src/textview.c

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