src/textview.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2016 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 #ifdef HAVE_CONFIG_H
  20 #  include "config.h"
  21 #include "claws-features.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gdk/gdk.h>
  29 #include <gdk/gdkkeysyms.h>
  30 #include <gtk/gtk.h>
  31 #include <stdio.h>
  32 #include <ctype.h>
  33 #include <string.h>
  34 #include <stdlib.h>
  35 #include <errno.h>
  36 #if HAVE_SYS_WAIT_H
  37 #include <sys/wait.h>
  38 #endif
  39
  40 #include "main.h"
  41 #include "summaryview.h"
  42 #include "procheader.h"
  43 #include "prefs_common.h"
  44 #include "codeconv.h"
  45 #include "utils.h"
  46 #include "gtkutils.h"
  47 #include "procmime.h"
  48 #include "html.h"
  49 #include "enriched.h"
  50 #include "compose.h"
  51 #ifndef USE_ALT_ADDRBOOK
  52         #include "addressbook.h"
  53         #include "addrindex.h"
  54 #else
  55         #include "addressbook-dbus.h"
  56         #include "addressadd.h"
  57 #endif
  58 #include "displayheader.h"
  59 #include "account.h"
  60 #include "mimeview.h"
  61 #include "alertpanel.h"
  62 #include "menu.h"
  63 #include "image_viewer.h"
  64 #include "filesel.h"
  65 #include "inputdialog.h"
  66 #include "timing.h"
  67 #include "tags.h"
  68 #include "manage_window.h"
  69 #include "folder_item_prefs.h"
  70 #include "hooks.h"
  71 #include "avatars.h"
  72 #include "file-utils.h"
  73
  74 static GdkColor quote_colors[3] = {
  75         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  76         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  77         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  78 };
  79
  80 static GdkColor quote_bgcolors[3] = {
  81         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  82         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  83         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  84 };
  85 static GdkColor signature_color = {
  86         (gulong)0,
  87         (gushort)0x7fff,
  88         (gushort)0x7fff,
  89         (gushort)0x7fff
  90 };
  91
  92 static GdkColor uri_color = {
  93         (gulong)0,
  94         (gushort)0,
  95         (gushort)0,
  96         (gushort)0
  97 };
  98
  99 static GdkColor emphasis_color = {
 100         (gulong)0,
 101         (gushort)0,
 102         (gushort)0,
 103         (gushort)0
 104 };
 105
 106 static GdkColor diff_added_color = {
 107         (gulong)0,
 108         (gushort)0,
 109         (gushort)0,
 110         (gushort)0
 111 };
 112
 113 static GdkColor diff_deleted_color = {
 114         (gulong)0,
 115         (gushort)0,
 116         (gushort)0,
 117         (gushort)0
 118 };
 119
 120 static GdkColor diff_hunk_color = {
 121         (gulong)0,
 122         (gushort)0,
 123         (gushort)0,
 124         (gushort)0
 125 };
 126
 127 static GdkColor tags_bgcolor = {
 128         (gulong)0,
 129         (gushort)0,
 130         (gushort)0,
 131         (gushort)0
 132 };
 133
 134 static GdkColor tags_color = {
 135         (gulong)0,
 136         (gushort)0,
 137         (gushort)0,
 138         (gushort)0
 139 };
 140
 141 static GdkCursor *hand_cursor = NULL;
 142 static GdkCursor *text_cursor = NULL;
 143 static GdkCursor *watch_cursor= NULL;
 144
 145 #define TEXTVIEW_STATUSBAR_PUSH(textview, str)                              \
 146 {       if (textview->messageview->statusbar)                               \
 147         gtk_statusbar_push(GTK_STATUSBAR(textview->messageview->statusbar), \
 148                            textview->messageview->statusbar_cid, str);      \
 149 }
 150
 151 #define TEXTVIEW_STATUSBAR_POP(textview)                                   \
 152 {       if (textview->messageview->statusbar)                              \
 153         gtk_statusbar_pop(GTK_STATUSBAR(textview->messageview->statusbar), \
 154                           textview->messageview->statusbar_cid);           \
 155 }
 156
 157 static void textview_show_ertf          (TextView       *textview,
 158                                          FILE           *fp,
 159                                          CodeConverter  *conv);
 160 static void textview_add_part           (TextView       *textview,
 161                                          MimeInfo       *mimeinfo);
 162 static void textview_add_parts          (TextView       *textview,
 163                                          MimeInfo       *mimeinfo);
 164 static void textview_write_body         (TextView       *textview,
 165                                          MimeInfo       *mimeinfo);
 166 static void textview_show_html          (TextView       *textview,
 167                                          FILE           *fp,
 168                                          CodeConverter  *conv);
 169
 170 static void textview_write_line         (TextView       *textview,
 171                                          const gchar    *str,
 172                                          CodeConverter  *conv,
 173                                          gboolean        do_quote_folding);
 174 static void textview_write_link         (TextView       *textview,
 175                                          const gchar    *str,
 176                                          const gchar    *uri,
 177                                          CodeConverter  *conv);
 178
 179 static GPtrArray *textview_scan_header  (TextView       *textview,
 180                                          FILE           *fp);
 181 static void textview_show_header        (TextView       *textview,
 182                                          GPtrArray      *headers);
 183
 184 static gint textview_key_pressed                (GtkWidget      *widget,
 185                                                  GdkEventKey    *event,
 186                                                  TextView       *textview);
 187 static gboolean textview_motion_notify          (GtkWidget      *widget,
 188                                                  GdkEventMotion *motion,
 189                                                  TextView       *textview);
 190 static gboolean textview_leave_notify           (GtkWidget        *widget,
 191                                                  GdkEventCrossing *event,
 192                                                  TextView         *textview);
 193 static gboolean textview_visibility_notify      (GtkWidget      *widget,
 194                                                  GdkEventVisibility *event,
 195                                                  TextView       *textview);
 196 static void textview_uri_update                 (TextView       *textview,
 197                                                  gint           x,
 198                                                  gint           y);
 199 static gboolean textview_get_uri_range          (TextView       *textview,
 200                                                  GtkTextIter    *iter,
 201                                                  GtkTextTag     *tag,
 202                                                  GtkTextIter    *start_iter,
 203                                                  GtkTextIter    *end_iter);
 204 static ClickableText *textview_get_uri_from_range       (TextView       *textview,
 205                                                  GtkTextIter    *iter,
 206                                                  GtkTextTag     *tag,
 207                                                  GtkTextIter    *start_iter,
 208                                                  GtkTextIter    *end_iter);
 209 static ClickableText *textview_get_uri          (TextView       *textview,
 210                                                  GtkTextIter    *iter,
 211                                                  GtkTextTag     *tag);
 212 static gboolean textview_uri_button_pressed     (GtkTextTag     *tag,
 213                                                  GObject        *obj,
 214                                                  GdkEvent       *event,
 215                                                  GtkTextIter    *iter,
 216                                                  TextView       *textview);
 217
 218 static void textview_uri_list_remove_all        (GSList         *uri_list);
 219
 220 static void textview_toggle_quote               (TextView       *textview,
 221                                                  GSList         *start_list,
 222                                                  ClickableText  *uri,
 223                                                  gboolean        expand_only);
 224
 225 static void open_uri_cb                         (GtkAction      *action,
 226                                                  TextView       *textview);
 227 static void copy_uri_cb                         (GtkAction      *action,
 228                                                  TextView       *textview);
 229 static void add_uri_to_addrbook_cb              (GtkAction      *action,
 230                                                  TextView       *textview);
 231 static void reply_to_uri_cb                     (GtkAction      *action,
 232                                                  TextView       *textview);
 233 static void mail_to_uri_cb                      (GtkAction      *action,
 234                                                  TextView       *textview);
 235 static void copy_mail_to_uri_cb                 (GtkAction      *action,
 236                                                  TextView       *textview);
 237 static void textview_show_tags(TextView *textview);
 238
 239 static GtkActionEntry textview_link_popup_entries[] =
 240 {
 241         {"TextviewPopupLink",                   NULL, "TextviewPopupLink", NULL, NULL, NULL },
 242         {"TextviewPopupLink/Open",              NULL, N_("_Open in web browser"), NULL, NULL, G_CALLBACK(open_uri_cb) },
 243         {"TextviewPopupLink/Copy",              NULL, N_("Copy this _link"), NULL, NULL, G_CALLBACK(copy_uri_cb) },
 244 };
 245
 246 static GtkActionEntry textview_mail_popup_entries[] =
 247 {
 248         {"TextviewPopupMail",                   NULL, "TextviewPopupMail", NULL, NULL, NULL },
 249         {"TextviewPopupMail/Compose",           NULL, N_("Compose _new message"), NULL, NULL, G_CALLBACK(mail_to_uri_cb) },
 250         {"TextviewPopupMail/ReplyTo",           NULL, N_("_Reply to this address"), NULL, NULL, G_CALLBACK(reply_to_uri_cb) },
 251         {"TextviewPopupMail/AddAB",             NULL, N_("Add to _Address book"), NULL, NULL, G_CALLBACK(add_uri_to_addrbook_cb) },
 252         {"TextviewPopupMail/Copy",              NULL, N_("Copy this add_ress"), NULL, NULL, G_CALLBACK(copy_mail_to_uri_cb) },
 253 };
 254
 255 static void scrolled_cb (GtkAdjustment *adj, TextView *textview)
 256 {
 257 #ifndef WIDTH
 258 #  define WIDTH 48
 259 #  define HEIGHT 48
 260 #endif
 261         if (textview->image) {
 262                 GtkAllocation allocation;
 263                 gint x, y, x1;
 264                 gtk_widget_get_allocation(textview->text, &allocation);
 265                 x1 = allocation.width - WIDTH - 5;
 266                 gtk_text_view_buffer_to_window_coords(
 267                         GTK_TEXT_VIEW(textview->text),
 268                         GTK_TEXT_WINDOW_TEXT, x1, 5, &x, &y);
 269                 gtk_text_view_move_child(GTK_TEXT_VIEW(textview->text),
 270                         textview->image, x1, y);
 271         }
 272 }
 273
 274 static void textview_size_allocate_cb   (GtkWidget      *widget,
 275                                          GtkAllocation  *allocation,
 276                                          gpointer        data)
 277 {
 278         scrolled_cb(NULL, (TextView *)data);
 279 }
 280
 281 TextView *textview_create(void)
 282 {
 283         TextView *textview;
 284         GtkWidget *vbox;
 285         GtkWidget *scrolledwin;
 286         GtkWidget *text;
 287         GtkTextBuffer *buffer;
 288         GtkClipboard *clipboard;
 289         GtkAdjustment *adj;
 290
 291         debug_print("Creating text view...\n");
 292         textview = g_new0(TextView, 1);
 293
 294         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 295         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 296                                        GTK_POLICY_AUTOMATIC,
 297                                        GTK_POLICY_AUTOMATIC);
 298         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 299                                             GTK_SHADOW_IN);
 300         gtk_widget_set_size_request
 301                 (scrolledwin, prefs_common.mainview_width, -1);
 302
 303         /* create GtkSText widgets for single-byte and multi-byte character */
 304         text = gtk_text_view_new();
 305         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 306         gtk_widget_show(text);
 307         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 308         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD_CHAR);
 309         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 310         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 311         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 312
 313         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 314         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 315         gtk_text_buffer_add_selection_clipboard(buffer, clipboard);
 316
 317         gtk_widget_ensure_style(text);
 318
 319         g_object_ref(scrolledwin);
 320
 321         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 322
 323         g_signal_connect(G_OBJECT(text), "key-press-event",
 324                          G_CALLBACK(textview_key_pressed), textview);
 325         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 326                          G_CALLBACK(textview_motion_notify), textview);
 327         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 328                          G_CALLBACK(textview_leave_notify), textview);
 329         g_signal_connect(G_OBJECT(text), "visibility-notify-event",
 330                          G_CALLBACK(textview_visibility_notify), textview);
 331         adj = gtk_scrolled_window_get_vadjustment(
 332                 GTK_SCROLLED_WINDOW(scrolledwin));
 333         g_signal_connect(G_OBJECT(adj), "value-changed",
 334                          G_CALLBACK(scrolled_cb), textview);
 335         g_signal_connect(G_OBJECT(text), "size_allocate",
 336                          G_CALLBACK(textview_size_allocate_cb),
 337                          textview);
 338
 339
 340         gtk_widget_show(scrolledwin);
 341
 342         vbox = gtk_vbox_new(FALSE, 0);
 343         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 344
 345         gtk_widget_show(vbox);
 346
 347
 348         textview->ui_manager = gtk_ui_manager_new();
 349         textview->link_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 350                         "TextviewPopupLink",
 351                         textview_link_popup_entries,
 352                         G_N_ELEMENTS(textview_link_popup_entries), (gpointer)textview);
 353         textview->mail_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 354                         "TextviewPopupMail",
 355                         textview_mail_popup_entries,
 356                         G_N_ELEMENTS(textview_mail_popup_entries), (gpointer)textview);
 357
 358         MENUITEM_ADDUI_MANAGER(textview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 359         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 360                         "/Menus", "TextviewPopupLink", "TextviewPopupLink", GTK_UI_MANAGER_MENU)
 361         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 362                         "/Menus", "TextviewPopupMail", "TextviewPopupMail", GTK_UI_MANAGER_MENU)
 363
 364         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 365                         "/Menus/TextviewPopupLink", "Open", "TextviewPopupLink/Open", GTK_UI_MANAGER_MENUITEM)
 366         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 367                         "/Menus/TextviewPopupLink", "Copy", "TextviewPopupLink/Copy", GTK_UI_MANAGER_MENUITEM)
 368         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 369                         "/Menus/TextviewPopupMail", "Compose", "TextviewPopupMail/Compose", GTK_UI_MANAGER_MENUITEM)
 370         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 371                         "/Menus/TextviewPopupMail", "ReplyTo", "TextviewPopupMail/ReplyTo", GTK_UI_MANAGER_MENUITEM)
 372         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 373                         "/Menus/TextviewPopupMail", "AddAB", "TextviewPopupMail/AddAB", GTK_UI_MANAGER_MENUITEM)
 374         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 375                         "/Menus/TextviewPopupMail", "Copy", "TextviewPopupMail/Copy", GTK_UI_MANAGER_MENUITEM)
 376
 377         textview->link_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 378                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupLink")) );
 379         textview->mail_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 380                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupMail")) );
 381
 382         textview->vbox               = vbox;
 383         textview->scrolledwin        = scrolledwin;
 384         textview->text               = text;
 385         textview->uri_list           = NULL;
 386         textview->body_pos           = 0;
 387         textview->last_buttonpress   = GDK_NOTHING;
 388         textview->image              = NULL;
 389         return textview;
 390 }
 391
 392 static void textview_create_tags(GtkTextView *text, TextView *textview)
 393 {
 394         GtkTextBuffer *buffer;
 395         GtkTextTag *tag, *qtag;
 396         static PangoFontDescription *font_desc, *bold_font_desc;
 397
 398         if (!font_desc)
 399                 font_desc = pango_font_description_from_string
 400                         (NORMAL_FONT);
 401
 402         if (!bold_font_desc) {
 403                 if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
 404                         bold_font_desc = pango_font_description_from_string
 405                                 (NORMAL_FONT);
 406                         pango_font_description_set_weight
 407                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
 408                 } else {
 409                         bold_font_desc = pango_font_description_from_string
 410                                 (BOLD_FONT);
 411                 }
 412         }
 413
 414         buffer = gtk_text_view_get_buffer(text);
 415
 416         gtk_text_buffer_create_tag(buffer, "header",
 417                                    "pixels-above-lines", 0,
 418                                    "pixels-above-lines-set", TRUE,
 419                                    "pixels-below-lines", 0,
 420                                    "pixels-below-lines-set", TRUE,
 421                                    "font-desc", font_desc,
 422                                    "left-margin", 3,
 423                                    "left-margin-set", TRUE,
 424                                    NULL);
 425         gtk_text_buffer_create_tag(buffer, "header_title",
 426                                    "font-desc", bold_font_desc,
 427                                    NULL);
 428         tag = gtk_text_buffer_create_tag(buffer, "hlink",
 429                                    "pixels-above-lines", 0,
 430                                    "pixels-above-lines-set", TRUE,
 431                                    "pixels-below-lines", 0,
 432                                    "pixels-below-lines-set", TRUE,
 433                                    "font-desc", font_desc,
 434                                    "left-margin", 3,
 435                                    "left-margin-set", TRUE,
 436                                    "foreground-gdk", &uri_color,
 437                                    NULL);
 438         g_signal_connect(G_OBJECT(tag), "event",
 439                          G_CALLBACK(textview_uri_button_pressed), textview);
 440         if (prefs_common.enable_bgcolor) {
 441                 gtk_text_buffer_create_tag(buffer, "quote0",
 442                                 "foreground-gdk", &quote_colors[0],
 443                                 "paragraph-background-gdk", &quote_bgcolors[0],
 444                                 NULL);
 445                 gtk_text_buffer_create_tag(buffer, "quote1",
 446                                 "foreground-gdk", &quote_colors[1],
 447                                 "paragraph-background-gdk", &quote_bgcolors[1],
 448                                 NULL);
 449                 gtk_text_buffer_create_tag(buffer, "quote2",
 450                                 "foreground-gdk", &quote_colors[2],
 451                                 "paragraph-background-gdk", &quote_bgcolors[2],
 452                                 NULL);
 453         } else {
 454                 gtk_text_buffer_create_tag(buffer, "quote0",
 455                                 "foreground-gdk", &quote_colors[0],
 456                                 NULL);
 457                 gtk_text_buffer_create_tag(buffer, "quote1",
 458                                 "foreground-gdk", &quote_colors[1],
 459                                 NULL);
 460                 gtk_text_buffer_create_tag(buffer, "quote2",
 461                                 "foreground-gdk", &quote_colors[2],
 462                                 NULL);
 463         }
 464         gtk_text_buffer_create_tag(buffer, "tags",
 465                         "foreground-gdk", &tags_color,
 466                         "paragraph-background-gdk", &tags_bgcolor,
 467                         NULL);
 468         gtk_text_buffer_create_tag(buffer, "emphasis",
 469                         "foreground-gdk", &emphasis_color,
 470                         NULL);
 471         gtk_text_buffer_create_tag(buffer, "signature",
 472                         "foreground-gdk", &signature_color,
 473                         NULL);
 474         tag = gtk_text_buffer_create_tag(buffer, "link",
 475                         "foreground-gdk", &uri_color,
 476                         NULL);
 477         qtag = gtk_text_buffer_create_tag(buffer, "qlink",
 478                         NULL);
 479         gtk_text_buffer_create_tag(buffer, "link-hover",
 480                         "underline", PANGO_UNDERLINE_SINGLE,
 481                         NULL);
 482         gtk_text_buffer_create_tag(buffer, "diff-add",
 483                         "foreground-gdk", &diff_added_color,
 484                         NULL);
 485         gtk_text_buffer_create_tag(buffer, "diff-del",
 486                         "foreground-gdk", &diff_deleted_color,
 487                         NULL);
 488         gtk_text_buffer_create_tag(buffer, "diff-add-file",
 489                         "foreground-gdk", &diff_added_color,
 490                         "weight", PANGO_WEIGHT_BOLD,
 491                         NULL);
 492         gtk_text_buffer_create_tag(buffer, "diff-del-file",
 493                         "foreground-gdk", &diff_deleted_color,
 494                         "weight", PANGO_WEIGHT_BOLD,
 495                         NULL);
 496         gtk_text_buffer_create_tag(buffer, "diff-hunk",
 497                         "foreground-gdk", &diff_hunk_color,
 498                         "weight", PANGO_WEIGHT_BOLD,
 499                         NULL);
 500         g_signal_connect(G_OBJECT(qtag), "event",
 501                          G_CALLBACK(textview_uri_button_pressed), textview);
 502         g_signal_connect(G_OBJECT(tag), "event",
 503                          G_CALLBACK(textview_uri_button_pressed), textview);
 504 /*      if (font_desc)
 505                 pango_font_description_free(font_desc);
 506         if (bold_font_desc)
 507                 pango_font_description_free(bold_font_desc);*/
 508  }
 509
 510 void textview_init(TextView *textview)
 511 {
 512         if (!hand_cursor)
 513                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 514         if (!text_cursor)
 515                 text_cursor = gdk_cursor_new(GDK_XTERM);
 516         if (!watch_cursor)
 517                 watch_cursor = gdk_cursor_new(GDK_WATCH);
 518
 519         textview_reflect_prefs(textview);
 520         textview_set_font(textview, NULL);
 521         textview_create_tags(GTK_TEXT_VIEW(textview->text), textview);
 522 }
 523
 524  #define CHANGE_TAG_COLOR(tagname, colorfg, colorbg) { \
 525         tag = gtk_text_tag_table_lookup(tags, tagname); \
 526         if (tag) \
 527                 g_object_set(G_OBJECT(tag), "foreground-gdk", colorfg, "paragraph-background-gdk", colorbg, NULL); \
 528  }
 529
 530 static void textview_update_message_colors(TextView *textview)
 531 {
 532         GdkColor black = {0, 0, 0, 0};
 533         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
 534
 535         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
 536         GtkTextTag *tag = NULL;
 537
 538         quote_bgcolors[0] = quote_bgcolors[1] = quote_bgcolors[2] = black;
 539         quote_colors[0] = quote_colors[1] = quote_colors[2] = black;
 540         uri_color = emphasis_color = signature_color = diff_added_color =
 541                 diff_deleted_color = diff_hunk_color = black;
 542         tags_bgcolor = tags_color = black;
 543
 544         if (prefs_common.enable_color) {
 545                 /* grab the quote colors, converting from an int to a GdkColor */
 546                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_QUOTE_LEVEL1],
 547                                                &quote_colors[0]);
 548                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_QUOTE_LEVEL2],
 549                                                &quote_colors[1]);
 550                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_QUOTE_LEVEL3],
 551                                                &quote_colors[2]);
 552                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_URI],
 553                                                &uri_color);
 554                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_SIGNATURE],
 555                                                &signature_color);
 556                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_EMPHASIS],
 557                                                &emphasis_color);
 558                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_DIFF_ADDED],
 559                                                &diff_added_color);
 560                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_DIFF_DELETED],
 561                                                &diff_deleted_color);
 562                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_DIFF_HUNK],
 563                                                &diff_hunk_color);
 564         }
 565         if (prefs_common.enable_color && prefs_common.enable_bgcolor) {
 566                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_QUOTE_LEVEL1_BG],
 567                                                    &quote_bgcolors[0]);
 568                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_QUOTE_LEVEL2_BG],
 569                                                    &quote_bgcolors[1]);
 570                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_QUOTE_LEVEL3_BG],
 571                                                    &quote_bgcolors[2]);
 572                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], &quote_bgcolors[0]);
 573                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], &quote_bgcolors[1]);
 574                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], &quote_bgcolors[2]);
 575         } else {
 576                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], NULL);
 577                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], NULL);
 578                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], NULL);
 579         }
 580
 581         CHANGE_TAG_COLOR("emphasis", &emphasis_color, NULL);
 582         CHANGE_TAG_COLOR("signature", &signature_color, NULL);
 583         CHANGE_TAG_COLOR("link", &uri_color, NULL);
 584         CHANGE_TAG_COLOR("link-hover", &uri_color, NULL);
 585         CHANGE_TAG_COLOR("diff-add", &diff_added_color, NULL);
 586         CHANGE_TAG_COLOR("diff-del", &diff_deleted_color, NULL);
 587         CHANGE_TAG_COLOR("diff-add-file", &diff_added_color, NULL);
 588         CHANGE_TAG_COLOR("diff-del-file", &diff_deleted_color, NULL);
 589         CHANGE_TAG_COLOR("diff-hunk", &diff_hunk_color, NULL);
 590
 591         gtkut_convert_int_to_gdk_color(prefs_common.color[COL_TAGS_BG],
 592                                            &tags_bgcolor);
 593         gtkut_convert_int_to_gdk_color(prefs_common.color[COL_TAGS],
 594                                            &tags_color);
 595 }
 596 #undef CHANGE_TAG_COLOR
 597
 598 void textview_reflect_prefs(TextView *textview)
 599 {
 600         textview_set_font(textview, NULL);
 601         textview_update_message_colors(textview);
 602         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textview->text),
 603                                          prefs_common.textview_cursor_visible);
 604 }
 605
 606 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
 607 {
 608         START_TIMING("");
 609         cm_return_if_fail(mimeinfo != NULL);
 610         cm_return_if_fail(fp != NULL);
 611
 612         textview->loading = TRUE;
 613         textview->stop_loading = FALSE;
 614
 615         textview_clear(textview);
 616
 617         if (mimeinfo->type == MIMETYPE_MULTIPART ||
 618             (mimeinfo->type == MIMETYPE_MESSAGE && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822"))) {
 619                 textview_add_parts(textview, mimeinfo);
 620         } else {
 621                 if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0)
 622                         perror("fseek");
 623
 624                 textview_write_body(textview, mimeinfo);
 625         }
 626
 627         textview->loading = FALSE;
 628         textview->stop_loading = FALSE;
 629         textview_set_position(textview, 0);
 630
 631         END_TIMING();
 632 }
 633
 634 static void textview_add_part(TextView *textview, MimeInfo *mimeinfo)
 635 {
 636         GtkAllocation allocation;
 637         GtkTextView *text;
 638         GtkTextBuffer *buffer;
 639         GtkTextIter iter, start_iter;
 640         gchar buf[BUFFSIZE];
 641         GPtrArray *headers = NULL;
 642         const gchar *name;
 643         gchar *content_type;
 644         gint charcount;
 645
 646         START_TIMING("");
 647
 648         cm_return_if_fail(mimeinfo != NULL);
 649         text = GTK_TEXT_VIEW(textview->text);
 650         buffer = gtk_text_view_get_buffer(text);
 651         charcount = gtk_text_buffer_get_char_count(buffer);
 652         gtk_text_buffer_get_end_iter(buffer, &iter);
 653
 654         if (textview->stop_loading) {
 655                 return;
 656         }
 657         if (mimeinfo->type == MIMETYPE_MULTIPART) {
 658                 END_TIMING();
 659                 return;
 660         }
 661
 662         textview->prev_quote_level = -1;
 663
 664         if ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822")) {
 665                 FILE *fp;
 666                 if (mimeinfo->content == MIMECONTENT_MEM)
 667                         fp = str_open_as_stream(mimeinfo->data.mem);
 668                 else
 669                         fp = claws_fopen(mimeinfo->data.filename, "rb");
 670                 if (!fp) {
 671                         FILE_OP_ERROR(mimeinfo->data.filename, "claws_fopen");
 672                         END_TIMING();
 673                         return;
 674                 }
 675                 if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0) {
 676                         FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
 677                         claws_fclose(fp);
 678                         END_TIMING();
 679                         return;
 680                 }
 681                 headers = textview_scan_header(textview, fp);
 682                 if (headers) {
 683                         if (charcount > 0)
 684                                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 685
 686                         if (procmime_mimeinfo_parent(mimeinfo) == NULL)
 687                                 textview_show_tags(textview);
 688                         textview_show_header(textview, headers);
 689                         procheader_header_array_destroy(headers);
 690                 }
 691                 claws_fclose(fp);
 692                 END_TIMING();
 693                 return;
 694         }
 695
 696         name = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
 697         content_type = procmime_get_content_type_str(mimeinfo->type,
 698                                                      mimeinfo->subtype);
 699         if (name == NULL)
 700                 name = procmime_mimeinfo_get_parameter(mimeinfo, "name");
 701         if (name != NULL)
 702                 g_snprintf(buf, sizeof(buf), _("[%s  %s (%d bytes)]"),
 703                            name, content_type, mimeinfo->length);
 704         else
 705                 g_snprintf(buf, sizeof(buf), _("[%s (%d bytes)]"),
 706                            content_type, mimeinfo->length);
 707
 708         g_free(content_type);
 709
 710         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
 711         || (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
 712             mimeinfo->type != MIMETYPE_TEXT)) {
 713                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 714                 TEXTVIEW_INSERT_LINK(buf, "sc://select_attachment", mimeinfo);
 715                 gtk_text_buffer_insert(buffer, &iter, " \n", -1);
 716                 if (mimeinfo->type == MIMETYPE_IMAGE  &&
 717                     prefs_common.inline_img ) {
 718                         GdkPixbuf *pixbuf;
 719                         GError *error = NULL;
 720                         ClickableText *uri;
 721
 722                         START_TIMING("inserting image");
 723
 724                         pixbuf = procmime_get_part_as_pixbuf(mimeinfo, &error);
 725                         if (error != NULL) {
 726                                 g_warning("Can't load the image: %s\n", error->message);
 727                                 g_error_free(error);
 728                                 END_TIMING();
 729                                 return;
 730                         }
 731
 732                         if (textview->stop_loading) {
 733                                 END_TIMING();
 734                                 return;
 735                         }
 736
 737                         gtk_widget_get_allocation(textview->scrolledwin, &allocation);
 738                         pixbuf = claws_load_pixbuf_fitting(pixbuf,
 739                                         allocation.width,
 740                                         allocation.height);
 741
 742                         if (textview->stop_loading) {
 743                                 END_TIMING();
 744                                 return;
 745                         }
 746
 747                         uri = g_new0(ClickableText, 1);
 748                         uri->uri = g_strdup("");
 749                         uri->filename = g_strdup("sc://select_attachment");
 750                         uri->data = mimeinfo;
 751
 752                         uri->start = gtk_text_iter_get_offset(&iter);
 753                         gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 754                         g_object_unref(pixbuf);
 755                         if (textview->stop_loading) {
 756                                 g_free(uri);
 757                                 return;
 758                         }
 759                         uri->end = gtk_text_iter_get_offset(&iter);
 760
 761                         textview->uri_list =
 762                                 g_slist_prepend(textview->uri_list, uri);
 763
 764                         gtk_text_buffer_insert(buffer, &iter, " ", 1);
 765                         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, uri->start);
 766                         gtk_text_buffer_apply_tag_by_name(buffer, "link",
 767                                                 &start_iter, &iter);
 768
 769                         END_TIMING();
 770                         GTK_EVENTS_FLUSH();
 771                 }
 772         } else if (mimeinfo->type == MIMETYPE_TEXT) {
 773                 if (prefs_common.display_header && (charcount > 0))
 774                         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 775
 776                 if (!gtk_text_buffer_get_mark(buffer, "body_start")) {
 777                         gtk_text_buffer_get_end_iter(buffer, &iter);
 778                         gtk_text_buffer_create_mark(buffer, "body_start", &iter, TRUE);
 779                 }
 780
 781                 textview_write_body(textview, mimeinfo);
 782
 783                 if (!gtk_text_buffer_get_mark(buffer, "body_end")) {
 784                         gtk_text_buffer_get_end_iter(buffer, &iter);
 785                         gtk_text_buffer_create_mark(buffer, "body_end", &iter, TRUE);
 786                 }
 787         }
 788         END_TIMING();
 789 }
 790
 791 static void recursive_add_parts(TextView *textview, GNode *node)
 792 {
 793         GNode * iter;
 794         MimeInfo *mimeinfo;
 795         START_TIMING("");
 796
 797         mimeinfo = (MimeInfo *) node->data;
 798
 799         textview_add_part(textview, mimeinfo);
 800 #ifdef GENERIC_UMPC
 801         textview_set_position(textview, 0);
 802 #endif
 803         if ((mimeinfo->type != MIMETYPE_MULTIPART) &&
 804             (mimeinfo->type != MIMETYPE_MESSAGE)) {
 805                 END_TIMING();
 806                 return;
 807         }
 808         if (g_ascii_strcasecmp(mimeinfo->subtype, "alternative") == 0) {
 809                 GNode * preferred_body;
 810                 int preferred_score;
 811
 812                 /*
 813                   text/plain : score 3
 814                   text/ *    : score 2
 815                   other      : score 1
 816                 */
 817                 preferred_body = NULL;
 818                 preferred_score = 0;
 819
 820                 for (iter = g_node_first_child(node) ; iter != NULL ;
 821                      iter = g_node_next_sibling(iter)) {
 822                         int score;
 823                         MimeInfo * submime;
 824
 825                         score = 1;
 826                         submime = (MimeInfo *) iter->data;
 827                         if (submime->type == MIMETYPE_TEXT)
 828                                 score = 2;
 829
 830                         if (submime->subtype != NULL) {
 831                                 if (g_ascii_strcasecmp(submime->subtype, "plain") == 0)
 832                                         score = 3;
 833                         }
 834
 835                         if (score > preferred_score) {
 836                                 preferred_score = score;
 837                                 preferred_body = iter;
 838                         }
 839                 }
 840
 841                 if (preferred_body != NULL) {
 842                         recursive_add_parts(textview, preferred_body);
 843                 }
 844         }
 845         else {
 846                 for (iter = g_node_first_child(node) ; iter != NULL ;
 847                      iter = g_node_next_sibling(iter)) {
 848                         recursive_add_parts(textview, iter);
 849                 }
 850         }
 851         END_TIMING();
 852 }
 853
 854 static void textview_add_parts(TextView *textview, MimeInfo *mimeinfo)
 855 {
 856         cm_return_if_fail(mimeinfo != NULL);
 857         cm_return_if_fail(mimeinfo->node != NULL);
 858
 859         recursive_add_parts(textview, mimeinfo->node);
 860 }
 861
 862 void textview_show_error(TextView *textview)
 863 {
 864         GtkTextView *text;
 865         GtkTextBuffer *buffer;
 866         GtkTextIter iter;
 867
 868         textview_set_font(textview, NULL);
 869         textview_clear(textview);
 870
 871         text = GTK_TEXT_VIEW(textview->text);
 872         buffer = gtk_text_view_get_buffer(text);
 873         gtk_text_buffer_get_start_iter(buffer, &iter);
 874
 875         TEXTVIEW_INSERT(_("\n"
 876                       "  This message can't be displayed.\n"
 877                       "  This is probably due to a network error.\n"
 878                       "\n"
 879                       "  Use "));
 880         TEXTVIEW_INSERT_LINK(_("'Network Log'"), "sc://view_log", NULL);
 881         TEXTVIEW_INSERT(_(" in the Tools menu for more information."));
 882         textview_show_icon(textview, GTK_STOCK_DIALOG_ERROR);
 883 }
 884
 885 void textview_show_info(TextView *textview, const gchar *info_str)
 886 {
 887         GtkTextView *text;
 888         GtkTextBuffer *buffer;
 889         GtkTextIter iter;
 890
 891         textview_set_font(textview, NULL);
 892         textview_clear(textview);
 893
 894         text = GTK_TEXT_VIEW(textview->text);
 895         buffer = gtk_text_view_get_buffer(text);
 896         gtk_text_buffer_get_start_iter(buffer, &iter);
 897
 898         TEXTVIEW_INSERT(info_str);
 899         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
 900         textview_cursor_normal(textview);
 901 }
 902
 903 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
 904 {
 905         GtkTextView *text;
 906         GtkTextBuffer *buffer;
 907         GtkTextIter iter;
 908         const gchar *name;
 909         gchar *content_type;
 910         GtkUIManager *ui_manager;
 911 #ifndef GENERIC_UMPC
 912         gchar *shortcut;
 913 #endif
 914
 915         if (!partinfo) return;
 916
 917         if (textview->messageview->window != NULL)
 918                 ui_manager = textview->messageview->ui_manager;
 919         else
 920                 ui_manager = textview->messageview->mainwin->ui_manager;
 921
 922         textview_set_font(textview, NULL);
 923         textview_clear(textview);
 924
 925         text = GTK_TEXT_VIEW(textview->text);
 926         buffer = gtk_text_view_get_buffer(text);
 927         gtk_text_buffer_get_start_iter(buffer, &iter);
 928
 929         TEXTVIEW_INSERT("\n");
 930
 931         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 932         if (name == NULL)
 933                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 934         if (name != NULL) {
 935                 content_type = procmime_get_content_type_str(partinfo->type,
 936                                                      partinfo->subtype);
 937                 TEXTVIEW_INSERT("  ");
 938                 TEXTVIEW_INSERT_BOLD(name);
 939                 TEXTVIEW_INSERT(" (");
 940                 TEXTVIEW_INSERT(content_type);
 941                 TEXTVIEW_INSERT(", ");
 942                 TEXTVIEW_INSERT(to_human_readable((goffset)partinfo->length));
 943                 TEXTVIEW_INSERT("):\n\n");
 944
 945                 g_free(content_type);
 946         }
 947         TEXTVIEW_INSERT(_("  The following can be performed on this part\n"));
 948 #ifndef GENERIC_UMPC
 949         TEXTVIEW_INSERT(_("  by right-clicking the icon or list item:"));
 950 #endif
 951         TEXTVIEW_INSERT("\n");
 952
 953         TEXTVIEW_INSERT(_("     - To save, select "));
 954         TEXTVIEW_INSERT_LINK(_("'Save as...'"), "sc://save_as", NULL);
 955 #ifndef GENERIC_UMPC
 956         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
 957         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/File/SavePartAs");
 958         TEXTVIEW_INSERT(shortcut);
 959         g_free(shortcut);
 960         TEXTVIEW_INSERT("')");
 961 #endif
 962         TEXTVIEW_INSERT("\n");
 963
 964         TEXTVIEW_INSERT(_("     - To display as text, select "));
 965         TEXTVIEW_INSERT_LINK(_("'Display as text'"), "sc://display_as_text", NULL);
 966
 967 #ifndef GENERIC_UMPC
 968         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
 969         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/AsText");
 970         TEXTVIEW_INSERT(shortcut);
 971         g_free(shortcut);
 972         TEXTVIEW_INSERT("')");
 973 #endif
 974         TEXTVIEW_INSERT("\n");
 975
 976         TEXTVIEW_INSERT(_("     - To open with an external program, select "));
 977         TEXTVIEW_INSERT_LINK(_("'Open'"), "sc://open", NULL);
 978
 979 #ifndef GENERIC_UMPC
 980         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
 981         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/Open");
 982         TEXTVIEW_INSERT(shortcut);
 983         g_free(shortcut);
 984         TEXTVIEW_INSERT("')\n");
 985         TEXTVIEW_INSERT(_("       (alternately double-click, or click the middle "));
 986         TEXTVIEW_INSERT(_("mouse button)\n"));
 987 #ifndef G_OS_WIN32
 988         TEXTVIEW_INSERT(_("     - Or use "));
 989         TEXTVIEW_INSERT_LINK(_("'Open with...'"), "sc://open_with", NULL);
 990         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
 991         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/OpenWith");
 992         TEXTVIEW_INSERT(shortcut);
 993         g_free(shortcut);
 994         TEXTVIEW_INSERT("')");
 995 #endif
 996 #endif
 997         TEXTVIEW_INSERT("\n");
 998
 999         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
1000 }
1001
1002 static void textview_write_body(TextView *textview, MimeInfo *mimeinfo)
1003 {
1004         FILE *tmpfp;
1005         gchar buf[BUFFSIZE];
1006         CodeConverter *conv;
1007         const gchar *charset;
1008 #ifndef G_OS_WIN32
1009         const gchar *p, *cmd;
1010 #endif
1011         GSList *cur;
1012         gboolean continue_write = TRUE;
1013         size_t wrote = 0, i = 0;
1014
1015         if (textview->messageview->forced_charset)
1016                 charset = textview->messageview->forced_charset;
1017         else {
1018                 /* use supersets transparently when possible */
1019                 charset = procmime_mimeinfo_get_parameter(mimeinfo, "charset");
1020                 if (charset && !strcasecmp(charset, CS_ISO_8859_1))
1021                         charset = CS_WINDOWS_1252;
1022                 else if (charset && !strcasecmp(charset, CS_X_GBK))
1023                         charset = CS_GB18030;
1024                 else if (charset && !strcasecmp(charset, CS_GBK))
1025                         charset = CS_GB18030;
1026                 else if (charset && !strcasecmp(charset, CS_GB2312))
1027                         charset = CS_GB18030;
1028         }
1029
1030         textview_set_font(textview, charset);
1031
1032         conv = conv_code_converter_new(charset);
1033
1034         procmime_force_encoding(textview->messageview->forced_encoding);
1035
1036         textview->is_in_signature = FALSE;
1037         textview->is_diff = FALSE;
1038         textview->is_attachment = FALSE;;
1039
1040         procmime_decode_content(mimeinfo);
1041
1042         account_sigsep_matchlist_create();
1043
1044         if (!g_ascii_strcasecmp(mimeinfo->subtype, "html") &&
1045             prefs_common.render_html) {
1046                 gchar *filename;
1047
1048                 filename = procmime_get_tmp_file_name(mimeinfo);
1049                 if (procmime_get_part(filename, mimeinfo) == 0) {
1050                         tmpfp = claws_fopen(filename, "rb");
1051                         if (tmpfp) {
1052                                 textview_show_html(textview, tmpfp, conv);
1053                                 claws_fclose(tmpfp);
1054                         }
1055                         claws_unlink(filename);
1056                 }
1057                 g_free(filename);
1058         } else if (!g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
1059                 gchar *filename;
1060
1061                 filename = procmime_get_tmp_file_name(mimeinfo);
1062                 if (procmime_get_part(filename, mimeinfo) == 0) {
1063                         tmpfp = claws_fopen(filename, "rb");
1064                         if (tmpfp) {
1065                                 textview_show_ertf(textview, tmpfp, conv);
1066                                 claws_fclose(tmpfp);
1067                         }
1068                         claws_unlink(filename);
1069                 }
1070                 g_free(filename);
1071 #ifndef G_OS_WIN32
1072         } else if ( g_ascii_strcasecmp(mimeinfo->subtype, "plain") &&
1073                    (cmd = prefs_common.mime_textviewer) && *cmd &&
1074                    (p = strchr(cmd, '%')) && *(p + 1) == 's') {
1075                 int pid, pfd[2];
1076                 const gchar *fname;
1077
1078                 fname  = procmime_get_tmp_file_name(mimeinfo);
1079                 if (procmime_get_part(fname, mimeinfo)) goto textview_default;
1080
1081                 g_snprintf(buf, sizeof(buf), cmd, fname);
1082                 debug_print("Viewing text content of type: %s (length: %d) "
1083                         "using %s\n", mimeinfo->subtype, mimeinfo->length, buf);
1084
1085                 if (pipe(pfd) < 0) {
1086                         g_snprintf(buf, sizeof(buf),
1087                                 "pipe failed for textview\n\n%s\n", g_strerror(errno));
1088                         textview_write_line(textview, buf, conv, TRUE);
1089                         goto textview_default;
1090                 }
1091                 pid = fork();
1092                 if (pid < 0) {
1093                         g_snprintf(buf, sizeof(buf),
1094                                 "fork failed for textview\n\n%s\n", g_strerror(errno));
1095                         textview_write_line(textview, buf, conv, TRUE);
1096                         close(pfd[0]);
1097                         close(pfd[1]);
1098                         goto textview_default;
1099                 }
1100                 if (pid == 0) { /* child */
1101                         int rc;
1102                         gchar **argv;
1103                         argv = strsplit_with_quote(buf, " ", 0);
1104                         close(1);
1105                         close(pfd[0]);
1106                         rc = dup(pfd[1]);
1107                         rc = execvp(argv[0], argv);
1108                         perror("execvp");
1109                         close(pfd[1]);
1110                         g_print(_("The command to view attachment "
1111                                 "as text failed:\n"
1112                                 "    %s\n"
1113                                 "Exit code %d\n"), buf, rc);
1114                         exit(255);
1115                 }
1116                 close(pfd[1]);
1117                 tmpfp = claws_fdopen(pfd[0], "rb");
1118                 while (claws_fgets(buf, sizeof(buf), tmpfp)) {
1119                         textview_write_line(textview, buf, conv, TRUE);
1120
1121                         if (textview->stop_loading) {
1122                                 claws_fclose(tmpfp);
1123                                 waitpid(pid, pfd, 0);
1124                                 g_unlink(fname);
1125                                 account_sigsep_matchlist_delete();
1126                                 return;
1127                         }
1128                 }
1129
1130                 claws_fclose(tmpfp);
1131                 waitpid(pid, pfd, 0);
1132                 g_unlink(fname);
1133 #endif
1134         } else {
1135 #ifndef G_OS_WIN32
1136 textview_default:
1137 #endif
1138                 if (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
1139                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff"))
1140                         textview->is_diff = TRUE;
1141
1142                 /* Displayed part is an attachment, but not an attached
1143                  * e-mail. Set a flag, so that elsewhere in the code we
1144                  * know not to try making collapsible quotes in it. */
1145                 if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT &&
1146                                 mimeinfo->type != MIMETYPE_MESSAGE)
1147                         textview->is_attachment = TRUE;
1148
1149                 if (mimeinfo->content == MIMECONTENT_MEM)
1150                         tmpfp = str_open_as_stream(mimeinfo->data.mem);
1151                 else
1152                         tmpfp = claws_fopen(mimeinfo->data.filename, "rb");
1153                 if (!tmpfp) {
1154                         FILE_OP_ERROR(mimeinfo->data.filename, "claws_fopen");
1155                         account_sigsep_matchlist_delete();
1156                         return;
1157                 }
1158                 if (fseek(tmpfp, mimeinfo->offset, SEEK_SET) < 0) {
1159                         FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
1160                         claws_fclose(tmpfp);
1161                         account_sigsep_matchlist_delete();
1162                         return;
1163                 }
1164                 debug_print("Viewing text content of type: %s (length: %d)\n", mimeinfo->subtype, mimeinfo->length);
1165                 while (((i = ftell(tmpfp)) < mimeinfo->offset + mimeinfo->length) &&
1166                        (claws_fgets(buf, sizeof(buf), tmpfp) != NULL)
1167                        && continue_write) {
1168                         textview_write_line(textview, buf, conv, TRUE);
1169                         if (textview->stop_loading) {
1170                                 claws_fclose(tmpfp);
1171                                 account_sigsep_matchlist_delete();
1172                                 return;
1173                         }
1174                         wrote += ftell(tmpfp)-i;
1175                         if (mimeinfo->length > 1024*1024
1176                         &&  wrote > 1024*1024
1177                         && !textview->messageview->show_full_text) {
1178                                 continue_write = FALSE;
1179                         }
1180                 }
1181                 claws_fclose(tmpfp);
1182         }
1183
1184         account_sigsep_matchlist_delete();
1185
1186         conv_code_converter_destroy(conv);
1187         procmime_force_encoding(0);
1188
1189         textview->uri_list = g_slist_reverse(textview->uri_list);
1190         for (cur = textview->uri_list; cur; cur = cur->next) {
1191                 ClickableText *uri = (ClickableText *)cur->data;
1192                 if (!uri->is_quote)
1193                         continue;
1194                 if (!prefs_common.hide_quotes ||
1195                     uri->quote_level+1 < prefs_common.hide_quotes) {
1196                         textview_toggle_quote(textview, cur, uri, TRUE);
1197                         if (textview->stop_loading) {
1198                                 return;
1199                         }
1200                 }
1201         }
1202
1203         if (continue_write == FALSE) {
1204                 messageview_show_partial_display(
1205                         textview->messageview,
1206                         textview->messageview->msginfo,
1207                         mimeinfo->length);
1208         }
1209         GTK_EVENTS_FLUSH();
1210 }
1211
1212 static void textview_show_html(TextView *textview, FILE *fp,
1213                                CodeConverter *conv)
1214 {
1215         SC_HTMLParser *parser;
1216         gchar *str;
1217         gint lines = 0;
1218
1219         parser = sc_html_parser_new(fp, conv);
1220         cm_return_if_fail(parser != NULL);
1221
1222         account_sigsep_matchlist_create();
1223
1224         while ((str = sc_html_parse(parser)) != NULL) {
1225                 if (parser->state == SC_HTML_HREF) {
1226                         /* first time : get and copy the URL */
1227                         if (parser->href == NULL) {
1228                                 /* ALF - the claws html parser returns an empty string,
1229                                  * if still inside an <a>, but already parsed past HREF */
1230                                 str = strtok(str, " ");
1231                                 if (str) {
1232                                         while (str && *str && g_ascii_isspace(*str))
1233                                                 str++;
1234                                         parser->href = g_strdup(str);
1235                                         /* the URL may (or not) be followed by the
1236                                          * referenced text */
1237                                         str = strtok(NULL, "");
1238                                 }
1239                         }
1240                         if (str != NULL)
1241                                 textview_write_link(textview, str, parser->href, NULL);
1242                 } else
1243                         textview_write_line(textview, str, NULL, FALSE);
1244                 lines++;
1245                 if (lines % 500 == 0)
1246                         GTK_EVENTS_FLUSH();
1247                 if (textview->stop_loading) {
1248                         account_sigsep_matchlist_delete();
1249                         return;
1250                 }
1251         }
1252         textview_write_line(textview, "\n", NULL, FALSE);
1253
1254         account_sigsep_matchlist_delete();
1255
1256         sc_html_parser_destroy(parser);
1257 }
1258
1259 static void textview_show_ertf(TextView *textview, FILE *fp,
1260                                CodeConverter *conv)
1261 {
1262         ERTFParser *parser;
1263         gchar *str;
1264         gint lines = 0;
1265
1266         parser = ertf_parser_new(fp, conv);
1267         cm_return_if_fail(parser != NULL);
1268
1269         account_sigsep_matchlist_create();
1270
1271         while ((str = ertf_parse(parser)) != NULL) {
1272                 textview_write_line(textview, str, NULL, FALSE);
1273                 lines++;
1274                 if (lines % 500 == 0)
1275                         GTK_EVENTS_FLUSH();
1276                 if (textview->stop_loading) {
1277                         account_sigsep_matchlist_delete();
1278                         return;
1279                 }
1280         }
1281
1282         account_sigsep_matchlist_delete();
1283
1284         ertf_parser_destroy(parser);
1285 }
1286
1287 #define ADD_TXT_POS(bp_, ep_, pti_) \
1288         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1289                 last = last->next; \
1290                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1291                 last->next = NULL; \
1292         } else { \
1293                 g_warning("alloc error scanning URIs"); \
1294                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, \
1295                                                          linebuf, -1, \
1296                                                          fg_tag, NULL); \
1297                 return; \
1298         }
1299
1300 #define ADD_TXT_POS_LATER(bp_, ep_, pti_) \
1301         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1302                 last = last->next; \
1303                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1304                 last->next = NULL; \
1305         } else { \
1306                 g_warning("alloc error scanning URIs"); \
1307         }
1308
1309 /* textview_make_clickable_parts() - colorizes clickable parts */
1310 static void textview_make_clickable_parts(TextView *textview,
1311                                           const gchar *fg_tag,
1312                                           const gchar *uri_tag,
1313                                           const gchar *linebuf,
1314                                           gboolean hdr)
1315 {
1316         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1317         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1318         GtkTextIter iter;
1319         gchar *mybuf = g_strdup(linebuf);
1320
1321         /* parse table - in order of priority */
1322         struct table {
1323                 const gchar *needle; /* token */
1324
1325                 /* token search function */
1326                 gchar    *(*search)     (const gchar *haystack,
1327                                          const gchar *needle);
1328                 /* part parsing function */
1329                 gboolean  (*parse)      (const gchar *start,
1330                                          const gchar *scanpos,
1331                                          const gchar **bp_,
1332                                          const gchar **ep_,
1333                                          gboolean hdr);
1334                 /* part to URI function */
1335                 gchar    *(*build_uri)  (const gchar *bp,
1336                                          const gchar *ep);
1337         };
1338
1339         static struct table parser[] = {
1340                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1341                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1342                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1343                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1344                 {"gopher://",strcasestr, get_uri_part,   make_uri_string},
1345                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1346                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1347                 {"@",        strcasestr, get_email_part, make_email_string}
1348         };
1349         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1350
1351         gint  n;
1352         const gchar *walk, *bp, *ep;
1353
1354         struct txtpos {
1355                 const gchar     *bp, *ep;       /* text position */
1356                 gint             pti;           /* index in parse table */
1357                 struct txtpos   *next;          /* next */
1358         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1359
1360         if (!g_utf8_validate(linebuf, -1, NULL)) {
1361                 g_free(mybuf);
1362                 mybuf = g_malloc(strlen(linebuf)*2 +1);
1363                 conv_localetodisp(mybuf, strlen(linebuf)*2 +1, linebuf);
1364         }
1365
1366         gtk_text_buffer_get_end_iter(buffer, &iter);
1367
1368         /* parse for clickable parts, and build a list of begin and end positions  */
1369         for (walk = mybuf;;) {
1370                 gint last_index = PARSE_ELEMS;
1371                 gchar *scanpos = NULL;
1372
1373                 /* FIXME: this looks phony. scanning for anything in the parse table */
1374                 for (n = 0; n < PARSE_ELEMS; n++) {
1375                         gchar *tmp;
1376
1377                         tmp = parser[n].search(walk, parser[n].needle);
1378                         if (tmp) {
1379                                 if (scanpos == NULL || tmp < scanpos) {
1380                                         scanpos = tmp;
1381                                         last_index = n;
1382                                 }
1383                         }
1384                 }
1385
1386                 if (scanpos) {
1387                         /* check if URI can be parsed */
1388                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, hdr)
1389                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1390                                         ADD_TXT_POS(bp, ep, last_index);
1391                                         walk = ep;
1392                         } else
1393                                 walk = scanpos +
1394                                         strlen(parser[last_index].needle);
1395                 } else
1396                         break;
1397         }
1398
1399         /* colorize this line */
1400         if (head.next) {
1401                 const gchar *normal_text = mybuf;
1402
1403                 /* insert URIs */
1404                 for (last = head.next; last != NULL;
1405                      normal_text = last->ep, last = last->next) {
1406                         ClickableText *uri;
1407                         uri = g_new0(ClickableText, 1);
1408                         if (last->bp - normal_text > 0)
1409                                 gtk_text_buffer_insert_with_tags_by_name
1410                                         (buffer, &iter,
1411                                          normal_text,
1412                                          last->bp - normal_text,
1413                                          fg_tag, NULL);
1414                         uri->uri = parser[last->pti].build_uri(last->bp,
1415                                                                last->ep);
1416                         uri->start = gtk_text_iter_get_offset(&iter);
1417                         gtk_text_buffer_insert_with_tags_by_name
1418                                 (buffer, &iter, last->bp, last->ep - last->bp,
1419                                  uri_tag, fg_tag, NULL);
1420                         uri->end = gtk_text_iter_get_offset(&iter);
1421                         uri->filename = NULL;
1422                         textview->uri_list =
1423                                 g_slist_prepend(textview->uri_list, uri);
1424                 }
1425
1426                 if (*normal_text)
1427                         gtk_text_buffer_insert_with_tags_by_name
1428                                 (buffer, &iter, normal_text, -1, fg_tag, NULL);
1429         } else {
1430                 gtk_text_buffer_insert_with_tags_by_name
1431                         (buffer, &iter, mybuf, -1, fg_tag, NULL);
1432         }
1433         g_free(mybuf);
1434 }
1435
1436 /* textview_make_clickable_parts() - colorizes clickable parts */
1437 static void textview_make_clickable_parts_later(TextView *textview,
1438                                           gint start, gint end)
1439 {
1440         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1441         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1442         GtkTextIter start_iter, end_iter;
1443         gchar *mybuf;
1444         gint offset = 0;
1445         /* parse table - in order of priority */
1446         struct table {
1447                 const gchar *needle; /* token */
1448
1449                 /* token search function */
1450                 gchar    *(*search)     (const gchar *haystack,
1451                                          const gchar *needle);
1452                 /* part parsing function */
1453                 gboolean  (*parse)      (const gchar *start,
1454                                          const gchar *scanpos,
1455                                          const gchar **bp_,
1456                                          const gchar **ep_,
1457                                          gboolean hdr);
1458                 /* part to URI function */
1459                 gchar    *(*build_uri)  (const gchar *bp,
1460                                          const gchar *ep);
1461         };
1462
1463         static struct table parser[] = {
1464                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1465                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1466                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1467                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1468                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1469                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1470                 {"@",        strcasestr, get_email_part, make_email_string}
1471         };
1472         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1473
1474         gint  n;
1475         const gchar *walk, *bp, *ep;
1476
1477         struct txtpos {
1478                 const gchar     *bp, *ep;       /* text position */
1479                 gint             pti;           /* index in parse table */
1480                 struct txtpos   *next;          /* next */
1481         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1482
1483         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start);
1484         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end);
1485         mybuf = gtk_text_buffer_get_text(buffer, &start_iter, &end_iter, FALSE);
1486         offset = gtk_text_iter_get_offset(&start_iter);
1487
1488         /* parse for clickable parts, and build a list of begin and end positions  */
1489         for (walk = mybuf;;) {
1490                 gint last_index = PARSE_ELEMS;
1491                 gchar *scanpos = NULL;
1492
1493                 /* FIXME: this looks phony. scanning for anything in the parse table */
1494                 for (n = 0; n < PARSE_ELEMS; n++) {
1495                         gchar *tmp;
1496
1497                         tmp = parser[n].search(walk, parser[n].needle);
1498                         if (tmp) {
1499                                 if (scanpos == NULL || tmp < scanpos) {
1500                                         scanpos = tmp;
1501                                         last_index = n;
1502                                 }
1503                         }
1504                 }
1505
1506                 if (scanpos) {
1507                         /* check if URI can be parsed */
1508                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, FALSE)
1509                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1510                                         ADD_TXT_POS_LATER(bp, ep, last_index);
1511                                         walk = ep;
1512                         } else
1513                                 walk = scanpos +
1514                                         strlen(parser[last_index].needle);
1515                 } else
1516                         break;
1517         }
1518
1519         /* colorize this line */
1520         if (head.next) {
1521                 /* insert URIs */
1522                 for (last = head.next; last != NULL; last = last->next) {
1523                         ClickableText *uri;
1524                         gint start_offset, end_offset;
1525                         gchar *tmp_str;
1526                         gchar old_char;
1527                         uri = g_new0(ClickableText, 1);
1528                         uri->uri = parser[last->pti].build_uri(last->bp,
1529                                                                last->ep);
1530
1531                         tmp_str = mybuf;
1532                         old_char = tmp_str[last->ep - mybuf];
1533                         tmp_str[last->ep - mybuf] = '\0';
1534                         end_offset = g_utf8_strlen(tmp_str, -1);
1535                         tmp_str[last->ep - mybuf] = old_char;
1536
1537                         old_char = tmp_str[last->bp - mybuf];
1538                         tmp_str[last->bp - mybuf] = '\0';
1539                         start_offset = g_utf8_strlen(tmp_str, -1);
1540                         tmp_str[last->bp - mybuf] = old_char;
1541
1542                         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start_offset + offset);
1543                         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end_offset + offset);
1544
1545                         uri->start = gtk_text_iter_get_offset(&start_iter);
1546
1547                         gtk_text_buffer_apply_tag_by_name(buffer, "link", &start_iter, &end_iter);
1548
1549                         uri->end = gtk_text_iter_get_offset(&end_iter);
1550                         uri->filename = NULL;
1551                         textview->uri_list =
1552                                 g_slist_prepend(textview->uri_list, uri);
1553                 }
1554         }
1555
1556         g_free(mybuf);
1557 }
1558
1559 #undef ADD_TXT_POS
1560
1561 static void textview_write_line(TextView *textview, const gchar *str,
1562                                 CodeConverter *conv, gboolean do_quote_folding)
1563 {
1564         GtkTextView *text;
1565         GtkTextBuffer *buffer;
1566         GtkTextIter iter;
1567         gchar buf[BUFFSIZE];
1568         gchar *fg_color;
1569         gint quotelevel = -1, real_quotelevel = -1;
1570         gchar quote_tag_str[10];
1571
1572         text = GTK_TEXT_VIEW(textview->text);
1573         buffer = gtk_text_view_get_buffer(text);
1574         gtk_text_buffer_get_end_iter(buffer, &iter);
1575
1576         if (!conv)
1577                 strncpy2(buf, str, sizeof(buf));
1578         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1579                 conv_localetodisp(buf, sizeof(buf), str);
1580
1581         strcrchomp(buf);
1582         fg_color = NULL;
1583
1584         /* change color of quotation
1585            >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
1586            Up to 3 levels of quotations are detected, and each
1587            level is colored using a different color. */
1588         if (prefs_common.enable_color
1589             && !textview->is_attachment
1590             && line_has_quote_char(buf, prefs_common.quote_chars)) {
1591                 real_quotelevel = get_quote_level(buf, prefs_common.quote_chars);
1592                 quotelevel = real_quotelevel;
1593                 /* set up the correct foreground color */
1594                 if (quotelevel > 2) {
1595                         /* recycle colors */
1596                         if (prefs_common.recycle_quote_colors)
1597                                 quotelevel %= 3;
1598                         else
1599                                 quotelevel = 2;
1600                 }
1601         }
1602
1603         if (quotelevel == -1)
1604                 fg_color = NULL;
1605         else {
1606                 g_snprintf(quote_tag_str, sizeof(quote_tag_str),
1607                            "quote%d", quotelevel);
1608                 fg_color = quote_tag_str;
1609         }
1610
1611         if (prefs_common.enable_color) {
1612                 if (textview->is_diff) {
1613                         if (strncmp(buf, "+++ ", 4) == 0)
1614                                 fg_color = "diff-add-file";
1615                         else if (buf[0] == '+')
1616                                 fg_color = "diff-add";
1617                         else if (strncmp(buf, "--- ", 4) == 0)
1618                                 fg_color = "diff-del-file";
1619                         else if (buf[0] == '-')
1620                                 fg_color = "diff-del";
1621                         else if (strncmp(buf, "@@ ", 3) == 0 &&
1622                                         strcmp(buf+strlen(buf)-4, " @@\n") == 0)
1623                                 fg_color = "diff-hunk";
1624                 } else if (account_sigsep_matchlist_str_found(buf,"%s\n")
1625                                 || account_sigsep_matchlist_str_found(buf, "- %s\n")
1626                                 || textview->is_in_signature) {
1627                         fg_color = "signature";
1628                         textview->is_in_signature = TRUE;
1629                 }
1630         }
1631
1632         if (!textview->is_attachment && real_quotelevel > -1 && do_quote_folding) {
1633                 if (!g_utf8_validate(buf, -1, NULL)) {
1634                         gchar *utf8buf = NULL;
1635                         utf8buf = g_malloc(BUFFSIZE);
1636                         conv_localetodisp(utf8buf, BUFFSIZE, buf);
1637                         strncpy2(buf, utf8buf, BUFFSIZE-1);
1638                         g_free(utf8buf);
1639                 }
1640 do_quote:
1641                 if ( textview->prev_quote_level != real_quotelevel ) {
1642                         ClickableText *uri;
1643                         uri = g_new0(ClickableText, 1);
1644                         uri->uri = g_strdup("");
1645                         uri->data = g_strdup(buf);
1646                         uri->data_len = strlen(uri->data);
1647                         uri->start = gtk_text_iter_get_offset(&iter);
1648                         uri->is_quote = TRUE;
1649                         uri->quote_level = real_quotelevel;
1650                         uri->fg_color = g_strdup(fg_color);
1651
1652                         gtk_text_buffer_insert_with_tags_by_name
1653                                         (buffer, &iter, " [...]", -1,
1654                                          "qlink", fg_color, NULL);
1655                         uri->end = gtk_text_iter_get_offset(&iter);
1656                         gtk_text_buffer_insert(buffer, &iter, "  \n", -1);
1657
1658                         uri->filename = NULL;
1659                         textview->uri_list =
1660                                 g_slist_prepend(textview->uri_list, uri);
1661
1662                         textview->prev_quote_level = real_quotelevel;
1663                 } else {
1664                         GSList *last = textview->uri_list;
1665                         ClickableText *lasturi = NULL;
1666                         gint e_len = 0, n_len = 0;
1667
1668                         if (textview->uri_list) {
1669                                 lasturi = (ClickableText *)last->data;
1670                         } else {
1671                                 g_print("oops (%d %d)\n",
1672                                         real_quotelevel, textview->prev_quote_level);
1673                         }
1674                         if (lasturi) {
1675                                 if (lasturi->is_quote == FALSE) {
1676                                         textview->prev_quote_level = -1;
1677                                         goto do_quote;
1678                                 }
1679                                 e_len = lasturi->data ? lasturi->data_len:0;
1680                                 n_len = strlen(buf);
1681                                 lasturi->data = g_realloc((gchar *)lasturi->data, e_len + n_len + 1);
1682                                 strcpy((gchar *)lasturi->data + e_len, buf);
1683                                 *((gchar *)lasturi->data + e_len + n_len) = '\0';
1684                                 lasturi->data_len += n_len;
1685                         }
1686                 }
1687         } else {
1688                 textview_make_clickable_parts(textview, fg_color, "link", buf, FALSE);
1689                 textview->prev_quote_level = -1;
1690         }
1691 }
1692
1693 void textview_write_link(TextView *textview, const gchar *str,
1694                          const gchar *uri, CodeConverter *conv)
1695 {
1696         GtkTextView *text;
1697         GtkTextBuffer *buffer;
1698         GtkTextIter iter;
1699         gchar buf[BUFFSIZE];
1700         gchar *bufp;
1701         ClickableText *r_uri;
1702
1703         if (!str || *str == '\0')
1704                 return;
1705         if (!uri)
1706                 return;
1707
1708         while (uri && *uri && g_ascii_isspace(*uri))
1709                 uri++;
1710
1711         text = GTK_TEXT_VIEW(textview->text);
1712         buffer = gtk_text_view_get_buffer(text);
1713         gtk_text_buffer_get_end_iter(buffer, &iter);
1714
1715         if (!conv)
1716                 strncpy2(buf, str, sizeof(buf));
1717         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1718                 conv_utf8todisp(buf, sizeof(buf), str);
1719
1720         if (g_utf8_validate(buf, -1, NULL) == FALSE)
1721                 return;
1722
1723         strcrchomp(buf);
1724
1725         gtk_text_buffer_get_end_iter(buffer, &iter);
1726         for (bufp = buf; *bufp != '\0'; bufp = g_utf8_next_char(bufp)) {
1727                 gunichar ch;
1728
1729                 ch = g_utf8_get_char(bufp);
1730                 if (!g_unichar_isspace(ch))
1731                         break;
1732         }
1733         if (bufp > buf)
1734                 gtk_text_buffer_insert(buffer, &iter, buf, bufp - buf);
1735
1736         r_uri = g_new0(ClickableText, 1);
1737         r_uri->uri = g_strdup(uri);
1738         r_uri->start = gtk_text_iter_get_offset(&iter);
1739         gtk_text_buffer_insert_with_tags_by_name
1740                 (buffer, &iter, bufp, -1, "link", NULL);
1741         r_uri->end = gtk_text_iter_get_offset(&iter);
1742         r_uri->filename = NULL;
1743         textview->uri_list = g_slist_prepend(textview->uri_list, r_uri);
1744 }
1745
1746 static void textview_set_cursor(GdkWindow *window, GdkCursor *cursor)
1747 {
1748         if (GDK_IS_WINDOW(window))
1749                 gdk_window_set_cursor(window, cursor);
1750 }
1751 void textview_clear(TextView *textview)
1752 {
1753         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1754         GtkTextBuffer *buffer;
1755         GdkWindow *window = gtk_text_view_get_window(text,
1756                                 GTK_TEXT_WINDOW_TEXT);
1757
1758         buffer = gtk_text_view_get_buffer(text);
1759         gtk_text_buffer_set_text(buffer, "", -1);
1760         if (gtk_text_buffer_get_mark(buffer, "body_start"))
1761                 gtk_text_buffer_delete_mark_by_name(buffer, "body_start");
1762         if (gtk_text_buffer_get_mark(buffer, "body_end"))
1763                 gtk_text_buffer_delete_mark_by_name(buffer, "body_end");
1764
1765         TEXTVIEW_STATUSBAR_POP(textview);
1766         textview_uri_list_remove_all(textview->uri_list);
1767         textview->uri_list = NULL;
1768         textview->uri_hover = NULL;
1769         textview->prev_quote_level = -1;
1770
1771         textview->body_pos = 0;
1772         if (textview->image)
1773                 gtk_widget_destroy(textview->image);
1774         textview->image = NULL;
1775         textview->avatar_type = 0;
1776
1777         if (textview->messageview->mainwin->cursor_count == 0) {
1778                 textview_set_cursor(window, text_cursor);
1779         } else {
1780                 textview_set_cursor(window, watch_cursor);
1781         }
1782 }
1783
1784 void textview_destroy(TextView *textview)
1785 {
1786         GtkTextBuffer *buffer;
1787         GtkClipboard *clipboard;
1788
1789         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1790         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1791         gtk_text_buffer_remove_selection_clipboard(buffer, clipboard);
1792
1793         textview_uri_list_remove_all(textview->uri_list);
1794         textview->uri_list = NULL;
1795         textview->prev_quote_level = -1;
1796
1797         g_free(textview);
1798 }
1799
1800 #define CHANGE_TAG_FONT(tagname, font) { \
1801         tag = gtk_text_tag_table_lookup(tags, tagname); \
1802         if (tag) \
1803                 g_object_set(G_OBJECT(tag), "font-desc", font, NULL); \
1804 }
1805
1806 void textview_set_font(TextView *textview, const gchar *codeset)
1807 {
1808         GtkTextTag *tag;
1809         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1810         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
1811         PangoFontDescription *font_desc, *bold_font_desc;
1812
1813         font_desc = pango_font_description_from_string
1814                                         (NORMAL_FONT);
1815         if (font_desc) {
1816                 gtk_widget_modify_font(textview->text, font_desc);
1817                 CHANGE_TAG_FONT("header", font_desc);
1818                 CHANGE_TAG_FONT("hlink", font_desc);
1819                 pango_font_description_free(font_desc);
1820         }
1821         if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
1822                 bold_font_desc = pango_font_description_from_string
1823                                                 (NORMAL_FONT);
1824                 if (bold_font_desc)
1825                         pango_font_description_set_weight
1826                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
1827         } else {
1828                 bold_font_desc = pango_font_description_from_string
1829                                                 (BOLD_FONT);
1830         }
1831         if (bold_font_desc) {
1832                 CHANGE_TAG_FONT("header_title", bold_font_desc);
1833                 pango_font_description_free(bold_font_desc);
1834         }
1835
1836         if (prefs_common.textfont) {
1837                 PangoFontDescription *font_desc;
1838
1839                 font_desc = pango_font_description_from_string
1840                                                 (prefs_common.textfont);
1841                 if (font_desc) {
1842                         gtk_widget_modify_font(textview->text, font_desc);
1843                         pango_font_description_free(font_desc);
1844                 }
1845         }
1846         gtk_text_view_set_pixels_above_lines(GTK_TEXT_VIEW(textview->text),
1847                                              prefs_common.line_space / 2);
1848         gtk_text_view_set_pixels_below_lines(GTK_TEXT_VIEW(textview->text),
1849                                              prefs_common.line_space / 2);
1850 }
1851
1852 void textview_set_text(TextView *textview, const gchar *text)
1853 {
1854         GtkTextView *view;
1855         GtkTextBuffer *buffer;
1856
1857         cm_return_if_fail(textview != NULL);
1858         cm_return_if_fail(text != NULL);
1859
1860         textview_clear(textview);
1861
1862         view = GTK_TEXT_VIEW(textview->text);
1863         buffer = gtk_text_view_get_buffer(view);
1864         gtk_text_buffer_set_text(buffer, text, strlen(text));
1865 }
1866
1867 enum
1868 {
1869         H_DATE          = 0,
1870         H_FROM          = 1,
1871         H_TO            = 2,
1872         H_NEWSGROUPS    = 3,
1873         H_SUBJECT       = 4,
1874         H_CC            = 5,
1875         H_REPLY_TO      = 6,
1876         H_FOLLOWUP_TO   = 7,
1877         H_X_MAILER      = 8,
1878         H_X_NEWSREADER  = 9,
1879         H_USER_AGENT    = 10,
1880         H_ORGANIZATION  = 11,
1881 };
1882
1883 void textview_set_position(TextView *textview, gint pos)
1884 {
1885         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1886
1887         gtkut_text_view_set_position(text, pos);
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 (!procheader_header_is_internal(header->name))
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 (claws_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 (!procheader_header_is_internal(header->name)) {
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_ALT_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: %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_ALT_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: %s\n",
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 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                     procheader_headername_equal(header->name, "Bcc") ||
2256                     procheader_headername_equal(header->name, "Reply-To") ||
2257                     procheader_headername_equal(header->name, "Sender") ||
2258                     procheader_headername_equal(header->name, "Resent-From") ||
2259                     procheader_headername_equal(header->name, "Resent-To"))
2260                         unfold_line(header->body);
2261
2262                 if (procheader_headername_equal(header->name, "Date") &&
2263                     prefs_common.msgview_date_format) {
2264                         gchar hbody[80];
2265
2266                         procheader_date_parse(hbody, header->body, sizeof(hbody));
2267                         gtk_text_buffer_get_end_iter (buffer, &iter);
2268                         gtk_text_buffer_insert_with_tags_by_name
2269                                 (buffer, &iter, hbody, -1, "header", NULL);
2270                 } else if ((procheader_headername_equal(header->name, "X-Mailer") ||
2271                                 procheader_headername_equal(header->name,
2272                                                  "X-Newsreader")) &&
2273                                 (strstr(header->body, "Claws Mail") != NULL ||
2274                                 strstr(header->body, "Sylpheed-Claws") != NULL)) {
2275                         gtk_text_buffer_get_end_iter (buffer, &iter);
2276                         gtk_text_buffer_insert_with_tags_by_name
2277                                 (buffer, &iter, header->body, -1,
2278                                  "header", "emphasis", NULL);
2279                 } else {
2280                         gboolean hdr =
2281                           procheader_headername_equal(header->name, "From") ||
2282                           procheader_headername_equal(header->name, "To") ||
2283                           procheader_headername_equal(header->name, "Cc") ||
2284                           procheader_headername_equal(header->name, "Bcc") ||
2285                           procheader_headername_equal(header->name, "Reply-To") ||
2286                           procheader_headername_equal(header->name, "Sender") ||
2287                           procheader_headername_equal(header->name, "Resent-From") ||
2288                           procheader_headername_equal(header->name, "Resent-To");
2289                         textview_make_clickable_parts(textview, "header",
2290                                                       "hlink", header->body,
2291                                                       hdr);
2292                 }
2293                 gtk_text_buffer_get_end_iter (buffer, &iter);
2294                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2295                                                          "header", NULL);
2296         }
2297
2298         textview_show_avatar(textview);
2299
2300         textview_save_contact_pic(textview);
2301         textview_show_contact_pic(textview);
2302 }
2303
2304 gboolean textview_search_string(TextView *textview, const gchar *str,
2305                                 gboolean case_sens)
2306 {
2307         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2308
2309         return gtkut_text_view_search_string(text, str, case_sens);
2310 }
2311
2312 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
2313                                          gboolean case_sens)
2314 {
2315         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2316
2317         return gtkut_text_view_search_string_backward(text, str, case_sens);
2318 }
2319
2320 void textview_scroll_one_line(TextView *textview, gboolean up)
2321 {
2322         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2323         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2324
2325         gtkutils_scroll_one_line(GTK_WIDGET(text), vadj, up);
2326 }
2327
2328 gboolean textview_scroll_page(TextView *textview, gboolean up)
2329 {
2330         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2331         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2332
2333         return gtkutils_scroll_page(GTK_WIDGET(text), vadj, up);
2334 }
2335
2336 void textview_scroll_max(TextView *textview, gboolean up)
2337 {
2338         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2339         GtkTextIter iter;
2340
2341         if (up) {
2342                 gtk_text_buffer_get_start_iter(buffer, &iter);
2343                 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview->text),
2344                                                 &iter, 0.0, TRUE, 0.0, 1.0);
2345
2346         } else {
2347                 gtk_text_buffer_get_end_iter(buffer, &iter);
2348                 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview->text),
2349                                                 &iter, 0.0, TRUE, 0.0, 0.0);
2350         }
2351 }
2352
2353 #define KEY_PRESS_EVENT_STOP() \
2354         g_signal_stop_emission_by_name(G_OBJECT(widget), \
2355                                        "key_press_event");
2356
2357 static gint textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2358                                  TextView *textview)
2359 {
2360         GdkWindow *window = NULL;
2361         SummaryView *summaryview = NULL;
2362         MessageView *messageview = textview->messageview;
2363         gboolean mod_pressed;
2364
2365         if (!event) return FALSE;
2366         if (messageview->mainwin)
2367                 summaryview = messageview->mainwin->summaryview;
2368
2369         switch (event->keyval) {
2370         case GDK_KEY_Tab:
2371         case GDK_KEY_Left:
2372         case GDK_KEY_Up:
2373         case GDK_KEY_Right:
2374         case GDK_KEY_Down:
2375         case GDK_KEY_Control_L:
2376         case GDK_KEY_Control_R:
2377                 return FALSE;
2378         case GDK_KEY_Home:
2379         case GDK_KEY_End:
2380                 textview_scroll_max(textview,(event->keyval == GDK_KEY_Home));
2381                 return TRUE;
2382         case GDK_KEY_space:
2383                 mod_pressed = ((event->state & (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2384                 if (!mimeview_scroll_page(messageview->mimeview, mod_pressed) &&
2385                                 summaryview != NULL) {
2386                         if (mod_pressed)
2387                                 summary_select_prev_unread(summaryview);
2388                         else
2389                                 summary_select_next_unread(summaryview);
2390                 }
2391                 break;
2392         case GDK_KEY_Page_Down:
2393                 mimeview_scroll_page(messageview->mimeview, FALSE);
2394                 break;
2395         case GDK_KEY_Page_Up:
2396         case GDK_KEY_BackSpace:
2397                 mimeview_scroll_page(messageview->mimeview, TRUE);
2398                 break;
2399         case GDK_KEY_Return:
2400         case GDK_KEY_KP_Enter:
2401                 mimeview_scroll_one_line
2402                         (messageview->mimeview, (event->state &
2403                                     (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2404                 break;
2405         case GDK_KEY_Delete:
2406                 if (summaryview)
2407                         summary_pass_key_press_event(summaryview, event);
2408                 break;
2409         default:
2410                 if (messageview->mainwin) {
2411                         window = gtk_widget_get_window(messageview->mainwin->window);
2412                         if (summaryview &&
2413                             event->window != window) {
2414                                 GdkEventKey tmpev = *event;
2415
2416                                 tmpev.window = window;
2417                                 KEY_PRESS_EVENT_STOP();
2418                                 gtk_widget_event(messageview->mainwin->window,
2419                                                  (GdkEvent *)&tmpev);
2420                         }
2421                 }
2422                 break;
2423         }
2424
2425         return TRUE;
2426 }
2427
2428 static gboolean textview_motion_notify(GtkWidget *widget,
2429                                        GdkEventMotion *event,
2430                                        TextView *textview)
2431 {
2432         if (textview->loading)
2433                 return FALSE;
2434         textview_uri_update(textview, event->x, event->y);
2435         gdk_window_get_pointer(gtk_widget_get_window(widget), NULL, NULL, NULL);
2436
2437         return FALSE;
2438 }
2439
2440 static gboolean textview_leave_notify(GtkWidget *widget,
2441                                       GdkEventCrossing *event,
2442                                       TextView *textview)
2443 {
2444         if (textview->loading)
2445                 return FALSE;
2446         textview_uri_update(textview, -1, -1);
2447
2448         return FALSE;
2449 }
2450
2451 static gboolean textview_visibility_notify(GtkWidget *widget,
2452                                            GdkEventVisibility *event,
2453                                            TextView *textview)
2454 {
2455         gint wx, wy;
2456         GdkWindow *window;
2457
2458         if (textview->loading)
2459                 return FALSE;
2460
2461         window = gtk_text_view_get_window(GTK_TEXT_VIEW(widget),
2462                                           GTK_TEXT_WINDOW_TEXT);
2463
2464         /* check if occurred for the text window part */
2465         if (window != event->window)
2466                 return FALSE;
2467
2468         gdk_window_get_pointer(gtk_widget_get_window(widget), &wx, &wy, NULL);
2469         textview_uri_update(textview, wx, wy);
2470
2471         return FALSE;
2472 }
2473
2474 void textview_cursor_wait(TextView *textview)
2475 {
2476         GdkWindow *window = gtk_text_view_get_window(
2477                         GTK_TEXT_VIEW(textview->text),
2478                         GTK_TEXT_WINDOW_TEXT);
2479         textview_set_cursor(window, watch_cursor);
2480 }
2481
2482 void textview_cursor_normal(TextView *textview)
2483 {
2484         GdkWindow *window = gtk_text_view_get_window(
2485                         GTK_TEXT_VIEW(textview->text),
2486                         GTK_TEXT_WINDOW_TEXT);
2487         textview_set_cursor(window, text_cursor);
2488 }
2489
2490 static void textview_uri_update(TextView *textview, gint x, gint y)
2491 {
2492         GtkTextBuffer *buffer;
2493         GtkTextIter start_iter, end_iter;
2494         ClickableText *uri = NULL;
2495
2496         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2497
2498         if (x != -1 && y != -1) {
2499                 gint bx, by;
2500                 GtkTextIter iter;
2501                 GSList *tags;
2502                 GSList *cur;
2503
2504                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview->text),
2505                                                       GTK_TEXT_WINDOW_WIDGET,
2506                                                       x, y, &bx, &by);
2507                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview->text),
2508                                                    &iter, bx, by);
2509
2510                 tags = gtk_text_iter_get_tags(&iter);
2511                 for (cur = tags; cur != NULL; cur = cur->next) {
2512                         GtkTextTag *tag = cur->data;
2513                         char *name;
2514
2515                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
2516
2517                         if ((!strcmp(name, "link") || !strcmp(name, "hlink"))
2518                             && textview_get_uri_range(textview, &iter, tag,
2519                                                       &start_iter, &end_iter)) {
2520
2521                                 uri = textview_get_uri_from_range(textview,
2522                                                                   &iter, tag,
2523                                                                   &start_iter,
2524                                                                   &end_iter);
2525                         }
2526                         g_free(name);
2527                         if (uri)
2528                                 break;
2529                 }
2530                 g_slist_free(tags);
2531         }
2532
2533         if (uri != textview->uri_hover) {
2534                 GdkWindow *window;
2535
2536                 if (textview->uri_hover)
2537                         gtk_text_buffer_remove_tag_by_name(buffer,
2538                                                            "link-hover",
2539                                                            &textview->uri_hover_start_iter,
2540                                                            &textview->uri_hover_end_iter);
2541
2542                 textview->uri_hover = uri;
2543                 if (uri) {
2544                         textview->uri_hover_start_iter = start_iter;
2545                         textview->uri_hover_end_iter = end_iter;
2546                 }
2547
2548                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview->text),
2549                                                   GTK_TEXT_WINDOW_TEXT);
2550                 if (textview->messageview->mainwin->cursor_count == 0) {
2551                         textview_set_cursor(window, uri ? hand_cursor : text_cursor);
2552                 } else {
2553                         textview_set_cursor(window, watch_cursor);
2554                 }
2555
2556                 TEXTVIEW_STATUSBAR_POP(textview);
2557
2558                 if (uri) {
2559                         if (!uri->is_quote)
2560                                 gtk_text_buffer_apply_tag_by_name(buffer,
2561                                                           "link-hover",
2562                                                           &start_iter,
2563                                                           &end_iter);
2564                         TEXTVIEW_STATUSBAR_PUSH(textview, uri->uri);
2565                 }
2566         }
2567 }
2568
2569 static gboolean textview_get_uri_range(TextView *textview,
2570                                        GtkTextIter *iter,
2571                                        GtkTextTag *tag,
2572                                        GtkTextIter *start_iter,
2573                                        GtkTextIter *end_iter)
2574 {
2575         return get_tag_range(iter, tag, start_iter, end_iter);
2576 }
2577
2578 static ClickableText *textview_get_uri_from_range(TextView *textview,
2579                                               GtkTextIter *iter,
2580                                               GtkTextTag *tag,
2581                                               GtkTextIter *start_iter,
2582                                               GtkTextIter *end_iter)
2583 {
2584         gint start_pos, end_pos, cur_pos;
2585         ClickableText *uri = NULL;
2586         GSList *cur;
2587
2588         start_pos = gtk_text_iter_get_offset(start_iter);
2589         end_pos = gtk_text_iter_get_offset(end_iter);
2590         cur_pos = gtk_text_iter_get_offset(iter);
2591
2592         for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
2593                 ClickableText *uri_ = (ClickableText *)cur->data;
2594                 if (start_pos == uri_->start &&
2595                     end_pos ==  uri_->end) {
2596                         uri = uri_;
2597                         break;
2598                 }
2599         }
2600         for (cur = textview->uri_list; uri == NULL && cur != NULL; cur = cur->next) {
2601                 ClickableText *uri_ = (ClickableText *)cur->data;
2602                 if (start_pos == uri_->start ||
2603                            end_pos == uri_->end) {
2604                         /* in case of contiguous links, textview_get_uri_range
2605                          * returns a broader range (start of 1st link to end
2606                          * of last link).
2607                          * In that case, correct link is the one covering
2608                          * current iter.
2609                          */
2610                         if (uri_->start <= cur_pos && cur_pos <= uri_->end) {
2611                                 uri = uri_;
2612                                 break;
2613                         }
2614                 }
2615         }
2616
2617         return uri;
2618 }
2619
2620 static ClickableText *textview_get_uri(TextView *textview,
2621                                    GtkTextIter *iter,
2622                                    GtkTextTag *tag)
2623 {
2624         GtkTextIter start_iter, end_iter;
2625         ClickableText *uri = NULL;
2626
2627         if (textview_get_uri_range(textview, iter, tag, &start_iter,
2628                                    &end_iter))
2629                 uri = textview_get_uri_from_range(textview, iter, tag,
2630                                                   &start_iter, &end_iter);
2631
2632         return uri;
2633 }
2634
2635 static void textview_shift_uris_after(TextView *textview, GSList *start_list, gint start, gint shift)
2636 {
2637         GSList *cur;
2638         if (!start_list)
2639                 start_list = textview->uri_list;
2640
2641         for (cur = start_list; cur; cur = cur->next) {
2642                 ClickableText *uri = (ClickableText *)cur->data;
2643                 if (uri->start <= start)
2644                         continue;
2645                 uri->start += shift;
2646                 uri->end += shift;
2647         }
2648 }
2649
2650 static void textview_remove_uris_in(TextView *textview, gint start, gint end)
2651 {
2652         GSList *cur;
2653         for (cur = textview->uri_list; cur; ) {
2654                 ClickableText *uri = (ClickableText *)cur->data;
2655                 if (uri->start > start && uri->end < end) {
2656                         cur = cur->next;
2657                         textview->uri_list = g_slist_remove(textview->uri_list, uri);
2658                         g_free(uri->uri);
2659                         g_free(uri->filename);
2660                         if (uri->is_quote) {
2661                                 g_free(uri->fg_color);
2662                                 g_free(uri->data);
2663                                 /* (only free data in quotes uris) */
2664                         }
2665                         g_free(uri);
2666                 } else {
2667                         cur = cur->next;
2668                 }
2669
2670         }
2671 }
2672
2673 static void textview_toggle_quote(TextView *textview, GSList *start_list, ClickableText *uri, gboolean expand_only)
2674 {
2675         GtkTextIter start, end;
2676         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2677
2678         if (!uri->is_quote)
2679                 return;
2680
2681         if (uri->q_expanded && expand_only)
2682                 return;
2683
2684         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2685         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2686         if (textview->uri_hover)
2687                 gtk_text_buffer_remove_tag_by_name(buffer,
2688                                                    "link-hover",
2689                                                    &textview->uri_hover_start_iter,
2690                                                    &textview->uri_hover_end_iter);
2691         textview->uri_hover = NULL;
2692         gtk_text_buffer_remove_tag_by_name(buffer,
2693                                            "qlink",
2694                                            &start,
2695                                            &end);
2696         /* when shifting URIs start and end, we have to do it per-UTF8-char
2697          * so use g_utf8_strlen(). OTOH, when inserting in the text buffer,
2698          * we have to pass a number of bytes, so use strlen(). disturbing. */
2699
2700         if (!uri->q_expanded) {
2701                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2702                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2703                 textview_shift_uris_after(textview, start_list, uri->start,
2704                         g_utf8_strlen((gchar *)uri->data, -1)-strlen(" [...]\n"));
2705                 gtk_text_buffer_delete(buffer, &start, &end);
2706                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2707                 gtk_text_buffer_insert_with_tags_by_name
2708                                 (buffer, &start, (gchar *)uri->data,
2709                                  strlen((gchar *)uri->data)-1,
2710                                  "qlink", (gchar *)uri->fg_color, NULL);
2711                 uri->end = gtk_text_iter_get_offset(&start);
2712                 textview_make_clickable_parts_later(textview,
2713                                           uri->start, uri->end);
2714                 uri->q_expanded = TRUE;
2715         } else {
2716                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2717                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2718                 textview_remove_uris_in(textview, uri->start, uri->end);
2719                 textview_shift_uris_after(textview, start_list, uri->start,
2720                         strlen(" [...]\n")-g_utf8_strlen((gchar *)uri->data, -1));
2721                 gtk_text_buffer_delete(buffer, &start, &end);
2722                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2723                 gtk_text_buffer_insert_with_tags_by_name
2724                                 (buffer, &start, " [...]", -1,
2725                                  "qlink", (gchar *)uri->fg_color, NULL);
2726                 uri->end = gtk_text_iter_get_offset(&start);
2727                 uri->q_expanded = FALSE;
2728         }
2729         if (textview->messageview->mainwin->cursor_count == 0) {
2730                 textview_cursor_normal(textview);
2731         } else {
2732                 textview_cursor_wait(textview);
2733         }
2734 }
2735 static gboolean textview_uri_button_pressed(GtkTextTag *tag, GObject *obj,
2736                                             GdkEvent *event, GtkTextIter *iter,
2737                                             TextView *textview)
2738 {
2739         GdkEventButton *bevent;
2740         ClickableText *uri = NULL;
2741         char *tagname;
2742         gboolean qlink = FALSE;
2743
2744         if (!event)
2745                 return FALSE;
2746
2747         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
2748                 && event->type != GDK_MOTION_NOTIFY)
2749                 return FALSE;
2750
2751         uri = textview_get_uri(textview, iter, tag);
2752         if (!uri)
2753                 return FALSE;
2754
2755         g_object_get(G_OBJECT(tag), "name", &tagname, NULL);
2756
2757         if (!strcmp(tagname, "qlink"))
2758                 qlink = TRUE;
2759
2760         g_free(tagname);
2761
2762         bevent = (GdkEventButton *) event;
2763
2764         /* doubleclick: open compose / add address / browser */
2765         if (qlink && event->type == GDK_BUTTON_PRESS && bevent->button != 1) {
2766                 /* pass rightclick through */
2767                 return FALSE;
2768         } else if ((event->type == (qlink ? GDK_2BUTTON_PRESS:GDK_BUTTON_PRESS) && bevent->button == 1) ||
2769                 bevent->button == 2 || bevent->button == 3) {
2770                 if (uri->filename && !g_ascii_strncasecmp(uri->filename, "sc://", 5)) {
2771                         MimeView *mimeview =
2772                                 (textview->messageview)?
2773                                         textview->messageview->mimeview:NULL;
2774                         if (mimeview && bevent->button == 1) {
2775                                 mimeview_handle_cmd(mimeview, uri->filename, NULL, uri->data);
2776                         } else if (mimeview && bevent->button == 2 &&
2777                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2778                                 mimeview_handle_cmd(mimeview, "sc://open_attachment", NULL, uri->data);
2779                         } else if (mimeview && bevent->button == 3 &&
2780                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2781                                 mimeview_handle_cmd(mimeview, "sc://menu_attachment", bevent, uri->data);
2782                         }
2783                         return TRUE;
2784                 } else if (qlink && bevent->button == 1) {
2785                         if (prefs_common.hide_quoted) {
2786                                 textview_toggle_quote(textview, NULL, uri, FALSE);
2787                                 return TRUE;
2788                         } else
2789                                 return FALSE;
2790                 } else if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) {
2791                         if (bevent->button == 3) {
2792                                 g_object_set_data(
2793                                         G_OBJECT(textview->mail_popup_menu),
2794                                         "menu_button", uri);
2795                                 gtk_menu_popup(GTK_MENU(textview->mail_popup_menu),
2796                                                NULL, NULL, NULL, NULL,
2797                                                bevent->button, bevent->time);
2798                         } else {
2799                                 PrefsAccount *account = NULL;
2800                                 FolderItem   *folder_item = NULL;
2801                                 Compose *compose;
2802
2803                                 if (textview->messageview && textview->messageview->msginfo &&
2804                                     textview->messageview->msginfo->folder) {
2805
2806
2807                                         folder_item = textview->messageview->msginfo->folder;
2808                                         if (folder_item->prefs && folder_item->prefs->enable_default_account)
2809                                                 account = account_find_from_id(folder_item->prefs->default_account);
2810                                         if (!account)
2811                                                 account = account_find_from_item(folder_item);
2812                                 }
2813                                 compose = compose_new_with_folderitem(account,
2814                                                                 folder_item, uri->uri + 7);
2815                                 compose_check_for_email_account(compose);
2816                         }
2817                         return TRUE;
2818                 } else if (g_ascii_strncasecmp(uri->uri, "file:", 5)) {
2819                         if (bevent->button == 1 &&
2820                             textview_uri_security_check(textview, uri) == TRUE)
2821                                         open_uri(uri->uri,
2822                                                  prefs_common_get_uri_cmd());
2823                         else if (bevent->button == 3 && !qlink) {
2824                                 g_object_set_data(
2825                                         G_OBJECT(textview->link_popup_menu),
2826                                         "menu_button", uri);
2827                                 gtk_menu_popup(GTK_MENU(textview->link_popup_menu),
2828                                                NULL, NULL, NULL, NULL,
2829                                                bevent->button, bevent->time);
2830                         }
2831                         return TRUE;
2832                 } else {
2833                         if (bevent->button == 3 && !qlink) {
2834                                 g_object_set_data(
2835                                         G_OBJECT(textview->file_popup_menu),
2836                                         "menu_button", uri);
2837                                 gtk_menu_popup(GTK_MENU(textview->file_popup_menu),
2838                                                NULL, NULL, NULL, NULL,
2839                                                bevent->button, bevent->time);
2840                                 return TRUE;
2841                         }
2842                 }
2843         }
2844
2845         return FALSE;
2846 }
2847
2848 gchar *textview_get_visible_uri         (TextView       *textview,
2849                                          ClickableText  *uri)
2850 {
2851         GtkTextBuffer *buffer;
2852         GtkTextIter start, end;
2853
2854         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2855
2856         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2857         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2858
2859         return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
2860 }
2861
2862 /*!
2863  *\brief    Check to see if a web URL has been disguised as a different
2864  *          URL (possible with HTML email).
2865  *
2866  *\param    uri The uri to check
2867  *
2868  *\param    textview The TextView the URL is contained in
2869  *
2870  *\return   gboolean TRUE if the URL is ok, or if the user chose to open
2871  *          it anyway, otherwise FALSE
2872  */
2873 gboolean textview_uri_security_check(TextView *textview, ClickableText *uri)
2874 {
2875         gchar *visible_str;
2876         gboolean retval = TRUE;
2877
2878         if (is_uri_string(uri->uri) == FALSE)
2879                 return TRUE;
2880
2881         visible_str = textview_get_visible_uri(textview, uri);
2882         if (visible_str == NULL)
2883                 return TRUE;
2884
2885         g_strstrip(visible_str);
2886
2887         if (strcmp(visible_str, uri->uri) != 0 && is_uri_string(visible_str)) {
2888                 gchar *uri_path;
2889                 gchar *visible_uri_path;
2890
2891                 uri_path = get_uri_path(uri->uri);
2892                 visible_uri_path = get_uri_path(visible_str);
2893                 if (path_cmp(uri_path, visible_uri_path) != 0)
2894                         retval = FALSE;
2895         }
2896
2897         if (retval == FALSE) {
2898                 gchar *msg;
2899                 AlertValue aval;
2900
2901                 msg = g_markup_printf_escaped("%s\n\n"
2902                                                 "<b>%s</b> %s\n\n"
2903                                                 "<b>%s</b> %s\n\n"
2904                                                 "%s",
2905                                                 _("The real URL is different from the displayed URL."),
2906                                                 _("Displayed URL:"), visible_str,
2907                                                 _("Real URL:"), uri->uri,
2908                                                 _("Open it anyway?"));
2909                 aval = alertpanel_full(_("Phishing attempt warning"), msg,
2910                                        GTK_STOCK_CANCEL, _("_Open URL"), NULL, ALERTFOCUS_FIRST,
2911                                                          FALSE, NULL, ALERT_WARNING);
2912                 g_free(msg);
2913                 if (aval == G_ALERTALTERNATE)
2914                         retval = TRUE;
2915         }
2916
2917         g_free(visible_str);
2918
2919         return retval;
2920 }
2921
2922 static void textview_uri_list_remove_all(GSList *uri_list)
2923 {
2924         GSList *cur;
2925
2926         for (cur = uri_list; cur != NULL; cur = cur->next) {
2927                 if (cur->data) {
2928                         g_free(((ClickableText *)cur->data)->uri);
2929                         g_free(((ClickableText *)cur->data)->filename);
2930                         if (((ClickableText *)cur->data)->is_quote) {
2931                                 g_free(((ClickableText *)cur->data)->fg_color);
2932                                 g_free(((ClickableText *)cur->data)->data);
2933                                 /* (only free data in quotes uris) */
2934                         }
2935                         g_free(cur->data);
2936                 }
2937         }
2938
2939         g_slist_free(uri_list);
2940 }
2941
2942 static void open_uri_cb (GtkAction *action, TextView *textview)
2943 {
2944         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2945                                            "menu_button");
2946         const gchar *raw_url = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2947                                            "raw_url");
2948
2949         if (uri) {
2950                 if (textview_uri_security_check(textview, uri) == TRUE)
2951                         open_uri(uri->uri,
2952                                  prefs_common_get_uri_cmd());
2953                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2954                                   NULL);
2955         }
2956         if (raw_url) {
2957                 open_uri(raw_url, prefs_common_get_uri_cmd());
2958                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
2959                                   NULL);
2960         }
2961 }
2962
2963 static void copy_uri_cb (GtkAction *action, TextView *textview)
2964 {
2965         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2966                                            "menu_button");
2967         const gchar *raw_url =  g_object_get_data(G_OBJECT(textview->link_popup_menu),
2968                                            "raw_url");
2969         if (uri) {
2970                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri, -1);
2971                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri, -1);
2972                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2973                           NULL);
2974         }
2975         if (raw_url) {
2976                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), raw_url, -1);
2977                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), raw_url, -1);
2978                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
2979                           NULL);
2980         }
2981 }
2982
2983 static void add_uri_to_addrbook_cb (GtkAction *action, TextView *textview)
2984 {
2985         gchar *fromname, *fromaddress;
2986         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
2987                                            "menu_button");
2988         AvatarRender *avatarr = NULL;
2989         GdkPixbuf *picture = NULL;
2990         gboolean use_picture = FALSE;
2991
2992         if (uri == NULL)
2993                 return;
2994
2995         /* extract url */
2996         fromaddress = g_strdup(uri->uri + 7);
2997
2998         if (textview->messageview->msginfo &&
2999            !g_strcmp0(fromaddress, textview->messageview->msginfo->from))
3000                 use_picture = TRUE;
3001
3002         fromname = procheader_get_fromname(fromaddress);
3003         extract_address(fromaddress);
3004
3005         if (use_picture) {
3006                 avatarr = avatars_avatarrender_new(textview->messageview->msginfo);
3007                 hooks_invoke(AVATAR_IMAGE_RENDER_HOOKLIST, avatarr);
3008         }
3009
3010         if (avatarr && avatarr->image) {
3011                 picture = gtk_image_get_pixbuf(GTK_IMAGE(avatarr->image));
3012         }
3013         if (avatarr) {
3014                 avatars_avatarrender_free(avatarr);
3015         }
3016
3017 #ifndef USE_ALT_ADDRBOOK
3018         addressbook_add_contact( fromname, fromaddress, NULL, picture);
3019 #else
3020         if (addressadd_selection(fromname, fromaddress, NULL, picture)) {
3021                 debug_print( "addressbook_add_contact - added\n" );
3022         }
3023 #endif
3024
3025         g_free(fromaddress);
3026         g_free(fromname);
3027 }
3028
3029 static void reply_to_uri_cb (GtkAction *action, TextView *textview)
3030 {
3031         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3032                                            "menu_button");
3033         if (!textview->messageview || !uri)
3034                 return;
3035
3036         compose_reply_to_address (textview->messageview,
3037                                   textview->messageview->msginfo, uri->uri+7);
3038 }
3039
3040 static void mail_to_uri_cb (GtkAction *action, TextView *textview)
3041 {
3042         PrefsAccount *account = NULL;
3043         Compose *compose;
3044         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3045                                            "menu_button");
3046         if (uri == NULL)
3047                 return;
3048
3049         if (textview->messageview && textview->messageview->msginfo &&
3050             textview->messageview->msginfo->folder) {
3051                 FolderItem   *folder_item;
3052
3053                 folder_item = textview->messageview->msginfo->folder;
3054                 if (folder_item->prefs && folder_item->prefs->enable_default_account)
3055                         account = account_find_from_id(folder_item->prefs->default_account);
3056
3057                 compose = compose_new_with_folderitem(account, folder_item, uri->uri+7);
3058         } else {
3059                 compose = compose_new(account, uri->uri + 7, NULL);
3060         }
3061         compose_check_for_email_account(compose);
3062 }
3063
3064 static void copy_mail_to_uri_cb (GtkAction *action, TextView *textview)
3065 {
3066         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3067                                            "menu_button");
3068         if (uri == NULL)
3069                 return;
3070
3071         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri +7, -1);
3072         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri +7, -1);
3073         g_object_set_data(G_OBJECT(textview->mail_popup_menu), "menu_button",
3074                           NULL);
3075 }
3076
3077 void textview_get_selection_offsets(TextView *textview, gint *sel_start, gint *sel_end)
3078 {
3079                 GtkTextView *text = GTK_TEXT_VIEW(textview->text);
3080                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
3081                 GtkTextIter start, end;
3082                 if (gtk_text_buffer_get_selection_bounds(buffer, &start, &end)) {
3083                         if (sel_start)
3084                                 *sel_start = gtk_text_iter_get_offset(&start);
3085                         if (sel_end)
3086                                 *sel_end = gtk_text_iter_get_offset(&end);
3087                 } else {
3088                         if (sel_start)
3089                                 *sel_start = -1;
3090                         if (sel_end)
3091                                 *sel_end = -1;
3092                 }
3093 }