src/textview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2014 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #include "defs.h"
  26
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29 #include <gdk/gdk.h>
  30 #include <gdk/gdkkeysyms.h>
  31 #include <gtk/gtk.h>
  32 #include <stdio.h>
  33 #include <ctype.h>
  34 #include <string.h>
  35 #include <stdlib.h>
  36 #include <errno.h>
  37 #if HAVE_SYS_WAIT_H
  38 #include <sys/wait.h>
  39 #endif
  40
  41 #include "main.h"
  42 #include "summaryview.h"
  43 #include "procheader.h"
  44 #include "prefs_common.h"
  45 #include "codeconv.h"
  46 #include "utils.h"
  47 #include "gtkutils.h"
  48 #include "procmime.h"
  49 #include "html.h"
  50 #include "enriched.h"
  51 #include "compose.h"
  52 #ifndef USE_NEW_ADDRBOOK
  53         #include "addressbook.h"
  54         #include "addrindex.h"
  55 #else
  56         #include "addressbook-dbus.h"
  57         #include "addressadd.h"
  58 #endif
  59 #include "displayheader.h"
  60 #include "account.h"
  61 #include "mimeview.h"
  62 #include "alertpanel.h"
  63 #include "menu.h"
  64 #include "image_viewer.h"
  65 #include "filesel.h"
  66 #include "base64.h"
  67 #include "inputdialog.h"
  68 #include "timing.h"
  69 #include "tags.h"
  70 #include "manage_window.h"
  71 #include "folder_item_prefs.h"
  72 #include "hooks.h"
  73 #include "avatars.h"
  74
  75 static GdkColor quote_colors[3] = {
  76         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  77         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  78         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  79 };
  80
  81 static GdkColor quote_bgcolors[3] = {
  82         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  83         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  84         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  85 };
  86 static GdkColor signature_color = {
  87         (gulong)0,
  88         (gushort)0x7fff,
  89         (gushort)0x7fff,
  90         (gushort)0x7fff
  91 };
  92
  93 static GdkColor uri_color = {
  94         (gulong)0,
  95         (gushort)0,
  96         (gushort)0,
  97         (gushort)0
  98 };
  99
 100 static GdkColor emphasis_color = {
 101         (gulong)0,
 102         (gushort)0,
 103         (gushort)0,
 104         (gushort)0
 105 };
 106
 107 static GdkColor diff_added_color = {
 108         (gulong)0,
 109         (gushort)0,
 110         (gushort)0,
 111         (gushort)0
 112 };
 113
 114 static GdkColor diff_deleted_color = {
 115         (gulong)0,
 116         (gushort)0,
 117         (gushort)0,
 118         (gushort)0
 119 };
 120
 121 static GdkColor diff_hunk_color = {
 122         (gulong)0,
 123         (gushort)0,
 124         (gushort)0,
 125         (gushort)0
 126 };
 127
 128 static GdkCursor *hand_cursor = NULL;
 129 static GdkCursor *text_cursor = NULL;
 130 static GdkCursor *watch_cursor= NULL;
 131
 132 #define TEXTVIEW_STATUSBAR_PUSH(textview, str)                              \
 133 {       if (textview->messageview->statusbar)                               \
 134         gtk_statusbar_push(GTK_STATUSBAR(textview->messageview->statusbar), \
 135                            textview->messageview->statusbar_cid, str);      \
 136 }
 137
 138 #define TEXTVIEW_STATUSBAR_POP(textview)                                   \
 139 {       if (textview->messageview->statusbar)                              \
 140         gtk_statusbar_pop(GTK_STATUSBAR(textview->messageview->statusbar), \
 141                           textview->messageview->statusbar_cid);           \
 142 }
 143
 144 static void textview_show_ertf          (TextView       *textview,
 145                                          FILE           *fp,
 146                                          CodeConverter  *conv);
 147 static void textview_add_part           (TextView       *textview,
 148                                          MimeInfo       *mimeinfo);
 149 static void textview_add_parts          (TextView       *textview,
 150                                          MimeInfo       *mimeinfo);
 151 static void textview_write_body         (TextView       *textview,
 152                                          MimeInfo       *mimeinfo);
 153 static void textview_show_html          (TextView       *textview,
 154                                          FILE           *fp,
 155                                          CodeConverter  *conv);
 156
 157 static void textview_write_line         (TextView       *textview,
 158                                          const gchar    *str,
 159                                          CodeConverter  *conv,
 160                                          gboolean        do_quote_folding);
 161 static void textview_write_link         (TextView       *textview,
 162                                          const gchar    *str,
 163                                          const gchar    *uri,
 164                                          CodeConverter  *conv);
 165
 166 static GPtrArray *textview_scan_header  (TextView       *textview,
 167                                          FILE           *fp);
 168 static void textview_show_header        (TextView       *textview,
 169                                          GPtrArray      *headers);
 170
 171 static gint textview_key_pressed                (GtkWidget      *widget,
 172                                                  GdkEventKey    *event,
 173                                                  TextView       *textview);
 174 static gboolean textview_motion_notify          (GtkWidget      *widget,
 175                                                  GdkEventMotion *motion,
 176                                                  TextView       *textview);
 177 static gboolean textview_leave_notify           (GtkWidget        *widget,
 178                                                  GdkEventCrossing *event,
 179                                                  TextView         *textview);
 180 static gboolean textview_visibility_notify      (GtkWidget      *widget,
 181                                                  GdkEventVisibility *event,
 182                                                  TextView       *textview);
 183 static void textview_uri_update                 (TextView       *textview,
 184                                                  gint           x,
 185                                                  gint           y);
 186 static gboolean textview_get_uri_range          (TextView       *textview,
 187                                                  GtkTextIter    *iter,
 188                                                  GtkTextTag     *tag,
 189                                                  GtkTextIter    *start_iter,
 190                                                  GtkTextIter    *end_iter);
 191 static ClickableText *textview_get_uri_from_range       (TextView       *textview,
 192                                                  GtkTextIter    *iter,
 193                                                  GtkTextTag     *tag,
 194                                                  GtkTextIter    *start_iter,
 195                                                  GtkTextIter    *end_iter);
 196 static ClickableText *textview_get_uri          (TextView       *textview,
 197                                                  GtkTextIter    *iter,
 198                                                  GtkTextTag     *tag);
 199 static gboolean textview_uri_button_pressed     (GtkTextTag     *tag,
 200                                                  GObject        *obj,
 201                                                  GdkEvent       *event,
 202                                                  GtkTextIter    *iter,
 203                                                  TextView       *textview);
 204
 205 static void textview_uri_list_remove_all        (GSList         *uri_list);
 206
 207 static void textview_toggle_quote               (TextView       *textview,
 208                                                  GSList         *start_list,
 209                                                  ClickableText  *uri,
 210                                                  gboolean        expand_only);
 211
 212 static void open_uri_cb                         (GtkAction      *action,
 213                                                  TextView       *textview);
 214 static void copy_uri_cb                         (GtkAction      *action,
 215                                                  TextView       *textview);
 216 static void add_uri_to_addrbook_cb              (GtkAction      *action,
 217                                                  TextView       *textview);
 218 static void reply_to_uri_cb                     (GtkAction      *action,
 219                                                  TextView       *textview);
 220 static void mail_to_uri_cb                      (GtkAction      *action,
 221                                                  TextView       *textview);
 222 static void copy_mail_to_uri_cb                 (GtkAction      *action,
 223                                                  TextView       *textview);
 224 static void save_file_cb                        (GtkAction      *action,
 225                                                  TextView       *textview);
 226 static void open_image_cb                       (GtkAction      *action,
 227                                                  TextView       *textview);
 228 static void textview_show_tags(TextView *textview);
 229
 230 static GtkActionEntry textview_link_popup_entries[] =
 231 {
 232         {"TextviewPopupLink",                   NULL, "TextviewPopupLink" },
 233         {"TextviewPopupLink/Open",              NULL, N_("_Open in web browser"), NULL, NULL, G_CALLBACK(open_uri_cb) },
 234         {"TextviewPopupLink/Copy",              NULL, N_("Copy this _link"), NULL, NULL, G_CALLBACK(copy_uri_cb) },
 235 };
 236
 237 static GtkActionEntry textview_mail_popup_entries[] =
 238 {
 239         {"TextviewPopupMail",                   NULL, "TextviewPopupMail" },
 240         {"TextviewPopupMail/Compose",           NULL, N_("Compose _new message"), NULL, NULL, G_CALLBACK(mail_to_uri_cb) },
 241         {"TextviewPopupMail/ReplyTo",           NULL, N_("_Reply to this address"), NULL, NULL, G_CALLBACK(reply_to_uri_cb) },
 242         {"TextviewPopupMail/AddAB",             NULL, N_("Add to _Address book"), NULL, NULL, G_CALLBACK(add_uri_to_addrbook_cb) },
 243         {"TextviewPopupMail/Copy",              NULL, N_("Copy this add_ress"), NULL, NULL, G_CALLBACK(copy_mail_to_uri_cb) },
 244 };
 245
 246 static GtkActionEntry textview_file_popup_entries[] =
 247 {
 248         {"TextviewPopupFile",                   NULL, "TextviewPopupFile" },
 249         {"TextviewPopupFile/Open",              NULL, N_("_Open image"), NULL, NULL, G_CALLBACK(open_image_cb) },
 250         {"TextviewPopupFile/Save",              NULL, N_("_Save image..."), NULL, NULL, G_CALLBACK(save_file_cb) },
 251 };
 252
 253 static void scrolled_cb (GtkAdjustment *adj, TextView *textview)
 254 {
 255 #ifndef WIDTH
 256 #  define WIDTH 48
 257 #  define HEIGHT 48
 258 #endif
 259         if (textview->image) {
 260                 GtkAllocation allocation;
 261                 gint x, y, x1;
 262                 gtk_widget_get_allocation(textview->text, &allocation);
 263                 x1 = allocation.width - WIDTH - 5;
 264                 gtk_text_view_buffer_to_window_coords(
 265                         GTK_TEXT_VIEW(textview->text),
 266                         GTK_TEXT_WINDOW_TEXT, x1, 5, &x, &y);
 267                 gtk_text_view_move_child(GTK_TEXT_VIEW(textview->text),
 268                         textview->image, x1, y);
 269         }
 270 }
 271
 272 static void textview_size_allocate_cb   (GtkWidget      *widget,
 273                                          GtkAllocation  *allocation,
 274                                          gpointer        data)
 275 {
 276         scrolled_cb(NULL, (TextView *)data);
 277 }
 278
 279 TextView *textview_create(void)
 280 {
 281         TextView *textview;
 282         GtkWidget *vbox;
 283         GtkWidget *scrolledwin;
 284         GtkWidget *text;
 285         GtkTextBuffer *buffer;
 286         GtkClipboard *clipboard;
 287         GtkAdjustment *adj;
 288
 289         debug_print("Creating text view...\n");
 290         textview = g_new0(TextView, 1);
 291
 292         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 293         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 294                                        GTK_POLICY_AUTOMATIC,
 295                                        GTK_POLICY_AUTOMATIC);
 296         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 297                                             GTK_SHADOW_IN);
 298         gtk_widget_set_size_request
 299                 (scrolledwin, prefs_common.mainview_width, -1);
 300
 301         /* create GtkSText widgets for single-byte and multi-byte character */
 302         text = gtk_text_view_new();
 303         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 304         gtk_widget_show(text);
 305         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 306         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD_CHAR);
 307         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 308         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 309         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 310
 311         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 312         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 313         gtk_text_buffer_add_selection_clipboard(buffer, clipboard);
 314
 315         gtk_widget_ensure_style(text);
 316
 317         g_object_ref(scrolledwin);
 318
 319         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 320
 321         g_signal_connect(G_OBJECT(text), "key-press-event",
 322                          G_CALLBACK(textview_key_pressed), textview);
 323         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 324                          G_CALLBACK(textview_motion_notify), textview);
 325         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 326                          G_CALLBACK(textview_leave_notify), textview);
 327         g_signal_connect(G_OBJECT(text), "visibility-notify-event",
 328                          G_CALLBACK(textview_visibility_notify), textview);
 329         adj = gtk_scrolled_window_get_vadjustment(
 330                 GTK_SCROLLED_WINDOW(scrolledwin));
 331         g_signal_connect(G_OBJECT(adj), "value-changed",
 332                          G_CALLBACK(scrolled_cb), textview);
 333         g_signal_connect(G_OBJECT(text), "size_allocate",
 334                          G_CALLBACK(textview_size_allocate_cb),
 335                          textview);
 336
 337
 338         gtk_widget_show(scrolledwin);
 339
 340         vbox = gtk_vbox_new(FALSE, 0);
 341         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 342
 343         gtk_widget_show(vbox);
 344
 345
 346         textview->ui_manager = gtk_ui_manager_new();
 347         textview->link_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 348                         "TextviewPopupLink",
 349                         textview_link_popup_entries,
 350                         G_N_ELEMENTS(textview_link_popup_entries), (gpointer)textview);
 351         textview->mail_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 352                         "TextviewPopupMail",
 353                         textview_mail_popup_entries,
 354                         G_N_ELEMENTS(textview_mail_popup_entries), (gpointer)textview);
 355         textview->file_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 356                         "TextviewPopupFile",
 357                         textview_file_popup_entries,
 358                         G_N_ELEMENTS(textview_file_popup_entries), (gpointer)textview);
 359
 360         MENUITEM_ADDUI_MANAGER(textview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 361         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 362                         "/Menus", "TextviewPopupLink", "TextviewPopupLink", GTK_UI_MANAGER_MENU)
 363         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 364                         "/Menus", "TextviewPopupMail", "TextviewPopupMail", GTK_UI_MANAGER_MENU)
 365         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 366                         "/Menus", "TextviewPopupFile", "TextviewPopupFile", GTK_UI_MANAGER_MENU)
 367
 368         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 369                         "/Menus/TextviewPopupLink", "Open", "TextviewPopupLink/Open", GTK_UI_MANAGER_MENUITEM)
 370         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 371                         "/Menus/TextviewPopupLink", "Copy", "TextviewPopupLink/Copy", GTK_UI_MANAGER_MENUITEM)
 372         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 373                         "/Menus/TextviewPopupMail", "Compose", "TextviewPopupMail/Compose", GTK_UI_MANAGER_MENUITEM)
 374         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 375                         "/Menus/TextviewPopupMail", "ReplyTo", "TextviewPopupMail/ReplyTo", GTK_UI_MANAGER_MENUITEM)
 376         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 377                         "/Menus/TextviewPopupMail", "AddAB", "TextviewPopupMail/AddAB", GTK_UI_MANAGER_MENUITEM)
 378         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 379                         "/Menus/TextviewPopupMail", "Copy", "TextviewPopupMail/Copy", GTK_UI_MANAGER_MENUITEM)
 380         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 381                         "/Menus/TextviewPopupFile", "Open", "TextviewPopupFile/Open", GTK_UI_MANAGER_MENUITEM)
 382         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 383                         "/Menus/TextviewPopupFile", "Save", "TextviewPopupFile/Save", GTK_UI_MANAGER_MENUITEM)
 384
 385         textview->link_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 386                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupLink")) );
 387         textview->mail_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 388                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupMail")) );
 389         textview->file_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 390                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupFile")) );
 391
 392         textview->vbox               = vbox;
 393         textview->scrolledwin        = scrolledwin;
 394         textview->text               = text;
 395         textview->uri_list           = NULL;
 396         textview->body_pos           = 0;
 397         textview->last_buttonpress   = GDK_NOTHING;
 398         textview->image              = NULL;
 399         return textview;
 400 }
 401
 402 static void textview_create_tags(GtkTextView *text, TextView *textview)
 403 {
 404         GtkTextBuffer *buffer;
 405         GtkTextTag *tag, *qtag;
 406 #if !GTK_CHECK_VERSION(3, 0, 0)
 407         static GdkColor yellow, black;
 408         static gboolean color_init = FALSE;
 409 #else
 410         static GdkColor yellow = { (guint32)0, (guint16)0xf5, (guint16)0xf6, (guint16)0xbe };
 411         static GdkColor black = { (guint32)0, (guint16)0x0, (guint16)0x0, (guint16)0x0 };
 412 #endif
 413         static PangoFontDescription *font_desc, *bold_font_desc;
 414
 415 #if !GTK_CHECK_VERSION(3, 0, 0)
 416         if (!color_init) {
 417                 gdk_color_parse("#f5f6be", &yellow);
 418                 gdk_color_parse("#000000", &black);
 419                 color_init = gdk_colormap_alloc_color(
 420                         gdk_colormap_get_system(), &yellow, FALSE, TRUE);
 421                 color_init &= gdk_colormap_alloc_color(
 422                         gdk_colormap_get_system(), &black, FALSE, TRUE);
 423         }
 424 #endif
 425
 426         if (!font_desc)
 427                 font_desc = pango_font_description_from_string
 428                         (NORMAL_FONT);
 429
 430         if (!bold_font_desc) {
 431                 if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
 432                         bold_font_desc = pango_font_description_from_string
 433                                 (NORMAL_FONT);
 434                         pango_font_description_set_weight
 435                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
 436                 } else {
 437                         bold_font_desc = pango_font_description_from_string
 438                                 (BOLD_FONT);
 439                 }
 440         }
 441
 442         buffer = gtk_text_view_get_buffer(text);
 443
 444         gtk_text_buffer_create_tag(buffer, "header",
 445                                    "pixels-above-lines", 0,
 446                                    "pixels-above-lines-set", TRUE,
 447                                    "pixels-below-lines", 0,
 448                                    "pixels-below-lines-set", TRUE,
 449                                    "font-desc", font_desc,
 450                                    "left-margin", 3,
 451                                    "left-margin-set", TRUE,
 452                                    NULL);
 453         gtk_text_buffer_create_tag(buffer, "header_title",
 454                                    "font-desc", bold_font_desc,
 455                                    NULL);
 456         tag = gtk_text_buffer_create_tag(buffer, "hlink",
 457                                    "pixels-above-lines", 0,
 458                                    "pixels-above-lines-set", TRUE,
 459                                    "pixels-below-lines", 0,
 460                                    "pixels-below-lines-set", TRUE,
 461                                    "font-desc", font_desc,
 462                                    "left-margin", 3,
 463                                    "left-margin-set", TRUE,
 464                                    "foreground-gdk", &uri_color,
 465                                    NULL);
 466         g_signal_connect(G_OBJECT(tag), "event",
 467                          G_CALLBACK(textview_uri_button_pressed), textview);
 468         if (prefs_common.enable_bgcolor) {
 469                 gtk_text_buffer_create_tag(buffer, "quote0",
 470                                 "foreground-gdk", &quote_colors[0],
 471                                 "paragraph-background-gdk", &quote_bgcolors[0],
 472                                 NULL);
 473                 gtk_text_buffer_create_tag(buffer, "quote1",
 474                                 "foreground-gdk", &quote_colors[1],
 475                                 "paragraph-background-gdk", &quote_bgcolors[1],
 476                                 NULL);
 477                 gtk_text_buffer_create_tag(buffer, "quote2",
 478                                 "foreground-gdk", &quote_colors[2],
 479                                 "paragraph-background-gdk", &quote_bgcolors[2],
 480                                 NULL);
 481         } else {
 482                 gtk_text_buffer_create_tag(buffer, "quote0",
 483                                 "foreground-gdk", &quote_colors[0],
 484                                 NULL);
 485                 gtk_text_buffer_create_tag(buffer, "quote1",
 486                                 "foreground-gdk", &quote_colors[1],
 487                                 NULL);
 488                 gtk_text_buffer_create_tag(buffer, "quote2",
 489                                 "foreground-gdk", &quote_colors[2],
 490                                 NULL);
 491         }
 492         gtk_text_buffer_create_tag(buffer, "tags",
 493                         "foreground-gdk", &black,
 494                         "paragraph-background-gdk", &yellow,
 495                         NULL);
 496         gtk_text_buffer_create_tag(buffer, "emphasis",
 497                         "foreground-gdk", &emphasis_color,
 498                         NULL);
 499         gtk_text_buffer_create_tag(buffer, "signature",
 500                         "foreground-gdk", &signature_color,
 501                         NULL);
 502         tag = gtk_text_buffer_create_tag(buffer, "link",
 503                         "foreground-gdk", &uri_color,
 504                         NULL);
 505         qtag = gtk_text_buffer_create_tag(buffer, "qlink",
 506                         NULL);
 507         gtk_text_buffer_create_tag(buffer, "link-hover",
 508                         "underline", PANGO_UNDERLINE_SINGLE,
 509                         NULL);
 510         gtk_text_buffer_create_tag(buffer, "diff-add",
 511                         "foreground-gdk", &diff_added_color,
 512                         NULL);
 513         gtk_text_buffer_create_tag(buffer, "diff-del",
 514                         "foreground-gdk", &diff_deleted_color,
 515                         NULL);
 516         gtk_text_buffer_create_tag(buffer, "diff-add-file",
 517                         "foreground-gdk", &diff_added_color,
 518                         "weight", PANGO_WEIGHT_BOLD,
 519                         NULL);
 520         gtk_text_buffer_create_tag(buffer, "diff-del-file",
 521                         "foreground-gdk", &diff_deleted_color,
 522                         "weight", PANGO_WEIGHT_BOLD,
 523                         NULL);
 524         gtk_text_buffer_create_tag(buffer, "diff-hunk",
 525                         "foreground-gdk", &diff_hunk_color,
 526                         "weight", PANGO_WEIGHT_BOLD,
 527                         NULL);
 528         g_signal_connect(G_OBJECT(qtag), "event",
 529                          G_CALLBACK(textview_uri_button_pressed), textview);
 530         g_signal_connect(G_OBJECT(tag), "event",
 531                          G_CALLBACK(textview_uri_button_pressed), textview);
 532 /*      if (font_desc)
 533                 pango_font_description_free(font_desc);
 534         if (bold_font_desc)
 535                 pango_font_description_free(bold_font_desc);*/
 536  }
 537
 538 void textview_init(TextView *textview)
 539 {
 540         if (!hand_cursor)
 541                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 542         if (!text_cursor)
 543                 text_cursor = gdk_cursor_new(GDK_XTERM);
 544         if (!watch_cursor)
 545                 watch_cursor = gdk_cursor_new(GDK_WATCH);
 546
 547         textview_reflect_prefs(textview);
 548         textview_set_font(textview, NULL);
 549         textview_create_tags(GTK_TEXT_VIEW(textview->text), textview);
 550 }
 551
 552  #define CHANGE_TAG_COLOR(tagname, colorfg, colorbg) { \
 553         tag = gtk_text_tag_table_lookup(tags, tagname); \
 554         if (tag) \
 555                 g_object_set(G_OBJECT(tag), "foreground-gdk", colorfg, "paragraph-background-gdk", colorbg, NULL); \
 556  }
 557
 558 static void textview_update_message_colors(TextView *textview)
 559 {
 560         GdkColor black = {0, 0, 0, 0};
 561         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
 562
 563         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
 564         GtkTextTag *tag = NULL;
 565
 566         quote_bgcolors[0] = quote_bgcolors[1] = quote_bgcolors[2] = black;
 567         quote_colors[0] = quote_colors[1] = quote_colors[2] = black;
 568         uri_color = emphasis_color = signature_color = diff_added_color =
 569                 diff_deleted_color = diff_hunk_color = black;
 570
 571         if (prefs_common.enable_color) {
 572                 /* grab the quote colors, converting from an int to a GdkColor */
 573                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
 574                                                &quote_colors[0]);
 575                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
 576                                                &quote_colors[1]);
 577                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
 578                                                &quote_colors[2]);
 579                 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
 580                                                &uri_color);
 581                 gtkut_convert_int_to_gdk_color(prefs_common.signature_col,
 582                                                &signature_color);
 583                 gtkut_convert_int_to_gdk_color(prefs_common.emphasis_col,
 584                                                &emphasis_color);
 585                 gtkut_convert_int_to_gdk_color(prefs_common.diff_added_color,
 586                                                &diff_added_color);
 587                 gtkut_convert_int_to_gdk_color(prefs_common.diff_deleted_color,
 588                                                &diff_deleted_color);
 589                 gtkut_convert_int_to_gdk_color(prefs_common.diff_hunk_color,
 590                                                &diff_hunk_color);
 591         }
 592         if (prefs_common.enable_color && prefs_common.enable_bgcolor) {
 593                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_bgcol,
 594                                                    &quote_bgcolors[0]);
 595                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_bgcol,
 596                                                    &quote_bgcolors[1]);
 597                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_bgcol,
 598                                                    &quote_bgcolors[2]);
 599                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], &quote_bgcolors[0]);
 600                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], &quote_bgcolors[1]);
 601                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], &quote_bgcolors[2]);
 602         } else {
 603                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], NULL);
 604                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], NULL);
 605                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], NULL);
 606         }
 607
 608         CHANGE_TAG_COLOR("emphasis", &emphasis_color, NULL);
 609         CHANGE_TAG_COLOR("signature", &signature_color, NULL);
 610         CHANGE_TAG_COLOR("link", &uri_color, NULL);
 611         CHANGE_TAG_COLOR("link-hover", &uri_color, NULL);
 612         CHANGE_TAG_COLOR("diff-add", &diff_added_color, NULL);
 613         CHANGE_TAG_COLOR("diff-del", &diff_deleted_color, NULL);
 614         CHANGE_TAG_COLOR("diff-add-file", &diff_added_color, NULL);
 615         CHANGE_TAG_COLOR("diff-del-file", &diff_deleted_color, NULL);
 616         CHANGE_TAG_COLOR("diff-hunk", &diff_hunk_color, NULL);
 617 }
 618 #undef CHANGE_TAG_COLOR
 619
 620 void textview_reflect_prefs(TextView *textview)
 621 {
 622         textview_set_font(textview, NULL);
 623         textview_update_message_colors(textview);
 624         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textview->text),
 625                                          prefs_common.textview_cursor_visible);
 626 }
 627
 628 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
 629 {
 630         START_TIMING("");
 631         cm_return_if_fail(mimeinfo != NULL);
 632         cm_return_if_fail(fp != NULL);
 633
 634         textview->loading = TRUE;
 635         textview->stop_loading = FALSE;
 636
 637         textview_clear(textview);
 638
 639         if ((mimeinfo->type == MIMETYPE_MULTIPART) ||
 640             ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822"))) {
 641                 textview_add_parts(textview, mimeinfo);
 642         } else {
 643                 if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0)
 644                         perror("fseek");
 645
 646                 if (mimeinfo->type == MIMETYPE_MULTIPART)
 647                         textview_add_parts(textview, mimeinfo);
 648                 else
 649                         textview_write_body(textview, mimeinfo);
 650         }
 651
 652         textview->loading = FALSE;
 653         textview->stop_loading = FALSE;
 654         textview_set_position(textview, 0);
 655
 656         END_TIMING();
 657 }
 658
 659 static void textview_add_part(TextView *textview, MimeInfo *mimeinfo)
 660 {
 661         GtkAllocation allocation;
 662         GtkTextView *text;
 663         GtkTextBuffer *buffer;
 664         GtkTextIter iter, start_iter;
 665         gchar buf[BUFFSIZE];
 666         GPtrArray *headers = NULL;
 667         const gchar *name;
 668         gchar *content_type;
 669         gint charcount;
 670         START_TIMING("");
 671
 672         cm_return_if_fail(mimeinfo != NULL);
 673         text = GTK_TEXT_VIEW(textview->text);
 674         buffer = gtk_text_view_get_buffer(text);
 675         charcount = gtk_text_buffer_get_char_count(buffer);
 676         gtk_text_buffer_get_end_iter(buffer, &iter);
 677
 678         if (textview->stop_loading) {
 679                 return;
 680         }
 681         if (mimeinfo->type == MIMETYPE_MULTIPART) {
 682                 END_TIMING();
 683                 return;
 684         }
 685
 686         textview->prev_quote_level = -1;
 687
 688         if ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822")) {
 689                 FILE *fp;
 690                 if (mimeinfo->content == MIMECONTENT_MEM)
 691                         fp = str_open_as_stream(mimeinfo->data.mem);
 692                 else
 693                         fp = g_fopen(mimeinfo->data.filename, "rb");
 694                 if (!fp) {
 695                         FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
 696                         END_TIMING();
 697                         return;
 698                 }
 699                 fseek(fp, mimeinfo->offset, SEEK_SET);
 700                 headers = textview_scan_header(textview, fp);
 701                 if (headers) {
 702                         if (charcount > 0)
 703                                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 704
 705                         if (procmime_mimeinfo_parent(mimeinfo) == NULL)
 706                                 textview_show_tags(textview);
 707                         textview_show_header(textview, headers);
 708                         procheader_header_array_destroy(headers);
 709                 }
 710                 fclose(fp);
 711                 END_TIMING();
 712                 return;
 713         }
 714
 715         name = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
 716         content_type = procmime_get_content_type_str(mimeinfo->type,
 717                                                      mimeinfo->subtype);
 718         if (name == NULL)
 719                 name = procmime_mimeinfo_get_parameter(mimeinfo, "name");
 720         if (name != NULL)
 721                 g_snprintf(buf, sizeof(buf), _("[%s  %s (%d bytes)]"),
 722                            name, content_type, mimeinfo->length);
 723         else
 724                 g_snprintf(buf, sizeof(buf), _("[%s (%d bytes)]"),
 725                            content_type, mimeinfo->length);
 726
 727         g_free(content_type);
 728
 729         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
 730         || (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
 731             mimeinfo->type != MIMETYPE_TEXT)) {
 732                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 733                 TEXTVIEW_INSERT_LINK(buf, "sc://select_attachment", mimeinfo);
 734                 gtk_text_buffer_insert(buffer, &iter, " \n", -1);
 735                 if (mimeinfo->type == MIMETYPE_IMAGE  &&
 736                     prefs_common.inline_img ) {
 737                         GdkPixbuf *pixbuf;
 738                         GError *error = NULL;
 739                         gchar *filename;
 740                         ClickableText *uri;
 741                         gchar *uri_str;
 742                         gint err;
 743                         START_TIMING("inserting image");
 744
 745                         filename = procmime_get_tmp_file_name(mimeinfo);
 746
 747                         if ((err = procmime_get_part(filename, mimeinfo)) < 0) {
 748                                 g_warning("Can't get the image file.(%s)", strerror(-err));
 749                                 g_free(filename);
 750                                 END_TIMING();
 751                                 return;
 752                         }
 753
 754                         pixbuf = gdk_pixbuf_new_from_file(filename, &error);
 755                         if (textview->stop_loading) {
 756                                 return;
 757                         }
 758                         if (error != NULL) {
 759                                 g_warning("%s\n", error->message);
 760                                 g_error_free(error);
 761                         }
 762                         if (!pixbuf) {
 763                                 g_warning("Can't load the image.");
 764                                 g_free(filename);
 765                                 END_TIMING();
 766                                 return;
 767                         }
 768
 769                         gtk_widget_get_allocation(textview->scrolledwin, &allocation);
 770                         pixbuf = claws_load_pixbuf_fitting(pixbuf,
 771                                         allocation.width,
 772                                         allocation.height);
 773
 774                         if (textview->stop_loading) {
 775                                 return;
 776                         }
 777
 778                         uri_str = g_filename_to_uri(filename, NULL, NULL);
 779                         if (uri_str) {
 780                                 uri = g_new0(ClickableText, 1);
 781                                 uri->uri = uri_str;
 782                                 uri->start = gtk_text_iter_get_offset(&iter);
 783
 784                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 785                                 if (textview->stop_loading) {
 786                                         g_free(uri);
 787                                         return;
 788                                 }
 789                                 uri->end = uri->start + 1;
 790                                 uri->filename = procmime_get_part_file_name(mimeinfo);
 791                                 textview->uri_list =
 792                                         g_slist_prepend(textview->uri_list, uri);
 793
 794                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 795                                 gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, uri->start);
 796                                 gtk_text_buffer_apply_tag_by_name(buffer, "link",
 797                                                 &start_iter, &iter);
 798                         } else {
 799                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 800                                 if (textview->stop_loading) {
 801                                         return;
 802                                 }
 803                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 804                         }
 805
 806                         g_object_unref(pixbuf);
 807                         g_free(filename);
 808                         END_TIMING();
 809                         GTK_EVENTS_FLUSH();
 810                 }
 811         } else if (mimeinfo->type == MIMETYPE_TEXT) {
 812                 if (prefs_common.display_header && (charcount > 0))
 813                         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 814
 815                 textview_write_body(textview, mimeinfo);
 816         }
 817         END_TIMING();
 818 }
 819
 820 static void recursive_add_parts(TextView *textview, GNode *node)
 821 {
 822         GNode * iter;
 823         MimeInfo *mimeinfo;
 824         START_TIMING("");
 825
 826         mimeinfo = (MimeInfo *) node->data;
 827
 828         textview_add_part(textview, mimeinfo);
 829 #ifdef GENERIC_UMPC
 830         textview_set_position(textview, 0);
 831 #endif
 832         if ((mimeinfo->type != MIMETYPE_MULTIPART) &&
 833             (mimeinfo->type != MIMETYPE_MESSAGE)) {
 834                 END_TIMING();
 835                 return;
 836         }
 837         if (g_ascii_strcasecmp(mimeinfo->subtype, "alternative") == 0) {
 838                 GNode * prefered_body;
 839                 int prefered_score;
 840
 841                 /*
 842                   text/plain : score 3
 843                   text/ *    : score 2
 844                   other      : score 1
 845                 */
 846                 prefered_body = NULL;
 847                 prefered_score = 0;
 848
 849                 for (iter = g_node_first_child(node) ; iter != NULL ;
 850                      iter = g_node_next_sibling(iter)) {
 851                         int score;
 852                         MimeInfo * submime;
 853
 854                         score = 1;
 855                         submime = (MimeInfo *) iter->data;
 856                         if (submime->type == MIMETYPE_TEXT)
 857                                 score = 2;
 858
 859                         if (submime->subtype != NULL) {
 860                                 if (g_ascii_strcasecmp(submime->subtype, "plain") == 0)
 861                                         score = 3;
 862                         }
 863
 864                         if (score > prefered_score) {
 865                                 prefered_score = score;
 866                                 prefered_body = iter;
 867                         }
 868                 }
 869
 870                 if (prefered_body != NULL) {
 871                         recursive_add_parts(textview, prefered_body);
 872                 }
 873         }
 874         else {
 875                 for (iter = g_node_first_child(node) ; iter != NULL ;
 876                      iter = g_node_next_sibling(iter)) {
 877                         recursive_add_parts(textview, iter);
 878                 }
 879         }
 880         END_TIMING();
 881 }
 882
 883 static void textview_add_parts(TextView *textview, MimeInfo *mimeinfo)
 884 {
 885         cm_return_if_fail(mimeinfo != NULL);
 886
 887         recursive_add_parts(textview, mimeinfo->node);
 888 }
 889
 890 void textview_show_error(TextView *textview)
 891 {
 892         GtkTextView *text;
 893         GtkTextBuffer *buffer;
 894         GtkTextIter iter;
 895
 896         textview_set_font(textview, NULL);
 897         textview_clear(textview);
 898
 899         text = GTK_TEXT_VIEW(textview->text);
 900         buffer = gtk_text_view_get_buffer(text);
 901         gtk_text_buffer_get_start_iter(buffer, &iter);
 902
 903         TEXTVIEW_INSERT(_("\n"
 904                       "  This message can't be displayed.\n"
 905                       "  This is probably due to a network error.\n"
 906                       "\n"
 907                       "  Use "));
 908         TEXTVIEW_INSERT_LINK(_("'Network Log'"), "sc://view_log", NULL);
 909         TEXTVIEW_INSERT(_(" in the Tools menu for more information."));
 910         textview_show_icon(textview, GTK_STOCK_DIALOG_ERROR);
 911 }
 912
 913 void textview_show_info(TextView *textview, const gchar *info_str)
 914 {
 915         GtkTextView *text;
 916         GtkTextBuffer *buffer;
 917         GtkTextIter iter;
 918
 919         textview_set_font(textview, NULL);
 920         textview_clear(textview);
 921
 922         text = GTK_TEXT_VIEW(textview->text);
 923         buffer = gtk_text_view_get_buffer(text);
 924         gtk_text_buffer_get_start_iter(buffer, &iter);
 925
 926         TEXTVIEW_INSERT(info_str);
 927         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
 928         textview_cursor_normal(textview);
 929 }
 930
 931 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
 932 {
 933         GtkTextView *text;
 934         GtkTextBuffer *buffer;
 935         GtkTextIter iter;
 936         const gchar *name;
 937         gchar *content_type, *shortcut;
 938         GtkUIManager *ui_manager;
 939
 940         if (!partinfo) return;
 941
 942         if (textview->messageview->window != NULL)
 943                 ui_manager = textview->messageview->ui_manager;
 944         else
 945                 ui_manager = textview->messageview->mainwin->ui_manager;
 946
 947         textview_set_font(textview, NULL);
 948         textview_clear(textview);
 949
 950         text = GTK_TEXT_VIEW(textview->text);
 951         buffer = gtk_text_view_get_buffer(text);
 952         gtk_text_buffer_get_start_iter(buffer, &iter);
 953
 954         TEXTVIEW_INSERT("\n");
 955
 956         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 957         if (name == NULL)
 958                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 959         if (name != NULL) {
 960                 content_type = procmime_get_content_type_str(partinfo->type,
 961                                                      partinfo->subtype);
 962                 TEXTVIEW_INSERT("  ");
 963                 TEXTVIEW_INSERT_BOLD(name);
 964                 TEXTVIEW_INSERT(" (");
 965                 TEXTVIEW_INSERT(content_type);
 966                 TEXTVIEW_INSERT(", ");
 967                 TEXTVIEW_INSERT(to_human_readable((goffset)partinfo->length));
 968                 TEXTVIEW_INSERT("):\n\n");
 969
 970                 g_free(content_type);
 971         }
 972         TEXTVIEW_INSERT(_("  The following can be performed on this part\n"));
 973 #ifndef GENERIC_UMPC
 974         TEXTVIEW_INSERT(_("  by right-clicking the icon or list item:"));
 975 #endif
 976         TEXTVIEW_INSERT("\n");
 977
 978         TEXTVIEW_INSERT(_("     - To save, select "));
 979         TEXTVIEW_INSERT_LINK(_("'Save as...'"), "sc://save_as", NULL);
 980 #ifndef GENERIC_UMPC
 981         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
 982         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/File/SavePartAs");
 983         TEXTVIEW_INSERT(shortcut);
 984         g_free(shortcut);
 985         TEXTVIEW_INSERT("')");
 986 #endif
 987         TEXTVIEW_INSERT("\n");
 988
 989         TEXTVIEW_INSERT(_("     - To display as text, select "));
 990         TEXTVIEW_INSERT_LINK(_("'Display as text'"), "sc://display_as_text", NULL);
 991
 992 #ifndef GENERIC_UMPC
 993         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
 994         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/AsText");
 995         TEXTVIEW_INSERT(shortcut);
 996         g_free(shortcut);
 997         TEXTVIEW_INSERT("')");
 998 #endif
 999         TEXTVIEW_INSERT("\n");
1000
1001         TEXTVIEW_INSERT(_("     - To open with an external program, select "));
1002         TEXTVIEW_INSERT_LINK(_("'Open'"), "sc://open", NULL);
1003
1004 #ifndef GENERIC_UMPC
1005         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
1006         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/Open");
1007         TEXTVIEW_INSERT(shortcut);
1008         g_free(shortcut);
1009         TEXTVIEW_INSERT("')\n");
1010         TEXTVIEW_INSERT(_("       (alternately double-click, or click the middle "));
1011         TEXTVIEW_INSERT(_("mouse button)\n"));
1012 #ifndef G_OS_WIN32
1013         TEXTVIEW_INSERT(_("     - Or use "));
1014         TEXTVIEW_INSERT_LINK(_("'Open with...'"), "sc://open_with", NULL);
1015         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
1016         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/OpenWith");
1017         TEXTVIEW_INSERT(shortcut);
1018         g_free(shortcut);
1019         TEXTVIEW_INSERT("')");
1020 #endif
1021 #endif
1022         TEXTVIEW_INSERT("\n");
1023
1024         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
1025 }
1026
1027 static void textview_write_body(TextView *textview, MimeInfo *mimeinfo)
1028 {
1029         FILE *tmpfp;
1030         gchar buf[BUFFSIZE];
1031         CodeConverter *conv;
1032         const gchar *charset, *p, *cmd;
1033         GSList *cur;
1034         gboolean continue_write = TRUE;
1035         size_t wrote = 0, i = 0;
1036
1037         if (textview->messageview->forced_charset)
1038                 charset = textview->messageview->forced_charset;
1039         else {
1040                 /* use supersets transparently when possible */
1041                 charset = procmime_mimeinfo_get_parameter(mimeinfo, "charset");
1042                 if (charset && !strcasecmp(charset, CS_ISO_8859_1))
1043                         charset = CS_WINDOWS_1252;
1044                 else if (charset && !strcasecmp(charset, CS_X_GBK))
1045                         charset = CS_GB18030;
1046                 else if (charset && !strcasecmp(charset, CS_GBK))
1047                         charset = CS_GB18030;
1048                 else if (charset && !strcasecmp(charset, CS_GB2312))
1049                         charset = CS_GB18030;
1050         }
1051
1052         textview_set_font(textview, charset);
1053
1054         conv = conv_code_converter_new(charset);
1055
1056         procmime_force_encoding(textview->messageview->forced_encoding);
1057
1058         textview->is_in_signature = FALSE;
1059         textview->is_diff = FALSE;
1060
1061         procmime_decode_content(mimeinfo);
1062
1063         if (!g_ascii_strcasecmp(mimeinfo->subtype, "html") &&
1064             prefs_common.render_html) {
1065                 gchar *filename;
1066
1067                 filename = procmime_get_tmp_file_name(mimeinfo);
1068                 if (procmime_get_part(filename, mimeinfo) == 0) {
1069                         tmpfp = g_fopen(filename, "rb");
1070                         textview_show_html(textview, tmpfp, conv);
1071                         fclose(tmpfp);
1072                         claws_unlink(filename);
1073                 }
1074                 g_free(filename);
1075         } else if (!g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
1076                 gchar *filename;
1077
1078                 filename = procmime_get_tmp_file_name(mimeinfo);
1079                 if (procmime_get_part(filename, mimeinfo) == 0) {
1080                         tmpfp = g_fopen(filename, "rb");
1081                         textview_show_ertf(textview, tmpfp, conv);
1082                         fclose(tmpfp);
1083                         claws_unlink(filename);
1084                 }
1085                 g_free(filename);
1086 #ifndef G_OS_WIN32
1087         } else if ( g_ascii_strcasecmp(mimeinfo->subtype, "plain") &&
1088                    (cmd = prefs_common.mime_textviewer) && *cmd &&
1089                    (p = strchr(cmd, '%')) && *(p + 1) == 's') {
1090                 int pid, pfd[2];
1091                 const gchar *fname;
1092
1093                 fname  = procmime_get_tmp_file_name(mimeinfo);
1094                 if (procmime_get_part(fname, mimeinfo)) goto textview_default;
1095
1096                 g_snprintf(buf, sizeof(buf), cmd, fname);
1097                 debug_print("Viewing text content of type: %s (length: %d) "
1098                         "using %s\n", mimeinfo->subtype, mimeinfo->length, buf);
1099
1100                 if (pipe(pfd) < 0) {
1101                         g_snprintf(buf, sizeof(buf),
1102                                 "pipe failed for textview\n\n%s\n", strerror(errno));
1103                         textview_write_line(textview, buf, conv, TRUE);
1104                         goto textview_default;
1105                 }
1106                 pid = fork();
1107                 if (pid < 0) {
1108                         g_snprintf(buf, sizeof(buf),
1109                                 "fork failed for textview\n\n%s\n", strerror(errno));
1110                         textview_write_line(textview, buf, conv, TRUE);
1111                         close(pfd[0]);
1112                         close(pfd[1]);
1113                         goto textview_default;
1114                 }
1115                 if (pid == 0) { /* child */
1116                         int rc;
1117                         gchar **argv;
1118                         argv = strsplit_with_quote(buf, " ", 0);
1119                         close(1);
1120                         close(pfd[0]);
1121                         rc = dup(pfd[1]);
1122                         rc = execvp(argv[0], argv);
1123                         close(pfd[1]);
1124                         g_print(_("The command to view attachment "
1125                                 "as text failed:\n"
1126                                 "    %s\n"
1127                                 "Exit code %d\n"), buf, rc);
1128                         exit(255);
1129                 }
1130                 close(pfd[1]);
1131                 tmpfp = fdopen(pfd[0], "rb");
1132                 while (fgets(buf, sizeof(buf), tmpfp)) {
1133                         textview_write_line(textview, buf, conv, TRUE);
1134
1135                         if (textview->stop_loading) {
1136                                 fclose(tmpfp);
1137                                 waitpid(pid, pfd, 0);
1138                                 g_unlink(fname);
1139                                 return;
1140                         }
1141                 }
1142
1143                 fclose(tmpfp);
1144                 waitpid(pid, pfd, 0);
1145                 g_unlink(fname);
1146 #endif
1147         } else {
1148 textview_default:
1149                 if (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
1150                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff"))
1151                         textview->is_diff = TRUE;
1152
1153                 if (mimeinfo->content == MIMECONTENT_MEM)
1154                         tmpfp = str_open_as_stream(mimeinfo->data.mem);
1155                 else
1156                         tmpfp = g_fopen(mimeinfo->data.filename, "rb");
1157                 if (!tmpfp) {
1158                         FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1159                         return;
1160                 }
1161                 fseek(tmpfp, mimeinfo->offset, SEEK_SET);
1162                 debug_print("Viewing text content of type: %s (length: %d)\n", mimeinfo->subtype, mimeinfo->length);
1163                 while (((i = ftell(tmpfp)) < mimeinfo->offset + mimeinfo->length) &&
1164                        (fgets(buf, sizeof(buf), tmpfp) != NULL)
1165                        && continue_write) {
1166                         textview_write_line(textview, buf, conv, TRUE);
1167                         if (textview->stop_loading) {
1168                                 fclose(tmpfp);
1169                                 return;
1170                         }
1171                         wrote += ftell(tmpfp)-i;
1172                         if (mimeinfo->length > 1024*1024
1173                         &&  wrote > 1024*1024
1174                         && !textview->messageview->show_full_text) {
1175                                 continue_write = FALSE;
1176                         }
1177                 }
1178                 fclose(tmpfp);
1179         }
1180
1181         conv_code_converter_destroy(conv);
1182         procmime_force_encoding(0);
1183
1184         textview->uri_list = g_slist_reverse(textview->uri_list);
1185         for (cur = textview->uri_list; cur; cur = cur->next) {
1186                 ClickableText *uri = (ClickableText *)cur->data;
1187                 if (!uri->is_quote)
1188                         continue;
1189                 if (!prefs_common.hide_quotes ||
1190                     uri->quote_level+1 < prefs_common.hide_quotes) {
1191                         textview_toggle_quote(textview, cur, uri, TRUE);
1192                         if (textview->stop_loading) {
1193                                 return;
1194                         }
1195                 }
1196         }
1197
1198         if (continue_write == FALSE) {
1199                 messageview_show_partial_display(
1200                         textview->messageview,
1201                         textview->messageview->msginfo,
1202                         mimeinfo->length);
1203         }
1204         GTK_EVENTS_FLUSH();
1205 }
1206
1207 static void textview_show_html(TextView *textview, FILE *fp,
1208                                CodeConverter *conv)
1209 {
1210         SC_HTMLParser *parser;
1211         gchar *str;
1212         gint lines = 0;
1213
1214         parser = sc_html_parser_new(fp, conv);
1215         cm_return_if_fail(parser != NULL);
1216
1217         while ((str = sc_html_parse(parser)) != NULL) {
1218                 if (parser->state == SC_HTML_HREF) {
1219                         /* first time : get and copy the URL */
1220                         if (parser->href == NULL) {
1221                                 /* ALF - the claws html parser returns an empty string,
1222                                  * if still inside an <a>, but already parsed past HREF */
1223                                 str = strtok(str, " ");
1224                                 if (str) {
1225                                         while (str && *str && g_ascii_isspace(*str))
1226                                                 str++;
1227                                         parser->href = g_strdup(str);
1228                                         /* the URL may (or not) be followed by the
1229                                          * referenced text */
1230                                         str = strtok(NULL, "");
1231                                 }
1232                         }
1233                         if (str != NULL)
1234                                 textview_write_link(textview, str, parser->href, NULL);
1235                 } else
1236                         textview_write_line(textview, str, NULL, FALSE);
1237                 lines++;
1238                 if (lines % 500 == 0)
1239                         GTK_EVENTS_FLUSH();
1240                 if (textview->stop_loading) {
1241                         return;
1242                 }
1243         }
1244         textview_write_line(textview, "\n", NULL, FALSE);
1245         sc_html_parser_destroy(parser);
1246 }
1247
1248 static void textview_show_ertf(TextView *textview, FILE *fp,
1249                                CodeConverter *conv)
1250 {
1251         ERTFParser *parser;
1252         gchar *str;
1253         gint lines = 0;
1254
1255         parser = ertf_parser_new(fp, conv);
1256         cm_return_if_fail(parser != NULL);
1257
1258         while ((str = ertf_parse(parser)) != NULL) {
1259                 textview_write_line(textview, str, NULL, FALSE);
1260                 lines++;
1261                 if (lines % 500 == 0)
1262                         GTK_EVENTS_FLUSH();
1263                 if (textview->stop_loading) {
1264                         return;
1265                 }
1266         }
1267
1268         ertf_parser_destroy(parser);
1269 }
1270
1271 #define ADD_TXT_POS(bp_, ep_, pti_) \
1272         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1273                 last = last->next; \
1274                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1275                 last->next = NULL; \
1276         } else { \
1277                 g_warning("alloc error scanning URIs\n"); \
1278                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, \
1279                                                          linebuf, -1, \
1280                                                          fg_tag, NULL); \
1281                 return; \
1282         }
1283
1284 #define ADD_TXT_POS_LATER(bp_, ep_, pti_) \
1285         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1286                 last = last->next; \
1287                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1288                 last->next = NULL; \
1289         } else { \
1290                 g_warning("alloc error scanning URIs\n"); \
1291         }
1292
1293 /* textview_make_clickable_parts() - colorizes clickable parts */
1294 static void textview_make_clickable_parts(TextView *textview,
1295                                           const gchar *fg_tag,
1296                                           const gchar *uri_tag,
1297                                           const gchar *linebuf,
1298                                           gboolean hdr)
1299 {
1300         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1301         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1302         GtkTextIter iter;
1303         gchar *mybuf = g_strdup(linebuf);
1304
1305         /* parse table - in order of priority */
1306         struct table {
1307                 const gchar *needle; /* token */
1308
1309                 /* token search function */
1310                 gchar    *(*search)     (const gchar *haystack,
1311                                          const gchar *needle);
1312                 /* part parsing function */
1313                 gboolean  (*parse)      (const gchar *start,
1314                                          const gchar *scanpos,
1315                                          const gchar **bp_,
1316                                          const gchar **ep_,
1317                                          gboolean hdr);
1318                 /* part to URI function */
1319                 gchar    *(*build_uri)  (const gchar *bp,
1320                                          const gchar *ep);
1321         };
1322
1323         static struct table parser[] = {
1324                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1325                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1326                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1327                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1328                 {"gopher://",strcasestr, get_uri_part,   make_uri_string},
1329                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1330                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1331                 {"@",        strcasestr, get_email_part, make_email_string}
1332         };
1333         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1334
1335         gint  n;
1336         const gchar *walk, *bp, *ep;
1337
1338         struct txtpos {
1339                 const gchar     *bp, *ep;       /* text position */
1340                 gint             pti;           /* index in parse table */
1341                 struct txtpos   *next;          /* next */
1342         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1343
1344         if (!g_utf8_validate(linebuf, -1, NULL)) {
1345                 g_free(mybuf);
1346                 mybuf = g_malloc(strlen(linebuf)*2 +1);
1347                 conv_localetodisp(mybuf, strlen(linebuf)*2 +1, linebuf);
1348         }
1349
1350         gtk_text_buffer_get_end_iter(buffer, &iter);
1351
1352         /* parse for clickable parts, and build a list of begin and end positions  */
1353         for (walk = mybuf;;) {
1354                 gint last_index = PARSE_ELEMS;
1355                 gchar *scanpos = NULL;
1356
1357                 /* FIXME: this looks phony. scanning for anything in the parse table */
1358                 for (n = 0; n < PARSE_ELEMS; n++) {
1359                         gchar *tmp;
1360
1361                         tmp = parser[n].search(walk, parser[n].needle);
1362                         if (tmp) {
1363                                 if (scanpos == NULL || tmp < scanpos) {
1364                                         scanpos = tmp;
1365                                         last_index = n;
1366                                 }
1367                         }
1368                 }
1369
1370                 if (scanpos) {
1371                         /* check if URI can be parsed */
1372                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, hdr)
1373                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1374                                         ADD_TXT_POS(bp, ep, last_index);
1375                                         walk = ep;
1376                         } else
1377                                 walk = scanpos +
1378                                         strlen(parser[last_index].needle);
1379                 } else
1380                         break;
1381         }
1382
1383         /* colorize this line */
1384         if (head.next) {
1385                 const gchar *normal_text = mybuf;
1386
1387                 /* insert URIs */
1388                 for (last = head.next; last != NULL;
1389                      normal_text = last->ep, last = last->next) {
1390                         ClickableText *uri;
1391                         uri = g_new0(ClickableText, 1);
1392                         if (last->bp - normal_text > 0)
1393                                 gtk_text_buffer_insert_with_tags_by_name
1394                                         (buffer, &iter,
1395                                          normal_text,
1396                                          last->bp - normal_text,
1397                                          fg_tag, NULL);
1398                         uri->uri = parser[last->pti].build_uri(last->bp,
1399                                                                last->ep);
1400                         uri->start = gtk_text_iter_get_offset(&iter);
1401                         gtk_text_buffer_insert_with_tags_by_name
1402                                 (buffer, &iter, last->bp, last->ep - last->bp,
1403                                  uri_tag, fg_tag, NULL);
1404                         uri->end = gtk_text_iter_get_offset(&iter);
1405                         uri->filename = NULL;
1406                         textview->uri_list =
1407                                 g_slist_prepend(textview->uri_list, uri);
1408                 }
1409
1410                 if (*normal_text)
1411                         gtk_text_buffer_insert_with_tags_by_name
1412                                 (buffer, &iter, normal_text, -1, fg_tag, NULL);
1413         } else {
1414                 gtk_text_buffer_insert_with_tags_by_name
1415                         (buffer, &iter, mybuf, -1, fg_tag, NULL);
1416         }
1417         g_free(mybuf);
1418 }
1419
1420 /* textview_make_clickable_parts() - colorizes clickable parts */
1421 static void textview_make_clickable_parts_later(TextView *textview,
1422                                           gint start, gint end)
1423 {
1424         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1425         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1426         GtkTextIter start_iter, end_iter;
1427         gchar *mybuf;
1428         gint offset = 0;
1429         /* parse table - in order of priority */
1430         struct table {
1431                 const gchar *needle; /* token */
1432
1433                 /* token search function */
1434                 gchar    *(*search)     (const gchar *haystack,
1435                                          const gchar *needle);
1436                 /* part parsing function */
1437                 gboolean  (*parse)      (const gchar *start,
1438                                          const gchar *scanpos,
1439                                          const gchar **bp_,
1440                                          const gchar **ep_,
1441                                          gboolean hdr);
1442                 /* part to URI function */
1443                 gchar    *(*build_uri)  (const gchar *bp,
1444                                          const gchar *ep);
1445         };
1446
1447         static struct table parser[] = {
1448                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1449                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1450                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1451                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1452                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1453                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1454                 {"@",        strcasestr, get_email_part, make_email_string}
1455         };
1456         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1457
1458         gint  n;
1459         const gchar *walk, *bp, *ep;
1460
1461         struct txtpos {
1462                 const gchar     *bp, *ep;       /* text position */
1463                 gint             pti;           /* index in parse table */
1464                 struct txtpos   *next;          /* next */
1465         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1466
1467         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start);
1468         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end);
1469         mybuf = gtk_text_buffer_get_text(buffer, &start_iter, &end_iter, FALSE);
1470         offset = gtk_text_iter_get_offset(&start_iter);
1471
1472         /* parse for clickable parts, and build a list of begin and end positions  */
1473         for (walk = mybuf;;) {
1474                 gint last_index = PARSE_ELEMS;
1475                 gchar *scanpos = NULL;
1476
1477                 /* FIXME: this looks phony. scanning for anything in the parse table */
1478                 for (n = 0; n < PARSE_ELEMS; n++) {
1479                         gchar *tmp;
1480
1481                         tmp = parser[n].search(walk, parser[n].needle);
1482                         if (tmp) {
1483                                 if (scanpos == NULL || tmp < scanpos) {
1484                                         scanpos = tmp;
1485                                         last_index = n;
1486                                 }
1487                         }
1488                 }
1489
1490                 if (scanpos) {
1491                         /* check if URI can be parsed */
1492                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, FALSE)
1493                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1494                                         ADD_TXT_POS_LATER(bp, ep, last_index);
1495                                         walk = ep;
1496                         } else
1497                                 walk = scanpos +
1498                                         strlen(parser[last_index].needle);
1499                 } else
1500                         break;
1501         }
1502
1503         /* colorize this line */
1504         if (head.next) {
1505                 /* insert URIs */
1506                 for (last = head.next; last != NULL; last = last->next) {
1507                         ClickableText *uri;
1508                         gint start_offset, end_offset;
1509                         gchar *tmp_str;
1510                         gchar old_char;
1511                         uri = g_new0(ClickableText, 1);
1512                         uri->uri = parser[last->pti].build_uri(last->bp,
1513                                                                last->ep);
1514
1515                         tmp_str = mybuf;
1516                         old_char = tmp_str[last->ep - mybuf];
1517                         tmp_str[last->ep - mybuf] = '\0';
1518                         end_offset = g_utf8_strlen(tmp_str, -1);
1519                         tmp_str[last->ep - mybuf] = old_char;
1520
1521                         old_char = tmp_str[last->bp - mybuf];
1522                         tmp_str[last->bp - mybuf] = '\0';
1523                         start_offset = g_utf8_strlen(tmp_str, -1);
1524                         tmp_str[last->bp - mybuf] = old_char;
1525
1526                         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start_offset + offset);
1527                         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end_offset + offset);
1528
1529                         uri->start = gtk_text_iter_get_offset(&start_iter);
1530
1531                         gtk_text_buffer_apply_tag_by_name(buffer, "link", &start_iter, &end_iter);
1532
1533                         uri->end = gtk_text_iter_get_offset(&end_iter);
1534                         uri->filename = NULL;
1535                         textview->uri_list =
1536                                 g_slist_prepend(textview->uri_list, uri);
1537                 }
1538         }
1539
1540         g_free(mybuf);
1541 }
1542
1543 #undef ADD_TXT_POS
1544
1545 static void textview_write_line(TextView *textview, const gchar *str,
1546                                 CodeConverter *conv, gboolean do_quote_folding)
1547 {
1548         GtkTextView *text;
1549         GtkTextBuffer *buffer;
1550         GtkTextIter iter;
1551         gchar buf[BUFFSIZE];
1552         gchar *fg_color;
1553         gint quotelevel = -1, real_quotelevel = -1;
1554         gchar quote_tag_str[10];
1555
1556         text = GTK_TEXT_VIEW(textview->text);
1557         buffer = gtk_text_view_get_buffer(text);
1558         gtk_text_buffer_get_end_iter(buffer, &iter);
1559
1560         if (!conv)
1561                 strncpy2(buf, str, sizeof(buf));
1562         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1563                 conv_localetodisp(buf, sizeof(buf), str);
1564
1565         strcrchomp(buf);
1566         fg_color = NULL;
1567
1568         /* change color of quotation
1569            >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
1570            Up to 3 levels of quotations are detected, and each
1571            level is colored using a different color. */
1572         if (prefs_common.enable_color
1573             && line_has_quote_char(buf, prefs_common.quote_chars)) {
1574                 real_quotelevel = get_quote_level(buf, prefs_common.quote_chars);
1575                 quotelevel = real_quotelevel;
1576                 /* set up the correct foreground color */
1577                 if (quotelevel > 2) {
1578                         /* recycle colors */
1579                         if (prefs_common.recycle_quote_colors)
1580                                 quotelevel %= 3;
1581                         else
1582                                 quotelevel = 2;
1583                 }
1584         }
1585
1586         if (quotelevel == -1)
1587                 fg_color = NULL;
1588         else {
1589                 g_snprintf(quote_tag_str, sizeof(quote_tag_str),
1590                            "quote%d", quotelevel);
1591                 fg_color = quote_tag_str;
1592         }
1593
1594         if (prefs_common.enable_color) {
1595                 if (textview->is_diff) {
1596                         if (strncmp(buf, "+++ ", 4) == 0)
1597                                 fg_color = "diff-add-file";
1598                         else if (buf[0] == '+')
1599                                 fg_color = "diff-add";
1600                         else if (strncmp(buf, "--- ", 4) == 0)
1601                                 fg_color = "diff-del-file";
1602                         else if (buf[0] == '-')
1603                                 fg_color = "diff-del";
1604                         else if (strncmp(buf, "@@ ", 3) == 0 &&
1605                                         strcmp(buf+strlen(buf)-4, " @@\n") == 0)
1606                                 fg_color = "diff-hunk";
1607                 } else if (strcmp(buf,"-- \n") == 0
1608                                 || strcmp(buf, "- -- \n") == 0
1609                                 || textview->is_in_signature) {
1610                         fg_color = "signature";
1611                         textview->is_in_signature = TRUE;
1612                 }
1613         }
1614
1615         if (real_quotelevel > -1 && do_quote_folding) {
1616                 if (!g_utf8_validate(buf, -1, NULL)) {
1617                         gchar *utf8buf = NULL;
1618                         utf8buf = g_malloc(BUFFSIZE);
1619                         conv_localetodisp(utf8buf, BUFFSIZE, buf);
1620                         strncpy2(buf, utf8buf, BUFFSIZE-1);
1621                         g_free(utf8buf);
1622                 }
1623 do_quote:
1624                 if ( textview->prev_quote_level != real_quotelevel ) {
1625                         ClickableText *uri;
1626                         uri = g_new0(ClickableText, 1);
1627                         uri->uri = g_strdup("");
1628                         uri->data = g_strdup(buf);
1629                         uri->data_len = strlen(uri->data);
1630                         uri->start = gtk_text_iter_get_offset(&iter);
1631                         uri->is_quote = TRUE;
1632                         uri->quote_level = real_quotelevel;
1633                         uri->fg_color = g_strdup(fg_color);
1634
1635                         gtk_text_buffer_insert_with_tags_by_name
1636                                         (buffer, &iter, " [...]", -1,
1637                                          "qlink", fg_color, NULL);
1638                         uri->end = gtk_text_iter_get_offset(&iter);
1639                         gtk_text_buffer_insert(buffer, &iter, "  \n", -1);
1640
1641                         uri->filename = NULL;
1642                         textview->uri_list =
1643                                 g_slist_prepend(textview->uri_list, uri);
1644
1645                         textview->prev_quote_level = real_quotelevel;
1646                 } else {
1647                         GSList *last = textview->uri_list;
1648                         ClickableText *lasturi = NULL;
1649                         gint e_len = 0, n_len = 0;
1650
1651                         if (textview->uri_list) {
1652                                 lasturi = (ClickableText *)last->data;
1653                         } else {
1654                                 g_print("oops (%d %d)\n",
1655                                         real_quotelevel, textview->prev_quote_level);
1656                         }
1657                         if (lasturi) {
1658                                 if (lasturi->is_quote == FALSE) {
1659                                         textview->prev_quote_level = -1;
1660                                         goto do_quote;
1661                                 }
1662                                 e_len = lasturi->data ? lasturi->data_len:0;
1663                                 n_len = strlen(buf);
1664                                 lasturi->data = g_realloc((gchar *)lasturi->data, e_len + n_len + 1);
1665                                 strcpy((gchar *)lasturi->data + e_len, buf);
1666                                 *((gchar *)lasturi->data + e_len + n_len) = '\0';
1667                                 lasturi->data_len += n_len;
1668                         }
1669                 }
1670         } else {
1671                 textview_make_clickable_parts(textview, fg_color, "link", buf, FALSE);
1672                 textview->prev_quote_level = -1;
1673         }
1674 }
1675
1676 void textview_write_link(TextView *textview, const gchar *str,
1677                          const gchar *uri, CodeConverter *conv)
1678 {
1679         GtkTextView *text;
1680         GtkTextBuffer *buffer;
1681         GtkTextIter iter;
1682         gchar buf[BUFFSIZE];
1683         gchar *bufp;
1684         ClickableText *r_uri;
1685
1686         if (!str || *str == '\0')
1687                 return;
1688         if (!uri)
1689                 return;
1690
1691         while (uri && *uri && g_ascii_isspace(*uri))
1692                 uri++;
1693
1694         text = GTK_TEXT_VIEW(textview->text);
1695         buffer = gtk_text_view_get_buffer(text);
1696         gtk_text_buffer_get_end_iter(buffer, &iter);
1697
1698         if (!conv)
1699                 strncpy2(buf, str, sizeof(buf));
1700         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1701                 conv_utf8todisp(buf, sizeof(buf), str);
1702
1703         if (g_utf8_validate(buf, -1, NULL) == FALSE)
1704                 return;
1705
1706         strcrchomp(buf);
1707
1708         gtk_text_buffer_get_end_iter(buffer, &iter);
1709         for (bufp = buf; *bufp != '\0'; bufp = g_utf8_next_char(bufp)) {
1710                 gunichar ch;
1711
1712                 ch = g_utf8_get_char(bufp);
1713                 if (!g_unichar_isspace(ch))
1714                         break;
1715         }
1716         if (bufp > buf)
1717                 gtk_text_buffer_insert(buffer, &iter, buf, bufp - buf);
1718
1719         r_uri = g_new0(ClickableText, 1);
1720         r_uri->uri = g_strdup(uri);
1721         r_uri->start = gtk_text_iter_get_offset(&iter);
1722         gtk_text_buffer_insert_with_tags_by_name
1723                 (buffer, &iter, bufp, -1, "link", NULL);
1724         r_uri->end = gtk_text_iter_get_offset(&iter);
1725         r_uri->filename = NULL;
1726         textview->uri_list = g_slist_prepend(textview->uri_list, r_uri);
1727 }
1728
1729 static void textview_set_cursor(GdkWindow *window, GdkCursor *cursor)
1730 {
1731         if (GDK_IS_WINDOW(window))
1732                 gdk_window_set_cursor(window, cursor);
1733 }
1734 void textview_clear(TextView *textview)
1735 {
1736         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1737         GtkTextBuffer *buffer;
1738         GdkWindow *window = gtk_text_view_get_window(text,
1739                                 GTK_TEXT_WINDOW_TEXT);
1740
1741         buffer = gtk_text_view_get_buffer(text);
1742         gtk_text_buffer_set_text(buffer, "", -1);
1743
1744         TEXTVIEW_STATUSBAR_POP(textview);
1745         textview_uri_list_remove_all(textview->uri_list);
1746         textview->uri_list = NULL;
1747         textview->uri_hover = NULL;
1748         textview->prev_quote_level = -1;
1749
1750         textview->body_pos = 0;
1751         if (textview->image)
1752                 gtk_widget_destroy(textview->image);
1753         textview->image = NULL;
1754         textview->avatar_type = 0;
1755
1756         if (textview->messageview->mainwin->cursor_count == 0) {
1757                 textview_set_cursor(window, text_cursor);
1758         } else {
1759                 textview_set_cursor(window, watch_cursor);
1760         }
1761 }
1762
1763 void textview_destroy(TextView *textview)
1764 {
1765         GtkTextBuffer *buffer;
1766         GtkClipboard *clipboard;
1767
1768         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1769         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1770         gtk_text_buffer_remove_selection_clipboard(buffer, clipboard);
1771
1772         textview_uri_list_remove_all(textview->uri_list);
1773         textview->uri_list = NULL;
1774         textview->prev_quote_level = -1;
1775
1776         g_free(textview);
1777 }
1778
1779 #define CHANGE_TAG_FONT(tagname, font) { \
1780         tag = gtk_text_tag_table_lookup(tags, tagname); \
1781         if (tag) \
1782                 g_object_set(G_OBJECT(tag), "font-desc", font, NULL); \
1783 }
1784
1785 void textview_set_font(TextView *textview, const gchar *codeset)
1786 {
1787         GtkTextTag *tag;
1788         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1789         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
1790         PangoFontDescription *font_desc, *bold_font_desc;
1791
1792         font_desc = pango_font_description_from_string
1793                                         (NORMAL_FONT);
1794         if (font_desc) {
1795                 gtk_widget_modify_font(textview->text, font_desc);
1796                 CHANGE_TAG_FONT("header", font_desc);
1797                 CHANGE_TAG_FONT("hlink", font_desc);
1798                 pango_font_description_free(font_desc);
1799         }
1800         if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
1801                 bold_font_desc = pango_font_description_from_string
1802                                                 (NORMAL_FONT);
1803                 if (bold_font_desc)
1804                         pango_font_description_set_weight
1805                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
1806         } else {
1807                 bold_font_desc = pango_font_description_from_string
1808                                                 (BOLD_FONT);
1809         }
1810         if (bold_font_desc) {
1811                 CHANGE_TAG_FONT("header_title", bold_font_desc);
1812                 pango_font_description_free(bold_font_desc);
1813         }
1814
1815         if (prefs_common.textfont) {
1816                 PangoFontDescription *font_desc;
1817
1818                 font_desc = pango_font_description_from_string
1819                                                 (prefs_common.textfont);
1820                 if (font_desc) {
1821                         gtk_widget_modify_font(textview->text, font_desc);
1822                         pango_font_description_free(font_desc);
1823                 }
1824         }
1825         gtk_text_view_set_pixels_above_lines(GTK_TEXT_VIEW(textview->text),
1826                                              prefs_common.line_space / 2);
1827         gtk_text_view_set_pixels_below_lines(GTK_TEXT_VIEW(textview->text),
1828                                              prefs_common.line_space / 2);
1829 }
1830
1831 void textview_set_text(TextView *textview, const gchar *text)
1832 {
1833         GtkTextView *view;
1834         GtkTextBuffer *buffer;
1835
1836         cm_return_if_fail(textview != NULL);
1837         cm_return_if_fail(text != NULL);
1838
1839         textview_clear(textview);
1840
1841         view = GTK_TEXT_VIEW(textview->text);
1842         buffer = gtk_text_view_get_buffer(view);
1843         gtk_text_buffer_set_text(buffer, text, strlen(text));
1844 }
1845
1846 enum
1847 {
1848         H_DATE          = 0,
1849         H_FROM          = 1,
1850         H_TO            = 2,
1851         H_NEWSGROUPS    = 3,
1852         H_SUBJECT       = 4,
1853         H_CC            = 5,
1854         H_REPLY_TO      = 6,
1855         H_FOLLOWUP_TO   = 7,
1856         H_X_MAILER      = 8,
1857         H_X_NEWSREADER  = 9,
1858         H_USER_AGENT    = 10,
1859         H_ORGANIZATION  = 11,
1860 };
1861
1862 void textview_set_position(TextView *textview, gint pos)
1863 {
1864         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1865
1866         gtkut_text_view_set_position(text, pos);
1867 }
1868
1869 static gboolean header_is_internal(Header *header)
1870 {
1871         const gchar *internal_hdrs[] =
1872                 {"AF:", "NF:", "PS:", "SRH:", "SFN:", "DSR:", "MID:",
1873                  "CFG:", "PT:", "S:", "RQ:", "SSV:", "NSV:", "SSH:",
1874                  "R:", "MAID:", "SCF:", "RMID:", "FMID:", "NAID:",
1875                  "X-Claws-Account-Id:", "X-Claws-Sign:", "X-Claws-Encrypt:",
1876                  "X-Claws-Privacy-System:", "X-Claws-End-Special-Headers:",
1877                  "X-Sylpheed-Account-Id:", "X-Sylpheed-Sign:", "X-Sylpheed-Encrypt:",
1878                  "X-Claws-Auto-Wrapping:", "X-Claws-Auto-Indent:",
1879                  "X-Sylpheed-Privacy-System:", "X-Sylpheed-End-Special-Headers:",
1880                  NULL};
1881         int i;
1882
1883         for (i = 0; internal_hdrs[i]; i++) {
1884                 if (!strcmp(header->name, internal_hdrs[i]))
1885                         return TRUE;
1886         }
1887         return FALSE;
1888 }
1889
1890 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1891 {
1892         gchar buf[BUFFSIZE];
1893         GPtrArray *headers, *sorted_headers;
1894         GSList *disphdr_list;
1895         Header *header;
1896         gint i;
1897
1898         cm_return_val_if_fail(fp != NULL, NULL);
1899
1900         if (prefs_common.show_all_headers) {
1901                 headers = procheader_get_header_array_asis(fp);
1902                 sorted_headers = g_ptr_array_new();
1903                 for (i = 0; i < headers->len; i++) {
1904                         header = g_ptr_array_index(headers, i);
1905                         if (!header_is_internal(header))
1906                                 g_ptr_array_add(sorted_headers, header);
1907                         else
1908                                 procheader_header_free(header);
1909                 }
1910                 g_ptr_array_free(headers, TRUE);
1911                 return sorted_headers;
1912         }
1913
1914         if (!prefs_common.display_header) {
1915                 while (fgets(buf, sizeof(buf), fp) != NULL)
1916                         if (buf[0] == '\r' || buf[0] == '\n') break;
1917                 return NULL;
1918         }
1919
1920         headers = procheader_get_header_array_asis(fp);
1921
1922         sorted_headers = g_ptr_array_new();
1923
1924         for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1925              disphdr_list = disphdr_list->next) {
1926                 DisplayHeaderProp *dp =
1927                         (DisplayHeaderProp *)disphdr_list->data;
1928
1929                 for (i = 0; i < headers->len; i++) {
1930                         header = g_ptr_array_index(headers, i);
1931
1932                         if (procheader_headername_equal(header->name,
1933                                                         dp->name)) {
1934                                 if (dp->hidden)
1935                                         procheader_header_free(header);
1936                                 else
1937                                         g_ptr_array_add(sorted_headers, header);
1938
1939                                 g_ptr_array_remove_index(headers, i);
1940                                 i--;
1941                         }
1942                 }
1943         }
1944
1945         if (prefs_common.show_other_header) {
1946                 for (i = 0; i < headers->len; i++) {
1947                         header = g_ptr_array_index(headers, i);
1948                         if (!header_is_internal(header)) {
1949                                 g_ptr_array_add(sorted_headers, header);
1950                         } else {
1951                                 procheader_header_free(header);
1952                         }
1953                 }
1954                 g_ptr_array_free(headers, TRUE);
1955         } else
1956                 procheader_header_array_destroy(headers);
1957
1958
1959         return sorted_headers;
1960 }
1961
1962 static void textview_show_avatar(TextView *textview)
1963 {
1964         GtkAllocation allocation;
1965         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1966         MsgInfo *msginfo = textview->messageview->msginfo;
1967         int x = 0;
1968         AvatarRender *avatarr;
1969
1970         if (prefs_common.display_header_pane || !prefs_common.display_xface)
1971                 goto bail;
1972
1973         avatarr = avatars_avatarrender_new(msginfo);
1974         hooks_invoke(AVATAR_IMAGE_RENDER_HOOKLIST, avatarr);
1975
1976         if (!avatarr->image) {
1977                 avatars_avatarrender_free(avatarr);
1978                 goto bail;
1979         }
1980
1981         if (textview->image)
1982                 gtk_widget_destroy(textview->image);
1983
1984         textview->image = avatarr->image;
1985         textview->avatar_type = avatarr->type;
1986         avatarr->image = NULL; /* avoid destroying */
1987         avatars_avatarrender_free(avatarr);
1988
1989         gtk_widget_show(textview->image);
1990
1991         gtk_widget_get_allocation(textview->text, &allocation);
1992         x = allocation.width - WIDTH -5;
1993
1994         gtk_text_view_add_child_in_window(text, textview->image,
1995                 GTK_TEXT_WINDOW_TEXT, x, 5);
1996
1997         gtk_widget_show_all(textview->text);
1998
1999         return;
2000 bail:
2001         if (textview->image)
2002                 gtk_widget_destroy(textview->image);
2003         textview->image = NULL;
2004         textview->avatar_type = 0;
2005 }
2006
2007 void textview_show_icon(TextView *textview, const gchar *stock_id)
2008 {
2009         GtkAllocation allocation;
2010         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2011         int x = 0;
2012
2013         if (textview->image)
2014                 gtk_widget_destroy(textview->image);
2015
2016         textview->image = gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_DIALOG);
2017         cm_return_if_fail(textview->image != NULL);
2018
2019         gtk_widget_show(textview->image);
2020
2021         gtk_widget_get_allocation(textview->text, &allocation);
2022         x = allocation.width - WIDTH -5;
2023
2024         gtk_text_view_add_child_in_window(text, textview->image,
2025                 GTK_TEXT_WINDOW_TEXT, x, 5);
2026
2027         gtk_widget_show_all(textview->text);
2028
2029
2030         return;
2031 }
2032
2033 static void textview_save_contact_pic(TextView *textview)
2034 {
2035 #ifndef USE_NEW_ADDRBOOK
2036         MsgInfo *msginfo = textview->messageview->msginfo;
2037         gchar *filename = NULL;
2038         GError *error = NULL;
2039         GdkPixbuf *picture = NULL;
2040
2041         if (!msginfo->extradata || !msginfo->extradata->avatars)
2042                 return;
2043
2044         if (textview->avatar_type > AVATAR_FACE)
2045                 return;
2046
2047         if (textview->image)
2048                 picture = gtk_image_get_pixbuf(GTK_IMAGE(textview->image));
2049
2050         filename = addrindex_get_picture_file(msginfo->from);
2051         if (!filename)
2052                 return;
2053         if (!is_file_exist(filename)) {
2054                 gdk_pixbuf_save(picture, filename, "png", &error, NULL);
2055                 if (error) {
2056                         g_warning(_("Failed to save image: \n%s"),
2057                                         error->message);
2058                         g_error_free(error);
2059                 }
2060         }
2061         g_free(filename);
2062 #else
2063         /* new address book */
2064 #endif
2065 }
2066
2067 static void textview_show_contact_pic(TextView *textview)
2068 {
2069 #ifndef USE_NEW_ADDRBOOK
2070         MsgInfo *msginfo = textview->messageview->msginfo;
2071         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2072         int x = 0;
2073         gchar *filename = NULL;
2074         GError *error = NULL;
2075         GdkPixbuf *picture = NULL;
2076         gint w, h;
2077         GtkAllocation allocation;
2078
2079         if (prefs_common.display_header_pane
2080                 || !prefs_common.display_xface)
2081                 goto bail;
2082
2083         if (msginfo->extradata && msginfo->extradata->avatars)
2084                 return;
2085
2086         if (textview->image)
2087                 gtk_widget_destroy(textview->image);
2088
2089         filename = addrindex_get_picture_file(msginfo->from);
2090
2091         if (!filename)
2092                 goto bail;
2093         if (!is_file_exist(filename)) {
2094                 g_free(filename);
2095                 goto bail;
2096         }
2097
2098         gdk_pixbuf_get_file_info(filename, &w, &h);
2099
2100         if (w > 48 || h > 48)
2101                 picture = gdk_pixbuf_new_from_file_at_scale(filename,
2102                                                 48, 48, TRUE, &error);
2103         else
2104                 picture = gdk_pixbuf_new_from_file(filename, &error);
2105
2106         if (error) {
2107                 debug_print("Failed to import image: \n%s",
2108                                 error->message);
2109                 g_error_free(error);
2110                 goto bail;
2111         }
2112         g_free(filename);
2113
2114         if (picture) {
2115                 textview->image = gtk_image_new_from_pixbuf(picture);
2116                 g_object_unref(picture);
2117         }
2118         cm_return_if_fail(textview->image != NULL);
2119
2120         gtk_widget_show(textview->image);
2121
2122         gtk_widget_get_allocation(textview->text, &allocation);
2123         x = allocation.width - WIDTH -5;
2124
2125         gtk_text_view_add_child_in_window(text, textview->image,
2126                 GTK_TEXT_WINDOW_TEXT, x, 5);
2127
2128         gtk_widget_show_all(textview->text);
2129
2130         return;
2131 bail:
2132         if (textview->image)
2133                 gtk_widget_destroy(textview->image);
2134         textview->image = NULL;
2135         textview->avatar_type = 0;
2136 #else
2137         /* new address book */
2138 #endif
2139 }
2140
2141 static gint textview_tag_cmp_list(gconstpointer a, gconstpointer b)
2142 {
2143         gint id_a = GPOINTER_TO_INT(a);
2144         gint id_b = GPOINTER_TO_INT(b);
2145         const gchar *tag_a = tags_get_tag(id_a);
2146         const gchar *tag_b = tags_get_tag(id_b);
2147
2148         if (tag_a == NULL)
2149                 return tag_b == NULL ? 0:1;
2150
2151         if (tag_b == NULL)
2152                 return tag_a == NULL ? 0:1;
2153
2154         return g_utf8_collate(tag_a, tag_b);
2155 }
2156
2157
2158 static void textview_show_tags(TextView *textview)
2159 {
2160         MsgInfo *msginfo = textview->messageview->msginfo;
2161         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2162         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2163         GtkTextIter iter;
2164         ClickableText *uri;
2165         GSList *cur, *orig;
2166         gboolean found_tag = FALSE;
2167
2168         if (!msginfo->tags)
2169                 return;
2170
2171         cur = orig = g_slist_sort(g_slist_copy(msginfo->tags), textview_tag_cmp_list);
2172
2173         for (; cur; cur = cur->next) {
2174                 if (tags_get_tag(GPOINTER_TO_INT(cur->data)) != NULL) {
2175                         found_tag = TRUE;
2176                         break;
2177                 }
2178         }
2179         if (!found_tag) {
2180                 g_slist_free(orig);
2181                 return;
2182         }
2183
2184         gtk_text_buffer_get_end_iter (buffer, &iter);
2185         gtk_text_buffer_insert_with_tags_by_name(buffer,
2186                 &iter, _("Tags: "), -1,
2187                 "header_title", "header", "tags", NULL);
2188
2189         for (cur = orig; cur; cur = cur->next) {
2190                 const gchar *cur_tag = tags_get_tag(GPOINTER_TO_INT(cur->data));
2191                 if (!cur_tag)
2192                         continue;
2193                 uri = g_new0(ClickableText, 1);
2194                 uri->uri = g_strdup("");
2195                 uri->start = gtk_text_iter_get_offset(&iter);
2196                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
2197                         cur_tag, -1,
2198                         "link", "header", "tags", NULL);
2199                 uri->end = gtk_text_iter_get_offset(&iter);
2200                 uri->filename = g_strdup_printf("sc://search_tags:%s", cur_tag);
2201                 uri->data = NULL;
2202                 textview->uri_list =
2203                         g_slist_prepend(textview->uri_list, uri);
2204                 if (cur->next && tags_get_tag(GPOINTER_TO_INT(cur->next->data)))
2205                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, ", ", 2,
2206                                 "header", "tags", NULL);
2207                 else
2208                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, " ", 1,
2209                                 "header", "tags", NULL);
2210         }
2211         g_slist_free(orig);
2212
2213         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2214                 "header", "tags", NULL);
2215 }
2216
2217 static void textview_show_header(TextView *textview, GPtrArray *headers)
2218 {
2219         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2220         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2221         GtkTextIter iter;
2222         Header *header;
2223         gint i;
2224
2225         cm_return_if_fail(headers != NULL);
2226
2227         for (i = 0; i < headers->len; i++) {
2228                 header = g_ptr_array_index(headers, i);
2229                 cm_return_if_fail(header->name != NULL);
2230
2231                 gtk_text_buffer_get_end_iter (buffer, &iter);
2232                 if(prefs_common.trans_hdr == TRUE) {
2233                         gchar *hdr = g_strndup(header->name, strlen(header->name) - 1);
2234                         gchar *trans_hdr = gettext(hdr);
2235                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2236                                 &iter, trans_hdr, -1,
2237                                 "header_title", "header", NULL);
2238                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2239                                 &iter, ":", 1, "header_title", "header", NULL);
2240                         g_free(hdr);
2241                 } else {
2242                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2243                                 &iter, header->name,
2244                                 -1, "header_title", "header", NULL);
2245                 }
2246                 if (header->name[strlen(header->name) - 1] != ' ')
2247                 gtk_text_buffer_insert_with_tags_by_name
2248                                 (buffer, &iter, " ", 1,
2249                                  "header_title", "header", NULL);
2250
2251                 if (procheader_headername_equal(header->name, "Subject") ||
2252                     procheader_headername_equal(header->name, "From")    ||
2253                     procheader_headername_equal(header->name, "To")      ||
2254                     procheader_headername_equal(header->name, "Cc"))
2255                         unfold_line(header->body);
2256
2257                 if (procheader_headername_equal(header->name, "Date") &&
2258                     prefs_common.msgview_date_format) {
2259                         gchar hbody[80];
2260
2261                         procheader_date_parse(hbody, header->body, sizeof(hbody));
2262                         gtk_text_buffer_get_end_iter (buffer, &iter);
2263                         gtk_text_buffer_insert_with_tags_by_name
2264                                 (buffer, &iter, hbody, -1, "header", NULL);
2265                 } else if ((procheader_headername_equal(header->name, "X-Mailer") ||
2266                                 procheader_headername_equal(header->name,
2267                                                  "X-Newsreader")) &&
2268                                 (strstr(header->body, "Claws Mail") != NULL ||
2269                                 strstr(header->body, "Sylpheed-Claws") != NULL)) {
2270                         gtk_text_buffer_get_end_iter (buffer, &iter);
2271                         gtk_text_buffer_insert_with_tags_by_name
2272                                 (buffer, &iter, header->body, -1,
2273                                  "header", "emphasis", NULL);
2274                 } else {
2275                         gboolean hdr =
2276                           procheader_headername_equal(header->name, "From") ||
2277                           procheader_headername_equal(header->name, "To") ||
2278                           procheader_headername_equal(header->name, "Cc") ||
2279                           procheader_headername_equal(header->name, "Bcc") ||
2280                           procheader_headername_equal(header->name, "Reply-To") ||
2281                           procheader_headername_equal(header->name, "Sender");
2282                         textview_make_clickable_parts(textview, "header",
2283                                                       "hlink", header->body,
2284                                                       hdr);
2285                 }
2286                 gtk_text_buffer_get_end_iter (buffer, &iter);
2287                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2288                                                          "header", NULL);
2289         }
2290
2291         textview_show_avatar(textview);
2292
2293         textview_save_contact_pic(textview);
2294         textview_show_contact_pic(textview);
2295 }
2296
2297 gboolean textview_search_string(TextView *textview, const gchar *str,
2298                                 gboolean case_sens)
2299 {
2300         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2301
2302         return gtkut_text_view_search_string(text, str, case_sens);
2303 }
2304
2305 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
2306                                          gboolean case_sens)
2307 {
2308         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2309
2310         return gtkut_text_view_search_string_backward(text, str, case_sens);
2311 }
2312
2313 void textview_scroll_one_line(TextView *textview, gboolean up)
2314 {
2315         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2316         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2317
2318         gtkutils_scroll_one_line(GTK_WIDGET(text), vadj, up);
2319 }
2320
2321 gboolean textview_scroll_page(TextView *textview, gboolean up)
2322 {
2323         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2324         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2325
2326         return gtkutils_scroll_page(GTK_WIDGET(text), vadj, up);
2327 }
2328
2329 void textview_scroll_max(TextView *textview, gboolean up)
2330 {
2331         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2332         GtkTextIter iter;
2333
2334         if (up) {
2335                 gtk_text_buffer_get_start_iter(buffer, &iter);
2336                 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview->text),
2337                                                 &iter, 0.0, TRUE, 0.0, 1.0);
2338
2339         } else {
2340                 gtk_text_buffer_get_end_iter(buffer, &iter);
2341                 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview->text),
2342                                                 &iter, 0.0, TRUE, 0.0, 0.0);
2343         }
2344 }
2345
2346 #define KEY_PRESS_EVENT_STOP() \
2347         g_signal_stop_emission_by_name(G_OBJECT(widget), \
2348                                        "key_press_event");
2349
2350 static gint textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2351                                  TextView *textview)
2352 {
2353         GdkWindow *window;
2354         SummaryView *summaryview = NULL;
2355         MessageView *messageview = textview->messageview;
2356
2357         if (!event) return FALSE;
2358         if (messageview->mainwin)
2359                 summaryview = messageview->mainwin->summaryview;
2360
2361         switch (event->keyval) {
2362         case GDK_KEY_Tab:
2363         case GDK_KEY_Left:
2364         case GDK_KEY_Up:
2365         case GDK_KEY_Right:
2366         case GDK_KEY_Down:
2367         case GDK_KEY_Page_Up:
2368         case GDK_KEY_Page_Down:
2369         case GDK_KEY_Control_L:
2370         case GDK_KEY_Control_R:
2371                 return FALSE;
2372         case GDK_KEY_Home:
2373         case GDK_KEY_End:
2374                 textview_scroll_max(textview,(event->keyval == GDK_KEY_Home));
2375                 return TRUE;
2376         case GDK_KEY_space:
2377                 if (summaryview)
2378                         summary_pass_key_press_event(summaryview, event);
2379                 else
2380                         mimeview_scroll_page
2381                                 (messageview->mimeview,
2382                                  (event->state &
2383                                   (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2384                 break;
2385         case GDK_KEY_BackSpace:
2386                 mimeview_scroll_page(messageview->mimeview, TRUE);
2387                 break;
2388         case GDK_KEY_Return:
2389         case GDK_KEY_KP_Enter:
2390                 mimeview_scroll_one_line
2391                         (messageview->mimeview, (event->state &
2392                                     (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2393                 break;
2394         case GDK_KEY_Delete:
2395                 if (summaryview)
2396                         summary_pass_key_press_event(summaryview, event);
2397                 break;
2398         default:
2399                 window = gtk_widget_get_window(messageview->mainwin->window);
2400                 if (summaryview &&
2401                     event->window != window) {
2402                         GdkEventKey tmpev = *event;
2403
2404                         tmpev.window = window;
2405                         KEY_PRESS_EVENT_STOP();
2406                         gtk_widget_event(messageview->mainwin->window,
2407                                          (GdkEvent *)&tmpev);
2408                 }
2409                 break;
2410         }
2411
2412         return TRUE;
2413 }
2414
2415 static gboolean textview_motion_notify(GtkWidget *widget,
2416                                        GdkEventMotion *event,
2417                                        TextView *textview)
2418 {
2419         if (textview->loading)
2420                 return FALSE;
2421         textview_uri_update(textview, event->x, event->y);
2422         gdk_window_get_pointer(gtk_widget_get_window(widget), NULL, NULL, NULL);
2423
2424         return FALSE;
2425 }
2426
2427 static gboolean textview_leave_notify(GtkWidget *widget,
2428                                       GdkEventCrossing *event,
2429                                       TextView *textview)
2430 {
2431         if (textview->loading)
2432                 return FALSE;
2433         textview_uri_update(textview, -1, -1);
2434
2435         return FALSE;
2436 }
2437
2438 static gboolean textview_visibility_notify(GtkWidget *widget,
2439                                            GdkEventVisibility *event,
2440                                            TextView *textview)
2441 {
2442         gint wx, wy;
2443         GdkWindow *window;
2444
2445         if (textview->loading)
2446                 return FALSE;
2447
2448         window = gtk_text_view_get_window(GTK_TEXT_VIEW(widget),
2449                                           GTK_TEXT_WINDOW_TEXT);
2450
2451         /* check if occurred for the text window part */
2452         if (window != event->window)
2453                 return FALSE;
2454
2455         gdk_window_get_pointer(gtk_widget_get_window(widget), &wx, &wy, NULL);
2456         textview_uri_update(textview, wx, wy);
2457
2458         return FALSE;
2459 }
2460
2461 void textview_cursor_wait(TextView *textview)
2462 {
2463         GdkWindow *window = gtk_text_view_get_window(
2464                         GTK_TEXT_VIEW(textview->text),
2465                         GTK_TEXT_WINDOW_TEXT);
2466         textview_set_cursor(window, watch_cursor);
2467 }
2468
2469 void textview_cursor_normal(TextView *textview)
2470 {
2471         GdkWindow *window = gtk_text_view_get_window(
2472                         GTK_TEXT_VIEW(textview->text),
2473                         GTK_TEXT_WINDOW_TEXT);
2474         textview_set_cursor(window, text_cursor);
2475 }
2476
2477 static void textview_uri_update(TextView *textview, gint x, gint y)
2478 {
2479         GtkTextBuffer *buffer;
2480         GtkTextIter start_iter, end_iter;
2481         ClickableText *uri = NULL;
2482
2483         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2484
2485         if (x != -1 && y != -1) {
2486                 gint bx, by;
2487                 GtkTextIter iter;
2488                 GSList *tags;
2489                 GSList *cur;
2490
2491                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview->text),
2492                                                       GTK_TEXT_WINDOW_WIDGET,
2493                                                       x, y, &bx, &by);
2494                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview->text),
2495                                                    &iter, bx, by);
2496
2497                 tags = gtk_text_iter_get_tags(&iter);
2498                 for (cur = tags; cur != NULL; cur = cur->next) {
2499                         GtkTextTag *tag = cur->data;
2500                         char *name;
2501
2502                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
2503
2504                         if ((!strcmp(name, "link") || !strcmp(name, "hlink"))
2505                             && textview_get_uri_range(textview, &iter, tag,
2506                                                       &start_iter, &end_iter)) {
2507
2508                                 uri = textview_get_uri_from_range(textview,
2509                                                                   &iter, tag,
2510                                                                   &start_iter,
2511                                                                   &end_iter);
2512                         }
2513                         g_free(name);
2514                         if (uri)
2515                                 break;
2516                 }
2517                 g_slist_free(tags);
2518         }
2519
2520         if (uri != textview->uri_hover) {
2521                 GdkWindow *window;
2522
2523                 if (textview->uri_hover)
2524                         gtk_text_buffer_remove_tag_by_name(buffer,
2525                                                            "link-hover",
2526                                                            &textview->uri_hover_start_iter,
2527                                                            &textview->uri_hover_end_iter);
2528
2529                 textview->uri_hover = uri;
2530                 if (uri) {
2531                         textview->uri_hover_start_iter = start_iter;
2532                         textview->uri_hover_end_iter = end_iter;
2533                 }
2534
2535                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview->text),
2536                                                   GTK_TEXT_WINDOW_TEXT);
2537                 if (textview->messageview->mainwin->cursor_count == 0) {
2538                         textview_set_cursor(window, uri ? hand_cursor : text_cursor);
2539                 } else {
2540                         textview_set_cursor(window, watch_cursor);
2541                 }
2542
2543                 TEXTVIEW_STATUSBAR_POP(textview);
2544
2545                 if (uri) {
2546                         if (!uri->is_quote)
2547                                 gtk_text_buffer_apply_tag_by_name(buffer,
2548                                                           "link-hover",
2549                                                           &start_iter,
2550                                                           &end_iter);
2551                         TEXTVIEW_STATUSBAR_PUSH(textview, uri->uri);
2552                 }
2553         }
2554 }
2555
2556 static gboolean textview_get_uri_range(TextView *textview,
2557                                        GtkTextIter *iter,
2558                                        GtkTextTag *tag,
2559                                        GtkTextIter *start_iter,
2560                                        GtkTextIter *end_iter)
2561 {
2562         return get_tag_range(iter, tag, start_iter, end_iter);
2563 }
2564
2565 static ClickableText *textview_get_uri_from_range(TextView *textview,
2566                                               GtkTextIter *iter,
2567                                               GtkTextTag *tag,
2568                                               GtkTextIter *start_iter,
2569                                               GtkTextIter *end_iter)
2570 {
2571         gint start_pos, end_pos, cur_pos;
2572         ClickableText *uri = NULL;
2573         GSList *cur;
2574
2575         start_pos = gtk_text_iter_get_offset(start_iter);
2576         end_pos = gtk_text_iter_get_offset(end_iter);
2577         cur_pos = gtk_text_iter_get_offset(iter);
2578
2579         for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
2580                 ClickableText *uri_ = (ClickableText *)cur->data;
2581                 if (start_pos == uri_->start &&
2582                     end_pos ==  uri_->end) {
2583                         uri = uri_;
2584                         break;
2585                 }
2586         }
2587         for (cur = textview->uri_list; uri == NULL && cur != NULL; cur = cur->next) {
2588                 ClickableText *uri_ = (ClickableText *)cur->data;
2589                 if (start_pos == uri_->start ||
2590                            end_pos == uri_->end) {
2591                         /* in case of contiguous links, textview_get_uri_range
2592                          * returns a broader range (start of 1st link to end
2593                          * of last link).
2594                          * In that case, correct link is the one covering
2595                          * current iter.
2596                          */
2597                         if (uri_->start <= cur_pos && cur_pos <= uri_->end) {
2598                                 uri = uri_;
2599                                 break;
2600                         }
2601                 }
2602         }
2603
2604         return uri;
2605 }
2606
2607 static ClickableText *textview_get_uri(TextView *textview,
2608                                    GtkTextIter *iter,
2609                                    GtkTextTag *tag)
2610 {
2611         GtkTextIter start_iter, end_iter;
2612         ClickableText *uri = NULL;
2613
2614         if (textview_get_uri_range(textview, iter, tag, &start_iter,
2615                                    &end_iter))
2616                 uri = textview_get_uri_from_range(textview, iter, tag,
2617                                                   &start_iter, &end_iter);
2618
2619         return uri;
2620 }
2621
2622 static void textview_shift_uris_after(TextView *textview, GSList *start_list, gint start, gint shift)
2623 {
2624         GSList *cur;
2625         if (!start_list)
2626                 start_list = textview->uri_list;
2627
2628         for (cur = start_list; cur; cur = cur->next) {
2629                 ClickableText *uri = (ClickableText *)cur->data;
2630                 if (uri->start <= start)
2631                         continue;
2632                 uri->start += shift;
2633                 uri->end += shift;
2634         }
2635 }
2636
2637 static void textview_remove_uris_in(TextView *textview, gint start, gint end)
2638 {
2639         GSList *cur;
2640         for (cur = textview->uri_list; cur; ) {
2641                 ClickableText *uri = (ClickableText *)cur->data;
2642                 if (uri->start > start && uri->end < end) {
2643                         cur = cur->next;
2644                         textview->uri_list = g_slist_remove(textview->uri_list, uri);
2645                         g_free(uri->uri);
2646                         g_free(uri->filename);
2647                         if (uri->is_quote) {
2648                                 g_free(uri->fg_color);
2649                                 g_free(uri->data);
2650                                 /* (only free data in quotes uris) */
2651                         }
2652                         g_free(uri);
2653                 } else {
2654                         cur = cur->next;
2655                 }
2656
2657         }
2658 }
2659
2660 static void textview_toggle_quote(TextView *textview, GSList *start_list, ClickableText *uri, gboolean expand_only)
2661 {
2662         GtkTextIter start, end;
2663         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2664
2665         if (!uri->is_quote)
2666                 return;
2667
2668         if (uri->q_expanded && expand_only)
2669                 return;
2670
2671         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2672         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2673         if (textview->uri_hover)
2674                 gtk_text_buffer_remove_tag_by_name(buffer,
2675                                                    "link-hover",
2676                                                    &textview->uri_hover_start_iter,
2677                                                    &textview->uri_hover_end_iter);
2678         textview->uri_hover = NULL;
2679         gtk_text_buffer_remove_tag_by_name(buffer,
2680                                            "qlink",
2681                                            &start,
2682                                            &end);
2683         /* when shifting URIs start and end, we have to do it per-UTF8-char
2684          * so use g_utf8_strlen(). OTOH, when inserting in the text buffer,
2685          * we have to pass a number of bytes, so use strlen(). disturbing. */
2686
2687         if (!uri->q_expanded) {
2688                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2689                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2690                 textview_shift_uris_after(textview, start_list, uri->start,
2691                         g_utf8_strlen((gchar *)uri->data, -1)-strlen(" [...]\n"));
2692                 gtk_text_buffer_delete(buffer, &start, &end);
2693                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2694                 gtk_text_buffer_insert_with_tags_by_name
2695                                 (buffer, &start, (gchar *)uri->data,
2696                                  strlen((gchar *)uri->data)-1,
2697                                  "qlink", (gchar *)uri->fg_color, NULL);
2698                 uri->end = gtk_text_iter_get_offset(&start);
2699                 textview_make_clickable_parts_later(textview,
2700                                           uri->start, uri->end);
2701                 uri->q_expanded = TRUE;
2702         } else {
2703                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2704                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2705                 textview_remove_uris_in(textview, uri->start, uri->end);
2706                 textview_shift_uris_after(textview, start_list, uri->start,
2707                         strlen(" [...]\n")-g_utf8_strlen((gchar *)uri->data, -1));
2708                 gtk_text_buffer_delete(buffer, &start, &end);
2709                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2710                 gtk_text_buffer_insert_with_tags_by_name
2711                                 (buffer, &start, " [...]", -1,
2712                                  "qlink", (gchar *)uri->fg_color, NULL);
2713                 uri->end = gtk_text_iter_get_offset(&start);
2714                 uri->q_expanded = FALSE;
2715         }
2716         if (textview->messageview->mainwin->cursor_count == 0) {
2717                 textview_cursor_normal(textview);
2718         } else {
2719                 textview_cursor_wait(textview);
2720         }
2721 }
2722 static gboolean textview_uri_button_pressed(GtkTextTag *tag, GObject *obj,
2723                                             GdkEvent *event, GtkTextIter *iter,
2724                                             TextView *textview)
2725 {
2726         GdkEventButton *bevent;
2727         ClickableText *uri = NULL;
2728         char *tagname;
2729         gboolean qlink = FALSE;
2730
2731         if (!event)
2732                 return FALSE;
2733
2734         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
2735                 && event->type != GDK_MOTION_NOTIFY)
2736                 return FALSE;
2737
2738         uri = textview_get_uri(textview, iter, tag);
2739         if (!uri)
2740                 return FALSE;
2741
2742         g_object_get(G_OBJECT(tag), "name", &tagname, NULL);
2743
2744         if (!strcmp(tagname, "qlink"))
2745                 qlink = TRUE;
2746
2747         g_free(tagname);
2748
2749         bevent = (GdkEventButton *) event;
2750
2751         /* doubleclick: open compose / add address / browser */
2752         if (qlink && event->type == GDK_BUTTON_PRESS && bevent->button != 1) {
2753                 /* pass rightclick through */
2754                 return FALSE;
2755         } else if ((event->type == (qlink ? GDK_2BUTTON_PRESS:GDK_BUTTON_PRESS) && bevent->button == 1) ||
2756                 bevent->button == 2 || bevent->button == 3) {
2757                 if (uri->filename && !g_ascii_strncasecmp(uri->filename, "sc://", 5)) {
2758                         MimeView *mimeview =
2759                                 (textview->messageview)?
2760                                         textview->messageview->mimeview:NULL;
2761                         if (mimeview && bevent->button == 1) {
2762                                 mimeview_handle_cmd(mimeview, uri->filename, NULL, uri->data);
2763                         } else if (mimeview && bevent->button == 2 &&
2764                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2765                                 mimeview_handle_cmd(mimeview, "sc://open_attachment", NULL, uri->data);
2766                         } else if (mimeview && bevent->button == 3 &&
2767                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2768                                 mimeview_handle_cmd(mimeview, "sc://menu_attachment", bevent, uri->data);
2769                         }
2770                         return TRUE;
2771                 } else if (qlink && bevent->button == 1) {
2772                         if (prefs_common.hide_quoted)
2773                                 textview_toggle_quote(textview, NULL, uri, FALSE);
2774                         return TRUE;
2775                 } else if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) {
2776                         if (bevent->button == 3) {
2777                                 g_object_set_data(
2778                                         G_OBJECT(textview->mail_popup_menu),
2779                                         "menu_button", uri);
2780                                 gtk_menu_popup(GTK_MENU(textview->mail_popup_menu),
2781                                                NULL, NULL, NULL, NULL,
2782                                                bevent->button, bevent->time);
2783                         } else {
2784                                 PrefsAccount *account = NULL;
2785                                 FolderItem   *folder_item = NULL;
2786                                 Compose *compose;
2787
2788                                 if (textview->messageview && textview->messageview->msginfo &&
2789                                     textview->messageview->msginfo->folder) {
2790
2791
2792                                         folder_item = textview->messageview->msginfo->folder;
2793                                         if (folder_item->prefs && folder_item->prefs->enable_default_account)
2794                                                 account = account_find_from_id(folder_item->prefs->default_account);
2795                                         if (!account)
2796                                                 account = account_find_from_item(folder_item);
2797                                 }
2798                                 compose = compose_new_with_folderitem(account,
2799                                                                 folder_item, uri->uri + 7);
2800                                 compose_check_for_email_account(compose);
2801                         }
2802                         return TRUE;
2803                 } else if (g_ascii_strncasecmp(uri->uri, "file:", 5)) {
2804                         if (bevent->button == 1 &&
2805                             textview_uri_security_check(textview, uri) == TRUE)
2806                                         open_uri(uri->uri,
2807                                                  prefs_common_get_uri_cmd());
2808                         else if (bevent->button == 3 && !qlink) {
2809                                 g_object_set_data(
2810                                         G_OBJECT(textview->link_popup_menu),
2811                                         "menu_button", uri);
2812                                 gtk_menu_popup(GTK_MENU(textview->link_popup_menu),
2813                                                NULL, NULL, NULL, NULL,
2814                                                bevent->button, bevent->time);
2815                         }
2816                         return TRUE;
2817                 } else {
2818                         if (bevent->button == 3 && !qlink) {
2819                                 g_object_set_data(
2820                                         G_OBJECT(textview->file_popup_menu),
2821                                         "menu_button", uri);
2822                                 gtk_menu_popup(GTK_MENU(textview->file_popup_menu),
2823                                                NULL, NULL, NULL, NULL,
2824                                                bevent->button, bevent->time);
2825                                 return TRUE;
2826                         }
2827                 }
2828         }
2829
2830         return FALSE;
2831 }
2832
2833 gchar *textview_get_visible_uri         (TextView       *textview,
2834                                          ClickableText  *uri)
2835 {
2836         GtkTextBuffer *buffer;
2837         GtkTextIter start, end;
2838
2839         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2840
2841         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2842         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2843
2844         return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
2845 }
2846
2847 /*!
2848  *\brief    Check to see if a web URL has been disguised as a different
2849  *          URL (possible with HTML email).
2850  *
2851  *\param    uri The uri to check
2852  *
2853  *\param    textview The TextView the URL is contained in
2854  *
2855  *\return   gboolean TRUE if the URL is ok, or if the user chose to open
2856  *          it anyway, otherwise FALSE
2857  */
2858 gboolean textview_uri_security_check(TextView *textview, ClickableText *uri)
2859 {
2860         gchar *visible_str;
2861         gboolean retval = TRUE;
2862
2863         if (is_uri_string(uri->uri) == FALSE)
2864                 return TRUE;
2865
2866         visible_str = textview_get_visible_uri(textview, uri);
2867         if (visible_str == NULL)
2868                 return TRUE;
2869
2870         g_strstrip(visible_str);
2871
2872         if (strcmp(visible_str, uri->uri) != 0 && is_uri_string(visible_str)) {
2873                 gchar *uri_path;
2874                 gchar *visible_uri_path;
2875
2876                 uri_path = get_uri_path(uri->uri);
2877                 visible_uri_path = get_uri_path(visible_str);
2878                 if (path_cmp(uri_path, visible_uri_path) != 0)
2879                         retval = FALSE;
2880         }
2881
2882         if (retval == FALSE) {
2883                 gchar *msg;
2884                 AlertValue aval;
2885
2886                 msg = g_markup_printf_escaped(_("The real URL is different from "
2887                                                 "the displayed URL.\n"
2888                                                 "\n"
2889                                                 "<b>Displayed URL:</b> %s\n"
2890                                                 "\n"
2891                                                 "<b>Real URL:</b> %s\n"
2892                                                 "\n"
2893                                                 "Open it anyway?"),
2894                                                visible_str,uri->uri);
2895                 aval = alertpanel_full(_("Phishing attempt warning"), msg,
2896                                        GTK_STOCK_CANCEL, _("_Open URL"), NULL, FALSE,
2897                                        NULL, ALERT_WARNING, G_ALERTDEFAULT);
2898                 g_free(msg);
2899                 if (aval == G_ALERTALTERNATE)
2900                         retval = TRUE;
2901         }
2902
2903         g_free(visible_str);
2904
2905         return retval;
2906 }
2907
2908 static void textview_uri_list_remove_all(GSList *uri_list)
2909 {
2910         GSList *cur;
2911
2912         for (cur = uri_list; cur != NULL; cur = cur->next) {
2913                 if (cur->data) {
2914                         g_free(((ClickableText *)cur->data)->uri);
2915                         g_free(((ClickableText *)cur->data)->filename);
2916                         if (((ClickableText *)cur->data)->is_quote) {
2917                                 g_free(((ClickableText *)cur->data)->fg_color);
2918                                 g_free(((ClickableText *)cur->data)->data);
2919                                 /* (only free data in quotes uris) */
2920                         }
2921                         g_free(cur->data);
2922                 }
2923         }
2924
2925         g_slist_free(uri_list);
2926 }
2927
2928 static void open_uri_cb (GtkAction *action, TextView *textview)
2929 {
2930         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2931                                            "menu_button");
2932         const gchar *raw_url = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2933                                            "raw_url");
2934
2935         if (uri) {
2936                 if (textview_uri_security_check(textview, uri) == TRUE)
2937                         open_uri(uri->uri,
2938                                  prefs_common_get_uri_cmd());
2939                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2940                                   NULL);
2941         }
2942         if (raw_url) {
2943                 open_uri(raw_url, prefs_common_get_uri_cmd());
2944                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
2945                                   NULL);
2946         }
2947 }
2948
2949 static void open_image_cb (GtkAction *action, TextView *textview)
2950 {
2951         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
2952                                            "menu_button");
2953
2954         gchar *cmd = NULL;
2955         gchar buf[1024];
2956         const gchar *p;
2957         gchar *filename = NULL;
2958         gchar *tmp_filename = NULL;
2959
2960         if (uri == NULL)
2961                 return;
2962
2963         if (uri->filename == NULL)
2964                 return;
2965
2966         filename = g_strdup(uri->filename);
2967
2968         if (!g_utf8_validate(filename, -1, NULL)) {
2969                 gchar *tmp = conv_filename_to_utf8(filename);
2970                 g_free(filename);
2971                 filename = tmp;
2972         }
2973
2974         subst_for_filename(filename);
2975
2976         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
2977         copy_file(tmp_filename, filename, FALSE);
2978         g_free(tmp_filename);
2979
2980         cmd = mailcap_get_command_for_type("image/jpeg", filename);
2981         if (cmd == NULL) {
2982                 gboolean remember = FALSE;
2983                 cmd = input_dialog_combo_remember
2984                         (_("Open with"),
2985                          _("Enter the command-line to open file:\n"
2986                            "('%s' will be replaced with file name)"),
2987                          prefs_common.mime_open_cmd,
2988                          prefs_common.mime_open_cmd_history,
2989                          &remember);
2990                 if (cmd && remember) {
2991                         mailcap_update_default("image/jpeg", cmd);
2992                 }
2993         }
2994         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2995             !strchr(p + 2, '%'))
2996                 g_snprintf(buf, sizeof(buf), cmd, filename);
2997         else {
2998                 g_warning("Image viewer command-line is invalid: '%s'", cmd);
2999                 return;
3000         }
3001
3002         execute_command_line(buf, TRUE);
3003
3004         g_free(filename);
3005         g_free(cmd);
3006
3007         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
3008                           NULL);
3009 }
3010
3011 static void save_file_cb (GtkAction *action, TextView *textview)
3012 {
3013         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
3014                                            "menu_button");
3015         gchar *filename = NULL;
3016         gchar *filepath = NULL;
3017         gchar *filedir = NULL;
3018         gchar *tmp_filename = NULL;
3019         GtkWidget *window;
3020
3021         if (uri == NULL)
3022                 return;
3023
3024         if (uri->filename == NULL)
3025                 return;
3026
3027         filename = g_strdup(uri->filename);
3028
3029         if (!g_utf8_validate(filename, -1, NULL)) {
3030                 gchar *tmp = conv_filename_to_utf8(filename);
3031                 g_free(filename);
3032                 filename = tmp;
3033         }
3034
3035         subst_for_filename(filename);
3036
3037         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
3038                 filepath = g_strconcat(prefs_common.attach_save_dir,
3039                                        G_DIR_SEPARATOR_S, filename, NULL);
3040         else
3041                 filepath = g_strdup(filename);
3042
3043         g_free(filename);
3044
3045         /* Pick correct window to set the file dialog "transient for" */
3046         if (textview->messageview->window != NULL)
3047                 window = textview->messageview->window;
3048         else
3049                 window = textview->messageview->mainwin->window;
3050
3051         manage_window_focus_in(window, NULL, NULL);
3052
3053         filename = filesel_select_file_save(_("Save as"), filepath);
3054         if (!filename) {
3055                 g_free(filepath);
3056                 return;
3057         }
3058
3059         if (is_file_exist(filename)) {
3060                 AlertValue aval;
3061                 gchar *res;
3062
3063                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
3064                                       filename);
3065                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
3066                                   GTK_STOCK_OK, NULL);
3067                 g_free(res);
3068                 if (G_ALERTALTERNATE != aval)
3069                         return;
3070         }
3071
3072         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
3073         copy_file(tmp_filename, filename, FALSE);
3074         g_free(tmp_filename);
3075
3076         filedir = g_path_get_dirname(filename);
3077         if (filedir && strcmp(filedir, ".")) {
3078                 g_free(prefs_common.attach_save_dir);
3079                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
3080         }
3081
3082         g_free(filedir);
3083         g_free(filepath);
3084
3085         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
3086                           NULL);
3087 }
3088
3089 static void copy_uri_cb (GtkAction *action, TextView *textview)
3090 {
3091         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
3092                                            "menu_button");
3093         const gchar *raw_url =  g_object_get_data(G_OBJECT(textview->link_popup_menu),
3094                                            "raw_url");
3095         if (uri) {
3096                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri, -1);
3097                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri, -1);
3098                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
3099                           NULL);
3100         }
3101         if (raw_url) {
3102                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), raw_url, -1);
3103                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), raw_url, -1);
3104                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
3105                           NULL);
3106         }
3107 }
3108
3109 static void add_uri_to_addrbook_cb (GtkAction *action, TextView *textview)
3110 {
3111         gchar *fromname, *fromaddress;
3112         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3113                                            "menu_button");
3114         AvatarRender *avatarr = NULL;
3115         GdkPixbuf *picture = NULL;
3116         gboolean use_picture = FALSE;
3117
3118         if (uri == NULL)
3119                 return;
3120
3121         /* extract url */
3122         fromaddress = g_strdup(uri->uri + 7);
3123
3124         if (textview->messageview->msginfo &&
3125            !strcmp2(fromaddress, textview->messageview->msginfo->from))
3126                 use_picture = TRUE;
3127
3128         fromname = procheader_get_fromname(fromaddress);
3129         extract_address(fromaddress);
3130
3131         if (use_picture) {
3132                 avatarr = avatars_avatarrender_new(textview->messageview->msginfo);
3133                 hooks_invoke(AVATAR_IMAGE_RENDER_HOOKLIST, avatarr);
3134         }
3135
3136         if (avatarr && avatarr->image) {
3137                 picture = gtk_image_get_pixbuf(GTK_IMAGE(avatarr->image));
3138         }
3139         if (avatarr) {
3140                 avatars_avatarrender_free(avatarr);
3141         }
3142
3143 #ifndef USE_NEW_ADDRBOOK
3144         addressbook_add_contact( fromname, fromaddress, NULL, picture);
3145 #else
3146         if (addressadd_selection(fromname, fromaddress, NULL, picture)) {
3147                 debug_print( "addressbook_add_contact - added\n" );
3148         }
3149 #endif
3150
3151         g_free(fromaddress);
3152         g_free(fromname);
3153 }
3154
3155 static void reply_to_uri_cb (GtkAction *action, TextView *textview)
3156 {
3157         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3158                                            "menu_button");
3159         if (!textview->messageview || !uri)
3160                 return;
3161
3162         compose_reply_to_address (textview->messageview,
3163                                   textview->messageview->msginfo, uri->uri+7);
3164 }
3165
3166 static void mail_to_uri_cb (GtkAction *action, TextView *textview)
3167 {
3168         PrefsAccount *account = NULL;
3169         Compose *compose;
3170         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3171                                            "menu_button");
3172         if (uri == NULL)
3173                 return;
3174
3175         if (textview->messageview && textview->messageview->msginfo &&
3176             textview->messageview->msginfo->folder) {
3177                 FolderItem   *folder_item;
3178
3179                 folder_item = textview->messageview->msginfo->folder;
3180                 if (folder_item->prefs && folder_item->prefs->enable_default_account)
3181                         account = account_find_from_id(folder_item->prefs->default_account);
3182
3183                 compose = compose_new_with_folderitem(account, folder_item, uri->uri+7);
3184         } else {
3185                 compose = compose_new(account, uri->uri + 7, NULL);
3186         }
3187         compose_check_for_email_account(compose);
3188 }
3189
3190 static void copy_mail_to_uri_cb (GtkAction *action, TextView *textview)
3191 {
3192         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3193                                            "menu_button");
3194         if (uri == NULL)
3195                 return;
3196
3197         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri +7, -1);
3198         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri +7, -1);
3199         g_object_set_data(G_OBJECT(textview->mail_popup_menu), "menu_button",
3200                           NULL);
3201 }
3202
3203 void textview_get_selection_offsets(TextView *textview, gint *sel_start, gint *sel_end)
3204 {
3205                 GtkTextView *text = GTK_TEXT_VIEW(textview->text);
3206                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
3207                 GtkTextIter start, end;
3208                 if (gtk_text_buffer_get_selection_bounds(buffer, &start, &end)) {
3209                         if (sel_start)
3210                                 *sel_start = gtk_text_iter_get_offset(&start);
3211                         if (sel_end)
3212                                 *sel_end = gtk_text_iter_get_offset(&end);
3213                 } else {
3214                         if (sel_start)
3215                                 *sel_start = -1;
3216                         if (sel_end)
3217                                 *sel_end = -1;
3218                 }
3219 }