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         textview->is_in_git_patch = FALSE;
1040
1041         procmime_decode_content(mimeinfo);
1042
1043         account_sigsep_matchlist_create();
1044
1045         if (!g_ascii_strcasecmp(mimeinfo->subtype, "html") &&
1046             prefs_common.render_html) {
1047                 gchar *filename;
1048
1049                 filename = procmime_get_tmp_file_name(mimeinfo);
1050                 if (procmime_get_part(filename, mimeinfo) == 0) {
1051                         tmpfp = claws_fopen(filename, "rb");
1052                         if (tmpfp) {
1053                                 textview_show_html(textview, tmpfp, conv);
1054                                 claws_fclose(tmpfp);
1055                         }
1056                         claws_unlink(filename);
1057                 }
1058                 g_free(filename);
1059         } else if (!g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
1060                 gchar *filename;
1061
1062                 filename = procmime_get_tmp_file_name(mimeinfo);
1063                 if (procmime_get_part(filename, mimeinfo) == 0) {
1064                         tmpfp = claws_fopen(filename, "rb");
1065                         if (tmpfp) {
1066                                 textview_show_ertf(textview, tmpfp, conv);
1067                                 claws_fclose(tmpfp);
1068                         }
1069                         claws_unlink(filename);
1070                 }
1071                 g_free(filename);
1072 #ifndef G_OS_WIN32
1073         } else if ( g_ascii_strcasecmp(mimeinfo->subtype, "plain") &&
1074                    (cmd = prefs_common.mime_textviewer) && *cmd &&
1075                    (p = strchr(cmd, '%')) && *(p + 1) == 's') {
1076                 int pid, pfd[2];
1077                 const gchar *fname;
1078
1079                 fname  = procmime_get_tmp_file_name(mimeinfo);
1080                 if (procmime_get_part(fname, mimeinfo)) goto textview_default;
1081
1082                 g_snprintf(buf, sizeof(buf), cmd, fname);
1083                 debug_print("Viewing text content of type: %s (length: %d) "
1084                         "using %s\n", mimeinfo->subtype, mimeinfo->length, buf);
1085
1086                 if (pipe(pfd) < 0) {
1087                         g_snprintf(buf, sizeof(buf),
1088                                 "pipe failed for textview\n\n%s\n", g_strerror(errno));
1089                         textview_write_line(textview, buf, conv, TRUE);
1090                         goto textview_default;
1091                 }
1092                 pid = fork();
1093                 if (pid < 0) {
1094                         g_snprintf(buf, sizeof(buf),
1095                                 "fork failed for textview\n\n%s\n", g_strerror(errno));
1096                         textview_write_line(textview, buf, conv, TRUE);
1097                         close(pfd[0]);
1098                         close(pfd[1]);
1099                         goto textview_default;
1100                 }
1101                 if (pid == 0) { /* child */
1102                         int rc;
1103                         gchar **argv;
1104                         argv = strsplit_with_quote(buf, " ", 0);
1105                         close(1);
1106                         close(pfd[0]);
1107                         rc = dup(pfd[1]);
1108                         rc = execvp(argv[0], argv);
1109                         perror("execvp");
1110                         close(pfd[1]);
1111                         g_print(_("The command to view attachment "
1112                                 "as text failed:\n"
1113                                 "    %s\n"
1114                                 "Exit code %d\n"), buf, rc);
1115                         exit(255);
1116                 }
1117                 close(pfd[1]);
1118                 tmpfp = claws_fdopen(pfd[0], "rb");
1119                 while (claws_fgets(buf, sizeof(buf), tmpfp)) {
1120                         textview_write_line(textview, buf, conv, TRUE);
1121
1122                         if (textview->stop_loading) {
1123                                 claws_fclose(tmpfp);
1124                                 waitpid(pid, pfd, 0);
1125                                 g_unlink(fname);
1126                                 account_sigsep_matchlist_delete();
1127                                 return;
1128                         }
1129                 }
1130
1131                 claws_fclose(tmpfp);
1132                 waitpid(pid, pfd, 0);
1133                 g_unlink(fname);
1134 #endif
1135         } else {
1136 #ifndef G_OS_WIN32
1137 textview_default:
1138 #endif
1139                 if (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
1140                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff"))
1141                         textview->is_diff = TRUE;
1142
1143                 /* Displayed part is an attachment, but not an attached
1144                  * e-mail. Set a flag, so that elsewhere in the code we
1145                  * know not to try making collapsible quotes in it. */
1146                 if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT &&
1147                                 mimeinfo->type != MIMETYPE_MESSAGE)
1148                         textview->is_attachment = TRUE;
1149
1150                 if (mimeinfo->content == MIMECONTENT_MEM)
1151                         tmpfp = str_open_as_stream(mimeinfo->data.mem);
1152                 else
1153                         tmpfp = claws_fopen(mimeinfo->data.filename, "rb");
1154                 if (!tmpfp) {
1155                         FILE_OP_ERROR(mimeinfo->data.filename, "claws_fopen");
1156                         account_sigsep_matchlist_delete();
1157                         return;
1158                 }
1159                 if (fseek(tmpfp, mimeinfo->offset, SEEK_SET) < 0) {
1160                         FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
1161                         claws_fclose(tmpfp);
1162                         account_sigsep_matchlist_delete();
1163                         return;
1164                 }
1165                 debug_print("Viewing text content of type: %s (length: %d)\n", mimeinfo->subtype, mimeinfo->length);
1166                 while (((i = ftell(tmpfp)) < mimeinfo->offset + mimeinfo->length) &&
1167                        (claws_fgets(buf, sizeof(buf), tmpfp) != NULL)
1168                        && continue_write) {
1169                         textview_write_line(textview, buf, conv, TRUE);
1170                         if (textview->stop_loading) {
1171                                 claws_fclose(tmpfp);
1172                                 account_sigsep_matchlist_delete();
1173                                 return;
1174                         }
1175                         wrote += ftell(tmpfp)-i;
1176                         if (mimeinfo->length > 1024*1024
1177                         &&  wrote > 1024*1024
1178                         && !textview->messageview->show_full_text) {
1179                                 continue_write = FALSE;
1180                         }
1181                 }
1182                 claws_fclose(tmpfp);
1183         }
1184
1185         account_sigsep_matchlist_delete();
1186
1187         conv_code_converter_destroy(conv);
1188         procmime_force_encoding(0);
1189
1190         textview->uri_list = g_slist_reverse(textview->uri_list);
1191         for (cur = textview->uri_list; cur; cur = cur->next) {
1192                 ClickableText *uri = (ClickableText *)cur->data;
1193                 if (!uri->is_quote)
1194                         continue;
1195                 if (!prefs_common.hide_quotes ||
1196                     uri->quote_level+1 < prefs_common.hide_quotes) {
1197                         textview_toggle_quote(textview, cur, uri, TRUE);
1198                         if (textview->stop_loading) {
1199                                 return;
1200                         }
1201                 }
1202         }
1203
1204         if (continue_write == FALSE) {
1205                 messageview_show_partial_display(
1206                         textview->messageview,
1207                         textview->messageview->msginfo,
1208                         mimeinfo->length);
1209         }
1210         GTK_EVENTS_FLUSH();
1211 }
1212
1213 static void textview_show_html(TextView *textview, FILE *fp,
1214                                CodeConverter *conv)
1215 {
1216         SC_HTMLParser *parser;
1217         gchar *str;
1218         gint lines = 0;
1219
1220         parser = sc_html_parser_new(fp, conv);
1221         cm_return_if_fail(parser != NULL);
1222
1223         account_sigsep_matchlist_create();
1224
1225         while ((str = sc_html_parse(parser)) != NULL) {
1226                 if (parser->state == SC_HTML_HREF) {
1227                         /* first time : get and copy the URL */
1228                         if (parser->href == NULL) {
1229                                 /* ALF - the claws html parser returns an empty string,
1230                                  * if still inside an <a>, but already parsed past HREF */
1231                                 str = strtok(str, " ");
1232                                 if (str) {
1233                                         while (str && *str && g_ascii_isspace(*str))
1234                                                 str++;
1235                                         parser->href = g_strdup(str);
1236                                         /* the URL may (or not) be followed by the
1237                                          * referenced text */
1238                                         str = strtok(NULL, "");
1239                                 }
1240                         }
1241                         if (str != NULL)
1242                                 textview_write_link(textview, str, parser->href, NULL);
1243                 } else
1244                         textview_write_line(textview, str, NULL, FALSE);
1245                 lines++;
1246                 if (lines % 500 == 0)
1247                         GTK_EVENTS_FLUSH();
1248                 if (textview->stop_loading) {
1249                         account_sigsep_matchlist_delete();
1250                         return;
1251                 }
1252         }
1253         textview_write_line(textview, "\n", NULL, FALSE);
1254
1255         account_sigsep_matchlist_delete();
1256
1257         sc_html_parser_destroy(parser);
1258 }
1259
1260 static void textview_show_ertf(TextView *textview, FILE *fp,
1261                                CodeConverter *conv)
1262 {
1263         ERTFParser *parser;
1264         gchar *str;
1265         gint lines = 0;
1266
1267         parser = ertf_parser_new(fp, conv);
1268         cm_return_if_fail(parser != NULL);
1269
1270         account_sigsep_matchlist_create();
1271
1272         while ((str = ertf_parse(parser)) != NULL) {
1273                 textview_write_line(textview, str, NULL, FALSE);
1274                 lines++;
1275                 if (lines % 500 == 0)
1276                         GTK_EVENTS_FLUSH();
1277                 if (textview->stop_loading) {
1278                         account_sigsep_matchlist_delete();
1279                         return;
1280                 }
1281         }
1282
1283         account_sigsep_matchlist_delete();
1284
1285         ertf_parser_destroy(parser);
1286 }
1287
1288 #define ADD_TXT_POS(bp_, ep_, pti_) \
1289         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1290                 last = last->next; \
1291                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1292                 last->next = NULL; \
1293         } else { \
1294                 g_warning("alloc error scanning URIs"); \
1295                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, \
1296                                                          linebuf, -1, \
1297                                                          fg_tag, NULL); \
1298                 return; \
1299         }
1300
1301 #define ADD_TXT_POS_LATER(bp_, ep_, pti_) \
1302         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1303                 last = last->next; \
1304                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1305                 last->next = NULL; \
1306         } else { \
1307                 g_warning("alloc error scanning URIs"); \
1308         }
1309
1310 /* textview_make_clickable_parts() - colorizes clickable parts */
1311 static void textview_make_clickable_parts(TextView *textview,
1312                                           const gchar *fg_tag,
1313                                           const gchar *uri_tag,
1314                                           const gchar *linebuf,
1315                                           gboolean hdr)
1316 {
1317         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1318         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1319         GtkTextIter iter;
1320         gchar *mybuf = g_strdup(linebuf);
1321
1322         /* parse table - in order of priority */
1323         struct table {
1324                 const gchar *needle; /* token */
1325
1326                 /* token search function */
1327                 gchar    *(*search)     (const gchar *haystack,
1328                                          const gchar *needle);
1329                 /* part parsing function */
1330                 gboolean  (*parse)      (const gchar *start,
1331                                          const gchar *scanpos,
1332                                          const gchar **bp_,
1333                                          const gchar **ep_,
1334                                          gboolean hdr);
1335                 /* part to URI function */
1336                 gchar    *(*build_uri)  (const gchar *bp,
1337                                          const gchar *ep);
1338         };
1339
1340         static struct table parser[] = {
1341                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1342                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1343                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1344                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1345                 {"gopher://",strcasestr, get_uri_part,   make_uri_string},
1346                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1347                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1348                 {"@",        strcasestr, get_email_part, make_email_string}
1349         };
1350         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1351
1352         gint  n;
1353         const gchar *walk, *bp, *ep;
1354
1355         struct txtpos {
1356                 const gchar     *bp, *ep;       /* text position */
1357                 gint             pti;           /* index in parse table */
1358                 struct txtpos   *next;          /* next */
1359         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1360
1361         if (!g_utf8_validate(linebuf, -1, NULL)) {
1362                 g_free(mybuf);
1363                 mybuf = g_malloc(strlen(linebuf)*2 +1);
1364                 conv_localetodisp(mybuf, strlen(linebuf)*2 +1, linebuf);
1365         }
1366
1367         gtk_text_buffer_get_end_iter(buffer, &iter);
1368
1369         /* parse for clickable parts, and build a list of begin and end positions  */
1370         for (walk = mybuf;;) {
1371                 gint last_index = PARSE_ELEMS;
1372                 gchar *scanpos = NULL;
1373
1374                 /* FIXME: this looks phony. scanning for anything in the parse table */
1375                 for (n = 0; n < PARSE_ELEMS; n++) {
1376                         gchar *tmp;
1377
1378                         tmp = parser[n].search(walk, parser[n].needle);
1379                         if (tmp) {
1380                                 if (scanpos == NULL || tmp < scanpos) {
1381                                         scanpos = tmp;
1382                                         last_index = n;
1383                                 }
1384                         }
1385                 }
1386
1387                 if (scanpos) {
1388                         /* check if URI can be parsed */
1389                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, hdr)
1390                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1391                                         ADD_TXT_POS(bp, ep, last_index);
1392                                         walk = ep;
1393                         } else
1394                                 walk = scanpos +
1395                                         strlen(parser[last_index].needle);
1396                 } else
1397                         break;
1398         }
1399
1400         /* colorize this line */
1401         if (head.next) {
1402                 const gchar *normal_text = mybuf;
1403
1404                 /* insert URIs */
1405                 for (last = head.next; last != NULL;
1406                      normal_text = last->ep, last = last->next) {
1407                         ClickableText *uri;
1408                         uri = g_new0(ClickableText, 1);
1409                         if (last->bp - normal_text > 0)
1410                                 gtk_text_buffer_insert_with_tags_by_name
1411                                         (buffer, &iter,
1412                                          normal_text,
1413                                          last->bp - normal_text,
1414                                          fg_tag, NULL);
1415                         uri->uri = parser[last->pti].build_uri(last->bp,
1416                                                                last->ep);
1417                         uri->start = gtk_text_iter_get_offset(&iter);
1418                         gtk_text_buffer_insert_with_tags_by_name
1419                                 (buffer, &iter, last->bp, last->ep - last->bp,
1420                                  uri_tag, fg_tag, NULL);
1421                         uri->end = gtk_text_iter_get_offset(&iter);
1422                         uri->filename = NULL;
1423                         textview->uri_list =
1424                                 g_slist_prepend(textview->uri_list, uri);
1425                 }
1426
1427                 if (*normal_text)
1428                         gtk_text_buffer_insert_with_tags_by_name
1429                                 (buffer, &iter, normal_text, -1, fg_tag, NULL);
1430         } else {
1431                 gtk_text_buffer_insert_with_tags_by_name
1432                         (buffer, &iter, mybuf, -1, fg_tag, NULL);
1433         }
1434         g_free(mybuf);
1435 }
1436
1437 /* textview_make_clickable_parts() - colorizes clickable parts */
1438 static void textview_make_clickable_parts_later(TextView *textview,
1439                                           gint start, gint end)
1440 {
1441         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1442         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1443         GtkTextIter start_iter, end_iter;
1444         gchar *mybuf;
1445         gint offset = 0;
1446         /* parse table - in order of priority */
1447         struct table {
1448                 const gchar *needle; /* token */
1449
1450                 /* token search function */
1451                 gchar    *(*search)     (const gchar *haystack,
1452                                          const gchar *needle);
1453                 /* part parsing function */
1454                 gboolean  (*parse)      (const gchar *start,
1455                                          const gchar *scanpos,
1456                                          const gchar **bp_,
1457                                          const gchar **ep_,
1458                                          gboolean hdr);
1459                 /* part to URI function */
1460                 gchar    *(*build_uri)  (const gchar *bp,
1461                                          const gchar *ep);
1462         };
1463
1464         static struct table parser[] = {
1465                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1466                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1467                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1468                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1469                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1470                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1471                 {"@",        strcasestr, get_email_part, make_email_string}
1472         };
1473         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1474
1475         gint  n;
1476         const gchar *walk, *bp, *ep;
1477
1478         struct txtpos {
1479                 const gchar     *bp, *ep;       /* text position */
1480                 gint             pti;           /* index in parse table */
1481                 struct txtpos   *next;          /* next */
1482         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1483
1484         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start);
1485         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end);
1486         mybuf = gtk_text_buffer_get_text(buffer, &start_iter, &end_iter, FALSE);
1487         offset = gtk_text_iter_get_offset(&start_iter);
1488
1489         /* parse for clickable parts, and build a list of begin and end positions  */
1490         for (walk = mybuf;;) {
1491                 gint last_index = PARSE_ELEMS;
1492                 gchar *scanpos = NULL;
1493
1494                 /* FIXME: this looks phony. scanning for anything in the parse table */
1495                 for (n = 0; n < PARSE_ELEMS; n++) {
1496                         gchar *tmp;
1497
1498                         tmp = parser[n].search(walk, parser[n].needle);
1499                         if (tmp) {
1500                                 if (scanpos == NULL || tmp < scanpos) {
1501                                         scanpos = tmp;
1502                                         last_index = n;
1503                                 }
1504                         }
1505                 }
1506
1507                 if (scanpos) {
1508                         /* check if URI can be parsed */
1509                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, FALSE)
1510                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1511                                         ADD_TXT_POS_LATER(bp, ep, last_index);
1512                                         walk = ep;
1513                         } else
1514                                 walk = scanpos +
1515                                         strlen(parser[last_index].needle);
1516                 } else
1517                         break;
1518         }
1519
1520         /* colorize this line */
1521         if (head.next) {
1522                 /* insert URIs */
1523                 for (last = head.next; last != NULL; last = last->next) {
1524                         ClickableText *uri;
1525                         gint start_offset, end_offset;
1526                         gchar *tmp_str;
1527                         gchar old_char;
1528                         uri = g_new0(ClickableText, 1);
1529                         uri->uri = parser[last->pti].build_uri(last->bp,
1530                                                                last->ep);
1531
1532                         tmp_str = mybuf;
1533                         old_char = tmp_str[last->ep - mybuf];
1534                         tmp_str[last->ep - mybuf] = '\0';
1535                         end_offset = g_utf8_strlen(tmp_str, -1);
1536                         tmp_str[last->ep - mybuf] = old_char;
1537
1538                         old_char = tmp_str[last->bp - mybuf];
1539                         tmp_str[last->bp - mybuf] = '\0';
1540                         start_offset = g_utf8_strlen(tmp_str, -1);
1541                         tmp_str[last->bp - mybuf] = old_char;
1542
1543                         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start_offset + offset);
1544                         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end_offset + offset);
1545
1546                         uri->start = gtk_text_iter_get_offset(&start_iter);
1547
1548                         gtk_text_buffer_apply_tag_by_name(buffer, "link", &start_iter, &end_iter);
1549
1550                         uri->end = gtk_text_iter_get_offset(&end_iter);
1551                         uri->filename = NULL;
1552                         textview->uri_list =
1553                                 g_slist_prepend(textview->uri_list, uri);
1554                 }
1555         }
1556
1557         g_free(mybuf);
1558 }
1559
1560 #undef ADD_TXT_POS
1561
1562 static void textview_write_line(TextView *textview, const gchar *str,
1563                                 CodeConverter *conv, gboolean do_quote_folding)
1564 {
1565         GtkTextView *text;
1566         GtkTextBuffer *buffer;
1567         GtkTextIter iter;
1568         gchar buf[BUFFSIZE];
1569         gchar *fg_color;
1570         gint quotelevel = -1, real_quotelevel = -1;
1571         gchar quote_tag_str[10];
1572
1573         text = GTK_TEXT_VIEW(textview->text);
1574         buffer = gtk_text_view_get_buffer(text);
1575         gtk_text_buffer_get_end_iter(buffer, &iter);
1576
1577         if (!conv)
1578                 strncpy2(buf, str, sizeof(buf));
1579         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1580                 conv_localetodisp(buf, sizeof(buf), str);
1581
1582         strcrchomp(buf);
1583         fg_color = NULL;
1584
1585         /* change color of quotation
1586            >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
1587            Up to 3 levels of quotations are detected, and each
1588            level is colored using a different color. */
1589         if (prefs_common.enable_color
1590             && !textview->is_attachment
1591             && line_has_quote_char(buf, prefs_common.quote_chars)) {
1592                 real_quotelevel = get_quote_level(buf, prefs_common.quote_chars);
1593                 quotelevel = real_quotelevel;
1594                 /* set up the correct foreground color */
1595                 if (quotelevel > 2) {
1596                         /* recycle colors */
1597                         if (prefs_common.recycle_quote_colors)
1598                                 quotelevel %= 3;
1599                         else
1600                                 quotelevel = 2;
1601                 }
1602         }
1603
1604         if (quotelevel == -1)
1605                 fg_color = NULL;
1606         else {
1607                 g_snprintf(quote_tag_str, sizeof(quote_tag_str),
1608                            "quote%d", quotelevel);
1609                 fg_color = quote_tag_str;
1610         }
1611
1612         if (prefs_common.enable_color) {
1613                 if (textview->is_diff || textview->is_in_git_patch) {
1614                         if (strncmp(buf, "+++ ", 4) == 0)
1615                                 fg_color = "diff-add-file";
1616                         else if (buf[0] == '+')
1617                                 fg_color = "diff-add";
1618                         else if (strncmp(buf, "--- ", 4) == 0)
1619                                 fg_color = "diff-del-file";
1620                         else if (buf[0] == '-')
1621                                 fg_color = "diff-del";
1622                         else if (strncmp(buf, "@@ ", 3) == 0 &&
1623                                  strstr(&buf[3], " @@"))
1624                                 fg_color = "diff-hunk";
1625
1626                         if (account_signatures_matchlist_nchar_found(buf, "%s\n")
1627                                 textview->is_in_git_patch = FALSE;
1628                                 textview->is_in_signature = TRUE;
1629                                 fg_color = "signature";
1630                         }
1631                 } else if (account_sigsep_matchlist_str_found(buf, "%s\n")
1632                                 || account_sigsep_matchlist_str_found(buf, "- %s\n")
1633                                 || textview->is_in_signature) {
1634                         fg_color = "signature";
1635                         textview->is_in_signature = TRUE;
1636                 } else if (strncmp(buf, "diff --git ", 11) == 0) {
1637                         textview->is_in_git_patch = TRUE;
1638                 }
1639         }
1640
1641         if (!textview->is_attachment && real_quotelevel > -1 && do_quote_folding) {
1642                 if (!g_utf8_validate(buf, -1, NULL)) {
1643                         gchar *utf8buf = NULL;
1644                         utf8buf = g_malloc(BUFFSIZE);
1645                         conv_localetodisp(utf8buf, BUFFSIZE, buf);
1646                         strncpy2(buf, utf8buf, BUFFSIZE-1);
1647                         g_free(utf8buf);
1648                 }
1649 do_quote:
1650                 if ( textview->prev_quote_level != real_quotelevel ) {
1651                         ClickableText *uri;
1652                         uri = g_new0(ClickableText, 1);
1653                         uri->uri = g_strdup("");
1654                         uri->data = g_strdup(buf);
1655                         uri->data_len = strlen(uri->data);
1656                         uri->start = gtk_text_iter_get_offset(&iter);
1657                         uri->is_quote = TRUE;
1658                         uri->quote_level = real_quotelevel;
1659                         uri->fg_color = g_strdup(fg_color);
1660
1661                         gtk_text_buffer_insert_with_tags_by_name
1662                                         (buffer, &iter, " [...]", -1,
1663                                          "qlink", fg_color, NULL);
1664                         uri->end = gtk_text_iter_get_offset(&iter);
1665                         gtk_text_buffer_insert(buffer, &iter, "  \n", -1);
1666
1667                         uri->filename = NULL;
1668                         textview->uri_list =
1669                                 g_slist_prepend(textview->uri_list, uri);
1670
1671                         textview->prev_quote_level = real_quotelevel;
1672                 } else {
1673                         GSList *last = textview->uri_list;
1674                         ClickableText *lasturi = NULL;
1675                         gint e_len = 0, n_len = 0;
1676
1677                         if (textview->uri_list) {
1678                                 lasturi = (ClickableText *)last->data;
1679                         } else {
1680                                 g_print("oops (%d %d)\n",
1681                                         real_quotelevel, textview->prev_quote_level);
1682                         }
1683                         if (lasturi) {
1684                                 if (lasturi->is_quote == FALSE) {
1685                                         textview->prev_quote_level = -1;
1686                                         goto do_quote;
1687                                 }
1688                                 e_len = lasturi->data ? lasturi->data_len:0;
1689                                 n_len = strlen(buf);
1690                                 lasturi->data = g_realloc((gchar *)lasturi->data, e_len + n_len + 1);
1691                                 strcpy((gchar *)lasturi->data + e_len, buf);
1692                                 *((gchar *)lasturi->data + e_len + n_len) = '\0';
1693                                 lasturi->data_len += n_len;
1694                         }
1695                 }
1696         } else {
1697                 textview_make_clickable_parts(textview, fg_color, "link", buf, FALSE);
1698                 textview->prev_quote_level = -1;
1699         }
1700 }
1701
1702 void textview_write_link(TextView *textview, const gchar *str,
1703                          const gchar *uri, CodeConverter *conv)
1704 {
1705         GtkTextView *text;
1706         GtkTextBuffer *buffer;
1707         GtkTextIter iter;
1708         gchar buf[BUFFSIZE];
1709         gchar *bufp;
1710         ClickableText *r_uri;
1711
1712         if (!str || *str == '\0')
1713                 return;
1714         if (!uri)
1715                 return;
1716
1717         while (uri && *uri && g_ascii_isspace(*uri))
1718                 uri++;
1719
1720         text = GTK_TEXT_VIEW(textview->text);
1721         buffer = gtk_text_view_get_buffer(text);
1722         gtk_text_buffer_get_end_iter(buffer, &iter);
1723
1724         if (!conv)
1725                 strncpy2(buf, str, sizeof(buf));
1726         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1727                 conv_utf8todisp(buf, sizeof(buf), str);
1728
1729         if (g_utf8_validate(buf, -1, NULL) == FALSE)
1730                 return;
1731
1732         strcrchomp(buf);
1733
1734         gtk_text_buffer_get_end_iter(buffer, &iter);
1735         for (bufp = buf; *bufp != '\0'; bufp = g_utf8_next_char(bufp)) {
1736                 gunichar ch;
1737
1738                 ch = g_utf8_get_char(bufp);
1739                 if (!g_unichar_isspace(ch))
1740                         break;
1741         }
1742         if (bufp > buf)
1743                 gtk_text_buffer_insert(buffer, &iter, buf, bufp - buf);
1744
1745         r_uri = g_new0(ClickableText, 1);
1746         r_uri->uri = g_strdup(uri);
1747         r_uri->start = gtk_text_iter_get_offset(&iter);
1748         gtk_text_buffer_insert_with_tags_by_name
1749                 (buffer, &iter, bufp, -1, "link", NULL);
1750         r_uri->end = gtk_text_iter_get_offset(&iter);
1751         r_uri->filename = NULL;
1752         textview->uri_list = g_slist_prepend(textview->uri_list, r_uri);
1753 }
1754
1755 static void textview_set_cursor(GdkWindow *window, GdkCursor *cursor)
1756 {
1757         if (GDK_IS_WINDOW(window))
1758                 gdk_window_set_cursor(window, cursor);
1759 }
1760 void textview_clear(TextView *textview)
1761 {
1762         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1763         GtkTextBuffer *buffer;
1764         GdkWindow *window = gtk_text_view_get_window(text,
1765                                 GTK_TEXT_WINDOW_TEXT);
1766
1767         buffer = gtk_text_view_get_buffer(text);
1768         gtk_text_buffer_set_text(buffer, "", -1);
1769         if (gtk_text_buffer_get_mark(buffer, "body_start"))
1770                 gtk_text_buffer_delete_mark_by_name(buffer, "body_start");
1771         if (gtk_text_buffer_get_mark(buffer, "body_end"))
1772                 gtk_text_buffer_delete_mark_by_name(buffer, "body_end");
1773
1774         TEXTVIEW_STATUSBAR_POP(textview);
1775         textview_uri_list_remove_all(textview->uri_list);
1776         textview->uri_list = NULL;
1777         textview->uri_hover = NULL;
1778         textview->prev_quote_level = -1;
1779
1780         textview->body_pos = 0;
1781         if (textview->image)
1782                 gtk_widget_destroy(textview->image);
1783         textview->image = NULL;
1784         textview->avatar_type = 0;
1785
1786         if (textview->messageview->mainwin->cursor_count == 0) {
1787                 textview_set_cursor(window, text_cursor);
1788         } else {
1789                 textview_set_cursor(window, watch_cursor);
1790         }
1791 }
1792
1793 void textview_destroy(TextView *textview)
1794 {
1795         GtkTextBuffer *buffer;
1796         GtkClipboard *clipboard;
1797
1798         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1799         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1800         gtk_text_buffer_remove_selection_clipboard(buffer, clipboard);
1801
1802         textview_uri_list_remove_all(textview->uri_list);
1803         textview->uri_list = NULL;
1804         textview->prev_quote_level = -1;
1805
1806         g_free(textview);
1807 }
1808
1809 #define CHANGE_TAG_FONT(tagname, font) { \
1810         tag = gtk_text_tag_table_lookup(tags, tagname); \
1811         if (tag) \
1812                 g_object_set(G_OBJECT(tag), "font-desc", font, NULL); \
1813 }
1814
1815 void textview_set_font(TextView *textview, const gchar *codeset)
1816 {
1817         GtkTextTag *tag;
1818         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1819         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
1820         PangoFontDescription *font_desc, *bold_font_desc;
1821
1822         font_desc = pango_font_description_from_string
1823                                         (NORMAL_FONT);
1824         if (font_desc) {
1825                 gtk_widget_modify_font(textview->text, font_desc);
1826                 CHANGE_TAG_FONT("header", font_desc);
1827                 CHANGE_TAG_FONT("hlink", font_desc);
1828                 pango_font_description_free(font_desc);
1829         }
1830         if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
1831                 bold_font_desc = pango_font_description_from_string
1832                                                 (NORMAL_FONT);
1833                 if (bold_font_desc)
1834                         pango_font_description_set_weight
1835                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
1836         } else {
1837                 bold_font_desc = pango_font_description_from_string
1838                                                 (BOLD_FONT);
1839         }
1840         if (bold_font_desc) {
1841                 CHANGE_TAG_FONT("header_title", bold_font_desc);
1842                 pango_font_description_free(bold_font_desc);
1843         }
1844
1845         if (prefs_common.textfont) {
1846                 PangoFontDescription *font_desc;
1847
1848                 font_desc = pango_font_description_from_string
1849                                                 (prefs_common.textfont);
1850                 if (font_desc) {
1851                         gtk_widget_modify_font(textview->text, font_desc);
1852                         pango_font_description_free(font_desc);
1853                 }
1854         }
1855         gtk_text_view_set_pixels_above_lines(GTK_TEXT_VIEW(textview->text),
1856                                              prefs_common.line_space / 2);
1857         gtk_text_view_set_pixels_below_lines(GTK_TEXT_VIEW(textview->text),
1858                                              prefs_common.line_space / 2);
1859 }
1860
1861 void textview_set_text(TextView *textview, const gchar *text)
1862 {
1863         GtkTextView *view;
1864         GtkTextBuffer *buffer;
1865
1866         cm_return_if_fail(textview != NULL);
1867         cm_return_if_fail(text != NULL);
1868
1869         textview_clear(textview);
1870
1871         view = GTK_TEXT_VIEW(textview->text);
1872         buffer = gtk_text_view_get_buffer(view);
1873         gtk_text_buffer_set_text(buffer, text, strlen(text));
1874 }
1875
1876 enum
1877 {
1878         H_DATE          = 0,
1879         H_FROM          = 1,
1880         H_TO            = 2,
1881         H_NEWSGROUPS    = 3,
1882         H_SUBJECT       = 4,
1883         H_CC            = 5,
1884         H_REPLY_TO      = 6,
1885         H_FOLLOWUP_TO   = 7,
1886         H_X_MAILER      = 8,
1887         H_X_NEWSREADER  = 9,
1888         H_USER_AGENT    = 10,
1889         H_ORGANIZATION  = 11,
1890 };
1891
1892 void textview_set_position(TextView *textview, gint pos)
1893 {
1894         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1895
1896         gtkut_text_view_set_position(text, pos);
1897 }
1898
1899 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1900 {
1901         gchar buf[BUFFSIZE];
1902         GPtrArray *headers, *sorted_headers;
1903         GSList *disphdr_list;
1904         Header *header;
1905         gint i;
1906
1907         cm_return_val_if_fail(fp != NULL, NULL);
1908
1909         if (prefs_common.show_all_headers) {
1910                 headers = procheader_get_header_array_asis(fp);
1911                 sorted_headers = g_ptr_array_new();
1912                 for (i = 0; i < headers->len; i++) {
1913                         header = g_ptr_array_index(headers, i);
1914                         if (!procheader_header_is_internal(header->name))
1915                                 g_ptr_array_add(sorted_headers, header);
1916                         else
1917                                 procheader_header_free(header);
1918                 }
1919                 g_ptr_array_free(headers, TRUE);
1920                 return sorted_headers;
1921         }
1922
1923         if (!prefs_common.display_header) {
1924                 while (claws_fgets(buf, sizeof(buf), fp) != NULL)
1925                         if (buf[0] == '\r' || buf[0] == '\n') break;
1926                 return NULL;
1927         }
1928
1929         headers = procheader_get_header_array_asis(fp);
1930
1931         sorted_headers = g_ptr_array_new();
1932
1933         for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1934              disphdr_list = disphdr_list->next) {
1935                 DisplayHeaderProp *dp =
1936                         (DisplayHeaderProp *)disphdr_list->data;
1937
1938                 for (i = 0; i < headers->len; i++) {
1939                         header = g_ptr_array_index(headers, i);
1940
1941                         if (procheader_headername_equal(header->name,
1942                                                         dp->name)) {
1943                                 if (dp->hidden)
1944                                         procheader_header_free(header);
1945                                 else
1946                                         g_ptr_array_add(sorted_headers, header);
1947
1948                                 g_ptr_array_remove_index(headers, i);
1949                                 i--;
1950                         }
1951                 }
1952         }
1953
1954         if (prefs_common.show_other_header) {
1955                 for (i = 0; i < headers->len; i++) {
1956                         header = g_ptr_array_index(headers, i);
1957                         if (!procheader_header_is_internal(header->name)) {
1958                                 g_ptr_array_add(sorted_headers, header);
1959                         } else {
1960                                 procheader_header_free(header);
1961                         }
1962                 }
1963                 g_ptr_array_free(headers, TRUE);
1964         } else
1965                 procheader_header_array_destroy(headers);
1966
1967
1968         return sorted_headers;
1969 }
1970
1971 static void textview_show_avatar(TextView *textview)
1972 {
1973         GtkAllocation allocation;
1974         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1975         MsgInfo *msginfo = textview->messageview->msginfo;
1976         int x = 0;
1977         AvatarRender *avatarr;
1978
1979         if (prefs_common.display_header_pane || !prefs_common.display_xface)
1980                 goto bail;
1981
1982         avatarr = avatars_avatarrender_new(msginfo);
1983         hooks_invoke(AVATAR_IMAGE_RENDER_HOOKLIST, avatarr);
1984
1985         if (!avatarr->image) {
1986                 avatars_avatarrender_free(avatarr);
1987                 goto bail;
1988         }
1989
1990         if (textview->image)
1991                 gtk_widget_destroy(textview->image);
1992
1993         textview->image = avatarr->image;
1994         textview->avatar_type = avatarr->type;
1995         avatarr->image = NULL; /* avoid destroying */
1996         avatars_avatarrender_free(avatarr);
1997
1998         gtk_widget_show(textview->image);
1999
2000         gtk_widget_get_allocation(textview->text, &allocation);
2001         x = allocation.width - WIDTH -5;
2002
2003         gtk_text_view_add_child_in_window(text, textview->image,
2004                 GTK_TEXT_WINDOW_TEXT, x, 5);
2005
2006         gtk_widget_show_all(textview->text);
2007
2008         return;
2009 bail:
2010         if (textview->image)
2011                 gtk_widget_destroy(textview->image);
2012         textview->image = NULL;
2013         textview->avatar_type = 0;
2014 }
2015
2016 void textview_show_icon(TextView *textview, const gchar *stock_id)
2017 {
2018         GtkAllocation allocation;
2019         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2020         int x = 0;
2021
2022         if (textview->image)
2023                 gtk_widget_destroy(textview->image);
2024
2025         textview->image = gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_DIALOG);
2026         cm_return_if_fail(textview->image != NULL);
2027
2028         gtk_widget_show(textview->image);
2029
2030         gtk_widget_get_allocation(textview->text, &allocation);
2031         x = allocation.width - WIDTH -5;
2032
2033         gtk_text_view_add_child_in_window(text, textview->image,
2034                 GTK_TEXT_WINDOW_TEXT, x, 5);
2035
2036         gtk_widget_show_all(textview->text);
2037
2038
2039         return;
2040 }
2041
2042 static void textview_save_contact_pic(TextView *textview)
2043 {
2044 #ifndef USE_ALT_ADDRBOOK
2045         MsgInfo *msginfo = textview->messageview->msginfo;
2046         gchar *filename = NULL;
2047         GError *error = NULL;
2048         GdkPixbuf *picture = NULL;
2049
2050         if (!msginfo->extradata || !msginfo->extradata->avatars)
2051                 return;
2052
2053         if (textview->avatar_type > AVATAR_FACE)
2054                 return;
2055
2056         if (textview->image)
2057                 picture = gtk_image_get_pixbuf(GTK_IMAGE(textview->image));
2058
2059         filename = addrindex_get_picture_file(msginfo->from);
2060         if (!filename)
2061                 return;
2062         if (!is_file_exist(filename)) {
2063                 gdk_pixbuf_save(picture, filename, "png", &error, NULL);
2064                 if (error) {
2065                         g_warning("Failed to save image: %s",
2066                                         error->message);
2067                         g_error_free(error);
2068                 }
2069         }
2070         g_free(filename);
2071 #else
2072         /* new address book */
2073 #endif
2074 }
2075
2076 static void textview_show_contact_pic(TextView *textview)
2077 {
2078 #ifndef USE_ALT_ADDRBOOK
2079         MsgInfo *msginfo = textview->messageview->msginfo;
2080         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2081         int x = 0;
2082         gchar *filename = NULL;
2083         GError *error = NULL;
2084         GdkPixbuf *picture = NULL;
2085         gint w, h;
2086         GtkAllocation allocation;
2087
2088         if (prefs_common.display_header_pane
2089                 || !prefs_common.display_xface)
2090                 goto bail;
2091
2092         if (msginfo->extradata && msginfo->extradata->avatars)
2093                 return;
2094
2095         if (textview->image)
2096                 gtk_widget_destroy(textview->image);
2097
2098         filename = addrindex_get_picture_file(msginfo->from);
2099
2100         if (!filename)
2101                 goto bail;
2102         if (!is_file_exist(filename)) {
2103                 g_free(filename);
2104                 goto bail;
2105         }
2106
2107         gdk_pixbuf_get_file_info(filename, &w, &h);
2108
2109         if (w > 48 || h > 48)
2110                 picture = gdk_pixbuf_new_from_file_at_scale(filename,
2111                                                 48, 48, TRUE, &error);
2112         else
2113                 picture = gdk_pixbuf_new_from_file(filename, &error);
2114
2115         if (error) {
2116                 debug_print("Failed to import image: %s\n",
2117                                 error->message);
2118                 g_error_free(error);
2119                 goto bail;
2120         }
2121         g_free(filename);
2122
2123         if (picture) {
2124                 textview->image = gtk_image_new_from_pixbuf(picture);
2125                 g_object_unref(picture);
2126         }
2127         cm_return_if_fail(textview->image != NULL);
2128
2129         gtk_widget_show(textview->image);
2130
2131         gtk_widget_get_allocation(textview->text, &allocation);
2132         x = allocation.width - WIDTH -5;
2133
2134         gtk_text_view_add_child_in_window(text, textview->image,
2135                 GTK_TEXT_WINDOW_TEXT, x, 5);
2136
2137         gtk_widget_show_all(textview->text);
2138
2139         return;
2140 bail:
2141         if (textview->image)
2142                 gtk_widget_destroy(textview->image);
2143         textview->image = NULL;
2144         textview->avatar_type = 0;
2145 #else
2146         /* new address book */
2147 #endif
2148 }
2149
2150 static gint textview_tag_cmp_list(gconstpointer a, gconstpointer b)
2151 {
2152         gint id_a = GPOINTER_TO_INT(a);
2153         gint id_b = GPOINTER_TO_INT(b);
2154         const gchar *tag_a = tags_get_tag(id_a);
2155         const gchar *tag_b = tags_get_tag(id_b);
2156
2157         if (tag_a == NULL)
2158                 return tag_b == NULL ? 0:1;
2159
2160         if (tag_b == NULL)
2161                 return 1;
2162
2163         return g_utf8_collate(tag_a, tag_b);
2164 }
2165
2166
2167 static void textview_show_tags(TextView *textview)
2168 {
2169         MsgInfo *msginfo = textview->messageview->msginfo;
2170         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2171         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2172         GtkTextIter iter;
2173         ClickableText *uri;
2174         GSList *cur, *orig;
2175         gboolean found_tag = FALSE;
2176
2177         if (!msginfo->tags)
2178                 return;
2179
2180         cur = orig = g_slist_sort(g_slist_copy(msginfo->tags), textview_tag_cmp_list);
2181
2182         for (; cur; cur = cur->next) {
2183                 if (tags_get_tag(GPOINTER_TO_INT(cur->data)) != NULL) {
2184                         found_tag = TRUE;
2185                         break;
2186                 }
2187         }
2188         if (!found_tag) {
2189                 g_slist_free(orig);
2190                 return;
2191         }
2192
2193         gtk_text_buffer_get_end_iter (buffer, &iter);
2194         gtk_text_buffer_insert_with_tags_by_name(buffer,
2195                 &iter, _("Tags: "), -1,
2196                 "header_title", "header", "tags", NULL);
2197
2198         for (cur = orig; cur; cur = cur->next) {
2199                 const gchar *cur_tag = tags_get_tag(GPOINTER_TO_INT(cur->data));
2200                 if (!cur_tag)
2201                         continue;
2202                 uri = g_new0(ClickableText, 1);
2203                 uri->uri = g_strdup("");
2204                 uri->start = gtk_text_iter_get_offset(&iter);
2205                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
2206                         cur_tag, -1,
2207                         "link", "header", "tags", NULL);
2208                 uri->end = gtk_text_iter_get_offset(&iter);
2209                 uri->filename = g_strdup_printf("sc://search_tags:%s", cur_tag);
2210                 uri->data = NULL;
2211                 textview->uri_list =
2212                         g_slist_prepend(textview->uri_list, uri);
2213                 if (cur->next && tags_get_tag(GPOINTER_TO_INT(cur->next->data)))
2214                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, ", ", 2,
2215                                 "header", "tags", NULL);
2216                 else
2217                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, " ", 1,
2218                                 "header", "tags", NULL);
2219         }
2220         g_slist_free(orig);
2221
2222         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2223                 "header", "tags", NULL);
2224 }
2225
2226 static void textview_show_header(TextView *textview, GPtrArray *headers)
2227 {
2228         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2229         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2230         GtkTextIter iter;
2231         Header *header;
2232         gint i;
2233
2234         cm_return_if_fail(headers != NULL);
2235
2236         for (i = 0; i < headers->len; i++) {
2237                 header = g_ptr_array_index(headers, i);
2238                 cm_return_if_fail(header->name != NULL);
2239
2240                 gtk_text_buffer_get_end_iter (buffer, &iter);
2241                 if(prefs_common.trans_hdr == TRUE) {
2242                         gchar *hdr = g_strndup(header->name, strlen(header->name) - 1);
2243                         gchar *trans_hdr = gettext(hdr);
2244                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2245                                 &iter, trans_hdr, -1,
2246                                 "header_title", "header", NULL);
2247                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2248                                 &iter, ":", 1, "header_title", "header", NULL);
2249                         g_free(hdr);
2250                 } else {
2251                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2252                                 &iter, header->name,
2253                                 -1, "header_title", "header", NULL);
2254                 }
2255                 if (header->name[strlen(header->name) - 1] != ' ')
2256                 gtk_text_buffer_insert_with_tags_by_name
2257                                 (buffer, &iter, " ", 1,
2258                                  "header_title", "header", NULL);
2259
2260                 if (procheader_headername_equal(header->name, "Subject") ||
2261                     procheader_headername_equal(header->name, "From") ||
2262                     procheader_headername_equal(header->name, "To") ||
2263                     procheader_headername_equal(header->name, "Cc") ||
2264                     procheader_headername_equal(header->name, "Bcc") ||
2265                     procheader_headername_equal(header->name, "Reply-To") ||
2266                     procheader_headername_equal(header->name, "Sender") ||
2267                     procheader_headername_equal(header->name, "Resent-From") ||
2268                     procheader_headername_equal(header->name, "Resent-To"))
2269                         unfold_line(header->body);
2270
2271                 if (procheader_headername_equal(header->name, "Date") &&
2272                     prefs_common.msgview_date_format) {
2273                         gchar hbody[80];
2274
2275                         procheader_date_parse(hbody, header->body, sizeof(hbody));
2276                         gtk_text_buffer_get_end_iter (buffer, &iter);
2277                         gtk_text_buffer_insert_with_tags_by_name
2278                                 (buffer, &iter, hbody, -1, "header", NULL);
2279                 } else if ((procheader_headername_equal(header->name, "X-Mailer") ||
2280                                 procheader_headername_equal(header->name,
2281                                                  "X-Newsreader")) &&
2282                                 (strstr(header->body, "Claws Mail") != NULL ||
2283                                 strstr(header->body, "Sylpheed-Claws") != NULL)) {
2284                         gtk_text_buffer_get_end_iter (buffer, &iter);
2285                         gtk_text_buffer_insert_with_tags_by_name
2286                                 (buffer, &iter, header->body, -1,
2287                                  "header", "emphasis", NULL);
2288                 } else {
2289                         gboolean hdr =
2290                           procheader_headername_equal(header->name, "From") ||
2291                           procheader_headername_equal(header->name, "To") ||
2292                           procheader_headername_equal(header->name, "Cc") ||
2293                           procheader_headername_equal(header->name, "Bcc") ||
2294                           procheader_headername_equal(header->name, "Reply-To") ||
2295                           procheader_headername_equal(header->name, "Sender") ||
2296                           procheader_headername_equal(header->name, "Resent-From") ||
2297                           procheader_headername_equal(header->name, "Resent-To");
2298                         textview_make_clickable_parts(textview, "header",
2299                                                       "hlink", header->body,
2300                                                       hdr);
2301                 }
2302                 gtk_text_buffer_get_end_iter (buffer, &iter);
2303                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2304                                                          "header", NULL);
2305         }
2306
2307         textview_show_avatar(textview);
2308
2309         textview_save_contact_pic(textview);
2310         textview_show_contact_pic(textview);
2311 }
2312
2313 gboolean textview_search_string(TextView *textview, const gchar *str,
2314                                 gboolean case_sens)
2315 {
2316         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2317
2318         return gtkut_text_view_search_string(text, str, case_sens);
2319 }
2320
2321 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
2322                                          gboolean case_sens)
2323 {
2324         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2325
2326         return gtkut_text_view_search_string_backward(text, str, case_sens);
2327 }
2328
2329 void textview_scroll_one_line(TextView *textview, gboolean up)
2330 {
2331         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2332         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2333
2334         gtkutils_scroll_one_line(GTK_WIDGET(text), vadj, up);
2335 }
2336
2337 gboolean textview_scroll_page(TextView *textview, gboolean up)
2338 {
2339         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2340         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2341
2342         return gtkutils_scroll_page(GTK_WIDGET(text), vadj, up);
2343 }
2344
2345 void textview_scroll_max(TextView *textview, gboolean up)
2346 {
2347         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2348         GtkTextIter iter;
2349
2350         if (up) {
2351                 gtk_text_buffer_get_start_iter(buffer, &iter);
2352                 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview->text),
2353                                                 &iter, 0.0, TRUE, 0.0, 1.0);
2354
2355         } else {
2356                 gtk_text_buffer_get_end_iter(buffer, &iter);
2357                 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview->text),
2358                                                 &iter, 0.0, TRUE, 0.0, 0.0);
2359         }
2360 }
2361
2362 #define KEY_PRESS_EVENT_STOP() \
2363         g_signal_stop_emission_by_name(G_OBJECT(widget), \
2364                                        "key_press_event");
2365
2366 static gint textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2367                                  TextView *textview)
2368 {
2369         GdkWindow *window = NULL;
2370         SummaryView *summaryview = NULL;
2371         MessageView *messageview = textview->messageview;
2372         gboolean mod_pressed;
2373
2374         if (!event) return FALSE;
2375         if (messageview->mainwin)
2376                 summaryview = messageview->mainwin->summaryview;
2377
2378         switch (event->keyval) {
2379         case GDK_KEY_Tab:
2380         case GDK_KEY_Left:
2381         case GDK_KEY_Up:
2382         case GDK_KEY_Right:
2383         case GDK_KEY_Down:
2384         case GDK_KEY_Control_L:
2385         case GDK_KEY_Control_R:
2386                 return FALSE;
2387         case GDK_KEY_Home:
2388         case GDK_KEY_End:
2389                 textview_scroll_max(textview,(event->keyval == GDK_KEY_Home));
2390                 return TRUE;
2391         case GDK_KEY_space:
2392                 mod_pressed = ((event->state & (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2393                 if (!mimeview_scroll_page(messageview->mimeview, mod_pressed) &&
2394                                 summaryview != NULL) {
2395                         if (mod_pressed)
2396                                 summary_select_prev_unread(summaryview);
2397                         else
2398                                 summary_select_next_unread(summaryview);
2399                 }
2400                 break;
2401         case GDK_KEY_Page_Down:
2402                 mimeview_scroll_page(messageview->mimeview, FALSE);
2403                 break;
2404         case GDK_KEY_Page_Up:
2405         case GDK_KEY_BackSpace:
2406                 mimeview_scroll_page(messageview->mimeview, TRUE);
2407                 break;
2408         case GDK_KEY_Return:
2409         case GDK_KEY_KP_Enter:
2410                 mimeview_scroll_one_line
2411                         (messageview->mimeview, (event->state &
2412                                     (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2413                 break;
2414         case GDK_KEY_Delete:
2415                 if (summaryview)
2416                         summary_pass_key_press_event(summaryview, event);
2417                 break;
2418         default:
2419                 if (messageview->mainwin) {
2420                         window = gtk_widget_get_window(messageview->mainwin->window);
2421                         if (summaryview &&
2422                             event->window != window) {
2423                                 GdkEventKey tmpev = *event;
2424
2425                                 tmpev.window = window;
2426                                 KEY_PRESS_EVENT_STOP();
2427                                 gtk_widget_event(messageview->mainwin->window,
2428                                                  (GdkEvent *)&tmpev);
2429                         }
2430                 }
2431                 break;
2432         }
2433
2434         return TRUE;
2435 }
2436
2437 static gboolean textview_motion_notify(GtkWidget *widget,
2438                                        GdkEventMotion *event,
2439                                        TextView *textview)
2440 {
2441         if (textview->loading)
2442                 return FALSE;
2443         textview_uri_update(textview, event->x, event->y);
2444         gdk_window_get_pointer(gtk_widget_get_window(widget), NULL, NULL, NULL);
2445
2446         return FALSE;
2447 }
2448
2449 static gboolean textview_leave_notify(GtkWidget *widget,
2450                                       GdkEventCrossing *event,
2451                                       TextView *textview)
2452 {
2453         if (textview->loading)
2454                 return FALSE;
2455         textview_uri_update(textview, -1, -1);
2456
2457         return FALSE;
2458 }
2459
2460 static gboolean textview_visibility_notify(GtkWidget *widget,
2461                                            GdkEventVisibility *event,
2462                                            TextView *textview)
2463 {
2464         gint wx, wy;
2465         GdkWindow *window;
2466
2467         if (textview->loading)
2468                 return FALSE;
2469
2470         window = gtk_text_view_get_window(GTK_TEXT_VIEW(widget),
2471                                           GTK_TEXT_WINDOW_TEXT);
2472
2473         /* check if occurred for the text window part */
2474         if (window != event->window)
2475                 return FALSE;
2476
2477         gdk_window_get_pointer(gtk_widget_get_window(widget), &wx, &wy, NULL);
2478         textview_uri_update(textview, wx, wy);
2479
2480         return FALSE;
2481 }
2482
2483 void textview_cursor_wait(TextView *textview)
2484 {
2485         GdkWindow *window = gtk_text_view_get_window(
2486                         GTK_TEXT_VIEW(textview->text),
2487                         GTK_TEXT_WINDOW_TEXT);
2488         textview_set_cursor(window, watch_cursor);
2489 }
2490
2491 void textview_cursor_normal(TextView *textview)
2492 {
2493         GdkWindow *window = gtk_text_view_get_window(
2494                         GTK_TEXT_VIEW(textview->text),
2495                         GTK_TEXT_WINDOW_TEXT);
2496         textview_set_cursor(window, text_cursor);
2497 }
2498
2499 static void textview_uri_update(TextView *textview, gint x, gint y)
2500 {
2501         GtkTextBuffer *buffer;
2502         GtkTextIter start_iter, end_iter;
2503         ClickableText *uri = NULL;
2504
2505         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2506
2507         if (x != -1 && y != -1) {
2508                 gint bx, by;
2509                 GtkTextIter iter;
2510                 GSList *tags;
2511                 GSList *cur;
2512
2513                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview->text),
2514                                                       GTK_TEXT_WINDOW_WIDGET,
2515                                                       x, y, &bx, &by);
2516                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview->text),
2517                                                    &iter, bx, by);
2518
2519                 tags = gtk_text_iter_get_tags(&iter);
2520                 for (cur = tags; cur != NULL; cur = cur->next) {
2521                         GtkTextTag *tag = cur->data;
2522                         char *name;
2523
2524                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
2525
2526                         if ((!strcmp(name, "link") || !strcmp(name, "hlink"))
2527                             && textview_get_uri_range(textview, &iter, tag,
2528                                                       &start_iter, &end_iter)) {
2529
2530                                 uri = textview_get_uri_from_range(textview,
2531                                                                   &iter, tag,
2532                                                                   &start_iter,
2533                                                                   &end_iter);
2534                         }
2535                         g_free(name);
2536                         if (uri)
2537                                 break;
2538                 }
2539                 g_slist_free(tags);
2540         }
2541
2542         if (uri != textview->uri_hover) {
2543                 GdkWindow *window;
2544
2545                 if (textview->uri_hover)
2546                         gtk_text_buffer_remove_tag_by_name(buffer,
2547                                                            "link-hover",
2548                                                            &textview->uri_hover_start_iter,
2549                                                            &textview->uri_hover_end_iter);
2550
2551                 textview->uri_hover = uri;
2552                 if (uri) {
2553                         textview->uri_hover_start_iter = start_iter;
2554                         textview->uri_hover_end_iter = end_iter;
2555                 }
2556
2557                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview->text),
2558                                                   GTK_TEXT_WINDOW_TEXT);
2559                 if (textview->messageview->mainwin->cursor_count == 0) {
2560                         textview_set_cursor(window, uri ? hand_cursor : text_cursor);
2561                 } else {
2562                         textview_set_cursor(window, watch_cursor);
2563                 }
2564
2565                 TEXTVIEW_STATUSBAR_POP(textview);
2566
2567                 if (uri) {
2568                         if (!uri->is_quote)
2569                                 gtk_text_buffer_apply_tag_by_name(buffer,
2570                                                           "link-hover",
2571                                                           &start_iter,
2572                                                           &end_iter);
2573                         TEXTVIEW_STATUSBAR_PUSH(textview, uri->uri);
2574                 }
2575         }
2576 }
2577
2578 static gboolean textview_get_uri_range(TextView *textview,
2579                                        GtkTextIter *iter,
2580                                        GtkTextTag *tag,
2581                                        GtkTextIter *start_iter,
2582                                        GtkTextIter *end_iter)
2583 {
2584         return get_tag_range(iter, tag, start_iter, end_iter);
2585 }
2586
2587 static ClickableText *textview_get_uri_from_range(TextView *textview,
2588                                               GtkTextIter *iter,
2589                                               GtkTextTag *tag,
2590                                               GtkTextIter *start_iter,
2591                                               GtkTextIter *end_iter)
2592 {
2593         gint start_pos, end_pos, cur_pos;
2594         ClickableText *uri = NULL;
2595         GSList *cur;
2596
2597         start_pos = gtk_text_iter_get_offset(start_iter);
2598         end_pos = gtk_text_iter_get_offset(end_iter);
2599         cur_pos = gtk_text_iter_get_offset(iter);
2600
2601         for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
2602                 ClickableText *uri_ = (ClickableText *)cur->data;
2603                 if (start_pos == uri_->start &&
2604                     end_pos ==  uri_->end) {
2605                         uri = uri_;
2606                         break;
2607                 }
2608         }
2609         for (cur = textview->uri_list; uri == NULL && cur != NULL; cur = cur->next) {
2610                 ClickableText *uri_ = (ClickableText *)cur->data;
2611                 if (start_pos == uri_->start ||
2612                            end_pos == uri_->end) {
2613                         /* in case of contiguous links, textview_get_uri_range
2614                          * returns a broader range (start of 1st link to end
2615                          * of last link).
2616                          * In that case, correct link is the one covering
2617                          * current iter.
2618                          */
2619                         if (uri_->start <= cur_pos && cur_pos <= uri_->end) {
2620                                 uri = uri_;
2621                                 break;
2622                         }
2623                 }
2624         }
2625
2626         return uri;
2627 }
2628
2629 static ClickableText *textview_get_uri(TextView *textview,
2630                                    GtkTextIter *iter,
2631                                    GtkTextTag *tag)
2632 {
2633         GtkTextIter start_iter, end_iter;
2634         ClickableText *uri = NULL;
2635
2636         if (textview_get_uri_range(textview, iter, tag, &start_iter,
2637                                    &end_iter))
2638                 uri = textview_get_uri_from_range(textview, iter, tag,
2639                                                   &start_iter, &end_iter);
2640
2641         return uri;
2642 }
2643
2644 static void textview_shift_uris_after(TextView *textview, GSList *start_list, gint start, gint shift)
2645 {
2646         GSList *cur;
2647         if (!start_list)
2648                 start_list = textview->uri_list;
2649
2650         for (cur = start_list; cur; cur = cur->next) {
2651                 ClickableText *uri = (ClickableText *)cur->data;
2652                 if (uri->start <= start)
2653                         continue;
2654                 uri->start += shift;
2655                 uri->end += shift;
2656         }
2657 }
2658
2659 static void textview_remove_uris_in(TextView *textview, gint start, gint end)
2660 {
2661         GSList *cur;
2662         for (cur = textview->uri_list; cur; ) {
2663                 ClickableText *uri = (ClickableText *)cur->data;
2664                 if (uri->start > start && uri->end < end) {
2665                         cur = cur->next;
2666                         textview->uri_list = g_slist_remove(textview->uri_list, uri);
2667                         g_free(uri->uri);
2668                         g_free(uri->filename);
2669                         if (uri->is_quote) {
2670                                 g_free(uri->fg_color);
2671                                 g_free(uri->data);
2672                                 /* (only free data in quotes uris) */
2673                         }
2674                         g_free(uri);
2675                 } else {
2676                         cur = cur->next;
2677                 }
2678
2679         }
2680 }
2681
2682 static void textview_toggle_quote(TextView *textview, GSList *start_list, ClickableText *uri, gboolean expand_only)
2683 {
2684         GtkTextIter start, end;
2685         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2686
2687         if (!uri->is_quote)
2688                 return;
2689
2690         if (uri->q_expanded && expand_only)
2691                 return;
2692
2693         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2694         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2695         if (textview->uri_hover)
2696                 gtk_text_buffer_remove_tag_by_name(buffer,
2697                                                    "link-hover",
2698                                                    &textview->uri_hover_start_iter,
2699                                                    &textview->uri_hover_end_iter);
2700         textview->uri_hover = NULL;
2701         gtk_text_buffer_remove_tag_by_name(buffer,
2702                                            "qlink",
2703                                            &start,
2704                                            &end);
2705         /* when shifting URIs start and end, we have to do it per-UTF8-char
2706          * so use g_utf8_strlen(). OTOH, when inserting in the text buffer,
2707          * we have to pass a number of bytes, so use strlen(). disturbing. */
2708
2709         if (!uri->q_expanded) {
2710                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2711                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2712                 textview_shift_uris_after(textview, start_list, uri->start,
2713                         g_utf8_strlen((gchar *)uri->data, -1)-strlen(" [...]\n"));
2714                 gtk_text_buffer_delete(buffer, &start, &end);
2715                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2716                 gtk_text_buffer_insert_with_tags_by_name
2717                                 (buffer, &start, (gchar *)uri->data,
2718                                  strlen((gchar *)uri->data)-1,
2719                                  "qlink", (gchar *)uri->fg_color, NULL);
2720                 uri->end = gtk_text_iter_get_offset(&start);
2721                 textview_make_clickable_parts_later(textview,
2722                                           uri->start, uri->end);
2723                 uri->q_expanded = TRUE;
2724         } else {
2725                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2726                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2727                 textview_remove_uris_in(textview, uri->start, uri->end);
2728                 textview_shift_uris_after(textview, start_list, uri->start,
2729                         strlen(" [...]\n")-g_utf8_strlen((gchar *)uri->data, -1));
2730                 gtk_text_buffer_delete(buffer, &start, &end);
2731                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2732                 gtk_text_buffer_insert_with_tags_by_name
2733                                 (buffer, &start, " [...]", -1,
2734                                  "qlink", (gchar *)uri->fg_color, NULL);
2735                 uri->end = gtk_text_iter_get_offset(&start);
2736                 uri->q_expanded = FALSE;
2737         }
2738         if (textview->messageview->mainwin->cursor_count == 0) {
2739                 textview_cursor_normal(textview);
2740         } else {
2741                 textview_cursor_wait(textview);
2742         }
2743 }
2744 static gboolean textview_uri_button_pressed(GtkTextTag *tag, GObject *obj,
2745                                             GdkEvent *event, GtkTextIter *iter,
2746                                             TextView *textview)
2747 {
2748         GdkEventButton *bevent;
2749         ClickableText *uri = NULL;
2750         char *tagname;
2751         gboolean qlink = FALSE;
2752
2753         if (!event)
2754                 return FALSE;
2755
2756         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
2757                 && event->type != GDK_MOTION_NOTIFY)
2758                 return FALSE;
2759
2760         uri = textview_get_uri(textview, iter, tag);
2761         if (!uri)
2762                 return FALSE;
2763
2764         g_object_get(G_OBJECT(tag), "name", &tagname, NULL);
2765
2766         if (!strcmp(tagname, "qlink"))
2767                 qlink = TRUE;
2768
2769         g_free(tagname);
2770
2771         bevent = (GdkEventButton *) event;
2772
2773         /* doubleclick: open compose / add address / browser */
2774         if (qlink && event->type == GDK_BUTTON_PRESS && bevent->button != 1) {
2775                 /* pass rightclick through */
2776                 return FALSE;
2777         } else if ((event->type == (qlink ? GDK_2BUTTON_PRESS:GDK_BUTTON_PRESS) && bevent->button == 1) ||
2778                 bevent->button == 2 || bevent->button == 3) {
2779                 if (uri->filename && !g_ascii_strncasecmp(uri->filename, "sc://", 5)) {
2780                         MimeView *mimeview =
2781                                 (textview->messageview)?
2782                                         textview->messageview->mimeview:NULL;
2783                         if (mimeview && bevent->button == 1) {
2784                                 mimeview_handle_cmd(mimeview, uri->filename, NULL, uri->data);
2785                         } else if (mimeview && bevent->button == 2 &&
2786                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2787                                 mimeview_handle_cmd(mimeview, "sc://open_attachment", NULL, uri->data);
2788                         } else if (mimeview && bevent->button == 3 &&
2789                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2790                                 mimeview_handle_cmd(mimeview, "sc://menu_attachment", bevent, uri->data);
2791                         }
2792                         return TRUE;
2793                 } else if (qlink && bevent->button == 1) {
2794                         if (prefs_common.hide_quoted) {
2795                                 textview_toggle_quote(textview, NULL, uri, FALSE);
2796                                 return TRUE;
2797                         } else
2798                                 return FALSE;
2799                 } else if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) {
2800                         if (bevent->button == 3) {
2801                                 g_object_set_data(
2802                                         G_OBJECT(textview->mail_popup_menu),
2803                                         "menu_button", uri);
2804                                 gtk_menu_popup(GTK_MENU(textview->mail_popup_menu),
2805                                                NULL, NULL, NULL, NULL,
2806                                                bevent->button, bevent->time);
2807                         } else {
2808                                 PrefsAccount *account = NULL;
2809                                 FolderItem   *folder_item = NULL;
2810                                 Compose *compose;
2811
2812                                 if (textview->messageview && textview->messageview->msginfo &&
2813                                     textview->messageview->msginfo->folder) {
2814
2815
2816                                         folder_item = textview->messageview->msginfo->folder;
2817                                         if (folder_item->prefs && folder_item->prefs->enable_default_account)
2818                                                 account = account_find_from_id(folder_item->prefs->default_account);
2819                                         if (!account)
2820                                                 account = account_find_from_item(folder_item);
2821                                 }
2822                                 compose = compose_new_with_folderitem(account,
2823                                                                 folder_item, uri->uri + 7);
2824                                 compose_check_for_email_account(compose);
2825                         }
2826                         return TRUE;
2827                 } else if (g_ascii_strncasecmp(uri->uri, "file:", 5)) {
2828                         if (bevent->button == 1 &&
2829                             textview_uri_security_check(textview, uri) == TRUE)
2830                                         open_uri(uri->uri,
2831                                                  prefs_common_get_uri_cmd());
2832                         else if (bevent->button == 3 && !qlink) {
2833                                 g_object_set_data(
2834                                         G_OBJECT(textview->link_popup_menu),
2835                                         "menu_button", uri);
2836                                 gtk_menu_popup(GTK_MENU(textview->link_popup_menu),
2837                                                NULL, NULL, NULL, NULL,
2838                                                bevent->button, bevent->time);
2839                         }
2840                         return TRUE;
2841                 } else {
2842                         if (bevent->button == 3 && !qlink) {
2843                                 g_object_set_data(
2844                                         G_OBJECT(textview->file_popup_menu),
2845                                         "menu_button", uri);
2846                                 gtk_menu_popup(GTK_MENU(textview->file_popup_menu),
2847                                                NULL, NULL, NULL, NULL,
2848                                                bevent->button, bevent->time);
2849                                 return TRUE;
2850                         }
2851                 }
2852         }
2853
2854         return FALSE;
2855 }
2856
2857 gchar *textview_get_visible_uri         (TextView       *textview,
2858                                          ClickableText  *uri)
2859 {
2860         GtkTextBuffer *buffer;
2861         GtkTextIter start, end;
2862
2863         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2864
2865         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2866         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2867
2868         return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
2869 }
2870
2871 /*!
2872  *\brief    Check to see if a web URL has been disguised as a different
2873  *          URL (possible with HTML email).
2874  *
2875  *\param    uri The uri to check
2876  *
2877  *\param    textview The TextView the URL is contained in
2878  *
2879  *\return   gboolean TRUE if the URL is ok, or if the user chose to open
2880  *          it anyway, otherwise FALSE
2881  */
2882 gboolean textview_uri_security_check(TextView *textview, ClickableText *uri)
2883 {
2884         gchar *visible_str;
2885         gboolean retval = TRUE;
2886
2887         if (is_uri_string(uri->uri) == FALSE)
2888                 return TRUE;
2889
2890         visible_str = textview_get_visible_uri(textview, uri);
2891         if (visible_str == NULL)
2892                 return TRUE;
2893
2894         g_strstrip(visible_str);
2895
2896         if (strcmp(visible_str, uri->uri) != 0 && is_uri_string(visible_str)) {
2897                 gchar *uri_path;
2898                 gchar *visible_uri_path;
2899
2900                 uri_path = get_uri_path(uri->uri);
2901                 visible_uri_path = get_uri_path(visible_str);
2902                 if (path_cmp(uri_path, visible_uri_path) != 0)
2903                         retval = FALSE;
2904         }
2905
2906         if (retval == FALSE) {
2907                 gchar *msg;
2908                 AlertValue aval;
2909
2910                 msg = g_markup_printf_escaped("%s\n\n"
2911                                                 "<b>%s</b> %s\n\n"
2912                                                 "<b>%s</b> %s\n\n"
2913                                                 "%s",
2914                                                 _("The real URL is different from the displayed URL."),
2915                                                 _("Displayed URL:"), visible_str,
2916                                                 _("Real URL:"), uri->uri,
2917                                                 _("Open it anyway?"));
2918                 aval = alertpanel_full(_("Phishing attempt warning"), msg,
2919                                        GTK_STOCK_CANCEL, _("_Open URL"), NULL, ALERTFOCUS_FIRST,
2920                                                          FALSE, NULL, ALERT_WARNING);
2921                 g_free(msg);
2922                 if (aval == G_ALERTALTERNATE)
2923                         retval = TRUE;
2924         }
2925
2926         g_free(visible_str);
2927
2928         return retval;
2929 }
2930
2931 static void textview_uri_list_remove_all(GSList *uri_list)
2932 {
2933         GSList *cur;
2934
2935         for (cur = uri_list; cur != NULL; cur = cur->next) {
2936                 if (cur->data) {
2937                         g_free(((ClickableText *)cur->data)->uri);
2938                         g_free(((ClickableText *)cur->data)->filename);
2939                         if (((ClickableText *)cur->data)->is_quote) {
2940                                 g_free(((ClickableText *)cur->data)->fg_color);
2941                                 g_free(((ClickableText *)cur->data)->data);
2942                                 /* (only free data in quotes uris) */
2943                         }
2944                         g_free(cur->data);
2945                 }
2946         }
2947
2948         g_slist_free(uri_list);
2949 }
2950
2951 static void open_uri_cb (GtkAction *action, TextView *textview)
2952 {
2953         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2954                                            "menu_button");
2955         const gchar *raw_url = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2956                                            "raw_url");
2957
2958         if (uri) {
2959                 if (textview_uri_security_check(textview, uri) == TRUE)
2960                         open_uri(uri->uri,
2961                                  prefs_common_get_uri_cmd());
2962                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2963                                   NULL);
2964         }
2965         if (raw_url) {
2966                 open_uri(raw_url, prefs_common_get_uri_cmd());
2967                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
2968                                   NULL);
2969         }
2970 }
2971
2972 static void copy_uri_cb (GtkAction *action, TextView *textview)
2973 {
2974         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2975                                            "menu_button");
2976         const gchar *raw_url =  g_object_get_data(G_OBJECT(textview->link_popup_menu),
2977                                            "raw_url");
2978         if (uri) {
2979                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri, -1);
2980                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri, -1);
2981                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2982                           NULL);
2983         }
2984         if (raw_url) {
2985                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), raw_url, -1);
2986                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), raw_url, -1);
2987                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
2988                           NULL);
2989         }
2990 }
2991
2992 static void add_uri_to_addrbook_cb (GtkAction *action, TextView *textview)
2993 {
2994         gchar *fromname, *fromaddress;
2995         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
2996                                            "menu_button");
2997         AvatarRender *avatarr = NULL;
2998         GdkPixbuf *picture = NULL;
2999         gboolean use_picture = FALSE;
3000
3001         if (uri == NULL)
3002                 return;
3003
3004         /* extract url */
3005         fromaddress = g_strdup(uri->uri + 7);
3006
3007         if (textview->messageview->msginfo &&
3008            !g_strcmp0(fromaddress, textview->messageview->msginfo->from))
3009                 use_picture = TRUE;
3010
3011         fromname = procheader_get_fromname(fromaddress);
3012         extract_address(fromaddress);
3013
3014         if (use_picture) {
3015                 avatarr = avatars_avatarrender_new(textview->messageview->msginfo);
3016                 hooks_invoke(AVATAR_IMAGE_RENDER_HOOKLIST, avatarr);
3017         }
3018
3019         if (avatarr && avatarr->image) {
3020                 picture = gtk_image_get_pixbuf(GTK_IMAGE(avatarr->image));
3021         }
3022         if (avatarr) {
3023                 avatars_avatarrender_free(avatarr);
3024         }
3025
3026 #ifndef USE_ALT_ADDRBOOK
3027         addressbook_add_contact( fromname, fromaddress, NULL, picture);
3028 #else
3029         if (addressadd_selection(fromname, fromaddress, NULL, picture)) {
3030                 debug_print( "addressbook_add_contact - added\n" );
3031         }
3032 #endif
3033
3034         g_free(fromaddress);
3035         g_free(fromname);
3036 }
3037
3038 static void reply_to_uri_cb (GtkAction *action, TextView *textview)
3039 {
3040         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3041                                            "menu_button");
3042         if (!textview->messageview || !uri)
3043                 return;
3044
3045         compose_reply_to_address (textview->messageview,
3046                                   textview->messageview->msginfo, uri->uri+7);
3047 }
3048
3049 static void mail_to_uri_cb (GtkAction *action, TextView *textview)
3050 {
3051         PrefsAccount *account = NULL;
3052         Compose *compose;
3053         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3054                                            "menu_button");
3055         if (uri == NULL)
3056                 return;
3057
3058         if (textview->messageview && textview->messageview->msginfo &&
3059             textview->messageview->msginfo->folder) {
3060                 FolderItem   *folder_item;
3061
3062                 folder_item = textview->messageview->msginfo->folder;
3063                 if (folder_item->prefs && folder_item->prefs->enable_default_account)
3064                         account = account_find_from_id(folder_item->prefs->default_account);
3065
3066                 compose = compose_new_with_folderitem(account, folder_item, uri->uri+7);
3067         } else {
3068                 compose = compose_new(account, uri->uri + 7, NULL);
3069         }
3070         compose_check_for_email_account(compose);
3071 }
3072
3073 static void copy_mail_to_uri_cb (GtkAction *action, TextView *textview)
3074 {
3075         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3076                                            "menu_button");
3077         if (uri == NULL)
3078                 return;
3079
3080         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri +7, -1);
3081         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri +7, -1);
3082         g_object_set_data(G_OBJECT(textview->mail_popup_menu), "menu_button",
3083                           NULL);
3084 }
3085
3086 void textview_get_selection_offsets(TextView *textview, gint *sel_start, gint *sel_end)
3087 {
3088                 GtkTextView *text = GTK_TEXT_VIEW(textview->text);
3089                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
3090                 GtkTextIter start, end;
3091                 if (gtk_text_buffer_get_selection_bounds(buffer, &start, &end)) {
3092                         if (sel_start)
3093                                 *sel_start = gtk_text_iter_get_offset(&start);
3094                         if (sel_end)
3095                                 *sel_end = gtk_text_iter_get_offset(&end);
3096                 } else {
3097                         if (sel_start)
3098                                 *sel_start = -1;
3099                         if (sel_end)
3100                                 *sel_end = -1;
3101                 }
3102 }