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 #include "folder_item_prefs.h"
  79
  80 static GdkColor quote_colors[3] = {
  81         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  82         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  83         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  84 };
  85
  86 static GdkColor quote_bgcolors[3] = {
  87         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  88         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  89         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  90 };
  91 static GdkColor signature_color = {
  92         (gulong)0,
  93         (gushort)0x7fff,
  94         (gushort)0x7fff,
  95         (gushort)0x7fff
  96 };
  97
  98 static GdkColor uri_color = {
  99         (gulong)0,
 100         (gushort)0,
 101         (gushort)0,
 102         (gushort)0
 103 };
 104
 105 static GdkColor emphasis_color = {
 106         (gulong)0,
 107         (gushort)0,
 108         (gushort)0,
 109         (gushort)0
 110 };
 111
 112 static GdkColor diff_added_color = {
 113         (gulong)0,
 114         (gushort)0,
 115         (gushort)0,
 116         (gushort)0
 117 };
 118
 119 static GdkColor diff_deleted_color = {
 120         (gulong)0,
 121         (gushort)0,
 122         (gushort)0,
 123         (gushort)0
 124 };
 125
 126 static GdkColor diff_hunk_color = {
 127         (gulong)0,
 128         (gushort)0,
 129         (gushort)0,
 130         (gushort)0
 131 };
 132
 133 static GdkCursor *hand_cursor = NULL;
 134 static GdkCursor *text_cursor = NULL;
 135 static GdkCursor *watch_cursor= NULL;
 136
 137 #define TEXTVIEW_STATUSBAR_PUSH(textview, str)                              \
 138 {       if (textview->messageview->statusbar)                               \
 139         gtk_statusbar_push(GTK_STATUSBAR(textview->messageview->statusbar), \
 140                            textview->messageview->statusbar_cid, str);      \
 141 }
 142
 143 #define TEXTVIEW_STATUSBAR_POP(textview)                                   \
 144 {       if (textview->messageview->statusbar)                              \
 145         gtk_statusbar_pop(GTK_STATUSBAR(textview->messageview->statusbar), \
 146                           textview->messageview->statusbar_cid);           \
 147 }
 148
 149 static void textview_show_ertf          (TextView       *textview,
 150                                          FILE           *fp,
 151                                          CodeConverter  *conv);
 152 static void textview_add_part           (TextView       *textview,
 153                                          MimeInfo       *mimeinfo);
 154 static void textview_add_parts          (TextView       *textview,
 155                                          MimeInfo       *mimeinfo);
 156 static void textview_write_body         (TextView       *textview,
 157                                          MimeInfo       *mimeinfo);
 158 static void textview_show_html          (TextView       *textview,
 159                                          FILE           *fp,
 160                                          CodeConverter  *conv);
 161
 162 static void textview_write_line         (TextView       *textview,
 163                                          const gchar    *str,
 164                                          CodeConverter  *conv,
 165                                          gboolean        do_quote_folding);
 166 static void textview_write_link         (TextView       *textview,
 167                                          const gchar    *str,
 168                                          const gchar    *uri,
 169                                          CodeConverter  *conv);
 170
 171 static GPtrArray *textview_scan_header  (TextView       *textview,
 172                                          FILE           *fp);
 173 static void textview_show_header        (TextView       *textview,
 174                                          GPtrArray      *headers);
 175
 176 static gint textview_key_pressed                (GtkWidget      *widget,
 177                                                  GdkEventKey    *event,
 178                                                  TextView       *textview);
 179 static gboolean textview_motion_notify          (GtkWidget      *widget,
 180                                                  GdkEventMotion *motion,
 181                                                  TextView       *textview);
 182 static gboolean textview_leave_notify           (GtkWidget        *widget,
 183                                                  GdkEventCrossing *event,
 184                                                  TextView         *textview);
 185 static gboolean textview_visibility_notify      (GtkWidget      *widget,
 186                                                  GdkEventVisibility *event,
 187                                                  TextView       *textview);
 188 static void textview_uri_update                 (TextView       *textview,
 189                                                  gint           x,
 190                                                  gint           y);
 191 static gboolean textview_get_uri_range          (TextView       *textview,
 192                                                  GtkTextIter    *iter,
 193                                                  GtkTextTag     *tag,
 194                                                  GtkTextIter    *start_iter,
 195                                                  GtkTextIter    *end_iter);
 196 static ClickableText *textview_get_uri_from_range       (TextView       *textview,
 197                                                  GtkTextIter    *iter,
 198                                                  GtkTextTag     *tag,
 199                                                  GtkTextIter    *start_iter,
 200                                                  GtkTextIter    *end_iter);
 201 static ClickableText *textview_get_uri          (TextView       *textview,
 202                                                  GtkTextIter    *iter,
 203                                                  GtkTextTag     *tag);
 204 static gboolean textview_uri_button_pressed     (GtkTextTag     *tag,
 205                                                  GObject        *obj,
 206                                                  GdkEvent       *event,
 207                                                  GtkTextIter    *iter,
 208                                                  TextView       *textview);
 209
 210 static void textview_uri_list_remove_all        (GSList         *uri_list);
 211
 212 static void textview_toggle_quote               (TextView       *textview,
 213                                                  GSList         *start_list,
 214                                                  ClickableText  *uri,
 215                                                  gboolean        expand_only);
 216
 217 static void open_uri_cb                         (GtkAction      *action,
 218                                                  TextView       *textview);
 219 static void copy_uri_cb                         (GtkAction      *action,
 220                                                  TextView       *textview);
 221 static void add_uri_to_addrbook_cb              (GtkAction      *action,
 222                                                  TextView       *textview);
 223 static void reply_to_uri_cb                     (GtkAction      *action,
 224                                                  TextView       *textview);
 225 static void mail_to_uri_cb                      (GtkAction      *action,
 226                                                  TextView       *textview);
 227 static void copy_mail_to_uri_cb                 (GtkAction      *action,
 228                                                  TextView       *textview);
 229 static void save_file_cb                        (GtkAction      *action,
 230                                                  TextView       *textview);
 231 static void open_image_cb                       (GtkAction      *action,
 232                                                  TextView       *textview);
 233 static void textview_show_tags(TextView *textview);
 234
 235 static GtkActionEntry textview_link_popup_entries[] =
 236 {
 237         {"TextviewPopupLink",                   NULL, "TextviewPopupLink" },
 238         {"TextviewPopupLink/Open",              NULL, N_("_Open in web browser"), NULL, NULL, G_CALLBACK(open_uri_cb) },
 239         {"TextviewPopupLink/Copy",              NULL, N_("Copy this _link"), NULL, NULL, G_CALLBACK(copy_uri_cb) },
 240 };
 241
 242 static GtkActionEntry textview_mail_popup_entries[] =
 243 {
 244         {"TextviewPopupMail",                   NULL, "TextviewPopupMail" },
 245         {"TextviewPopupMail/Compose",           NULL, N_("Compose _new message"), NULL, NULL, G_CALLBACK(mail_to_uri_cb) },
 246         {"TextviewPopupMail/ReplyTo",           NULL, N_("_Reply to this address"), NULL, NULL, G_CALLBACK(reply_to_uri_cb) },
 247         {"TextviewPopupMail/AddAB",             NULL, N_("Add to _Address book"), NULL, NULL, G_CALLBACK(add_uri_to_addrbook_cb) },
 248         {"TextviewPopupMail/Copy",              NULL, N_("Copy this add_ress"), NULL, NULL, G_CALLBACK(copy_mail_to_uri_cb) },
 249 };
 250
 251 static GtkActionEntry textview_file_popup_entries[] =
 252 {
 253         {"TextviewPopupFile",                   NULL, "TextviewPopupFile" },
 254         {"TextviewPopupFile/Open",              NULL, N_("_Open image"), NULL, NULL, G_CALLBACK(open_image_cb) },
 255         {"TextviewPopupFile/Save",              NULL, N_("_Save image..."), NULL, NULL, G_CALLBACK(save_file_cb) },
 256 };
 257
 258 static void scrolled_cb (GtkAdjustment *adj, TextView *textview)
 259 {
 260 #ifndef WIDTH
 261 #  define WIDTH 48
 262 #  define HEIGHT 48
 263 #endif
 264         if (textview->image) {
 265                 GtkAllocation allocation;
 266                 gint x, y, x1;
 267                 gtk_widget_get_allocation(textview->text, &allocation);
 268                 x1 = allocation.width - WIDTH - 5;
 269                 gtk_text_view_buffer_to_window_coords(
 270                         GTK_TEXT_VIEW(textview->text),
 271                         GTK_TEXT_WINDOW_TEXT, x1, 5, &x, &y);
 272                 gtk_text_view_move_child(GTK_TEXT_VIEW(textview->text),
 273                         textview->image, x1, y);
 274         }
 275 }
 276
 277 static void textview_size_allocate_cb   (GtkWidget      *widget,
 278                                          GtkAllocation  *allocation,
 279                                          gpointer        data)
 280 {
 281         scrolled_cb(NULL, (TextView *)data);
 282 }
 283
 284 TextView *textview_create(void)
 285 {
 286         TextView *textview;
 287         GtkWidget *vbox;
 288         GtkWidget *scrolledwin;
 289         GtkWidget *text;
 290         GtkTextBuffer *buffer;
 291         GtkClipboard *clipboard;
 292         GtkAdjustment *adj;
 293
 294         debug_print("Creating text view...\n");
 295         textview = g_new0(TextView, 1);
 296
 297         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 298         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 299                                        GTK_POLICY_AUTOMATIC,
 300                                        GTK_POLICY_AUTOMATIC);
 301         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 302                                             GTK_SHADOW_IN);
 303         gtk_widget_set_size_request
 304                 (scrolledwin, prefs_common.mainview_width, -1);
 305
 306         /* create GtkSText widgets for single-byte and multi-byte character */
 307         text = gtk_text_view_new();
 308         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 309         gtk_widget_show(text);
 310         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 311         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD_CHAR);
 312         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 313         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 314         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 315
 316         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 317         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 318         gtk_text_buffer_add_selection_clipboard(buffer, clipboard);
 319
 320         gtk_widget_ensure_style(text);
 321
 322         g_object_ref(scrolledwin);
 323
 324         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 325
 326         g_signal_connect(G_OBJECT(text), "key-press-event",
 327                          G_CALLBACK(textview_key_pressed), textview);
 328         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 329                          G_CALLBACK(textview_motion_notify), textview);
 330         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 331                          G_CALLBACK(textview_leave_notify), textview);
 332         g_signal_connect(G_OBJECT(text), "visibility-notify-event",
 333                          G_CALLBACK(textview_visibility_notify), textview);
 334         adj = gtk_scrolled_window_get_vadjustment(
 335                 GTK_SCROLLED_WINDOW(scrolledwin));
 336         g_signal_connect(G_OBJECT(adj), "value-changed",
 337                          G_CALLBACK(scrolled_cb), textview);
 338         g_signal_connect(G_OBJECT(text), "size_allocate",
 339                          G_CALLBACK(textview_size_allocate_cb),
 340                          textview);
 341
 342
 343         gtk_widget_show(scrolledwin);
 344
 345         vbox = gtk_vbox_new(FALSE, 0);
 346         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 347
 348         gtk_widget_show(vbox);
 349
 350
 351         textview->ui_manager = gtk_ui_manager_new();
 352         textview->link_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 353                         "TextviewPopupLink",
 354                         textview_link_popup_entries,
 355                         G_N_ELEMENTS(textview_link_popup_entries), (gpointer)textview);
 356         textview->mail_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 357                         "TextviewPopupMail",
 358                         textview_mail_popup_entries,
 359                         G_N_ELEMENTS(textview_mail_popup_entries), (gpointer)textview);
 360         textview->file_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 361                         "TextviewPopupFile",
 362                         textview_file_popup_entries,
 363                         G_N_ELEMENTS(textview_file_popup_entries), (gpointer)textview);
 364
 365         MENUITEM_ADDUI_MANAGER(textview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 366         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 367                         "/Menus", "TextviewPopupLink", "TextviewPopupLink", GTK_UI_MANAGER_MENU)
 368         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 369                         "/Menus", "TextviewPopupMail", "TextviewPopupMail", GTK_UI_MANAGER_MENU)
 370         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 371                         "/Menus", "TextviewPopupFile", "TextviewPopupFile", GTK_UI_MANAGER_MENU)
 372
 373         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 374                         "/Menus/TextviewPopupLink", "Open", "TextviewPopupLink/Open", GTK_UI_MANAGER_MENUITEM)
 375         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 376                         "/Menus/TextviewPopupLink", "Copy", "TextviewPopupLink/Copy", GTK_UI_MANAGER_MENUITEM)
 377         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 378                         "/Menus/TextviewPopupMail", "Compose", "TextviewPopupMail/Compose", GTK_UI_MANAGER_MENUITEM)
 379         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 380                         "/Menus/TextviewPopupMail", "ReplyTo", "TextviewPopupMail/ReplyTo", GTK_UI_MANAGER_MENUITEM)
 381         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 382                         "/Menus/TextviewPopupMail", "AddAB", "TextviewPopupMail/AddAB", GTK_UI_MANAGER_MENUITEM)
 383         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 384                         "/Menus/TextviewPopupMail", "Copy", "TextviewPopupMail/Copy", GTK_UI_MANAGER_MENUITEM)
 385         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 386                         "/Menus/TextviewPopupFile", "Open", "TextviewPopupFile/Open", GTK_UI_MANAGER_MENUITEM)
 387         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 388                         "/Menus/TextviewPopupFile", "Save", "TextviewPopupFile/Save", GTK_UI_MANAGER_MENUITEM)
 389
 390         textview->link_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 391                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupLink")) );
 392         textview->mail_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 393                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupMail")) );
 394         textview->file_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 395                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupFile")) );
 396
 397         textview->vbox               = vbox;
 398         textview->scrolledwin        = scrolledwin;
 399         textview->text               = text;
 400         textview->uri_list           = NULL;
 401         textview->body_pos           = 0;
 402         textview->last_buttonpress   = GDK_NOTHING;
 403         textview->image              = NULL;
 404         return textview;
 405 }
 406
 407 static void textview_create_tags(GtkTextView *text, TextView *textview)
 408 {
 409         GtkTextBuffer *buffer;
 410         GtkTextTag *tag, *qtag;
 411 #if !GTK_CHECK_VERSION(3, 0, 0)
 412         static GdkColor yellow, black;
 413         static gboolean color_init = FALSE;
 414 #else
 415         static GdkColor yellow = { (guint32)0, (guint16)0xf5, (guint16)0xf6, (guint16)0xbe };
 416         static GdkColor black = { (guint32)0, (guint16)0x0, (guint16)0x0, (guint16)0x0 };
 417 #endif
 418         static PangoFontDescription *font_desc, *bold_font_desc;
 419
 420 #if !GTK_CHECK_VERSION(3, 0, 0)
 421         if (!color_init) {
 422                 gdk_color_parse("#f5f6be", &yellow);
 423                 gdk_color_parse("#000000", &black);
 424                 color_init = gdk_colormap_alloc_color(
 425                         gdk_colormap_get_system(), &yellow, FALSE, TRUE);
 426                 color_init &= gdk_colormap_alloc_color(
 427                         gdk_colormap_get_system(), &black, FALSE, TRUE);
 428         }
 429 #endif
 430
 431         if (!font_desc)
 432                 font_desc = pango_font_description_from_string
 433                         (NORMAL_FONT);
 434
 435         if (!bold_font_desc) {
 436                 if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
 437                         bold_font_desc = pango_font_description_from_string
 438                                 (NORMAL_FONT);
 439                         pango_font_description_set_weight
 440                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
 441                 } else {
 442                         bold_font_desc = pango_font_description_from_string
 443                                 (BOLD_FONT);
 444                 }
 445         }
 446
 447         buffer = gtk_text_view_get_buffer(text);
 448
 449         gtk_text_buffer_create_tag(buffer, "header",
 450                                    "pixels-above-lines", 0,
 451                                    "pixels-above-lines-set", TRUE,
 452                                    "pixels-below-lines", 0,
 453                                    "pixels-below-lines-set", TRUE,
 454                                    "font-desc", font_desc,
 455                                    "left-margin", 3,
 456                                    "left-margin-set", TRUE,
 457                                    NULL);
 458         gtk_text_buffer_create_tag(buffer, "header_title",
 459                                    "font-desc", bold_font_desc,
 460                                    NULL);
 461         tag = gtk_text_buffer_create_tag(buffer, "hlink",
 462                                    "pixels-above-lines", 0,
 463                                    "pixels-above-lines-set", TRUE,
 464                                    "pixels-below-lines", 0,
 465                                    "pixels-below-lines-set", TRUE,
 466                                    "font-desc", font_desc,
 467                                    "left-margin", 3,
 468                                    "left-margin-set", TRUE,
 469                                    "foreground-gdk", &uri_color,
 470                                    NULL);
 471         g_signal_connect(G_OBJECT(tag), "event",
 472                          G_CALLBACK(textview_uri_button_pressed), textview);
 473         if (prefs_common.enable_bgcolor) {
 474                 gtk_text_buffer_create_tag(buffer, "quote0",
 475                                 "foreground-gdk", &quote_colors[0],
 476                                 "paragraph-background-gdk", &quote_bgcolors[0],
 477                                 NULL);
 478                 gtk_text_buffer_create_tag(buffer, "quote1",
 479                                 "foreground-gdk", &quote_colors[1],
 480                                 "paragraph-background-gdk", &quote_bgcolors[1],
 481                                 NULL);
 482                 gtk_text_buffer_create_tag(buffer, "quote2",
 483                                 "foreground-gdk", &quote_colors[2],
 484                                 "paragraph-background-gdk", &quote_bgcolors[2],
 485                                 NULL);
 486         } else {
 487                 gtk_text_buffer_create_tag(buffer, "quote0",
 488                                 "foreground-gdk", &quote_colors[0],
 489                                 NULL);
 490                 gtk_text_buffer_create_tag(buffer, "quote1",
 491                                 "foreground-gdk", &quote_colors[1],
 492                                 NULL);
 493                 gtk_text_buffer_create_tag(buffer, "quote2",
 494                                 "foreground-gdk", &quote_colors[2],
 495                                 NULL);
 496         }
 497         gtk_text_buffer_create_tag(buffer, "tags",
 498                         "foreground-gdk", &black,
 499                         "paragraph-background-gdk", &yellow,
 500                         NULL);
 501         gtk_text_buffer_create_tag(buffer, "emphasis",
 502                         "foreground-gdk", &emphasis_color,
 503                         NULL);
 504         gtk_text_buffer_create_tag(buffer, "signature",
 505                         "foreground-gdk", &signature_color,
 506                         NULL);
 507         tag = gtk_text_buffer_create_tag(buffer, "link",
 508                         "foreground-gdk", &uri_color,
 509                         NULL);
 510         qtag = gtk_text_buffer_create_tag(buffer, "qlink",
 511                         NULL);
 512         gtk_text_buffer_create_tag(buffer, "link-hover",
 513                         "underline", PANGO_UNDERLINE_SINGLE,
 514                         NULL);
 515         gtk_text_buffer_create_tag(buffer, "diff-add",
 516                         "foreground-gdk", &diff_added_color,
 517                         NULL);
 518         gtk_text_buffer_create_tag(buffer, "diff-del",
 519                         "foreground-gdk", &diff_deleted_color,
 520                         NULL);
 521         gtk_text_buffer_create_tag(buffer, "diff-add-file",
 522                         "foreground-gdk", &diff_added_color,
 523                         "weight", PANGO_WEIGHT_BOLD,
 524                         NULL);
 525         gtk_text_buffer_create_tag(buffer, "diff-del-file",
 526                         "foreground-gdk", &diff_deleted_color,
 527                         "weight", PANGO_WEIGHT_BOLD,
 528                         NULL);
 529         gtk_text_buffer_create_tag(buffer, "diff-hunk",
 530                         "foreground-gdk", &diff_hunk_color,
 531                         "weight", PANGO_WEIGHT_BOLD,
 532                         NULL);
 533         g_signal_connect(G_OBJECT(qtag), "event",
 534                          G_CALLBACK(textview_uri_button_pressed), textview);
 535         g_signal_connect(G_OBJECT(tag), "event",
 536                          G_CALLBACK(textview_uri_button_pressed), textview);
 537 /*      if (font_desc)
 538                 pango_font_description_free(font_desc);
 539         if (bold_font_desc)
 540                 pango_font_description_free(bold_font_desc);*/
 541  }
 542
 543 void textview_init(TextView *textview)
 544 {
 545         if (!hand_cursor)
 546                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 547         if (!text_cursor)
 548                 text_cursor = gdk_cursor_new(GDK_XTERM);
 549         if (!watch_cursor)
 550                 watch_cursor = gdk_cursor_new(GDK_WATCH);
 551
 552         textview_reflect_prefs(textview);
 553         textview_set_font(textview, NULL);
 554         textview_create_tags(GTK_TEXT_VIEW(textview->text), textview);
 555 }
 556
 557  #define CHANGE_TAG_COLOR(tagname, colorfg, colorbg) { \
 558         tag = gtk_text_tag_table_lookup(tags, tagname); \
 559         if (tag) \
 560                 g_object_set(G_OBJECT(tag), "foreground-gdk", colorfg, "paragraph-background-gdk", colorbg, NULL); \
 561  }
 562
 563 static void textview_update_message_colors(TextView *textview)
 564 {
 565         GdkColor black = {0, 0, 0, 0};
 566         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
 567
 568         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
 569         GtkTextTag *tag = NULL;
 570
 571         quote_bgcolors[0] = quote_bgcolors[1] = quote_bgcolors[2] = black;
 572         quote_colors[0] = quote_colors[1] = quote_colors[2] = black;
 573         uri_color = emphasis_color = signature_color = diff_added_color =
 574                 diff_deleted_color = diff_hunk_color = black;
 575
 576         if (prefs_common.enable_color) {
 577                 /* grab the quote colors, converting from an int to a GdkColor */
 578                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
 579                                                &quote_colors[0]);
 580                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
 581                                                &quote_colors[1]);
 582                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
 583                                                &quote_colors[2]);
 584                 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
 585                                                &uri_color);
 586                 gtkut_convert_int_to_gdk_color(prefs_common.signature_col,
 587                                                &signature_color);
 588                 gtkut_convert_int_to_gdk_color(prefs_common.emphasis_col,
 589                                                &emphasis_color);
 590                 gtkut_convert_int_to_gdk_color(prefs_common.diff_added_color,
 591                                                &diff_added_color);
 592                 gtkut_convert_int_to_gdk_color(prefs_common.diff_deleted_color,
 593                                                &diff_deleted_color);
 594                 gtkut_convert_int_to_gdk_color(prefs_common.diff_hunk_color,
 595                                                &diff_hunk_color);
 596         }
 597         if (prefs_common.enable_color && prefs_common.enable_bgcolor) {
 598                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_bgcol,
 599                                                    &quote_bgcolors[0]);
 600                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_bgcol,
 601                                                    &quote_bgcolors[1]);
 602                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_bgcol,
 603                                                    &quote_bgcolors[2]);
 604                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], &quote_bgcolors[0]);
 605                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], &quote_bgcolors[1]);
 606                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], &quote_bgcolors[2]);
 607         } else {
 608                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], NULL);
 609                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], NULL);
 610                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], NULL);
 611         }
 612
 613         CHANGE_TAG_COLOR("emphasis", &emphasis_color, NULL);
 614         CHANGE_TAG_COLOR("signature", &signature_color, NULL);
 615         CHANGE_TAG_COLOR("link", &uri_color, NULL);
 616         CHANGE_TAG_COLOR("link-hover", &uri_color, NULL);
 617         CHANGE_TAG_COLOR("diff-add", &diff_added_color, NULL);
 618         CHANGE_TAG_COLOR("diff-del", &diff_deleted_color, NULL);
 619         CHANGE_TAG_COLOR("diff-add-file", &diff_added_color, NULL);
 620         CHANGE_TAG_COLOR("diff-del-file", &diff_deleted_color, NULL);
 621         CHANGE_TAG_COLOR("diff-hunk", &diff_hunk_color, NULL);
 622 }
 623 #undef CHANGE_TAG_COLOR
 624
 625 void textview_reflect_prefs(TextView *textview)
 626 {
 627         textview_set_font(textview, NULL);
 628         textview_update_message_colors(textview);
 629         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textview->text),
 630                                          prefs_common.textview_cursor_visible);
 631 }
 632
 633 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
 634 {
 635         START_TIMING("");
 636         cm_return_if_fail(mimeinfo != NULL);
 637         cm_return_if_fail(fp != NULL);
 638
 639         if ((mimeinfo->type == MIMETYPE_MULTIPART) ||
 640             ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822"))) {
 641                 textview->loading = TRUE;
 642                 textview->stop_loading = FALSE;
 643
 644                 textview_clear(textview);
 645                 textview_add_parts(textview, mimeinfo);
 646
 647                 textview->loading = FALSE;
 648                 textview->stop_loading = FALSE;
 649                 END_TIMING();
 650                 return;
 651         }
 652         textview->loading = TRUE;
 653         textview->stop_loading = FALSE;
 654
 655         if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0)
 656                 perror("fseek");
 657
 658         textview_clear(textview);
 659
 660         if (mimeinfo->type == MIMETYPE_MULTIPART)
 661                 textview_add_parts(textview, mimeinfo);
 662         else
 663                 textview_write_body(textview, mimeinfo);
 664
 665         textview->loading = FALSE;
 666         textview->stop_loading = FALSE;
 667         END_TIMING();
 668 }
 669
 670 static void textview_add_part(TextView *textview, MimeInfo *mimeinfo)
 671 {
 672         GtkAllocation allocation;
 673         GtkTextView *text;
 674         GtkTextBuffer *buffer;
 675         GtkTextIter iter, start_iter;
 676         gchar buf[BUFFSIZE];
 677         GPtrArray *headers = NULL;
 678         const gchar *name;
 679         gchar *content_type;
 680         gint charcount;
 681         START_TIMING("");
 682
 683         cm_return_if_fail(mimeinfo != NULL);
 684         text = GTK_TEXT_VIEW(textview->text);
 685         buffer = gtk_text_view_get_buffer(text);
 686         charcount = gtk_text_buffer_get_char_count(buffer);
 687         gtk_text_buffer_get_end_iter(buffer, &iter);
 688
 689         if (textview->stop_loading) {
 690                 return;
 691         }
 692         if (mimeinfo->type == MIMETYPE_MULTIPART) {
 693                 END_TIMING();
 694                 return;
 695         }
 696
 697         textview->prev_quote_level = -1;
 698
 699         if ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822")) {
 700                 FILE *fp;
 701                 if (mimeinfo->content == MIMECONTENT_MEM)
 702                         fp = str_open_as_stream(mimeinfo->data.mem);
 703                 else
 704                         fp = g_fopen(mimeinfo->data.filename, "rb");
 705                 if (!fp) {
 706                         FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
 707                         END_TIMING();
 708                         return;
 709                 }
 710                 fseek(fp, mimeinfo->offset, SEEK_SET);
 711                 headers = textview_scan_header(textview, fp);
 712                 if (headers) {
 713                         if (charcount > 0)
 714                                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 715
 716                         if (procmime_mimeinfo_parent(mimeinfo) == NULL)
 717                                 textview_show_tags(textview);
 718                         textview_show_header(textview, headers);
 719                         procheader_header_array_destroy(headers);
 720                 }
 721                 fclose(fp);
 722                 END_TIMING();
 723                 return;
 724         }
 725
 726         name = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
 727         content_type = procmime_get_content_type_str(mimeinfo->type,
 728                                                      mimeinfo->subtype);
 729         if (name == NULL)
 730                 name = procmime_mimeinfo_get_parameter(mimeinfo, "name");
 731         if (name != NULL)
 732                 g_snprintf(buf, sizeof(buf), _("[%s  %s (%d bytes)]"),
 733                            name, content_type, mimeinfo->length);
 734         else
 735                 g_snprintf(buf, sizeof(buf), _("[%s (%d bytes)]"),
 736                            content_type, mimeinfo->length);
 737
 738         g_free(content_type);
 739
 740         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
 741         || (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
 742             mimeinfo->type != MIMETYPE_TEXT)) {
 743                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 744                 TEXTVIEW_INSERT_LINK(buf, "sc://select_attachment", mimeinfo);
 745                 gtk_text_buffer_insert(buffer, &iter, " \n", -1);
 746                 if (mimeinfo->type == MIMETYPE_IMAGE  &&
 747                     prefs_common.inline_img ) {
 748                         GdkPixbuf *pixbuf;
 749                         GError *error = NULL;
 750                         gchar *filename;
 751                         ClickableText *uri;
 752                         gchar *uri_str;
 753                         gint err;
 754                         START_TIMING("inserting image");
 755
 756                         filename = procmime_get_tmp_file_name(mimeinfo);
 757
 758                         if ((err = procmime_get_part(filename, mimeinfo)) < 0) {
 759                                 g_warning("Can't get the image file.(%s)", strerror(-err));
 760                                 g_free(filename);
 761                                 END_TIMING();
 762                                 return;
 763                         }
 764
 765                         pixbuf = gdk_pixbuf_new_from_file(filename, &error);
 766                         if (textview->stop_loading) {
 767                                 return;
 768                         }
 769                         if (error != NULL) {
 770                                 g_warning("%s\n", error->message);
 771                                 g_error_free(error);
 772                         }
 773                         if (!pixbuf) {
 774                                 g_warning("Can't load the image.");
 775                                 g_free(filename);
 776                                 END_TIMING();
 777                                 return;
 778                         }
 779
 780                         gtk_widget_get_allocation(textview->scrolledwin, &allocation);
 781                         pixbuf = claws_load_pixbuf_fitting(pixbuf,
 782                                         allocation.width,
 783                                         allocation.height);
 784
 785                         if (textview->stop_loading) {
 786                                 return;
 787                         }
 788
 789                         uri_str = g_filename_to_uri(filename, NULL, NULL);
 790                         if (uri_str) {
 791                                 uri = g_new0(ClickableText, 1);
 792                                 uri->uri = uri_str;
 793                                 uri->start = gtk_text_iter_get_offset(&iter);
 794
 795                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 796                                 if (textview->stop_loading) {
 797                                         g_free(uri);
 798                                         return;
 799                                 }
 800                                 uri->end = uri->start + 1;
 801                                 uri->filename = procmime_get_part_file_name(mimeinfo);
 802                                 textview->uri_list =
 803                                         g_slist_prepend(textview->uri_list, uri);
 804
 805                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 806                                 gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, uri->start);
 807                                 gtk_text_buffer_apply_tag_by_name(buffer, "link",
 808                                                 &start_iter, &iter);
 809                         } else {
 810                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 811                                 if (textview->stop_loading) {
 812                                         return;
 813                                 }
 814                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 815                         }
 816
 817                         g_object_unref(pixbuf);
 818                         g_free(filename);
 819                         END_TIMING();
 820                         GTK_EVENTS_FLUSH();
 821                 }
 822         } else if (mimeinfo->type == MIMETYPE_TEXT) {
 823                 if (prefs_common.display_header && (charcount > 0))
 824                         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 825
 826                 textview_write_body(textview, mimeinfo);
 827         }
 828         END_TIMING();
 829 }
 830
 831 static void recursive_add_parts(TextView *textview, GNode *node)
 832 {
 833         GNode * iter;
 834         MimeInfo *mimeinfo;
 835         START_TIMING("");
 836
 837         mimeinfo = (MimeInfo *) node->data;
 838
 839         textview_add_part(textview, mimeinfo);
 840 #ifdef GENERIC_UMPC
 841         textview_set_position(textview, 0);
 842 #endif
 843         if ((mimeinfo->type != MIMETYPE_MULTIPART) &&
 844             (mimeinfo->type != MIMETYPE_MESSAGE)) {
 845                 END_TIMING();
 846                 return;
 847         }
 848         if (g_ascii_strcasecmp(mimeinfo->subtype, "alternative") == 0) {
 849                 GNode * prefered_body;
 850                 int prefered_score;
 851
 852                 /*
 853                   text/plain : score 3
 854                   text/ *    : score 2
 855                   other      : score 1
 856                 */
 857                 prefered_body = NULL;
 858                 prefered_score = 0;
 859
 860                 for (iter = g_node_first_child(node) ; iter != NULL ;
 861                      iter = g_node_next_sibling(iter)) {
 862                         int score;
 863                         MimeInfo * submime;
 864
 865                         score = 1;
 866                         submime = (MimeInfo *) iter->data;
 867                         if (submime->type == MIMETYPE_TEXT)
 868                                 score = 2;
 869
 870                         if (submime->subtype != NULL) {
 871                                 if (g_ascii_strcasecmp(submime->subtype, "plain") == 0)
 872                                         score = 3;
 873                         }
 874
 875                         if (score > prefered_score) {
 876                                 prefered_score = score;
 877                                 prefered_body = iter;
 878                         }
 879                 }
 880
 881                 if (prefered_body != NULL) {
 882                         recursive_add_parts(textview, prefered_body);
 883                 }
 884         }
 885         else {
 886                 for (iter = g_node_first_child(node) ; iter != NULL ;
 887                      iter = g_node_next_sibling(iter)) {
 888                         recursive_add_parts(textview, iter);
 889                 }
 890         }
 891         END_TIMING();
 892 }
 893
 894 static void textview_add_parts(TextView *textview, MimeInfo *mimeinfo)
 895 {
 896         cm_return_if_fail(mimeinfo != NULL);
 897
 898         recursive_add_parts(textview, mimeinfo->node);
 899 }
 900
 901 void textview_show_error(TextView *textview)
 902 {
 903         GtkTextView *text;
 904         GtkTextBuffer *buffer;
 905         GtkTextIter iter;
 906
 907         textview_set_font(textview, NULL);
 908         textview_clear(textview);
 909
 910         text = GTK_TEXT_VIEW(textview->text);
 911         buffer = gtk_text_view_get_buffer(text);
 912         gtk_text_buffer_get_start_iter(buffer, &iter);
 913
 914         TEXTVIEW_INSERT(_("\n"
 915                       "  This message can't be displayed.\n"
 916                       "  This is probably due to a network error.\n"
 917                       "\n"
 918                       "  Use "));
 919         TEXTVIEW_INSERT_LINK(_("'Network Log'"), "sc://view_log", NULL);
 920         TEXTVIEW_INSERT(_(" in the Tools menu for more information."));
 921         textview_show_icon(textview, GTK_STOCK_DIALOG_ERROR);
 922 }
 923
 924 void textview_show_info(TextView *textview, const gchar *info_str)
 925 {
 926         GtkTextView *text;
 927         GtkTextBuffer *buffer;
 928         GtkTextIter iter;
 929
 930         textview_set_font(textview, NULL);
 931         textview_clear(textview);
 932
 933         text = GTK_TEXT_VIEW(textview->text);
 934         buffer = gtk_text_view_get_buffer(text);
 935         gtk_text_buffer_get_start_iter(buffer, &iter);
 936
 937         TEXTVIEW_INSERT(info_str);
 938         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
 939         textview_cursor_normal(textview);
 940 }
 941
 942 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
 943 {
 944         GtkTextView *text;
 945         GtkTextBuffer *buffer;
 946         GtkTextIter iter;
 947         const gchar *name;
 948         gchar *content_type, *shortcut;
 949         GtkUIManager *ui_manager;
 950
 951         if (!partinfo) return;
 952
 953         if (textview->messageview->window != NULL)
 954                 ui_manager = textview->messageview->ui_manager;
 955         else
 956                 ui_manager = textview->messageview->mainwin->ui_manager;
 957
 958         textview_set_font(textview, NULL);
 959         textview_clear(textview);
 960
 961         text = GTK_TEXT_VIEW(textview->text);
 962         buffer = gtk_text_view_get_buffer(text);
 963         gtk_text_buffer_get_start_iter(buffer, &iter);
 964
 965         TEXTVIEW_INSERT("\n");
 966
 967         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 968         if (name == NULL)
 969                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 970         if (name != NULL) {
 971                 content_type = procmime_get_content_type_str(partinfo->type,
 972                                                      partinfo->subtype);
 973                 TEXTVIEW_INSERT("  ");
 974                 TEXTVIEW_INSERT_BOLD(name);
 975                 TEXTVIEW_INSERT(" (");
 976                 TEXTVIEW_INSERT(content_type);
 977                 TEXTVIEW_INSERT(", ");
 978                 TEXTVIEW_INSERT(to_human_readable((goffset)partinfo->length));
 979                 TEXTVIEW_INSERT("):\n\n");
 980
 981                 g_free(content_type);
 982         }
 983         TEXTVIEW_INSERT(_("  The following can be performed on this part\n"));
 984 #ifndef GENERIC_UMPC
 985         TEXTVIEW_INSERT(_("  by right-clicking the icon or list item:"));
 986 #endif
 987         TEXTVIEW_INSERT("\n");
 988
 989         TEXTVIEW_INSERT(_("     - To save, select "));
 990         TEXTVIEW_INSERT_LINK(_("'Save as...'"), "sc://save_as", NULL);
 991 #ifndef GENERIC_UMPC
 992         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
 993         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/File/SavePartAs");
 994         TEXTVIEW_INSERT(shortcut);
 995         g_free(shortcut);
 996         TEXTVIEW_INSERT("')");
 997 #endif
 998         TEXTVIEW_INSERT("\n");
 999
1000         TEXTVIEW_INSERT(_("     - To display as text, select "));
1001         TEXTVIEW_INSERT_LINK(_("'Display as text'"), "sc://display_as_text", NULL);
1002
1003 #ifndef GENERIC_UMPC
1004         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
1005         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/AsText");
1006         TEXTVIEW_INSERT(shortcut);
1007         g_free(shortcut);
1008         TEXTVIEW_INSERT("')");
1009 #endif
1010         TEXTVIEW_INSERT("\n");
1011
1012         TEXTVIEW_INSERT(_("     - To open with an external program, select "));
1013         TEXTVIEW_INSERT_LINK(_("'Open'"), "sc://open", NULL);
1014
1015 #ifndef GENERIC_UMPC
1016         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
1017         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/Open");
1018         TEXTVIEW_INSERT(shortcut);
1019         g_free(shortcut);
1020         TEXTVIEW_INSERT("')\n");
1021         TEXTVIEW_INSERT(_("       (alternately double-click, or click the middle "));
1022         TEXTVIEW_INSERT(_("mouse button)\n"));
1023 #ifndef G_OS_WIN32
1024         TEXTVIEW_INSERT(_("     - Or use "));
1025         TEXTVIEW_INSERT_LINK(_("'Open with...'"), "sc://open_with", NULL);
1026         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
1027         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/OpenWith");
1028         TEXTVIEW_INSERT(shortcut);
1029         g_free(shortcut);
1030         TEXTVIEW_INSERT("')");
1031 #endif
1032 #endif
1033         TEXTVIEW_INSERT("\n");
1034
1035         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
1036 }
1037
1038 static void textview_write_body(TextView *textview, MimeInfo *mimeinfo)
1039 {
1040         FILE *tmpfp;
1041         gchar buf[BUFFSIZE];
1042         CodeConverter *conv;
1043         const gchar *charset, *p, *cmd;
1044         GSList *cur;
1045         gboolean continue_write = TRUE;
1046         size_t wrote = 0, i = 0;
1047
1048         if (textview->messageview->forced_charset)
1049                 charset = textview->messageview->forced_charset;
1050         else {
1051                 /* use supersets transparently when possible */
1052                 charset = procmime_mimeinfo_get_parameter(mimeinfo, "charset");
1053                 if (charset && !strcasecmp(charset, CS_ISO_8859_1))
1054                         charset = CS_WINDOWS_1252;
1055                 else if (charset && !strcasecmp(charset, CS_X_GBK))
1056                         charset = CS_GB18030;
1057                 else if (charset && !strcasecmp(charset, CS_GBK))
1058                         charset = CS_GB18030;
1059                 else if (charset && !strcasecmp(charset, CS_GB2312))
1060                         charset = CS_GB18030;
1061         }
1062
1063         textview_set_font(textview, charset);
1064
1065         conv = conv_code_converter_new(charset);
1066
1067         procmime_force_encoding(textview->messageview->forced_encoding);
1068
1069         textview->is_in_signature = FALSE;
1070         textview->is_diff = FALSE;
1071
1072         procmime_decode_content(mimeinfo);
1073
1074         if (!g_ascii_strcasecmp(mimeinfo->subtype, "html") &&
1075             prefs_common.render_html) {
1076                 gchar *filename;
1077
1078                 filename = procmime_get_tmp_file_name(mimeinfo);
1079                 if (procmime_get_part(filename, mimeinfo) == 0) {
1080                         tmpfp = g_fopen(filename, "rb");
1081                         textview_show_html(textview, tmpfp, conv);
1082                         fclose(tmpfp);
1083                         claws_unlink(filename);
1084                 }
1085                 g_free(filename);
1086         } else if (!g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
1087                 gchar *filename;
1088
1089                 filename = procmime_get_tmp_file_name(mimeinfo);
1090                 if (procmime_get_part(filename, mimeinfo) == 0) {
1091                         tmpfp = g_fopen(filename, "rb");
1092                         textview_show_ertf(textview, tmpfp, conv);
1093                         fclose(tmpfp);
1094                         claws_unlink(filename);
1095                 }
1096                 g_free(filename);
1097 #ifndef G_OS_WIN32
1098         } else if ( g_ascii_strcasecmp(mimeinfo->subtype, "plain") &&
1099                    (cmd = prefs_common.mime_textviewer) && *cmd &&
1100                    (p = strchr(cmd, '%')) && *(p + 1) == 's') {
1101                 int pid, pfd[2];
1102                 const gchar *fname;
1103
1104                 fname  = procmime_get_tmp_file_name(mimeinfo);
1105                 if (procmime_get_part(fname, mimeinfo)) goto textview_default;
1106
1107                 g_snprintf(buf, sizeof(buf), cmd, fname);
1108                 debug_print("Viewing text content of type: %s (length: %d) "
1109                         "using %s\n", mimeinfo->subtype, mimeinfo->length, buf);
1110
1111                 if (pipe(pfd) < 0) {
1112                         g_snprintf(buf, sizeof(buf),
1113                                 "pipe failed for textview\n\n%s\n", strerror(errno));
1114                         textview_write_line(textview, buf, conv, TRUE);
1115                         goto textview_default;
1116                 }
1117                 pid = fork();
1118                 if (pid < 0) {
1119                         g_snprintf(buf, sizeof(buf),
1120                                 "fork failed for textview\n\n%s\n", strerror(errno));
1121                         textview_write_line(textview, buf, conv, TRUE);
1122                         close(pfd[0]);
1123                         close(pfd[1]);
1124                         goto textview_default;
1125                 }
1126                 if (pid == 0) { /* child */
1127                         int rc;
1128                         gchar **argv;
1129                         argv = strsplit_with_quote(buf, " ", 0);
1130                         close(1);
1131                         close(pfd[0]);
1132                         rc = dup(pfd[1]);
1133                         rc = execvp(argv[0], argv);
1134                         close(pfd[1]);
1135                         g_print(_("The command to view attachment "
1136                                 "as text failed:\n"
1137                                 "    %s\n"
1138                                 "Exit code %d\n"), buf, rc);
1139                         exit(255);
1140                 }
1141                 close(pfd[1]);
1142                 tmpfp = fdopen(pfd[0], "rb");
1143                 while (fgets(buf, sizeof(buf), tmpfp)) {
1144                         textview_write_line(textview, buf, conv, TRUE);
1145
1146                         if (textview->stop_loading) {
1147                                 fclose(tmpfp);
1148                                 waitpid(pid, pfd, 0);
1149                                 g_unlink(fname);
1150                                 return;
1151                         }
1152                 }
1153
1154                 fclose(tmpfp);
1155                 waitpid(pid, pfd, 0);
1156                 g_unlink(fname);
1157 #endif
1158         } else {
1159 textview_default:
1160                 if (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
1161                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff"))
1162                         textview->is_diff = TRUE;
1163
1164                 if (mimeinfo->content == MIMECONTENT_MEM)
1165                         tmpfp = str_open_as_stream(mimeinfo->data.mem);
1166                 else
1167                         tmpfp = g_fopen(mimeinfo->data.filename, "rb");
1168                 if (!tmpfp) {
1169                         FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1170                         return;
1171                 }
1172                 fseek(tmpfp, mimeinfo->offset, SEEK_SET);
1173                 debug_print("Viewing text content of type: %s (length: %d)\n", mimeinfo->subtype, mimeinfo->length);
1174                 while (((i = ftell(tmpfp)) < mimeinfo->offset + mimeinfo->length) &&
1175                        (fgets(buf, sizeof(buf), tmpfp) != NULL)
1176                        && continue_write) {
1177                         textview_write_line(textview, buf, conv, TRUE);
1178                         if (textview->stop_loading) {
1179                                 fclose(tmpfp);
1180                                 return;
1181                         }
1182                         wrote += ftell(tmpfp)-i;
1183                         if (mimeinfo->length > 1024*1024
1184                         &&  wrote > 1024*1024
1185                         && !textview->messageview->show_full_text) {
1186                                 continue_write = FALSE;
1187                         }
1188                 }
1189                 fclose(tmpfp);
1190         }
1191
1192         conv_code_converter_destroy(conv);
1193         procmime_force_encoding(0);
1194
1195         textview->uri_list = g_slist_reverse(textview->uri_list);
1196         for (cur = textview->uri_list; cur; cur = cur->next) {
1197                 ClickableText *uri = (ClickableText *)cur->data;
1198                 if (!uri->is_quote)
1199                         continue;
1200                 if (!prefs_common.hide_quotes ||
1201                     uri->quote_level+1 < prefs_common.hide_quotes) {
1202                         textview_toggle_quote(textview, cur, uri, TRUE);
1203                         if (textview->stop_loading) {
1204                                 return;
1205                         }
1206                 }
1207         }
1208
1209         if (continue_write == FALSE) {
1210                 messageview_show_partial_display(
1211                         textview->messageview,
1212                         textview->messageview->msginfo,
1213                         mimeinfo->length);
1214         }
1215         GTK_EVENTS_FLUSH();
1216 }
1217
1218 static void textview_show_html(TextView *textview, FILE *fp,
1219                                CodeConverter *conv)
1220 {
1221         SC_HTMLParser *parser;
1222         gchar *str;
1223         gint lines = 0;
1224
1225         parser = sc_html_parser_new(fp, conv);
1226         cm_return_if_fail(parser != NULL);
1227
1228         while ((str = sc_html_parse(parser)) != NULL) {
1229                 if (parser->state == SC_HTML_HREF) {
1230                         /* first time : get and copy the URL */
1231                         if (parser->href == NULL) {
1232                                 /* ALF - the claws html parser returns an empty string,
1233                                  * if still inside an <a>, but already parsed past HREF */
1234                                 str = strtok(str, " ");
1235                                 if (str) {
1236                                         while (str && *str && g_ascii_isspace(*str))
1237                                                 str++;
1238                                         parser->href = g_strdup(str);
1239                                         /* the URL may (or not) be followed by the
1240                                          * referenced text */
1241                                         str = strtok(NULL, "");
1242                                 }
1243                         }
1244                         if (str != NULL)
1245                                 textview_write_link(textview, str, parser->href, NULL);
1246                 } else
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         textview_write_line(textview, "\n", NULL, FALSE);
1256         sc_html_parser_destroy(parser);
1257 }
1258
1259 static void textview_show_ertf(TextView *textview, FILE *fp,
1260                                CodeConverter *conv)
1261 {
1262         ERTFParser *parser;
1263         gchar *str;
1264         gint lines = 0;
1265
1266         parser = ertf_parser_new(fp, conv);
1267         cm_return_if_fail(parser != NULL);
1268
1269         while ((str = ertf_parse(parser)) != NULL) {
1270                 textview_write_line(textview, str, NULL, FALSE);
1271                 lines++;
1272                 if (lines % 500 == 0)
1273                         GTK_EVENTS_FLUSH();
1274                 if (textview->stop_loading) {
1275                         return;
1276                 }
1277         }
1278
1279         ertf_parser_destroy(parser);
1280 }
1281
1282 #define ADD_TXT_POS(bp_, ep_, pti_) \
1283         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1284                 last = last->next; \
1285                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1286                 last->next = NULL; \
1287         } else { \
1288                 g_warning("alloc error scanning URIs\n"); \
1289                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, \
1290                                                          linebuf, -1, \
1291                                                          fg_tag, NULL); \
1292                 return; \
1293         }
1294
1295 #define ADD_TXT_POS_LATER(bp_, ep_, pti_) \
1296         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1297                 last = last->next; \
1298                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1299                 last->next = NULL; \
1300         } else { \
1301                 g_warning("alloc error scanning URIs\n"); \
1302         }
1303
1304 /* textview_make_clickable_parts() - colorizes clickable parts */
1305 static void textview_make_clickable_parts(TextView *textview,
1306                                           const gchar *fg_tag,
1307                                           const gchar *uri_tag,
1308                                           const gchar *linebuf,
1309                                           gboolean hdr)
1310 {
1311         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1312         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1313         GtkTextIter iter;
1314         gchar *mybuf = g_strdup(linebuf);
1315
1316         /* parse table - in order of priority */
1317         struct table {
1318                 const gchar *needle; /* token */
1319
1320                 /* token search function */
1321                 gchar    *(*search)     (const gchar *haystack,
1322                                          const gchar *needle);
1323                 /* part parsing function */
1324                 gboolean  (*parse)      (const gchar *start,
1325                                          const gchar *scanpos,
1326                                          const gchar **bp_,
1327                                          const gchar **ep_,
1328                                          gboolean hdr);
1329                 /* part to URI function */
1330                 gchar    *(*build_uri)  (const gchar *bp,
1331                                          const gchar *ep);
1332         };
1333
1334         static struct table parser[] = {
1335                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1336                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1337                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1338                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1339                 {"gopher://",strcasestr, get_uri_part,   make_uri_string},
1340                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1341                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1342                 {"@",        strcasestr, get_email_part, make_email_string}
1343         };
1344         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1345
1346         gint  n;
1347         const gchar *walk, *bp, *ep;
1348
1349         struct txtpos {
1350                 const gchar     *bp, *ep;       /* text position */
1351                 gint             pti;           /* index in parse table */
1352                 struct txtpos   *next;          /* next */
1353         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1354
1355         if (!g_utf8_validate(linebuf, -1, NULL)) {
1356                 g_free(mybuf);
1357                 mybuf = g_malloc(strlen(linebuf)*2 +1);
1358                 conv_localetodisp(mybuf, strlen(linebuf)*2 +1, linebuf);
1359         }
1360
1361         gtk_text_buffer_get_end_iter(buffer, &iter);
1362
1363         /* parse for clickable parts, and build a list of begin and end positions  */
1364         for (walk = mybuf;;) {
1365                 gint last_index = PARSE_ELEMS;
1366                 gchar *scanpos = NULL;
1367
1368                 /* FIXME: this looks phony. scanning for anything in the parse table */
1369                 for (n = 0; n < PARSE_ELEMS; n++) {
1370                         gchar *tmp;
1371
1372                         tmp = parser[n].search(walk, parser[n].needle);
1373                         if (tmp) {
1374                                 if (scanpos == NULL || tmp < scanpos) {
1375                                         scanpos = tmp;
1376                                         last_index = n;
1377                                 }
1378                         }
1379                 }
1380
1381                 if (scanpos) {
1382                         /* check if URI can be parsed */
1383                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, hdr)
1384                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1385                                         ADD_TXT_POS(bp, ep, last_index);
1386                                         walk = ep;
1387                         } else
1388                                 walk = scanpos +
1389                                         strlen(parser[last_index].needle);
1390                 } else
1391                         break;
1392         }
1393
1394         /* colorize this line */
1395         if (head.next) {
1396                 const gchar *normal_text = mybuf;
1397
1398                 /* insert URIs */
1399                 for (last = head.next; last != NULL;
1400                      normal_text = last->ep, last = last->next) {
1401                         ClickableText *uri;
1402                         uri = g_new0(ClickableText, 1);
1403                         if (last->bp - normal_text > 0)
1404                                 gtk_text_buffer_insert_with_tags_by_name
1405                                         (buffer, &iter,
1406                                          normal_text,
1407                                          last->bp - normal_text,
1408                                          fg_tag, NULL);
1409                         uri->uri = parser[last->pti].build_uri(last->bp,
1410                                                                last->ep);
1411                         uri->start = gtk_text_iter_get_offset(&iter);
1412                         gtk_text_buffer_insert_with_tags_by_name
1413                                 (buffer, &iter, last->bp, last->ep - last->bp,
1414                                  uri_tag, fg_tag, NULL);
1415                         uri->end = gtk_text_iter_get_offset(&iter);
1416                         uri->filename = NULL;
1417                         textview->uri_list =
1418                                 g_slist_prepend(textview->uri_list, uri);
1419                 }
1420
1421                 if (*normal_text)
1422                         gtk_text_buffer_insert_with_tags_by_name
1423                                 (buffer, &iter, normal_text, -1, fg_tag, NULL);
1424         } else {
1425                 gtk_text_buffer_insert_with_tags_by_name
1426                         (buffer, &iter, mybuf, -1, fg_tag, NULL);
1427         }
1428         g_free(mybuf);
1429 }
1430
1431 /* textview_make_clickable_parts() - colorizes clickable parts */
1432 static void textview_make_clickable_parts_later(TextView *textview,
1433                                           gint start, gint end)
1434 {
1435         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1436         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1437         GtkTextIter start_iter, end_iter;
1438         gchar *mybuf;
1439         gint offset = 0;
1440         /* parse table - in order of priority */
1441         struct table {
1442                 const gchar *needle; /* token */
1443
1444                 /* token search function */
1445                 gchar    *(*search)     (const gchar *haystack,
1446                                          const gchar *needle);
1447                 /* part parsing function */
1448                 gboolean  (*parse)      (const gchar *start,
1449                                          const gchar *scanpos,
1450                                          const gchar **bp_,
1451                                          const gchar **ep_,
1452                                          gboolean hdr);
1453                 /* part to URI function */
1454                 gchar    *(*build_uri)  (const gchar *bp,
1455                                          const gchar *ep);
1456         };
1457
1458         static struct table parser[] = {
1459                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1460                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1461                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1462                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1463                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1464                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1465                 {"@",        strcasestr, get_email_part, make_email_string}
1466         };
1467         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1468
1469         gint  n;
1470         const gchar *walk, *bp, *ep;
1471
1472         struct txtpos {
1473                 const gchar     *bp, *ep;       /* text position */
1474                 gint             pti;           /* index in parse table */
1475                 struct txtpos   *next;          /* next */
1476         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1477
1478         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start);
1479         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end);
1480         mybuf = gtk_text_buffer_get_text(buffer, &start_iter, &end_iter, FALSE);
1481         offset = gtk_text_iter_get_offset(&start_iter);
1482
1483         /* parse for clickable parts, and build a list of begin and end positions  */
1484         for (walk = mybuf;;) {
1485                 gint last_index = PARSE_ELEMS;
1486                 gchar *scanpos = NULL;
1487
1488                 /* FIXME: this looks phony. scanning for anything in the parse table */
1489                 for (n = 0; n < PARSE_ELEMS; n++) {
1490                         gchar *tmp;
1491
1492                         tmp = parser[n].search(walk, parser[n].needle);
1493                         if (tmp) {
1494                                 if (scanpos == NULL || tmp < scanpos) {
1495                                         scanpos = tmp;
1496                                         last_index = n;
1497                                 }
1498                         }
1499                 }
1500
1501                 if (scanpos) {
1502                         /* check if URI can be parsed */
1503                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, FALSE)
1504                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1505                                         ADD_TXT_POS_LATER(bp, ep, last_index);
1506                                         walk = ep;
1507                         } else
1508                                 walk = scanpos +
1509                                         strlen(parser[last_index].needle);
1510                 } else
1511                         break;
1512         }
1513
1514         /* colorize this line */
1515         if (head.next) {
1516                 /* insert URIs */
1517                 for (last = head.next; last != NULL; last = last->next) {
1518                         ClickableText *uri;
1519                         gint start_offset, end_offset;
1520                         gchar *tmp_str;
1521                         gchar old_char;
1522                         uri = g_new0(ClickableText, 1);
1523                         uri->uri = parser[last->pti].build_uri(last->bp,
1524                                                                last->ep);
1525
1526                         tmp_str = mybuf;
1527                         old_char = tmp_str[last->ep - mybuf];
1528                         tmp_str[last->ep - mybuf] = '\0';
1529                         end_offset = g_utf8_strlen(tmp_str, -1);
1530                         tmp_str[last->ep - mybuf] = old_char;
1531
1532                         old_char = tmp_str[last->bp - mybuf];
1533                         tmp_str[last->bp - mybuf] = '\0';
1534                         start_offset = g_utf8_strlen(tmp_str, -1);
1535                         tmp_str[last->bp - mybuf] = old_char;
1536
1537                         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start_offset + offset);
1538                         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end_offset + offset);
1539
1540                         uri->start = gtk_text_iter_get_offset(&start_iter);
1541
1542                         gtk_text_buffer_apply_tag_by_name(buffer, "link", &start_iter, &end_iter);
1543
1544                         uri->end = gtk_text_iter_get_offset(&end_iter);
1545                         uri->filename = NULL;
1546                         textview->uri_list =
1547                                 g_slist_prepend(textview->uri_list, uri);
1548                 }
1549         }
1550
1551         g_free(mybuf);
1552 }
1553
1554 #undef ADD_TXT_POS
1555
1556 static void textview_write_line(TextView *textview, const gchar *str,
1557                                 CodeConverter *conv, gboolean do_quote_folding)
1558 {
1559         GtkTextView *text;
1560         GtkTextBuffer *buffer;
1561         GtkTextIter iter;
1562         gchar buf[BUFFSIZE];
1563         gchar *fg_color;
1564         gint quotelevel = -1, real_quotelevel = -1;
1565         gchar quote_tag_str[10];
1566
1567         text = GTK_TEXT_VIEW(textview->text);
1568         buffer = gtk_text_view_get_buffer(text);
1569         gtk_text_buffer_get_end_iter(buffer, &iter);
1570
1571         if (!conv)
1572                 strncpy2(buf, str, sizeof(buf));
1573         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1574                 conv_localetodisp(buf, sizeof(buf), str);
1575
1576         strcrchomp(buf);
1577         fg_color = NULL;
1578
1579         /* change color of quotation
1580            >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
1581            Up to 3 levels of quotations are detected, and each
1582            level is colored using a different color. */
1583         if (prefs_common.enable_color
1584             && line_has_quote_char(buf, prefs_common.quote_chars)) {
1585                 real_quotelevel = get_quote_level(buf, prefs_common.quote_chars);
1586                 quotelevel = real_quotelevel;
1587                 /* set up the correct foreground color */
1588                 if (quotelevel > 2) {
1589                         /* recycle colors */
1590                         if (prefs_common.recycle_quote_colors)
1591                                 quotelevel %= 3;
1592                         else
1593                                 quotelevel = 2;
1594                 }
1595         }
1596
1597         if (quotelevel == -1)
1598                 fg_color = NULL;
1599         else {
1600                 g_snprintf(quote_tag_str, sizeof(quote_tag_str),
1601                            "quote%d", quotelevel);
1602                 fg_color = quote_tag_str;
1603         }
1604
1605         if (prefs_common.enable_color) {
1606                 if (textview->is_diff) {
1607                         if (strncmp(buf, "+++ ", 4) == 0)
1608                                 fg_color = "diff-add-file";
1609                         else if (buf[0] == '+')
1610                                 fg_color = "diff-add";
1611                         else if (strncmp(buf, "--- ", 4) == 0)
1612                                 fg_color = "diff-del-file";
1613                         else if (buf[0] == '-')
1614                                 fg_color = "diff-del";
1615                         else if (strncmp(buf, "@@ ", 3) == 0 &&
1616                                         strcmp(buf+strlen(buf)-4, " @@\n") == 0)
1617                                 fg_color = "diff-hunk";
1618                 } else if (strcmp(buf,"-- \n") == 0
1619                                 || strcmp(buf, "- -- \n") == 0
1620                                 || textview->is_in_signature) {
1621                         fg_color = "signature";
1622                         textview->is_in_signature = TRUE;
1623                 }
1624         }
1625
1626         if (real_quotelevel > -1 && do_quote_folding) {
1627                 if (!g_utf8_validate(buf, -1, NULL)) {
1628                         gchar *utf8buf = NULL;
1629                         utf8buf = g_malloc(BUFFSIZE);
1630                         conv_localetodisp(utf8buf, BUFFSIZE, buf);
1631                         strncpy2(buf, utf8buf, BUFFSIZE-1);
1632                         g_free(utf8buf);
1633                 }
1634 do_quote:
1635                 if ( textview->prev_quote_level != real_quotelevel ) {
1636                         ClickableText *uri;
1637                         uri = g_new0(ClickableText, 1);
1638                         uri->uri = g_strdup("");
1639                         uri->data = g_strdup(buf);
1640                         uri->data_len = strlen(uri->data);
1641                         uri->start = gtk_text_iter_get_offset(&iter);
1642                         uri->is_quote = TRUE;
1643                         uri->quote_level = real_quotelevel;
1644                         uri->fg_color = g_strdup(fg_color);
1645
1646                         gtk_text_buffer_insert_with_tags_by_name
1647                                         (buffer, &iter, " [...]", -1,
1648                                          "qlink", fg_color, NULL);
1649                         uri->end = gtk_text_iter_get_offset(&iter);
1650                         gtk_text_buffer_insert(buffer, &iter, "  \n", -1);
1651
1652                         uri->filename = NULL;
1653                         textview->uri_list =
1654                                 g_slist_prepend(textview->uri_list, uri);
1655
1656                         textview->prev_quote_level = real_quotelevel;
1657                 } else {
1658                         GSList *last = textview->uri_list;
1659                         ClickableText *lasturi = NULL;
1660                         gint e_len = 0, n_len = 0;
1661
1662                         if (textview->uri_list) {
1663                                 lasturi = (ClickableText *)last->data;
1664                         } else {
1665                                 g_print("oops (%d %d)\n",
1666                                         real_quotelevel, textview->prev_quote_level);
1667                         }
1668                         if (lasturi) {
1669                                 if (lasturi->is_quote == FALSE) {
1670                                         textview->prev_quote_level = -1;
1671                                         goto do_quote;
1672                                 }
1673                                 e_len = lasturi->data ? lasturi->data_len:0;
1674                                 n_len = strlen(buf);
1675                                 lasturi->data = g_realloc((gchar *)lasturi->data, e_len + n_len + 1);
1676                                 strcpy((gchar *)lasturi->data + e_len, buf);
1677                                 *((gchar *)lasturi->data + e_len + n_len) = '\0';
1678                                 lasturi->data_len += n_len;
1679                         }
1680                 }
1681         } else {
1682                 textview_make_clickable_parts(textview, fg_color, "link", buf, FALSE);
1683                 textview->prev_quote_level = -1;
1684         }
1685 }
1686
1687 void textview_write_link(TextView *textview, const gchar *str,
1688                          const gchar *uri, CodeConverter *conv)
1689 {
1690         GtkTextView *text;
1691         GtkTextBuffer *buffer;
1692         GtkTextIter iter;
1693         gchar buf[BUFFSIZE];
1694         gchar *bufp;
1695         ClickableText *r_uri;
1696
1697         if (!str || *str == '\0')
1698                 return;
1699         if (!uri)
1700                 return;
1701
1702         while (uri && *uri && g_ascii_isspace(*uri))
1703                 uri++;
1704
1705         text = GTK_TEXT_VIEW(textview->text);
1706         buffer = gtk_text_view_get_buffer(text);
1707         gtk_text_buffer_get_end_iter(buffer, &iter);
1708
1709         if (!conv)
1710                 strncpy2(buf, str, sizeof(buf));
1711         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1712                 conv_utf8todisp(buf, sizeof(buf), str);
1713
1714         if (g_utf8_validate(buf, -1, NULL) == FALSE)
1715                 return;
1716
1717         strcrchomp(buf);
1718
1719         gtk_text_buffer_get_end_iter(buffer, &iter);
1720         for (bufp = buf; *bufp != '\0'; bufp = g_utf8_next_char(bufp)) {
1721                 gunichar ch;
1722
1723                 ch = g_utf8_get_char(bufp);
1724                 if (!g_unichar_isspace(ch))
1725                         break;
1726         }
1727         if (bufp > buf)
1728                 gtk_text_buffer_insert(buffer, &iter, buf, bufp - buf);
1729
1730         r_uri = g_new0(ClickableText, 1);
1731         r_uri->uri = g_strdup(uri);
1732         r_uri->start = gtk_text_iter_get_offset(&iter);
1733         gtk_text_buffer_insert_with_tags_by_name
1734                 (buffer, &iter, bufp, -1, "link", NULL);
1735         r_uri->end = gtk_text_iter_get_offset(&iter);
1736         r_uri->filename = NULL;
1737         textview->uri_list = g_slist_prepend(textview->uri_list, r_uri);
1738 }
1739
1740 static void textview_set_cursor(GdkWindow *window, GdkCursor *cursor)
1741 {
1742         if (GDK_IS_WINDOW(window))
1743                 gdk_window_set_cursor(window, cursor);
1744 }
1745 void textview_clear(TextView *textview)
1746 {
1747         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1748         GtkTextBuffer *buffer;
1749         GdkWindow *window = gtk_text_view_get_window(text,
1750                                 GTK_TEXT_WINDOW_TEXT);
1751
1752         buffer = gtk_text_view_get_buffer(text);
1753         gtk_text_buffer_set_text(buffer, "", -1);
1754
1755         TEXTVIEW_STATUSBAR_POP(textview);
1756         textview_uri_list_remove_all(textview->uri_list);
1757         textview->uri_list = NULL;
1758         textview->uri_hover = NULL;
1759         textview->prev_quote_level = -1;
1760
1761         textview->body_pos = 0;
1762         if (textview->image)
1763                 gtk_widget_destroy(textview->image);
1764         textview->image = NULL;
1765
1766         if (textview->messageview->mainwin->cursor_count == 0) {
1767                 textview_set_cursor(window, text_cursor);
1768         } else {
1769                 textview_set_cursor(window, watch_cursor);
1770         }
1771 }
1772
1773 void textview_destroy(TextView *textview)
1774 {
1775         GtkTextBuffer *buffer;
1776         GtkClipboard *clipboard;
1777
1778         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1779         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1780         gtk_text_buffer_remove_selection_clipboard(buffer, clipboard);
1781
1782         textview_uri_list_remove_all(textview->uri_list);
1783         textview->uri_list = NULL;
1784         textview->prev_quote_level = -1;
1785
1786         g_free(textview);
1787 }
1788
1789 #define CHANGE_TAG_FONT(tagname, font) { \
1790         tag = gtk_text_tag_table_lookup(tags, tagname); \
1791         if (tag) \
1792                 g_object_set(G_OBJECT(tag), "font-desc", font, NULL); \
1793 }
1794
1795 void textview_set_font(TextView *textview, const gchar *codeset)
1796 {
1797         GtkTextTag *tag;
1798         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1799         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
1800         PangoFontDescription *font_desc, *bold_font_desc;
1801
1802         font_desc = pango_font_description_from_string
1803                                         (NORMAL_FONT);
1804         if (font_desc) {
1805                 gtk_widget_modify_font(textview->text, font_desc);
1806                 CHANGE_TAG_FONT("header", font_desc);
1807                 CHANGE_TAG_FONT("hlink", font_desc);
1808                 pango_font_description_free(font_desc);
1809         }
1810         if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
1811                 bold_font_desc = pango_font_description_from_string
1812                                                 (NORMAL_FONT);
1813                 if (bold_font_desc)
1814                         pango_font_description_set_weight
1815                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
1816         } else {
1817                 bold_font_desc = pango_font_description_from_string
1818                                                 (BOLD_FONT);
1819         }
1820         if (bold_font_desc) {
1821                 CHANGE_TAG_FONT("header_title", bold_font_desc);
1822                 pango_font_description_free(bold_font_desc);
1823         }
1824
1825         if (prefs_common.textfont) {
1826                 PangoFontDescription *font_desc;
1827
1828                 font_desc = pango_font_description_from_string
1829                                                 (prefs_common.textfont);
1830                 if (font_desc) {
1831                         gtk_widget_modify_font(textview->text, font_desc);
1832                         pango_font_description_free(font_desc);
1833                 }
1834         }
1835         gtk_text_view_set_pixels_above_lines(GTK_TEXT_VIEW(textview->text),
1836                                              prefs_common.line_space / 2);
1837         gtk_text_view_set_pixels_below_lines(GTK_TEXT_VIEW(textview->text),
1838                                              prefs_common.line_space / 2);
1839 }
1840
1841 void textview_set_text(TextView *textview, const gchar *text)
1842 {
1843         GtkTextView *view;
1844         GtkTextBuffer *buffer;
1845
1846         cm_return_if_fail(textview != NULL);
1847         cm_return_if_fail(text != NULL);
1848
1849         textview_clear(textview);
1850
1851         view = GTK_TEXT_VIEW(textview->text);
1852         buffer = gtk_text_view_get_buffer(view);
1853         gtk_text_buffer_set_text(buffer, text, strlen(text));
1854 }
1855
1856 enum
1857 {
1858         H_DATE          = 0,
1859         H_FROM          = 1,
1860         H_TO            = 2,
1861         H_NEWSGROUPS    = 3,
1862         H_SUBJECT       = 4,
1863         H_CC            = 5,
1864         H_REPLY_TO      = 6,
1865         H_FOLLOWUP_TO   = 7,
1866         H_X_MAILER      = 8,
1867         H_X_NEWSREADER  = 9,
1868         H_USER_AGENT    = 10,
1869         H_ORGANIZATION  = 11,
1870 };
1871
1872 void textview_set_position(TextView *textview, gint pos)
1873 {
1874         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1875
1876         gtkut_text_view_set_position(text, pos);
1877 }
1878
1879 static gboolean header_is_internal(Header *header)
1880 {
1881         const gchar *internal_hdrs[] =
1882                 {"AF:", "NF:", "PS:", "SRH:", "SFN:", "DSR:", "MID:",
1883                  "CFG:", "PT:", "S:", "RQ:", "SSV:", "NSV:", "SSH:",
1884                  "R:", "MAID:", "SCF:", "RMID:", "FMID:", "NAID:",
1885                  "X-Claws-Account-Id:", "X-Claws-Sign:", "X-Claws-Encrypt:",
1886                  "X-Claws-Privacy-System:", "X-Claws-End-Special-Headers:",
1887                  "X-Sylpheed-Account-Id:", "X-Sylpheed-Sign:", "X-Sylpheed-Encrypt:",
1888                  "X-Claws-Auto-Wrapping:", "X-Claws-Auto-Indent:",
1889                  "X-Sylpheed-Privacy-System:", "X-Sylpheed-End-Special-Headers:",
1890                  NULL};
1891         int i;
1892
1893         for (i = 0; internal_hdrs[i]; i++) {
1894                 if (!strcmp(header->name, internal_hdrs[i]))
1895                         return TRUE;
1896         }
1897         return FALSE;
1898 }
1899
1900 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1901 {
1902         gchar buf[BUFFSIZE];
1903         GPtrArray *headers, *sorted_headers;
1904         GSList *disphdr_list;
1905         Header *header;
1906         gint i;
1907
1908         cm_return_val_if_fail(fp != NULL, NULL);
1909
1910         if (prefs_common.show_all_headers) {
1911                 headers = procheader_get_header_array_asis(fp);
1912                 sorted_headers = g_ptr_array_new();
1913                 for (i = 0; i < headers->len; i++) {
1914                         header = g_ptr_array_index(headers, i);
1915                         if (!header_is_internal(header))
1916                                 g_ptr_array_add(sorted_headers, header);
1917                         else
1918                                 procheader_header_free(header);
1919                 }
1920                 g_ptr_array_free(headers, TRUE);
1921                 return sorted_headers;
1922         }
1923
1924         if (!prefs_common.display_header) {
1925                 while (fgets(buf, sizeof(buf), fp) != NULL)
1926                         if (buf[0] == '\r' || buf[0] == '\n') break;
1927                 return NULL;
1928         }
1929
1930         headers = procheader_get_header_array_asis(fp);
1931
1932         sorted_headers = g_ptr_array_new();
1933
1934         for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1935              disphdr_list = disphdr_list->next) {
1936                 DisplayHeaderProp *dp =
1937                         (DisplayHeaderProp *)disphdr_list->data;
1938
1939                 for (i = 0; i < headers->len; i++) {
1940                         header = g_ptr_array_index(headers, i);
1941
1942                         if (procheader_headername_equal(header->name,
1943                                                         dp->name)) {
1944                                 if (dp->hidden)
1945                                         procheader_header_free(header);
1946                                 else
1947                                         g_ptr_array_add(sorted_headers, header);
1948
1949                                 g_ptr_array_remove_index(headers, i);
1950                                 i--;
1951                         }
1952                 }
1953         }
1954
1955         if (prefs_common.show_other_header) {
1956                 for (i = 0; i < headers->len; i++) {
1957                         header = g_ptr_array_index(headers, i);
1958                         if (!header_is_internal(header)) {
1959                                 g_ptr_array_add(sorted_headers, header);
1960                         } else {
1961                                 procheader_header_free(header);
1962                         }
1963                 }
1964                 g_ptr_array_free(headers, TRUE);
1965         } else
1966                 procheader_header_array_destroy(headers);
1967
1968
1969         return sorted_headers;
1970 }
1971
1972 static void textview_show_face(TextView *textview)
1973 {
1974         GtkAllocation allocation;
1975         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1976         MsgInfo *msginfo = textview->messageview->msginfo;
1977         int x = 0;
1978
1979         if (prefs_common.display_header_pane
1980         ||  !prefs_common.display_xface)
1981                 goto bail;
1982
1983         if (!msginfo->extradata || !msginfo->extradata->face) {
1984                 goto bail;
1985         }
1986
1987         if (textview->image)
1988                 gtk_widget_destroy(textview->image);
1989
1990         textview->image = face_get_from_header(msginfo->extradata->face);
1991         cm_return_if_fail(textview->image != NULL);
1992
1993         gtk_widget_show(textview->image);
1994
1995         gtk_widget_get_allocation(textview->text, &allocation);
1996         x = allocation.width - WIDTH -5;
1997
1998         gtk_text_view_add_child_in_window(text, textview->image,
1999                 GTK_TEXT_WINDOW_TEXT, x, 5);
2000
2001         gtk_widget_show_all(textview->text);
2002
2003
2004         return;
2005 bail:
2006         if (textview->image)
2007                 gtk_widget_destroy(textview->image);
2008         textview->image = NULL;
2009 }
2010
2011 void textview_show_icon(TextView *textview, const gchar *stock_id)
2012 {
2013         GtkAllocation allocation;
2014         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2015         int x = 0;
2016
2017         if (textview->image)
2018                 gtk_widget_destroy(textview->image);
2019
2020         textview->image = gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_DIALOG);
2021         cm_return_if_fail(textview->image != NULL);
2022
2023         gtk_widget_show(textview->image);
2024
2025         gtk_widget_get_allocation(textview->text, &allocation);
2026         x = allocation.width - WIDTH -5;
2027
2028         gtk_text_view_add_child_in_window(text, textview->image,
2029                 GTK_TEXT_WINDOW_TEXT, x, 5);
2030
2031         gtk_widget_show_all(textview->text);
2032
2033
2034         return;
2035 }
2036
2037 #if HAVE_LIBCOMPFACE
2038 static void textview_show_xface(TextView *textview)
2039 {
2040         GtkAllocation allocation;
2041         MsgInfo *msginfo = textview->messageview->msginfo;
2042         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2043         int x = 0;
2044         GdkWindow *window = NULL;
2045
2046         if (prefs_common.display_header_pane
2047         ||  !prefs_common.display_xface)
2048                 goto bail;
2049
2050         if (!msginfo || !msginfo->extradata)
2051                 goto bail;
2052
2053         if (msginfo->extradata->face)
2054                 return;
2055
2056         if (!msginfo->extradata->xface || strlen(msginfo->extradata->xface) < 5) {
2057                 goto bail;
2058         }
2059
2060         if (textview->image)
2061                 gtk_widget_destroy(textview->image);
2062
2063         window = mainwindow_get_mainwindow() ?
2064                         mainwindow_get_mainwindow()->window->window :
2065                         textview->text->window;
2066         textview->image = xface_get_from_header(msginfo->extradata->xface,
2067                                 &textview->text->style->white,
2068                                 window);
2069         cm_return_if_fail(textview->image != NULL);
2070
2071         gtk_widget_show(textview->image);
2072
2073         gtk_widget_get_allocation(textview->text, &allocation);
2074         x = allocation.width - WIDTH -5;
2075
2076         gtk_text_view_add_child_in_window(text, textview->image,
2077                 GTK_TEXT_WINDOW_TEXT, x, 5);
2078
2079         gtk_widget_show_all(textview->text);
2080
2081         return;
2082 bail:
2083         if (textview->image)
2084                 gtk_widget_destroy(textview->image);
2085         textview->image = NULL;
2086
2087 }
2088 #endif
2089
2090 static void textview_save_contact_pic(TextView *textview)
2091 {
2092 #ifndef USE_NEW_ADDRBOOK
2093         MsgInfo *msginfo = textview->messageview->msginfo;
2094         gchar *filename = NULL;
2095         GError *error = NULL;
2096         GdkPixbuf *picture = NULL;
2097
2098         if (!msginfo->extradata || (!msginfo->extradata->face && !msginfo->extradata->xface))
2099                 return;
2100
2101         if (textview->image)
2102                 picture = gtk_image_get_pixbuf(GTK_IMAGE(textview->image));
2103
2104         filename = addrindex_get_picture_file(msginfo->from);
2105         if (!filename)
2106                 return;
2107         if (!is_file_exist(filename)) {
2108                 gdk_pixbuf_save(picture, filename, "png", &error, NULL);
2109                 if (error) {
2110                         g_warning(_("Failed to save image: \n%s"),
2111                                         error->message);
2112                         g_error_free(error);
2113                 }
2114         }
2115         g_free(filename);
2116 #else
2117         /* new address book */
2118 #endif
2119 }
2120
2121 static void textview_show_contact_pic(TextView *textview)
2122 {
2123 #ifndef USE_NEW_ADDRBOOK
2124         MsgInfo *msginfo = textview->messageview->msginfo;
2125         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2126         int x = 0;
2127         gchar *filename = NULL;
2128         GError *error = NULL;
2129         GdkPixbuf *picture = NULL;
2130         gint w, h;
2131         GtkAllocation allocation;
2132
2133         if (prefs_common.display_header_pane
2134         ||  !prefs_common.display_xface)
2135                 goto bail;
2136
2137         if (msginfo->extradata && (msginfo->extradata->face || msginfo->extradata->xface))
2138                 return;
2139
2140         if (textview->image)
2141                 gtk_widget_destroy(textview->image);
2142
2143         filename = addrindex_get_picture_file(msginfo->from);
2144
2145         if (!filename)
2146                 goto bail;
2147         if (!is_file_exist(filename)) {
2148                 g_free(filename);
2149                 goto bail;
2150         }
2151
2152         gdk_pixbuf_get_file_info(filename, &w, &h);
2153
2154         if (w > 48 || h > 48)
2155                 picture = gdk_pixbuf_new_from_file_at_scale(filename,
2156                                                 48, 48, TRUE, &error);
2157         else
2158                 picture = gdk_pixbuf_new_from_file(filename, &error);
2159
2160         if (error) {
2161                 debug_print("Failed to import image: \n%s",
2162                                 error->message);
2163                 g_error_free(error);
2164                 goto bail;
2165         }
2166         g_free(filename);
2167
2168         if (picture) {
2169                 textview->image = gtk_image_new_from_pixbuf(picture);
2170                 g_object_unref(picture);
2171         }
2172         cm_return_if_fail(textview->image != NULL);
2173
2174         gtk_widget_show(textview->image);
2175
2176         gtk_widget_get_allocation(textview->text, &allocation);
2177         x = allocation.width - WIDTH -5;
2178
2179         gtk_text_view_add_child_in_window(text, textview->image,
2180                 GTK_TEXT_WINDOW_TEXT, x, 5);
2181
2182         gtk_widget_show_all(textview->text);
2183
2184         return;
2185 bail:
2186         if (textview->image)
2187                 gtk_widget_destroy(textview->image);
2188         textview->image = NULL;
2189 #else
2190         /* new address book */
2191 #endif
2192 }
2193
2194 static gint textview_tag_cmp_list(gconstpointer a, gconstpointer b)
2195 {
2196         gint id_a = GPOINTER_TO_INT(a);
2197         gint id_b = GPOINTER_TO_INT(b);
2198         const gchar *tag_a = tags_get_tag(id_a);
2199         const gchar *tag_b = tags_get_tag(id_b);
2200
2201         if (tag_a == NULL)
2202                 return tag_b == NULL ? 0:1;
2203
2204         if (tag_b == NULL)
2205                 return tag_a == NULL ? 0:1;
2206
2207         return g_utf8_collate(tag_a, tag_b);
2208 }
2209
2210
2211 static void textview_show_tags(TextView *textview)
2212 {
2213         MsgInfo *msginfo = textview->messageview->msginfo;
2214         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2215         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2216         GtkTextIter iter;
2217         ClickableText *uri;
2218         GSList *cur, *orig;
2219         gboolean found_tag = FALSE;
2220
2221         if (!msginfo->tags)
2222                 return;
2223
2224         cur = orig = g_slist_sort(g_slist_copy(msginfo->tags), textview_tag_cmp_list);
2225
2226         for (; cur; cur = cur->next) {
2227                 if (tags_get_tag(GPOINTER_TO_INT(cur->data)) != NULL) {
2228                         found_tag = TRUE;
2229                         break;
2230                 }
2231         }
2232         if (!found_tag) {
2233                 g_slist_free(orig);
2234                 return;
2235         }
2236
2237         gtk_text_buffer_get_end_iter (buffer, &iter);
2238         gtk_text_buffer_insert_with_tags_by_name(buffer,
2239                 &iter, _("Tags: "), -1,
2240                 "header_title", "header", "tags", NULL);
2241
2242         for (cur = orig; cur; cur = cur->next) {
2243                 const gchar *cur_tag = tags_get_tag(GPOINTER_TO_INT(cur->data));
2244                 if (!cur_tag)
2245                         continue;
2246                 uri = g_new0(ClickableText, 1);
2247                 uri->uri = g_strdup("");
2248                 uri->start = gtk_text_iter_get_offset(&iter);
2249                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
2250                         cur_tag, -1,
2251                         "link", "header", "tags", NULL);
2252                 uri->end = gtk_text_iter_get_offset(&iter);
2253                 uri->filename = g_strdup_printf("sc://search_tags:%s", cur_tag);
2254                 uri->data = NULL;
2255                 textview->uri_list =
2256                         g_slist_prepend(textview->uri_list, uri);
2257                 if (cur->next && tags_get_tag(GPOINTER_TO_INT(cur->next->data)))
2258                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, ", ", 2,
2259                                 "header", "tags", NULL);
2260                 else
2261                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, " ", 1,
2262                                 "header", "tags", NULL);
2263         }
2264         g_slist_free(orig);
2265
2266         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2267                 "header", "tags", NULL);
2268 }
2269
2270 static void textview_show_header(TextView *textview, GPtrArray *headers)
2271 {
2272         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2273         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2274         GtkTextIter iter;
2275         Header *header;
2276         gint i;
2277
2278         cm_return_if_fail(headers != NULL);
2279
2280         for (i = 0; i < headers->len; i++) {
2281                 header = g_ptr_array_index(headers, i);
2282                 cm_return_if_fail(header->name != NULL);
2283
2284                 gtk_text_buffer_get_end_iter (buffer, &iter);
2285                 if(prefs_common.trans_hdr == TRUE) {
2286                         gchar *hdr = g_strndup(header->name, strlen(header->name) - 1);
2287                         gchar *trans_hdr = gettext(hdr);
2288                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2289                                 &iter, trans_hdr, -1,
2290                                 "header_title", "header", NULL);
2291                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2292                                 &iter, ":", 1, "header_title", "header", NULL);
2293                         g_free(hdr);
2294                 } else {
2295                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2296                                 &iter, header->name,
2297                                 -1, "header_title", "header", NULL);
2298                 }
2299                 if (header->name[strlen(header->name) - 1] != ' ')
2300                 gtk_text_buffer_insert_with_tags_by_name
2301                                 (buffer, &iter, " ", 1,
2302                                  "header_title", "header", NULL);
2303
2304                 if (procheader_headername_equal(header->name, "Subject") ||
2305                     procheader_headername_equal(header->name, "From")    ||
2306                     procheader_headername_equal(header->name, "To")      ||
2307                     procheader_headername_equal(header->name, "Cc"))
2308                         unfold_line(header->body);
2309
2310                 if (procheader_headername_equal(header->name, "Date") &&
2311                     prefs_common.msgview_date_format) {
2312                         gchar hbody[80];
2313
2314                         procheader_date_parse(hbody, header->body, sizeof(hbody));
2315                         gtk_text_buffer_get_end_iter (buffer, &iter);
2316                         gtk_text_buffer_insert_with_tags_by_name
2317                                 (buffer, &iter, hbody, -1, "header", NULL);
2318                 } else if ((procheader_headername_equal(header->name, "X-Mailer") ||
2319                                 procheader_headername_equal(header->name,
2320                                                  "X-Newsreader")) &&
2321                                 (strstr(header->body, "Claws Mail") != NULL ||
2322                                 strstr(header->body, "Sylpheed-Claws") != NULL)) {
2323                         gtk_text_buffer_get_end_iter (buffer, &iter);
2324                         gtk_text_buffer_insert_with_tags_by_name
2325                                 (buffer, &iter, header->body, -1,
2326                                  "header", "emphasis", NULL);
2327                 } else {
2328                         gboolean hdr =
2329                           procheader_headername_equal(header->name, "From") ||
2330                           procheader_headername_equal(header->name, "To") ||
2331                           procheader_headername_equal(header->name, "Cc") ||
2332                           procheader_headername_equal(header->name, "Bcc") ||
2333                           procheader_headername_equal(header->name, "Reply-To") ||
2334                           procheader_headername_equal(header->name, "Sender");
2335                         textview_make_clickable_parts(textview, "header",
2336                                                       "hlink", header->body,
2337                                                       hdr);
2338                 }
2339                 gtk_text_buffer_get_end_iter (buffer, &iter);
2340                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2341                                                          "header", NULL);
2342         }
2343
2344         textview_show_face(textview);
2345 #if HAVE_LIBCOMPFACE
2346         textview_show_xface(textview);
2347 #endif
2348         textview_save_contact_pic(textview);
2349         textview_show_contact_pic(textview);
2350 }
2351
2352 gboolean textview_search_string(TextView *textview, const gchar *str,
2353                                 gboolean case_sens)
2354 {
2355         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2356
2357         return gtkut_text_view_search_string(text, str, case_sens);
2358 }
2359
2360 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
2361                                          gboolean case_sens)
2362 {
2363         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2364
2365         return gtkut_text_view_search_string_backward(text, str, case_sens);
2366 }
2367
2368 void textview_scroll_one_line(TextView *textview, gboolean up)
2369 {
2370         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2371         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2372
2373         gtkutils_scroll_one_line(GTK_WIDGET(text), vadj, up);
2374 }
2375
2376 gboolean textview_scroll_page(TextView *textview, gboolean up)
2377 {
2378         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2379         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2380
2381         return gtkutils_scroll_page(GTK_WIDGET(text), vadj, up);
2382 }
2383
2384 void textview_scroll_max(TextView *textview, gboolean up)
2385 {
2386         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2387         GtkTextIter iter;
2388
2389         if (up) {
2390                 gtk_text_buffer_get_start_iter(buffer, &iter);
2391                 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview->text),
2392                                                 &iter, 0.0, TRUE, 0.0, 1.0);
2393
2394         } else {
2395                 gtk_text_buffer_get_end_iter(buffer, &iter);
2396                 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview->text),
2397                                                 &iter, 0.0, TRUE, 0.0, 0.0);
2398         }
2399 }
2400
2401 #define KEY_PRESS_EVENT_STOP() \
2402         g_signal_stop_emission_by_name(G_OBJECT(widget), \
2403                                        "key_press_event");
2404
2405 static gint textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2406                                  TextView *textview)
2407 {
2408         GdkWindow *window;
2409         SummaryView *summaryview = NULL;
2410         MessageView *messageview = textview->messageview;
2411
2412         if (!event) return FALSE;
2413         if (messageview->mainwin)
2414                 summaryview = messageview->mainwin->summaryview;
2415
2416         switch (event->keyval) {
2417         case GDK_KEY_Tab:
2418         case GDK_KEY_Left:
2419         case GDK_KEY_Up:
2420         case GDK_KEY_Right:
2421         case GDK_KEY_Down:
2422         case GDK_KEY_Page_Up:
2423         case GDK_KEY_Page_Down:
2424         case GDK_KEY_Control_L:
2425         case GDK_KEY_Control_R:
2426                 return FALSE;
2427         case GDK_KEY_Home:
2428         case GDK_KEY_End:
2429                 textview_scroll_max(textview,(event->keyval == GDK_KEY_Home));
2430                 return TRUE;
2431         case GDK_KEY_space:
2432                 if (summaryview)
2433                         summary_pass_key_press_event(summaryview, event);
2434                 else
2435                         mimeview_scroll_page
2436                                 (messageview->mimeview,
2437                                  (event->state &
2438                                   (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2439                 break;
2440         case GDK_KEY_BackSpace:
2441                 mimeview_scroll_page(messageview->mimeview, TRUE);
2442                 break;
2443         case GDK_KEY_Return:
2444         case GDK_KEY_KP_Enter:
2445                 mimeview_scroll_one_line
2446                         (messageview->mimeview, (event->state &
2447                                     (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2448                 break;
2449         case GDK_KEY_Delete:
2450                 if (summaryview)
2451                         summary_pass_key_press_event(summaryview, event);
2452                 break;
2453         default:
2454                 window = gtk_widget_get_window(messageview->mainwin->window);
2455                 if (summaryview &&
2456                     event->window != window) {
2457                         GdkEventKey tmpev = *event;
2458
2459                         tmpev.window = window;
2460                         KEY_PRESS_EVENT_STOP();
2461                         gtk_widget_event(messageview->mainwin->window,
2462                                          (GdkEvent *)&tmpev);
2463                 }
2464                 break;
2465         }
2466
2467         return TRUE;
2468 }
2469
2470 static gboolean textview_motion_notify(GtkWidget *widget,
2471                                        GdkEventMotion *event,
2472                                        TextView *textview)
2473 {
2474         if (textview->loading)
2475                 return FALSE;
2476         textview_uri_update(textview, event->x, event->y);
2477         gdk_window_get_pointer(gtk_widget_get_window(widget), NULL, NULL, NULL);
2478
2479         return FALSE;
2480 }
2481
2482 static gboolean textview_leave_notify(GtkWidget *widget,
2483                                       GdkEventCrossing *event,
2484                                       TextView *textview)
2485 {
2486         if (textview->loading)
2487                 return FALSE;
2488         textview_uri_update(textview, -1, -1);
2489
2490         return FALSE;
2491 }
2492
2493 static gboolean textview_visibility_notify(GtkWidget *widget,
2494                                            GdkEventVisibility *event,
2495                                            TextView *textview)
2496 {
2497         gint wx, wy;
2498         GdkWindow *window;
2499
2500         if (textview->loading)
2501                 return FALSE;
2502
2503         window = gtk_text_view_get_window(GTK_TEXT_VIEW(widget),
2504                                           GTK_TEXT_WINDOW_TEXT);
2505
2506         /* check if occurred for the text window part */
2507         if (window != event->window)
2508                 return FALSE;
2509
2510         gdk_window_get_pointer(gtk_widget_get_window(widget), &wx, &wy, NULL);
2511         textview_uri_update(textview, wx, wy);
2512
2513         return FALSE;
2514 }
2515
2516 void textview_cursor_wait(TextView *textview)
2517 {
2518         GdkWindow *window = gtk_text_view_get_window(
2519                         GTK_TEXT_VIEW(textview->text),
2520                         GTK_TEXT_WINDOW_TEXT);
2521         textview_set_cursor(window, watch_cursor);
2522 }
2523
2524 void textview_cursor_normal(TextView *textview)
2525 {
2526         GdkWindow *window = gtk_text_view_get_window(
2527                         GTK_TEXT_VIEW(textview->text),
2528                         GTK_TEXT_WINDOW_TEXT);
2529         textview_set_cursor(window, text_cursor);
2530 }
2531
2532 static void textview_uri_update(TextView *textview, gint x, gint y)
2533 {
2534         GtkTextBuffer *buffer;
2535         GtkTextIter start_iter, end_iter;
2536         ClickableText *uri = NULL;
2537
2538         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2539
2540         if (x != -1 && y != -1) {
2541                 gint bx, by;
2542                 GtkTextIter iter;
2543                 GSList *tags;
2544                 GSList *cur;
2545
2546                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview->text),
2547                                                       GTK_TEXT_WINDOW_WIDGET,
2548                                                       x, y, &bx, &by);
2549                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview->text),
2550                                                    &iter, bx, by);
2551
2552                 tags = gtk_text_iter_get_tags(&iter);
2553                 for (cur = tags; cur != NULL; cur = cur->next) {
2554                         GtkTextTag *tag = cur->data;
2555                         char *name;
2556
2557                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
2558
2559                         if ((!strcmp(name, "link") || !strcmp(name, "hlink"))
2560                             && textview_get_uri_range(textview, &iter, tag,
2561                                                       &start_iter, &end_iter)) {
2562
2563                                 uri = textview_get_uri_from_range(textview,
2564                                                                   &iter, tag,
2565                                                                   &start_iter,
2566                                                                   &end_iter);
2567                         }
2568                         g_free(name);
2569                         if (uri)
2570                                 break;
2571                 }
2572                 g_slist_free(tags);
2573         }
2574
2575         if (uri != textview->uri_hover) {
2576                 GdkWindow *window;
2577
2578                 if (textview->uri_hover)
2579                         gtk_text_buffer_remove_tag_by_name(buffer,
2580                                                            "link-hover",
2581                                                            &textview->uri_hover_start_iter,
2582                                                            &textview->uri_hover_end_iter);
2583
2584                 textview->uri_hover = uri;
2585                 if (uri) {
2586                         textview->uri_hover_start_iter = start_iter;
2587                         textview->uri_hover_end_iter = end_iter;
2588                 }
2589
2590                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview->text),
2591                                                   GTK_TEXT_WINDOW_TEXT);
2592                 if (textview->messageview->mainwin->cursor_count == 0) {
2593                         textview_set_cursor(window, uri ? hand_cursor : text_cursor);
2594                 } else {
2595                         textview_set_cursor(window, watch_cursor);
2596                 }
2597
2598                 TEXTVIEW_STATUSBAR_POP(textview);
2599
2600                 if (uri) {
2601                         if (!uri->is_quote)
2602                                 gtk_text_buffer_apply_tag_by_name(buffer,
2603                                                           "link-hover",
2604                                                           &start_iter,
2605                                                           &end_iter);
2606                         TEXTVIEW_STATUSBAR_PUSH(textview, uri->uri);
2607                 }
2608         }
2609 }
2610
2611 static gboolean textview_get_uri_range(TextView *textview,
2612                                        GtkTextIter *iter,
2613                                        GtkTextTag *tag,
2614                                        GtkTextIter *start_iter,
2615                                        GtkTextIter *end_iter)
2616 {
2617         return get_tag_range(iter, tag, start_iter, end_iter);
2618 }
2619
2620 static ClickableText *textview_get_uri_from_range(TextView *textview,
2621                                               GtkTextIter *iter,
2622                                               GtkTextTag *tag,
2623                                               GtkTextIter *start_iter,
2624                                               GtkTextIter *end_iter)
2625 {
2626         gint start_pos, end_pos, cur_pos;
2627         ClickableText *uri = NULL;
2628         GSList *cur;
2629
2630         start_pos = gtk_text_iter_get_offset(start_iter);
2631         end_pos = gtk_text_iter_get_offset(end_iter);
2632         cur_pos = gtk_text_iter_get_offset(iter);
2633
2634         for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
2635                 ClickableText *uri_ = (ClickableText *)cur->data;
2636                 if (start_pos == uri_->start &&
2637                     end_pos ==  uri_->end) {
2638                         uri = uri_;
2639                         break;
2640                 }
2641         }
2642         for (cur = textview->uri_list; uri == NULL && cur != NULL; cur = cur->next) {
2643                 ClickableText *uri_ = (ClickableText *)cur->data;
2644                 if (start_pos == uri_->start ||
2645                            end_pos == uri_->end) {
2646                         /* in case of contiguous links, textview_get_uri_range
2647                          * returns a broader range (start of 1st link to end
2648                          * of last link).
2649                          * In that case, correct link is the one covering
2650                          * current iter.
2651                          */
2652                         if (uri_->start <= cur_pos && cur_pos <= uri_->end) {
2653                                 uri = uri_;
2654                                 break;
2655                         }
2656                 }
2657         }
2658
2659         return uri;
2660 }
2661
2662 static ClickableText *textview_get_uri(TextView *textview,
2663                                    GtkTextIter *iter,
2664                                    GtkTextTag *tag)
2665 {
2666         GtkTextIter start_iter, end_iter;
2667         ClickableText *uri = NULL;
2668
2669         if (textview_get_uri_range(textview, iter, tag, &start_iter,
2670                                    &end_iter))
2671                 uri = textview_get_uri_from_range(textview, iter, tag,
2672                                                   &start_iter, &end_iter);
2673
2674         return uri;
2675 }
2676
2677 static void textview_shift_uris_after(TextView *textview, GSList *start_list, gint start, gint shift)
2678 {
2679         GSList *cur;
2680         if (!start_list)
2681                 start_list = textview->uri_list;
2682
2683         for (cur = start_list; cur; cur = cur->next) {
2684                 ClickableText *uri = (ClickableText *)cur->data;
2685                 if (uri->start <= start)
2686                         continue;
2687                 uri->start += shift;
2688                 uri->end += shift;
2689         }
2690 }
2691
2692 static void textview_remove_uris_in(TextView *textview, gint start, gint end)
2693 {
2694         GSList *cur;
2695         for (cur = textview->uri_list; cur; ) {
2696                 ClickableText *uri = (ClickableText *)cur->data;
2697                 if (uri->start > start && uri->end < end) {
2698                         cur = cur->next;
2699                         textview->uri_list = g_slist_remove(textview->uri_list, uri);
2700                         g_free(uri->uri);
2701                         g_free(uri->filename);
2702                         if (uri->is_quote) {
2703                                 g_free(uri->fg_color);
2704                                 g_free(uri->data);
2705                                 /* (only free data in quotes uris) */
2706                         }
2707                         g_free(uri);
2708                 } else {
2709                         cur = cur->next;
2710                 }
2711
2712         }
2713 }
2714
2715 static void textview_toggle_quote(TextView *textview, GSList *start_list, ClickableText *uri, gboolean expand_only)
2716 {
2717         GtkTextIter start, end;
2718         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2719
2720         if (!uri->is_quote)
2721                 return;
2722
2723         if (uri->q_expanded && expand_only)
2724                 return;
2725
2726         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2727         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2728         if (textview->uri_hover)
2729                 gtk_text_buffer_remove_tag_by_name(buffer,
2730                                                    "link-hover",
2731                                                    &textview->uri_hover_start_iter,
2732                                                    &textview->uri_hover_end_iter);
2733         textview->uri_hover = NULL;
2734         gtk_text_buffer_remove_tag_by_name(buffer,
2735                                            "qlink",
2736                                            &start,
2737                                            &end);
2738         /* when shifting URIs start and end, we have to do it per-UTF8-char
2739          * so use g_utf8_strlen(). OTOH, when inserting in the text buffer,
2740          * we have to pass a number of bytes, so use strlen(). disturbing. */
2741
2742         if (!uri->q_expanded) {
2743                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2744                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2745                 textview_shift_uris_after(textview, start_list, uri->start,
2746                         g_utf8_strlen((gchar *)uri->data, -1)-strlen(" [...]\n"));
2747                 gtk_text_buffer_delete(buffer, &start, &end);
2748                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2749                 gtk_text_buffer_insert_with_tags_by_name
2750                                 (buffer, &start, (gchar *)uri->data,
2751                                  strlen((gchar *)uri->data)-1,
2752                                  "qlink", (gchar *)uri->fg_color, NULL);
2753                 uri->end = gtk_text_iter_get_offset(&start);
2754                 textview_make_clickable_parts_later(textview,
2755                                           uri->start, uri->end);
2756                 uri->q_expanded = TRUE;
2757         } else {
2758                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2759                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2760                 textview_remove_uris_in(textview, uri->start, uri->end);
2761                 textview_shift_uris_after(textview, start_list, uri->start,
2762                         strlen(" [...]\n")-g_utf8_strlen((gchar *)uri->data, -1));
2763                 gtk_text_buffer_delete(buffer, &start, &end);
2764                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2765                 gtk_text_buffer_insert_with_tags_by_name
2766                                 (buffer, &start, " [...]", -1,
2767                                  "qlink", (gchar *)uri->fg_color, NULL);
2768                 uri->end = gtk_text_iter_get_offset(&start);
2769                 uri->q_expanded = FALSE;
2770         }
2771         if (textview->messageview->mainwin->cursor_count == 0) {
2772                 textview_cursor_normal(textview);
2773         } else {
2774                 textview_cursor_wait(textview);
2775         }
2776 }
2777 static gboolean textview_uri_button_pressed(GtkTextTag *tag, GObject *obj,
2778                                             GdkEvent *event, GtkTextIter *iter,
2779                                             TextView *textview)
2780 {
2781         GdkEventButton *bevent;
2782         ClickableText *uri = NULL;
2783         char *tagname;
2784         gboolean qlink = FALSE;
2785
2786         if (!event)
2787                 return FALSE;
2788
2789         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
2790                 && event->type != GDK_MOTION_NOTIFY)
2791                 return FALSE;
2792
2793         uri = textview_get_uri(textview, iter, tag);
2794         if (!uri)
2795                 return FALSE;
2796
2797         g_object_get(G_OBJECT(tag), "name", &tagname, NULL);
2798
2799         if (!strcmp(tagname, "qlink"))
2800                 qlink = TRUE;
2801
2802         g_free(tagname);
2803
2804         bevent = (GdkEventButton *) event;
2805
2806         /* doubleclick: open compose / add address / browser */
2807         if (qlink && event->type == GDK_BUTTON_PRESS && bevent->button != 1) {
2808                 /* pass rightclick through */
2809                 return FALSE;
2810         } else if ((event->type == (qlink ? GDK_2BUTTON_PRESS:GDK_BUTTON_PRESS) && bevent->button == 1) ||
2811                 bevent->button == 2 || bevent->button == 3) {
2812                 if (uri->filename && !g_ascii_strncasecmp(uri->filename, "sc://", 5)) {
2813                         MimeView *mimeview =
2814                                 (textview->messageview)?
2815                                         textview->messageview->mimeview:NULL;
2816                         if (mimeview && bevent->button == 1) {
2817                                 mimeview_handle_cmd(mimeview, uri->filename, NULL, uri->data);
2818                         } else if (mimeview && bevent->button == 2 &&
2819                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2820                                 mimeview_handle_cmd(mimeview, "sc://open_attachment", NULL, uri->data);
2821                         } else if (mimeview && bevent->button == 3 &&
2822                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2823                                 mimeview_handle_cmd(mimeview, "sc://menu_attachment", bevent, uri->data);
2824                         }
2825                         return TRUE;
2826                 } else if (qlink && bevent->button == 1) {
2827                         if (prefs_common.hide_quoted)
2828                                 textview_toggle_quote(textview, NULL, uri, FALSE);
2829                         return TRUE;
2830                 } else if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) {
2831                         if (bevent->button == 3) {
2832                                 g_object_set_data(
2833                                         G_OBJECT(textview->mail_popup_menu),
2834                                         "menu_button", uri);
2835                                 gtk_menu_popup(GTK_MENU(textview->mail_popup_menu),
2836                                                NULL, NULL, NULL, NULL,
2837                                                bevent->button, bevent->time);
2838                         } else {
2839                                 PrefsAccount *account = NULL;
2840                                 FolderItem   *folder_item = NULL;
2841                                 Compose *compose;
2842
2843                                 if (textview->messageview && textview->messageview->msginfo &&
2844                                     textview->messageview->msginfo->folder) {
2845
2846
2847                                         folder_item = textview->messageview->msginfo->folder;
2848                                         if (folder_item->prefs && folder_item->prefs->enable_default_account)
2849                                                 account = account_find_from_id(folder_item->prefs->default_account);
2850                                         if (!account)
2851                                                 account = account_find_from_item(folder_item);
2852                                 }
2853                                 compose = compose_new_with_folderitem(account,
2854                                                                 folder_item, uri->uri + 7);
2855                                 compose_check_for_email_account(compose);
2856                         }
2857                         return TRUE;
2858                 } else if (g_ascii_strncasecmp(uri->uri, "file:", 5)) {
2859                         if (bevent->button == 1 &&
2860                             textview_uri_security_check(textview, uri) == TRUE)
2861                                         open_uri(uri->uri,
2862                                                  prefs_common_get_uri_cmd());
2863                         else if (bevent->button == 3 && !qlink) {
2864                                 g_object_set_data(
2865                                         G_OBJECT(textview->link_popup_menu),
2866                                         "menu_button", uri);
2867                                 gtk_menu_popup(GTK_MENU(textview->link_popup_menu),
2868                                                NULL, NULL, NULL, NULL,
2869                                                bevent->button, bevent->time);
2870                         }
2871                         return TRUE;
2872                 } else {
2873                         if (bevent->button == 3 && !qlink) {
2874                                 g_object_set_data(
2875                                         G_OBJECT(textview->file_popup_menu),
2876                                         "menu_button", uri);
2877                                 gtk_menu_popup(GTK_MENU(textview->file_popup_menu),
2878                                                NULL, NULL, NULL, NULL,
2879                                                bevent->button, bevent->time);
2880                                 return TRUE;
2881                         }
2882                 }
2883         }
2884
2885         return FALSE;
2886 }
2887
2888 gchar *textview_get_visible_uri         (TextView       *textview,
2889                                          ClickableText  *uri)
2890 {
2891         GtkTextBuffer *buffer;
2892         GtkTextIter start, end;
2893
2894         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2895
2896         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2897         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2898
2899         return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
2900 }
2901
2902 /*!
2903  *\brief    Check to see if a web URL has been disguised as a different
2904  *          URL (possible with HTML email).
2905  *
2906  *\param    uri The uri to check
2907  *
2908  *\param    textview The TextView the URL is contained in
2909  *
2910  *\return   gboolean TRUE if the URL is ok, or if the user chose to open
2911  *          it anyway, otherwise FALSE
2912  */
2913 gboolean textview_uri_security_check(TextView *textview, ClickableText *uri)
2914 {
2915         gchar *visible_str;
2916         gboolean retval = TRUE;
2917
2918         if (is_uri_string(uri->uri) == FALSE)
2919                 return TRUE;
2920
2921         visible_str = textview_get_visible_uri(textview, uri);
2922         if (visible_str == NULL)
2923                 return TRUE;
2924
2925         g_strstrip(visible_str);
2926
2927         if (strcmp(visible_str, uri->uri) != 0 && is_uri_string(visible_str)) {
2928                 gchar *uri_path;
2929                 gchar *visible_uri_path;
2930
2931                 uri_path = get_uri_path(uri->uri);
2932                 visible_uri_path = get_uri_path(visible_str);
2933                 if (path_cmp(uri_path, visible_uri_path) != 0)
2934                         retval = FALSE;
2935         }
2936
2937         if (retval == FALSE) {
2938                 gchar *msg;
2939                 AlertValue aval;
2940
2941                 msg = g_markup_printf_escaped(_("The real URL is different from "
2942                                                 "the displayed URL.\n"
2943                                                 "\n"
2944                                                 "<b>Displayed URL:</b> %s\n"
2945                                                 "\n"
2946                                                 "<b>Real URL:</b> %s\n"
2947                                                 "\n"
2948                                                 "Open it anyway?"),
2949                                                visible_str,uri->uri);
2950                 aval = alertpanel_full(_("Phishing attempt warning"), msg,
2951                                        GTK_STOCK_CANCEL, _("_Open URL"), NULL, FALSE,
2952                                        NULL, ALERT_WARNING, G_ALERTDEFAULT);
2953                 g_free(msg);
2954                 if (aval == G_ALERTALTERNATE)
2955                         retval = TRUE;
2956         }
2957
2958         g_free(visible_str);
2959
2960         return retval;
2961 }
2962
2963 static void textview_uri_list_remove_all(GSList *uri_list)
2964 {
2965         GSList *cur;
2966
2967         for (cur = uri_list; cur != NULL; cur = cur->next) {
2968                 if (cur->data) {
2969                         g_free(((ClickableText *)cur->data)->uri);
2970                         g_free(((ClickableText *)cur->data)->filename);
2971                         if (((ClickableText *)cur->data)->is_quote) {
2972                                 g_free(((ClickableText *)cur->data)->fg_color);
2973                                 g_free(((ClickableText *)cur->data)->data);
2974                                 /* (only free data in quotes uris) */
2975                         }
2976                         g_free(cur->data);
2977                 }
2978         }
2979
2980         g_slist_free(uri_list);
2981 }
2982
2983 static void open_uri_cb (GtkAction *action, TextView *textview)
2984 {
2985         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2986                                            "menu_button");
2987         const gchar *raw_url = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2988                                            "raw_url");
2989
2990         if (uri) {
2991                 if (textview_uri_security_check(textview, uri) == TRUE)
2992                         open_uri(uri->uri,
2993                                  prefs_common_get_uri_cmd());
2994                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2995                                   NULL);
2996         }
2997         if (raw_url) {
2998                 open_uri(raw_url, prefs_common_get_uri_cmd());
2999                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
3000                                   NULL);
3001         }
3002 }
3003
3004 static void open_image_cb (GtkAction *action, TextView *textview)
3005 {
3006         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
3007                                            "menu_button");
3008
3009         gchar *cmd = NULL;
3010         gchar buf[1024];
3011         const gchar *p;
3012         gchar *filename = NULL;
3013         gchar *tmp_filename = NULL;
3014
3015         if (uri == NULL)
3016                 return;
3017
3018         if (uri->filename == NULL)
3019                 return;
3020
3021         filename = g_strdup(uri->filename);
3022
3023         if (!g_utf8_validate(filename, -1, NULL)) {
3024                 gchar *tmp = conv_filename_to_utf8(filename);
3025                 g_free(filename);
3026                 filename = tmp;
3027         }
3028
3029         subst_for_filename(filename);
3030
3031         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
3032         copy_file(tmp_filename, filename, FALSE);
3033         g_free(tmp_filename);
3034
3035         cmd = mailcap_get_command_for_type("image/jpeg", filename);
3036         if (cmd == NULL) {
3037                 gboolean remember = FALSE;
3038                 cmd = input_dialog_combo_remember
3039                         (_("Open with"),
3040                          _("Enter the command-line to open file:\n"
3041                            "('%s' will be replaced with file name)"),
3042                          prefs_common.mime_open_cmd,
3043                          prefs_common.mime_open_cmd_history,
3044                          &remember);
3045                 if (cmd && remember) {
3046                         mailcap_update_default("image/jpeg", cmd);
3047                 }
3048         }
3049         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
3050             !strchr(p + 2, '%'))
3051                 g_snprintf(buf, sizeof(buf), cmd, filename);
3052         else {
3053                 g_warning("Image viewer command-line is invalid: '%s'", cmd);
3054                 return;
3055         }
3056
3057         execute_command_line(buf, TRUE);
3058
3059         g_free(filename);
3060         g_free(cmd);
3061
3062         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
3063                           NULL);
3064 }
3065
3066 static void save_file_cb (GtkAction *action, TextView *textview)
3067 {
3068         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
3069                                            "menu_button");
3070         gchar *filename = NULL;
3071         gchar *filepath = NULL;
3072         gchar *filedir = NULL;
3073         gchar *tmp_filename = NULL;
3074         GtkWidget *window;
3075
3076         if (uri == NULL)
3077                 return;
3078
3079         if (uri->filename == NULL)
3080                 return;
3081
3082         filename = g_strdup(uri->filename);
3083
3084         if (!g_utf8_validate(filename, -1, NULL)) {
3085                 gchar *tmp = conv_filename_to_utf8(filename);
3086                 g_free(filename);
3087                 filename = tmp;
3088         }
3089
3090         subst_for_filename(filename);
3091
3092         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
3093                 filepath = g_strconcat(prefs_common.attach_save_dir,
3094                                        G_DIR_SEPARATOR_S, filename, NULL);
3095         else
3096                 filepath = g_strdup(filename);
3097
3098         g_free(filename);
3099
3100         /* Pick correct window to set the file dialog "transient for" */
3101         if (textview->messageview->window != NULL)
3102                 window = textview->messageview->window;
3103         else
3104                 window = textview->messageview->mainwin->window;
3105
3106         manage_window_focus_in(window, NULL, NULL);
3107
3108         filename = filesel_select_file_save(_("Save as"), filepath);
3109         if (!filename) {
3110                 g_free(filepath);
3111                 return;
3112         }
3113
3114         if (is_file_exist(filename)) {
3115                 AlertValue aval;
3116                 gchar *res;
3117
3118                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
3119                                       filename);
3120                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
3121                                   GTK_STOCK_OK, NULL);
3122                 g_free(res);
3123                 if (G_ALERTALTERNATE != aval)
3124                         return;
3125         }
3126
3127         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
3128         copy_file(tmp_filename, filename, FALSE);
3129         g_free(tmp_filename);
3130
3131         filedir = g_path_get_dirname(filename);
3132         if (filedir && strcmp(filedir, ".")) {
3133                 g_free(prefs_common.attach_save_dir);
3134                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
3135         }
3136
3137         g_free(filedir);
3138         g_free(filepath);
3139
3140         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
3141                           NULL);
3142 }
3143
3144 static void copy_uri_cb (GtkAction *action, TextView *textview)
3145 {
3146         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
3147                                            "menu_button");
3148         const gchar *raw_url =  g_object_get_data(G_OBJECT(textview->link_popup_menu),
3149                                            "raw_url");
3150         if (uri) {
3151                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri, -1);
3152                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri, -1);
3153                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
3154                           NULL);
3155         }
3156         if (raw_url) {
3157                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), raw_url, -1);
3158                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), raw_url, -1);
3159                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
3160                           NULL);
3161         }
3162 }
3163
3164 static void add_uri_to_addrbook_cb (GtkAction *action, TextView *textview)
3165 {
3166         gchar *fromname, *fromaddress;
3167         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3168                                            "menu_button");
3169         GtkWidget *image = NULL;
3170         GdkPixbuf *picture = NULL;
3171         gboolean use_picture = FALSE;
3172
3173         if (uri == NULL)
3174                 return;
3175
3176         /* extract url */
3177         fromaddress = g_strdup(uri->uri + 7);
3178
3179         if (textview->messageview->msginfo &&
3180            !strcmp2(fromaddress, textview->messageview->msginfo->from))
3181                 use_picture = TRUE;
3182
3183         fromname = procheader_get_fromname(fromaddress);
3184         extract_address(fromaddress);
3185
3186         if (use_picture &&
3187             textview->messageview->msginfo &&
3188             textview->messageview->msginfo->extradata &&
3189             textview->messageview->msginfo->extradata->face) {
3190                 image = face_get_from_header(textview->messageview->msginfo->extradata->face);
3191         }
3192 #if HAVE_LIBCOMPFACE
3193         else if (use_picture &&
3194                  textview->messageview->msginfo &&
3195                  textview->messageview->msginfo->extradata &&
3196                  textview->messageview->msginfo->extradata->xface) {
3197                 image = xface_get_from_header(textview->messageview->msginfo->extradata->xface,
3198                                 &textview->text->style->white,
3199                                 mainwindow_get_mainwindow()->window->window);
3200         }
3201 #endif
3202         if (image)
3203                 picture = gtk_image_get_pixbuf(GTK_IMAGE(image));
3204
3205 #ifndef USE_NEW_ADDRBOOK
3206         addressbook_add_contact( fromname, fromaddress, NULL, picture);
3207 #else
3208         if (addressadd_selection(fromname, fromaddress, NULL, picture)) {
3209                 debug_print( "addressbook_add_contact - added\n" );
3210         }
3211 #endif
3212
3213         g_free(fromaddress);
3214         g_free(fromname);
3215 }
3216
3217 static void reply_to_uri_cb (GtkAction *action, TextView *textview)
3218 {
3219         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3220                                            "menu_button");
3221         if (!textview->messageview || !uri)
3222                 return;
3223
3224         compose_reply_to_address (textview->messageview,
3225                                   textview->messageview->msginfo, uri->uri+7);
3226 }
3227
3228 static void mail_to_uri_cb (GtkAction *action, TextView *textview)
3229 {
3230         PrefsAccount *account = NULL;
3231         Compose *compose;
3232         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3233                                            "menu_button");
3234         if (uri == NULL)
3235                 return;
3236
3237         if (textview->messageview && textview->messageview->msginfo &&
3238             textview->messageview->msginfo->folder) {
3239                 FolderItem   *folder_item;
3240
3241                 folder_item = textview->messageview->msginfo->folder;
3242                 if (folder_item->prefs && folder_item->prefs->enable_default_account)
3243                         account = account_find_from_id(folder_item->prefs->default_account);
3244
3245                 compose = compose_new_with_folderitem(account, folder_item, uri->uri+7);
3246         } else {
3247                 compose = compose_new(account, uri->uri + 7, NULL);
3248         }
3249         compose_check_for_email_account(compose);
3250 }
3251
3252 static void copy_mail_to_uri_cb (GtkAction *action, TextView *textview)
3253 {
3254         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3255                                            "menu_button");
3256         if (uri == NULL)
3257                 return;
3258
3259         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri +7, -1);
3260         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri +7, -1);
3261         g_object_set_data(G_OBJECT(textview->mail_popup_menu), "menu_button",
3262                           NULL);
3263 }
3264
3265 void textview_get_selection_offsets(TextView *textview, gint *sel_start, gint *sel_end)
3266 {
3267                 GtkTextView *text = GTK_TEXT_VIEW(textview->text);
3268                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
3269                 GtkTextIter start, end;
3270                 if (gtk_text_buffer_get_selection_bounds(buffer, &start, &end)) {
3271                         if (sel_start)
3272                                 *sel_start = gtk_text_iter_get_offset(&start);
3273                         if (sel_end)
3274                                 *sel_end = gtk_text_iter_get_offset(&end);
3275                 } else {
3276                         if (sel_start)
3277                                 *sel_start = -1;
3278                         if (sel_end)
3279                                 *sel_end = -1;
3280                 }
3281 }