src/textview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2014 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #include "defs.h"
  26
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29 #include <gdk/gdk.h>
  30 #include <gdk/gdkkeysyms.h>
  31 #include <gtk/gtk.h>
  32 #include <stdio.h>
  33 #include <ctype.h>
  34 #include <string.h>
  35 #include <stdlib.h>
  36 #include <errno.h>
  37 #if HAVE_SYS_WAIT_H
  38 #include <sys/wait.h>
  39 #endif
  40
  41 #include "main.h"
  42 #include "summaryview.h"
  43 #include "procheader.h"
  44 #include "prefs_common.h"
  45 #include "codeconv.h"
  46 #include "utils.h"
  47 #include "gtkutils.h"
  48 #include "procmime.h"
  49 #include "html.h"
  50 #include "enriched.h"
  51 #include "compose.h"
  52 #ifndef USE_NEW_ADDRBOOK
  53         #include "addressbook.h"
  54         #include "addrindex.h"
  55 #else
  56         #include "addressbook-dbus.h"
  57         #include "addressadd.h"
  58 #endif
  59 #include "displayheader.h"
  60 #include "account.h"
  61 #include "mimeview.h"
  62 #include "alertpanel.h"
  63 #include "menu.h"
  64 #include "image_viewer.h"
  65 #include "filesel.h"
  66 #include "base64.h"
  67 #include "inputdialog.h"
  68 #include "timing.h"
  69 #include "tags.h"
  70 #include "manage_window.h"
  71 #include "folder_item_prefs.h"
  72 #include "hooks.h"
  73 #include "avatars.h"
  74
  75 static GdkColor quote_colors[3] = {
  76         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  77         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  78         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  79 };
  80
  81 static GdkColor quote_bgcolors[3] = {
  82         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  83         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  84         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  85 };
  86 static GdkColor signature_color = {
  87         (gulong)0,
  88         (gushort)0x7fff,
  89         (gushort)0x7fff,
  90         (gushort)0x7fff
  91 };
  92
  93 static GdkColor uri_color = {
  94         (gulong)0,
  95         (gushort)0,
  96         (gushort)0,
  97         (gushort)0
  98 };
  99
 100 static GdkColor emphasis_color = {
 101         (gulong)0,
 102         (gushort)0,
 103         (gushort)0,
 104         (gushort)0
 105 };
 106
 107 static GdkColor diff_added_color = {
 108         (gulong)0,
 109         (gushort)0,
 110         (gushort)0,
 111         (gushort)0
 112 };
 113
 114 static GdkColor diff_deleted_color = {
 115         (gulong)0,
 116         (gushort)0,
 117         (gushort)0,
 118         (gushort)0
 119 };
 120
 121 static GdkColor diff_hunk_color = {
 122         (gulong)0,
 123         (gushort)0,
 124         (gushort)0,
 125         (gushort)0
 126 };
 127
 128 static GdkCursor *hand_cursor = NULL;
 129 static GdkCursor *text_cursor = NULL;
 130 static GdkCursor *watch_cursor= NULL;
 131
 132 #define TEXTVIEW_STATUSBAR_PUSH(textview, str)                              \
 133 {       if (textview->messageview->statusbar)                               \
 134         gtk_statusbar_push(GTK_STATUSBAR(textview->messageview->statusbar), \
 135                            textview->messageview->statusbar_cid, str);      \
 136 }
 137
 138 #define TEXTVIEW_STATUSBAR_POP(textview)                                   \
 139 {       if (textview->messageview->statusbar)                              \
 140         gtk_statusbar_pop(GTK_STATUSBAR(textview->messageview->statusbar), \
 141                           textview->messageview->statusbar_cid);           \
 142 }
 143
 144 static void textview_show_ertf          (TextView       *textview,
 145                                          FILE           *fp,
 146                                          CodeConverter  *conv);
 147 static void textview_add_part           (TextView       *textview,
 148                                          MimeInfo       *mimeinfo);
 149 static void textview_add_parts          (TextView       *textview,
 150                                          MimeInfo       *mimeinfo);
 151 static void textview_write_body         (TextView       *textview,
 152                                          MimeInfo       *mimeinfo);
 153 static void textview_show_html          (TextView       *textview,
 154                                          FILE           *fp,
 155                                          CodeConverter  *conv);
 156
 157 static void textview_write_line         (TextView       *textview,
 158                                          const gchar    *str,
 159                                          CodeConverter  *conv,
 160                                          gboolean        do_quote_folding);
 161 static void textview_write_link         (TextView       *textview,
 162                                          const gchar    *str,
 163                                          const gchar    *uri,
 164                                          CodeConverter  *conv);
 165
 166 static GPtrArray *textview_scan_header  (TextView       *textview,
 167                                          FILE           *fp);
 168 static void textview_show_header        (TextView       *textview,
 169                                          GPtrArray      *headers);
 170
 171 static gint textview_key_pressed                (GtkWidget      *widget,
 172                                                  GdkEventKey    *event,
 173                                                  TextView       *textview);
 174 static gboolean textview_motion_notify          (GtkWidget      *widget,
 175                                                  GdkEventMotion *motion,
 176                                                  TextView       *textview);
 177 static gboolean textview_leave_notify           (GtkWidget        *widget,
 178                                                  GdkEventCrossing *event,
 179                                                  TextView         *textview);
 180 static gboolean textview_visibility_notify      (GtkWidget      *widget,
 181                                                  GdkEventVisibility *event,
 182                                                  TextView       *textview);
 183 static void textview_uri_update                 (TextView       *textview,
 184                                                  gint           x,
 185                                                  gint           y);
 186 static gboolean textview_get_uri_range          (TextView       *textview,
 187                                                  GtkTextIter    *iter,
 188                                                  GtkTextTag     *tag,
 189                                                  GtkTextIter    *start_iter,
 190                                                  GtkTextIter    *end_iter);
 191 static ClickableText *textview_get_uri_from_range       (TextView       *textview,
 192                                                  GtkTextIter    *iter,
 193                                                  GtkTextTag     *tag,
 194                                                  GtkTextIter    *start_iter,
 195                                                  GtkTextIter    *end_iter);
 196 static ClickableText *textview_get_uri          (TextView       *textview,
 197                                                  GtkTextIter    *iter,
 198                                                  GtkTextTag     *tag);
 199 static gboolean textview_uri_button_pressed     (GtkTextTag     *tag,
 200                                                  GObject        *obj,
 201                                                  GdkEvent       *event,
 202                                                  GtkTextIter    *iter,
 203                                                  TextView       *textview);
 204
 205 static void textview_uri_list_remove_all        (GSList         *uri_list);
 206
 207 static void textview_toggle_quote               (TextView       *textview,
 208                                                  GSList         *start_list,
 209                                                  ClickableText  *uri,
 210                                                  gboolean        expand_only);
 211
 212 static void open_uri_cb                         (GtkAction      *action,
 213                                                  TextView       *textview);
 214 static void copy_uri_cb                         (GtkAction      *action,
 215                                                  TextView       *textview);
 216 static void add_uri_to_addrbook_cb              (GtkAction      *action,
 217                                                  TextView       *textview);
 218 static void reply_to_uri_cb                     (GtkAction      *action,
 219                                                  TextView       *textview);
 220 static void mail_to_uri_cb                      (GtkAction      *action,
 221                                                  TextView       *textview);
 222 static void copy_mail_to_uri_cb                 (GtkAction      *action,
 223                                                  TextView       *textview);
 224 static void save_file_cb                        (GtkAction      *action,
 225                                                  TextView       *textview);
 226 static void open_image_cb                       (GtkAction      *action,
 227                                                  TextView       *textview);
 228 static void textview_show_tags(TextView *textview);
 229
 230 static GtkActionEntry textview_link_popup_entries[] =
 231 {
 232         {"TextviewPopupLink",                   NULL, "TextviewPopupLink" },
 233         {"TextviewPopupLink/Open",              NULL, N_("_Open in web browser"), NULL, NULL, G_CALLBACK(open_uri_cb) },
 234         {"TextviewPopupLink/Copy",              NULL, N_("Copy this _link"), NULL, NULL, G_CALLBACK(copy_uri_cb) },
 235 };
 236
 237 static GtkActionEntry textview_mail_popup_entries[] =
 238 {
 239         {"TextviewPopupMail",                   NULL, "TextviewPopupMail" },
 240         {"TextviewPopupMail/Compose",           NULL, N_("Compose _new message"), NULL, NULL, G_CALLBACK(mail_to_uri_cb) },
 241         {"TextviewPopupMail/ReplyTo",           NULL, N_("_Reply to this address"), NULL, NULL, G_CALLBACK(reply_to_uri_cb) },
 242         {"TextviewPopupMail/AddAB",             NULL, N_("Add to _Address book"), NULL, NULL, G_CALLBACK(add_uri_to_addrbook_cb) },
 243         {"TextviewPopupMail/Copy",              NULL, N_("Copy this add_ress"), NULL, NULL, G_CALLBACK(copy_mail_to_uri_cb) },
 244 };
 245
 246 static GtkActionEntry textview_file_popup_entries[] =
 247 {
 248         {"TextviewPopupFile",                   NULL, "TextviewPopupFile" },
 249         {"TextviewPopupFile/Open",              NULL, N_("_Open image"), NULL, NULL, G_CALLBACK(open_image_cb) },
 250         {"TextviewPopupFile/Save",              NULL, N_("_Save image..."), NULL, NULL, G_CALLBACK(save_file_cb) },
 251 };
 252
 253 static void scrolled_cb (GtkAdjustment *adj, TextView *textview)
 254 {
 255 #ifndef WIDTH
 256 #  define WIDTH 48
 257 #  define HEIGHT 48
 258 #endif
 259         if (textview->image) {
 260                 GtkAllocation allocation;
 261                 gint x, y, x1;
 262                 gtk_widget_get_allocation(textview->text, &allocation);
 263                 x1 = allocation.width - WIDTH - 5;
 264                 gtk_text_view_buffer_to_window_coords(
 265                         GTK_TEXT_VIEW(textview->text),
 266                         GTK_TEXT_WINDOW_TEXT, x1, 5, &x, &y);
 267                 gtk_text_view_move_child(GTK_TEXT_VIEW(textview->text),
 268                         textview->image, x1, y);
 269         }
 270 }
 271
 272 static void textview_size_allocate_cb   (GtkWidget      *widget,
 273                                          GtkAllocation  *allocation,
 274                                          gpointer        data)
 275 {
 276         scrolled_cb(NULL, (TextView *)data);
 277 }
 278
 279 TextView *textview_create(void)
 280 {
 281         TextView *textview;
 282         GtkWidget *vbox;
 283         GtkWidget *scrolledwin;
 284         GtkWidget *text;
 285         GtkTextBuffer *buffer;
 286         GtkClipboard *clipboard;
 287         GtkAdjustment *adj;
 288
 289         debug_print("Creating text view...\n");
 290         textview = g_new0(TextView, 1);
 291
 292         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 293         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 294                                        GTK_POLICY_AUTOMATIC,
 295                                        GTK_POLICY_AUTOMATIC);
 296         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 297                                             GTK_SHADOW_IN);
 298         gtk_widget_set_size_request
 299                 (scrolledwin, prefs_common.mainview_width, -1);
 300
 301         /* create GtkSText widgets for single-byte and multi-byte character */
 302         text = gtk_text_view_new();
 303         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 304         gtk_widget_show(text);
 305         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 306         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD_CHAR);
 307         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 308         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 309         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 310
 311         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 312         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 313         gtk_text_buffer_add_selection_clipboard(buffer, clipboard);
 314
 315         gtk_widget_ensure_style(text);
 316
 317         g_object_ref(scrolledwin);
 318
 319         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 320
 321         g_signal_connect(G_OBJECT(text), "key-press-event",
 322                          G_CALLBACK(textview_key_pressed), textview);
 323         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 324                          G_CALLBACK(textview_motion_notify), textview);
 325         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 326                          G_CALLBACK(textview_leave_notify), textview);
 327         g_signal_connect(G_OBJECT(text), "visibility-notify-event",
 328                          G_CALLBACK(textview_visibility_notify), textview);
 329         adj = gtk_scrolled_window_get_vadjustment(
 330                 GTK_SCROLLED_WINDOW(scrolledwin));
 331         g_signal_connect(G_OBJECT(adj), "value-changed",
 332                          G_CALLBACK(scrolled_cb), textview);
 333         g_signal_connect(G_OBJECT(text), "size_allocate",
 334                          G_CALLBACK(textview_size_allocate_cb),
 335                          textview);
 336
 337
 338         gtk_widget_show(scrolledwin);
 339
 340         vbox = gtk_vbox_new(FALSE, 0);
 341         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 342
 343         gtk_widget_show(vbox);
 344
 345
 346         textview->ui_manager = gtk_ui_manager_new();
 347         textview->link_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 348                         "TextviewPopupLink",
 349                         textview_link_popup_entries,
 350                         G_N_ELEMENTS(textview_link_popup_entries), (gpointer)textview);
 351         textview->mail_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 352                         "TextviewPopupMail",
 353                         textview_mail_popup_entries,
 354                         G_N_ELEMENTS(textview_mail_popup_entries), (gpointer)textview);
 355         textview->file_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 356                         "TextviewPopupFile",
 357                         textview_file_popup_entries,
 358                         G_N_ELEMENTS(textview_file_popup_entries), (gpointer)textview);
 359
 360         MENUITEM_ADDUI_MANAGER(textview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 361         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 362                         "/Menus", "TextviewPopupLink", "TextviewPopupLink", GTK_UI_MANAGER_MENU)
 363         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 364                         "/Menus", "TextviewPopupMail", "TextviewPopupMail", GTK_UI_MANAGER_MENU)
 365         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 366                         "/Menus", "TextviewPopupFile", "TextviewPopupFile", GTK_UI_MANAGER_MENU)
 367
 368         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 369                         "/Menus/TextviewPopupLink", "Open", "TextviewPopupLink/Open", GTK_UI_MANAGER_MENUITEM)
 370         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 371                         "/Menus/TextviewPopupLink", "Copy", "TextviewPopupLink/Copy", GTK_UI_MANAGER_MENUITEM)
 372         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 373                         "/Menus/TextviewPopupMail", "Compose", "TextviewPopupMail/Compose", GTK_UI_MANAGER_MENUITEM)
 374         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 375                         "/Menus/TextviewPopupMail", "ReplyTo", "TextviewPopupMail/ReplyTo", GTK_UI_MANAGER_MENUITEM)
 376         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 377                         "/Menus/TextviewPopupMail", "AddAB", "TextviewPopupMail/AddAB", GTK_UI_MANAGER_MENUITEM)
 378         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 379                         "/Menus/TextviewPopupMail", "Copy", "TextviewPopupMail/Copy", GTK_UI_MANAGER_MENUITEM)
 380         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 381                         "/Menus/TextviewPopupFile", "Open", "TextviewPopupFile/Open", GTK_UI_MANAGER_MENUITEM)
 382         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 383                         "/Menus/TextviewPopupFile", "Save", "TextviewPopupFile/Save", GTK_UI_MANAGER_MENUITEM)
 384
 385         textview->link_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 386                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupLink")) );
 387         textview->mail_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 388                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupMail")) );
 389         textview->file_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 390                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupFile")) );
 391
 392         textview->vbox               = vbox;
 393         textview->scrolledwin        = scrolledwin;
 394         textview->text               = text;
 395         textview->uri_list           = NULL;
 396         textview->body_pos           = 0;
 397         textview->last_buttonpress   = GDK_NOTHING;
 398         textview->image              = NULL;
 399         return textview;
 400 }
 401
 402 static void textview_create_tags(GtkTextView *text, TextView *textview)
 403 {
 404         GtkTextBuffer *buffer;
 405         GtkTextTag *tag, *qtag;
 406 #if !GTK_CHECK_VERSION(3, 0, 0)
 407         static GdkColor yellow, black;
 408         static gboolean color_init = FALSE;
 409 #else
 410         static GdkColor yellow = { (guint32)0, (guint16)0xf5, (guint16)0xf6, (guint16)0xbe };
 411         static GdkColor black = { (guint32)0, (guint16)0x0, (guint16)0x0, (guint16)0x0 };
 412 #endif
 413         static PangoFontDescription *font_desc, *bold_font_desc;
 414
 415 #if !GTK_CHECK_VERSION(3, 0, 0)
 416         if (!color_init) {
 417                 gdk_color_parse("#f5f6be", &yellow);
 418                 gdk_color_parse("#000000", &black);
 419                 color_init = gdk_colormap_alloc_color(
 420                         gdk_colormap_get_system(), &yellow, FALSE, TRUE);
 421                 color_init &= gdk_colormap_alloc_color(
 422                         gdk_colormap_get_system(), &black, FALSE, TRUE);
 423         }
 424 #endif
 425
 426         if (!font_desc)
 427                 font_desc = pango_font_description_from_string
 428                         (NORMAL_FONT);
 429
 430         if (!bold_font_desc) {
 431                 if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
 432                         bold_font_desc = pango_font_description_from_string
 433                                 (NORMAL_FONT);
 434                         pango_font_description_set_weight
 435                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
 436                 } else {
 437                         bold_font_desc = pango_font_description_from_string
 438                                 (BOLD_FONT);
 439                 }
 440         }
 441
 442         buffer = gtk_text_view_get_buffer(text);
 443
 444         gtk_text_buffer_create_tag(buffer, "header",
 445                                    "pixels-above-lines", 0,
 446                                    "pixels-above-lines-set", TRUE,
 447                                    "pixels-below-lines", 0,
 448                                    "pixels-below-lines-set", TRUE,
 449                                    "font-desc", font_desc,
 450                                    "left-margin", 3,
 451                                    "left-margin-set", TRUE,
 452                                    NULL);
 453         gtk_text_buffer_create_tag(buffer, "header_title",
 454                                    "font-desc", bold_font_desc,
 455                                    NULL);
 456         tag = gtk_text_buffer_create_tag(buffer, "hlink",
 457                                    "pixels-above-lines", 0,
 458                                    "pixels-above-lines-set", TRUE,
 459                                    "pixels-below-lines", 0,
 460                                    "pixels-below-lines-set", TRUE,
 461                                    "font-desc", font_desc,
 462                                    "left-margin", 3,
 463                                    "left-margin-set", TRUE,
 464                                    "foreground-gdk", &uri_color,
 465                                    NULL);
 466         g_signal_connect(G_OBJECT(tag), "event",
 467                          G_CALLBACK(textview_uri_button_pressed), textview);
 468         if (prefs_common.enable_bgcolor) {
 469                 gtk_text_buffer_create_tag(buffer, "quote0",
 470                                 "foreground-gdk", &quote_colors[0],
 471                                 "paragraph-background-gdk", &quote_bgcolors[0],
 472                                 NULL);
 473                 gtk_text_buffer_create_tag(buffer, "quote1",
 474                                 "foreground-gdk", &quote_colors[1],
 475                                 "paragraph-background-gdk", &quote_bgcolors[1],
 476                                 NULL);
 477                 gtk_text_buffer_create_tag(buffer, "quote2",
 478                                 "foreground-gdk", &quote_colors[2],
 479                                 "paragraph-background-gdk", &quote_bgcolors[2],
 480                                 NULL);
 481         } else {
 482                 gtk_text_buffer_create_tag(buffer, "quote0",
 483                                 "foreground-gdk", &quote_colors[0],
 484                                 NULL);
 485                 gtk_text_buffer_create_tag(buffer, "quote1",
 486                                 "foreground-gdk", &quote_colors[1],
 487                                 NULL);
 488                 gtk_text_buffer_create_tag(buffer, "quote2",
 489                                 "foreground-gdk", &quote_colors[2],
 490                                 NULL);
 491         }
 492         gtk_text_buffer_create_tag(buffer, "tags",
 493                         "foreground-gdk", &black,
 494                         "paragraph-background-gdk", &yellow,
 495                         NULL);
 496         gtk_text_buffer_create_tag(buffer, "emphasis",
 497                         "foreground-gdk", &emphasis_color,
 498                         NULL);
 499         gtk_text_buffer_create_tag(buffer, "signature",
 500                         "foreground-gdk", &signature_color,
 501                         NULL);
 502         tag = gtk_text_buffer_create_tag(buffer, "link",
 503                         "foreground-gdk", &uri_color,
 504                         NULL);
 505         qtag = gtk_text_buffer_create_tag(buffer, "qlink",
 506                         NULL);
 507         gtk_text_buffer_create_tag(buffer, "link-hover",
 508                         "underline", PANGO_UNDERLINE_SINGLE,
 509                         NULL);
 510         gtk_text_buffer_create_tag(buffer, "diff-add",
 511                         "foreground-gdk", &diff_added_color,
 512                         NULL);
 513         gtk_text_buffer_create_tag(buffer, "diff-del",
 514                         "foreground-gdk", &diff_deleted_color,
 515                         NULL);
 516         gtk_text_buffer_create_tag(buffer, "diff-add-file",
 517                         "foreground-gdk", &diff_added_color,
 518                         "weight", PANGO_WEIGHT_BOLD,
 519                         NULL);
 520         gtk_text_buffer_create_tag(buffer, "diff-del-file",
 521                         "foreground-gdk", &diff_deleted_color,
 522                         "weight", PANGO_WEIGHT_BOLD,
 523                         NULL);
 524         gtk_text_buffer_create_tag(buffer, "diff-hunk",
 525                         "foreground-gdk", &diff_hunk_color,
 526                         "weight", PANGO_WEIGHT_BOLD,
 527                         NULL);
 528         g_signal_connect(G_OBJECT(qtag), "event",
 529                          G_CALLBACK(textview_uri_button_pressed), textview);
 530         g_signal_connect(G_OBJECT(tag), "event",
 531                          G_CALLBACK(textview_uri_button_pressed), textview);
 532 /*      if (font_desc)
 533                 pango_font_description_free(font_desc);
 534         if (bold_font_desc)
 535                 pango_font_description_free(bold_font_desc);*/
 536  }
 537
 538 void textview_init(TextView *textview)
 539 {
 540         if (!hand_cursor)
 541                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 542         if (!text_cursor)
 543                 text_cursor = gdk_cursor_new(GDK_XTERM);
 544         if (!watch_cursor)
 545                 watch_cursor = gdk_cursor_new(GDK_WATCH);
 546
 547         textview_reflect_prefs(textview);
 548         textview_set_font(textview, NULL);
 549         textview_create_tags(GTK_TEXT_VIEW(textview->text), textview);
 550 }
 551
 552  #define CHANGE_TAG_COLOR(tagname, colorfg, colorbg) { \
 553         tag = gtk_text_tag_table_lookup(tags, tagname); \
 554         if (tag) \
 555                 g_object_set(G_OBJECT(tag), "foreground-gdk", colorfg, "paragraph-background-gdk", colorbg, NULL); \
 556  }
 557
 558 static void textview_update_message_colors(TextView *textview)
 559 {
 560         GdkColor black = {0, 0, 0, 0};
 561         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
 562
 563         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
 564         GtkTextTag *tag = NULL;
 565
 566         quote_bgcolors[0] = quote_bgcolors[1] = quote_bgcolors[2] = black;
 567         quote_colors[0] = quote_colors[1] = quote_colors[2] = black;
 568         uri_color = emphasis_color = signature_color = diff_added_color =
 569                 diff_deleted_color = diff_hunk_color = black;
 570
 571         if (prefs_common.enable_color) {
 572                 /* grab the quote colors, converting from an int to a GdkColor */
 573                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
 574                                                &quote_colors[0]);
 575                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
 576                                                &quote_colors[1]);
 577                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
 578                                                &quote_colors[2]);
 579                 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
 580                                                &uri_color);
 581                 gtkut_convert_int_to_gdk_color(prefs_common.signature_col,
 582                                                &signature_color);
 583                 gtkut_convert_int_to_gdk_color(prefs_common.emphasis_col,
 584                                                &emphasis_color);
 585                 gtkut_convert_int_to_gdk_color(prefs_common.diff_added_color,
 586                                                &diff_added_color);
 587                 gtkut_convert_int_to_gdk_color(prefs_common.diff_deleted_color,
 588                                                &diff_deleted_color);
 589                 gtkut_convert_int_to_gdk_color(prefs_common.diff_hunk_color,
 590                                                &diff_hunk_color);
 591         }
 592         if (prefs_common.enable_color && prefs_common.enable_bgcolor) {
 593                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_bgcol,
 594                                                    &quote_bgcolors[0]);
 595                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_bgcol,
 596                                                    &quote_bgcolors[1]);
 597                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_bgcol,
 598                                                    &quote_bgcolors[2]);
 599                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], &quote_bgcolors[0]);
 600                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], &quote_bgcolors[1]);
 601                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], &quote_bgcolors[2]);
 602         } else {
 603                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], NULL);
 604                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], NULL);
 605                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], NULL);
 606         }
 607
 608         CHANGE_TAG_COLOR("emphasis", &emphasis_color, NULL);
 609         CHANGE_TAG_COLOR("signature", &signature_color, NULL);
 610         CHANGE_TAG_COLOR("link", &uri_color, NULL);
 611         CHANGE_TAG_COLOR("link-hover", &uri_color, NULL);
 612         CHANGE_TAG_COLOR("diff-add", &diff_added_color, NULL);
 613         CHANGE_TAG_COLOR("diff-del", &diff_deleted_color, NULL);
 614         CHANGE_TAG_COLOR("diff-add-file", &diff_added_color, NULL);
 615         CHANGE_TAG_COLOR("diff-del-file", &diff_deleted_color, NULL);
 616         CHANGE_TAG_COLOR("diff-hunk", &diff_hunk_color, NULL);
 617 }
 618 #undef CHANGE_TAG_COLOR
 619
 620 void textview_reflect_prefs(TextView *textview)
 621 {
 622         textview_set_font(textview, NULL);
 623         textview_update_message_colors(textview);
 624         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textview->text),
 625                                          prefs_common.textview_cursor_visible);
 626 }
 627
 628 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
 629 {
 630         START_TIMING("");
 631         cm_return_if_fail(mimeinfo != NULL);
 632         cm_return_if_fail(fp != NULL);
 633
 634         if ((mimeinfo->type == MIMETYPE_MULTIPART) ||
 635             ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822"))) {
 636                 textview->loading = TRUE;
 637                 textview->stop_loading = FALSE;
 638
 639                 textview_clear(textview);
 640                 textview_add_parts(textview, mimeinfo);
 641
 642                 textview->loading = FALSE;
 643                 textview->stop_loading = FALSE;
 644                 END_TIMING();
 645                 return;
 646         }
 647         textview->loading = TRUE;
 648         textview->stop_loading = FALSE;
 649
 650         if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0)
 651                 perror("fseek");
 652
 653         textview_clear(textview);
 654
 655         if (mimeinfo->type == MIMETYPE_MULTIPART)
 656                 textview_add_parts(textview, mimeinfo);
 657         else
 658                 textview_write_body(textview, mimeinfo);
 659
 660         textview->loading = FALSE;
 661         textview->stop_loading = FALSE;
 662         END_TIMING();
 663 }
 664
 665 static void textview_add_part(TextView *textview, MimeInfo *mimeinfo)
 666 {
 667         GtkAllocation allocation;
 668         GtkTextView *text;
 669         GtkTextBuffer *buffer;
 670         GtkTextIter iter, start_iter;
 671         gchar buf[BUFFSIZE];
 672         GPtrArray *headers = NULL;
 673         const gchar *name;
 674         gchar *content_type;
 675         gint charcount;
 676         START_TIMING("");
 677
 678         cm_return_if_fail(mimeinfo != NULL);
 679         text = GTK_TEXT_VIEW(textview->text);
 680         buffer = gtk_text_view_get_buffer(text);
 681         charcount = gtk_text_buffer_get_char_count(buffer);
 682         gtk_text_buffer_get_end_iter(buffer, &iter);
 683
 684         if (textview->stop_loading) {
 685                 return;
 686         }
 687         if (mimeinfo->type == MIMETYPE_MULTIPART) {
 688                 END_TIMING();
 689                 return;
 690         }
 691
 692         textview->prev_quote_level = -1;
 693
 694         if ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822")) {
 695                 FILE *fp;
 696                 if (mimeinfo->content == MIMECONTENT_MEM)
 697                         fp = str_open_as_stream(mimeinfo->data.mem);
 698                 else
 699                         fp = g_fopen(mimeinfo->data.filename, "rb");
 700                 if (!fp) {
 701                         FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
 702                         END_TIMING();
 703                         return;
 704                 }
 705                 fseek(fp, mimeinfo->offset, SEEK_SET);
 706                 headers = textview_scan_header(textview, fp);
 707                 if (headers) {
 708                         if (charcount > 0)
 709                                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 710
 711                         if (procmime_mimeinfo_parent(mimeinfo) == NULL)
 712                                 textview_show_tags(textview);
 713                         textview_show_header(textview, headers);
 714                         procheader_header_array_destroy(headers);
 715                 }
 716                 fclose(fp);
 717                 END_TIMING();
 718                 return;
 719         }
 720
 721         name = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
 722         content_type = procmime_get_content_type_str(mimeinfo->type,
 723                                                      mimeinfo->subtype);
 724         if (name == NULL)
 725                 name = procmime_mimeinfo_get_parameter(mimeinfo, "name");
 726         if (name != NULL)
 727                 g_snprintf(buf, sizeof(buf), _("[%s  %s (%d bytes)]"),
 728                            name, content_type, mimeinfo->length);
 729         else
 730                 g_snprintf(buf, sizeof(buf), _("[%s (%d bytes)]"),
 731                            content_type, mimeinfo->length);
 732
 733         g_free(content_type);
 734
 735         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
 736         || (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
 737             mimeinfo->type != MIMETYPE_TEXT)) {
 738                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 739                 TEXTVIEW_INSERT_LINK(buf, "sc://select_attachment", mimeinfo);
 740                 gtk_text_buffer_insert(buffer, &iter, " \n", -1);
 741                 if (mimeinfo->type == MIMETYPE_IMAGE  &&
 742                     prefs_common.inline_img ) {
 743                         GdkPixbuf *pixbuf;
 744                         GError *error = NULL;
 745                         gchar *filename;
 746                         ClickableText *uri;
 747                         gchar *uri_str;
 748                         gint err;
 749                         START_TIMING("inserting image");
 750
 751                         filename = procmime_get_tmp_file_name(mimeinfo);
 752
 753                         if ((err = procmime_get_part(filename, mimeinfo)) < 0) {
 754                                 g_warning("Can't get the image file.(%s)", strerror(-err));
 755                                 g_free(filename);
 756                                 END_TIMING();
 757                                 return;
 758                         }
 759
 760                         pixbuf = gdk_pixbuf_new_from_file(filename, &error);
 761                         if (textview->stop_loading) {
 762                                 return;
 763                         }
 764                         if (error != NULL) {
 765                                 g_warning("%s\n", error->message);
 766                                 g_error_free(error);
 767                         }
 768                         if (!pixbuf) {
 769                                 g_warning("Can't load the image.");
 770                                 g_free(filename);
 771                                 END_TIMING();
 772                                 return;
 773                         }
 774
 775                         gtk_widget_get_allocation(textview->scrolledwin, &allocation);
 776                         pixbuf = claws_load_pixbuf_fitting(pixbuf,
 777                                         allocation.width,
 778                                         allocation.height);
 779
 780                         if (textview->stop_loading) {
 781                                 return;
 782                         }
 783
 784                         uri_str = g_filename_to_uri(filename, NULL, NULL);
 785                         if (uri_str) {
 786                                 uri = g_new0(ClickableText, 1);
 787                                 uri->uri = uri_str;
 788                                 uri->start = gtk_text_iter_get_offset(&iter);
 789
 790                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 791                                 if (textview->stop_loading) {
 792                                         g_free(uri);
 793                                         return;
 794                                 }
 795                                 uri->end = uri->start + 1;
 796                                 uri->filename = procmime_get_part_file_name(mimeinfo);
 797                                 textview->uri_list =
 798                                         g_slist_prepend(textview->uri_list, uri);
 799
 800                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 801                                 gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, uri->start);
 802                                 gtk_text_buffer_apply_tag_by_name(buffer, "link",
 803                                                 &start_iter, &iter);
 804                         } else {
 805                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 806                                 if (textview->stop_loading) {
 807                                         return;
 808                                 }
 809                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 810                         }
 811
 812                         g_object_unref(pixbuf);
 813                         g_free(filename);
 814                         END_TIMING();
 815                         GTK_EVENTS_FLUSH();
 816                 }
 817         } else if (mimeinfo->type == MIMETYPE_TEXT) {
 818                 if (prefs_common.display_header && (charcount > 0))
 819                         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 820
 821                 textview_write_body(textview, mimeinfo);
 822         }
 823         END_TIMING();
 824 }
 825
 826 static void recursive_add_parts(TextView *textview, GNode *node)
 827 {
 828         GNode * iter;
 829         MimeInfo *mimeinfo;
 830         START_TIMING("");
 831
 832         mimeinfo = (MimeInfo *) node->data;
 833
 834         textview_add_part(textview, mimeinfo);
 835 #ifdef GENERIC_UMPC
 836         textview_set_position(textview, 0);
 837 #endif
 838         if ((mimeinfo->type != MIMETYPE_MULTIPART) &&
 839             (mimeinfo->type != MIMETYPE_MESSAGE)) {
 840                 END_TIMING();
 841                 return;
 842         }
 843         if (g_ascii_strcasecmp(mimeinfo->subtype, "alternative") == 0) {
 844                 GNode * prefered_body;
 845                 int prefered_score;
 846
 847                 /*
 848                   text/plain : score 3
 849                   text/ *    : score 2
 850                   other      : score 1
 851                 */
 852                 prefered_body = NULL;
 853                 prefered_score = 0;
 854
 855                 for (iter = g_node_first_child(node) ; iter != NULL ;
 856                      iter = g_node_next_sibling(iter)) {
 857                         int score;
 858                         MimeInfo * submime;
 859
 860                         score = 1;
 861                         submime = (MimeInfo *) iter->data;
 862                         if (submime->type == MIMETYPE_TEXT)
 863                                 score = 2;
 864
 865                         if (submime->subtype != NULL) {
 866                                 if (g_ascii_strcasecmp(submime->subtype, "plain") == 0)
 867                                         score = 3;
 868                         }
 869
 870                         if (score > prefered_score) {
 871                                 prefered_score = score;
 872                                 prefered_body = iter;
 873                         }
 874                 }
 875
 876                 if (prefered_body != NULL) {
 877                         recursive_add_parts(textview, prefered_body);
 878                 }
 879         }
 880         else {
 881                 for (iter = g_node_first_child(node) ; iter != NULL ;
 882                      iter = g_node_next_sibling(iter)) {
 883                         recursive_add_parts(textview, iter);
 884                 }
 885         }
 886         END_TIMING();
 887 }
 888
 889 static void textview_add_parts(TextView *textview, MimeInfo *mimeinfo)
 890 {
 891         cm_return_if_fail(mimeinfo != NULL);
 892
 893         recursive_add_parts(textview, mimeinfo->node);
 894 }
 895
 896 void textview_show_error(TextView *textview)
 897 {
 898         GtkTextView *text;
 899         GtkTextBuffer *buffer;
 900         GtkTextIter iter;
 901
 902         textview_set_font(textview, NULL);
 903         textview_clear(textview);
 904
 905         text = GTK_TEXT_VIEW(textview->text);
 906         buffer = gtk_text_view_get_buffer(text);
 907         gtk_text_buffer_get_start_iter(buffer, &iter);
 908
 909         TEXTVIEW_INSERT(_("\n"
 910                       "  This message can't be displayed.\n"
 911                       "  This is probably due to a network error.\n"
 912                       "\n"
 913                       "  Use "));
 914         TEXTVIEW_INSERT_LINK(_("'Network Log'"), "sc://view_log", NULL);
 915         TEXTVIEW_INSERT(_(" in the Tools menu for more information."));
 916         textview_show_icon(textview, GTK_STOCK_DIALOG_ERROR);
 917 }
 918
 919 void textview_show_info(TextView *textview, const gchar *info_str)
 920 {
 921         GtkTextView *text;
 922         GtkTextBuffer *buffer;
 923         GtkTextIter iter;
 924
 925         textview_set_font(textview, NULL);
 926         textview_clear(textview);
 927
 928         text = GTK_TEXT_VIEW(textview->text);
 929         buffer = gtk_text_view_get_buffer(text);
 930         gtk_text_buffer_get_start_iter(buffer, &iter);
 931
 932         TEXTVIEW_INSERT(info_str);
 933         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
 934         textview_cursor_normal(textview);
 935 }
 936
 937 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
 938 {
 939         GtkTextView *text;
 940         GtkTextBuffer *buffer;
 941         GtkTextIter iter;
 942         const gchar *name;
 943         gchar *content_type, *shortcut;
 944         GtkUIManager *ui_manager;
 945
 946         if (!partinfo) return;
 947
 948         if (textview->messageview->window != NULL)
 949                 ui_manager = textview->messageview->ui_manager;
 950         else
 951                 ui_manager = textview->messageview->mainwin->ui_manager;
 952
 953         textview_set_font(textview, NULL);
 954         textview_clear(textview);
 955
 956         text = GTK_TEXT_VIEW(textview->text);
 957         buffer = gtk_text_view_get_buffer(text);
 958         gtk_text_buffer_get_start_iter(buffer, &iter);
 959
 960         TEXTVIEW_INSERT("\n");
 961
 962         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 963         if (name == NULL)
 964                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 965         if (name != NULL) {
 966                 content_type = procmime_get_content_type_str(partinfo->type,
 967                                                      partinfo->subtype);
 968                 TEXTVIEW_INSERT("  ");
 969                 TEXTVIEW_INSERT_BOLD(name);
 970                 TEXTVIEW_INSERT(" (");
 971                 TEXTVIEW_INSERT(content_type);
 972                 TEXTVIEW_INSERT(", ");
 973                 TEXTVIEW_INSERT(to_human_readable((goffset)partinfo->length));
 974                 TEXTVIEW_INSERT("):\n\n");
 975
 976                 g_free(content_type);
 977         }
 978         TEXTVIEW_INSERT(_("  The following can be performed on this part\n"));
 979 #ifndef GENERIC_UMPC
 980         TEXTVIEW_INSERT(_("  by right-clicking the icon or list item:"));
 981 #endif
 982         TEXTVIEW_INSERT("\n");
 983
 984         TEXTVIEW_INSERT(_("     - To save, select "));
 985         TEXTVIEW_INSERT_LINK(_("'Save as...'"), "sc://save_as", NULL);
 986 #ifndef GENERIC_UMPC
 987         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
 988         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/File/SavePartAs");
 989         TEXTVIEW_INSERT(shortcut);
 990         g_free(shortcut);
 991         TEXTVIEW_INSERT("')");
 992 #endif
 993         TEXTVIEW_INSERT("\n");
 994
 995         TEXTVIEW_INSERT(_("     - To display as text, select "));
 996         TEXTVIEW_INSERT_LINK(_("'Display as text'"), "sc://display_as_text", NULL);
 997
 998 #ifndef GENERIC_UMPC
 999         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
1000         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/AsText");
1001         TEXTVIEW_INSERT(shortcut);
1002         g_free(shortcut);
1003         TEXTVIEW_INSERT("')");
1004 #endif
1005         TEXTVIEW_INSERT("\n");
1006
1007         TEXTVIEW_INSERT(_("     - To open with an external program, select "));
1008         TEXTVIEW_INSERT_LINK(_("'Open'"), "sc://open", NULL);
1009
1010 #ifndef GENERIC_UMPC
1011         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
1012         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/Open");
1013         TEXTVIEW_INSERT(shortcut);
1014         g_free(shortcut);
1015         TEXTVIEW_INSERT("')\n");
1016         TEXTVIEW_INSERT(_("       (alternately double-click, or click the middle "));
1017         TEXTVIEW_INSERT(_("mouse button)\n"));
1018 #ifndef G_OS_WIN32
1019         TEXTVIEW_INSERT(_("     - Or use "));
1020         TEXTVIEW_INSERT_LINK(_("'Open with...'"), "sc://open_with", NULL);
1021         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
1022         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/OpenWith");
1023         TEXTVIEW_INSERT(shortcut);
1024         g_free(shortcut);
1025         TEXTVIEW_INSERT("')");
1026 #endif
1027 #endif
1028         TEXTVIEW_INSERT("\n");
1029
1030         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
1031 }
1032
1033 static void textview_write_body(TextView *textview, MimeInfo *mimeinfo)
1034 {
1035         FILE *tmpfp;
1036         gchar buf[BUFFSIZE];
1037         CodeConverter *conv;
1038         const gchar *charset, *p, *cmd;
1039         GSList *cur;
1040         gboolean continue_write = TRUE;
1041         size_t wrote = 0, i = 0;
1042
1043         if (textview->messageview->forced_charset)
1044                 charset = textview->messageview->forced_charset;
1045         else {
1046                 /* use supersets transparently when possible */
1047                 charset = procmime_mimeinfo_get_parameter(mimeinfo, "charset");
1048                 if (charset && !strcasecmp(charset, CS_ISO_8859_1))
1049                         charset = CS_WINDOWS_1252;
1050                 else if (charset && !strcasecmp(charset, CS_X_GBK))
1051                         charset = CS_GB18030;
1052                 else if (charset && !strcasecmp(charset, CS_GBK))
1053                         charset = CS_GB18030;
1054                 else if (charset && !strcasecmp(charset, CS_GB2312))
1055                         charset = CS_GB18030;
1056         }
1057
1058         textview_set_font(textview, charset);
1059
1060         conv = conv_code_converter_new(charset);
1061
1062         procmime_force_encoding(textview->messageview->forced_encoding);
1063
1064         textview->is_in_signature = FALSE;
1065         textview->is_diff = FALSE;
1066
1067         procmime_decode_content(mimeinfo);
1068
1069         if (!g_ascii_strcasecmp(mimeinfo->subtype, "html") &&
1070             prefs_common.render_html) {
1071                 gchar *filename;
1072
1073                 filename = procmime_get_tmp_file_name(mimeinfo);
1074                 if (procmime_get_part(filename, mimeinfo) == 0) {
1075                         tmpfp = g_fopen(filename, "rb");
1076                         textview_show_html(textview, tmpfp, conv);
1077                         fclose(tmpfp);
1078                         claws_unlink(filename);
1079                 }
1080                 g_free(filename);
1081         } else if (!g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
1082                 gchar *filename;
1083
1084                 filename = procmime_get_tmp_file_name(mimeinfo);
1085                 if (procmime_get_part(filename, mimeinfo) == 0) {
1086                         tmpfp = g_fopen(filename, "rb");
1087                         textview_show_ertf(textview, tmpfp, conv);
1088                         fclose(tmpfp);
1089                         claws_unlink(filename);
1090                 }
1091                 g_free(filename);
1092 #ifndef G_OS_WIN32
1093         } else if ( g_ascii_strcasecmp(mimeinfo->subtype, "plain") &&
1094                    (cmd = prefs_common.mime_textviewer) && *cmd &&
1095                    (p = strchr(cmd, '%')) && *(p + 1) == 's') {
1096                 int pid, pfd[2];
1097                 const gchar *fname;
1098
1099                 fname  = procmime_get_tmp_file_name(mimeinfo);
1100                 if (procmime_get_part(fname, mimeinfo)) goto textview_default;
1101
1102                 g_snprintf(buf, sizeof(buf), cmd, fname);
1103                 debug_print("Viewing text content of type: %s (length: %d) "
1104                         "using %s\n", mimeinfo->subtype, mimeinfo->length, buf);
1105
1106                 if (pipe(pfd) < 0) {
1107                         g_snprintf(buf, sizeof(buf),
1108                                 "pipe failed for textview\n\n%s\n", strerror(errno));
1109                         textview_write_line(textview, buf, conv, TRUE);
1110                         goto textview_default;
1111                 }
1112                 pid = fork();
1113                 if (pid < 0) {
1114                         g_snprintf(buf, sizeof(buf),
1115                                 "fork failed for textview\n\n%s\n", strerror(errno));
1116                         textview_write_line(textview, buf, conv, TRUE);
1117                         close(pfd[0]);
1118                         close(pfd[1]);
1119                         goto textview_default;
1120                 }
1121                 if (pid == 0) { /* child */
1122                         int rc;
1123                         gchar **argv;
1124                         argv = strsplit_with_quote(buf, " ", 0);
1125                         close(1);
1126                         close(pfd[0]);
1127                         rc = dup(pfd[1]);
1128                         rc = execvp(argv[0], argv);
1129                         close(pfd[1]);
1130                         g_print(_("The command to view attachment "
1131                                 "as text failed:\n"
1132                                 "    %s\n"
1133                                 "Exit code %d\n"), buf, rc);
1134                         exit(255);
1135                 }
1136                 close(pfd[1]);
1137                 tmpfp = fdopen(pfd[0], "rb");
1138                 while (fgets(buf, sizeof(buf), tmpfp)) {
1139                         textview_write_line(textview, buf, conv, TRUE);
1140
1141                         if (textview->stop_loading) {
1142                                 fclose(tmpfp);
1143                                 waitpid(pid, pfd, 0);
1144                                 g_unlink(fname);
1145                                 return;
1146                         }
1147                 }
1148
1149                 fclose(tmpfp);
1150                 waitpid(pid, pfd, 0);
1151                 g_unlink(fname);
1152 #endif
1153         } else {
1154 textview_default:
1155                 if (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
1156                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff"))
1157                         textview->is_diff = TRUE;
1158
1159                 if (mimeinfo->content == MIMECONTENT_MEM)
1160                         tmpfp = str_open_as_stream(mimeinfo->data.mem);
1161                 else
1162                         tmpfp = g_fopen(mimeinfo->data.filename, "rb");
1163                 if (!tmpfp) {
1164                         FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1165                         return;
1166                 }
1167                 fseek(tmpfp, mimeinfo->offset, SEEK_SET);
1168                 debug_print("Viewing text content of type: %s (length: %d)\n", mimeinfo->subtype, mimeinfo->length);
1169                 while (((i = ftell(tmpfp)) < mimeinfo->offset + mimeinfo->length) &&
1170                        (fgets(buf, sizeof(buf), tmpfp) != NULL)
1171                        && continue_write) {
1172                         textview_write_line(textview, buf, conv, TRUE);
1173                         if (textview->stop_loading) {
1174                                 fclose(tmpfp);
1175                                 return;
1176                         }
1177                         wrote += ftell(tmpfp)-i;
1178                         if (mimeinfo->length > 1024*1024
1179                         &&  wrote > 1024*1024
1180                         && !textview->messageview->show_full_text) {
1181                                 continue_write = FALSE;
1182                         }
1183                 }
1184                 fclose(tmpfp);
1185         }
1186
1187         conv_code_converter_destroy(conv);
1188         procmime_force_encoding(0);
1189
1190         textview->uri_list = g_slist_reverse(textview->uri_list);
1191         for (cur = textview->uri_list; cur; cur = cur->next) {
1192                 ClickableText *uri = (ClickableText *)cur->data;
1193                 if (!uri->is_quote)
1194                         continue;
1195                 if (!prefs_common.hide_quotes ||
1196                     uri->quote_level+1 < prefs_common.hide_quotes) {
1197                         textview_toggle_quote(textview, cur, uri, TRUE);
1198                         if (textview->stop_loading) {
1199                                 return;
1200                         }
1201                 }
1202         }
1203
1204         if (continue_write == FALSE) {
1205                 messageview_show_partial_display(
1206                         textview->messageview,
1207                         textview->messageview->msginfo,
1208                         mimeinfo->length);
1209         }
1210         GTK_EVENTS_FLUSH();
1211 }
1212
1213 static void textview_show_html(TextView *textview, FILE *fp,
1214                                CodeConverter *conv)
1215 {
1216         SC_HTMLParser *parser;
1217         gchar *str;
1218         gint lines = 0;
1219
1220         parser = sc_html_parser_new(fp, conv);
1221         cm_return_if_fail(parser != NULL);
1222
1223         while ((str = sc_html_parse(parser)) != NULL) {
1224                 if (parser->state == SC_HTML_HREF) {
1225                         /* first time : get and copy the URL */
1226                         if (parser->href == NULL) {
1227                                 /* ALF - the claws html parser returns an empty string,
1228                                  * if still inside an <a>, but already parsed past HREF */
1229                                 str = strtok(str, " ");
1230                                 if (str) {
1231                                         while (str && *str && g_ascii_isspace(*str))
1232                                                 str++;
1233                                         parser->href = g_strdup(str);
1234                                         /* the URL may (or not) be followed by the
1235                                          * referenced text */
1236                                         str = strtok(NULL, "");
1237                                 }
1238                         }
1239                         if (str != NULL)
1240                                 textview_write_link(textview, str, parser->href, NULL);
1241                 } else
1242                         textview_write_line(textview, str, NULL, FALSE);
1243                 lines++;
1244                 if (lines % 500 == 0)
1245                         GTK_EVENTS_FLUSH();
1246                 if (textview->stop_loading) {
1247                         return;
1248                 }
1249         }
1250         textview_write_line(textview, "\n", NULL, FALSE);
1251         sc_html_parser_destroy(parser);
1252 }
1253
1254 static void textview_show_ertf(TextView *textview, FILE *fp,
1255                                CodeConverter *conv)
1256 {
1257         ERTFParser *parser;
1258         gchar *str;
1259         gint lines = 0;
1260
1261         parser = ertf_parser_new(fp, conv);
1262         cm_return_if_fail(parser != NULL);
1263
1264         while ((str = ertf_parse(parser)) != NULL) {
1265                 textview_write_line(textview, str, NULL, FALSE);
1266                 lines++;
1267                 if (lines % 500 == 0)
1268                         GTK_EVENTS_FLUSH();
1269                 if (textview->stop_loading) {
1270                         return;
1271                 }
1272         }
1273
1274         ertf_parser_destroy(parser);
1275 }
1276
1277 #define ADD_TXT_POS(bp_, ep_, pti_) \
1278         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1279                 last = last->next; \
1280                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1281                 last->next = NULL; \
1282         } else { \
1283                 g_warning("alloc error scanning URIs\n"); \
1284                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, \
1285                                                          linebuf, -1, \
1286                                                          fg_tag, NULL); \
1287                 return; \
1288         }
1289
1290 #define ADD_TXT_POS_LATER(bp_, ep_, pti_) \
1291         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1292                 last = last->next; \
1293                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1294                 last->next = NULL; \
1295         } else { \
1296                 g_warning("alloc error scanning URIs\n"); \
1297         }
1298
1299 /* textview_make_clickable_parts() - colorizes clickable parts */
1300 static void textview_make_clickable_parts(TextView *textview,
1301                                           const gchar *fg_tag,
1302                                           const gchar *uri_tag,
1303                                           const gchar *linebuf,
1304                                           gboolean hdr)
1305 {
1306         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1307         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1308         GtkTextIter iter;
1309         gchar *mybuf = g_strdup(linebuf);
1310
1311         /* parse table - in order of priority */
1312         struct table {
1313                 const gchar *needle; /* token */
1314
1315                 /* token search function */
1316                 gchar    *(*search)     (const gchar *haystack,
1317                                          const gchar *needle);
1318                 /* part parsing function */
1319                 gboolean  (*parse)      (const gchar *start,
1320                                          const gchar *scanpos,
1321                                          const gchar **bp_,
1322                                          const gchar **ep_,
1323                                          gboolean hdr);
1324                 /* part to URI function */
1325                 gchar    *(*build_uri)  (const gchar *bp,
1326                                          const gchar *ep);
1327         };
1328
1329         static struct table parser[] = {
1330                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1331                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1332                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1333                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1334                 {"gopher://",strcasestr, get_uri_part,   make_uri_string},
1335                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1336                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1337                 {"@",        strcasestr, get_email_part, make_email_string}
1338         };
1339         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1340
1341         gint  n;
1342         const gchar *walk, *bp, *ep;
1343
1344         struct txtpos {
1345                 const gchar     *bp, *ep;       /* text position */
1346                 gint             pti;           /* index in parse table */
1347                 struct txtpos   *next;          /* next */
1348         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1349
1350         if (!g_utf8_validate(linebuf, -1, NULL)) {
1351                 g_free(mybuf);
1352                 mybuf = g_malloc(strlen(linebuf)*2 +1);
1353                 conv_localetodisp(mybuf, strlen(linebuf)*2 +1, linebuf);
1354         }
1355
1356         gtk_text_buffer_get_end_iter(buffer, &iter);
1357
1358         /* parse for clickable parts, and build a list of begin and end positions  */
1359         for (walk = mybuf;;) {
1360                 gint last_index = PARSE_ELEMS;
1361                 gchar *scanpos = NULL;
1362
1363                 /* FIXME: this looks phony. scanning for anything in the parse table */
1364                 for (n = 0; n < PARSE_ELEMS; n++) {
1365                         gchar *tmp;
1366
1367                         tmp = parser[n].search(walk, parser[n].needle);
1368                         if (tmp) {
1369                                 if (scanpos == NULL || tmp < scanpos) {
1370                                         scanpos = tmp;
1371                                         last_index = n;
1372                                 }
1373                         }
1374                 }
1375
1376                 if (scanpos) {
1377                         /* check if URI can be parsed */
1378                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, hdr)
1379                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1380                                         ADD_TXT_POS(bp, ep, last_index);
1381                                         walk = ep;
1382                         } else
1383                                 walk = scanpos +
1384                                         strlen(parser[last_index].needle);
1385                 } else
1386                         break;
1387         }
1388
1389         /* colorize this line */
1390         if (head.next) {
1391                 const gchar *normal_text = mybuf;
1392
1393                 /* insert URIs */
1394                 for (last = head.next; last != NULL;
1395                      normal_text = last->ep, last = last->next) {
1396                         ClickableText *uri;
1397                         uri = g_new0(ClickableText, 1);
1398                         if (last->bp - normal_text > 0)
1399                                 gtk_text_buffer_insert_with_tags_by_name
1400                                         (buffer, &iter,
1401                                          normal_text,
1402                                          last->bp - normal_text,
1403                                          fg_tag, NULL);
1404                         uri->uri = parser[last->pti].build_uri(last->bp,
1405                                                                last->ep);
1406                         uri->start = gtk_text_iter_get_offset(&iter);
1407                         gtk_text_buffer_insert_with_tags_by_name
1408                                 (buffer, &iter, last->bp, last->ep - last->bp,
1409                                  uri_tag, fg_tag, NULL);
1410                         uri->end = gtk_text_iter_get_offset(&iter);
1411                         uri->filename = NULL;
1412                         textview->uri_list =
1413                                 g_slist_prepend(textview->uri_list, uri);
1414                 }
1415
1416                 if (*normal_text)
1417                         gtk_text_buffer_insert_with_tags_by_name
1418                                 (buffer, &iter, normal_text, -1, fg_tag, NULL);
1419         } else {
1420                 gtk_text_buffer_insert_with_tags_by_name
1421                         (buffer, &iter, mybuf, -1, fg_tag, NULL);
1422         }
1423         g_free(mybuf);
1424 }
1425
1426 /* textview_make_clickable_parts() - colorizes clickable parts */
1427 static void textview_make_clickable_parts_later(TextView *textview,
1428                                           gint start, gint end)
1429 {
1430         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1431         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1432         GtkTextIter start_iter, end_iter;
1433         gchar *mybuf;
1434         gint offset = 0;
1435         /* parse table - in order of priority */
1436         struct table {
1437                 const gchar *needle; /* token */
1438
1439                 /* token search function */
1440                 gchar    *(*search)     (const gchar *haystack,
1441                                          const gchar *needle);
1442                 /* part parsing function */
1443                 gboolean  (*parse)      (const gchar *start,
1444                                          const gchar *scanpos,
1445                                          const gchar **bp_,
1446                                          const gchar **ep_,
1447                                          gboolean hdr);
1448                 /* part to URI function */
1449                 gchar    *(*build_uri)  (const gchar *bp,
1450                                          const gchar *ep);
1451         };
1452
1453         static struct table parser[] = {
1454                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1455                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1456                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1457                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1458                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1459                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1460                 {"@",        strcasestr, get_email_part, make_email_string}
1461         };
1462         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1463
1464         gint  n;
1465         const gchar *walk, *bp, *ep;
1466
1467         struct txtpos {
1468                 const gchar     *bp, *ep;       /* text position */
1469                 gint             pti;           /* index in parse table */
1470                 struct txtpos   *next;          /* next */
1471         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1472
1473         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start);
1474         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end);
1475         mybuf = gtk_text_buffer_get_text(buffer, &start_iter, &end_iter, FALSE);
1476         offset = gtk_text_iter_get_offset(&start_iter);
1477
1478         /* parse for clickable parts, and build a list of begin and end positions  */
1479         for (walk = mybuf;;) {
1480                 gint last_index = PARSE_ELEMS;
1481                 gchar *scanpos = NULL;
1482
1483                 /* FIXME: this looks phony. scanning for anything in the parse table */
1484                 for (n = 0; n < PARSE_ELEMS; n++) {
1485                         gchar *tmp;
1486
1487                         tmp = parser[n].search(walk, parser[n].needle);
1488                         if (tmp) {
1489                                 if (scanpos == NULL || tmp < scanpos) {
1490                                         scanpos = tmp;
1491                                         last_index = n;
1492                                 }
1493                         }
1494                 }
1495
1496                 if (scanpos) {
1497                         /* check if URI can be parsed */
1498                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, FALSE)
1499                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1500                                         ADD_TXT_POS_LATER(bp, ep, last_index);
1501                                         walk = ep;
1502                         } else
1503                                 walk = scanpos +
1504                                         strlen(parser[last_index].needle);
1505                 } else
1506                         break;
1507         }
1508
1509         /* colorize this line */
1510         if (head.next) {
1511                 /* insert URIs */
1512                 for (last = head.next; last != NULL; last = last->next) {
1513                         ClickableText *uri;
1514                         gint start_offset, end_offset;
1515                         gchar *tmp_str;
1516                         gchar old_char;
1517                         uri = g_new0(ClickableText, 1);
1518                         uri->uri = parser[last->pti].build_uri(last->bp,
1519                                                                last->ep);
1520
1521                         tmp_str = mybuf;
1522                         old_char = tmp_str[last->ep - mybuf];
1523                         tmp_str[last->ep - mybuf] = '\0';
1524                         end_offset = g_utf8_strlen(tmp_str, -1);
1525                         tmp_str[last->ep - mybuf] = old_char;
1526
1527                         old_char = tmp_str[last->bp - mybuf];
1528                         tmp_str[last->bp - mybuf] = '\0';
1529                         start_offset = g_utf8_strlen(tmp_str, -1);
1530                         tmp_str[last->bp - mybuf] = old_char;
1531
1532                         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start_offset + offset);
1533                         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end_offset + offset);
1534
1535                         uri->start = gtk_text_iter_get_offset(&start_iter);
1536
1537                         gtk_text_buffer_apply_tag_by_name(buffer, "link", &start_iter, &end_iter);
1538
1539                         uri->end = gtk_text_iter_get_offset(&end_iter);
1540                         uri->filename = NULL;
1541                         textview->uri_list =
1542                                 g_slist_prepend(textview->uri_list, uri);
1543                 }
1544         }
1545
1546         g_free(mybuf);
1547 }
1548
1549 #undef ADD_TXT_POS
1550
1551 static void textview_write_line(TextView *textview, const gchar *str,
1552                                 CodeConverter *conv, gboolean do_quote_folding)
1553 {
1554         GtkTextView *text;
1555         GtkTextBuffer *buffer;
1556         GtkTextIter iter;
1557         gchar buf[BUFFSIZE];
1558         gchar *fg_color;
1559         gint quotelevel = -1, real_quotelevel = -1;
1560         gchar quote_tag_str[10];
1561
1562         text = GTK_TEXT_VIEW(textview->text);
1563         buffer = gtk_text_view_get_buffer(text);
1564         gtk_text_buffer_get_end_iter(buffer, &iter);
1565
1566         if (!conv)
1567                 strncpy2(buf, str, sizeof(buf));
1568         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1569                 conv_localetodisp(buf, sizeof(buf), str);
1570
1571         strcrchomp(buf);
1572         fg_color = NULL;
1573
1574         /* change color of quotation
1575            >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
1576            Up to 3 levels of quotations are detected, and each
1577            level is colored using a different color. */
1578         if (prefs_common.enable_color
1579             && line_has_quote_char(buf, prefs_common.quote_chars)) {
1580                 real_quotelevel = get_quote_level(buf, prefs_common.quote_chars);
1581                 quotelevel = real_quotelevel;
1582                 /* set up the correct foreground color */
1583                 if (quotelevel > 2) {
1584                         /* recycle colors */
1585                         if (prefs_common.recycle_quote_colors)
1586                                 quotelevel %= 3;
1587                         else
1588                                 quotelevel = 2;
1589                 }
1590         }
1591
1592         if (quotelevel == -1)
1593                 fg_color = NULL;
1594         else {
1595                 g_snprintf(quote_tag_str, sizeof(quote_tag_str),
1596                            "quote%d", quotelevel);
1597                 fg_color = quote_tag_str;
1598         }
1599
1600         if (prefs_common.enable_color) {
1601                 if (textview->is_diff) {
1602                         if (strncmp(buf, "+++ ", 4) == 0)
1603                                 fg_color = "diff-add-file";
1604                         else if (buf[0] == '+')
1605                                 fg_color = "diff-add";
1606                         else if (strncmp(buf, "--- ", 4) == 0)
1607                                 fg_color = "diff-del-file";
1608                         else if (buf[0] == '-')
1609                                 fg_color = "diff-del";
1610                         else if (strncmp(buf, "@@ ", 3) == 0 &&
1611                                         strcmp(buf+strlen(buf)-4, " @@\n") == 0)
1612                                 fg_color = "diff-hunk";
1613                 } else if (strcmp(buf,"-- \n") == 0
1614                                 || strcmp(buf, "- -- \n") == 0
1615                                 || textview->is_in_signature) {
1616                         fg_color = "signature";
1617                         textview->is_in_signature = TRUE;
1618                 }
1619         }
1620
1621         if (real_quotelevel > -1 && do_quote_folding) {
1622                 if (!g_utf8_validate(buf, -1, NULL)) {
1623                         gchar *utf8buf = NULL;
1624                         utf8buf = g_malloc(BUFFSIZE);
1625                         conv_localetodisp(utf8buf, BUFFSIZE, buf);
1626                         strncpy2(buf, utf8buf, BUFFSIZE-1);
1627                         g_free(utf8buf);
1628                 }
1629 do_quote:
1630                 if ( textview->prev_quote_level != real_quotelevel ) {
1631                         ClickableText *uri;
1632                         uri = g_new0(ClickableText, 1);
1633                         uri->uri = g_strdup("");
1634                         uri->data = g_strdup(buf);
1635                         uri->data_len = strlen(uri->data);
1636                         uri->start = gtk_text_iter_get_offset(&iter);
1637                         uri->is_quote = TRUE;
1638                         uri->quote_level = real_quotelevel;
1639                         uri->fg_color = g_strdup(fg_color);
1640
1641                         gtk_text_buffer_insert_with_tags_by_name
1642                                         (buffer, &iter, " [...]", -1,
1643                                          "qlink", fg_color, NULL);
1644                         uri->end = gtk_text_iter_get_offset(&iter);
1645                         gtk_text_buffer_insert(buffer, &iter, "  \n", -1);
1646
1647                         uri->filename = NULL;
1648                         textview->uri_list =
1649                                 g_slist_prepend(textview->uri_list, uri);
1650
1651                         textview->prev_quote_level = real_quotelevel;
1652                 } else {
1653                         GSList *last = textview->uri_list;
1654                         ClickableText *lasturi = NULL;
1655                         gint e_len = 0, n_len = 0;
1656
1657                         if (textview->uri_list) {
1658                                 lasturi = (ClickableText *)last->data;
1659                         } else {
1660                                 g_print("oops (%d %d)\n",
1661                                         real_quotelevel, textview->prev_quote_level);
1662                         }
1663                         if (lasturi) {
1664                                 if (lasturi->is_quote == FALSE) {
1665                                         textview->prev_quote_level = -1;
1666                                         goto do_quote;
1667                                 }
1668                                 e_len = lasturi->data ? lasturi->data_len:0;
1669                                 n_len = strlen(buf);
1670                                 lasturi->data = g_realloc((gchar *)lasturi->data, e_len + n_len + 1);
1671                                 strcpy((gchar *)lasturi->data + e_len, buf);
1672                                 *((gchar *)lasturi->data + e_len + n_len) = '\0';
1673                                 lasturi->data_len += n_len;
1674                         }
1675                 }
1676         } else {
1677                 textview_make_clickable_parts(textview, fg_color, "link", buf, FALSE);
1678                 textview->prev_quote_level = -1;
1679         }
1680 }
1681
1682 void textview_write_link(TextView *textview, const gchar *str,
1683                          const gchar *uri, CodeConverter *conv)
1684 {
1685         GtkTextView *text;
1686         GtkTextBuffer *buffer;
1687         GtkTextIter iter;
1688         gchar buf[BUFFSIZE];
1689         gchar *bufp;
1690         ClickableText *r_uri;
1691
1692         if (!str || *str == '\0')
1693                 return;
1694         if (!uri)
1695                 return;
1696
1697         while (uri && *uri && g_ascii_isspace(*uri))
1698                 uri++;
1699
1700         text = GTK_TEXT_VIEW(textview->text);
1701         buffer = gtk_text_view_get_buffer(text);
1702         gtk_text_buffer_get_end_iter(buffer, &iter);
1703
1704         if (!conv)
1705                 strncpy2(buf, str, sizeof(buf));
1706         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1707                 conv_utf8todisp(buf, sizeof(buf), str);
1708
1709         if (g_utf8_validate(buf, -1, NULL) == FALSE)
1710                 return;
1711
1712         strcrchomp(buf);
1713
1714         gtk_text_buffer_get_end_iter(buffer, &iter);
1715         for (bufp = buf; *bufp != '\0'; bufp = g_utf8_next_char(bufp)) {
1716                 gunichar ch;
1717
1718                 ch = g_utf8_get_char(bufp);
1719                 if (!g_unichar_isspace(ch))
1720                         break;
1721         }
1722         if (bufp > buf)
1723                 gtk_text_buffer_insert(buffer, &iter, buf, bufp - buf);
1724
1725         r_uri = g_new0(ClickableText, 1);
1726         r_uri->uri = g_strdup(uri);
1727         r_uri->start = gtk_text_iter_get_offset(&iter);
1728         gtk_text_buffer_insert_with_tags_by_name
1729                 (buffer, &iter, bufp, -1, "link", NULL);
1730         r_uri->end = gtk_text_iter_get_offset(&iter);
1731         r_uri->filename = NULL;
1732         textview->uri_list = g_slist_prepend(textview->uri_list, r_uri);
1733 }
1734
1735 static void textview_set_cursor(GdkWindow *window, GdkCursor *cursor)
1736 {
1737         if (GDK_IS_WINDOW(window))
1738                 gdk_window_set_cursor(window, cursor);
1739 }
1740 void textview_clear(TextView *textview)
1741 {
1742         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1743         GtkTextBuffer *buffer;
1744         GdkWindow *window = gtk_text_view_get_window(text,
1745                                 GTK_TEXT_WINDOW_TEXT);
1746
1747         buffer = gtk_text_view_get_buffer(text);
1748         gtk_text_buffer_set_text(buffer, "", -1);
1749
1750         TEXTVIEW_STATUSBAR_POP(textview);
1751         textview_uri_list_remove_all(textview->uri_list);
1752         textview->uri_list = NULL;
1753         textview->uri_hover = NULL;
1754         textview->prev_quote_level = -1;
1755
1756         textview->body_pos = 0;
1757         if (textview->image)
1758                 gtk_widget_destroy(textview->image);
1759         textview->image = NULL;
1760
1761         if (textview->messageview->mainwin->cursor_count == 0) {
1762                 textview_set_cursor(window, text_cursor);
1763         } else {
1764                 textview_set_cursor(window, watch_cursor);
1765         }
1766 }
1767
1768 void textview_destroy(TextView *textview)
1769 {
1770         GtkTextBuffer *buffer;
1771         GtkClipboard *clipboard;
1772
1773         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1774         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1775         gtk_text_buffer_remove_selection_clipboard(buffer, clipboard);
1776
1777         textview_uri_list_remove_all(textview->uri_list);
1778         textview->uri_list = NULL;
1779         textview->prev_quote_level = -1;
1780
1781         g_free(textview);
1782 }
1783
1784 #define CHANGE_TAG_FONT(tagname, font) { \
1785         tag = gtk_text_tag_table_lookup(tags, tagname); \
1786         if (tag) \
1787                 g_object_set(G_OBJECT(tag), "font-desc", font, NULL); \
1788 }
1789
1790 void textview_set_font(TextView *textview, const gchar *codeset)
1791 {
1792         GtkTextTag *tag;
1793         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1794         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
1795         PangoFontDescription *font_desc, *bold_font_desc;
1796
1797         font_desc = pango_font_description_from_string
1798                                         (NORMAL_FONT);
1799         if (font_desc) {
1800                 gtk_widget_modify_font(textview->text, font_desc);
1801                 CHANGE_TAG_FONT("header", font_desc);
1802                 CHANGE_TAG_FONT("hlink", font_desc);
1803                 pango_font_description_free(font_desc);
1804         }
1805         if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
1806                 bold_font_desc = pango_font_description_from_string
1807                                                 (NORMAL_FONT);
1808                 if (bold_font_desc)
1809                         pango_font_description_set_weight
1810                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
1811         } else {
1812                 bold_font_desc = pango_font_description_from_string
1813                                                 (BOLD_FONT);
1814         }
1815         if (bold_font_desc) {
1816                 CHANGE_TAG_FONT("header_title", bold_font_desc);
1817                 pango_font_description_free(bold_font_desc);
1818         }
1819
1820         if (prefs_common.textfont) {
1821                 PangoFontDescription *font_desc;
1822
1823                 font_desc = pango_font_description_from_string
1824                                                 (prefs_common.textfont);
1825                 if (font_desc) {
1826                         gtk_widget_modify_font(textview->text, font_desc);
1827                         pango_font_description_free(font_desc);
1828                 }
1829         }
1830         gtk_text_view_set_pixels_above_lines(GTK_TEXT_VIEW(textview->text),
1831                                              prefs_common.line_space / 2);
1832         gtk_text_view_set_pixels_below_lines(GTK_TEXT_VIEW(textview->text),
1833                                              prefs_common.line_space / 2);
1834 }
1835
1836 void textview_set_text(TextView *textview, const gchar *text)
1837 {
1838         GtkTextView *view;
1839         GtkTextBuffer *buffer;
1840
1841         cm_return_if_fail(textview != NULL);
1842         cm_return_if_fail(text != NULL);
1843
1844         textview_clear(textview);
1845
1846         view = GTK_TEXT_VIEW(textview->text);
1847         buffer = gtk_text_view_get_buffer(view);
1848         gtk_text_buffer_set_text(buffer, text, strlen(text));
1849 }
1850
1851 enum
1852 {
1853         H_DATE          = 0,
1854         H_FROM          = 1,
1855         H_TO            = 2,
1856         H_NEWSGROUPS    = 3,
1857         H_SUBJECT       = 4,
1858         H_CC            = 5,
1859         H_REPLY_TO      = 6,
1860         H_FOLLOWUP_TO   = 7,
1861         H_X_MAILER      = 8,
1862         H_X_NEWSREADER  = 9,
1863         H_USER_AGENT    = 10,
1864         H_ORGANIZATION  = 11,
1865 };
1866
1867 void textview_set_position(TextView *textview, gint pos)
1868 {
1869         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1870
1871         gtkut_text_view_set_position(text, pos);
1872 }
1873
1874 static gboolean header_is_internal(Header *header)
1875 {
1876         const gchar *internal_hdrs[] =
1877                 {"AF:", "NF:", "PS:", "SRH:", "SFN:", "DSR:", "MID:",
1878                  "CFG:", "PT:", "S:", "RQ:", "SSV:", "NSV:", "SSH:",
1879                  "R:", "MAID:", "SCF:", "RMID:", "FMID:", "NAID:",
1880                  "X-Claws-Account-Id:", "X-Claws-Sign:", "X-Claws-Encrypt:",
1881                  "X-Claws-Privacy-System:", "X-Claws-End-Special-Headers:",
1882                  "X-Sylpheed-Account-Id:", "X-Sylpheed-Sign:", "X-Sylpheed-Encrypt:",
1883                  "X-Claws-Auto-Wrapping:", "X-Claws-Auto-Indent:",
1884                  "X-Sylpheed-Privacy-System:", "X-Sylpheed-End-Special-Headers:",
1885                  NULL};
1886         int i;
1887
1888         for (i = 0; internal_hdrs[i]; i++) {
1889                 if (!strcmp(header->name, internal_hdrs[i]))
1890                         return TRUE;
1891         }
1892         return FALSE;
1893 }
1894
1895 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1896 {
1897         gchar buf[BUFFSIZE];
1898         GPtrArray *headers, *sorted_headers;
1899         GSList *disphdr_list;
1900         Header *header;
1901         gint i;
1902
1903         cm_return_val_if_fail(fp != NULL, NULL);
1904
1905         if (prefs_common.show_all_headers) {
1906                 headers = procheader_get_header_array_asis(fp);
1907                 sorted_headers = g_ptr_array_new();
1908                 for (i = 0; i < headers->len; i++) {
1909                         header = g_ptr_array_index(headers, i);
1910                         if (!header_is_internal(header))
1911                                 g_ptr_array_add(sorted_headers, header);
1912                         else
1913                                 procheader_header_free(header);
1914                 }
1915                 g_ptr_array_free(headers, TRUE);
1916                 return sorted_headers;
1917         }
1918
1919         if (!prefs_common.display_header) {
1920                 while (fgets(buf, sizeof(buf), fp) != NULL)
1921                         if (buf[0] == '\r' || buf[0] == '\n') break;
1922                 return NULL;
1923         }
1924
1925         headers = procheader_get_header_array_asis(fp);
1926
1927         sorted_headers = g_ptr_array_new();
1928
1929         for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1930              disphdr_list = disphdr_list->next) {
1931                 DisplayHeaderProp *dp =
1932                         (DisplayHeaderProp *)disphdr_list->data;
1933
1934                 for (i = 0; i < headers->len; i++) {
1935                         header = g_ptr_array_index(headers, i);
1936
1937                         if (procheader_headername_equal(header->name,
1938                                                         dp->name)) {
1939                                 if (dp->hidden)
1940                                         procheader_header_free(header);
1941                                 else
1942                                         g_ptr_array_add(sorted_headers, header);
1943
1944                                 g_ptr_array_remove_index(headers, i);
1945                                 i--;
1946                         }
1947                 }
1948         }
1949
1950         if (prefs_common.show_other_header) {
1951                 for (i = 0; i < headers->len; i++) {
1952                         header = g_ptr_array_index(headers, i);
1953                         if (!header_is_internal(header)) {
1954                                 g_ptr_array_add(sorted_headers, header);
1955                         } else {
1956                                 procheader_header_free(header);
1957                         }
1958                 }
1959                 g_ptr_array_free(headers, TRUE);
1960         } else
1961                 procheader_header_array_destroy(headers);
1962
1963
1964         return sorted_headers;
1965 }
1966
1967 static void textview_show_avatar(TextView *textview)
1968 {
1969         GtkAllocation allocation;
1970         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1971         MsgInfo *msginfo = textview->messageview->msginfo;
1972         int x = 0;
1973         AvatarRender *avatarr;
1974
1975         if (prefs_common.display_header_pane || !prefs_common.display_xface)
1976                 goto bail;
1977
1978         avatarr = avatars_avatarrender_new(msginfo);
1979         hooks_invoke(AVATAR_IMAGE_RENDER_HOOKLIST, avatarr);
1980
1981         if (!avatarr->image) {
1982                 avatars_avatarrender_free(avatarr);
1983                 goto bail;
1984         }
1985
1986         if (textview->image)
1987                 gtk_widget_destroy(textview->image);
1988
1989         textview->image = avatarr->image;
1990         avatarr->image = NULL; /* avoid destroying */
1991         avatars_avatarrender_free(avatarr);
1992
1993         gtk_widget_show(textview->image);
1994
1995         gtk_widget_get_allocation(textview->text, &allocation);
1996         x = allocation.width - WIDTH -5;
1997
1998         gtk_text_view_add_child_in_window(text, textview->image,
1999                 GTK_TEXT_WINDOW_TEXT, x, 5);
2000
2001         gtk_widget_show_all(textview->text);
2002
2003         return;
2004 bail:
2005         if (textview->image)
2006                 gtk_widget_destroy(textview->image);
2007         textview->image = NULL;
2008 }
2009
2010 void textview_show_icon(TextView *textview, const gchar *stock_id)
2011 {
2012         GtkAllocation allocation;
2013         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2014         int x = 0;
2015
2016         if (textview->image)
2017                 gtk_widget_destroy(textview->image);
2018
2019         textview->image = gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_DIALOG);
2020         cm_return_if_fail(textview->image != NULL);
2021
2022         gtk_widget_show(textview->image);
2023
2024         gtk_widget_get_allocation(textview->text, &allocation);
2025         x = allocation.width - WIDTH -5;
2026
2027         gtk_text_view_add_child_in_window(text, textview->image,
2028                 GTK_TEXT_WINDOW_TEXT, x, 5);
2029
2030         gtk_widget_show_all(textview->text);
2031
2032
2033         return;
2034 }
2035
2036 static void textview_save_contact_pic(TextView *textview)
2037 {
2038 #ifndef USE_NEW_ADDRBOOK
2039         MsgInfo *msginfo = textview->messageview->msginfo;
2040         gchar *filename = NULL;
2041         GError *error = NULL;
2042         GdkPixbuf *picture = NULL;
2043
2044         if (!msginfo->extradata || !msginfo->extradata->avatars)
2045                 return;
2046
2047         if (textview->image)
2048                 picture = gtk_image_get_pixbuf(GTK_IMAGE(textview->image));
2049
2050         filename = addrindex_get_picture_file(msginfo->from);
2051         if (!filename)
2052                 return;
2053         if (!is_file_exist(filename)) {
2054                 gdk_pixbuf_save(picture, filename, "png", &error, NULL);
2055                 if (error) {
2056                         g_warning(_("Failed to save image: \n%s"),
2057                                         error->message);
2058                         g_error_free(error);
2059                 }
2060         }
2061         g_free(filename);
2062 #else
2063         /* new address book */
2064 #endif
2065 }
2066
2067 static void textview_show_contact_pic(TextView *textview)
2068 {
2069 #ifndef USE_NEW_ADDRBOOK
2070         MsgInfo *msginfo = textview->messageview->msginfo;
2071         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2072         int x = 0;
2073         gchar *filename = NULL;
2074         GError *error = NULL;
2075         GdkPixbuf *picture = NULL;
2076         gint w, h;
2077         GtkAllocation allocation;
2078
2079         if (prefs_common.display_header_pane
2080                 || !prefs_common.display_xface)
2081                 goto bail;
2082
2083         if (msginfo->extradata && msginfo->extradata->avatars)
2084                 return;
2085
2086         if (textview->image)
2087                 gtk_widget_destroy(textview->image);
2088
2089         filename = addrindex_get_picture_file(msginfo->from);
2090
2091         if (!filename)
2092                 goto bail;
2093         if (!is_file_exist(filename)) {
2094                 g_free(filename);
2095                 goto bail;
2096         }
2097
2098         gdk_pixbuf_get_file_info(filename, &w, &h);
2099
2100         if (w > 48 || h > 48)
2101                 picture = gdk_pixbuf_new_from_file_at_scale(filename,
2102                                                 48, 48, TRUE, &error);
2103         else
2104                 picture = gdk_pixbuf_new_from_file(filename, &error);
2105
2106         if (error) {
2107                 debug_print("Failed to import image: \n%s",
2108                                 error->message);
2109                 g_error_free(error);
2110                 goto bail;
2111         }
2112         g_free(filename);
2113
2114         if (picture) {
2115                 textview->image = gtk_image_new_from_pixbuf(picture);
2116                 g_object_unref(picture);
2117         }
2118         cm_return_if_fail(textview->image != NULL);
2119
2120         gtk_widget_show(textview->image);
2121
2122         gtk_widget_get_allocation(textview->text, &allocation);
2123         x = allocation.width - WIDTH -5;
2124
2125         gtk_text_view_add_child_in_window(text, textview->image,
2126                 GTK_TEXT_WINDOW_TEXT, x, 5);
2127
2128         gtk_widget_show_all(textview->text);
2129
2130         return;
2131 bail:
2132         if (textview->image)
2133                 gtk_widget_destroy(textview->image);
2134         textview->image = NULL;
2135 #else
2136         /* new address book */
2137 #endif
2138 }
2139
2140 static gint textview_tag_cmp_list(gconstpointer a, gconstpointer b)
2141 {
2142         gint id_a = GPOINTER_TO_INT(a);
2143         gint id_b = GPOINTER_TO_INT(b);
2144         const gchar *tag_a = tags_get_tag(id_a);
2145         const gchar *tag_b = tags_get_tag(id_b);
2146
2147         if (tag_a == NULL)
2148                 return tag_b == NULL ? 0:1;
2149
2150         if (tag_b == NULL)
2151                 return tag_a == NULL ? 0:1;
2152
2153         return g_utf8_collate(tag_a, tag_b);
2154 }
2155
2156
2157 static void textview_show_tags(TextView *textview)
2158 {
2159         MsgInfo *msginfo = textview->messageview->msginfo;
2160         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2161         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2162         GtkTextIter iter;
2163         ClickableText *uri;
2164         GSList *cur, *orig;
2165         gboolean found_tag = FALSE;
2166
2167         if (!msginfo->tags)
2168                 return;
2169
2170         cur = orig = g_slist_sort(g_slist_copy(msginfo->tags), textview_tag_cmp_list);
2171
2172         for (; cur; cur = cur->next) {
2173                 if (tags_get_tag(GPOINTER_TO_INT(cur->data)) != NULL) {
2174                         found_tag = TRUE;
2175                         break;
2176                 }
2177         }
2178         if (!found_tag) {
2179                 g_slist_free(orig);
2180                 return;
2181         }
2182
2183         gtk_text_buffer_get_end_iter (buffer, &iter);
2184         gtk_text_buffer_insert_with_tags_by_name(buffer,
2185                 &iter, _("Tags: "), -1,
2186                 "header_title", "header", "tags", NULL);
2187
2188         for (cur = orig; cur; cur = cur->next) {
2189                 const gchar *cur_tag = tags_get_tag(GPOINTER_TO_INT(cur->data));
2190                 if (!cur_tag)
2191                         continue;
2192                 uri = g_new0(ClickableText, 1);
2193                 uri->uri = g_strdup("");
2194                 uri->start = gtk_text_iter_get_offset(&iter);
2195                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
2196                         cur_tag, -1,
2197                         "link", "header", "tags", NULL);
2198                 uri->end = gtk_text_iter_get_offset(&iter);
2199                 uri->filename = g_strdup_printf("sc://search_tags:%s", cur_tag);
2200                 uri->data = NULL;
2201                 textview->uri_list =
2202                         g_slist_prepend(textview->uri_list, uri);
2203                 if (cur->next && tags_get_tag(GPOINTER_TO_INT(cur->next->data)))
2204                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, ", ", 2,
2205                                 "header", "tags", NULL);
2206                 else
2207                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, " ", 1,
2208                                 "header", "tags", NULL);
2209         }
2210         g_slist_free(orig);
2211
2212         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2213                 "header", "tags", NULL);
2214 }
2215
2216 static void textview_show_header(TextView *textview, GPtrArray *headers)
2217 {
2218         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2219         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2220         GtkTextIter iter;
2221         Header *header;
2222         gint i;
2223
2224         cm_return_if_fail(headers != NULL);
2225
2226         for (i = 0; i < headers->len; i++) {
2227                 header = g_ptr_array_index(headers, i);
2228                 cm_return_if_fail(header->name != NULL);
2229
2230                 gtk_text_buffer_get_end_iter (buffer, &iter);
2231                 if(prefs_common.trans_hdr == TRUE) {
2232                         gchar *hdr = g_strndup(header->name, strlen(header->name) - 1);
2233                         gchar *trans_hdr = gettext(hdr);
2234                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2235                                 &iter, trans_hdr, -1,
2236                                 "header_title", "header", NULL);
2237                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2238                                 &iter, ":", 1, "header_title", "header", NULL);
2239                         g_free(hdr);
2240                 } else {
2241                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2242                                 &iter, header->name,
2243                                 -1, "header_title", "header", NULL);
2244                 }
2245                 if (header->name[strlen(header->name) - 1] != ' ')
2246                 gtk_text_buffer_insert_with_tags_by_name
2247                                 (buffer, &iter, " ", 1,
2248                                  "header_title", "header", NULL);
2249
2250                 if (procheader_headername_equal(header->name, "Subject") ||
2251                     procheader_headername_equal(header->name, "From")    ||
2252                     procheader_headername_equal(header->name, "To")      ||
2253                     procheader_headername_equal(header->name, "Cc"))
2254                         unfold_line(header->body);
2255
2256                 if (procheader_headername_equal(header->name, "Date") &&
2257                     prefs_common.msgview_date_format) {
2258                         gchar hbody[80];
2259
2260                         procheader_date_parse(hbody, header->body, sizeof(hbody));
2261                         gtk_text_buffer_get_end_iter (buffer, &iter);
2262                         gtk_text_buffer_insert_with_tags_by_name
2263                                 (buffer, &iter, hbody, -1, "header", NULL);
2264                 } else if ((procheader_headername_equal(header->name, "X-Mailer") ||
2265                                 procheader_headername_equal(header->name,
2266                                                  "X-Newsreader")) &&
2267                                 (strstr(header->body, "Claws Mail") != NULL ||
2268                                 strstr(header->body, "Sylpheed-Claws") != NULL)) {
2269                         gtk_text_buffer_get_end_iter (buffer, &iter);
2270                         gtk_text_buffer_insert_with_tags_by_name
2271                                 (buffer, &iter, header->body, -1,
2272                                  "header", "emphasis", NULL);
2273                 } else {
2274                         gboolean hdr =
2275                           procheader_headername_equal(header->name, "From") ||
2276                           procheader_headername_equal(header->name, "To") ||
2277                           procheader_headername_equal(header->name, "Cc") ||
2278                           procheader_headername_equal(header->name, "Bcc") ||
2279                           procheader_headername_equal(header->name, "Reply-To") ||
2280                           procheader_headername_equal(header->name, "Sender");
2281                         textview_make_clickable_parts(textview, "header",
2282                                                       "hlink", header->body,
2283                                                       hdr);
2284                 }
2285                 gtk_text_buffer_get_end_iter (buffer, &iter);
2286                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2287                                                          "header", NULL);
2288         }
2289
2290         textview_show_avatar(textview);
2291
2292         textview_save_contact_pic(textview);
2293         textview_show_contact_pic(textview);
2294 }
2295
2296 gboolean textview_search_string(TextView *textview, const gchar *str,
2297                                 gboolean case_sens)
2298 {
2299         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2300
2301         return gtkut_text_view_search_string(text, str, case_sens);
2302 }
2303
2304 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
2305                                          gboolean case_sens)
2306 {
2307         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2308
2309         return gtkut_text_view_search_string_backward(text, str, case_sens);
2310 }
2311
2312 void textview_scroll_one_line(TextView *textview, gboolean up)
2313 {
2314         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2315         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2316
2317         gtkutils_scroll_one_line(GTK_WIDGET(text), vadj, up);
2318 }
2319
2320 gboolean textview_scroll_page(TextView *textview, gboolean up)
2321 {
2322         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2323         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2324
2325         return gtkutils_scroll_page(GTK_WIDGET(text), vadj, up);
2326 }
2327
2328 void textview_scroll_max(TextView *textview, gboolean up)
2329 {
2330         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2331         GtkTextIter iter;
2332
2333         if (up) {
2334                 gtk_text_buffer_get_start_iter(buffer, &iter);
2335                 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview->text),
2336                                                 &iter, 0.0, TRUE, 0.0, 1.0);
2337
2338         } else {
2339                 gtk_text_buffer_get_end_iter(buffer, &iter);
2340                 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview->text),
2341                                                 &iter, 0.0, TRUE, 0.0, 0.0);
2342         }
2343 }
2344
2345 #define KEY_PRESS_EVENT_STOP() \
2346         g_signal_stop_emission_by_name(G_OBJECT(widget), \
2347                                        "key_press_event");
2348
2349 static gint textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2350                                  TextView *textview)
2351 {
2352         GdkWindow *window;
2353         SummaryView *summaryview = NULL;
2354         MessageView *messageview = textview->messageview;
2355
2356         if (!event) return FALSE;
2357         if (messageview->mainwin)
2358                 summaryview = messageview->mainwin->summaryview;
2359
2360         switch (event->keyval) {
2361         case GDK_KEY_Tab:
2362         case GDK_KEY_Left:
2363         case GDK_KEY_Up:
2364         case GDK_KEY_Right:
2365         case GDK_KEY_Down:
2366         case GDK_KEY_Page_Up:
2367         case GDK_KEY_Page_Down:
2368         case GDK_KEY_Control_L:
2369         case GDK_KEY_Control_R:
2370                 return FALSE;
2371         case GDK_KEY_Home:
2372         case GDK_KEY_End:
2373                 textview_scroll_max(textview,(event->keyval == GDK_KEY_Home));
2374                 return TRUE;
2375         case GDK_KEY_space:
2376                 if (summaryview)
2377                         summary_pass_key_press_event(summaryview, event);
2378                 else
2379                         mimeview_scroll_page
2380                                 (messageview->mimeview,
2381                                  (event->state &
2382                                   (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2383                 break;
2384         case GDK_KEY_BackSpace:
2385                 mimeview_scroll_page(messageview->mimeview, TRUE);
2386                 break;
2387         case GDK_KEY_Return:
2388         case GDK_KEY_KP_Enter:
2389                 mimeview_scroll_one_line
2390                         (messageview->mimeview, (event->state &
2391                                     (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2392                 break;
2393         case GDK_KEY_Delete:
2394                 if (summaryview)
2395                         summary_pass_key_press_event(summaryview, event);
2396                 break;
2397         default:
2398                 window = gtk_widget_get_window(messageview->mainwin->window);
2399                 if (summaryview &&
2400                     event->window != window) {
2401                         GdkEventKey tmpev = *event;
2402
2403                         tmpev.window = window;
2404                         KEY_PRESS_EVENT_STOP();
2405                         gtk_widget_event(messageview->mainwin->window,
2406                                          (GdkEvent *)&tmpev);
2407                 }
2408                 break;
2409         }
2410
2411         return TRUE;
2412 }
2413
2414 static gboolean textview_motion_notify(GtkWidget *widget,
2415                                        GdkEventMotion *event,
2416                                        TextView *textview)
2417 {
2418         if (textview->loading)
2419                 return FALSE;
2420         textview_uri_update(textview, event->x, event->y);
2421         gdk_window_get_pointer(gtk_widget_get_window(widget), NULL, NULL, NULL);
2422
2423         return FALSE;
2424 }
2425
2426 static gboolean textview_leave_notify(GtkWidget *widget,
2427                                       GdkEventCrossing *event,
2428                                       TextView *textview)
2429 {
2430         if (textview->loading)
2431                 return FALSE;
2432         textview_uri_update(textview, -1, -1);
2433
2434         return FALSE;
2435 }
2436
2437 static gboolean textview_visibility_notify(GtkWidget *widget,
2438                                            GdkEventVisibility *event,
2439                                            TextView *textview)
2440 {
2441         gint wx, wy;
2442         GdkWindow *window;
2443
2444         if (textview->loading)
2445                 return FALSE;
2446
2447         window = gtk_text_view_get_window(GTK_TEXT_VIEW(widget),
2448                                           GTK_TEXT_WINDOW_TEXT);
2449
2450         /* check if occurred for the text window part */
2451         if (window != event->window)
2452                 return FALSE;
2453
2454         gdk_window_get_pointer(gtk_widget_get_window(widget), &wx, &wy, NULL);
2455         textview_uri_update(textview, wx, wy);
2456
2457         return FALSE;
2458 }
2459
2460 void textview_cursor_wait(TextView *textview)
2461 {
2462         GdkWindow *window = gtk_text_view_get_window(
2463                         GTK_TEXT_VIEW(textview->text),
2464                         GTK_TEXT_WINDOW_TEXT);
2465         textview_set_cursor(window, watch_cursor);
2466 }
2467
2468 void textview_cursor_normal(TextView *textview)
2469 {
2470         GdkWindow *window = gtk_text_view_get_window(
2471                         GTK_TEXT_VIEW(textview->text),
2472                         GTK_TEXT_WINDOW_TEXT);
2473         textview_set_cursor(window, text_cursor);
2474 }
2475
2476 static void textview_uri_update(TextView *textview, gint x, gint y)
2477 {
2478         GtkTextBuffer *buffer;
2479         GtkTextIter start_iter, end_iter;
2480         ClickableText *uri = NULL;
2481
2482         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2483
2484         if (x != -1 && y != -1) {
2485                 gint bx, by;
2486                 GtkTextIter iter;
2487                 GSList *tags;
2488                 GSList *cur;
2489
2490                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview->text),
2491                                                       GTK_TEXT_WINDOW_WIDGET,
2492                                                       x, y, &bx, &by);
2493                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview->text),
2494                                                    &iter, bx, by);
2495
2496                 tags = gtk_text_iter_get_tags(&iter);
2497                 for (cur = tags; cur != NULL; cur = cur->next) {
2498                         GtkTextTag *tag = cur->data;
2499                         char *name;
2500
2501                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
2502
2503                         if ((!strcmp(name, "link") || !strcmp(name, "hlink"))
2504                             && textview_get_uri_range(textview, &iter, tag,
2505                                                       &start_iter, &end_iter)) {
2506
2507                                 uri = textview_get_uri_from_range(textview,
2508                                                                   &iter, tag,
2509                                                                   &start_iter,
2510                                                                   &end_iter);
2511                         }
2512                         g_free(name);
2513                         if (uri)
2514                                 break;
2515                 }
2516                 g_slist_free(tags);
2517         }
2518
2519         if (uri != textview->uri_hover) {
2520                 GdkWindow *window;
2521
2522                 if (textview->uri_hover)
2523                         gtk_text_buffer_remove_tag_by_name(buffer,
2524                                                            "link-hover",
2525                                                            &textview->uri_hover_start_iter,
2526                                                            &textview->uri_hover_end_iter);
2527
2528                 textview->uri_hover = uri;
2529                 if (uri) {
2530                         textview->uri_hover_start_iter = start_iter;
2531                         textview->uri_hover_end_iter = end_iter;
2532                 }
2533
2534                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview->text),
2535                                                   GTK_TEXT_WINDOW_TEXT);
2536                 if (textview->messageview->mainwin->cursor_count == 0) {
2537                         textview_set_cursor(window, uri ? hand_cursor : text_cursor);
2538                 } else {
2539                         textview_set_cursor(window, watch_cursor);
2540                 }
2541
2542                 TEXTVIEW_STATUSBAR_POP(textview);
2543
2544                 if (uri) {
2545                         if (!uri->is_quote)
2546                                 gtk_text_buffer_apply_tag_by_name(buffer,
2547                                                           "link-hover",
2548                                                           &start_iter,
2549                                                           &end_iter);
2550                         TEXTVIEW_STATUSBAR_PUSH(textview, uri->uri);
2551                 }
2552         }
2553 }
2554
2555 static gboolean textview_get_uri_range(TextView *textview,
2556                                        GtkTextIter *iter,
2557                                        GtkTextTag *tag,
2558                                        GtkTextIter *start_iter,
2559                                        GtkTextIter *end_iter)
2560 {
2561         return get_tag_range(iter, tag, start_iter, end_iter);
2562 }
2563
2564 static ClickableText *textview_get_uri_from_range(TextView *textview,
2565                                               GtkTextIter *iter,
2566                                               GtkTextTag *tag,
2567                                               GtkTextIter *start_iter,
2568                                               GtkTextIter *end_iter)
2569 {
2570         gint start_pos, end_pos, cur_pos;
2571         ClickableText *uri = NULL;
2572         GSList *cur;
2573
2574         start_pos = gtk_text_iter_get_offset(start_iter);
2575         end_pos = gtk_text_iter_get_offset(end_iter);
2576         cur_pos = gtk_text_iter_get_offset(iter);
2577
2578         for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
2579                 ClickableText *uri_ = (ClickableText *)cur->data;
2580                 if (start_pos == uri_->start &&
2581                     end_pos ==  uri_->end) {
2582                         uri = uri_;
2583                         break;
2584                 }
2585         }
2586         for (cur = textview->uri_list; uri == NULL && cur != NULL; cur = cur->next) {
2587                 ClickableText *uri_ = (ClickableText *)cur->data;
2588                 if (start_pos == uri_->start ||
2589                            end_pos == uri_->end) {
2590                         /* in case of contiguous links, textview_get_uri_range
2591                          * returns a broader range (start of 1st link to end
2592                          * of last link).
2593                          * In that case, correct link is the one covering
2594                          * current iter.
2595                          */
2596                         if (uri_->start <= cur_pos && cur_pos <= uri_->end) {
2597                                 uri = uri_;
2598                                 break;
2599                         }
2600                 }
2601         }
2602
2603         return uri;
2604 }
2605
2606 static ClickableText *textview_get_uri(TextView *textview,
2607                                    GtkTextIter *iter,
2608                                    GtkTextTag *tag)
2609 {
2610         GtkTextIter start_iter, end_iter;
2611         ClickableText *uri = NULL;
2612
2613         if (textview_get_uri_range(textview, iter, tag, &start_iter,
2614                                    &end_iter))
2615                 uri = textview_get_uri_from_range(textview, iter, tag,
2616                                                   &start_iter, &end_iter);
2617
2618         return uri;
2619 }
2620
2621 static void textview_shift_uris_after(TextView *textview, GSList *start_list, gint start, gint shift)
2622 {
2623         GSList *cur;
2624         if (!start_list)
2625                 start_list = textview->uri_list;
2626
2627         for (cur = start_list; cur; cur = cur->next) {
2628                 ClickableText *uri = (ClickableText *)cur->data;
2629                 if (uri->start <= start)
2630                         continue;
2631                 uri->start += shift;
2632                 uri->end += shift;
2633         }
2634 }
2635
2636 static void textview_remove_uris_in(TextView *textview, gint start, gint end)
2637 {
2638         GSList *cur;
2639         for (cur = textview->uri_list; cur; ) {
2640                 ClickableText *uri = (ClickableText *)cur->data;
2641                 if (uri->start > start && uri->end < end) {
2642                         cur = cur->next;
2643                         textview->uri_list = g_slist_remove(textview->uri_list, uri);
2644                         g_free(uri->uri);
2645                         g_free(uri->filename);
2646                         if (uri->is_quote) {
2647                                 g_free(uri->fg_color);
2648                                 g_free(uri->data);
2649                                 /* (only free data in quotes uris) */
2650                         }
2651                         g_free(uri);
2652                 } else {
2653                         cur = cur->next;
2654                 }
2655
2656         }
2657 }
2658
2659 static void textview_toggle_quote(TextView *textview, GSList *start_list, ClickableText *uri, gboolean expand_only)
2660 {
2661         GtkTextIter start, end;
2662         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2663
2664         if (!uri->is_quote)
2665                 return;
2666
2667         if (uri->q_expanded && expand_only)
2668                 return;
2669
2670         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2671         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2672         if (textview->uri_hover)
2673                 gtk_text_buffer_remove_tag_by_name(buffer,
2674                                                    "link-hover",
2675                                                    &textview->uri_hover_start_iter,
2676                                                    &textview->uri_hover_end_iter);
2677         textview->uri_hover = NULL;
2678         gtk_text_buffer_remove_tag_by_name(buffer,
2679                                            "qlink",
2680                                            &start,
2681                                            &end);
2682         /* when shifting URIs start and end, we have to do it per-UTF8-char
2683          * so use g_utf8_strlen(). OTOH, when inserting in the text buffer,
2684          * we have to pass a number of bytes, so use strlen(). disturbing. */
2685
2686         if (!uri->q_expanded) {
2687                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2688                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2689                 textview_shift_uris_after(textview, start_list, uri->start,
2690                         g_utf8_strlen((gchar *)uri->data, -1)-strlen(" [...]\n"));
2691                 gtk_text_buffer_delete(buffer, &start, &end);
2692                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2693                 gtk_text_buffer_insert_with_tags_by_name
2694                                 (buffer, &start, (gchar *)uri->data,
2695                                  strlen((gchar *)uri->data)-1,
2696                                  "qlink", (gchar *)uri->fg_color, NULL);
2697                 uri->end = gtk_text_iter_get_offset(&start);
2698                 textview_make_clickable_parts_later(textview,
2699                                           uri->start, uri->end);
2700                 uri->q_expanded = TRUE;
2701         } else {
2702                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2703                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2704                 textview_remove_uris_in(textview, uri->start, uri->end);
2705                 textview_shift_uris_after(textview, start_list, uri->start,
2706                         strlen(" [...]\n")-g_utf8_strlen((gchar *)uri->data, -1));
2707                 gtk_text_buffer_delete(buffer, &start, &end);
2708                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2709                 gtk_text_buffer_insert_with_tags_by_name
2710                                 (buffer, &start, " [...]", -1,
2711                                  "qlink", (gchar *)uri->fg_color, NULL);
2712                 uri->end = gtk_text_iter_get_offset(&start);
2713                 uri->q_expanded = FALSE;
2714         }
2715         if (textview->messageview->mainwin->cursor_count == 0) {
2716                 textview_cursor_normal(textview);
2717         } else {
2718                 textview_cursor_wait(textview);
2719         }
2720 }
2721 static gboolean textview_uri_button_pressed(GtkTextTag *tag, GObject *obj,
2722                                             GdkEvent *event, GtkTextIter *iter,
2723                                             TextView *textview)
2724 {
2725         GdkEventButton *bevent;
2726         ClickableText *uri = NULL;
2727         char *tagname;
2728         gboolean qlink = FALSE;
2729
2730         if (!event)
2731                 return FALSE;
2732
2733         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
2734                 && event->type != GDK_MOTION_NOTIFY)
2735                 return FALSE;
2736
2737         uri = textview_get_uri(textview, iter, tag);
2738         if (!uri)
2739                 return FALSE;
2740
2741         g_object_get(G_OBJECT(tag), "name", &tagname, NULL);
2742
2743         if (!strcmp(tagname, "qlink"))
2744                 qlink = TRUE;
2745
2746         g_free(tagname);
2747
2748         bevent = (GdkEventButton *) event;
2749
2750         /* doubleclick: open compose / add address / browser */
2751         if (qlink && event->type == GDK_BUTTON_PRESS && bevent->button != 1) {
2752                 /* pass rightclick through */
2753                 return FALSE;
2754         } else if ((event->type == (qlink ? GDK_2BUTTON_PRESS:GDK_BUTTON_PRESS) && bevent->button == 1) ||
2755                 bevent->button == 2 || bevent->button == 3) {
2756                 if (uri->filename && !g_ascii_strncasecmp(uri->filename, "sc://", 5)) {
2757                         MimeView *mimeview =
2758                                 (textview->messageview)?
2759                                         textview->messageview->mimeview:NULL;
2760                         if (mimeview && bevent->button == 1) {
2761                                 mimeview_handle_cmd(mimeview, uri->filename, NULL, uri->data);
2762                         } else if (mimeview && bevent->button == 2 &&
2763                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2764                                 mimeview_handle_cmd(mimeview, "sc://open_attachment", NULL, uri->data);
2765                         } else if (mimeview && bevent->button == 3 &&
2766                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2767                                 mimeview_handle_cmd(mimeview, "sc://menu_attachment", bevent, uri->data);
2768                         }
2769                         return TRUE;
2770                 } else if (qlink && bevent->button == 1) {
2771                         if (prefs_common.hide_quoted)
2772                                 textview_toggle_quote(textview, NULL, uri, FALSE);
2773                         return TRUE;
2774                 } else if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) {
2775                         if (bevent->button == 3) {
2776                                 g_object_set_data(
2777                                         G_OBJECT(textview->mail_popup_menu),
2778                                         "menu_button", uri);
2779                                 gtk_menu_popup(GTK_MENU(textview->mail_popup_menu),
2780                                                NULL, NULL, NULL, NULL,
2781                                                bevent->button, bevent->time);
2782                         } else {
2783                                 PrefsAccount *account = NULL;
2784                                 FolderItem   *folder_item = NULL;
2785                                 Compose *compose;
2786
2787                                 if (textview->messageview && textview->messageview->msginfo &&
2788                                     textview->messageview->msginfo->folder) {
2789
2790
2791                                         folder_item = textview->messageview->msginfo->folder;
2792                                         if (folder_item->prefs && folder_item->prefs->enable_default_account)
2793                                                 account = account_find_from_id(folder_item->prefs->default_account);
2794                                         if (!account)
2795                                                 account = account_find_from_item(folder_item);
2796                                 }
2797                                 compose = compose_new_with_folderitem(account,
2798                                                                 folder_item, uri->uri + 7);
2799                                 compose_check_for_email_account(compose);
2800                         }
2801                         return TRUE;
2802                 } else if (g_ascii_strncasecmp(uri->uri, "file:", 5)) {
2803                         if (bevent->button == 1 &&
2804                             textview_uri_security_check(textview, uri) == TRUE)
2805                                         open_uri(uri->uri,
2806                                                  prefs_common_get_uri_cmd());
2807                         else if (bevent->button == 3 && !qlink) {
2808                                 g_object_set_data(
2809                                         G_OBJECT(textview->link_popup_menu),
2810                                         "menu_button", uri);
2811                                 gtk_menu_popup(GTK_MENU(textview->link_popup_menu),
2812                                                NULL, NULL, NULL, NULL,
2813                                                bevent->button, bevent->time);
2814                         }
2815                         return TRUE;
2816                 } else {
2817                         if (bevent->button == 3 && !qlink) {
2818                                 g_object_set_data(
2819                                         G_OBJECT(textview->file_popup_menu),
2820                                         "menu_button", uri);
2821                                 gtk_menu_popup(GTK_MENU(textview->file_popup_menu),
2822                                                NULL, NULL, NULL, NULL,
2823                                                bevent->button, bevent->time);
2824                                 return TRUE;
2825                         }
2826                 }
2827         }
2828
2829         return FALSE;
2830 }
2831
2832 gchar *textview_get_visible_uri         (TextView       *textview,
2833                                          ClickableText  *uri)
2834 {
2835         GtkTextBuffer *buffer;
2836         GtkTextIter start, end;
2837
2838         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2839
2840         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2841         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2842
2843         return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
2844 }
2845
2846 /*!
2847  *\brief    Check to see if a web URL has been disguised as a different
2848  *          URL (possible with HTML email).
2849  *
2850  *\param    uri The uri to check
2851  *
2852  *\param    textview The TextView the URL is contained in
2853  *
2854  *\return   gboolean TRUE if the URL is ok, or if the user chose to open
2855  *          it anyway, otherwise FALSE
2856  */
2857 gboolean textview_uri_security_check(TextView *textview, ClickableText *uri)
2858 {
2859         gchar *visible_str;
2860         gboolean retval = TRUE;
2861
2862         if (is_uri_string(uri->uri) == FALSE)
2863                 return TRUE;
2864
2865         visible_str = textview_get_visible_uri(textview, uri);
2866         if (visible_str == NULL)
2867                 return TRUE;
2868
2869         g_strstrip(visible_str);
2870
2871         if (strcmp(visible_str, uri->uri) != 0 && is_uri_string(visible_str)) {
2872                 gchar *uri_path;
2873                 gchar *visible_uri_path;
2874
2875                 uri_path = get_uri_path(uri->uri);
2876                 visible_uri_path = get_uri_path(visible_str);
2877                 if (path_cmp(uri_path, visible_uri_path) != 0)
2878                         retval = FALSE;
2879         }
2880
2881         if (retval == FALSE) {
2882                 gchar *msg;
2883                 AlertValue aval;
2884
2885                 msg = g_markup_printf_escaped(_("The real URL is different from "
2886                                                 "the displayed URL.\n"
2887                                                 "\n"
2888                                                 "<b>Displayed URL:</b> %s\n"
2889                                                 "\n"
2890                                                 "<b>Real URL:</b> %s\n"
2891                                                 "\n"
2892                                                 "Open it anyway?"),
2893                                                visible_str,uri->uri);
2894                 aval = alertpanel_full(_("Phishing attempt warning"), msg,
2895                                        GTK_STOCK_CANCEL, _("_Open URL"), NULL, FALSE,
2896                                        NULL, ALERT_WARNING, G_ALERTDEFAULT);
2897                 g_free(msg);
2898                 if (aval == G_ALERTALTERNATE)
2899                         retval = TRUE;
2900         }
2901
2902         g_free(visible_str);
2903
2904         return retval;
2905 }
2906
2907 static void textview_uri_list_remove_all(GSList *uri_list)
2908 {
2909         GSList *cur;
2910
2911         for (cur = uri_list; cur != NULL; cur = cur->next) {
2912                 if (cur->data) {
2913                         g_free(((ClickableText *)cur->data)->uri);
2914                         g_free(((ClickableText *)cur->data)->filename);
2915                         if (((ClickableText *)cur->data)->is_quote) {
2916                                 g_free(((ClickableText *)cur->data)->fg_color);
2917                                 g_free(((ClickableText *)cur->data)->data);
2918                                 /* (only free data in quotes uris) */
2919                         }
2920                         g_free(cur->data);
2921                 }
2922         }
2923
2924         g_slist_free(uri_list);
2925 }
2926
2927 static void open_uri_cb (GtkAction *action, TextView *textview)
2928 {
2929         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2930                                            "menu_button");
2931         const gchar *raw_url = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2932                                            "raw_url");
2933
2934         if (uri) {
2935                 if (textview_uri_security_check(textview, uri) == TRUE)
2936                         open_uri(uri->uri,
2937                                  prefs_common_get_uri_cmd());
2938                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2939                                   NULL);
2940         }
2941         if (raw_url) {
2942                 open_uri(raw_url, prefs_common_get_uri_cmd());
2943                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
2944                                   NULL);
2945         }
2946 }
2947
2948 static void open_image_cb (GtkAction *action, TextView *textview)
2949 {
2950         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
2951                                            "menu_button");
2952
2953         gchar *cmd = NULL;
2954         gchar buf[1024];
2955         const gchar *p;
2956         gchar *filename = NULL;
2957         gchar *tmp_filename = NULL;
2958
2959         if (uri == NULL)
2960                 return;
2961
2962         if (uri->filename == NULL)
2963                 return;
2964
2965         filename = g_strdup(uri->filename);
2966
2967         if (!g_utf8_validate(filename, -1, NULL)) {
2968                 gchar *tmp = conv_filename_to_utf8(filename);
2969                 g_free(filename);
2970                 filename = tmp;
2971         }
2972
2973         subst_for_filename(filename);
2974
2975         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
2976         copy_file(tmp_filename, filename, FALSE);
2977         g_free(tmp_filename);
2978
2979         cmd = mailcap_get_command_for_type("image/jpeg", filename);
2980         if (cmd == NULL) {
2981                 gboolean remember = FALSE;
2982                 cmd = input_dialog_combo_remember
2983                         (_("Open with"),
2984                          _("Enter the command-line to open file:\n"
2985                            "('%s' will be replaced with file name)"),
2986                          prefs_common.mime_open_cmd,
2987                          prefs_common.mime_open_cmd_history,
2988                          &remember);
2989                 if (cmd && remember) {
2990                         mailcap_update_default("image/jpeg", cmd);
2991                 }
2992         }
2993         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2994             !strchr(p + 2, '%'))
2995                 g_snprintf(buf, sizeof(buf), cmd, filename);
2996         else {
2997                 g_warning("Image viewer command-line is invalid: '%s'", cmd);
2998                 return;
2999         }
3000
3001         execute_command_line(buf, TRUE);
3002
3003         g_free(filename);
3004         g_free(cmd);
3005
3006         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
3007                           NULL);
3008 }
3009
3010 static void save_file_cb (GtkAction *action, TextView *textview)
3011 {
3012         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
3013                                            "menu_button");
3014         gchar *filename = NULL;
3015         gchar *filepath = NULL;
3016         gchar *filedir = NULL;
3017         gchar *tmp_filename = NULL;
3018         GtkWidget *window;
3019
3020         if (uri == NULL)
3021                 return;
3022
3023         if (uri->filename == NULL)
3024                 return;
3025
3026         filename = g_strdup(uri->filename);
3027
3028         if (!g_utf8_validate(filename, -1, NULL)) {
3029                 gchar *tmp = conv_filename_to_utf8(filename);
3030                 g_free(filename);
3031                 filename = tmp;
3032         }
3033
3034         subst_for_filename(filename);
3035
3036         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
3037                 filepath = g_strconcat(prefs_common.attach_save_dir,
3038                                        G_DIR_SEPARATOR_S, filename, NULL);
3039         else
3040                 filepath = g_strdup(filename);
3041
3042         g_free(filename);
3043
3044         /* Pick correct window to set the file dialog "transient for" */
3045         if (textview->messageview->window != NULL)
3046                 window = textview->messageview->window;
3047         else
3048                 window = textview->messageview->mainwin->window;
3049
3050         manage_window_focus_in(window, NULL, NULL);
3051
3052         filename = filesel_select_file_save(_("Save as"), filepath);
3053         if (!filename) {
3054                 g_free(filepath);
3055                 return;
3056         }
3057
3058         if (is_file_exist(filename)) {
3059                 AlertValue aval;
3060                 gchar *res;
3061
3062                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
3063                                       filename);
3064                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
3065                                   GTK_STOCK_OK, NULL);
3066                 g_free(res);
3067                 if (G_ALERTALTERNATE != aval)
3068                         return;
3069         }
3070
3071         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
3072         copy_file(tmp_filename, filename, FALSE);
3073         g_free(tmp_filename);
3074
3075         filedir = g_path_get_dirname(filename);
3076         if (filedir && strcmp(filedir, ".")) {
3077                 g_free(prefs_common.attach_save_dir);
3078                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
3079         }
3080
3081         g_free(filedir);
3082         g_free(filepath);
3083
3084         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
3085                           NULL);
3086 }
3087
3088 static void copy_uri_cb (GtkAction *action, TextView *textview)
3089 {
3090         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
3091                                            "menu_button");
3092         const gchar *raw_url =  g_object_get_data(G_OBJECT(textview->link_popup_menu),
3093                                            "raw_url");
3094         if (uri) {
3095                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri, -1);
3096                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri, -1);
3097                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
3098                           NULL);
3099         }
3100         if (raw_url) {
3101                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), raw_url, -1);
3102                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), raw_url, -1);
3103                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
3104                           NULL);
3105         }
3106 }
3107
3108 static void add_uri_to_addrbook_cb (GtkAction *action, TextView *textview)
3109 {
3110         gchar *fromname, *fromaddress;
3111         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3112                                            "menu_button");
3113         AvatarRender *avatarr = NULL;
3114         GdkPixbuf *picture = NULL;
3115         gboolean use_picture = FALSE;
3116
3117         if (uri == NULL)
3118                 return;
3119
3120         /* extract url */
3121         fromaddress = g_strdup(uri->uri + 7);
3122
3123         if (textview->messageview->msginfo &&
3124            !strcmp2(fromaddress, textview->messageview->msginfo->from))
3125                 use_picture = TRUE;
3126
3127         fromname = procheader_get_fromname(fromaddress);
3128         extract_address(fromaddress);
3129
3130         if (use_picture) {
3131                 avatarr = avatars_avatarrender_new(textview->messageview->msginfo);
3132                 hooks_invoke(AVATAR_IMAGE_RENDER_HOOKLIST, avatarr);
3133         }
3134
3135         if (avatarr && avatarr->image) {
3136                 picture = gtk_image_get_pixbuf(GTK_IMAGE(avatarr->image));
3137         }
3138         if (avatarr) {
3139                 avatars_avatarrender_free(avatarr);
3140         }
3141
3142 #ifndef USE_NEW_ADDRBOOK
3143         addressbook_add_contact( fromname, fromaddress, NULL, picture);
3144 #else
3145         if (addressadd_selection(fromname, fromaddress, NULL, picture)) {
3146                 debug_print( "addressbook_add_contact - added\n" );
3147         }
3148 #endif
3149
3150         g_free(fromaddress);
3151         g_free(fromname);
3152 }
3153
3154 static void reply_to_uri_cb (GtkAction *action, TextView *textview)
3155 {
3156         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3157                                            "menu_button");
3158         if (!textview->messageview || !uri)
3159                 return;
3160
3161         compose_reply_to_address (textview->messageview,
3162                                   textview->messageview->msginfo, uri->uri+7);
3163 }
3164
3165 static void mail_to_uri_cb (GtkAction *action, TextView *textview)
3166 {
3167         PrefsAccount *account = NULL;
3168         Compose *compose;
3169         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3170                                            "menu_button");
3171         if (uri == NULL)
3172                 return;
3173
3174         if (textview->messageview && textview->messageview->msginfo &&
3175             textview->messageview->msginfo->folder) {
3176                 FolderItem   *folder_item;
3177
3178                 folder_item = textview->messageview->msginfo->folder;
3179                 if (folder_item->prefs && folder_item->prefs->enable_default_account)
3180                         account = account_find_from_id(folder_item->prefs->default_account);
3181
3182                 compose = compose_new_with_folderitem(account, folder_item, uri->uri+7);
3183         } else {
3184                 compose = compose_new(account, uri->uri + 7, NULL);
3185         }
3186         compose_check_for_email_account(compose);
3187 }
3188
3189 static void copy_mail_to_uri_cb (GtkAction *action, TextView *textview)
3190 {
3191         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3192                                            "menu_button");
3193         if (uri == NULL)
3194                 return;
3195
3196         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri +7, -1);
3197         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri +7, -1);
3198         g_object_set_data(G_OBJECT(textview->mail_popup_menu), "menu_button",
3199                           NULL);
3200 }
3201
3202 void textview_get_selection_offsets(TextView *textview, gint *sel_start, gint *sel_end)
3203 {
3204                 GtkTextView *text = GTK_TEXT_VIEW(textview->text);
3205                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
3206                 GtkTextIter start, end;
3207                 if (gtk_text_buffer_get_selection_bounds(buffer, &start, &end)) {
3208                         if (sel_start)
3209                                 *sel_start = gtk_text_iter_get_offset(&start);
3210                         if (sel_end)
3211                                 *sel_end = gtk_text_iter_get_offset(&end);
3212                 } else {
3213                         if (sel_start)
3214                                 *sel_start = -1;
3215                         if (sel_end)
3216                                 *sel_end = -1;
3217                 }
3218 }