src/textview.c

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