src/textview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2011 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  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/gtk.h>
  31 #include <stdio.h>
  32 #include <ctype.h>
  33 #include <string.h>
  34 #include <stdlib.h>
  35 #include <errno.h>
  36 #if HAVE_SYS_WAIT_H
  37 #include <sys/wait.h>
  38 #endif
  39 #if HAVE_LIBCOMPFACE
  40 #  include <compface.h>
  41 #endif
  42
  43 #if HAVE_LIBCOMPFACE
  44 #define XPM_XFACE_HEIGHT        (HEIGHT + 3)  /* 3 = 1 header + 2 colors */
  45 #endif
  46
  47 #include "main.h"
  48 #include "summaryview.h"
  49 #include "procheader.h"
  50 #include "prefs_common.h"
  51 #include "codeconv.h"
  52 #include "utils.h"
  53 #include "gtkutils.h"
  54 #include "procmime.h"
  55 #include "html.h"
  56 #include "enriched.h"
  57 #include "compose.h"
  58 #include "addressbook.h"
  59 #include "displayheader.h"
  60 #include "account.h"
  61 #include "mimeview.h"
  62 #include "alertpanel.h"
  63 #include "menu.h"
  64 #include "image_viewer.h"
  65 #include "filesel.h"
  66 #include "base64.h"
  67 #include "inputdialog.h"
  68 #include "timing.h"
  69 #include "tags.h"
  70 #include "addrindex.h"
  71
  72 static GdkColor quote_colors[3] = {
  73         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  74         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  75         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  76 };
  77
  78 static GdkColor quote_bgcolors[3] = {
  79         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  80         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  81         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  82 };
  83 static GdkColor signature_color = {
  84         (gulong)0,
  85         (gushort)0x7fff,
  86         (gushort)0x7fff,
  87         (gushort)0x7fff
  88 };
  89
  90 static GdkColor uri_color = {
  91         (gulong)0,
  92         (gushort)0,
  93         (gushort)0,
  94         (gushort)0
  95 };
  96
  97 static GdkColor emphasis_color = {
  98         (gulong)0,
  99         (gushort)0,
 100         (gushort)0,
 101         (gushort)0
 102 };
 103
 104 static GdkCursor *hand_cursor = NULL;
 105 static GdkCursor *text_cursor = NULL;
 106 static GdkCursor *watch_cursor= NULL;
 107
 108 #define TEXTVIEW_STATUSBAR_PUSH(textview, str)                              \
 109 {       if (textview->messageview->statusbar)                               \
 110         gtk_statusbar_push(GTK_STATUSBAR(textview->messageview->statusbar), \
 111                            textview->messageview->statusbar_cid, str);      \
 112 }
 113
 114 #define TEXTVIEW_STATUSBAR_POP(textview)                                   \
 115 {       if (textview->messageview->statusbar)                              \
 116         gtk_statusbar_pop(GTK_STATUSBAR(textview->messageview->statusbar), \
 117                           textview->messageview->statusbar_cid);           \
 118 }
 119
 120 static void textview_show_ertf          (TextView       *textview,
 121                                          FILE           *fp,
 122                                          CodeConverter  *conv);
 123 static void textview_add_part           (TextView       *textview,
 124                                          MimeInfo       *mimeinfo);
 125 static void textview_add_parts          (TextView       *textview,
 126                                          MimeInfo       *mimeinfo);
 127 static void textview_write_body         (TextView       *textview,
 128                                          MimeInfo       *mimeinfo);
 129 static void textview_show_html          (TextView       *textview,
 130                                          FILE           *fp,
 131                                          CodeConverter  *conv);
 132
 133 static void textview_write_line         (TextView       *textview,
 134                                          const gchar    *str,
 135                                          CodeConverter  *conv,
 136                                          gboolean        do_quote_folding);
 137 static void textview_write_link         (TextView       *textview,
 138                                          const gchar    *str,
 139                                          const gchar    *uri,
 140                                          CodeConverter  *conv);
 141
 142 static GPtrArray *textview_scan_header  (TextView       *textview,
 143                                          FILE           *fp);
 144 static void textview_show_header        (TextView       *textview,
 145                                          GPtrArray      *headers);
 146
 147 static gint textview_key_pressed                (GtkWidget      *widget,
 148                                                  GdkEventKey    *event,
 149                                                  TextView       *textview);
 150 static gboolean textview_motion_notify          (GtkWidget      *widget,
 151                                                  GdkEventMotion *motion,
 152                                                  TextView       *textview);
 153 static gboolean textview_leave_notify           (GtkWidget        *widget,
 154                                                  GdkEventCrossing *event,
 155                                                  TextView         *textview);
 156 static gboolean textview_visibility_notify      (GtkWidget      *widget,
 157                                                  GdkEventVisibility *event,
 158                                                  TextView       *textview);
 159 static void textview_uri_update                 (TextView       *textview,
 160                                                  gint           x,
 161                                                  gint           y);
 162 static gboolean textview_get_uri_range          (TextView       *textview,
 163                                                  GtkTextIter    *iter,
 164                                                  GtkTextTag     *tag,
 165                                                  GtkTextIter    *start_iter,
 166                                                  GtkTextIter    *end_iter);
 167 static ClickableText *textview_get_uri_from_range       (TextView       *textview,
 168                                                  GtkTextIter    *iter,
 169                                                  GtkTextTag     *tag,
 170                                                  GtkTextIter    *start_iter,
 171                                                  GtkTextIter    *end_iter);
 172 static ClickableText *textview_get_uri          (TextView       *textview,
 173                                                  GtkTextIter    *iter,
 174                                                  GtkTextTag     *tag);
 175 static gboolean textview_uri_button_pressed     (GtkTextTag     *tag,
 176                                                  GObject        *obj,
 177                                                  GdkEvent       *event,
 178                                                  GtkTextIter    *iter,
 179                                                  TextView       *textview);
 180
 181 static void textview_uri_list_remove_all        (GSList         *uri_list);
 182
 183 static void textview_toggle_quote               (TextView       *textview,
 184                                                  GSList         *start_list,
 185                                                  ClickableText  *uri,
 186                                                  gboolean        expand_only);
 187
 188 static void open_uri_cb                         (GtkAction      *action,
 189                                                  TextView       *textview);
 190 static void copy_uri_cb                         (GtkAction      *action,
 191                                                  TextView       *textview);
 192 static void add_uri_to_addrbook_cb              (GtkAction      *action,
 193                                                  TextView       *textview);
 194 static void reply_to_uri_cb                     (GtkAction      *action,
 195                                                  TextView       *textview);
 196 static void mail_to_uri_cb                      (GtkAction      *action,
 197                                                  TextView       *textview);
 198 static void copy_mail_to_uri_cb                 (GtkAction      *action,
 199                                                  TextView       *textview);
 200 static void save_file_cb                        (GtkAction      *action,
 201                                                  TextView       *textview);
 202 static void open_image_cb                       (GtkAction      *action,
 203                                                  TextView       *textview);
 204 static void textview_show_tags(TextView *textview);
 205
 206 static GtkActionEntry textview_link_popup_entries[] =
 207 {
 208         {"TextviewPopupLink",                   NULL, "TextviewPopupLink" },
 209         {"TextviewPopupLink/Open",              NULL, N_("_Open in web browser"), NULL, NULL, G_CALLBACK(open_uri_cb) },
 210         {"TextviewPopupLink/Copy",              NULL, N_("Copy this _link"), NULL, NULL, G_CALLBACK(copy_uri_cb) },
 211 };
 212
 213 static GtkActionEntry textview_mail_popup_entries[] =
 214 {
 215         {"TextviewPopupMail",                   NULL, "TextviewPopupMail" },
 216         {"TextviewPopupMail/Compose",           NULL, N_("Compose _new message"), NULL, NULL, G_CALLBACK(mail_to_uri_cb) },
 217         {"TextviewPopupMail/ReplyTo",           NULL, N_("_Reply to this address"), NULL, NULL, G_CALLBACK(reply_to_uri_cb) },
 218         {"TextviewPopupMail/AddAB",             NULL, N_("Add to _Address book"), NULL, NULL, G_CALLBACK(add_uri_to_addrbook_cb) },
 219         {"TextviewPopupMail/Copy",              NULL, N_("Copy this add_ress"), NULL, NULL, G_CALLBACK(copy_mail_to_uri_cb) },
 220 };
 221
 222 static GtkActionEntry textview_file_popup_entries[] =
 223 {
 224         {"TextviewPopupFile",                   NULL, "TextviewPopupFile" },
 225         {"TextviewPopupFile/Open",              NULL, N_("_Open image"), NULL, NULL, G_CALLBACK(open_image_cb) },
 226         {"TextviewPopupFile/Save",              NULL, N_("_Save image..."), NULL, NULL, G_CALLBACK(save_file_cb) },
 227 };
 228
 229 static void scrolled_cb (GtkAdjustment *adj, TextView *textview)
 230 {
 231 #ifndef WIDTH
 232 #  define WIDTH 48
 233 #  define HEIGHT 48
 234 #endif
 235         if (textview->image) {
 236                 GtkAllocation allocation;
 237                 gint x, y, x1;
 238                 gtk_widget_get_allocation(textview->text, &allocation);
 239                 x1 = allocation.width - WIDTH - 5;
 240                 gtk_text_view_buffer_to_window_coords(
 241                         GTK_TEXT_VIEW(textview->text),
 242                         GTK_TEXT_WINDOW_TEXT, x1, 5, &x, &y);
 243                 gtk_text_view_move_child(GTK_TEXT_VIEW(textview->text),
 244                         textview->image, x1, y);
 245         }
 246 }
 247
 248 static void textview_size_allocate_cb   (GtkWidget      *widget,
 249                                          GtkAllocation  *allocation,
 250                                          gpointer        data)
 251 {
 252         scrolled_cb(NULL, (TextView *)data);
 253 }
 254
 255 TextView *textview_create(void)
 256 {
 257         TextView *textview;
 258         GtkWidget *vbox;
 259         GtkWidget *scrolledwin;
 260         GtkWidget *text;
 261         GtkTextBuffer *buffer;
 262         GtkClipboard *clipboard;
 263         GtkAdjustment *adj;
 264
 265         debug_print("Creating text view...\n");
 266         textview = g_new0(TextView, 1);
 267
 268         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 269         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 270                                        GTK_POLICY_AUTOMATIC,
 271                                        GTK_POLICY_AUTOMATIC);
 272         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
 273                                             GTK_SHADOW_IN);
 274         gtk_widget_set_size_request
 275                 (scrolledwin, prefs_common.mainview_width, -1);
 276
 277         /* create GtkSText widgets for single-byte and multi-byte character */
 278         text = gtk_text_view_new();
 279         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
 280         gtk_widget_show(text);
 281         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
 282         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD_CHAR);
 283         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
 284         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
 285         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
 286
 287         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
 288         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 289         gtk_text_buffer_add_selection_clipboard(buffer, clipboard);
 290
 291         gtk_widget_ensure_style(text);
 292
 293         g_object_ref(scrolledwin);
 294
 295         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
 296
 297         g_signal_connect(G_OBJECT(text), "key-press-event",
 298                          G_CALLBACK(textview_key_pressed), textview);
 299         g_signal_connect(G_OBJECT(text), "motion-notify-event",
 300                          G_CALLBACK(textview_motion_notify), textview);
 301         g_signal_connect(G_OBJECT(text), "leave-notify-event",
 302                          G_CALLBACK(textview_leave_notify), textview);
 303         g_signal_connect(G_OBJECT(text), "visibility-notify-event",
 304                          G_CALLBACK(textview_visibility_notify), textview);
 305         adj = gtk_scrolled_window_get_vadjustment(
 306                 GTK_SCROLLED_WINDOW(scrolledwin));
 307         g_signal_connect(G_OBJECT(adj), "value-changed",
 308                          G_CALLBACK(scrolled_cb), textview);
 309         g_signal_connect(G_OBJECT(text), "size_allocate",
 310                          G_CALLBACK(textview_size_allocate_cb),
 311                          textview);
 312
 313
 314         gtk_widget_show(scrolledwin);
 315
 316         vbox = gtk_vbox_new(FALSE, 0);
 317         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
 318
 319         gtk_widget_show(vbox);
 320
 321
 322         textview->ui_manager = gtk_ui_manager_new();
 323         textview->link_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 324                         "TextviewPopupLink",
 325                         textview_link_popup_entries,
 326                         G_N_ELEMENTS(textview_link_popup_entries), (gpointer)textview);
 327         textview->mail_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 328                         "TextviewPopupMail",
 329                         textview_mail_popup_entries,
 330                         G_N_ELEMENTS(textview_mail_popup_entries), (gpointer)textview);
 331         textview->file_action_group = cm_menu_create_action_group_full(textview->ui_manager,
 332                         "TextviewPopupFile",
 333                         textview_file_popup_entries,
 334                         G_N_ELEMENTS(textview_file_popup_entries), (gpointer)textview);
 335
 336         MENUITEM_ADDUI_MANAGER(textview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 337         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 338                         "/Menus", "TextviewPopupLink", "TextviewPopupLink", GTK_UI_MANAGER_MENU)
 339         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 340                         "/Menus", "TextviewPopupMail", "TextviewPopupMail", GTK_UI_MANAGER_MENU)
 341         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 342                         "/Menus", "TextviewPopupFile", "TextviewPopupFile", GTK_UI_MANAGER_MENU)
 343
 344         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 345                         "/Menus/TextviewPopupLink", "Open", "TextviewPopupLink/Open", GTK_UI_MANAGER_MENUITEM)
 346         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 347                         "/Menus/TextviewPopupLink", "Copy", "TextviewPopupLink/Copy", GTK_UI_MANAGER_MENUITEM)
 348         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 349                         "/Menus/TextviewPopupMail", "Compose", "TextviewPopupMail/Compose", GTK_UI_MANAGER_MENUITEM)
 350         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 351                         "/Menus/TextviewPopupMail", "ReplyTo", "TextviewPopupMail/ReplyTo", GTK_UI_MANAGER_MENUITEM)
 352         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 353                         "/Menus/TextviewPopupMail", "AddAB", "TextviewPopupMail/AddAB", GTK_UI_MANAGER_MENUITEM)
 354         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 355                         "/Menus/TextviewPopupMail", "Copy", "TextviewPopupMail/Copy", GTK_UI_MANAGER_MENUITEM)
 356         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 357                         "/Menus/TextviewPopupFile", "Open", "TextviewPopupFile/Open", GTK_UI_MANAGER_MENUITEM)
 358         MENUITEM_ADDUI_MANAGER(textview->ui_manager,
 359                         "/Menus/TextviewPopupFile", "Save", "TextviewPopupFile/Save", GTK_UI_MANAGER_MENUITEM)
 360
 361         textview->link_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 362                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupLink")) );
 363         textview->mail_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 364                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupMail")) );
 365         textview->file_popup_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 366                                 gtk_ui_manager_get_widget(textview->ui_manager, "/Menus/TextviewPopupFile")) );
 367
 368         textview->vbox               = vbox;
 369         textview->scrolledwin        = scrolledwin;
 370         textview->text               = text;
 371         textview->uri_list           = NULL;
 372         textview->body_pos           = 0;
 373         textview->show_all_headers   = FALSE;
 374         textview->last_buttonpress   = GDK_NOTHING;
 375         textview->image              = NULL;
 376         return textview;
 377 }
 378
 379 static void textview_create_tags(GtkTextView *text, TextView *textview)
 380 {
 381         GtkTextBuffer *buffer;
 382         GtkTextTag *tag, *qtag;
 383 #if !GTK_CHECK_VERSION(3, 0, 0)
 384         static GdkColor yellow, black;
 385         static gboolean color_init = FALSE;
 386 #else
 387         static GdkColor yellow = { (guint32)0, (guint16)0xf5, (guint16)0xf6, (guint16)0xbe };
 388         static GdkColor black = { (guint32)0, (guint16)0x0, (guint16)0x0, (guint16)0x0 };
 389 #endif
 390         static PangoFontDescription *font_desc, *bold_font_desc;
 391
 392 #if !GTK_CHECK_VERSION(3, 0, 0)
 393         if (!color_init) {
 394                 gdk_color_parse("#f5f6be", &yellow);
 395                 gdk_color_parse("#000000", &black);
 396                 color_init = gdk_colormap_alloc_color(
 397                         gdk_colormap_get_system(), &yellow, FALSE, TRUE);
 398                 color_init &= gdk_colormap_alloc_color(
 399                         gdk_colormap_get_system(), &black, FALSE, TRUE);
 400         }
 401 #endif
 402
 403         if (!font_desc)
 404                 font_desc = pango_font_description_from_string
 405                         (NORMAL_FONT);
 406
 407         if (!bold_font_desc) {
 408                 if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
 409                         bold_font_desc = pango_font_description_from_string
 410                                 (NORMAL_FONT);
 411                         pango_font_description_set_weight
 412                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
 413                 } else {
 414                         bold_font_desc = pango_font_description_from_string
 415                                 (BOLD_FONT);
 416                 }
 417         }
 418
 419         buffer = gtk_text_view_get_buffer(text);
 420
 421         gtk_text_buffer_create_tag(buffer, "header",
 422                                    "pixels-above-lines", 0,
 423                                    "pixels-above-lines-set", TRUE,
 424                                    "pixels-below-lines", 0,
 425                                    "pixels-below-lines-set", TRUE,
 426                                    "font-desc", font_desc,
 427                                    "left-margin", 3,
 428                                    "left-margin-set", TRUE,
 429                                    NULL);
 430         gtk_text_buffer_create_tag(buffer, "header_title",
 431                                    "font-desc", bold_font_desc,
 432                                    NULL);
 433         tag = gtk_text_buffer_create_tag(buffer, "hlink",
 434                                    "pixels-above-lines", 0,
 435                                    "pixels-above-lines-set", TRUE,
 436                                    "pixels-below-lines", 0,
 437                                    "pixels-below-lines-set", TRUE,
 438                                    "font-desc", font_desc,
 439                                    "left-margin", 3,
 440                                    "left-margin-set", TRUE,
 441                                    "foreground-gdk", &uri_color,
 442                                    NULL);
 443         g_signal_connect(G_OBJECT(tag), "event",
 444                          G_CALLBACK(textview_uri_button_pressed), textview);
 445         if (prefs_common.enable_bgcolor) {
 446                 gtk_text_buffer_create_tag(buffer, "quote0",
 447                                 "foreground-gdk", &quote_colors[0],
 448                                 "paragraph-background-gdk", &quote_bgcolors[0],
 449                                 NULL);
 450                 gtk_text_buffer_create_tag(buffer, "quote1",
 451                                 "foreground-gdk", &quote_colors[1],
 452                                 "paragraph-background-gdk", &quote_bgcolors[1],
 453                                 NULL);
 454                 gtk_text_buffer_create_tag(buffer, "quote2",
 455                                 "foreground-gdk", &quote_colors[2],
 456                                 "paragraph-background-gdk", &quote_bgcolors[2],
 457                                 NULL);
 458         } else {
 459                 gtk_text_buffer_create_tag(buffer, "quote0",
 460                                 "foreground-gdk", &quote_colors[0],
 461                                 NULL);
 462                 gtk_text_buffer_create_tag(buffer, "quote1",
 463                                 "foreground-gdk", &quote_colors[1],
 464                                 NULL);
 465                 gtk_text_buffer_create_tag(buffer, "quote2",
 466                                 "foreground-gdk", &quote_colors[2],
 467                                 NULL);
 468         }
 469         gtk_text_buffer_create_tag(buffer, "tags",
 470                         "foreground-gdk", &black,
 471                         "paragraph-background-gdk", &yellow,
 472                         NULL);
 473         gtk_text_buffer_create_tag(buffer, "emphasis",
 474                         "foreground-gdk", &emphasis_color,
 475                         NULL);
 476         gtk_text_buffer_create_tag(buffer, "signature",
 477                         "foreground-gdk", &signature_color,
 478                         NULL);
 479         tag = gtk_text_buffer_create_tag(buffer, "link",
 480                         "foreground-gdk", &uri_color,
 481                         NULL);
 482         qtag = gtk_text_buffer_create_tag(buffer, "qlink",
 483                         NULL);
 484         gtk_text_buffer_create_tag(buffer, "link-hover",
 485                         "underline", PANGO_UNDERLINE_SINGLE,
 486                         NULL);
 487         g_signal_connect(G_OBJECT(qtag), "event",
 488                          G_CALLBACK(textview_uri_button_pressed), textview);
 489         g_signal_connect(G_OBJECT(tag), "event",
 490                          G_CALLBACK(textview_uri_button_pressed), textview);
 491 /*      if (font_desc)
 492                 pango_font_description_free(font_desc);
 493         if (bold_font_desc)
 494                 pango_font_description_free(bold_font_desc);*/
 495  }
 496
 497 void textview_init(TextView *textview)
 498 {
 499         if (!hand_cursor)
 500                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 501         if (!text_cursor)
 502                 text_cursor = gdk_cursor_new(GDK_XTERM);
 503         if (!watch_cursor)
 504                 watch_cursor = gdk_cursor_new(GDK_WATCH);
 505
 506         textview_reflect_prefs(textview);
 507         textview_set_all_headers(textview, FALSE);
 508         textview_set_font(textview, NULL);
 509         textview_create_tags(GTK_TEXT_VIEW(textview->text), textview);
 510 }
 511
 512  #define CHANGE_TAG_COLOR(tagname, colorfg, colorbg) { \
 513         tag = gtk_text_tag_table_lookup(tags, tagname); \
 514         if (tag) \
 515                 g_object_set(G_OBJECT(tag), "foreground-gdk", colorfg, "paragraph-background-gdk", colorbg, NULL); \
 516  }
 517
 518 static void textview_update_message_colors(TextView *textview)
 519 {
 520         GdkColor black = {0, 0, 0, 0};
 521         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
 522
 523         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
 524         GtkTextTag *tag = NULL;
 525
 526         quote_bgcolors[0] = quote_bgcolors[1] = quote_bgcolors[2] = black;
 527         quote_colors[0] = quote_colors[1] = quote_colors[2] =
 528                 uri_color = emphasis_color = signature_color = black;
 529
 530         if (prefs_common.enable_color) {
 531                 /* grab the quote colors, converting from an int to a GdkColor */
 532                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
 533                                                &quote_colors[0]);
 534                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
 535                                                &quote_colors[1]);
 536                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
 537                                                &quote_colors[2]);
 538                 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
 539                                                &uri_color);
 540                 gtkut_convert_int_to_gdk_color(prefs_common.signature_col,
 541                                                &signature_color);
 542                 gtkut_convert_int_to_gdk_color(prefs_common.emphasis_col,
 543                                                &emphasis_color);
 544         }
 545         if (prefs_common.enable_color && prefs_common.enable_bgcolor) {
 546                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_bgcol,
 547                                                    &quote_bgcolors[0]);
 548                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_bgcol,
 549                                                    &quote_bgcolors[1]);
 550                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_bgcol,
 551                                                    &quote_bgcolors[2]);
 552                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], &quote_bgcolors[0]);
 553                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], &quote_bgcolors[1]);
 554                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], &quote_bgcolors[2]);
 555         } else {
 556                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], NULL);
 557                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], NULL);
 558                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], NULL);
 559         }
 560
 561         CHANGE_TAG_COLOR("emphasis", &emphasis_color, NULL);
 562         CHANGE_TAG_COLOR("signature", &signature_color, NULL);
 563         CHANGE_TAG_COLOR("link", &uri_color, NULL);
 564         CHANGE_TAG_COLOR("link-hover", &uri_color, NULL);
 565 }
 566 #undef CHANGE_TAG_COLOR
 567
 568 void textview_reflect_prefs(TextView *textview)
 569 {
 570         textview_set_font(textview, NULL);
 571         textview_update_message_colors(textview);
 572         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textview->text),
 573                                          prefs_common.textview_cursor_visible);
 574 }
 575
 576 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
 577 {
 578         START_TIMING("");
 579         cm_return_if_fail(mimeinfo != NULL);
 580         cm_return_if_fail(fp != NULL);
 581
 582         if ((mimeinfo->type == MIMETYPE_MULTIPART) ||
 583             ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822"))) {
 584                 textview->loading = TRUE;
 585                 textview->stop_loading = FALSE;
 586
 587                 textview_clear(textview);
 588                 textview_add_parts(textview, mimeinfo);
 589
 590                 textview->loading = FALSE;
 591                 textview->stop_loading = FALSE;
 592                 END_TIMING();
 593                 return;
 594         }
 595         textview->loading = TRUE;
 596         textview->stop_loading = FALSE;
 597
 598         if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0)
 599                 perror("fseek");
 600
 601         textview_clear(textview);
 602
 603         if (mimeinfo->type == MIMETYPE_MULTIPART)
 604                 textview_add_parts(textview, mimeinfo);
 605         else
 606                 textview_write_body(textview, mimeinfo);
 607
 608         textview->loading = FALSE;
 609         textview->stop_loading = FALSE;
 610         END_TIMING();
 611 }
 612
 613 static void textview_add_part(TextView *textview, MimeInfo *mimeinfo)
 614 {
 615         GtkAllocation allocation;
 616         GtkTextView *text;
 617         GtkTextBuffer *buffer;
 618         GtkTextIter iter, start_iter;
 619         gchar buf[BUFFSIZE];
 620         GPtrArray *headers = NULL;
 621         const gchar *name;
 622         gchar *content_type;
 623         gint charcount;
 624         START_TIMING("");
 625
 626         cm_return_if_fail(mimeinfo != NULL);
 627         text = GTK_TEXT_VIEW(textview->text);
 628         buffer = gtk_text_view_get_buffer(text);
 629         charcount = gtk_text_buffer_get_char_count(buffer);
 630         gtk_text_buffer_get_end_iter(buffer, &iter);
 631
 632         if (textview->stop_loading) {
 633                 return;
 634         }
 635         if (mimeinfo->type == MIMETYPE_MULTIPART) {
 636                 END_TIMING();
 637                 return;
 638         }
 639
 640         textview->prev_quote_level = -1;
 641
 642         if ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822")) {
 643                 FILE *fp;
 644                 if (mimeinfo->content == MIMECONTENT_MEM)
 645                         fp = str_open_as_stream(mimeinfo->data.mem);
 646                 else
 647                         fp = g_fopen(mimeinfo->data.filename, "rb");
 648                 if (!fp) {
 649                         FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
 650                         END_TIMING();
 651                         return;
 652                 }
 653                 fseek(fp, mimeinfo->offset, SEEK_SET);
 654                 headers = textview_scan_header(textview, fp);
 655                 if (headers) {
 656                         if (charcount > 0)
 657                                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 658
 659                         if (procmime_mimeinfo_parent(mimeinfo) == NULL)
 660                                 textview_show_tags(textview);
 661                         textview_show_header(textview, headers);
 662                         procheader_header_array_destroy(headers);
 663                 }
 664                 fclose(fp);
 665                 END_TIMING();
 666                 return;
 667         }
 668
 669         name = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
 670         content_type = procmime_get_content_type_str(mimeinfo->type,
 671                                                      mimeinfo->subtype);
 672         if (name == NULL)
 673                 name = procmime_mimeinfo_get_parameter(mimeinfo, "name");
 674         if (name != NULL)
 675                 g_snprintf(buf, sizeof(buf), _("[%s  %s (%d bytes)]"),
 676                            name, content_type, mimeinfo->length);
 677         else
 678                 g_snprintf(buf, sizeof(buf), _("[%s (%d bytes)]"),
 679                            content_type, mimeinfo->length);
 680
 681         g_free(content_type);
 682
 683         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
 684         || (mimeinfo->disposition == DISPOSITIONTYPE_INLINE &&
 685             mimeinfo->type != MIMETYPE_TEXT)) {
 686                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 687                 TEXTVIEW_INSERT_LINK(buf, "sc://select_attachment", mimeinfo);
 688                 gtk_text_buffer_insert(buffer, &iter, " \n", -1);
 689                 if (mimeinfo->type == MIMETYPE_IMAGE  &&
 690                     prefs_common.inline_img ) {
 691                         GdkPixbuf *pixbuf;
 692                         GError *error = NULL;
 693                         gchar *filename;
 694                         ClickableText *uri;
 695                         gchar *uri_str;
 696                         gint err;
 697                         START_TIMING("inserting image");
 698
 699                         filename = procmime_get_tmp_file_name(mimeinfo);
 700
 701                         if ((err = procmime_get_part(filename, mimeinfo)) < 0) {
 702                                 g_warning("Can't get the image file.(%s)", strerror(-err));
 703                                 g_free(filename);
 704                                 END_TIMING();
 705                                 return;
 706                         }
 707
 708                         pixbuf = gdk_pixbuf_new_from_file(filename, &error);
 709                         if (textview->stop_loading) {
 710                                 return;
 711                         }
 712                         if (error != NULL) {
 713                                 g_warning("%s\n", error->message);
 714                                 g_error_free(error);
 715                         }
 716                         if (!pixbuf) {
 717                                 g_warning("Can't load the image.");
 718                                 g_free(filename);
 719                                 END_TIMING();
 720                                 return;
 721                         }
 722
 723                         gtk_widget_get_allocation(textview->scrolledwin, &allocation);
 724                         pixbuf = claws_load_pixbuf_fitting(pixbuf,
 725                                         allocation.width,
 726                                         allocation.height);
 727
 728                         if (textview->stop_loading) {
 729                                 return;
 730                         }
 731
 732                         uri_str = g_filename_to_uri(filename, NULL, NULL);
 733                         if (uri_str) {
 734                                 uri = g_new0(ClickableText, 1);
 735                                 uri->uri = uri_str;
 736                                 uri->start = gtk_text_iter_get_offset(&iter);
 737
 738                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 739                                 if (textview->stop_loading) {
 740                                         g_free(uri);
 741                                         return;
 742                                 }
 743                                 uri->end = uri->start + 1;
 744                                 uri->filename = procmime_get_part_file_name(mimeinfo);
 745                                 textview->uri_list =
 746                                         g_slist_prepend(textview->uri_list, uri);
 747
 748                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 749                                 gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, uri->start);
 750                                 gtk_text_buffer_apply_tag_by_name(buffer, "link",
 751                                                 &start_iter, &iter);
 752                         } else {
 753                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
 754                                 if (textview->stop_loading) {
 755                                         return;
 756                                 }
 757                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
 758                         }
 759
 760                         g_object_unref(pixbuf);
 761                         g_free(filename);
 762                         END_TIMING();
 763                         GTK_EVENTS_FLUSH();
 764                 }
 765         } else if (mimeinfo->type == MIMETYPE_TEXT) {
 766                 if (prefs_common.display_header && (charcount > 0))
 767                         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
 768
 769                 textview_write_body(textview, mimeinfo);
 770         }
 771         END_TIMING();
 772 }
 773
 774 static void recursive_add_parts(TextView *textview, GNode *node)
 775 {
 776         GNode * iter;
 777         MimeInfo *mimeinfo;
 778         START_TIMING("");
 779
 780         mimeinfo = (MimeInfo *) node->data;
 781
 782         textview_add_part(textview, mimeinfo);
 783 #ifdef GENERIC_UMPC
 784         textview_set_position(textview, 0);
 785 #endif
 786         if ((mimeinfo->type != MIMETYPE_MULTIPART) &&
 787             (mimeinfo->type != MIMETYPE_MESSAGE)) {
 788                 END_TIMING();
 789                 return;
 790         }
 791         if (g_ascii_strcasecmp(mimeinfo->subtype, "alternative") == 0) {
 792                 GNode * prefered_body;
 793                 int prefered_score;
 794
 795                 /*
 796                   text/plain : score 3
 797                   text/ *    : score 2
 798                   other      : score 1
 799                 */
 800                 prefered_body = NULL;
 801                 prefered_score = 0;
 802
 803                 for (iter = g_node_first_child(node) ; iter != NULL ;
 804                      iter = g_node_next_sibling(iter)) {
 805                         int score;
 806                         MimeInfo * submime;
 807
 808                         score = 1;
 809                         submime = (MimeInfo *) iter->data;
 810                         if (submime->type == MIMETYPE_TEXT)
 811                                 score = 2;
 812
 813                         if (submime->subtype != NULL) {
 814                                 if (g_ascii_strcasecmp(submime->subtype, "plain") == 0)
 815                                         score = 3;
 816                         }
 817
 818                         if (score > prefered_score) {
 819                                 prefered_score = score;
 820                                 prefered_body = iter;
 821                         }
 822                 }
 823
 824                 if (prefered_body != NULL) {
 825                         recursive_add_parts(textview, prefered_body);
 826                 }
 827         }
 828         else {
 829                 for (iter = g_node_first_child(node) ; iter != NULL ;
 830                      iter = g_node_next_sibling(iter)) {
 831                         recursive_add_parts(textview, iter);
 832                 }
 833         }
 834         END_TIMING();
 835 }
 836
 837 static void textview_add_parts(TextView *textview, MimeInfo *mimeinfo)
 838 {
 839         cm_return_if_fail(mimeinfo != NULL);
 840
 841         recursive_add_parts(textview, mimeinfo->node);
 842 }
 843
 844 void textview_show_error(TextView *textview)
 845 {
 846         GtkTextView *text;
 847         GtkTextBuffer *buffer;
 848         GtkTextIter iter;
 849
 850         textview_set_font(textview, NULL);
 851         textview_clear(textview);
 852
 853         text = GTK_TEXT_VIEW(textview->text);
 854         buffer = gtk_text_view_get_buffer(text);
 855         gtk_text_buffer_get_start_iter(buffer, &iter);
 856
 857         TEXTVIEW_INSERT(_("\n"
 858                       "  This message can't be displayed.\n"
 859                       "  This is probably due to a network error.\n"
 860                       "\n"
 861                       "  Use "));
 862         TEXTVIEW_INSERT_LINK(_("'Network Log'"), "sc://view_log", NULL);
 863         TEXTVIEW_INSERT(_(" in the Tools menu for more information."));
 864         textview_show_icon(textview, GTK_STOCK_DIALOG_ERROR);
 865 }
 866
 867 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
 868 {
 869         GtkTextView *text;
 870         GtkTextBuffer *buffer;
 871         GtkTextIter iter;
 872         const gchar *name;
 873         gchar *content_type;
 874
 875         if (!partinfo) return;
 876
 877         textview_set_font(textview, NULL);
 878         textview_clear(textview);
 879
 880         text = GTK_TEXT_VIEW(textview->text);
 881         buffer = gtk_text_view_get_buffer(text);
 882         gtk_text_buffer_get_start_iter(buffer, &iter);
 883
 884         TEXTVIEW_INSERT("\n");
 885
 886         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 887         if (name == NULL)
 888                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 889         if (name != NULL) {
 890                 content_type = procmime_get_content_type_str(partinfo->type,
 891                                                      partinfo->subtype);
 892                 TEXTVIEW_INSERT("  ");
 893                 TEXTVIEW_INSERT_BOLD(name);
 894                 TEXTVIEW_INSERT(" (");
 895                 TEXTVIEW_INSERT(content_type);
 896                 TEXTVIEW_INSERT(", ");
 897                 TEXTVIEW_INSERT(to_human_readable((goffset)partinfo->length));
 898                 TEXTVIEW_INSERT("):\n\n");
 899
 900                 g_free(content_type);
 901         }
 902         TEXTVIEW_INSERT(_("  The following can be performed on this part\n"));
 903 #ifndef GENERIC_UMPC
 904         TEXTVIEW_INSERT(_("  by right-clicking the icon or list item:"));
 905 #endif
 906         TEXTVIEW_INSERT("\n");
 907
 908         TEXTVIEW_INSERT(_("     - To save, select "));
 909         TEXTVIEW_INSERT_LINK(_("'Save as...'"), "sc://save_as", NULL);
 910 #ifndef GENERIC_UMPC
 911         TEXTVIEW_INSERT(_(" (Shortcut key: 'y')"));
 912 #endif
 913         TEXTVIEW_INSERT("\n");
 914
 915         TEXTVIEW_INSERT(_("     - To display as text, select "));
 916         TEXTVIEW_INSERT_LINK(_("'Display as text'"), "sc://display_as_text", NULL);
 917
 918 #ifndef GENERIC_UMPC
 919         TEXTVIEW_INSERT(_(" (Shortcut key: 't')"));
 920 #endif
 921         TEXTVIEW_INSERT("\n");
 922
 923         TEXTVIEW_INSERT(_("     - To open with an external program, select "));
 924         TEXTVIEW_INSERT_LINK(_("'Open'"), "sc://open", NULL);
 925
 926 #ifndef GENERIC_UMPC
 927         TEXTVIEW_INSERT(_(" (Shortcut key: 'l')\n"));
 928         TEXTVIEW_INSERT(_("       (alternately double-click, or click the middle "));
 929         TEXTVIEW_INSERT(_("mouse button)\n"));
 930 #ifndef G_OS_WIN32
 931         TEXTVIEW_INSERT(_("     - Or use "));
 932         TEXTVIEW_INSERT_LINK(_("'Open with...'"), "sc://open_with", NULL);
 933         TEXTVIEW_INSERT(_(" (Shortcut key: 'o')"));
 934 #endif
 935 #endif
 936         TEXTVIEW_INSERT("\n");
 937
 938         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
 939 }
 940
 941 static void textview_write_body(TextView *textview, MimeInfo *mimeinfo)
 942 {
 943         FILE *tmpfp;
 944         gchar buf[BUFFSIZE];
 945         CodeConverter *conv;
 946         const gchar *charset, *p, *cmd;
 947         GSList *cur;
 948         gboolean continue_write = TRUE;
 949         size_t wrote = 0, i = 0;
 950
 951         if (textview->messageview->forced_charset)
 952                 charset = textview->messageview->forced_charset;
 953         else {
 954                 /* use supersets transparently when possible */
 955                 charset = procmime_mimeinfo_get_parameter(mimeinfo, "charset");
 956                 if (charset && !strcasecmp(charset, CS_ISO_8859_1))
 957                         charset = CS_WINDOWS_1252;
 958                 else if (charset && !strcasecmp(charset, CS_X_GBK))
 959                         charset = CS_GB18030;
 960                 else if (charset && !strcasecmp(charset, CS_GBK))
 961                         charset = CS_GB18030;
 962                 else if (charset && !strcasecmp(charset, CS_GB2312))
 963                         charset = CS_GB18030;
 964         }
 965
 966         textview_set_font(textview, charset);
 967
 968         conv = conv_code_converter_new(charset);
 969
 970         procmime_force_encoding(textview->messageview->forced_encoding);
 971
 972         textview->is_in_signature = FALSE;
 973
 974         procmime_decode_content(mimeinfo);
 975
 976         if (!g_ascii_strcasecmp(mimeinfo->subtype, "html") &&
 977             prefs_common.render_html) {
 978                 gchar *filename;
 979
 980                 filename = procmime_get_tmp_file_name(mimeinfo);
 981                 if (procmime_get_part(filename, mimeinfo) == 0) {
 982                         tmpfp = g_fopen(filename, "rb");
 983                         textview_show_html(textview, tmpfp, conv);
 984                         fclose(tmpfp);
 985                         claws_unlink(filename);
 986                 }
 987                 g_free(filename);
 988         } else if (!g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
 989                 gchar *filename;
 990
 991                 filename = procmime_get_tmp_file_name(mimeinfo);
 992                 if (procmime_get_part(filename, mimeinfo) == 0) {
 993                         tmpfp = g_fopen(filename, "rb");
 994                         textview_show_ertf(textview, tmpfp, conv);
 995                         fclose(tmpfp);
 996                         claws_unlink(filename);
 997                 }
 998                 g_free(filename);
 999 #ifndef G_OS_WIN32
1000         } else if ( g_ascii_strcasecmp(mimeinfo->subtype, "plain") &&
1001                    (cmd = prefs_common.mime_textviewer) && *cmd &&
1002                    (p = strchr(cmd, '%')) && *(p + 1) == 's') {
1003                 int pid, pfd[2];
1004                 const gchar *fname;
1005
1006                 fname  = procmime_get_tmp_file_name(mimeinfo);
1007                 if (procmime_get_part(fname, mimeinfo)) goto textview_default;
1008
1009                 g_snprintf(buf, sizeof(buf), cmd, fname);
1010                 debug_print("Viewing text content of type: %s (length: %d) "
1011                         "using %s\n", mimeinfo->subtype, mimeinfo->length, buf);
1012
1013                 if (pipe(pfd) < 0) {
1014                         g_snprintf(buf, sizeof(buf),
1015                                 "pipe failed for textview\n\n%s\n", strerror(errno));
1016                         textview_write_line(textview, buf, conv, TRUE);
1017                         goto textview_default;
1018                 }
1019                 pid = fork();
1020                 if (pid < 0) {
1021                         g_snprintf(buf, sizeof(buf),
1022                                 "fork failed for textview\n\n%s\n", strerror(errno));
1023                         textview_write_line(textview, buf, conv, TRUE);
1024                         close(pfd[0]);
1025                         close(pfd[1]);
1026                         goto textview_default;
1027                 }
1028                 if (pid == 0) { /* child */
1029                         int rc;
1030                         gchar **argv;
1031                         argv = strsplit_with_quote(buf, " ", 0);
1032                         close(1);
1033                         close(pfd[0]);
1034                         rc = dup(pfd[1]);
1035                         rc = execvp(argv[0], argv);
1036                         close(pfd[1]);
1037                         g_print(_("The command to view attachment "
1038                                 "as text failed:\n"
1039                                 "    %s\n"
1040                                 "Exit code %d\n"), buf, rc);
1041                         exit(255);
1042                 }
1043                 close(pfd[1]);
1044                 tmpfp = fdopen(pfd[0], "rb");
1045                 while (fgets(buf, sizeof(buf), tmpfp)) {
1046                         textview_write_line(textview, buf, conv, TRUE);
1047
1048                         if (textview->stop_loading) {
1049                                 fclose(tmpfp);
1050                                 waitpid(pid, pfd, 0);
1051                                 g_unlink(fname);
1052                                 return;
1053                         }
1054                 }
1055
1056                 fclose(tmpfp);
1057                 waitpid(pid, pfd, 0);
1058                 g_unlink(fname);
1059 #endif
1060         } else {
1061 textview_default:
1062                 if (mimeinfo->content == MIMECONTENT_MEM)
1063                         tmpfp = str_open_as_stream(mimeinfo->data.mem);
1064                 else
1065                         tmpfp = g_fopen(mimeinfo->data.filename, "rb");
1066                 if (!tmpfp) {
1067                         FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1068                         return;
1069                 }
1070                 fseek(tmpfp, mimeinfo->offset, SEEK_SET);
1071                 debug_print("Viewing text content of type: %s (length: %d)\n", mimeinfo->subtype, mimeinfo->length);
1072                 while (((i = ftell(tmpfp)) < mimeinfo->offset + mimeinfo->length) &&
1073                        (fgets(buf, sizeof(buf), tmpfp) != NULL)
1074                        && continue_write) {
1075                         textview_write_line(textview, buf, conv, TRUE);
1076                         if (textview->stop_loading) {
1077                                 fclose(tmpfp);
1078                                 return;
1079                         }
1080                         wrote += ftell(tmpfp)-i;
1081                         if (mimeinfo->length > 1024*1024
1082                         &&  wrote > 1024*1024
1083                         && !textview->messageview->show_full_text) {
1084                                 continue_write = FALSE;
1085                         }
1086                 }
1087                 fclose(tmpfp);
1088         }
1089
1090         conv_code_converter_destroy(conv);
1091         procmime_force_encoding(0);
1092
1093         textview->uri_list = g_slist_reverse(textview->uri_list);
1094         for (cur = textview->uri_list; cur; cur = cur->next) {
1095                 ClickableText *uri = (ClickableText *)cur->data;
1096                 if (!uri->is_quote)
1097                         continue;
1098                 if (!prefs_common.hide_quotes ||
1099                     uri->quote_level+1 < prefs_common.hide_quotes) {
1100                         textview_toggle_quote(textview, cur, uri, TRUE);
1101                         if (textview->stop_loading) {
1102                                 return;
1103                         }
1104                 }
1105         }
1106
1107         if (continue_write == FALSE) {
1108                 messageview_show_partial_display(
1109                         textview->messageview,
1110                         textview->messageview->msginfo,
1111                         mimeinfo->length);
1112         }
1113         GTK_EVENTS_FLUSH();
1114 }
1115
1116 static void textview_show_html(TextView *textview, FILE *fp,
1117                                CodeConverter *conv)
1118 {
1119         SC_HTMLParser *parser;
1120         gchar *str;
1121         gint lines = 0;
1122
1123         parser = sc_html_parser_new(fp, conv);
1124         cm_return_if_fail(parser != NULL);
1125
1126         while ((str = sc_html_parse(parser)) != NULL) {
1127                 if (parser->state == SC_HTML_HREF) {
1128                         /* first time : get and copy the URL */
1129                         if (parser->href == NULL) {
1130                                 /* ALF - the claws html parser returns an empty string,
1131                                  * if still inside an <a>, but already parsed past HREF */
1132                                 str = strtok(str, " ");
1133                                 if (str) {
1134                                         while (str && *str && g_ascii_isspace(*str))
1135                                                 str++;
1136                                         parser->href = g_strdup(str);
1137                                         /* the URL may (or not) be followed by the
1138                                          * referenced text */
1139                                         str = strtok(NULL, "");
1140                                 }
1141                         }
1142                         if (str != NULL)
1143                                 textview_write_link(textview, str, parser->href, NULL);
1144                 } else
1145                         textview_write_line(textview, str, NULL, FALSE);
1146                 lines++;
1147                 if (lines % 500 == 0)
1148                         GTK_EVENTS_FLUSH();
1149                 if (textview->stop_loading) {
1150                         return;
1151                 }
1152         }
1153         textview_write_line(textview, "\n", NULL, FALSE);
1154         sc_html_parser_destroy(parser);
1155 }
1156
1157 static void textview_show_ertf(TextView *textview, FILE *fp,
1158                                CodeConverter *conv)
1159 {
1160         ERTFParser *parser;
1161         gchar *str;
1162         gint lines = 0;
1163
1164         parser = ertf_parser_new(fp, conv);
1165         cm_return_if_fail(parser != NULL);
1166
1167         while ((str = ertf_parse(parser)) != NULL) {
1168                 textview_write_line(textview, str, NULL, FALSE);
1169                 lines++;
1170                 if (lines % 500 == 0)
1171                         GTK_EVENTS_FLUSH();
1172                 if (textview->stop_loading) {
1173                         return;
1174                 }
1175         }
1176
1177         ertf_parser_destroy(parser);
1178 }
1179
1180 #define ADD_TXT_POS(bp_, ep_, pti_) \
1181         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1182                 last = last->next; \
1183                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1184                 last->next = NULL; \
1185         } else { \
1186                 g_warning("alloc error scanning URIs\n"); \
1187                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, \
1188                                                          linebuf, -1, \
1189                                                          fg_tag, NULL); \
1190                 return; \
1191         }
1192
1193 #define ADD_TXT_POS_LATER(bp_, ep_, pti_) \
1194         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1195                 last = last->next; \
1196                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1197                 last->next = NULL; \
1198         } else { \
1199                 g_warning("alloc error scanning URIs\n"); \
1200         }
1201
1202 /* textview_make_clickable_parts() - colorizes clickable parts */
1203 static void textview_make_clickable_parts(TextView *textview,
1204                                           const gchar *fg_tag,
1205                                           const gchar *uri_tag,
1206                                           const gchar *linebuf,
1207                                           gboolean hdr)
1208 {
1209         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1210         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1211         GtkTextIter iter;
1212         gchar *mybuf = g_strdup(linebuf);
1213
1214         /* parse table - in order of priority */
1215         struct table {
1216                 const gchar *needle; /* token */
1217
1218                 /* token search function */
1219                 gchar    *(*search)     (const gchar *haystack,
1220                                          const gchar *needle);
1221                 /* part parsing function */
1222                 gboolean  (*parse)      (const gchar *start,
1223                                          const gchar *scanpos,
1224                                          const gchar **bp_,
1225                                          const gchar **ep_,
1226                                          gboolean hdr);
1227                 /* part to URI function */
1228                 gchar    *(*build_uri)  (const gchar *bp,
1229                                          const gchar *ep);
1230         };
1231
1232         static struct table parser[] = {
1233                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1234                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1235                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1236                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1237                 {"gopher://",strcasestr, get_uri_part,   make_uri_string},
1238                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1239                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1240                 {"@",        strcasestr, get_email_part, make_email_string}
1241         };
1242         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1243
1244         gint  n;
1245         const gchar *walk, *bp, *ep;
1246
1247         struct txtpos {
1248                 const gchar     *bp, *ep;       /* text position */
1249                 gint             pti;           /* index in parse table */
1250                 struct txtpos   *next;          /* next */
1251         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1252
1253         if (!g_utf8_validate(linebuf, -1, NULL)) {
1254                 g_free(mybuf);
1255                 mybuf = g_malloc(strlen(linebuf)*2 +1);
1256                 conv_localetodisp(mybuf, strlen(linebuf)*2 +1, linebuf);
1257         }
1258
1259         gtk_text_buffer_get_end_iter(buffer, &iter);
1260
1261         /* parse for clickable parts, and build a list of begin and end positions  */
1262         for (walk = mybuf, n = 0;;) {
1263                 gint last_index = PARSE_ELEMS;
1264                 gchar *scanpos = NULL;
1265
1266                 /* FIXME: this looks phony. scanning for anything in the parse table */
1267                 for (n = 0; n < PARSE_ELEMS; n++) {
1268                         gchar *tmp;
1269
1270                         tmp = parser[n].search(walk, parser[n].needle);
1271                         if (tmp) {
1272                                 if (scanpos == NULL || tmp < scanpos) {
1273                                         scanpos = tmp;
1274                                         last_index = n;
1275                                 }
1276                         }
1277                 }
1278
1279                 if (scanpos) {
1280                         /* check if URI can be parsed */
1281                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, hdr)
1282                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1283                                         ADD_TXT_POS(bp, ep, last_index);
1284                                         walk = ep;
1285                         } else
1286                                 walk = scanpos +
1287                                         strlen(parser[last_index].needle);
1288                 } else
1289                         break;
1290         }
1291
1292         /* colorize this line */
1293         if (head.next) {
1294                 const gchar *normal_text = mybuf;
1295
1296                 /* insert URIs */
1297                 for (last = head.next; last != NULL;
1298                      normal_text = last->ep, last = last->next) {
1299                         ClickableText *uri;
1300                         uri = g_new0(ClickableText, 1);
1301                         if (last->bp - normal_text > 0)
1302                                 gtk_text_buffer_insert_with_tags_by_name
1303                                         (buffer, &iter,
1304                                          normal_text,
1305                                          last->bp - normal_text,
1306                                          fg_tag, NULL);
1307                         uri->uri = parser[last->pti].build_uri(last->bp,
1308                                                                last->ep);
1309                         uri->start = gtk_text_iter_get_offset(&iter);
1310                         gtk_text_buffer_insert_with_tags_by_name
1311                                 (buffer, &iter, last->bp, last->ep - last->bp,
1312                                  uri_tag, fg_tag, NULL);
1313                         uri->end = gtk_text_iter_get_offset(&iter);
1314                         uri->filename = NULL;
1315                         textview->uri_list =
1316                                 g_slist_prepend(textview->uri_list, uri);
1317                 }
1318
1319                 if (*normal_text)
1320                         gtk_text_buffer_insert_with_tags_by_name
1321                                 (buffer, &iter, normal_text, -1, fg_tag, NULL);
1322         } else {
1323                 gtk_text_buffer_insert_with_tags_by_name
1324                         (buffer, &iter, mybuf, -1, fg_tag, NULL);
1325         }
1326         g_free(mybuf);
1327 }
1328
1329 /* textview_make_clickable_parts() - colorizes clickable parts */
1330 static void textview_make_clickable_parts_later(TextView *textview,
1331                                           gint start, gint end)
1332 {
1333         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1334         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1335         GtkTextIter start_iter, end_iter;
1336         gchar *mybuf;
1337         gint offset = 0;
1338         /* parse table - in order of priority */
1339         struct table {
1340                 const gchar *needle; /* token */
1341
1342                 /* token search function */
1343                 gchar    *(*search)     (const gchar *haystack,
1344                                          const gchar *needle);
1345                 /* part parsing function */
1346                 gboolean  (*parse)      (const gchar *start,
1347                                          const gchar *scanpos,
1348                                          const gchar **bp_,
1349                                          const gchar **ep_,
1350                                          gboolean hdr);
1351                 /* part to URI function */
1352                 gchar    *(*build_uri)  (const gchar *bp,
1353                                          const gchar *ep);
1354         };
1355
1356         static struct table parser[] = {
1357                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1358                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1359                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1360                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1361                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1362                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1363                 {"@",        strcasestr, get_email_part, make_email_string}
1364         };
1365         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1366
1367         gint  n;
1368         const gchar *walk, *bp, *ep;
1369
1370         struct txtpos {
1371                 const gchar     *bp, *ep;       /* text position */
1372                 gint             pti;           /* index in parse table */
1373                 struct txtpos   *next;          /* next */
1374         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1375
1376         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start);
1377         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end);
1378         mybuf = gtk_text_buffer_get_text(buffer, &start_iter, &end_iter, FALSE);
1379         offset = gtk_text_iter_get_offset(&start_iter);
1380
1381         /* parse for clickable parts, and build a list of begin and end positions  */
1382         for (walk = mybuf, n = 0;;) {
1383                 gint last_index = PARSE_ELEMS;
1384                 gchar *scanpos = NULL;
1385
1386                 /* FIXME: this looks phony. scanning for anything in the parse table */
1387                 for (n = 0; n < PARSE_ELEMS; n++) {
1388                         gchar *tmp;
1389
1390                         tmp = parser[n].search(walk, parser[n].needle);
1391                         if (tmp) {
1392                                 if (scanpos == NULL || tmp < scanpos) {
1393                                         scanpos = tmp;
1394                                         last_index = n;
1395                                 }
1396                         }
1397                 }
1398
1399                 if (scanpos) {
1400                         /* check if URI can be parsed */
1401                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, FALSE)
1402                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1403                                         ADD_TXT_POS_LATER(bp, ep, last_index);
1404                                         walk = ep;
1405                         } else
1406                                 walk = scanpos +
1407                                         strlen(parser[last_index].needle);
1408                 } else
1409                         break;
1410         }
1411
1412         /* colorize this line */
1413         if (head.next) {
1414                 /* insert URIs */
1415                 for (last = head.next; last != NULL; last = last->next) {
1416                         ClickableText *uri;
1417                         gint start_offset, end_offset;
1418                         gchar *tmp_str;
1419                         gchar old_char;
1420                         uri = g_new0(ClickableText, 1);
1421                         uri->uri = parser[last->pti].build_uri(last->bp,
1422                                                                last->ep);
1423
1424                         tmp_str = mybuf;
1425                         old_char = tmp_str[last->ep - mybuf];
1426                         tmp_str[last->ep - mybuf] = '\0';
1427                         end_offset = g_utf8_strlen(tmp_str, -1);
1428                         tmp_str[last->ep - mybuf] = old_char;
1429
1430                         old_char = tmp_str[last->bp - mybuf];
1431                         tmp_str[last->bp - mybuf] = '\0';
1432                         start_offset = g_utf8_strlen(tmp_str, -1);
1433                         tmp_str[last->bp - mybuf] = old_char;
1434
1435                         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start_offset + offset);
1436                         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end_offset + offset);
1437
1438                         uri->start = gtk_text_iter_get_offset(&start_iter);
1439
1440                         gtk_text_buffer_apply_tag_by_name(buffer, "link", &start_iter, &end_iter);
1441
1442                         uri->end = gtk_text_iter_get_offset(&end_iter);
1443                         uri->filename = NULL;
1444                         textview->uri_list =
1445                                 g_slist_prepend(textview->uri_list, uri);
1446                 }
1447         }
1448
1449         g_free(mybuf);
1450 }
1451
1452 #undef ADD_TXT_POS
1453
1454 static void textview_write_line(TextView *textview, const gchar *str,
1455                                 CodeConverter *conv, gboolean do_quote_folding)
1456 {
1457         GtkTextView *text;
1458         GtkTextBuffer *buffer;
1459         GtkTextIter iter;
1460         gchar buf[BUFFSIZE];
1461         gchar *fg_color;
1462         gint quotelevel = -1, real_quotelevel = -1;
1463         gchar quote_tag_str[10];
1464
1465         text = GTK_TEXT_VIEW(textview->text);
1466         buffer = gtk_text_view_get_buffer(text);
1467         gtk_text_buffer_get_end_iter(buffer, &iter);
1468
1469         if (!conv)
1470                 strncpy2(buf, str, sizeof(buf));
1471         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1472                 conv_localetodisp(buf, sizeof(buf), str);
1473
1474         strcrchomp(buf);
1475         fg_color = NULL;
1476
1477         /* change color of quotation
1478            >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
1479            Up to 3 levels of quotations are detected, and each
1480            level is colored using a different color. */
1481         if (prefs_common.enable_color
1482             && line_has_quote_char(buf, prefs_common.quote_chars)) {
1483                 real_quotelevel = get_quote_level(buf, prefs_common.quote_chars);
1484                 quotelevel = real_quotelevel;
1485                 /* set up the correct foreground color */
1486                 if (quotelevel > 2) {
1487                         /* recycle colors */
1488                         if (prefs_common.recycle_quote_colors)
1489                                 quotelevel %= 3;
1490                         else
1491                                 quotelevel = 2;
1492                 }
1493         }
1494
1495         if (quotelevel == -1)
1496                 fg_color = NULL;
1497         else {
1498                 g_snprintf(quote_tag_str, sizeof(quote_tag_str),
1499                            "quote%d", quotelevel);
1500                 fg_color = quote_tag_str;
1501         }
1502
1503         if (prefs_common.enable_color &&
1504             (strcmp(buf,"-- \n") == 0 || strcmp(buf, "- -- \n") == 0 || textview->is_in_signature)) {
1505                 fg_color = "signature";
1506                 textview->is_in_signature = TRUE;
1507         }
1508
1509         if (real_quotelevel > -1 && do_quote_folding) {
1510                 if (!g_utf8_validate(buf, -1, NULL)) {
1511                         gchar *utf8buf = NULL;
1512                         utf8buf = g_malloc(BUFFSIZE);
1513                         conv_localetodisp(utf8buf, BUFFSIZE, buf);
1514                         strncpy2(buf, utf8buf, BUFFSIZE-1);
1515                         g_free(utf8buf);
1516                 }
1517 do_quote:
1518                 if ( textview->prev_quote_level != real_quotelevel ) {
1519                         ClickableText *uri;
1520                         uri = g_new0(ClickableText, 1);
1521                         uri->uri = g_strdup("");
1522                         uri->data = g_strdup(buf);
1523                         uri->start = gtk_text_iter_get_offset(&iter);
1524                         uri->is_quote = TRUE;
1525                         uri->quote_level = real_quotelevel;
1526                         uri->fg_color = g_strdup(fg_color);
1527
1528                         gtk_text_buffer_insert_with_tags_by_name
1529                                         (buffer, &iter, " [...]", -1,
1530                                          "qlink", fg_color, NULL);
1531                         uri->end = gtk_text_iter_get_offset(&iter);
1532                         gtk_text_buffer_insert(buffer, &iter, "  \n", -1);
1533
1534                         uri->filename = NULL;
1535                         textview->uri_list =
1536                                 g_slist_prepend(textview->uri_list, uri);
1537
1538                         textview->prev_quote_level = real_quotelevel;
1539                 } else {
1540                         GSList *last = textview->uri_list;
1541                         ClickableText *lasturi = NULL;
1542                         gint e_len = 0, n_len = 0;
1543
1544                         if (textview->uri_list) {
1545                                 lasturi = (ClickableText *)last->data;
1546                         } else {
1547                                 g_print("oops (%d %d)\n",
1548                                         real_quotelevel, textview->prev_quote_level);
1549                         }
1550                         if (lasturi) {
1551                                 if (lasturi->is_quote == FALSE) {
1552                                         textview->prev_quote_level = -1;
1553                                         goto do_quote;
1554                                 }
1555                                 e_len = lasturi->data ? strlen(lasturi->data):0;
1556                                 n_len = strlen(buf);
1557                                 lasturi->data = g_realloc((gchar *)lasturi->data, e_len + n_len + 1);
1558                                 strcpy((gchar *)lasturi->data + e_len, buf);
1559                                 *((gchar *)lasturi->data + e_len + n_len) = '\0';
1560                         }
1561                 }
1562         } else {
1563                 textview_make_clickable_parts(textview, fg_color, "link", buf, FALSE);
1564                 textview->prev_quote_level = -1;
1565         }
1566 }
1567
1568 void textview_write_link(TextView *textview, const gchar *str,
1569                          const gchar *uri, CodeConverter *conv)
1570 {
1571         GdkColor *link_color = NULL;
1572         GtkTextView *text;
1573         GtkTextBuffer *buffer;
1574         GtkTextIter iter;
1575         gchar buf[BUFFSIZE];
1576         gchar *bufp;
1577         ClickableText *r_uri;
1578
1579         if (!str || *str == '\0')
1580                 return;
1581         if (!uri)
1582                 return;
1583
1584         while (uri && *uri && g_ascii_isspace(*uri))
1585                 uri++;
1586
1587         text = GTK_TEXT_VIEW(textview->text);
1588         buffer = gtk_text_view_get_buffer(text);
1589         gtk_text_buffer_get_end_iter(buffer, &iter);
1590
1591         if (!conv)
1592                 strncpy2(buf, str, sizeof(buf));
1593         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1594                 conv_utf8todisp(buf, sizeof(buf), str);
1595
1596         if (g_utf8_validate(buf, -1, NULL) == FALSE)
1597                 return;
1598
1599         strcrchomp(buf);
1600
1601         gtk_text_buffer_get_end_iter(buffer, &iter);
1602         for (bufp = buf; *bufp != '\0'; bufp = g_utf8_next_char(bufp)) {
1603                 gunichar ch;
1604
1605                 ch = g_utf8_get_char(bufp);
1606                 if (!g_unichar_isspace(ch))
1607                         break;
1608         }
1609         if (bufp > buf)
1610                 gtk_text_buffer_insert(buffer, &iter, buf, bufp - buf);
1611
1612         if (prefs_common.enable_color) {
1613                 link_color = &uri_color;
1614         }
1615         r_uri = g_new0(ClickableText, 1);
1616         r_uri->uri = g_strdup(uri);
1617         r_uri->start = gtk_text_iter_get_offset(&iter);
1618         gtk_text_buffer_insert_with_tags_by_name
1619                 (buffer, &iter, bufp, -1, "link", NULL);
1620         r_uri->end = gtk_text_iter_get_offset(&iter);
1621         r_uri->filename = NULL;
1622         textview->uri_list = g_slist_prepend(textview->uri_list, r_uri);
1623 }
1624
1625 static void textview_set_cursor(GdkWindow *window, GdkCursor *cursor)
1626 {
1627         if (GDK_IS_WINDOW(window))
1628                 gdk_window_set_cursor(window, cursor);
1629 }
1630 void textview_clear(TextView *textview)
1631 {
1632         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1633         GtkTextBuffer *buffer;
1634         GdkWindow *window = gtk_text_view_get_window(text,
1635                                 GTK_TEXT_WINDOW_TEXT);
1636
1637         buffer = gtk_text_view_get_buffer(text);
1638         gtk_text_buffer_set_text(buffer, "", -1);
1639
1640         TEXTVIEW_STATUSBAR_POP(textview);
1641         textview_uri_list_remove_all(textview->uri_list);
1642         textview->uri_list = NULL;
1643         textview->uri_hover = NULL;
1644         textview->prev_quote_level = -1;
1645
1646         textview->body_pos = 0;
1647         if (textview->image)
1648                 gtk_widget_destroy(textview->image);
1649         textview->image = NULL;
1650
1651         if (textview->messageview->mainwin->cursor_count == 0) {
1652                 textview_set_cursor(window, text_cursor);
1653         } else {
1654                 textview_set_cursor(window, watch_cursor);
1655         }
1656 }
1657
1658 void textview_destroy(TextView *textview)
1659 {
1660         GtkTextBuffer *buffer;
1661         GtkClipboard *clipboard;
1662
1663         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1664         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1665         gtk_text_buffer_remove_selection_clipboard(buffer, clipboard);
1666
1667         textview_uri_list_remove_all(textview->uri_list);
1668         textview->uri_list = NULL;
1669         textview->prev_quote_level = -1;
1670
1671         g_free(textview);
1672 }
1673
1674 void textview_set_all_headers(TextView *textview, gboolean all_headers)
1675 {
1676         textview->show_all_headers = all_headers;
1677 }
1678
1679 #define CHANGE_TAG_FONT(tagname, font) { \
1680         tag = gtk_text_tag_table_lookup(tags, tagname); \
1681         if (tag) \
1682                 g_object_set(G_OBJECT(tag), "font-desc", font, NULL); \
1683 }
1684
1685 void textview_set_font(TextView *textview, const gchar *codeset)
1686 {
1687         GtkTextTag *tag;
1688         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1689         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
1690         PangoFontDescription *font_desc, *bold_font_desc;
1691
1692         font_desc = pango_font_description_from_string
1693                                         (NORMAL_FONT);
1694         if (font_desc) {
1695                 gtk_widget_modify_font(textview->text, font_desc);
1696                 CHANGE_TAG_FONT("header", font_desc);
1697                 CHANGE_TAG_FONT("hlink", font_desc);
1698                 pango_font_description_free(font_desc);
1699         }
1700         if (prefs_common.derive_from_normal_font || !BOLD_FONT) {
1701                 bold_font_desc = pango_font_description_from_string
1702                                                 (NORMAL_FONT);
1703                 if (bold_font_desc)
1704                         pango_font_description_set_weight
1705                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
1706         } else {
1707                 bold_font_desc = pango_font_description_from_string
1708                                                 (BOLD_FONT);
1709         }
1710         if (bold_font_desc) {
1711                 CHANGE_TAG_FONT("header_title", bold_font_desc);
1712                 pango_font_description_free(bold_font_desc);
1713         }
1714
1715         if (prefs_common.textfont) {
1716                 PangoFontDescription *font_desc;
1717
1718                 font_desc = pango_font_description_from_string
1719                                                 (prefs_common.textfont);
1720                 if (font_desc) {
1721                         gtk_widget_modify_font(textview->text, font_desc);
1722                         pango_font_description_free(font_desc);
1723                 }
1724         }
1725         gtk_text_view_set_pixels_above_lines(GTK_TEXT_VIEW(textview->text),
1726                                              prefs_common.line_space / 2);
1727         gtk_text_view_set_pixels_below_lines(GTK_TEXT_VIEW(textview->text),
1728                                              prefs_common.line_space / 2);
1729 }
1730
1731 void textview_set_text(TextView *textview, const gchar *text)
1732 {
1733         GtkTextView *view;
1734         GtkTextBuffer *buffer;
1735
1736         cm_return_if_fail(textview != NULL);
1737         cm_return_if_fail(text != NULL);
1738
1739         textview_clear(textview);
1740
1741         view = GTK_TEXT_VIEW(textview->text);
1742         buffer = gtk_text_view_get_buffer(view);
1743         gtk_text_buffer_set_text(buffer, text, strlen(text));
1744 }
1745
1746 enum
1747 {
1748         H_DATE          = 0,
1749         H_FROM          = 1,
1750         H_TO            = 2,
1751         H_NEWSGROUPS    = 3,
1752         H_SUBJECT       = 4,
1753         H_CC            = 5,
1754         H_REPLY_TO      = 6,
1755         H_FOLLOWUP_TO   = 7,
1756         H_X_MAILER      = 8,
1757         H_X_NEWSREADER  = 9,
1758         H_USER_AGENT    = 10,
1759         H_ORGANIZATION  = 11,
1760 };
1761
1762 void textview_set_position(TextView *textview, gint pos)
1763 {
1764         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1765
1766         gtkut_text_view_set_position(text, pos);
1767 }
1768
1769 static gboolean header_is_internal(Header *header)
1770 {
1771         const gchar *internal_hdrs[] =
1772                 {"AF:", "NF:", "PS:", "SRH:", "SFN:", "DSR:", "MID:",
1773                  "CFG:", "PT:", "S:", "RQ:", "SSV:", "NSV:", "SSH:",
1774                  "R:", "MAID:", "SCF:", "RMID:", "FMID:", "NAID:",
1775                  "X-Claws-Account-Id:", "X-Claws-Sign:", "X-Claws-Encrypt:",
1776                  "X-Claws-Privacy-System:", "X-Claws-End-Special-Headers:",
1777                  "X-Sylpheed-Account-Id:", "X-Sylpheed-Sign:", "X-Sylpheed-Encrypt:",
1778                  "X-Claws-Auto-Wrapping:", "X-Claws-Auto-Indent:",
1779                  "X-Sylpheed-Privacy-System:", "X-Sylpheed-End-Special-Headers:",
1780                  NULL};
1781         int i;
1782
1783         for (i = 0; internal_hdrs[i]; i++) {
1784                 if (!strcmp(header->name, internal_hdrs[i]))
1785                         return TRUE;
1786         }
1787         return FALSE;
1788 }
1789
1790 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1791 {
1792         gchar buf[BUFFSIZE];
1793         GPtrArray *headers, *sorted_headers;
1794         GSList *disphdr_list;
1795         Header *header;
1796         gint i;
1797
1798         cm_return_val_if_fail(fp != NULL, NULL);
1799
1800         if (textview->show_all_headers) {
1801                 headers = procheader_get_header_array_asis(fp);
1802                 sorted_headers = g_ptr_array_new();
1803                 for (i = 0; i < headers->len; i++) {
1804                         header = g_ptr_array_index(headers, i);
1805                         if (!header_is_internal(header))
1806                                 g_ptr_array_add(sorted_headers, header);
1807                         else
1808                                 procheader_header_free(header);
1809                 }
1810                 g_ptr_array_free(headers, TRUE);
1811                 return sorted_headers;
1812         }
1813
1814         if (!prefs_common.display_header) {
1815                 while (fgets(buf, sizeof(buf), fp) != NULL)
1816                         if (buf[0] == '\r' || buf[0] == '\n') break;
1817                 return NULL;
1818         }
1819
1820         headers = procheader_get_header_array_asis(fp);
1821
1822         sorted_headers = g_ptr_array_new();
1823
1824         for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1825              disphdr_list = disphdr_list->next) {
1826                 DisplayHeaderProp *dp =
1827                         (DisplayHeaderProp *)disphdr_list->data;
1828
1829                 for (i = 0; i < headers->len; i++) {
1830                         header = g_ptr_array_index(headers, i);
1831
1832                         if (procheader_headername_equal(header->name,
1833                                                         dp->name)) {
1834                                 if (dp->hidden)
1835                                         procheader_header_free(header);
1836                                 else
1837                                         g_ptr_array_add(sorted_headers, header);
1838
1839                                 g_ptr_array_remove_index(headers, i);
1840                                 i--;
1841                         }
1842                 }
1843         }
1844
1845         if (prefs_common.show_other_header) {
1846                 for (i = 0; i < headers->len; i++) {
1847                         header = g_ptr_array_index(headers, i);
1848                         if (!header_is_internal(header)) {
1849                                 g_ptr_array_add(sorted_headers, header);
1850                         } else {
1851                                 procheader_header_free(header);
1852                         }
1853                 }
1854                 g_ptr_array_free(headers, TRUE);
1855         } else
1856                 procheader_header_array_destroy(headers);
1857
1858
1859         return sorted_headers;
1860 }
1861
1862 static void textview_show_face(TextView *textview)
1863 {
1864         GtkAllocation allocation;
1865         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1866         MsgInfo *msginfo = textview->messageview->msginfo;
1867         int x = 0;
1868
1869         if (prefs_common.display_header_pane
1870         ||  !prefs_common.display_xface)
1871                 goto bail;
1872
1873         if (!msginfo->extradata || !msginfo->extradata->face) {
1874                 goto bail;
1875         }
1876
1877         if (textview->image)
1878                 gtk_widget_destroy(textview->image);
1879
1880         textview->image = face_get_from_header(msginfo->extradata->face);
1881         cm_return_if_fail(textview->image != NULL);
1882
1883         gtk_widget_show(textview->image);
1884
1885         gtk_widget_get_allocation(textview->text, &allocation);
1886         x = allocation.width - WIDTH -5;
1887
1888         gtk_text_view_add_child_in_window(text, textview->image,
1889                 GTK_TEXT_WINDOW_TEXT, x, 5);
1890
1891         gtk_widget_show_all(textview->text);
1892
1893
1894         return;
1895 bail:
1896         if (textview->image)
1897                 gtk_widget_destroy(textview->image);
1898         textview->image = NULL;
1899 }
1900
1901 void textview_show_icon(TextView *textview, const gchar *stock_id)
1902 {
1903         GtkAllocation allocation;
1904         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1905         int x = 0;
1906
1907         if (textview->image)
1908                 gtk_widget_destroy(textview->image);
1909
1910         textview->image = gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_DIALOG);
1911         cm_return_if_fail(textview->image != NULL);
1912
1913         gtk_widget_show(textview->image);
1914
1915         gtk_widget_get_allocation(textview->text, &allocation);
1916         x = allocation.width - WIDTH -5;
1917
1918         gtk_text_view_add_child_in_window(text, textview->image,
1919                 GTK_TEXT_WINDOW_TEXT, x, 5);
1920
1921         gtk_widget_show_all(textview->text);
1922
1923
1924         return;
1925 }
1926
1927 #if HAVE_LIBCOMPFACE
1928 static void textview_show_xface(TextView *textview)
1929 {
1930         MsgInfo *msginfo = textview->messageview->msginfo;
1931         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1932         int x = 0;
1933         GdkWindow *window = NULL;
1934
1935         if (prefs_common.display_header_pane
1936         ||  !prefs_common.display_xface)
1937                 goto bail;
1938
1939         if (!msginfo || !msginfo->extradata)
1940                 goto bail;
1941
1942         if (msginfo->extradata->face)
1943                 return;
1944
1945         if (!msginfo->extradata->xface || strlen(msginfo->extradata->xface) < 5) {
1946                 goto bail;
1947         }
1948
1949         if (textview->image)
1950                 gtk_widget_destroy(textview->image);
1951
1952         window = mainwindow_get_mainwindow() ?
1953                         mainwindow_get_mainwindow()->window->window :
1954                         textview->text->window;
1955         textview->image = xface_get_from_header(msginfo->extradata->xface,
1956                                 &textview->text->style->white,
1957                                 window);
1958         cm_return_if_fail(textview->image != NULL);
1959
1960         gtk_widget_show(textview->image);
1961
1962         x = textview->text->allocation.width - WIDTH -5;
1963
1964         gtk_text_view_add_child_in_window(text, textview->image,
1965                 GTK_TEXT_WINDOW_TEXT, x, 5);
1966
1967         gtk_widget_show_all(textview->text);
1968
1969         return;
1970 bail:
1971         if (textview->image)
1972                 gtk_widget_destroy(textview->image);
1973         textview->image = NULL;
1974
1975 }
1976 #endif
1977
1978 static void textview_save_contact_pic(TextView *textview)
1979 {
1980         MsgInfo *msginfo = textview->messageview->msginfo;
1981         gchar *filename = NULL;
1982         GError *error = NULL;
1983         GdkPixbuf *picture = NULL;
1984
1985         if (!msginfo->extradata || (!msginfo->extradata->face && !msginfo->extradata->xface))
1986                 return;
1987
1988         if (textview->image)
1989                 picture = gtk_image_get_pixbuf(GTK_IMAGE(textview->image));
1990
1991         filename = addrindex_get_picture_file(msginfo->from);
1992         if (!filename)
1993                 return;
1994         if (!is_file_exist(filename)) {
1995                 gdk_pixbuf_save(picture, filename, "png", &error, NULL);
1996                 if (error) {
1997                         g_warning(_("Failed to save image: \n%s"),
1998                                         error->message);
1999                         g_error_free(error);
2000                 }
2001         }
2002         g_free(filename);
2003 }
2004
2005 static void textview_show_contact_pic(TextView *textview)
2006 {
2007         GtkAllocation allocation;
2008         MsgInfo *msginfo = textview->messageview->msginfo;
2009         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2010         int x = 0;
2011         gchar *filename = NULL;
2012         GError *error = NULL;
2013         GdkPixbuf *picture = NULL;
2014         gint w, h;
2015
2016         if (prefs_common.display_header_pane
2017         ||  !prefs_common.display_xface)
2018                 goto bail;
2019
2020         if (msginfo->extradata && (msginfo->extradata->face || msginfo->extradata->xface))
2021                 return;
2022
2023         if (textview->image)
2024                 gtk_widget_destroy(textview->image);
2025
2026         filename = addrindex_get_picture_file(msginfo->from);
2027
2028         if (!filename)
2029                 goto bail;
2030         if (!is_file_exist(filename)) {
2031                 g_free(filename);
2032                 goto bail;
2033         }
2034
2035         gdk_pixbuf_get_file_info(filename, &w, &h);
2036
2037         if (w > 48 || h > 48)
2038                 picture = gdk_pixbuf_new_from_file_at_scale(filename,
2039                                                 48, 48, TRUE, &error);
2040         else
2041                 picture = gdk_pixbuf_new_from_file(filename, &error);
2042
2043         if (error) {
2044                 debug_print("Failed to import image: \n%s",
2045                                 error->message);
2046                 g_error_free(error);
2047                 goto bail;
2048         }
2049         g_free(filename);
2050
2051         if (picture) {
2052                 textview->image = gtk_image_new_from_pixbuf(picture);
2053                 g_object_unref(picture);
2054         }
2055         cm_return_if_fail(textview->image != NULL);
2056
2057         gtk_widget_show(textview->image);
2058
2059         gtk_widget_get_allocation(textview->text, &allocation);
2060         x = allocation.width - WIDTH -5;
2061
2062         gtk_text_view_add_child_in_window(text, textview->image,
2063                 GTK_TEXT_WINDOW_TEXT, x, 5);
2064
2065         gtk_widget_show_all(textview->text);
2066
2067         return;
2068 bail:
2069         if (textview->image)
2070                 gtk_widget_destroy(textview->image);
2071         textview->image = NULL;
2072
2073 }
2074
2075 static gint textview_tag_cmp_list(gconstpointer a, gconstpointer b)
2076 {
2077         gint id_a = GPOINTER_TO_INT(a);
2078         gint id_b = GPOINTER_TO_INT(b);
2079         const gchar *tag_a = tags_get_tag(id_a);
2080         const gchar *tag_b = tags_get_tag(id_b);
2081
2082         if (tag_a == NULL)
2083                 return tag_b == NULL ? 0:1;
2084
2085         if (tag_b == NULL)
2086                 return tag_a == NULL ? 0:1;
2087
2088         return g_utf8_collate(tag_a, tag_b);
2089 }
2090
2091
2092 static void textview_show_tags(TextView *textview)
2093 {
2094         MsgInfo *msginfo = textview->messageview->msginfo;
2095         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2096         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2097         GtkTextIter iter;
2098         ClickableText *uri;
2099         GSList *cur, *orig;
2100         gboolean found_tag = FALSE;
2101
2102         if (!msginfo->tags)
2103                 return;
2104
2105         cur = orig = g_slist_sort(g_slist_copy(msginfo->tags), textview_tag_cmp_list);
2106
2107         for (; cur; cur = cur->next) {
2108                 if (tags_get_tag(GPOINTER_TO_INT(cur->data)) != NULL) {
2109                         found_tag = TRUE;
2110                         break;
2111                 }
2112         }
2113         if (!found_tag) {
2114                 g_slist_free(orig);
2115                 return;
2116         }
2117
2118         gtk_text_buffer_get_end_iter (buffer, &iter);
2119         gtk_text_buffer_insert_with_tags_by_name(buffer,
2120                 &iter, _("Tags: "), -1,
2121                 "header_title", "header", "tags", NULL);
2122
2123         for (cur = orig; cur; cur = cur->next) {
2124                 const gchar *cur_tag = tags_get_tag(GPOINTER_TO_INT(cur->data));
2125                 if (!cur_tag)
2126                         continue;
2127                 uri = g_new0(ClickableText, 1);
2128                 uri->uri = g_strdup("");
2129                 uri->start = gtk_text_iter_get_offset(&iter);
2130                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter,
2131                         cur_tag, -1,
2132                         "link", "header", "tags", NULL);
2133                 uri->end = gtk_text_iter_get_offset(&iter);
2134                 uri->filename = g_strdup_printf("sc://search_tags:%s", cur_tag);
2135                 uri->data = NULL;
2136                 textview->uri_list =
2137                         g_slist_prepend(textview->uri_list, uri);
2138                 if (cur->next && tags_get_tag(GPOINTER_TO_INT(cur->next->data)))
2139                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, ", ", 2,
2140                                 "header", "tags", NULL);
2141                 else
2142                         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, " ", 1,
2143                                 "header", "tags", NULL);
2144         }
2145         g_slist_free(orig);
2146
2147         gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2148                 "header", "tags", NULL);
2149 }
2150
2151 static void textview_show_header(TextView *textview, GPtrArray *headers)
2152 {
2153         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2154         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2155         GtkTextIter iter;
2156         Header *header;
2157         gint i;
2158
2159         cm_return_if_fail(headers != NULL);
2160
2161         for (i = 0; i < headers->len; i++) {
2162                 header = g_ptr_array_index(headers, i);
2163                 cm_return_if_fail(header->name != NULL);
2164
2165                 gtk_text_buffer_get_end_iter (buffer, &iter);
2166                 if(prefs_common.trans_hdr == TRUE) {
2167                         gchar *hdr = g_strndup(header->name, strlen(header->name) - 1);
2168                         gchar *trans_hdr = gettext(hdr);
2169                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2170                                 &iter, trans_hdr, -1,
2171                                 "header_title", "header", NULL);
2172                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2173                                 &iter, ":", 1, "header_title", "header", NULL);
2174                         g_free(hdr);
2175                 } else {
2176                         gtk_text_buffer_insert_with_tags_by_name(buffer,
2177                                 &iter, header->name,
2178                                 -1, "header_title", "header", NULL);
2179                 }
2180                 if (header->name[strlen(header->name) - 1] != ' ')
2181                 gtk_text_buffer_insert_with_tags_by_name
2182                                 (buffer, &iter, " ", 1,
2183                                  "header_title", "header", NULL);
2184
2185                 if (procheader_headername_equal(header->name, "Subject") ||
2186                     procheader_headername_equal(header->name, "From")    ||
2187                     procheader_headername_equal(header->name, "To")      ||
2188                     procheader_headername_equal(header->name, "Cc"))
2189                         unfold_line(header->body);
2190
2191                 if (procheader_headername_equal(header->name, "Date") &&
2192                     prefs_common.msgview_date_format) {
2193                         gchar hbody[80];
2194
2195                         procheader_date_parse(hbody, header->body, sizeof(hbody));
2196                         gtk_text_buffer_get_end_iter (buffer, &iter);
2197                         gtk_text_buffer_insert_with_tags_by_name
2198                                 (buffer, &iter, hbody, -1, "header", NULL);
2199                 } else if ((procheader_headername_equal(header->name, "X-Mailer") ||
2200                                 procheader_headername_equal(header->name,
2201                                                  "X-Newsreader")) &&
2202                                 (strstr(header->body, "Claws Mail") != NULL ||
2203                                 strstr(header->body, "Sylpheed-Claws") != NULL)) {
2204                         gtk_text_buffer_get_end_iter (buffer, &iter);
2205                         gtk_text_buffer_insert_with_tags_by_name
2206                                 (buffer, &iter, header->body, -1,
2207                                  "header", "emphasis", NULL);
2208                 } else {
2209                         gboolean hdr =
2210                           procheader_headername_equal(header->name, "From") ||
2211                           procheader_headername_equal(header->name, "To") ||
2212                           procheader_headername_equal(header->name, "Cc") ||
2213                           procheader_headername_equal(header->name, "Bcc") ||
2214                           procheader_headername_equal(header->name, "Reply-To") ||
2215                           procheader_headername_equal(header->name, "Sender");
2216                         textview_make_clickable_parts(textview, "header",
2217                                                       "hlink", header->body,
2218                                                       hdr);
2219                 }
2220                 gtk_text_buffer_get_end_iter (buffer, &iter);
2221                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
2222                                                          "header", NULL);
2223         }
2224
2225         textview_show_face(textview);
2226 #if HAVE_LIBCOMPFACE
2227         textview_show_xface(textview);
2228 #endif
2229         textview_save_contact_pic(textview);
2230         textview_show_contact_pic(textview);
2231 }
2232
2233 gboolean textview_search_string(TextView *textview, const gchar *str,
2234                                 gboolean case_sens)
2235 {
2236         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2237
2238         return gtkut_text_view_search_string(text, str, case_sens);
2239 }
2240
2241 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
2242                                          gboolean case_sens)
2243 {
2244         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2245
2246         return gtkut_text_view_search_string_backward(text, str, case_sens);
2247 }
2248
2249 void textview_scroll_one_line(TextView *textview, gboolean up)
2250 {
2251         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2252         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2253
2254         gtkutils_scroll_one_line(GTK_WIDGET(text), vadj, up);
2255 }
2256
2257 gboolean textview_scroll_page(TextView *textview, gboolean up)
2258 {
2259         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2260         GtkAdjustment *vadj = gtk_text_view_get_vadjustment(text);
2261
2262         return gtkutils_scroll_page(GTK_WIDGET(text), vadj, up);
2263 }
2264
2265 #define KEY_PRESS_EVENT_STOP() \
2266         g_signal_stop_emission_by_name(G_OBJECT(widget), \
2267                                        "key_press_event");
2268
2269 static gint textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
2270                                  TextView *textview)
2271 {
2272         GdkWindow *window;
2273         SummaryView *summaryview = NULL;
2274         MessageView *messageview = textview->messageview;
2275
2276         if (!event) return FALSE;
2277         if (messageview->mainwin)
2278                 summaryview = messageview->mainwin->summaryview;
2279
2280         switch (event->keyval) {
2281         case GDK_KEY_Tab:
2282         case GDK_KEY_Home:
2283         case GDK_KEY_Left:
2284         case GDK_KEY_Up:
2285         case GDK_KEY_Right:
2286         case GDK_KEY_Down:
2287         case GDK_KEY_Page_Up:
2288         case GDK_KEY_Page_Down:
2289         case GDK_KEY_End:
2290         case GDK_KEY_Control_L:
2291         case GDK_KEY_Control_R:
2292                 return FALSE;
2293         case GDK_KEY_space:
2294                 if (summaryview)
2295                         summary_pass_key_press_event(summaryview, event);
2296                 else
2297                         mimeview_scroll_page
2298                                 (messageview->mimeview,
2299                                  (event->state &
2300                                   (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2301                 break;
2302         case GDK_KEY_BackSpace:
2303                 mimeview_scroll_page(messageview->mimeview, TRUE);
2304                 break;
2305         case GDK_KEY_Return:
2306         case GDK_KEY_KP_Enter:
2307                 mimeview_scroll_one_line
2308                         (messageview->mimeview, (event->state &
2309                                     (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
2310                 break;
2311         case GDK_KEY_Delete:
2312                 if (summaryview)
2313                         summary_pass_key_press_event(summaryview, event);
2314                 break;
2315         case GDK_KEY_y:
2316         case GDK_KEY_t:
2317         case GDK_KEY_l:
2318         case GDK_KEY_o:
2319         case GDK_KEY_c:
2320         case GDK_KEY_a:
2321                 if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) == 0) {
2322                         KEY_PRESS_EVENT_STOP();
2323                         mimeview_pass_key_press_event(messageview->mimeview,
2324                                                       event);
2325                         break;
2326                 }
2327                 /* possible fall through */
2328         default:
2329                 window = gtk_widget_get_window(messageview->mainwin->window);
2330                 if (summaryview &&
2331                     event->window != window) {
2332                         GdkEventKey tmpev = *event;
2333
2334                         tmpev.window = window;
2335                         KEY_PRESS_EVENT_STOP();
2336                         gtk_widget_event(messageview->mainwin->window,
2337                                          (GdkEvent *)&tmpev);
2338                 }
2339                 break;
2340         }
2341
2342         return TRUE;
2343 }
2344
2345 static gboolean textview_motion_notify(GtkWidget *widget,
2346                                        GdkEventMotion *event,
2347                                        TextView *textview)
2348 {
2349         if (textview->loading)
2350                 return FALSE;
2351         textview_uri_update(textview, event->x, event->y);
2352         gdk_window_get_pointer(gtk_widget_get_window(widget), NULL, NULL, NULL);
2353
2354         return FALSE;
2355 }
2356
2357 static gboolean textview_leave_notify(GtkWidget *widget,
2358                                       GdkEventCrossing *event,
2359                                       TextView *textview)
2360 {
2361         if (textview->loading)
2362                 return FALSE;
2363         textview_uri_update(textview, -1, -1);
2364
2365         return FALSE;
2366 }
2367
2368 static gboolean textview_visibility_notify(GtkWidget *widget,
2369                                            GdkEventVisibility *event,
2370                                            TextView *textview)
2371 {
2372         gint wx, wy;
2373         GdkWindow *window;
2374
2375         if (textview->loading)
2376                 return FALSE;
2377
2378         window = gtk_text_view_get_window(GTK_TEXT_VIEW(widget),
2379                                           GTK_TEXT_WINDOW_TEXT);
2380
2381         /* check if occurred for the text window part */
2382         if (window != event->window)
2383                 return FALSE;
2384
2385         gdk_window_get_pointer(gtk_widget_get_window(widget), &wx, &wy, NULL);
2386         textview_uri_update(textview, wx, wy);
2387
2388         return FALSE;
2389 }
2390
2391 void textview_cursor_wait(TextView *textview)
2392 {
2393         GdkWindow *window = gtk_text_view_get_window(
2394                         GTK_TEXT_VIEW(textview->text),
2395                         GTK_TEXT_WINDOW_TEXT);
2396         textview_set_cursor(window, watch_cursor);
2397 }
2398
2399 void textview_cursor_normal(TextView *textview)
2400 {
2401         GdkWindow *window = gtk_text_view_get_window(
2402                         GTK_TEXT_VIEW(textview->text),
2403                         GTK_TEXT_WINDOW_TEXT);
2404         textview_set_cursor(window, text_cursor);
2405 }
2406
2407 static void textview_uri_update(TextView *textview, gint x, gint y)
2408 {
2409         GtkTextBuffer *buffer;
2410         GtkTextIter start_iter, end_iter;
2411         ClickableText *uri = NULL;
2412
2413         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2414
2415         if (x != -1 && y != -1) {
2416                 gint bx, by;
2417                 GtkTextIter iter;
2418                 GSList *tags;
2419                 GSList *cur;
2420
2421                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview->text),
2422                                                       GTK_TEXT_WINDOW_WIDGET,
2423                                                       x, y, &bx, &by);
2424                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview->text),
2425                                                    &iter, bx, by);
2426
2427                 tags = gtk_text_iter_get_tags(&iter);
2428                 for (cur = tags; cur != NULL; cur = cur->next) {
2429                         GtkTextTag *tag = cur->data;
2430                         char *name;
2431
2432                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
2433
2434                         if ((!strcmp(name, "link") || !strcmp(name, "hlink"))
2435                             && textview_get_uri_range(textview, &iter, tag,
2436                                                       &start_iter, &end_iter)) {
2437
2438                                 uri = textview_get_uri_from_range(textview,
2439                                                                   &iter, tag,
2440                                                                   &start_iter,
2441                                                                   &end_iter);
2442                         }
2443                         g_free(name);
2444                         if (uri)
2445                                 break;
2446                 }
2447                 g_slist_free(tags);
2448         }
2449
2450         if (uri != textview->uri_hover) {
2451                 GdkWindow *window;
2452
2453                 if (textview->uri_hover)
2454                         gtk_text_buffer_remove_tag_by_name(buffer,
2455                                                            "link-hover",
2456                                                            &textview->uri_hover_start_iter,
2457                                                            &textview->uri_hover_end_iter);
2458
2459                 textview->uri_hover = uri;
2460                 if (uri) {
2461                         textview->uri_hover_start_iter = start_iter;
2462                         textview->uri_hover_end_iter = end_iter;
2463                 }
2464
2465                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview->text),
2466                                                   GTK_TEXT_WINDOW_TEXT);
2467                 if (textview->messageview->mainwin->cursor_count == 0) {
2468                         textview_set_cursor(window, uri ? hand_cursor : text_cursor);
2469                 } else {
2470                         textview_set_cursor(window, watch_cursor);
2471                 }
2472
2473                 TEXTVIEW_STATUSBAR_POP(textview);
2474
2475                 if (uri) {
2476                         if (!uri->is_quote)
2477                                 gtk_text_buffer_apply_tag_by_name(buffer,
2478                                                           "link-hover",
2479                                                           &start_iter,
2480                                                           &end_iter);
2481                         TEXTVIEW_STATUSBAR_PUSH(textview, uri->uri);
2482                 }
2483         }
2484 }
2485
2486 static gboolean textview_get_uri_range(TextView *textview,
2487                                        GtkTextIter *iter,
2488                                        GtkTextTag *tag,
2489                                        GtkTextIter *start_iter,
2490                                        GtkTextIter *end_iter)
2491 {
2492         return get_tag_range(iter, tag, start_iter, end_iter);
2493 }
2494
2495 static ClickableText *textview_get_uri_from_range(TextView *textview,
2496                                               GtkTextIter *iter,
2497                                               GtkTextTag *tag,
2498                                               GtkTextIter *start_iter,
2499                                               GtkTextIter *end_iter)
2500 {
2501         gint start_pos, end_pos, cur_pos;
2502         ClickableText *uri = NULL;
2503         GSList *cur;
2504
2505         start_pos = gtk_text_iter_get_offset(start_iter);
2506         end_pos = gtk_text_iter_get_offset(end_iter);
2507         cur_pos = gtk_text_iter_get_offset(iter);
2508
2509         for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
2510                 ClickableText *uri_ = (ClickableText *)cur->data;
2511                 if (start_pos == uri_->start &&
2512                     end_pos ==  uri_->end) {
2513                         uri = uri_;
2514                         break;
2515                 }
2516         }
2517         for (cur = textview->uri_list; uri == NULL && cur != NULL; cur = cur->next) {
2518                 ClickableText *uri_ = (ClickableText *)cur->data;
2519                 if (start_pos == uri_->start ||
2520                            end_pos == uri_->end) {
2521                         /* in case of contiguous links, textview_get_uri_range
2522                          * returns a broader range (start of 1st link to end
2523                          * of last link).
2524                          * In that case, correct link is the one covering
2525                          * current iter.
2526                          */
2527                         if (uri_->start <= cur_pos && cur_pos <= uri_->end) {
2528                                 uri = uri_;
2529                                 break;
2530                         }
2531                 }
2532         }
2533
2534         return uri;
2535 }
2536
2537 static ClickableText *textview_get_uri(TextView *textview,
2538                                    GtkTextIter *iter,
2539                                    GtkTextTag *tag)
2540 {
2541         GtkTextIter start_iter, end_iter;
2542         ClickableText *uri = NULL;
2543
2544         if (textview_get_uri_range(textview, iter, tag, &start_iter,
2545                                    &end_iter))
2546                 uri = textview_get_uri_from_range(textview, iter, tag,
2547                                                   &start_iter, &end_iter);
2548
2549         return uri;
2550 }
2551
2552 static void textview_shift_uris_after(TextView *textview, GSList *start_list, gint start, gint shift)
2553 {
2554         GSList *cur;
2555         if (!start_list)
2556                 start_list = textview->uri_list;
2557
2558         for (cur = start_list; cur; cur = cur->next) {
2559                 ClickableText *uri = (ClickableText *)cur->data;
2560                 if (uri->start <= start)
2561                         continue;
2562                 uri->start += shift;
2563                 uri->end += shift;
2564         }
2565 }
2566
2567 static void textview_remove_uris_in(TextView *textview, gint start, gint end)
2568 {
2569         GSList *cur;
2570         for (cur = textview->uri_list; cur; ) {
2571                 ClickableText *uri = (ClickableText *)cur->data;
2572                 if (uri->start > start && uri->end < end) {
2573                         cur = cur->next;
2574                         textview->uri_list = g_slist_remove(textview->uri_list, uri);
2575                         g_free(uri->uri);
2576                         g_free(uri->filename);
2577                         if (uri->is_quote) {
2578                                 g_free(uri->fg_color);
2579                                 g_free(uri->data);
2580                                 /* (only free data in quotes uris) */
2581                         }
2582                         g_free(uri);
2583                 } else {
2584                         cur = cur->next;
2585                 }
2586
2587         }
2588 }
2589
2590 static void textview_toggle_quote(TextView *textview, GSList *start_list, ClickableText *uri, gboolean expand_only)
2591 {
2592         GtkTextIter start, end;
2593         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2594
2595         if (!uri->is_quote)
2596                 return;
2597
2598         if (uri->q_expanded && expand_only)
2599                 return;
2600
2601         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2602         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2603         if (textview->uri_hover)
2604                 gtk_text_buffer_remove_tag_by_name(buffer,
2605                                                    "link-hover",
2606                                                    &textview->uri_hover_start_iter,
2607                                                    &textview->uri_hover_end_iter);
2608         textview->uri_hover = NULL;
2609         gtk_text_buffer_remove_tag_by_name(buffer,
2610                                            "qlink",
2611                                            &start,
2612                                            &end);
2613         /* when shifting URIs start and end, we have to do it per-UTF8-char
2614          * so use g_utf8_strlen(). OTOH, when inserting in the text buffer,
2615          * we have to pass a number of bytes, so use strlen(). disturbing. */
2616
2617         if (!uri->q_expanded) {
2618                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2619                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2620                 textview_shift_uris_after(textview, start_list, uri->start,
2621                         g_utf8_strlen((gchar *)uri->data, -1)-strlen(" [...]\n"));
2622                 gtk_text_buffer_delete(buffer, &start, &end);
2623                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2624                 gtk_text_buffer_insert_with_tags_by_name
2625                                 (buffer, &start, (gchar *)uri->data,
2626                                  strlen((gchar *)uri->data)-1,
2627                                  "qlink", (gchar *)uri->fg_color, NULL);
2628                 uri->end = gtk_text_iter_get_offset(&start);
2629                 textview_make_clickable_parts_later(textview,
2630                                           uri->start, uri->end);
2631                 uri->q_expanded = TRUE;
2632         } else {
2633                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2634                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2635                 textview_remove_uris_in(textview, uri->start, uri->end);
2636                 textview_shift_uris_after(textview, start_list, uri->start,
2637                         strlen(" [...]\n")-g_utf8_strlen((gchar *)uri->data, -1));
2638                 gtk_text_buffer_delete(buffer, &start, &end);
2639                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2640                 gtk_text_buffer_insert_with_tags_by_name
2641                                 (buffer, &start, " [...]", -1,
2642                                  "qlink", (gchar *)uri->fg_color, NULL);
2643                 uri->end = gtk_text_iter_get_offset(&start);
2644                 uri->q_expanded = FALSE;
2645         }
2646         if (textview->messageview->mainwin->cursor_count == 0) {
2647                 textview_cursor_normal(textview);
2648         } else {
2649                 textview_cursor_wait(textview);
2650         }
2651 }
2652 static gboolean textview_uri_button_pressed(GtkTextTag *tag, GObject *obj,
2653                                             GdkEvent *event, GtkTextIter *iter,
2654                                             TextView *textview)
2655 {
2656         GdkEventButton *bevent;
2657         ClickableText *uri = NULL;
2658         char *tagname;
2659         gboolean qlink = FALSE;
2660
2661         if (!event)
2662                 return FALSE;
2663
2664         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
2665                 && event->type != GDK_MOTION_NOTIFY)
2666                 return FALSE;
2667
2668         uri = textview_get_uri(textview, iter, tag);
2669         if (!uri)
2670                 return FALSE;
2671
2672         g_object_get(G_OBJECT(tag), "name", &tagname, NULL);
2673
2674         if (!strcmp(tagname, "qlink"))
2675                 qlink = TRUE;
2676
2677         g_free(tagname);
2678
2679         bevent = (GdkEventButton *) event;
2680
2681         /* doubleclick: open compose / add address / browser */
2682         if (qlink && event->type == GDK_BUTTON_PRESS && bevent->button != 1) {
2683                 /* pass rightclick through */
2684                 return FALSE;
2685         } else if ((event->type == (qlink ? GDK_2BUTTON_PRESS:GDK_BUTTON_PRESS) && bevent->button == 1) ||
2686                 bevent->button == 2 || bevent->button == 3) {
2687                 if (uri->filename && !g_ascii_strncasecmp(uri->filename, "sc://", 5)) {
2688                         MimeView *mimeview =
2689                                 (textview->messageview)?
2690                                         textview->messageview->mimeview:NULL;
2691                         if (mimeview && bevent->button == 1) {
2692                                 mimeview_handle_cmd(mimeview, uri->filename, NULL, uri->data);
2693                         } else if (mimeview && bevent->button == 2 &&
2694                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2695                                 mimeview_handle_cmd(mimeview, "sc://open_attachment", NULL, uri->data);
2696                         } else if (mimeview && bevent->button == 3 &&
2697                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2698                                 mimeview_handle_cmd(mimeview, "sc://menu_attachment", bevent, uri->data);
2699                         }
2700                         return TRUE;
2701                 } else if (qlink && bevent->button == 1) {
2702                         if (prefs_common.hide_quoted)
2703                                 textview_toggle_quote(textview, NULL, uri, FALSE);
2704                         return TRUE;
2705                 } else if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) {
2706                         if (bevent->button == 3) {
2707                                 g_object_set_data(
2708                                         G_OBJECT(textview->mail_popup_menu),
2709                                         "menu_button", uri);
2710                                 gtk_menu_popup(GTK_MENU(textview->mail_popup_menu),
2711                                                NULL, NULL, NULL, NULL,
2712                                                bevent->button, bevent->time);
2713                         } else {
2714                                 PrefsAccount *account = NULL;
2715                                 FolderItem   *folder_item = NULL;
2716                                 Compose *compose;
2717
2718                                 if (textview->messageview && textview->messageview->msginfo &&
2719                                     textview->messageview->msginfo->folder) {
2720
2721
2722                                         folder_item = textview->messageview->msginfo->folder;
2723                                         if (folder_item->prefs && folder_item->prefs->enable_default_account)
2724                                                 account = account_find_from_id(folder_item->prefs->default_account);
2725                                         if (!account)
2726                                                 account = account_find_from_item(folder_item);
2727                                 }
2728                                 compose = compose_new_with_folderitem(account,
2729                                                                 folder_item, uri->uri + 7);
2730                                 compose_check_for_email_account(compose);
2731                         }
2732                         return TRUE;
2733                 } else if (g_ascii_strncasecmp(uri->uri, "file:", 5)) {
2734                         if (bevent->button == 1 &&
2735                             textview_uri_security_check(textview, uri) == TRUE)
2736                                         open_uri(uri->uri,
2737                                                  prefs_common_get_uri_cmd());
2738                         else if (bevent->button == 3 && !qlink) {
2739                                 g_object_set_data(
2740                                         G_OBJECT(textview->link_popup_menu),
2741                                         "menu_button", uri);
2742                                 gtk_menu_popup(GTK_MENU(textview->link_popup_menu),
2743                                                NULL, NULL, NULL, NULL,
2744                                                bevent->button, bevent->time);
2745                         }
2746                         return TRUE;
2747                 } else {
2748                         if (bevent->button == 3 && !qlink) {
2749                                 g_object_set_data(
2750                                         G_OBJECT(textview->file_popup_menu),
2751                                         "menu_button", uri);
2752                                 gtk_menu_popup(GTK_MENU(textview->file_popup_menu),
2753                                                NULL, NULL, NULL, NULL,
2754                                                bevent->button, bevent->time);
2755                                 return TRUE;
2756                         }
2757                 }
2758         }
2759
2760         return FALSE;
2761 }
2762
2763 gchar *textview_get_visible_uri         (TextView       *textview,
2764                                          ClickableText  *uri)
2765 {
2766         GtkTextBuffer *buffer;
2767         GtkTextIter start, end;
2768
2769         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2770
2771         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2772         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2773
2774         return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
2775 }
2776
2777 /*!
2778  *\brief    Check to see if a web URL has been disguised as a different
2779  *          URL (possible with HTML email).
2780  *
2781  *\param    uri The uri to check
2782  *
2783  *\param    textview The TextView the URL is contained in
2784  *
2785  *\return   gboolean TRUE if the URL is ok, or if the user chose to open
2786  *          it anyway, otherwise FALSE
2787  */
2788 gboolean textview_uri_security_check(TextView *textview, ClickableText *uri)
2789 {
2790         gchar *visible_str;
2791         gboolean retval = TRUE;
2792
2793         if (is_uri_string(uri->uri) == FALSE)
2794                 return TRUE;
2795
2796         visible_str = textview_get_visible_uri(textview, uri);
2797         if (visible_str == NULL)
2798                 return TRUE;
2799
2800         g_strstrip(visible_str);
2801
2802         if (strcmp(visible_str, uri->uri) != 0 && is_uri_string(visible_str)) {
2803                 gchar *uri_path;
2804                 gchar *visible_uri_path;
2805
2806                 uri_path = get_uri_path(uri->uri);
2807                 visible_uri_path = get_uri_path(visible_str);
2808                 if (path_cmp(uri_path, visible_uri_path) != 0)
2809                         retval = FALSE;
2810         }
2811
2812         if (retval == FALSE) {
2813                 gchar *msg;
2814                 AlertValue aval;
2815
2816                 msg = g_markup_printf_escaped(_("The real URL is different from "
2817                                                 "the displayed URL.\n"
2818                                                 "\n"
2819                                                 "<b>Displayed URL:</b> %s\n"
2820                                                 "\n"
2821                                                 "<b>Real URL:</b> %s\n"
2822                                                 "\n"
2823                                                 "Open it anyway?"),
2824                                                visible_str,uri->uri);
2825                 aval = alertpanel_full(_("Phishing attempt warning"), msg,
2826                                        GTK_STOCK_CANCEL, _("_Open URL"), NULL, FALSE,
2827                                        NULL, ALERT_WARNING, G_ALERTDEFAULT);
2828                 g_free(msg);
2829                 if (aval == G_ALERTALTERNATE)
2830                         retval = TRUE;
2831         }
2832
2833         g_free(visible_str);
2834
2835         return retval;
2836 }
2837
2838 static void textview_uri_list_remove_all(GSList *uri_list)
2839 {
2840         GSList *cur;
2841
2842         for (cur = uri_list; cur != NULL; cur = cur->next) {
2843                 if (cur->data) {
2844                         g_free(((ClickableText *)cur->data)->uri);
2845                         g_free(((ClickableText *)cur->data)->filename);
2846                         if (((ClickableText *)cur->data)->is_quote) {
2847                                 g_free(((ClickableText *)cur->data)->fg_color);
2848                                 g_free(((ClickableText *)cur->data)->data);
2849                                 /* (only free data in quotes uris) */
2850                         }
2851                         g_free(cur->data);
2852                 }
2853         }
2854
2855         g_slist_free(uri_list);
2856 }
2857
2858 static void open_uri_cb (GtkAction *action, TextView *textview)
2859 {
2860         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2861                                            "menu_button");
2862         const gchar *raw_url = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2863                                            "raw_url");
2864
2865         if (uri) {
2866                 if (textview_uri_security_check(textview, uri) == TRUE)
2867                         open_uri(uri->uri,
2868                                  prefs_common_get_uri_cmd());
2869                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2870                                   NULL);
2871         }
2872         if (raw_url) {
2873                 open_uri(raw_url, prefs_common_get_uri_cmd());
2874                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
2875                                   NULL);
2876         }
2877 }
2878
2879 static void open_image_cb (GtkAction *action, TextView *textview)
2880 {
2881         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
2882                                            "menu_button");
2883
2884         gchar *cmd = NULL;
2885         gchar buf[1024];
2886         const gchar *p;
2887         gchar *filename = NULL;
2888         gchar *tmp_filename = NULL;
2889
2890         if (uri == NULL)
2891                 return;
2892
2893         if (uri->filename == NULL)
2894                 return;
2895
2896         filename = g_strdup(uri->filename);
2897
2898         if (!g_utf8_validate(filename, -1, NULL)) {
2899                 gchar *tmp = conv_filename_to_utf8(filename);
2900                 g_free(filename);
2901                 filename = tmp;
2902         }
2903
2904         subst_for_filename(filename);
2905
2906         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
2907         copy_file(tmp_filename, filename, FALSE);
2908         g_free(tmp_filename);
2909
2910         cmd = mailcap_get_command_for_type("image/jpeg", filename);
2911         if (cmd == NULL) {
2912                 gboolean remember = FALSE;
2913                 cmd = input_dialog_combo_remember
2914                         (_("Open with"),
2915                          _("Enter the command-line to open file:\n"
2916                            "('%s' will be replaced with file name)"),
2917                          prefs_common.mime_open_cmd,
2918                          prefs_common.mime_open_cmd_history,
2919                          &remember);
2920                 if (cmd && remember) {
2921                         mailcap_update_default("image/jpeg", cmd);
2922                 }
2923         }
2924         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2925             !strchr(p + 2, '%'))
2926                 g_snprintf(buf, sizeof(buf), cmd, filename);
2927         else {
2928                 g_warning("Image viewer command-line is invalid: '%s'", cmd);
2929                 return;
2930         }
2931
2932         execute_command_line(buf, TRUE);
2933
2934         g_free(filename);
2935         g_free(cmd);
2936
2937         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
2938                           NULL);
2939 }
2940
2941 static void save_file_cb (GtkAction *action, TextView *textview)
2942 {
2943         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
2944                                            "menu_button");
2945         gchar *filename = NULL;
2946         gchar *filepath = NULL;
2947         gchar *filedir = NULL;
2948         gchar *tmp_filename = NULL;
2949         if (uri == NULL)
2950                 return;
2951
2952         if (uri->filename == NULL)
2953                 return;
2954
2955         filename = g_strdup(uri->filename);
2956
2957         if (!g_utf8_validate(filename, -1, NULL)) {
2958                 gchar *tmp = conv_filename_to_utf8(filename);
2959                 g_free(filename);
2960                 filename = tmp;
2961         }
2962
2963         subst_for_filename(filename);
2964
2965         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
2966                 filepath = g_strconcat(prefs_common.attach_save_dir,
2967                                        G_DIR_SEPARATOR_S, filename, NULL);
2968         else
2969                 filepath = g_strdup(filename);
2970
2971         g_free(filename);
2972
2973         filename = filesel_select_file_save(_("Save as"), filepath);
2974         if (!filename) {
2975                 g_free(filepath);
2976                 return;
2977         }
2978
2979         if (is_file_exist(filename)) {
2980                 AlertValue aval;
2981                 gchar *res;
2982
2983                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
2984                                       filename);
2985                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
2986                                   GTK_STOCK_OK, NULL);
2987                 g_free(res);
2988                 if (G_ALERTALTERNATE != aval)
2989                         return;
2990         }
2991
2992         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
2993         copy_file(tmp_filename, filename, FALSE);
2994         g_free(tmp_filename);
2995
2996         filedir = g_path_get_dirname(filename);
2997         if (filedir && strcmp(filedir, ".")) {
2998                 g_free(prefs_common.attach_save_dir);
2999                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
3000         }
3001
3002         g_free(filedir);
3003         g_free(filepath);
3004
3005         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
3006                           NULL);
3007 }
3008
3009 static void copy_uri_cb (GtkAction *action, TextView *textview)
3010 {
3011         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
3012                                            "menu_button");
3013         const gchar *raw_url =  g_object_get_data(G_OBJECT(textview->link_popup_menu),
3014                                            "raw_url");
3015         if (uri) {
3016                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri, -1);
3017                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri, -1);
3018                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
3019                           NULL);
3020         }
3021         if (raw_url) {
3022                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), raw_url, -1);
3023                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), raw_url, -1);
3024                 g_object_set_data(G_OBJECT(textview->link_popup_menu), "raw_url",
3025                           NULL);
3026         }
3027 }
3028
3029 static void add_uri_to_addrbook_cb (GtkAction *action, TextView *textview)
3030 {
3031         gchar *fromname, *fromaddress;
3032         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3033                                            "menu_button");
3034         GtkWidget *image = NULL;
3035         GdkPixbuf *picture = NULL;
3036         gboolean use_picture = FALSE;
3037         if (uri == NULL)
3038                 return;
3039
3040         /* extract url */
3041         fromaddress = g_strdup(uri->uri + 7);
3042
3043         if (textview->messageview->msginfo &&
3044            !strcmp2(fromaddress, textview->messageview->msginfo->from))
3045                 use_picture = TRUE;
3046
3047         fromname = procheader_get_fromname(fromaddress);
3048         extract_address(fromaddress);
3049
3050         if (use_picture &&
3051             textview->messageview->msginfo &&
3052             textview->messageview->msginfo->extradata &&
3053             textview->messageview->msginfo->extradata->face) {
3054                 image = face_get_from_header(textview->messageview->msginfo->extradata->face);
3055         }
3056 #if HAVE_LIBCOMPFACE
3057         else if (use_picture &&
3058                  textview->messageview->msginfo &&
3059                  textview->messageview->msginfo->extradata &&
3060                  textview->messageview->msginfo->extradata->xface) {
3061                 image = xface_get_from_header(textview->messageview->msginfo->extradata->xface,
3062                                 &textview->text->style->white,
3063                                 mainwindow_get_mainwindow()->window->window);
3064         }
3065 #endif
3066         if (image)
3067                 picture = gtk_image_get_pixbuf(GTK_IMAGE(image));
3068
3069         addressbook_add_contact( fromname, fromaddress, NULL, picture);
3070
3071         g_free(fromaddress);
3072         g_free(fromname);
3073 }
3074
3075 static void reply_to_uri_cb (GtkAction *action, TextView *textview)
3076 {
3077         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3078                                            "menu_button");
3079         if (!textview->messageview || !uri)
3080                 return;
3081
3082         compose_reply_to_address (textview->messageview,
3083                                   textview->messageview->msginfo, uri->uri+7);
3084 }
3085
3086 static void mail_to_uri_cb (GtkAction *action, TextView *textview)
3087 {
3088         PrefsAccount *account = NULL;
3089         Compose *compose;
3090         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3091                                            "menu_button");
3092         if (uri == NULL)
3093                 return;
3094
3095         if (textview->messageview && textview->messageview->msginfo &&
3096             textview->messageview->msginfo->folder) {
3097                 FolderItem   *folder_item;
3098
3099                 folder_item = textview->messageview->msginfo->folder;
3100                 if (folder_item->prefs && folder_item->prefs->enable_default_account)
3101                         account = account_find_from_id(folder_item->prefs->default_account);
3102
3103                 compose = compose_new_with_folderitem(account, folder_item, uri->uri+7);
3104         } else {
3105                 compose = compose_new(account, uri->uri + 7, NULL);
3106         }
3107         compose_check_for_email_account(compose);
3108 }
3109
3110 static void copy_mail_to_uri_cb (GtkAction *action, TextView *textview)
3111 {
3112         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
3113                                            "menu_button");
3114         if (uri == NULL)
3115                 return;
3116
3117         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri +7, -1);
3118         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri +7, -1);
3119         g_object_set_data(G_OBJECT(textview->mail_popup_menu), "menu_button",
3120                           NULL);
3121 }
3122
3123 void textview_get_selection_offsets(TextView *textview, gint *sel_start, gint *sel_end)
3124 {
3125                 GtkTextView *text = GTK_TEXT_VIEW(textview->text);
3126                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
3127                 GtkTextIter start, end;
3128                 if (gtk_text_buffer_get_selection_bounds(buffer, &start, &end)) {
3129                         if (sel_start)
3130                                 *sel_start = gtk_text_iter_get_offset(&start);
3131                         if (sel_end)
3132                                 *sel_end = gtk_text_iter_get_offset(&end);
3133                 } else {
3134                         if (sel_start)
3135                                 *sel_start = -1;
3136                         if (sel_end)
3137                                 *sel_end = -1;
3138                 }
3139 }