src/textview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 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 #include "claws-features.h"
  23 #endif
  24
  25 #include "defs.h"
  26
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29 #include <gdk/gdk.h>
  30 #include <gdk/gdkkeysyms.h>
  31 #include <gtk/gtk.h>
  32 #include <stdio.h>
  33 #include <ctype.h>
  34 #include <string.h>
  35 #include <stdlib.h>
  36 #include <errno.h>
  37 #if HAVE_SYS_WAIT_H
  38 #include <sys/wait.h>
  39 #endif
  40 #if HAVE_LIBCOMPFACE
  41 #  include <compface.h>
  42 #endif
  43
  44 #if HAVE_LIBCOMPFACE
  45 #define XPM_XFACE_HEIGHT        (HEIGHT + 3)  /* 3 = 1 header + 2 colors */
  46 #endif
  47
  48 #include "main.h"
  49 #include "summaryview.h"
  50 #include "procheader.h"
  51 #include "prefs_common.h"
  52 #include "codeconv.h"
  53 #include "utils.h"
  54 #include "gtkutils.h"
  55 #include "procmime.h"
  56 #include "html.h"
  57 #include "enriched.h"
  58 #include "compose.h"
  59 #ifndef USE_NEW_ADDRBOOK
  60         #include "addressbook.h"
  61         #include "addrindex.h"
  62 #else
  63         #include "addressbook-dbus.h"
  64         #include "addressadd.h"
  65 #endif
  66 #include "displayheader.h"
  67 #include "account.h"
  68 #include "mimeview.h"
  69 #include "alertpanel.h"
  70 #include "menu.h"
  71 #include "image_viewer.h"
  72 #include "filesel.h"
  73 #include "base64.h"
  74 #include "inputdialog.h"
  75 #include "timing.h"
  76 #include "tags.h"
  77 #include "manage_window.h"
  78
  79 static GdkColor quote_colors[3] = {
  80         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  81         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  82         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  83 };
  84
  85 static GdkColor quote_bgcolors[3] = {
  86         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  87         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  88         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  89 };
  90 static GdkColor signature_color = {
  91         (gulong)0,
  92         (gushort)0x7fff,
  93         (gushort)0x7fff,
  94         (gushort)0x7fff
  95 };
  96
  97 static GdkColor uri_color = {
  98         (gulong)0,
  99         (gushort)0,
 100         (gushort)0,
 101         (gushort)0
 102 };
 103
 104 static GdkColor emphasis_color = {
 105         (gulong)0,
 106         (gushort)0,
 107         (gushort)0,
 108         (gushort)0
 109 };
 110
 111 static GdkColor diff_added_color = {
 112         (gulong)0,
 113         (gushort)0,
 114         (gushort)0,
 115         (gushort)0
 116 };
 117
 118 static GdkColor diff_deleted_color = {
 119         (gulong)0,
 120         (gushort)0,
 121         (gushort)0,
 122         (gushort)0
 123 };
 124
 125 static GdkColor diff_hunk_color = {
 126         (gulong)0,
 127         (gushort)0,
 128         (gushort)0,
 129         (gushort)0
 130 };
 131
 132 static GdkCursor *hand_cursor = NULL;
 133 static GdkCursor *text_cursor = NULL;
 134 static GdkCursor *watch_cursor= NULL;
 135
 136 #define TEXTVIEW_STATUSBAR_PUSH(textview, str)                              \
 137 {       if (textview->messageview->statusbar)                               \
 138         gtk_statusbar_push(GTK_STATUSBAR(textview->messageview->statusbar), \
 139                            textview->messageview->statusbar_cid, str);      \
 140 }
 141
 142 #define TEXTVIEW_STATUSBAR_POP(textview)                                   \
 143 {       if (textview->messageview->statusbar)                              \
 144         gtk_statusbar_pop(GTK_STATUSBAR(textview->messageview->statusbar), \
 145                           textview->messageview->statusbar_cid);           \
 146 }
 147
 148 static void textview_show_ertf          (TextView       *textview,
 149                                          FILE           *fp,
 150                                          CodeConverter  *conv);
 151 static void textview_add_part           (TextView       *textview,
 152                                          MimeInfo       *mimeinfo);
 153 static void textview_add_parts          (TextView       *textview,
 154                                          MimeInfo       *mimeinfo);
 155 static void textview_write_body         (TextView       *textview,
 156                                          MimeInfo       *mimeinfo);
 157 static void textview_show_html          (TextView       *textview,
 158                                          FILE           *fp,
 159                                          CodeConverter  *conv);
 160
 161 static void textview_write_line         (TextView       *textview,
 162                                          const gchar    *str,
 163                                          CodeConverter  *conv,
 164                                          gboolean        do_quote_folding);
 165 static void textview_write_link         (TextView       *textview,
 166                                          const gchar    *str,
 167                                          const gchar    *uri,
 168                                          CodeConverter  *conv);
 169
 170 static GPtrArray *textview_scan_header  (TextView       *textview,
 171                                          FILE           *fp);
 172 static void textview_show_header        (TextView       *textview,
 173                                          GPtrArray      *headers);
 174
 175 static gint textview_key_pressed                (GtkWidget      *widget,
 176                                                  GdkEventKey    *event,
 177                                                  TextView       *textview);
 178 static gboolean textview_motion_notify          (GtkWidget      *widget,
 179                                                  GdkEventMotion *motion,
 180                                                  TextView       *textview);
 181 static gboolean textview_leave_notify           (GtkWidget        *widget,
 182                                                  GdkEventCrossing *event,
 183                                                  TextView         *textview);
 184 static gboolean textview_visibility_notify      (GtkWidget      *widget,
 185                                                  GdkEventVisibility *event,
 186                                                  TextView       *textview);
 187 static void textview_uri_update                 (TextView       *textview,
 188                                                  gint           x,
 189                                                  gint           y);
 190 static gboolean textview_get_uri_range          (TextView       *textview,
 191                                                  GtkTextIter    *iter,
 192                                                  GtkTextTag     *tag,
 193                                                  GtkTextIter    *start_iter,
 194                                                  GtkTextIter    *end_iter);
 195 static ClickableText *textview_get_uri_from_range       (TextView       *textview,
 196                                                  GtkTextIter    *iter,
 197                                                  GtkTextTag     *tag,
 198                                                  GtkTextIter    *start_iter,
 199                                                  GtkTextIter    *end_iter);
 200 static ClickableText *textview_get_uri          (TextView       *textview,
 201                                                  GtkTextIter    *iter,
 202                                                  GtkTextTag     *tag);
 203 static gboolean textview_uri_button_pressed     (GtkTextTag     *tag,
 204                                                  GObject        *obj,
 205                                                  GdkEvent       *event,
 206                                                  GtkTextIter    *iter,
 207                                                  TextView       *textview);
 208
 209 static void textview_uri_list_remove_all        (GSList         *uri_list);
 210
 211 static void textview_toggle_quote               (TextView       *textview,
 212                                                  GSList         *start_list,
 213                                                  ClickableText  *uri,
 214                                                  gboolean        expand_only);
 215
 216 static void open_uri_cb                         (GtkAction      *action,
 217                                                  TextView       *textview);
 218 static void copy_uri_cb                         (GtkAction      *action,
 219                                                  TextView       *textview);
 220 static void add_uri_to_addrbook_cb              (GtkAction      *action,
 221                                                  TextView       *textview);
 222 static void reply_to_uri_cb                     (GtkAction      *action,
 223                                                  TextView       *textview);
 224 static void mail_to_uri_cb                      (GtkAction      *action,
 225                                                  TextView       *textview);
 226 static void copy_mail_to_uri_cb                 (GtkAction      *action,
 227                                                  TextView       *textview);
 228 static void save_file_cb                        (GtkAction      *action,
 229                                                  TextView       *textview);
 230 static void open_image_cb                       (GtkAction      *action,
 231                                                  TextView       *textview);
 232 static void textview_show_tags(TextView *textview);
 233
 234 static GtkActionEntry textview_link_popup_entries[] =
 235 {
 236         {"TextviewPopupLink",                   NULL, "TextviewPopupLink" },
 237         {"TextviewPopupLink/Open",              NULL, N_("_Open in web browser"), NULL, NULL, G_CALLBACK(open_uri_cb) },
 238         {"TextviewPopupLink/Copy",              NULL, N_("Copy this _link"), NULL, NULL, G_CALLBACK(copy_uri_cb) },
 239 };
 240
 241 static GtkActionEntry textview_mail_popup_entries[] =
 242 {
 243         {"TextviewPopupMail",                   NULL, "TextviewPopupMail" },
 244         {"TextviewPopupMail/Compose",           NULL, N_("Compose _new message"), NULL, NULL, G_CALLBACK(mail_to_uri_cb) },
 245         {"TextviewPopupMail/ReplyTo",           NULL, N_("_Reply to this address"), NULL, NULL, G_CALLBACK(reply_to_uri_cb) },
 246         {"TextviewPopupMail/AddAB",             NULL, N_("Add to _Address book"), NULL, NULL, G_CALLBACK(add_uri_to_addrbook_cb) },
 247         {"TextviewPopupMail/Copy",              NULL, N_("Copy this add_ress"), NULL, NULL, G_CALLBACK(copy_mail_to_uri_cb) },
 248 };
 249
 250 static GtkActionEntry textview_file_popup_entries[] =
 251 {
 252         {"TextviewPopupFile",                   NULL, "TextviewPopupFile" },
 253         {"TextviewPopupFile/Open",              NULL, N_("_Open image"), NULL, NULL, G_CALLBACK(open_image_cb) },
 254         {"TextviewPopupFile/Save",              NULL, N_("_Save image..."), NULL, NULL, G_CALLBACK(save_file_cb) },
 255 };
 256
 257 static void scrolled_cb (GtkAdjustment *adj, TextView *textview)
 258 {
 259 #ifndef WIDTH
 260 #  define WIDTH 48
 261 #  define HEIGHT 48
 262 #endif
 263         if (textview->image) {
 264                 GtkAllocation allocation;
 265                 gint x, y, x1;
 266                 gtk_widget_get_allocation(textview->text, &allocation);
 267                 x1 = allocation.width - WIDTH - 5;
 268                 gtk_text_view_buffer_to_window_coords(
 269                         GTK_TEXT_VIEW(textview->text),
 270                         GTK_TEXT_WINDOW_TEXT, x1, 5, &x, &y);
 271                 gtk_text_view_move_child(GTK_TEXT_VIEW(textview->text),
 272                         textview->image, x1, y);
 273         }
 274 }
 275
 276 static void textview_size_allocate_cb   (GtkWidget      *widget,
 277                                          GtkAllocation  *allocation,
 278                                          gpointer        data)
 279 {
 280         scrolled_cb(NULL, (TextView *)data);
 281 }
 282
 283 TextView *textview_create(void)
 284 {
 285         TextView *textview;
 286         GtkWidget *vbox;
 287         GtkWidget *scrolledwin;
 288         GtkWidget *text;
 289         GtkTextBuffer *buffer;
 290         GtkClipboard *clipboard;
 291         GtkAdjustment *adj;
 292
 293         debug_print("Creating text view...\n");
 294         textview = g_new0(TextView, 1);
 295
 296         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 297         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 298                                        GTK_POLICY_AUTOMATIC,
 299                                        GTK_POLICY_AUTOMATIC);
 300         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 301                                             GTK_SHADOW_IN);
 302         gtk_widget_set_size_request
 303                 (scrolledwin, prefs_common.mainview_width, -1);
 304
 305         /* create GtkSText widgets for single-byte and multi-byte character */
 306         text = gtk_text_view_new();
 307         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 308         gtk_widget_show(text);
 309         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 310         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD_CHAR);
 311         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 312         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 313         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 314
 315         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 316         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 317         gtk_text_buffer_add_selection_clipboard(buffer, clipboard);
 318
 319         gtk_widget_ensure_style(text);
 320
 321         g_object_ref(scrolledwin);
 322
 323         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 324
 325         g_signal_connect(G_OBJECT(text), "key-press-event",
 326                          G_CALLBACK(textview_key_pressed), textview);
 327         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 328                          G_CALLBACK(textview_motion_notify), textview);
 329         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 330                          G_CALLBACK(textview_leave_notify), textview);
 331         g_signal_connect(G_OBJECT(text), "visibility-notify-event",
 332                          G_CALLBACK(textview_visibility_notify), textview);
 333         adj = gtk_scrolled_window_get_vadjustment(
 334                 GTK_SCROLLED_WINDOW(scrolledwin));
 335         g_signal_connect(G_OBJECT(adj), "value-changed",
 336                          G_CALLBACK(scrolled_cb), textview);
 337         g_signal_connect(G_OBJECT(text), "size_allocate",
 338                          G_CALLBACK(textview_size_allocate_cb),
 339                          textview);
 340
 341
 342         gtk_widget_show(scrolledwin);
 343
 344         vbox = gtk_vbox_new(FALSE, 0);
 345         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 346
 347         gtk_widget_show(vbox);
 348
 349
 350         textview->ui_manager = gtk_ui_manager_new();
 351         textview->link_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 352                         "TextviewPopupLink",
 353                         textview_link_popup_entries,
 354                         G_N_ELEMENTS(textview_link_popup_entries), (gpointer)textview);
 355         textview->mail_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 356                         "TextviewPopupMail",
 357                         textview_mail_popup_entries,
 358                         G_N_ELEMENTS(textview_mail_popup_entries), (gpointer)textview);
 359         textview->file_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 360                         "TextviewPopupFile",
 361                         textview_file_popup_entries,
 362                         G_N_ELEMENTS(textview_file_popup_entries), (gpointer)textview);
 363
 364         MENUITEM_ADDUI_MANAGER(textview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 365         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 366                         "/Menus", "TextviewPopupLink", "TextviewPopupLink", GTK_UI_MANAGER_MENU)
 367         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 368                         "/Menus", "TextviewPopupMail", "TextviewPopupMail", GTK_UI_MANAGER_MENU)
 369         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 370                         "/Menus", "TextviewPopupFile", "TextviewPopupFile", GTK_UI_MANAGER_MENU)
 371
 372         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 373                         "/Menus/TextviewPopupLink", "Open", "TextviewPopupLink/Open", GTK_UI_MANAGER_MENUITEM)
 374         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 375                         "/Menus/TextviewPopupLink", "Copy", "TextviewPopupLink/Copy", GTK_UI_MANAGER_MENUITEM)
 376         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 377                         "/Menus/TextviewPopupMail", "Compose", "TextviewPopupMail/Compose", GTK_UI_MANAGER_MENUITEM)
 378         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 379                         "/Menus/TextviewPopupMail", "ReplyTo", "TextviewPopupMail/ReplyTo", GTK_UI_MANAGER_MENUITEM)
 380         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 381                         "/Menus/TextviewPopupMail", "AddAB", "TextviewPopupMail/AddAB", GTK_UI_MANAGER_MENUITEM)
 382         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 383                         "/Menus/TextviewPopupMail", "Copy", "TextviewPopupMail/Copy", GTK_UI_MANAGER_MENUITEM)
 384         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 385                         "/Menus/TextviewPopupFile", "Open", "TextviewPopupFile/Open", GTK_UI_MANAGER_MENUITEM)
 386         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 387                         "/Menus/TextviewPopupFile", "Save", "TextviewPopupFile/Save", GTK_UI_MANAGER_MENUITEM)
 388
 389         textview->link_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 390                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupLink")) );
 391         textview->mail_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 392                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupMail")) );
 393         textview->file_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 394                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupFile")) );
 395
 396         textview->vbox               = vbox;
 397         textview->scrolledwin        = scrolledwin;
 398         textview->text               = text;
 399         textview->uri_list           = NULL;
 400         textview->body_pos           = 0;
 401         textview->last_buttonpress   = GDK_NOTHING;
 402         textview->image              = NULL;
 403         return textview;
 404 }
 405
 406 static void textview_create_tags(GtkTextView *text, TextView *textview)
 407 {
 408         GtkTextBuffer *buffer;
 409         GtkTextTag *tag, *qtag;
 410 #if !GTK_CHECK_VERSION(3, 0, 0)
 411         static GdkColor yellow, black;
 412         static gboolean color_init = FALSE;
 413 #else
 414         static GdkColor yellow = { (guint32)0, (guint16)0xf5, (guint16)0xf6, (guint16)0xbe };
 415         static GdkColor black = { (guint32)0, (guint16)0x0, (guint16)0x0, (guint16)0x0 };
 416 #endif
 417         static PangoFontDescription *font_desc, *bold_font_desc;
 418
 419 #if !GTK_CHECK_VERSION(3, 0, 0)
 420         if (!color_init) {
 421                 gdk_color_parse("#f5f6be", &yellow);
 422                 gdk_color_parse("#000000", &black);
 423                 color_init = gdk_colormap_alloc_color(
 424                         gdk_colormap_get_system(), &yellow, FALSE, TRUE);
 425                 color_init &= gdk_colormap_alloc_color(
 426                         gdk_colormap_get_system(), &black, FALSE, TRUE);
 427         }
 428 #endif
 429
 430         if (!font_desc)
 431                 font_desc = pango_font_description_from_string
 432                         (NORMAL_FONT);
 433
 434         if (!bold_font_desc) {
 435                 if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
 436                         bold_font_desc = pango_font_description_from_string
 437                                 (NORMAL_FONT);
 438                         pango_font_description_set_weight
 439                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
 440                 } else {
 441                         bold_font_desc = pango_font_description_from_string
 442                                 (BOLD_FONT);
 443                 }
 444         }
 445
 446         buffer = gtk_text_view_get_buffer(text);
 447
 448         gtk_text_buffer_create_tag(buffer, "header",
 449                                    "pixels-above-lines", 0,
 450                                    "pixels-above-lines-set", TRUE,
 451                                    "pixels-below-lines", 0,
 452                                    "pixels-below-lines-set", TRUE,
 453                                    "font-desc", font_desc,
 454                                    "left-margin", 3,
 455                                    "left-margin-set", TRUE,
 456                                    NULL);
 457         gtk_text_buffer_create_tag(buffer, "header_title",
 458                                    "font-desc", bold_font_desc,
 459                                    NULL);
 460         tag = gtk_text_buffer_create_tag(buffer, "hlink",
 461                                    "pixels-above-lines", 0,
 462                                    "pixels-above-lines-set", TRUE,
 463                                    "pixels-below-lines", 0,
 464                                    "pixels-below-lines-set", TRUE,
 465                                    "font-desc", font_desc,
 466                                    "left-margin", 3,
 467                                    "left-margin-set", TRUE,
 468                                    "foreground-gdk", &uri_color,
 469                                    NULL);
 470         g_signal_connect(G_OBJECT(tag), "event",
 471                          G_CALLBACK(textview_uri_button_pressed), textview);
 472         if (prefs_common.enable_bgcolor) {
 473                 gtk_text_buffer_create_tag(buffer, "quote0",
 474                                 "foreground-gdk", &quote_colors[0],
 475                                 "paragraph-background-gdk", &quote_bgcolors[0],
 476                                 NULL);
 477                 gtk_text_buffer_create_tag(buffer, "quote1",
 478                                 "foreground-gdk", &quote_colors[1],
 479                                 "paragraph-background-gdk", &quote_bgcolors[1],
 480                                 NULL);
 481                 gtk_text_buffer_create_tag(buffer, "quote2",
 482                                 "foreground-gdk", &quote_colors[2],
 483                                 "paragraph-background-gdk", &quote_bgcolors[2],
 484                                 NULL);
 485         } else {
 486                 gtk_text_buffer_create_tag(buffer, "quote0",
 487                                 "foreground-gdk", &quote_colors[0],
 488                                 NULL);
 489                 gtk_text_buffer_create_tag(buffer, "quote1",
 490                                 "foreground-gdk", &quote_colors[1],
 491                                 NULL);
 492                 gtk_text_buffer_create_tag(buffer, "quote2",
 493                                 "foreground-gdk", &quote_colors[2],
 494                                 NULL);
 495         }
 496         gtk_text_buffer_create_tag(buffer, "tags",
 497                         "foreground-gdk", &black,
 498                         "paragraph-background-gdk", &yellow,
 499                         NULL);
 500         gtk_text_buffer_create_tag(buffer, "emphasis",
 501                         "foreground-gdk", &emphasis_color,
 502                         NULL);
 503         gtk_text_buffer_create_tag(buffer, "signature",
 504                         "foreground-gdk", &signature_color,
 505                         NULL);
 506         tag = gtk_text_buffer_create_tag(buffer, "link",
 507                         "foreground-gdk", &uri_color,
 508                         NULL);
 509         qtag = gtk_text_buffer_create_tag(buffer, "qlink",
 510                         NULL);
 511         gtk_text_buffer_create_tag(buffer, "link-hover",
 512                         "underline", PANGO_UNDERLINE_SINGLE,
 513                         NULL);
 514         gtk_text_buffer_create_tag(buffer, "diff-add",
 515                         "foreground-gdk", &diff_added_color,
 516                         NULL);
 517         gtk_text_buffer_create_tag(buffer, "diff-del",
 518                         "foreground-gdk", &diff_deleted_color,
 519                         NULL);
 520         gtk_text_buffer_create_tag(buffer, "diff-add-file",
 521                         "foreground-gdk", &diff_added_color,
 522                         "weight", PANGO_WEIGHT_BOLD,
 523                         NULL);
 524         gtk_text_buffer_create_tag(buffer, "diff-del-file",
 525                         "foreground-gdk", &diff_deleted_color,
 526                         "weight", PANGO_WEIGHT_BOLD,
 527                         NULL);
 528         gtk_text_buffer_create_tag(buffer, "diff-hunk",
 529                         "foreground-gdk", &diff_hunk_color,
 530                         "weight", PANGO_WEIGHT_BOLD,
 531                         NULL);
 532         g_signal_connect(G_OBJECT(qtag), "event",
 533                          G_CALLBACK(textview_uri_button_pressed), textview);
 534         g_signal_connect(G_OBJECT(tag), "event",
 535                          G_CALLBACK(textview_uri_button_pressed), textview);
 536 /*      if (font_desc)
 537                 pango_font_description_free(font_desc);
 538         if (bold_font_desc)
 539                 pango_font_description_free(bold_font_desc);*/
 540  }
 541
 542 void textview_init(TextView *textview)
 543 {
 544         if (!hand_cursor)
 545                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 546         if (!text_cursor)
 547                 text_cursor = gdk_cursor_new(GDK_XTERM);
 548         if (!watch_cursor)
 549                 watch_cursor = gdk_cursor_new(GDK_WATCH);
 550
 551         textview_reflect_prefs(textview);
 552         textview_set_font(textview, NULL);
 553         textview_create_tags(GTK_TEXT_VIEW(textview->text), textview);
 554 }
 555
 556  #define CHANGE_TAG_COLOR(tagname, colorfg, colorbg) { \
 557         tag = gtk_text_tag_table_lookup(tags, tagname); \
 558         if (tag) \
 559                 g_object_set(G_OBJECT(tag), "foreground-gdk", colorfg, "paragraph-background-gdk", colorbg, NULL); \
 560  }
 561
 562 static void textview_update_message_colors(TextView *textview)
 563 {
 564         GdkColor black = {0, 0, 0, 0};
 565         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
 566
 567         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
 568         GtkTextTag *tag = NULL;
 569
 570         quote_bgcolors[0] = quote_bgcolors[1] = quote_bgcolors[2] = black;
 571         quote_colors[0] = quote_colors[1] = quote_colors[2] = black;
 572         uri_color = emphasis_color = signature_color = diff_added_color =
 573                 diff_deleted_color = diff_hunk_color = black;
 574
 575         if (prefs_common.enable_color) {
 576                 /* grab the quote colors, converting from an int to a GdkColor */
 577                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
 578                                                &quote_colors[0]);
 579                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
 580                                                &quote_colors[1]);
 581                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
 582                                                &quote_colors[2]);
 583                 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
 584                                                &uri_color);
 585                 gtkut_convert_int_to_gdk_color(prefs_common.signature_col,
 586                                                &signature_color);
 587                 gtkut_convert_int_to_gdk_color(prefs_common.emphasis_col,
 588                                                &emphasis_color);
 589                 gtkut_convert_int_to_gdk_color(prefs_common.diff_added_color,
 590                                                &diff_added_color);
 591                 gtkut_convert_int_to_gdk_color(prefs_common.diff_deleted_color,
 592                                                &diff_deleted_color);
 593                 gtkut_convert_int_to_gdk_color(prefs_common.diff_hunk_color,
 594                                                &diff_hunk_color);
 595         }
 596         if (prefs_common.enable_color && prefs_common.enable_bgcolor) {
 597                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_bgcol,
 598                                                    &quote_bgcolors[0]);
 599                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_bgcol,
 600                                                    &quote_bgcolors[1]);
 601                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_bgcol,
 602                                                    &quote_bgcolors[2]);
 603                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], &quote_bgcolors[0]);
 604                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], &quote_bgcolors[1]);
 605                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], &quote_bgcolors[2]);
 606         } else {
 607                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], NULL);
 608                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], NULL);
 609                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], NULL);
 610         }
 611
 612         CHANGE_TAG_COLOR("emphasis", &emphasis_color, NULL);
 613         CHANGE_TAG_COLOR("signature", &signature_color, NULL);
 614         CHANGE_TAG_COLOR("link", &uri_color, NULL);
 615         CHANGE_TAG_COLOR("link-hover", &uri_color, NULL);
 616         CHANGE_TAG_COLOR("diff-add", &diff_added_color, NULL);
 617         CHANGE_TAG_COLOR("diff-del", &diff_deleted_color, NULL);
 618         CHANGE_TAG_COLOR("diff-add-file", &diff_added_color, NULL);
 619         CHANGE_TAG_COLOR("diff-del-file", &diff_deleted_color, NULL);
 620         CHANGE_TAG_COLOR("diff-hunk", &diff_hunk_color, NULL);
 621 }
 622 #undef CHANGE_TAG_COLOR
 623
 624 void textview_reflect_prefs(TextView *textview)
 625 {
 626         textview_set_font(textview, NULL);
 627         textview_update_message_colors(textview);
 628         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textview->text),
 629                                          prefs_common.textview_cursor_visible);
 630 }
 631
 632 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
 633 {
 634         START_TIMING("");
 635         cm_return_if_fail(mimeinfo != NULL);
 636         cm_return_if_fail(fp != NULL);
 637
 638         if ((mimeinfo->type == MIMETYPE_MULTIPART) ||
 639             ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822"))) {
 640                 textview->loading = TRUE;
 641                 textview->stop_loading = FALSE;
 642
 643                 textview_clear(textview);
 644                 textview_add_parts(textview, mimeinfo);
 645
 646                 textview->loading = FALSE;
 647                 textview->stop_loading = FALSE;
 648                 END_TIMING();
 649                 return;
 650         }
 651         textview->loading = TRUE;
 652         textview->stop_loading = FALSE;
 653
 654         if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0)
 655                 perror("fseek");
 656
 657         textview_clear(textview);
 658
 659         if (mimeinfo->type == MIMETYPE_MULTIPART)
 660                 textview_add_parts(textview, mimeinfo);
 661         else
 662                 textview_write_body(textview, mimeinfo);
 663
 664         textview->loading = FALSE;
 665         textview->stop_loading = FALSE;
 666         END_TIMING();
 667 }
 668
 669 static void textview_add_part(TextView *textview, MimeInfo *mimeinfo)
 670 {
 671         GtkAllocation allocation;
 672         GtkTextView *text;
 673         GtkTextBuffer *buffer;
 674         GtkTextIter iter, start_iter;
 675         gchar buf[BUFFSIZE];
 676         GPtrArray *headers = NULL;
 677         const gchar *name;
 678         gchar *content_type;
 679         gint charcount;
 680         START_TIMING("");
 681
 682         cm_return_if_fail(mimeinfo != NULL);
 683         text = GTK_TEXT_VIEW(textview->text);
 684         buffer = gtk_text_view_get_buffer(text);
 685         charcount = gtk_text_buffer_get_char_count(buffer);
 686         gtk_text_buffer_get_end_iter(buffer, &iter);
 687
 688         if (textview->stop_loading) {
 689                 return;
 690         }
 691         if (mimeinfo->type == MIMETYPE_MULTIPART) {
 692                 END_TIMING();
 693                 return;
 694         }
 695
 696         textview->prev_quote_level = -1;
 697
 698         if ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822")) {
 699                 FILE *fp;
 700                 if (mimeinfo->content == MIMECONTENT_MEM)
 701                         fp = str_open_as_stream(mimeinfo->data.mem);
 702                 else
 703                         fp = g_fopen(mimeinfo->data.filename, "rb");
 704                 if (!fp) {
 705                         FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
 706                         END_TIMING();
 707                         return;
 708                 }
 709                 fseek(fp, mimeinfo->offset, SEEK_SET);
 710                 headers = textview_scan_header(textview, fp);
 711                 if (headers) {
 712                         if (charcount > 0)
 713                                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 714
 715                         if (procmime_mimeinfo_parent(mimeinfo) == NULL)
 716                                 textview_show_tags(textview);
 717                         textview_show_header(textview, headers);
 718                         procheader_header_array_destroy(headers);
 719                 }
 720                 fclose(fp);
 721                 END_TIMING();
 722                 return;
 723         }
 724
 725         name = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
 726         content_type = procmime_get_content_type_str(mimeinfo->type,
 727                                                      mimeinfo->subtype);
 728         if (name == NULL)
 729                 name = procmime_mimeinfo_get_parameter(mimeinfo, "name");
 730         if (name != NULL)
 731                 g_snprintf(buf, sizeof(buf), _("[%s  %s (%d bytes)]"),
 732                            name, content_type, mimeinfo->length);
 733         else
 734                 g_snprintf(buf, sizeof(buf), _("[%s (%d bytes)]"),
 735                            content_type, mimeinfo->length);
 736
 737         g_free(content_type);
 738
 739         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
 740         || (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
 741             mimeinfo->type != MIMETYPE_TEXT)) {
 742                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 743                 TEXTVIEW_INSERT_LINK(buf, "sc://select_attachment", mimeinfo);
 744                 gtk_text_buffer_insert(buffer, &iter, " \n", -1);
 745                 if (mimeinfo->type == MIMETYPE_IMAGE  &&
 746                     prefs_common.inline_img ) {
 747                         GdkPixbuf *pixbuf;
 748                         GError *error = NULL;
 749                         gchar *filename;
 750                         ClickableText *uri;
 751                         gchar *uri_str;
 752                         gint err;
 753                         START_TIMING("inserting image");
 754
 755                         filename = procmime_get_tmp_file_name(mimeinfo);
 756
 757                         if ((err = procmime_get_part(filename, mimeinfo)) < 0) {
 758                                 g_warning("Can't get the image file.(%s)", strerror(-err));
 759                                 g_free(filename);
 760                                 END_TIMING();
 761                                 return;
 762                         }
 763
 764                         pixbuf = gdk_pixbuf_new_from_file(filename, &error);
 765                         if (textview->stop_loading) {
 766                                 return;
 767                         }
 768                         if (error != NULL) {
 769                                 g_warning("%s\n", error->message);
 770                                 g_error_free(error);
 771                         }
 772                         if (!pixbuf) {
 773                                 g_warning("Can't load the image.");
 774                                 g_free(filename);
 775                                 END_TIMING();
 776                                 return;
 777                         }
 778
 779                         gtk_widget_get_allocation(textview->scrolledwin, &allocation);
 780                         pixbuf = claws_load_pixbuf_fitting(pixbuf,
 781                                         allocation.width,
 782                                         allocation.height);
 783
 784                         if (textview->stop_loading) {
 785                                 return;
 786                         }
 787
 788                         uri_str = g_filename_to_uri(filename, NULL, NULL);
 789                         if (uri_str) {
 790                                 uri = g_new0(ClickableText, 1);
 791                                 uri->uri = uri_str;
 792                                 uri->start = gtk_text_iter_get_offset(&iter);
 793
 794                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 795                                 if (textview->stop_loading) {
 796                                         g_free(uri);
 797                                         return;
 798                                 }
 799                                 uri->end = uri->start + 1;
 800                                 uri->filename = procmime_get_part_file_name(mimeinfo);
 801                                 textview->uri_list =
 802                                         g_slist_prepend(textview->uri_list, uri);
 803
 804                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 805                                 gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, uri->start);
 806                                 gtk_text_buffer_apply_tag_by_name(buffer, "link",
 807                                                 &start_iter, &iter);
 808                         } else {
 809                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 810                                 if (textview->stop_loading) {
 811                                         return;
 812                                 }
 813                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 814                         }
 815
 816                         g_object_unref(pixbuf);
 817                         g_free(filename);
 818                         END_TIMING();
 819                         GTK_EVENTS_FLUSH();
 820                 }
 821         } else if (mimeinfo->type == MIMETYPE_TEXT) {
 822                 if (prefs_common.display_header && (charcount > 0))
 823                         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 824
 825                 textview_write_body(textview, mimeinfo);
 826         }
 827         END_TIMING();
 828 }
 829
 830 static void recursive_add_parts(TextView *textview, GNode *node)
 831 {
 832         GNode * iter;
 833         MimeInfo *mimeinfo;
 834         START_TIMING("");
 835
 836         mimeinfo = (MimeInfo *) node->data;
 837
 838         textview_add_part(textview, mimeinfo);
 839 #ifdef GENERIC_UMPC
 840         textview_set_position(textview, 0);
 841 #endif
 842         if ((mimeinfo->type != MIMETYPE_MULTIPART) &&
 843             (mimeinfo->type != MIMETYPE_MESSAGE)) {
 844                 END_TIMING();
 845                 return;
 846         }
 847         if (g_ascii_strcasecmp(mimeinfo->subtype, "alternative") == 0) {
 848                 GNode * prefered_body;
 849                 int prefered_score;
 850
 851                 /*
 852                   text/plain : score 3
 853                   text/ *    : score 2
 854                   other      : score 1
 855                 */
 856                 prefered_body = NULL;
 857                 prefered_score = 0;
 858
 859                 for (iter = g_node_first_child(node) ; iter != NULL ;
 860                      iter = g_node_next_sibling(iter)) {
 861                         int score;
 862                         MimeInfo * submime;
 863
 864                         score = 1;
 865                         submime = (MimeInfo *) iter->data;
 866                         if (submime->type == MIMETYPE_TEXT)
 867                                 score = 2;
 868
 869                         if (submime->subtype != NULL) {
 870                                 if (g_ascii_strcasecmp(submime->subtype, "plain") == 0)
 871                                         score = 3;
 872                         }
 873
 874                         if (score > prefered_score) {
 875                                 prefered_score = score;
 876                                 prefered_body = iter;
 877                         }
 878                 }
 879
 880                 if (prefered_body != NULL) {
 881                         recursive_add_parts(textview, prefered_body);
 882                 }
 883         }
 884         else {
 885                 for (iter = g_node_first_child(node) ; iter != NULL ;
 886                      iter = g_node_next_sibling(iter)) {
 887                         recursive_add_parts(textview, iter);
 888                 }
 889         }
 890         END_TIMING();
 891 }
 892
 893 static void textview_add_parts(TextView *textview, MimeInfo *mimeinfo)
 894 {
 895         cm_return_if_fail(mimeinfo != NULL);
 896
 897         recursive_add_parts(textview, mimeinfo->node);
 898 }
 899
 900 void textview_show_error(TextView *textview)
 901 {
 902         GtkTextView *text;
 903         GtkTextBuffer *buffer;
 904         GtkTextIter iter;
 905
 906         textview_set_font(textview, NULL);
 907         textview_clear(textview);
 908
 909         text = GTK_TEXT_VIEW(textview->text);
 910         buffer = gtk_text_view_get_buffer(text);
 911         gtk_text_buffer_get_start_iter(buffer, &iter);
 912
 913         TEXTVIEW_INSERT(_("\n"
 914                       "  This message can't be displayed.\n"
 915                       "  This is probably due to a network error.\n"
 916                       "\n"
 917                       "  Use "));
 918         TEXTVIEW_INSERT_LINK(_("'Network Log'"), "sc://view_log", NULL);
 919         TEXTVIEW_INSERT(_(" in the Tools menu for more information."));
 920         textview_show_icon(textview, GTK_STOCK_DIALOG_ERROR);
 921 }
 922
 923 void textview_show_info(TextView *textview, const gchar *info_str)
 924 {
 925         GtkTextView *text;
 926         GtkTextBuffer *buffer;
 927         GtkTextIter iter;
 928
 929         textview_set_font(textview, NULL);
 930         textview_clear(textview);
 931
 932         text = GTK_TEXT_VIEW(textview->text);
 933         buffer = gtk_text_view_get_buffer(text);
 934         gtk_text_buffer_get_start_iter(buffer, &iter);
 935
 936         TEXTVIEW_INSERT(info_str);
 937         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
 938         textview_cursor_normal(textview);
 939 }
 940
 941 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
 942 {
 943         GtkTextView *text;
 944         GtkTextBuffer *buffer;
 945         GtkTextIter iter;
 946         const gchar *name;
 947         gchar *content_type;
 948
 949         if (!partinfo) return;
 950
 951         textview_set_font(textview, NULL);
 952         textview_clear(textview);
 953
 954         text = GTK_TEXT_VIEW(textview->text);
 955         buffer = gtk_text_view_get_buffer(text);
 956         gtk_text_buffer_get_start_iter(buffer, &iter);
 957
 958         TEXTVIEW_INSERT("\n");
 959
 960         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 961         if (name == NULL)
 962                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 963         if (name != NULL) {
 964                 content_type = procmime_get_content_type_str(partinfo->type,
 965                                                      partinfo->subtype);
 966                 TEXTVIEW_INSERT("  ");
 967                 TEXTVIEW_INSERT_BOLD(name);
 968                 TEXTVIEW_INSERT(" (");
 969                 TEXTVIEW_INSERT(content_type);
 970                 TEXTVIEW_INSERT(", ");
 971                 TEXTVIEW_INSERT(to_human_readable((goffset)partinfo->length));
 972                 TEXTVIEW_INSERT("):\n\n");
 973
 974                 g_free(content_type);
 975         }
 976         TEXTVIEW_INSERT(_("  The following can be performed on this part\n"));
 977 #ifndef GENERIC_UMPC
 978         TEXTVIEW_INSERT(_("  by right-clicking the icon or list item:"));
 979 #endif
 980         TEXTVIEW_INSERT("\n");
 981
 982         TEXTVIEW_INSERT(_("     - To save, select "));
 983         TEXTVIEW_INSERT_LINK(_("'Save as...'"), "sc://save_as", NULL);
 984 #ifndef GENERIC_UMPC
 985         TEXTVIEW_INSERT(_(" (Shortcut key: 'y')"));
 986 #endif
 987         TEXTVIEW_INSERT("\n");
 988
 989         TEXTVIEW_INSERT(_("     - To display as text, select "));
 990         TEXTVIEW_INSERT_LINK(_("'Display as text'"), "sc://display_as_text", NULL);
 991
 992 #ifndef GENERIC_UMPC
 993         TEXTVIEW_INSERT(_(" (Shortcut key: 't')"));
 994 #endif
 995         TEXTVIEW_INSERT("\n");
 996
 997         TEXTVIEW_INSERT(_("     - To open with an external program, select "));
 998         TEXTVIEW_INSERT_LINK(_("'Open'"), "sc://open", NULL);
 999
1000 #ifndef GENERIC_UMPC
1001         TEXTVIEW_INSERT(_(" (Shortcut key: 'l')\n"));
1002         TEXTVIEW_INSERT(_("       (alternately double-click, or click the middle "));
1003         TEXTVIEW_INSERT(_("mouse button)\n"));
1004 #ifndef G_OS_WIN32
1005         TEXTVIEW_INSERT(_("     - Or use "));
1006         TEXTVIEW_INSERT_LINK(_("'Open with...'"), "sc://open_with", NULL);
1007         TEXTVIEW_INSERT(_(" (Shortcut key: 'o')"));
1008 #endif
1009 #endif
1010         TEXTVIEW_INSERT("\n");
1011
1012         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
1013 }
1014
1015 static void textview_write_body(TextView *textview, MimeInfo *mimeinfo)
1016 {
1017         FILE *tmpfp;
1018         gchar buf[BUFFSIZE];
1019         CodeConverter *conv;
1020         const gchar *charset, *p, *cmd;
1021         GSList *cur;
1022         gboolean continue_write = TRUE;
1023         size_t wrote = 0, i = 0;
1024
1025         if (textview->messageview->forced_charset)
1026                 charset = textview->messageview->forced_charset;
1027         else {
1028                 /* use supersets transparently when possible */
1029                 charset = procmime_mimeinfo_get_parameter(mimeinfo, "charset");
1030                 if (charset && !strcasecmp(charset, CS_ISO_8859_1))
1031                         charset = CS_WINDOWS_1252;
1032                 else if (charset && !strcasecmp(charset, CS_X_GBK))
1033                         charset = CS_GB18030;
1034                 else if (charset && !strcasecmp(charset, CS_GBK))
1035                         charset = CS_GB18030;
1036                 else if (charset && !strcasecmp(charset, CS_GB2312))
1037                         charset = CS_GB18030;
1038         }
1039
1040         textview_set_font(textview, charset);
1041
1042         conv = conv_code_converter_new(charset);
1043
1044         procmime_force_encoding(textview->messageview->forced_encoding);
1045
1046         textview->is_in_signature = FALSE;
1047         textview->is_diff = FALSE;
1048
1049         procmime_decode_content(mimeinfo);
1050
1051         if (!g_ascii_strcasecmp(mimeinfo->subtype, "html") &&
1052             prefs_common.render_html) {
1053                 gchar *filename;
1054
1055                 filename = procmime_get_tmp_file_name(mimeinfo);
1056                 if (procmime_get_part(filename, mimeinfo) == 0) {
1057                         tmpfp = g_fopen(filename, "rb");
1058                         textview_show_html(textview, tmpfp, conv);
1059                         fclose(tmpfp);
1060                         claws_unlink(filename);
1061                 }
1062                 g_free(filename);
1063         } else if (!g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
1064                 gchar *filename;
1065
1066                 filename = procmime_get_tmp_file_name(mimeinfo);
1067                 if (procmime_get_part(filename, mimeinfo) == 0) {
1068                         tmpfp = g_fopen(filename, "rb");
1069                         textview_show_ertf(textview, tmpfp, conv);
1070                         fclose(tmpfp);
1071                         claws_unlink(filename);
1072                 }
1073                 g_free(filename);
1074 #ifndef G_OS_WIN32
1075         } else if ( g_ascii_strcasecmp(mimeinfo->subtype, "plain") &&
1076                    (cmd = prefs_common.mime_textviewer) && *cmd &&
1077                    (p = strchr(cmd, '%')) && *(p + 1) == 's') {
1078                 int pid, pfd[2];
1079                 const gchar *fname;
1080
1081                 fname  = procmime_get_tmp_file_name(mimeinfo);
1082                 if (procmime_get_part(fname, mimeinfo)) goto textview_default;
1083
1084                 g_snprintf(buf, sizeof(buf), cmd, fname);
1085                 debug_print("Viewing text content of type: %s (length: %d) "
1086                         "using %s\n", mimeinfo->subtype, mimeinfo->length, buf);
1087
1088                 if (pipe(pfd) < 0) {
1089                         g_snprintf(buf, sizeof(buf),
1090                                 "pipe failed for textview\n\n%s\n", strerror(errno));
1091                         textview_write_line(textview, buf, conv, TRUE);
1092                         goto textview_default;
1093                 }
1094                 pid = fork();
1095                 if (pid < 0) {
1096                         g_snprintf(buf, sizeof(buf),
1097                                 "fork failed for textview\n\n%s\n", strerror(errno));
1098                         textview_write_line(textview, buf, conv, TRUE);
1099                         close(pfd[0]);
1100                         close(pfd[1]);
1101                         goto textview_default;
1102                 }
1103                 if (pid == 0) { /* child */
1104                         int rc;
1105                         gchar **argv;
1106                         argv = strsplit_with_quote(buf, " ", 0);
1107                         close(1);
1108                         close(pfd[0]);
1109                         rc = dup(pfd[1]);
1110                         rc = execvp(argv[0], argv);
1111                         close(pfd[1]);
1112                         g_print(_("The command to view attachment "
1113                                 "as text failed:\n"
1114                                 "    %s\n"
1115                                 "Exit code %d\n"), buf, rc);
1116                         exit(255);
1117                 }
1118                 close(pfd[1]);
1119                 tmpfp = fdopen(pfd[0], "rb");
1120                 while (fgets(buf, sizeof(buf), tmpfp)) {
1121                         textview_write_line(textview, buf, conv, TRUE);
1122
1123                         if (textview->stop_loading) {
1124                                 fclose(tmpfp);
1125                                 waitpid(pid, pfd, 0);
1126                                 g_unlink(fname);
1127                                 return;
1128                         }
1129                 }
1130
1131                 fclose(tmpfp);
1132                 waitpid(pid, pfd, 0);
1133                 g_unlink(fname);
1134 #endif
1135         } else {
1136 textview_default:
1137                 if (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
1138                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff"))
1139                         textview->is_diff = TRUE;
1140
1141                 if (mimeinfo->content == MIMECONTENT_MEM)
1142                         tmpfp = str_open_as_stream(mimeinfo->data.mem);
1143                 else
1144                         tmpfp = g_fopen(mimeinfo->data.filename, "rb");
1145                 if (!tmpfp) {
1146                         FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1147                         return;
1148                 }
1149                 fseek(tmpfp, mimeinfo->offset, SEEK_SET);
1150                 debug_print("Viewing text content of type: %s (length: %d)\n", mimeinfo->subtype, mimeinfo->length);
1151                 while (((i = ftell(tmpfp)) < mimeinfo->offset + mimeinfo->length) &&
1152                        (fgets(buf, sizeof(buf), tmpfp) != NULL)
1153                        && continue_write) {
1154                         textview_write_line(textview, buf, conv, TRUE);
1155                         if (textview->stop_loading) {
1156                                 fclose(tmpfp);
1157                                 return;
1158                         }
1159                         wrote += ftell(tmpfp)-i;
1160                         if (mimeinfo->length > 1024*1024
1161                         &&  wrote > 1024*1024
1162                         && !textview->messageview->show_full_text) {
1163                                 continue_write = FALSE;
1164                         }
1165                 }
1166                 fclose(tmpfp);
1167         }
1168
1169         conv_code_converter_destroy(conv);
1170         procmime_force_encoding(0);
1171
1172         textview->uri_list = g_slist_reverse(textview->uri_list);
1173         for (cur = textview->uri_list; cur; cur = cur->next) {
1174                 ClickableText *uri = (ClickableText *)cur->data;
1175                 if (!uri->is_quote)
1176                         continue;
1177                 if (!prefs_common.hide_quotes ||
1178                     uri->quote_level+1 < prefs_common.hide_quotes) {
1179                         textview_toggle_quote(textview, cur, uri, TRUE);
1180                         if (textview->stop_loading) {
1181                                 return;
1182                         }
1183                 }
1184         }
1185
1186         if (continue_write == FALSE) {
1187                 messageview_show_partial_display(
1188                         textview->messageview,
1189                         textview->messageview->msginfo,
1190                         mimeinfo->length);
1191         }
1192         GTK_EVENTS_FLUSH();
1193 }
1194
1195 static void textview_show_html(TextView *textview, FILE *fp,
1196                                CodeConverter *conv)
1197 {
1198         SC_HTMLParser *parser;
1199         gchar *str;
1200         gint lines = 0;
1201
1202         parser = sc_html_parser_new(fp, conv);
1203         cm_return_if_fail(parser != NULL);
1204
1205         while ((str = sc_html_parse(parser)) != NULL) {
1206                 if (parser->state == SC_HTML_HREF) {
1207                         /* first time : get and copy the URL */
1208                         if (parser->href == NULL) {
1209                                 /* ALF - the claws html parser returns an empty string,
1210                                  * if still inside an <a>, but already parsed past HREF */
1211                                 str = strtok(str, " ");
1212                                 if (str) {
1213                                         while (str && *str && g_ascii_isspace(*str))
1214                                                 str++;
1215                                         parser->href = g_strdup(str);
1216                                         /* the URL may (or not) be followed by the
1217                                          * referenced text */
1218                                         str = strtok(NULL, "");
1219                                 }
1220                         }
1221                         if (str != NULL)
1222                                 textview_write_link(textview, str, parser->href, NULL);
1223                 } else
1224                         textview_write_line(textview, str, NULL, FALSE);
1225                 lines++;
1226                 if (lines % 500 == 0)
1227                         GTK_EVENTS_FLUSH();
1228                 if (textview->stop_loading) {
1229                         return;
1230                 }
1231         }
1232         textview_write_line(textview, "\n", NULL, FALSE);
1233         sc_html_parser_destroy(parser);
1234 }
1235
1236 static void textview_show_ertf(TextView *textview, FILE *fp,
1237                                CodeConverter *conv)
1238 {
1239         ERTFParser *parser;
1240         gchar *str;
1241         gint lines = 0;
1242
1243         parser = ertf_parser_new(fp, conv);
1244         cm_return_if_fail(parser != NULL);
1245
1246         while ((str = ertf_parse(parser)) != NULL) {
1247                 textview_write_line(textview, str, NULL, FALSE);
1248                 lines++;
1249                 if (lines % 500 == 0)
1250                         GTK_EVENTS_FLUSH();
1251                 if (textview->stop_loading) {
1252                         return;
1253                 }
1254         }
1255
1256         ertf_parser_destroy(parser);
1257 }
1258
1259 #define ADD_TXT_POS(bp_, ep_, pti_) \
1260         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1261                 last = last->next; \
1262                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1263                 last->next = NULL; \
1264         } else { \
1265                 g_warning("alloc error scanning URIs\n"); \
1266                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, \
1267                                                          linebuf, -1, \
1268                                                          fg_tag, NULL); \
1269                 return; \
1270         }
1271
1272 #define ADD_TXT_POS_LATER(bp_, ep_, pti_) \
1273         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1274                 last = last->next; \
1275                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1276                 last->next = NULL; \
1277         } else { \
1278                 g_warning("alloc error scanning URIs\n"); \
1279         }
1280
1281 /* textview_make_clickable_parts() - colorizes clickable parts */
1282 static void textview_make_clickable_parts(TextView *textview,
1283                                           const gchar *fg_tag,
1284                                           const gchar *uri_tag,
1285                                           const gchar *linebuf,
1286                                           gboolean hdr)
1287 {
1288         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1289         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1290         GtkTextIter iter;
1291         gchar *mybuf = g_strdup(linebuf);
1292
1293         /* parse table - in order of priority */
1294         struct table {
1295                 const gchar *needle; /* token */
1296
1297                 /* token search function */
1298                 gchar    *(*search)     (const gchar *haystack,
1299                                          const gchar *needle);
1300                 /* part parsing function */
1301                 gboolean  (*parse)      (const gchar *start,
1302                                          const gchar *scanpos,
1303                                          const gchar **bp_,
1304                                          const gchar **ep_,
1305                                          gboolean hdr);
1306                 /* part to URI function */
1307                 gchar    *(*build_uri)  (const gchar *bp,
1308                                          const gchar *ep);
1309         };
1310
1311         static struct table parser[] = {
1312                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1313                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1314                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1315                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1316                 {"gopher://",strcasestr, get_uri_part,   make_uri_string},
1317                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1318                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1319                 {"@",        strcasestr, get_email_part, make_email_string}
1320         };
1321         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1322
1323         gint  n;
1324         const gchar *walk, *bp, *ep;
1325
1326         struct txtpos {
1327                 const gchar     *bp, *ep;       /* text position */
1328                 gint             pti;           /* index in parse table */
1329                 struct txtpos   *next;          /* next */
1330         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1331
1332         if (!g_utf8_validate(linebuf, -1, NULL)) {
1333                 g_free(mybuf);
1334                 mybuf = g_malloc(strlen(linebuf)*2 +1);
1335                 conv_localetodisp(mybuf, strlen(linebuf)*2 +1, linebuf);
1336         }
1337
1338         gtk_text_buffer_get_end_iter(buffer, &iter);
1339
1340         /* parse for clickable parts, and build a list of begin and end positions  */
1341         for (walk = mybuf, n = 0;;) {
1342                 gint last_index = PARSE_ELEMS;
1343                 gchar *scanpos = NULL;
1344
1345                 /* FIXME: this looks phony. scanning for anything in the parse table */
1346                 for (n = 0; n < PARSE_ELEMS; n++) {
1347                         gchar *tmp;
1348
1349                         tmp = parser[n].search(walk, parser[n].needle);
1350                         if (tmp) {
1351                                 if (scanpos == NULL || tmp < scanpos) {
1352                                         scanpos = tmp;
1353                                         last_index = n;
1354                                 }
1355                         }
1356                 }
1357
1358                 if (scanpos) {
1359                         /* check if URI can be parsed */
1360                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, hdr)
1361                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1362                                         ADD_TXT_POS(bp, ep, last_index);
1363                                         walk = ep;
1364                         } else
1365                                 walk = scanpos +
1366                                         strlen(parser[last_index].needle);
1367                 } else
1368                         break;
1369         }
1370
1371         /* colorize this line */
1372         if (head.next) {
1373                 const gchar *normal_text = mybuf;
1374
1375                 /* insert URIs */
1376                 for (last = head.next; last != NULL;
1377                      normal_text = last->ep, last = last->next) {
1378                         ClickableText *uri;
1379                         uri = g_new0(ClickableText, 1);
1380                         if (last->bp - normal_text > 0)
1381                                 gtk_text_buffer_insert_with_tags_by_name
1382                                         (buffer, &iter,
1383                                          normal_text,
1384                                          last->bp - normal_text,
1385                                          fg_tag, NULL);
1386                         uri->uri = parser[last->pti].build_uri(last->bp,
1387                                                                last->ep);
1388                         uri->start = gtk_text_iter_get_offset(&iter);
1389                         gtk_text_buffer_insert_with_tags_by_name
1390                                 (buffer, &iter, last->bp, last->ep - last->bp,
1391                                  uri_tag, fg_tag, NULL);
1392                         uri->end = gtk_text_iter_get_offset(&iter);
1393                         uri->filename = NULL;
1394                         textview->uri_list =
1395                                 g_slist_prepend(textview->uri_list, uri);
1396                 }
1397
1398                 if (*normal_text)
1399                         gtk_text_buffer_insert_with_tags_by_name
1400                                 (buffer, &iter, normal_text, -1, fg_tag, NULL);
1401         } else {
1402                 gtk_text_buffer_insert_with_tags_by_name
1403                         (buffer, &iter, mybuf, -1, fg_tag, NULL);
1404         }
1405         g_free(mybuf);
1406 }
1407
1408 /* textview_make_clickable_parts() - colorizes clickable parts */
1409 static void textview_make_clickable_parts_later(TextView *textview,
1410                                           gint start, gint end)
1411 {
1412         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1413         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1414         GtkTextIter start_iter, end_iter;
1415         gchar *mybuf;
1416         gint offset = 0;
1417         /* parse table - in order of priority */
1418         struct table {
1419                 const gchar *needle; /* token */
1420
1421                 /* token search function */
1422                 gchar    *(*search)     (const gchar *haystack,
1423                                          const gchar *needle);
1424                 /* part parsing function */
1425                 gboolean  (*parse)      (const gchar *start,
1426                                          const gchar *scanpos,
1427                                          const gchar **bp_,
1428                                          const gchar **ep_,
1429                                          gboolean hdr);
1430                 /* part to URI function */
1431                 gchar    *(*build_uri)  (const gchar *bp,
1432                                          const gchar *ep);
1433         };
1434
1435         static struct table parser[] = {
1436                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1437                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1438                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1439                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1440                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1441                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1442                 {"@",        strcasestr, get_email_part, make_email_string}
1443         };
1444         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1445
1446         gint  n;
1447         const gchar *walk, *bp, *ep;
1448
1449         struct txtpos {
1450                 const gchar     *bp, *ep;       /* text position */
1451                 gint             pti;           /* index in parse table */
1452                 struct txtpos   *next;          /* next */
1453         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1454
1455         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start);
1456         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end);
1457         mybuf = gtk_text_buffer_get_text(buffer, &start_iter, &end_iter, FALSE);
1458         offset = gtk_text_iter_get_offset(&start_iter);
1459
1460         /* parse for clickable parts, and build a list of begin and end positions  */
1461         for (walk = mybuf, n = 0;;) {
1462                 gint last_index = PARSE_ELEMS;
1463                 gchar *scanpos = NULL;
1464
1465                 /* FIXME: this looks phony. scanning for anything in the parse table */
1466                 for (n = 0; n < PARSE_ELEMS; n++) {
1467                         gchar *tmp;
1468
1469                         tmp = parser[n].search(walk, parser[n].needle);
1470                         if (tmp) {
1471                                 if (scanpos == NULL || tmp < scanpos) {
1472                                         scanpos = tmp;
1473                                         last_index = n;
1474                                 }
1475                         }
1476                 }
1477
1478                 if (scanpos) {
1479                         /* check if URI can be parsed */
1480                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, FALSE)
1481                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1482                                         ADD_TXT_POS_LATER(bp, ep, last_index);
1483                                         walk = ep;
1484                         } else
1485                                 walk = scanpos +
1486                                         strlen(parser[last_index].needle);
1487                 } else
1488                         break;
1489         }
1490
1491         /* colorize this line */
1492         if (head.next) {
1493                 /* insert URIs */
1494                 for (last = head.next; last != NULL; last = last->next) {
1495                         ClickableText *uri;
1496                         gint start_offset, end_offset;
1497                         gchar *tmp_str;
1498                         gchar old_char;
1499                         uri = g_new0(ClickableText, 1);
1500                         uri->uri = parser[last->pti].build_uri(last->bp,
1501                                                                last->ep);
1502
1503                         tmp_str = mybuf;
1504                         old_char = tmp_str[last->ep - mybuf];
1505                         tmp_str[last->ep - mybuf] = '\0';
1506                         end_offset = g_utf8_strlen(tmp_str, -1);
1507                         tmp_str[last->ep - mybuf] = old_char;
1508
1509                         old_char = tmp_str[last->bp - mybuf];
1510                         tmp_str[last->bp - mybuf] = '\0';
1511                         start_offset = g_utf8_strlen(tmp_str, -1);
1512                         tmp_str[last->bp - mybuf] = old_char;
1513
1514                         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start_offset + offset);
1515                         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end_offset + offset);
1516
1517                         uri->start = gtk_text_iter_get_offset(&start_iter);
1518
1519                         gtk_text_buffer_apply_tag_by_name(buffer, "link", &start_iter, &end_iter);
1520
1521                         uri->end = gtk_text_iter_get_offset(&end_iter);
1522                         uri->filename = NULL;
1523                         textview->uri_list =
1524                                 g_slist_prepend(textview->uri_list, uri);
1525                 }
1526         }
1527
1528         g_free(mybuf);
1529 }
1530
1531 #undef ADD_TXT_POS
1532
1533 static void textview_write_line(TextView *textview, const gchar *str,
1534                                 CodeConverter *conv, gboolean do_quote_folding)
1535 {
1536         GtkTextView *text;
1537         GtkTextBuffer *buffer;
1538         GtkTextIter iter;
1539         gchar buf[BUFFSIZE];
1540         gchar *fg_color;
1541         gint quotelevel = -1, real_quotelevel = -1;
1542         gchar quote_tag_str[10];
1543
1544         text = GTK_TEXT_VIEW(textview->text);
1545         buffer = gtk_text_view_get_buffer(text);
1546         gtk_text_buffer_get_end_iter(buffer, &iter);
1547
1548         if (!conv)
1549                 strncpy2(buf, str, sizeof(buf));
1550         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1551                 conv_localetodisp(buf, sizeof(buf), str);
1552
1553         strcrchomp(buf);
1554         fg_color = NULL;
1555
1556         /* change color of quotation
1557            >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
1558            Up to 3 levels of quotations are detected, and each
1559            level is colored using a different color. */
1560         if (prefs_common.enable_color
1561             && line_has_quote_char(buf, prefs_common.quote_chars)) {
1562                 real_quotelevel = get_quote_level(buf, prefs_common.quote_chars);
1563                 quotelevel = real_quotelevel;
1564                 /* set up the correct foreground color */
1565                 if (quotelevel > 2) {
1566                         /* recycle colors */
1567                         if (prefs_common.recycle_quote_colors)
1568                                 quotelevel %= 3;
1569                         else
1570                                 quotelevel = 2;
1571                 }
1572         }
1573
1574         if (quotelevel == -1)
1575                 fg_color = NULL;
1576         else {
1577                 g_snprintf(quote_tag_str, sizeof(quote_tag_str),
1578                            "quote%d", quotelevel);
1579                 fg_color = quote_tag_str;
1580         }
1581
1582         if (prefs_common.enable_color) {
1583                 if (textview->is_diff) {
1584                         if (strncmp(buf, "+++ ", 4) == 0)
1585                                 fg_color = "diff-add-file";
1586                         else if (buf[0] == '+')
1587                                 fg_color = "diff-add";
1588                         else if (strncmp(buf, "--- ", 4) == 0)
1589                                 fg_color = "diff-del-file";
1590                         else if (buf[0] == '-')
1591                                 fg_color = "diff-del";
1592                         else if (strncmp(buf, "@@ ", 3) == 0 &&
1593                                         strcmp(buf+strlen(buf)-4, " @@\n") == 0)
1594                                 fg_color = "diff-hunk";
1595                 } else if (strcmp(buf,"-- \n") == 0
1596                                 || strcmp(buf, "- -- \n") == 0
1597                                 || textview->is_in_signature) {
1598                         fg_color = "signature";
1599                         textview->is_in_signature = TRUE;
1600                 }
1601         }
1602
1603         if (real_quotelevel > -1 && do_quote_folding) {
1604                 if (!g_utf8_validate(buf, -1, NULL)) {
1605                         gchar *utf8buf = NULL;
1606                         utf8buf = g_malloc(BUFFSIZE);
1607                         conv_localetodisp(utf8buf, BUFFSIZE, buf);
1608                         strncpy2(buf, utf8buf, BUFFSIZE-1);
1609                         g_free(utf8buf);
1610                 }
1611 do_quote:
1612                 if ( textview->prev_quote_level != real_quotelevel ) {
1613                         ClickableText *uri;
1614                         uri = g_new0(ClickableText, 1);
1615                         uri->uri = g_strdup("");
1616                         uri->data = g_strdup(buf);
1617                         uri->start = gtk_text_iter_get_offset(&iter);
1618                         uri->is_quote = TRUE;
1619                         uri->quote_level = real_quotelevel;
1620                         uri->fg_color = g_strdup(fg_color);
1621
1622                         gtk_text_buffer_insert_with_tags_by_name
1623                                         (buffer, &iter, " [...]", -1,
1624                                          "qlink", fg_color, NULL);
1625                         uri->end = gtk_text_iter_get_offset(&iter);
1626                         gtk_text_buffer_insert(buffer, &iter, "  \n", -1);
1627
1628                         uri->filename = NULL;
1629                         textview->uri_list =
1630                                 g_slist_prepend(textview->uri_list, uri);
1631
1632                         textview->prev_quote_level = real_quotelevel;
1633                 } else {
1634                         GSList *last = textview->uri_list;
1635                         ClickableText *lasturi = NULL;
1636                         gint e_len = 0, n_len = 0;
1637
1638                         if (textview->uri_list) {
1639                                 lasturi = (ClickableText *)last->data;
1640                         } else {
1641                                 g_print("oops (%d %d)\n",
1642                                         real_quotelevel, textview->prev_quote_level);
1643                         }
1644                         if (lasturi) {
1645                                 if (lasturi->is_quote == FALSE) {
1646                                         textview->prev_quote_level = -1;
1647                                         goto do_quote;
1648                                 }
1649                                 e_len = lasturi->data ? strlen(lasturi->data):0;
1650                                 n_len = strlen(buf);
1651                                 lasturi->data = g_realloc((gchar *)lasturi->data, e_len + n_len + 1);
1652                                 strcpy((gchar *)lasturi->data + e_len, buf);
1653                                 *((gchar *)lasturi->data + e_len + n_len) = '\0';
1654                         }
1655                 }
1656         } else {
1657                 textview_make_clickable_parts(textview, fg_color, "link", buf, FALSE);
1658                 textview->prev_quote_level = -1;
1659         }
1660 }
1661
1662 void textview_write_link(TextView *textview, const gchar *str,
1663                          const gchar *uri, CodeConverter *conv)
1664 {
1665         GdkColor *link_color = NULL;
1666         GtkTextView *text;
1667         GtkTextBuffer *buffer;
1668         GtkTextIter iter;
1669         gchar buf[BUFFSIZE];
1670         gchar *bufp;
1671         ClickableText *r_uri;
1672
1673         if (!str || *str == '\0')
1674                 return;
1675         if (!uri)
1676                 return;
1677
1678         while (uri && *uri && g_ascii_isspace(*uri))
1679                 uri++;
1680
1681         text = GTK_TEXT_VIEW(textview->text);
1682         buffer = gtk_text_view_get_buffer(text);
1683         gtk_text_buffer_get_end_iter(buffer, &iter);
1684
1685         if (!conv)
1686                 strncpy2(buf, str, sizeof(buf));
1687         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1688                 conv_utf8todisp(buf, sizeof(buf), str);
1689
1690         if (g_utf8_validate(buf, -1, NULL) == FALSE)
1691                 return;
1692
1693         strcrchomp(buf);
1694
1695         gtk_text_buffer_get_end_iter(buffer, &iter);
1696         for (bufp = buf; *bufp != '\0'; bufp = g_utf8_next_char(bufp)) {
1697                 gunichar ch;
1698
1699                 ch = g_utf8_get_char(bufp);
1700                 if (!g_unichar_isspace(ch))
1701                         break;
1702         }
1703         if (bufp > buf)
1704                 gtk_text_buffer_insert(buffer, &iter, buf, bufp - buf);
1705
1706         if (prefs_common.enable_color) {
1707                 link_color = &uri_color;
1708         }
1709         r_uri = g_new0(ClickableText, 1);
1710         r_uri->uri = g_strdup(uri);
1711         r_uri->start = gtk_text_iter_get_offset(&iter);
1712         gtk_text_buffer_insert_with_tags_by_name
1713                 (buffer, &iter, bufp, -1, "link", NULL);
1714         r_uri->end = gtk_text_iter_get_offset(&iter);
1715         r_uri->filename = NULL;
1716         textview->uri_list = g_slist_prepend(textview->uri_list, r_uri);
1717 }
1718
1719 static void textview_set_cursor(GdkWindow *window, GdkCursor *cursor)
1720 {
1721         if (GDK_IS_WINDOW(window))
1722                 gdk_window_set_cursor(window, cursor);
1723 }
1724 void textview_clear(TextView *textview)
1725 {
1726         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1727         GtkTextBuffer *buffer;
1728         GdkWindow *window = gtk_text_view_get_window(text,
1729                                 GTK_TEXT_WINDOW_TEXT);
1730
1731         buffer = gtk_text_view_get_buffer(text);
1732         gtk_text_buffer_set_text(buffer, "", -1);
1733
1734         TEXTVIEW_STATUSBAR_POP(textview);
1735         textview_uri_list_remove_all(textview->uri_list);
1736         textview->uri_list = NULL;
1737         textview->uri_hover = NULL;
1738         textview->prev_quote_level = -1;
1739
1740         textview->body_pos = 0;
1741         if (textview->image)
1742                 gtk_widget_destroy(textview->image);
1743         textview->image = NULL;
1744
1745         if (textview->messageview->mainwin->cursor_count == 0) {
1746                 textview_set_cursor(window, text_cursor);
1747         } else {
1748                 textview_set_cursor(window, watch_cursor);
1749         }
1750 }
1751
1752 void textview_destroy(TextView *textview)
1753 {
1754         GtkTextBuffer *buffer;
1755         GtkClipboard *clipboard;
1756
1757         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1758         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1759         gtk_text_buffer_remove_selection_clipboard(buffer, clipboard);
1760
1761         textview_uri_list_remove_all(textview->uri_list);
1762         textview->uri_list = NULL;
1763         textview->prev_quote_level = -1;
1764
1765         g_free(textview);
1766 }
1767
1768 #define CHANGE_TAG_FONT(tagname, font) { \
1769         tag = gtk_text_tag_table_lookup(tags, tagname); \
1770         if (tag) \
1771                 g_object_set(G_OBJECT(tag), "font-desc", font, NULL); \
1772 }
1773
1774 void textview_set_font(TextView *textview, const gchar *codeset)
1775 {
1776         GtkTextTag *tag;
1777         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1778         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
1779         PangoFontDescription *font_desc, *bold_font_desc;
1780
1781         font_desc = pango_font_description_from_string
1782                                         (NORMAL_FONT);
1783         if (font_desc) {
1784                 gtk_widget_modify_font(textview->text, font_desc);
1785                 CHANGE_TAG_FONT("header", font_desc);
1786                 CHANGE_TAG_FONT("hlink", font_desc);
1787                 pango_font_description_free(font_desc);
1788         }
1789         if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
1790                 bold_font_desc = pango_font_description_from_string
1791                                                 (NORMAL_FONT);
1792                 if (bold_font_desc)
1793                         pango_font_description_set_weight
1794                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
1795         } else {
1796                 bold_font_desc = pango_font_description_from_string
1797                                                 (BOLD_FONT);
1798         }
1799         if (bold_font_desc) {
1800                 CHANGE_TAG_FONT("header_title", bold_font_desc);
1801                 pango_font_description_free(bold_font_desc);
1802         }
1803
1804         if (prefs_common.textfont) {
1805                 PangoFontDescription *font_desc;
1806
1807                 font_desc = pango_font_description_from_string
1808                                                 (prefs_common.textfont);
1809                 if (font_desc) {
1810                         gtk_widget_modify_font(textview->text, font_desc);
1811                         pango_font_description_free(font_desc);
1812                 }
1813         }
1814         gtk_text_view_set_pixels_above_lines(GTK_TEXT_VIEW(textview->text),
1815                                              prefs_common.line_space / 2);
1816         gtk_text_view_set_pixels_below_lines(GTK_TEXT_VIEW(textview->text),
1817                                              prefs_common.line_space / 2);
1818 }
1819
1820 void textview_set_text(TextView *textview, const gchar *text)
1821 {
1822         GtkTextView *view;
1823         GtkTextBuffer *buffer;
1824
1825         cm_return_if_fail(textview != NULL);
1826         cm_return_if_fail(text != NULL);
1827
1828         textview_clear(textview);
1829
1830         view = GTK_TEXT_VIEW(textview->text);
1831         buffer = gtk_text_view_get_buffer(view);
1832         gtk_text_buffer_set_text(buffer, text, strlen(text));
1833 }
1834
1835 enum
1836 {
1837         H_DATE          = 0,
1838         H_FROM          = 1,
1839         H_TO            = 2,
1840         H_NEWSGROUPS    = 3,
1841         H_SUBJECT       = 4,
1842         H_CC            = 5,
1843         H_REPLY_TO      = 6,
1844         H_FOLLOWUP_TO   = 7,
1845         H_X_MAILER      = 8,
1846         H_X_NEWSREADER  = 9,
1847         H_USER_AGENT    = 10,
1848         H_ORGANIZATION  = 11,
1849 };
1850
1851 void textview_set_position(TextView *textview, gint pos)
1852 {
1853         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1854
1855         gtkut_text_view_set_position(text, pos);
1856 }
1857
1858 static gboolean header_is_internal(Header *header)
1859 {
1860         const gchar *internal_hdrs[] =
1861                 {"AF:", "NF:", "PS:", "SRH:", "SFN:", "DSR:", "MID:",
1862                  "CFG:", "PT:", "S:", "RQ:", "SSV:", "NSV:", "SSH:",
1863                  "R:", "MAID:", "SCF:", "RMID:", "FMID:", "NAID:",
1864                  "X-Claws-Account-Id:", "X-Claws-Sign:", "X-Claws-Encrypt:",
1865                  "X-Claws-Privacy-System:", "X-Claws-End-Special-Headers:",
1866                  "X-Sylpheed-Account-Id:", "X-Sylpheed-Sign:", "X-Sylpheed-Encrypt:",
1867                  "X-Claws-Auto-Wrapping:", "X-Claws-Auto-Indent:",
1868                  "X-Sylpheed-Privacy-System:", "X-Sylpheed-End-Special-Headers:",
1869                  NULL};
1870         int i;
1871
1872         for (i = 0; internal_hdrs[i]; i++) {
1873                 if (!strcmp(header->name, internal_hdrs[i]))
1874                         return TRUE;
1875         }
1876         return FALSE;
1877 }
1878
1879 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1880 {
1881         gchar buf[BUFFSIZE];
1882         GPtrArray *headers, *sorted_headers;
1883         GSList *disphdr_list;
1884         Header *header;
1885         gint i;
1886
1887         cm_return_val_if_fail(fp != NULL, NULL);
1888
1889         if (prefs_common.show_all_headers) {
1890                 headers = procheader_get_header_array_asis(fp);
1891                 sorted_headers = g_ptr_array_new();
1892                 for (i = 0; i < headers->len; i++) {
1893                         header = g_ptr_array_index(headers, i);
1894                         if (!header_is_internal(header))
1895                                 g_ptr_array_add(sorted_headers, header);
1896                         else
1897                                 procheader_header_free(header);
1898                 }
1899                 g_ptr_array_free(headers, TRUE);
1900                 return sorted_headers;
1901         }
1902
1903         if (!prefs_common.display_header) {
1904                 while (fgets(buf, sizeof(buf), fp) != NULL)
1905                         if (buf[0] == '\r' || buf[0] == '\n') break;
1906                 return NULL;
1907         }
1908
1909         headers = procheader_get_header_array_asis(fp);
1910
1911         sorted_headers = g_ptr_array_new();
1912
1913         for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1914              disphdr_list = disphdr_list->next) {
1915                 DisplayHeaderProp *dp =
1916                         (DisplayHeaderProp *)disphdr_list->data;
1917
1918                 for (i = 0; i < headers->len; i++) {
1919                         header = g_ptr_array_index(headers, i);
1920
1921                         if (procheader_headername_equal(header->name,
1922                                                         dp->name)) {
1923                                 if (dp->hidden)
1924                                         procheader_header_free(header);
1925                                 else
1926                                         g_ptr_array_add(sorted_headers, header);
1927
1928                                 g_ptr_array_remove_index(headers, i);
1929                                 i--;
1930                         }
1931                 }
1932         }
1933
1934         if (prefs_common.show_other_header) {
1935                 for (i = 0; i < headers->len; i++) {
1936                         header = g_ptr_array_index(headers, i);
1937                         if (!header_is_internal(header)) {
1938                                 g_ptr_array_add(sorted_headers, header);
1939                         } else {
1940                                 procheader_header_free(header);
1941                         }
1942                 }
1943                 g_ptr_array_free(headers, TRUE);
1944         } else
1945                 procheader_header_array_destroy(headers);
1946
1947
1948         return sorted_headers;
1949 }
1950
1951 static void textview_show_face(TextView *textview)
1952 {
1953         GtkAllocation allocation;
1954         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1955         MsgInfo *msginfo = textview->messageview->msginfo;
1956         int x = 0;
1957
1958         if (prefs_common.display_header_pane
1959         ||  !prefs_common.display_xface)
1960                 goto bail;
1961
1962         if (!msginfo->extradata || !msginfo->extradata->face) {
1963                 goto bail;
1964         }
1965
1966         if (textview->image)
1967                 gtk_widget_destroy(textview->image);
1968
1969         textview->image = face_get_from_header(msginfo->extradata->face);
1970         cm_return_if_fail(textview->image != NULL);
1971
1972         gtk_widget_show(textview->image);
1973
1974         gtk_widget_get_allocation(textview->text, &allocation);
1975         x = allocation.width - WIDTH -5;
1976
1977         gtk_text_view_add_child_in_window(text, textview->image,
1978                 GTK_TEXT_WINDOW_TEXT, x, 5);
1979
1980         gtk_widget_show_all(textview->text);
1981
1982
1983         return;
1984 bail:
1985         if (textview->image)
1986                 gtk_widget_destroy(textview->image);
1987         textview->image = NULL;
1988 }
1989
1990 void textview_show_icon(TextView *textview, const gchar *stock_id)
1991 {
1992         GtkAllocation allocation;
1993         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1994         int x = 0;
1995
1996         if (textview->image)
1997                 gtk_widget_destroy(textview->image);
1998
1999         textview->image = gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_DIALOG);
2000         cm_return_if_fail(textview->image != NULL);
2001
2002         gtk_widget_show(textview->image);
2003
2004         gtk_widget_get_allocation(textview->text, &allocation);
2005         x = allocation.width - WIDTH -5;
2006
2007         gtk_text_view_add_child_in_window(text, textview->image,
2008                 GTK_TEXT_WINDOW_TEXT, x, 5);
2009
2010         gtk_widget_show_all(textview->text);
2011
2012
2013         return;
2014 }
2015
2016 #if HAVE_LIBCOMPFACE
2017 static void textview_show_xface(TextView *textview)
2018 {
2019         GtkAllocation allocation;
2020         MsgInfo *msginfo = textview->messageview->msginfo;
2021         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2022         int x = 0;
2023         GdkWindow *window = NULL;
2024
2025         if (prefs_common.display_header_pane
2026         ||  !prefs_common.display_xface)
2027                 goto bail;
2028
2029         if (!msginfo || !msginfo->extradata)
2030                 goto bail;
2031
2032         if (msginfo->extradata->face)
2033                 return;
2034
2035         if (!msginfo->extradata->xface || strlen(msginfo->extradata->xface) < 5) {
2036                 goto bail;
2037         }
2038
2039         if (textview->image)
2040                 gtk_widget_destroy(textview->image);
2041
2042         window = mainwindow_get_mainwindow() ?
2043                         mainwindow_get_mainwindow()->window->window :
2044                         textview->text->window;
2045         textview->image = xface_get_from_header(msginfo->extradata->xface,
2046                                 &textview->text->style->white,
2047                                 window);
2048         cm_return_if_fail(textview->image != NULL);
2049
2050         gtk_widget_show(textview->image);
2051
2052         gtk_widget_get_allocation(textview->text, &allocation);
2053         x = allocation.width - WIDTH -5;
2054
2055         gtk_text_view_add_child_in_window(text, textview->image,
2056                 GTK_TEXT_WINDOW_TEXT, x, 5);
2057
2058         gtk_widget_show_all(textview->text);
2059
2060         return;
2061 bail:
2062         if (textview->image)
2063                 gtk_widget_destroy(textview->image);
2064         textview->image = NULL;
2065
2066 }
2067 #endif
2068
2069 static void textview_save_contact_pic(TextView *textview)
2070 {
2071 #ifndef USE_NEW_ADDRBOOK
2072         MsgInfo *msginfo = textview->messageview->msginfo;
2073         gchar *filename = NULL;
2074         GError *error = NULL;
2075         GdkPixbuf *picture = NULL;
2076
2077         if (!msginfo->extradata || (!msginfo->extradata->face && !msginfo->extradata->xface))
2078                 return;
2079
2080         if (textview->image)
2081                 picture = gtk_image_get_pixbuf(GTK_IMAGE(textview->image));
2082
2083         filename = addrindex_get_picture_file(msginfo->from);
2084         if (!filename)
2085                 return;
2086         if (!is_file_exist(filename)) {
2087                 gdk_pixbuf_save(picture, filename, "png", &error, NULL);
2088                 if (error) {
2089                         g_warning(_("Failed to save image: \n%s"),
2090                                         error->message);
2091                         g_error_free(error);
2092                 }
2093         }
2094         g_free(filename);
2095 #else
2096         /* new address book */
2097 #endif
2098 }
2099
2100 static void textview_show_contact_pic(TextView *textview)
2101 {
2102 #ifndef USE_NEW_ADDRBOOK
2103         MsgInfo *msginfo = textview->messageview->msginfo;
2104         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2105         int x = 0;
2106         gchar *filename = NULL;
2107         GError *error = NULL;
2108         GdkPixbuf *picture = NULL;
2109         gint w, h;
2110
2111         if (prefs_common.display_header_pane
2112         ||  !prefs_common.display_xface)
2113                 goto bail;
2114
2115         if (msginfo->extradata && (msginfo->extradata->face || msginfo->extradata->xface))
2116                 return;
2117
2118         if (textview->image)
2119                 gtk_widget_destroy(textview->image);
2120
2121         filename = addrindex_get_picture_file(msginfo->from);
2122
2123         if (!filename)
2124                 goto bail;
2125         if (!is_file_exist(filename)) {
2126                 g_free(filename);
2127                 goto bail;
2128         }
2129
2130         gdk_pixbuf_get_file_info(filename, &w, &h);
2131
2132         if (w > 48 || h > 48)
2133                 picture = gdk_pixbuf_new_from_file_at_scale(filename,
2134                                                 48, 48, TRUE, &error);
2135         else
2136                 picture = gdk_pixbuf_new_from_file(filename, &error);
2137
2138         if (error) {
2139                 debug_print("Failed to import image: \n%s",
2140                                 error->message);
2141                 g_error_free(error);
2142                 goto bail;
2143         }
2144         g_free(filename);
2145
2146         if (picture) {
2147                 textview->image = gtk_image_new_from_pixbuf(picture);
2148                 g_object_unref(picture);
2149         }
2150         cm_return_if_fail(textview->image != NULL);
2151
2152         gtk_widget_show(textview->image);
2153
2154         x = textview->text->allocation.width - WIDTH -5;
2155
2156         gtk_text_view_add_child_in_window(text, textview->image,
2157                 GTK_TEXT_WINDOW_TEXT, x, 5);
2158
2159         gtk_widget_show_all(textview->text);
2160
2161         return;
2162 bail:
2163         if (textview->image)
2164                 gtk_widget_destroy(textview->image);
2165         textview->image = NULL;
2166 #else
2167         /* new address book */
2168 #endif
2169 }
2170
2171 static gint textview_tag_cmp_list(gconstpointer a, gconstpointer b)
2172 {
2173         gint id_a = GPOINTER_TO_INT(a);
2174         gint id_b = GPOINTER_TO_INT(b);
2175         const gchar *tag_a = tags_get_tag(id_a);
2176         const gchar *tag_b = tags_get_tag(id_b);
2177
2178         if (tag_a == NULL)
2179                 return tag_b == NULL ? 0:1;
2180
2181         if (tag_b == NULL)
2182                 return tag_a == NULL ? 0:1;
2183
2184         return g_utf8_collate(tag_a, tag_b);
2185 }
2186
2187
2188 static void textview_show_tags(TextView *textview)
2189 {
2190         MsgInfo *msginfo = textview->messageview->msginfo;
2191         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2192         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2193         GtkTextIter iter;
2194         ClickableText *uri;
2195         GSList *cur, *orig;
2196         gboolean found_tag = FALSE;
2197
2198         if (!msginfo->tags)
2199                 return;
2200
2201         cur = orig = g_slist_sort(g_slist_copy(msginfo->tags), textview_tag_cmp_list);
2202
2203         for (; cur; cur = cur->next) {
2204                 if (tags_get_tag(GPOINTER_TO_INT(cur->data)) != NULL) {
2205                         found_tag = TRUE;
2206                         break;
2207                 }
2208         }
2209         if (!found_tag) {
2210                 g_slist_free(orig);
2211                 return;
2212         }
2213
2214         gtk_text_buffer_get_end_iter (buffer, &iter);
2215         gtk_text_buffer_insert_with_tags_by_name(buffer,
2216                 &iter, _("Tags: "), -1,
2217                 "header_title", "header", "tags", NULL);
2218
2219         for (cur = orig; cur; cur = cur->next) {
2220                 const gchar *cur_tag = tags_get_tag(GPOINTER_TO_INT(cur->data));
2221                 if (!cur_tag)
2222                         continue;
2223                 uri = g_new0(ClickableText, 1);
2224                 uri->uri = g_strdup("");
2225                 uri->start = gtk_text_iter_get_offset(&iter);
2226                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
2227                         cur_tag, -1,
2228                         "link", "header", "tags", NULL);
2229                 uri->end = gtk_text_iter_get_offset(&iter);
2230                 uri->filename = g_strdup_printf("sc://search_tags:%s", cur_tag);
2231                 uri->data = NULL;
2232                 textview->uri_list =
2233                         g_slist_prepend(textview->uri_list, uri);
2234                 if (cur->next && tags_get_tag(GPOINTER_TO_INT(cur->next->data)))
2235                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, ", ", 2,
2236                                 "header", "tags", NULL);
2237                 else
2238                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, " ", 1,
2239                                 "header", "tags", NULL);
2240         }
2241         g_slist_free(orig);
2242
2243         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2244                 "header", "tags", NULL);
2245 }
2246
2247 static void textview_show_header(TextView *textview, GPtrArray *headers)
2248 {
2249         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2250         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2251         GtkTextIter iter;
2252         Header *header;
2253         gint i;
2254
2255         cm_return_if_fail(headers != NULL);
2256
2257         for (i = 0; i < headers->len; i++) {
2258                 header = g_ptr_array_index(headers, i);
2259                 cm_return_if_fail(header->name != NULL);
2260
2261                 gtk_text_buffer_get_end_iter (buffer, &iter);
2262                 if(prefs_common.trans_hdr == TRUE) {
2263                         gchar *hdr = g_strndup(header->name, strlen(header->name) - 1);
2264                         gchar *trans_hdr = gettext(hdr);
2265                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2266                                 &iter, trans_hdr, -1,
2267                                 "header_title", "header", NULL);
2268                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2269                                 &iter, ":", 1, "header_title", "header", NULL);
2270                         g_free(hdr);
2271                 } else {
2272                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2273                                 &iter, header->name,
2274                                 -1, "header_title", "header", NULL);
2275                 }
2276                 if (header->name[strlen(header->name) - 1] != ' ')
2277                 gtk_text_buffer_insert_with_tags_by_name
2278                                 (buffer, &iter, " ", 1,
2279                                  "header_title", "header", NULL);
2280
2281                 if (procheader_headername_equal(header->name, "Subject") ||
2282                     procheader_headername_equal(header->name, "From")    ||
2283                     procheader_headername_equal(header->name, "To")      ||
2284                     procheader_headername_equal(header->name, "Cc"))
2285                         unfold_line(header->body);
2286
2287                 if (procheader_headername_equal(header->name, "Date") &&
2288                     prefs_common.msgview_date_format) {
2289                         gchar hbody[80];
2290
2291                         procheader_date_parse(hbody, header->body, sizeof(hbody));
2292                         gtk_text_buffer_get_end_iter (buffer, &iter);
2293                         gtk_text_buffer_insert_with_tags_by_name
2294                                 (buffer, &iter, hbody, -1, "header", NULL);
2295                 } else if ((procheader_headername_equal(header->name, "X-Mailer") ||
2296                                 procheader_headername_equal(header->name,
2297                                                  "X-Newsreader")) &&
2298                                 (strstr(header->body, "Claws Mail") != NULL ||
2299                                 strstr(header->body, "Sylpheed-Claws") != NULL)) {
2300                         gtk_text_buffer_get_end_iter (buffer, &iter);
2301                         gtk_text_buffer_insert_with_tags_by_name
2302                                 (buffer, &iter, header->body, -1,
2303                                  "header", "emphasis", NULL);
2304                 } else {
2305                         gboolean hdr =
2306                           procheader_headername_equal(header->name, "From") ||
2307                           procheader_headername_equal(header->name, "To") ||
2308                           procheader_headername_equal(header->name, "Cc") ||
2309                           procheader_headername_equal(header->name, "Bcc") ||
2310                           procheader_headername_equal(header->name, "Reply-To") ||
2311                           procheader_headername_equal(header->name, "Sender");
2312                         textview_make_clickable_parts(textview, "header",
2313                                                       "hlink", header->body,
2314                                                       hdr);
2315                 }
2316                 gtk_text_buffer_get_end_iter (buffer, &iter);
2317                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2318                                                          "header", NULL);
2319         }
2320
2321         textview_show_face(textview);
2322 #if HAVE_LIBCOMPFACE
2323         textview_show_xface(textview);
2324 #endif
2325         textview_save_contact_pic(textview);
2326         textview_show_contact_pic(textview);
2327 }
2328
2329 gboolean textview_search_string(TextView *textview, const gchar *str,
2330                                 gboolean case_sens)
2331 {
2332         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2333
2334         return gtkut_text_view_search_string(text, str, case_sens);
2335 }
2336
2337 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
2338                                          gboolean case_sens)
2339 {
2340         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2341
2342         return gtkut_text_view_search_string_backward(text, str, case_sens);
2343 }
2344
2345 void textview_scroll_one_line(TextView *textview, gboolean up)
2346 {
2347         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2348         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2349
2350         gtkutils_scroll_one_line(GTK_WIDGET(text), vadj, up);
2351 }
2352
2353 gboolean textview_scroll_page(TextView *textview, gboolean up)
2354 {
2355         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2356         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2357
2358         return gtkutils_scroll_page(GTK_WIDGET(text), vadj, up);
2359 }
2360
2361 void textview_scroll_max(TextView *textview, gboolean up)
2362 {
2363         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2364         GtkTextIter iter;
2365
2366         if (up) {
2367                 gtk_text_buffer_get_start_iter(buffer, &iter);
2368                 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview->text),
2369                                                 &iter, 0.0, TRUE, 0.0, 1.0);
2370
2371         } else {
2372                 gtk_text_buffer_get_end_iter(buffer, &iter);
2373                 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview->text),
2374                                                 &iter, 0.0, TRUE, 0.0, 0.0);
2375         }
2376 }
2377
2378 #define KEY_PRESS_EVENT_STOP() \
2379         g_signal_stop_emission_by_name(G_OBJECT(widget), \
2380                                        "key_press_event");
2381
2382 static gint textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2383                                  TextView *textview)
2384 {
2385         GdkWindow *window;
2386         SummaryView *summaryview = NULL;
2387         MessageView *messageview = textview->messageview;
2388
2389         if (!event) return FALSE;
2390         if (messageview->mainwin)
2391                 summaryview = messageview->mainwin->summaryview;
2392
2393         switch (event->keyval) {
2394         case GDK_KEY_Tab:
2395         case GDK_KEY_Left:
2396         case GDK_KEY_Up:
2397         case GDK_KEY_Right:
2398         case GDK_KEY_Down:
2399         case GDK_KEY_Page_Up:
2400         case GDK_KEY_Page_Down:
2401         case GDK_KEY_Control_L:
2402         case GDK_KEY_Control_R:
2403                 return FALSE;
2404         case GDK_KEY_Home:
2405         case GDK_KEY_End:
2406                 textview_scroll_max(textview,(event->keyval == GDK_KEY_Home));
2407                 return TRUE;
2408         case GDK_KEY_space:
2409                 if (summaryview)
2410                         summary_pass_key_press_event(summaryview, event);
2411                 else
2412                         mimeview_scroll_page
2413                                 (messageview->mimeview,
2414                                  (event->state &
2415                                   (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2416                 break;
2417         case GDK_KEY_BackSpace:
2418                 mimeview_scroll_page(messageview->mimeview, TRUE);
2419                 break;
2420         case GDK_KEY_Return:
2421         case GDK_KEY_KP_Enter:
2422                 mimeview_scroll_one_line
2423                         (messageview->mimeview, (event->state &
2424                                     (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2425                 break;
2426         case GDK_KEY_Delete:
2427                 if (summaryview)
2428                         summary_pass_key_press_event(summaryview, event);
2429                 break;
2430         case GDK_KEY_y:
2431         case GDK_KEY_t:
2432         case GDK_KEY_l:
2433         case GDK_KEY_o:
2434         case GDK_KEY_c:
2435         case GDK_KEY_a:
2436                 if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) == 0) {
2437                         KEY_PRESS_EVENT_STOP();
2438                         mimeview_pass_key_press_event(messageview->mimeview,
2439                                                       event);
2440                         break;
2441                 }
2442                 /* possible fall through */
2443         default:
2444                 window = gtk_widget_get_window(messageview->mainwin->window);
2445                 if (summaryview &&
2446                     event->window != window) {
2447                         GdkEventKey tmpev = *event;
2448
2449                         tmpev.window = window;
2450                         KEY_PRESS_EVENT_STOP();
2451                         gtk_widget_event(messageview->mainwin->window,
2452                                          (GdkEvent *)&tmpev);
2453                 }
2454                 break;
2455         }
2456
2457         return TRUE;
2458 }
2459
2460 static gboolean textview_motion_notify(GtkWidget *widget,
2461                                        GdkEventMotion *event,
2462                                        TextView *textview)
2463 {
2464         if (textview->loading)
2465                 return FALSE;
2466         textview_uri_update(textview, event->x, event->y);
2467         gdk_window_get_pointer(gtk_widget_get_window(widget), NULL, NULL, NULL);
2468
2469         return FALSE;
2470 }
2471
2472 static gboolean textview_leave_notify(GtkWidget *widget,
2473                                       GdkEventCrossing *event,
2474                                       TextView *textview)
2475 {
2476         if (textview->loading)
2477                 return FALSE;
2478         textview_uri_update(textview, -1, -1);
2479
2480         return FALSE;
2481 }
2482
2483 static gboolean textview_visibility_notify(GtkWidget *widget,
2484                                            GdkEventVisibility *event,
2485                                            TextView *textview)
2486 {
2487         gint wx, wy;
2488         GdkWindow *window;
2489
2490         if (textview->loading)
2491                 return FALSE;
2492
2493         window = gtk_text_view_get_window(GTK_TEXT_VIEW(widget),
2494                                           GTK_TEXT_WINDOW_TEXT);
2495
2496         /* check if occurred for the text window part */
2497         if (window != event->window)
2498                 return FALSE;
2499
2500         gdk_window_get_pointer(gtk_widget_get_window(widget), &wx, &wy, NULL);
2501         textview_uri_update(textview, wx, wy);
2502
2503         return FALSE;
2504 }
2505
2506 void textview_cursor_wait(TextView *textview)
2507 {
2508         GdkWindow *window = gtk_text_view_get_window(
2509                         GTK_TEXT_VIEW(textview->text),
2510                         GTK_TEXT_WINDOW_TEXT);
2511         textview_set_cursor(window, watch_cursor);
2512 }
2513
2514 void textview_cursor_normal(TextView *textview)
2515 {
2516         GdkWindow *window = gtk_text_view_get_window(
2517                         GTK_TEXT_VIEW(textview->text),
2518                         GTK_TEXT_WINDOW_TEXT);
2519         textview_set_cursor(window, text_cursor);
2520 }
2521
2522 static void textview_uri_update(TextView *textview, gint x, gint y)
2523 {
2524         GtkTextBuffer *buffer;
2525         GtkTextIter start_iter, end_iter;
2526         ClickableText *uri = NULL;
2527
2528         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2529
2530         if (x != -1 && y != -1) {
2531                 gint bx, by;
2532                 GtkTextIter iter;
2533                 GSList *tags;
2534                 GSList *cur;
2535
2536                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview->text),
2537                                                       GTK_TEXT_WINDOW_WIDGET,
2538                                                       x, y, &bx, &by);
2539                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview->text),
2540                                                    &iter, bx, by);
2541
2542                 tags = gtk_text_iter_get_tags(&iter);
2543                 for (cur = tags; cur != NULL; cur = cur->next) {
2544                         GtkTextTag *tag = cur->data;
2545                         char *name;
2546
2547                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
2548
2549                         if ((!strcmp(name, "link") || !strcmp(name, "hlink"))
2550                             && textview_get_uri_range(textview, &iter, tag,
2551                                                       &start_iter, &end_iter)) {
2552
2553                                 uri = textview_get_uri_from_range(textview,
2554                                                                   &iter, tag,
2555                                                                   &start_iter,
2556                                                                   &end_iter);
2557                         }
2558                         g_free(name);
2559                         if (uri)
2560                                 break;
2561                 }
2562                 g_slist_free(tags);
2563         }
2564
2565         if (uri != textview->uri_hover) {
2566                 GdkWindow *window;
2567
2568                 if (textview->uri_hover)
2569                         gtk_text_buffer_remove_tag_by_name(buffer,
2570                                                            "link-hover",
2571                                                            &textview->uri_hover_start_iter,
2572                                                            &textview->uri_hover_end_iter);
2573
2574                 textview->uri_hover = uri;
2575                 if (uri) {
2576                         textview->uri_hover_start_iter = start_iter;
2577                         textview->uri_hover_end_iter = end_iter;
2578                 }
2579
2580                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview->text),
2581                                                   GTK_TEXT_WINDOW_TEXT);
2582                 if (textview->messageview->mainwin->cursor_count == 0) {
2583                         textview_set_cursor(window, uri ? hand_cursor : text_cursor);
2584                 } else {
2585                         textview_set_cursor(window, watch_cursor);
2586                 }
2587
2588                 TEXTVIEW_STATUSBAR_POP(textview);
2589
2590                 if (uri) {
2591                         if (!uri->is_quote)
2592                                 gtk_text_buffer_apply_tag_by_name(buffer,
2593                                                           "link-hover",
2594                                                           &start_iter,
2595                                                           &end_iter);
2596                         TEXTVIEW_STATUSBAR_PUSH(textview, uri->uri);
2597                 }
2598         }
2599 }
2600
2601 static gboolean textview_get_uri_range(TextView *textview,
2602                                        GtkTextIter *iter,
2603                                        GtkTextTag *tag,
2604                                        GtkTextIter *start_iter,
2605                                        GtkTextIter *end_iter)
2606 {
2607         return get_tag_range(iter, tag, start_iter, end_iter);
2608 }
2609
2610 static ClickableText *textview_get_uri_from_range(TextView *textview,
2611                                               GtkTextIter *iter,
2612                                               GtkTextTag *tag,
2613                                               GtkTextIter *start_iter,
2614                                               GtkTextIter *end_iter)
2615 {
2616         gint start_pos, end_pos, cur_pos;
2617         ClickableText *uri = NULL;
2618         GSList *cur;
2619
2620         start_pos = gtk_text_iter_get_offset(start_iter);
2621         end_pos = gtk_text_iter_get_offset(end_iter);
2622         cur_pos = gtk_text_iter_get_offset(iter);
2623
2624         for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
2625                 ClickableText *uri_ = (ClickableText *)cur->data;
2626                 if (start_pos == uri_->start &&
2627                     end_pos ==  uri_->end) {
2628                         uri = uri_;
2629                         break;
2630                 }
2631         }
2632         for (cur = textview->uri_list; uri == NULL && cur != NULL; cur = cur->next) {
2633                 ClickableText *uri_ = (ClickableText *)cur->data;
2634                 if (start_pos == uri_->start ||
2635                            end_pos == uri_->end) {
2636                         /* in case of contiguous links, textview_get_uri_range
2637                          * returns a broader range (start of 1st link to end
2638                          * of last link).
2639                          * In that case, correct link is the one covering
2640                          * current iter.
2641                          */
2642                         if (uri_->start <= cur_pos && cur_pos <= uri_->end) {
2643                                 uri = uri_;
2644                                 break;
2645                         }
2646                 }
2647         }
2648
2649         return uri;
2650 }
2651
2652 static ClickableText *textview_get_uri(TextView *textview,
2653                                    GtkTextIter *iter,
2654                                    GtkTextTag *tag)
2655 {
2656         GtkTextIter start_iter, end_iter;
2657         ClickableText *uri = NULL;
2658
2659         if (textview_get_uri_range(textview, iter, tag, &start_iter,
2660                                    &end_iter))
2661                 uri = textview_get_uri_from_range(textview, iter, tag,
2662                                                   &start_iter, &end_iter);
2663
2664         return uri;
2665 }
2666
2667 static void textview_shift_uris_after(TextView *textview, GSList *start_list, gint start, gint shift)
2668 {
2669         GSList *cur;
2670         if (!start_list)
2671                 start_list = textview->uri_list;
2672
2673         for (cur = start_list; cur; cur = cur->next) {
2674                 ClickableText *uri = (ClickableText *)cur->data;
2675                 if (uri->start <= start)
2676                         continue;
2677                 uri->start += shift;
2678                 uri->end += shift;
2679         }
2680 }
2681
2682 static void textview_remove_uris_in(TextView *textview, gint start, gint end)
2683 {
2684         GSList *cur;
2685         for (cur = textview->uri_list; cur; ) {
2686                 ClickableText *uri = (ClickableText *)cur->data;
2687                 if (uri->start > start && uri->end < end) {
2688                         cur = cur->next;
2689                         textview->uri_list = g_slist_remove(textview->uri_list, uri);
2690                         g_free(uri->uri);
2691                         g_free(uri->filename);
2692                         if (uri->is_quote) {
2693                                 g_free(uri->fg_color);
2694                                 g_free(uri->data);
2695                                 /* (only free data in quotes uris) */
2696                         }
2697                         g_free(uri);
2698                 } else {
2699                         cur = cur->next;
2700                 }
2701
2702         }
2703 }
2704
2705 static void textview_toggle_quote(TextView *textview, GSList *start_list, ClickableText *uri, gboolean expand_only)
2706 {
2707         GtkTextIter start, end;
2708         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2709
2710         if (!uri->is_quote)
2711                 return;
2712
2713         if (uri->q_expanded && expand_only)
2714                 return;
2715
2716         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2717         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2718         if (textview->uri_hover)
2719                 gtk_text_buffer_remove_tag_by_name(buffer,
2720                                                    "link-hover",
2721                                                    &textview->uri_hover_start_iter,
2722                                                    &textview->uri_hover_end_iter);
2723         textview->uri_hover = NULL;
2724         gtk_text_buffer_remove_tag_by_name(buffer,
2725                                            "qlink",
2726                                            &start,
2727                                            &end);
2728         /* when shifting URIs start and end, we have to do it per-UTF8-char
2729          * so use g_utf8_strlen(). OTOH, when inserting in the text buffer,
2730          * we have to pass a number of bytes, so use strlen(). disturbing. */
2731
2732         if (!uri->q_expanded) {
2733                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2734                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2735                 textview_shift_uris_after(textview, start_list, uri->start,
2736                         g_utf8_strlen((gchar *)uri->data, -1)-strlen(" [...]\n"));
2737                 gtk_text_buffer_delete(buffer, &start, &end);
2738                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2739                 gtk_text_buffer_insert_with_tags_by_name
2740                                 (buffer, &start, (gchar *)uri->data,
2741                                  strlen((gchar *)uri->data)-1,
2742                                  "qlink", (gchar *)uri->fg_color, NULL);
2743                 uri->end = gtk_text_iter_get_offset(&start);
2744                 textview_make_clickable_parts_later(textview,
2745                                           uri->start, uri->end);
2746                 uri->q_expanded = TRUE;
2747         } else {
2748                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2749                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2750                 textview_remove_uris_in(textview, uri->start, uri->end);
2751                 textview_shift_uris_after(textview, start_list, uri->start,
2752                         strlen(" [...]\n")-g_utf8_strlen((gchar *)uri->data, -1));
2753                 gtk_text_buffer_delete(buffer, &start, &end);
2754                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2755                 gtk_text_buffer_insert_with_tags_by_name
2756                                 (buffer, &start, " [...]", -1,
2757                                  "qlink", (gchar *)uri->fg_color, NULL);
2758                 uri->end = gtk_text_iter_get_offset(&start);
2759                 uri->q_expanded = FALSE;
2760         }
2761         if (textview->messageview->mainwin->cursor_count == 0) {
2762                 textview_cursor_normal(textview);
2763         } else {
2764                 textview_cursor_wait(textview);
2765         }
2766 }
2767 static gboolean textview_uri_button_pressed(GtkTextTag *tag, GObject *obj,
2768                                             GdkEvent *event, GtkTextIter *iter,
2769                                             TextView *textview)
2770 {
2771         GdkEventButton *bevent;
2772         ClickableText *uri = NULL;
2773         char *tagname;
2774         gboolean qlink = FALSE;
2775
2776         if (!event)
2777                 return FALSE;
2778
2779         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
2780                 && event->type != GDK_MOTION_NOTIFY)
2781                 return FALSE;
2782
2783         uri = textview_get_uri(textview, iter, tag);
2784         if (!uri)
2785                 return FALSE;
2786
2787         g_object_get(G_OBJECT(tag), "name", &tagname, NULL);
2788
2789         if (!strcmp(tagname, "qlink"))
2790                 qlink = TRUE;
2791
2792         g_free(tagname);
2793
2794         bevent = (GdkEventButton *) event;
2795
2796         /* doubleclick: open compose / add address / browser */
2797         if (qlink && event->type == GDK_BUTTON_PRESS && bevent->button != 1) {
2798                 /* pass rightclick through */
2799                 return FALSE;
2800         } else if ((event->type == (qlink ? GDK_2BUTTON_PRESS:GDK_BUTTON_PRESS) && bevent->button == 1) ||
2801                 bevent->button == 2 || bevent->button == 3) {
2802                 if (uri->filename && !g_ascii_strncasecmp(uri->filename, "sc://", 5)) {
2803                         MimeView *mimeview =
2804                                 (textview->messageview)?
2805                                         textview->messageview->mimeview:NULL;
2806                         if (mimeview && bevent->button == 1) {
2807                                 mimeview_handle_cmd(mimeview, uri->filename, NULL, uri->data);
2808                         } else if (mimeview && bevent->button == 2 &&
2809                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2810                                 mimeview_handle_cmd(mimeview, "sc://open_attachment", NULL, uri->data);
2811                         } else if (mimeview && bevent->button == 3 &&
2812                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2813                                 mimeview_handle_cmd(mimeview, "sc://menu_attachment", bevent, uri->data);
2814                         }
2815                         return TRUE;
2816                 } else if (qlink && bevent->button == 1) {
2817                         if (prefs_common.hide_quoted)
2818                                 textview_toggle_quote(textview, NULL, uri, FALSE);
2819                         return TRUE;
2820                 } else if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) {
2821                         if (bevent->button == 3) {
2822                                 g_object_set_data(
2823                                         G_OBJECT(textview->mail_popup_menu),
2824                                         "menu_button", uri);
2825                                 gtk_menu_popup(GTK_MENU(textview->mail_popup_menu),
2826                                                NULL, NULL, NULL, NULL,
2827                                                bevent->button, bevent->time);
2828                         } else {
2829                                 PrefsAccount *account = NULL;
2830                                 FolderItem   *folder_item = NULL;
2831                                 Compose *compose;
2832
2833                                 if (textview->messageview && textview->messageview->msginfo &&
2834                                     textview->messageview->msginfo->folder) {
2835
2836
2837                                         folder_item = textview->messageview->msginfo->folder;
2838                                         if (folder_item->prefs && folder_item->prefs->enable_default_account)
2839                                                 account = account_find_from_id(folder_item->prefs->default_account);
2840                                         if (!account)
2841                                                 account = account_find_from_item(folder_item);
2842                                 }
2843                                 compose = compose_new_with_folderitem(account,
2844                                                                 folder_item, uri->uri + 7);
2845                                 compose_check_for_email_account(compose);
2846                         }
2847                         return TRUE;
2848                 } else if (g_ascii_strncasecmp(uri->uri, "file:", 5)) {
2849                         if (bevent->button == 1 &&
2850                             textview_uri_security_check(textview, uri) == TRUE)
2851                                         open_uri(uri->uri,
2852                                                  prefs_common_get_uri_cmd());
2853                         else if (bevent->button == 3 && !qlink) {
2854                                 g_object_set_data(
2855                                         G_OBJECT(textview->link_popup_menu),
2856                                         "menu_button", uri);
2857                                 gtk_menu_popup(GTK_MENU(textview->link_popup_menu),
2858                                                NULL, NULL, NULL, NULL,
2859                                                bevent->button, bevent->time);
2860                         }
2861                         return TRUE;
2862                 } else {
2863                         if (bevent->button == 3 && !qlink) {
2864                                 g_object_set_data(
2865                                         G_OBJECT(textview->file_popup_menu),
2866                                         "menu_button", uri);
2867                                 gtk_menu_popup(GTK_MENU(textview->file_popup_menu),
2868                                                NULL, NULL, NULL, NULL,
2869                                                bevent->button, bevent->time);
2870                                 return TRUE;
2871                         }
2872                 }
2873         }
2874
2875         return FALSE;
2876 }
2877
2878 gchar *textview_get_visible_uri         (TextView       *textview,
2879                                          ClickableText  *uri)
2880 {
2881         GtkTextBuffer *buffer;
2882         GtkTextIter start, end;
2883
2884         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2885
2886         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2887         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2888
2889         return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
2890 }
2891
2892 /*!
2893  *\brief    Check to see if a web URL has been disguised as a different
2894  *          URL (possible with HTML email).
2895  *
2896  *\param    uri The uri to check
2897  *
2898  *\param    textview The TextView the URL is contained in
2899  *
2900  *\return   gboolean TRUE if the URL is ok, or if the user chose to open
2901  *          it anyway, otherwise FALSE
2902  */
2903 gboolean textview_uri_security_check(TextView *textview, ClickableText *uri)
2904 {
2905         gchar *visible_str;
2906         gboolean retval = TRUE;
2907
2908         if (is_uri_string(uri->uri) == FALSE)
2909                 return TRUE;
2910
2911         visible_str = textview_get_visible_uri(textview, uri);
2912         if (visible_str == NULL)
2913                 return TRUE;
2914
2915         g_strstrip(visible_str);
2916
2917         if (strcmp(visible_str, uri->uri) != 0 && is_uri_string(visible_str)) {
2918                 gchar *uri_path;
2919                 gchar *visible_uri_path;
2920
2921                 uri_path = get_uri_path(uri->uri);
2922                 visible_uri_path = get_uri_path(visible_str);
2923                 if (path_cmp(uri_path, visible_uri_path) != 0)
2924                         retval = FALSE;
2925         }
2926
2927         if (retval == FALSE) {
2928                 gchar *msg;
2929                 AlertValue aval;
2930
2931                 msg = g_markup_printf_escaped(_("The real URL is different from "
2932                                                 "the displayed URL.\n"
2933                                                 "\n"
2934                                                 "<b>Displayed URL:</b> %s\n"
2935                                                 "\n"
2936                                                 "<b>Real URL:</b> %s\n"
2937                                                 "\n"
2938                                                 "Open it anyway?"),
2939                                                visible_str,uri->uri);
2940                 aval = alertpanel_full(_("Phishing attempt warning"), msg,
2941                                        GTK_STOCK_CANCEL, _("_Open URL"), NULL, FALSE,
2942                                        NULL, ALERT_WARNING, G_ALERTDEFAULT);
2943                 g_free(msg);
2944                 if (aval == G_ALERTALTERNATE)
2945                         retval = TRUE;
2946         }
2947
2948         g_free(visible_str);
2949
2950         return retval;
2951 }
2952
2953 static void textview_uri_list_remove_all(GSList *uri_list)
2954 {
2955         GSList *cur;
2956
2957         for (cur = uri_list; cur != NULL; cur = cur->next) {
2958                 if (cur->data) {
2959                         g_free(((ClickableText *)cur->data)->uri);
2960                         g_free(((ClickableText *)cur->data)->filename);
2961                         if (((ClickableText *)cur->data)->is_quote) {
2962                                 g_free(((ClickableText *)cur->data)->fg_color);
2963                                 g_free(((ClickableText *)cur->data)->data);
2964                                 /* (only free data in quotes uris) */
2965                         }
2966                         g_free(cur->data);
2967                 }
2968         }
2969
2970         g_slist_free(uri_list);
2971 }
2972
2973 static void open_uri_cb (GtkAction *action, TextView *textview)
2974 {
2975         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2976                                            "menu_button");
2977         const gchar *raw_url = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2978                                            "raw_url");
2979
2980         if (uri) {
2981                 if (textview_uri_security_check(textview, uri) == TRUE)
2982                         open_uri(uri->uri,
2983                                  prefs_common_get_uri_cmd());
2984                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2985                                   NULL);
2986         }
2987         if (raw_url) {
2988                 open_uri(raw_url, prefs_common_get_uri_cmd());
2989                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
2990                                   NULL);
2991         }
2992 }
2993
2994 static void open_image_cb (GtkAction *action, TextView *textview)
2995 {
2996         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
2997                                            "menu_button");
2998
2999         gchar *cmd = NULL;
3000         gchar buf[1024];
3001         const gchar *p;
3002         gchar *filename = NULL;
3003         gchar *tmp_filename = NULL;
3004
3005         if (uri == NULL)
3006                 return;
3007
3008         if (uri->filename == NULL)
3009                 return;
3010
3011         filename = g_strdup(uri->filename);
3012
3013         if (!g_utf8_validate(filename, -1, NULL)) {
3014                 gchar *tmp = conv_filename_to_utf8(filename);
3015                 g_free(filename);
3016                 filename = tmp;
3017         }
3018
3019         subst_for_filename(filename);
3020
3021         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
3022         copy_file(tmp_filename, filename, FALSE);
3023         g_free(tmp_filename);
3024
3025         cmd = mailcap_get_command_for_type("image/jpeg", filename);
3026         if (cmd == NULL) {
3027                 gboolean remember = FALSE;
3028                 cmd = input_dialog_combo_remember
3029                         (_("Open with"),
3030                          _("Enter the command-line to open file:\n"
3031                            "('%s' will be replaced with file name)"),
3032                          prefs_common.mime_open_cmd,
3033                          prefs_common.mime_open_cmd_history,
3034                          &remember);
3035                 if (cmd && remember) {
3036                         mailcap_update_default("image/jpeg", cmd);
3037                 }
3038         }
3039         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
3040             !strchr(p + 2, '%'))
3041                 g_snprintf(buf, sizeof(buf), cmd, filename);
3042         else {
3043                 g_warning("Image viewer command-line is invalid: '%s'", cmd);
3044                 return;
3045         }
3046
3047         execute_command_line(buf, TRUE);
3048
3049         g_free(filename);
3050         g_free(cmd);
3051
3052         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
3053                           NULL);
3054 }
3055
3056 static void save_file_cb (GtkAction *action, TextView *textview)
3057 {
3058         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
3059                                            "menu_button");
3060         gchar *filename = NULL;
3061         gchar *filepath = NULL;
3062         gchar *filedir = NULL;
3063         gchar *tmp_filename = NULL;
3064         GtkWidget *window;
3065
3066         if (uri == NULL)
3067                 return;
3068
3069         if (uri->filename == NULL)
3070                 return;
3071
3072         filename = g_strdup(uri->filename);
3073
3074         if (!g_utf8_validate(filename, -1, NULL)) {
3075                 gchar *tmp = conv_filename_to_utf8(filename);
3076                 g_free(filename);
3077                 filename = tmp;
3078         }
3079
3080         subst_for_filename(filename);
3081
3082         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
3083                 filepath = g_strconcat(prefs_common.attach_save_dir,
3084                                        G_DIR_SEPARATOR_S, filename, NULL);
3085         else
3086                 filepath = g_strdup(filename);
3087
3088         g_free(filename);
3089
3090         /* Pick correct window to set the file dialog "transient for" */
3091         if (textview->messageview->window != NULL)
3092                 window = textview->messageview->window;
3093         else
3094                 window = textview->messageview->mainwin->window;
3095
3096         manage_window_focus_in(window, NULL, NULL);
3097
3098         filename = filesel_select_file_save(_("Save as"), filepath);
3099         if (!filename) {
3100                 g_free(filepath);
3101                 return;
3102         }
3103
3104         if (is_file_exist(filename)) {
3105                 AlertValue aval;
3106                 gchar *res;
3107
3108                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
3109                                       filename);
3110                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
3111                                   GTK_STOCK_OK, NULL);
3112                 g_free(res);
3113                 if (G_ALERTALTERNATE != aval)
3114                         return;
3115         }
3116
3117         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
3118         copy_file(tmp_filename, filename, FALSE);
3119         g_free(tmp_filename);
3120
3121         filedir = g_path_get_dirname(filename);
3122         if (filedir && strcmp(filedir, ".")) {
3123                 g_free(prefs_common.attach_save_dir);
3124                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
3125         }
3126
3127         g_free(filedir);
3128         g_free(filepath);
3129
3130         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
3131                           NULL);
3132 }
3133
3134 static void copy_uri_cb (GtkAction *action, TextView *textview)
3135 {
3136         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
3137                                            "menu_button");
3138         const gchar *raw_url =  g_object_get_data(G_OBJECT(textview->link_popup_menu),
3139                                            "raw_url");
3140         if (uri) {
3141                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri, -1);
3142                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri, -1);
3143                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
3144                           NULL);
3145         }
3146         if (raw_url) {
3147                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), raw_url, -1);
3148                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), raw_url, -1);
3149                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
3150                           NULL);
3151         }
3152 }
3153
3154 static void add_uri_to_addrbook_cb (GtkAction *action, TextView *textview)
3155 {
3156         gchar *fromname, *fromaddress;
3157         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3158                                            "menu_button");
3159         GtkWidget *image = NULL;
3160         GdkPixbuf *picture = NULL;
3161         gboolean use_picture = FALSE;
3162
3163         if (uri == NULL)
3164                 return;
3165
3166         /* extract url */
3167         fromaddress = g_strdup(uri->uri + 7);
3168
3169         if (textview->messageview->msginfo &&
3170            !strcmp2(fromaddress, textview->messageview->msginfo->from))
3171                 use_picture = TRUE;
3172
3173         fromname = procheader_get_fromname(fromaddress);
3174         extract_address(fromaddress);
3175
3176         if (use_picture &&
3177             textview->messageview->msginfo &&
3178             textview->messageview->msginfo->extradata &&
3179             textview->messageview->msginfo->extradata->face) {
3180                 image = face_get_from_header(textview->messageview->msginfo->extradata->face);
3181         }
3182 #if HAVE_LIBCOMPFACE
3183         else if (use_picture &&
3184                  textview->messageview->msginfo &&
3185                  textview->messageview->msginfo->extradata &&
3186                  textview->messageview->msginfo->extradata->xface) {
3187                 image = xface_get_from_header(textview->messageview->msginfo->extradata->xface,
3188                                 &textview->text->style->white,
3189                                 mainwindow_get_mainwindow()->window->window);
3190         }
3191 #endif
3192         if (image)
3193                 picture = gtk_image_get_pixbuf(GTK_IMAGE(image));
3194
3195 #ifndef USE_NEW_ADDRBOOK
3196         addressbook_add_contact( fromname, fromaddress, NULL, picture);
3197 #else
3198         if (addressadd_selection(fromname, fromaddress, NULL, picture)) {
3199                 debug_print( "addressbook_add_contact - added\n" );
3200         }
3201 #endif
3202
3203         g_free(fromaddress);
3204         g_free(fromname);
3205 }
3206
3207 static void reply_to_uri_cb (GtkAction *action, TextView *textview)
3208 {
3209         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3210                                            "menu_button");
3211         if (!textview->messageview || !uri)
3212                 return;
3213
3214         compose_reply_to_address (textview->messageview,
3215                                   textview->messageview->msginfo, uri->uri+7);
3216 }
3217
3218 static void mail_to_uri_cb (GtkAction *action, TextView *textview)
3219 {
3220         PrefsAccount *account = NULL;
3221         Compose *compose;
3222         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3223                                            "menu_button");
3224         if (uri == NULL)
3225                 return;
3226
3227         if (textview->messageview && textview->messageview->msginfo &&
3228             textview->messageview->msginfo->folder) {
3229                 FolderItem   *folder_item;
3230
3231                 folder_item = textview->messageview->msginfo->folder;
3232                 if (folder_item->prefs && folder_item->prefs->enable_default_account)
3233                         account = account_find_from_id(folder_item->prefs->default_account);
3234
3235                 compose = compose_new_with_folderitem(account, folder_item, uri->uri+7);
3236         } else {
3237                 compose = compose_new(account, uri->uri + 7, NULL);
3238         }
3239         compose_check_for_email_account(compose);
3240 }
3241
3242 static void copy_mail_to_uri_cb (GtkAction *action, TextView *textview)
3243 {
3244         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3245                                            "menu_button");
3246         if (uri == NULL)
3247                 return;
3248
3249         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri +7, -1);
3250         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri +7, -1);
3251         g_object_set_data(G_OBJECT(textview->mail_popup_menu), "menu_button",
3252                           NULL);
3253 }
3254
3255 void textview_get_selection_offsets(TextView *textview, gint *sel_start, gint *sel_end)
3256 {
3257                 GtkTextView *text = GTK_TEXT_VIEW(textview->text);
3258                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
3259                 GtkTextIter start, end;
3260                 if (gtk_text_buffer_get_selection_bounds(buffer, &start, &end)) {
3261                         if (sel_start)
3262                                 *sel_start = gtk_text_iter_get_offset(&start);
3263                         if (sel_end)
3264                                 *sel_end = gtk_text_iter_get_offset(&end);
3265                 } else {
3266                         if (sel_start)
3267                                 *sel_start = -1;
3268                         if (sel_end)
3269                                 *sel_end = -1;
3270                 }
3271 }