src/textview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws 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 2 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, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.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/gtkvbox.h>
  31 #include <gtk/gtkscrolledwindow.h>
  32 #include <gtk/gtksignal.h>
  33 #include <stdio.h>
  34 #include <ctype.h>
  35 #include <string.h>
  36 #include <stdlib.h>
  37 #include <errno.h>
  38 #if HAVE_SYS_WAIT_H
  39 #include <sys/wait.h>
  40 #endif
  41 #if HAVE_LIBCOMPFACE
  42 #  include <compface.h>
  43 #endif
  44
  45 #if HAVE_LIBCOMPFACE
  46 #define XPM_XFACE_HEIGHT        (HEIGHT + 3)  /* 3 = 1 header + 2 colors */
  47 #endif
  48
  49 #include "main.h"
  50 #include "summaryview.h"
  51 #include "procheader.h"
  52 #include "prefs_common.h"
  53 #include "codeconv.h"
  54 #include "utils.h"
  55 #include "gtkutils.h"
  56 #include "procmime.h"
  57 #include "html.h"
  58 #include "enriched.h"
  59 #include "compose.h"
  60 #include "addressbook.h"
  61 #include "displayheader.h"
  62 #include "account.h"
  63 #include "mimeview.h"
  64 #include "alertpanel.h"
  65 #include "menu.h"
  66 #include "image_viewer.h"
  67 #include "filesel.h"
  68 #include "base64.h"
  69 #include "inputdialog.h"
  70 #include "timing.h"
  71
  72 gint previousquotelevel = -1;
  73
  74 static GdkColor quote_colors[3] = {
  75         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  76         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  77         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  78 };
  79
  80 static GdkColor quote_bgcolors[3] = {
  81         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  82         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  83         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  84 };
  85 static GdkColor signature_color = {
  86         (gulong)0,
  87         (gushort)0x7fff,
  88         (gushort)0x7fff,
  89         (gushort)0x7fff
  90 };
  91
  92 static GdkColor uri_color = {
  93         (gulong)0,
  94         (gushort)0,
  95         (gushort)0,
  96         (gushort)0
  97 };
  98
  99 static GdkColor emphasis_color = {
 100         (gulong)0,
 101         (gushort)0,
 102         (gushort)0,
 103         (gushort)0xcfff
 104 };
 105
 106 static GdkCursor *hand_cursor = NULL;
 107 static GdkCursor *text_cursor = NULL;
 108 static GdkCursor *watch_cursor= NULL;
 109
 110 #define TEXTVIEW_STATUSBAR_PUSH(textview, str)                              \
 111 {       if (textview->messageview->statusbar)                               \
 112         gtk_statusbar_push(GTK_STATUSBAR(textview->messageview->statusbar), \
 113                            textview->messageview->statusbar_cid, str);      \
 114 }
 115
 116 #define TEXTVIEW_STATUSBAR_POP(textview)                                   \
 117 {       if (textview->messageview->statusbar)                              \
 118         gtk_statusbar_pop(GTK_STATUSBAR(textview->messageview->statusbar), \
 119                           textview->messageview->statusbar_cid);           \
 120 }
 121
 122 static void textview_show_ertf          (TextView       *textview,
 123                                          FILE           *fp,
 124                                          CodeConverter  *conv);
 125 static void textview_add_part           (TextView       *textview,
 126                                          MimeInfo       *mimeinfo);
 127 static void textview_add_parts          (TextView       *textview,
 128                                          MimeInfo       *mimeinfo);
 129 static void textview_write_body         (TextView       *textview,
 130                                          MimeInfo       *mimeinfo);
 131 static void textview_show_html          (TextView       *textview,
 132                                          FILE           *fp,
 133                                          CodeConverter  *conv);
 134
 135 static void textview_write_line         (TextView       *textview,
 136                                          const gchar    *str,
 137                                          CodeConverter  *conv,
 138                                          gboolean        do_quote_folding);
 139 static void textview_write_link         (TextView       *textview,
 140                                          const gchar    *str,
 141                                          const gchar    *uri,
 142                                          CodeConverter  *conv);
 143
 144 static GPtrArray *textview_scan_header  (TextView       *textview,
 145                                          FILE           *fp);
 146 static void textview_show_header        (TextView       *textview,
 147                                          GPtrArray      *headers);
 148
 149 static gint textview_key_pressed                (GtkWidget      *widget,
 150                                                  GdkEventKey    *event,
 151                                                  TextView       *textview);
 152 static gboolean textview_motion_notify          (GtkWidget      *widget,
 153                                                  GdkEventMotion *motion,
 154                                                  TextView       *textview);
 155 static gboolean textview_leave_notify           (GtkWidget        *widget,
 156                                                  GdkEventCrossing *event,
 157                                                  TextView         *textview);
 158 static gboolean textview_visibility_notify      (GtkWidget      *widget,
 159                                                  GdkEventVisibility *event,
 160                                                  TextView       *textview);
 161 static void textview_uri_update                 (TextView       *textview,
 162                                                  gint           x,
 163                                                  gint           y);
 164 static gboolean textview_get_uri_range          (TextView       *textview,
 165                                                  GtkTextIter    *iter,
 166                                                  GtkTextTag     *tag,
 167                                                  GtkTextIter    *start_iter,
 168                                                  GtkTextIter    *end_iter);
 169 static ClickableText *textview_get_uri_from_range       (TextView       *textview,
 170                                                  GtkTextIter    *iter,
 171                                                  GtkTextTag     *tag,
 172                                                  GtkTextIter    *start_iter,
 173                                                  GtkTextIter    *end_iter);
 174 static ClickableText *textview_get_uri          (TextView       *textview,
 175                                                  GtkTextIter    *iter,
 176                                                  GtkTextTag     *tag);
 177 static gboolean textview_uri_button_pressed     (GtkTextTag     *tag,
 178                                                  GObject        *obj,
 179                                                  GdkEvent       *event,
 180                                                  GtkTextIter    *iter,
 181                                                  TextView       *textview);
 182
 183 static gboolean textview_uri_security_check     (TextView       *textview,
 184                                                  ClickableText  *uri);
 185 static void textview_uri_list_remove_all        (GSList         *uri_list);
 186
 187 static void textview_toggle_quote               (TextView       *textview,
 188                                                  GSList         *start_list,
 189                                                  ClickableText  *uri,
 190                                                  gboolean        expand_only);
 191
 192 static void open_uri_cb                         (TextView       *textview,
 193                                                  guint           action,
 194                                                  void           *data);
 195 static void copy_uri_cb                         (TextView       *textview,
 196                                                  guint           action,
 197                                                  void           *data);
 198 static void add_uri_to_addrbook_cb              (TextView       *textview,
 199                                                  guint           action,
 200                                                  void           *data);
 201 static void mail_to_uri_cb                      (TextView       *textview,
 202                                                  guint           action,
 203                                                  void           *data);
 204 static void copy_mail_to_uri_cb                 (TextView       *textview,
 205                                                  guint           action,
 206                                                  void           *data);
 207 static void save_file_cb                        (TextView       *textview,
 208                                                  guint           action,
 209                                                  void           *data);
 210 static void open_image_cb                       (TextView       *textview,
 211                                                  guint           action,
 212                                                  void           *data);
 213
 214 static GtkItemFactoryEntry textview_link_popup_entries[] =
 215 {
 216         {N_("/_Open with Web browser"), NULL, open_uri_cb, 0, NULL},
 217         {N_("/Copy this _link"),        NULL, copy_uri_cb, 0, NULL},
 218 };
 219
 220 static GtkItemFactoryEntry textview_mail_popup_entries[] =
 221 {
 222         {N_("/Compose _new message"),   NULL, mail_to_uri_cb, 0, NULL},
 223         {N_("/Add to _address book"),   NULL, add_uri_to_addrbook_cb, 0, NULL},
 224         {N_("/Copy this add_ress"),     NULL, copy_mail_to_uri_cb, 0, NULL},
 225 };
 226
 227 static GtkItemFactoryEntry textview_file_popup_entries[] =
 228 {
 229         {N_("/_Open image"),            NULL, open_image_cb, 0, NULL},
 230         {N_("/_Save image..."),         NULL, save_file_cb, 0, NULL},
 231 };
 232
 233 static void scrolled_cb (GtkAdjustment *adj, TextView *textview)
 234 {
 235 #ifndef WIDTH
 236 #  define WIDTH 48
 237 #  define HEIGHT 48
 238 #endif
 239         if (textview->image) {
 240                 gint x, y, x1;
 241                 x1 = textview->text->allocation.width - WIDTH - 5;
 242                 gtk_text_view_buffer_to_window_coords(
 243                         GTK_TEXT_VIEW(textview->text),
 244                         GTK_TEXT_WINDOW_TEXT, x1, 5, &x, &y);
 245                 gtk_text_view_move_child(GTK_TEXT_VIEW(textview->text),
 246                         textview->image, x1, y);
 247         }
 248 }
 249
 250 static void textview_size_allocate_cb   (GtkWidget      *widget,
 251                                          GtkAllocation  *allocation,
 252                                          gpointer        data)
 253 {
 254         scrolled_cb(NULL, (TextView *)data);
 255 }
 256
 257 TextView *textview_create(void)
 258 {
 259         TextView *textview;
 260         GtkWidget *vbox;
 261         GtkWidget *scrolledwin;
 262         GtkWidget *text;
 263         GtkTextBuffer *buffer;
 264         GtkClipboard *clipboard;
 265         GtkItemFactory *link_popupfactory, *mail_popupfactory, *file_popupfactory;
 266         GtkWidget *link_popupmenu, *mail_popupmenu, *file_popupmenu;
 267         GtkAdjustment *adj;
 268         gint n_entries;
 269
 270         debug_print("Creating text view...\n");
 271         textview = g_new0(TextView, 1);
 272
 273         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 274         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 275                                        GTK_POLICY_AUTOMATIC,
 276                                        GTK_POLICY_AUTOMATIC);
 277         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 278                                             GTK_SHADOW_IN);
 279         gtk_widget_set_size_request
 280                 (scrolledwin, prefs_common.mainview_width, -1);
 281
 282         /* create GtkSText widgets for single-byte and multi-byte character */
 283         text = gtk_text_view_new();
 284         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 285         gtk_widget_show(text);
 286         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 287         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD_CHAR);
 288         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 289         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 290         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 291
 292         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 293         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 294         gtk_text_buffer_add_selection_clipboard(buffer, clipboard);
 295
 296         gtk_widget_ensure_style(text);
 297
 298         gtk_widget_ref(scrolledwin);
 299
 300         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 301
 302         g_signal_connect(G_OBJECT(text), "key-press-event",
 303                          G_CALLBACK(textview_key_pressed), textview);
 304         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 305                          G_CALLBACK(textview_motion_notify), textview);
 306         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 307                          G_CALLBACK(textview_leave_notify), textview);
 308         g_signal_connect(G_OBJECT(text), "visibility-notify-event",
 309                          G_CALLBACK(textview_visibility_notify), textview);
 310         adj = gtk_scrolled_window_get_vadjustment(
 311                 GTK_SCROLLED_WINDOW(scrolledwin));
 312         g_signal_connect(G_OBJECT(adj), "value-changed",
 313                          G_CALLBACK(scrolled_cb), textview);
 314         g_signal_connect(G_OBJECT(text), "size_allocate",
 315                          G_CALLBACK(textview_size_allocate_cb),
 316                          textview);
 317
 318
 319         gtk_widget_show(scrolledwin);
 320
 321         vbox = gtk_vbox_new(FALSE, 0);
 322         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 323
 324         gtk_widget_show(vbox);
 325
 326         n_entries = sizeof(textview_link_popup_entries) /
 327                 sizeof(textview_link_popup_entries[0]);
 328         link_popupmenu = menu_create_items(textview_link_popup_entries, n_entries,
 329                                       "<UriPopupMenu>", &link_popupfactory,
 330                                       textview);
 331
 332         n_entries = sizeof(textview_mail_popup_entries) /
 333                 sizeof(textview_mail_popup_entries[0]);
 334         mail_popupmenu = menu_create_items(textview_mail_popup_entries, n_entries,
 335                                       "<UriPopupMenu>", &mail_popupfactory,
 336                                       textview);
 337
 338         n_entries = sizeof(textview_file_popup_entries) /
 339                 sizeof(textview_file_popup_entries[0]);
 340         file_popupmenu = menu_create_items(textview_file_popup_entries, n_entries,
 341                                       "<FilePopupMenu>", &file_popupfactory,
 342                                       textview);
 343
 344         textview->vbox               = vbox;
 345         textview->scrolledwin        = scrolledwin;
 346         textview->text               = text;
 347         textview->uri_list           = NULL;
 348         textview->body_pos           = 0;
 349         textview->show_all_headers   = FALSE;
 350         textview->last_buttonpress   = GDK_NOTHING;
 351         textview->link_popup_menu    = link_popupmenu;
 352         textview->link_popup_factory = link_popupfactory;
 353         textview->mail_popup_menu    = mail_popupmenu;
 354         textview->mail_popup_factory = mail_popupfactory;
 355         textview->file_popup_menu    = file_popupmenu;
 356         textview->file_popup_factory = file_popupfactory;
 357         textview->image              = NULL;
 358         return textview;
 359 }
 360
 361 static void textview_create_tags(GtkTextView *text, TextView *textview)
 362 {
 363         GtkTextBuffer *buffer;
 364         GtkTextTag *tag, *qtag;
 365         static PangoFontDescription *font_desc, *bold_font_desc;
 366
 367         if (!font_desc)
 368                 font_desc = pango_font_description_from_string
 369                         (NORMAL_FONT);
 370
 371         if (!bold_font_desc) {
 372                 bold_font_desc = pango_font_description_from_string
 373                         (NORMAL_FONT);
 374                 pango_font_description_set_weight
 375                         (bold_font_desc, PANGO_WEIGHT_BOLD);
 376         }
 377
 378         buffer = gtk_text_view_get_buffer(text);
 379
 380         gtk_text_buffer_create_tag(buffer, "header",
 381                                    "pixels-above-lines", 0,
 382                                    "pixels-above-lines-set", TRUE,
 383                                    "pixels-below-lines", 0,
 384                                    "pixels-below-lines-set", TRUE,
 385                                    "font-desc", font_desc,
 386                                    "left-margin", 3,
 387                                    "left-margin-set", TRUE,
 388                                    NULL);
 389         gtk_text_buffer_create_tag(buffer, "header_title",
 390                                    "font-desc", bold_font_desc,
 391                                    NULL);
 392         tag = gtk_text_buffer_create_tag(buffer, "hlink",
 393                                    "pixels-above-lines", 0,
 394                                    "pixels-above-lines-set", TRUE,
 395                                    "pixels-below-lines", 0,
 396                                    "pixels-below-lines-set", TRUE,
 397                                    "font-desc", font_desc,
 398                                    "left-margin", 3,
 399                                    "left-margin-set", TRUE,
 400                                    "foreground-gdk", &uri_color,
 401                                    NULL);
 402         g_signal_connect(G_OBJECT(tag), "event",
 403                          G_CALLBACK(textview_uri_button_pressed), textview);
 404         if (prefs_common.enable_bgcolor) {
 405                 gtk_text_buffer_create_tag(buffer, "quote0",
 406                                 "foreground-gdk", &quote_colors[0],
 407                                 "paragraph-background-gdk", &quote_bgcolors[0],
 408                                 NULL);
 409                 gtk_text_buffer_create_tag(buffer, "quote1",
 410                                 "foreground-gdk", &quote_colors[1],
 411                                 "paragraph-background-gdk", &quote_bgcolors[1],
 412                                 NULL);
 413                 gtk_text_buffer_create_tag(buffer, "quote2",
 414                                 "foreground-gdk", &quote_colors[2],
 415                                 "paragraph-background-gdk", &quote_bgcolors[2],
 416                                 NULL);
 417         } else {
 418                 gtk_text_buffer_create_tag(buffer, "quote0",
 419                                 "foreground-gdk", &quote_colors[0],
 420                                 NULL);
 421                 gtk_text_buffer_create_tag(buffer, "quote1",
 422                                 "foreground-gdk", &quote_colors[1],
 423                                 NULL);
 424                 gtk_text_buffer_create_tag(buffer, "quote2",
 425                                 "foreground-gdk", &quote_colors[2],
 426                                 NULL);
 427         }
 428         gtk_text_buffer_create_tag(buffer, "emphasis",
 429                         "foreground-gdk", &emphasis_color,
 430                         NULL);
 431         gtk_text_buffer_create_tag(buffer, "signature",
 432                         "foreground-gdk", &signature_color,
 433                         NULL);
 434         tag = gtk_text_buffer_create_tag(buffer, "link",
 435                         "foreground-gdk", &uri_color,
 436                         NULL);
 437         qtag = gtk_text_buffer_create_tag(buffer, "qlink",
 438                         NULL);
 439         gtk_text_buffer_create_tag(buffer, "link-hover",
 440                         "underline", PANGO_UNDERLINE_SINGLE,
 441                         NULL);
 442         g_signal_connect(G_OBJECT(qtag), "event",
 443                          G_CALLBACK(textview_uri_button_pressed), textview);
 444         g_signal_connect(G_OBJECT(tag), "event",
 445                          G_CALLBACK(textview_uri_button_pressed), textview);
 446  }
 447
 448 void textview_init(TextView *textview)
 449 {
 450         if (!hand_cursor)
 451                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 452         if (!text_cursor)
 453                 text_cursor = gdk_cursor_new(GDK_XTERM);
 454         if (!watch_cursor)
 455                 watch_cursor = gdk_cursor_new(GDK_WATCH);
 456
 457         textview_reflect_prefs(textview);
 458         textview_set_all_headers(textview, FALSE);
 459         textview_set_font(textview, NULL);
 460         textview_create_tags(GTK_TEXT_VIEW(textview->text), textview);
 461 }
 462
 463 #if GTK_CHECK_VERSION(2, 8, 0)
 464  #define CHANGE_TAG_COLOR(tagname, colorfg, colorbg) { \
 465         tag = gtk_text_tag_table_lookup(tags, tagname); \
 466         if (tag) \
 467                 g_object_set(G_OBJECT(tag), "foreground-gdk", colorfg, "paragraph-background-gdk", colorbg, NULL); \
 468  }
 469 #else
 470  #define CHANGE_TAG_COLOR(tagname, colorfg, colorbg) { \
 471         tag = gtk_text_tag_table_lookup(tags, tagname); \
 472         if (tag) \
 473                 g_object_set(G_OBJECT(tag), "foreground-gdk", colorfg, NULL); \
 474  }
 475 #endif
 476
 477 static void textview_update_message_colors(TextView *textview)
 478 {
 479         GdkColor black = {0, 0, 0, 0};
 480         GdkColor colored_emphasis = {0, 0, 0, 0xcfff};
 481         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
 482
 483         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
 484         GtkTextTag *tag = NULL;
 485
 486         quote_bgcolors[0] = quote_bgcolors[1] = quote_bgcolors[2] = black;
 487         quote_colors[0] = quote_colors[1] = quote_colors[2] =
 488                 uri_color = emphasis_color = signature_color = black;
 489
 490         if (prefs_common.enable_color) {
 491                 /* grab the quote colors, converting from an int to a GdkColor */
 492                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
 493                                                &quote_colors[0]);
 494                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
 495                                                &quote_colors[1]);
 496                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
 497                                                &quote_colors[2]);
 498                 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
 499                                                &uri_color);
 500                 gtkut_convert_int_to_gdk_color(prefs_common.signature_col,
 501                                                &signature_color);
 502                 emphasis_color = colored_emphasis;
 503         }
 504         if (prefs_common.enable_color && prefs_common.enable_bgcolor) {
 505                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_bgcol,
 506                                                    &quote_bgcolors[0]);
 507                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_bgcol,
 508                                                    &quote_bgcolors[1]);
 509                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_bgcol,
 510                                                    &quote_bgcolors[2]);
 511                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], &quote_bgcolors[0]);
 512                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], &quote_bgcolors[1]);
 513                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], &quote_bgcolors[2]);
 514         } else {
 515                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], NULL);
 516                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], NULL);
 517                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], NULL);
 518         }
 519
 520         CHANGE_TAG_COLOR("emphasis", &emphasis_color, NULL);
 521         CHANGE_TAG_COLOR("signature", &signature_color, NULL);
 522         CHANGE_TAG_COLOR("link", &uri_color, NULL);
 523         CHANGE_TAG_COLOR("link-hover", &uri_color, NULL);
 524 }
 525 #undef CHANGE_TAG_COLOR
 526
 527 void textview_reflect_prefs(TextView *textview)
 528 {
 529         textview_set_font(textview, NULL);
 530         textview_update_message_colors(textview);
 531         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textview->text),
 532                                          prefs_common.textview_cursor_visible);
 533 }
 534
 535 void textview_show_message(TextView *textview, MimeInfo *mimeinfo,
 536                            const gchar *file)
 537 {
 538         textview->loading = TRUE;
 539         textview->stop_loading = FALSE;
 540
 541         textview_clear(textview);
 542
 543         textview_add_parts(textview, mimeinfo);
 544
 545         textview_set_position(textview, 0);
 546
 547         textview->loading = FALSE;
 548         textview->stop_loading = FALSE;
 549 }
 550
 551 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
 552 {
 553         START_TIMING("");
 554         g_return_if_fail(mimeinfo != NULL);
 555         g_return_if_fail(fp != NULL);
 556
 557         if ((mimeinfo->type == MIMETYPE_MULTIPART) ||
 558             ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822"))) {
 559                 textview->loading = TRUE;
 560                 textview->stop_loading = FALSE;
 561
 562                 textview_clear(textview);
 563                 textview_add_parts(textview, mimeinfo);
 564
 565                 textview->loading = FALSE;
 566                 textview->stop_loading = FALSE;
 567                 END_TIMING();
 568                 return;
 569         }
 570         textview->loading = TRUE;
 571         textview->stop_loading = FALSE;
 572
 573         if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0)
 574                 perror("fseek");
 575
 576         textview_clear(textview);
 577
 578         if (mimeinfo->type == MIMETYPE_MULTIPART)
 579                 textview_add_parts(textview, mimeinfo);
 580         else
 581                 textview_write_body(textview, mimeinfo);
 582
 583         textview->loading = FALSE;
 584         textview->stop_loading = FALSE;
 585         END_TIMING();
 586 }
 587
 588 static void textview_add_part(TextView *textview, MimeInfo *mimeinfo)
 589 {
 590         GtkTextView *text;
 591         GtkTextBuffer *buffer;
 592         GtkTextIter iter, start_iter;
 593         gchar buf[BUFFSIZE];
 594         GPtrArray *headers = NULL;
 595         const gchar *name;
 596         gchar *content_type;
 597         gint charcount;
 598         START_TIMING("");
 599
 600         g_return_if_fail(mimeinfo != NULL);
 601         text = GTK_TEXT_VIEW(textview->text);
 602         buffer = gtk_text_view_get_buffer(text);
 603         charcount = gtk_text_buffer_get_char_count(buffer);
 604         gtk_text_buffer_get_end_iter(buffer, &iter);
 605
 606         if (textview->stop_loading) {
 607                 return;
 608         }
 609         if (mimeinfo->type == MIMETYPE_MULTIPART) {
 610                 END_TIMING();
 611                 return;
 612         }
 613
 614         if ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822")) {
 615                 FILE *fp;
 616
 617                 fp = g_fopen(mimeinfo->data.filename, "rb");
 618                 fseek(fp, mimeinfo->offset, SEEK_SET);
 619                 headers = textview_scan_header(textview, fp);
 620                 if (headers) {
 621                         if (charcount > 0)
 622                                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 623                         textview_show_header(textview, headers);
 624                         procheader_header_array_destroy(headers);
 625                 }
 626                 fclose(fp);
 627                 END_TIMING();
 628                 return;
 629         }
 630
 631         name = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
 632         content_type = procmime_get_content_type_str(mimeinfo->type,
 633                                                      mimeinfo->subtype);
 634         if (name == NULL)
 635                 name = procmime_mimeinfo_get_parameter(mimeinfo, "name");
 636         if (name != NULL)
 637                 g_snprintf(buf, sizeof(buf), _("[%s  %s (%d bytes)]"),
 638                            name, content_type, mimeinfo->length);
 639         else
 640                 g_snprintf(buf, sizeof(buf), _("[%s (%d bytes)]"),
 641                            content_type, mimeinfo->length);
 642
 643         g_free(content_type);
 644
 645         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
 646         || (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
 647             mimeinfo->type != MIMETYPE_TEXT)) {
 648                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 649                 TEXTVIEW_INSERT_LINK(buf, "sc://select_attachment", mimeinfo);
 650                 gtk_text_buffer_insert(buffer, &iter, " \n", -1);
 651                 if (mimeinfo->type == MIMETYPE_IMAGE  &&
 652                     prefs_common.inline_img ) {
 653                         GdkPixbuf *pixbuf;
 654                         GError *error = NULL;
 655                         gchar *filename;
 656                         ClickableText *uri;
 657                         gchar *uri_str;
 658                         START_TIMING("inserting image");
 659
 660                         filename = procmime_get_tmp_file_name(mimeinfo);
 661
 662                         if (procmime_get_part(filename, mimeinfo) < 0) {
 663                                 g_warning("Can't get the image file.");
 664                                 g_free(filename);
 665                                 END_TIMING();
 666                                 return;
 667                         }
 668
 669                         if (!prefs_common.resize_img) {
 670                                 pixbuf = gdk_pixbuf_new_from_file(filename, &error);
 671                         } else {
 672                                 gint w, h;
 673                                 gdk_pixbuf_get_file_info(filename, &w, &h);
 674                                 if (w > textview->scrolledwin->allocation.width - 100)
 675                                         pixbuf = gdk_pixbuf_new_from_file_at_scale(filename,
 676                                                 textview->scrolledwin->allocation.width - 100,
 677                                                 -1, TRUE, &error);
 678                                 else
 679                                         pixbuf = gdk_pixbuf_new_from_file(filename, &error);
 680                         }
 681                         if (error != NULL) {
 682                                 g_warning("%s\n", error->message);
 683                                 g_error_free(error);
 684                         }
 685                         if (!pixbuf) {
 686                                 g_warning("Can't load the image.");
 687                                 g_free(filename);
 688                                 END_TIMING();
 689                                 return;
 690                         }
 691
 692                         uri_str = g_filename_to_uri(filename, NULL, NULL);
 693                         if (uri_str) {
 694                                 uri = g_new0(ClickableText, 1);
 695                                 uri->uri = uri_str;
 696                                 uri->start = gtk_text_iter_get_offset(&iter);
 697
 698                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 699
 700                                 uri->end = uri->start + 1;
 701                                 uri->filename = procmime_get_part_file_name(mimeinfo);
 702                                 textview->uri_list =
 703                                         g_slist_prepend(textview->uri_list, uri);
 704
 705                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 706                                 gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, uri->start);
 707                                 gtk_text_buffer_apply_tag_by_name(buffer, "link",
 708                                                 &start_iter, &iter);
 709                         } else {
 710                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 711                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 712                         }
 713
 714                         g_object_unref(pixbuf);
 715                         g_free(filename);
 716                         END_TIMING();
 717                         GTK_EVENTS_FLUSH();
 718                 }
 719         } else if (mimeinfo->type == MIMETYPE_TEXT) {
 720                 if (prefs_common.display_header && (charcount > 0))
 721                         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 722
 723                 textview_write_body(textview, mimeinfo);
 724         }
 725         END_TIMING();
 726 }
 727
 728 static void recursive_add_parts(TextView *textview, GNode *node)
 729 {
 730         GNode * iter;
 731         MimeInfo *mimeinfo;
 732         START_TIMING("");
 733
 734         mimeinfo = (MimeInfo *) node->data;
 735
 736         textview_add_part(textview, mimeinfo);
 737
 738         if ((mimeinfo->type != MIMETYPE_MULTIPART) &&
 739             (mimeinfo->type != MIMETYPE_MESSAGE)) {
 740                 END_TIMING();
 741                 return;
 742         }
 743         if (g_ascii_strcasecmp(mimeinfo->subtype, "alternative") == 0) {
 744                 GNode * prefered_body;
 745                 int prefered_score;
 746
 747                 /*
 748                   text/plain : score 3
 749                   text/ *    : score 2
 750                   other      : score 1
 751                 */
 752                 prefered_body = NULL;
 753                 prefered_score = 0;
 754
 755                 for (iter = g_node_first_child(node) ; iter != NULL ;
 756                      iter = g_node_next_sibling(iter)) {
 757                         int score;
 758                         MimeInfo * submime;
 759
 760                         score = 1;
 761                         submime = (MimeInfo *) iter->data;
 762                         if (submime->type == MIMETYPE_TEXT)
 763                                 score = 2;
 764
 765                         if (submime->subtype != NULL) {
 766                                 if (g_ascii_strcasecmp(submime->subtype, "plain") == 0)
 767                                         score = 3;
 768                         }
 769
 770                         if (score > prefered_score) {
 771                                 prefered_score = score;
 772                                 prefered_body = iter;
 773                         }
 774                 }
 775
 776                 if (prefered_body != NULL) {
 777                         recursive_add_parts(textview, prefered_body);
 778                 }
 779         }
 780         else {
 781                 for (iter = g_node_first_child(node) ; iter != NULL ;
 782                      iter = g_node_next_sibling(iter)) {
 783                         recursive_add_parts(textview, iter);
 784                 }
 785         }
 786         END_TIMING();
 787 }
 788
 789 static void textview_add_parts(TextView *textview, MimeInfo *mimeinfo)
 790 {
 791         g_return_if_fail(mimeinfo != NULL);
 792
 793         recursive_add_parts(textview, mimeinfo->node);
 794 }
 795
 796 void textview_show_error(TextView *textview)
 797 {
 798         GtkTextView *text;
 799         GtkTextBuffer *buffer;
 800         GtkTextIter iter;
 801
 802         textview_set_font(textview, NULL);
 803         textview_clear(textview);
 804
 805         text = GTK_TEXT_VIEW(textview->text);
 806         buffer = gtk_text_view_get_buffer(text);
 807         gtk_text_buffer_get_start_iter(buffer, &iter);
 808
 809         TEXTVIEW_INSERT(_("\n"
 810                       "  This message can't be displayed.\n"
 811                       "  This is probably due to a network error.\n"
 812                       "\n"
 813                       "  Use "));
 814         TEXTVIEW_INSERT_LINK(_("'View Log'"), "sc://view_log", NULL);
 815         TEXTVIEW_INSERT(_(" in the Tools menu for more information."));
 816         textview_show_icon(textview, GTK_STOCK_DIALOG_ERROR);
 817
 818 }
 819
 820 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
 821 {
 822         GtkTextView *text;
 823         GtkTextBuffer *buffer;
 824         GtkTextIter iter;
 825
 826         if (!partinfo) return;
 827
 828         textview_set_font(textview, NULL);
 829         textview_clear(textview);
 830
 831         text = GTK_TEXT_VIEW(textview->text);
 832         buffer = gtk_text_view_get_buffer(text);
 833         gtk_text_buffer_get_start_iter(buffer, &iter);
 834
 835         TEXTVIEW_INSERT("\n");
 836         TEXTVIEW_INSERT(_("  The following can be performed on this part by\n"));
 837         TEXTVIEW_INSERT(_("  right-clicking the icon or list item:\n"));
 838
 839         TEXTVIEW_INSERT(_("     - To save, select "));
 840         TEXTVIEW_INSERT_LINK(_("'Save as...'"), "sc://save_as", NULL);
 841         TEXTVIEW_INSERT(_(" (Shortcut key: 'y')\n"));
 842         TEXTVIEW_INSERT(_("     - To display as text, select "));
 843         TEXTVIEW_INSERT_LINK(_("'Display as text'"), "sc://display_as_text", NULL);
 844         TEXTVIEW_INSERT(_(" (Shortcut key: 't')\n"));
 845         TEXTVIEW_INSERT(_("     - To open with an external program, select "));
 846         TEXTVIEW_INSERT_LINK(_("'Open'"), "sc://open", NULL);
 847         TEXTVIEW_INSERT(_(" (Shortcut key: 'l')\n"));
 848         TEXTVIEW_INSERT(_("       (alternately double-click, or click the middle "));
 849         TEXTVIEW_INSERT(_("mouse button)\n"));
 850         TEXTVIEW_INSERT(_("     - Or use "));
 851         TEXTVIEW_INSERT_LINK(_("'Open with...'"), "sc://open_with", NULL);
 852         TEXTVIEW_INSERT(_(" (Shortcut key: 'o')\n"));
 853         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
 854 }
 855
 856 static void textview_write_body(TextView *textview, MimeInfo *mimeinfo)
 857 {
 858         FILE *tmpfp;
 859         gchar buf[BUFFSIZE];
 860         CodeConverter *conv;
 861         const gchar *charset, *p, *cmd;
 862         GSList *cur;
 863         int lines = 0;
 864
 865         if (textview->messageview->forced_charset)
 866                 charset = textview->messageview->forced_charset;
 867         else
 868                 charset = procmime_mimeinfo_get_parameter(mimeinfo, "charset");
 869
 870         textview_set_font(textview, charset);
 871
 872         conv = conv_code_converter_new(charset);
 873
 874         procmime_force_encoding(textview->messageview->forced_encoding);
 875
 876         textview->is_in_signature = FALSE;
 877
 878         procmime_decode_content(mimeinfo);
 879
 880         if (!g_ascii_strcasecmp(mimeinfo->subtype, "html") &&
 881             prefs_common.render_html) {
 882                 gchar *filename;
 883
 884                 filename = procmime_get_tmp_file_name(mimeinfo);
 885                 if (procmime_get_part(filename, mimeinfo) == 0) {
 886                         tmpfp = g_fopen(filename, "rb");
 887                         textview_show_html(textview, tmpfp, conv);
 888                         fclose(tmpfp);
 889                         g_unlink(filename);
 890                 }
 891                 g_free(filename);
 892         } else if (!g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
 893                 gchar *filename;
 894
 895                 filename = procmime_get_tmp_file_name(mimeinfo);
 896                 if (procmime_get_part(filename, mimeinfo) == 0) {
 897                         tmpfp = g_fopen(filename, "rb");
 898                         textview_show_ertf(textview, tmpfp, conv);
 899                         fclose(tmpfp);
 900                         g_unlink(filename);
 901                 }
 902                 g_free(filename);
 903 #ifndef G_OS_WIN32
 904         } else if ( g_ascii_strcasecmp(mimeinfo->subtype, "plain") &&
 905                    (cmd = prefs_common.mime_textviewer) && *cmd &&
 906                    (p = strchr(cmd, '%')) && *(p + 1) == 's') {
 907                 int pid, pfd[2];
 908                 const gchar *fname;
 909
 910                 fname  = procmime_get_tmp_file_name(mimeinfo);
 911                 if (procmime_get_part(fname, mimeinfo)) goto textview_default;
 912
 913                 g_snprintf(buf, sizeof(buf), cmd, fname);
 914                 debug_print("Viewing text content of type: %s (length: %d) "
 915                         "using %s\n", mimeinfo->subtype, mimeinfo->length, buf);
 916
 917                 if (pipe(pfd) < 0) {
 918                         g_snprintf(buf, sizeof(buf),
 919                                 "pipe failed for textview\n\n%s\n", strerror(errno));
 920                         textview_write_line(textview, buf, conv, TRUE);
 921                         goto textview_default;
 922                 }
 923                 pid = fork();
 924                 if (pid < 0) {
 925                         g_snprintf(buf, sizeof(buf),
 926                                 "fork failed for textview\n\n%s\n", strerror(errno));
 927                         textview_write_line(textview, buf, conv, TRUE);
 928                         close(pfd[0]);
 929                         close(pfd[1]);
 930                         goto textview_default;
 931                 }
 932                 if (pid == 0) { /* child */
 933                         int rc;
 934                         gchar **argv;
 935                         argv = strsplit_with_quote(buf, " ", 0);
 936                         close(1);
 937                         close(pfd[0]);
 938                         dup(pfd[1]);
 939                         rc = execvp(argv[0], argv);
 940                         close(pfd[1]);
 941                         printf (_("The command to view attachment "
 942                                 "as text failed:\n"
 943                                 "    %s\n"
 944                                 "Exit code %d\n"), buf, rc);
 945                         exit(255);
 946                 }
 947                 close(pfd[1]);
 948                 tmpfp = fdopen(pfd[0], "rb");
 949                 while (fgets(buf, sizeof(buf), tmpfp)) {
 950                         textview_write_line(textview, buf, conv, TRUE);
 951
 952                         lines++;
 953                         if (lines % 500 == 0)
 954                                 GTK_EVENTS_FLUSH();
 955                         if (textview->stop_loading) {
 956                                 fclose(tmpfp);
 957                                 waitpid(pid, pfd, 0);
 958                                 unlink(fname);
 959                                 return;
 960                         }
 961                 }
 962
 963                 fclose(tmpfp);
 964                 waitpid(pid, pfd, 0);
 965                 unlink(fname);
 966 #endif
 967         } else {
 968 textview_default:
 969                 lines = 0;
 970                 tmpfp = g_fopen(mimeinfo->data.filename, "rb");
 971                 fseek(tmpfp, mimeinfo->offset, SEEK_SET);
 972                 debug_print("Viewing text content of type: %s (length: %d)\n", mimeinfo->subtype, mimeinfo->length);
 973                 while ((ftell(tmpfp) < mimeinfo->offset + mimeinfo->length) &&
 974                        (fgets(buf, sizeof(buf), tmpfp) != NULL)) {
 975                         textview_write_line(textview, buf, conv, TRUE);
 976                         lines++;
 977                         if (lines % 500 == 0)
 978                                 GTK_EVENTS_FLUSH();
 979                         if (textview->stop_loading) {
 980                                 fclose(tmpfp);
 981                                 return;
 982                         }
 983                 }
 984                 fclose(tmpfp);
 985         }
 986
 987         conv_code_converter_destroy(conv);
 988         procmime_force_encoding(0);
 989
 990         lines = 0;
 991         textview->uri_list = g_slist_reverse(textview->uri_list);
 992         for (cur = textview->uri_list; cur; cur = cur->next) {
 993                 ClickableText *uri = (ClickableText *)cur->data;
 994                 if (!uri->is_quote)
 995                         continue;
 996                 if (!prefs_common.hide_quotes ||
 997                     uri->quote_level+1 < prefs_common.hide_quotes) {
 998                         textview_toggle_quote(textview, cur, uri, TRUE);
 999                         lines++;
1000                         if (lines % 500 == 0)
1001                                 GTK_EVENTS_FLUSH();
1002                         if (textview->stop_loading) {
1003                                 return;
1004                         }
1005                 }
1006         }
1007 }
1008
1009 static void textview_show_html(TextView *textview, FILE *fp,
1010                                CodeConverter *conv)
1011 {
1012         SC_HTMLParser *parser;
1013         gchar *str;
1014         gint lines = 0;
1015
1016         parser = sc_html_parser_new(fp, conv);
1017         g_return_if_fail(parser != NULL);
1018
1019         while ((str = sc_html_parse(parser)) != NULL) {
1020                 if (parser->state == SC_HTML_HREF) {
1021                         /* first time : get and copy the URL */
1022                         if (parser->href == NULL) {
1023                                 /* ALF - the sylpheed html parser returns an empty string,
1024                                  * if still inside an <a>, but already parsed past HREF */
1025                                 str = strtok(str, " ");
1026                                 if (str) {
1027                                         while (str && *str && g_ascii_isspace(*str))
1028                                                 str++;
1029                                         parser->href = g_strdup(str);
1030                                         /* the URL may (or not) be followed by the
1031                                          * referenced text */
1032                                         str = strtok(NULL, "");
1033                                 }
1034                         }
1035                         if (str != NULL)
1036                                 textview_write_link(textview, str, parser->href, NULL);
1037                 } else
1038                         textview_write_line(textview, str, NULL, FALSE);
1039                 lines++;
1040                 if (lines % 500 == 0)
1041                         GTK_EVENTS_FLUSH();
1042                 if (textview->stop_loading) {
1043                         return;
1044                 }
1045         }
1046         textview_write_line(textview, "\n", NULL, FALSE);
1047         sc_html_parser_destroy(parser);
1048 }
1049
1050 static void textview_show_ertf(TextView *textview, FILE *fp,
1051                                CodeConverter *conv)
1052 {
1053         ERTFParser *parser;
1054         gchar *str;
1055         gint lines = 0;
1056
1057         parser = ertf_parser_new(fp, conv);
1058         g_return_if_fail(parser != NULL);
1059
1060         while ((str = ertf_parse(parser)) != NULL) {
1061                 textview_write_line(textview, str, NULL, FALSE);
1062                 lines++;
1063                 if (lines % 500 == 0)
1064                         GTK_EVENTS_FLUSH();
1065                 if (textview->stop_loading) {
1066                         return;
1067                 }
1068         }
1069
1070         ertf_parser_destroy(parser);
1071 }
1072
1073 #define ADD_TXT_POS(bp_, ep_, pti_) \
1074         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1075                 last = last->next; \
1076                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1077                 last->next = NULL; \
1078         } else { \
1079                 g_warning("alloc error scanning URIs\n"); \
1080                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, \
1081                                                          linebuf, -1, \
1082                                                          fg_tag, NULL); \
1083                 return; \
1084         }
1085
1086 #define ADD_TXT_POS_LATER(bp_, ep_, pti_) \
1087         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1088                 last = last->next; \
1089                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1090                 last->next = NULL; \
1091         } else { \
1092                 g_warning("alloc error scanning URIs\n"); \
1093         }
1094
1095 /* textview_make_clickable_parts() - colorizes clickable parts */
1096 static void textview_make_clickable_parts(TextView *textview,
1097                                           const gchar *fg_tag,
1098                                           const gchar *uri_tag,
1099                                           const gchar *linebuf,
1100                                           gboolean hdr)
1101 {
1102         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1103         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1104         GtkTextIter iter;
1105         gchar *mybuf = g_strdup(linebuf);
1106
1107         /* parse table - in order of priority */
1108         struct table {
1109                 const gchar *needle; /* token */
1110
1111                 /* token search function */
1112                 gchar    *(*search)     (const gchar *haystack,
1113                                          const gchar *needle);
1114                 /* part parsing function */
1115                 gboolean  (*parse)      (const gchar *start,
1116                                          const gchar *scanpos,
1117                                          const gchar **bp_,
1118                                          const gchar **ep_,
1119                                          gboolean hdr);
1120                 /* part to URI function */
1121                 gchar    *(*build_uri)  (const gchar *bp,
1122                                          const gchar *ep);
1123         };
1124
1125         static struct table parser[] = {
1126                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1127                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1128                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1129                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1130                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1131                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1132                 {"@",        strcasestr, get_email_part, make_email_string}
1133         };
1134         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1135
1136         gint  n;
1137         const gchar *walk, *bp, *ep;
1138
1139         struct txtpos {
1140                 const gchar     *bp, *ep;       /* text position */
1141                 gint             pti;           /* index in parse table */
1142                 struct txtpos   *next;          /* next */
1143         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1144
1145         if (!g_utf8_validate(linebuf, -1, NULL)) {
1146                 g_free(mybuf);
1147                 mybuf = g_malloc(strlen(linebuf)*2 +1);
1148                 conv_localetodisp(mybuf, strlen(linebuf)*2 +1, linebuf);
1149         }
1150
1151         gtk_text_buffer_get_end_iter(buffer, &iter);
1152
1153         /* parse for clickable parts, and build a list of begin and end positions  */
1154         for (walk = mybuf, n = 0;;) {
1155                 gint last_index = PARSE_ELEMS;
1156                 gchar *scanpos = NULL;
1157
1158                 /* FIXME: this looks phony. scanning for anything in the parse table */
1159                 for (n = 0; n < PARSE_ELEMS; n++) {
1160                         gchar *tmp;
1161
1162                         tmp = parser[n].search(walk, parser[n].needle);
1163                         if (tmp) {
1164                                 if (scanpos == NULL || tmp < scanpos) {
1165                                         scanpos = tmp;
1166                                         last_index = n;
1167                                 }
1168                         }
1169                 }
1170
1171                 if (scanpos) {
1172                         /* check if URI can be parsed */
1173                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, hdr)
1174                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1175                                         ADD_TXT_POS(bp, ep, last_index);
1176                                         walk = ep;
1177                         } else
1178                                 walk = scanpos +
1179                                         strlen(parser[last_index].needle);
1180                 } else
1181                         break;
1182         }
1183
1184         /* colorize this line */
1185         if (head.next) {
1186                 const gchar *normal_text = mybuf;
1187
1188                 /* insert URIs */
1189                 for (last = head.next; last != NULL;
1190                      normal_text = last->ep, last = last->next) {
1191                         ClickableText *uri;
1192                         uri = g_new0(ClickableText, 1);
1193                         if (last->bp - normal_text > 0)
1194                                 gtk_text_buffer_insert_with_tags_by_name
1195                                         (buffer, &iter,
1196                                          normal_text,
1197                                          last->bp - normal_text,
1198                                          fg_tag, NULL);
1199                         uri->uri = parser[last->pti].build_uri(last->bp,
1200                                                                last->ep);
1201                         uri->start = gtk_text_iter_get_offset(&iter);
1202                         gtk_text_buffer_insert_with_tags_by_name
1203                                 (buffer, &iter, last->bp, last->ep - last->bp,
1204                                  uri_tag, fg_tag, NULL);
1205                         uri->end = gtk_text_iter_get_offset(&iter);
1206                         uri->filename = NULL;
1207                         textview->uri_list =
1208                                 g_slist_prepend(textview->uri_list, uri);
1209                 }
1210
1211                 if (*normal_text)
1212                         gtk_text_buffer_insert_with_tags_by_name
1213                                 (buffer, &iter, normal_text, -1, fg_tag, NULL);
1214         } else {
1215                 gtk_text_buffer_insert_with_tags_by_name
1216                         (buffer, &iter, mybuf, -1, fg_tag, NULL);
1217         }
1218         g_free(mybuf);
1219 }
1220
1221 /* textview_make_clickable_parts() - colorizes clickable parts */
1222 static void textview_make_clickable_parts_later(TextView *textview,
1223                                           gint start, gint end)
1224 {
1225         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1226         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1227         GtkTextIter start_iter, end_iter;
1228         gchar *mybuf;
1229         gint offset = 0;
1230         /* parse table - in order of priority */
1231         struct table {
1232                 const gchar *needle; /* token */
1233
1234                 /* token search function */
1235                 gchar    *(*search)     (const gchar *haystack,
1236                                          const gchar *needle);
1237                 /* part parsing function */
1238                 gboolean  (*parse)      (const gchar *start,
1239                                          const gchar *scanpos,
1240                                          const gchar **bp_,
1241                                          const gchar **ep_,
1242                                          gboolean hdr);
1243                 /* part to URI function */
1244                 gchar    *(*build_uri)  (const gchar *bp,
1245                                          const gchar *ep);
1246         };
1247
1248         static struct table parser[] = {
1249                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1250                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1251                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1252                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1253                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1254                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1255                 {"@",        strcasestr, get_email_part, make_email_string}
1256         };
1257         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1258
1259         gint  n;
1260         const gchar *walk, *bp, *ep;
1261
1262         struct txtpos {
1263                 const gchar     *bp, *ep;       /* text position */
1264                 gint             pti;           /* index in parse table */
1265                 struct txtpos   *next;          /* next */
1266         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1267
1268         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start);
1269         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end);
1270         mybuf = gtk_text_buffer_get_text(buffer, &start_iter, &end_iter, FALSE);
1271         offset = gtk_text_iter_get_offset(&start_iter);
1272
1273         /* parse for clickable parts, and build a list of begin and end positions  */
1274         for (walk = mybuf, n = 0;;) {
1275                 gint last_index = PARSE_ELEMS;
1276                 gchar *scanpos = NULL;
1277
1278                 /* FIXME: this looks phony. scanning for anything in the parse table */
1279                 for (n = 0; n < PARSE_ELEMS; n++) {
1280                         gchar *tmp;
1281
1282                         tmp = parser[n].search(walk, parser[n].needle);
1283                         if (tmp) {
1284                                 if (scanpos == NULL || tmp < scanpos) {
1285                                         scanpos = tmp;
1286                                         last_index = n;
1287                                 }
1288                         }
1289                 }
1290
1291                 if (scanpos) {
1292                         /* check if URI can be parsed */
1293                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, FALSE)
1294                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1295                                         ADD_TXT_POS_LATER(bp, ep, last_index);
1296                                         walk = ep;
1297                         } else
1298                                 walk = scanpos +
1299                                         strlen(parser[last_index].needle);
1300                 } else
1301                         break;
1302         }
1303
1304         /* colorize this line */
1305         if (head.next) {
1306                 /* insert URIs */
1307                 for (last = head.next; last != NULL; last = last->next) {
1308                         ClickableText *uri;
1309                         gint start_offset, end_offset;
1310                         gchar *tmp_str;
1311                         gchar old_char;
1312                         uri = g_new0(ClickableText, 1);
1313                         uri->uri = parser[last->pti].build_uri(last->bp,
1314                                                                last->ep);
1315
1316                         tmp_str = mybuf;
1317                         old_char = tmp_str[last->ep - mybuf];
1318                         tmp_str[last->ep - mybuf] = '\0';
1319                         end_offset = g_utf8_strlen(tmp_str, -1);
1320                         tmp_str[last->ep - mybuf] = old_char;
1321
1322                         old_char = tmp_str[last->bp - mybuf];
1323                         tmp_str[last->bp - mybuf] = '\0';
1324                         start_offset = g_utf8_strlen(tmp_str, -1);
1325                         tmp_str[last->bp - mybuf] = old_char;
1326
1327                         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start_offset + offset);
1328                         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end_offset + offset);
1329
1330                         uri->start = gtk_text_iter_get_offset(&start_iter);
1331
1332                         gtk_text_buffer_apply_tag_by_name(buffer, "link", &start_iter, &end_iter);
1333
1334                         uri->end = gtk_text_iter_get_offset(&end_iter);
1335                         uri->filename = NULL;
1336                         textview->uri_list =
1337                                 g_slist_prepend(textview->uri_list, uri);
1338                 }
1339         }
1340
1341         g_free(mybuf);
1342 }
1343
1344 #undef ADD_TXT_POS
1345
1346 static void textview_write_line(TextView *textview, const gchar *str,
1347                                 CodeConverter *conv, gboolean do_quote_folding)
1348 {
1349         GtkTextView *text;
1350         GtkTextBuffer *buffer;
1351         GtkTextIter iter;
1352         gchar buf[BUFFSIZE];
1353         gchar *fg_color;
1354         gint quotelevel = -1, real_quotelevel = -1;
1355         gchar quote_tag_str[10];
1356
1357         text = GTK_TEXT_VIEW(textview->text);
1358         buffer = gtk_text_view_get_buffer(text);
1359         gtk_text_buffer_get_end_iter(buffer, &iter);
1360
1361         if (!conv)
1362                 strncpy2(buf, str, sizeof(buf));
1363         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1364                 conv_localetodisp(buf, sizeof(buf), str);
1365
1366         strcrchomp(buf);
1367         fg_color = NULL;
1368
1369         /* change color of quotation
1370            >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
1371            Up to 3 levels of quotations are detected, and each
1372            level is colored using a different color. */
1373         if (prefs_common.enable_color
1374             && line_has_quote_char(buf, prefs_common.quote_chars)) {
1375                 real_quotelevel = get_quote_level(buf, prefs_common.quote_chars);
1376                 quotelevel = real_quotelevel;
1377                 /* set up the correct foreground color */
1378                 if (quotelevel > 2) {
1379                         /* recycle colors */
1380                         if (prefs_common.recycle_quote_colors)
1381                                 quotelevel %= 3;
1382                         else
1383                                 quotelevel = 2;
1384                 }
1385         }
1386
1387         if (quotelevel == -1)
1388                 fg_color = NULL;
1389         else {
1390                 g_snprintf(quote_tag_str, sizeof(quote_tag_str),
1391                            "quote%d", quotelevel);
1392                 fg_color = quote_tag_str;
1393         }
1394
1395         if (prefs_common.enable_color && (strcmp(buf,"-- \n") == 0 || textview->is_in_signature)) {
1396                 fg_color = "signature";
1397                 textview->is_in_signature = TRUE;
1398         }
1399
1400         if (real_quotelevel > -1 && do_quote_folding) {
1401                 if ( previousquotelevel != real_quotelevel ) {
1402                         ClickableText *uri;
1403                         uri = g_new0(ClickableText, 1);
1404                         uri->uri = g_strdup("");
1405                         uri->data = g_strdup(buf);
1406                         uri->start = gtk_text_iter_get_offset(&iter);
1407                         uri->is_quote = TRUE;
1408                         uri->quote_level = real_quotelevel;
1409                         uri->fg_color = g_strdup(fg_color);
1410
1411                         gtk_text_buffer_insert_with_tags_by_name
1412                                         (buffer, &iter, " [...]", -1,
1413                                          "qlink", fg_color, NULL);
1414                         uri->end = gtk_text_iter_get_offset(&iter);
1415                         gtk_text_buffer_insert(buffer, &iter, "  \n", -1);
1416
1417                         uri->filename = NULL;
1418                         textview->uri_list =
1419                                 g_slist_prepend(textview->uri_list, uri);
1420
1421                         previousquotelevel = real_quotelevel;
1422                 } else {
1423                         GSList *last = textview->uri_list;
1424                         ClickableText *lasturi = (ClickableText *)last->data;
1425                         gint e_len = lasturi->data ? strlen(lasturi->data):0;
1426                         gint n_len = strlen(buf);
1427                         lasturi->data = g_realloc((gchar *)lasturi->data, e_len + n_len + 1);
1428                         strcpy((gchar *)lasturi->data + e_len, buf);
1429                         *((gchar *)lasturi->data + e_len + n_len) = '\0';
1430                 }
1431         } else {
1432                 textview_make_clickable_parts(textview, fg_color, "link", buf, FALSE);
1433                 previousquotelevel = -1;
1434         }
1435 }
1436
1437 void textview_write_link(TextView *textview, const gchar *str,
1438                          const gchar *uri, CodeConverter *conv)
1439 {
1440         GdkColor *link_color = NULL;
1441         GtkTextView *text;
1442         GtkTextBuffer *buffer;
1443         GtkTextIter iter;
1444         gchar buf[BUFFSIZE];
1445         gchar *bufp;
1446         ClickableText *r_uri;
1447
1448         if (!str || *str == '\0')
1449                 return;
1450         if (!uri)
1451                 return;
1452
1453         while (uri && *uri && g_ascii_isspace(*uri))
1454                 uri++;
1455
1456         text = GTK_TEXT_VIEW(textview->text);
1457         buffer = gtk_text_view_get_buffer(text);
1458         gtk_text_buffer_get_end_iter(buffer, &iter);
1459
1460         if (!conv)
1461                 strncpy2(buf, str, sizeof(buf));
1462         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1463                 conv_utf8todisp(buf, sizeof(buf), str);
1464
1465         if (g_utf8_validate(buf, -1, NULL) == FALSE)
1466                 return;
1467
1468         strcrchomp(buf);
1469
1470         gtk_text_buffer_get_end_iter(buffer, &iter);
1471         for (bufp = buf; *bufp != '\0'; bufp = g_utf8_next_char(bufp)) {
1472                 gunichar ch;
1473
1474                 ch = g_utf8_get_char(bufp);
1475                 if (!g_unichar_isspace(ch))
1476                         break;
1477         }
1478         if (bufp > buf)
1479                 gtk_text_buffer_insert(buffer, &iter, buf, bufp - buf);
1480
1481         if (prefs_common.enable_color) {
1482                 link_color = &uri_color;
1483         }
1484         r_uri = g_new0(ClickableText, 1);
1485         r_uri->uri = g_strdup(uri);
1486         r_uri->start = gtk_text_iter_get_offset(&iter);
1487         gtk_text_buffer_insert_with_tags_by_name
1488                 (buffer, &iter, bufp, -1, "link", NULL);
1489         r_uri->end = gtk_text_iter_get_offset(&iter);
1490         r_uri->filename = NULL;
1491         textview->uri_list = g_slist_prepend(textview->uri_list, r_uri);
1492 }
1493
1494 static void textview_set_cursor(GdkWindow *window, GdkCursor *cursor)
1495 {
1496         if (GDK_IS_WINDOW(window))
1497                 gdk_window_set_cursor(window, cursor);
1498 }
1499 void textview_clear(TextView *textview)
1500 {
1501         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1502         GtkTextBuffer *buffer;
1503         GdkWindow *window = gtk_text_view_get_window(text,
1504                                 GTK_TEXT_WINDOW_TEXT);
1505
1506         buffer = gtk_text_view_get_buffer(text);
1507         gtk_text_buffer_set_text(buffer, "", -1);
1508
1509         TEXTVIEW_STATUSBAR_POP(textview);
1510         textview_uri_list_remove_all(textview->uri_list);
1511         textview->uri_list = NULL;
1512         textview->uri_hover = NULL;
1513
1514         textview->body_pos = 0;
1515         if (textview->image)
1516                 gtk_widget_destroy(textview->image);
1517         textview->image = NULL;
1518
1519         if (textview->messageview->mainwin->cursor_count == 0) {
1520                 textview_set_cursor(window, text_cursor);
1521         } else {
1522                 textview_set_cursor(window, watch_cursor);
1523         }
1524 }
1525
1526 void textview_destroy(TextView *textview)
1527 {
1528         GtkTextBuffer *buffer;
1529         GtkClipboard *clipboard;
1530
1531         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1532         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1533         gtk_text_buffer_remove_selection_clipboard(buffer, clipboard);
1534
1535         textview_uri_list_remove_all(textview->uri_list);
1536         textview->uri_list = NULL;
1537
1538         g_free(textview);
1539 }
1540
1541 void textview_set_all_headers(TextView *textview, gboolean all_headers)
1542 {
1543         textview->show_all_headers = all_headers;
1544 }
1545
1546 #define CHANGE_TAG_FONT(tagname, font) { \
1547         tag = gtk_text_tag_table_lookup(tags, tagname); \
1548         if (tag) \
1549                 g_object_set(G_OBJECT(tag), "font-desc", font, NULL); \
1550 }
1551
1552 void textview_set_font(TextView *textview, const gchar *codeset)
1553 {
1554         GtkTextTag *tag;
1555         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1556         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
1557
1558         if (NORMAL_FONT) {
1559                 PangoFontDescription *font_desc, *bold_font_desc;
1560                 font_desc = pango_font_description_from_string
1561                                                 (NORMAL_FONT);
1562                 bold_font_desc = pango_font_description_from_string
1563                                                 (NORMAL_FONT);
1564                 if (font_desc) {
1565                         gtk_widget_modify_font(textview->text, font_desc);
1566                         CHANGE_TAG_FONT("header", font_desc);
1567                         pango_font_description_free(font_desc);
1568                 }
1569                 if (bold_font_desc) {
1570                         pango_font_description_set_weight
1571                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
1572                         CHANGE_TAG_FONT("header_title", bold_font_desc);
1573                         pango_font_description_free(bold_font_desc);
1574                 }
1575         }
1576
1577         if (prefs_common.textfont) {
1578                 PangoFontDescription *font_desc;
1579
1580                 font_desc = pango_font_description_from_string
1581                                                 (prefs_common.textfont);
1582                 if (font_desc) {
1583                         gtk_widget_modify_font(textview->text, font_desc);
1584                         pango_font_description_free(font_desc);
1585                 }
1586         }
1587         gtk_text_view_set_pixels_above_lines(GTK_TEXT_VIEW(textview->text),
1588                                              prefs_common.line_space / 2);
1589         gtk_text_view_set_pixels_below_lines(GTK_TEXT_VIEW(textview->text),
1590                                              prefs_common.line_space / 2);
1591 }
1592
1593 void textview_set_text(TextView *textview, const gchar *text)
1594 {
1595         GtkTextView *view;
1596         GtkTextBuffer *buffer;
1597
1598         g_return_if_fail(textview != NULL);
1599         g_return_if_fail(text != NULL);
1600
1601         textview_clear(textview);
1602
1603         view = GTK_TEXT_VIEW(textview->text);
1604         buffer = gtk_text_view_get_buffer(view);
1605         gtk_text_buffer_set_text(buffer, text, strlen(text));
1606 }
1607
1608 enum
1609 {
1610         H_DATE          = 0,
1611         H_FROM          = 1,
1612         H_TO            = 2,
1613         H_NEWSGROUPS    = 3,
1614         H_SUBJECT       = 4,
1615         H_CC            = 5,
1616         H_REPLY_TO      = 6,
1617         H_FOLLOWUP_TO   = 7,
1618         H_X_MAILER      = 8,
1619         H_X_NEWSREADER  = 9,
1620         H_USER_AGENT    = 10,
1621         H_ORGANIZATION  = 11,
1622 };
1623
1624 void textview_set_position(TextView *textview, gint pos)
1625 {
1626         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1627
1628         gtkut_text_view_set_position(text, pos);
1629 }
1630
1631 static gboolean header_is_internal(Header *header)
1632 {
1633         const gchar *internal_hdrs[] =
1634                 {"AF:", "NF:", "PS:", "SRH:", "SFN:", "DSR:", "MID:",
1635                  "CFG:", "PT:", "S:", "RQ:", "SSV:", "NSV:", "SSH:",
1636                  "R:", "MAID:", "SCF:", "RMID:", "FMID:", "NAID:",
1637                  "X-Sylpheed-Account-Id:", "X-Sylpheed-Sign:", "X-Sylpheed-Encrypt:",
1638                  "X-Sylpheed-Privacy-System:", "X-Sylpheed-End-Special-Headers:",
1639                  NULL};
1640         int i;
1641
1642         for (i = 0; internal_hdrs[i]; i++) {
1643                 if (!strcmp(header->name, internal_hdrs[i]))
1644                         return TRUE;
1645         }
1646         return FALSE;
1647 }
1648
1649 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1650 {
1651         gchar buf[BUFFSIZE];
1652         GPtrArray *headers, *sorted_headers;
1653         GSList *disphdr_list;
1654         Header *header;
1655         gint i;
1656
1657         g_return_val_if_fail(fp != NULL, NULL);
1658
1659         if (textview->show_all_headers) {
1660                 headers = procheader_get_header_array_asis(fp);
1661                 sorted_headers = g_ptr_array_new();
1662                 for (i = 0; i < headers->len; i++) {
1663                         header = g_ptr_array_index(headers, i);
1664                         if (!header_is_internal(header))
1665                                 g_ptr_array_add(sorted_headers, header);
1666                         else
1667                                 procheader_header_free(header);
1668                 }
1669                 g_ptr_array_free(headers, TRUE);
1670                 return sorted_headers;
1671         }
1672
1673         if (!prefs_common.display_header) {
1674                 while (fgets(buf, sizeof(buf), fp) != NULL)
1675                         if (buf[0] == '\r' || buf[0] == '\n') break;
1676                 return NULL;
1677         }
1678
1679         headers = procheader_get_header_array_asis(fp);
1680
1681         sorted_headers = g_ptr_array_new();
1682
1683         for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1684              disphdr_list = disphdr_list->next) {
1685                 DisplayHeaderProp *dp =
1686                         (DisplayHeaderProp *)disphdr_list->data;
1687
1688                 for (i = 0; i < headers->len; i++) {
1689                         header = g_ptr_array_index(headers, i);
1690
1691                         if (procheader_headername_equal(header->name,
1692                                                         dp->name)) {
1693                                 if (dp->hidden)
1694                                         procheader_header_free(header);
1695                                 else
1696                                         g_ptr_array_add(sorted_headers, header);
1697
1698                                 g_ptr_array_remove_index(headers, i);
1699                                 i--;
1700                         }
1701                 }
1702         }
1703
1704         if (prefs_common.show_other_header) {
1705                 for (i = 0; i < headers->len; i++) {
1706                         header = g_ptr_array_index(headers, i);
1707                         if (!header_is_internal(header)) {
1708                                 g_ptr_array_add(sorted_headers, header);
1709                         } else {
1710                                 procheader_header_free(header);
1711                         }
1712                 }
1713                 g_ptr_array_free(headers, TRUE);
1714         } else
1715                 procheader_header_array_destroy(headers);
1716
1717
1718         return sorted_headers;
1719 }
1720
1721 static void textview_show_face(TextView *textview)
1722 {
1723         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1724         MsgInfo *msginfo = textview->messageview->msginfo;
1725         int x = 0;
1726
1727         if (prefs_common.display_header_pane
1728         ||  !prefs_common.display_xface)
1729                 goto bail;
1730
1731         if (!msginfo->extradata || !msginfo->extradata->face) {
1732                 goto bail;
1733         }
1734
1735         if (textview->image)
1736                 gtk_widget_destroy(textview->image);
1737
1738         textview->image = face_get_from_header(msginfo->extradata->face);
1739         g_return_if_fail(textview->image != NULL);
1740
1741         gtk_widget_show(textview->image);
1742
1743         x = textview->text->allocation.width - WIDTH -5;
1744
1745         gtk_text_view_add_child_in_window(text, textview->image,
1746                 GTK_TEXT_WINDOW_TEXT, x, 5);
1747
1748         gtk_widget_show_all(textview->text);
1749
1750
1751         return;
1752 bail:
1753         if (textview->image)
1754                 gtk_widget_destroy(textview->image);
1755         textview->image = NULL;
1756 }
1757
1758 void textview_show_icon(TextView *textview, const gchar *stock_id)
1759 {
1760         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1761         int x = 0;
1762
1763         if (textview->image)
1764                 gtk_widget_destroy(textview->image);
1765
1766         textview->image = gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_DIALOG);
1767         g_return_if_fail(textview->image != NULL);
1768
1769         gtk_widget_show(textview->image);
1770
1771         x = textview->text->allocation.width - WIDTH -5;
1772
1773         gtk_text_view_add_child_in_window(text, textview->image,
1774                 GTK_TEXT_WINDOW_TEXT, x, 5);
1775
1776         gtk_widget_show_all(textview->text);
1777
1778
1779         return;
1780 }
1781
1782 #if HAVE_LIBCOMPFACE
1783 static void textview_show_xface(TextView *textview)
1784 {
1785         MsgInfo *msginfo = textview->messageview->msginfo;
1786         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1787         int x = 0;
1788
1789         if (prefs_common.display_header_pane
1790         ||  !prefs_common.display_xface)
1791                 goto bail;
1792
1793         if (!msginfo || !msginfo->extradata)
1794                 goto bail;
1795
1796         if (msginfo->extradata->face)
1797                 return;
1798
1799         if (!msginfo->extradata->xface || strlen(msginfo->extradata->xface) < 5) {
1800                 goto bail;
1801         }
1802
1803         if (textview->image)
1804                 gtk_widget_destroy(textview->image);
1805
1806         textview->image = xface_get_from_header(msginfo->extradata->xface,
1807                                 &textview->text->style->white,
1808                                 textview->text->window);
1809         g_return_if_fail(textview->image != NULL);
1810
1811         gtk_widget_show(textview->image);
1812
1813         x = textview->text->allocation.width - WIDTH -5;
1814
1815         gtk_text_view_add_child_in_window(text, textview->image,
1816                 GTK_TEXT_WINDOW_TEXT, x, 5);
1817
1818         gtk_widget_show_all(textview->text);
1819
1820         return;
1821 bail:
1822         if (textview->image)
1823                 gtk_widget_destroy(textview->image);
1824         textview->image = NULL;
1825
1826 }
1827 #endif
1828
1829 static void textview_show_header(TextView *textview, GPtrArray *headers)
1830 {
1831         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1832         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1833         GtkTextIter iter;
1834         Header *header;
1835         gint i;
1836
1837         g_return_if_fail(headers != NULL);
1838
1839         for (i = 0; i < headers->len; i++) {
1840                 header = g_ptr_array_index(headers, i);
1841                 g_return_if_fail(header->name != NULL);
1842
1843                 gtk_text_buffer_get_end_iter (buffer, &iter);
1844                 if(prefs_common.trans_hdr == TRUE) {
1845                         gchar *hdr = g_strndup(header->name, strlen(header->name) - 1);
1846                         gchar *trans_hdr = gettext(hdr);
1847                         gtk_text_buffer_insert_with_tags_by_name(buffer,
1848                                 &iter, trans_hdr, -1,
1849                                 "header_title", "header", NULL);
1850                         gtk_text_buffer_insert_with_tags_by_name(buffer,
1851                                 &iter, ":", 1, "header_title", "header", NULL);
1852                         g_free(hdr);
1853                 } else {
1854                         gtk_text_buffer_insert_with_tags_by_name(buffer,
1855                                 &iter, header->name,
1856                                 -1, "header_title", "header", NULL);
1857                 }
1858                 if (header->name[strlen(header->name) - 1] != ' ')
1859                 gtk_text_buffer_insert_with_tags_by_name
1860                                 (buffer, &iter, " ", 1,
1861                                  "header_title", "header", NULL);
1862
1863                 if (procheader_headername_equal(header->name, "Subject") ||
1864                     procheader_headername_equal(header->name, "From")    ||
1865                     procheader_headername_equal(header->name, "To")      ||
1866                     procheader_headername_equal(header->name, "Cc"))
1867                         unfold_line(header->body);
1868
1869                 if ((procheader_headername_equal(header->name, "X-Mailer") ||
1870                      procheader_headername_equal(header->name,
1871                                                  "X-Newsreader")) &&
1872                     strstr(header->body, "Sylpheed-Claws") != NULL) {
1873                         gtk_text_buffer_get_end_iter (buffer, &iter);
1874                         gtk_text_buffer_insert_with_tags_by_name
1875                                 (buffer, &iter, header->body, -1,
1876                                  "header", "emphasis", NULL);
1877                 } else {
1878                         gboolean hdr =
1879                           procheader_headername_equal(header->name, "From") ||
1880                           procheader_headername_equal(header->name, "To") ||
1881                           procheader_headername_equal(header->name, "Cc") ||
1882                           procheader_headername_equal(header->name, "Bcc") ||
1883                           procheader_headername_equal(header->name, "Reply-To") ||
1884                           procheader_headername_equal(header->name, "Sender");
1885                         textview_make_clickable_parts(textview, "header",
1886                                                       "hlink", header->body,
1887                                                       hdr);
1888                 }
1889                 gtk_text_buffer_get_end_iter (buffer, &iter);
1890                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
1891                                                          "header", NULL);
1892         }
1893
1894         textview_show_face(textview);
1895 #if HAVE_LIBCOMPFACE
1896         textview_show_xface(textview);
1897 #endif
1898 }
1899
1900 gboolean textview_search_string(TextView *textview, const gchar *str,
1901                                 gboolean case_sens)
1902 {
1903         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1904
1905         return gtkut_text_view_search_string(text, str, case_sens);
1906 }
1907
1908 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
1909                                          gboolean case_sens)
1910 {
1911         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1912
1913         return gtkut_text_view_search_string_backward(text, str, case_sens);
1914 }
1915
1916 void textview_scroll_one_line(TextView *textview, gboolean up)
1917 {
1918         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1919         GtkAdjustment *vadj = text->vadjustment;
1920
1921         gtkutils_scroll_one_line(GTK_WIDGET(text), vadj, up);
1922 }
1923
1924 gboolean textview_scroll_page(TextView *textview, gboolean up)
1925 {
1926         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1927         GtkAdjustment *vadj = text->vadjustment;
1928
1929         return gtkutils_scroll_page(GTK_WIDGET(text), vadj, up);
1930 }
1931
1932 #define KEY_PRESS_EVENT_STOP() \
1933         g_signal_stop_emission_by_name(G_OBJECT(widget), \
1934                                        "key_press_event");
1935
1936 static gint textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1937                                  TextView *textview)
1938 {
1939         SummaryView *summaryview = NULL;
1940         MessageView *messageview = textview->messageview;
1941
1942         if (!event) return FALSE;
1943         if (messageview->mainwin)
1944                 summaryview = messageview->mainwin->summaryview;
1945
1946         switch (event->keyval) {
1947         case GDK_Tab:
1948         case GDK_Home:
1949         case GDK_Left:
1950         case GDK_Up:
1951         case GDK_Right:
1952         case GDK_Down:
1953         case GDK_Page_Up:
1954         case GDK_Page_Down:
1955         case GDK_End:
1956         case GDK_Control_L:
1957         case GDK_Control_R:
1958                 return FALSE;
1959         case GDK_space:
1960                 if (summaryview)
1961                         summary_pass_key_press_event(summaryview, event);
1962                 else
1963                         mimeview_scroll_page
1964                                 (messageview->mimeview,
1965                                  (event->state &
1966                                   (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
1967                 break;
1968         case GDK_BackSpace:
1969                 mimeview_scroll_page(messageview->mimeview, TRUE);
1970                 break;
1971         case GDK_Return:
1972                 mimeview_scroll_one_line
1973                         (messageview->mimeview, (event->state &
1974                                     (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
1975                 break;
1976         case GDK_Delete:
1977                 if (summaryview)
1978                         summary_pass_key_press_event(summaryview, event);
1979                 break;
1980         case GDK_y:
1981         case GDK_t:
1982         case GDK_l:
1983         case GDK_c:
1984                 if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) == 0) {
1985                         KEY_PRESS_EVENT_STOP();
1986                         mimeview_pass_key_press_event(messageview->mimeview,
1987                                                       event);
1988                         break;
1989                 }
1990                 /* possible fall through */
1991         default:
1992                 if (summaryview &&
1993                     event->window != messageview->mainwin->window->window) {
1994                         GdkEventKey tmpev = *event;
1995
1996                         tmpev.window = messageview->mainwin->window->window;
1997                         KEY_PRESS_EVENT_STOP();
1998                         gtk_widget_event(messageview->mainwin->window,
1999                                          (GdkEvent *)&tmpev);
2000                 }
2001                 break;
2002         }
2003
2004         return TRUE;
2005 }
2006
2007 static gboolean textview_motion_notify(GtkWidget *widget,
2008                                        GdkEventMotion *event,
2009                                        TextView *textview)
2010 {
2011         if (textview->loading)
2012                 return FALSE;
2013         textview_uri_update(textview, event->x, event->y);
2014         gdk_window_get_pointer(widget->window, NULL, NULL, NULL);
2015
2016         return FALSE;
2017 }
2018
2019 static gboolean textview_leave_notify(GtkWidget *widget,
2020                                       GdkEventCrossing *event,
2021                                       TextView *textview)
2022 {
2023         if (textview->loading)
2024                 return FALSE;
2025         textview_uri_update(textview, -1, -1);
2026
2027         return FALSE;
2028 }
2029
2030 static gboolean textview_visibility_notify(GtkWidget *widget,
2031                                            GdkEventVisibility *event,
2032                                            TextView *textview)
2033 {
2034         gint wx, wy;
2035         GdkWindow *window;
2036
2037         if (textview->loading)
2038                 return FALSE;
2039
2040         window = gtk_text_view_get_window(GTK_TEXT_VIEW(widget),
2041                                           GTK_TEXT_WINDOW_TEXT);
2042
2043         /* check if occurred for the text window part */
2044         if (window != event->window)
2045                 return FALSE;
2046
2047         gdk_window_get_pointer(widget->window, &wx, &wy, NULL);
2048         textview_uri_update(textview, wx, wy);
2049
2050         return FALSE;
2051 }
2052
2053 void textview_cursor_wait(TextView *textview)
2054 {
2055         GdkWindow *window = gtk_text_view_get_window(
2056                         GTK_TEXT_VIEW(textview->text),
2057                         GTK_TEXT_WINDOW_TEXT);
2058         textview_set_cursor(window, watch_cursor);
2059 }
2060
2061 void textview_cursor_normal(TextView *textview)
2062 {
2063         GdkWindow *window = gtk_text_view_get_window(
2064                         GTK_TEXT_VIEW(textview->text),
2065                         GTK_TEXT_WINDOW_TEXT);
2066         textview_set_cursor(window, text_cursor);
2067 }
2068
2069 static void textview_uri_update(TextView *textview, gint x, gint y)
2070 {
2071         GtkTextBuffer *buffer;
2072         GtkTextIter start_iter, end_iter;
2073         ClickableText *uri = NULL;
2074
2075         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2076
2077         if (x != -1 && y != -1) {
2078                 gint bx, by;
2079                 GtkTextIter iter;
2080                 GSList *tags;
2081                 GSList *cur;
2082
2083                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview->text),
2084                                                       GTK_TEXT_WINDOW_WIDGET,
2085                                                       x, y, &bx, &by);
2086                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview->text),
2087                                                    &iter, bx, by);
2088
2089                 tags = gtk_text_iter_get_tags(&iter);
2090                 for (cur = tags; cur != NULL; cur = cur->next) {
2091                         GtkTextTag *tag = cur->data;
2092                         char *name;
2093
2094                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
2095
2096                         if ((!strcmp(name, "link") || !strcmp(name, "hlink"))
2097                             && textview_get_uri_range(textview, &iter, tag,
2098                                                       &start_iter, &end_iter)) {
2099
2100                                 uri = textview_get_uri_from_range(textview,
2101                                                                   &iter, tag,
2102                                                                   &start_iter,
2103                                                                   &end_iter);
2104                         }
2105                         g_free(name);
2106                         if (uri)
2107                                 break;
2108                 }
2109                 g_slist_free(tags);
2110         }
2111
2112         if (uri != textview->uri_hover) {
2113                 GdkWindow *window;
2114
2115                 if (textview->uri_hover)
2116                         gtk_text_buffer_remove_tag_by_name(buffer,
2117                                                            "link-hover",
2118                                                            &textview->uri_hover_start_iter,
2119                                                            &textview->uri_hover_end_iter);
2120
2121                 textview->uri_hover = uri;
2122                 if (uri) {
2123                         textview->uri_hover_start_iter = start_iter;
2124                         textview->uri_hover_end_iter = end_iter;
2125                 }
2126
2127                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview->text),
2128                                                   GTK_TEXT_WINDOW_TEXT);
2129                 if (textview->messageview->mainwin->cursor_count == 0) {
2130                         textview_set_cursor(window, uri ? hand_cursor : text_cursor);
2131                 } else {
2132                         textview_set_cursor(window, watch_cursor);
2133                 }
2134
2135                 TEXTVIEW_STATUSBAR_POP(textview);
2136
2137                 if (uri) {
2138                         char *trimmed_uri;
2139
2140                         if (!uri->is_quote)
2141                                 gtk_text_buffer_apply_tag_by_name(buffer,
2142                                                           "link-hover",
2143                                                           &start_iter,
2144                                                           &end_iter);
2145
2146                         trimmed_uri = trim_string(uri->uri, 60);
2147                         TEXTVIEW_STATUSBAR_PUSH(textview, trimmed_uri);
2148                         g_free(trimmed_uri);
2149                 }
2150         }
2151 }
2152
2153 static gboolean textview_get_uri_range(TextView *textview,
2154                                        GtkTextIter *iter,
2155                                        GtkTextTag *tag,
2156                                        GtkTextIter *start_iter,
2157                                        GtkTextIter *end_iter)
2158 {
2159         return get_tag_range(iter, tag, start_iter, end_iter);
2160 }
2161
2162 static ClickableText *textview_get_uri_from_range(TextView *textview,
2163                                               GtkTextIter *iter,
2164                                               GtkTextTag *tag,
2165                                               GtkTextIter *start_iter,
2166                                               GtkTextIter *end_iter)
2167 {
2168         gint start_pos, end_pos, cur_pos;
2169         ClickableText *uri = NULL;
2170         GSList *cur;
2171
2172         start_pos = gtk_text_iter_get_offset(start_iter);
2173         end_pos = gtk_text_iter_get_offset(end_iter);
2174         cur_pos = gtk_text_iter_get_offset(iter);
2175
2176         for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
2177                 ClickableText *uri_ = (ClickableText *)cur->data;
2178                 if (start_pos == uri_->start &&
2179                     end_pos ==  uri_->end) {
2180                         uri = uri_;
2181                         break;
2182                 }
2183         }
2184         for (cur = textview->uri_list; uri == NULL && cur != NULL; cur = cur->next) {
2185                 ClickableText *uri_ = (ClickableText *)cur->data;
2186                 if (start_pos == uri_->start ||
2187                            end_pos == uri_->end) {
2188                         /* in case of contiguous links, textview_get_uri_range
2189                          * returns a broader range (start of 1st link to end
2190                          * of last link).
2191                          * In that case, correct link is the one covering
2192                          * current iter.
2193                          */
2194                         if (uri_->start <= cur_pos && cur_pos <= uri_->end) {
2195                                 uri = uri_;
2196                                 break;
2197                         }
2198                 }
2199         }
2200
2201         return uri;
2202 }
2203
2204 static ClickableText *textview_get_uri(TextView *textview,
2205                                    GtkTextIter *iter,
2206                                    GtkTextTag *tag)
2207 {
2208         GtkTextIter start_iter, end_iter;
2209         ClickableText *uri = NULL;
2210
2211         if (textview_get_uri_range(textview, iter, tag, &start_iter,
2212                                    &end_iter))
2213                 uri = textview_get_uri_from_range(textview, iter, tag,
2214                                                   &start_iter, &end_iter);
2215
2216         return uri;
2217 }
2218
2219 static void textview_shift_uris_after(TextView *textview, GSList *start_list, gint start, gint shift)
2220 {
2221         GSList *cur;
2222         if (!start_list)
2223                 start_list = textview->uri_list;
2224
2225         for (cur = start_list; cur; cur = cur->next) {
2226                 ClickableText *uri = (ClickableText *)cur->data;
2227                 if (uri->start <= start)
2228                         continue;
2229                 uri->start += shift;
2230                 uri->end += shift;
2231         }
2232 }
2233
2234 static void textview_remove_uris_in(TextView *textview, gint start, gint end)
2235 {
2236         GSList *cur;
2237         for (cur = textview->uri_list; cur; ) {
2238                 ClickableText *uri = (ClickableText *)cur->data;
2239                 if (uri->start > start && uri->end < end) {
2240                         cur = cur->next;
2241                         textview->uri_list = g_slist_remove(textview->uri_list, uri);
2242                         g_free(uri->uri);
2243                         g_free(uri->filename);
2244                         if (uri->is_quote) {
2245                                 g_free(uri->fg_color);
2246                                 g_free(uri->data);
2247                                 /* (only free data in quotes uris) */
2248                         }
2249                         g_free(uri);
2250                 } else {
2251                         cur = cur->next;
2252                 }
2253
2254         }
2255 }
2256
2257 static void textview_toggle_quote(TextView *textview, GSList *start_list, ClickableText *uri, gboolean expand_only)
2258 {
2259         GtkTextIter start, end;
2260         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2261
2262         if (!uri->is_quote)
2263                 return;
2264
2265         if (uri->q_expanded && expand_only)
2266                 return;
2267
2268         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2269         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2270         if (textview->uri_hover)
2271                 gtk_text_buffer_remove_tag_by_name(buffer,
2272                                                    "link-hover",
2273                                                    &textview->uri_hover_start_iter,
2274                                                    &textview->uri_hover_end_iter);
2275         textview->uri_hover = NULL;
2276         gtk_text_buffer_remove_tag_by_name(buffer,
2277                                            "qlink",
2278                                            &start,
2279                                            &end);
2280         /* when shifting URIs start and end, we have to do it per-UTF8-char
2281          * so use g_utf8_strlen(). OTOH, when inserting in the text buffer,
2282          * we have to pass a number of bytes, so use strlen(). disturbing. */
2283
2284         if (!uri->q_expanded) {
2285                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2286                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2287                 textview_shift_uris_after(textview, start_list, uri->start,
2288                         g_utf8_strlen((gchar *)uri->data, -1)-strlen(" [...]\n"));
2289                 gtk_text_buffer_delete(buffer, &start, &end);
2290                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2291                 gtk_text_buffer_insert_with_tags_by_name
2292                                 (buffer, &start, (gchar *)uri->data,
2293                                  strlen((gchar *)uri->data)-1,
2294                                  "qlink", (gchar *)uri->fg_color, NULL);
2295                 uri->end = gtk_text_iter_get_offset(&start);
2296                 textview_make_clickable_parts_later(textview,
2297                                           uri->start, uri->end);
2298                 uri->q_expanded = TRUE;
2299         } else {
2300                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2301                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2302                 textview_remove_uris_in(textview, uri->start, uri->end);
2303                 textview_shift_uris_after(textview, start_list, uri->start,
2304                         strlen(" [...]\n")-g_utf8_strlen((gchar *)uri->data, -1));
2305                 gtk_text_buffer_delete(buffer, &start, &end);
2306                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2307                 gtk_text_buffer_insert_with_tags_by_name
2308                                 (buffer, &start, " [...]", -1,
2309                                  "qlink", (gchar *)uri->fg_color, NULL);
2310                 uri->end = gtk_text_iter_get_offset(&start);
2311                 uri->q_expanded = FALSE;
2312         }
2313         if (textview->messageview->mainwin->cursor_count == 0) {
2314                 textview_cursor_normal(textview);
2315         } else {
2316                 textview_cursor_wait(textview);
2317         }
2318 }
2319 static gboolean textview_uri_button_pressed(GtkTextTag *tag, GObject *obj,
2320                                             GdkEvent *event, GtkTextIter *iter,
2321                                             TextView *textview)
2322 {
2323         GdkEventButton *bevent;
2324         ClickableText *uri = NULL;
2325         char *tagname;
2326         gboolean qlink = FALSE;
2327
2328         if (!event)
2329                 return FALSE;
2330
2331         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
2332                 && event->type != GDK_MOTION_NOTIFY)
2333                 return FALSE;
2334
2335         uri = textview_get_uri(textview, iter, tag);
2336         if (!uri)
2337                 return FALSE;
2338
2339         g_object_get(G_OBJECT(tag), "name", &tagname, NULL);
2340
2341         if (!strcmp(tagname, "qlink"))
2342                 qlink = TRUE;
2343
2344         g_free(tagname);
2345
2346         bevent = (GdkEventButton *) event;
2347
2348         /* doubleclick: open compose / add address / browser */
2349         if (qlink && event->type == GDK_BUTTON_PRESS && bevent->button != 1) {
2350                 /* pass rightclick through */
2351                 return FALSE;
2352         } else if ((event->type == (qlink ? GDK_2BUTTON_PRESS:GDK_BUTTON_PRESS) && bevent->button == 1) ||
2353                 bevent->button == 2 || bevent->button == 3) {
2354                 if (uri->filename && !g_ascii_strncasecmp(uri->filename, "sc://", 5)) {
2355                         MimeView *mimeview =
2356                                 (textview->messageview)?
2357                                         textview->messageview->mimeview:NULL;
2358                         if (mimeview && bevent->button == 1) {
2359                                 mimeview_handle_cmd(mimeview, uri->filename, NULL, uri->data);
2360                         } else if (mimeview && bevent->button == 2 &&
2361                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2362                                 mimeview_handle_cmd(mimeview, "sc://open_attachment", NULL, uri->data);
2363                         } else if (mimeview && bevent->button == 3 &&
2364                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2365                                 mimeview_handle_cmd(mimeview, "sc://menu_attachment", bevent, uri->data);
2366                         }
2367                         return TRUE;
2368                 } else if (qlink && bevent->button == 1) {
2369                         textview_toggle_quote(textview, NULL, uri, FALSE);
2370                         return TRUE;
2371                 } else if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) {
2372                         if (bevent->button == 3) {
2373                                 g_object_set_data(
2374                                         G_OBJECT(textview->mail_popup_menu),
2375                                         "menu_button", uri);
2376                                 gtk_menu_popup(GTK_MENU(textview->mail_popup_menu),
2377                                                NULL, NULL, NULL, NULL,
2378                                                bevent->button, bevent->time);
2379                         } else {
2380                                 PrefsAccount *account = NULL;
2381                                 FolderItem   *folder_item = NULL;
2382                                 if (textview->messageview && textview->messageview->msginfo &&
2383                                     textview->messageview->msginfo->folder) {
2384
2385
2386                                         folder_item = textview->messageview->msginfo->folder;
2387                                         if (folder_item->prefs && folder_item->prefs->enable_default_account)
2388                                                 account = account_find_from_id(folder_item->prefs->default_account);
2389                                 }
2390                                 compose_new_with_folderitem(account, folder_item, uri->uri + 7);
2391                         }
2392                         return TRUE;
2393                 } else if (g_ascii_strncasecmp(uri->uri, "file:", 5)) {
2394                         if (bevent->button == 1 &&
2395                             textview_uri_security_check(textview, uri) == TRUE)
2396                                         open_uri(uri->uri,
2397                                                  prefs_common.uri_cmd);
2398                         else if (bevent->button == 3 && !qlink) {
2399                                 g_object_set_data(
2400                                         G_OBJECT(textview->link_popup_menu),
2401                                         "menu_button", uri);
2402                                 gtk_menu_popup(GTK_MENU(textview->link_popup_menu),
2403                                                NULL, NULL, NULL, NULL,
2404                                                bevent->button, bevent->time);
2405                         }
2406                         return TRUE;
2407                 } else {
2408                         if (bevent->button == 3 && !qlink) {
2409                                 g_object_set_data(
2410                                         G_OBJECT(textview->file_popup_menu),
2411                                         "menu_button", uri);
2412                                 gtk_menu_popup(GTK_MENU(textview->file_popup_menu),
2413                                                NULL, NULL, NULL, NULL,
2414                                                bevent->button, bevent->time);
2415                                 return TRUE;
2416                         }
2417                 }
2418         }
2419
2420         return FALSE;
2421 }
2422
2423 /*!
2424  *\brief    Check to see if a web URL has been disguised as a different
2425  *          URL (possible with HTML email).
2426  *
2427  *\param    uri The uri to check
2428  *
2429  *\param    textview The TextView the URL is contained in
2430  *
2431  *\return   gboolean TRUE if the URL is ok, or if the user chose to open
2432  *          it anyway, otherwise FALSE
2433  */
2434 static gboolean textview_uri_security_check(TextView *textview, ClickableText *uri)
2435 {
2436         gchar *visible_str;
2437         gboolean retval = TRUE;
2438         GtkTextBuffer *buffer;
2439         GtkTextIter start, end;
2440
2441         if (is_uri_string(uri->uri) == FALSE)
2442                 return TRUE;
2443
2444         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2445
2446         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2447         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2448
2449         visible_str = gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
2450
2451         if (visible_str == NULL)
2452                 return TRUE;
2453
2454         if (strcmp(visible_str, uri->uri) != 0 && is_uri_string(visible_str)) {
2455                 gchar *uri_path;
2456                 gchar *visible_uri_path;
2457
2458                 uri_path = get_uri_path(uri->uri);
2459                 visible_uri_path = get_uri_path(visible_str);
2460                 if (path_cmp(uri_path, visible_uri_path) != 0)
2461                         retval = FALSE;
2462         }
2463
2464         if (retval == FALSE) {
2465                 gchar *msg;
2466                 AlertValue aval;
2467
2468                 msg = g_markup_printf_escaped(_("The real URL is different from "
2469                                                 "the displayed URL.\n"
2470                                                 "\n"
2471                                                 "<b>Displayed URL:</b> %s\n"
2472                                                 "\n"
2473                                                 "<b>Real URL:</b> %s\n"
2474                                                 "\n"
2475                                                 "Open it anyway?"),
2476                                                visible_str,uri->uri);
2477                 aval = alertpanel_full(_("Phishing attempt warning"), msg,
2478                                        GTK_STOCK_CANCEL, _("_Open URL"), NULL, FALSE,
2479                                        NULL, ALERT_WARNING, G_ALERTDEFAULT);
2480                 g_free(msg);
2481                 if (aval == G_ALERTALTERNATE)
2482                         retval = TRUE;
2483         }
2484
2485         g_free(visible_str);
2486
2487         return retval;
2488 }
2489
2490 static void textview_uri_list_remove_all(GSList *uri_list)
2491 {
2492         GSList *cur;
2493
2494         for (cur = uri_list; cur != NULL; cur = cur->next) {
2495                 if (cur->data) {
2496                         g_free(((ClickableText *)cur->data)->uri);
2497                         g_free(((ClickableText *)cur->data)->filename);
2498                         if (((ClickableText *)cur->data)->is_quote) {
2499                                 g_free(((ClickableText *)cur->data)->fg_color);
2500                                 g_free(((ClickableText *)cur->data)->data);
2501                                 /* (only free data in quotes uris) */
2502                         }
2503                         g_free(cur->data);
2504                 }
2505         }
2506
2507         g_slist_free(uri_list);
2508 }
2509
2510 static void open_uri_cb (TextView *textview, guint action, void *data)
2511 {
2512         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2513                                            "menu_button");
2514         if (uri == NULL)
2515                 return;
2516
2517         if (textview_uri_security_check(textview, uri) == TRUE)
2518                 open_uri(uri->uri,
2519                          prefs_common.uri_cmd);
2520         g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2521                           NULL);
2522 }
2523
2524 static void open_image_cb (TextView *textview, guint action, void *data)
2525 {
2526         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
2527                                            "menu_button");
2528
2529         gchar *cmd = NULL;
2530         gchar buf[1024];
2531         const gchar *p;
2532         gchar *filename = NULL;
2533         gchar *tmp_filename = NULL;
2534
2535         if (uri == NULL)
2536                 return;
2537
2538         if (uri->filename == NULL)
2539                 return;
2540
2541         filename = g_strdup(uri->filename);
2542
2543         if (!g_utf8_validate(filename, -1, NULL)) {
2544                 gchar *tmp = conv_filename_to_utf8(filename);
2545                 g_free(filename);
2546                 filename = tmp;
2547         }
2548
2549         subst_for_filename(filename);
2550
2551         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
2552         copy_file(tmp_filename, filename, FALSE);
2553         g_free(tmp_filename);
2554
2555         cmd = mailcap_get_command_for_type("image/jpeg", filename);
2556         if (cmd == NULL) {
2557                 gboolean remember = FALSE;
2558                 cmd = input_dialog_combo_remember
2559                         (_("Open with"),
2560                          _("Enter the command line to open file:\n"
2561                            "('%s' will be replaced with file name)"),
2562                          prefs_common.mime_open_cmd,
2563                          prefs_common.mime_open_cmd_history,
2564                          TRUE, &remember);
2565                 if (cmd && remember) {
2566                         mailcap_update_default("image/jpeg", cmd);
2567                 }
2568         }
2569         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2570             !strchr(p + 2, '%'))
2571                 g_snprintf(buf, sizeof(buf), cmd, filename);
2572         else {
2573                 g_warning("Image viewer command line is invalid: '%s'", cmd);
2574                 return;
2575         }
2576
2577         execute_command_line(buf, TRUE);
2578
2579         g_free(filename);
2580         g_free(cmd);
2581
2582         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
2583                           NULL);
2584 }
2585
2586 static void save_file_cb (TextView *textview, guint action, void *data)
2587 {
2588         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
2589                                            "menu_button");
2590         gchar *filename = NULL;
2591         gchar *filepath = NULL;
2592         gchar *filedir = NULL;
2593         gchar *tmp_filename = NULL;
2594         if (uri == NULL)
2595                 return;
2596
2597         if (uri->filename == NULL)
2598                 return;
2599
2600         filename = g_strdup(uri->filename);
2601
2602         if (!g_utf8_validate(filename, -1, NULL)) {
2603                 gchar *tmp = conv_filename_to_utf8(filename);
2604                 g_free(filename);
2605                 filename = tmp;
2606         }
2607
2608         subst_for_filename(filename);
2609
2610         if (prefs_common.attach_save_dir)
2611                 filepath = g_strconcat(prefs_common.attach_save_dir,
2612                                        G_DIR_SEPARATOR_S, filename, NULL);
2613         else
2614                 filepath = g_strdup(filename);
2615
2616         g_free(filename);
2617
2618         filename = filesel_select_file_save(_("Save as"), filepath);
2619         if (!filename) {
2620                 g_free(filepath);
2621                 return;
2622         }
2623
2624         if (is_file_exist(filename)) {
2625                 AlertValue aval;
2626                 gchar *res;
2627
2628                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
2629                                       filename);
2630                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
2631                                   GTK_STOCK_OK, NULL);
2632                 g_free(res);
2633                 if (G_ALERTALTERNATE != aval)
2634                         return;
2635         }
2636
2637         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
2638         copy_file(tmp_filename, filename, FALSE);
2639         g_free(tmp_filename);
2640
2641         filedir = g_path_get_dirname(filename);
2642         if (filedir && strcmp(filedir, ".")) {
2643                 g_free(prefs_common.attach_save_dir);
2644                 prefs_common.attach_save_dir = g_strdup(filedir);
2645         }
2646
2647         g_free(filedir);
2648         g_free(filepath);
2649
2650         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
2651                           NULL);
2652 }
2653
2654 static void copy_uri_cb (TextView *textview, guint action, void *data)
2655 {
2656         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2657                                            "menu_button");
2658         if (uri == NULL)
2659                 return;
2660
2661         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri, -1);
2662         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri, -1);
2663         g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2664                           NULL);
2665 }
2666
2667 static void add_uri_to_addrbook_cb (TextView *textview, guint action, void *data)
2668 {
2669         gchar *fromname, *fromaddress;
2670         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
2671                                            "menu_button");
2672         if (uri == NULL)
2673                 return;
2674
2675         /* extract url */
2676         fromaddress = g_strdup(uri->uri + 7);
2677         /* Hiroyuki: please put this function in utils.c! */
2678         fromname = procheader_get_fromname(fromaddress);
2679         extract_address(fromaddress);
2680         g_message("adding from textview %s <%s>", fromname, fromaddress);
2681         /* Add to address book - Match */
2682         addressbook_add_contact( fromname, fromaddress, NULL );
2683
2684         g_free(fromaddress);
2685         g_free(fromname);
2686 }
2687
2688 static void mail_to_uri_cb (TextView *textview, guint action, void *data)
2689 {
2690         PrefsAccount *account = NULL;
2691         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
2692                                            "menu_button");
2693         if (uri == NULL)
2694                 return;
2695
2696         if (textview->messageview && textview->messageview->msginfo &&
2697             textview->messageview->msginfo->folder) {
2698                 FolderItem   *folder_item;
2699
2700                 folder_item = textview->messageview->msginfo->folder;
2701                 if (folder_item->prefs && folder_item->prefs->enable_default_account)
2702                         account = account_find_from_id(folder_item->prefs->default_account);
2703         }
2704         compose_new(account, uri->uri + 7, NULL);
2705 }
2706
2707 static void copy_mail_to_uri_cb (TextView *textview, guint action, void *data)
2708 {
2709         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
2710                                            "menu_button");
2711         if (uri == NULL)
2712                 return;
2713
2714         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri +7, -1);
2715         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri +7, -1);
2716         g_object_set_data(G_OBJECT(textview->mail_popup_menu), "menu_button",
2717                           NULL);
2718 }
2719