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                         GInputStream *stream;
 722
 723                         START_TIMING("inserting image");
 724
 725                         stream = procmime_get_part_as_inputstream(mimeinfo, &error);
 726                         if (error != NULL) {
 727                                 g_warning("Can't get the image file: %s", error->message);
 728                                 g_error_free(error);
 729                                 END_TIMING();
 730                                 return;
 731                         }
 732
 733                         pixbuf = gdk_pixbuf_new_from_stream(stream, NULL, &error);
 734                         g_object_unref(stream);
 735
 736                         if (error != NULL) {
 737                                 g_warning("Can't load the image: %s\n", error->message);
 738                                 g_error_free(error);
 739                                 END_TIMING();
 740                                 return;
 741                         }
 742                         if (textview->stop_loading) {
 743                                 END_TIMING();
 744                                 return;
 745                         }
 746
 747                         gtk_widget_get_allocation(textview->scrolledwin, &allocation);
 748                         pixbuf = claws_load_pixbuf_fitting(pixbuf,
 749                                         allocation.width,
 750                                         allocation.height);
 751
 752                         if (textview->stop_loading) {
 753                                 END_TIMING();
 754                                 return;
 755                         }
 756
 757                         uri = g_new0(ClickableText, 1);
 758                         uri->uri = g_strdup("");
 759                         uri->filename = g_strdup("sc://select_attachment");
 760                         uri->data = mimeinfo;
 761
 762                         uri->start = gtk_text_iter_get_offset(&iter);
 763                         gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 764                         g_object_unref(pixbuf);
 765                         if (textview->stop_loading) {
 766                                 g_free(uri);
 767                                 return;
 768                         }
 769                         uri->end = gtk_text_iter_get_offset(&iter);
 770
 771                         textview->uri_list =
 772                                 g_slist_prepend(textview->uri_list, uri);
 773
 774                         gtk_text_buffer_insert(buffer, &iter, " ", 1);
 775                         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, uri->start);
 776                         gtk_text_buffer_apply_tag_by_name(buffer, "link",
 777                                                 &start_iter, &iter);
 778
 779                         END_TIMING();
 780                         GTK_EVENTS_FLUSH();
 781                 }
 782         } else if (mimeinfo->type == MIMETYPE_TEXT) {
 783                 if (prefs_common.display_header && (charcount > 0))
 784                         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 785
 786                 if (!gtk_text_buffer_get_mark(buffer, "body_start")) {
 787                         gtk_text_buffer_get_end_iter(buffer, &iter);
 788                         gtk_text_buffer_create_mark(buffer, "body_start", &iter, TRUE);
 789                 }
 790
 791                 textview_write_body(textview, mimeinfo);
 792
 793                 if (!gtk_text_buffer_get_mark(buffer, "body_end")) {
 794                         gtk_text_buffer_get_end_iter(buffer, &iter);
 795                         gtk_text_buffer_create_mark(buffer, "body_end", &iter, TRUE);
 796                 }
 797         }
 798         END_TIMING();
 799 }
 800
 801 static void recursive_add_parts(TextView *textview, GNode *node)
 802 {
 803         GNode * iter;
 804         MimeInfo *mimeinfo;
 805         START_TIMING("");
 806
 807         mimeinfo = (MimeInfo *) node->data;
 808
 809         textview_add_part(textview, mimeinfo);
 810 #ifdef GENERIC_UMPC
 811         textview_set_position(textview, 0);
 812 #endif
 813         if ((mimeinfo->type != MIMETYPE_MULTIPART) &&
 814             (mimeinfo->type != MIMETYPE_MESSAGE)) {
 815                 END_TIMING();
 816                 return;
 817         }
 818         if (g_ascii_strcasecmp(mimeinfo->subtype, "alternative") == 0) {
 819                 GNode * preferred_body;
 820                 int preferred_score;
 821
 822                 /*
 823                   text/plain : score 3
 824                   text/ *    : score 2
 825                   other      : score 1
 826                 */
 827                 preferred_body = NULL;
 828                 preferred_score = 0;
 829
 830                 for (iter = g_node_first_child(node) ; iter != NULL ;
 831                      iter = g_node_next_sibling(iter)) {
 832                         int score;
 833                         MimeInfo * submime;
 834
 835                         score = 1;
 836                         submime = (MimeInfo *) iter->data;
 837                         if (submime->type == MIMETYPE_TEXT)
 838                                 score = 2;
 839
 840                         if (submime->subtype != NULL) {
 841                                 if (g_ascii_strcasecmp(submime->subtype, "plain") == 0)
 842                                         score = 3;
 843                         }
 844
 845                         if (score > preferred_score) {
 846                                 preferred_score = score;
 847                                 preferred_body = iter;
 848                         }
 849                 }
 850
 851                 if (preferred_body != NULL) {
 852                         recursive_add_parts(textview, preferred_body);
 853                 }
 854         }
 855         else {
 856                 for (iter = g_node_first_child(node) ; iter != NULL ;
 857                      iter = g_node_next_sibling(iter)) {
 858                         recursive_add_parts(textview, iter);
 859                 }
 860         }
 861         END_TIMING();
 862 }
 863
 864 static void textview_add_parts(TextView *textview, MimeInfo *mimeinfo)
 865 {
 866         cm_return_if_fail(mimeinfo != NULL);
 867         cm_return_if_fail(mimeinfo->node != NULL);
 868
 869         recursive_add_parts(textview, mimeinfo->node);
 870 }
 871
 872 void textview_show_error(TextView *textview)
 873 {
 874         GtkTextView *text;
 875         GtkTextBuffer *buffer;
 876         GtkTextIter iter;
 877
 878         textview_set_font(textview, NULL);
 879         textview_clear(textview);
 880
 881         text = GTK_TEXT_VIEW(textview->text);
 882         buffer = gtk_text_view_get_buffer(text);
 883         gtk_text_buffer_get_start_iter(buffer, &iter);
 884
 885         TEXTVIEW_INSERT(_("\n"
 886                       "  This message can't be displayed.\n"
 887                       "  This is probably due to a network error.\n"
 888                       "\n"
 889                       "  Use "));
 890         TEXTVIEW_INSERT_LINK(_("'Network Log'"), "sc://view_log", NULL);
 891         TEXTVIEW_INSERT(_(" in the Tools menu for more information."));
 892         textview_show_icon(textview, GTK_STOCK_DIALOG_ERROR);
 893 }
 894
 895 void textview_show_info(TextView *textview, const gchar *info_str)
 896 {
 897         GtkTextView *text;
 898         GtkTextBuffer *buffer;
 899         GtkTextIter iter;
 900
 901         textview_set_font(textview, NULL);
 902         textview_clear(textview);
 903
 904         text = GTK_TEXT_VIEW(textview->text);
 905         buffer = gtk_text_view_get_buffer(text);
 906         gtk_text_buffer_get_start_iter(buffer, &iter);
 907
 908         TEXTVIEW_INSERT(info_str);
 909         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
 910         textview_cursor_normal(textview);
 911 }
 912
 913 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
 914 {
 915         GtkTextView *text;
 916         GtkTextBuffer *buffer;
 917         GtkTextIter iter;
 918         const gchar *name;
 919         gchar *content_type;
 920         GtkUIManager *ui_manager;
 921 #ifndef GENERIC_UMPC
 922         gchar *shortcut;
 923 #endif
 924
 925         if (!partinfo) return;
 926
 927         if (textview->messageview->window != NULL)
 928                 ui_manager = textview->messageview->ui_manager;
 929         else
 930                 ui_manager = textview->messageview->mainwin->ui_manager;
 931
 932         textview_set_font(textview, NULL);
 933         textview_clear(textview);
 934
 935         text = GTK_TEXT_VIEW(textview->text);
 936         buffer = gtk_text_view_get_buffer(text);
 937         gtk_text_buffer_get_start_iter(buffer, &iter);
 938
 939         TEXTVIEW_INSERT("\n");
 940
 941         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 942         if (name == NULL)
 943                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 944         if (name != NULL) {
 945                 content_type = procmime_get_content_type_str(partinfo->type,
 946                                                      partinfo->subtype);
 947                 TEXTVIEW_INSERT("  ");
 948                 TEXTVIEW_INSERT_BOLD(name);
 949                 TEXTVIEW_INSERT(" (");
 950                 TEXTVIEW_INSERT(content_type);
 951                 TEXTVIEW_INSERT(", ");
 952                 TEXTVIEW_INSERT(to_human_readable((goffset)partinfo->length));
 953                 TEXTVIEW_INSERT("):\n\n");
 954
 955                 g_free(content_type);
 956         }
 957         TEXTVIEW_INSERT(_("  The following can be performed on this part\n"));
 958 #ifndef GENERIC_UMPC
 959         TEXTVIEW_INSERT(_("  by right-clicking the icon or list item:"));
 960 #endif
 961         TEXTVIEW_INSERT("\n");
 962
 963         TEXTVIEW_INSERT(_("     - To save, select "));
 964         TEXTVIEW_INSERT_LINK(_("'Save as...'"), "sc://save_as", NULL);
 965 #ifndef GENERIC_UMPC
 966         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
 967         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/File/SavePartAs");
 968         TEXTVIEW_INSERT(shortcut);
 969         g_free(shortcut);
 970         TEXTVIEW_INSERT("')");
 971 #endif
 972         TEXTVIEW_INSERT("\n");
 973
 974         TEXTVIEW_INSERT(_("     - To display as text, select "));
 975         TEXTVIEW_INSERT_LINK(_("'Display as text'"), "sc://display_as_text", NULL);
 976
 977 #ifndef GENERIC_UMPC
 978         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
 979         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/AsText");
 980         TEXTVIEW_INSERT(shortcut);
 981         g_free(shortcut);
 982         TEXTVIEW_INSERT("')");
 983 #endif
 984         TEXTVIEW_INSERT("\n");
 985
 986         TEXTVIEW_INSERT(_("     - To open with an external program, select "));
 987         TEXTVIEW_INSERT_LINK(_("'Open'"), "sc://open", NULL);
 988
 989 #ifndef GENERIC_UMPC
 990         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
 991         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/Open");
 992         TEXTVIEW_INSERT(shortcut);
 993         g_free(shortcut);
 994         TEXTVIEW_INSERT("')\n");
 995         TEXTVIEW_INSERT(_("       (alternately double-click, or click the middle "));
 996         TEXTVIEW_INSERT(_("mouse button)\n"));
 997 #ifndef G_OS_WIN32
 998         TEXTVIEW_INSERT(_("     - Or use "));
 999         TEXTVIEW_INSERT_LINK(_("'Open with...'"), "sc://open_with", NULL);
1000         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
1001         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/OpenWith");
1002         TEXTVIEW_INSERT(shortcut);
1003         g_free(shortcut);
1004         TEXTVIEW_INSERT("')");
1005 #endif
1006 #endif
1007         TEXTVIEW_INSERT("\n");
1008
1009         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
1010 }
1011
1012 static void textview_write_body(TextView *textview, MimeInfo *mimeinfo)
1013 {
1014         FILE *tmpfp;
1015         gchar buf[BUFFSIZE];
1016         CodeConverter *conv;
1017         const gchar *charset;
1018 #ifndef G_OS_WIN32
1019         const gchar *p, *cmd;
1020 #endif
1021         GSList *cur;
1022         gboolean continue_write = TRUE;
1023         size_t wrote = 0, i = 0;
1024
1025         if (textview->messageview->forced_charset)
1026                 charset = textview->messageview->forced_charset;
1027         else {
1028                 /* use supersets transparently when possible */
1029                 charset = procmime_mimeinfo_get_parameter(mimeinfo, "charset");
1030                 if (charset && !strcasecmp(charset, CS_ISO_8859_1))
1031                         charset = CS_WINDOWS_1252;
1032                 else if (charset && !strcasecmp(charset, CS_X_GBK))
1033                         charset = CS_GB18030;
1034                 else if (charset && !strcasecmp(charset, CS_GBK))
1035                         charset = CS_GB18030;
1036                 else if (charset && !strcasecmp(charset, CS_GB2312))
1037                         charset = CS_GB18030;
1038         }
1039
1040         textview_set_font(textview, charset);
1041
1042         conv = conv_code_converter_new(charset);
1043
1044         procmime_force_encoding(textview->messageview->forced_encoding);
1045
1046         textview->is_in_signature = FALSE;
1047         textview->is_diff = FALSE;
1048         textview->is_attachment = FALSE;;
1049
1050         procmime_decode_content(mimeinfo);
1051
1052         account_signatures_matchlist_create();
1053
1054         if (!g_ascii_strcasecmp(mimeinfo->subtype, "html") &&
1055             prefs_common.render_html) {
1056                 gchar *filename;
1057
1058                 filename = procmime_get_tmp_file_name(mimeinfo);
1059                 if (procmime_get_part(filename, mimeinfo) == 0) {
1060                         tmpfp = claws_fopen(filename, "rb");
1061                         if (tmpfp) {
1062                                 textview_show_html(textview, tmpfp, conv);
1063                                 claws_fclose(tmpfp);
1064                         }
1065                         claws_unlink(filename);
1066                 }
1067                 g_free(filename);
1068         } else if (!g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
1069                 gchar *filename;
1070
1071                 filename = procmime_get_tmp_file_name(mimeinfo);
1072                 if (procmime_get_part(filename, mimeinfo) == 0) {
1073                         tmpfp = claws_fopen(filename, "rb");
1074                         if (tmpfp) {
1075                                 textview_show_ertf(textview, tmpfp, conv);
1076                                 claws_fclose(tmpfp);
1077                         }
1078                         claws_unlink(filename);
1079                 }
1080                 g_free(filename);
1081 #ifndef G_OS_WIN32
1082         } else if ( g_ascii_strcasecmp(mimeinfo->subtype, "plain") &&
1083                    (cmd = prefs_common.mime_textviewer) && *cmd &&
1084                    (p = strchr(cmd, '%')) && *(p + 1) == 's') {
1085                 int pid, pfd[2];
1086                 const gchar *fname;
1087
1088                 fname  = procmime_get_tmp_file_name(mimeinfo);
1089                 if (procmime_get_part(fname, mimeinfo)) goto textview_default;
1090
1091                 g_snprintf(buf, sizeof(buf), cmd, fname);
1092                 debug_print("Viewing text content of type: %s (length: %d) "
1093                         "using %s\n", mimeinfo->subtype, mimeinfo->length, buf);
1094
1095                 if (pipe(pfd) < 0) {
1096                         g_snprintf(buf, sizeof(buf),
1097                                 "pipe failed for textview\n\n%s\n", g_strerror(errno));
1098                         textview_write_line(textview, buf, conv, TRUE);
1099                         goto textview_default;
1100                 }
1101                 pid = fork();
1102                 if (pid < 0) {
1103                         g_snprintf(buf, sizeof(buf),
1104                                 "fork failed for textview\n\n%s\n", g_strerror(errno));
1105                         textview_write_line(textview, buf, conv, TRUE);
1106                         close(pfd[0]);
1107                         close(pfd[1]);
1108                         goto textview_default;
1109                 }
1110                 if (pid == 0) { /* child */
1111                         int rc;
1112                         gchar **argv;
1113                         argv = strsplit_with_quote(buf, " ", 0);
1114                         close(1);
1115                         close(pfd[0]);
1116                         rc = dup(pfd[1]);
1117                         rc = execvp(argv[0], argv);
1118                         perror("execvp");
1119                         close(pfd[1]);
1120                         g_print(_("The command to view attachment "
1121                                 "as text failed:\n"
1122                                 "    %s\n"
1123                                 "Exit code %d\n"), buf, rc);
1124                         exit(255);
1125                 }
1126                 close(pfd[1]);
1127                 tmpfp = claws_fdopen(pfd[0], "rb");
1128                 while (claws_fgets(buf, sizeof(buf), tmpfp)) {
1129                         textview_write_line(textview, buf, conv, TRUE);
1130
1131                         if (textview->stop_loading) {
1132                                 claws_fclose(tmpfp);
1133                                 waitpid(pid, pfd, 0);
1134                                 g_unlink(fname);
1135                                 account_signatures_matchlist_delete();
1136                                 return;
1137                         }
1138                 }
1139
1140                 claws_fclose(tmpfp);
1141                 waitpid(pid, pfd, 0);
1142                 g_unlink(fname);
1143 #endif
1144         } else {
1145 #ifndef G_OS_WIN32
1146 textview_default:
1147 #endif
1148                 if (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
1149                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff"))
1150                         textview->is_diff = TRUE;
1151
1152                 /* Displayed part is an attachment, but not an attached
1153                  * e-mail. Set a flag, so that elsewhere in the code we
1154                  * know not to try making collapsible quotes in it. */
1155                 if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT &&
1156                                 mimeinfo->type != MIMETYPE_MESSAGE)
1157                         textview->is_attachment = TRUE;
1158
1159                 if (mimeinfo->content == MIMECONTENT_MEM)
1160                         tmpfp = str_open_as_stream(mimeinfo->data.mem);
1161                 else
1162                         tmpfp = claws_fopen(mimeinfo->data.filename, "rb");
1163                 if (!tmpfp) {
1164                         FILE_OP_ERROR(mimeinfo->data.filename, "claws_fopen");
1165                         account_signatures_matchlist_delete();
1166                         return;
1167                 }
1168                 if (fseek(tmpfp, mimeinfo->offset, SEEK_SET) < 0) {
1169                         FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
1170                         claws_fclose(tmpfp);
1171                         account_signatures_matchlist_delete();
1172                         return;
1173                 }
1174                 debug_print("Viewing text content of type: %s (length: %d)\n", mimeinfo->subtype, mimeinfo->length);
1175                 while (((i = ftell(tmpfp)) < mimeinfo->offset + mimeinfo->length) &&
1176                        (claws_fgets(buf, sizeof(buf), tmpfp) != NULL)
1177                        && continue_write) {
1178                         textview_write_line(textview, buf, conv, TRUE);
1179                         if (textview->stop_loading) {
1180                                 claws_fclose(tmpfp);
1181                                 account_signatures_matchlist_delete();
1182                                 return;
1183                         }
1184                         wrote += ftell(tmpfp)-i;
1185                         if (mimeinfo->length > 1024*1024
1186                         &&  wrote > 1024*1024
1187                         && !textview->messageview->show_full_text) {
1188                                 continue_write = FALSE;
1189                         }
1190                 }
1191                 claws_fclose(tmpfp);
1192         }
1193
1194         account_signatures_matchlist_delete();
1195
1196         conv_code_converter_destroy(conv);
1197         procmime_force_encoding(0);
1198
1199         textview->uri_list = g_slist_reverse(textview->uri_list);
1200         for (cur = textview->uri_list; cur; cur = cur->next) {
1201                 ClickableText *uri = (ClickableText *)cur->data;
1202                 if (!uri->is_quote)
1203                         continue;
1204                 if (!prefs_common.hide_quotes ||
1205                     uri->quote_level+1 < prefs_common.hide_quotes) {
1206                         textview_toggle_quote(textview, cur, uri, TRUE);
1207                         if (textview->stop_loading) {
1208                                 return;
1209                         }
1210                 }
1211         }
1212
1213         if (continue_write == FALSE) {
1214                 messageview_show_partial_display(
1215                         textview->messageview,
1216                         textview->messageview->msginfo,
1217                         mimeinfo->length);
1218         }
1219         GTK_EVENTS_FLUSH();
1220 }
1221
1222 static void textview_show_html(TextView *textview, FILE *fp,
1223                                CodeConverter *conv)
1224 {
1225         SC_HTMLParser *parser;
1226         gchar *str;
1227         gint lines = 0;
1228
1229         parser = sc_html_parser_new(fp, conv);
1230         cm_return_if_fail(parser != NULL);
1231
1232         account_signatures_matchlist_create();
1233
1234         while ((str = sc_html_parse(parser)) != NULL) {
1235                 if (parser->state == SC_HTML_HREF) {
1236                         /* first time : get and copy the URL */
1237                         if (parser->href == NULL) {
1238                                 /* ALF - the claws html parser returns an empty string,
1239                                  * if still inside an <a>, but already parsed past HREF */
1240                                 str = strtok(str, " ");
1241                                 if (str) {
1242                                         while (str && *str && g_ascii_isspace(*str))
1243                                                 str++;
1244                                         parser->href = g_strdup(str);
1245                                         /* the URL may (or not) be followed by the
1246                                          * referenced text */
1247                                         str = strtok(NULL, "");
1248                                 }
1249                         }
1250                         if (str != NULL)
1251                                 textview_write_link(textview, str, parser->href, NULL);
1252                 } else
1253                         textview_write_line(textview, str, NULL, FALSE);
1254                 lines++;
1255                 if (lines % 500 == 0)
1256                         GTK_EVENTS_FLUSH();
1257                 if (textview->stop_loading) {
1258                         account_signatures_matchlist_delete();
1259                         return;
1260                 }
1261         }
1262         textview_write_line(textview, "\n", NULL, FALSE);
1263
1264         account_signatures_matchlist_delete();
1265
1266         sc_html_parser_destroy(parser);
1267 }
1268
1269 static void textview_show_ertf(TextView *textview, FILE *fp,
1270                                CodeConverter *conv)
1271 {
1272         ERTFParser *parser;
1273         gchar *str;
1274         gint lines = 0;
1275
1276         parser = ertf_parser_new(fp, conv);
1277         cm_return_if_fail(parser != NULL);
1278
1279         account_signatures_matchlist_create();
1280
1281         while ((str = ertf_parse(parser)) != NULL) {
1282                 textview_write_line(textview, str, NULL, FALSE);
1283                 lines++;
1284                 if (lines % 500 == 0)
1285                         GTK_EVENTS_FLUSH();
1286                 if (textview->stop_loading) {
1287                         account_signatures_matchlist_delete();
1288                         return;
1289                 }
1290         }
1291
1292         account_signatures_matchlist_delete();
1293
1294         ertf_parser_destroy(parser);
1295 }
1296
1297 #define ADD_TXT_POS(bp_, ep_, pti_) \
1298         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1299                 last = last->next; \
1300                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1301                 last->next = NULL; \
1302         } else { \
1303                 g_warning("alloc error scanning URIs"); \
1304                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, \
1305                                                          linebuf, -1, \
1306                                                          fg_tag, NULL); \
1307                 return; \
1308         }
1309
1310 #define ADD_TXT_POS_LATER(bp_, ep_, pti_) \
1311         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1312                 last = last->next; \
1313                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1314                 last->next = NULL; \
1315         } else { \
1316                 g_warning("alloc error scanning URIs"); \
1317         }
1318
1319 /* textview_make_clickable_parts() - colorizes clickable parts */
1320 static void textview_make_clickable_parts(TextView *textview,
1321                                           const gchar *fg_tag,
1322                                           const gchar *uri_tag,
1323                                           const gchar *linebuf,
1324                                           gboolean hdr)
1325 {
1326         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1327         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1328         GtkTextIter iter;
1329         gchar *mybuf = g_strdup(linebuf);
1330
1331         /* parse table - in order of priority */
1332         struct table {
1333                 const gchar *needle; /* token */
1334
1335                 /* token search function */
1336                 gchar    *(*search)     (const gchar *haystack,
1337                                          const gchar *needle);
1338                 /* part parsing function */
1339                 gboolean  (*parse)      (const gchar *start,
1340                                          const gchar *scanpos,
1341                                          const gchar **bp_,
1342                                          const gchar **ep_,
1343                                          gboolean hdr);
1344                 /* part to URI function */
1345                 gchar    *(*build_uri)  (const gchar *bp,
1346                                          const gchar *ep);
1347         };
1348
1349         static struct table parser[] = {
1350                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1351                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1352                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1353                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1354                 {"gopher://",strcasestr, get_uri_part,   make_uri_string},
1355                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1356                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1357                 {"@",        strcasestr, get_email_part, make_email_string}
1358         };
1359         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1360
1361         gint  n;
1362         const gchar *walk, *bp, *ep;
1363
1364         struct txtpos {
1365                 const gchar     *bp, *ep;       /* text position */
1366                 gint             pti;           /* index in parse table */
1367                 struct txtpos   *next;          /* next */
1368         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1369
1370         if (!g_utf8_validate(linebuf, -1, NULL)) {
1371                 g_free(mybuf);
1372                 mybuf = g_malloc(strlen(linebuf)*2 +1);
1373                 conv_localetodisp(mybuf, strlen(linebuf)*2 +1, linebuf);
1374         }
1375
1376         gtk_text_buffer_get_end_iter(buffer, &iter);
1377
1378         /* parse for clickable parts, and build a list of begin and end positions  */
1379         for (walk = mybuf;;) {
1380                 gint last_index = PARSE_ELEMS;
1381                 gchar *scanpos = NULL;
1382
1383                 /* FIXME: this looks phony. scanning for anything in the parse table */
1384                 for (n = 0; n < PARSE_ELEMS; n++) {
1385                         gchar *tmp;
1386
1387                         tmp = parser[n].search(walk, parser[n].needle);
1388                         if (tmp) {
1389                                 if (scanpos == NULL || tmp < scanpos) {
1390                                         scanpos = tmp;
1391                                         last_index = n;
1392                                 }
1393                         }
1394                 }
1395
1396                 if (scanpos) {
1397                         /* check if URI can be parsed */
1398                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, hdr)
1399                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1400                                         ADD_TXT_POS(bp, ep, last_index);
1401                                         walk = ep;
1402                         } else
1403                                 walk = scanpos +
1404                                         strlen(parser[last_index].needle);
1405                 } else
1406                         break;
1407         }
1408
1409         /* colorize this line */
1410         if (head.next) {
1411                 const gchar *normal_text = mybuf;
1412
1413                 /* insert URIs */
1414                 for (last = head.next; last != NULL;
1415                      normal_text = last->ep, last = last->next) {
1416                         ClickableText *uri;
1417                         uri = g_new0(ClickableText, 1);
1418                         if (last->bp - normal_text > 0)
1419                                 gtk_text_buffer_insert_with_tags_by_name
1420                                         (buffer, &iter,
1421                                          normal_text,
1422                                          last->bp - normal_text,
1423                                          fg_tag, NULL);
1424                         uri->uri = parser[last->pti].build_uri(last->bp,
1425                                                                last->ep);
1426                         uri->start = gtk_text_iter_get_offset(&iter);
1427                         gtk_text_buffer_insert_with_tags_by_name
1428                                 (buffer, &iter, last->bp, last->ep - last->bp,
1429                                  uri_tag, fg_tag, NULL);
1430                         uri->end = gtk_text_iter_get_offset(&iter);
1431                         uri->filename = NULL;
1432                         textview->uri_list =
1433                                 g_slist_prepend(textview->uri_list, uri);
1434                 }
1435
1436                 if (*normal_text)
1437                         gtk_text_buffer_insert_with_tags_by_name
1438                                 (buffer, &iter, normal_text, -1, fg_tag, NULL);
1439         } else {
1440                 gtk_text_buffer_insert_with_tags_by_name
1441                         (buffer, &iter, mybuf, -1, fg_tag, NULL);
1442         }
1443         g_free(mybuf);
1444 }
1445
1446 /* textview_make_clickable_parts() - colorizes clickable parts */
1447 static void textview_make_clickable_parts_later(TextView *textview,
1448                                           gint start, gint end)
1449 {
1450         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1451         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1452         GtkTextIter start_iter, end_iter;
1453         gchar *mybuf;
1454         gint offset = 0;
1455         /* parse table - in order of priority */
1456         struct table {
1457                 const gchar *needle; /* token */
1458
1459                 /* token search function */
1460                 gchar    *(*search)     (const gchar *haystack,
1461                                          const gchar *needle);
1462                 /* part parsing function */
1463                 gboolean  (*parse)      (const gchar *start,
1464                                          const gchar *scanpos,
1465                                          const gchar **bp_,
1466                                          const gchar **ep_,
1467                                          gboolean hdr);
1468                 /* part to URI function */
1469                 gchar    *(*build_uri)  (const gchar *bp,
1470                                          const gchar *ep);
1471         };
1472
1473         static struct table parser[] = {
1474                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1475                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1476                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1477                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1478                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1479                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1480                 {"@",        strcasestr, get_email_part, make_email_string}
1481         };
1482         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1483
1484         gint  n;
1485         const gchar *walk, *bp, *ep;
1486
1487         struct txtpos {
1488                 const gchar     *bp, *ep;       /* text position */
1489                 gint             pti;           /* index in parse table */
1490                 struct txtpos   *next;          /* next */
1491         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1492
1493         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start);
1494         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end);
1495         mybuf = gtk_text_buffer_get_text(buffer, &start_iter, &end_iter, FALSE);
1496         offset = gtk_text_iter_get_offset(&start_iter);
1497
1498         /* parse for clickable parts, and build a list of begin and end positions  */
1499         for (walk = mybuf;;) {
1500                 gint last_index = PARSE_ELEMS;
1501                 gchar *scanpos = NULL;
1502
1503                 /* FIXME: this looks phony. scanning for anything in the parse table */
1504                 for (n = 0; n < PARSE_ELEMS; n++) {
1505                         gchar *tmp;
1506
1507                         tmp = parser[n].search(walk, parser[n].needle);
1508                         if (tmp) {
1509                                 if (scanpos == NULL || tmp < scanpos) {
1510                                         scanpos = tmp;
1511                                         last_index = n;
1512                                 }
1513                         }
1514                 }
1515
1516                 if (scanpos) {
1517                         /* check if URI can be parsed */
1518                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, FALSE)
1519                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1520                                         ADD_TXT_POS_LATER(bp, ep, last_index);
1521                                         walk = ep;
1522                         } else
1523                                 walk = scanpos +
1524                                         strlen(parser[last_index].needle);
1525                 } else
1526                         break;
1527         }
1528
1529         /* colorize this line */
1530         if (head.next) {
1531                 /* insert URIs */
1532                 for (last = head.next; last != NULL; last = last->next) {
1533                         ClickableText *uri;
1534                         gint start_offset, end_offset;
1535                         gchar *tmp_str;
1536                         gchar old_char;
1537                         uri = g_new0(ClickableText, 1);
1538                         uri->uri = parser[last->pti].build_uri(last->bp,
1539                                                                last->ep);
1540
1541                         tmp_str = mybuf;
1542                         old_char = tmp_str[last->ep - mybuf];
1543                         tmp_str[last->ep - mybuf] = '\0';
1544                         end_offset = g_utf8_strlen(tmp_str, -1);
1545                         tmp_str[last->ep - mybuf] = old_char;
1546
1547                         old_char = tmp_str[last->bp - mybuf];
1548                         tmp_str[last->bp - mybuf] = '\0';
1549                         start_offset = g_utf8_strlen(tmp_str, -1);
1550                         tmp_str[last->bp - mybuf] = old_char;
1551
1552                         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start_offset + offset);
1553                         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end_offset + offset);
1554
1555                         uri->start = gtk_text_iter_get_offset(&start_iter);
1556
1557                         gtk_text_buffer_apply_tag_by_name(buffer, "link", &start_iter, &end_iter);
1558
1559                         uri->end = gtk_text_iter_get_offset(&end_iter);
1560                         uri->filename = NULL;
1561                         textview->uri_list =
1562                                 g_slist_prepend(textview->uri_list, uri);
1563                 }
1564         }
1565
1566         g_free(mybuf);
1567 }
1568
1569 #undef ADD_TXT_POS
1570
1571 static void textview_write_line(TextView *textview, const gchar *str,
1572                                 CodeConverter *conv, gboolean do_quote_folding)
1573 {
1574         GtkTextView *text;
1575         GtkTextBuffer *buffer;
1576         GtkTextIter iter;
1577         gchar buf[BUFFSIZE];
1578         gchar *fg_color;
1579         gint quotelevel = -1, real_quotelevel = -1;
1580         gchar quote_tag_str[10];
1581
1582         text = GTK_TEXT_VIEW(textview->text);
1583         buffer = gtk_text_view_get_buffer(text);
1584         gtk_text_buffer_get_end_iter(buffer, &iter);
1585
1586         if (!conv)
1587                 strncpy2(buf, str, sizeof(buf));
1588         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1589                 conv_localetodisp(buf, sizeof(buf), str);
1590
1591         strcrchomp(buf);
1592         fg_color = NULL;
1593
1594         /* change color of quotation
1595            >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
1596            Up to 3 levels of quotations are detected, and each
1597            level is colored using a different color. */
1598         if (prefs_common.enable_color
1599             && !textview->is_attachment
1600             && line_has_quote_char(buf, prefs_common.quote_chars)) {
1601                 real_quotelevel = get_quote_level(buf, prefs_common.quote_chars);
1602                 quotelevel = real_quotelevel;
1603                 /* set up the correct foreground color */
1604                 if (quotelevel > 2) {
1605                         /* recycle colors */
1606                         if (prefs_common.recycle_quote_colors)
1607                                 quotelevel %= 3;
1608                         else
1609                                 quotelevel = 2;
1610                 }
1611         }
1612
1613         if (quotelevel == -1)
1614                 fg_color = NULL;
1615         else {
1616                 g_snprintf(quote_tag_str, sizeof(quote_tag_str),
1617                            "quote%d", quotelevel);
1618                 fg_color = quote_tag_str;
1619         }
1620
1621         if (prefs_common.enable_color) {
1622                 if (textview->is_diff) {
1623                         if (strncmp(buf, "+++ ", 4) == 0)
1624                                 fg_color = "diff-add-file";
1625                         else if (buf[0] == '+')
1626                                 fg_color = "diff-add";
1627                         else if (strncmp(buf, "--- ", 4) == 0)
1628                                 fg_color = "diff-del-file";
1629                         else if (buf[0] == '-')
1630                                 fg_color = "diff-del";
1631                         else if (strncmp(buf, "@@ ", 3) == 0 &&
1632                                         strcmp(buf+strlen(buf)-4, " @@\n") == 0)
1633                                 fg_color = "diff-hunk";
1634                 } else if (account_signatures_matchlist_str_found(buf,"%s\n")
1635                                 || account_signatures_matchlist_str_found(buf, "- %s\n")
1636                                 || textview->is_in_signature) {
1637                         fg_color = "signature";
1638                         textview->is_in_signature = TRUE;
1639                 }
1640         }
1641
1642         if (!textview->is_attachment && real_quotelevel > -1 && do_quote_folding) {
1643                 if (!g_utf8_validate(buf, -1, NULL)) {
1644                         gchar *utf8buf = NULL;
1645                         utf8buf = g_malloc(BUFFSIZE);
1646                         conv_localetodisp(utf8buf, BUFFSIZE, buf);
1647                         strncpy2(buf, utf8buf, BUFFSIZE-1);
1648                         g_free(utf8buf);
1649                 }
1650 do_quote:
1651                 if ( textview->prev_quote_level != real_quotelevel ) {
1652                         ClickableText *uri;
1653                         uri = g_new0(ClickableText, 1);
1654                         uri->uri = g_strdup("");
1655                         uri->data = g_strdup(buf);
1656                         uri->data_len = strlen(uri->data);
1657                         uri->start = gtk_text_iter_get_offset(&iter);
1658                         uri->is_quote = TRUE;
1659                         uri->quote_level = real_quotelevel;
1660                         uri->fg_color = g_strdup(fg_color);
1661
1662                         gtk_text_buffer_insert_with_tags_by_name
1663                                         (buffer, &iter, " [...]", -1,
1664                                          "qlink", fg_color, NULL);
1665                         uri->end = gtk_text_iter_get_offset(&iter);
1666                         gtk_text_buffer_insert(buffer, &iter, "  \n", -1);
1667
1668                         uri->filename = NULL;
1669                         textview->uri_list =
1670                                 g_slist_prepend(textview->uri_list, uri);
1671
1672                         textview->prev_quote_level = real_quotelevel;
1673                 } else {
1674                         GSList *last = textview->uri_list;
1675                         ClickableText *lasturi = NULL;
1676                         gint e_len = 0, n_len = 0;
1677
1678                         if (textview->uri_list) {
1679                                 lasturi = (ClickableText *)last->data;
1680                         } else {
1681                                 g_print("oops (%d %d)\n",
1682                                         real_quotelevel, textview->prev_quote_level);
1683                         }
1684                         if (lasturi) {
1685                                 if (lasturi->is_quote == FALSE) {
1686                                         textview->prev_quote_level = -1;
1687                                         goto do_quote;
1688                                 }
1689                                 e_len = lasturi->data ? lasturi->data_len:0;
1690                                 n_len = strlen(buf);
1691                                 lasturi->data = g_realloc((gchar *)lasturi->data, e_len + n_len + 1);
1692                                 strcpy((gchar *)lasturi->data + e_len, buf);
1693                                 *((gchar *)lasturi->data + e_len + n_len) = '\0';
1694                                 lasturi->data_len += n_len;
1695                         }
1696                 }
1697         } else {
1698                 textview_make_clickable_parts(textview, fg_color, "link", buf, FALSE);
1699                 textview->prev_quote_level = -1;
1700         }
1701 }
1702
1703 void textview_write_link(TextView *textview, const gchar *str,
1704                          const gchar *uri, CodeConverter *conv)
1705 {
1706         GtkTextView *text;
1707         GtkTextBuffer *buffer;
1708         GtkTextIter iter;
1709         gchar buf[BUFFSIZE];
1710         gchar *bufp;
1711         ClickableText *r_uri;
1712
1713         if (!str || *str == '\0')
1714                 return;
1715         if (!uri)
1716                 return;
1717
1718         while (uri && *uri && g_ascii_isspace(*uri))
1719                 uri++;
1720
1721         text = GTK_TEXT_VIEW(textview->text);
1722         buffer = gtk_text_view_get_buffer(text);
1723         gtk_text_buffer_get_end_iter(buffer, &iter);
1724
1725         if (!conv)
1726                 strncpy2(buf, str, sizeof(buf));
1727         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1728                 conv_utf8todisp(buf, sizeof(buf), str);
1729
1730         if (g_utf8_validate(buf, -1, NULL) == FALSE)
1731                 return;
1732
1733         strcrchomp(buf);
1734
1735         gtk_text_buffer_get_end_iter(buffer, &iter);
1736         for (bufp = buf; *bufp != '\0'; bufp = g_utf8_next_char(bufp)) {
1737                 gunichar ch;
1738
1739                 ch = g_utf8_get_char(bufp);
1740                 if (!g_unichar_isspace(ch))
1741                         break;
1742         }
1743         if (bufp > buf)
1744                 gtk_text_buffer_insert(buffer, &iter, buf, bufp - buf);
1745
1746         r_uri = g_new0(ClickableText, 1);
1747         r_uri->uri = g_strdup(uri);
1748         r_uri->start = gtk_text_iter_get_offset(&iter);
1749         gtk_text_buffer_insert_with_tags_by_name
1750                 (buffer, &iter, bufp, -1, "link", NULL);
1751         r_uri->end = gtk_text_iter_get_offset(&iter);
1752         r_uri->filename = NULL;
1753         textview->uri_list = g_slist_prepend(textview->uri_list, r_uri);
1754 }
1755
1756 static void textview_set_cursor(GdkWindow *window, GdkCursor *cursor)
1757 {
1758         if (GDK_IS_WINDOW(window))
1759                 gdk_window_set_cursor(window, cursor);
1760 }
1761 void textview_clear(TextView *textview)
1762 {
1763         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1764         GtkTextBuffer *buffer;
1765         GdkWindow *window = gtk_text_view_get_window(text,
1766                                 GTK_TEXT_WINDOW_TEXT);
1767
1768         buffer = gtk_text_view_get_buffer(text);
1769         gtk_text_buffer_set_text(buffer, "", -1);
1770         if (gtk_text_buffer_get_mark(buffer, "body_start"))
1771                 gtk_text_buffer_delete_mark_by_name(buffer, "body_start");
1772         if (gtk_text_buffer_get_mark(buffer, "body_end"))
1773                 gtk_text_buffer_delete_mark_by_name(buffer, "body_end");
1774
1775         TEXTVIEW_STATUSBAR_POP(textview);
1776         textview_uri_list_remove_all(textview->uri_list);
1777         textview->uri_list = NULL;
1778         textview->uri_hover = NULL;
1779         textview->prev_quote_level = -1;
1780
1781         textview->body_pos = 0;
1782         if (textview->image)
1783                 gtk_widget_destroy(textview->image);
1784         textview->image = NULL;
1785         textview->avatar_type = 0;
1786
1787         if (textview->messageview->mainwin->cursor_count == 0) {
1788                 textview_set_cursor(window, text_cursor);
1789         } else {
1790                 textview_set_cursor(window, watch_cursor);
1791         }
1792 }
1793
1794 void textview_destroy(TextView *textview)
1795 {
1796         GtkTextBuffer *buffer;
1797         GtkClipboard *clipboard;
1798
1799         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1800         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1801         gtk_text_buffer_remove_selection_clipboard(buffer, clipboard);
1802
1803         textview_uri_list_remove_all(textview->uri_list);
1804         textview->uri_list = NULL;
1805         textview->prev_quote_level = -1;
1806
1807         g_free(textview);
1808 }
1809
1810 #define CHANGE_TAG_FONT(tagname, font) { \
1811         tag = gtk_text_tag_table_lookup(tags, tagname); \
1812         if (tag) \
1813                 g_object_set(G_OBJECT(tag), "font-desc", font, NULL); \
1814 }
1815
1816 void textview_set_font(TextView *textview, const gchar *codeset)
1817 {
1818         GtkTextTag *tag;
1819         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1820         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
1821         PangoFontDescription *font_desc, *bold_font_desc;
1822
1823         font_desc = pango_font_description_from_string
1824                                         (NORMAL_FONT);
1825         if (font_desc) {
1826                 gtk_widget_modify_font(textview->text, font_desc);
1827                 CHANGE_TAG_FONT("header", font_desc);
1828                 CHANGE_TAG_FONT("hlink", font_desc);
1829                 pango_font_description_free(font_desc);
1830         }
1831         if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
1832                 bold_font_desc = pango_font_description_from_string
1833                                                 (NORMAL_FONT);
1834                 if (bold_font_desc)
1835                         pango_font_description_set_weight
1836                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
1837         } else {
1838                 bold_font_desc = pango_font_description_from_string
1839                                                 (BOLD_FONT);
1840         }
1841         if (bold_font_desc) {
1842                 CHANGE_TAG_FONT("header_title", bold_font_desc);
1843                 pango_font_description_free(bold_font_desc);
1844         }
1845
1846         if (prefs_common.textfont) {
1847                 PangoFontDescription *font_desc;
1848
1849                 font_desc = pango_font_description_from_string
1850                                                 (prefs_common.textfont);
1851                 if (font_desc) {
1852                         gtk_widget_modify_font(textview->text, font_desc);
1853                         pango_font_description_free(font_desc);
1854                 }
1855         }
1856         gtk_text_view_set_pixels_above_lines(GTK_TEXT_VIEW(textview->text),
1857                                              prefs_common.line_space / 2);
1858         gtk_text_view_set_pixels_below_lines(GTK_TEXT_VIEW(textview->text),
1859                                              prefs_common.line_space / 2);
1860 }
1861
1862 void textview_set_text(TextView *textview, const gchar *text)
1863 {
1864         GtkTextView *view;
1865         GtkTextBuffer *buffer;
1866
1867         cm_return_if_fail(textview != NULL);
1868         cm_return_if_fail(text != NULL);
1869
1870         textview_clear(textview);
1871
1872         view = GTK_TEXT_VIEW(textview->text);
1873         buffer = gtk_text_view_get_buffer(view);
1874         gtk_text_buffer_set_text(buffer, text, strlen(text));
1875 }
1876
1877 enum
1878 {
1879         H_DATE          = 0,
1880         H_FROM          = 1,
1881         H_TO            = 2,
1882         H_NEWSGROUPS    = 3,
1883         H_SUBJECT       = 4,
1884         H_CC            = 5,
1885         H_REPLY_TO      = 6,
1886         H_FOLLOWUP_TO   = 7,
1887         H_X_MAILER      = 8,
1888         H_X_NEWSREADER  = 9,
1889         H_USER_AGENT    = 10,
1890         H_ORGANIZATION  = 11,
1891 };
1892
1893 void textview_set_position(TextView *textview, gint pos)
1894 {
1895         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1896
1897         gtkut_text_view_set_position(text, pos);
1898 }
1899
1900 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1901 {
1902         gchar buf[BUFFSIZE];
1903         GPtrArray *headers, *sorted_headers;
1904         GSList *disphdr_list;
1905         Header *header;
1906         gint i;
1907
1908         cm_return_val_if_fail(fp != NULL, NULL);
1909
1910         if (prefs_common.show_all_headers) {
1911                 headers = procheader_get_header_array_asis(fp);
1912                 sorted_headers = g_ptr_array_new();
1913                 for (i = 0; i < headers->len; i++) {
1914                         header = g_ptr_array_index(headers, i);
1915                         if (!procheader_header_is_internal(header->name))
1916                                 g_ptr_array_add(sorted_headers, header);
1917                         else
1918                                 procheader_header_free(header);
1919                 }
1920                 g_ptr_array_free(headers, TRUE);
1921                 return sorted_headers;
1922         }
1923
1924         if (!prefs_common.display_header) {
1925                 while (claws_fgets(buf, sizeof(buf), fp) != NULL)
1926                         if (buf[0] == '\r' || buf[0] == '\n') break;
1927                 return NULL;
1928         }
1929
1930         headers = procheader_get_header_array_asis(fp);
1931
1932         sorted_headers = g_ptr_array_new();
1933
1934         for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1935              disphdr_list = disphdr_list->next) {
1936                 DisplayHeaderProp *dp =
1937                         (DisplayHeaderProp *)disphdr_list->data;
1938
1939                 for (i = 0; i < headers->len; i++) {
1940                         header = g_ptr_array_index(headers, i);
1941
1942                         if (procheader_headername_equal(header->name,
1943                                                         dp->name)) {
1944                                 if (dp->hidden)
1945                                         procheader_header_free(header);
1946                                 else
1947                                         g_ptr_array_add(sorted_headers, header);
1948
1949                                 g_ptr_array_remove_index(headers, i);
1950                                 i--;
1951                         }
1952                 }
1953         }
1954
1955         if (prefs_common.show_other_header) {
1956                 for (i = 0; i < headers->len; i++) {
1957                         header = g_ptr_array_index(headers, i);
1958                         if (!procheader_header_is_internal(header->name)) {
1959                                 g_ptr_array_add(sorted_headers, header);
1960                         } else {
1961                                 procheader_header_free(header);
1962                         }
1963                 }
1964                 g_ptr_array_free(headers, TRUE);
1965         } else
1966                 procheader_header_array_destroy(headers);
1967
1968
1969         return sorted_headers;
1970 }
1971
1972 static void textview_show_avatar(TextView *textview)
1973 {
1974         GtkAllocation allocation;
1975         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1976         MsgInfo *msginfo = textview->messageview->msginfo;
1977         int x = 0;
1978         AvatarRender *avatarr;
1979
1980         if (prefs_common.display_header_pane || !prefs_common.display_xface)
1981                 goto bail;
1982
1983         avatarr = avatars_avatarrender_new(msginfo);
1984         hooks_invoke(AVATAR_IMAGE_RENDER_HOOKLIST, avatarr);
1985
1986         if (!avatarr->image) {
1987                 avatars_avatarrender_free(avatarr);
1988                 goto bail;
1989         }
1990
1991         if (textview->image)
1992                 gtk_widget_destroy(textview->image);
1993
1994         textview->image = avatarr->image;
1995         textview->avatar_type = avatarr->type;
1996         avatarr->image = NULL; /* avoid destroying */
1997         avatars_avatarrender_free(avatarr);
1998
1999         gtk_widget_show(textview->image);
2000
2001         gtk_widget_get_allocation(textview->text, &allocation);
2002         x = allocation.width - WIDTH -5;
2003
2004         gtk_text_view_add_child_in_window(text, textview->image,
2005                 GTK_TEXT_WINDOW_TEXT, x, 5);
2006
2007         gtk_widget_show_all(textview->text);
2008
2009         return;
2010 bail:
2011         if (textview->image)
2012                 gtk_widget_destroy(textview->image);
2013         textview->image = NULL;
2014         textview->avatar_type = 0;
2015 }
2016
2017 void textview_show_icon(TextView *textview, const gchar *stock_id)
2018 {
2019         GtkAllocation allocation;
2020         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2021         int x = 0;
2022
2023         if (textview->image)
2024                 gtk_widget_destroy(textview->image);
2025
2026         textview->image = gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_DIALOG);
2027         cm_return_if_fail(textview->image != NULL);
2028
2029         gtk_widget_show(textview->image);
2030
2031         gtk_widget_get_allocation(textview->text, &allocation);
2032         x = allocation.width - WIDTH -5;
2033
2034         gtk_text_view_add_child_in_window(text, textview->image,
2035                 GTK_TEXT_WINDOW_TEXT, x, 5);
2036
2037         gtk_widget_show_all(textview->text);
2038
2039
2040         return;
2041 }
2042
2043 static void textview_save_contact_pic(TextView *textview)
2044 {
2045 #ifndef USE_ALT_ADDRBOOK
2046         MsgInfo *msginfo = textview->messageview->msginfo;
2047         gchar *filename = NULL;
2048         GError *error = NULL;
2049         GdkPixbuf *picture = NULL;
2050
2051         if (!msginfo->extradata || !msginfo->extradata->avatars)
2052                 return;
2053
2054         if (textview->avatar_type > AVATAR_FACE)
2055                 return;
2056
2057         if (textview->image)
2058                 picture = gtk_image_get_pixbuf(GTK_IMAGE(textview->image));
2059
2060         filename = addrindex_get_picture_file(msginfo->from);
2061         if (!filename)
2062                 return;
2063         if (!is_file_exist(filename)) {
2064                 gdk_pixbuf_save(picture, filename, "png", &error, NULL);
2065                 if (error) {
2066                         g_warning("Failed to save image: %s",
2067                                         error->message);
2068                         g_error_free(error);
2069                 }
2070         }
2071         g_free(filename);
2072 #else
2073         /* new address book */
2074 #endif
2075 }
2076
2077 static void textview_show_contact_pic(TextView *textview)
2078 {
2079 #ifndef USE_ALT_ADDRBOOK
2080         MsgInfo *msginfo = textview->messageview->msginfo;
2081         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2082         int x = 0;
2083         gchar *filename = NULL;
2084         GError *error = NULL;
2085         GdkPixbuf *picture = NULL;
2086         gint w, h;
2087         GtkAllocation allocation;
2088
2089         if (prefs_common.display_header_pane
2090                 || !prefs_common.display_xface)
2091                 goto bail;
2092
2093         if (msginfo->extradata && msginfo->extradata->avatars)
2094                 return;
2095
2096         if (textview->image)
2097                 gtk_widget_destroy(textview->image);
2098
2099         filename = addrindex_get_picture_file(msginfo->from);
2100
2101         if (!filename)
2102                 goto bail;
2103         if (!is_file_exist(filename)) {
2104                 g_free(filename);
2105                 goto bail;
2106         }
2107
2108         gdk_pixbuf_get_file_info(filename, &w, &h);
2109
2110         if (w > 48 || h > 48)
2111                 picture = gdk_pixbuf_new_from_file_at_scale(filename,
2112                                                 48, 48, TRUE, &error);
2113         else
2114                 picture = gdk_pixbuf_new_from_file(filename, &error);
2115
2116         if (error) {
2117                 debug_print("Failed to import image: %s\n",
2118                                 error->message);
2119                 g_error_free(error);
2120                 goto bail;
2121         }
2122         g_free(filename);
2123
2124         if (picture) {
2125                 textview->image = gtk_image_new_from_pixbuf(picture);
2126                 g_object_unref(picture);
2127         }
2128         cm_return_if_fail(textview->image != NULL);
2129
2130         gtk_widget_show(textview->image);
2131
2132         gtk_widget_get_allocation(textview->text, &allocation);
2133         x = allocation.width - WIDTH -5;
2134
2135         gtk_text_view_add_child_in_window(text, textview->image,
2136                 GTK_TEXT_WINDOW_TEXT, x, 5);
2137
2138         gtk_widget_show_all(textview->text);
2139
2140         return;
2141 bail:
2142         if (textview->image)
2143                 gtk_widget_destroy(textview->image);
2144         textview->image = NULL;
2145         textview->avatar_type = 0;
2146 #else
2147         /* new address book */
2148 #endif
2149 }
2150
2151 static gint textview_tag_cmp_list(gconstpointer a, gconstpointer b)
2152 {
2153         gint id_a = GPOINTER_TO_INT(a);
2154         gint id_b = GPOINTER_TO_INT(b);
2155         const gchar *tag_a = tags_get_tag(id_a);
2156         const gchar *tag_b = tags_get_tag(id_b);
2157
2158         if (tag_a == NULL)
2159                 return tag_b == NULL ? 0:1;
2160
2161         if (tag_b == NULL)
2162                 return 1;
2163
2164         return g_utf8_collate(tag_a, tag_b);
2165 }
2166
2167
2168 static void textview_show_tags(TextView *textview)
2169 {
2170         MsgInfo *msginfo = textview->messageview->msginfo;
2171         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2172         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2173         GtkTextIter iter;
2174         ClickableText *uri;
2175         GSList *cur, *orig;
2176         gboolean found_tag = FALSE;
2177
2178         if (!msginfo->tags)
2179                 return;
2180
2181         cur = orig = g_slist_sort(g_slist_copy(msginfo->tags), textview_tag_cmp_list);
2182
2183         for (; cur; cur = cur->next) {
2184                 if (tags_get_tag(GPOINTER_TO_INT(cur->data)) != NULL) {
2185                         found_tag = TRUE;
2186                         break;
2187                 }
2188         }
2189         if (!found_tag) {
2190                 g_slist_free(orig);
2191                 return;
2192         }
2193
2194         gtk_text_buffer_get_end_iter (buffer, &iter);
2195         gtk_text_buffer_insert_with_tags_by_name(buffer,
2196                 &iter, _("Tags: "), -1,
2197                 "header_title", "header", "tags", NULL);
2198
2199         for (cur = orig; cur; cur = cur->next) {
2200                 const gchar *cur_tag = tags_get_tag(GPOINTER_TO_INT(cur->data));
2201                 if (!cur_tag)
2202                         continue;
2203                 uri = g_new0(ClickableText, 1);
2204                 uri->uri = g_strdup("");
2205                 uri->start = gtk_text_iter_get_offset(&iter);
2206                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
2207                         cur_tag, -1,
2208                         "link", "header", "tags", NULL);
2209                 uri->end = gtk_text_iter_get_offset(&iter);
2210                 uri->filename = g_strdup_printf("sc://search_tags:%s", cur_tag);
2211                 uri->data = NULL;
2212                 textview->uri_list =
2213                         g_slist_prepend(textview->uri_list, uri);
2214                 if (cur->next && tags_get_tag(GPOINTER_TO_INT(cur->next->data)))
2215                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, ", ", 2,
2216                                 "header", "tags", NULL);
2217                 else
2218                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, " ", 1,
2219                                 "header", "tags", NULL);
2220         }
2221         g_slist_free(orig);
2222
2223         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2224                 "header", "tags", NULL);
2225 }
2226
2227 static void textview_show_header(TextView *textview, GPtrArray *headers)
2228 {
2229         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2230         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2231         GtkTextIter iter;
2232         Header *header;
2233         gint i;
2234
2235         cm_return_if_fail(headers != NULL);
2236
2237         for (i = 0; i < headers->len; i++) {
2238                 header = g_ptr_array_index(headers, i);
2239                 cm_return_if_fail(header->name != NULL);
2240
2241                 gtk_text_buffer_get_end_iter (buffer, &iter);
2242                 if(prefs_common.trans_hdr == TRUE) {
2243                         gchar *hdr = g_strndup(header->name, strlen(header->name) - 1);
2244                         gchar *trans_hdr = gettext(hdr);
2245                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2246                                 &iter, trans_hdr, -1,
2247                                 "header_title", "header", NULL);
2248                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2249                                 &iter, ":", 1, "header_title", "header", NULL);
2250                         g_free(hdr);
2251                 } else {
2252                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2253                                 &iter, header->name,
2254                                 -1, "header_title", "header", NULL);
2255                 }
2256                 if (header->name[strlen(header->name) - 1] != ' ')
2257                 gtk_text_buffer_insert_with_tags_by_name
2258                                 (buffer, &iter, " ", 1,
2259                                  "header_title", "header", NULL);
2260
2261                 if (procheader_headername_equal(header->name, "Subject") ||
2262                     procheader_headername_equal(header->name, "From") ||
2263                     procheader_headername_equal(header->name, "To") ||
2264                     procheader_headername_equal(header->name, "Cc") ||
2265                     procheader_headername_equal(header->name, "Bcc") ||
2266                     procheader_headername_equal(header->name, "Reply-To") ||
2267                     procheader_headername_equal(header->name, "Sender") ||
2268                     procheader_headername_equal(header->name, "Resent-From") ||
2269                     procheader_headername_equal(header->name, "Resent-To"))
2270                         unfold_line(header->body);
2271
2272                 if (procheader_headername_equal(header->name, "Date") &&
2273                     prefs_common.msgview_date_format) {
2274                         gchar hbody[80];
2275
2276                         procheader_date_parse(hbody, header->body, sizeof(hbody));
2277                         gtk_text_buffer_get_end_iter (buffer, &iter);
2278                         gtk_text_buffer_insert_with_tags_by_name
2279                                 (buffer, &iter, hbody, -1, "header", NULL);
2280                 } else if ((procheader_headername_equal(header->name, "X-Mailer") ||
2281                                 procheader_headername_equal(header->name,
2282                                                  "X-Newsreader")) &&
2283                                 (strstr(header->body, "Claws Mail") != NULL ||
2284                                 strstr(header->body, "Sylpheed-Claws") != NULL)) {
2285                         gtk_text_buffer_get_end_iter (buffer, &iter);
2286                         gtk_text_buffer_insert_with_tags_by_name
2287                                 (buffer, &iter, header->body, -1,
2288                                  "header", "emphasis", NULL);
2289                 } else {
2290                         gboolean hdr =
2291                           procheader_headername_equal(header->name, "From") ||
2292                           procheader_headername_equal(header->name, "To") ||
2293                           procheader_headername_equal(header->name, "Cc") ||
2294                           procheader_headername_equal(header->name, "Bcc") ||
2295                           procheader_headername_equal(header->name, "Reply-To") ||
2296                           procheader_headername_equal(header->name, "Sender") ||
2297                           procheader_headername_equal(header->name, "Resent-From") ||
2298                           procheader_headername_equal(header->name, "Resent-To");
2299                         textview_make_clickable_parts(textview, "header",
2300                                                       "hlink", header->body,
2301                                                       hdr);
2302                 }
2303                 gtk_text_buffer_get_end_iter (buffer, &iter);
2304                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2305                                                          "header", NULL);
2306         }
2307
2308         textview_show_avatar(textview);
2309
2310         textview_save_contact_pic(textview);
2311         textview_show_contact_pic(textview);
2312 }
2313
2314 gboolean textview_search_string(TextView *textview, const gchar *str,
2315                                 gboolean case_sens)
2316 {
2317         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2318
2319         return gtkut_text_view_search_string(text, str, case_sens);
2320 }
2321
2322 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
2323                                          gboolean case_sens)
2324 {
2325         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2326
2327         return gtkut_text_view_search_string_backward(text, str, case_sens);
2328 }
2329
2330 void textview_scroll_one_line(TextView *textview, gboolean up)
2331 {
2332         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2333         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2334
2335         gtkutils_scroll_one_line(GTK_WIDGET(text), vadj, up);
2336 }
2337
2338 gboolean textview_scroll_page(TextView *textview, gboolean up)
2339 {
2340         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2341         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2342
2343         return gtkutils_scroll_page(GTK_WIDGET(text), vadj, up);
2344 }
2345
2346 void textview_scroll_max(TextView *textview, gboolean up)
2347 {
2348         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2349         GtkTextIter iter;
2350
2351         if (up) {
2352                 gtk_text_buffer_get_start_iter(buffer, &iter);
2353                 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview->text),
2354                                                 &iter, 0.0, TRUE, 0.0, 1.0);
2355
2356         } else {
2357                 gtk_text_buffer_get_end_iter(buffer, &iter);
2358                 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview->text),
2359                                                 &iter, 0.0, TRUE, 0.0, 0.0);
2360         }
2361 }
2362
2363 #define KEY_PRESS_EVENT_STOP() \
2364         g_signal_stop_emission_by_name(G_OBJECT(widget), \
2365                                        "key_press_event");
2366
2367 static gint textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2368                                  TextView *textview)
2369 {
2370         GdkWindow *window = NULL;
2371         SummaryView *summaryview = NULL;
2372         MessageView *messageview = textview->messageview;
2373         gboolean mod_pressed;
2374
2375         if (!event) return FALSE;
2376         if (messageview->mainwin)
2377                 summaryview = messageview->mainwin->summaryview;
2378
2379         switch (event->keyval) {
2380         case GDK_KEY_Tab:
2381         case GDK_KEY_Left:
2382         case GDK_KEY_Up:
2383         case GDK_KEY_Right:
2384         case GDK_KEY_Down:
2385         case GDK_KEY_Control_L:
2386         case GDK_KEY_Control_R:
2387                 return FALSE;
2388         case GDK_KEY_Home:
2389         case GDK_KEY_End:
2390                 textview_scroll_max(textview,(event->keyval == GDK_KEY_Home));
2391                 return TRUE;
2392         case GDK_KEY_space:
2393                 mod_pressed = ((event->state & (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2394                 if (!mimeview_scroll_page(messageview->mimeview, mod_pressed) &&
2395                                 summaryview != NULL) {
2396                         if (mod_pressed)
2397                                 summary_select_prev_unread(summaryview);
2398                         else
2399                                 summary_select_next_unread(summaryview);
2400                 }
2401                 break;
2402         case GDK_KEY_Page_Down:
2403                 mimeview_scroll_page(messageview->mimeview, FALSE);
2404                 break;
2405         case GDK_KEY_Page_Up:
2406         case GDK_KEY_BackSpace:
2407                 mimeview_scroll_page(messageview->mimeview, TRUE);
2408                 break;
2409         case GDK_KEY_Return:
2410         case GDK_KEY_KP_Enter:
2411                 mimeview_scroll_one_line
2412                         (messageview->mimeview, (event->state &
2413                                     (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2414                 break;
2415         case GDK_KEY_Delete:
2416                 if (summaryview)
2417                         summary_pass_key_press_event(summaryview, event);
2418                 break;
2419         default:
2420                 if (messageview->mainwin) {
2421                         window = gtk_widget_get_window(messageview->mainwin->window);
2422                         if (summaryview &&
2423                             event->window != window) {
2424                                 GdkEventKey tmpev = *event;
2425
2426                                 tmpev.window = window;
2427                                 KEY_PRESS_EVENT_STOP();
2428                                 gtk_widget_event(messageview->mainwin->window,
2429                                                  (GdkEvent *)&tmpev);
2430                         }
2431                 }
2432                 break;
2433         }
2434
2435         return TRUE;
2436 }
2437
2438 static gboolean textview_motion_notify(GtkWidget *widget,
2439                                        GdkEventMotion *event,
2440                                        TextView *textview)
2441 {
2442         if (textview->loading)
2443                 return FALSE;
2444         textview_uri_update(textview, event->x, event->y);
2445         gdk_window_get_pointer(gtk_widget_get_window(widget), NULL, NULL, NULL);
2446
2447         return FALSE;
2448 }
2449
2450 static gboolean textview_leave_notify(GtkWidget *widget,
2451                                       GdkEventCrossing *event,
2452                                       TextView *textview)
2453 {
2454         if (textview->loading)
2455                 return FALSE;
2456         textview_uri_update(textview, -1, -1);
2457
2458         return FALSE;
2459 }
2460
2461 static gboolean textview_visibility_notify(GtkWidget *widget,
2462                                            GdkEventVisibility *event,
2463                                            TextView *textview)
2464 {
2465         gint wx, wy;
2466         GdkWindow *window;
2467
2468         if (textview->loading)
2469                 return FALSE;
2470
2471         window = gtk_text_view_get_window(GTK_TEXT_VIEW(widget),
2472                                           GTK_TEXT_WINDOW_TEXT);
2473
2474         /* check if occurred for the text window part */
2475         if (window != event->window)
2476                 return FALSE;
2477
2478         gdk_window_get_pointer(gtk_widget_get_window(widget), &wx, &wy, NULL);
2479         textview_uri_update(textview, wx, wy);
2480
2481         return FALSE;
2482 }
2483
2484 void textview_cursor_wait(TextView *textview)
2485 {
2486         GdkWindow *window = gtk_text_view_get_window(
2487                         GTK_TEXT_VIEW(textview->text),
2488                         GTK_TEXT_WINDOW_TEXT);
2489         textview_set_cursor(window, watch_cursor);
2490 }
2491
2492 void textview_cursor_normal(TextView *textview)
2493 {
2494         GdkWindow *window = gtk_text_view_get_window(
2495                         GTK_TEXT_VIEW(textview->text),
2496                         GTK_TEXT_WINDOW_TEXT);
2497         textview_set_cursor(window, text_cursor);
2498 }
2499
2500 static void textview_uri_update(TextView *textview, gint x, gint y)
2501 {
2502         GtkTextBuffer *buffer;
2503         GtkTextIter start_iter, end_iter;
2504         ClickableText *uri = NULL;
2505
2506         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2507
2508         if (x != -1 && y != -1) {
2509                 gint bx, by;
2510                 GtkTextIter iter;
2511                 GSList *tags;
2512                 GSList *cur;
2513
2514                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview->text),
2515                                                       GTK_TEXT_WINDOW_WIDGET,
2516                                                       x, y, &bx, &by);
2517                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview->text),
2518                                                    &iter, bx, by);
2519
2520                 tags = gtk_text_iter_get_tags(&iter);
2521                 for (cur = tags; cur != NULL; cur = cur->next) {
2522                         GtkTextTag *tag = cur->data;
2523                         char *name;
2524
2525                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
2526
2527                         if ((!strcmp(name, "link") || !strcmp(name, "hlink"))
2528                             && textview_get_uri_range(textview, &iter, tag,
2529                                                       &start_iter, &end_iter)) {
2530
2531                                 uri = textview_get_uri_from_range(textview,
2532                                                                   &iter, tag,
2533                                                                   &start_iter,
2534                                                                   &end_iter);
2535                         }
2536                         g_free(name);
2537                         if (uri)
2538                                 break;
2539                 }
2540                 g_slist_free(tags);
2541         }
2542
2543         if (uri != textview->uri_hover) {
2544                 GdkWindow *window;
2545
2546                 if (textview->uri_hover)
2547                         gtk_text_buffer_remove_tag_by_name(buffer,
2548                                                            "link-hover",
2549                                                            &textview->uri_hover_start_iter,
2550                                                            &textview->uri_hover_end_iter);
2551
2552                 textview->uri_hover = uri;
2553                 if (uri) {
2554                         textview->uri_hover_start_iter = start_iter;
2555                         textview->uri_hover_end_iter = end_iter;
2556                 }
2557
2558                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview->text),
2559                                                   GTK_TEXT_WINDOW_TEXT);
2560                 if (textview->messageview->mainwin->cursor_count == 0) {
2561                         textview_set_cursor(window, uri ? hand_cursor : text_cursor);
2562                 } else {
2563                         textview_set_cursor(window, watch_cursor);
2564                 }
2565
2566                 TEXTVIEW_STATUSBAR_POP(textview);
2567
2568                 if (uri) {
2569                         if (!uri->is_quote)
2570                                 gtk_text_buffer_apply_tag_by_name(buffer,
2571                                                           "link-hover",
2572                                                           &start_iter,
2573                                                           &end_iter);
2574                         TEXTVIEW_STATUSBAR_PUSH(textview, uri->uri);
2575                 }
2576         }
2577 }
2578
2579 static gboolean textview_get_uri_range(TextView *textview,
2580                                        GtkTextIter *iter,
2581                                        GtkTextTag *tag,
2582                                        GtkTextIter *start_iter,
2583                                        GtkTextIter *end_iter)
2584 {
2585         return get_tag_range(iter, tag, start_iter, end_iter);
2586 }
2587
2588 static ClickableText *textview_get_uri_from_range(TextView *textview,
2589                                               GtkTextIter *iter,
2590                                               GtkTextTag *tag,
2591                                               GtkTextIter *start_iter,
2592                                               GtkTextIter *end_iter)
2593 {
2594         gint start_pos, end_pos, cur_pos;
2595         ClickableText *uri = NULL;
2596         GSList *cur;
2597
2598         start_pos = gtk_text_iter_get_offset(start_iter);
2599         end_pos = gtk_text_iter_get_offset(end_iter);
2600         cur_pos = gtk_text_iter_get_offset(iter);
2601
2602         for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
2603                 ClickableText *uri_ = (ClickableText *)cur->data;
2604                 if (start_pos == uri_->start &&
2605                     end_pos ==  uri_->end) {
2606                         uri = uri_;
2607                         break;
2608                 }
2609         }
2610         for (cur = textview->uri_list; uri == NULL && cur != NULL; cur = cur->next) {
2611                 ClickableText *uri_ = (ClickableText *)cur->data;
2612                 if (start_pos == uri_->start ||
2613                            end_pos == uri_->end) {
2614                         /* in case of contiguous links, textview_get_uri_range
2615                          * returns a broader range (start of 1st link to end
2616                          * of last link).
2617                          * In that case, correct link is the one covering
2618                          * current iter.
2619                          */
2620                         if (uri_->start <= cur_pos && cur_pos <= uri_->end) {
2621                                 uri = uri_;
2622                                 break;
2623                         }
2624                 }
2625         }
2626
2627         return uri;
2628 }
2629
2630 static ClickableText *textview_get_uri(TextView *textview,
2631                                    GtkTextIter *iter,
2632                                    GtkTextTag *tag)
2633 {
2634         GtkTextIter start_iter, end_iter;
2635         ClickableText *uri = NULL;
2636
2637         if (textview_get_uri_range(textview, iter, tag, &start_iter,
2638                                    &end_iter))
2639                 uri = textview_get_uri_from_range(textview, iter, tag,
2640                                                   &start_iter, &end_iter);
2641
2642         return uri;
2643 }
2644
2645 static void textview_shift_uris_after(TextView *textview, GSList *start_list, gint start, gint shift)
2646 {
2647         GSList *cur;
2648         if (!start_list)
2649                 start_list = textview->uri_list;
2650
2651         for (cur = start_list; cur; cur = cur->next) {
2652                 ClickableText *uri = (ClickableText *)cur->data;
2653                 if (uri->start <= start)
2654                         continue;
2655                 uri->start += shift;
2656                 uri->end += shift;
2657         }
2658 }
2659
2660 static void textview_remove_uris_in(TextView *textview, gint start, gint end)
2661 {
2662         GSList *cur;
2663         for (cur = textview->uri_list; cur; ) {
2664                 ClickableText *uri = (ClickableText *)cur->data;
2665                 if (uri->start > start && uri->end < end) {
2666                         cur = cur->next;
2667                         textview->uri_list = g_slist_remove(textview->uri_list, uri);
2668                         g_free(uri->uri);
2669                         g_free(uri->filename);
2670                         if (uri->is_quote) {
2671                                 g_free(uri->fg_color);
2672                                 g_free(uri->data);
2673                                 /* (only free data in quotes uris) */
2674                         }
2675                         g_free(uri);
2676                 } else {
2677                         cur = cur->next;
2678                 }
2679
2680         }
2681 }
2682
2683 static void textview_toggle_quote(TextView *textview, GSList *start_list, ClickableText *uri, gboolean expand_only)
2684 {
2685         GtkTextIter start, end;
2686         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2687
2688         if (!uri->is_quote)
2689                 return;
2690
2691         if (uri->q_expanded && expand_only)
2692                 return;
2693
2694         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2695         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2696         if (textview->uri_hover)
2697                 gtk_text_buffer_remove_tag_by_name(buffer,
2698                                                    "link-hover",
2699                                                    &textview->uri_hover_start_iter,
2700                                                    &textview->uri_hover_end_iter);
2701         textview->uri_hover = NULL;
2702         gtk_text_buffer_remove_tag_by_name(buffer,
2703                                            "qlink",
2704                                            &start,
2705                                            &end);
2706         /* when shifting URIs start and end, we have to do it per-UTF8-char
2707          * so use g_utf8_strlen(). OTOH, when inserting in the text buffer,
2708          * we have to pass a number of bytes, so use strlen(). disturbing. */
2709
2710         if (!uri->q_expanded) {
2711                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2712                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2713                 textview_shift_uris_after(textview, start_list, uri->start,
2714                         g_utf8_strlen((gchar *)uri->data, -1)-strlen(" [...]\n"));
2715                 gtk_text_buffer_delete(buffer, &start, &end);
2716                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2717                 gtk_text_buffer_insert_with_tags_by_name
2718                                 (buffer, &start, (gchar *)uri->data,
2719                                  strlen((gchar *)uri->data)-1,
2720                                  "qlink", (gchar *)uri->fg_color, NULL);
2721                 uri->end = gtk_text_iter_get_offset(&start);
2722                 textview_make_clickable_parts_later(textview,
2723                                           uri->start, uri->end);
2724                 uri->q_expanded = TRUE;
2725         } else {
2726                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2727                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2728                 textview_remove_uris_in(textview, uri->start, uri->end);
2729                 textview_shift_uris_after(textview, start_list, uri->start,
2730                         strlen(" [...]\n")-g_utf8_strlen((gchar *)uri->data, -1));
2731                 gtk_text_buffer_delete(buffer, &start, &end);
2732                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2733                 gtk_text_buffer_insert_with_tags_by_name
2734                                 (buffer, &start, " [...]", -1,
2735                                  "qlink", (gchar *)uri->fg_color, NULL);
2736                 uri->end = gtk_text_iter_get_offset(&start);
2737                 uri->q_expanded = FALSE;
2738         }
2739         if (textview->messageview->mainwin->cursor_count == 0) {
2740                 textview_cursor_normal(textview);
2741         } else {
2742                 textview_cursor_wait(textview);
2743         }
2744 }
2745 static gboolean textview_uri_button_pressed(GtkTextTag *tag, GObject *obj,
2746                                             GdkEvent *event, GtkTextIter *iter,
2747                                             TextView *textview)
2748 {
2749         GdkEventButton *bevent;
2750         ClickableText *uri = NULL;
2751         char *tagname;
2752         gboolean qlink = FALSE;
2753
2754         if (!event)
2755                 return FALSE;
2756
2757         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
2758                 && event->type != GDK_MOTION_NOTIFY)
2759                 return FALSE;
2760
2761         uri = textview_get_uri(textview, iter, tag);
2762         if (!uri)
2763                 return FALSE;
2764
2765         g_object_get(G_OBJECT(tag), "name", &tagname, NULL);
2766
2767         if (!strcmp(tagname, "qlink"))
2768                 qlink = TRUE;
2769
2770         g_free(tagname);
2771
2772         bevent = (GdkEventButton *) event;
2773
2774         /* doubleclick: open compose / add address / browser */
2775         if (qlink && event->type == GDK_BUTTON_PRESS && bevent->button != 1) {
2776                 /* pass rightclick through */
2777                 return FALSE;
2778         } else if ((event->type == (qlink ? GDK_2BUTTON_PRESS:GDK_BUTTON_PRESS) && bevent->button == 1) ||
2779                 bevent->button == 2 || bevent->button == 3) {
2780                 if (uri->filename && !g_ascii_strncasecmp(uri->filename, "sc://", 5)) {
2781                         MimeView *mimeview =
2782                                 (textview->messageview)?
2783                                         textview->messageview->mimeview:NULL;
2784                         if (mimeview && bevent->button == 1) {
2785                                 mimeview_handle_cmd(mimeview, uri->filename, NULL, uri->data);
2786                         } else if (mimeview && bevent->button == 2 &&
2787                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2788                                 mimeview_handle_cmd(mimeview, "sc://open_attachment", NULL, uri->data);
2789                         } else if (mimeview && bevent->button == 3 &&
2790                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2791                                 mimeview_handle_cmd(mimeview, "sc://menu_attachment", bevent, uri->data);
2792                         }
2793                         return TRUE;
2794                 } else if (qlink && bevent->button == 1) {
2795                         if (prefs_common.hide_quoted) {
2796                                 textview_toggle_quote(textview, NULL, uri, FALSE);
2797                                 return TRUE;
2798                         } else
2799                                 return FALSE;
2800                 } else if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) {
2801                         if (bevent->button == 3) {
2802                                 g_object_set_data(
2803                                         G_OBJECT(textview->mail_popup_menu),
2804                                         "menu_button", uri);
2805                                 gtk_menu_popup(GTK_MENU(textview->mail_popup_menu),
2806                                                NULL, NULL, NULL, NULL,
2807                                                bevent->button, bevent->time);
2808                         } else {
2809                                 PrefsAccount *account = NULL;
2810                                 FolderItem   *folder_item = NULL;
2811                                 Compose *compose;
2812
2813                                 if (textview->messageview && textview->messageview->msginfo &&
2814                                     textview->messageview->msginfo->folder) {
2815
2816
2817                                         folder_item = textview->messageview->msginfo->folder;
2818                                         if (folder_item->prefs && folder_item->prefs->enable_default_account)
2819                                                 account = account_find_from_id(folder_item->prefs->default_account);
2820                                         if (!account)
2821                                                 account = account_find_from_item(folder_item);
2822                                 }
2823                                 compose = compose_new_with_folderitem(account,
2824                                                                 folder_item, uri->uri + 7);
2825                                 compose_check_for_email_account(compose);
2826                         }
2827                         return TRUE;
2828                 } else if (g_ascii_strncasecmp(uri->uri, "file:", 5)) {
2829                         if (bevent->button == 1 &&
2830                             textview_uri_security_check(textview, uri) == TRUE)
2831                                         open_uri(uri->uri,
2832                                                  prefs_common_get_uri_cmd());
2833                         else if (bevent->button == 3 && !qlink) {
2834                                 g_object_set_data(
2835                                         G_OBJECT(textview->link_popup_menu),
2836                                         "menu_button", uri);
2837                                 gtk_menu_popup(GTK_MENU(textview->link_popup_menu),
2838                                                NULL, NULL, NULL, NULL,
2839                                                bevent->button, bevent->time);
2840                         }
2841                         return TRUE;
2842                 } else {
2843                         if (bevent->button == 3 && !qlink) {
2844                                 g_object_set_data(
2845                                         G_OBJECT(textview->file_popup_menu),
2846                                         "menu_button", uri);
2847                                 gtk_menu_popup(GTK_MENU(textview->file_popup_menu),
2848                                                NULL, NULL, NULL, NULL,
2849                                                bevent->button, bevent->time);
2850                                 return TRUE;
2851                         }
2852                 }
2853         }
2854
2855         return FALSE;
2856 }
2857
2858 gchar *textview_get_visible_uri         (TextView       *textview,
2859                                          ClickableText  *uri)
2860 {
2861         GtkTextBuffer *buffer;
2862         GtkTextIter start, end;
2863
2864         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2865
2866         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2867         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2868
2869         return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
2870 }
2871
2872 /*!
2873  *\brief    Check to see if a web URL has been disguised as a different
2874  *          URL (possible with HTML email).
2875  *
2876  *\param    uri The uri to check
2877  *
2878  *\param    textview The TextView the URL is contained in
2879  *
2880  *\return   gboolean TRUE if the URL is ok, or if the user chose to open
2881  *          it anyway, otherwise FALSE
2882  */
2883 gboolean textview_uri_security_check(TextView *textview, ClickableText *uri)
2884 {
2885         gchar *visible_str;
2886         gboolean retval = TRUE;
2887
2888         if (is_uri_string(uri->uri) == FALSE)
2889                 return TRUE;
2890
2891         visible_str = textview_get_visible_uri(textview, uri);
2892         if (visible_str == NULL)
2893                 return TRUE;
2894
2895         g_strstrip(visible_str);
2896
2897         if (strcmp(visible_str, uri->uri) != 0 && is_uri_string(visible_str)) {
2898                 gchar *uri_path;
2899                 gchar *visible_uri_path;
2900
2901                 uri_path = get_uri_path(uri->uri);
2902                 visible_uri_path = get_uri_path(visible_str);
2903                 if (path_cmp(uri_path, visible_uri_path) != 0)
2904                         retval = FALSE;
2905         }
2906
2907         if (retval == FALSE) {
2908                 gchar *msg;
2909                 AlertValue aval;
2910
2911                 msg = g_markup_printf_escaped("%s\n\n"
2912                                                 "<b>%s</b> %s\n\n"
2913                                                 "<b>%s</b> %s\n\n"
2914                                                 "%s",
2915                                                 _("The real URL is different from the displayed URL."),
2916                                                 _("Displayed URL:"), visible_str,
2917                                                 _("Real URL:"), uri->uri,
2918                                                 _("Open it anyway?"));
2919                 aval = alertpanel_full(_("Phishing attempt warning"), msg,
2920                                        GTK_STOCK_CANCEL, _("_Open URL"), NULL, ALERTFOCUS_FIRST,
2921                                                          FALSE, NULL, ALERT_WARNING);
2922                 g_free(msg);
2923                 if (aval == G_ALERTALTERNATE)
2924                         retval = TRUE;
2925         }
2926
2927         g_free(visible_str);
2928
2929         return retval;
2930 }
2931
2932 static void textview_uri_list_remove_all(GSList *uri_list)
2933 {
2934         GSList *cur;
2935
2936         for (cur = uri_list; cur != NULL; cur = cur->next) {
2937                 if (cur->data) {
2938                         g_free(((ClickableText *)cur->data)->uri);
2939                         g_free(((ClickableText *)cur->data)->filename);
2940                         if (((ClickableText *)cur->data)->is_quote) {
2941                                 g_free(((ClickableText *)cur->data)->fg_color);
2942                                 g_free(((ClickableText *)cur->data)->data);
2943                                 /* (only free data in quotes uris) */
2944                         }
2945                         g_free(cur->data);
2946                 }
2947         }
2948
2949         g_slist_free(uri_list);
2950 }
2951
2952 static void open_uri_cb (GtkAction *action, TextView *textview)
2953 {
2954         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2955                                            "menu_button");
2956         const gchar *raw_url = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2957                                            "raw_url");
2958
2959         if (uri) {
2960                 if (textview_uri_security_check(textview, uri) == TRUE)
2961                         open_uri(uri->uri,
2962                                  prefs_common_get_uri_cmd());
2963                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2964                                   NULL);
2965         }
2966         if (raw_url) {
2967                 open_uri(raw_url, prefs_common_get_uri_cmd());
2968                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
2969                                   NULL);
2970         }
2971 }
2972
2973 static void copy_uri_cb (GtkAction *action, TextView *textview)
2974 {
2975         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2976                                            "menu_button");
2977         const gchar *raw_url =  g_object_get_data(G_OBJECT(textview->link_popup_menu),
2978                                            "raw_url");
2979         if (uri) {
2980                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri, -1);
2981                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri, -1);
2982                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2983                           NULL);
2984         }
2985         if (raw_url) {
2986                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), raw_url, -1);
2987                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), raw_url, -1);
2988                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
2989                           NULL);
2990         }
2991 }
2992
2993 static void add_uri_to_addrbook_cb (GtkAction *action, TextView *textview)
2994 {
2995         gchar *fromname, *fromaddress;
2996         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
2997                                            "menu_button");
2998         AvatarRender *avatarr = NULL;
2999         GdkPixbuf *picture = NULL;
3000         gboolean use_picture = FALSE;
3001
3002         if (uri == NULL)
3003                 return;
3004
3005         /* extract url */
3006         fromaddress = g_strdup(uri->uri + 7);
3007
3008         if (textview->messageview->msginfo &&
3009            !g_strcmp0(fromaddress, textview->messageview->msginfo->from))
3010                 use_picture = TRUE;
3011
3012         fromname = procheader_get_fromname(fromaddress);
3013         extract_address(fromaddress);
3014
3015         if (use_picture) {
3016                 avatarr = avatars_avatarrender_new(textview->messageview->msginfo);
3017                 hooks_invoke(AVATAR_IMAGE_RENDER_HOOKLIST, avatarr);
3018         }
3019
3020         if (avatarr && avatarr->image) {
3021                 picture = gtk_image_get_pixbuf(GTK_IMAGE(avatarr->image));
3022         }
3023         if (avatarr) {
3024                 avatars_avatarrender_free(avatarr);
3025         }
3026
3027 #ifndef USE_ALT_ADDRBOOK
3028         addressbook_add_contact( fromname, fromaddress, NULL, picture);
3029 #else
3030         if (addressadd_selection(fromname, fromaddress, NULL, picture)) {
3031                 debug_print( "addressbook_add_contact - added\n" );
3032         }
3033 #endif
3034
3035         g_free(fromaddress);
3036         g_free(fromname);
3037 }
3038
3039 static void reply_to_uri_cb (GtkAction *action, TextView *textview)
3040 {
3041         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3042                                            "menu_button");
3043         if (!textview->messageview || !uri)
3044                 return;
3045
3046         compose_reply_to_address (textview->messageview,
3047                                   textview->messageview->msginfo, uri->uri+7);
3048 }
3049
3050 static void mail_to_uri_cb (GtkAction *action, TextView *textview)
3051 {
3052         PrefsAccount *account = NULL;
3053         Compose *compose;
3054         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3055                                            "menu_button");
3056         if (uri == NULL)
3057                 return;
3058
3059         if (textview->messageview && textview->messageview->msginfo &&
3060             textview->messageview->msginfo->folder) {
3061                 FolderItem   *folder_item;
3062
3063                 folder_item = textview->messageview->msginfo->folder;
3064                 if (folder_item->prefs && folder_item->prefs->enable_default_account)
3065                         account = account_find_from_id(folder_item->prefs->default_account);
3066
3067                 compose = compose_new_with_folderitem(account, folder_item, uri->uri+7);
3068         } else {
3069                 compose = compose_new(account, uri->uri + 7, NULL);
3070         }
3071         compose_check_for_email_account(compose);
3072 }
3073
3074 static void copy_mail_to_uri_cb (GtkAction *action, TextView *textview)
3075 {
3076         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3077                                            "menu_button");
3078         if (uri == NULL)
3079                 return;
3080
3081         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri +7, -1);
3082         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri +7, -1);
3083         g_object_set_data(G_OBJECT(textview->mail_popup_menu), "menu_button",
3084                           NULL);
3085 }
3086
3087 void textview_get_selection_offsets(TextView *textview, gint *sel_start, gint *sel_end)
3088 {
3089                 GtkTextView *text = GTK_TEXT_VIEW(textview->text);
3090                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
3091                 GtkTextIter start, end;
3092                 if (gtk_text_buffer_get_selection_bounds(buffer, &start, &end)) {
3093                         if (sel_start)
3094                                 *sel_start = gtk_text_iter_get_offset(&start);
3095                         if (sel_end)
3096                                 *sel_end = gtk_text_iter_get_offset(&end);
3097                 } else {
3098                         if (sel_start)
3099                                 *sel_start = -1;
3100                         if (sel_end)
3101                                 *sel_end = -1;
3102                 }
3103 }