src/textview.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2015 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_NEW_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
  73 static GdkColor quote_colors[3] = {
  74         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  75         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  76         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  77 };
  78
  79 static GdkColor quote_bgcolors[3] = {
  80         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  81         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  82         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  83 };
  84 static GdkColor signature_color = {
  85         (gulong)0,
  86         (gushort)0x7fff,
  87         (gushort)0x7fff,
  88         (gushort)0x7fff
  89 };
  90
  91 static GdkColor uri_color = {
  92         (gulong)0,
  93         (gushort)0,
  94         (gushort)0,
  95         (gushort)0
  96 };
  97
  98 static GdkColor emphasis_color = {
  99         (gulong)0,
 100         (gushort)0,
 101         (gushort)0,
 102         (gushort)0
 103 };
 104
 105 static GdkColor diff_added_color = {
 106         (gulong)0,
 107         (gushort)0,
 108         (gushort)0,
 109         (gushort)0
 110 };
 111
 112 static GdkColor diff_deleted_color = {
 113         (gulong)0,
 114         (gushort)0,
 115         (gushort)0,
 116         (gushort)0
 117 };
 118
 119 static GdkColor diff_hunk_color = {
 120         (gulong)0,
 121         (gushort)0,
 122         (gushort)0,
 123         (gushort)0
 124 };
 125
 126 static GdkCursor *hand_cursor = NULL;
 127 static GdkCursor *text_cursor = NULL;
 128 static GdkCursor *watch_cursor= NULL;
 129
 130 #define TEXTVIEW_STATUSBAR_PUSH(textview, str)                              \
 131 {       if (textview->messageview->statusbar)                               \
 132         gtk_statusbar_push(GTK_STATUSBAR(textview->messageview->statusbar), \
 133                            textview->messageview->statusbar_cid, str);      \
 134 }
 135
 136 #define TEXTVIEW_STATUSBAR_POP(textview)                                   \
 137 {       if (textview->messageview->statusbar)                              \
 138         gtk_statusbar_pop(GTK_STATUSBAR(textview->messageview->statusbar), \
 139                           textview->messageview->statusbar_cid);           \
 140 }
 141
 142 static void textview_show_ertf          (TextView       *textview,
 143                                          FILE           *fp,
 144                                          CodeConverter  *conv);
 145 static void textview_add_part           (TextView       *textview,
 146                                          MimeInfo       *mimeinfo);
 147 static void textview_add_parts          (TextView       *textview,
 148                                          MimeInfo       *mimeinfo);
 149 static void textview_write_body         (TextView       *textview,
 150                                          MimeInfo       *mimeinfo);
 151 static void textview_show_html          (TextView       *textview,
 152                                          FILE           *fp,
 153                                          CodeConverter  *conv);
 154
 155 static void textview_write_line         (TextView       *textview,
 156                                          const gchar    *str,
 157                                          CodeConverter  *conv,
 158                                          gboolean        do_quote_folding);
 159 static void textview_write_link         (TextView       *textview,
 160                                          const gchar    *str,
 161                                          const gchar    *uri,
 162                                          CodeConverter  *conv);
 163
 164 static GPtrArray *textview_scan_header  (TextView       *textview,
 165                                          FILE           *fp);
 166 static void textview_show_header        (TextView       *textview,
 167                                          GPtrArray      *headers);
 168
 169 static gint textview_key_pressed                (GtkWidget      *widget,
 170                                                  GdkEventKey    *event,
 171                                                  TextView       *textview);
 172 static gboolean textview_motion_notify          (GtkWidget      *widget,
 173                                                  GdkEventMotion *motion,
 174                                                  TextView       *textview);
 175 static gboolean textview_leave_notify           (GtkWidget        *widget,
 176                                                  GdkEventCrossing *event,
 177                                                  TextView         *textview);
 178 static gboolean textview_visibility_notify      (GtkWidget      *widget,
 179                                                  GdkEventVisibility *event,
 180                                                  TextView       *textview);
 181 static void textview_uri_update                 (TextView       *textview,
 182                                                  gint           x,
 183                                                  gint           y);
 184 static gboolean textview_get_uri_range          (TextView       *textview,
 185                                                  GtkTextIter    *iter,
 186                                                  GtkTextTag     *tag,
 187                                                  GtkTextIter    *start_iter,
 188                                                  GtkTextIter    *end_iter);
 189 static ClickableText *textview_get_uri_from_range       (TextView       *textview,
 190                                                  GtkTextIter    *iter,
 191                                                  GtkTextTag     *tag,
 192                                                  GtkTextIter    *start_iter,
 193                                                  GtkTextIter    *end_iter);
 194 static ClickableText *textview_get_uri          (TextView       *textview,
 195                                                  GtkTextIter    *iter,
 196                                                  GtkTextTag     *tag);
 197 static gboolean textview_uri_button_pressed     (GtkTextTag     *tag,
 198                                                  GObject        *obj,
 199                                                  GdkEvent       *event,
 200                                                  GtkTextIter    *iter,
 201                                                  TextView       *textview);
 202
 203 static void textview_uri_list_remove_all        (GSList         *uri_list);
 204
 205 static void textview_toggle_quote               (TextView       *textview,
 206                                                  GSList         *start_list,
 207                                                  ClickableText  *uri,
 208                                                  gboolean        expand_only);
 209
 210 static void open_uri_cb                         (GtkAction      *action,
 211                                                  TextView       *textview);
 212 static void copy_uri_cb                         (GtkAction      *action,
 213                                                  TextView       *textview);
 214 static void add_uri_to_addrbook_cb              (GtkAction      *action,
 215                                                  TextView       *textview);
 216 static void reply_to_uri_cb                     (GtkAction      *action,
 217                                                  TextView       *textview);
 218 static void mail_to_uri_cb                      (GtkAction      *action,
 219                                                  TextView       *textview);
 220 static void copy_mail_to_uri_cb                 (GtkAction      *action,
 221                                                  TextView       *textview);
 222 static void save_file_cb                        (GtkAction      *action,
 223                                                  TextView       *textview);
 224 static void open_image_cb                       (GtkAction      *action,
 225                                                  TextView       *textview);
 226 static void textview_show_tags(TextView *textview);
 227
 228 static GtkActionEntry textview_link_popup_entries[] =
 229 {
 230         {"TextviewPopupLink",                   NULL, "TextviewPopupLink" },
 231         {"TextviewPopupLink/Open",              NULL, N_("_Open in web browser"), NULL, NULL, G_CALLBACK(open_uri_cb) },
 232         {"TextviewPopupLink/Copy",              NULL, N_("Copy this _link"), NULL, NULL, G_CALLBACK(copy_uri_cb) },
 233 };
 234
 235 static GtkActionEntry textview_mail_popup_entries[] =
 236 {
 237         {"TextviewPopupMail",                   NULL, "TextviewPopupMail" },
 238         {"TextviewPopupMail/Compose",           NULL, N_("Compose _new message"), NULL, NULL, G_CALLBACK(mail_to_uri_cb) },
 239         {"TextviewPopupMail/ReplyTo",           NULL, N_("_Reply to this address"), NULL, NULL, G_CALLBACK(reply_to_uri_cb) },
 240         {"TextviewPopupMail/AddAB",             NULL, N_("Add to _Address book"), NULL, NULL, G_CALLBACK(add_uri_to_addrbook_cb) },
 241         {"TextviewPopupMail/Copy",              NULL, N_("Copy this add_ress"), NULL, NULL, G_CALLBACK(copy_mail_to_uri_cb) },
 242 };
 243
 244 static GtkActionEntry textview_file_popup_entries[] =
 245 {
 246         {"TextviewPopupFile",                   NULL, "TextviewPopupFile" },
 247         {"TextviewPopupFile/Open",              NULL, N_("_Open image"), NULL, NULL, G_CALLBACK(open_image_cb) },
 248         {"TextviewPopupFile/Save",              NULL, N_("_Save image..."), NULL, NULL, G_CALLBACK(save_file_cb) },
 249 };
 250
 251 static void scrolled_cb (GtkAdjustment *adj, TextView *textview)
 252 {
 253 #ifndef WIDTH
 254 #  define WIDTH 48
 255 #  define HEIGHT 48
 256 #endif
 257         if (textview->image) {
 258                 GtkAllocation allocation;
 259                 gint x, y, x1;
 260                 gtk_widget_get_allocation(textview->text, &allocation);
 261                 x1 = allocation.width - WIDTH - 5;
 262                 gtk_text_view_buffer_to_window_coords(
 263                         GTK_TEXT_VIEW(textview->text),
 264                         GTK_TEXT_WINDOW_TEXT, x1, 5, &x, &y);
 265                 gtk_text_view_move_child(GTK_TEXT_VIEW(textview->text),
 266                         textview->image, x1, y);
 267         }
 268 }
 269
 270 static void textview_size_allocate_cb   (GtkWidget      *widget,
 271                                          GtkAllocation  *allocation,
 272                                          gpointer        data)
 273 {
 274         scrolled_cb(NULL, (TextView *)data);
 275 }
 276
 277 TextView *textview_create(void)
 278 {
 279         TextView *textview;
 280         GtkWidget *vbox;
 281         GtkWidget *scrolledwin;
 282         GtkWidget *text;
 283         GtkTextBuffer *buffer;
 284         GtkClipboard *clipboard;
 285         GtkAdjustment *adj;
 286
 287         debug_print("Creating text view...\n");
 288         textview = g_new0(TextView, 1);
 289
 290         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 291         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 292                                        GTK_POLICY_AUTOMATIC,
 293                                        GTK_POLICY_AUTOMATIC);
 294         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 295                                             GTK_SHADOW_IN);
 296         gtk_widget_set_size_request
 297                 (scrolledwin, prefs_common.mainview_width, -1);
 298
 299         /* create GtkSText widgets for single-byte and multi-byte character */
 300         text = gtk_text_view_new();
 301         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 302         gtk_widget_show(text);
 303         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 304         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD_CHAR);
 305         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 306         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 307         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 308
 309         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 310         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 311         gtk_text_buffer_add_selection_clipboard(buffer, clipboard);
 312
 313         gtk_widget_ensure_style(text);
 314
 315         g_object_ref(scrolledwin);
 316
 317         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 318
 319         g_signal_connect(G_OBJECT(text), "key-press-event",
 320                          G_CALLBACK(textview_key_pressed), textview);
 321         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 322                          G_CALLBACK(textview_motion_notify), textview);
 323         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 324                          G_CALLBACK(textview_leave_notify), textview);
 325         g_signal_connect(G_OBJECT(text), "visibility-notify-event",
 326                          G_CALLBACK(textview_visibility_notify), textview);
 327         adj = gtk_scrolled_window_get_vadjustment(
 328                 GTK_SCROLLED_WINDOW(scrolledwin));
 329         g_signal_connect(G_OBJECT(adj), "value-changed",
 330                          G_CALLBACK(scrolled_cb), textview);
 331         g_signal_connect(G_OBJECT(text), "size_allocate",
 332                          G_CALLBACK(textview_size_allocate_cb),
 333                          textview);
 334
 335
 336         gtk_widget_show(scrolledwin);
 337
 338         vbox = gtk_vbox_new(FALSE, 0);
 339         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 340
 341         gtk_widget_show(vbox);
 342
 343
 344         textview->ui_manager = gtk_ui_manager_new();
 345         textview->link_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 346                         "TextviewPopupLink",
 347                         textview_link_popup_entries,
 348                         G_N_ELEMENTS(textview_link_popup_entries), (gpointer)textview);
 349         textview->mail_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 350                         "TextviewPopupMail",
 351                         textview_mail_popup_entries,
 352                         G_N_ELEMENTS(textview_mail_popup_entries), (gpointer)textview);
 353         textview->file_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 354                         "TextviewPopupFile",
 355                         textview_file_popup_entries,
 356                         G_N_ELEMENTS(textview_file_popup_entries), (gpointer)textview);
 357
 358         MENUITEM_ADDUI_MANAGER(textview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 359         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 360                         "/Menus", "TextviewPopupLink", "TextviewPopupLink", GTK_UI_MANAGER_MENU)
 361         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 362                         "/Menus", "TextviewPopupMail", "TextviewPopupMail", GTK_UI_MANAGER_MENU)
 363         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 364                         "/Menus", "TextviewPopupFile", "TextviewPopupFile", GTK_UI_MANAGER_MENU)
 365
 366         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 367                         "/Menus/TextviewPopupLink", "Open", "TextviewPopupLink/Open", GTK_UI_MANAGER_MENUITEM)
 368         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 369                         "/Menus/TextviewPopupLink", "Copy", "TextviewPopupLink/Copy", GTK_UI_MANAGER_MENUITEM)
 370         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 371                         "/Menus/TextviewPopupMail", "Compose", "TextviewPopupMail/Compose", GTK_UI_MANAGER_MENUITEM)
 372         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 373                         "/Menus/TextviewPopupMail", "ReplyTo", "TextviewPopupMail/ReplyTo", GTK_UI_MANAGER_MENUITEM)
 374         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 375                         "/Menus/TextviewPopupMail", "AddAB", "TextviewPopupMail/AddAB", GTK_UI_MANAGER_MENUITEM)
 376         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 377                         "/Menus/TextviewPopupMail", "Copy", "TextviewPopupMail/Copy", GTK_UI_MANAGER_MENUITEM)
 378         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 379                         "/Menus/TextviewPopupFile", "Open", "TextviewPopupFile/Open", GTK_UI_MANAGER_MENUITEM)
 380         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 381                         "/Menus/TextviewPopupFile", "Save", "TextviewPopupFile/Save", GTK_UI_MANAGER_MENUITEM)
 382
 383         textview->link_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 384                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupLink")) );
 385         textview->mail_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 386                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupMail")) );
 387         textview->file_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 388                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupFile")) );
 389
 390         textview->vbox               = vbox;
 391         textview->scrolledwin        = scrolledwin;
 392         textview->text               = text;
 393         textview->uri_list           = NULL;
 394         textview->body_pos           = 0;
 395         textview->last_buttonpress   = GDK_NOTHING;
 396         textview->image              = NULL;
 397         return textview;
 398 }
 399
 400 static void textview_create_tags(GtkTextView *text, TextView *textview)
 401 {
 402         GtkTextBuffer *buffer;
 403         GtkTextTag *tag, *qtag;
 404 #if !GTK_CHECK_VERSION(3, 0, 0)
 405         static GdkColor yellow, black;
 406         static gboolean color_init = FALSE;
 407 #else
 408         static GdkColor yellow = { (guint32)0, (guint16)0xf5, (guint16)0xf6, (guint16)0xbe };
 409         static GdkColor black = { (guint32)0, (guint16)0x0, (guint16)0x0, (guint16)0x0 };
 410 #endif
 411         static PangoFontDescription *font_desc, *bold_font_desc;
 412
 413 #if !GTK_CHECK_VERSION(3, 0, 0)
 414         if (!color_init) {
 415                 gdk_color_parse("#f5f6be", &yellow);
 416                 gdk_color_parse("#000000", &black);
 417                 color_init = gdk_colormap_alloc_color(
 418                         gdk_colormap_get_system(), &yellow, FALSE, TRUE);
 419                 color_init &= gdk_colormap_alloc_color(
 420                         gdk_colormap_get_system(), &black, FALSE, TRUE);
 421         }
 422 #endif
 423
 424         if (!font_desc)
 425                 font_desc = pango_font_description_from_string
 426                         (NORMAL_FONT);
 427
 428         if (!bold_font_desc) {
 429                 if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
 430                         bold_font_desc = pango_font_description_from_string
 431                                 (NORMAL_FONT);
 432                         pango_font_description_set_weight
 433                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
 434                 } else {
 435                         bold_font_desc = pango_font_description_from_string
 436                                 (BOLD_FONT);
 437                 }
 438         }
 439
 440         buffer = gtk_text_view_get_buffer(text);
 441
 442         gtk_text_buffer_create_tag(buffer, "header",
 443                                    "pixels-above-lines", 0,
 444                                    "pixels-above-lines-set", TRUE,
 445                                    "pixels-below-lines", 0,
 446                                    "pixels-below-lines-set", TRUE,
 447                                    "font-desc", font_desc,
 448                                    "left-margin", 3,
 449                                    "left-margin-set", TRUE,
 450                                    NULL);
 451         gtk_text_buffer_create_tag(buffer, "header_title",
 452                                    "font-desc", bold_font_desc,
 453                                    NULL);
 454         tag = gtk_text_buffer_create_tag(buffer, "hlink",
 455                                    "pixels-above-lines", 0,
 456                                    "pixels-above-lines-set", TRUE,
 457                                    "pixels-below-lines", 0,
 458                                    "pixels-below-lines-set", TRUE,
 459                                    "font-desc", font_desc,
 460                                    "left-margin", 3,
 461                                    "left-margin-set", TRUE,
 462                                    "foreground-gdk", &uri_color,
 463                                    NULL);
 464         g_signal_connect(G_OBJECT(tag), "event",
 465                          G_CALLBACK(textview_uri_button_pressed), textview);
 466         if (prefs_common.enable_bgcolor) {
 467                 gtk_text_buffer_create_tag(buffer, "quote0",
 468                                 "foreground-gdk", &quote_colors[0],
 469                                 "paragraph-background-gdk", &quote_bgcolors[0],
 470                                 NULL);
 471                 gtk_text_buffer_create_tag(buffer, "quote1",
 472                                 "foreground-gdk", &quote_colors[1],
 473                                 "paragraph-background-gdk", &quote_bgcolors[1],
 474                                 NULL);
 475                 gtk_text_buffer_create_tag(buffer, "quote2",
 476                                 "foreground-gdk", &quote_colors[2],
 477                                 "paragraph-background-gdk", &quote_bgcolors[2],
 478                                 NULL);
 479         } else {
 480                 gtk_text_buffer_create_tag(buffer, "quote0",
 481                                 "foreground-gdk", &quote_colors[0],
 482                                 NULL);
 483                 gtk_text_buffer_create_tag(buffer, "quote1",
 484                                 "foreground-gdk", &quote_colors[1],
 485                                 NULL);
 486                 gtk_text_buffer_create_tag(buffer, "quote2",
 487                                 "foreground-gdk", &quote_colors[2],
 488                                 NULL);
 489         }
 490         gtk_text_buffer_create_tag(buffer, "tags",
 491                         "foreground-gdk", &black,
 492                         "paragraph-background-gdk", &yellow,
 493                         NULL);
 494         gtk_text_buffer_create_tag(buffer, "emphasis",
 495                         "foreground-gdk", &emphasis_color,
 496                         NULL);
 497         gtk_text_buffer_create_tag(buffer, "signature",
 498                         "foreground-gdk", &signature_color,
 499                         NULL);
 500         tag = gtk_text_buffer_create_tag(buffer, "link",
 501                         "foreground-gdk", &uri_color,
 502                         NULL);
 503         qtag = gtk_text_buffer_create_tag(buffer, "qlink",
 504                         NULL);
 505         gtk_text_buffer_create_tag(buffer, "link-hover",
 506                         "underline", PANGO_UNDERLINE_SINGLE,
 507                         NULL);
 508         gtk_text_buffer_create_tag(buffer, "diff-add",
 509                         "foreground-gdk", &diff_added_color,
 510                         NULL);
 511         gtk_text_buffer_create_tag(buffer, "diff-del",
 512                         "foreground-gdk", &diff_deleted_color,
 513                         NULL);
 514         gtk_text_buffer_create_tag(buffer, "diff-add-file",
 515                         "foreground-gdk", &diff_added_color,
 516                         "weight", PANGO_WEIGHT_BOLD,
 517                         NULL);
 518         gtk_text_buffer_create_tag(buffer, "diff-del-file",
 519                         "foreground-gdk", &diff_deleted_color,
 520                         "weight", PANGO_WEIGHT_BOLD,
 521                         NULL);
 522         gtk_text_buffer_create_tag(buffer, "diff-hunk",
 523                         "foreground-gdk", &diff_hunk_color,
 524                         "weight", PANGO_WEIGHT_BOLD,
 525                         NULL);
 526         g_signal_connect(G_OBJECT(qtag), "event",
 527                          G_CALLBACK(textview_uri_button_pressed), textview);
 528         g_signal_connect(G_OBJECT(tag), "event",
 529                          G_CALLBACK(textview_uri_button_pressed), textview);
 530 /*      if (font_desc)
 531                 pango_font_description_free(font_desc);
 532         if (bold_font_desc)
 533                 pango_font_description_free(bold_font_desc);*/
 534  }
 535
 536 void textview_init(TextView *textview)
 537 {
 538         if (!hand_cursor)
 539                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 540         if (!text_cursor)
 541                 text_cursor = gdk_cursor_new(GDK_XTERM);
 542         if (!watch_cursor)
 543                 watch_cursor = gdk_cursor_new(GDK_WATCH);
 544
 545         textview_reflect_prefs(textview);
 546         textview_set_font(textview, NULL);
 547         textview_create_tags(GTK_TEXT_VIEW(textview->text), textview);
 548 }
 549
 550  #define CHANGE_TAG_COLOR(tagname, colorfg, colorbg) { \
 551         tag = gtk_text_tag_table_lookup(tags, tagname); \
 552         if (tag) \
 553                 g_object_set(G_OBJECT(tag), "foreground-gdk", colorfg, "paragraph-background-gdk", colorbg, NULL); \
 554  }
 555
 556 static void textview_update_message_colors(TextView *textview)
 557 {
 558         GdkColor black = {0, 0, 0, 0};
 559         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
 560
 561         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
 562         GtkTextTag *tag = NULL;
 563
 564         quote_bgcolors[0] = quote_bgcolors[1] = quote_bgcolors[2] = black;
 565         quote_colors[0] = quote_colors[1] = quote_colors[2] = black;
 566         uri_color = emphasis_color = signature_color = diff_added_color =
 567                 diff_deleted_color = diff_hunk_color = black;
 568
 569         if (prefs_common.enable_color) {
 570                 /* grab the quote colors, converting from an int to a GdkColor */
 571                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
 572                                                &quote_colors[0]);
 573                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
 574                                                &quote_colors[1]);
 575                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
 576                                                &quote_colors[2]);
 577                 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
 578                                                &uri_color);
 579                 gtkut_convert_int_to_gdk_color(prefs_common.signature_col,
 580                                                &signature_color);
 581                 gtkut_convert_int_to_gdk_color(prefs_common.emphasis_col,
 582                                                &emphasis_color);
 583                 gtkut_convert_int_to_gdk_color(prefs_common.diff_added_color,
 584                                                &diff_added_color);
 585                 gtkut_convert_int_to_gdk_color(prefs_common.diff_deleted_color,
 586                                                &diff_deleted_color);
 587                 gtkut_convert_int_to_gdk_color(prefs_common.diff_hunk_color,
 588                                                &diff_hunk_color);
 589         }
 590         if (prefs_common.enable_color && prefs_common.enable_bgcolor) {
 591                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_bgcol,
 592                                                    &quote_bgcolors[0]);
 593                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_bgcol,
 594                                                    &quote_bgcolors[1]);
 595                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_bgcol,
 596                                                    &quote_bgcolors[2]);
 597                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], &quote_bgcolors[0]);
 598                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], &quote_bgcolors[1]);
 599                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], &quote_bgcolors[2]);
 600         } else {
 601                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], NULL);
 602                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], NULL);
 603                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], NULL);
 604         }
 605
 606         CHANGE_TAG_COLOR("emphasis", &emphasis_color, NULL);
 607         CHANGE_TAG_COLOR("signature", &signature_color, NULL);
 608         CHANGE_TAG_COLOR("link", &uri_color, NULL);
 609         CHANGE_TAG_COLOR("link-hover", &uri_color, NULL);
 610         CHANGE_TAG_COLOR("diff-add", &diff_added_color, NULL);
 611         CHANGE_TAG_COLOR("diff-del", &diff_deleted_color, NULL);
 612         CHANGE_TAG_COLOR("diff-add-file", &diff_added_color, NULL);
 613         CHANGE_TAG_COLOR("diff-del-file", &diff_deleted_color, NULL);
 614         CHANGE_TAG_COLOR("diff-hunk", &diff_hunk_color, NULL);
 615 }
 616 #undef CHANGE_TAG_COLOR
 617
 618 void textview_reflect_prefs(TextView *textview)
 619 {
 620         textview_set_font(textview, NULL);
 621         textview_update_message_colors(textview);
 622         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textview->text),
 623                                          prefs_common.textview_cursor_visible);
 624 }
 625
 626 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
 627 {
 628         START_TIMING("");
 629         cm_return_if_fail(mimeinfo != NULL);
 630         cm_return_if_fail(fp != NULL);
 631
 632         textview->loading = TRUE;
 633         textview->stop_loading = FALSE;
 634
 635         textview_clear(textview);
 636
 637         if (mimeinfo->type == MIMETYPE_MULTIPART ||
 638             (mimeinfo->type == MIMETYPE_MESSAGE && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822"))) {
 639                 textview_add_parts(textview, mimeinfo);
 640         } else {
 641                 if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0)
 642                         perror("fseek");
 643
 644                 textview_write_body(textview, mimeinfo);
 645         }
 646
 647         textview->loading = FALSE;
 648         textview->stop_loading = FALSE;
 649         textview_set_position(textview, 0);
 650
 651         END_TIMING();
 652 }
 653
 654 static void textview_add_part(TextView *textview, MimeInfo *mimeinfo)
 655 {
 656         GtkAllocation allocation;
 657         GtkTextView *text;
 658         GtkTextBuffer *buffer;
 659         GtkTextIter iter, start_iter;
 660         gchar buf[BUFFSIZE];
 661         GPtrArray *headers = NULL;
 662         const gchar *name;
 663         gchar *content_type;
 664         gint charcount;
 665
 666         START_TIMING("");
 667
 668         cm_return_if_fail(mimeinfo != NULL);
 669         text = GTK_TEXT_VIEW(textview->text);
 670         buffer = gtk_text_view_get_buffer(text);
 671         charcount = gtk_text_buffer_get_char_count(buffer);
 672         gtk_text_buffer_get_end_iter(buffer, &iter);
 673
 674         if (textview->stop_loading) {
 675                 return;
 676         }
 677         if (mimeinfo->type == MIMETYPE_MULTIPART) {
 678                 END_TIMING();
 679                 return;
 680         }
 681
 682         textview->prev_quote_level = -1;
 683
 684         if ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822")) {
 685                 FILE *fp;
 686                 if (mimeinfo->content == MIMECONTENT_MEM)
 687                         fp = str_open_as_stream(mimeinfo->data.mem);
 688                 else
 689                         fp = g_fopen(mimeinfo->data.filename, "rb");
 690                 if (!fp) {
 691                         FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
 692                         END_TIMING();
 693                         return;
 694                 }
 695                 if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0) {
 696                         FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
 697                         fclose(fp);
 698                         END_TIMING();
 699                         return;
 700                 }
 701                 headers = textview_scan_header(textview, fp);
 702                 if (headers) {
 703                         if (charcount > 0)
 704                                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 705
 706                         if (procmime_mimeinfo_parent(mimeinfo) == NULL)
 707                                 textview_show_tags(textview);
 708                         textview_show_header(textview, headers);
 709                         procheader_header_array_destroy(headers);
 710                 }
 711                 fclose(fp);
 712                 END_TIMING();
 713                 return;
 714         }
 715
 716         name = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
 717         content_type = procmime_get_content_type_str(mimeinfo->type,
 718                                                      mimeinfo->subtype);
 719         if (name == NULL)
 720                 name = procmime_mimeinfo_get_parameter(mimeinfo, "name");
 721         if (name != NULL)
 722                 g_snprintf(buf, sizeof(buf), _("[%s  %s (%d bytes)]"),
 723                            name, content_type, mimeinfo->length);
 724         else
 725                 g_snprintf(buf, sizeof(buf), _("[%s (%d bytes)]"),
 726                            content_type, mimeinfo->length);
 727
 728         g_free(content_type);
 729
 730         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
 731         || (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
 732             mimeinfo->type != MIMETYPE_TEXT)) {
 733                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 734                 TEXTVIEW_INSERT_LINK(buf, "sc://select_attachment", mimeinfo);
 735                 gtk_text_buffer_insert(buffer, &iter, " \n", -1);
 736                 if (mimeinfo->type == MIMETYPE_IMAGE  &&
 737                     prefs_common.inline_img ) {
 738                         GdkPixbuf *pixbuf;
 739                         GError *error = NULL;
 740                         gchar *filename;
 741                         ClickableText *uri;
 742                         gchar *uri_str;
 743                         gint err;
 744                         START_TIMING("inserting image");
 745
 746                         filename = procmime_get_tmp_file_name(mimeinfo);
 747
 748                         if ((err = procmime_get_part(filename, mimeinfo)) < 0) {
 749                                 g_warning("Can't get the image file.(%s)", g_strerror(-err));
 750                                 g_free(filename);
 751                                 END_TIMING();
 752                                 return;
 753                         }
 754
 755                         pixbuf = gdk_pixbuf_new_from_file(filename, &error);
 756                         if (textview->stop_loading) {
 757                                 return;
 758                         }
 759                         if (error != NULL) {
 760                                 g_warning("%s", error->message);
 761                                 g_error_free(error);
 762                         }
 763                         if (!pixbuf) {
 764                                 g_warning("Can't load the image.");
 765                                 g_free(filename);
 766                                 END_TIMING();
 767                                 return;
 768                         }
 769
 770                         gtk_widget_get_allocation(textview->scrolledwin, &allocation);
 771                         pixbuf = claws_load_pixbuf_fitting(pixbuf,
 772                                         allocation.width,
 773                                         allocation.height);
 774
 775                         if (textview->stop_loading) {
 776                                 return;
 777                         }
 778
 779                         uri_str = g_filename_to_uri(filename, NULL, NULL);
 780                         if (uri_str) {
 781                                 uri = g_new0(ClickableText, 1);
 782                                 uri->uri = uri_str;
 783                                 uri->start = gtk_text_iter_get_offset(&iter);
 784
 785                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 786                                 if (textview->stop_loading) {
 787                                         g_free(uri);
 788                                         return;
 789                                 }
 790                                 uri->end = uri->start + 1;
 791                                 uri->filename = procmime_get_part_file_name(mimeinfo);
 792                                 textview->uri_list =
 793                                         g_slist_prepend(textview->uri_list, uri);
 794
 795                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 796                                 gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, uri->start);
 797                                 gtk_text_buffer_apply_tag_by_name(buffer, "link",
 798                                                 &start_iter, &iter);
 799                         } else {
 800                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 801                                 if (textview->stop_loading) {
 802                                         return;
 803                                 }
 804                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 805                         }
 806
 807                         g_object_unref(pixbuf);
 808                         g_free(filename);
 809                         END_TIMING();
 810                         GTK_EVENTS_FLUSH();
 811                 }
 812         } else if (mimeinfo->type == MIMETYPE_TEXT) {
 813                 if (prefs_common.display_header && (charcount > 0))
 814                         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 815
 816                 if (!gtk_text_buffer_get_mark(buffer, "body_start")) {
 817                         gtk_text_buffer_get_end_iter(buffer, &iter);
 818                         gtk_text_buffer_create_mark(buffer, "body_start", &iter, TRUE);
 819                 }
 820
 821                 textview_write_body(textview, mimeinfo);
 822
 823                 if (!gtk_text_buffer_get_mark(buffer, "body_end")) {
 824                         gtk_text_buffer_get_end_iter(buffer, &iter);
 825                         gtk_text_buffer_create_mark(buffer, "body_end", &iter, TRUE);
 826                 }
 827         }
 828         END_TIMING();
 829 }
 830
 831 static void recursive_add_parts(TextView *textview, GNode *node)
 832 {
 833         GNode * iter;
 834         MimeInfo *mimeinfo;
 835         START_TIMING("");
 836
 837         mimeinfo = (MimeInfo *) node->data;
 838
 839         textview_add_part(textview, mimeinfo);
 840 #ifdef GENERIC_UMPC
 841         textview_set_position(textview, 0);
 842 #endif
 843         if ((mimeinfo->type != MIMETYPE_MULTIPART) &&
 844             (mimeinfo->type != MIMETYPE_MESSAGE)) {
 845                 END_TIMING();
 846                 return;
 847         }
 848         if (g_ascii_strcasecmp(mimeinfo->subtype, "alternative") == 0) {
 849                 GNode * prefered_body;
 850                 int prefered_score;
 851
 852                 /*
 853                   text/plain : score 3
 854                   text/ *    : score 2
 855                   other      : score 1
 856                 */
 857                 prefered_body = NULL;
 858                 prefered_score = 0;
 859
 860                 for (iter = g_node_first_child(node) ; iter != NULL ;
 861                      iter = g_node_next_sibling(iter)) {
 862                         int score;
 863                         MimeInfo * submime;
 864
 865                         score = 1;
 866                         submime = (MimeInfo *) iter->data;
 867                         if (submime->type == MIMETYPE_TEXT)
 868                                 score = 2;
 869
 870                         if (submime->subtype != NULL) {
 871                                 if (g_ascii_strcasecmp(submime->subtype, "plain") == 0)
 872                                         score = 3;
 873                         }
 874
 875                         if (score > prefered_score) {
 876                                 prefered_score = score;
 877                                 prefered_body = iter;
 878                         }
 879                 }
 880
 881                 if (prefered_body != NULL) {
 882                         recursive_add_parts(textview, prefered_body);
 883                 }
 884         }
 885         else {
 886                 for (iter = g_node_first_child(node) ; iter != NULL ;
 887                      iter = g_node_next_sibling(iter)) {
 888                         recursive_add_parts(textview, iter);
 889                 }
 890         }
 891         END_TIMING();
 892 }
 893
 894 static void textview_add_parts(TextView *textview, MimeInfo *mimeinfo)
 895 {
 896         cm_return_if_fail(mimeinfo != NULL);
 897
 898         recursive_add_parts(textview, mimeinfo->node);
 899 }
 900
 901 void textview_show_error(TextView *textview)
 902 {
 903         GtkTextView *text;
 904         GtkTextBuffer *buffer;
 905         GtkTextIter iter;
 906
 907         textview_set_font(textview, NULL);
 908         textview_clear(textview);
 909
 910         text = GTK_TEXT_VIEW(textview->text);
 911         buffer = gtk_text_view_get_buffer(text);
 912         gtk_text_buffer_get_start_iter(buffer, &iter);
 913
 914         TEXTVIEW_INSERT(_("\n"
 915                       "  This message can't be displayed.\n"
 916                       "  This is probably due to a network error.\n"
 917                       "\n"
 918                       "  Use "));
 919         TEXTVIEW_INSERT_LINK(_("'Network Log'"), "sc://view_log", NULL);
 920         TEXTVIEW_INSERT(_(" in the Tools menu for more information."));
 921         textview_show_icon(textview, GTK_STOCK_DIALOG_ERROR);
 922 }
 923
 924 void textview_show_info(TextView *textview, const gchar *info_str)
 925 {
 926         GtkTextView *text;
 927         GtkTextBuffer *buffer;
 928         GtkTextIter iter;
 929
 930         textview_set_font(textview, NULL);
 931         textview_clear(textview);
 932
 933         text = GTK_TEXT_VIEW(textview->text);
 934         buffer = gtk_text_view_get_buffer(text);
 935         gtk_text_buffer_get_start_iter(buffer, &iter);
 936
 937         TEXTVIEW_INSERT(info_str);
 938         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
 939         textview_cursor_normal(textview);
 940 }
 941
 942 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
 943 {
 944         GtkTextView *text;
 945         GtkTextBuffer *buffer;
 946         GtkTextIter iter;
 947         const gchar *name;
 948         gchar *content_type, *shortcut;
 949         GtkUIManager *ui_manager;
 950
 951         if (!partinfo) return;
 952
 953         if (textview->messageview->window != NULL)
 954                 ui_manager = textview->messageview->ui_manager;
 955         else
 956                 ui_manager = textview->messageview->mainwin->ui_manager;
 957
 958         textview_set_font(textview, NULL);
 959         textview_clear(textview);
 960
 961         text = GTK_TEXT_VIEW(textview->text);
 962         buffer = gtk_text_view_get_buffer(text);
 963         gtk_text_buffer_get_start_iter(buffer, &iter);
 964
 965         TEXTVIEW_INSERT("\n");
 966
 967         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 968         if (name == NULL)
 969                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 970         if (name != NULL) {
 971                 content_type = procmime_get_content_type_str(partinfo->type,
 972                                                      partinfo->subtype);
 973                 TEXTVIEW_INSERT("  ");
 974                 TEXTVIEW_INSERT_BOLD(name);
 975                 TEXTVIEW_INSERT(" (");
 976                 TEXTVIEW_INSERT(content_type);
 977                 TEXTVIEW_INSERT(", ");
 978                 TEXTVIEW_INSERT(to_human_readable((goffset)partinfo->length));
 979                 TEXTVIEW_INSERT("):\n\n");
 980
 981                 g_free(content_type);
 982         }
 983         TEXTVIEW_INSERT(_("  The following can be performed on this part\n"));
 984 #ifndef GENERIC_UMPC
 985         TEXTVIEW_INSERT(_("  by right-clicking the icon or list item:"));
 986 #endif
 987         TEXTVIEW_INSERT("\n");
 988
 989         TEXTVIEW_INSERT(_("     - To save, select "));
 990         TEXTVIEW_INSERT_LINK(_("'Save as...'"), "sc://save_as", NULL);
 991 #ifndef GENERIC_UMPC
 992         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
 993         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/File/SavePartAs");
 994         TEXTVIEW_INSERT(shortcut);
 995         g_free(shortcut);
 996         TEXTVIEW_INSERT("')");
 997 #endif
 998         TEXTVIEW_INSERT("\n");
 999
1000         TEXTVIEW_INSERT(_("     - To display as text, select "));
1001         TEXTVIEW_INSERT_LINK(_("'Display as text'"), "sc://display_as_text", NULL);
1002
1003 #ifndef GENERIC_UMPC
1004         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
1005         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/AsText");
1006         TEXTVIEW_INSERT(shortcut);
1007         g_free(shortcut);
1008         TEXTVIEW_INSERT("')");
1009 #endif
1010         TEXTVIEW_INSERT("\n");
1011
1012         TEXTVIEW_INSERT(_("     - To open with an external program, select "));
1013         TEXTVIEW_INSERT_LINK(_("'Open'"), "sc://open", NULL);
1014
1015 #ifndef GENERIC_UMPC
1016         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
1017         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/Open");
1018         TEXTVIEW_INSERT(shortcut);
1019         g_free(shortcut);
1020         TEXTVIEW_INSERT("')\n");
1021         TEXTVIEW_INSERT(_("       (alternately double-click, or click the middle "));
1022         TEXTVIEW_INSERT(_("mouse button)\n"));
1023 #ifndef G_OS_WIN32
1024         TEXTVIEW_INSERT(_("     - Or use "));
1025         TEXTVIEW_INSERT_LINK(_("'Open with...'"), "sc://open_with", NULL);
1026         TEXTVIEW_INSERT(_(" (Shortcut key: '"));
1027         shortcut = cm_menu_item_get_shortcut(ui_manager, "Menu/View/Part/OpenWith");
1028         TEXTVIEW_INSERT(shortcut);
1029         g_free(shortcut);
1030         TEXTVIEW_INSERT("')");
1031 #endif
1032 #endif
1033         TEXTVIEW_INSERT("\n");
1034
1035         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
1036 }
1037
1038 static void textview_write_body(TextView *textview, MimeInfo *mimeinfo)
1039 {
1040         FILE *tmpfp;
1041         gchar buf[BUFFSIZE];
1042         CodeConverter *conv;
1043         const gchar *charset, *p, *cmd;
1044         GSList *cur;
1045         gboolean continue_write = TRUE;
1046         size_t wrote = 0, i = 0;
1047
1048         if (textview->messageview->forced_charset)
1049                 charset = textview->messageview->forced_charset;
1050         else {
1051                 /* use supersets transparently when possible */
1052                 charset = procmime_mimeinfo_get_parameter(mimeinfo, "charset");
1053                 if (charset && !strcasecmp(charset, CS_ISO_8859_1))
1054                         charset = CS_WINDOWS_1252;
1055                 else if (charset && !strcasecmp(charset, CS_X_GBK))
1056                         charset = CS_GB18030;
1057                 else if (charset && !strcasecmp(charset, CS_GBK))
1058                         charset = CS_GB18030;
1059                 else if (charset && !strcasecmp(charset, CS_GB2312))
1060                         charset = CS_GB18030;
1061         }
1062
1063         textview_set_font(textview, charset);
1064
1065         conv = conv_code_converter_new(charset);
1066
1067         procmime_force_encoding(textview->messageview->forced_encoding);
1068
1069         textview->is_in_signature = FALSE;
1070         textview->is_diff = FALSE;
1071
1072         procmime_decode_content(mimeinfo);
1073
1074         if (!g_ascii_strcasecmp(mimeinfo->subtype, "html") &&
1075             prefs_common.render_html) {
1076                 gchar *filename;
1077
1078                 filename = procmime_get_tmp_file_name(mimeinfo);
1079                 if (procmime_get_part(filename, mimeinfo) == 0) {
1080                         tmpfp = g_fopen(filename, "rb");
1081                         if (tmpfp) {
1082                                 textview_show_html(textview, tmpfp, conv);
1083                                 fclose(tmpfp);
1084                         }
1085                         claws_unlink(filename);
1086                 }
1087                 g_free(filename);
1088         } else if (!g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
1089                 gchar *filename;
1090
1091                 filename = procmime_get_tmp_file_name(mimeinfo);
1092                 if (procmime_get_part(filename, mimeinfo) == 0) {
1093                         tmpfp = g_fopen(filename, "rb");
1094                         if (tmpfp) {
1095                                 textview_show_ertf(textview, tmpfp, conv);
1096                                 fclose(tmpfp);
1097                         }
1098                         claws_unlink(filename);
1099                 }
1100                 g_free(filename);
1101 #ifndef G_OS_WIN32
1102         } else if ( g_ascii_strcasecmp(mimeinfo->subtype, "plain") &&
1103                    (cmd = prefs_common.mime_textviewer) && *cmd &&
1104                    (p = strchr(cmd, '%')) && *(p + 1) == 's') {
1105                 int pid, pfd[2];
1106                 const gchar *fname;
1107
1108                 fname  = procmime_get_tmp_file_name(mimeinfo);
1109                 if (procmime_get_part(fname, mimeinfo)) goto textview_default;
1110
1111                 g_snprintf(buf, sizeof(buf), cmd, fname);
1112                 debug_print("Viewing text content of type: %s (length: %d) "
1113                         "using %s\n", mimeinfo->subtype, mimeinfo->length, buf);
1114
1115                 if (pipe(pfd) < 0) {
1116                         g_snprintf(buf, sizeof(buf),
1117                                 "pipe failed for textview\n\n%s\n", g_strerror(errno));
1118                         textview_write_line(textview, buf, conv, TRUE);
1119                         goto textview_default;
1120                 }
1121                 pid = fork();
1122                 if (pid < 0) {
1123                         g_snprintf(buf, sizeof(buf),
1124                                 "fork failed for textview\n\n%s\n", g_strerror(errno));
1125                         textview_write_line(textview, buf, conv, TRUE);
1126                         close(pfd[0]);
1127                         close(pfd[1]);
1128                         goto textview_default;
1129                 }
1130                 if (pid == 0) { /* child */
1131                         int rc;
1132                         gchar **argv;
1133                         argv = strsplit_with_quote(buf, " ", 0);
1134                         close(1);
1135                         close(pfd[0]);
1136                         rc = dup(pfd[1]);
1137                         rc = execvp(argv[0], argv);
1138                         close(pfd[1]);
1139                         g_print(_("The command to view attachment "
1140                                 "as text failed:\n"
1141                                 "    %s\n"
1142                                 "Exit code %d\n"), buf, rc);
1143                         exit(255);
1144                 }
1145                 close(pfd[1]);
1146                 tmpfp = fdopen(pfd[0], "rb");
1147                 while (fgets(buf, sizeof(buf), tmpfp)) {
1148                         textview_write_line(textview, buf, conv, TRUE);
1149
1150                         if (textview->stop_loading) {
1151                                 fclose(tmpfp);
1152                                 waitpid(pid, pfd, 0);
1153                                 g_unlink(fname);
1154                                 return;
1155                         }
1156                 }
1157
1158                 fclose(tmpfp);
1159                 waitpid(pid, pfd, 0);
1160                 g_unlink(fname);
1161 #endif
1162         } else {
1163 textview_default:
1164                 if (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
1165                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff"))
1166                         textview->is_diff = TRUE;
1167
1168                 if (mimeinfo->content == MIMECONTENT_MEM)
1169                         tmpfp = str_open_as_stream(mimeinfo->data.mem);
1170                 else
1171                         tmpfp = g_fopen(mimeinfo->data.filename, "rb");
1172                 if (!tmpfp) {
1173                         FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1174                         return;
1175                 }
1176                 if (fseek(tmpfp, mimeinfo->offset, SEEK_SET) < 0) {
1177                         FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
1178                         fclose(tmpfp);
1179                         return;
1180                 }
1181                 debug_print("Viewing text content of type: %s (length: %d)\n", mimeinfo->subtype, mimeinfo->length);
1182                 while (((i = ftell(tmpfp)) < mimeinfo->offset + mimeinfo->length) &&
1183                        (fgets(buf, sizeof(buf), tmpfp) != NULL)
1184                        && continue_write) {
1185                         textview_write_line(textview, buf, conv, TRUE);
1186                         if (textview->stop_loading) {
1187                                 fclose(tmpfp);
1188                                 return;
1189                         }
1190                         wrote += ftell(tmpfp)-i;
1191                         if (mimeinfo->length > 1024*1024
1192                         &&  wrote > 1024*1024
1193                         && !textview->messageview->show_full_text) {
1194                                 continue_write = FALSE;
1195                         }
1196                 }
1197                 fclose(tmpfp);
1198         }
1199
1200         conv_code_converter_destroy(conv);
1201         procmime_force_encoding(0);
1202
1203         textview->uri_list = g_slist_reverse(textview->uri_list);
1204         for (cur = textview->uri_list; cur; cur = cur->next) {
1205                 ClickableText *uri = (ClickableText *)cur->data;
1206                 if (!uri->is_quote)
1207                         continue;
1208                 if (!prefs_common.hide_quotes ||
1209                     uri->quote_level+1 < prefs_common.hide_quotes) {
1210                         textview_toggle_quote(textview, cur, uri, TRUE);
1211                         if (textview->stop_loading) {
1212                                 return;
1213                         }
1214                 }
1215         }
1216
1217         if (continue_write == FALSE) {
1218                 messageview_show_partial_display(
1219                         textview->messageview,
1220                         textview->messageview->msginfo,
1221                         mimeinfo->length);
1222         }
1223         GTK_EVENTS_FLUSH();
1224 }
1225
1226 static void textview_show_html(TextView *textview, FILE *fp,
1227                                CodeConverter *conv)
1228 {
1229         SC_HTMLParser *parser;
1230         gchar *str;
1231         gint lines = 0;
1232
1233         parser = sc_html_parser_new(fp, conv);
1234         cm_return_if_fail(parser != NULL);
1235
1236         while ((str = sc_html_parse(parser)) != NULL) {
1237                 if (parser->state == SC_HTML_HREF) {
1238                         /* first time : get and copy the URL */
1239                         if (parser->href == NULL) {
1240                                 /* ALF - the claws html parser returns an empty string,
1241                                  * if still inside an <a>, but already parsed past HREF */
1242                                 str = strtok(str, " ");
1243                                 if (str) {
1244                                         while (str && *str && g_ascii_isspace(*str))
1245                                                 str++;
1246                                         parser->href = g_strdup(str);
1247                                         /* the URL may (or not) be followed by the
1248                                          * referenced text */
1249                                         str = strtok(NULL, "");
1250                                 }
1251                         }
1252                         if (str != NULL)
1253                                 textview_write_link(textview, str, parser->href, NULL);
1254                 } else
1255                         textview_write_line(textview, str, NULL, FALSE);
1256                 lines++;
1257                 if (lines % 500 == 0)
1258                         GTK_EVENTS_FLUSH();
1259                 if (textview->stop_loading) {
1260                         return;
1261                 }
1262         }
1263         textview_write_line(textview, "\n", NULL, FALSE);
1264         sc_html_parser_destroy(parser);
1265 }
1266
1267 static void textview_show_ertf(TextView *textview, FILE *fp,
1268                                CodeConverter *conv)
1269 {
1270         ERTFParser *parser;
1271         gchar *str;
1272         gint lines = 0;
1273
1274         parser = ertf_parser_new(fp, conv);
1275         cm_return_if_fail(parser != NULL);
1276
1277         while ((str = ertf_parse(parser)) != NULL) {
1278                 textview_write_line(textview, str, NULL, FALSE);
1279                 lines++;
1280                 if (lines % 500 == 0)
1281                         GTK_EVENTS_FLUSH();
1282                 if (textview->stop_loading) {
1283                         return;
1284                 }
1285         }
1286
1287         ertf_parser_destroy(parser);
1288 }
1289
1290 #define ADD_TXT_POS(bp_, ep_, pti_) \
1291         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1292                 last = last->next; \
1293                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1294                 last->next = NULL; \
1295         } else { \
1296                 g_warning("alloc error scanning URIs"); \
1297                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, \
1298                                                          linebuf, -1, \
1299                                                          fg_tag, NULL); \
1300                 return; \
1301         }
1302
1303 #define ADD_TXT_POS_LATER(bp_, ep_, pti_) \
1304         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1305                 last = last->next; \
1306                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1307                 last->next = NULL; \
1308         } else { \
1309                 g_warning("alloc error scanning URIs"); \
1310         }
1311
1312 /* textview_make_clickable_parts() - colorizes clickable parts */
1313 static void textview_make_clickable_parts(TextView *textview,
1314                                           const gchar *fg_tag,
1315                                           const gchar *uri_tag,
1316                                           const gchar *linebuf,
1317                                           gboolean hdr)
1318 {
1319         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1320         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1321         GtkTextIter iter;
1322         gchar *mybuf = g_strdup(linebuf);
1323
1324         /* parse table - in order of priority */
1325         struct table {
1326                 const gchar *needle; /* token */
1327
1328                 /* token search function */
1329                 gchar    *(*search)     (const gchar *haystack,
1330                                          const gchar *needle);
1331                 /* part parsing function */
1332                 gboolean  (*parse)      (const gchar *start,
1333                                          const gchar *scanpos,
1334                                          const gchar **bp_,
1335                                          const gchar **ep_,
1336                                          gboolean hdr);
1337                 /* part to URI function */
1338                 gchar    *(*build_uri)  (const gchar *bp,
1339                                          const gchar *ep);
1340         };
1341
1342         static struct table parser[] = {
1343                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1344                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1345                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1346                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1347                 {"gopher://",strcasestr, get_uri_part,   make_uri_string},
1348                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1349                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1350                 {"@",        strcasestr, get_email_part, make_email_string}
1351         };
1352         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1353
1354         gint  n;
1355         const gchar *walk, *bp, *ep;
1356
1357         struct txtpos {
1358                 const gchar     *bp, *ep;       /* text position */
1359                 gint             pti;           /* index in parse table */
1360                 struct txtpos   *next;          /* next */
1361         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1362
1363         if (!g_utf8_validate(linebuf, -1, NULL)) {
1364                 g_free(mybuf);
1365                 mybuf = g_malloc(strlen(linebuf)*2 +1);
1366                 conv_localetodisp(mybuf, strlen(linebuf)*2 +1, linebuf);
1367         }
1368
1369         gtk_text_buffer_get_end_iter(buffer, &iter);
1370
1371         /* parse for clickable parts, and build a list of begin and end positions  */
1372         for (walk = mybuf;;) {
1373                 gint last_index = PARSE_ELEMS;
1374                 gchar *scanpos = NULL;
1375
1376                 /* FIXME: this looks phony. scanning for anything in the parse table */
1377                 for (n = 0; n < PARSE_ELEMS; n++) {
1378                         gchar *tmp;
1379
1380                         tmp = parser[n].search(walk, parser[n].needle);
1381                         if (tmp) {
1382                                 if (scanpos == NULL || tmp < scanpos) {
1383                                         scanpos = tmp;
1384                                         last_index = n;
1385                                 }
1386                         }
1387                 }
1388
1389                 if (scanpos) {
1390                         /* check if URI can be parsed */
1391                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, hdr)
1392                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1393                                         ADD_TXT_POS(bp, ep, last_index);
1394                                         walk = ep;
1395                         } else
1396                                 walk = scanpos +
1397                                         strlen(parser[last_index].needle);
1398                 } else
1399                         break;
1400         }
1401
1402         /* colorize this line */
1403         if (head.next) {
1404                 const gchar *normal_text = mybuf;
1405
1406                 /* insert URIs */
1407                 for (last = head.next; last != NULL;
1408                      normal_text = last->ep, last = last->next) {
1409                         ClickableText *uri;
1410                         uri = g_new0(ClickableText, 1);
1411                         if (last->bp - normal_text > 0)
1412                                 gtk_text_buffer_insert_with_tags_by_name
1413                                         (buffer, &iter,
1414                                          normal_text,
1415                                          last->bp - normal_text,
1416                                          fg_tag, NULL);
1417                         uri->uri = parser[last->pti].build_uri(last->bp,
1418                                                                last->ep);
1419                         uri->start = gtk_text_iter_get_offset(&iter);
1420                         gtk_text_buffer_insert_with_tags_by_name
1421                                 (buffer, &iter, last->bp, last->ep - last->bp,
1422                                  uri_tag, fg_tag, NULL);
1423                         uri->end = gtk_text_iter_get_offset(&iter);
1424                         uri->filename = NULL;
1425                         textview->uri_list =
1426                                 g_slist_prepend(textview->uri_list, uri);
1427                 }
1428
1429                 if (*normal_text)
1430                         gtk_text_buffer_insert_with_tags_by_name
1431                                 (buffer, &iter, normal_text, -1, fg_tag, NULL);
1432         } else {
1433                 gtk_text_buffer_insert_with_tags_by_name
1434                         (buffer, &iter, mybuf, -1, fg_tag, NULL);
1435         }
1436         g_free(mybuf);
1437 }
1438
1439 /* textview_make_clickable_parts() - colorizes clickable parts */
1440 static void textview_make_clickable_parts_later(TextView *textview,
1441                                           gint start, gint end)
1442 {
1443         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1444         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1445         GtkTextIter start_iter, end_iter;
1446         gchar *mybuf;
1447         gint offset = 0;
1448         /* parse table - in order of priority */
1449         struct table {
1450                 const gchar *needle; /* token */
1451
1452                 /* token search function */
1453                 gchar    *(*search)     (const gchar *haystack,
1454                                          const gchar *needle);
1455                 /* part parsing function */
1456                 gboolean  (*parse)      (const gchar *start,
1457                                          const gchar *scanpos,
1458                                          const gchar **bp_,
1459                                          const gchar **ep_,
1460                                          gboolean hdr);
1461                 /* part to URI function */
1462                 gchar    *(*build_uri)  (const gchar *bp,
1463                                          const gchar *ep);
1464         };
1465
1466         static struct table parser[] = {
1467                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1468                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1469                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1470                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1471                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1472                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1473                 {"@",        strcasestr, get_email_part, make_email_string}
1474         };
1475         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1476
1477         gint  n;
1478         const gchar *walk, *bp, *ep;
1479
1480         struct txtpos {
1481                 const gchar     *bp, *ep;       /* text position */
1482                 gint             pti;           /* index in parse table */
1483                 struct txtpos   *next;          /* next */
1484         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1485
1486         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start);
1487         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end);
1488         mybuf = gtk_text_buffer_get_text(buffer, &start_iter, &end_iter, FALSE);
1489         offset = gtk_text_iter_get_offset(&start_iter);
1490
1491         /* parse for clickable parts, and build a list of begin and end positions  */
1492         for (walk = mybuf;;) {
1493                 gint last_index = PARSE_ELEMS;
1494                 gchar *scanpos = NULL;
1495
1496                 /* FIXME: this looks phony. scanning for anything in the parse table */
1497                 for (n = 0; n < PARSE_ELEMS; n++) {
1498                         gchar *tmp;
1499
1500                         tmp = parser[n].search(walk, parser[n].needle);
1501                         if (tmp) {
1502                                 if (scanpos == NULL || tmp < scanpos) {
1503                                         scanpos = tmp;
1504                                         last_index = n;
1505                                 }
1506                         }
1507                 }
1508
1509                 if (scanpos) {
1510                         /* check if URI can be parsed */
1511                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, FALSE)
1512                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1513                                         ADD_TXT_POS_LATER(bp, ep, last_index);
1514                                         walk = ep;
1515                         } else
1516                                 walk = scanpos +
1517                                         strlen(parser[last_index].needle);
1518                 } else
1519                         break;
1520         }
1521
1522         /* colorize this line */
1523         if (head.next) {
1524                 /* insert URIs */
1525                 for (last = head.next; last != NULL; last = last->next) {
1526                         ClickableText *uri;
1527                         gint start_offset, end_offset;
1528                         gchar *tmp_str;
1529                         gchar old_char;
1530                         uri = g_new0(ClickableText, 1);
1531                         uri->uri = parser[last->pti].build_uri(last->bp,
1532                                                                last->ep);
1533
1534                         tmp_str = mybuf;
1535                         old_char = tmp_str[last->ep - mybuf];
1536                         tmp_str[last->ep - mybuf] = '\0';
1537                         end_offset = g_utf8_strlen(tmp_str, -1);
1538                         tmp_str[last->ep - mybuf] = old_char;
1539
1540                         old_char = tmp_str[last->bp - mybuf];
1541                         tmp_str[last->bp - mybuf] = '\0';
1542                         start_offset = g_utf8_strlen(tmp_str, -1);
1543                         tmp_str[last->bp - mybuf] = old_char;
1544
1545                         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start_offset + offset);
1546                         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end_offset + offset);
1547
1548                         uri->start = gtk_text_iter_get_offset(&start_iter);
1549
1550                         gtk_text_buffer_apply_tag_by_name(buffer, "link", &start_iter, &end_iter);
1551
1552                         uri->end = gtk_text_iter_get_offset(&end_iter);
1553                         uri->filename = NULL;
1554                         textview->uri_list =
1555                                 g_slist_prepend(textview->uri_list, uri);
1556                 }
1557         }
1558
1559         g_free(mybuf);
1560 }
1561
1562 #undef ADD_TXT_POS
1563
1564 static void textview_write_line(TextView *textview, const gchar *str,
1565                                 CodeConverter *conv, gboolean do_quote_folding)
1566 {
1567         GtkTextView *text;
1568         GtkTextBuffer *buffer;
1569         GtkTextIter iter;
1570         gchar buf[BUFFSIZE];
1571         gchar *fg_color;
1572         gint quotelevel = -1, real_quotelevel = -1;
1573         gchar quote_tag_str[10];
1574
1575         text = GTK_TEXT_VIEW(textview->text);
1576         buffer = gtk_text_view_get_buffer(text);
1577         gtk_text_buffer_get_end_iter(buffer, &iter);
1578
1579         if (!conv)
1580                 strncpy2(buf, str, sizeof(buf));
1581         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1582                 conv_localetodisp(buf, sizeof(buf), str);
1583
1584         strcrchomp(buf);
1585         fg_color = NULL;
1586
1587         /* change color of quotation
1588            >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
1589            Up to 3 levels of quotations are detected, and each
1590            level is colored using a different color. */
1591         if (prefs_common.enable_color
1592             && line_has_quote_char(buf, prefs_common.quote_chars)) {
1593                 real_quotelevel = get_quote_level(buf, prefs_common.quote_chars);
1594                 quotelevel = real_quotelevel;
1595                 /* set up the correct foreground color */
1596                 if (quotelevel > 2) {
1597                         /* recycle colors */
1598                         if (prefs_common.recycle_quote_colors)
1599                                 quotelevel %= 3;
1600                         else
1601                                 quotelevel = 2;
1602                 }
1603         }
1604
1605         if (quotelevel == -1)
1606                 fg_color = NULL;
1607         else {
1608                 g_snprintf(quote_tag_str, sizeof(quote_tag_str),
1609                            "quote%d", quotelevel);
1610                 fg_color = quote_tag_str;
1611         }
1612
1613         if (prefs_common.enable_color) {
1614                 if (textview->is_diff) {
1615                         if (strncmp(buf, "+++ ", 4) == 0)
1616                                 fg_color = "diff-add-file";
1617                         else if (buf[0] == '+')
1618                                 fg_color = "diff-add";
1619                         else if (strncmp(buf, "--- ", 4) == 0)
1620                                 fg_color = "diff-del-file";
1621                         else if (buf[0] == '-')
1622                                 fg_color = "diff-del";
1623                         else if (strncmp(buf, "@@ ", 3) == 0 &&
1624                                         strcmp(buf+strlen(buf)-4, " @@\n") == 0)
1625                                 fg_color = "diff-hunk";
1626                 } else if (strcmp(buf,"-- \n") == 0
1627                                 || strcmp(buf, "- -- \n") == 0
1628                                 || textview->is_in_signature) {
1629                         fg_color = "signature";
1630                         textview->is_in_signature = TRUE;
1631                 }
1632         }
1633
1634         if (real_quotelevel > -1 && do_quote_folding) {
1635                 if (!g_utf8_validate(buf, -1, NULL)) {
1636                         gchar *utf8buf = NULL;
1637                         utf8buf = g_malloc(BUFFSIZE);
1638                         conv_localetodisp(utf8buf, BUFFSIZE, buf);
1639                         strncpy2(buf, utf8buf, BUFFSIZE-1);
1640                         g_free(utf8buf);
1641                 }
1642 do_quote:
1643                 if ( textview->prev_quote_level != real_quotelevel ) {
1644                         ClickableText *uri;
1645                         uri = g_new0(ClickableText, 1);
1646                         uri->uri = g_strdup("");
1647                         uri->data = g_strdup(buf);
1648                         uri->data_len = strlen(uri->data);
1649                         uri->start = gtk_text_iter_get_offset(&iter);
1650                         uri->is_quote = TRUE;
1651                         uri->quote_level = real_quotelevel;
1652                         uri->fg_color = g_strdup(fg_color);
1653
1654                         gtk_text_buffer_insert_with_tags_by_name
1655                                         (buffer, &iter, " [...]", -1,
1656                                          "qlink", fg_color, NULL);
1657                         uri->end = gtk_text_iter_get_offset(&iter);
1658                         gtk_text_buffer_insert(buffer, &iter, "  \n", -1);
1659
1660                         uri->filename = NULL;
1661                         textview->uri_list =
1662                                 g_slist_prepend(textview->uri_list, uri);
1663
1664                         textview->prev_quote_level = real_quotelevel;
1665                 } else {
1666                         GSList *last = textview->uri_list;
1667                         ClickableText *lasturi = NULL;
1668                         gint e_len = 0, n_len = 0;
1669
1670                         if (textview->uri_list) {
1671                                 lasturi = (ClickableText *)last->data;
1672                         } else {
1673                                 g_print("oops (%d %d)\n",
1674                                         real_quotelevel, textview->prev_quote_level);
1675                         }
1676                         if (lasturi) {
1677                                 if (lasturi->is_quote == FALSE) {
1678                                         textview->prev_quote_level = -1;
1679                                         goto do_quote;
1680                                 }
1681                                 e_len = lasturi->data ? lasturi->data_len:0;
1682                                 n_len = strlen(buf);
1683                                 lasturi->data = g_realloc((gchar *)lasturi->data, e_len + n_len + 1);
1684                                 strcpy((gchar *)lasturi->data + e_len, buf);
1685                                 *((gchar *)lasturi->data + e_len + n_len) = '\0';
1686                                 lasturi->data_len += n_len;
1687                         }
1688                 }
1689         } else {
1690                 textview_make_clickable_parts(textview, fg_color, "link", buf, FALSE);
1691                 textview->prev_quote_level = -1;
1692         }
1693 }
1694
1695 void textview_write_link(TextView *textview, const gchar *str,
1696                          const gchar *uri, CodeConverter *conv)
1697 {
1698         GtkTextView *text;
1699         GtkTextBuffer *buffer;
1700         GtkTextIter iter;
1701         gchar buf[BUFFSIZE];
1702         gchar *bufp;
1703         ClickableText *r_uri;
1704
1705         if (!str || *str == '\0')
1706                 return;
1707         if (!uri)
1708                 return;
1709
1710         while (uri && *uri && g_ascii_isspace(*uri))
1711                 uri++;
1712
1713         text = GTK_TEXT_VIEW(textview->text);
1714         buffer = gtk_text_view_get_buffer(text);
1715         gtk_text_buffer_get_end_iter(buffer, &iter);
1716
1717         if (!conv)
1718                 strncpy2(buf, str, sizeof(buf));
1719         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1720                 conv_utf8todisp(buf, sizeof(buf), str);
1721
1722         if (g_utf8_validate(buf, -1, NULL) == FALSE)
1723                 return;
1724
1725         strcrchomp(buf);
1726
1727         gtk_text_buffer_get_end_iter(buffer, &iter);
1728         for (bufp = buf; *bufp != '\0'; bufp = g_utf8_next_char(bufp)) {
1729                 gunichar ch;
1730
1731                 ch = g_utf8_get_char(bufp);
1732                 if (!g_unichar_isspace(ch))
1733                         break;
1734         }
1735         if (bufp > buf)
1736                 gtk_text_buffer_insert(buffer, &iter, buf, bufp - buf);
1737
1738         r_uri = g_new0(ClickableText, 1);
1739         r_uri->uri = g_strdup(uri);
1740         r_uri->start = gtk_text_iter_get_offset(&iter);
1741         gtk_text_buffer_insert_with_tags_by_name
1742                 (buffer, &iter, bufp, -1, "link", NULL);
1743         r_uri->end = gtk_text_iter_get_offset(&iter);
1744         r_uri->filename = NULL;
1745         textview->uri_list = g_slist_prepend(textview->uri_list, r_uri);
1746 }
1747
1748 static void textview_set_cursor(GdkWindow *window, GdkCursor *cursor)
1749 {
1750         if (GDK_IS_WINDOW(window))
1751                 gdk_window_set_cursor(window, cursor);
1752 }
1753 void textview_clear(TextView *textview)
1754 {
1755         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1756         GtkTextBuffer *buffer;
1757         GdkWindow *window = gtk_text_view_get_window(text,
1758                                 GTK_TEXT_WINDOW_TEXT);
1759
1760         buffer = gtk_text_view_get_buffer(text);
1761         gtk_text_buffer_set_text(buffer, "", -1);
1762         if (gtk_text_buffer_get_mark(buffer, "body_start"))
1763                 gtk_text_buffer_delete_mark_by_name(buffer, "body_start");
1764         if (gtk_text_buffer_get_mark(buffer, "body_end"))
1765                 gtk_text_buffer_delete_mark_by_name(buffer, "body_end");
1766
1767         TEXTVIEW_STATUSBAR_POP(textview);
1768         textview_uri_list_remove_all(textview->uri_list);
1769         textview->uri_list = NULL;
1770         textview->uri_hover = NULL;
1771         textview->prev_quote_level = -1;
1772
1773         textview->body_pos = 0;
1774         if (textview->image)
1775                 gtk_widget_destroy(textview->image);
1776         textview->image = NULL;
1777         textview->avatar_type = 0;
1778
1779         if (textview->messageview->mainwin->cursor_count == 0) {
1780                 textview_set_cursor(window, text_cursor);
1781         } else {
1782                 textview_set_cursor(window, watch_cursor);
1783         }
1784 }
1785
1786 void textview_destroy(TextView *textview)
1787 {
1788         GtkTextBuffer *buffer;
1789         GtkClipboard *clipboard;
1790
1791         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1792         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1793         gtk_text_buffer_remove_selection_clipboard(buffer, clipboard);
1794
1795         textview_uri_list_remove_all(textview->uri_list);
1796         textview->uri_list = NULL;
1797         textview->prev_quote_level = -1;
1798
1799         g_free(textview);
1800 }
1801
1802 #define CHANGE_TAG_FONT(tagname, font) { \
1803         tag = gtk_text_tag_table_lookup(tags, tagname); \
1804         if (tag) \
1805                 g_object_set(G_OBJECT(tag), "font-desc", font, NULL); \
1806 }
1807
1808 void textview_set_font(TextView *textview, const gchar *codeset)
1809 {
1810         GtkTextTag *tag;
1811         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1812         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
1813         PangoFontDescription *font_desc, *bold_font_desc;
1814
1815         font_desc = pango_font_description_from_string
1816                                         (NORMAL_FONT);
1817         if (font_desc) {
1818                 gtk_widget_modify_font(textview->text, font_desc);
1819                 CHANGE_TAG_FONT("header", font_desc);
1820                 CHANGE_TAG_FONT("hlink", font_desc);
1821                 pango_font_description_free(font_desc);
1822         }
1823         if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
1824                 bold_font_desc = pango_font_description_from_string
1825                                                 (NORMAL_FONT);
1826                 if (bold_font_desc)
1827                         pango_font_description_set_weight
1828                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
1829         } else {
1830                 bold_font_desc = pango_font_description_from_string
1831                                                 (BOLD_FONT);
1832         }
1833         if (bold_font_desc) {
1834                 CHANGE_TAG_FONT("header_title", bold_font_desc);
1835                 pango_font_description_free(bold_font_desc);
1836         }
1837
1838         if (prefs_common.textfont) {
1839                 PangoFontDescription *font_desc;
1840
1841                 font_desc = pango_font_description_from_string
1842                                                 (prefs_common.textfont);
1843                 if (font_desc) {
1844                         gtk_widget_modify_font(textview->text, font_desc);
1845                         pango_font_description_free(font_desc);
1846                 }
1847         }
1848         gtk_text_view_set_pixels_above_lines(GTK_TEXT_VIEW(textview->text),
1849                                              prefs_common.line_space / 2);
1850         gtk_text_view_set_pixels_below_lines(GTK_TEXT_VIEW(textview->text),
1851                                              prefs_common.line_space / 2);
1852 }
1853
1854 void textview_set_text(TextView *textview, const gchar *text)
1855 {
1856         GtkTextView *view;
1857         GtkTextBuffer *buffer;
1858
1859         cm_return_if_fail(textview != NULL);
1860         cm_return_if_fail(text != NULL);
1861
1862         textview_clear(textview);
1863
1864         view = GTK_TEXT_VIEW(textview->text);
1865         buffer = gtk_text_view_get_buffer(view);
1866         gtk_text_buffer_set_text(buffer, text, strlen(text));
1867 }
1868
1869 enum
1870 {
1871         H_DATE          = 0,
1872         H_FROM          = 1,
1873         H_TO            = 2,
1874         H_NEWSGROUPS    = 3,
1875         H_SUBJECT       = 4,
1876         H_CC            = 5,
1877         H_REPLY_TO      = 6,
1878         H_FOLLOWUP_TO   = 7,
1879         H_X_MAILER      = 8,
1880         H_X_NEWSREADER  = 9,
1881         H_USER_AGENT    = 10,
1882         H_ORGANIZATION  = 11,
1883 };
1884
1885 void textview_set_position(TextView *textview, gint pos)
1886 {
1887         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1888
1889         gtkut_text_view_set_position(text, pos);
1890 }
1891
1892 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1893 {
1894         gchar buf[BUFFSIZE];
1895         GPtrArray *headers, *sorted_headers;
1896         GSList *disphdr_list;
1897         Header *header;
1898         gint i;
1899
1900         cm_return_val_if_fail(fp != NULL, NULL);
1901
1902         if (prefs_common.show_all_headers) {
1903                 headers = procheader_get_header_array_asis(fp);
1904                 sorted_headers = g_ptr_array_new();
1905                 for (i = 0; i < headers->len; i++) {
1906                         header = g_ptr_array_index(headers, i);
1907                         if (!procheader_header_is_internal(header->name))
1908                                 g_ptr_array_add(sorted_headers, header);
1909                         else
1910                                 procheader_header_free(header);
1911                 }
1912                 g_ptr_array_free(headers, TRUE);
1913                 return sorted_headers;
1914         }
1915
1916         if (!prefs_common.display_header) {
1917                 while (fgets(buf, sizeof(buf), fp) != NULL)
1918                         if (buf[0] == '\r' || buf[0] == '\n') break;
1919                 return NULL;
1920         }
1921
1922         headers = procheader_get_header_array_asis(fp);
1923
1924         sorted_headers = g_ptr_array_new();
1925
1926         for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1927              disphdr_list = disphdr_list->next) {
1928                 DisplayHeaderProp *dp =
1929                         (DisplayHeaderProp *)disphdr_list->data;
1930
1931                 for (i = 0; i < headers->len; i++) {
1932                         header = g_ptr_array_index(headers, i);
1933
1934                         if (procheader_headername_equal(header->name,
1935                                                         dp->name)) {
1936                                 if (dp->hidden)
1937                                         procheader_header_free(header);
1938                                 else
1939                                         g_ptr_array_add(sorted_headers, header);
1940
1941                                 g_ptr_array_remove_index(headers, i);
1942                                 i--;
1943                         }
1944                 }
1945         }
1946
1947         if (prefs_common.show_other_header) {
1948                 for (i = 0; i < headers->len; i++) {
1949                         header = g_ptr_array_index(headers, i);
1950                         if (!procheader_header_is_internal(header->name)) {
1951                                 g_ptr_array_add(sorted_headers, header);
1952                         } else {
1953                                 procheader_header_free(header);
1954                         }
1955                 }
1956                 g_ptr_array_free(headers, TRUE);
1957         } else
1958                 procheader_header_array_destroy(headers);
1959
1960
1961         return sorted_headers;
1962 }
1963
1964 static void textview_show_avatar(TextView *textview)
1965 {
1966         GtkAllocation allocation;
1967         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1968         MsgInfo *msginfo = textview->messageview->msginfo;
1969         int x = 0;
1970         AvatarRender *avatarr;
1971
1972         if (prefs_common.display_header_pane || !prefs_common.display_xface)
1973                 goto bail;
1974
1975         avatarr = avatars_avatarrender_new(msginfo);
1976         hooks_invoke(AVATAR_IMAGE_RENDER_HOOKLIST, avatarr);
1977
1978         if (!avatarr->image) {
1979                 avatars_avatarrender_free(avatarr);
1980                 goto bail;
1981         }
1982
1983         if (textview->image)
1984                 gtk_widget_destroy(textview->image);
1985
1986         textview->image = avatarr->image;
1987         textview->avatar_type = avatarr->type;
1988         avatarr->image = NULL; /* avoid destroying */
1989         avatars_avatarrender_free(avatarr);
1990
1991         gtk_widget_show(textview->image);
1992
1993         gtk_widget_get_allocation(textview->text, &allocation);
1994         x = allocation.width - WIDTH -5;
1995
1996         gtk_text_view_add_child_in_window(text, textview->image,
1997                 GTK_TEXT_WINDOW_TEXT, x, 5);
1998
1999         gtk_widget_show_all(textview->text);
2000
2001         return;
2002 bail:
2003         if (textview->image)
2004                 gtk_widget_destroy(textview->image);
2005         textview->image = NULL;
2006         textview->avatar_type = 0;
2007 }
2008
2009 void textview_show_icon(TextView *textview, const gchar *stock_id)
2010 {
2011         GtkAllocation allocation;
2012         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2013         int x = 0;
2014
2015         if (textview->image)
2016                 gtk_widget_destroy(textview->image);
2017
2018         textview->image = gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_DIALOG);
2019         cm_return_if_fail(textview->image != NULL);
2020
2021         gtk_widget_show(textview->image);
2022
2023         gtk_widget_get_allocation(textview->text, &allocation);
2024         x = allocation.width - WIDTH -5;
2025
2026         gtk_text_view_add_child_in_window(text, textview->image,
2027                 GTK_TEXT_WINDOW_TEXT, x, 5);
2028
2029         gtk_widget_show_all(textview->text);
2030
2031
2032         return;
2033 }
2034
2035 static void textview_save_contact_pic(TextView *textview)
2036 {
2037 #ifndef USE_NEW_ADDRBOOK
2038         MsgInfo *msginfo = textview->messageview->msginfo;
2039         gchar *filename = NULL;
2040         GError *error = NULL;
2041         GdkPixbuf *picture = NULL;
2042
2043         if (!msginfo->extradata || !msginfo->extradata->avatars)
2044                 return;
2045
2046         if (textview->avatar_type > AVATAR_FACE)
2047                 return;
2048
2049         if (textview->image)
2050                 picture = gtk_image_get_pixbuf(GTK_IMAGE(textview->image));
2051
2052         filename = addrindex_get_picture_file(msginfo->from);
2053         if (!filename)
2054                 return;
2055         if (!is_file_exist(filename)) {
2056                 gdk_pixbuf_save(picture, filename, "png", &error, NULL);
2057                 if (error) {
2058                         g_warning("Failed to save image: %s",
2059                                         error->message);
2060                         g_error_free(error);
2061                 }
2062         }
2063         g_free(filename);
2064 #else
2065         /* new address book */
2066 #endif
2067 }
2068
2069 static void textview_show_contact_pic(TextView *textview)
2070 {
2071 #ifndef USE_NEW_ADDRBOOK
2072         MsgInfo *msginfo = textview->messageview->msginfo;
2073         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2074         int x = 0;
2075         gchar *filename = NULL;
2076         GError *error = NULL;
2077         GdkPixbuf *picture = NULL;
2078         gint w, h;
2079         GtkAllocation allocation;
2080
2081         if (prefs_common.display_header_pane
2082                 || !prefs_common.display_xface)
2083                 goto bail;
2084
2085         if (msginfo->extradata && msginfo->extradata->avatars)
2086                 return;
2087
2088         if (textview->image)
2089                 gtk_widget_destroy(textview->image);
2090
2091         filename = addrindex_get_picture_file(msginfo->from);
2092
2093         if (!filename)
2094                 goto bail;
2095         if (!is_file_exist(filename)) {
2096                 g_free(filename);
2097                 goto bail;
2098         }
2099
2100         gdk_pixbuf_get_file_info(filename, &w, &h);
2101
2102         if (w > 48 || h > 48)
2103                 picture = gdk_pixbuf_new_from_file_at_scale(filename,
2104                                                 48, 48, TRUE, &error);
2105         else
2106                 picture = gdk_pixbuf_new_from_file(filename, &error);
2107
2108         if (error) {
2109                 debug_print("Failed to import image: \n%s",
2110                                 error->message);
2111                 g_error_free(error);
2112                 goto bail;
2113         }
2114         g_free(filename);
2115
2116         if (picture) {
2117                 textview->image = gtk_image_new_from_pixbuf(picture);
2118                 g_object_unref(picture);
2119         }
2120         cm_return_if_fail(textview->image != NULL);
2121
2122         gtk_widget_show(textview->image);
2123
2124         gtk_widget_get_allocation(textview->text, &allocation);
2125         x = allocation.width - WIDTH -5;
2126
2127         gtk_text_view_add_child_in_window(text, textview->image,
2128                 GTK_TEXT_WINDOW_TEXT, x, 5);
2129
2130         gtk_widget_show_all(textview->text);
2131
2132         return;
2133 bail:
2134         if (textview->image)
2135                 gtk_widget_destroy(textview->image);
2136         textview->image = NULL;
2137         textview->avatar_type = 0;
2138 #else
2139         /* new address book */
2140 #endif
2141 }
2142
2143 static gint textview_tag_cmp_list(gconstpointer a, gconstpointer b)
2144 {
2145         gint id_a = GPOINTER_TO_INT(a);
2146         gint id_b = GPOINTER_TO_INT(b);
2147         const gchar *tag_a = tags_get_tag(id_a);
2148         const gchar *tag_b = tags_get_tag(id_b);
2149
2150         if (tag_a == NULL)
2151                 return tag_b == NULL ? 0:1;
2152
2153         if (tag_b == NULL)
2154                 return 1;
2155
2156         return g_utf8_collate(tag_a, tag_b);
2157 }
2158
2159
2160 static void textview_show_tags(TextView *textview)
2161 {
2162         MsgInfo *msginfo = textview->messageview->msginfo;
2163         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2164         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2165         GtkTextIter iter;
2166         ClickableText *uri;
2167         GSList *cur, *orig;
2168         gboolean found_tag = FALSE;
2169
2170         if (!msginfo->tags)
2171                 return;
2172
2173         cur = orig = g_slist_sort(g_slist_copy(msginfo->tags), textview_tag_cmp_list);
2174
2175         for (; cur; cur = cur->next) {
2176                 if (tags_get_tag(GPOINTER_TO_INT(cur->data)) != NULL) {
2177                         found_tag = TRUE;
2178                         break;
2179                 }
2180         }
2181         if (!found_tag) {
2182                 g_slist_free(orig);
2183                 return;
2184         }
2185
2186         gtk_text_buffer_get_end_iter (buffer, &iter);
2187         gtk_text_buffer_insert_with_tags_by_name(buffer,
2188                 &iter, _("Tags: "), -1,
2189                 "header_title", "header", "tags", NULL);
2190
2191         for (cur = orig; cur; cur = cur->next) {
2192                 const gchar *cur_tag = tags_get_tag(GPOINTER_TO_INT(cur->data));
2193                 if (!cur_tag)
2194                         continue;
2195                 uri = g_new0(ClickableText, 1);
2196                 uri->uri = g_strdup("");
2197                 uri->start = gtk_text_iter_get_offset(&iter);
2198                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
2199                         cur_tag, -1,
2200                         "link", "header", "tags", NULL);
2201                 uri->end = gtk_text_iter_get_offset(&iter);
2202                 uri->filename = g_strdup_printf("sc://search_tags:%s", cur_tag);
2203                 uri->data = NULL;
2204                 textview->uri_list =
2205                         g_slist_prepend(textview->uri_list, uri);
2206                 if (cur->next && tags_get_tag(GPOINTER_TO_INT(cur->next->data)))
2207                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, ", ", 2,
2208                                 "header", "tags", NULL);
2209                 else
2210                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, " ", 1,
2211                                 "header", "tags", NULL);
2212         }
2213         g_slist_free(orig);
2214
2215         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2216                 "header", "tags", NULL);
2217 }
2218
2219 static void textview_show_header(TextView *textview, GPtrArray *headers)
2220 {
2221         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2222         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2223         GtkTextIter iter;
2224         Header *header;
2225         gint i;
2226
2227         cm_return_if_fail(headers != NULL);
2228
2229         for (i = 0; i < headers->len; i++) {
2230                 header = g_ptr_array_index(headers, i);
2231                 cm_return_if_fail(header->name != NULL);
2232
2233                 gtk_text_buffer_get_end_iter (buffer, &iter);
2234                 if(prefs_common.trans_hdr == TRUE) {
2235                         gchar *hdr = g_strndup(header->name, strlen(header->name) - 1);
2236                         gchar *trans_hdr = gettext(hdr);
2237                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2238                                 &iter, trans_hdr, -1,
2239                                 "header_title", "header", NULL);
2240                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2241                                 &iter, ":", 1, "header_title", "header", NULL);
2242                         g_free(hdr);
2243                 } else {
2244                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2245                                 &iter, header->name,
2246                                 -1, "header_title", "header", NULL);
2247                 }
2248                 if (header->name[strlen(header->name) - 1] != ' ')
2249                 gtk_text_buffer_insert_with_tags_by_name
2250                                 (buffer, &iter, " ", 1,
2251                                  "header_title", "header", NULL);
2252
2253                 if (procheader_headername_equal(header->name, "Subject") ||
2254                     procheader_headername_equal(header->name, "From")    ||
2255                     procheader_headername_equal(header->name, "To")      ||
2256                     procheader_headername_equal(header->name, "Cc"))
2257                         unfold_line(header->body);
2258
2259                 if (procheader_headername_equal(header->name, "Date") &&
2260                     prefs_common.msgview_date_format) {
2261                         gchar hbody[80];
2262
2263                         procheader_date_parse(hbody, header->body, sizeof(hbody));
2264                         gtk_text_buffer_get_end_iter (buffer, &iter);
2265                         gtk_text_buffer_insert_with_tags_by_name
2266                                 (buffer, &iter, hbody, -1, "header", NULL);
2267                 } else if ((procheader_headername_equal(header->name, "X-Mailer") ||
2268                                 procheader_headername_equal(header->name,
2269                                                  "X-Newsreader")) &&
2270                                 (strstr(header->body, "Claws Mail") != NULL ||
2271                                 strstr(header->body, "Sylpheed-Claws") != NULL)) {
2272                         gtk_text_buffer_get_end_iter (buffer, &iter);
2273                         gtk_text_buffer_insert_with_tags_by_name
2274                                 (buffer, &iter, header->body, -1,
2275                                  "header", "emphasis", NULL);
2276                 } else {
2277                         gboolean hdr =
2278                           procheader_headername_equal(header->name, "From") ||
2279                           procheader_headername_equal(header->name, "To") ||
2280                           procheader_headername_equal(header->name, "Cc") ||
2281                           procheader_headername_equal(header->name, "Bcc") ||
2282                           procheader_headername_equal(header->name, "Reply-To") ||
2283                           procheader_headername_equal(header->name, "Sender");
2284                         textview_make_clickable_parts(textview, "header",
2285                                                       "hlink", header->body,
2286                                                       hdr);
2287                 }
2288                 gtk_text_buffer_get_end_iter (buffer, &iter);
2289                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2290                                                          "header", NULL);
2291         }
2292
2293         textview_show_avatar(textview);
2294
2295         textview_save_contact_pic(textview);
2296         textview_show_contact_pic(textview);
2297 }
2298
2299 gboolean textview_search_string(TextView *textview, const gchar *str,
2300                                 gboolean case_sens)
2301 {
2302         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2303
2304         return gtkut_text_view_search_string(text, str, case_sens);
2305 }
2306
2307 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
2308                                          gboolean case_sens)
2309 {
2310         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2311
2312         return gtkut_text_view_search_string_backward(text, str, case_sens);
2313 }
2314
2315 void textview_scroll_one_line(TextView *textview, gboolean up)
2316 {
2317         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2318         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2319
2320         gtkutils_scroll_one_line(GTK_WIDGET(text), vadj, up);
2321 }
2322
2323 gboolean textview_scroll_page(TextView *textview, gboolean up)
2324 {
2325         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2326         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2327
2328         return gtkutils_scroll_page(GTK_WIDGET(text), vadj, up);
2329 }
2330
2331 void textview_scroll_max(TextView *textview, gboolean up)
2332 {
2333         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2334         GtkTextIter iter;
2335
2336         if (up) {
2337                 gtk_text_buffer_get_start_iter(buffer, &iter);
2338                 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview->text),
2339                                                 &iter, 0.0, TRUE, 0.0, 1.0);
2340
2341         } else {
2342                 gtk_text_buffer_get_end_iter(buffer, &iter);
2343                 gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview->text),
2344                                                 &iter, 0.0, TRUE, 0.0, 0.0);
2345         }
2346 }
2347
2348 #define KEY_PRESS_EVENT_STOP() \
2349         g_signal_stop_emission_by_name(G_OBJECT(widget), \
2350                                        "key_press_event");
2351
2352 static gint textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2353                                  TextView *textview)
2354 {
2355         GdkWindow *window = NULL;
2356         SummaryView *summaryview = NULL;
2357         MessageView *messageview = textview->messageview;
2358
2359         if (!event) return FALSE;
2360         if (messageview->mainwin)
2361                 summaryview = messageview->mainwin->summaryview;
2362
2363         switch (event->keyval) {
2364         case GDK_KEY_Tab:
2365         case GDK_KEY_Left:
2366         case GDK_KEY_Up:
2367         case GDK_KEY_Right:
2368         case GDK_KEY_Down:
2369         case GDK_KEY_Page_Up:
2370         case GDK_KEY_Page_Down:
2371         case GDK_KEY_Control_L:
2372         case GDK_KEY_Control_R:
2373                 return FALSE;
2374         case GDK_KEY_Home:
2375         case GDK_KEY_End:
2376                 textview_scroll_max(textview,(event->keyval == GDK_KEY_Home));
2377                 return TRUE;
2378         case GDK_KEY_space:
2379                 if (summaryview)
2380                         summary_pass_key_press_event(summaryview, event);
2381                 else
2382                         mimeview_scroll_page
2383                                 (messageview->mimeview,
2384                                  (event->state &
2385                                   (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2386                 break;
2387         case GDK_KEY_BackSpace:
2388                 mimeview_scroll_page(messageview->mimeview, TRUE);
2389                 break;
2390         case GDK_KEY_Return:
2391         case GDK_KEY_KP_Enter:
2392                 mimeview_scroll_one_line
2393                         (messageview->mimeview, (event->state &
2394                                     (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2395                 break;
2396         case GDK_KEY_Delete:
2397                 if (summaryview)
2398                         summary_pass_key_press_event(summaryview, event);
2399                 break;
2400         default:
2401                 if (messageview->mainwin) {
2402                         window = gtk_widget_get_window(messageview->mainwin->window);
2403                         if (summaryview &&
2404                             event->window != window) {
2405                                 GdkEventKey tmpev = *event;
2406
2407                                 tmpev.window = window;
2408                                 KEY_PRESS_EVENT_STOP();
2409                                 gtk_widget_event(messageview->mainwin->window,
2410                                                  (GdkEvent *)&tmpev);
2411                         }
2412                 }
2413                 break;
2414         }
2415
2416         return TRUE;
2417 }
2418
2419 static gboolean textview_motion_notify(GtkWidget *widget,
2420                                        GdkEventMotion *event,
2421                                        TextView *textview)
2422 {
2423         if (textview->loading)
2424                 return FALSE;
2425         textview_uri_update(textview, event->x, event->y);
2426         gdk_window_get_pointer(gtk_widget_get_window(widget), NULL, NULL, NULL);
2427
2428         return FALSE;
2429 }
2430
2431 static gboolean textview_leave_notify(GtkWidget *widget,
2432                                       GdkEventCrossing *event,
2433                                       TextView *textview)
2434 {
2435         if (textview->loading)
2436                 return FALSE;
2437         textview_uri_update(textview, -1, -1);
2438
2439         return FALSE;
2440 }
2441
2442 static gboolean textview_visibility_notify(GtkWidget *widget,
2443                                            GdkEventVisibility *event,
2444                                            TextView *textview)
2445 {
2446         gint wx, wy;
2447         GdkWindow *window;
2448
2449         if (textview->loading)
2450                 return FALSE;
2451
2452         window = gtk_text_view_get_window(GTK_TEXT_VIEW(widget),
2453                                           GTK_TEXT_WINDOW_TEXT);
2454
2455         /* check if occurred for the text window part */
2456         if (window != event->window)
2457                 return FALSE;
2458
2459         gdk_window_get_pointer(gtk_widget_get_window(widget), &wx, &wy, NULL);
2460         textview_uri_update(textview, wx, wy);
2461
2462         return FALSE;
2463 }
2464
2465 void textview_cursor_wait(TextView *textview)
2466 {
2467         GdkWindow *window = gtk_text_view_get_window(
2468                         GTK_TEXT_VIEW(textview->text),
2469                         GTK_TEXT_WINDOW_TEXT);
2470         textview_set_cursor(window, watch_cursor);
2471 }
2472
2473 void textview_cursor_normal(TextView *textview)
2474 {
2475         GdkWindow *window = gtk_text_view_get_window(
2476                         GTK_TEXT_VIEW(textview->text),
2477                         GTK_TEXT_WINDOW_TEXT);
2478         textview_set_cursor(window, text_cursor);
2479 }
2480
2481 static void textview_uri_update(TextView *textview, gint x, gint y)
2482 {
2483         GtkTextBuffer *buffer;
2484         GtkTextIter start_iter, end_iter;
2485         ClickableText *uri = NULL;
2486
2487         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2488
2489         if (x != -1 && y != -1) {
2490                 gint bx, by;
2491                 GtkTextIter iter;
2492                 GSList *tags;
2493                 GSList *cur;
2494
2495                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview->text),
2496                                                       GTK_TEXT_WINDOW_WIDGET,
2497                                                       x, y, &bx, &by);
2498                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview->text),
2499                                                    &iter, bx, by);
2500
2501                 tags = gtk_text_iter_get_tags(&iter);
2502                 for (cur = tags; cur != NULL; cur = cur->next) {
2503                         GtkTextTag *tag = cur->data;
2504                         char *name;
2505
2506                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
2507
2508                         if ((!strcmp(name, "link") || !strcmp(name, "hlink"))
2509                             && textview_get_uri_range(textview, &iter, tag,
2510                                                       &start_iter, &end_iter)) {
2511
2512                                 uri = textview_get_uri_from_range(textview,
2513                                                                   &iter, tag,
2514                                                                   &start_iter,
2515                                                                   &end_iter);
2516                         }
2517                         g_free(name);
2518                         if (uri)
2519                                 break;
2520                 }
2521                 g_slist_free(tags);
2522         }
2523
2524         if (uri != textview->uri_hover) {
2525                 GdkWindow *window;
2526
2527                 if (textview->uri_hover)
2528                         gtk_text_buffer_remove_tag_by_name(buffer,
2529                                                            "link-hover",
2530                                                            &textview->uri_hover_start_iter,
2531                                                            &textview->uri_hover_end_iter);
2532
2533                 textview->uri_hover = uri;
2534                 if (uri) {
2535                         textview->uri_hover_start_iter = start_iter;
2536                         textview->uri_hover_end_iter = end_iter;
2537                 }
2538
2539                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview->text),
2540                                                   GTK_TEXT_WINDOW_TEXT);
2541                 if (textview->messageview->mainwin->cursor_count == 0) {
2542                         textview_set_cursor(window, uri ? hand_cursor : text_cursor);
2543                 } else {
2544                         textview_set_cursor(window, watch_cursor);
2545                 }
2546
2547                 TEXTVIEW_STATUSBAR_POP(textview);
2548
2549                 if (uri) {
2550                         if (!uri->is_quote)
2551                                 gtk_text_buffer_apply_tag_by_name(buffer,
2552                                                           "link-hover",
2553                                                           &start_iter,
2554                                                           &end_iter);
2555                         TEXTVIEW_STATUSBAR_PUSH(textview, uri->uri);
2556                 }
2557         }
2558 }
2559
2560 static gboolean textview_get_uri_range(TextView *textview,
2561                                        GtkTextIter *iter,
2562                                        GtkTextTag *tag,
2563                                        GtkTextIter *start_iter,
2564                                        GtkTextIter *end_iter)
2565 {
2566         return get_tag_range(iter, tag, start_iter, end_iter);
2567 }
2568
2569 static ClickableText *textview_get_uri_from_range(TextView *textview,
2570                                               GtkTextIter *iter,
2571                                               GtkTextTag *tag,
2572                                               GtkTextIter *start_iter,
2573                                               GtkTextIter *end_iter)
2574 {
2575         gint start_pos, end_pos, cur_pos;
2576         ClickableText *uri = NULL;
2577         GSList *cur;
2578
2579         start_pos = gtk_text_iter_get_offset(start_iter);
2580         end_pos = gtk_text_iter_get_offset(end_iter);
2581         cur_pos = gtk_text_iter_get_offset(iter);
2582
2583         for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
2584                 ClickableText *uri_ = (ClickableText *)cur->data;
2585                 if (start_pos == uri_->start &&
2586                     end_pos ==  uri_->end) {
2587                         uri = uri_;
2588                         break;
2589                 }
2590         }
2591         for (cur = textview->uri_list; uri == NULL && cur != NULL; cur = cur->next) {
2592                 ClickableText *uri_ = (ClickableText *)cur->data;
2593                 if (start_pos == uri_->start ||
2594                            end_pos == uri_->end) {
2595                         /* in case of contiguous links, textview_get_uri_range
2596                          * returns a broader range (start of 1st link to end
2597                          * of last link).
2598                          * In that case, correct link is the one covering
2599                          * current iter.
2600                          */
2601                         if (uri_->start <= cur_pos && cur_pos <= uri_->end) {
2602                                 uri = uri_;
2603                                 break;
2604                         }
2605                 }
2606         }
2607
2608         return uri;
2609 }
2610
2611 static ClickableText *textview_get_uri(TextView *textview,
2612                                    GtkTextIter *iter,
2613                                    GtkTextTag *tag)
2614 {
2615         GtkTextIter start_iter, end_iter;
2616         ClickableText *uri = NULL;
2617
2618         if (textview_get_uri_range(textview, iter, tag, &start_iter,
2619                                    &end_iter))
2620                 uri = textview_get_uri_from_range(textview, iter, tag,
2621                                                   &start_iter, &end_iter);
2622
2623         return uri;
2624 }
2625
2626 static void textview_shift_uris_after(TextView *textview, GSList *start_list, gint start, gint shift)
2627 {
2628         GSList *cur;
2629         if (!start_list)
2630                 start_list = textview->uri_list;
2631
2632         for (cur = start_list; cur; cur = cur->next) {
2633                 ClickableText *uri = (ClickableText *)cur->data;
2634                 if (uri->start <= start)
2635                         continue;
2636                 uri->start += shift;
2637                 uri->end += shift;
2638         }
2639 }
2640
2641 static void textview_remove_uris_in(TextView *textview, gint start, gint end)
2642 {
2643         GSList *cur;
2644         for (cur = textview->uri_list; cur; ) {
2645                 ClickableText *uri = (ClickableText *)cur->data;
2646                 if (uri->start > start && uri->end < end) {
2647                         cur = cur->next;
2648                         textview->uri_list = g_slist_remove(textview->uri_list, uri);
2649                         g_free(uri->uri);
2650                         g_free(uri->filename);
2651                         if (uri->is_quote) {
2652                                 g_free(uri->fg_color);
2653                                 g_free(uri->data);
2654                                 /* (only free data in quotes uris) */
2655                         }
2656                         g_free(uri);
2657                 } else {
2658                         cur = cur->next;
2659                 }
2660
2661         }
2662 }
2663
2664 static void textview_toggle_quote(TextView *textview, GSList *start_list, ClickableText *uri, gboolean expand_only)
2665 {
2666         GtkTextIter start, end;
2667         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2668
2669         if (!uri->is_quote)
2670                 return;
2671
2672         if (uri->q_expanded && expand_only)
2673                 return;
2674
2675         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2676         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2677         if (textview->uri_hover)
2678                 gtk_text_buffer_remove_tag_by_name(buffer,
2679                                                    "link-hover",
2680                                                    &textview->uri_hover_start_iter,
2681                                                    &textview->uri_hover_end_iter);
2682         textview->uri_hover = NULL;
2683         gtk_text_buffer_remove_tag_by_name(buffer,
2684                                            "qlink",
2685                                            &start,
2686                                            &end);
2687         /* when shifting URIs start and end, we have to do it per-UTF8-char
2688          * so use g_utf8_strlen(). OTOH, when inserting in the text buffer,
2689          * we have to pass a number of bytes, so use strlen(). disturbing. */
2690
2691         if (!uri->q_expanded) {
2692                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2693                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2694                 textview_shift_uris_after(textview, start_list, uri->start,
2695                         g_utf8_strlen((gchar *)uri->data, -1)-strlen(" [...]\n"));
2696                 gtk_text_buffer_delete(buffer, &start, &end);
2697                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2698                 gtk_text_buffer_insert_with_tags_by_name
2699                                 (buffer, &start, (gchar *)uri->data,
2700                                  strlen((gchar *)uri->data)-1,
2701                                  "qlink", (gchar *)uri->fg_color, NULL);
2702                 uri->end = gtk_text_iter_get_offset(&start);
2703                 textview_make_clickable_parts_later(textview,
2704                                           uri->start, uri->end);
2705                 uri->q_expanded = TRUE;
2706         } else {
2707                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2708                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2709                 textview_remove_uris_in(textview, uri->start, uri->end);
2710                 textview_shift_uris_after(textview, start_list, uri->start,
2711                         strlen(" [...]\n")-g_utf8_strlen((gchar *)uri->data, -1));
2712                 gtk_text_buffer_delete(buffer, &start, &end);
2713                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2714                 gtk_text_buffer_insert_with_tags_by_name
2715                                 (buffer, &start, " [...]", -1,
2716                                  "qlink", (gchar *)uri->fg_color, NULL);
2717                 uri->end = gtk_text_iter_get_offset(&start);
2718                 uri->q_expanded = FALSE;
2719         }
2720         if (textview->messageview->mainwin->cursor_count == 0) {
2721                 textview_cursor_normal(textview);
2722         } else {
2723                 textview_cursor_wait(textview);
2724         }
2725 }
2726 static gboolean textview_uri_button_pressed(GtkTextTag *tag, GObject *obj,
2727                                             GdkEvent *event, GtkTextIter *iter,
2728                                             TextView *textview)
2729 {
2730         GdkEventButton *bevent;
2731         ClickableText *uri = NULL;
2732         char *tagname;
2733         gboolean qlink = FALSE;
2734
2735         if (!event)
2736                 return FALSE;
2737
2738         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
2739                 && event->type != GDK_MOTION_NOTIFY)
2740                 return FALSE;
2741
2742         uri = textview_get_uri(textview, iter, tag);
2743         if (!uri)
2744                 return FALSE;
2745
2746         g_object_get(G_OBJECT(tag), "name", &tagname, NULL);
2747
2748         if (!strcmp(tagname, "qlink"))
2749                 qlink = TRUE;
2750
2751         g_free(tagname);
2752
2753         bevent = (GdkEventButton *) event;
2754
2755         /* doubleclick: open compose / add address / browser */
2756         if (qlink && event->type == GDK_BUTTON_PRESS && bevent->button != 1) {
2757                 /* pass rightclick through */
2758                 return FALSE;
2759         } else if ((event->type == (qlink ? GDK_2BUTTON_PRESS:GDK_BUTTON_PRESS) && bevent->button == 1) ||
2760                 bevent->button == 2 || bevent->button == 3) {
2761                 if (uri->filename && !g_ascii_strncasecmp(uri->filename, "sc://", 5)) {
2762                         MimeView *mimeview =
2763                                 (textview->messageview)?
2764                                         textview->messageview->mimeview:NULL;
2765                         if (mimeview && bevent->button == 1) {
2766                                 mimeview_handle_cmd(mimeview, uri->filename, NULL, uri->data);
2767                         } else if (mimeview && bevent->button == 2 &&
2768                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2769                                 mimeview_handle_cmd(mimeview, "sc://open_attachment", NULL, uri->data);
2770                         } else if (mimeview && bevent->button == 3 &&
2771                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2772                                 mimeview_handle_cmd(mimeview, "sc://menu_attachment", bevent, uri->data);
2773                         }
2774                         return TRUE;
2775                 } else if (qlink && bevent->button == 1) {
2776                         if (prefs_common.hide_quoted)
2777                                 textview_toggle_quote(textview, NULL, uri, FALSE);
2778                         return TRUE;
2779                 } else if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) {
2780                         if (bevent->button == 3) {
2781                                 g_object_set_data(
2782                                         G_OBJECT(textview->mail_popup_menu),
2783                                         "menu_button", uri);
2784                                 gtk_menu_popup(GTK_MENU(textview->mail_popup_menu),
2785                                                NULL, NULL, NULL, NULL,
2786                                                bevent->button, bevent->time);
2787                         } else {
2788                                 PrefsAccount *account = NULL;
2789                                 FolderItem   *folder_item = NULL;
2790                                 Compose *compose;
2791
2792                                 if (textview->messageview && textview->messageview->msginfo &&
2793                                     textview->messageview->msginfo->folder) {
2794
2795
2796                                         folder_item = textview->messageview->msginfo->folder;
2797                                         if (folder_item->prefs && folder_item->prefs->enable_default_account)
2798                                                 account = account_find_from_id(folder_item->prefs->default_account);
2799                                         if (!account)
2800                                                 account = account_find_from_item(folder_item);
2801                                 }
2802                                 compose = compose_new_with_folderitem(account,
2803                                                                 folder_item, uri->uri + 7);
2804                                 compose_check_for_email_account(compose);
2805                         }
2806                         return TRUE;
2807                 } else if (g_ascii_strncasecmp(uri->uri, "file:", 5)) {
2808                         if (bevent->button == 1 &&
2809                             textview_uri_security_check(textview, uri) == TRUE)
2810                                         open_uri(uri->uri,
2811                                                  prefs_common_get_uri_cmd());
2812                         else if (bevent->button == 3 && !qlink) {
2813                                 g_object_set_data(
2814                                         G_OBJECT(textview->link_popup_menu),
2815                                         "menu_button", uri);
2816                                 gtk_menu_popup(GTK_MENU(textview->link_popup_menu),
2817                                                NULL, NULL, NULL, NULL,
2818                                                bevent->button, bevent->time);
2819                         }
2820                         return TRUE;
2821                 } else {
2822                         if (bevent->button == 3 && !qlink) {
2823                                 g_object_set_data(
2824                                         G_OBJECT(textview->file_popup_menu),
2825                                         "menu_button", uri);
2826                                 gtk_menu_popup(GTK_MENU(textview->file_popup_menu),
2827                                                NULL, NULL, NULL, NULL,
2828                                                bevent->button, bevent->time);
2829                                 return TRUE;
2830                         }
2831                 }
2832         }
2833
2834         return FALSE;
2835 }
2836
2837 gchar *textview_get_visible_uri         (TextView       *textview,
2838                                          ClickableText  *uri)
2839 {
2840         GtkTextBuffer *buffer;
2841         GtkTextIter start, end;
2842
2843         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2844
2845         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2846         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2847
2848         return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
2849 }
2850
2851 /*!
2852  *\brief    Check to see if a web URL has been disguised as a different
2853  *          URL (possible with HTML email).
2854  *
2855  *\param    uri The uri to check
2856  *
2857  *\param    textview The TextView the URL is contained in
2858  *
2859  *\return   gboolean TRUE if the URL is ok, or if the user chose to open
2860  *          it anyway, otherwise FALSE
2861  */
2862 gboolean textview_uri_security_check(TextView *textview, ClickableText *uri)
2863 {
2864         gchar *visible_str;
2865         gboolean retval = TRUE;
2866
2867         if (is_uri_string(uri->uri) == FALSE)
2868                 return TRUE;
2869
2870         visible_str = textview_get_visible_uri(textview, uri);
2871         if (visible_str == NULL)
2872                 return TRUE;
2873
2874         g_strstrip(visible_str);
2875
2876         if (strcmp(visible_str, uri->uri) != 0 && is_uri_string(visible_str)) {
2877                 gchar *uri_path;
2878                 gchar *visible_uri_path;
2879
2880                 uri_path = get_uri_path(uri->uri);
2881                 visible_uri_path = get_uri_path(visible_str);
2882                 if (path_cmp(uri_path, visible_uri_path) != 0)
2883                         retval = FALSE;
2884         }
2885
2886         if (retval == FALSE) {
2887                 gchar *msg;
2888                 AlertValue aval;
2889
2890                 msg = g_markup_printf_escaped("%s\n\n"
2891                                                 "<b>%s</b> %s\n\n"
2892                                                 "<b>%s</b> %s\n\n"
2893                                                 "%s",
2894                                                 _("The real URL is different from the displayed URL."),
2895                                                 _("Displayed URL:"), visible_str,
2896                                                 _("Real URL:"), uri->uri,
2897                                                 _("Open it anyway?"));
2898                 aval = alertpanel_full(_("Phishing attempt warning"), msg,
2899                                        GTK_STOCK_CANCEL, _("_Open URL"), NULL, FALSE,
2900                                        NULL, ALERT_WARNING, G_ALERTDEFAULT);
2901                 g_free(msg);
2902                 if (aval == G_ALERTALTERNATE)
2903                         retval = TRUE;
2904         }
2905
2906         g_free(visible_str);
2907
2908         return retval;
2909 }
2910
2911 static void textview_uri_list_remove_all(GSList *uri_list)
2912 {
2913         GSList *cur;
2914
2915         for (cur = uri_list; cur != NULL; cur = cur->next) {
2916                 if (cur->data) {
2917                         g_free(((ClickableText *)cur->data)->uri);
2918                         g_free(((ClickableText *)cur->data)->filename);
2919                         if (((ClickableText *)cur->data)->is_quote) {
2920                                 g_free(((ClickableText *)cur->data)->fg_color);
2921                                 g_free(((ClickableText *)cur->data)->data);
2922                                 /* (only free data in quotes uris) */
2923                         }
2924                         g_free(cur->data);
2925                 }
2926         }
2927
2928         g_slist_free(uri_list);
2929 }
2930
2931 static void open_uri_cb (GtkAction *action, TextView *textview)
2932 {
2933         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2934                                            "menu_button");
2935         const gchar *raw_url = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2936                                            "raw_url");
2937
2938         if (uri) {
2939                 if (textview_uri_security_check(textview, uri) == TRUE)
2940                         open_uri(uri->uri,
2941                                  prefs_common_get_uri_cmd());
2942                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2943                                   NULL);
2944         }
2945         if (raw_url) {
2946                 open_uri(raw_url, prefs_common_get_uri_cmd());
2947                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
2948                                   NULL);
2949         }
2950 }
2951
2952 static void open_image_cb (GtkAction *action, TextView *textview)
2953 {
2954         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
2955                                            "menu_button");
2956
2957         gchar *cmd = NULL;
2958         gchar buf[1024];
2959         const gchar *p;
2960         gchar *filename = NULL, *filepath = NULL;
2961         gchar *tmp_filename = NULL;
2962
2963         if (uri == NULL)
2964                 return;
2965
2966         if (uri->filename == NULL)
2967                 return;
2968
2969         filename = g_strdup(uri->filename);
2970
2971         if (!g_utf8_validate(filename, -1, NULL)) {
2972                 gchar *tmp = conv_filename_to_utf8(filename);
2973                 g_free(filename);
2974                 filename = tmp;
2975         }
2976
2977         subst_for_filename(filename);
2978
2979         filepath = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
2980                                filename, NULL);
2981
2982         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
2983         copy_file(tmp_filename, filepath, FALSE);
2984         g_free(tmp_filename);
2985
2986         cmd = mailcap_get_command_for_type("image/jpeg", filename);
2987         if (cmd == NULL) {
2988                 gboolean remember = FALSE;
2989                 cmd = input_dialog_combo_remember
2990                         (_("Open with"),
2991                          _("Enter the command-line to open file:\n"
2992                            "('%s' will be replaced with file name)"),
2993                          prefs_common.mime_open_cmd,
2994                          prefs_common.mime_open_cmd_history,
2995                          &remember);
2996                 if (cmd && remember) {
2997                         mailcap_update_default("image/jpeg", cmd);
2998                 }
2999         }
3000         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
3001             !strchr(p + 2, '%'))
3002                 g_snprintf(buf, sizeof(buf), cmd, filepath);
3003         else {
3004                 g_warning("Image viewer command-line is invalid: '%s'", cmd);
3005                 g_free(filepath);
3006                 g_free(filename);
3007                 return;
3008         }
3009
3010         execute_command_line(buf, TRUE);
3011
3012         g_free(filepath);
3013         g_free(filename);
3014         g_free(cmd);
3015
3016         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
3017                           NULL);
3018 }
3019
3020 static void save_file_cb (GtkAction *action, TextView *textview)
3021 {
3022         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
3023                                            "menu_button");
3024         gchar *filename = NULL;
3025         gchar *filepath = NULL;
3026         gchar *filedir = NULL;
3027         gchar *tmp_filename = NULL;
3028         GtkWidget *window;
3029
3030         if (uri == NULL)
3031                 return;
3032
3033         if (uri->filename == NULL)
3034                 return;
3035
3036         filename = g_strdup(uri->filename);
3037
3038         if (!g_utf8_validate(filename, -1, NULL)) {
3039                 gchar *tmp = conv_filename_to_utf8(filename);
3040                 g_free(filename);
3041                 filename = tmp;
3042         }
3043
3044         subst_for_filename(filename);
3045
3046         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
3047                 filepath = g_strconcat(prefs_common.attach_save_dir,
3048                                        G_DIR_SEPARATOR_S, filename, NULL);
3049         else
3050                 filepath = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
3051                                        filename, NULL);
3052
3053         g_free(filename);
3054
3055         /* Pick correct window to set the file dialog "transient for" */
3056         if (textview->messageview->window != NULL)
3057                 window = textview->messageview->window;
3058         else
3059                 window = textview->messageview->mainwin->window;
3060
3061         manage_window_focus_in(window, NULL, NULL);
3062
3063         filename = filesel_select_file_save(_("Save as"), filepath);
3064         if (!filename) {
3065                 g_free(filepath);
3066                 return;
3067         }
3068
3069         if (is_file_exist(filename)) {
3070                 AlertValue aval;
3071                 gchar *res;
3072
3073                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
3074                                       filename);
3075                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
3076                                   GTK_STOCK_OK, NULL);
3077                 g_free(res);
3078                 if (G_ALERTALTERNATE != aval)
3079                         return;
3080         }
3081
3082         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
3083         copy_file(tmp_filename, filename, FALSE);
3084         g_free(tmp_filename);
3085
3086         filedir = g_path_get_dirname(filename);
3087         if (filedir && strcmp(filedir, ".")) {
3088                 g_free(prefs_common.attach_save_dir);
3089                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
3090         }
3091
3092         g_free(filedir);
3093         g_free(filepath);
3094
3095         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
3096                           NULL);
3097 }
3098
3099 static void copy_uri_cb (GtkAction *action, TextView *textview)
3100 {
3101         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
3102                                            "menu_button");
3103         const gchar *raw_url =  g_object_get_data(G_OBJECT(textview->link_popup_menu),
3104                                            "raw_url");
3105         if (uri) {
3106                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri, -1);
3107                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri, -1);
3108                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
3109                           NULL);
3110         }
3111         if (raw_url) {
3112                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), raw_url, -1);
3113                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), raw_url, -1);
3114                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
3115                           NULL);
3116         }
3117 }
3118
3119 static void add_uri_to_addrbook_cb (GtkAction *action, TextView *textview)
3120 {
3121         gchar *fromname, *fromaddress;
3122         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3123                                            "menu_button");
3124         AvatarRender *avatarr = NULL;
3125         GdkPixbuf *picture = NULL;
3126         gboolean use_picture = FALSE;
3127
3128         if (uri == NULL)
3129                 return;
3130
3131         /* extract url */
3132         fromaddress = g_strdup(uri->uri + 7);
3133
3134         if (textview->messageview->msginfo &&
3135            !strcmp2(fromaddress, textview->messageview->msginfo->from))
3136                 use_picture = TRUE;
3137
3138         fromname = procheader_get_fromname(fromaddress);
3139         extract_address(fromaddress);
3140
3141         if (use_picture) {
3142                 avatarr = avatars_avatarrender_new(textview->messageview->msginfo);
3143                 hooks_invoke(AVATAR_IMAGE_RENDER_HOOKLIST, avatarr);
3144         }
3145
3146         if (avatarr && avatarr->image) {
3147                 picture = gtk_image_get_pixbuf(GTK_IMAGE(avatarr->image));
3148         }
3149         if (avatarr) {
3150                 avatars_avatarrender_free(avatarr);
3151         }
3152
3153 #ifndef USE_NEW_ADDRBOOK
3154         addressbook_add_contact( fromname, fromaddress, NULL, picture);
3155 #else
3156         if (addressadd_selection(fromname, fromaddress, NULL, picture)) {
3157                 debug_print( "addressbook_add_contact - added\n" );
3158         }
3159 #endif
3160
3161         g_free(fromaddress);
3162         g_free(fromname);
3163 }
3164
3165 static void reply_to_uri_cb (GtkAction *action, TextView *textview)
3166 {
3167         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3168                                            "menu_button");
3169         if (!textview->messageview || !uri)
3170                 return;
3171
3172         compose_reply_to_address (textview->messageview,
3173                                   textview->messageview->msginfo, uri->uri+7);
3174 }
3175
3176 static void mail_to_uri_cb (GtkAction *action, TextView *textview)
3177 {
3178         PrefsAccount *account = NULL;
3179         Compose *compose;
3180         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3181                                            "menu_button");
3182         if (uri == NULL)
3183                 return;
3184
3185         if (textview->messageview && textview->messageview->msginfo &&
3186             textview->messageview->msginfo->folder) {
3187                 FolderItem   *folder_item;
3188
3189                 folder_item = textview->messageview->msginfo->folder;
3190                 if (folder_item->prefs && folder_item->prefs->enable_default_account)
3191                         account = account_find_from_id(folder_item->prefs->default_account);
3192
3193                 compose = compose_new_with_folderitem(account, folder_item, uri->uri+7);
3194         } else {
3195                 compose = compose_new(account, uri->uri + 7, NULL);
3196         }
3197         compose_check_for_email_account(compose);
3198 }
3199
3200 static void copy_mail_to_uri_cb (GtkAction *action, TextView *textview)
3201 {
3202         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3203                                            "menu_button");
3204         if (uri == NULL)
3205                 return;
3206
3207         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri +7, -1);
3208         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri +7, -1);
3209         g_object_set_data(G_OBJECT(textview->mail_popup_menu), "menu_button",
3210                           NULL);
3211 }
3212
3213 void textview_get_selection_offsets(TextView *textview, gint *sel_start, gint *sel_end)
3214 {
3215                 GtkTextView *text = GTK_TEXT_VIEW(textview->text);
3216                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
3217                 GtkTextIter start, end;
3218                 if (gtk_text_buffer_get_selection_bounds(buffer, &start, &end)) {
3219                         if (sel_start)
3220                                 *sel_start = gtk_text_iter_get_offset(&start);
3221                         if (sel_end)
3222                                 *sel_end = gtk_text_iter_get_offset(&end);
3223                 } else {
3224                         if (sel_start)
3225                                 *sel_start = -1;
3226                         if (sel_end)
3227                                 *sel_end = -1;
3228                 }
3229 }