open with Web browser"), NULL, open_uri_cb, 0, NULL},
 216         {N_("/Copy this _link"),        NULL, copy_uri_cb, 0, NULL},
 217 };
 218
 219 static GtkItemFactoryEntry textview_mail_popup_entries[] =
 220 {
 221         {N_("/Compose _new message"),   NULL, mail_to_uri_cb, 0, NULL},
 222         {N_("/Add to _address book"),   NULL, add_uri_to_addrbook_cb, 0, NULL},
 223         {N_("/Copy this add_ress"),     NULL, copy_mail_to_uri_cb, 0, NULL},
 224 };
 225
 226 static GtkItemFactoryEntry textview_file_popup_entries[] =
 227 {
 228         {N_("/_Open image"),            NULL, open_image_cb, 0, NULL},
 229         {N_("/_Save image..."),         NULL, save_file_cb, 0, NULL},
 230 };
 231
 232 static void scrolled_cb (GtkAdjustment *adj, TextView *textview)
 233 {
 234 #ifndef WIDTH
 235 #  define WIDTH 48
 236 #  define HEIGHT 48
 237 #endif
 238         if (textview->image) {
 239                 gint x, y, x1;
 240                 x1 = textview->text->allocation.width - WIDTH - 5;
 241                 gtk_text_view_buffer_to_window_coords(
 242                         GTK_TEXT_VIEW(textview->text),
 243                         GTK_TEXT_WINDOW_TEXT, x1, 5, &x, &y);
 244                 gtk_text_view_move_child(GTK_TEXT_VIEW(textview->text),
 245                         textview->image, x1, y);
 246         }
 247 }
 248
 249 static void textview_size_allocate_cb   (GtkWidget      *widget,
 250                                          GtkAllocation  *allocation,
 251                                          gpointer        data)
 252 {
 253         scrolled_cb(NULL, (TextView *)data);
 254 }
 255
 256 TextView *textview_create(void)
 257 {
 258         TextView *textview;
 259         GtkWidget *vbox;
 260         GtkWidget *scrolledwin;
 261         GtkWidget *text;
 262         GtkTextBuffer *buffer;
 263         GtkClipboard *clipboard;
 264         GtkItemFactory *link_popupfactory, *mail_popupfactory, *file_popupfactory;
 265         GtkWidget *link_popupmenu, *mail_popupmenu, *file_popupmenu;
 266         GtkAdjustment *adj;
 267         gint n_entries;
 268
 269         debug_print("Creating text view...\n");
 270         textview = g_new0(TextView, 1);
 271
 272         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 273         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 274                                        GTK_POLICY_AUTOMATIC,
 275                                        GTK_POLICY_AUTOMATIC);
 276         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 277                                             GTK_SHADOW_IN);
 278         gtk_widget_set_size_request
 279                 (scrolledwin, prefs_common.mainview_width, -1);
 280
 281         /* create GtkSText widgets for single-byte and multi-byte character */
 282         text = gtk_text_view_new();
 283         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 284         gtk_widget_show(text);
 285         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 286         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD_CHAR);
 287         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 288         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 289         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 290
 291         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 292         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 293         gtk_text_buffer_add_selection_clipboard(buffer, clipboard);
 294
 295         gtk_widget_ensure_style(text);
 296
 297         gtk_widget_ref(scrolledwin);
 298
 299         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 300
 301         g_signal_connect(G_OBJECT(text), "key-press-event",
 302                          G_CALLBACK(textview_key_pressed), textview);
 303         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 304                          G_CALLBACK(textview_motion_notify), textview);
 305         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 306                          G_CALLBACK(textview_leave_notify), textview);
 307         g_signal_connect(G_OBJECT(text), "visibility-notify-event",
 308                          G_CALLBACK(textview_visibility_notify), textview);
 309         adj = gtk_scrolled_window_get_vadjustment(
 310                 GTK_SCROLLED_WINDOW(scrolledwin));
 311         g_signal_connect(G_OBJECT(adj), "value-changed",
 312                          G_CALLBACK(scrolled_cb), textview);
 313         g_signal_connect(G_OBJECT(text), "size_allocate",
 314                          G_CALLBACK(textview_size_allocate_cb),
 315                          textview);
 316
 317
 318         gtk_widget_show(scrolledwin);
 319
 320         vbox = gtk_vbox_new(FALSE, 0);
 321         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 322
 323         gtk_widget_show(vbox);
 324
 325         n_entries = sizeof(textview_link_popup_entries) /
 326                 sizeof(textview_link_popup_entries[0]);
 327         link_popupmenu = menu_create_items(textview_link_popup_entries, n_entries,
 328                                       "<UriPopupMenu>", &link_popupfactory,
 329                                       textview);
 330
 331         n_entries = sizeof(textview_mail_popup_entries) /
 332                 sizeof(textview_mail_popup_entries[0]);
 333         mail_popupmenu = menu_create_items(textview_mail_popup_entries, n_entries,
 334                                       "<UriPopupMenu>", &mail_popupfactory,
 335                                       textview);
 336
 337         n_entries = sizeof(textview_file_popup_entries) /
 338                 sizeof(textview_file_popup_entries[0]);
 339         file_popupmenu = menu_create_items(textview_file_popup_entries, n_entries,
 340                                       "<FilePopupMenu>", &file_popupfactory,
 341                                       textview);
 342
 343         textview->vbox               = vbox;
 344         textview->scrolledwin        = scrolledwin;
 345         textview->text               = text;
 346         textview->uri_list           = NULL;
 347         textview->body_pos           = 0;
 348         textview->show_all_headers   = FALSE;
 349         textview->last_buttonpress   = GDK_NOTHING;
 350         textview->link_popup_menu    = link_popupmenu;
 351         textview->link_popup_factory = link_popupfactory;
 352         textview->mail_popup_menu    = mail_popupmenu;
 353         textview->mail_popup_factory = mail_popupfactory;
 354         textview->file_popup_menu    = file_popupmenu;
 355         textview->file_popup_factory = file_popupfactory;
 356         textview->image              = NULL;
 357         return textview;
 358 }
 359
 360 static void textview_create_tags(GtkTextView *text, TextView *textview)
 361 {
 362         GtkTextBuffer *buffer;
 363         GtkTextTag *tag, *qtag;
 364         static GdkColor yellow, black;
 365         static gboolean color_init = FALSE;
 366         static PangoFontDescription *font_desc, *bold_font_desc;
 367
 368         if (!color_init) {
 369                 gdk_color_parse("#f5f6be", &yellow);
 370                 gdk_color_parse("#000000", &black);
 371                 color_init = gdk_colormap_alloc_color(
 372                         gdk_colormap_get_system(), &yellow, FALSE, TRUE);
 373                 color_init &= gdk_colormap_alloc_color(
 374                         gdk_colormap_get_system(), &black, FALSE, TRUE);
 375         }
 376
 377         if (!font_desc)
 378                 font_desc = pango_font_description_from_string
 379                         (NORMAL_FONT);
 380
 381         if (!bold_font_desc) {
 382                 if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
 383                         bold_font_desc = pango_font_description_from_string
 384                                 (NORMAL_FONT);
 385                         pango_font_description_set_weight
 386                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
 387                 } else {
 388                         bold_font_desc = pango_font_description_from_string
 389                                 (BOLD_FONT);
 390                 }
 391         }
 392
 393         buffer = gtk_text_view_get_buffer(text);
 394
 395         gtk_text_buffer_create_tag(buffer, "header",
 396                                    "pixels-above-lines", 0,
 397                                    "pixels-above-lines-set", TRUE,
 398                                    "pixels-below-lines", 0,
 399                                    "pixels-below-lines-set", TRUE,
 400                                    "font-desc", font_desc,
 401                                    "left-margin", 3,
 402                                    "left-margin-set", TRUE,
 403                                    NULL);
 404         gtk_text_buffer_create_tag(buffer, "header_title",
 405                                    "font-desc", bold_font_desc,
 406                                    NULL);
 407         tag = gtk_text_buffer_create_tag(buffer, "hlink",
 408                                    "pixels-above-lines", 0,
 409                                    "pixels-above-lines-set", TRUE,
 410                                    "pixels-below-lines", 0,
 411                                    "pixels-below-lines-set", TRUE,
 412                                    "font-desc", font_desc,
 413                                    "left-margin", 3,
 414                                    "left-margin-set", TRUE,
 415                                    "foreground-gdk", &uri_color,
 416                                    NULL);
 417         g_signal_connect(G_OBJECT(tag), "event",
 418                          G_CALLBACK(textview_uri_button_pressed), textview);
 419         if (prefs_common.enable_bgcolor) {
 420                 gtk_text_buffer_create_tag(buffer, "quote0",
 421                                 "foreground-gdk", &quote_colors[0],
 422                                 "paragraph-background-gdk", &quote_bgcolors[0],
 423                                 NULL);
 424                 gtk_text_buffer_create_tag(buffer, "quote1",
 425                                 "foreground-gdk", &quote_colors[1],
 426                                 "paragraph-background-gdk", &quote_bgcolors[1],
 427                                 NULL);
 428                 gtk_text_buffer_create_tag(buffer, "quote2",
 429                                 "foreground-gdk", &quote_colors[2],
 430                                 "paragraph-background-gdk", &quote_bgcolors[2],
 431                                 NULL);
 432         } else {
 433                 gtk_text_buffer_create_tag(buffer, "quote0",
 434                                 "foreground-gdk", &quote_colors[0],
 435                                 NULL);
 436                 gtk_text_buffer_create_tag(buffer, "quote1",
 437                                 "foreground-gdk", &quote_colors[1],
 438                                 NULL);
 439                 gtk_text_buffer_create_tag(buffer, "quote2",
 440                                 "foreground-gdk", &quote_colors[2],
 441                                 NULL);
 442         }
 443 #if GTK_CHECK_VERSION(2, 8, 0)
 444         gtk_text_buffer_create_tag(buffer, "tags",
 445                         "foreground-gdk", &black,
 446                         "paragraph-background-gdk", &yellow,
 447                         NULL);
 448 #else
 449         gtk_text_buffer_create_tag(buffer, "tags",
 450                         "foreground-gdk", &emphasis_color,
 451                         NULL);
 452 #endif
 453         gtk_text_buffer_create_tag(buffer, "emphasis",
 454                         "foreground-gdk", &emphasis_color,
 455                         NULL);
 456         gtk_text_buffer_create_tag(buffer, "signature",
 457                         "foreground-gdk", &signature_color,
 458                         NULL);
 459         tag = gtk_text_buffer_create_tag(buffer, "link",
 460                         "foreground-gdk", &uri_color,
 461                         NULL);
 462         qtag = gtk_text_buffer_create_tag(buffer, "qlink",
 463                         NULL);
 464         gtk_text_buffer_create_tag(buffer, "link-hover",
 465                         "underline", PANGO_UNDERLINE_SINGLE,
 466                         NULL);
 467         g_signal_connect(G_OBJECT(qtag), "event",
 468                          G_CALLBACK(textview_uri_button_pressed), textview);
 469         g_signal_connect(G_OBJECT(tag), "event",
 470                          G_CALLBACK(textview_uri_button_pressed), textview);
 471 /*      if (font_desc)
 472                 pango_font_description_free(font_desc);
 473         if (bold_font_desc)
 474                 pango_font_description_free(bold_font_desc);*/
 475  }
 476
 477 void textview_init(TextView *textview)
 478 {
 479         if (!hand_cursor)
 480                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 481         if (!text_cursor)
 482                 text_cursor = gdk_cursor_new(GDK_XTERM);
 483         if (!watch_cursor)
 484                 watch_cursor = gdk_cursor_new(GDK_WATCH);
 485
 486         textview_reflect_prefs(textview);
 487         textview_set_all_headers(textview, FALSE);
 488         textview_set_font(textview, NULL);
 489         textview_create_tags(GTK_TEXT_VIEW(textview->text), textview);
 490 }
 491
 492 #if GTK_CHECK_VERSION(2, 8, 0)
 493  #define CHANGE_TAG_COLOR(tagname, colorfg, colorbg) { \
 494         tag = gtk_text_tag_table_lookup(tags, tagname); \
 495         if (tag) \
 496                 g_object_set(G_OBJECT(tag), "foreground-gdk", colorfg, "paragraph-background-gdk", colorbg, NULL); \
 497  }
 498 #else
 499  #define CHANGE_TAG_COLOR(tagname, colorfg, colorbg) { \
 500         tag = gtk_text_tag_table_lookup(tags, tagname); \
 501         if (tag) \
 502                 g_object_set(G_OBJECT(tag), "foreground-gdk", colorfg, NULL); \
 503  }
 504 #endif
 505
 506 static void textview_update_message_colors(TextView *textview)
 507 {
 508         GdkColor black = {0, 0, 0, 0};
 509         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
 510
 511         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
 512         GtkTextTag *tag = NULL;
 513
 514         quote_bgcolors[0] = quote_bgcolors[1] = quote_bgcolors[2] = black;
 515         quote_colors[0] = quote_colors[1] = quote_colors[2] =
 516                 uri_color = emphasis_color = signature_color = black;
 517
 518         if (prefs_common.enable_color) {
 519                 /* grab the quote colors, converting from an int to a GdkColor */
 520                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
 521                                                &quote_colors[0]);
 522                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
 523                                                &quote_colors[1]);
 524                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
 525                                                &quote_colors[2]);
 526                 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
 527                                                &uri_color);
 528                 gtkut_convert_int_to_gdk_color(prefs_common.signature_col,
 529                                                &signature_color);
 530                 gtkut_convert_int_to_gdk_color(prefs_common.emphasis_col,
 531                                                &emphasis_color);
 532         }
 533         if (prefs_common.enable_color && prefs_common.enable_bgcolor) {
 534                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_bgcol,
 535                                                    &quote_bgcolors[0]);
 536                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_bgcol,
 537                                                    &quote_bgcolors[1]);
 538                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_bgcol,
 539                                                    &quote_bgcolors[2]);
 540                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], &quote_bgcolors[0]);
 541                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], &quote_bgcolors[1]);
 542                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], &quote_bgcolors[2]);
 543         } else {
 544                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], NULL);
 545                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], NULL);
 546                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], NULL);
 547         }
 548
 549         CHANGE_TAG_COLOR("emphasis", &emphasis_color, NULL);
 550         CHANGE_TAG_COLOR("signature", &signature_color, NULL);
 551         CHANGE_TAG_COLOR("link", &uri_color, NULL);
 552         CHANGE_TAG_COLOR("link-hover", &uri_color, NULL);
 553 }
 554 #undef CHANGE_TAG_COLOR
 555
 556 void textview_reflect_prefs(TextView *textview)
 557 {
 558         textview_set_font(textview, NULL);
 559         textview_update_message_colors(textview);
 560         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textview->text),
 561                                          prefs_common.textview_cursor_visible);
 562 }
 563
 564 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
 565 {
 566         START_TIMING("");
 567         g_return_if_fail(mimeinfo != NULL);
 568         g_return_if_fail(fp != NULL);
 569
 570         if ((mimeinfo->type == MIMETYPE_MULTIPART) ||
 571             ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822"))) {
 572                 textview->loading = TRUE;
 573                 textview->stop_loading = FALSE;
 574
 575                 textview_clear(textview);
 576                 textview_add_parts(textview, mimeinfo);
 577
 578                 textview->loading = FALSE;
 579                 textview->stop_loading = FALSE;
 580                 END_TIMING();
 581                 return;
 582         }
 583         textview->loading = TRUE;
 584         textview->stop_loading = FALSE;
 585
 586         if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0)
 587                 perror("fseek");
 588
 589         textview_clear(textview);
 590
 591         if (mimeinfo->type == MIMETYPE_MULTIPART)
 592                 textview_add_parts(textview, mimeinfo);
 593         else
 594                 textview_write_body(textview, mimeinfo);
 595
 596         textview->loading = FALSE;
 597         textview->stop_loading = FALSE;
 598         END_TIMING();
 599 }
 600
 601 static void textview_add_part(TextView *textview, MimeInfo *mimeinfo)
 602 {
 603         GtkTextView *text;
 604         GtkTextBuffer *buffer;
 605         GtkTextIter iter, start_iter;
 606         gchar buf[BUFFSIZE];
 607         GPtrArray *headers = NULL;
 608         const gchar *name;
 609         gchar *content_type;
 610         gint charcount;
 611         START_TIMING("");
 612
 613         g_return_if_fail(mimeinfo != NULL);
 614         text = GTK_TEXT_VIEW(textview->text);
 615         buffer = gtk_text_view_get_buffer(text);
 616         charcount = gtk_text_buffer_get_char_count(buffer);
 617         gtk_text_buffer_get_end_iter(buffer, &iter);
 618
 619         if (textview->stop_loading) {
 620                 return;
 621         }
 622         if (mimeinfo->type == MIMETYPE_MULTIPART) {
 623                 END_TIMING();
 624                 return;
 625         }
 626
 627         textview->prev_quote_level = -1;
 628
 629         if ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822")) {
 630                 FILE *fp;
 631                 if (mimeinfo->content == MIMECONTENT_MEM)
 632                         fp = str_open_as_stream(mimeinfo->data.mem);
 633                 else
 634                         fp = g_fopen(mimeinfo->data.filename, "rb");
 635                 if (!fp) {
 636                         FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
 637                         END_TIMING();
 638                         return;
 639                 }
 640                 fseek(fp, mimeinfo->offset, SEEK_SET);
 641                 headers = textview_scan_header(textview, fp);
 642                 if (headers) {
 643                         if (charcount > 0)
 644                                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 645
 646                         if (procmime_mimeinfo_parent(mimeinfo) == NULL)
 647                                 textview_show_tags(textview);
 648                         textview_show_header(textview, headers);
 649                         procheader_header_array_destroy(headers);
 650                 }
 651                 fclose(fp);
 652                 END_TIMING();
 653                 return;
 654         }
 655
 656         name = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
 657         content_type = procmime_get_content_type_str(mimeinfo->type,
 658                                                      mimeinfo->subtype);
 659         if (name == NULL)
 660                 name = procmime_mimeinfo_get_parameter(mimeinfo, "name");
 661         if (name != NULL)
 662                 g_snprintf(buf, sizeof(buf), _("[%s  %s (%d bytes)]"),
 663                            name, content_type, mimeinfo->length);
 664         else
 665                 g_snprintf(buf, sizeof(buf), _("[%s (%d bytes)]"),
 666                            content_type, mimeinfo->length);
 667
 668         g_free(content_type);
 669
 670         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
 671         || (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
 672             mimeinfo->type != MIMETYPE_TEXT)) {
 673                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 674                 TEXTVIEW_INSERT_LINK(buf, "sc://select_attachment", mimeinfo);
 675                 gtk_text_buffer_insert(buffer, &iter, " \n", -1);
 676                 if (mimeinfo->type == MIMETYPE_IMAGE  &&
 677                     prefs_common.inline_img ) {
 678                         GdkPixbuf *pixbuf;
 679                         gint avail_width;
 680                         gint avail_height;
 681                         GError *error = NULL;
 682                         gchar *filename;
 683                         ClickableText *uri;
 684                         gchar *uri_str;
 685                         gint err;
 686                         START_TIMING("inserting image");
 687
 688                         filename = procmime_get_tmp_file_name(mimeinfo);
 689
 690                         if ((err = procmime_get_part(filename, mimeinfo)) < 0) {
 691                                 g_warning("Can't get the image file.(%s)", strerror(-err));
 692                                 g_free(filename);
 693                                 END_TIMING();
 694                                 return;
 695                         }
 696
 697                         if (!prefs_common.resize_img) {
 698                                 pixbuf = gdk_pixbuf_new_from_file(filename, &error);
 699                         } else {
 700                                 gint w, h;
 701                                 gdk_pixbuf_get_file_info(filename, &w, &h);
 702                                 avail_width = textview->scrolledwin->allocation.width;
 703                                 avail_height = textview->scrolledwin->allocation.height;
 704                                 if (avail_width - 100 > 0 &&
 705                                     (w > avail_width || h > avail_height))
 706                                         pixbuf = gdk_pixbuf_new_from_file_at_scale(filename,
 707                                                 avail_width, avail_height, TRUE, &error);
 708                                 else
 709                                         pixbuf = gdk_pixbuf_new_from_file(filename, &error);
 710                         }
 711                         if (error != NULL) {
 712                                 g_warning("%s\n", error->message);
 713                                 g_error_free(error);
 714                         }
 715                         if (!pixbuf) {
 716                                 g_warning("Can't load the image.");
 717                                 g_free(filename);
 718                                 END_TIMING();
 719                                 return;
 720                         }
 721
 722                         uri_str = g_filename_to_uri(filename, NULL, NULL);
 723                         if (uri_str) {
 724                                 uri = g_new0(ClickableText, 1);
 725                                 uri->uri = uri_str;
 726                                 uri->start = gtk_text_iter_get_offset(&iter);
 727
 728                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 729
 730                                 uri->end = uri->start + 1;
 731                                 uri->filename = procmime_get_part_file_name(mimeinfo);
 732                                 textview->uri_list =
 733                                         g_slist_prepend(textview->uri_list, uri);
 734
 735                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 736                                 gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, uri->start);
 737                                 gtk_text_buffer_apply_tag_by_name(buffer, "link",
 738                                                 &start_iter, &iter);
 739                         } else {
 740                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 741                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 742                         }
 743
 744                         g_object_unref(pixbuf);
 745                         g_free(filename);
 746                         END_TIMING();
 747                         GTK_EVENTS_FLUSH();
 748                 }
 749         } else if (mimeinfo->type == MIMETYPE_TEXT) {
 750                 if (prefs_common.display_header && (charcount > 0))
 751                         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 752
 753                 textview_write_body(textview, mimeinfo);
 754         }
 755         END_TIMING();
 756 }
 757
 758 static void recursive_add_parts(TextView *textview, GNode *node)
 759 {
 760         GNode * iter;
 761         MimeInfo *mimeinfo;
 762         START_TIMING("");
 763
 764         mimeinfo = (MimeInfo *) node->data;
 765
 766         textview_add_part(textview, mimeinfo);
 767 #ifdef GENERIC_UMPC
 768         textview_set_position(textview, 0);
 769 #endif
 770         if ((mimeinfo->type != MIMETYPE_MULTIPART) &&
 771             (mimeinfo->type != MIMETYPE_MESSAGE)) {
 772                 END_TIMING();
 773                 return;
 774         }
 775         if (g_ascii_strcasecmp(mimeinfo->subtype, "alternative") == 0) {
 776                 GNode * prefered_body;
 777                 int prefered_score;
 778
 779                 /*
 780                   text/plain : score 3
 781                   text/ *    : score 2
 782                   other      : score 1
 783                 */
 784                 prefered_body = NULL;
 785                 prefered_score = 0;
 786
 787                 for (iter = g_node_first_child(node) ; iter != NULL ;
 788                      iter = g_node_next_sibling(iter)) {
 789                         int score;
 790                         MimeInfo * submime;
 791
 792                         score = 1;
 793                         submime = (MimeInfo *) iter->data;
 794                         if (submime->type == MIMETYPE_TEXT)
 795                                 score = 2;
 796
 797                         if (submime->subtype != NULL) {
 798                                 if (g_ascii_strcasecmp(submime->subtype, "plain") == 0)
 799                                         score = 3;
 800                         }
 801
 802                         if (score > prefered_score) {
 803                                 prefered_score = score;
 804                                 prefered_body = iter;
 805                         }
 806                 }
 807
 808                 if (prefered_body != NULL) {
 809                         recursive_add_parts(textview, prefered_body);
 810                 }
 811         }
 812         else {
 813                 for (iter = g_node_first_child(node) ; iter != NULL ;
 814                      iter = g_node_next_sibling(iter)) {
 815                         recursive_add_parts(textview, iter);
 816                 }
 817         }
 818         END_TIMING();
 819 }
 820
 821 static void textview_add_parts(TextView *textview, MimeInfo *mimeinfo)
 822 {
 823         g_return_if_fail(mimeinfo != NULL);
 824
 825         recursive_add_parts(textview, mimeinfo->node);
 826 }
 827
 828 void textview_show_error(TextView *textview)
 829 {
 830         GtkTextView *text;
 831         GtkTextBuffer *buffer;
 832         GtkTextIter iter;
 833
 834         textview_set_font(textview, NULL);
 835         textview_clear(textview);
 836
 837         text = GTK_TEXT_VIEW(textview->text);
 838         buffer = gtk_text_view_get_buffer(text);
 839         gtk_text_buffer_get_start_iter(buffer, &iter);
 840
 841         TEXTVIEW_INSERT(_("\n"
 842                       "  This message can't be displayed.\n"
 843                       "  This is probably due to a network error.\n"
 844                       "\n"
 845                       "  Use "));
 846         TEXTVIEW_INSERT_LINK(_("'View Log'"), "sc://view_log", NULL);
 847         TEXTVIEW_INSERT(_(" in the Tools menu for more information."));
 848         textview_show_icon(textview, GTK_STOCK_DIALOG_ERROR);
 849
 850 }
 851
 852 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
 853 {
 854         GtkTextView *text;
 855         GtkTextBuffer *buffer;
 856         GtkTextIter iter;
 857         const gchar *name;
 858         gchar *content_type;
 859
 860         if (!partinfo) return;
 861
 862         textview_set_font(textview, NULL);
 863         textview_clear(textview);
 864
 865         text = GTK_TEXT_VIEW(textview->text);
 866         buffer = gtk_text_view_get_buffer(text);
 867         gtk_text_buffer_get_start_iter(buffer, &iter);
 868
 869         TEXTVIEW_INSERT("\n");
 870
 871         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 872         if (name == NULL)
 873                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 874         if (name != NULL) {
 875                 content_type = procmime_get_content_type_str(partinfo->type,
 876                                                      partinfo->subtype);
 877                 TEXTVIEW_INSERT("  ");
 878                 TEXTVIEW_INSERT_BOLD(name);
 879                 TEXTVIEW_INSERT(" (");
 880                 TEXTVIEW_INSERT(content_type);
 881                 TEXTVIEW_INSERT(", ");
 882                 TEXTVIEW_INSERT(to_human_readable((goffset)partinfo->length));
 883                 TEXTVIEW_INSERT("):\n\n");
 884
 885                 g_free(content_type);
 886         }
 887         TEXTVIEW_INSERT(_("  The following can be performed on this part\n"));
 888 #ifndef GENERIC_UMPC
 889         TEXTVIEW_INSERT(_("  by right-clicking the icon or list item:"));
 890 #endif
 891         TEXTVIEW_INSERT("\n");
 892
 893         TEXTVIEW_INSERT(_("     - To save, select "));
 894         TEXTVIEW_INSERT_LINK(_("'Save as...'"), "sc://save_as", NULL);
 895 #ifndef GENERIC_UMPC
 896         TEXTVIEW_INSERT(_(" (Shortcut key: 'y')"));
 897 #endif
 898         TEXTVIEW_INSERT("\n");
 899
 900         TEXTVIEW_INSERT(_("     - To display as text, select "));
 901         TEXTVIEW_INSERT_LINK(_("'Display as text'"), "sc://display_as_text", NULL);
 902
 903 #ifndef GENERIC_UMPC
 904         TEXTVIEW_INSERT(_(" (Shortcut key: 't')"));
 905 #endif
 906         TEXTVIEW_INSERT("\n");
 907
 908         TEXTVIEW_INSERT(_("     - To open with an external program, select "));
 909         TEXTVIEW_INSERT_LINK(_("'Open'"), "sc://open", NULL);
 910
 911 #ifndef GENERIC_UMPC
 912         TEXTVIEW_INSERT(_(" (Shortcut key: 'l')\n"));
 913         TEXTVIEW_INSERT(_("       (alternately double-click, or click the middle "));
 914         TEXTVIEW_INSERT(_("mouse button)\n"));
 915         TEXTVIEW_INSERT(_("     - Or use "));
 916         TEXTVIEW_INSERT_LINK(_("'Open with...'"), "sc://open_with", NULL);
 917         TEXTVIEW_INSERT(_(" (Shortcut key: 'o')"));
 918 #endif
 919         TEXTVIEW_INSERT("\n");
 920
 921         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
 922 }
 923
 924 static void textview_write_body(TextView *textview, MimeInfo *mimeinfo)
 925 {
 926         FILE *tmpfp;
 927         gchar buf[BUFFSIZE];
 928         CodeConverter *conv;
 929         const gchar *charset, *p, *cmd;
 930         GSList *cur;
 931         gboolean continue_write = TRUE;
 932         size_t wrote = 0, i = 0;
 933
 934         if (textview->messageview->forced_charset)
 935                 charset = textview->messageview->forced_charset;
 936         else
 937                 charset = procmime_mimeinfo_get_parameter(mimeinfo, "charset");
 938
 939         textview_set_font(textview, charset);
 940
 941         conv = conv_code_converter_new(charset);
 942
 943         procmime_force_encoding(textview->messageview->forced_encoding);
 944
 945         textview->is_in_signature = FALSE;
 946
 947         procmime_decode_content(mimeinfo);
 948
 949         if (!g_ascii_strcasecmp(mimeinfo->subtype, "html") &&
 950             prefs_common.render_html) {
 951                 gchar *filename;
 952
 953                 filename = procmime_get_tmp_file_name(mimeinfo);
 954                 if (procmime_get_part(filename, mimeinfo) == 0) {
 955                         tmpfp = g_fopen(filename, "rb");
 956                         textview_show_html(textview, tmpfp, conv);
 957                         fclose(tmpfp);
 958                         claws_unlink(filename);
 959                 }
 960                 g_free(filename);
 961         } else if (!g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
 962                 gchar *filename;
 963
 964                 filename = procmime_get_tmp_file_name(mimeinfo);
 965                 if (procmime_get_part(filename, mimeinfo) == 0) {
 966                         tmpfp = g_fopen(filename, "rb");
 967                         textview_show_ertf(textview, tmpfp, conv);
 968                         fclose(tmpfp);
 969                         claws_unlink(filename);
 970                 }
 971                 g_free(filename);
 972 #ifndef G_OS_WIN32
 973         } else if ( g_ascii_strcasecmp(mimeinfo->subtype, "plain") &&
 974                    (cmd = prefs_common.mime_textviewer) && *cmd &&
 975                    (p = strchr(cmd, '%')) && *(p + 1) == 's') {
 976                 int pid, pfd[2];
 977                 const gchar *fname;
 978
 979                 fname  = procmime_get_tmp_file_name(mimeinfo);
 980                 if (procmime_get_part(fname, mimeinfo)) goto textview_default;
 981
 982                 g_snprintf(buf, sizeof(buf), cmd, fname);
 983                 debug_print("Viewing text content of type: %s (length: %d) "
 984                         "using %s\n", mimeinfo->subtype, mimeinfo->length, buf);
 985
 986                 if (pipe(pfd) < 0) {
 987                         g_snprintf(buf, sizeof(buf),
 988                                 "pipe failed for textview\n\n%s\n", strerror(errno));
 989                         textview_write_line(textview, buf, conv, TRUE);
 990                         goto textview_default;
 991                 }
 992                 pid = fork();
 993                 if (pid < 0) {
 994                         g_snprintf(buf, sizeof(buf),
 995                                 "fork failed for textview\n\n%s\n", strerror(errno));
 996                         textview_write_line(textview, buf, conv, TRUE);
 997                         close(pfd[0]);
 998                         close(pfd[1]);
 999                         goto textview_default;
1000                 }
1001                 if (pid == 0) { /* child */
1002                         int rc;
1003                         gchar **argv;
1004                         argv = strsplit_with_quote(buf, " ", 0);
1005                         close(1);
1006                         close(pfd[0]);
1007                         dup(pfd[1]);
1008                         rc = execvp(argv[0], argv);
1009                         close(pfd[1]);
1010                         g_print(_("The command to view attachment "
1011                                 "as text failed:\n"
1012                                 "    %s\n"
1013                                 "Exit code %d\n"), buf, rc);
1014                         exit(255);
1015                 }
1016                 close(pfd[1]);
1017                 tmpfp = fdopen(pfd[0], "rb");
1018                 while (fgets(buf, sizeof(buf), tmpfp)) {
1019                         textview_write_line(textview, buf, conv, TRUE);
1020
1021                         if (textview->stop_loading) {
1022                                 fclose(tmpfp);
1023                                 waitpid(pid, pfd, 0);
1024                                 unlink(fname);
1025                                 return;
1026                         }
1027                 }
1028
1029                 fclose(tmpfp);
1030                 waitpid(pid, pfd, 0);
1031                 unlink(fname);
1032 #endif
1033         } else {
1034 textview_default:
1035                 if (mimeinfo->content == MIMECONTENT_MEM)
1036                         tmpfp = str_open_as_stream(mimeinfo->data.mem);
1037                 else
1038                         tmpfp = g_fopen(mimeinfo->data.filename, "rb");
1039                 if (!tmpfp) {
1040                         FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1041                         return;
1042                 }
1043                 fseek(tmpfp, mimeinfo->offset, SEEK_SET);
1044                 debug_print("Viewing text content of type: %s (length: %d)\n", mimeinfo->subtype, mimeinfo->length);
1045                 while (((i = ftell(tmpfp)) < mimeinfo->offset + mimeinfo->length) &&
1046                        (fgets(buf, sizeof(buf), tmpfp) != NULL)
1047                        && continue_write) {
1048                         textview_write_line(textview, buf, conv, TRUE);
1049                         if (textview->stop_loading) {
1050                                 fclose(tmpfp);
1051                                 return;
1052                         }
1053                         wrote += ftell(tmpfp)-i;
1054                         if (mimeinfo->length > 1024*1024
1055                         &&  wrote > 1024*1024
1056                         && !textview->messageview->show_full_text) {
1057                                 continue_write = FALSE;
1058                         }
1059                 }
1060                 fclose(tmpfp);
1061         }
1062
1063         conv_code_converter_destroy(conv);
1064         procmime_force_encoding(0);
1065
1066         textview->uri_list = g_slist_reverse(textview->uri_list);
1067         for (cur = textview->uri_list; cur; cur = cur->next) {
1068                 ClickableText *uri = (ClickableText *)cur->data;
1069                 if (!uri->is_quote)
1070                         continue;
1071                 if (!prefs_common.hide_quotes ||
1072                     uri->quote_level+1 < prefs_common.hide_quotes) {
1073                         textview_toggle_quote(textview, cur, uri, TRUE);
1074                         if (textview->stop_loading) {
1075                                 return;
1076                         }
1077                 }
1078         }
1079
1080         if (continue_write == FALSE) {
1081                 messageview_show_partial_display(
1082                         textview->messageview,
1083                         textview->messageview->msginfo,
1084                         mimeinfo->length);
1085         }
1086         GTK_EVENTS_FLUSH();
1087 }
1088
1089 static void textview_show_html(TextView *textview, FILE *fp,
1090                                CodeConverter *conv)
1091 {
1092         SC_HTMLParser *parser;
1093         gchar *str;
1094         gint lines = 0;
1095
1096         parser = sc_html_parser_new(fp, conv);
1097         g_return_if_fail(parser != NULL);
1098
1099         while ((str = sc_html_parse(parser)) != NULL) {
1100                 if (parser->state == SC_HTML_HREF) {
1101                         /* first time : get and copy the URL */
1102                         if (parser->href == NULL) {
1103                                 /* ALF - the claws html parser returns an empty string,
1104                                  * if still inside an <a>, but already parsed past HREF */
1105                                 str = strtok(str, " ");
1106                                 if (str) {
1107                                         while (str && *str && g_ascii_isspace(*str))
1108                                                 str++;
1109                                         parser->href = g_strdup(str);
1110                                         /* the URL may (or not) be followed by the
1111                                          * referenced text */
1112                                         str = strtok(NULL, "");
1113                                 }
1114                         }
1115                         if (str != NULL)
1116                                 textview_write_link(textview, str, parser->href, NULL);
1117                 } else
1118                         textview_write_line(textview, str, NULL, FALSE);
1119                 lines++;
1120                 if (lines % 500 == 0)
1121                         GTK_EVENTS_FLUSH();
1122                 if (textview->stop_loading) {
1123                         return;
1124                 }
1125         }
1126         textview_write_line(textview, "\n", NULL, FALSE);
1127         sc_html_parser_destroy(parser);
1128 }
1129
1130 static void textview_show_ertf(TextView *textview, FILE *fp,
1131                                CodeConverter *conv)
1132 {
1133         ERTFParser *parser;
1134         gchar *str;
1135         gint lines = 0;
1136
1137         parser = ertf_parser_new(fp, conv);
1138         g_return_if_fail(parser != NULL);
1139
1140         while ((str = ertf_parse(parser)) != NULL) {
1141                 textview_write_line(textview, str, NULL, FALSE);
1142                 lines++;
1143                 if (lines % 500 == 0)
1144                         GTK_EVENTS_FLUSH();
1145                 if (textview->stop_loading) {
1146                         return;
1147                 }
1148         }
1149
1150         ertf_parser_destroy(parser);
1151 }
1152
1153 #define ADD_TXT_POS(bp_, ep_, pti_) \
1154         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1155                 last = last->next; \
1156                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1157                 last->next = NULL; \
1158         } else { \
1159                 g_warning("alloc error scanning URIs\n"); \
1160                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, \
1161                                                          linebuf, -1, \
1162                                                          fg_tag, NULL); \
1163                 return; \
1164         }
1165
1166 #define ADD_TXT_POS_LATER(bp_, ep_, pti_) \
1167         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1168                 last = last->next; \
1169                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1170                 last->next = NULL; \
1171         } else { \
1172                 g_warning("alloc error scanning URIs\n"); \
1173         }
1174
1175 /* textview_make_clickable_parts() - colorizes clickable parts */
1176 static void textview_make_clickable_parts(TextView *textview,
1177                                           const gchar *fg_tag,
1178                                           const gchar *uri_tag,
1179                                           const gchar *linebuf,
1180                                           gboolean hdr)
1181 {
1182         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1183         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1184         GtkTextIter iter;
1185         gchar *mybuf = g_strdup(linebuf);
1186
1187         /* parse table - in order of priority */
1188         struct table {
1189                 const gchar *needle; /* token */
1190
1191                 /* token search function */
1192                 gchar    *(*search)     (const gchar *haystack,
1193                                          const gchar *needle);
1194                 /* part parsing function */
1195                 gboolean  (*parse)      (const gchar *start,
1196                                          const gchar *scanpos,
1197                                          const gchar **bp_,
1198                                          const gchar **ep_,
1199                                          gboolean hdr);
1200                 /* part to URI function */
1201                 gchar    *(*build_uri)  (const gchar *bp,
1202                                          const gchar *ep);
1203         };
1204
1205         static struct table parser[] = {
1206                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1207                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1208                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1209                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1210                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1211                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1212                 {"@",        strcasestr, get_email_part, make_email_string}
1213         };
1214         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1215
1216         gint  n;
1217         const gchar *walk, *bp, *ep;
1218
1219         struct txtpos {
1220                 const gchar     *bp, *ep;       /* text position */
1221                 gint             pti;           /* index in parse table */
1222                 struct txtpos   *next;          /* next */
1223         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1224
1225         if (!g_utf8_validate(linebuf, -1, NULL)) {
1226                 g_free(mybuf);
1227                 mybuf = g_malloc(strlen(linebuf)*2 +1);
1228                 conv_localetodisp(mybuf, strlen(linebuf)*2 +1, linebuf);
1229         }
1230
1231         gtk_text_buffer_get_end_iter(buffer, &iter);
1232
1233         /* parse for clickable parts, and build a list of begin and end positions  */
1234         for (walk = mybuf, n = 0;;) {
1235                 gint last_index = PARSE_ELEMS;
1236                 gchar *scanpos = NULL;
1237
1238                 /* FIXME: this looks phony. scanning for anything in the parse table */
1239                 for (n = 0; n < PARSE_ELEMS; n++) {
1240                         gchar *tmp;
1241
1242                         tmp = parser[n].search(walk, parser[n].needle);
1243                         if (tmp) {
1244                                 if (scanpos == NULL || tmp < scanpos) {
1245                                         scanpos = tmp;
1246                                         last_index = n;
1247                                 }
1248                         }
1249                 }
1250
1251                 if (scanpos) {
1252                         /* check if URI can be parsed */
1253                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, hdr)
1254                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1255                                         ADD_TXT_POS(bp, ep, last_index);
1256                                         walk = ep;
1257                         } else
1258                                 walk = scanpos +
1259                                         strlen(parser[last_index].needle);
1260                 } else
1261                         break;
1262         }
1263
1264         /* colorize this line */
1265         if (head.next) {
1266                 const gchar *normal_text = mybuf;
1267
1268                 /* insert URIs */
1269                 for (last = head.next; last != NULL;
1270                      normal_text = last->ep, last = last->next) {
1271                         ClickableText *uri;
1272                         uri = g_new0(ClickableText, 1);
1273                         if (last->bp - normal_text > 0)
1274                                 gtk_text_buffer_insert_with_tags_by_name
1275                                         (buffer, &iter,
1276                                          normal_text,
1277                                          last->bp - normal_text,
1278                                          fg_tag, NULL);
1279                         uri->uri = parser[last->pti].build_uri(last->bp,
1280                                                                last->ep);
1281                         uri->start = gtk_text_iter_get_offset(&iter);
1282                         gtk_text_buffer_insert_with_tags_by_name
1283                                 (buffer, &iter, last->bp, last->ep - last->bp,
1284                                  uri_tag, fg_tag, NULL);
1285                         uri->end = gtk_text_iter_get_offset(&iter);
1286                         uri->filename = NULL;
1287                         textview->uri_list =
1288                                 g_slist_prepend(textview->uri_list, uri);
1289                 }
1290
1291                 if (*normal_text)
1292                         gtk_text_buffer_insert_with_tags_by_name
1293                                 (buffer, &iter, normal_text, -1, fg_tag, NULL);
1294         } else {
1295                 gtk_text_buffer_insert_with_tags_by_name
1296                         (buffer, &iter, mybuf, -1, fg_tag, NULL);
1297         }
1298         g_free(mybuf);
1299 }
1300
1301 /* textview_make_clickable_parts() - colorizes clickable parts */
1302 static void textview_make_clickable_parts_later(TextView *textview,
1303                                           gint start, gint end)
1304 {
1305         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1306         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1307         GtkTextIter start_iter, end_iter;
1308         gchar *mybuf;
1309         gint offset = 0;
1310         /* parse table - in order of priority */
1311         struct table {
1312                 const gchar *needle; /* token */
1313
1314                 /* token search function */
1315                 gchar    *(*search)     (const gchar *haystack,
1316                                          const gchar *needle);
1317                 /* part parsing function */
1318                 gboolean  (*parse)      (const gchar *start,
1319                                          const gchar *scanpos,
1320                                          const gchar **bp_,
1321                                          const gchar **ep_,
1322                                          gboolean hdr);
1323                 /* part to URI function */
1324                 gchar    *(*build_uri)  (const gchar *bp,
1325                                          const gchar *ep);
1326         };
1327
1328         static struct table parser[] = {
1329                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1330                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1331                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1332                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1333                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1334                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1335                 {"@",        strcasestr, get_email_part, make_email_string}
1336         };
1337         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1338
1339         gint  n;
1340         const gchar *walk, *bp, *ep;
1341
1342         struct txtpos {
1343                 const gchar     *bp, *ep;       /* text position */
1344                 gint             pti;           /* index in parse table */
1345                 struct txtpos   *next;          /* next */
1346         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1347
1348         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start);
1349         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end);
1350         mybuf = gtk_text_buffer_get_text(buffer, &start_iter, &end_iter, FALSE);
1351         offset = gtk_text_iter_get_offset(&start_iter);
1352
1353         /* parse for clickable parts, and build a list of begin and end positions  */
1354         for (walk = mybuf, n = 0;;) {
1355                 gint last_index = PARSE_ELEMS;
1356                 gchar *scanpos = NULL;
1357
1358                 /* FIXME: this looks phony. scanning for anything in the parse table */
1359                 for (n = 0; n < PARSE_ELEMS; n++) {
1360                         gchar *tmp;
1361
1362                         tmp = parser[n].search(walk, parser[n].needle);
1363                         if (tmp) {
1364                                 if (scanpos == NULL || tmp < scanpos) {
1365                                         scanpos = tmp;
1366                                         last_index = n;
1367                                 }
1368                         }
1369                 }
1370
1371                 if (scanpos) {
1372                         /* check if URI can be parsed */
1373                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, FALSE)
1374                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1375                                         ADD_TXT_POS_LATER(bp, ep, last_index);
1376                                         walk = ep;
1377                         } else
1378                                 walk = scanpos +
1379                                         strlen(parser[last_index].needle);
1380                 } else
1381                         break;
1382         }
1383
1384         /* colorize this line */
1385         if (head.next) {
1386                 /* insert URIs */
1387                 for (last = head.next; last != NULL; last = last->next) {
1388                         ClickableText *uri;
1389                         gint start_offset, end_offset;
1390                         gchar *tmp_str;
1391                         gchar old_char;
1392                         uri = g_new0(ClickableText, 1);
1393                         uri->uri = parser[last->pti].build_uri(last->bp,
1394                                                                last->ep);
1395
1396                         tmp_str = mybuf;
1397                         old_char = tmp_str[last->ep - mybuf];
1398                         tmp_str[last->ep - mybuf] = '\0';
1399                         end_offset = g_utf8_strlen(tmp_str, -1);
1400                         tmp_str[last->ep - mybuf] = old_char;
1401
1402                         old_char = tmp_str[last->bp - mybuf];
1403                         tmp_str[last->bp - mybuf] = '\0';
1404                         start_offset = g_utf8_strlen(tmp_str, -1);
1405                         tmp_str[last->bp - mybuf] = old_char;
1406
1407                         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start_offset + offset);
1408                         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end_offset + offset);
1409
1410                         uri->start = gtk_text_iter_get_offset(&start_iter);
1411
1412                         gtk_text_buffer_apply_tag_by_name(buffer, "link", &start_iter, &end_iter);
1413
1414                         uri->end = gtk_text_iter_get_offset(&end_iter);
1415                         uri->filename = NULL;
1416                         textview->uri_list =
1417                                 g_slist_prepend(textview->uri_list, uri);
1418                 }
1419         }
1420
1421         g_free(mybuf);
1422 }
1423
1424 #undef ADD_TXT_POS
1425
1426 static void textview_write_line(TextView *textview, const gchar *str,
1427                                 CodeConverter *conv, gboolean do_quote_folding)
1428 {
1429         GtkTextView *text;
1430         GtkTextBuffer *buffer;
1431         GtkTextIter iter;
1432         gchar buf[BUFFSIZE];
1433         gchar *fg_color;
1434         gint quotelevel = -1, real_quotelevel = -1;
1435         gchar quote_tag_str[10];
1436
1437         text = GTK_TEXT_VIEW(textview->text);
1438         buffer = gtk_text_view_get_buffer(text);
1439         gtk_text_buffer_get_end_iter(buffer, &iter);
1440
1441         if (!conv)
1442                 strncpy2(buf, str, sizeof(buf));
1443         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1444                 conv_localetodisp(buf, sizeof(buf), str);
1445
1446         strcrchomp(buf);
1447         fg_color = NULL;
1448
1449         /* change color of quotation
1450            >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
1451            Up to 3 levels of quotations are detected, and each
1452            level is colored using a different color. */
1453         if (prefs_common.enable_color
1454             && line_has_quote_char(buf, prefs_common.quote_chars)) {
1455                 real_quotelevel = get_quote_level(buf, prefs_common.quote_chars);
1456                 quotelevel = real_quotelevel;
1457                 /* set up the correct foreground color */
1458                 if (quotelevel > 2) {
1459                         /* recycle colors */
1460                         if (prefs_common.recycle_quote_colors)
1461                                 quotelevel %= 3;
1462                         else
1463                                 quotelevel = 2;
1464                 }
1465         }
1466
1467         if (quotelevel == -1)
1468                 fg_color = NULL;
1469         else {
1470                 g_snprintf(quote_tag_str, sizeof(quote_tag_str),
1471                            "quote%d", quotelevel);
1472                 fg_color = quote_tag_str;
1473         }
1474
1475         if (prefs_common.enable_color &&
1476             (strcmp(buf,"-- \n") == 0 || strcmp(buf, "- -- \n") == 0 || textview->is_in_signature)) {
1477                 fg_color = "signature";
1478                 textview->is_in_signature = TRUE;
1479         }
1480
1481         if (real_quotelevel > -1 && do_quote_folding) {
1482                 if (!g_utf8_validate(buf, -1, NULL)) {
1483                         gchar *utf8buf = NULL;
1484                         utf8buf = g_malloc(BUFFSIZE);
1485                         conv_localetodisp(utf8buf, BUFFSIZE, buf);
1486                         strncpy2(buf, utf8buf, BUFFSIZE-1);
1487                         g_free(utf8buf);
1488                 }
1489 do_quote:
1490                 if ( textview->prev_quote_level != real_quotelevel ) {
1491                         ClickableText *uri;
1492                         uri = g_new0(ClickableText, 1);
1493                         uri->uri = g_strdup("");
1494                         uri->data = g_strdup(buf);
1495                         uri->start = gtk_text_iter_get_offset(&iter);
1496                         uri->is_quote = TRUE;
1497                         uri->quote_level = real_quotelevel;
1498                         uri->fg_color = g_strdup(fg_color);
1499
1500                         gtk_text_buffer_insert_with_tags_by_name
1501                                         (buffer, &iter, " [...]", -1,
1502                                          "qlink", fg_color, NULL);
1503                         uri->end = gtk_text_iter_get_offset(&iter);
1504                         gtk_text_buffer_insert(buffer, &iter, "  \n", -1);
1505
1506                         uri->filename = NULL;
1507                         textview->uri_list =
1508                                 g_slist_prepend(textview->uri_list, uri);
1509
1510                         textview->prev_quote_level = real_quotelevel;
1511                 } else {
1512                         GSList *last = textview->uri_list;
1513                         ClickableText *lasturi = NULL;
1514                         gint e_len = 0, n_len = 0;
1515
1516                         if (textview->uri_list) {
1517                                 lasturi = (ClickableText *)last->data;
1518                         } else {
1519                                 g_print("oops (%d %d)\n",
1520                                         real_quotelevel, textview->prev_quote_level);
1521                         }
1522                         if (lasturi->is_quote == FALSE) {
1523                                 textview->prev_quote_level = -1;
1524                                 goto do_quote;
1525                         }
1526                         e_len = lasturi->data ? strlen(lasturi->data):0;
1527                         n_len = strlen(buf);
1528                         lasturi->data = g_realloc((gchar *)lasturi->data, e_len + n_len + 1);
1529                         strcpy((gchar *)lasturi->data + e_len, buf);
1530                         *((gchar *)lasturi->data + e_len + n_len) = '\0';
1531                 }
1532         } else {
1533                 textview_make_clickable_parts(textview, fg_color, "link", buf, FALSE);
1534                 textview->prev_quote_level = -1;
1535         }
1536 }
1537
1538 void textview_write_link(TextView *textview, const gchar *str,
1539                          const gchar *uri, CodeConverter *conv)
1540 {
1541         GdkColor *link_color = NULL;
1542         GtkTextView *text;
1543         GtkTextBuffer *buffer;
1544         GtkTextIter iter;
1545         gchar buf[BUFFSIZE];
1546         gchar *bufp;
1547         ClickableText *r_uri;
1548
1549         if (!str || *str == '\0')
1550                 return;
1551         if (!uri)
1552                 return;
1553
1554         while (uri && *uri && g_ascii_isspace(*uri))
1555                 uri++;
1556
1557         text = GTK_TEXT_VIEW(textview->text);
1558         buffer = gtk_text_view_get_buffer(text);
1559         gtk_text_buffer_get_end_iter(buffer, &iter);
1560
1561         if (!conv)
1562                 strncpy2(buf, str, sizeof(buf));
1563         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1564                 conv_utf8todisp(buf, sizeof(buf), str);
1565
1566         if (g_utf8_validate(buf, -1, NULL) == FALSE)
1567                 return;
1568
1569         strcrchomp(buf);
1570
1571         gtk_text_buffer_get_end_iter(buffer, &iter);
1572         for (bufp = buf; *bufp != '\0'; bufp = g_utf8_next_char(bufp)) {
1573                 gunichar ch;
1574
1575                 ch = g_utf8_get_char(bufp);
1576                 if (!g_unichar_isspace(ch))
1577                         break;
1578         }
1579         if (bufp > buf)
1580                 gtk_text_buffer_insert(buffer, &iter, buf, bufp - buf);
1581
1582         if (prefs_common.enable_color) {
1583                 link_color = &uri_color;
1584         }
1585         r_uri = g_new0(ClickableText, 1);
1586         r_uri->uri = g_strdup(uri);
1587         r_uri->start = gtk_text_iter_get_offset(&iter);
1588         gtk_text_buffer_insert_with_tags_by_name
1589                 (buffer, &iter, bufp, -1, "link", NULL);
1590         r_uri->end = gtk_text_iter_get_offset(&iter);
1591         r_uri->filename = NULL;
1592         textview->uri_list = g_slist_prepend(textview->uri_list, r_uri);
1593 }
1594
1595 static void textview_set_cursor(GdkWindow *window, GdkCursor *cursor)
1596 {
1597         if (GDK_IS_WINDOW(window))
1598                 gdk_window_set_cursor(window, cursor);
1599 }
1600 void textview_clear(TextView *textview)
1601 {
1602         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1603         GtkTextBuffer *buffer;
1604         GdkWindow *window = gtk_text_view_get_window(text,
1605                                 GTK_TEXT_WINDOW_TEXT);
1606
1607         buffer = gtk_text_view_get_buffer(text);
1608         gtk_text_buffer_set_text(buffer, "", -1);
1609
1610         TEXTVIEW_STATUSBAR_POP(textview);
1611         textview_uri_list_remove_all(textview->uri_list);
1612         textview->uri_list = NULL;
1613         textview->uri_hover = NULL;
1614         textview->prev_quote_level = -1;
1615
1616         textview->body_pos = 0;
1617         if (textview->image)
1618                 gtk_widget_destroy(textview->image);
1619         textview->image = NULL;
1620
1621         if (textview->messageview->mainwin->cursor_count == 0) {
1622                 textview_set_cursor(window, text_cursor);
1623         } else {
1624                 textview_set_cursor(window, watch_cursor);
1625         }
1626 }
1627
1628 void textview_destroy(TextView *textview)
1629 {
1630         GtkTextBuffer *buffer;
1631         GtkClipboard *clipboard;
1632
1633         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1634         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1635         gtk_text_buffer_remove_selection_clipboard(buffer, clipboard);
1636
1637         textview_uri_list_remove_all(textview->uri_list);
1638         textview->uri_list = NULL;
1639         textview->prev_quote_level = -1;
1640
1641         g_free(textview);
1642 }
1643
1644 void textview_set_all_headers(TextView *textview, gboolean all_headers)
1645 {
1646         textview->show_all_headers = all_headers;
1647 }
1648
1649 #define CHANGE_TAG_FONT(tagname, font) { \
1650         tag = gtk_text_tag_table_lookup(tags, tagname); \
1651         if (tag) \
1652                 g_object_set(G_OBJECT(tag), "font-desc", font, NULL); \
1653 }
1654
1655 void textview_set_font(TextView *textview, const gchar *codeset)
1656 {
1657         GtkTextTag *tag;
1658         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1659         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
1660         PangoFontDescription *font_desc, *bold_font_desc;
1661
1662         font_desc = pango_font_description_from_string
1663                                         (NORMAL_FONT);
1664         if (font_desc) {
1665                 gtk_widget_modify_font(textview->text, font_desc);
1666                 CHANGE_TAG_FONT("header", font_desc);
1667                 CHANGE_TAG_FONT("hlink", font_desc);
1668                 pango_font_description_free(font_desc);
1669         }
1670         if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
1671                 bold_font_desc = pango_font_description_from_string
1672                                                 (NORMAL_FONT);
1673                 if (bold_font_desc)
1674                         pango_font_description_set_weight
1675                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
1676         } else {
1677                 bold_font_desc = pango_font_description_from_string
1678                                                 (BOLD_FONT);
1679         }
1680         if (bold_font_desc) {
1681                 CHANGE_TAG_FONT("header_title", bold_font_desc);
1682                 pango_font_description_free(bold_font_desc);
1683         }
1684
1685         if (prefs_common.textfont) {
1686                 PangoFontDescription *font_desc;
1687
1688                 font_desc = pango_font_description_from_string
1689                                                 (prefs_common.textfont);
1690                 if (font_desc) {
1691                         gtk_widget_modify_font(textview->text, font_desc);
1692                         pango_font_description_free(font_desc);
1693                 }
1694         }
1695         gtk_text_view_set_pixels_above_lines(GTK_TEXT_VIEW(textview->text),
1696                                              prefs_common.line_space / 2);
1697         gtk_text_view_set_pixels_below_lines(GTK_TEXT_VIEW(textview->text),
1698                                              prefs_common.line_space / 2);
1699 }
1700
1701 void textview_set_text(TextView *textview, const gchar *text)
1702 {
1703         GtkTextView *view;
1704         GtkTextBuffer *buffer;
1705
1706         g_return_if_fail(textview != NULL);
1707         g_return_if_fail(text != NULL);
1708
1709         textview_clear(textview);
1710
1711         view = GTK_TEXT_VIEW(textview->text);
1712         buffer = gtk_text_view_get_buffer(view);
1713         gtk_text_buffer_set_text(buffer, text, strlen(text));
1714 }
1715
1716 enum
1717 {
1718         H_DATE          = 0,
1719         H_FROM          = 1,
1720         H_TO            = 2,
1721         H_NEWSGROUPS    = 3,
1722         H_SUBJECT       = 4,
1723         H_CC            = 5,
1724         H_REPLY_TO      = 6,
1725         H_FOLLOWUP_TO   = 7,
1726         H_X_MAILER      = 8,
1727         H_X_NEWSREADER  = 9,
1728         H_USER_AGENT    = 10,
1729         H_ORGANIZATION  = 11,
1730 };
1731
1732 void textview_set_position(TextView *textview, gint pos)
1733 {
1734         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1735
1736         gtkut_text_view_set_position(text, pos);
1737 }
1738
1739 static gboolean header_is_internal(Header *header)
1740 {
1741         const gchar *internal_hdrs[] =
1742                 {"AF:", "NF:", "PS:", "SRH:", "SFN:", "DSR:", "MID:",
1743                  "CFG:", "PT:", "S:", "RQ:", "SSV:", "NSV:", "SSH:",
1744                  "R:", "MAID:", "SCF:", "RMID:", "FMID:", "NAID:",
1745                  "X-Claws-Account-Id:", "X-Claws-Sign:", "X-Claws-Encrypt:",
1746                  "X-Claws-Privacy-System:", "X-Claws-End-Special-Headers:",
1747                  "X-Sylpheed-Account-Id:", "X-Sylpheed-Sign:", "X-Sylpheed-Encrypt:",
1748                  "X-Sylpheed-Privacy-System:", "X-Sylpheed-End-Special-Headers:",
1749                  NULL};
1750         int i;
1751
1752         for (i = 0; internal_hdrs[i]; i++) {
1753                 if (!strcmp(header->name, internal_hdrs[i]))
1754                         return TRUE;
1755         }
1756         return FALSE;
1757 }
1758
1759 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1760 {
1761         gchar buf[BUFFSIZE];
1762         GPtrArray *headers, *sorted_headers;
1763         GSList *disphdr_list;
1764         Header *header;
1765         gint i;
1766
1767         g_return_val_if_fail(fp != NULL, NULL);
1768
1769         if (textview->show_all_headers) {
1770                 headers = procheader_get_header_array_asis(fp);
1771                 sorted_headers = g_ptr_array_new();
1772                 for (i = 0; i < headers->len; i++) {
1773                         header = g_ptr_array_index(headers, i);
1774                         if (!header_is_internal(header))
1775                                 g_ptr_array_add(sorted_headers, header);
1776                         else
1777                                 procheader_header_free(header);
1778                 }
1779                 g_ptr_array_free(headers, TRUE);
1780                 return sorted_headers;
1781         }
1782
1783         if (!prefs_common.display_header) {
1784                 while (fgets(buf, sizeof(buf), fp) != NULL)
1785                         if (buf[0] == '\r' || buf[0] == '\n') break;
1786                 return NULL;
1787         }
1788
1789         headers = procheader_get_header_array_asis(fp);
1790
1791         sorted_headers = g_ptr_array_new();
1792
1793         for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1794              disphdr_list = disphdr_list->next) {
1795                 DisplayHeaderProp *dp =
1796                         (DisplayHeaderProp *)disphdr_list->data;
1797
1798                 for (i = 0; i < headers->len; i++) {
1799                         header = g_ptr_array_index(headers, i);
1800
1801                         if (procheader_headername_equal(header->name,
1802                                                         dp->name)) {
1803                                 if (dp->hidden)
1804                                         procheader_header_free(header);
1805                                 else
1806                                         g_ptr_array_add(sorted_headers, header);
1807
1808                                 g_ptr_array_remove_index(headers, i);
1809                                 i--;
1810                         }
1811                 }
1812         }
1813
1814         if (prefs_common.show_other_header) {
1815                 for (i = 0; i < headers->len; i++) {
1816                         header = g_ptr_array_index(headers, i);
1817                         if (!header_is_internal(header)) {
1818                                 g_ptr_array_add(sorted_headers, header);
1819                         } else {
1820                                 procheader_header_free(header);
1821                         }
1822                 }
1823                 g_ptr_array_free(headers, TRUE);
1824         } else
1825                 procheader_header_array_destroy(headers);
1826
1827
1828         return sorted_headers;
1829 }
1830
1831 static void textview_show_face(TextView *textview)
1832 {
1833         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1834         MsgInfo *msginfo = textview->messageview->msginfo;
1835         int x = 0;
1836
1837         if (prefs_common.display_header_pane
1838         ||  !prefs_common.display_xface)
1839                 goto bail;
1840
1841         if (!msginfo->extradata || !msginfo->extradata->face) {
1842                 goto bail;
1843         }
1844
1845         if (textview->image)
1846                 gtk_widget_destroy(textview->image);
1847
1848         textview->image = face_get_from_header(msginfo->extradata->face);
1849         g_return_if_fail(textview->image != NULL);
1850
1851         gtk_widget_show(textview->image);
1852
1853         x = textview->text->allocation.width - WIDTH -5;
1854
1855         gtk_text_view_add_child_in_window(text, textview->image,
1856                 GTK_TEXT_WINDOW_TEXT, x, 5);
1857
1858         gtk_widget_show_all(textview->text);
1859
1860
1861         return;
1862 bail:
1863         if (textview->image)
1864                 gtk_widget_destroy(textview->image);
1865         textview->image = NULL;
1866 }
1867
1868 void textview_show_icon(TextView *textview, const gchar *stock_id)
1869 {
1870         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1871         int x = 0;
1872
1873         if (textview->image)
1874                 gtk_widget_destroy(textview->image);
1875
1876         textview->image = gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_DIALOG);
1877         g_return_if_fail(textview->image != NULL);
1878
1879         gtk_widget_show(textview->image);
1880
1881         x = textview->text->allocation.width - WIDTH -5;
1882
1883         gtk_text_view_add_child_in_window(text, textview->image,
1884                 GTK_TEXT_WINDOW_TEXT, x, 5);
1885
1886         gtk_widget_show_all(textview->text);
1887
1888
1889         return;
1890 }
1891
1892 #if HAVE_LIBCOMPFACE
1893 static void textview_show_xface(TextView *textview)
1894 {
1895         MsgInfo *msginfo = textview->messageview->msginfo;
1896         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1897         int x = 0;
1898         GdkWindow *window = NULL;
1899
1900         if (prefs_common.display_header_pane
1901         ||  !prefs_common.display_xface)
1902                 goto bail;
1903
1904         if (!msginfo || !msginfo->extradata)
1905                 goto bail;
1906
1907         if (msginfo->extradata->face)
1908                 return;
1909
1910         if (!msginfo->extradata->xface || strlen(msginfo->extradata->xface) < 5) {
1911                 goto bail;
1912         }
1913
1914         if (textview->image)
1915                 gtk_widget_destroy(textview->image);
1916
1917         window = mainwindow_get_mainwindow() ?
1918                         mainwindow_get_mainwindow()->window->window :
1919                         textview->text->window;
1920         textview->image = xface_get_from_header(msginfo->extradata->xface,
1921                                 &textview->text->style->white,
1922                                 window);
1923         g_return_if_fail(textview->image != NULL);
1924
1925         gtk_widget_show(textview->image);
1926
1927         x = textview->text->allocation.width - WIDTH -5;
1928
1929         gtk_text_view_add_child_in_window(text, textview->image,
1930                 GTK_TEXT_WINDOW_TEXT, x, 5);
1931
1932         gtk_widget_show_all(textview->text);
1933
1934         return;
1935 bail:
1936         if (textview->image)
1937                 gtk_widget_destroy(textview->image);
1938         textview->image = NULL;
1939
1940 }
1941 #endif
1942
1943 static void textview_save_contact_pic(TextView *textview)
1944 {
1945         MsgInfo *msginfo = textview->messageview->msginfo;
1946         gchar *filename = NULL;
1947         GError *error = NULL;
1948         GdkPixbuf *picture = NULL;
1949
1950         if (!msginfo->extradata || (!msginfo->extradata->face && !msginfo->extradata->xface))
1951                 return;
1952
1953         if (textview->image)
1954                 picture = gtk_image_get_pixbuf(GTK_IMAGE(textview->image));
1955
1956         filename = addrindex_get_picture_file(msginfo->from);
1957         if (!filename)
1958                 return;
1959         if (!is_file_exist(filename)) {
1960                 gdk_pixbuf_save(picture, filename, "png", &error, NULL);
1961                 if (error) {
1962                         g_warning(_("Failed to save image: \n%s"),
1963                                         error->message);
1964                         g_error_free(error);
1965                 }
1966         }
1967         g_free(filename);
1968 }
1969
1970 static void textview_show_contact_pic(TextView *textview)
1971 {
1972         MsgInfo *msginfo = textview->messageview->msginfo;
1973         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1974         int x = 0;
1975         gchar *filename = NULL;
1976         GError *error = NULL;
1977         GdkPixbuf *picture = NULL;
1978         gint w, h;
1979
1980         if (prefs_common.display_header_pane
1981         ||  !prefs_common.display_xface)
1982                 goto bail;
1983
1984         if (msginfo->extradata && (msginfo->extradata->face || msginfo->extradata->xface))
1985                 return;
1986
1987         if (textview->image)
1988                 gtk_widget_destroy(textview->image);
1989
1990         filename = addrindex_get_picture_file(msginfo->from);
1991
1992         if (!filename)
1993                 goto bail;
1994         if (!is_file_exist(filename)) {
1995                 g_free(filename);
1996                 goto bail;
1997         }
1998
1999         gdk_pixbuf_get_file_info(filename, &w, &h);
2000
2001         if (w > 48 || h > 48)
2002                 picture = gdk_pixbuf_new_from_file_at_scale(filename,
2003                                                 48, 48, TRUE, &error);
2004         else
2005                 picture = gdk_pixbuf_new_from_file(filename, &error);
2006
2007         if (error) {
2008                 debug_print("Failed to import image: \n%s",
2009                                 error->message);
2010                 g_error_free(error);
2011                 goto bail;
2012         }
2013         g_free(filename);
2014
2015         if (picture) {
2016                 textview->image = gtk_image_new_from_pixbuf(picture);
2017                 g_object_unref(picture);
2018         }
2019         g_return_if_fail(textview->image != NULL);
2020
2021         gtk_widget_show(textview->image);
2022
2023         x = textview->text->allocation.width - WIDTH -5;
2024
2025         gtk_text_view_add_child_in_window(text, textview->image,
2026                 GTK_TEXT_WINDOW_TEXT, x, 5);
2027
2028         gtk_widget_show_all(textview->text);
2029
2030         return;
2031 bail:
2032         if (textview->image)
2033                 gtk_widget_destroy(textview->image);
2034         textview->image = NULL;
2035
2036 }
2037
2038 static gint textview_tag_cmp_list(gconstpointer a, gconstpointer b)
2039 {
2040         gint id_a = GPOINTER_TO_INT(a);
2041         gint id_b = GPOINTER_TO_INT(b);
2042         const gchar *tag_a = tags_get_tag(id_a);
2043         const gchar *tag_b = tags_get_tag(id_b);
2044
2045         if (tag_a == NULL)
2046                 return tag_b == NULL ? 0:1;
2047
2048         if (tag_b == NULL)
2049                 return tag_a == NULL ? 0:1;
2050
2051         return g_utf8_collate(tag_a, tag_b);
2052 }
2053
2054
2055 static void textview_show_tags(TextView *textview)
2056 {
2057         MsgInfo *msginfo = textview->messageview->msginfo;
2058         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2059         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2060         GtkTextIter iter;
2061         ClickableText *uri;
2062         GSList *cur, *orig;
2063         gboolean found_tag = FALSE;
2064
2065         if (!msginfo->tags)
2066                 return;
2067
2068         cur = orig = g_slist_sort(g_slist_copy(msginfo->tags), textview_tag_cmp_list);
2069
2070         for (; cur; cur = cur->next) {
2071                 if (tags_get_tag(GPOINTER_TO_INT(cur->data)) != NULL) {
2072                         found_tag = TRUE;
2073                         break;
2074                 }
2075         }
2076         if (!found_tag) {
2077                 g_slist_free(orig);
2078                 return;
2079         }
2080
2081         gtk_text_buffer_get_end_iter (buffer, &iter);
2082         gtk_text_buffer_insert_with_tags_by_name(buffer,
2083                 &iter, _("Tags: "), -1,
2084                 "header_title", "header", "tags", NULL);
2085
2086         for (cur = orig; cur; cur = cur->next) {
2087                 const gchar *cur_tag = tags_get_tag(GPOINTER_TO_INT(cur->data));
2088                 if (!cur_tag)
2089                         continue;
2090                 uri = g_new0(ClickableText, 1);
2091                 uri->uri = g_strdup("");
2092                 uri->start = gtk_text_iter_get_offset(&iter);
2093                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
2094                         cur_tag, -1,
2095                         "link", "header", "tags", NULL);
2096                 uri->end = gtk_text_iter_get_offset(&iter);
2097                 uri->filename = g_strdup_printf("sc://search_tags:%s", cur_tag);
2098                 uri->data = NULL;
2099                 textview->uri_list =
2100                         g_slist_prepend(textview->uri_list, uri);
2101                 if (cur->next && tags_get_tag(GPOINTER_TO_INT(cur->next->data)))
2102                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, ", ", 2,
2103                                 "header", "tags", NULL);
2104                 else
2105                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, " ", 1,
2106                                 "header", "tags", NULL);
2107         }
2108         g_slist_free(orig);
2109
2110         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2111                 "header", "tags", NULL);
2112 }
2113
2114 static void textview_show_header(TextView *textview, GPtrArray *headers)
2115 {
2116         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2117         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2118         GtkTextIter iter;
2119         Header *header;
2120         gint i;
2121
2122         g_return_if_fail(headers != NULL);
2123
2124         for (i = 0; i < headers->len; i++) {
2125                 header = g_ptr_array_index(headers, i);
2126                 g_return_if_fail(header->name != NULL);
2127
2128                 gtk_text_buffer_get_end_iter (buffer, &iter);
2129                 if(prefs_common.trans_hdr == TRUE) {
2130                         gchar *hdr = g_strndup(header->name, strlen(header->name) - 1);
2131                         gchar *trans_hdr = gettext(hdr);
2132                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2133                                 &iter, trans_hdr, -1,
2134                                 "header_title", "header", NULL);
2135                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2136                                 &iter, ":", 1, "header_title", "header", NULL);
2137                         g_free(hdr);
2138                 } else {
2139                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2140                                 &iter, header->name,
2141                                 -1, "header_title", "header", NULL);
2142                 }
2143                 if (header->name[strlen(header->name) - 1] != ' ')
2144                 gtk_text_buffer_insert_with_tags_by_name
2145                                 (buffer, &iter, " ", 1,
2146                                  "header_title", "header", NULL);
2147
2148                 if (procheader_headername_equal(header->name, "Subject") ||
2149                     procheader_headername_equal(header->name, "From")    ||
2150                     procheader_headername_equal(header->name, "To")      ||
2151                     procheader_headername_equal(header->name, "Cc"))
2152                         unfold_line(header->body);
2153
2154                 if ((procheader_headername_equal(header->name, "X-Mailer") ||
2155                      procheader_headername_equal(header->name,
2156                                                  "X-Newsreader")) &&
2157                     (strstr(header->body, "Claws Mail") != NULL ||
2158                      strstr(header->body, "Sylpheed-Claws") != NULL)) {
2159                         gtk_text_buffer_get_end_iter (buffer, &iter);
2160                         gtk_text_buffer_insert_with_tags_by_name
2161                                 (buffer, &iter, header->body, -1,
2162                                  "header", "emphasis", NULL);
2163                 } else {
2164                         gboolean hdr =
2165                           procheader_headername_equal(header->name, "From") ||
2166                           procheader_headername_equal(header->name, "To") ||
2167                           procheader_headername_equal(header->name, "Cc") ||
2168                           procheader_headername_equal(header->name, "Bcc") ||
2169                           procheader_headername_equal(header->name, "Reply-To") ||
2170                           procheader_headername_equal(header->name, "Sender");
2171                         textview_make_clickable_parts(textview, "header",
2172                                                       "hlink", header->body,
2173                                                       hdr);
2174                 }
2175                 gtk_text_buffer_get_end_iter (buffer, &iter);
2176                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2177                                                          "header", NULL);
2178         }
2179
2180         textview_show_face(textview);
2181 #if HAVE_LIBCOMPFACE
2182         textview_show_xface(textview);
2183 #endif
2184         textview_save_contact_pic(textview);
2185         textview_show_contact_pic(textview);
2186 }
2187
2188 gboolean textview_search_string(TextView *textview, const gchar *str,
2189                                 gboolean case_sens)
2190 {
2191         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2192
2193         return gtkut_text_view_search_string(text, str, case_sens);
2194 }
2195
2196 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
2197                                          gboolean case_sens)
2198 {
2199         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2200
2201         return gtkut_text_view_search_string_backward(text, str, case_sens);
2202 }
2203
2204 void textview_scroll_one_line(TextView *textview, gboolean up)
2205 {
2206         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2207         GtkAdjustment *vadj = text->vadjustment;
2208
2209         gtkutils_scroll_one_line(GTK_WIDGET(text), vadj, up);
2210 }
2211
2212 gboolean textview_scroll_page(TextView *textview, gboolean up)
2213 {
2214         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2215         GtkAdjustment *vadj = text->vadjustment;
2216
2217         return gtkutils_scroll_page(GTK_WIDGET(text), vadj, up);
2218 }
2219
2220 #define KEY_PRESS_EVENT_STOP() \
2221         g_signal_stop_emission_by_name(G_OBJECT(widget), \
2222                                        "key_press_event");
2223
2224 static gint textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2225                                  TextView *textview)
2226 {
2227         SummaryView *summaryview = NULL;
2228         MessageView *messageview = textview->messageview;
2229
2230         if (!event) return FALSE;
2231         if (messageview->mainwin)
2232                 summaryview = messageview->mainwin->summaryview;
2233
2234         switch (event->keyval) {
2235         case GDK_Tab:
2236         case GDK_Home:
2237         case GDK_Left:
2238         case GDK_Up:
2239         case GDK_Right:
2240         case GDK_Down:
2241         case GDK_Page_Up:
2242         case GDK_Page_Down:
2243         case GDK_End:
2244         case GDK_Control_L:
2245         case GDK_Control_R:
2246                 return FALSE;
2247         case GDK_space:
2248                 if (summaryview)
2249                         summary_pass_key_press_event(summaryview, event);
2250                 else
2251                         mimeview_scroll_page
2252                                 (messageview->mimeview,
2253                                  (event->state &
2254                                   (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2255                 break;
2256         case GDK_BackSpace:
2257                 mimeview_scroll_page(messageview->mimeview, TRUE);
2258                 break;
2259         case GDK_Return:
2260         case GDK_KP_Enter:
2261                 mimeview_scroll_one_line
2262                         (messageview->mimeview, (event->state &
2263                                     (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2264                 break;
2265         case GDK_Delete:
2266                 if (summaryview)
2267                         summary_pass_key_press_event(summaryview, event);
2268                 break;
2269         case GDK_y:
2270         case GDK_t:
2271         case GDK_l:
2272         case GDK_o:
2273         case GDK_c:
2274         case GDK_a:
2275                 if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) == 0) {
2276                         KEY_PRESS_EVENT_STOP();
2277                         mimeview_pass_key_press_event(messageview->mimeview,
2278                                                       event);
2279                         break;
2280                 }
2281                 /* possible fall through */
2282         default:
2283                 if (summaryview &&
2284                     event->window != messageview->mainwin->window->window) {
2285                         GdkEventKey tmpev = *event;
2286
2287                         tmpev.window = messageview->mainwin->window->window;
2288                         KEY_PRESS_EVENT_STOP();
2289                         gtk_widget_event(messageview->mainwin->window,
2290                                          (GdkEvent *)&tmpev);
2291                 }
2292                 break;
2293         }
2294
2295         return TRUE;
2296 }
2297
2298 static gboolean textview_motion_notify(GtkWidget *widget,
2299                                        GdkEventMotion *event,
2300                                        TextView *textview)
2301 {
2302         if (textview->loading)
2303                 return FALSE;
2304         textview_uri_update(textview, event->x, event->y);
2305         gdk_window_get_pointer(widget->window, NULL, NULL, NULL);
2306
2307         return FALSE;
2308 }
2309
2310 static gboolean textview_leave_notify(GtkWidget *widget,
2311                                       GdkEventCrossing *event,
2312                                       TextView *textview)
2313 {
2314         if (textview->loading)
2315                 return FALSE;
2316         textview_uri_update(textview, -1, -1);
2317
2318         return FALSE;
2319 }
2320
2321 static gboolean textview_visibility_notify(GtkWidget *widget,
2322                                            GdkEventVisibility *event,
2323                                            TextView *textview)
2324 {
2325         gint wx, wy;
2326         GdkWindow *window;
2327
2328         if (textview->loading)
2329                 return FALSE;
2330
2331         window = gtk_text_view_get_window(GTK_TEXT_VIEW(widget),
2332                                           GTK_TEXT_WINDOW_TEXT);
2333
2334         /* check if occurred for the text window part */
2335         if (window != event->window)
2336                 return FALSE;
2337
2338         gdk_window_get_pointer(widget->window, &wx, &wy, NULL);
2339         textview_uri_update(textview, wx, wy);
2340
2341         return FALSE;
2342 }
2343
2344 void textview_cursor_wait(TextView *textview)
2345 {
2346         GdkWindow *window = gtk_text_view_get_window(
2347                         GTK_TEXT_VIEW(textview->text),
2348                         GTK_TEXT_WINDOW_TEXT);
2349         textview_set_cursor(window, watch_cursor);
2350 }
2351
2352 void textview_cursor_normal(TextView *textview)
2353 {
2354         GdkWindow *window = gtk_text_view_get_window(
2355                         GTK_TEXT_VIEW(textview->text),
2356                         GTK_TEXT_WINDOW_TEXT);
2357         textview_set_cursor(window, text_cursor);
2358 }
2359
2360 static void textview_uri_update(TextView *textview, gint x, gint y)
2361 {
2362         GtkTextBuffer *buffer;
2363         GtkTextIter start_iter, end_iter;
2364         ClickableText *uri = NULL;
2365
2366         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2367
2368         if (x != -1 && y != -1) {
2369                 gint bx, by;
2370                 GtkTextIter iter;
2371                 GSList *tags;
2372                 GSList *cur;
2373
2374                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview->text),
2375                                                       GTK_TEXT_WINDOW_WIDGET,
2376                                                       x, y, &bx, &by);
2377                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview->text),
2378                                                    &iter, bx, by);
2379
2380                 tags = gtk_text_iter_get_tags(&iter);
2381                 for (cur = tags; cur != NULL; cur = cur->next) {
2382                         GtkTextTag *tag = cur->data;
2383                         char *name;
2384
2385                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
2386
2387                         if ((!strcmp(name, "link") || !strcmp(name, "hlink"))
2388                             && textview_get_uri_range(textview, &iter, tag,
2389                                                       &start_iter, &end_iter)) {
2390
2391                                 uri = textview_get_uri_from_range(textview,
2392                                                                   &iter, tag,
2393                                                                   &start_iter,
2394                                                                   &end_iter);
2395                         }
2396                         g_free(name);
2397                         if (uri)
2398                                 break;
2399                 }
2400                 g_slist_free(tags);
2401         }
2402
2403         if (uri != textview->uri_hover) {
2404                 GdkWindow *window;
2405
2406                 if (textview->uri_hover)
2407                         gtk_text_buffer_remove_tag_by_name(buffer,
2408                                                            "link-hover",
2409                                                            &textview->uri_hover_start_iter,
2410                                                            &textview->uri_hover_end_iter);
2411
2412                 textview->uri_hover = uri;
2413                 if (uri) {
2414                         textview->uri_hover_start_iter = start_iter;
2415                         textview->uri_hover_end_iter = end_iter;
2416                 }
2417
2418                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview->text),
2419                                                   GTK_TEXT_WINDOW_TEXT);
2420                 if (textview->messageview->mainwin->cursor_count == 0) {
2421                         textview_set_cursor(window, uri ? hand_cursor : text_cursor);
2422                 } else {
2423                         textview_set_cursor(window, watch_cursor);
2424                 }
2425
2426                 TEXTVIEW_STATUSBAR_POP(textview);
2427
2428                 if (uri) {
2429                         char *trimmed_uri;
2430
2431                         if (!uri->is_quote)
2432                                 gtk_text_buffer_apply_tag_by_name(buffer,
2433                                                           "link-hover",
2434                                                           &start_iter,
2435                                                           &end_iter);
2436
2437                         trimmed_uri = trim_string(uri->uri, 60);
2438                         TEXTVIEW_STATUSBAR_PUSH(textview, trimmed_uri);
2439                         g_free(trimmed_uri);
2440                 }
2441         }
2442 }
2443
2444 static gboolean textview_get_uri_range(TextView *textview,
2445                                        GtkTextIter *iter,
2446                                        GtkTextTag *tag,
2447                                        GtkTextIter *start_iter,
2448                                        GtkTextIter *end_iter)
2449 {
2450         return get_tag_range(iter, tag, start_iter, end_iter);
2451 }
2452
2453 static ClickableText *textview_get_uri_from_range(TextView *textview,
2454                                               GtkTextIter *iter,
2455                                               GtkTextTag *tag,
2456                                               GtkTextIter *start_iter,
2457                                               GtkTextIter *end_iter)
2458 {
2459         gint start_pos, end_pos, cur_pos;
2460         ClickableText *uri = NULL;
2461         GSList *cur;
2462
2463         start_pos = gtk_text_iter_get_offset(start_iter);
2464         end_pos = gtk_text_iter_get_offset(end_iter);
2465         cur_pos = gtk_text_iter_get_offset(iter);
2466
2467         for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
2468                 ClickableText *uri_ = (ClickableText *)cur->data;
2469                 if (start_pos == uri_->start &&
2470                     end_pos ==  uri_->end) {
2471                         uri = uri_;
2472                         break;
2473                 }
2474         }
2475         for (cur = textview->uri_list; uri == NULL && cur != NULL; cur = cur->next) {
2476                 ClickableText *uri_ = (ClickableText *)cur->data;
2477                 if (start_pos == uri_->start ||
2478                            end_pos == uri_->end) {
2479                         /* in case of contiguous links, textview_get_uri_range
2480                          * returns a broader range (start of 1st link to end
2481                          * of last link).
2482                          * In that case, correct link is the one covering
2483                          * current iter.
2484                          */
2485                         if (uri_->start <= cur_pos && cur_pos <= uri_->end) {
2486                                 uri = uri_;
2487                                 break;
2488                         }
2489                 }
2490         }
2491
2492         return uri;
2493 }
2494
2495 static ClickableText *textview_get_uri(TextView *textview,
2496                                    GtkTextIter *iter,
2497                                    GtkTextTag *tag)
2498 {
2499         GtkTextIter start_iter, end_iter;
2500         ClickableText *uri = NULL;
2501
2502         if (textview_get_uri_range(textview, iter, tag, &start_iter,
2503                                    &end_iter))
2504                 uri = textview_get_uri_from_range(textview, iter, tag,
2505                                                   &start_iter, &end_iter);
2506
2507         return uri;
2508 }
2509
2510 static void textview_shift_uris_after(TextView *textview, GSList *start_list, gint start, gint shift)
2511 {
2512         GSList *cur;
2513         if (!start_list)
2514                 start_list = textview->uri_list;
2515
2516         for (cur = start_list; cur; cur = cur->next) {
2517                 ClickableText *uri = (ClickableText *)cur->data;
2518                 if (uri->start <= start)
2519                         continue;
2520                 uri->start += shift;
2521                 uri->end += shift;
2522         }
2523 }
2524
2525 static void textview_remove_uris_in(TextView *textview, gint start, gint end)
2526 {
2527         GSList *cur;
2528         for (cur = textview->uri_list; cur; ) {
2529                 ClickableText *uri = (ClickableText *)cur->data;
2530                 if (uri->start > start && uri->end < end) {
2531                         cur = cur->next;
2532                         textview->uri_list = g_slist_remove(textview->uri_list, uri);
2533                         g_free(uri->uri);
2534                         g_free(uri->filename);
2535                         if (uri->is_quote) {
2536                                 g_free(uri->fg_color);
2537                                 g_free(uri->data);
2538                                 /* (only free data in quotes uris) */
2539                         }
2540                         g_free(uri);
2541                 } else {
2542                         cur = cur->next;
2543                 }
2544
2545         }
2546 }
2547
2548 static void textview_toggle_quote(TextView *textview, GSList *start_list, ClickableText *uri, gboolean expand_only)
2549 {
2550         GtkTextIter start, end;
2551         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2552
2553         if (!uri->is_quote)
2554                 return;
2555
2556         if (uri->q_expanded && expand_only)
2557                 return;
2558
2559         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2560         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2561         if (textview->uri_hover)
2562                 gtk_text_buffer_remove_tag_by_name(buffer,
2563                                                    "link-hover",
2564                                                    &textview->uri_hover_start_iter,
2565                                                    &textview->uri_hover_end_iter);
2566         textview->uri_hover = NULL;
2567         gtk_text_buffer_remove_tag_by_name(buffer,
2568                                            "qlink",
2569                                            &start,
2570                                            &end);
2571         /* when shifting URIs start and end, we have to do it per-UTF8-char
2572          * so use g_utf8_strlen(). OTOH, when inserting in the text buffer,
2573          * we have to pass a number of bytes, so use strlen(). disturbing. */
2574
2575         if (!uri->q_expanded) {
2576                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2577                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2578                 textview_shift_uris_after(textview, start_list, uri->start,
2579                         g_utf8_strlen((gchar *)uri->data, -1)-strlen(" [...]\n"));
2580                 gtk_text_buffer_delete(buffer, &start, &end);
2581                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2582                 gtk_text_buffer_insert_with_tags_by_name
2583                                 (buffer, &start, (gchar *)uri->data,
2584                                  strlen((gchar *)uri->data)-1,
2585                                  "qlink", (gchar *)uri->fg_color, NULL);
2586                 uri->end = gtk_text_iter_get_offset(&start);
2587                 textview_make_clickable_parts_later(textview,
2588                                           uri->start, uri->end);
2589                 uri->q_expanded = TRUE;
2590         } else {
2591                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2592                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2593                 textview_remove_uris_in(textview, uri->start, uri->end);
2594                 textview_shift_uris_after(textview, start_list, uri->start,
2595                         strlen(" [...]\n")-g_utf8_strlen((gchar *)uri->data, -1));
2596                 gtk_text_buffer_delete(buffer, &start, &end);
2597                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2598                 gtk_text_buffer_insert_with_tags_by_name
2599                                 (buffer, &start, " [...]", -1,
2600                                  "qlink", (gchar *)uri->fg_color, NULL);
2601                 uri->end = gtk_text_iter_get_offset(&start);
2602                 uri->q_expanded = FALSE;
2603         }
2604         if (textview->messageview->mainwin->cursor_count == 0) {
2605                 textview_cursor_normal(textview);
2606         } else {
2607                 textview_cursor_wait(textview);
2608         }
2609 }
2610 static gboolean textview_uri_button_pressed(GtkTextTag *tag, GObject *obj,
2611                                             GdkEvent *event, GtkTextIter *iter,
2612                                             TextView *textview)
2613 {
2614         GdkEventButton *bevent;
2615         ClickableText *uri = NULL;
2616         char *tagname;
2617         gboolean qlink = FALSE;
2618
2619         if (!event)
2620                 return FALSE;
2621
2622         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
2623                 && event->type != GDK_MOTION_NOTIFY)
2624                 return FALSE;
2625
2626         uri = textview_get_uri(textview, iter, tag);
2627         if (!uri)
2628                 return FALSE;
2629
2630         g_object_get(G_OBJECT(tag), "name", &tagname, NULL);
2631
2632         if (!strcmp(tagname, "qlink"))
2633                 qlink = TRUE;
2634
2635         g_free(tagname);
2636
2637         bevent = (GdkEventButton *) event;
2638
2639         /* doubleclick: open compose / add address / browser */
2640         if (qlink && event->type == GDK_BUTTON_PRESS && bevent->button != 1) {
2641                 /* pass rightclick through */
2642                 return FALSE;
2643         } else if ((event->type == (qlink ? GDK_2BUTTON_PRESS:GDK_BUTTON_PRESS) && bevent->button == 1) ||
2644                 bevent->button == 2 || bevent->button == 3) {
2645                 if (uri->filename && !g_ascii_strncasecmp(uri->filename, "sc://", 5)) {
2646                         MimeView *mimeview =
2647                                 (textview->messageview)?
2648                                         textview->messageview->mimeview:NULL;
2649                         if (mimeview && bevent->button == 1) {
2650                                 mimeview_handle_cmd(mimeview, uri->filename, NULL, uri->data);
2651                         } else if (mimeview && bevent->button == 2 &&
2652                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2653                                 mimeview_handle_cmd(mimeview, "sc://open_attachment", NULL, uri->data);
2654                         } else if (mimeview && bevent->button == 3 &&
2655                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2656                                 mimeview_handle_cmd(mimeview, "sc://menu_attachment", bevent, uri->data);
2657                         }
2658                         return TRUE;
2659                 } else if (qlink && bevent->button == 1) {
2660                         textview_toggle_quote(textview, NULL, uri, FALSE);
2661                         return TRUE;
2662                 } else if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) {
2663                         if (bevent->button == 3) {
2664                                 g_object_set_data(
2665                                         G_OBJECT(textview->mail_popup_menu),
2666                                         "menu_button", uri);
2667                                 gtk_menu_popup(GTK_MENU(textview->mail_popup_menu),
2668                                                NULL, NULL, NULL, NULL,
2669                                                bevent->button, bevent->time);
2670                         } else {
2671                                 PrefsAccount *account = NULL;
2672                                 FolderItem   *folder_item = NULL;
2673                                 if (textview->messageview && textview->messageview->msginfo &&
2674                                     textview->messageview->msginfo->folder) {
2675
2676
2677                                         folder_item = textview->messageview->msginfo->folder;
2678                                         if (folder_item->prefs && folder_item->prefs->enable_default_account)
2679                                                 account = account_find_from_id(folder_item->prefs->default_account);
2680                                         if (!account)
2681                                                 account = account_find_from_item(folder_item);
2682                                 }
2683                                 compose_new_with_folderitem(account, folder_item, uri->uri + 7);
2684                         }
2685                         return TRUE;
2686                 } else if (g_ascii_strncasecmp(uri->uri, "file:", 5)) {
2687                         if (bevent->button == 1 &&
2688                             textview_uri_security_check(textview, uri) == TRUE)
2689                                         open_uri(uri->uri,
2690                                                  prefs_common_get_uri_cmd());
2691                         else if (bevent->button == 3 && !qlink) {
2692                                 g_object_set_data(
2693                                         G_OBJECT(textview->link_popup_menu),
2694                                         "menu_button", uri);
2695                                 gtk_menu_popup(GTK_MENU(textview->link_popup_menu),
2696                                                NULL, NULL, NULL, NULL,
2697                                                bevent->button, bevent->time);
2698                         }
2699                         return TRUE;
2700                 } else {
2701                         if (bevent->button == 3 && !qlink) {
2702                                 g_object_set_data(
2703                                         G_OBJECT(textview->file_popup_menu),
2704                                         "menu_button", uri);
2705                                 gtk_menu_popup(GTK_MENU(textview->file_popup_menu),
2706                                                NULL, NULL, NULL, NULL,
2707                                                bevent->button, bevent->time);
2708                                 return TRUE;
2709                         }
2710                 }
2711         }
2712
2713         return FALSE;
2714 }
2715
2716 gchar *textview_get_visible_uri         (TextView       *textview,
2717                                          ClickableText  *uri)
2718 {
2719         GtkTextBuffer *buffer;
2720         GtkTextIter start, end;
2721
2722         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2723
2724         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2725         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2726
2727         return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
2728 }
2729
2730 /*!
2731  *\brief    Check to see if a web URL has been disguised as a different
2732  *          URL (possible with HTML email).
2733  *
2734  *\param    uri The uri to check
2735  *
2736  *\param    textview The TextView the URL is contained in
2737  *
2738  *\return   gboolean TRUE if the URL is ok, or if the user chose to open
2739  *          it anyway, otherwise FALSE
2740  */
2741 gboolean textview_uri_security_check(TextView *textview, ClickableText *uri)
2742 {
2743         gchar *visible_str;
2744         gboolean retval = TRUE;
2745
2746         if (is_uri_string(uri->uri) == FALSE)
2747                 return TRUE;
2748
2749         visible_str = textview_get_visible_uri(textview, uri);
2750         if (visible_str == NULL)
2751                 return TRUE;
2752
2753         if (strcmp(visible_str, uri->uri) != 0 && is_uri_string(visible_str)) {
2754                 gchar *uri_path;
2755                 gchar *visible_uri_path;
2756
2757                 uri_path = get_uri_path(uri->uri);
2758                 visible_uri_path = get_uri_path(visible_str);
2759                 if (path_cmp(uri_path, visible_uri_path) != 0)
2760                         retval = FALSE;
2761         }
2762
2763         if (retval == FALSE) {
2764                 gchar *msg;
2765                 AlertValue aval;
2766
2767                 msg = g_markup_printf_escaped(_("The real URL is different from "
2768                                                 "the displayed URL.\n"
2769                                                 "\n"
2770                                                 "<b>Displayed URL:</b> %s\n"
2771                                                 "\n"
2772                                                 "<b>Real URL:</b> %s\n"
2773                                                 "\n"
2774                                                 "Open it anyway?"),
2775                                                visible_str,uri->uri);
2776                 aval = alertpanel_full(_("Phishing attempt warning"), msg,
2777                                        GTK_STOCK_CANCEL, _("_Open URL"), NULL, FALSE,
2778                                        NULL, ALERT_WARNING, G_ALERTDEFAULT);
2779                 g_free(msg);
2780                 if (aval == G_ALERTALTERNATE)
2781                         retval = TRUE;
2782         }
2783
2784         g_free(visible_str);
2785
2786         return retval;
2787 }
2788
2789 static void textview_uri_list_remove_all(GSList *uri_list)
2790 {
2791         GSList *cur;
2792
2793         for (cur = uri_list; cur != NULL; cur = cur->next) {
2794                 if (cur->data) {
2795                         g_free(((ClickableText *)cur->data)->uri);
2796                         g_free(((ClickableText *)cur->data)->filename);
2797                         if (((ClickableText *)cur->data)->is_quote) {
2798                                 g_free(((ClickableText *)cur->data)->fg_color);
2799                                 g_free(((ClickableText *)cur->data)->data);
2800                                 /* (only free data in quotes uris) */
2801                         }
2802                         g_free(cur->data);
2803                 }
2804         }
2805
2806         g_slist_free(uri_list);
2807 }
2808
2809 static void open_uri_cb (TextView *textview, guint action, void *data)
2810 {
2811         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2812                                            "menu_button");
2813         if (uri == NULL)
2814                 return;
2815
2816         if (textview_uri_security_check(textview, uri) == TRUE)
2817                 open_uri(uri->uri,
2818                          prefs_common_get_uri_cmd());
2819         g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2820                           NULL);
2821 }
2822
2823 static void open_image_cb (TextView *textview, guint action, void *data)
2824 {
2825         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
2826                                            "menu_button");
2827
2828         gchar *cmd = NULL;
2829         gchar buf[1024];
2830         const gchar *p;
2831         gchar *filename = NULL;
2832         gchar *tmp_filename = NULL;
2833
2834         if (uri == NULL)
2835                 return;
2836
2837         if (uri->filename == NULL)
2838                 return;
2839
2840         filename = g_strdup(uri->filename);
2841
2842         if (!g_utf8_validate(filename, -1, NULL)) {
2843                 gchar *tmp = conv_filename_to_utf8(filename);
2844                 g_free(filename);
2845                 filename = tmp;
2846         }
2847
2848         subst_for_filename(filename);
2849
2850         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
2851         copy_file(tmp_filename, filename, FALSE);
2852         g_free(tmp_filename);
2853
2854         cmd = mailcap_get_command_for_type("image/jpeg", filename);
2855         if (cmd == NULL) {
2856                 gboolean remember = FALSE;
2857                 cmd = input_dialog_combo_remember
2858                         (_("Open with"),
2859                          _("Enter the command line to open file:\n"
2860                            "('%s' will be replaced with file name)"),
2861                          prefs_common.mime_open_cmd,
2862                          prefs_common.mime_open_cmd_history,
2863                          &remember);
2864                 if (cmd && remember) {
2865                         mailcap_update_default("image/jpeg", cmd);
2866                 }
2867         }
2868         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2869             !strchr(p + 2, '%'))
2870                 g_snprintf(buf, sizeof(buf), cmd, filename);
2871         else {
2872                 g_warning("Image viewer command line is invalid: '%s'", cmd);
2873                 return;
2874         }
2875
2876         execute_command_line(buf, TRUE);
2877
2878         g_free(filename);
2879         g_free(cmd);
2880
2881         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
2882                           NULL);
2883 }
2884
2885 static void save_file_cb (TextView *textview, guint action, void *data)
2886 {
2887         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
2888                                            "menu_button");
2889         gchar *filename = NULL;
2890         gchar *filepath = NULL;
2891         gchar *filedir = NULL;
2892         gchar *tmp_filename = NULL;
2893         if (uri == NULL)
2894                 return;
2895
2896         if (uri->filename == NULL)
2897                 return;
2898
2899         filename = g_strdup(uri->filename);
2900
2901         if (!g_utf8_validate(filename, -1, NULL)) {
2902                 gchar *tmp = conv_filename_to_utf8(filename);
2903                 g_free(filename);
2904                 filename = tmp;
2905         }
2906
2907         subst_for_filename(filename);
2908
2909         if (prefs_common.attach_save_dir)
2910                 filepath = g_strconcat(prefs_common.attach_save_dir,
2911                                        G_DIR_SEPARATOR_S, filename, NULL);
2912         else
2913                 filepath = g_strdup(filename);
2914
2915         g_free(filename);
2916
2917         filename = filesel_select_file_save(_("Save as"), filepath);
2918         if (!filename) {
2919                 g_free(filepath);
2920                 return;
2921         }
2922
2923         if (is_file_exist(filename)) {
2924                 AlertValue aval;
2925                 gchar *res;
2926
2927                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
2928                                       filename);
2929                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
2930                                   GTK_STOCK_OK, NULL);
2931                 g_free(res);
2932                 if (G_ALERTALTERNATE != aval)
2933                         return;
2934         }
2935
2936         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
2937         copy_file(tmp_filename, filename, FALSE);
2938         g_free(tmp_filename);
2939
2940         filedir = g_path_get_dirname(filename);
2941         if (filedir && strcmp(filedir, ".")) {
2942                 g_free(prefs_common.attach_save_dir);
2943                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
2944         }
2945
2946         g_free(filedir);
2947         g_free(filepath);
2948
2949         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
2950                           NULL);
2951 }
2952
2953 static void copy_uri_cb (TextView *textview, guint action, void *data)
2954 {
2955         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2956                                            "menu_button");
2957         if (uri == NULL)
2958                 return;
2959
2960         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri, -1);
2961         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri, -1);
2962         g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2963                           NULL);
2964 }
2965
2966 static void add_uri_to_addrbook_cb (TextView *textview, guint action, void *data)
2967 {
2968         gchar *fromname, *fromaddress;
2969         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
2970                                            "menu_button");
2971         GtkWidget *image = NULL;
2972         GdkPixbuf *picture = NULL;
2973         gboolean use_picture = FALSE;
2974         if (uri == NULL)
2975                 return;
2976
2977         /* extract url */
2978         fromaddress = g_strdup(uri->uri + 7);
2979
2980         if (textview->messageview->msginfo &&
2981            !strcmp2(fromaddress, textview->messageview->msginfo->from))
2982                 use_picture = TRUE;
2983
2984         fromname = procheader_get_fromname(fromaddress);
2985         extract_address(fromaddress);
2986
2987         if (use_picture &&
2988             textview->messageview->msginfo &&
2989             textview->messageview->msginfo->extradata &&
2990             textview->messageview->msginfo->extradata->face) {
2991                 image = face_get_from_header(textview->messageview->msginfo->extradata->face);
2992         }
2993 #if HAVE_LIBCOMPFACE
2994         else if (use_picture &&
2995                  textview->messageview->msginfo &&
2996                  textview->messageview->msginfo->extradata &&
2997                  textview->messageview->msginfo->extradata->xface) {
2998                 image = xface_get_from_header(textview->messageview->msginfo->extradata->xface,
2999                                 &textview->text->style->white,
3000                                 mainwindow_get_mainwindow()->window->window);
3001         }
3002 #endif
3003         if (image)
3004                 picture = gtk_image_get_pixbuf(GTK_IMAGE(image));
3005
3006         addressbook_add_contact( fromname, fromaddress, NULL, picture);
3007
3008         g_free(fromaddress);
3009         g_free(fromname);
3010 }
3011
3012 static void mail_to_uri_cb (TextView *textview, guint action, void *data)
3013 {
3014         PrefsAccount *account = NULL;
3015         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3016                                            "menu_button");
3017         if (uri == NULL)
3018                 return;
3019
3020         if (textview->messageview && textview->messageview->msginfo &&
3021             textview->messageview->msginfo->folder) {
3022                 FolderItem   *folder_item;
3023
3024                 folder_item = textview->messageview->msginfo->folder;
3025                 if (folder_item->prefs && folder_item->prefs->enable_default_account)
3026                         account = account_find_from_id(folder_item->prefs->default_account);
3027
3028                 compose_new_with_folderitem(account, folder_item, uri->uri+7);
3029         } else {
3030                 compose_new(account, uri->uri + 7, NULL);
3031         }
3032 }
3033
3034 static void copy_mail_to_uri_cb (TextView *textview, guint action, void *data)
3035 {
3036         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3037                                            "menu_button");
3038         if (uri == NULL)
3039                 return;
3040
3041         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri +7, -1);
3042         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri +7, -1);
3043         g_object_set_data(G_OBJECT(textview->mail_popup_menu), "menu_button",
3044                           NULL);
3045 }
3046
3047 void textview_get_selection_offsets(TextView *textview, gint *sel_start, gint *sel_end)
3048 {
3049                 GtkTextView *text = GTK_TEXT_VIEW(textview->text);
3050                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
3051                 GtkTextIter start, end;
3052                 if (gtk_text_buffer_get_selection_bounds(buffer, &start, &end)) {
3053                         if (sel_start)
3054                                 *sel_start = gtk_text_iter_get_offset(&start);
3055                         if (sel_end)
3056                                 *sel_end = gtk_text_iter_get_offset(&end);
3057                 } else {
3058                         if (sel_start)
3059                                 *sel_start = -1;
3060                         if (sel_end)
3061                                 *sel_end = -1;
3062                 }
3063 }