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 save_file_cb                        (GtkAction      *action,
 238                                                  TextView       *textview);
 239 static void open_image_cb                       (GtkAction      *action,
 240                                                  TextView       *textview);
 241 static void textview_show_tags(TextView *textview);
 242
 243 static GtkActionEntry textview_link_popup_entries[] =
 244 {
 245         {"TextviewPopupLink",                   NULL, "TextviewPopupLink", NULL, NULL, NULL },
 246         {"TextviewPopupLink/Open",              NULL, N_("_Open in web browser"), NULL, NULL, G_CALLBACK(open_uri_cb) },
 247         {"TextviewPopupLink/Copy",              NULL, N_("Copy this _link"), NULL, NULL, G_CALLBACK(copy_uri_cb) },
 248 };
 249
 250 static GtkActionEntry textview_mail_popup_entries[] =
 251 {
 252         {"TextviewPopupMail",                   NULL, "TextviewPopupMail", NULL, NULL, NULL },
 253         {"TextviewPopupMail/Compose",           NULL, N_("Compose _new message"), NULL, NULL, G_CALLBACK(mail_to_uri_cb) },
 254         {"TextviewPopupMail/ReplyTo",           NULL, N_("_Reply to this address"), NULL, NULL, G_CALLBACK(reply_to_uri_cb) },
 255         {"TextviewPopupMail/AddAB",             NULL, N_("Add to _Address book"), NULL, NULL, G_CALLBACK(add_uri_to_addrbook_cb) },
 256         {"TextviewPopupMail/Copy",              NULL, N_("Copy this add_ress"), NULL, NULL, G_CALLBACK(copy_mail_to_uri_cb) },
 257 };
 258
 259 static GtkActionEntry textview_file_popup_entries[] =
 260 {
 261         {"TextviewPopupFile",                   NULL, "TextviewPopupFile", NULL, NULL, NULL },
 262         {"TextviewPopupFile/Open",              NULL, N_("_Open image"), NULL, NULL, G_CALLBACK(open_image_cb) },
 263         {"TextviewPopupFile/Save",              NULL, N_("_Save image..."), NULL, NULL, G_CALLBACK(save_file_cb) },
 264 };
 265
 266 static void scrolled_cb (GtkAdjustment *adj, TextView *textview)
 267 {
 268 #ifndef WIDTH
 269 #  define WIDTH 48
 270 #  define HEIGHT 48
 271 #endif
 272         if (textview->image) {
 273                 GtkAllocation allocation;
 274                 gint x, y, x1;
 275                 gtk_widget_get_allocation(textview->text, &allocation);
 276                 x1 = allocation.width - WIDTH - 5;
 277                 gtk_text_view_buffer_to_window_coords(
 278                         GTK_TEXT_VIEW(textview->text),
 279                         GTK_TEXT_WINDOW_TEXT, x1, 5, &x, &y);
 280                 gtk_text_view_move_child(GTK_TEXT_VIEW(textview->text),
 281                         textview->image, x1, y);
 282         }
 283 }
 284
 285 static void textview_size_allocate_cb   (GtkWidget      *widget,
 286                                          GtkAllocation  *allocation,
 287                                          gpointer        data)
 288 {
 289         scrolled_cb(NULL, (TextView *)data);
 290 }
 291
 292 TextView *textview_create(void)
 293 {
 294         TextView *textview;
 295         GtkWidget *vbox;
 296         GtkWidget *scrolledwin;
 297         GtkWidget *text;
 298         GtkTextBuffer *buffer;
 299         GtkClipboard *clipboard;
 300         GtkAdjustment *adj;
 301
 302         debug_print("Creating text view...\n");
 303         textview = g_new0(TextView, 1);
 304
 305         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 306         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 307                                        GTK_POLICY_AUTOMATIC,
 308                                        GTK_POLICY_AUTOMATIC);
 309         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 310                                             GTK_SHADOW_IN);
 311         gtk_widget_set_size_request
 312                 (scrolledwin, prefs_common.mainview_width, -1);
 313
 314         /* create GtkSText widgets for single-byte and multi-byte character */
 315         text = gtk_text_view_new();
 316         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 317         gtk_widget_show(text);
 318         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 319         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD_CHAR);
 320         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 321         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 322         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 323
 324         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 325         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 326         gtk_text_buffer_add_selection_clipboard(buffer, clipboard);
 327
 328         gtk_widget_ensure_style(text);
 329
 330         g_object_ref(scrolledwin);
 331
 332         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 333
 334         g_signal_connect(G_OBJECT(text), "key-press-event",
 335                          G_CALLBACK(textview_key_pressed), textview);
 336         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 337                          G_CALLBACK(textview_motion_notify), textview);
 338         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 339                          G_CALLBACK(textview_leave_notify), textview);
 340         g_signal_connect(G_OBJECT(text), "visibility-notify-event",
 341                          G_CALLBACK(textview_visibility_notify), textview);
 342         adj = gtk_scrolled_window_get_vadjustment(
 343                 GTK_SCROLLED_WINDOW(scrolledwin));
 344         g_signal_connect(G_OBJECT(adj), "value-changed",
 345                          G_CALLBACK(scrolled_cb), textview);
 346         g_signal_connect(G_OBJECT(text), "size_allocate",
 347                          G_CALLBACK(textview_size_allocate_cb),
 348                          textview);
 349
 350
 351         gtk_widget_show(scrolledwin);
 352
 353         vbox = gtk_vbox_new(FALSE, 0);
 354         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 355
 356         gtk_widget_show(vbox);
 357
 358
 359         textview->ui_manager = gtk_ui_manager_new();
 360         textview->link_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 361                         "TextviewPopupLink",
 362                         textview_link_popup_entries,
 363                         G_N_ELEMENTS(textview_link_popup_entries), (gpointer)textview);
 364         textview->mail_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 365                         "TextviewPopupMail",
 366                         textview_mail_popup_entries,
 367                         G_N_ELEMENTS(textview_mail_popup_entries), (gpointer)textview);
 368         textview->file_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 369                         "TextviewPopupFile",
 370                         textview_file_popup_entries,
 371                         G_N_ELEMENTS(textview_file_popup_entries), (gpointer)textview);
 372
 373         MENUITEM_ADDUI_MANAGER(textview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 374         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 375                         "/Menus", "TextviewPopupLink", "TextviewPopupLink", GTK_UI_MANAGER_MENU)
 376         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 377                         "/Menus", "TextviewPopupMail", "TextviewPopupMail", GTK_UI_MANAGER_MENU)
 378         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 379                         "/Menus", "TextviewPopupFile", "TextviewPopupFile", GTK_UI_MANAGER_MENU)
 380
 381         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 382                         "/Menus/TextviewPopupLink", "Open", "TextviewPopupLink/Open", GTK_UI_MANAGER_MENUITEM)
 383         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 384                         "/Menus/TextviewPopupLink", "Copy", "TextviewPopupLink/Copy", GTK_UI_MANAGER_MENUITEM)
 385         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 386                         "/Menus/TextviewPopupMail", "Compose", "TextviewPopupMail/Compose", GTK_UI_MANAGER_MENUITEM)
 387         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 388                         "/Menus/TextviewPopupMail", "ReplyTo", "TextviewPopupMail/ReplyTo", GTK_UI_MANAGER_MENUITEM)
 389         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 390                         "/Menus/TextviewPopupMail", "AddAB", "TextviewPopupMail/AddAB", GTK_UI_MANAGER_MENUITEM)
 391         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 392                         "/Menus/TextviewPopupMail", "Copy", "TextviewPopupMail/Copy", GTK_UI_MANAGER_MENUITEM)
 393         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 394                         "/Menus/TextviewPopupFile", "Open", "TextviewPopupFile/Open", GTK_UI_MANAGER_MENUITEM)
 395         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 396                         "/Menus/TextviewPopupFile", "Save", "TextviewPopupFile/Save", GTK_UI_MANAGER_MENUITEM)
 397
 398         textview->link_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 399                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupLink")) );
 400         textview->mail_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 401                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupMail")) );
 402         textview->file_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 403                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupFile")) );
 404
 405         textview->vbox               = vbox;
 406         textview->scrolledwin        = scrolledwin;
 407         textview->text               = text;
 408         textview->uri_list           = NULL;
 409         textview->body_pos           = 0;
 410         textview->last_buttonpress   = GDK_NOTHING;
 411         textview->image              = NULL;
 412         return textview;
 413 }
 414
 415 static void textview_create_tags(GtkTextView *text, TextView *textview)
 416 {
 417         GtkTextBuffer *buffer;
 418         GtkTextTag *tag, *qtag;
 419         static PangoFontDescription *font_desc, *bold_font_desc;
 420
 421         if (!font_desc)
 422                 font_desc = pango_font_description_from_string
 423                         (NORMAL_FONT);
 424
 425         if (!bold_font_desc) {
 426                 if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
 427                         bold_font_desc = pango_font_description_from_string
 428                                 (NORMAL_FONT);
 429                         pango_font_description_set_weight
 430                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
 431                 } else {
 432                         bold_font_desc = pango_font_description_from_string
 433                                 (BOLD_FONT);
 434                 }
 435         }
 436
 437         buffer = gtk_text_view_get_buffer(text);
 438
 439         gtk_text_buffer_create_tag(buffer, "header",
 440                                    "pixels-above-lines", 0,
 441                                    "pixels-above-lines-set", TRUE,
 442                                    "pixels-below-lines", 0,
 443                                    "pixels-below-lines-set", TRUE,
 444                                    "font-desc", font_desc,
 445                                    "left-margin", 3,
 446                                    "left-margin-set", TRUE,
 447                                    NULL);
 448         gtk_text_buffer_create_tag(buffer, "header_title",
 449                                    "font-desc", bold_font_desc,
 450                                    NULL);
 451         tag = gtk_text_buffer_create_tag(buffer, "hlink",
 452                                    "pixels-above-lines", 0,
 453                                    "pixels-above-lines-set", TRUE,
 454                                    "pixels-below-lines", 0,
 455                                    "pixels-below-lines-set", TRUE,
 456                                    "font-desc", font_desc,
 457                                    "left-margin", 3,
 458                                    "left-margin-set", TRUE,
 459                                    "foreground-gdk", &uri_color,
 460                                    NULL);
 461         g_signal_connect(G_OBJECT(tag), "event",
 462                          G_CALLBACK(textview_uri_button_pressed), textview);
 463         if (prefs_common.enable_bgcolor) {
 464                 gtk_text_buffer_create_tag(buffer, "quote0",
 465                                 "foreground-gdk", &quote_colors[0],
 466                                 "paragraph-background-gdk", &quote_bgcolors[0],
 467                                 NULL);
 468                 gtk_text_buffer_create_tag(buffer, "quote1",
 469                                 "foreground-gdk", &quote_colors[1],
 470                                 "paragraph-background-gdk", &quote_bgcolors[1],
 471                                 NULL);
 472                 gtk_text_buffer_create_tag(buffer, "quote2",
 473                                 "foreground-gdk", &quote_colors[2],
 474                                 "paragraph-background-gdk", &quote_bgcolors[2],
 475                                 NULL);
 476         } else {
 477                 gtk_text_buffer_create_tag(buffer, "quote0",
 478                                 "foreground-gdk", &quote_colors[0],
 479                                 NULL);
 480                 gtk_text_buffer_create_tag(buffer, "quote1",
 481                                 "foreground-gdk", &quote_colors[1],
 482                                 NULL);
 483                 gtk_text_buffer_create_tag(buffer, "quote2",
 484                                 "foreground-gdk", &quote_colors[2],
 485                                 NULL);
 486         }
 487         gtk_text_buffer_create_tag(buffer, "tags",
 488                         "foreground-gdk", &tags_color,
 489                         "paragraph-background-gdk", &tags_bgcolor,
 490                         NULL);
 491         gtk_text_buffer_create_tag(buffer, "emphasis",
 492                         "foreground-gdk", &emphasis_color,
 493                         NULL);
 494         gtk_text_buffer_create_tag(buffer, "signature",
 495                         "foreground-gdk", &signature_color,
 496                         NULL);
 497         tag = gtk_text_buffer_create_tag(buffer, "link",
 498                         "foreground-gdk", &uri_color,
 499                         NULL);
 500         qtag = gtk_text_buffer_create_tag(buffer, "qlink",
 501                         NULL);
 502         gtk_text_buffer_create_tag(buffer, "link-hover",
 503                         "underline", PANGO_UNDERLINE_SINGLE,
 504                         NULL);
 505         gtk_text_buffer_create_tag(buffer, "diff-add",
 506                         "foreground-gdk", &diff_added_color,
 507                         NULL);
 508         gtk_text_buffer_create_tag(buffer, "diff-del",
 509                         "foreground-gdk", &diff_deleted_color,
 510                         NULL);
 511         gtk_text_buffer_create_tag(buffer, "diff-add-file",
 512                         "foreground-gdk", &diff_added_color,
 513                         "weight", PANGO_WEIGHT_BOLD,
 514                         NULL);
 515         gtk_text_buffer_create_tag(buffer, "diff-del-file",
 516                         "foreground-gdk", &diff_deleted_color,
 517                         "weight", PANGO_WEIGHT_BOLD,
 518                         NULL);
 519         gtk_text_buffer_create_tag(buffer, "diff-hunk",
 520                         "foreground-gdk", &diff_hunk_color,
 521                         "weight", PANGO_WEIGHT_BOLD,
 522                         NULL);
 523         g_signal_connect(G_OBJECT(qtag), "event",
 524                          G_CALLBACK(textview_uri_button_pressed), textview);
 525         g_signal_connect(G_OBJECT(tag), "event",
 526                          G_CALLBACK(textview_uri_button_pressed), textview);
 527 /*      if (font_desc)
 528                 pango_font_description_free(font_desc);
 529         if (bold_font_desc)
 530                 pango_font_description_free(bold_font_desc);*/
 531  }
 532
 533 void textview_init(TextView *textview)
 534 {
 535         if (!hand_cursor)
 536                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 537         if (!text_cursor)
 538                 text_cursor = gdk_cursor_new(GDK_XTERM);
 539         if (!watch_cursor)
 540                 watch_cursor = gdk_cursor_new(GDK_WATCH);
 541
 542         textview_reflect_prefs(textview);
 543         textview_set_font(textview, NULL);
 544         textview_create_tags(GTK_TEXT_VIEW(textview->text), textview);
 545 }
 546
 547  #define CHANGE_TAG_COLOR(tagname, colorfg, colorbg) { \
 548         tag = gtk_text_tag_table_lookup(tags, tagname); \
 549         if (tag) \
 550                 g_object_set(G_OBJECT(tag), "foreground-gdk", colorfg, "paragraph-background-gdk", colorbg, NULL); \
 551  }
 552
 553 static void textview_update_message_colors(TextView *textview)
 554 {
 555         GdkColor black = {0, 0, 0, 0};
 556         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
 557
 558         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
 559         GtkTextTag *tag = NULL;
 560
 561         quote_bgcolors[0] = quote_bgcolors[1] = quote_bgcolors[2] = black;
 562         quote_colors[0] = quote_colors[1] = quote_colors[2] = black;
 563         uri_color = emphasis_color = signature_color = diff_added_color =
 564                 diff_deleted_color = diff_hunk_color = black;
 565         tags_bgcolor = tags_color = black;
 566
 567         if (prefs_common.enable_color) {
 568                 /* grab the quote colors, converting from an int to a GdkColor */
 569                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_QUOTE_LEVEL1],
 570                                                &quote_colors[0]);
 571                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_QUOTE_LEVEL2],
 572                                                &quote_colors[1]);
 573                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_QUOTE_LEVEL3],
 574                                                &quote_colors[2]);
 575                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_URI],
 576                                                &uri_color);
 577                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_SIGNATURE],
 578                                                &signature_color);
 579                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_EMPHASIS],
 580                                                &emphasis_color);
 581                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_DIFF_ADDED],
 582                                                &diff_added_color);
 583                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_DIFF_DELETED],
 584                                                &diff_deleted_color);
 585                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_DIFF_HUNK],
 586                                                &diff_hunk_color);
 587         }
 588         if (prefs_common.enable_color && prefs_common.enable_bgcolor) {
 589                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_QUOTE_LEVEL1_BG],
 590                                                    &quote_bgcolors[0]);
 591                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_QUOTE_LEVEL2_BG],
 592                                                    &quote_bgcolors[1]);
 593                 gtkut_convert_int_to_gdk_color(prefs_common.color[COL_QUOTE_LEVEL3_BG],
 594                                                    &quote_bgcolors[2]);
 595                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], &quote_bgcolors[0]);
 596                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], &quote_bgcolors[1]);
 597                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], &quote_bgcolors[2]);
 598         } else {
 599                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], NULL);
 600                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], NULL);
 601                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], NULL);
 602         }
 603
 604         CHANGE_TAG_COLOR("emphasis", &emphasis_color, NULL);
 605         CHANGE_TAG_COLOR("signature", &signature_color, NULL);
 606         CHANGE_TAG_COLOR("link", &uri_color, NULL);
 607         CHANGE_TAG_COLOR("link-hover", &uri_color, NULL);
 608         CHANGE_TAG_COLOR("diff-add", &diff_added_color, NULL);
 609         CHANGE_TAG_COLOR("diff-del", &diff_deleted_color, NULL);
 610         CHANGE_TAG_COLOR("diff-add-file", &diff_added_color, NULL);
 611         CHANGE_TAG_COLOR("diff-del-file", &diff_deleted_color, NULL);
 612         CHANGE_TAG_COLOR("diff-hunk", &diff_hunk_color, NULL);
 613
 614         gtkut_convert_int_to_gdk_color(prefs_common.color[COL_TAGS_BG],
 615                                            &tags_bgcolor);
 616         gtkut_convert_int_to_gdk_color(prefs_common.color[COL_TAGS],
 617                                            &tags_color);
 618 }
 619 #undef CHANGE_TAG_COLOR
 620
 621 void textview_reflect_prefs(TextView *textview)
 622 {
 623         textview_set_font(textview, NULL);
 624         textview_update_message_colors(textview);
 625         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textview->text),
 626                                          prefs_common.textview_cursor_visible);
 627 }
 628
 629 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
 630 {
 631         START_TIMING("");
 632         cm_return_if_fail(mimeinfo != NULL);
 633         cm_return_if_fail(fp != NULL);
 634
 635         textview->loading = TRUE;
 636         textview->stop_loading = FALSE;
 637
 638         textview_clear(textview);
 639
 640         if (mimeinfo->type == MIMETYPE_MULTIPART ||
 641             (mimeinfo->type == MIMETYPE_MESSAGE && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822"))) {
 642                 textview_add_parts(textview, mimeinfo);
 643         } else {
 644                 if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0)
 645                         perror("fseek");
 646
 647                 textview_write_body(textview, mimeinfo);
 648         }
 649
 650         textview->loading = FALSE;
 651         textview->stop_loading = FALSE;
 652         textview_set_position(textview, 0);
 653
 654         END_TIMING();
 655 }
 656
 657 static void textview_add_part(TextView *textview, MimeInfo *mimeinfo)
 658 {
 659         GtkAllocation allocation;
 660         GtkTextView *text;
 661         GtkTextBuffer *buffer;
 662         GtkTextIter iter, start_iter;
 663         gchar buf[BUFFSIZE];
 664         GPtrArray *headers = NULL;
 665         const gchar *name;
 666         gchar *content_type;
 667         gint charcount;
 668
 669         START_TIMING("");
 670
 671         cm_return_if_fail(mimeinfo != NULL);
 672         text = GTK_TEXT_VIEW(textview->text);
 673         buffer = gtk_text_view_get_buffer(text);
 674         charcount = gtk_text_buffer_get_char_count(buffer);
 675         gtk_text_buffer_get_end_iter(buffer, &iter);
 676
 677         if (textview->stop_loading) {
 678                 return;
 679         }
 680         if (mimeinfo->type == MIMETYPE_MULTIPART) {
 681                 END_TIMING();
 682                 return;
 683         }
 684
 685         textview->prev_quote_level = -1;
 686
 687         if ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822")) {
 688                 FILE *fp;
 689                 if (mimeinfo->content == MIMECONTENT_MEM)
 690                         fp = str_open_as_stream(mimeinfo->data.mem);
 691                 else
 692                         fp = claws_fopen(mimeinfo->data.filename, "rb");
 693                 if (!fp) {
 694                         FILE_OP_ERROR(mimeinfo->data.filename, "claws_fopen");
 695                         END_TIMING();
 696                         return;
 697                 }
 698                 if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0) {
 699                         FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
 700                         claws_fclose(fp);
 701                         END_TIMING();
 702                         return;
 703                 }
 704                 headers = textview_scan_header(textview, fp);
 705                 if (headers) {
 706                         if (charcount > 0)
 707                                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 708
 709                         if (procmime_mimeinfo_parent(mimeinfo) == NULL)
 710                                 textview_show_tags(textview);
 711                         textview_show_header(textview, headers);
 712                         procheader_header_array_destroy(headers);
 713                 }
 714                 claws_fclose(fp);
 715                 END_TIMING();
 716                 return;
 717         }
 718
 719         name = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
 720         content_type = procmime_get_content_type_str(mimeinfo->type,
 721                                                      mimeinfo->subtype);
 722         if (name == NULL)
 723                 name = procmime_mimeinfo_get_parameter(mimeinfo, "name");
 724         if (name != NULL)
 725                 g_snprintf(buf, sizeof(buf), _("[%s  %s (%d bytes)]"),
 726                            name, content_type, mimeinfo->length);
 727         else
 728                 g_snprintf(buf, sizeof(buf), _("[%s (%d bytes)]"),
 729                            content_type, mimeinfo->length);
 730
 731         g_free(content_type);
 732
 733         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
 734         || (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
 735             mimeinfo->type != MIMETYPE_TEXT)) {
 736                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 737                 TEXTVIEW_INSERT_LINK(buf, "sc://select_attachment", mimeinfo);
 738                 gtk_text_buffer_insert(buffer, &iter, " \n", -1);
 739                 if (mimeinfo->type == MIMETYPE_IMAGE  &&
 740                     prefs_common.inline_img ) {
 741                         GdkPixbuf *pixbuf;
 742                         GError *error = NULL;
 743                         gchar *filename;
 744                         ClickableText *uri;
 745                         gchar *uri_str;
 746                         gint err;
 747                         START_TIMING("inserting image");
 748
 749                         filename = procmime_get_tmp_file_name(mimeinfo);
 750
 751                         if ((err = procmime_get_part(filename, mimeinfo)) < 0) {
 752                                 g_warning("Can't get the image file.(%s)", g_strerror(-err));
 753                                 g_free(filename);
 754                                 END_TIMING();
 755                                 return;
 756                         }
 757
 758                         pixbuf = gdk_pixbuf_new_from_file(filename, &error);
 759                         if (textview->stop_loading) {
 760                                 return;
 761                         }
 762                         if (error != NULL) {
 763                                 g_warning("%s", error->message);
 764                                 g_error_free(error);
 765                         }
 766                         if (!pixbuf) {
 767                                 g_warning("Can't load the image.");
 768                                 g_free(filename);
 769                                 END_TIMING();
 770                                 return;
 771                         }
 772
 773                         gtk_widget_get_allocation(textview->scrolledwin, &allocation);
 774                         pixbuf = claws_load_pixbuf_fitting(pixbuf,
 775                                         allocation.width,
 776                                         allocation.height);
 777
 778                         if (textview->stop_loading) {
 779                                 return;
 780                         }
 781
 782                         uri_str = g_filename_to_uri(filename, NULL, NULL);
 783                         if (uri_str) {
 784                                 uri = g_new0(ClickableText, 1);
 785                                 uri->uri = uri_str;
 786                                 uri->start = gtk_text_iter_get_offset(&iter);
 787
 788                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 789                                 if (textview->stop_loading) {
 790                                         g_free(uri);
 791                                         return;
 792                                 }
 793                                 uri->end = uri->start + 1;
 794                                 uri->filename = procmime_get_part_file_name(mimeinfo);
 795                                 textview->uri_list =
 796                                         g_slist_prepend(textview->uri_list, uri);
 797
 798                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 799                                 gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, uri->start);
 800                                 gtk_text_buffer_apply_tag_by_name(buffer, "link",
 801                                                 &start_iter, &iter);
 802                         } else {
 803                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 804                                 if (textview->stop_loading) {
 805                                         return;
 806                                 }
 807                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 808                         }
 809
 810                         g_object_unref(pixbuf);
 811                         g_free(filename);
 812                         END_TIMING();
 813                         GTK_EVENTS_FLUSH();
 814                 }
 815         } else if (mimeinfo->type == MIMETYPE_TEXT) {
 816                 if (prefs_common.display_header && (charcount > 0))
 817                         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 818
 819                 if (!gtk_text_buffer_get_mark(buffer, "body_start")) {
 820                         gtk_text_buffer_get_end_iter(buffer, &iter);
 821                         gtk_text_buffer_create_mark(buffer, "body_start", &iter, TRUE);
 822                 }
 823
 824                 textview_write_body(textview, mimeinfo);
 825
 826                 if (!gtk_text_buffer_get_mark(buffer, "body_end")) {
 827                         gtk_text_buffer_get_end_iter(buffer, &iter);
 828                         gtk_text_buffer_create_mark(buffer, "body_end", &iter, TRUE);
 829                 }
 830         }
 831         END_TIMING();
 832 }
 833
 834 static void recursive_add_parts(TextView *textview, GNode *node)
 835 {
 836         GNode * iter;
 837         MimeInfo *mimeinfo;
 838         START_TIMING("");
 839
 840         mimeinfo = (MimeInfo *) node->data;
 841
 842         textview_add_part(textview, mimeinfo);
 843 #ifdef GENERIC_UMPC
 844         textview_set_position(textview, 0);
 845 #endif
 846         if ((mimeinfo->type != MIMETYPE_MULTIPART) &&
 847             (mimeinfo->type != MIMETYPE_MESSAGE)) {
 848                 END_TIMING();
 849                 return;
 850         }
 851         if (g_ascii_strcasecmp(mimeinfo->subtype, "alternative") == 0) {
 852                 GNode * preferred_body;
 853                 int preferred_score;
 854
 855                 /*
 856                   text/plain : score 3
 857                   text/ *    : score 2
 858                   other      : score 1
 859                 */
 860                 preferred_body = NULL;
 861                 preferred_score = 0;
 862
 863                 for (iter = g_node_first_child(node) ; iter != NULL ;
 864                      iter = g_node_next_sibling(iter)) {
 865                         int score;
 866                         MimeInfo * submime;
 867
 868                         score = 1;
 869                         submime = (MimeInfo *) iter->data;
 870                         if (submime->type == MIMETYPE_TEXT)
 871                                 score = 2;
 872
 873                         if (submime->subtype != NULL) {
 874                                 if (g_ascii_strcasecmp(submime->subtype, "plain") == 0)
 875                                         score = 3;
 876                         }
 877
 878                         if (score > preferred_score) {
 879                                 preferred_score = score;
 880                                 preferred_body = iter;
 881                         }
 882                 }
 883
 884                 if (preferred_body != NULL) {
 885                         recursive_add_parts(textview, preferred_body);
 886                 }
 887         }
 888         else {
 889                 for (iter = g_node_first_child(node) ; iter != NULL ;
 890                      iter = g_node_next_sibling(iter)) {
 891                         recursive_add_parts(textview, iter);
 892                 }
 893         }
 894         END_TIMING();
 895 }
 896
 897 static void textview_add_parts(TextView *textview, MimeInfo *mimeinfo)
 898 {
 899         cm_return_if_fail(mimeinfo != NULL);
 900         cm_return_if_fail(mimeinfo->node != NULL);
 901
 902         recursive_add_parts(textview, mimeinfo->node);
 903 }
 904
 905 void textview_show_error(TextView *textview)
 906 {
 907         GtkTextView *text;
 908         GtkTextBuffer *buffer;
 909         GtkTextIter iter;
 910
 911         textview_set_font(textview, NULL);
 912         textview_clear(textview);
 913
 914         text = GTK_TEXT_VIEW(textview->text);
 915         buffer = gtk_text_view_get_buffer(text);
 916         gtk_text_buffer_get_start_iter(buffer, &iter);
 917
 918         TEXTVIEW_INSERT(_("\n"
 919                       "  This message can't be displayed.\n"
 920                       "  This is probably due to a network error.\n"
 921                       "\n"
 922                       "  Use "));
 923         TEXTVIEW_INSERT_LINK(_("'Network Log'"), "sc://view_log", NULL);
 924         TEXTVIEW_INSERT(_(" in the Tools menu for more information."));
 925         textview_show_icon(textview, GTK_STOCK_DIALOG_ERROR);
 926 }
 927
 928 void textview_show_info(TextView *textview, const gchar *info_str)
 929 {
 930         GtkTextView *text;
 931         GtkTextBuffer *buffer;
 932         GtkTextIter iter;
 933
 934         textview_set_font(textview, NULL);
 935         textview_clear(textview);
 936
 937         text = GTK_TEXT_VIEW(textview->text);
 938         buffer = gtk_text_view_get_buffer(text);
 939         gtk_text_buffer_get_start_iter(buffer, &iter);
 940
 941         TEXTVIEW_INSERT(info_str);
 942         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
 943         textview_cursor_normal(textview);
 944 }
 945
 946 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
 947 {
 948         GtkTextView *text;
 949         GtkTextBuffer *buffer;
 950         GtkTextIter iter;
 951         const gchar *name;
 952         gchar *content_type;
 953         GtkUIManager *ui_manager;
 954 #ifndef GENERIC_UMPC
 955         gchar *shortcut;
 956 #endif
 957
 958         if (!partinfo) return;
 959
 960         if (textview->messageview->window != NULL)
 961                 ui_manager = textview->messageview->ui_manager;
 962         else
 963                 ui_manager = textview->messageview->mainwin->ui_manager;
 964
 965         textview_set_font(textview, NULL);
 966         textview_clear(textview);
 967
 968         text = GTK_TEXT_VIEW(textview->text);
 969         buffer = gtk_text_view_get_buffer(text);
 970         gtk_text_buffer_get_start_iter(buffer, &iter);
 971
 972         TEXTVIEW_INSERT("\n");
 973
 974         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 975         if (name == NULL)
 976                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 977         if (name != NULL) {
 978                 content_type = procmime_get_content_type_str(partinfo->type,
 979                                                      partinfo->subtype);
 980                 TEXTVIEW_INSERT("  ");
 981                 TEXTVIEW_INSERT_BOLD(name);
 982                 TEXTVIEW_INSERT(" (");
 983                 TEXTVIEW_INSERT(content_type);
 984                 TEXTVIEW_INSERT(", ");
 985                 TEXTVIEW_INSERT(to_human_readable((goffset)partinfo->length));
 986                 TEXTVIEW_INSERT("):\n\n");
 987
 988                 g_free(content_type);
 989         }
 990         TEXTVIEW_INSERT(_("  The following can be performed on this part\n"));
 991 #ifndef GENERIC_UMPC
 992         TEXTVIEW_INSERT(_("  by right-clicking the icon or list item:"));
 993 #endif
 994         TEXTVIEW_INSERT("\n");
 995
 996         TEXTVIEW_INSERT(_("     - To save, select "));
 997         TEXTVIEW_INSERT_LINK(_("'Save as...'"), "sc://save_as", NULL);
 998 #ifndef GENERIC_UMPC
 999         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
1000         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/File/SavePartAs");
1001         TEXTVIEW_INSERT(shortcut);
1002         g_free(shortcut);
1003         TEXTVIEW_INSERT("')");
1004 #endif
1005         TEXTVIEW_INSERT("\n");
1006
1007         TEXTVIEW_INSERT(_("     - To display as text, select "));
1008         TEXTVIEW_INSERT_LINK(_("'Display as text'"), "sc://display_as_text", NULL);
1009
1010 #ifndef GENERIC_UMPC
1011         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
1012         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/AsText");
1013         TEXTVIEW_INSERT(shortcut);
1014         g_free(shortcut);
1015         TEXTVIEW_INSERT("')");
1016 #endif
1017         TEXTVIEW_INSERT("\n");
1018
1019         TEXTVIEW_INSERT(_("     - To open with an external program, select "));
1020         TEXTVIEW_INSERT_LINK(_("'Open'"), "sc://open", NULL);
1021
1022 #ifndef GENERIC_UMPC
1023         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
1024         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/Open");
1025         TEXTVIEW_INSERT(shortcut);
1026         g_free(shortcut);
1027         TEXTVIEW_INSERT("')\n");
1028         TEXTVIEW_INSERT(_("       (alternately double-click, or click the middle "));
1029         TEXTVIEW_INSERT(_("mouse button)\n"));
1030 #ifndef G_OS_WIN32
1031         TEXTVIEW_INSERT(_("     - Or use "));
1032         TEXTVIEW_INSERT_LINK(_("'Open with...'"), "sc://open_with", NULL);
1033         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
1034         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/OpenWith");
1035         TEXTVIEW_INSERT(shortcut);
1036         g_free(shortcut);
1037         TEXTVIEW_INSERT("')");
1038 #endif
1039 #endif
1040         TEXTVIEW_INSERT("\n");
1041
1042         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
1043 }
1044
1045 static void textview_write_body(TextView *textview, MimeInfo *mimeinfo)
1046 {
1047         FILE *tmpfp;
1048         gchar buf[BUFFSIZE];
1049         CodeConverter *conv;
1050         const gchar *charset;
1051 #ifndef G_OS_WIN32
1052         const gchar *p, *cmd;
1053 #endif
1054         GSList *cur;
1055         gboolean continue_write = TRUE;
1056         size_t wrote = 0, i = 0;
1057
1058         if (textview->messageview->forced_charset)
1059                 charset = textview->messageview->forced_charset;
1060         else {
1061                 /* use supersets transparently when possible */
1062                 charset = procmime_mimeinfo_get_parameter(mimeinfo, "charset");
1063                 if (charset && !strcasecmp(charset, CS_ISO_8859_1))
1064                         charset = CS_WINDOWS_1252;
1065                 else if (charset && !strcasecmp(charset, CS_X_GBK))
1066                         charset = CS_GB18030;
1067                 else if (charset && !strcasecmp(charset, CS_GBK))
1068                         charset = CS_GB18030;
1069                 else if (charset && !strcasecmp(charset, CS_GB2312))
1070                         charset = CS_GB18030;
1071         }
1072
1073         textview_set_font(textview, charset);
1074
1075         conv = conv_code_converter_new(charset);
1076
1077         procmime_force_encoding(textview->messageview->forced_encoding);
1078
1079         textview->is_in_signature = FALSE;
1080         textview->is_diff = FALSE;
1081         textview->is_attachment = FALSE;;
1082
1083         procmime_decode_content(mimeinfo);
1084
1085         account_signatures_matchlist_create();
1086
1087         if (!g_ascii_strcasecmp(mimeinfo->subtype, "html") &&
1088             prefs_common.render_html) {
1089                 gchar *filename;
1090
1091                 filename = procmime_get_tmp_file_name(mimeinfo);
1092                 if (procmime_get_part(filename, mimeinfo) == 0) {
1093                         tmpfp = claws_fopen(filename, "rb");
1094                         if (tmpfp) {
1095                                 textview_show_html(textview, tmpfp, conv);
1096                                 claws_fclose(tmpfp);
1097                         }
1098                         claws_unlink(filename);
1099                 }
1100                 g_free(filename);
1101         } else if (!g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
1102                 gchar *filename;
1103
1104                 filename = procmime_get_tmp_file_name(mimeinfo);
1105                 if (procmime_get_part(filename, mimeinfo) == 0) {
1106                         tmpfp = claws_fopen(filename, "rb");
1107                         if (tmpfp) {
1108                                 textview_show_ertf(textview, tmpfp, conv);
1109                                 claws_fclose(tmpfp);
1110                         }
1111                         claws_unlink(filename);
1112                 }
1113                 g_free(filename);
1114 #ifndef G_OS_WIN32
1115         } else if ( g_ascii_strcasecmp(mimeinfo->subtype, "plain") &&
1116                    (cmd = prefs_common.mime_textviewer) && *cmd &&
1117                    (p = strchr(cmd, '%')) && *(p + 1) == 's') {
1118                 int pid, pfd[2];
1119                 const gchar *fname;
1120
1121                 fname  = procmime_get_tmp_file_name(mimeinfo);
1122                 if (procmime_get_part(fname, mimeinfo)) goto textview_default;
1123
1124                 g_snprintf(buf, sizeof(buf), cmd, fname);
1125                 debug_print("Viewing text content of type: %s (length: %d) "
1126                         "using %s\n", mimeinfo->subtype, mimeinfo->length, buf);
1127
1128                 if (pipe(pfd) < 0) {
1129                         g_snprintf(buf, sizeof(buf),
1130                                 "pipe failed for textview\n\n%s\n", g_strerror(errno));
1131                         textview_write_line(textview, buf, conv, TRUE);
1132                         goto textview_default;
1133                 }
1134                 pid = fork();
1135                 if (pid < 0) {
1136                         g_snprintf(buf, sizeof(buf),
1137                                 "fork failed for textview\n\n%s\n", g_strerror(errno));
1138                         textview_write_line(textview, buf, conv, TRUE);
1139                         close(pfd[0]);
1140                         close(pfd[1]);
1141                         goto textview_default;
1142                 }
1143                 if (pid == 0) { /* child */
1144                         int rc;
1145                         gchar **argv;
1146                         argv = strsplit_with_quote(buf, " ", 0);
1147                         close(1);
1148                         close(pfd[0]);
1149                         rc = dup(pfd[1]);
1150                         rc = execvp(argv[0], argv);
1151                         perror("execvp");
1152                         close(pfd[1]);
1153                         g_print(_("The command to view attachment "
1154                                 "as text failed:\n"
1155                                 "    %s\n"
1156                                 "Exit code %d\n"), buf, rc);
1157                         exit(255);
1158                 }
1159                 close(pfd[1]);
1160                 tmpfp = claws_fdopen(pfd[0], "rb");
1161                 while (claws_fgets(buf, sizeof(buf), tmpfp)) {
1162                         textview_write_line(textview, buf, conv, TRUE);
1163
1164                         if (textview->stop_loading) {
1165                                 claws_fclose(tmpfp);
1166                                 waitpid(pid, pfd, 0);
1167                                 g_unlink(fname);
1168                                 account_signatures_matchlist_delete();
1169                                 return;
1170                         }
1171                 }
1172
1173                 claws_fclose(tmpfp);
1174                 waitpid(pid, pfd, 0);
1175                 g_unlink(fname);
1176 #endif
1177         } else {
1178 #ifndef G_OS_WIN32
1179 textview_default:
1180 #endif
1181                 if (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
1182                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff"))
1183                         textview->is_diff = TRUE;
1184
1185                 /* Displayed part is an attachment, but not an attached
1186                  * e-mail. Set a flag, so that elsewhere in the code we
1187                  * know not to try making collapsible quotes in it. */
1188                 if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT &&
1189                                 mimeinfo->type != MIMETYPE_MESSAGE)
1190                         textview->is_attachment = TRUE;
1191
1192                 if (mimeinfo->content == MIMECONTENT_MEM)
1193                         tmpfp = str_open_as_stream(mimeinfo->data.mem);
1194                 else
1195                         tmpfp = claws_fopen(mimeinfo->data.filename, "rb");
1196                 if (!tmpfp) {
1197                         FILE_OP_ERROR(mimeinfo->data.filename, "claws_fopen");
1198                         account_signatures_matchlist_delete();
1199                         return;
1200                 }
1201                 if (fseek(tmpfp, mimeinfo->offset, SEEK_SET) < 0) {
1202                         FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
1203                         claws_fclose(tmpfp);
1204                         account_signatures_matchlist_delete();
1205                         return;
1206                 }
1207                 debug_print("Viewing text content of type: %s (length: %d)\n", mimeinfo->subtype, mimeinfo->length);
1208                 while (((i = ftell(tmpfp)) < mimeinfo->offset + mimeinfo->length) &&
1209                        (claws_fgets(buf, sizeof(buf), tmpfp) != NULL)
1210                        && continue_write) {
1211                         textview_write_line(textview, buf, conv, TRUE);
1212                         if (textview->stop_loading) {
1213                                 claws_fclose(tmpfp);
1214                                 account_signatures_matchlist_delete();
1215                                 return;
1216                         }
1217                         wrote += ftell(tmpfp)-i;
1218                         if (mimeinfo->length > 1024*1024
1219                         &&  wrote > 1024*1024
1220                         && !textview->messageview->show_full_text) {
1221                                 continue_write = FALSE;
1222                         }
1223                 }
1224                 claws_fclose(tmpfp);
1225         }
1226
1227         account_signatures_matchlist_delete();
1228
1229         conv_code_converter_destroy(conv);
1230         procmime_force_encoding(0);
1231
1232         textview->uri_list = g_slist_reverse(textview->uri_list);
1233         for (cur = textview->uri_list; cur; cur = cur->next) {
1234                 ClickableText *uri = (ClickableText *)cur->data;
1235                 if (!uri->is_quote)
1236                         continue;
1237                 if (!prefs_common.hide_quotes ||
1238                     uri->quote_level+1 < prefs_common.hide_quotes) {
1239                         textview_toggle_quote(textview, cur, uri, TRUE);
1240                         if (textview->stop_loading) {
1241                                 return;
1242                         }
1243                 }
1244         }
1245
1246         if (continue_write == FALSE) {
1247                 messageview_show_partial_display(
1248                         textview->messageview,
1249                         textview->messageview->msginfo,
1250                         mimeinfo->length);
1251         }
1252         GTK_EVENTS_FLUSH();
1253 }
1254
1255 static void textview_show_html(TextView *textview, FILE *fp,
1256                                CodeConverter *conv)
1257 {
1258         SC_HTMLParser *parser;
1259         gchar *str;
1260         gint lines = 0;
1261
1262         parser = sc_html_parser_new(fp, conv);
1263         cm_return_if_fail(parser != NULL);
1264
1265         account_signatures_matchlist_create();
1266
1267         while ((str = sc_html_parse(parser)) != NULL) {
1268                 if (parser->state == SC_HTML_HREF) {
1269                         /* first time : get and copy the URL */
1270                         if (parser->href == NULL) {
1271                                 /* ALF - the claws html parser returns an empty string,
1272                                  * if still inside an <a>, but already parsed past HREF */
1273                                 str = strtok(str, " ");
1274                                 if (str) {
1275                                         while (str && *str && g_ascii_isspace(*str))
1276                                                 str++;
1277                                         parser->href = g_strdup(str);
1278                                         /* the URL may (or not) be followed by the
1279                                          * referenced text */
1280                                         str = strtok(NULL, "");
1281                                 }
1282                         }
1283                         if (str != NULL)
1284                                 textview_write_link(textview, str, parser->href, NULL);
1285                 } else
1286                         textview_write_line(textview, str, NULL, FALSE);
1287                 lines++;
1288                 if (lines % 500 == 0)
1289                         GTK_EVENTS_FLUSH();
1290                 if (textview->stop_loading) {
1291                         account_signatures_matchlist_delete();
1292                         return;
1293                 }
1294         }
1295         textview_write_line(textview, "\n", NULL, FALSE);
1296
1297         account_signatures_matchlist_delete();
1298
1299         sc_html_parser_destroy(parser);
1300 }
1301
1302 static void textview_show_ertf(TextView *textview, FILE *fp,
1303                                CodeConverter *conv)
1304 {
1305         ERTFParser *parser;
1306         gchar *str;
1307         gint lines = 0;
1308
1309         parser = ertf_parser_new(fp, conv);
1310         cm_return_if_fail(parser != NULL);
1311
1312         account_signatures_matchlist_create();
1313
1314         while ((str = ertf_parse(parser)) != NULL) {
1315                 textview_write_line(textview, str, NULL, FALSE);
1316                 lines++;
1317                 if (lines % 500 == 0)
1318                         GTK_EVENTS_FLUSH();
1319                 if (textview->stop_loading) {
1320                         account_signatures_matchlist_delete();
1321                         return;
1322                 }
1323         }
1324
1325         account_signatures_matchlist_delete();
1326
1327         ertf_parser_destroy(parser);
1328 }
1329
1330 #define ADD_TXT_POS(bp_, ep_, pti_) \
1331         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1332                 last = last->next; \
1333                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1334                 last->next = NULL; \
1335         } else { \
1336                 g_warning("alloc error scanning URIs"); \
1337                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, \
1338                                                          linebuf, -1, \
1339                                                          fg_tag, NULL); \
1340                 return; \
1341         }
1342
1343 #define ADD_TXT_POS_LATER(bp_, ep_, pti_) \
1344         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1345                 last = last->next; \
1346                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1347                 last->next = NULL; \
1348         } else { \
1349                 g_warning("alloc error scanning URIs"); \
1350         }
1351
1352 /* textview_make_clickable_parts() - colorizes clickable parts */
1353 static void textview_make_clickable_parts(TextView *textview,
1354                                           const gchar *fg_tag,
1355                                           const gchar *uri_tag,
1356                                           const gchar *linebuf,
1357                                           gboolean hdr)
1358 {
1359         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1360         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1361         GtkTextIter iter;
1362         gchar *mybuf = g_strdup(linebuf);
1363
1364         /* parse table - in order of priority */
1365         struct table {
1366                 const gchar *needle; /* token */
1367
1368                 /* token search function */
1369                 gchar    *(*search)     (const gchar *haystack,
1370                                          const gchar *needle);
1371                 /* part parsing function */
1372                 gboolean  (*parse)      (const gchar *start,
1373                                          const gchar *scanpos,
1374                                          const gchar **bp_,
1375                                          const gchar **ep_,
1376                                          gboolean hdr);
1377                 /* part to URI function */
1378                 gchar    *(*build_uri)  (const gchar *bp,
1379                                          const gchar *ep);
1380         };
1381
1382         static struct table parser[] = {
1383                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1384                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1385                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1386                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1387                 {"gopher://",strcasestr, get_uri_part,   make_uri_string},
1388                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1389                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1390                 {"@",        strcasestr, get_email_part, make_email_string}
1391         };
1392         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1393
1394         gint  n;
1395         const gchar *walk, *bp, *ep;
1396
1397         struct txtpos {
1398                 const gchar     *bp, *ep;       /* text position */
1399                 gint             pti;           /* index in parse table */
1400                 struct txtpos   *next;          /* next */
1401         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1402
1403         if (!g_utf8_validate(linebuf, -1, NULL)) {
1404                 g_free(mybuf);
1405                 mybuf = g_malloc(strlen(linebuf)*2 +1);
1406                 conv_localetodisp(mybuf, strlen(linebuf)*2 +1, linebuf);
1407         }
1408
1409         gtk_text_buffer_get_end_iter(buffer, &iter);
1410
1411         /* parse for clickable parts, and build a list of begin and end positions  */
1412         for (walk = mybuf;;) {
1413                 gint last_index = PARSE_ELEMS;
1414                 gchar *scanpos = NULL;
1415
1416                 /* FIXME: this looks phony. scanning for anything in the parse table */
1417                 for (n = 0; n < PARSE_ELEMS; n++) {
1418                         gchar *tmp;
1419
1420                         tmp = parser[n].search(walk, parser[n].needle);
1421                         if (tmp) {
1422                                 if (scanpos == NULL || tmp < scanpos) {
1423                                         scanpos = tmp;
1424                                         last_index = n;
1425                                 }
1426                         }
1427                 }
1428
1429                 if (scanpos) {
1430                         /* check if URI can be parsed */
1431                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, hdr)
1432                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1433                                         ADD_TXT_POS(bp, ep, last_index);
1434                                         walk = ep;
1435                         } else
1436                                 walk = scanpos +
1437                                         strlen(parser[last_index].needle);
1438                 } else
1439                         break;
1440         }
1441
1442         /* colorize this line */
1443         if (head.next) {
1444                 const gchar *normal_text = mybuf;
1445
1446                 /* insert URIs */
1447                 for (last = head.next; last != NULL;
1448                      normal_text = last->ep, last = last->next) {
1449                         ClickableText *uri;
1450                         uri = g_new0(ClickableText, 1);
1451                         if (last->bp - normal_text > 0)
1452                                 gtk_text_buffer_insert_with_tags_by_name
1453                                         (buffer, &iter,
1454                                          normal_text,
1455                                          last->bp - normal_text,
1456                                          fg_tag, NULL);
1457                         uri->uri = parser[last->pti].build_uri(last->bp,
1458                                                                last->ep);
1459                         uri->start = gtk_text_iter_get_offset(&iter);
1460                         gtk_text_buffer_insert_with_tags_by_name
1461                                 (buffer, &iter, last->bp, last->ep - last->bp,
1462                                  uri_tag, fg_tag, NULL);
1463                         uri->end = gtk_text_iter_get_offset(&iter);
1464                         uri->filename = NULL;
1465                         textview->uri_list =
1466                                 g_slist_prepend(textview->uri_list, uri);
1467                 }
1468
1469                 if (*normal_text)
1470                         gtk_text_buffer_insert_with_tags_by_name
1471                                 (buffer, &iter, normal_text, -1, fg_tag, NULL);
1472         } else {
1473                 gtk_text_buffer_insert_with_tags_by_name
1474                         (buffer, &iter, mybuf, -1, fg_tag, NULL);
1475         }
1476         g_free(mybuf);
1477 }
1478
1479 /* textview_make_clickable_parts() - colorizes clickable parts */
1480 static void textview_make_clickable_parts_later(TextView *textview,
1481                                           gint start, gint end)
1482 {
1483         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1484         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1485         GtkTextIter start_iter, end_iter;
1486         gchar *mybuf;
1487         gint offset = 0;
1488         /* parse table - in order of priority */
1489         struct table {
1490                 const gchar *needle; /* token */
1491
1492                 /* token search function */
1493                 gchar    *(*search)     (const gchar *haystack,
1494                                          const gchar *needle);
1495                 /* part parsing function */
1496                 gboolean  (*parse)      (const gchar *start,
1497                                          const gchar *scanpos,
1498                                          const gchar **bp_,
1499                                          const gchar **ep_,
1500                                          gboolean hdr);
1501                 /* part to URI function */
1502                 gchar    *(*build_uri)  (const gchar *bp,
1503                                          const gchar *ep);
1504         };
1505
1506         static struct table parser[] = {
1507                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1508                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1509                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1510                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1511                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1512                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1513                 {"@",        strcasestr, get_email_part, make_email_string}
1514         };
1515         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1516
1517         gint  n;
1518         const gchar *walk, *bp, *ep;
1519
1520         struct txtpos {
1521                 const gchar     *bp, *ep;       /* text position */
1522                 gint             pti;           /* index in parse table */
1523                 struct txtpos   *next;          /* next */
1524         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1525
1526         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start);
1527         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end);
1528         mybuf = gtk_text_buffer_get_text(buffer, &start_iter, &end_iter, FALSE);
1529         offset = gtk_text_iter_get_offset(&start_iter);
1530
1531         /* parse for clickable parts, and build a list of begin and end positions  */
1532         for (walk = mybuf;;) {
1533                 gint last_index = PARSE_ELEMS;
1534                 gchar *scanpos = NULL;
1535
1536                 /* FIXME: this looks phony. scanning for anything in the parse table */
1537                 for (n = 0; n < PARSE_ELEMS; n++) {
1538                         gchar *tmp;
1539
1540                         tmp = parser[n].search(walk, parser[n].needle);
1541                         if (tmp) {
1542                                 if (scanpos == NULL || tmp < scanpos) {
1543                                         scanpos = tmp;
1544                                         last_index = n;
1545                                 }
1546                         }
1547                 }
1548
1549                 if (scanpos) {
1550                         /* check if URI can be parsed */
1551                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, FALSE)
1552                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1553                                         ADD_TXT_POS_LATER(bp, ep, last_index);
1554                                         walk = ep;
1555                         } else
1556                                 walk = scanpos +
1557                                         strlen(parser[last_index].needle);
1558                 } else
1559                         break;
1560         }
1561
1562         /* colorize this line */
1563         if (head.next) {
1564                 /* insert URIs */
1565                 for (last = head.next; last != NULL; last = last->next) {
1566                         ClickableText *uri;
1567                         gint start_offset, end_offset;
1568                         gchar *tmp_str;
1569                         gchar old_char;
1570                         uri = g_new0(ClickableText, 1);
1571                         uri->uri = parser[last->pti].build_uri(last->bp,
1572                                                                last->ep);
1573
1574                         tmp_str = mybuf;
1575                         old_char = tmp_str[last->ep - mybuf];
1576                         tmp_str[last->ep - mybuf] = '\0';
1577                         end_offset = g_utf8_strlen(tmp_str, -1);
1578                         tmp_str[last->ep - mybuf] = old_char;
1579
1580                         old_char = tmp_str[last->bp - mybuf];
1581                         tmp_str[last->bp - mybuf] = '\0';
1582                         start_offset = g_utf8_strlen(tmp_str, -1);
1583                         tmp_str[last->bp - mybuf] = old_char;
1584
1585                         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start_offset + offset);
1586                         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end_offset + offset);
1587
1588                         uri->start = gtk_text_iter_get_offset(&start_iter);
1589
1590                         gtk_text_buffer_apply_tag_by_name(buffer, "link", &start_iter, &end_iter);
1591
1592                         uri->end = gtk_text_iter_get_offset(&end_iter);
1593                         uri->filename = NULL;
1594                         textview->uri_list =
1595                                 g_slist_prepend(textview->uri_list, uri);
1596                 }
1597         }
1598
1599         g_free(mybuf);
1600 }
1601
1602 #undef ADD_TXT_POS
1603
1604 static void textview_write_line(TextView *textview, const gchar *str,
1605                                 CodeConverter *conv, gboolean do_quote_folding)
1606 {
1607         GtkTextView *text;
1608         GtkTextBuffer *buffer;
1609         GtkTextIter iter;
1610         gchar buf[BUFFSIZE];
1611         gchar *fg_color;
1612         gint quotelevel = -1, real_quotelevel = -1;
1613         gchar quote_tag_str[10];
1614
1615         text = GTK_TEXT_VIEW(textview->text);
1616         buffer = gtk_text_view_get_buffer(text);
1617         gtk_text_buffer_get_end_iter(buffer, &iter);
1618
1619         if (!conv)
1620                 strncpy2(buf, str, sizeof(buf));
1621         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1622                 conv_localetodisp(buf, sizeof(buf), str);
1623
1624         strcrchomp(buf);
1625         fg_color = NULL;
1626
1627         /* change color of quotation
1628            >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
1629            Up to 3 levels of quotations are detected, and each
1630            level is colored using a different color. */
1631         if (prefs_common.enable_color
1632             && !textview->is_attachment
1633             && line_has_quote_char(buf, prefs_common.quote_chars)) {
1634                 real_quotelevel = get_quote_level(buf, prefs_common.quote_chars);
1635                 quotelevel = real_quotelevel;
1636                 /* set up the correct foreground color */
1637                 if (quotelevel > 2) {
1638                         /* recycle colors */
1639                         if (prefs_common.recycle_quote_colors)
1640                                 quotelevel %= 3;
1641                         else
1642                                 quotelevel = 2;
1643                 }
1644         }
1645
1646         if (quotelevel == -1)
1647                 fg_color = NULL;
1648         else {
1649                 g_snprintf(quote_tag_str, sizeof(quote_tag_str),
1650                            "quote%d", quotelevel);
1651                 fg_color = quote_tag_str;
1652         }
1653
1654         if (prefs_common.enable_color) {
1655                 if (textview->is_diff) {
1656                         if (strncmp(buf, "+++ ", 4) == 0)
1657                                 fg_color = "diff-add-file";
1658                         else if (buf[0] == '+')
1659                                 fg_color = "diff-add";
1660                         else if (strncmp(buf, "--- ", 4) == 0)
1661                                 fg_color = "diff-del-file";
1662                         else if (buf[0] == '-')
1663                                 fg_color = "diff-del";
1664                         else if (strncmp(buf, "@@ ", 3) == 0 &&
1665                                         strcmp(buf+strlen(buf)-4, " @@\n") == 0)
1666                                 fg_color = "diff-hunk";
1667                 } else if (account_signatures_matchlist_str_found(buf,"%s\n")
1668                                 || account_signatures_matchlist_str_found(buf, "- %s\n")
1669                                 || textview->is_in_signature) {
1670                         fg_color = "signature";
1671                         textview->is_in_signature = TRUE;
1672                 }
1673         }
1674
1675         if (!textview->is_attachment && real_quotelevel > -1 && do_quote_folding) {
1676                 if (!g_utf8_validate(buf, -1, NULL)) {
1677                         gchar *utf8buf = NULL;
1678                         utf8buf = g_malloc(BUFFSIZE);
1679                         conv_localetodisp(utf8buf, BUFFSIZE, buf);
1680                         strncpy2(buf, utf8buf, BUFFSIZE-1);
1681                         g_free(utf8buf);
1682                 }
1683 do_quote:
1684                 if ( textview->prev_quote_level != real_quotelevel ) {
1685                         ClickableText *uri;
1686                         uri = g_new0(ClickableText, 1);
1687                         uri->uri = g_strdup("");
1688                         uri->data = g_strdup(buf);
1689                         uri->data_len = strlen(uri->data);
1690                         uri->start = gtk_text_iter_get_offset(&iter);
1691                         uri->is_quote = TRUE;
1692                         uri->quote_level = real_quotelevel;
1693                         uri->fg_color = g_strdup(fg_color);
1694
1695                         gtk_text_buffer_insert_with_tags_by_name
1696                                         (buffer, &iter, " [...]", -1,
1697                                          "qlink", fg_color, NULL);
1698                         uri->end = gtk_text_iter_get_offset(&iter);
1699                         gtk_text_buffer_insert(buffer, &iter, "  \n", -1);
1700
1701                         uri->filename = NULL;
1702                         textview->uri_list =
1703                                 g_slist_prepend(textview->uri_list, uri);
1704
1705                         textview->prev_quote_level = real_quotelevel;
1706                 } else {
1707                         GSList *last = textview->uri_list;
1708                         ClickableText *lasturi = NULL;
1709                         gint e_len = 0, n_len = 0;
1710
1711                         if (textview->uri_list) {
1712                                 lasturi = (ClickableText *)last->data;
1713                         } else {
1714                                 g_print("oops (%d %d)\n",
1715                                         real_quotelevel, textview->prev_quote_level);
1716                         }
1717                         if (lasturi) {
1718                                 if (lasturi->is_quote == FALSE) {
1719                                         textview->prev_quote_level = -1;
1720                                         goto do_quote;
1721                                 }
1722                                 e_len = lasturi->data ? lasturi->data_len:0;
1723                                 n_len = strlen(buf);
1724                                 lasturi->data = g_realloc((gchar *)lasturi->data, e_len + n_len + 1);
1725                                 strcpy((gchar *)lasturi->data + e_len, buf);
1726                                 *((gchar *)lasturi->data + e_len + n_len) = '\0';
1727                                 lasturi->data_len += n_len;
1728                         }
1729                 }
1730         } else {
1731                 textview_make_clickable_parts(textview, fg_color, "link", buf, FALSE);
1732                 textview->prev_quote_level = -1;
1733         }
1734 }
1735
1736 void textview_write_link(TextView *textview, const gchar *str,
1737                          const gchar *uri, CodeConverter *conv)
1738 {
1739         GtkTextView *text;
1740         GtkTextBuffer *buffer;
1741         GtkTextIter iter;
1742         gchar buf[BUFFSIZE];
1743         gchar *bufp;
1744         ClickableText *r_uri;
1745
1746         if (!str || *str == '\0')
1747                 return;
1748         if (!uri)
1749                 return;
1750
1751         while (uri && *uri && g_ascii_isspace(*uri))
1752                 uri++;
1753
1754         text = GTK_TEXT_VIEW(textview->text);
1755         buffer = gtk_text_view_get_buffer(text);
1756         gtk_text_buffer_get_end_iter(buffer, &iter);
1757
1758         if (!conv)
1759                 strncpy2(buf, str, sizeof(buf));
1760         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1761                 conv_utf8todisp(buf, sizeof(buf), str);
1762
1763         if (g_utf8_validate(buf, -1, NULL) == FALSE)
1764                 return;
1765
1766         strcrchomp(buf);
1767
1768         gtk_text_buffer_get_end_iter(buffer, &iter);
1769         for (bufp = buf; *bufp != '\0'; bufp = g_utf8_next_char(bufp)) {
1770                 gunichar ch;
1771
1772                 ch = g_utf8_get_char(bufp);
1773                 if (!g_unichar_isspace(ch))
1774                         break;
1775         }
1776         if (bufp > buf)
1777                 gtk_text_buffer_insert(buffer, &iter, buf, bufp - buf);
1778
1779         r_uri = g_new0(ClickableText, 1);
1780         r_uri->uri = g_strdup(uri);
1781         r_uri->start = gtk_text_iter_get_offset(&iter);
1782         gtk_text_buffer_insert_with_tags_by_name
1783                 (buffer, &iter, bufp, -1, "link", NULL);
1784         r_uri->end = gtk_text_iter_get_offset(&iter);
1785         r_uri->filename = NULL;
1786         textview->uri_list = g_slist_prepend(textview->uri_list, r_uri);
1787 }
1788
1789 static void textview_set_cursor(GdkWindow *window, GdkCursor *cursor)
1790 {
1791         if (GDK_IS_WINDOW(window))
1792                 gdk_window_set_cursor(window, cursor);
1793 }
1794 void textview_clear(TextView *textview)
1795 {
1796         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1797         GtkTextBuffer *buffer;
1798         GdkWindow *window = gtk_text_view_get_window(text,
1799                                 GTK_TEXT_WINDOW_TEXT);
1800
1801         buffer = gtk_text_view_get_buffer(text);
1802         gtk_text_buffer_set_text(buffer, "", -1);
1803         if (gtk_text_buffer_get_mark(buffer, "body_start"))
1804                 gtk_text_buffer_delete_mark_by_name(buffer, "body_start");
1805         if (gtk_text_buffer_get_mark(buffer, "body_end"))
1806                 gtk_text_buffer_delete_mark_by_name(buffer, "body_end");
1807
1808         TEXTVIEW_STATUSBAR_POP(textview);
1809         textview_uri_list_remove_all(textview->uri_list);
1810         textview->uri_list = NULL;
1811         textview->uri_hover = NULL;
1812         textview->prev_quote_level = -1;
1813
1814         textview->body_pos = 0;
1815         if (textview->image)
1816                 gtk_widget_destroy(textview->image);
1817         textview->image = NULL;
1818         textview->avatar_type = 0;
1819
1820         if (textview->messageview->mainwin->cursor_count == 0) {
1821                 textview_set_cursor(window, text_cursor);
1822         } else {
1823                 textview_set_cursor(window, watch_cursor);
1824         }
1825 }
1826
1827 void textview_destroy(TextView *textview)
1828 {
1829         GtkTextBuffer *buffer;
1830         GtkClipboard *clipboard;
1831
1832         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1833         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1834         gtk_text_buffer_remove_selection_clipboard(buffer, clipboard);
1835
1836         textview_uri_list_remove_all(textview->uri_list);
1837         textview->uri_list = NULL;
1838         textview->prev_quote_level = -1;
1839
1840         g_free(textview);
1841 }
1842
1843 #define CHANGE_TAG_FONT(tagname, font) { \
1844         tag = gtk_text_tag_table_lookup(tags, tagname); \
1845         if (tag) \
1846                 g_object_set(G_OBJECT(tag), "font-desc", font, NULL); \
1847 }
1848
1849 void textview_set_font(TextView *textview, const gchar *codeset)
1850 {
1851         GtkTextTag *tag;
1852         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1853         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
1854         PangoFontDescription *font_desc, *bold_font_desc;
1855
1856         font_desc = pango_font_description_from_string
1857                                         (NORMAL_FONT);
1858         if (font_desc) {
1859                 gtk_widget_modify_font(textview->text, font_desc);
1860                 CHANGE_TAG_FONT("header", font_desc);
1861                 CHANGE_TAG_FONT("hlink", font_desc);
1862                 pango_font_description_free(font_desc);
1863         }
1864         if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
1865                 bold_font_desc = pango_font_description_from_string
1866                                                 (NORMAL_FONT);
1867                 if (bold_font_desc)
1868                         pango_font_description_set_weight
1869                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
1870         } else {
1871                 bold_font_desc = pango_font_description_from_string
1872                                                 (BOLD_FONT);
1873         }
1874         if (bold_font_desc) {
1875                 CHANGE_TAG_FONT("header_title", bold_font_desc);
1876                 pango_font_description_free(bold_font_desc);
1877         }
1878
1879         if (prefs_common.textfont) {
1880                 PangoFontDescription *font_desc;
1881
1882                 font_desc = pango_font_description_from_string
1883                                                 (prefs_common.textfont);
1884                 if (font_desc) {
1885                         gtk_widget_modify_font(textview->text, font_desc);
1886                         pango_font_description_free(font_desc);
1887                 }
1888         }
1889         gtk_text_view_set_pixels_above_lines(GTK_TEXT_VIEW(textview->text),
1890                                              prefs_common.line_space / 2);
1891         gtk_text_view_set_pixels_below_lines(GTK_TEXT_VIEW(textview->text),
1892                                              prefs_common.line_space / 2);
1893 }
1894
1895 void textview_set_text(TextView *textview, const gchar *text)
1896 {
1897         GtkTextView *view;
1898         GtkTextBuffer *buffer;
1899
1900         cm_return_if_fail(textview != NULL);
1901         cm_return_if_fail(text != NULL);
1902
1903         textview_clear(textview);
1904
1905         view = GTK_TEXT_VIEW(textview->text);
1906         buffer = gtk_text_view_get_buffer(view);
1907         gtk_text_buffer_set_text(buffer, text, strlen(text));
1908 }
1909
1910 enum
1911 {
1912         H_DATE          = 0,
1913         H_FROM          = 1,
1914         H_TO            = 2,
1915         H_NEWSGROUPS    = 3,
1916         H_SUBJECT       = 4,
1917         H_CC            = 5,
1918         H_REPLY_TO      = 6,
1919         H_FOLLOWUP_TO   = 7,
1920         H_X_MAILER      = 8,
1921         H_X_NEWSREADER  = 9,
1922         H_USER_AGENT    = 10,
1923         H_ORGANIZATION  = 11,
1924 };
1925
1926 void textview_set_position(TextView *textview, gint pos)
1927 {
1928         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1929
1930         gtkut_text_view_set_position(text, pos);
1931 }
1932
1933 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1934 {
1935         gchar buf[BUFFSIZE];
1936         GPtrArray *headers, *sorted_headers;
1937         GSList *disphdr_list;
1938         Header *header;
1939         gint i;
1940
1941         cm_return_val_if_fail(fp != NULL, NULL);
1942
1943         if (prefs_common.show_all_headers) {
1944                 headers = procheader_get_header_array_asis(fp);
1945                 sorted_headers = g_ptr_array_new();
1946                 for (i = 0; i < headers->len; i++) {
1947                         header = g_ptr_array_index(headers, i);
1948                         if (!procheader_header_is_internal(header->name))
1949                                 g_ptr_array_add(sorted_headers, header);
1950                         else
1951                                 procheader_header_free(header);
1952                 }
1953                 g_ptr_array_free(headers, TRUE);
1954                 return sorted_headers;
1955         }
1956
1957         if (!prefs_common.display_header) {
1958                 while (claws_fgets(buf, sizeof(buf), fp) != NULL)
1959                         if (buf[0] == '\r' || buf[0] == '\n') break;
1960                 return NULL;
1961         }
1962
1963         headers = procheader_get_header_array_asis(fp);
1964
1965         sorted_headers = g_ptr_array_new();
1966
1967         for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1968              disphdr_list = disphdr_list->next) {
1969                 DisplayHeaderProp *dp =
1970                         (DisplayHeaderProp *)disphdr_list->data;
1971
1972                 for (i = 0; i < headers->len; i++) {
1973                         header = g_ptr_array_index(headers, i);
1974
1975                         if (procheader_headername_equal(header->name,
1976                                                         dp->name)) {
1977                                 if (dp->hidden)
1978                                         procheader_header_free(header);
1979                                 else
1980                                         g_ptr_array_add(sorted_headers, header);
1981
1982                                 g_ptr_array_remove_index(headers, i);
1983                                 i--;
1984                         }
1985                 }
1986         }
1987
1988         if (prefs_common.show_other_header) {
1989                 for (i = 0; i < headers->len; i++) {
1990                         header = g_ptr_array_index(headers, i);
1991                         if (!procheader_header_is_internal(header->name)) {
1992                                 g_ptr_array_add(sorted_headers, header);
1993                         } else {
1994                                 procheader_header_free(header);
1995                         }
1996                 }
1997                 g_ptr_array_free(headers, TRUE);
1998         } else
1999                 procheader_header_array_destroy(headers);
2000
2001
2002         return sorted_headers;
2003 }
2004
2005 static void textview_show_avatar(TextView *textview)
2006 {
2007         GtkAllocation allocation;
2008         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2009         MsgInfo *msginfo = textview->messageview->msginfo;
2010         int x = 0;
2011         AvatarRender *avatarr;
2012
2013         if (prefs_common.display_header_pane || !prefs_common.display_xface)
2014                 goto bail;
2015
2016         avatarr = avatars_avatarrender_new(msginfo);
2017         hooks_invoke(AVATAR_IMAGE_RENDER_HOOKLIST, avatarr);
2018
2019         if (!avatarr->image) {
2020                 avatars_avatarrender_free(avatarr);
2021                 goto bail;
2022         }
2023
2024         if (textview->image)
2025                 gtk_widget_destroy(textview->image);
2026
2027         textview->image = avatarr->image;
2028         textview->avatar_type = avatarr->type;
2029         avatarr->image = NULL; /* avoid destroying */
2030         avatars_avatarrender_free(avatarr);
2031
2032         gtk_widget_show(textview->image);
2033
2034         gtk_widget_get_allocation(textview->text, &allocation);
2035         x = allocation.width - WIDTH -5;
2036
2037         gtk_text_view_add_child_in_window(text, textview->image,
2038                 GTK_TEXT_WINDOW_TEXT, x, 5);
2039
2040         gtk_widget_show_all(textview->text);
2041
2042         return;
2043 bail:
2044         if (textview->image)
2045                 gtk_widget_destroy(textview->image);
2046         textview->image = NULL;
2047         textview->avatar_type = 0;
2048 }
2049
2050 void textview_show_icon(TextView *textview, const gchar *stock_id)
2051 {
2052         GtkAllocation allocation;
2053         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2054         int x = 0;
2055
2056         if (textview->image)
2057                 gtk_widget_destroy(textview->image);
2058
2059         textview->image = gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_DIALOG);
2060         cm_return_if_fail(textview->image != NULL);
2061
2062         gtk_widget_show(textview->image);
2063
2064         gtk_widget_get_allocation(textview->text, &allocation);
2065         x = allocation.width - WIDTH -5;
2066
2067         gtk_text_view_add_child_in_window(text, textview->image,
2068                 GTK_TEXT_WINDOW_TEXT, x, 5);
2069
2070         gtk_widget_show_all(textview->text);
2071
2072
2073         return;
2074 }
2075
2076 static void textview_save_contact_pic(TextView *textview)
2077 {
2078 #ifndef USE_ALT_ADDRBOOK
2079         MsgInfo *msginfo = textview->messageview->msginfo;
2080         gchar *filename = NULL;
2081         GError *error = NULL;
2082         GdkPixbuf *picture = NULL;
2083
2084         if (!msginfo->extradata || !msginfo->extradata->avatars)
2085                 return;
2086
2087         if (textview->avatar_type > AVATAR_FACE)
2088                 return;
2089
2090         if (textview->image)
2091                 picture = gtk_image_get_pixbuf(GTK_IMAGE(textview->image));
2092
2093         filename = addrindex_get_picture_file(msginfo->from);
2094         if (!filename)
2095                 return;
2096         if (!is_file_exist(filename)) {
2097                 gdk_pixbuf_save(picture, filename, "png", &error, NULL);
2098                 if (error) {
2099                         g_warning("Failed to save image: %s",
2100                                         error->message);
2101                         g_error_free(error);
2102                 }
2103         }
2104         g_free(filename);
2105 #else
2106         /* new address book */
2107 #endif
2108 }
2109
2110 static void textview_show_contact_pic(TextView *textview)
2111 {
2112 #ifndef USE_ALT_ADDRBOOK
2113         MsgInfo *msginfo = textview->messageview->msginfo;
2114         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2115         int x = 0;
2116         gchar *filename = NULL;
2117         GError *error = NULL;
2118         GdkPixbuf *picture = NULL;
2119         gint w, h;
2120         GtkAllocation allocation;
2121
2122         if (prefs_common.display_header_pane
2123                 || !prefs_common.display_xface)
2124                 goto bail;
2125
2126         if (msginfo->extradata && msginfo->extradata->avatars)
2127                 return;
2128
2129         if (textview->image)
2130                 gtk_widget_destroy(textview->image);
2131
2132         filename = addrindex_get_picture_file(msginfo->from);
2133
2134         if (!filename)
2135                 goto bail;
2136         if (!is_file_exist(filename)) {
2137                 g_free(filename);
2138                 goto bail;
2139         }
2140
2141         gdk_pixbuf_get_file_info(filename, &w, &h);
2142
2143         if (w > 48 || h > 48)
2144                 picture = gdk_pixbuf_new_from_file_at_scale(filename,
2145                                                 48, 48, TRUE, &error);
2146         else
2147                 picture = gdk_pixbuf_new_from_file(filename, &error);
2148
2149         if (error) {
2150                 debug_print("Failed to import image: %s\n",
2151                                 error->message);
2152                 g_error_free(error);
2153                 goto bail;
2154         }
2155         g_free(filename);
2156
2157         if (picture) {
2158                 textview->image = gtk_image_new_from_pixbuf(picture);
2159                 g_object_unref(picture);
2160         }
2161         cm_return_if_fail(textview->image != NULL);
2162
2163         gtk_widget_show(textview->image);
2164
2165         gtk_widget_get_allocation(textview->text, &allocation);
2166         x = allocation.width - WIDTH -5;
2167
2168         gtk_text_view_add_child_in_window(text, textview->image,
2169                 GTK_TEXT_WINDOW_TEXT, x, 5);
2170
2171         gtk_widget_show_all(textview->text);
2172
2173         return;
2174 bail:
2175         if (textview->image)
2176                 gtk_widget_destroy(textview->image);
2177         textview->image = NULL;
2178         textview->avatar_type = 0;
2179 #else
2180         /* new address book */
2181 #endif
2182 }
2183
2184 static gint textview_tag_cmp_list(gconstpointer a, gconstpointer b)
2185 {
2186         gint id_a = GPOINTER_TO_INT(a);
2187         gint id_b = GPOINTER_TO_INT(b);
2188         const gchar *tag_a = tags_get_tag(id_a);
2189         const gchar *tag_b = tags_get_tag(id_b);
2190
2191         if (tag_a == NULL)
2192                 return tag_b == NULL ? 0:1;
2193
2194         if (tag_b == NULL)
2195                 return 1;
2196
2197         return g_utf8_collate(tag_a, tag_b);
2198 }
2199
2200
2201 static void textview_show_tags(TextView *textview)
2202 {
2203         MsgInfo *msginfo = textview->messageview->msginfo;
2204         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2205         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2206         GtkTextIter iter;
2207         ClickableText *uri;
2208         GSList *cur, *orig;
2209         gboolean found_tag = FALSE;
2210
2211         if (!msginfo->tags)
2212                 return;
2213
2214         cur = orig = g_slist_sort(g_slist_copy(msginfo->tags), textview_tag_cmp_list);
2215
2216         for (; cur; cur = cur->next) {
2217                 if (tags_get_tag(GPOINTER_TO_INT(cur->data)) != NULL) {
2218                         found_tag = TRUE;
2219                         break;
2220                 }
2221         }
2222         if (!found_tag) {
2223                 g_slist_free(orig);
2224                 return;
2225         }
2226
2227         gtk_text_buffer_get_end_iter (buffer, &iter);
2228         gtk_text_buffer_insert_with_tags_by_name(buffer,
2229                 &iter, _("Tags: "), -1,
2230                 "header_title", "header", "tags", NULL);
2231
2232         for (cur = orig; cur; cur = cur->next) {
2233                 const gchar *cur_tag = tags_get_tag(GPOINTER_TO_INT(cur->data));
2234                 if (!cur_tag)
2235                         continue;
2236                 uri = g_new0(ClickableText, 1);
2237                 uri->uri = g_strdup("");
2238                 uri->start = gtk_text_iter_get_offset(&iter);
2239                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
2240                         cur_tag, -1,
2241                         "link", "header", "tags", NULL);
2242                 uri->end = gtk_text_iter_get_offset(&iter);
2243                 uri->filename = g_strdup_printf("sc://search_tags:%s", cur_tag);
2244                 uri->data = NULL;
2245                 textview->uri_list =
2246                         g_slist_prepend(textview->uri_list, uri);
2247                 if (cur->next && tags_get_tag(GPOINTER_TO_INT(cur->next->data)))
2248                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, ", ", 2,
2249                                 "header", "tags", NULL);
2250                 else
2251                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, " ", 1,
2252                                 "header", "tags", NULL);
2253         }
2254         g_slist_free(orig);
2255
2256         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2257                 "header", "tags", NULL);
2258 }
2259
2260 static void textview_show_header(TextView *textview, GPtrArray *headers)
2261 {
2262         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2263         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2264         GtkTextIter iter;
2265         Header *header;
2266         gint i;
2267
2268         cm_return_if_fail(headers != NULL);
2269
2270         for (i = 0; i < headers->len; i++) {
2271                 header = g_ptr_array_index(headers, i);
2272                 cm_return_if_fail(header->name != NULL);
2273
2274                 gtk_text_buffer_get_end_iter (buffer, &iter);
2275                 if(prefs_common.trans_hdr == TRUE) {
2276                         gchar *hdr = g_strndup(header->name, strlen(header->name) - 1);
2277                         gchar *trans_hdr = gettext(hdr);
2278                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2279                                 &iter, trans_hdr, -1,
2280                                 "header_title", "header", NULL);
2281                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2282                                 &iter, ":", 1, "header_title", "header", NULL);
2283                         g_free(hdr);
2284                 } else {
2285                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2286                                 &iter, header->name,
2287                                 -1, "header_title", "header", NULL);
2288                 }
2289                 if (header->name[strlen(header->name) - 1] != ' ')
2290                 gtk_text_buffer_insert_with_tags_by_name
2291                                 (buffer, &iter, " ", 1,
2292                                  "header_title", "header", NULL);
2293
2294                 if (procheader_headername_equal(header->name, "Subject") ||
2295                     procheader_headername_equal(header->name, "From") ||
2296                     procheader_headername_equal(header->name, "To") ||
2297                     procheader_headername_equal(header->name, "Cc") ||
2298                     procheader_headername_equal(header->name, "Bcc") ||
2299                     procheader_headername_equal(header->name, "Reply-To") ||
2300                     procheader_headername_equal(header->name, "Sender") ||
2301                     procheader_headername_equal(header->name, "Resent-From") ||
2302                     procheader_headername_equal(header->name, "Resent-To"))
2303                         unfold_line(header->body);
2304
2305                 if (procheader_headername_equal(header->name, "Date") &&
2306                     prefs_common.msgview_date_format) {
2307                         gchar hbody[80];
2308
2309                         procheader_date_parse(hbody, header->body, sizeof(hbody));
2310                         gtk_text_buffer_get_end_iter (buffer, &iter);
2311                         gtk_text_buffer_insert_with_tags_by_name
2312                                 (buffer, &iter, hbody, -1, "header", NULL);
2313                 } else if ((procheader_headername_equal(header->name, "X-Mailer") ||
2314                                 procheader_headername_equal(header->name,
2315                                                  "X-Newsreader")) &&
2316                                 (strstr(header->body, "Claws Mail") != NULL ||
2317                                 strstr(header->body, "Sylpheed-Claws") != NULL)) {
2318                         gtk_text_buffer_get_end_iter (buffer, &iter);
2319                         gtk_text_buffer_insert_with_tags_by_name
2320                                 (buffer, &iter, header->body, -1,
2321                                  "header", "emphasis", NULL);
2322                 } else {
2323                         gboolean hdr =
2324                           procheader_headername_equal(header->name, "From") ||
2325                           procheader_headername_equal(header->name, "To") ||
2326                           procheader_headername_equal(header->name, "Cc") ||
2327                           procheader_headername_equal(header->name, "Bcc") ||
2328                           procheader_headername_equal(header->name, "Reply-To") ||
2329                           procheader_headername_equal(header->name, "Sender") ||
2330                           procheader_headername_equal(header->name, "Resent-From") ||
2331                           procheader_headername_equal(header->name, "Resent-To");
2332                         textview_make_clickable_parts(textview, "header",
2333                                                       "hlink", header->body,
2334                                                       hdr);
2335                 }
2336                 gtk_text_buffer_get_end_iter (buffer, &iter);
2337                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2338                                                          "header", NULL);
2339         }
2340
2341         textview_show_avatar(textview);
2342
2343         textview_save_contact_pic(textview);
2344         textview_show_contact_pic(textview);
2345 }
2346
2347 gboolean textview_search_string(TextView *textview, const gchar *str,
2348                                 gboolean case_sens)
2349 {
2350         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2351
2352         return gtkut_text_view_search_string(text, str, case_sens);
2353 }
2354
2355 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
2356                                          gboolean case_sens)
2357 {
2358         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2359
2360         return gtkut_text_view_search_string_backward(text, str, case_sens);
2361 }
2362
2363 void textview_scroll_one_line(TextView *textview, gboolean up)
2364 {
2365         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2366         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2367
2368         gtkutils_scroll_one_line(GTK_WIDGET(text), vadj, up);
2369 }
2370
2371 gboolean textview_scroll_page(TextView *textview, gboolean up)
2372 {
2373         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2374         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2375
2376         return gtkutils_scroll_page(GTK_WIDGET(text), vadj, up);
2377 }
2378
2379 void textview_scroll_max(TextView *textview, gboolean up)
2380 {
2381         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2382         GtkTextIter iter;
2383
2384         if (up) {
2385                 gtk_text_buffer_get_start_iter(buffer, &iter);
2386                 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview->text),
2387                                                 &iter, 0.0, TRUE, 0.0, 1.0);
2388
2389         } else {
2390                 gtk_text_buffer_get_end_iter(buffer, &iter);
2391                 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview->text),
2392                                                 &iter, 0.0, TRUE, 0.0, 0.0);
2393         }
2394 }
2395
2396 #define KEY_PRESS_EVENT_STOP() \
2397         g_signal_stop_emission_by_name(G_OBJECT(widget), \
2398                                        "key_press_event");
2399
2400 static gint textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2401                                  TextView *textview)
2402 {
2403         GdkWindow *window = NULL;
2404         SummaryView *summaryview = NULL;
2405         MessageView *messageview = textview->messageview;
2406         gboolean mod_pressed;
2407
2408         if (!event) return FALSE;
2409         if (messageview->mainwin)
2410                 summaryview = messageview->mainwin->summaryview;
2411
2412         switch (event->keyval) {
2413         case GDK_KEY_Tab:
2414         case GDK_KEY_Left:
2415         case GDK_KEY_Up:
2416         case GDK_KEY_Right:
2417         case GDK_KEY_Down:
2418         case GDK_KEY_Control_L:
2419         case GDK_KEY_Control_R:
2420                 return FALSE;
2421         case GDK_KEY_Home:
2422         case GDK_KEY_End:
2423                 textview_scroll_max(textview,(event->keyval == GDK_KEY_Home));
2424                 return TRUE;
2425         case GDK_KEY_space:
2426                 mod_pressed = ((event->state & (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2427                 if (!mimeview_scroll_page(messageview->mimeview, mod_pressed) &&
2428                                 summaryview != NULL) {
2429                         if (mod_pressed)
2430                                 summary_select_prev_unread(summaryview);
2431                         else
2432                                 summary_select_next_unread(summaryview);
2433                 }
2434                 break;
2435         case GDK_KEY_Page_Down:
2436                 mimeview_scroll_page(messageview->mimeview, FALSE);
2437                 break;
2438         case GDK_KEY_Page_Up:
2439         case GDK_KEY_BackSpace:
2440                 mimeview_scroll_page(messageview->mimeview, TRUE);
2441                 break;
2442         case GDK_KEY_Return:
2443         case GDK_KEY_KP_Enter:
2444                 mimeview_scroll_one_line
2445                         (messageview->mimeview, (event->state &
2446                                     (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2447                 break;
2448         case GDK_KEY_Delete:
2449                 if (summaryview)
2450                         summary_pass_key_press_event(summaryview, event);
2451                 break;
2452         default:
2453                 if (messageview->mainwin) {
2454                         window = gtk_widget_get_window(messageview->mainwin->window);
2455                         if (summaryview &&
2456                             event->window != window) {
2457                                 GdkEventKey tmpev = *event;
2458
2459                                 tmpev.window = window;
2460                                 KEY_PRESS_EVENT_STOP();
2461                                 gtk_widget_event(messageview->mainwin->window,
2462                                                  (GdkEvent *)&tmpev);
2463                         }
2464                 }
2465                 break;
2466         }
2467
2468         return TRUE;
2469 }
2470
2471 static gboolean textview_motion_notify(GtkWidget *widget,
2472                                        GdkEventMotion *event,
2473                                        TextView *textview)
2474 {
2475         if (textview->loading)
2476                 return FALSE;
2477         textview_uri_update(textview, event->x, event->y);
2478         gdk_window_get_pointer(gtk_widget_get_window(widget), NULL, NULL, NULL);
2479
2480         return FALSE;
2481 }
2482
2483 static gboolean textview_leave_notify(GtkWidget *widget,
2484                                       GdkEventCrossing *event,
2485                                       TextView *textview)
2486 {
2487         if (textview->loading)
2488                 return FALSE;
2489         textview_uri_update(textview, -1, -1);
2490
2491         return FALSE;
2492 }
2493
2494 static gboolean textview_visibility_notify(GtkWidget *widget,
2495                                            GdkEventVisibility *event,
2496                                            TextView *textview)
2497 {
2498         gint wx, wy;
2499         GdkWindow *window;
2500
2501         if (textview->loading)
2502                 return FALSE;
2503
2504         window = gtk_text_view_get_window(GTK_TEXT_VIEW(widget),
2505                                           GTK_TEXT_WINDOW_TEXT);
2506
2507         /* check if occurred for the text window part */
2508         if (window != event->window)
2509                 return FALSE;
2510
2511         gdk_window_get_pointer(gtk_widget_get_window(widget), &wx, &wy, NULL);
2512         textview_uri_update(textview, wx, wy);
2513
2514         return FALSE;
2515 }
2516
2517 void textview_cursor_wait(TextView *textview)
2518 {
2519         GdkWindow *window = gtk_text_view_get_window(
2520                         GTK_TEXT_VIEW(textview->text),
2521                         GTK_TEXT_WINDOW_TEXT);
2522         textview_set_cursor(window, watch_cursor);
2523 }
2524
2525 void textview_cursor_normal(TextView *textview)
2526 {
2527         GdkWindow *window = gtk_text_view_get_window(
2528                         GTK_TEXT_VIEW(textview->text),
2529                         GTK_TEXT_WINDOW_TEXT);
2530         textview_set_cursor(window, text_cursor);
2531 }
2532
2533 static void textview_uri_update(TextView *textview, gint x, gint y)
2534 {
2535         GtkTextBuffer *buffer;
2536         GtkTextIter start_iter, end_iter;
2537         ClickableText *uri = NULL;
2538
2539         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2540
2541         if (x != -1 && y != -1) {
2542                 gint bx, by;
2543                 GtkTextIter iter;
2544                 GSList *tags;
2545                 GSList *cur;
2546
2547                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview->text),
2548                                                       GTK_TEXT_WINDOW_WIDGET,
2549                                                       x, y, &bx, &by);
2550                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview->text),
2551                                                    &iter, bx, by);
2552
2553                 tags = gtk_text_iter_get_tags(&iter);
2554                 for (cur = tags; cur != NULL; cur = cur->next) {
2555                         GtkTextTag *tag = cur->data;
2556                         char *name;
2557
2558                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
2559
2560                         if ((!strcmp(name, "link") || !strcmp(name, "hlink"))
2561                             && textview_get_uri_range(textview, &iter, tag,
2562                                                       &start_iter, &end_iter)) {
2563
2564                                 uri = textview_get_uri_from_range(textview,
2565                                                                   &iter, tag,
2566                                                                   &start_iter,
2567                                                                   &end_iter);
2568                         }
2569                         g_free(name);
2570                         if (uri)
2571                                 break;
2572                 }
2573                 g_slist_free(tags);
2574         }
2575
2576         if (uri != textview->uri_hover) {
2577                 GdkWindow *window;
2578
2579                 if (textview->uri_hover)
2580                         gtk_text_buffer_remove_tag_by_name(buffer,
2581                                                            "link-hover",
2582                                                            &textview->uri_hover_start_iter,
2583                                                            &textview->uri_hover_end_iter);
2584
2585                 textview->uri_hover = uri;
2586                 if (uri) {
2587                         textview->uri_hover_start_iter = start_iter;
2588                         textview->uri_hover_end_iter = end_iter;
2589                 }
2590
2591                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview->text),
2592                                                   GTK_TEXT_WINDOW_TEXT);
2593                 if (textview->messageview->mainwin->cursor_count == 0) {
2594                         textview_set_cursor(window, uri ? hand_cursor : text_cursor);
2595                 } else {
2596                         textview_set_cursor(window, watch_cursor);
2597                 }
2598
2599                 TEXTVIEW_STATUSBAR_POP(textview);
2600
2601                 if (uri) {
2602                         if (!uri->is_quote)
2603                                 gtk_text_buffer_apply_tag_by_name(buffer,
2604                                                           "link-hover",
2605                                                           &start_iter,
2606                                                           &end_iter);
2607                         TEXTVIEW_STATUSBAR_PUSH(textview, uri->uri);
2608                 }
2609         }
2610 }
2611
2612 static gboolean textview_get_uri_range(TextView *textview,
2613                                        GtkTextIter *iter,
2614                                        GtkTextTag *tag,
2615                                        GtkTextIter *start_iter,
2616                                        GtkTextIter *end_iter)
2617 {
2618         return get_tag_range(iter, tag, start_iter, end_iter);
2619 }
2620
2621 static ClickableText *textview_get_uri_from_range(TextView *textview,
2622                                               GtkTextIter *iter,
2623                                               GtkTextTag *tag,
2624                                               GtkTextIter *start_iter,
2625                                               GtkTextIter *end_iter)
2626 {
2627         gint start_pos, end_pos, cur_pos;
2628         ClickableText *uri = NULL;
2629         GSList *cur;
2630
2631         start_pos = gtk_text_iter_get_offset(start_iter);
2632         end_pos = gtk_text_iter_get_offset(end_iter);
2633         cur_pos = gtk_text_iter_get_offset(iter);
2634
2635         for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
2636                 ClickableText *uri_ = (ClickableText *)cur->data;
2637                 if (start_pos == uri_->start &&
2638                     end_pos ==  uri_->end) {
2639                         uri = uri_;
2640                         break;
2641                 }
2642         }
2643         for (cur = textview->uri_list; uri == NULL && cur != NULL; cur = cur->next) {
2644                 ClickableText *uri_ = (ClickableText *)cur->data;
2645                 if (start_pos == uri_->start ||
2646                            end_pos == uri_->end) {
2647                         /* in case of contiguous links, textview_get_uri_range
2648                          * returns a broader range (start of 1st link to end
2649                          * of last link).
2650                          * In that case, correct link is the one covering
2651                          * current iter.
2652                          */
2653                         if (uri_->start <= cur_pos && cur_pos <= uri_->end) {
2654                                 uri = uri_;
2655                                 break;
2656                         }
2657                 }
2658         }
2659
2660         return uri;
2661 }
2662
2663 static ClickableText *textview_get_uri(TextView *textview,
2664                                    GtkTextIter *iter,
2665                                    GtkTextTag *tag)
2666 {
2667         GtkTextIter start_iter, end_iter;
2668         ClickableText *uri = NULL;
2669
2670         if (textview_get_uri_range(textview, iter, tag, &start_iter,
2671                                    &end_iter))
2672                 uri = textview_get_uri_from_range(textview, iter, tag,
2673                                                   &start_iter, &end_iter);
2674
2675         return uri;
2676 }
2677
2678 static void textview_shift_uris_after(TextView *textview, GSList *start_list, gint start, gint shift)
2679 {
2680         GSList *cur;
2681         if (!start_list)
2682                 start_list = textview->uri_list;
2683
2684         for (cur = start_list; cur; cur = cur->next) {
2685                 ClickableText *uri = (ClickableText *)cur->data;
2686                 if (uri->start <= start)
2687                         continue;
2688                 uri->start += shift;
2689                 uri->end += shift;
2690         }
2691 }
2692
2693 static void textview_remove_uris_in(TextView *textview, gint start, gint end)
2694 {
2695         GSList *cur;
2696         for (cur = textview->uri_list; cur; ) {
2697                 ClickableText *uri = (ClickableText *)cur->data;
2698                 if (uri->start > start && uri->end < end) {
2699                         cur = cur->next;
2700                         textview->uri_list = g_slist_remove(textview->uri_list, uri);
2701                         g_free(uri->uri);
2702                         g_free(uri->filename);
2703                         if (uri->is_quote) {
2704                                 g_free(uri->fg_color);
2705                                 g_free(uri->data);
2706                                 /* (only free data in quotes uris) */
2707                         }
2708                         g_free(uri);
2709                 } else {
2710                         cur = cur->next;
2711                 }
2712
2713         }
2714 }
2715
2716 static void textview_toggle_quote(TextView *textview, GSList *start_list, ClickableText *uri, gboolean expand_only)
2717 {
2718         GtkTextIter start, end;
2719         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2720
2721         if (!uri->is_quote)
2722                 return;
2723
2724         if (uri->q_expanded && expand_only)
2725                 return;
2726
2727         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2728         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2729         if (textview->uri_hover)
2730                 gtk_text_buffer_remove_tag_by_name(buffer,
2731                                                    "link-hover",
2732                                                    &textview->uri_hover_start_iter,
2733                                                    &textview->uri_hover_end_iter);
2734         textview->uri_hover = NULL;
2735         gtk_text_buffer_remove_tag_by_name(buffer,
2736                                            "qlink",
2737                                            &start,
2738                                            &end);
2739         /* when shifting URIs start and end, we have to do it per-UTF8-char
2740          * so use g_utf8_strlen(). OTOH, when inserting in the text buffer,
2741          * we have to pass a number of bytes, so use strlen(). disturbing. */
2742
2743         if (!uri->q_expanded) {
2744                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2745                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2746                 textview_shift_uris_after(textview, start_list, uri->start,
2747                         g_utf8_strlen((gchar *)uri->data, -1)-strlen(" [...]\n"));
2748                 gtk_text_buffer_delete(buffer, &start, &end);
2749                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2750                 gtk_text_buffer_insert_with_tags_by_name
2751                                 (buffer, &start, (gchar *)uri->data,
2752                                  strlen((gchar *)uri->data)-1,
2753                                  "qlink", (gchar *)uri->fg_color, NULL);
2754                 uri->end = gtk_text_iter_get_offset(&start);
2755                 textview_make_clickable_parts_later(textview,
2756                                           uri->start, uri->end);
2757                 uri->q_expanded = TRUE;
2758         } else {
2759                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2760                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2761                 textview_remove_uris_in(textview, uri->start, uri->end);
2762                 textview_shift_uris_after(textview, start_list, uri->start,
2763                         strlen(" [...]\n")-g_utf8_strlen((gchar *)uri->data, -1));
2764                 gtk_text_buffer_delete(buffer, &start, &end);
2765                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2766                 gtk_text_buffer_insert_with_tags_by_name
2767                                 (buffer, &start, " [...]", -1,
2768                                  "qlink", (gchar *)uri->fg_color, NULL);
2769                 uri->end = gtk_text_iter_get_offset(&start);
2770                 uri->q_expanded = FALSE;
2771         }
2772         if (textview->messageview->mainwin->cursor_count == 0) {
2773                 textview_cursor_normal(textview);
2774         } else {
2775                 textview_cursor_wait(textview);
2776         }
2777 }
2778 static gboolean textview_uri_button_pressed(GtkTextTag *tag, GObject *obj,
2779                                             GdkEvent *event, GtkTextIter *iter,
2780                                             TextView *textview)
2781 {
2782         GdkEventButton *bevent;
2783         ClickableText *uri = NULL;
2784         char *tagname;
2785         gboolean qlink = FALSE;
2786
2787         if (!event)
2788                 return FALSE;
2789
2790         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
2791                 && event->type != GDK_MOTION_NOTIFY)
2792                 return FALSE;
2793
2794         uri = textview_get_uri(textview, iter, tag);
2795         if (!uri)
2796                 return FALSE;
2797
2798         g_object_get(G_OBJECT(tag), "name", &tagname, NULL);
2799
2800         if (!strcmp(tagname, "qlink"))
2801                 qlink = TRUE;
2802
2803         g_free(tagname);
2804
2805         bevent = (GdkEventButton *) event;
2806
2807         /* doubleclick: open compose / add address / browser */
2808         if (qlink && event->type == GDK_BUTTON_PRESS && bevent->button != 1) {
2809                 /* pass rightclick through */
2810                 return FALSE;
2811         } else if ((event->type == (qlink ? GDK_2BUTTON_PRESS:GDK_BUTTON_PRESS) && bevent->button == 1) ||
2812                 bevent->button == 2 || bevent->button == 3) {
2813                 if (uri->filename && !g_ascii_strncasecmp(uri->filename, "sc://", 5)) {
2814                         MimeView *mimeview =
2815                                 (textview->messageview)?
2816                                         textview->messageview->mimeview:NULL;
2817                         if (mimeview && bevent->button == 1) {
2818                                 mimeview_handle_cmd(mimeview, uri->filename, NULL, uri->data);
2819                         } else if (mimeview && bevent->button == 2 &&
2820                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2821                                 mimeview_handle_cmd(mimeview, "sc://open_attachment", NULL, uri->data);
2822                         } else if (mimeview && bevent->button == 3 &&
2823                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2824                                 mimeview_handle_cmd(mimeview, "sc://menu_attachment", bevent, uri->data);
2825                         }
2826                         return TRUE;
2827                 } else if (qlink && bevent->button == 1) {
2828                         if (prefs_common.hide_quoted) {
2829                                 textview_toggle_quote(textview, NULL, uri, FALSE);
2830                                 return TRUE;
2831                         } else
2832                                 return FALSE;
2833                 } else if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) {
2834                         if (bevent->button == 3) {
2835                                 g_object_set_data(
2836                                         G_OBJECT(textview->mail_popup_menu),
2837                                         "menu_button", uri);
2838                                 gtk_menu_popup(GTK_MENU(textview->mail_popup_menu),
2839                                                NULL, NULL, NULL, NULL,
2840                                                bevent->button, bevent->time);
2841                         } else {
2842                                 PrefsAccount *account = NULL;
2843                                 FolderItem   *folder_item = NULL;
2844                                 Compose *compose;
2845
2846                                 if (textview->messageview && textview->messageview->msginfo &&
2847                                     textview->messageview->msginfo->folder) {
2848
2849
2850                                         folder_item = textview->messageview->msginfo->folder;
2851                                         if (folder_item->prefs && folder_item->prefs->enable_default_account)
2852                                                 account = account_find_from_id(folder_item->prefs->default_account);
2853                                         if (!account)
2854                                                 account = account_find_from_item(folder_item);
2855                                 }
2856                                 compose = compose_new_with_folderitem(account,
2857                                                                 folder_item, uri->uri + 7);
2858                                 compose_check_for_email_account(compose);
2859                         }
2860                         return TRUE;
2861                 } else if (g_ascii_strncasecmp(uri->uri, "file:", 5)) {
2862                         if (bevent->button == 1 &&
2863                             textview_uri_security_check(textview, uri) == TRUE)
2864                                         open_uri(uri->uri,
2865                                                  prefs_common_get_uri_cmd());
2866                         else if (bevent->button == 3 && !qlink) {
2867                                 g_object_set_data(
2868                                         G_OBJECT(textview->link_popup_menu),
2869                                         "menu_button", uri);
2870                                 gtk_menu_popup(GTK_MENU(textview->link_popup_menu),
2871                                                NULL, NULL, NULL, NULL,
2872                                                bevent->button, bevent->time);
2873                         }
2874                         return TRUE;
2875                 } else {
2876                         if (bevent->button == 3 && !qlink) {
2877                                 g_object_set_data(
2878                                         G_OBJECT(textview->file_popup_menu),
2879                                         "menu_button", uri);
2880                                 gtk_menu_popup(GTK_MENU(textview->file_popup_menu),
2881                                                NULL, NULL, NULL, NULL,
2882                                                bevent->button, bevent->time);
2883                                 return TRUE;
2884                         }
2885                 }
2886         }
2887
2888         return FALSE;
2889 }
2890
2891 gchar *textview_get_visible_uri         (TextView       *textview,
2892                                          ClickableText  *uri)
2893 {
2894         GtkTextBuffer *buffer;
2895         GtkTextIter start, end;
2896
2897         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2898
2899         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2900         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2901
2902         return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
2903 }
2904
2905 /*!
2906  *\brief    Check to see if a web URL has been disguised as a different
2907  *          URL (possible with HTML email).
2908  *
2909  *\param    uri The uri to check
2910  *
2911  *\param    textview The TextView the URL is contained in
2912  *
2913  *\return   gboolean TRUE if the URL is ok, or if the user chose to open
2914  *          it anyway, otherwise FALSE
2915  */
2916 gboolean textview_uri_security_check(TextView *textview, ClickableText *uri)
2917 {
2918         gchar *visible_str;
2919         gboolean retval = TRUE;
2920
2921         if (is_uri_string(uri->uri) == FALSE)
2922                 return TRUE;
2923
2924         visible_str = textview_get_visible_uri(textview, uri);
2925         if (visible_str == NULL)
2926                 return TRUE;
2927
2928         g_strstrip(visible_str);
2929
2930         if (strcmp(visible_str, uri->uri) != 0 && is_uri_string(visible_str)) {
2931                 gchar *uri_path;
2932                 gchar *visible_uri_path;
2933
2934                 uri_path = get_uri_path(uri->uri);
2935                 visible_uri_path = get_uri_path(visible_str);
2936                 if (path_cmp(uri_path, visible_uri_path) != 0)
2937                         retval = FALSE;
2938         }
2939
2940         if (retval == FALSE) {
2941                 gchar *msg;
2942                 AlertValue aval;
2943
2944                 msg = g_markup_printf_escaped("%s\n\n"
2945                                                 "<b>%s</b> %s\n\n"
2946                                                 "<b>%s</b> %s\n\n"
2947                                                 "%s",
2948                                                 _("The real URL is different from the displayed URL."),
2949                                                 _("Displayed URL:"), visible_str,
2950                                                 _("Real URL:"), uri->uri,
2951                                                 _("Open it anyway?"));
2952                 aval = alertpanel_full(_("Phishing attempt warning"), msg,
2953                                        GTK_STOCK_CANCEL, _("_Open URL"), NULL, ALERTFOCUS_FIRST,
2954                                                          FALSE, NULL, ALERT_WARNING);
2955                 g_free(msg);
2956                 if (aval == G_ALERTALTERNATE)
2957                         retval = TRUE;
2958         }
2959
2960         g_free(visible_str);
2961
2962         return retval;
2963 }
2964
2965 static void textview_uri_list_remove_all(GSList *uri_list)
2966 {
2967         GSList *cur;
2968
2969         for (cur = uri_list; cur != NULL; cur = cur->next) {
2970                 if (cur->data) {
2971                         g_free(((ClickableText *)cur->data)->uri);
2972                         g_free(((ClickableText *)cur->data)->filename);
2973                         if (((ClickableText *)cur->data)->is_quote) {
2974                                 g_free(((ClickableText *)cur->data)->fg_color);
2975                                 g_free(((ClickableText *)cur->data)->data);
2976                                 /* (only free data in quotes uris) */
2977                         }
2978                         g_free(cur->data);
2979                 }
2980         }
2981
2982         g_slist_free(uri_list);
2983 }
2984
2985 static void open_uri_cb (GtkAction *action, TextView *textview)
2986 {
2987         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2988                                            "menu_button");
2989         const gchar *raw_url = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2990                                            "raw_url");
2991
2992         if (uri) {
2993                 if (textview_uri_security_check(textview, uri) == TRUE)
2994                         open_uri(uri->uri,
2995                                  prefs_common_get_uri_cmd());
2996                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2997                                   NULL);
2998         }
2999         if (raw_url) {
3000                 open_uri(raw_url, prefs_common_get_uri_cmd());
3001                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
3002                                   NULL);
3003         }
3004 }
3005
3006 static void open_image_cb (GtkAction *action, TextView *textview)
3007 {
3008         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
3009                                            "menu_button");
3010
3011         gchar *cmd = NULL;
3012         gchar buf[1024];
3013         const gchar *p;
3014         gchar *filename = NULL, *filepath = NULL;
3015         gchar *tmp_filename = NULL;
3016
3017         if (uri == NULL)
3018                 return;
3019
3020         if (uri->filename == NULL)
3021                 return;
3022
3023         filename = g_strdup(uri->filename);
3024
3025         if (!g_utf8_validate(filename, -1, NULL)) {
3026                 gchar *tmp = conv_filename_to_utf8(filename);
3027                 g_free(filename);
3028                 filename = tmp;
3029         }
3030
3031         subst_for_filename(filename);
3032
3033         filepath = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
3034                                filename, NULL);
3035
3036         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
3037         copy_file(tmp_filename, filepath, FALSE);
3038         g_free(tmp_filename);
3039
3040         cmd = mailcap_get_command_for_type("image/jpeg", filename);
3041         if (cmd == NULL) {
3042                 gboolean remember = FALSE;
3043                 cmd = input_dialog_combo_remember
3044                         (_("Open with"),
3045                          _("Enter the command-line to open file:\n"
3046                            "('%s' will be replaced with file name)"),
3047                          prefs_common.mime_open_cmd,
3048                          prefs_common.mime_open_cmd_history,
3049                          &remember);
3050                 if (cmd && remember) {
3051                         mailcap_update_default("image/jpeg", cmd);
3052                 }
3053         }
3054         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
3055             !strchr(p + 2, '%'))
3056                 g_snprintf(buf, sizeof(buf), cmd, filepath);
3057         else {
3058                 g_warning("Image viewer command-line is invalid: '%s'", cmd);
3059                 g_free(filepath);
3060                 g_free(filename);
3061                 return;
3062         }
3063
3064         execute_command_line(buf, TRUE, NULL);
3065
3066         g_free(filepath);
3067         g_free(filename);
3068         g_free(cmd);
3069
3070         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
3071                           NULL);
3072 }
3073
3074 static void save_file_cb (GtkAction *action, TextView *textview)
3075 {
3076         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
3077                                            "menu_button");
3078         gchar *filename = NULL;
3079         gchar *filepath = NULL;
3080         gchar *filedir = NULL;
3081         gchar *tmp_filename = NULL;
3082         GtkWidget *window;
3083
3084         if (uri == NULL)
3085                 return;
3086
3087         if (uri->filename == NULL)
3088                 return;
3089
3090         filename = g_strdup(uri->filename);
3091
3092         if (!g_utf8_validate(filename, -1, NULL)) {
3093                 gchar *tmp = conv_filename_to_utf8(filename);
3094                 g_free(filename);
3095                 filename = tmp;
3096         }
3097
3098         subst_for_filename(filename);
3099
3100         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
3101                 filepath = g_strconcat(prefs_common.attach_save_dir,
3102                                        G_DIR_SEPARATOR_S, filename, NULL);
3103         else
3104                 filepath = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3105                                        filename, NULL);
3106
3107         g_free(filename);
3108
3109         /* Pick correct window to set the file dialog "transient for" */
3110         if (textview->messageview->window != NULL)
3111                 window = textview->messageview->window;
3112         else
3113                 window = textview->messageview->mainwin->window;
3114
3115         manage_window_focus_in(window, NULL, NULL);
3116
3117         filename = filesel_select_file_save(_("Save as"), filepath);
3118         if (!filename) {
3119                 g_free(filepath);
3120                 return;
3121         }
3122
3123         if (is_file_exist(filename)) {
3124                 AlertValue aval;
3125                 gchar *res;
3126
3127                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
3128                                       filename);
3129                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
3130                                   GTK_STOCK_OK, NULL, ALERTFOCUS_FIRST);
3131                 g_free(res);
3132                 if (G_ALERTALTERNATE != aval)
3133                         return;
3134         }
3135
3136         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
3137         copy_file(tmp_filename, filename, FALSE);
3138         g_free(tmp_filename);
3139
3140         filedir = g_path_get_dirname(filename);
3141         if (filedir && strcmp(filedir, ".")) {
3142                 g_free(prefs_common.attach_save_dir);
3143                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
3144         }
3145
3146         g_free(filedir);
3147         g_free(filepath);
3148
3149         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
3150                           NULL);
3151 }
3152
3153 static void copy_uri_cb (GtkAction *action, TextView *textview)
3154 {
3155         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
3156                                            "menu_button");
3157         const gchar *raw_url =  g_object_get_data(G_OBJECT(textview->link_popup_menu),
3158                                            "raw_url");
3159         if (uri) {
3160                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri, -1);
3161                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri, -1);
3162                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
3163                           NULL);
3164         }
3165         if (raw_url) {
3166                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), raw_url, -1);
3167                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), raw_url, -1);
3168                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
3169                           NULL);
3170         }
3171 }
3172
3173 static void add_uri_to_addrbook_cb (GtkAction *action, TextView *textview)
3174 {
3175         gchar *fromname, *fromaddress;
3176         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3177                                            "menu_button");
3178         AvatarRender *avatarr = NULL;
3179         GdkPixbuf *picture = NULL;
3180         gboolean use_picture = FALSE;
3181
3182         if (uri == NULL)
3183                 return;
3184
3185         /* extract url */
3186         fromaddress = g_strdup(uri->uri + 7);
3187
3188         if (textview->messageview->msginfo &&
3189            !g_strcmp0(fromaddress, textview->messageview->msginfo->from))
3190                 use_picture = TRUE;
3191
3192         fromname = procheader_get_fromname(fromaddress);
3193         extract_address(fromaddress);
3194
3195         if (use_picture) {
3196                 avatarr = avatars_avatarrender_new(textview->messageview->msginfo);
3197                 hooks_invoke(AVATAR_IMAGE_RENDER_HOOKLIST, avatarr);
3198         }
3199
3200         if (avatarr && avatarr->image) {
3201                 picture = gtk_image_get_pixbuf(GTK_IMAGE(avatarr->image));
3202         }
3203         if (avatarr) {
3204                 avatars_avatarrender_free(avatarr);
3205         }
3206
3207 #ifndef USE_ALT_ADDRBOOK
3208         addressbook_add_contact( fromname, fromaddress, NULL, picture);
3209 #else
3210         if (addressadd_selection(fromname, fromaddress, NULL, picture)) {
3211                 debug_print( "addressbook_add_contact - added\n" );
3212         }
3213 #endif
3214
3215         g_free(fromaddress);
3216         g_free(fromname);
3217 }
3218
3219 static void reply_to_uri_cb (GtkAction *action, TextView *textview)
3220 {
3221         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3222                                            "menu_button");
3223         if (!textview->messageview || !uri)
3224                 return;
3225
3226         compose_reply_to_address (textview->messageview,
3227                                   textview->messageview->msginfo, uri->uri+7);
3228 }
3229
3230 static void mail_to_uri_cb (GtkAction *action, TextView *textview)
3231 {
3232         PrefsAccount *account = NULL;
3233         Compose *compose;
3234         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3235                                            "menu_button");
3236         if (uri == NULL)
3237                 return;
3238
3239         if (textview->messageview && textview->messageview->msginfo &&
3240             textview->messageview->msginfo->folder) {
3241                 FolderItem   *folder_item;
3242
3243                 folder_item = textview->messageview->msginfo->folder;
3244                 if (folder_item->prefs && folder_item->prefs->enable_default_account)
3245                         account = account_find_from_id(folder_item->prefs->default_account);
3246
3247                 compose = compose_new_with_folderitem(account, folder_item, uri->uri+7);
3248         } else {
3249                 compose = compose_new(account, uri->uri + 7, NULL);
3250         }
3251         compose_check_for_email_account(compose);
3252 }
3253
3254 static void copy_mail_to_uri_cb (GtkAction *action, TextView *textview)
3255 {
3256         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3257                                            "menu_button");
3258         if (uri == NULL)
3259                 return;
3260
3261         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri +7, -1);
3262         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri +7, -1);
3263         g_object_set_data(G_OBJECT(textview->mail_popup_menu), "menu_button",
3264                           NULL);
3265 }
3266
3267 void textview_get_selection_offsets(TextView *textview, gint *sel_start, gint *sel_end)
3268 {
3269                 GtkTextView *text = GTK_TEXT_VIEW(textview->text);
3270                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
3271                 GtkTextIter start, end;
3272                 if (gtk_text_buffer_get_selection_bounds(buffer, &start, &end)) {
3273                         if (sel_start)
3274                                 *sel_start = gtk_text_iter_get_offset(&start);
3275                         if (sel_end)
3276                                 *sel_end = gtk_text_iter_get_offset(&end);
3277                 } else {
3278                         if (sel_start)
3279                                 *sel_start = -1;
3280                         if (sel_end)
3281                                 *sel_end = -1;
3282                 }
3283 }