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         textview->loading = TRUE;
 635         textview->stop_loading = FALSE;
 636
 637         textview_clear(textview);
 638
 639         if (mimeinfo->type == MIMETYPE_MULTIPART ||
 640             (mimeinfo->type == MIMETYPE_MESSAGE && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822"))) {
 641                 textview_add_parts(textview, mimeinfo);
 642         } else {
 643                 if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0)
 644                         perror("fseek");
 645
 646                 textview_write_body(textview, mimeinfo);
 647         }
 648
 649         textview->loading = FALSE;
 650         textview->stop_loading = FALSE;
 651         textview_set_position(textview, 0);
 652
 653         END_TIMING();
 654 }
 655
 656 static void textview_add_part(TextView *textview, MimeInfo *mimeinfo)
 657 {
 658         GtkAllocation allocation;
 659         GtkTextView *text;
 660         GtkTextBuffer *buffer;
 661         GtkTextIter iter, start_iter;
 662         gchar buf[BUFFSIZE];
 663         GPtrArray *headers = NULL;
 664         const gchar *name;
 665         gchar *content_type;
 666         gint charcount;
 667         START_TIMING("");
 668
 669         cm_return_if_fail(mimeinfo != NULL);
 670         text = GTK_TEXT_VIEW(textview->text);
 671         buffer = gtk_text_view_get_buffer(text);
 672         charcount = gtk_text_buffer_get_char_count(buffer);
 673         gtk_text_buffer_get_end_iter(buffer, &iter);
 674
 675         if (textview->stop_loading) {
 676                 return;
 677         }
 678         if (mimeinfo->type == MIMETYPE_MULTIPART) {
 679                 END_TIMING();
 680                 return;
 681         }
 682
 683         textview->prev_quote_level = -1;
 684
 685         if ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822")) {
 686                 FILE *fp;
 687                 if (mimeinfo->content == MIMECONTENT_MEM)
 688                         fp = str_open_as_stream(mimeinfo->data.mem);
 689                 else
 690                         fp = g_fopen(mimeinfo->data.filename, "rb");
 691                 if (!fp) {
 692                         FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
 693                         END_TIMING();
 694                         return;
 695                 }
 696                 if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0) {
 697                         FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
 698                         fclose(fp);
 699                         END_TIMING();
 700                         return;
 701                 }
 702                 headers = textview_scan_header(textview, fp);
 703                 if (headers) {
 704                         if (charcount > 0)
 705                                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 706
 707                         if (procmime_mimeinfo_parent(mimeinfo) == NULL)
 708                                 textview_show_tags(textview);
 709                         textview_show_header(textview, headers);
 710                         procheader_header_array_destroy(headers);
 711                 }
 712                 fclose(fp);
 713                 END_TIMING();
 714                 return;
 715         }
 716
 717         name = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
 718         content_type = procmime_get_content_type_str(mimeinfo->type,
 719                                                      mimeinfo->subtype);
 720         if (name == NULL)
 721                 name = procmime_mimeinfo_get_parameter(mimeinfo, "name");
 722         if (name != NULL)
 723                 g_snprintf(buf, sizeof(buf), _("[%s  %s (%d bytes)]"),
 724                            name, content_type, mimeinfo->length);
 725         else
 726                 g_snprintf(buf, sizeof(buf), _("[%s (%d bytes)]"),
 727                            content_type, mimeinfo->length);
 728
 729         g_free(content_type);
 730
 731         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
 732         || (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
 733             mimeinfo->type != MIMETYPE_TEXT)) {
 734                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 735                 TEXTVIEW_INSERT_LINK(buf, "sc://select_attachment", mimeinfo);
 736                 gtk_text_buffer_insert(buffer, &iter, " \n", -1);
 737                 if (mimeinfo->type == MIMETYPE_IMAGE  &&
 738                     prefs_common.inline_img ) {
 739                         GdkPixbuf *pixbuf;
 740                         GError *error = NULL;
 741                         gchar *filename;
 742                         ClickableText *uri;
 743                         gchar *uri_str;
 744                         gint err;
 745                         START_TIMING("inserting image");
 746
 747                         filename = procmime_get_tmp_file_name(mimeinfo);
 748
 749                         if ((err = procmime_get_part(filename, mimeinfo)) < 0) {
 750                                 g_warning("Can't get the image file.(%s)", strerror(-err));
 751                                 g_free(filename);
 752                                 END_TIMING();
 753                                 return;
 754                         }
 755
 756                         pixbuf = gdk_pixbuf_new_from_file(filename, &error);
 757                         if (textview->stop_loading) {
 758                                 return;
 759                         }
 760                         if (error != NULL) {
 761                                 g_warning("%s\n", error->message);
 762                                 g_error_free(error);
 763                         }
 764                         if (!pixbuf) {
 765                                 g_warning("Can't load the image.");
 766                                 g_free(filename);
 767                                 END_TIMING();
 768                                 return;
 769                         }
 770
 771                         gtk_widget_get_allocation(textview->scrolledwin, &allocation);
 772                         pixbuf = claws_load_pixbuf_fitting(pixbuf,
 773                                         allocation.width,
 774                                         allocation.height);
 775
 776                         if (textview->stop_loading) {
 777                                 return;
 778                         }
 779
 780                         uri_str = g_filename_to_uri(filename, NULL, NULL);
 781                         if (uri_str) {
 782                                 uri = g_new0(ClickableText, 1);
 783                                 uri->uri = uri_str;
 784                                 uri->start = gtk_text_iter_get_offset(&iter);
 785
 786                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 787                                 if (textview->stop_loading) {
 788                                         g_free(uri);
 789                                         return;
 790                                 }
 791                                 uri->end = uri->start + 1;
 792                                 uri->filename = procmime_get_part_file_name(mimeinfo);
 793                                 textview->uri_list =
 794                                         g_slist_prepend(textview->uri_list, uri);
 795
 796                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 797                                 gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, uri->start);
 798                                 gtk_text_buffer_apply_tag_by_name(buffer, "link",
 799                                                 &start_iter, &iter);
 800                         } else {
 801                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 802                                 if (textview->stop_loading) {
 803                                         return;
 804                                 }
 805                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 806                         }
 807
 808                         g_object_unref(pixbuf);
 809                         g_free(filename);
 810                         END_TIMING();
 811                         GTK_EVENTS_FLUSH();
 812                 }
 813         } else if (mimeinfo->type == MIMETYPE_TEXT) {
 814                 if (prefs_common.display_header && (charcount > 0))
 815                         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 816
 817                 textview_write_body(textview, mimeinfo);
 818         }
 819         END_TIMING();
 820 }
 821
 822 static void recursive_add_parts(TextView *textview, GNode *node)
 823 {
 824         GNode * iter;
 825         MimeInfo *mimeinfo;
 826         START_TIMING("");
 827
 828         mimeinfo = (MimeInfo *) node->data;
 829
 830         textview_add_part(textview, mimeinfo);
 831 #ifdef GENERIC_UMPC
 832         textview_set_position(textview, 0);
 833 #endif
 834         if ((mimeinfo->type != MIMETYPE_MULTIPART) &&
 835             (mimeinfo->type != MIMETYPE_MESSAGE)) {
 836                 END_TIMING();
 837                 return;
 838         }
 839         if (g_ascii_strcasecmp(mimeinfo->subtype, "alternative") == 0) {
 840                 GNode * prefered_body;
 841                 int prefered_score;
 842
 843                 /*
 844                   text/plain : score 3
 845                   text/ *    : score 2
 846                   other      : score 1
 847                 */
 848                 prefered_body = NULL;
 849                 prefered_score = 0;
 850
 851                 for (iter = g_node_first_child(node) ; iter != NULL ;
 852                      iter = g_node_next_sibling(iter)) {
 853                         int score;
 854                         MimeInfo * submime;
 855
 856                         score = 1;
 857                         submime = (MimeInfo *) iter->data;
 858                         if (submime->type == MIMETYPE_TEXT)
 859                                 score = 2;
 860
 861                         if (submime->subtype != NULL) {
 862                                 if (g_ascii_strcasecmp(submime->subtype, "plain") == 0)
 863                                         score = 3;
 864                         }
 865
 866                         if (score > prefered_score) {
 867                                 prefered_score = score;
 868                                 prefered_body = iter;
 869                         }
 870                 }
 871
 872                 if (prefered_body != NULL) {
 873                         recursive_add_parts(textview, prefered_body);
 874                 }
 875         }
 876         else {
 877                 for (iter = g_node_first_child(node) ; iter != NULL ;
 878                      iter = g_node_next_sibling(iter)) {
 879                         recursive_add_parts(textview, iter);
 880                 }
 881         }
 882         END_TIMING();
 883 }
 884
 885 static void textview_add_parts(TextView *textview, MimeInfo *mimeinfo)
 886 {
 887         cm_return_if_fail(mimeinfo != NULL);
 888
 889         recursive_add_parts(textview, mimeinfo->node);
 890 }
 891
 892 void textview_show_error(TextView *textview)
 893 {
 894         GtkTextView *text;
 895         GtkTextBuffer *buffer;
 896         GtkTextIter iter;
 897
 898         textview_set_font(textview, NULL);
 899         textview_clear(textview);
 900
 901         text = GTK_TEXT_VIEW(textview->text);
 902         buffer = gtk_text_view_get_buffer(text);
 903         gtk_text_buffer_get_start_iter(buffer, &iter);
 904
 905         TEXTVIEW_INSERT(_("\n"
 906                       "  This message can't be displayed.\n"
 907                       "  This is probably due to a network error.\n"
 908                       "\n"
 909                       "  Use "));
 910         TEXTVIEW_INSERT_LINK(_("'Network Log'"), "sc://view_log", NULL);
 911         TEXTVIEW_INSERT(_(" in the Tools menu for more information."));
 912         textview_show_icon(textview, GTK_STOCK_DIALOG_ERROR);
 913 }
 914
 915 void textview_show_info(TextView *textview, const gchar *info_str)
 916 {
 917         GtkTextView *text;
 918         GtkTextBuffer *buffer;
 919         GtkTextIter iter;
 920
 921         textview_set_font(textview, NULL);
 922         textview_clear(textview);
 923
 924         text = GTK_TEXT_VIEW(textview->text);
 925         buffer = gtk_text_view_get_buffer(text);
 926         gtk_text_buffer_get_start_iter(buffer, &iter);
 927
 928         TEXTVIEW_INSERT(info_str);
 929         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
 930         textview_cursor_normal(textview);
 931 }
 932
 933 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
 934 {
 935         GtkTextView *text;
 936         GtkTextBuffer *buffer;
 937         GtkTextIter iter;
 938         const gchar *name;
 939         gchar *content_type, *shortcut;
 940         GtkUIManager *ui_manager;
 941
 942         if (!partinfo) return;
 943
 944         if (textview->messageview->window != NULL)
 945                 ui_manager = textview->messageview->ui_manager;
 946         else
 947                 ui_manager = textview->messageview->mainwin->ui_manager;
 948
 949         textview_set_font(textview, NULL);
 950         textview_clear(textview);
 951
 952         text = GTK_TEXT_VIEW(textview->text);
 953         buffer = gtk_text_view_get_buffer(text);
 954         gtk_text_buffer_get_start_iter(buffer, &iter);
 955
 956         TEXTVIEW_INSERT("\n");
 957
 958         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 959         if (name == NULL)
 960                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 961         if (name != NULL) {
 962                 content_type = procmime_get_content_type_str(partinfo->type,
 963                                                      partinfo->subtype);
 964                 TEXTVIEW_INSERT("  ");
 965                 TEXTVIEW_INSERT_BOLD(name);
 966                 TEXTVIEW_INSERT(" (");
 967                 TEXTVIEW_INSERT(content_type);
 968                 TEXTVIEW_INSERT(", ");
 969                 TEXTVIEW_INSERT(to_human_readable((goffset)partinfo->length));
 970                 TEXTVIEW_INSERT("):\n\n");
 971
 972                 g_free(content_type);
 973         }
 974         TEXTVIEW_INSERT(_("  The following can be performed on this part\n"));
 975 #ifndef GENERIC_UMPC
 976         TEXTVIEW_INSERT(_("  by right-clicking the icon or list item:"));
 977 #endif
 978         TEXTVIEW_INSERT("\n");
 979
 980         TEXTVIEW_INSERT(_("     - To save, select "));
 981         TEXTVIEW_INSERT_LINK(_("'Save as...'"), "sc://save_as", NULL);
 982 #ifndef GENERIC_UMPC
 983         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
 984         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/File/SavePartAs");
 985         TEXTVIEW_INSERT(shortcut);
 986         g_free(shortcut);
 987         TEXTVIEW_INSERT("')");
 988 #endif
 989         TEXTVIEW_INSERT("\n");
 990
 991         TEXTVIEW_INSERT(_("     - To display as text, select "));
 992         TEXTVIEW_INSERT_LINK(_("'Display as text'"), "sc://display_as_text", NULL);
 993
 994 #ifndef GENERIC_UMPC
 995         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
 996         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/AsText");
 997         TEXTVIEW_INSERT(shortcut);
 998         g_free(shortcut);
 999         TEXTVIEW_INSERT("')");
1000 #endif
1001         TEXTVIEW_INSERT("\n");
1002
1003         TEXTVIEW_INSERT(_("     - To open with an external program, select "));
1004         TEXTVIEW_INSERT_LINK(_("'Open'"), "sc://open", NULL);
1005
1006 #ifndef GENERIC_UMPC
1007         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
1008         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/Open");
1009         TEXTVIEW_INSERT(shortcut);
1010         g_free(shortcut);
1011         TEXTVIEW_INSERT("')\n");
1012         TEXTVIEW_INSERT(_("       (alternately double-click, or click the middle "));
1013         TEXTVIEW_INSERT(_("mouse button)\n"));
1014 #ifndef G_OS_WIN32
1015         TEXTVIEW_INSERT(_("     - Or use "));
1016         TEXTVIEW_INSERT_LINK(_("'Open with...'"), "sc://open_with", NULL);
1017         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
1018         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/OpenWith");
1019         TEXTVIEW_INSERT(shortcut);
1020         g_free(shortcut);
1021         TEXTVIEW_INSERT("')");
1022 #endif
1023 #endif
1024         TEXTVIEW_INSERT("\n");
1025
1026         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
1027 }
1028
1029 static void textview_write_body(TextView *textview, MimeInfo *mimeinfo)
1030 {
1031         FILE *tmpfp;
1032         gchar buf[BUFFSIZE];
1033         CodeConverter *conv;
1034         const gchar *charset, *p, *cmd;
1035         GSList *cur;
1036         gboolean continue_write = TRUE;
1037         size_t wrote = 0, i = 0;
1038
1039         if (textview->messageview->forced_charset)
1040                 charset = textview->messageview->forced_charset;
1041         else {
1042                 /* use supersets transparently when possible */
1043                 charset = procmime_mimeinfo_get_parameter(mimeinfo, "charset");
1044                 if (charset && !strcasecmp(charset, CS_ISO_8859_1))
1045                         charset = CS_WINDOWS_1252;
1046                 else if (charset && !strcasecmp(charset, CS_X_GBK))
1047                         charset = CS_GB18030;
1048                 else if (charset && !strcasecmp(charset, CS_GBK))
1049                         charset = CS_GB18030;
1050                 else if (charset && !strcasecmp(charset, CS_GB2312))
1051                         charset = CS_GB18030;
1052         }
1053
1054         textview_set_font(textview, charset);
1055
1056         conv = conv_code_converter_new(charset);
1057
1058         procmime_force_encoding(textview->messageview->forced_encoding);
1059
1060         textview->is_in_signature = FALSE;
1061         textview->is_diff = FALSE;
1062
1063         procmime_decode_content(mimeinfo);
1064
1065         if (!g_ascii_strcasecmp(mimeinfo->subtype, "html") &&
1066             prefs_common.render_html) {
1067                 gchar *filename;
1068
1069                 filename = procmime_get_tmp_file_name(mimeinfo);
1070                 if (procmime_get_part(filename, mimeinfo) == 0) {
1071                         tmpfp = g_fopen(filename, "rb");
1072                         textview_show_html(textview, tmpfp, conv);
1073                         fclose(tmpfp);
1074                         claws_unlink(filename);
1075                 }
1076                 g_free(filename);
1077         } else if (!g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
1078                 gchar *filename;
1079
1080                 filename = procmime_get_tmp_file_name(mimeinfo);
1081                 if (procmime_get_part(filename, mimeinfo) == 0) {
1082                         tmpfp = g_fopen(filename, "rb");
1083                         if (tmpfp) {
1084                                 textview_show_ertf(textview, tmpfp, conv);
1085                                 fclose(tmpfp);
1086                         }
1087                         claws_unlink(filename);
1088                 }
1089                 g_free(filename);
1090 #ifndef G_OS_WIN32
1091         } else if ( g_ascii_strcasecmp(mimeinfo->subtype, "plain") &&
1092                    (cmd = prefs_common.mime_textviewer) && *cmd &&
1093                    (p = strchr(cmd, '%')) && *(p + 1) == 's') {
1094                 int pid, pfd[2];
1095                 const gchar *fname;
1096
1097                 fname  = procmime_get_tmp_file_name(mimeinfo);
1098                 if (procmime_get_part(fname, mimeinfo)) goto textview_default;
1099
1100                 g_snprintf(buf, sizeof(buf), cmd, fname);
1101                 debug_print("Viewing text content of type: %s (length: %d) "
1102                         "using %s\n", mimeinfo->subtype, mimeinfo->length, buf);
1103
1104                 if (pipe(pfd) < 0) {
1105                         g_snprintf(buf, sizeof(buf),
1106                                 "pipe failed for textview\n\n%s\n", strerror(errno));
1107                         textview_write_line(textview, buf, conv, TRUE);
1108                         goto textview_default;
1109                 }
1110                 pid = fork();
1111                 if (pid < 0) {
1112                         g_snprintf(buf, sizeof(buf),
1113                                 "fork failed for textview\n\n%s\n", strerror(errno));
1114                         textview_write_line(textview, buf, conv, TRUE);
1115                         close(pfd[0]);
1116                         close(pfd[1]);
1117                         goto textview_default;
1118                 }
1119                 if (pid == 0) { /* child */
1120                         int rc;
1121                         gchar **argv;
1122                         argv = strsplit_with_quote(buf, " ", 0);
1123                         close(1);
1124                         close(pfd[0]);
1125                         rc = dup(pfd[1]);
1126                         rc = execvp(argv[0], argv);
1127                         close(pfd[1]);
1128                         g_print(_("The command to view attachment "
1129                                 "as text failed:\n"
1130                                 "    %s\n"
1131                                 "Exit code %d\n"), buf, rc);
1132                         exit(255);
1133                 }
1134                 close(pfd[1]);
1135                 tmpfp = fdopen(pfd[0], "rb");
1136                 while (fgets(buf, sizeof(buf), tmpfp)) {
1137                         textview_write_line(textview, buf, conv, TRUE);
1138
1139                         if (textview->stop_loading) {
1140                                 fclose(tmpfp);
1141                                 waitpid(pid, pfd, 0);
1142                                 g_unlink(fname);
1143                                 return;
1144                         }
1145                 }
1146
1147                 fclose(tmpfp);
1148                 waitpid(pid, pfd, 0);
1149                 g_unlink(fname);
1150 #endif
1151         } else {
1152 textview_default:
1153                 if (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
1154                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff"))
1155                         textview->is_diff = TRUE;
1156
1157                 if (mimeinfo->content == MIMECONTENT_MEM)
1158                         tmpfp = str_open_as_stream(mimeinfo->data.mem);
1159                 else
1160                         tmpfp = g_fopen(mimeinfo->data.filename, "rb");
1161                 if (!tmpfp) {
1162                         FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1163                         return;
1164                 }
1165                 if (fseek(tmpfp, mimeinfo->offset, SEEK_SET) < 0) {
1166                         FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
1167                         fclose(tmpfp);
1168                         return;
1169                 }
1170                 debug_print("Viewing text content of type: %s (length: %d)\n", mimeinfo->subtype, mimeinfo->length);
1171                 while (((i = ftell(tmpfp)) < mimeinfo->offset + mimeinfo->length) &&
1172                        (fgets(buf, sizeof(buf), tmpfp) != NULL)
1173                        && continue_write) {
1174                         textview_write_line(textview, buf, conv, TRUE);
1175                         if (textview->stop_loading) {
1176                                 fclose(tmpfp);
1177                                 return;
1178                         }
1179                         wrote += ftell(tmpfp)-i;
1180                         if (mimeinfo->length > 1024*1024
1181                         &&  wrote > 1024*1024
1182                         && !textview->messageview->show_full_text) {
1183                                 continue_write = FALSE;
1184                         }
1185                 }
1186                 fclose(tmpfp);
1187         }
1188
1189         conv_code_converter_destroy(conv);
1190         procmime_force_encoding(0);
1191
1192         textview->uri_list = g_slist_reverse(textview->uri_list);
1193         for (cur = textview->uri_list; cur; cur = cur->next) {
1194                 ClickableText *uri = (ClickableText *)cur->data;
1195                 if (!uri->is_quote)
1196                         continue;
1197                 if (!prefs_common.hide_quotes ||
1198                     uri->quote_level+1 < prefs_common.hide_quotes) {
1199                         textview_toggle_quote(textview, cur, uri, TRUE);
1200                         if (textview->stop_loading) {
1201                                 return;
1202                         }
1203                 }
1204         }
1205
1206         if (continue_write == FALSE) {
1207                 messageview_show_partial_display(
1208                         textview->messageview,
1209                         textview->messageview->msginfo,
1210                         mimeinfo->length);
1211         }
1212         GTK_EVENTS_FLUSH();
1213 }
1214
1215 static void textview_show_html(TextView *textview, FILE *fp,
1216                                CodeConverter *conv)
1217 {
1218         SC_HTMLParser *parser;
1219         gchar *str;
1220         gint lines = 0;
1221
1222         parser = sc_html_parser_new(fp, conv);
1223         cm_return_if_fail(parser != NULL);
1224
1225         while ((str = sc_html_parse(parser)) != NULL) {
1226                 if (parser->state == SC_HTML_HREF) {
1227                         /* first time : get and copy the URL */
1228                         if (parser->href == NULL) {
1229                                 /* ALF - the claws html parser returns an empty string,
1230                                  * if still inside an <a>, but already parsed past HREF */
1231                                 str = strtok(str, " ");
1232                                 if (str) {
1233                                         while (str && *str && g_ascii_isspace(*str))
1234                                                 str++;
1235                                         parser->href = g_strdup(str);
1236                                         /* the URL may (or not) be followed by the
1237                                          * referenced text */
1238                                         str = strtok(NULL, "");
1239                                 }
1240                         }
1241                         if (str != NULL)
1242                                 textview_write_link(textview, str, parser->href, NULL);
1243                 } else
1244                         textview_write_line(textview, str, NULL, FALSE);
1245                 lines++;
1246                 if (lines % 500 == 0)
1247                         GTK_EVENTS_FLUSH();
1248                 if (textview->stop_loading) {
1249                         return;
1250                 }
1251         }
1252         textview_write_line(textview, "\n", NULL, FALSE);
1253         sc_html_parser_destroy(parser);
1254 }
1255
1256 static void textview_show_ertf(TextView *textview, FILE *fp,
1257                                CodeConverter *conv)
1258 {
1259         ERTFParser *parser;
1260         gchar *str;
1261         gint lines = 0;
1262
1263         parser = ertf_parser_new(fp, conv);
1264         cm_return_if_fail(parser != NULL);
1265
1266         while ((str = ertf_parse(parser)) != NULL) {
1267                 textview_write_line(textview, str, NULL, FALSE);
1268                 lines++;
1269                 if (lines % 500 == 0)
1270                         GTK_EVENTS_FLUSH();
1271                 if (textview->stop_loading) {
1272                         return;
1273                 }
1274         }
1275
1276         ertf_parser_destroy(parser);
1277 }
1278
1279 #define ADD_TXT_POS(bp_, ep_, pti_) \
1280         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1281                 last = last->next; \
1282                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1283                 last->next = NULL; \
1284         } else { \
1285                 g_warning("alloc error scanning URIs\n"); \
1286                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, \
1287                                                          linebuf, -1, \
1288                                                          fg_tag, NULL); \
1289                 return; \
1290         }
1291
1292 #define ADD_TXT_POS_LATER(bp_, ep_, pti_) \
1293         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1294                 last = last->next; \
1295                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1296                 last->next = NULL; \
1297         } else { \
1298                 g_warning("alloc error scanning URIs\n"); \
1299         }
1300
1301 /* textview_make_clickable_parts() - colorizes clickable parts */
1302 static void textview_make_clickable_parts(TextView *textview,
1303                                           const gchar *fg_tag,
1304                                           const gchar *uri_tag,
1305                                           const gchar *linebuf,
1306                                           gboolean hdr)
1307 {
1308         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1309         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1310         GtkTextIter iter;
1311         gchar *mybuf = g_strdup(linebuf);
1312
1313         /* parse table - in order of priority */
1314         struct table {
1315                 const gchar *needle; /* token */
1316
1317                 /* token search function */
1318                 gchar    *(*search)     (const gchar *haystack,
1319                                          const gchar *needle);
1320                 /* part parsing function */
1321                 gboolean  (*parse)      (const gchar *start,
1322                                          const gchar *scanpos,
1323                                          const gchar **bp_,
1324                                          const gchar **ep_,
1325                                          gboolean hdr);
1326                 /* part to URI function */
1327                 gchar    *(*build_uri)  (const gchar *bp,
1328                                          const gchar *ep);
1329         };
1330
1331         static struct table parser[] = {
1332                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1333                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1334                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1335                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1336                 {"gopher://",strcasestr, get_uri_part,   make_uri_string},
1337                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1338                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1339                 {"@",        strcasestr, get_email_part, make_email_string}
1340         };
1341         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1342
1343         gint  n;
1344         const gchar *walk, *bp, *ep;
1345
1346         struct txtpos {
1347                 const gchar     *bp, *ep;       /* text position */
1348                 gint             pti;           /* index in parse table */
1349                 struct txtpos   *next;          /* next */
1350         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1351
1352         if (!g_utf8_validate(linebuf, -1, NULL)) {
1353                 g_free(mybuf);
1354                 mybuf = g_malloc(strlen(linebuf)*2 +1);
1355                 conv_localetodisp(mybuf, strlen(linebuf)*2 +1, linebuf);
1356         }
1357
1358         gtk_text_buffer_get_end_iter(buffer, &iter);
1359
1360         /* parse for clickable parts, and build a list of begin and end positions  */
1361         for (walk = mybuf;;) {
1362                 gint last_index = PARSE_ELEMS;
1363                 gchar *scanpos = NULL;
1364
1365                 /* FIXME: this looks phony. scanning for anything in the parse table */
1366                 for (n = 0; n < PARSE_ELEMS; n++) {
1367                         gchar *tmp;
1368
1369                         tmp = parser[n].search(walk, parser[n].needle);
1370                         if (tmp) {
1371                                 if (scanpos == NULL || tmp < scanpos) {
1372                                         scanpos = tmp;
1373                                         last_index = n;
1374                                 }
1375                         }
1376                 }
1377
1378                 if (scanpos) {
1379                         /* check if URI can be parsed */
1380                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, hdr)
1381                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1382                                         ADD_TXT_POS(bp, ep, last_index);
1383                                         walk = ep;
1384                         } else
1385                                 walk = scanpos +
1386                                         strlen(parser[last_index].needle);
1387                 } else
1388                         break;
1389         }
1390
1391         /* colorize this line */
1392         if (head.next) {
1393                 const gchar *normal_text = mybuf;
1394
1395                 /* insert URIs */
1396                 for (last = head.next; last != NULL;
1397                      normal_text = last->ep, last = last->next) {
1398                         ClickableText *uri;
1399                         uri = g_new0(ClickableText, 1);
1400                         if (last->bp - normal_text > 0)
1401                                 gtk_text_buffer_insert_with_tags_by_name
1402                                         (buffer, &iter,
1403                                          normal_text,
1404                                          last->bp - normal_text,
1405                                          fg_tag, NULL);
1406                         uri->uri = parser[last->pti].build_uri(last->bp,
1407                                                                last->ep);
1408                         uri->start = gtk_text_iter_get_offset(&iter);
1409                         gtk_text_buffer_insert_with_tags_by_name
1410                                 (buffer, &iter, last->bp, last->ep - last->bp,
1411                                  uri_tag, fg_tag, NULL);
1412                         uri->end = gtk_text_iter_get_offset(&iter);
1413                         uri->filename = NULL;
1414                         textview->uri_list =
1415                                 g_slist_prepend(textview->uri_list, uri);
1416                 }
1417
1418                 if (*normal_text)
1419                         gtk_text_buffer_insert_with_tags_by_name
1420                                 (buffer, &iter, normal_text, -1, fg_tag, NULL);
1421         } else {
1422                 gtk_text_buffer_insert_with_tags_by_name
1423                         (buffer, &iter, mybuf, -1, fg_tag, NULL);
1424         }
1425         g_free(mybuf);
1426 }
1427
1428 /* textview_make_clickable_parts() - colorizes clickable parts */
1429 static void textview_make_clickable_parts_later(TextView *textview,
1430                                           gint start, gint end)
1431 {
1432         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1433         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1434         GtkTextIter start_iter, end_iter;
1435         gchar *mybuf;
1436         gint offset = 0;
1437         /* parse table - in order of priority */
1438         struct table {
1439                 const gchar *needle; /* token */
1440
1441                 /* token search function */
1442                 gchar    *(*search)     (const gchar *haystack,
1443                                          const gchar *needle);
1444                 /* part parsing function */
1445                 gboolean  (*parse)      (const gchar *start,
1446                                          const gchar *scanpos,
1447                                          const gchar **bp_,
1448                                          const gchar **ep_,
1449                                          gboolean hdr);
1450                 /* part to URI function */
1451                 gchar    *(*build_uri)  (const gchar *bp,
1452                                          const gchar *ep);
1453         };
1454
1455         static struct table parser[] = {
1456                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1457                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1458                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1459                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1460                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1461                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1462                 {"@",        strcasestr, get_email_part, make_email_string}
1463         };
1464         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1465
1466         gint  n;
1467         const gchar *walk, *bp, *ep;
1468
1469         struct txtpos {
1470                 const gchar     *bp, *ep;       /* text position */
1471                 gint             pti;           /* index in parse table */
1472                 struct txtpos   *next;          /* next */
1473         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1474
1475         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start);
1476         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end);
1477         mybuf = gtk_text_buffer_get_text(buffer, &start_iter, &end_iter, FALSE);
1478         offset = gtk_text_iter_get_offset(&start_iter);
1479
1480         /* parse for clickable parts, and build a list of begin and end positions  */
1481         for (walk = mybuf;;) {
1482                 gint last_index = PARSE_ELEMS;
1483                 gchar *scanpos = NULL;
1484
1485                 /* FIXME: this looks phony. scanning for anything in the parse table */
1486                 for (n = 0; n < PARSE_ELEMS; n++) {
1487                         gchar *tmp;
1488
1489                         tmp = parser[n].search(walk, parser[n].needle);
1490                         if (tmp) {
1491                                 if (scanpos == NULL || tmp < scanpos) {
1492                                         scanpos = tmp;
1493                                         last_index = n;
1494                                 }
1495                         }
1496                 }
1497
1498                 if (scanpos) {
1499                         /* check if URI can be parsed */
1500                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, FALSE)
1501                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1502                                         ADD_TXT_POS_LATER(bp, ep, last_index);
1503                                         walk = ep;
1504                         } else
1505                                 walk = scanpos +
1506                                         strlen(parser[last_index].needle);
1507                 } else
1508                         break;
1509         }
1510
1511         /* colorize this line */
1512         if (head.next) {
1513                 /* insert URIs */
1514                 for (last = head.next; last != NULL; last = last->next) {
1515                         ClickableText *uri;
1516                         gint start_offset, end_offset;
1517                         gchar *tmp_str;
1518                         gchar old_char;
1519                         uri = g_new0(ClickableText, 1);
1520                         uri->uri = parser[last->pti].build_uri(last->bp,
1521                                                                last->ep);
1522
1523                         tmp_str = mybuf;
1524                         old_char = tmp_str[last->ep - mybuf];
1525                         tmp_str[last->ep - mybuf] = '\0';
1526                         end_offset = g_utf8_strlen(tmp_str, -1);
1527                         tmp_str[last->ep - mybuf] = old_char;
1528
1529                         old_char = tmp_str[last->bp - mybuf];
1530                         tmp_str[last->bp - mybuf] = '\0';
1531                         start_offset = g_utf8_strlen(tmp_str, -1);
1532                         tmp_str[last->bp - mybuf] = old_char;
1533
1534                         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start_offset + offset);
1535                         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end_offset + offset);
1536
1537                         uri->start = gtk_text_iter_get_offset(&start_iter);
1538
1539                         gtk_text_buffer_apply_tag_by_name(buffer, "link", &start_iter, &end_iter);
1540
1541                         uri->end = gtk_text_iter_get_offset(&end_iter);
1542                         uri->filename = NULL;
1543                         textview->uri_list =
1544                                 g_slist_prepend(textview->uri_list, uri);
1545                 }
1546         }
1547
1548         g_free(mybuf);
1549 }
1550
1551 #undef ADD_TXT_POS
1552
1553 static void textview_write_line(TextView *textview, const gchar *str,
1554                                 CodeConverter *conv, gboolean do_quote_folding)
1555 {
1556         GtkTextView *text;
1557         GtkTextBuffer *buffer;
1558         GtkTextIter iter;
1559         gchar buf[BUFFSIZE];
1560         gchar *fg_color;
1561         gint quotelevel = -1, real_quotelevel = -1;
1562         gchar quote_tag_str[10];
1563
1564         text = GTK_TEXT_VIEW(textview->text);
1565         buffer = gtk_text_view_get_buffer(text);
1566         gtk_text_buffer_get_end_iter(buffer, &iter);
1567
1568         if (!conv)
1569                 strncpy2(buf, str, sizeof(buf));
1570         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1571                 conv_localetodisp(buf, sizeof(buf), str);
1572
1573         strcrchomp(buf);
1574         fg_color = NULL;
1575
1576         /* change color of quotation
1577            >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
1578            Up to 3 levels of quotations are detected, and each
1579            level is colored using a different color. */
1580         if (prefs_common.enable_color
1581             && line_has_quote_char(buf, prefs_common.quote_chars)) {
1582                 real_quotelevel = get_quote_level(buf, prefs_common.quote_chars);
1583                 quotelevel = real_quotelevel;
1584                 /* set up the correct foreground color */
1585                 if (quotelevel > 2) {
1586                         /* recycle colors */
1587                         if (prefs_common.recycle_quote_colors)
1588                                 quotelevel %= 3;
1589                         else
1590                                 quotelevel = 2;
1591                 }
1592         }
1593
1594         if (quotelevel == -1)
1595                 fg_color = NULL;
1596         else {
1597                 g_snprintf(quote_tag_str, sizeof(quote_tag_str),
1598                            "quote%d", quotelevel);
1599                 fg_color = quote_tag_str;
1600         }
1601
1602         if (prefs_common.enable_color) {
1603                 if (textview->is_diff) {
1604                         if (strncmp(buf, "+++ ", 4) == 0)
1605                                 fg_color = "diff-add-file";
1606                         else if (buf[0] == '+')
1607                                 fg_color = "diff-add";
1608                         else if (strncmp(buf, "--- ", 4) == 0)
1609                                 fg_color = "diff-del-file";
1610                         else if (buf[0] == '-')
1611                                 fg_color = "diff-del";
1612                         else if (strncmp(buf, "@@ ", 3) == 0 &&
1613                                         strcmp(buf+strlen(buf)-4, " @@\n") == 0)
1614                                 fg_color = "diff-hunk";
1615                 } else if (strcmp(buf,"-- \n") == 0
1616                                 || strcmp(buf, "- -- \n") == 0
1617                                 || textview->is_in_signature) {
1618                         fg_color = "signature";
1619                         textview->is_in_signature = TRUE;
1620                 }
1621         }
1622
1623         if (real_quotelevel > -1 && do_quote_folding) {
1624                 if (!g_utf8_validate(buf, -1, NULL)) {
1625                         gchar *utf8buf = NULL;
1626                         utf8buf = g_malloc(BUFFSIZE);
1627                         conv_localetodisp(utf8buf, BUFFSIZE, buf);
1628                         strncpy2(buf, utf8buf, BUFFSIZE-1);
1629                         g_free(utf8buf);
1630                 }
1631 do_quote:
1632                 if ( textview->prev_quote_level != real_quotelevel ) {
1633                         ClickableText *uri;
1634                         uri = g_new0(ClickableText, 1);
1635                         uri->uri = g_strdup("");
1636                         uri->data = g_strdup(buf);
1637                         uri->data_len = strlen(uri->data);
1638                         uri->start = gtk_text_iter_get_offset(&iter);
1639                         uri->is_quote = TRUE;
1640                         uri->quote_level = real_quotelevel;
1641                         uri->fg_color = g_strdup(fg_color);
1642
1643                         gtk_text_buffer_insert_with_tags_by_name
1644                                         (buffer, &iter, " [...]", -1,
1645                                          "qlink", fg_color, NULL);
1646                         uri->end = gtk_text_iter_get_offset(&iter);
1647                         gtk_text_buffer_insert(buffer, &iter, "  \n", -1);
1648
1649                         uri->filename = NULL;
1650                         textview->uri_list =
1651                                 g_slist_prepend(textview->uri_list, uri);
1652
1653                         textview->prev_quote_level = real_quotelevel;
1654                 } else {
1655                         GSList *last = textview->uri_list;
1656                         ClickableText *lasturi = NULL;
1657                         gint e_len = 0, n_len = 0;
1658
1659                         if (textview->uri_list) {
1660                                 lasturi = (ClickableText *)last->data;
1661                         } else {
1662                                 g_print("oops (%d %d)\n",
1663                                         real_quotelevel, textview->prev_quote_level);
1664                         }
1665                         if (lasturi) {
1666                                 if (lasturi->is_quote == FALSE) {
1667                                         textview->prev_quote_level = -1;
1668                                         goto do_quote;
1669                                 }
1670                                 e_len = lasturi->data ? lasturi->data_len:0;
1671                                 n_len = strlen(buf);
1672                                 lasturi->data = g_realloc((gchar *)lasturi->data, e_len + n_len + 1);
1673                                 strcpy((gchar *)lasturi->data + e_len, buf);
1674                                 *((gchar *)lasturi->data + e_len + n_len) = '\0';
1675                                 lasturi->data_len += n_len;
1676                         }
1677                 }
1678         } else {
1679                 textview_make_clickable_parts(textview, fg_color, "link", buf, FALSE);
1680                 textview->prev_quote_level = -1;
1681         }
1682 }
1683
1684 void textview_write_link(TextView *textview, const gchar *str,
1685                          const gchar *uri, CodeConverter *conv)
1686 {
1687         GtkTextView *text;
1688         GtkTextBuffer *buffer;
1689         GtkTextIter iter;
1690         gchar buf[BUFFSIZE];
1691         gchar *bufp;
1692         ClickableText *r_uri;
1693
1694         if (!str || *str == '\0')
1695                 return;
1696         if (!uri)
1697                 return;
1698
1699         while (uri && *uri && g_ascii_isspace(*uri))
1700                 uri++;
1701
1702         text = GTK_TEXT_VIEW(textview->text);
1703         buffer = gtk_text_view_get_buffer(text);
1704         gtk_text_buffer_get_end_iter(buffer, &iter);
1705
1706         if (!conv)
1707                 strncpy2(buf, str, sizeof(buf));
1708         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1709                 conv_utf8todisp(buf, sizeof(buf), str);
1710
1711         if (g_utf8_validate(buf, -1, NULL) == FALSE)
1712                 return;
1713
1714         strcrchomp(buf);
1715
1716         gtk_text_buffer_get_end_iter(buffer, &iter);
1717         for (bufp = buf; *bufp != '\0'; bufp = g_utf8_next_char(bufp)) {
1718                 gunichar ch;
1719
1720                 ch = g_utf8_get_char(bufp);
1721                 if (!g_unichar_isspace(ch))
1722                         break;
1723         }
1724         if (bufp > buf)
1725                 gtk_text_buffer_insert(buffer, &iter, buf, bufp - buf);
1726
1727         r_uri = g_new0(ClickableText, 1);
1728         r_uri->uri = g_strdup(uri);
1729         r_uri->start = gtk_text_iter_get_offset(&iter);
1730         gtk_text_buffer_insert_with_tags_by_name
1731                 (buffer, &iter, bufp, -1, "link", NULL);
1732         r_uri->end = gtk_text_iter_get_offset(&iter);
1733         r_uri->filename = NULL;
1734         textview->uri_list = g_slist_prepend(textview->uri_list, r_uri);
1735 }
1736
1737 static void textview_set_cursor(GdkWindow *window, GdkCursor *cursor)
1738 {
1739         if (GDK_IS_WINDOW(window))
1740                 gdk_window_set_cursor(window, cursor);
1741 }
1742 void textview_clear(TextView *textview)
1743 {
1744         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1745         GtkTextBuffer *buffer;
1746         GdkWindow *window = gtk_text_view_get_window(text,
1747                                 GTK_TEXT_WINDOW_TEXT);
1748
1749         buffer = gtk_text_view_get_buffer(text);
1750         gtk_text_buffer_set_text(buffer, "", -1);
1751
1752         TEXTVIEW_STATUSBAR_POP(textview);
1753         textview_uri_list_remove_all(textview->uri_list);
1754         textview->uri_list = NULL;
1755         textview->uri_hover = NULL;
1756         textview->prev_quote_level = -1;
1757
1758         textview->body_pos = 0;
1759         if (textview->image)
1760                 gtk_widget_destroy(textview->image);
1761         textview->image = NULL;
1762         textview->avatar_type = 0;
1763
1764         if (textview->messageview->mainwin->cursor_count == 0) {
1765                 textview_set_cursor(window, text_cursor);
1766         } else {
1767                 textview_set_cursor(window, watch_cursor);
1768         }
1769 }
1770
1771 void textview_destroy(TextView *textview)
1772 {
1773         GtkTextBuffer *buffer;
1774         GtkClipboard *clipboard;
1775
1776         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1777         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1778         gtk_text_buffer_remove_selection_clipboard(buffer, clipboard);
1779
1780         textview_uri_list_remove_all(textview->uri_list);
1781         textview->uri_list = NULL;
1782         textview->prev_quote_level = -1;
1783
1784         g_free(textview);
1785 }
1786
1787 #define CHANGE_TAG_FONT(tagname, font) { \
1788         tag = gtk_text_tag_table_lookup(tags, tagname); \
1789         if (tag) \
1790                 g_object_set(G_OBJECT(tag), "font-desc", font, NULL); \
1791 }
1792
1793 void textview_set_font(TextView *textview, const gchar *codeset)
1794 {
1795         GtkTextTag *tag;
1796         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1797         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
1798         PangoFontDescription *font_desc, *bold_font_desc;
1799
1800         font_desc = pango_font_description_from_string
1801                                         (NORMAL_FONT);
1802         if (font_desc) {
1803                 gtk_widget_modify_font(textview->text, font_desc);
1804                 CHANGE_TAG_FONT("header", font_desc);
1805                 CHANGE_TAG_FONT("hlink", font_desc);
1806                 pango_font_description_free(font_desc);
1807         }
1808         if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
1809                 bold_font_desc = pango_font_description_from_string
1810                                                 (NORMAL_FONT);
1811                 if (bold_font_desc)
1812                         pango_font_description_set_weight
1813                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
1814         } else {
1815                 bold_font_desc = pango_font_description_from_string
1816                                                 (BOLD_FONT);
1817         }
1818         if (bold_font_desc) {
1819                 CHANGE_TAG_FONT("header_title", bold_font_desc);
1820                 pango_font_description_free(bold_font_desc);
1821         }
1822
1823         if (prefs_common.textfont) {
1824                 PangoFontDescription *font_desc;
1825
1826                 font_desc = pango_font_description_from_string
1827                                                 (prefs_common.textfont);
1828                 if (font_desc) {
1829                         gtk_widget_modify_font(textview->text, font_desc);
1830                         pango_font_description_free(font_desc);
1831                 }
1832         }
1833         gtk_text_view_set_pixels_above_lines(GTK_TEXT_VIEW(textview->text),
1834                                              prefs_common.line_space / 2);
1835         gtk_text_view_set_pixels_below_lines(GTK_TEXT_VIEW(textview->text),
1836                                              prefs_common.line_space / 2);
1837 }
1838
1839 void textview_set_text(TextView *textview, const gchar *text)
1840 {
1841         GtkTextView *view;
1842         GtkTextBuffer *buffer;
1843
1844         cm_return_if_fail(textview != NULL);
1845         cm_return_if_fail(text != NULL);
1846
1847         textview_clear(textview);
1848
1849         view = GTK_TEXT_VIEW(textview->text);
1850         buffer = gtk_text_view_get_buffer(view);
1851         gtk_text_buffer_set_text(buffer, text, strlen(text));
1852 }
1853
1854 enum
1855 {
1856         H_DATE          = 0,
1857         H_FROM          = 1,
1858         H_TO            = 2,
1859         H_NEWSGROUPS    = 3,
1860         H_SUBJECT       = 4,
1861         H_CC            = 5,
1862         H_REPLY_TO      = 6,
1863         H_FOLLOWUP_TO   = 7,
1864         H_X_MAILER      = 8,
1865         H_X_NEWSREADER  = 9,
1866         H_USER_AGENT    = 10,
1867         H_ORGANIZATION  = 11,
1868 };
1869
1870 void textview_set_position(TextView *textview, gint pos)
1871 {
1872         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1873
1874         gtkut_text_view_set_position(text, pos);
1875 }
1876
1877 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1878 {
1879         gchar buf[BUFFSIZE];
1880         GPtrArray *headers, *sorted_headers;
1881         GSList *disphdr_list;
1882         Header *header;
1883         gint i;
1884
1885         cm_return_val_if_fail(fp != NULL, NULL);
1886
1887         if (prefs_common.show_all_headers) {
1888                 headers = procheader_get_header_array_asis(fp);
1889                 sorted_headers = g_ptr_array_new();
1890                 for (i = 0; i < headers->len; i++) {
1891                         header = g_ptr_array_index(headers, i);
1892                         if (!procheader_header_is_internal(header->name))
1893                                 g_ptr_array_add(sorted_headers, header);
1894                         else
1895                                 procheader_header_free(header);
1896                 }
1897                 g_ptr_array_free(headers, TRUE);
1898                 return sorted_headers;
1899         }
1900
1901         if (!prefs_common.display_header) {
1902                 while (fgets(buf, sizeof(buf), fp) != NULL)
1903                         if (buf[0] == '\r' || buf[0] == '\n') break;
1904                 return NULL;
1905         }
1906
1907         headers = procheader_get_header_array_asis(fp);
1908
1909         sorted_headers = g_ptr_array_new();
1910
1911         for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1912              disphdr_list = disphdr_list->next) {
1913                 DisplayHeaderProp *dp =
1914                         (DisplayHeaderProp *)disphdr_list->data;
1915
1916                 for (i = 0; i < headers->len; i++) {
1917                         header = g_ptr_array_index(headers, i);
1918
1919                         if (procheader_headername_equal(header->name,
1920                                                         dp->name)) {
1921                                 if (dp->hidden)
1922                                         procheader_header_free(header);
1923                                 else
1924                                         g_ptr_array_add(sorted_headers, header);
1925
1926                                 g_ptr_array_remove_index(headers, i);
1927                                 i--;
1928                         }
1929                 }
1930         }
1931
1932         if (prefs_common.show_other_header) {
1933                 for (i = 0; i < headers->len; i++) {
1934                         header = g_ptr_array_index(headers, i);
1935                         if (!procheader_header_is_internal(header->name)) {
1936                                 g_ptr_array_add(sorted_headers, header);
1937                         } else {
1938                                 procheader_header_free(header);
1939                         }
1940                 }
1941                 g_ptr_array_free(headers, TRUE);
1942         } else
1943                 procheader_header_array_destroy(headers);
1944
1945
1946         return sorted_headers;
1947 }
1948
1949 static void textview_show_avatar(TextView *textview)
1950 {
1951         GtkAllocation allocation;
1952         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1953         MsgInfo *msginfo = textview->messageview->msginfo;
1954         int x = 0;
1955         AvatarRender *avatarr;
1956
1957         if (prefs_common.display_header_pane || !prefs_common.display_xface)
1958                 goto bail;
1959
1960         avatarr = avatars_avatarrender_new(msginfo);
1961         hooks_invoke(AVATAR_IMAGE_RENDER_HOOKLIST, avatarr);
1962
1963         if (!avatarr->image) {
1964                 avatars_avatarrender_free(avatarr);
1965                 goto bail;
1966         }
1967
1968         if (textview->image)
1969                 gtk_widget_destroy(textview->image);
1970
1971         textview->image = avatarr->image;
1972         textview->avatar_type = avatarr->type;
1973         avatarr->image = NULL; /* avoid destroying */
1974         avatars_avatarrender_free(avatarr);
1975
1976         gtk_widget_show(textview->image);
1977
1978         gtk_widget_get_allocation(textview->text, &allocation);
1979         x = allocation.width - WIDTH -5;
1980
1981         gtk_text_view_add_child_in_window(text, textview->image,
1982                 GTK_TEXT_WINDOW_TEXT, x, 5);
1983
1984         gtk_widget_show_all(textview->text);
1985
1986         return;
1987 bail:
1988         if (textview->image)
1989                 gtk_widget_destroy(textview->image);
1990         textview->image = NULL;
1991         textview->avatar_type = 0;
1992 }
1993
1994 void textview_show_icon(TextView *textview, const gchar *stock_id)
1995 {
1996         GtkAllocation allocation;
1997         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1998         int x = 0;
1999
2000         if (textview->image)
2001                 gtk_widget_destroy(textview->image);
2002
2003         textview->image = gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_DIALOG);
2004         cm_return_if_fail(textview->image != NULL);
2005
2006         gtk_widget_show(textview->image);
2007
2008         gtk_widget_get_allocation(textview->text, &allocation);
2009         x = allocation.width - WIDTH -5;
2010
2011         gtk_text_view_add_child_in_window(text, textview->image,
2012                 GTK_TEXT_WINDOW_TEXT, x, 5);
2013
2014         gtk_widget_show_all(textview->text);
2015
2016
2017         return;
2018 }
2019
2020 static void textview_save_contact_pic(TextView *textview)
2021 {
2022 #ifndef USE_NEW_ADDRBOOK
2023         MsgInfo *msginfo = textview->messageview->msginfo;
2024         gchar *filename = NULL;
2025         GError *error = NULL;
2026         GdkPixbuf *picture = NULL;
2027
2028         if (!msginfo->extradata || !msginfo->extradata->avatars)
2029                 return;
2030
2031         if (textview->avatar_type > AVATAR_FACE)
2032                 return;
2033
2034         if (textview->image)
2035                 picture = gtk_image_get_pixbuf(GTK_IMAGE(textview->image));
2036
2037         filename = addrindex_get_picture_file(msginfo->from);
2038         if (!filename)
2039                 return;
2040         if (!is_file_exist(filename)) {
2041                 gdk_pixbuf_save(picture, filename, "png", &error, NULL);
2042                 if (error) {
2043                         g_warning(_("Failed to save image: \n%s"),
2044                                         error->message);
2045                         g_error_free(error);
2046                 }
2047         }
2048         g_free(filename);
2049 #else
2050         /* new address book */
2051 #endif
2052 }
2053
2054 static void textview_show_contact_pic(TextView *textview)
2055 {
2056 #ifndef USE_NEW_ADDRBOOK
2057         MsgInfo *msginfo = textview->messageview->msginfo;
2058         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2059         int x = 0;
2060         gchar *filename = NULL;
2061         GError *error = NULL;
2062         GdkPixbuf *picture = NULL;
2063         gint w, h;
2064         GtkAllocation allocation;
2065
2066         if (prefs_common.display_header_pane
2067                 || !prefs_common.display_xface)
2068                 goto bail;
2069
2070         if (msginfo->extradata && msginfo->extradata->avatars)
2071                 return;
2072
2073         if (textview->image)
2074                 gtk_widget_destroy(textview->image);
2075
2076         filename = addrindex_get_picture_file(msginfo->from);
2077
2078         if (!filename)
2079                 goto bail;
2080         if (!is_file_exist(filename)) {
2081                 g_free(filename);
2082                 goto bail;
2083         }
2084
2085         gdk_pixbuf_get_file_info(filename, &w, &h);
2086
2087         if (w > 48 || h > 48)
2088                 picture = gdk_pixbuf_new_from_file_at_scale(filename,
2089                                                 48, 48, TRUE, &error);
2090         else
2091                 picture = gdk_pixbuf_new_from_file(filename, &error);
2092
2093         if (error) {
2094                 debug_print("Failed to import image: \n%s",
2095                                 error->message);
2096                 g_error_free(error);
2097                 goto bail;
2098         }
2099         g_free(filename);
2100
2101         if (picture) {
2102                 textview->image = gtk_image_new_from_pixbuf(picture);
2103                 g_object_unref(picture);
2104         }
2105         cm_return_if_fail(textview->image != NULL);
2106
2107         gtk_widget_show(textview->image);
2108
2109         gtk_widget_get_allocation(textview->text, &allocation);
2110         x = allocation.width - WIDTH -5;
2111
2112         gtk_text_view_add_child_in_window(text, textview->image,
2113                 GTK_TEXT_WINDOW_TEXT, x, 5);
2114
2115         gtk_widget_show_all(textview->text);
2116
2117         return;
2118 bail:
2119         if (textview->image)
2120                 gtk_widget_destroy(textview->image);
2121         textview->image = NULL;
2122         textview->avatar_type = 0;
2123 #else
2124         /* new address book */
2125 #endif
2126 }
2127
2128 static gint textview_tag_cmp_list(gconstpointer a, gconstpointer b)
2129 {
2130         gint id_a = GPOINTER_TO_INT(a);
2131         gint id_b = GPOINTER_TO_INT(b);
2132         const gchar *tag_a = tags_get_tag(id_a);
2133         const gchar *tag_b = tags_get_tag(id_b);
2134
2135         if (tag_a == NULL)
2136                 return tag_b == NULL ? 0:1;
2137
2138         if (tag_b == NULL)
2139                 return 1;
2140
2141         return g_utf8_collate(tag_a, tag_b);
2142 }
2143
2144
2145 static void textview_show_tags(TextView *textview)
2146 {
2147         MsgInfo *msginfo = textview->messageview->msginfo;
2148         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2149         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2150         GtkTextIter iter;
2151         ClickableText *uri;
2152         GSList *cur, *orig;
2153         gboolean found_tag = FALSE;
2154
2155         if (!msginfo->tags)
2156                 return;
2157
2158         cur = orig = g_slist_sort(g_slist_copy(msginfo->tags), textview_tag_cmp_list);
2159
2160         for (; cur; cur = cur->next) {
2161                 if (tags_get_tag(GPOINTER_TO_INT(cur->data)) != NULL) {
2162                         found_tag = TRUE;
2163                         break;
2164                 }
2165         }
2166         if (!found_tag) {
2167                 g_slist_free(orig);
2168                 return;
2169         }
2170
2171         gtk_text_buffer_get_end_iter (buffer, &iter);
2172         gtk_text_buffer_insert_with_tags_by_name(buffer,
2173                 &iter, _("Tags: "), -1,
2174                 "header_title", "header", "tags", NULL);
2175
2176         for (cur = orig; cur; cur = cur->next) {
2177                 const gchar *cur_tag = tags_get_tag(GPOINTER_TO_INT(cur->data));
2178                 if (!cur_tag)
2179                         continue;
2180                 uri = g_new0(ClickableText, 1);
2181                 uri->uri = g_strdup("");
2182                 uri->start = gtk_text_iter_get_offset(&iter);
2183                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
2184                         cur_tag, -1,
2185                         "link", "header", "tags", NULL);
2186                 uri->end = gtk_text_iter_get_offset(&iter);
2187                 uri->filename = g_strdup_printf("sc://search_tags:%s", cur_tag);
2188                 uri->data = NULL;
2189                 textview->uri_list =
2190                         g_slist_prepend(textview->uri_list, uri);
2191                 if (cur->next && tags_get_tag(GPOINTER_TO_INT(cur->next->data)))
2192                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, ", ", 2,
2193                                 "header", "tags", NULL);
2194                 else
2195                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, " ", 1,
2196                                 "header", "tags", NULL);
2197         }
2198         g_slist_free(orig);
2199
2200         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2201                 "header", "tags", NULL);
2202 }
2203
2204 static void textview_show_header(TextView *textview, GPtrArray *headers)
2205 {
2206         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2207         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2208         GtkTextIter iter;
2209         Header *header;
2210         gint i;
2211
2212         cm_return_if_fail(headers != NULL);
2213
2214         for (i = 0; i < headers->len; i++) {
2215                 header = g_ptr_array_index(headers, i);
2216                 cm_return_if_fail(header->name != NULL);
2217
2218                 gtk_text_buffer_get_end_iter (buffer, &iter);
2219                 if(prefs_common.trans_hdr == TRUE) {
2220                         gchar *hdr = g_strndup(header->name, strlen(header->name) - 1);
2221                         gchar *trans_hdr = gettext(hdr);
2222                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2223                                 &iter, trans_hdr, -1,
2224                                 "header_title", "header", NULL);
2225                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2226                                 &iter, ":", 1, "header_title", "header", NULL);
2227                         g_free(hdr);
2228                 } else {
2229                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2230                                 &iter, header->name,
2231                                 -1, "header_title", "header", NULL);
2232                 }
2233                 if (header->name[strlen(header->name) - 1] != ' ')
2234                 gtk_text_buffer_insert_with_tags_by_name
2235                                 (buffer, &iter, " ", 1,
2236                                  "header_title", "header", NULL);
2237
2238                 if (procheader_headername_equal(header->name, "Subject") ||
2239                     procheader_headername_equal(header->name, "From")    ||
2240                     procheader_headername_equal(header->name, "To")      ||
2241                     procheader_headername_equal(header->name, "Cc"))
2242                         unfold_line(header->body);
2243
2244                 if (procheader_headername_equal(header->name, "Date") &&
2245                     prefs_common.msgview_date_format) {
2246                         gchar hbody[80];
2247
2248                         procheader_date_parse(hbody, header->body, sizeof(hbody));
2249                         gtk_text_buffer_get_end_iter (buffer, &iter);
2250                         gtk_text_buffer_insert_with_tags_by_name
2251                                 (buffer, &iter, hbody, -1, "header", NULL);
2252                 } else if ((procheader_headername_equal(header->name, "X-Mailer") ||
2253                                 procheader_headername_equal(header->name,
2254                                                  "X-Newsreader")) &&
2255                                 (strstr(header->body, "Claws Mail") != NULL ||
2256                                 strstr(header->body, "Sylpheed-Claws") != NULL)) {
2257                         gtk_text_buffer_get_end_iter (buffer, &iter);
2258                         gtk_text_buffer_insert_with_tags_by_name
2259                                 (buffer, &iter, header->body, -1,
2260                                  "header", "emphasis", NULL);
2261                 } else {
2262                         gboolean hdr =
2263                           procheader_headername_equal(header->name, "From") ||
2264                           procheader_headername_equal(header->name, "To") ||
2265                           procheader_headername_equal(header->name, "Cc") ||
2266                           procheader_headername_equal(header->name, "Bcc") ||
2267                           procheader_headername_equal(header->name, "Reply-To") ||
2268                           procheader_headername_equal(header->name, "Sender");
2269                         textview_make_clickable_parts(textview, "header",
2270                                                       "hlink", header->body,
2271                                                       hdr);
2272                 }
2273                 gtk_text_buffer_get_end_iter (buffer, &iter);
2274                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2275                                                          "header", NULL);
2276         }
2277
2278         textview_show_avatar(textview);
2279
2280         textview_save_contact_pic(textview);
2281         textview_show_contact_pic(textview);
2282 }
2283
2284 gboolean textview_search_string(TextView *textview, const gchar *str,
2285                                 gboolean case_sens)
2286 {
2287         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2288
2289         return gtkut_text_view_search_string(text, str, case_sens);
2290 }
2291
2292 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
2293                                          gboolean case_sens)
2294 {
2295         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2296
2297         return gtkut_text_view_search_string_backward(text, str, case_sens);
2298 }
2299
2300 void textview_scroll_one_line(TextView *textview, gboolean up)
2301 {
2302         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2303         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2304
2305         gtkutils_scroll_one_line(GTK_WIDGET(text), vadj, up);
2306 }
2307
2308 gboolean textview_scroll_page(TextView *textview, gboolean up)
2309 {
2310         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2311         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2312
2313         return gtkutils_scroll_page(GTK_WIDGET(text), vadj, up);
2314 }
2315
2316 void textview_scroll_max(TextView *textview, gboolean up)
2317 {
2318         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2319         GtkTextIter iter;
2320
2321         if (up) {
2322                 gtk_text_buffer_get_start_iter(buffer, &iter);
2323                 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview->text),
2324                                                 &iter, 0.0, TRUE, 0.0, 1.0);
2325
2326         } else {
2327                 gtk_text_buffer_get_end_iter(buffer, &iter);
2328                 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview->text),
2329                                                 &iter, 0.0, TRUE, 0.0, 0.0);
2330         }
2331 }
2332
2333 #define KEY_PRESS_EVENT_STOP() \
2334         g_signal_stop_emission_by_name(G_OBJECT(widget), \
2335                                        "key_press_event");
2336
2337 static gint textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2338                                  TextView *textview)
2339 {
2340         GdkWindow *window = NULL;
2341         SummaryView *summaryview = NULL;
2342         MessageView *messageview = textview->messageview;
2343
2344         if (!event) return FALSE;
2345         if (messageview->mainwin)
2346                 summaryview = messageview->mainwin->summaryview;
2347
2348         switch (event->keyval) {
2349         case GDK_KEY_Tab:
2350         case GDK_KEY_Left:
2351         case GDK_KEY_Up:
2352         case GDK_KEY_Right:
2353         case GDK_KEY_Down:
2354         case GDK_KEY_Page_Up:
2355         case GDK_KEY_Page_Down:
2356         case GDK_KEY_Control_L:
2357         case GDK_KEY_Control_R:
2358                 return FALSE;
2359         case GDK_KEY_Home:
2360         case GDK_KEY_End:
2361                 textview_scroll_max(textview,(event->keyval == GDK_KEY_Home));
2362                 return TRUE;
2363         case GDK_KEY_space:
2364                 if (summaryview)
2365                         summary_pass_key_press_event(summaryview, event);
2366                 else
2367                         mimeview_scroll_page
2368                                 (messageview->mimeview,
2369                                  (event->state &
2370                                   (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2371                 break;
2372         case GDK_KEY_BackSpace:
2373                 mimeview_scroll_page(messageview->mimeview, TRUE);
2374                 break;
2375         case GDK_KEY_Return:
2376         case GDK_KEY_KP_Enter:
2377                 mimeview_scroll_one_line
2378                         (messageview->mimeview, (event->state &
2379                                     (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2380                 break;
2381         case GDK_KEY_Delete:
2382                 if (summaryview)
2383                         summary_pass_key_press_event(summaryview, event);
2384                 break;
2385         default:
2386                 if (messageview->mainwin) {
2387                         window = gtk_widget_get_window(messageview->mainwin->window);
2388                         if (summaryview &&
2389                             event->window != window) {
2390                                 GdkEventKey tmpev = *event;
2391
2392                                 tmpev.window = window;
2393                                 KEY_PRESS_EVENT_STOP();
2394                                 gtk_widget_event(messageview->mainwin->window,
2395                                                  (GdkEvent *)&tmpev);
2396                         }
2397                 }
2398                 break;
2399         }
2400
2401         return TRUE;
2402 }
2403
2404 static gboolean textview_motion_notify(GtkWidget *widget,
2405                                        GdkEventMotion *event,
2406                                        TextView *textview)
2407 {
2408         if (textview->loading)
2409                 return FALSE;
2410         textview_uri_update(textview, event->x, event->y);
2411         gdk_window_get_pointer(gtk_widget_get_window(widget), NULL, NULL, NULL);
2412
2413         return FALSE;
2414 }
2415
2416 static gboolean textview_leave_notify(GtkWidget *widget,
2417                                       GdkEventCrossing *event,
2418                                       TextView *textview)
2419 {
2420         if (textview->loading)
2421                 return FALSE;
2422         textview_uri_update(textview, -1, -1);
2423
2424         return FALSE;
2425 }
2426
2427 static gboolean textview_visibility_notify(GtkWidget *widget,
2428                                            GdkEventVisibility *event,
2429                                            TextView *textview)
2430 {
2431         gint wx, wy;
2432         GdkWindow *window;
2433
2434         if (textview->loading)
2435                 return FALSE;
2436
2437         window = gtk_text_view_get_window(GTK_TEXT_VIEW(widget),
2438                                           GTK_TEXT_WINDOW_TEXT);
2439
2440         /* check if occurred for the text window part */
2441         if (window != event->window)
2442                 return FALSE;
2443
2444         gdk_window_get_pointer(gtk_widget_get_window(widget), &wx, &wy, NULL);
2445         textview_uri_update(textview, wx, wy);
2446
2447         return FALSE;
2448 }
2449
2450 void textview_cursor_wait(TextView *textview)
2451 {
2452         GdkWindow *window = gtk_text_view_get_window(
2453                         GTK_TEXT_VIEW(textview->text),
2454                         GTK_TEXT_WINDOW_TEXT);
2455         textview_set_cursor(window, watch_cursor);
2456 }
2457
2458 void textview_cursor_normal(TextView *textview)
2459 {
2460         GdkWindow *window = gtk_text_view_get_window(
2461                         GTK_TEXT_VIEW(textview->text),
2462                         GTK_TEXT_WINDOW_TEXT);
2463         textview_set_cursor(window, text_cursor);
2464 }
2465
2466 static void textview_uri_update(TextView *textview, gint x, gint y)
2467 {
2468         GtkTextBuffer *buffer;
2469         GtkTextIter start_iter, end_iter;
2470         ClickableText *uri = NULL;
2471
2472         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2473
2474         if (x != -1 && y != -1) {
2475                 gint bx, by;
2476                 GtkTextIter iter;
2477                 GSList *tags;
2478                 GSList *cur;
2479
2480                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview->text),
2481                                                       GTK_TEXT_WINDOW_WIDGET,
2482                                                       x, y, &bx, &by);
2483                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview->text),
2484                                                    &iter, bx, by);
2485
2486                 tags = gtk_text_iter_get_tags(&iter);
2487                 for (cur = tags; cur != NULL; cur = cur->next) {
2488                         GtkTextTag *tag = cur->data;
2489                         char *name;
2490
2491                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
2492
2493                         if ((!strcmp(name, "link") || !strcmp(name, "hlink"))
2494                             && textview_get_uri_range(textview, &iter, tag,
2495                                                       &start_iter, &end_iter)) {
2496
2497                                 uri = textview_get_uri_from_range(textview,
2498                                                                   &iter, tag,
2499                                                                   &start_iter,
2500                                                                   &end_iter);
2501                         }
2502                         g_free(name);
2503                         if (uri)
2504                                 break;
2505                 }
2506                 g_slist_free(tags);
2507         }
2508
2509         if (uri != textview->uri_hover) {
2510                 GdkWindow *window;
2511
2512                 if (textview->uri_hover)
2513                         gtk_text_buffer_remove_tag_by_name(buffer,
2514                                                            "link-hover",
2515                                                            &textview->uri_hover_start_iter,
2516                                                            &textview->uri_hover_end_iter);
2517
2518                 textview->uri_hover = uri;
2519                 if (uri) {
2520                         textview->uri_hover_start_iter = start_iter;
2521                         textview->uri_hover_end_iter = end_iter;
2522                 }
2523
2524                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview->text),
2525                                                   GTK_TEXT_WINDOW_TEXT);
2526                 if (textview->messageview->mainwin->cursor_count == 0) {
2527                         textview_set_cursor(window, uri ? hand_cursor : text_cursor);
2528                 } else {
2529                         textview_set_cursor(window, watch_cursor);
2530                 }
2531
2532                 TEXTVIEW_STATUSBAR_POP(textview);
2533
2534                 if (uri) {
2535                         if (!uri->is_quote)
2536                                 gtk_text_buffer_apply_tag_by_name(buffer,
2537                                                           "link-hover",
2538                                                           &start_iter,
2539                                                           &end_iter);
2540                         TEXTVIEW_STATUSBAR_PUSH(textview, uri->uri);
2541                 }
2542         }
2543 }
2544
2545 static gboolean textview_get_uri_range(TextView *textview,
2546                                        GtkTextIter *iter,
2547                                        GtkTextTag *tag,
2548                                        GtkTextIter *start_iter,
2549                                        GtkTextIter *end_iter)
2550 {
2551         return get_tag_range(iter, tag, start_iter, end_iter);
2552 }
2553
2554 static ClickableText *textview_get_uri_from_range(TextView *textview,
2555                                               GtkTextIter *iter,
2556                                               GtkTextTag *tag,
2557                                               GtkTextIter *start_iter,
2558                                               GtkTextIter *end_iter)
2559 {
2560         gint start_pos, end_pos, cur_pos;
2561         ClickableText *uri = NULL;
2562         GSList *cur;
2563
2564         start_pos = gtk_text_iter_get_offset(start_iter);
2565         end_pos = gtk_text_iter_get_offset(end_iter);
2566         cur_pos = gtk_text_iter_get_offset(iter);
2567
2568         for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
2569                 ClickableText *uri_ = (ClickableText *)cur->data;
2570                 if (start_pos == uri_->start &&
2571                     end_pos ==  uri_->end) {
2572                         uri = uri_;
2573                         break;
2574                 }
2575         }
2576         for (cur = textview->uri_list; uri == NULL && cur != NULL; cur = cur->next) {
2577                 ClickableText *uri_ = (ClickableText *)cur->data;
2578                 if (start_pos == uri_->start ||
2579                            end_pos == uri_->end) {
2580                         /* in case of contiguous links, textview_get_uri_range
2581                          * returns a broader range (start of 1st link to end
2582                          * of last link).
2583                          * In that case, correct link is the one covering
2584                          * current iter.
2585                          */
2586                         if (uri_->start <= cur_pos && cur_pos <= uri_->end) {
2587                                 uri = uri_;
2588                                 break;
2589                         }
2590                 }
2591         }
2592
2593         return uri;
2594 }
2595
2596 static ClickableText *textview_get_uri(TextView *textview,
2597                                    GtkTextIter *iter,
2598                                    GtkTextTag *tag)
2599 {
2600         GtkTextIter start_iter, end_iter;
2601         ClickableText *uri = NULL;
2602
2603         if (textview_get_uri_range(textview, iter, tag, &start_iter,
2604                                    &end_iter))
2605                 uri = textview_get_uri_from_range(textview, iter, tag,
2606                                                   &start_iter, &end_iter);
2607
2608         return uri;
2609 }
2610
2611 static void textview_shift_uris_after(TextView *textview, GSList *start_list, gint start, gint shift)
2612 {
2613         GSList *cur;
2614         if (!start_list)
2615                 start_list = textview->uri_list;
2616
2617         for (cur = start_list; cur; cur = cur->next) {
2618                 ClickableText *uri = (ClickableText *)cur->data;
2619                 if (uri->start <= start)
2620                         continue;
2621                 uri->start += shift;
2622                 uri->end += shift;
2623         }
2624 }
2625
2626 static void textview_remove_uris_in(TextView *textview, gint start, gint end)
2627 {
2628         GSList *cur;
2629         for (cur = textview->uri_list; cur; ) {
2630                 ClickableText *uri = (ClickableText *)cur->data;
2631                 if (uri->start > start && uri->end < end) {
2632                         cur = cur->next;
2633                         textview->uri_list = g_slist_remove(textview->uri_list, uri);
2634                         g_free(uri->uri);
2635                         g_free(uri->filename);
2636                         if (uri->is_quote) {
2637                                 g_free(uri->fg_color);
2638                                 g_free(uri->data);
2639                                 /* (only free data in quotes uris) */
2640                         }
2641                         g_free(uri);
2642                 } else {
2643                         cur = cur->next;
2644                 }
2645
2646         }
2647 }
2648
2649 static void textview_toggle_quote(TextView *textview, GSList *start_list, ClickableText *uri, gboolean expand_only)
2650 {
2651         GtkTextIter start, end;
2652         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2653
2654         if (!uri->is_quote)
2655                 return;
2656
2657         if (uri->q_expanded && expand_only)
2658                 return;
2659
2660         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2661         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2662         if (textview->uri_hover)
2663                 gtk_text_buffer_remove_tag_by_name(buffer,
2664                                                    "link-hover",
2665                                                    &textview->uri_hover_start_iter,
2666                                                    &textview->uri_hover_end_iter);
2667         textview->uri_hover = NULL;
2668         gtk_text_buffer_remove_tag_by_name(buffer,
2669                                            "qlink",
2670                                            &start,
2671                                            &end);
2672         /* when shifting URIs start and end, we have to do it per-UTF8-char
2673          * so use g_utf8_strlen(). OTOH, when inserting in the text buffer,
2674          * we have to pass a number of bytes, so use strlen(). disturbing. */
2675
2676         if (!uri->q_expanded) {
2677                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2678                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2679                 textview_shift_uris_after(textview, start_list, uri->start,
2680                         g_utf8_strlen((gchar *)uri->data, -1)-strlen(" [...]\n"));
2681                 gtk_text_buffer_delete(buffer, &start, &end);
2682                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2683                 gtk_text_buffer_insert_with_tags_by_name
2684                                 (buffer, &start, (gchar *)uri->data,
2685                                  strlen((gchar *)uri->data)-1,
2686                                  "qlink", (gchar *)uri->fg_color, NULL);
2687                 uri->end = gtk_text_iter_get_offset(&start);
2688                 textview_make_clickable_parts_later(textview,
2689                                           uri->start, uri->end);
2690                 uri->q_expanded = TRUE;
2691         } else {
2692                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2693                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2694                 textview_remove_uris_in(textview, uri->start, uri->end);
2695                 textview_shift_uris_after(textview, start_list, uri->start,
2696                         strlen(" [...]\n")-g_utf8_strlen((gchar *)uri->data, -1));
2697                 gtk_text_buffer_delete(buffer, &start, &end);
2698                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2699                 gtk_text_buffer_insert_with_tags_by_name
2700                                 (buffer, &start, " [...]", -1,
2701                                  "qlink", (gchar *)uri->fg_color, NULL);
2702                 uri->end = gtk_text_iter_get_offset(&start);
2703                 uri->q_expanded = FALSE;
2704         }
2705         if (textview->messageview->mainwin->cursor_count == 0) {
2706                 textview_cursor_normal(textview);
2707         } else {
2708                 textview_cursor_wait(textview);
2709         }
2710 }
2711 static gboolean textview_uri_button_pressed(GtkTextTag *tag, GObject *obj,
2712                                             GdkEvent *event, GtkTextIter *iter,
2713                                             TextView *textview)
2714 {
2715         GdkEventButton *bevent;
2716         ClickableText *uri = NULL;
2717         char *tagname;
2718         gboolean qlink = FALSE;
2719
2720         if (!event)
2721                 return FALSE;
2722
2723         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
2724                 && event->type != GDK_MOTION_NOTIFY)
2725                 return FALSE;
2726
2727         uri = textview_get_uri(textview, iter, tag);
2728         if (!uri)
2729                 return FALSE;
2730
2731         g_object_get(G_OBJECT(tag), "name", &tagname, NULL);
2732
2733         if (!strcmp(tagname, "qlink"))
2734                 qlink = TRUE;
2735
2736         g_free(tagname);
2737
2738         bevent = (GdkEventButton *) event;
2739
2740         /* doubleclick: open compose / add address / browser */
2741         if (qlink && event->type == GDK_BUTTON_PRESS && bevent->button != 1) {
2742                 /* pass rightclick through */
2743                 return FALSE;
2744         } else if ((event->type == (qlink ? GDK_2BUTTON_PRESS:GDK_BUTTON_PRESS) && bevent->button == 1) ||
2745                 bevent->button == 2 || bevent->button == 3) {
2746                 if (uri->filename && !g_ascii_strncasecmp(uri->filename, "sc://", 5)) {
2747                         MimeView *mimeview =
2748                                 (textview->messageview)?
2749                                         textview->messageview->mimeview:NULL;
2750                         if (mimeview && bevent->button == 1) {
2751                                 mimeview_handle_cmd(mimeview, uri->filename, NULL, uri->data);
2752                         } else if (mimeview && bevent->button == 2 &&
2753                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2754                                 mimeview_handle_cmd(mimeview, "sc://open_attachment", NULL, uri->data);
2755                         } else if (mimeview && bevent->button == 3 &&
2756                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2757                                 mimeview_handle_cmd(mimeview, "sc://menu_attachment", bevent, uri->data);
2758                         }
2759                         return TRUE;
2760                 } else if (qlink && bevent->button == 1) {
2761                         if (prefs_common.hide_quoted)
2762                                 textview_toggle_quote(textview, NULL, uri, FALSE);
2763                         return TRUE;
2764                 } else if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) {
2765                         if (bevent->button == 3) {
2766                                 g_object_set_data(
2767                                         G_OBJECT(textview->mail_popup_menu),
2768                                         "menu_button", uri);
2769                                 gtk_menu_popup(GTK_MENU(textview->mail_popup_menu),
2770                                                NULL, NULL, NULL, NULL,
2771                                                bevent->button, bevent->time);
2772                         } else {
2773                                 PrefsAccount *account = NULL;
2774                                 FolderItem   *folder_item = NULL;
2775                                 Compose *compose;
2776
2777                                 if (textview->messageview && textview->messageview->msginfo &&
2778                                     textview->messageview->msginfo->folder) {
2779
2780
2781                                         folder_item = textview->messageview->msginfo->folder;
2782                                         if (folder_item->prefs && folder_item->prefs->enable_default_account)
2783                                                 account = account_find_from_id(folder_item->prefs->default_account);
2784                                         if (!account)
2785                                                 account = account_find_from_item(folder_item);
2786                                 }
2787                                 compose = compose_new_with_folderitem(account,
2788                                                                 folder_item, uri->uri + 7);
2789                                 compose_check_for_email_account(compose);
2790                         }
2791                         return TRUE;
2792                 } else if (g_ascii_strncasecmp(uri->uri, "file:", 5)) {
2793                         if (bevent->button == 1 &&
2794                             textview_uri_security_check(textview, uri) == TRUE)
2795                                         open_uri(uri->uri,
2796                                                  prefs_common_get_uri_cmd());
2797                         else if (bevent->button == 3 && !qlink) {
2798                                 g_object_set_data(
2799                                         G_OBJECT(textview->link_popup_menu),
2800                                         "menu_button", uri);
2801                                 gtk_menu_popup(GTK_MENU(textview->link_popup_menu),
2802                                                NULL, NULL, NULL, NULL,
2803                                                bevent->button, bevent->time);
2804                         }
2805                         return TRUE;
2806                 } else {
2807                         if (bevent->button == 3 && !qlink) {
2808                                 g_object_set_data(
2809                                         G_OBJECT(textview->file_popup_menu),
2810                                         "menu_button", uri);
2811                                 gtk_menu_popup(GTK_MENU(textview->file_popup_menu),
2812                                                NULL, NULL, NULL, NULL,
2813                                                bevent->button, bevent->time);
2814                                 return TRUE;
2815                         }
2816                 }
2817         }
2818
2819         return FALSE;
2820 }
2821
2822 gchar *textview_get_visible_uri         (TextView       *textview,
2823                                          ClickableText  *uri)
2824 {
2825         GtkTextBuffer *buffer;
2826         GtkTextIter start, end;
2827
2828         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2829
2830         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2831         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2832
2833         return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
2834 }
2835
2836 /*!
2837  *\brief    Check to see if a web URL has been disguised as a different
2838  *          URL (possible with HTML email).
2839  *
2840  *\param    uri The uri to check
2841  *
2842  *\param    textview The TextView the URL is contained in
2843  *
2844  *\return   gboolean TRUE if the URL is ok, or if the user chose to open
2845  *          it anyway, otherwise FALSE
2846  */
2847 gboolean textview_uri_security_check(TextView *textview, ClickableText *uri)
2848 {
2849         gchar *visible_str;
2850         gboolean retval = TRUE;
2851
2852         if (is_uri_string(uri->uri) == FALSE)
2853                 return TRUE;
2854
2855         visible_str = textview_get_visible_uri(textview, uri);
2856         if (visible_str == NULL)
2857                 return TRUE;
2858
2859         g_strstrip(visible_str);
2860
2861         if (strcmp(visible_str, uri->uri) != 0 && is_uri_string(visible_str)) {
2862                 gchar *uri_path;
2863                 gchar *visible_uri_path;
2864
2865                 uri_path = get_uri_path(uri->uri);
2866                 visible_uri_path = get_uri_path(visible_str);
2867                 if (path_cmp(uri_path, visible_uri_path) != 0)
2868                         retval = FALSE;
2869         }
2870
2871         if (retval == FALSE) {
2872                 gchar *msg;
2873                 AlertValue aval;
2874
2875                 msg = g_markup_printf_escaped(_("The real URL is different from "
2876                                                 "the displayed URL.\n"
2877                                                 "\n"
2878                                                 "<b>Displayed URL:</b> %s\n"
2879                                                 "\n"
2880                                                 "<b>Real URL:</b> %s\n"
2881                                                 "\n"
2882                                                 "Open it anyway?"),
2883                                                visible_str,uri->uri);
2884                 aval = alertpanel_full(_("Phishing attempt warning"), msg,
2885                                        GTK_STOCK_CANCEL, _("_Open URL"), NULL, FALSE,
2886                                        NULL, ALERT_WARNING, G_ALERTDEFAULT);
2887                 g_free(msg);
2888                 if (aval == G_ALERTALTERNATE)
2889                         retval = TRUE;
2890         }
2891
2892         g_free(visible_str);
2893
2894         return retval;
2895 }
2896
2897 static void textview_uri_list_remove_all(GSList *uri_list)
2898 {
2899         GSList *cur;
2900
2901         for (cur = uri_list; cur != NULL; cur = cur->next) {
2902                 if (cur->data) {
2903                         g_free(((ClickableText *)cur->data)->uri);
2904                         g_free(((ClickableText *)cur->data)->filename);
2905                         if (((ClickableText *)cur->data)->is_quote) {
2906                                 g_free(((ClickableText *)cur->data)->fg_color);
2907                                 g_free(((ClickableText *)cur->data)->data);
2908                                 /* (only free data in quotes uris) */
2909                         }
2910                         g_free(cur->data);
2911                 }
2912         }
2913
2914         g_slist_free(uri_list);
2915 }
2916
2917 static void open_uri_cb (GtkAction *action, TextView *textview)
2918 {
2919         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2920                                            "menu_button");
2921         const gchar *raw_url = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2922                                            "raw_url");
2923
2924         if (uri) {
2925                 if (textview_uri_security_check(textview, uri) == TRUE)
2926                         open_uri(uri->uri,
2927                                  prefs_common_get_uri_cmd());
2928                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2929                                   NULL);
2930         }
2931         if (raw_url) {
2932                 open_uri(raw_url, prefs_common_get_uri_cmd());
2933                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
2934                                   NULL);
2935         }
2936 }
2937
2938 static void open_image_cb (GtkAction *action, TextView *textview)
2939 {
2940         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
2941                                            "menu_button");
2942
2943         gchar *cmd = NULL;
2944         gchar buf[1024];
2945         const gchar *p;
2946         gchar *filename = NULL;
2947         gchar *tmp_filename = NULL;
2948
2949         if (uri == NULL)
2950                 return;
2951
2952         if (uri->filename == NULL)
2953                 return;
2954
2955         filename = g_strdup(uri->filename);
2956
2957         if (!g_utf8_validate(filename, -1, NULL)) {
2958                 gchar *tmp = conv_filename_to_utf8(filename);
2959                 g_free(filename);
2960                 filename = tmp;
2961         }
2962
2963         subst_for_filename(filename);
2964
2965         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
2966         copy_file(tmp_filename, filename, FALSE);
2967         g_free(tmp_filename);
2968
2969         cmd = mailcap_get_command_for_type("image/jpeg", filename);
2970         if (cmd == NULL) {
2971                 gboolean remember = FALSE;
2972                 cmd = input_dialog_combo_remember
2973                         (_("Open with"),
2974                          _("Enter the command-line to open file:\n"
2975                            "('%s' will be replaced with file name)"),
2976                          prefs_common.mime_open_cmd,
2977                          prefs_common.mime_open_cmd_history,
2978                          &remember);
2979                 if (cmd && remember) {
2980                         mailcap_update_default("image/jpeg", cmd);
2981                 }
2982         }
2983         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2984             !strchr(p + 2, '%'))
2985                 g_snprintf(buf, sizeof(buf), cmd, filename);
2986         else {
2987                 g_warning("Image viewer command-line is invalid: '%s'", cmd);
2988                 return;
2989         }
2990
2991         execute_command_line(buf, TRUE);
2992
2993         g_free(filename);
2994         g_free(cmd);
2995
2996         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
2997                           NULL);
2998 }
2999
3000 static void save_file_cb (GtkAction *action, TextView *textview)
3001 {
3002         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
3003                                            "menu_button");
3004         gchar *filename = NULL;
3005         gchar *filepath = NULL;
3006         gchar *filedir = NULL;
3007         gchar *tmp_filename = NULL;
3008         GtkWidget *window;
3009
3010         if (uri == NULL)
3011                 return;
3012
3013         if (uri->filename == NULL)
3014                 return;
3015
3016         filename = g_strdup(uri->filename);
3017
3018         if (!g_utf8_validate(filename, -1, NULL)) {
3019                 gchar *tmp = conv_filename_to_utf8(filename);
3020                 g_free(filename);
3021                 filename = tmp;
3022         }
3023
3024         subst_for_filename(filename);
3025
3026         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
3027                 filepath = g_strconcat(prefs_common.attach_save_dir,
3028                                        G_DIR_SEPARATOR_S, filename, NULL);
3029         else
3030                 filepath = g_strdup(filename);
3031
3032         g_free(filename);
3033
3034         /* Pick correct window to set the file dialog "transient for" */
3035         if (textview->messageview->window != NULL)
3036                 window = textview->messageview->window;
3037         else
3038                 window = textview->messageview->mainwin->window;
3039
3040         manage_window_focus_in(window, NULL, NULL);
3041
3042         filename = filesel_select_file_save(_("Save as"), filepath);
3043         if (!filename) {
3044                 g_free(filepath);
3045                 return;
3046         }
3047
3048         if (is_file_exist(filename)) {
3049                 AlertValue aval;
3050                 gchar *res;
3051
3052                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
3053                                       filename);
3054                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
3055                                   GTK_STOCK_OK, NULL);
3056                 g_free(res);
3057                 if (G_ALERTALTERNATE != aval)
3058                         return;
3059         }
3060
3061         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
3062         copy_file(tmp_filename, filename, FALSE);
3063         g_free(tmp_filename);
3064
3065         filedir = g_path_get_dirname(filename);
3066         if (filedir && strcmp(filedir, ".")) {
3067                 g_free(prefs_common.attach_save_dir);
3068                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
3069         }
3070
3071         g_free(filedir);
3072         g_free(filepath);
3073
3074         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
3075                           NULL);
3076 }
3077
3078 static void copy_uri_cb (GtkAction *action, TextView *textview)
3079 {
3080         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
3081                                            "menu_button");
3082         const gchar *raw_url =  g_object_get_data(G_OBJECT(textview->link_popup_menu),
3083                                            "raw_url");
3084         if (uri) {
3085                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri, -1);
3086                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri, -1);
3087                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
3088                           NULL);
3089         }
3090         if (raw_url) {
3091                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), raw_url, -1);
3092                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), raw_url, -1);
3093                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
3094                           NULL);
3095         }
3096 }
3097
3098 static void add_uri_to_addrbook_cb (GtkAction *action, TextView *textview)
3099 {
3100         gchar *fromname, *fromaddress;
3101         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3102                                            "menu_button");
3103         AvatarRender *avatarr = NULL;
3104         GdkPixbuf *picture = NULL;
3105         gboolean use_picture = FALSE;
3106
3107         if (uri == NULL)
3108                 return;
3109
3110         /* extract url */
3111         fromaddress = g_strdup(uri->uri + 7);
3112
3113         if (textview->messageview->msginfo &&
3114            !strcmp2(fromaddress, textview->messageview->msginfo->from))
3115                 use_picture = TRUE;
3116
3117         fromname = procheader_get_fromname(fromaddress);
3118         extract_address(fromaddress);
3119
3120         if (use_picture) {
3121                 avatarr = avatars_avatarrender_new(textview->messageview->msginfo);
3122                 hooks_invoke(AVATAR_IMAGE_RENDER_HOOKLIST, avatarr);
3123         }
3124
3125         if (avatarr && avatarr->image) {
3126                 picture = gtk_image_get_pixbuf(GTK_IMAGE(avatarr->image));
3127         }
3128         if (avatarr) {
3129                 avatars_avatarrender_free(avatarr);
3130         }
3131
3132 #ifndef USE_NEW_ADDRBOOK
3133         addressbook_add_contact( fromname, fromaddress, NULL, picture);
3134 #else
3135         if (addressadd_selection(fromname, fromaddress, NULL, picture)) {
3136                 debug_print( "addressbook_add_contact - added\n" );
3137         }
3138 #endif
3139
3140         g_free(fromaddress);
3141         g_free(fromname);
3142 }
3143
3144 static void reply_to_uri_cb (GtkAction *action, TextView *textview)
3145 {
3146         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3147                                            "menu_button");
3148         if (!textview->messageview || !uri)
3149                 return;
3150
3151         compose_reply_to_address (textview->messageview,
3152                                   textview->messageview->msginfo, uri->uri+7);
3153 }
3154
3155 static void mail_to_uri_cb (GtkAction *action, TextView *textview)
3156 {
3157         PrefsAccount *account = NULL;
3158         Compose *compose;
3159         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3160                                            "menu_button");
3161         if (uri == NULL)
3162                 return;
3163
3164         if (textview->messageview && textview->messageview->msginfo &&
3165             textview->messageview->msginfo->folder) {
3166                 FolderItem   *folder_item;
3167
3168                 folder_item = textview->messageview->msginfo->folder;
3169                 if (folder_item->prefs && folder_item->prefs->enable_default_account)
3170                         account = account_find_from_id(folder_item->prefs->default_account);
3171
3172                 compose = compose_new_with_folderitem(account, folder_item, uri->uri+7);
3173         } else {
3174                 compose = compose_new(account, uri->uri + 7, NULL);
3175         }
3176         compose_check_for_email_account(compose);
3177 }
3178
3179 static void copy_mail_to_uri_cb (GtkAction *action, TextView *textview)
3180 {
3181         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3182                                            "menu_button");
3183         if (uri == NULL)
3184                 return;
3185
3186         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri +7, -1);
3187         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri +7, -1);
3188         g_object_set_data(G_OBJECT(textview->mail_popup_menu), "menu_button",
3189                           NULL);
3190 }
3191
3192 void textview_get_selection_offsets(TextView *textview, gint *sel_start, gint *sel_end)
3193 {
3194                 GtkTextView *text = GTK_TEXT_VIEW(textview->text);
3195                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
3196                 GtkTextIter start, end;
3197                 if (gtk_text_buffer_get_selection_bounds(buffer, &start, &end)) {
3198                         if (sel_start)
3199                                 *sel_start = gtk_text_iter_get_offset(&start);
3200                         if (sel_end)
3201                                 *sel_end = gtk_text_iter_get_offset(&end);
3202                 } else {
3203                         if (sel_start)
3204                                 *sel_start = -1;
3205                         if (sel_end)
3206                                 *sel_end = -1;
3207                 }
3208 }