src/mimeview.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2015 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 #  include "config.h"
  21 #include "claws-features.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #ifdef G_OS_WIN32
  27 #define UNICODE
  28 #define _UNICODE
  29 #endif
  30
  31 #include <glib.h>
  32 #include <glib/gi18n.h>
  33 #include <gdk/gdkkeysyms.h>
  34 #include <gtk/gtk.h>
  35 #include <stdio.h>
  36 #include <sys/types.h>
  37 #include <sys/stat.h>
  38
  39 #include "main.h"
  40 #include "mimeview.h"
  41 #include "textview.h"
  42 #include "procmime.h"
  43 #include "summaryview.h"
  44 #include "menu.h"
  45 #include "filesel.h"
  46 #include "alertpanel.h"
  47 #include "inputdialog.h"
  48 #include "utils.h"
  49 #include "gtkutils.h"
  50 #include "prefs_common.h"
  51 #include "procheader.h"
  52 #include "stock_pixmap.h"
  53 #include "gtk/gtkvscrollbutton.h"
  54 #include "gtk/logwindow.h"
  55 #include "timing.h"
  56 #include "manage_window.h"
  57 #include "privacy.h"
  58 #include "file-utils.h"
  59
  60 typedef enum
  61 {
  62         COL_MIMETYPE = 0,
  63         COL_SIZE     = 1,
  64         COL_NAME     = 2,
  65         COL_DATA     = 3,
  66 } MimeViewColumnPos;
  67
  68 #define N_MIMEVIEW_COLS 4
  69
  70 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  71                                                  MimeInfo       *mimeinfo,
  72                                                  GtkTreeIter    *parent);
  73 static void mimeview_show_message_part          (MimeView       *mimeview,
  74                                                  MimeInfo       *partinfo);
  75 static void mimeview_change_view_type           (MimeView       *mimeview,
  76                                                  MimeViewType    type);
  77 static gchar *mimeview_get_filename_for_part    (MimeInfo       *partinfo,
  78                                                  const gchar    *basedir,
  79                                                  gint            number);
  80 static gboolean mimeview_write_part             (const gchar    *filename,
  81                                                  MimeInfo       *partinfo,
  82                                                  gboolean        handle_error);
  83
  84 static void mimeview_selected           (GtkTreeSelection       *selection,
  85                                          MimeView       *mimeview);
  86 static gint mimeview_button_pressed     (GtkWidget      *widget,
  87                                          GdkEventButton *event,
  88                                          MimeView       *mimeview);
  89 static gint mimeview_key_pressed        (GtkWidget      *widget,
  90                                          GdkEventKey    *event,
  91                                          MimeView       *mimeview);
  92
  93 static void mimeview_drag_data_get      (GtkWidget        *widget,
  94                                          GdkDragContext   *drag_context,
  95                                          GtkSelectionData *selection_data,
  96                                          guint             info,
  97                                          guint             time,
  98                                          MimeView         *mimeview);
  99
 100 static gboolean mimeview_scrolled       (GtkWidget      *widget,
 101                                          GdkEventScroll *event,
 102                                          MimeView       *mimeview);
 103
 104 static void mimeview_save_all           (MimeView       *mimeview);
 105 #ifndef G_OS_WIN32
 106 static void mimeview_open_part_with     (MimeView       *mimeview,
 107                                          MimeInfo       *partinfo,
 108                                          gboolean        automatic);
 109 #endif
 110 static void mimeview_send_to            (MimeView       *mimeview,
 111                                          MimeInfo       *partinfo);
 112 static void mimeview_view_file          (const gchar    *filename,
 113                                          MimeInfo       *partinfo,
 114                                          const gchar    *cmd,
 115                                          MimeView       *mimeview);
 116 static gboolean icon_clicked_cb         (GtkWidget      *button,
 117                                          GdkEventButton *event,
 118                                          MimeView       *mimeview);
 119 static void icon_selected               (MimeView       *mimeview,
 120                                          gint            num,
 121                                          MimeInfo       *partinfo);
 122 static gint icon_key_pressed            (GtkWidget      *button,
 123                                          GdkEventKey    *event,
 124                                          MimeView       *mimeview);
 125 static void icon_list_append_icon       (MimeView       *mimeview,
 126                                          MimeInfo       *mimeinfo);
 127 static void icon_list_create            (MimeView       *mimeview,
 128                                          MimeInfo       *mimeinfo);
 129 static void icon_list_clear             (MimeView       *mimeview);
 130 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 131                                            MimeInfo     *mimeinfo);
 132 static void ctree_size_allocate_cb      (GtkWidget      *widget,
 133                                          GtkAllocation  *allocation,
 134                                          MimeView       *mimeview);
 135 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
 136                                     MimeView *mimeview);
 137 static gboolean part_button_pressed     (MimeView       *mimeview,
 138                                          GdkEventButton *event,
 139                                          MimeInfo       *partinfo);
 140 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 141                                          GtkAllocation  *layout_size,
 142                                          MimeView       *mimeview);
 143 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview);
 144 static const gchar *get_part_name(MimeInfo *partinfo);
 145 static const gchar *get_part_description(MimeInfo *partinfo);
 146
 147 static void mimeview_launch_cb(GtkAction *action, gpointer data)
 148 {
 149         MimeView *mimeview = (MimeView *)data;
 150         mimeview_launch(mimeview, mimeview_get_part_to_use(mimeview));
 151 }
 152
 153 #ifndef G_OS_WIN32
 154 static void mimeview_open_with_cb(GtkAction *action, gpointer data)
 155 {
 156         mimeview_open_with((MimeView *)data);
 157 }
 158 #endif
 159
 160 static void mimeview_copy_cb(GtkAction *action, gpointer data)
 161 {
 162         MimeView *mimeview = (MimeView *)data;
 163         MimeInfo *mimeinfo = mimeview_get_part_to_use(mimeview);
 164
 165         if (mimeinfo == NULL)
 166                 return;
 167
 168         if (mimeinfo->type == MIMETYPE_IMAGE) {
 169                 GError *error = NULL;
 170                 GdkPixbuf *pixbuf = procmime_get_part_as_pixbuf(mimeinfo, &error);
 171                 if (error != NULL) {
 172                         g_warning("could not copy: %s", error->message);
 173                         g_error_free(error);
 174                 } else {
 175                         gtk_clipboard_set_image(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD),
 176                                                 pixbuf);
 177                 }
 178                 g_object_unref(pixbuf);
 179         } else {
 180                 void *data = procmime_get_part_as_string(mimeinfo, FALSE);
 181                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD),
 182                                        data, mimeinfo->length);
 183                 g_free(data);
 184         }
 185 }
 186
 187 static void mimeview_send_to_cb(GtkAction *action, gpointer data)
 188 {
 189         MimeView *mimeview = (MimeView *)data;
 190         mimeview_send_to(mimeview, mimeview_get_part_to_use(mimeview));
 191 }
 192
 193 static void mimeview_display_as_text_cb(GtkAction *action, gpointer data)
 194 {
 195         mimeview_display_as_text((MimeView *)data);
 196 }
 197
 198 static void mimeview_save_as_cb(GtkAction *action, gpointer data)
 199 {
 200         mimeview_save_as((MimeView *)data);
 201 }
 202
 203 static void mimeview_save_all_cb(GtkAction *action, gpointer data)
 204 {
 205         mimeview_save_all((MimeView *)data);
 206 }
 207
 208 static void mimeview_select_next_part_cb(GtkAction *action, gpointer data)
 209 {
 210         mimeview_select_next_part((MimeView *)data);
 211 }
 212
 213 static void mimeview_select_prev_part_cb(GtkAction *action, gpointer data)
 214 {
 215         mimeview_select_prev_part((MimeView *)data);
 216 }
 217
 218 static GtkActionEntry mimeview_menu_actions[] = {
 219         { "MimeView", NULL, "MimeView", NULL, NULL, NULL },
 220         { "MimeView/Open", NULL, N_("_Open"), NULL, "Open MIME part", G_CALLBACK(mimeview_launch_cb) },
 221 #if (!defined G_OS_WIN32)
 222         { "MimeView/OpenWith", NULL, N_("Open _with..."), NULL, "Open MIME part with...", G_CALLBACK(mimeview_open_with_cb) },
 223 #endif
 224         { "MimeView/Copy", NULL, N_("Copy"), NULL, "Copy", G_CALLBACK(mimeview_copy_cb) },
 225         { "MimeView/SendTo", NULL, N_("Send to..."), NULL, "Send to", G_CALLBACK(mimeview_send_to_cb) },
 226         { "MimeView/DisplayAsText", NULL, N_("_Display as text"), NULL, "Display as text", G_CALLBACK(mimeview_display_as_text_cb) },
 227         { "MimeView/SaveAs", NULL, N_("_Save as..."), NULL, "Save as", G_CALLBACK(mimeview_save_as_cb) },
 228         { "MimeView/SaveAll", NULL, N_("Save _all..."), NULL, "Save all parts", G_CALLBACK(mimeview_save_all_cb) },
 229         { "MimeView/NextPart", NULL, N_("Next part"), NULL, "Next part", G_CALLBACK(mimeview_select_next_part_cb) },
 230         { "MimeView/PrevPart", NULL, N_("Previous part"), NULL, "Previous part", G_CALLBACK(mimeview_select_prev_part_cb) }
 231 };
 232
 233 static GtkTargetEntry mimeview_mime_types[] =
 234 {
 235         {"text/uri-list", 0, 0}
 236 };
 237
 238 GSList *mimeviewer_factories;
 239 GSList *mimeviews;
 240
 241 static GdkCursor *hand_cursor = NULL;
 242
 243 static gboolean mimeview_visi_notify(GtkWidget *widget,
 244                                        GdkEventVisibility *event,
 245                                        MimeView *mimeview)
 246 {
 247         gdk_window_set_cursor(gtk_widget_get_window(widget), hand_cursor);
 248         return FALSE;
 249 }
 250
 251 static gboolean mimeview_leave_notify(GtkWidget *widget,
 252                                       GdkEventCrossing *event,
 253                                       MimeView *mimeview)
 254 {
 255         gdk_window_set_cursor(gtk_widget_get_window(widget), NULL);
 256         return FALSE;
 257 }
 258
 259 static gboolean mimeview_enter_notify(GtkWidget *widget,
 260                                       GdkEventCrossing *event,
 261                                       MimeView *mimeview)
 262 {
 263         gdk_window_set_cursor(gtk_widget_get_window(widget), hand_cursor);
 264         return FALSE;
 265 }
 266
 267 MimeView *mimeview_create(MainWindow *mainwin)
 268 {
 269         MimeView *mimeview;
 270
 271         GtkWidget *paned;
 272         GtkWidget *scrolledwin;
 273         GtkWidget *ctree;
 274         GtkWidget *mime_notebook;
 275         GtkWidget *popupmenu;
 276         GtkWidget *ctree_mainbox;
 277         GtkWidget *vbox;
 278         GtkWidget *mime_toggle;
 279         GtkWidget *icon_mainbox;
 280         GtkWidget *icon_scroll;
 281         GtkWidget *icon_vbox;
 282         GtkWidget *arrow;
 283         GtkWidget *scrollbutton;
 284         GtkWidget *hbox;
 285         NoticeView *siginfoview;
 286         GtkRequisition r;
 287         GtkTreeStore *model;
 288         GtkCellRenderer *renderer;
 289         GtkTreeViewColumn *column;
 290         GtkTreeSelection *selection;
 291
 292         gchar *titles[N_MIMEVIEW_COLS];
 293         gint cols;
 294
 295         if (!hand_cursor)
 296                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 297
 298         debug_print("Creating MIME view...\n");
 299         mimeview = g_new0(MimeView, 1);
 300
 301         titles[COL_MIMETYPE] = _("MIME Type");
 302         titles[COL_SIZE]     = _("Size");
 303         titles[COL_NAME]     = _("Name");
 304
 305         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 306         gtk_widget_show(scrolledwin);
 307         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 308                                        GTK_POLICY_AUTOMATIC,
 309                                        GTK_POLICY_AUTOMATIC);
 310
 311         model = gtk_tree_store_new(N_MIMEVIEW_COLS,
 312                                    G_TYPE_STRING,
 313                                    G_TYPE_STRING,
 314                                    G_TYPE_STRING,
 315                                    G_TYPE_POINTER);
 316
 317         ctree = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model));
 318         g_object_unref(model);
 319         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(ctree), FALSE);
 320         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(ctree),
 321                                         prefs_common.use_stripes_everywhere);
 322         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(ctree),
 323                                         prefs_common.show_col_headers);
 324
 325         renderer = gtk_cell_renderer_text_new();
 326         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 327                                         -1, titles[COL_MIMETYPE],renderer,
 328                                         "text", COL_MIMETYPE, NULL);
 329         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 330
 331         renderer = gtk_cell_renderer_text_new();
 332         gtk_cell_renderer_set_alignment(renderer, 1, 0.5);
 333         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 334                                         -1, titles[COL_SIZE], renderer,
 335                                         "text", COL_SIZE, NULL);
 336         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 337         gtk_tree_view_column_set_alignment(GTK_TREE_VIEW_COLUMN(column), 1);
 338
 339         renderer = gtk_cell_renderer_text_new();
 340         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 341                                         -1, titles[COL_NAME], renderer,
 342                                         "text", COL_NAME, NULL);
 343         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 344         gtk_tree_view_column_set_expand(GTK_TREE_VIEW_COLUMN(column), TRUE);
 345
 346         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(ctree));
 347         gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
 348
 349         gtk_widget_show(ctree);
 350         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 351         gtk_drag_source_set(ctree, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
 352                             mimeview_mime_types, 1, GDK_ACTION_COPY);
 353
 354         g_signal_connect(G_OBJECT(selection), "changed",
 355                          G_CALLBACK(mimeview_selected), mimeview);
 356         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 357                          G_CALLBACK(mimeview_button_pressed), mimeview);
 358         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 359                          G_CALLBACK(mimeview_key_pressed), mimeview);
 360         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 361                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 362
 363         mime_notebook = gtk_notebook_new();
 364         gtk_widget_show(mime_notebook);
 365         gtk_widget_set_can_focus(mime_notebook, FALSE);
 366         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 367         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 368
 369         icon_vbox = gtk_vbox_new(FALSE, 2);
 370         gtk_widget_show(icon_vbox);
 371         icon_scroll = gtk_layout_new(NULL, NULL);
 372         gtk_widget_show(icon_scroll);
 373         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 374         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 375         gtk_widget_show(scrollbutton);
 376
 377         g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
 378                          G_CALLBACK(mimeview_scrolled), mimeview);
 379
 380         mime_toggle = gtk_event_box_new();
 381         gtk_event_box_set_visible_window(GTK_EVENT_BOX(mime_toggle), FALSE);
 382
 383         g_signal_connect(G_OBJECT(mime_toggle), "motion-notify-event",
 384                          G_CALLBACK(mimeview_visi_notify), mimeview);
 385         g_signal_connect(G_OBJECT(mime_toggle), "leave-notify-event",
 386                          G_CALLBACK(mimeview_leave_notify), mimeview);
 387         g_signal_connect(G_OBJECT(mime_toggle), "enter-notify-event",
 388                          G_CALLBACK(mimeview_enter_notify), mimeview);
 389
 390         gtk_container_set_border_width(GTK_CONTAINER(mime_toggle), 2);
 391         gtk_widget_show(mime_toggle);
 392         mimeview->ctree_mode = FALSE;
 393         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 394         gtk_widget_show(arrow);
 395         gtk_widget_size_request(arrow, &r);
 396         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 397         g_signal_connect(G_OBJECT(mime_toggle), "button_release_event",
 398                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 399
 400         icon_mainbox = gtk_vbox_new(FALSE, 0);
 401         gtk_widget_show(icon_mainbox);
 402         gtk_widget_set_size_request(icon_mainbox, 32, -1);
 403         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 404         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 405         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 406         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 407                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 408
 409         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 410         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 411         g_signal_connect(G_OBJECT(ctree_mainbox), "size_allocate",
 412                          G_CALLBACK(ctree_size_allocate_cb), mimeview);
 413
 414         mimeview->ui_manager = gtk_ui_manager_new();
 415         mimeview->action_group = cm_menu_create_action_group_full(mimeview->ui_manager,
 416                         "MimeView", mimeview_menu_actions,
 417                         G_N_ELEMENTS(mimeview_menu_actions), (gpointer)mimeview);
 418
 419         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 420         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 421                         "/Menus/", "MimeView", "MimeView", GTK_UI_MANAGER_MENU);
 422         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 423                         "/Menus/MimeView/", "Open", "MimeView/Open",
 424                         GTK_UI_MANAGER_MENUITEM);
 425 #if (!defined G_OS_WIN32)
 426         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 427                         "/Menus/MimeView/", "OpenWith", "MimeView/OpenWith",
 428                         GTK_UI_MANAGER_MENUITEM);
 429 #endif
 430         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 431                         "/Menus/MimeView/", "Copy", "MimeView/Copy",
 432                         GTK_UI_MANAGER_MENUITEM);
 433         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 434                         "/Menus/MimeView/", "SendTo", "MimeView/SendTo",
 435                         GTK_UI_MANAGER_MENUITEM);
 436         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 437                         "/Menus/MimeView/", "DisplayAsText", "MimeView/DisplayAsText",
 438                         GTK_UI_MANAGER_MENUITEM);
 439         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 440                         "/Menus/MimeView/", "SaveAs", "MimeView/SaveAs",
 441                         GTK_UI_MANAGER_MENUITEM);
 442         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 443                         "/Menus/MimeView/", "SaveAll", "MimeView/SaveAll",
 444                         GTK_UI_MANAGER_MENUITEM);
 445         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 446                         "/Menus/MimeView/", "NextPart", "MimeView/NextPart",
 447                         GTK_UI_MANAGER_MENUITEM);
 448         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 449                         "/Menus/MimeView/", "PrevPart", "MimeView/PrevPart",
 450                         GTK_UI_MANAGER_MENUITEM);
 451
 452         popupmenu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 453                                 gtk_ui_manager_get_widget(mimeview->ui_manager, "/Menus/MimeView")) );
 454
 455
 456         vbox = gtk_vbox_new(FALSE, 0);
 457         gtk_widget_show(vbox);
 458         siginfoview = noticeview_create(mainwin);
 459         noticeview_hide(siginfoview);
 460         noticeview_set_icon_clickable(siginfoview, TRUE);
 461         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 462         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 463
 464         paned = gtk_vpaned_new();
 465         gtk_widget_show(paned);
 466         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 467         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 468
 469         hbox = gtk_hbox_new(FALSE, 0);
 470         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 471         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 472
 473         gtk_widget_show(hbox);
 474         gtk_widget_hide(ctree_mainbox);
 475 #ifdef GENERIC_UMPC
 476         gtk_widget_set_size_request(mime_toggle, -1, r.height + 8);
 477 #endif
 478         mimeview->hbox          = hbox;
 479         mimeview->paned         = paned;
 480         mimeview->scrolledwin   = scrolledwin;
 481         mimeview->ctree         = ctree;
 482         mimeview->mime_notebook = mime_notebook;
 483         mimeview->popupmenu     = popupmenu;
 484         mimeview->type          = -1;
 485         mimeview->ctree_mainbox = ctree_mainbox;
 486         mimeview->icon_scroll   = icon_scroll;
 487         mimeview->icon_vbox     = icon_vbox;
 488         mimeview->icon_mainbox  = icon_mainbox;
 489         mimeview->icon_count    = 0;
 490         mimeview->mainwin       = mainwin;
 491         mimeview->mime_toggle   = mime_toggle;
 492         mimeview->siginfoview   = siginfoview;
 493         mimeview->scrollbutton  = scrollbutton;
 494         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 495
 496         mimeviews = g_slist_prepend(mimeviews, mimeview);
 497
 498         return mimeview;
 499 }
 500
 501 void mimeview_init(MimeView *mimeview)
 502 {
 503         textview_init(mimeview->textview);
 504
 505         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 506                 GTK_WIDGET_PTR(mimeview->textview));
 507 }
 508
 509 static gboolean any_part_is_signed(MimeInfo *mimeinfo)
 510 {
 511         while (mimeinfo) {
 512                 if (privacy_mimeinfo_is_signed(mimeinfo))
 513                         return TRUE;
 514                 mimeinfo = procmime_mimeinfo_next(mimeinfo);
 515         }
 516
 517         return FALSE;
 518 }
 519
 520 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 521                            const gchar *file)
 522 {
 523         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
 524
 525         mimeview_clear(mimeview);
 526
 527         cm_return_if_fail(file != NULL);
 528         cm_return_if_fail(mimeinfo != NULL);
 529
 530         mimeview->mimeinfo = mimeinfo;
 531
 532         mimeview->file = g_strdup(file);
 533
 534         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 535                                         mimeview);
 536
 537         /* check if the mail's signed - it can change the mail structure */
 538
 539         if (any_part_is_signed(mimeinfo))
 540                 debug_print("signed mail\n");
 541
 542         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 543         gtk_tree_view_expand_all(ctree);
 544         icon_list_clear(mimeview);
 545         icon_list_create(mimeview, mimeinfo);
 546
 547         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 548                                           mimeview_selected, mimeview);
 549 }
 550
 551 #ifdef USE_PTHREAD
 552 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
 553 #endif
 554
 555 static void mimeview_free_mimeinfo(MimeView *mimeview)
 556 {
 557         gboolean defer = FALSE;
 558 #ifdef USE_PTHREAD
 559         defer = (mimeview->check_data != NULL);
 560         if (defer)
 561                 mimeview->check_data->free_after_use = TRUE;
 562 #endif
 563         if (mimeview->mimeinfo != NULL && !defer) {
 564                 procmime_mimeinfo_free_all(&mimeview->mimeinfo);
 565                 mimeview->mimeinfo = NULL;
 566         } else if (defer) {
 567 #ifdef USE_PTHREAD
 568                 debug_print("deferring free(mimeinfo) and cancelling check\n");
 569                 mimeview_check_sig_cancel_now(mimeview);
 570 #endif
 571         }
 572 }
 573
 574 void mimeview_destroy(MimeView *mimeview)
 575 {
 576         GSList *cur;
 577
 578         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 579                 MimeViewer *viewer = (MimeViewer *) cur->data;
 580                 viewer->destroy_viewer(viewer);
 581         }
 582         g_slist_free(mimeview->viewers);
 583         gtk_target_list_unref(mimeview->target_list);
 584
 585 #ifdef USE_PTHREAD
 586         if (mimeview->check_data) {
 587                 mimeview->check_data->destroy_mimeview = TRUE;
 588                 debug_print("deferring destroy\n");
 589         } else
 590 #endif
 591         {
 592                 mimeview_free_mimeinfo(mimeview);
 593                 gtk_tree_path_free(mimeview->opened);
 594                 g_free(mimeview->file);
 595                 g_free(mimeview);
 596                 mimeviews = g_slist_remove(mimeviews, mimeview);
 597         }
 598
 599 }
 600
 601 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 602 {
 603         return gtkut_tree_view_get_selected_pointer(
 604                         GTK_TREE_VIEW(mimeview->ctree), COL_DATA,
 605                         NULL, NULL, NULL);
 606 }
 607
 608 MimeInfo *mimeview_get_node_part(MimeView *mimeview, GtkTreePath *path)
 609 {
 610         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 611         GtkTreeIter iter;
 612         MimeInfo *partinfo;
 613
 614         gtk_tree_model_get_iter(model, &iter, path);
 615         gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 616         return partinfo;
 617 }
 618
 619 gboolean mimeview_tree_is_empty(MimeView *mimeview)
 620 {
 621         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 622         GtkTreeIter iter;
 623         return !gtk_tree_model_get_iter_first(model, &iter);
 624 }
 625
 626 static gboolean mimeview_tree_next(GtkTreeModel *model, GtkTreePath *path)
 627 {
 628         GtkTreeIter iter, parent;
 629         gboolean has_parent;
 630
 631         gtk_tree_model_get_iter(model, &iter, path);
 632
 633         if (gtk_tree_model_iter_has_child(model, &iter)) {
 634                 gtk_tree_path_down(path);
 635                 return TRUE;
 636         }
 637
 638         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 639
 640         if (!gtk_tree_model_iter_next(model, &iter)) {
 641                 while (has_parent) {
 642                         GtkTreeIter saved_parent = parent;
 643                         gtk_tree_path_up(path);
 644                         if (gtk_tree_model_iter_next(model, &parent)) {
 645                                 gtk_tree_path_next(path);
 646                                 return TRUE;
 647                         } else {
 648                                 has_parent = gtk_tree_model_iter_parent(model, &parent, &saved_parent);
 649                         }
 650                 }
 651
 652         } else {
 653                 gtk_tree_path_next(path);
 654                 return TRUE;
 655         }
 656
 657         return FALSE;
 658 }
 659
 660 static gboolean mimeview_tree_prev(MimeView *mimeview, GtkTreePath *path)
 661 {
 662         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 663         GtkTreeIter iter, child, parent;
 664         gboolean has_parent;
 665
 666         gtk_tree_model_get_iter(model, &iter, path);
 667         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 668
 669         if (gtk_tree_path_prev(path)) {
 670                 gtk_tree_model_get_iter(model, &iter, path);
 671
 672                 if (gtk_tree_model_iter_nth_child(model, &child, &iter, 0)) {
 673                         gtk_tree_path_down(path);
 674
 675                         while (gtk_tree_model_iter_next(model, &child))
 676                                 gtk_tree_path_next(path);
 677                 }
 678
 679                 return TRUE;
 680         }
 681
 682         if (has_parent) {
 683                 gtk_tree_path_up(path);
 684                 return TRUE;
 685         }
 686
 687         return FALSE;
 688 }
 689
 690 gint mimeview_get_selected_part_num(MimeView *mimeview)
 691 {
 692         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 693         GtkTreeIter iter;
 694         GtkTreePath *path;
 695         gint i = 0;
 696
 697         if (!gtk_tree_model_get_iter_first(model, &iter))
 698                 return -1;
 699         path = gtk_tree_model_get_path(model, &iter);
 700
 701         do {
 702                 if (!gtk_tree_path_compare(mimeview->opened, path)) {
 703                         gtk_tree_path_free(path);
 704                         return i;
 705                 }
 706
 707                 i++;
 708         } while (mimeview_tree_next(model, path));
 709
 710         gtk_tree_path_free(path);
 711
 712         return -1;
 713 }
 714
 715 void mimeview_select_part_num(MimeView *mimeview, gint i)
 716 {
 717         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 718         GtkTreeIter iter;
 719         GtkTreePath *path;
 720         GtkTreeSelection *selection;
 721         gint x = 0;
 722
 723         if (i < 0)
 724                 return;
 725
 726         if (!gtk_tree_model_get_iter_first(model, &iter))
 727                 return;
 728         path = gtk_tree_model_get_path(model, &iter);
 729
 730         while (x != i) {
 731                 if (!mimeview_tree_next(model, path)) {
 732                         gtk_tree_path_free(path);
 733                         return;
 734                 }
 735                 x++;
 736         }
 737
 738         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 739         gtk_tree_selection_select_path(selection, path);
 740         gtk_tree_path_free(path);
 741 }
 742
 743 static void mimeview_set_multipart_tree(MimeView *mimeview,
 744                                         MimeInfo *mimeinfo,
 745                                         GtkTreeIter *parent)
 746 {
 747         GtkTreeStore *model = GTK_TREE_STORE(gtk_tree_view_get_model(
 748                                         GTK_TREE_VIEW(mimeview->ctree)));
 749         GtkTreeIter iter;
 750         gchar *content_type, *length, *name;
 751
 752         cm_return_if_fail(mimeinfo != NULL);
 753
 754         while (mimeinfo != NULL) {
 755                 if (mimeinfo->type != MIMETYPE_UNKNOWN && mimeinfo->subtype)
 756                         content_type = g_strdup_printf("%s/%s",
 757                                         procmime_get_media_type_str(mimeinfo->type),
 758                                         mimeinfo->subtype);
 759                 else
 760                         content_type = g_strdup("UNKNOWN");
 761
 762                 length = g_strdup(to_human_readable((goffset) mimeinfo->length));
 763
 764                 if (prefs_common.attach_desc)
 765                         name = g_strdup(get_part_description(mimeinfo));
 766                 else
 767                         name = g_strdup(get_part_name(mimeinfo));
 768
 769                 gtk_tree_store_append(model, &iter, parent);
 770                 gtk_tree_store_set(model, &iter,
 771                                 COL_MIMETYPE, content_type,
 772                                 COL_SIZE, length,
 773                                 COL_NAME, name,
 774                                 COL_DATA, mimeinfo, -1);
 775                 g_free(content_type);
 776                 g_free(length);
 777                 g_free(name);
 778
 779                 if (mimeinfo->node->children)
 780                         mimeview_set_multipart_tree(mimeview,
 781                                 (MimeInfo *) mimeinfo->node->children->data, &iter);
 782                 mimeinfo = mimeinfo->node->next != NULL ?
 783                                 (MimeInfo *) mimeinfo->node->next->data : NULL;
 784         }
 785 }
 786
 787 static const gchar *get_real_part_name(MimeInfo *partinfo)
 788 {
 789         const gchar *name = NULL;
 790
 791         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 792         if (name == NULL)
 793                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 794
 795         return name;
 796 }
 797
 798 static const gchar *get_part_name(MimeInfo *partinfo)
 799 {
 800         const gchar *name;
 801
 802         name = get_real_part_name(partinfo);
 803         if (name == NULL)
 804                 name = "";
 805
 806         return name;
 807 }
 808
 809 static const gchar *get_part_description(MimeInfo *partinfo)
 810 {
 811         if (partinfo->description)
 812                 return partinfo->description;
 813         else
 814                 return get_part_name(partinfo);
 815 }
 816
 817 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 818 {
 819         FILE *fp;
 820         const gchar *fname;
 821
 822         if (!partinfo) return;
 823
 824         fname = mimeview->file;
 825         if (!fname) return;
 826
 827         if ((fp = claws_fopen(fname, "rb")) == NULL) {
 828                 FILE_OP_ERROR(fname, "claws_fopen");
 829                 return;
 830         }
 831
 832         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 833                 FILE_OP_ERROR(mimeview->file, "fseek");
 834                 claws_fclose(fp);
 835                 return;
 836         }
 837
 838         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 839         textview_show_part(mimeview->textview, partinfo, fp);
 840
 841         claws_fclose(fp);
 842 }
 843
 844 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 845 {
 846         GSList *cur;
 847         MimeViewerFactory *factory = NULL;
 848         MimeViewer *viewer = NULL;
 849         gchar *real_contenttype = NULL, *tmp;
 850
 851         real_contenttype = g_utf8_strdown((gchar *)content_type, -1);
 852
 853         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 854                 MimeViewerFactory *curfactory = cur->data;
 855                 gint i = 0;
 856
 857                 while (curfactory->content_types[i] != NULL) {
 858                         tmp = g_utf8_strdown(curfactory->content_types[i], -1);
 859                         if (g_pattern_match_simple(tmp, real_contenttype)) {
 860                                 debug_print("%s\n", curfactory->content_types[i]);
 861                                 factory = curfactory;
 862                                 g_free(tmp);
 863                                 break;
 864                         }
 865                         g_free(tmp);
 866                         i++;
 867                 }
 868                 if (factory != NULL)
 869                         break;
 870         }
 871         g_free(real_contenttype);
 872         if (factory == NULL)
 873                 return NULL;
 874
 875         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 876                 MimeViewer *curviewer = cur->data;
 877
 878                 if (curviewer->factory == factory)
 879                         return curviewer;
 880         }
 881         viewer = factory->create_viewer();
 882         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 883                 GTK_WIDGET(viewer->get_widget(viewer)));
 884
 885         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 886
 887         return viewer;
 888 }
 889
 890 gboolean mimeview_has_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 891 {
 892         return (get_viewer_for_content_type(mimeview, content_type) != NULL);
 893 }
 894
 895 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 896 {
 897         gchar *content_type = NULL;
 898         MimeViewer *viewer = NULL;
 899
 900         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 901             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 902                 const gchar *filename;
 903
 904                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 905                 if (filename == NULL)
 906                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 907                 if (filename != NULL)
 908                         content_type = procmime_get_mime_type(filename);
 909         } else {
 910                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 911         }
 912
 913         if (content_type != NULL) {
 914                 viewer = get_viewer_for_content_type(mimeview, content_type);
 915                 g_free(content_type);
 916         }
 917
 918         return viewer;
 919 }
 920
 921 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 922 {
 923         MimeViewer *viewer;
 924
 925         if (mimeview->messageview->partial_display_shown) {
 926                 noticeview_hide(mimeview->messageview->noticeview);
 927                 mimeview->messageview->partial_display_shown = FALSE;
 928         }
 929
 930         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 931         if (viewer == NULL) {
 932                 if (mimeview->mimeviewer != NULL)
 933                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 934                 mimeview->mimeviewer = NULL;
 935                 return FALSE;
 936         }
 937
 938         if (mimeview->mimeviewer != NULL)
 939                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 940
 941         if (mimeview->mimeviewer != viewer)
 942                 mimeview->mimeviewer = viewer;
 943
 944         mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 945         viewer->mimeview = mimeview;
 946         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 947
 948         return TRUE;
 949 }
 950
 951 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 952 {
 953         TextView  *textview  = mimeview->textview;
 954         GtkWidget *focused = NULL;
 955
 956         if (mainwindow_get_mainwindow())
 957                 focused = gtkut_get_focused_child(
 958                                 GTK_CONTAINER(mainwindow_get_mainwindow()->window));
 959
 960         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 961             (mimeview->type == type)) return;
 962
 963         switch (type) {
 964         case MIMEVIEW_TEXT:
 965                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 966                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 967                         GTK_WIDGET_PTR(textview)));
 968                 break;
 969         case MIMEVIEW_VIEWER:
 970                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 971                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 972                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 973                 break;
 974         default:
 975                 return;
 976         }
 977         if (focused)
 978                 gtk_widget_grab_focus(focused);
 979         mimeview->type = type;
 980 }
 981
 982 void mimeview_clear(MimeView *mimeview)
 983 {
 984         GtkTreeModel *model;
 985
 986         if (!mimeview)
 987                 return;
 988
 989         if (g_slist_find(mimeviews, mimeview) == NULL)
 990                 return;
 991
 992         noticeview_hide(mimeview->siginfoview);
 993
 994         model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 995         gtk_tree_store_clear(GTK_TREE_STORE(model));
 996
 997         textview_clear(mimeview->textview);
 998         if (mimeview->mimeviewer != NULL)
 999                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
1000
1001         mimeview_free_mimeinfo(mimeview);
1002
1003         mimeview->mimeinfo = NULL;
1004
1005         gtk_tree_path_free(mimeview->opened);
1006         mimeview->opened = NULL;
1007
1008         g_free(mimeview->file);
1009         mimeview->file = NULL;
1010
1011         icon_list_clear(mimeview);
1012         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1013 }
1014
1015 gchar * get_message_check_signature_shortcut(MessageView *messageview) {
1016         GtkUIManager *ui_manager;
1017
1018         if (messageview->window != NULL)
1019                         ui_manager = messageview->ui_manager;
1020                 else
1021                         ui_manager = messageview->mainwin->ui_manager;
1022
1023         return cm_menu_item_get_shortcut(ui_manager, "Menu/Message/CheckSignature");
1024 }
1025
1026 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
1027 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
1028
1029 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
1030                                         gboolean special, SignatureStatus code)
1031 {
1032         gchar *text = NULL, *button_text = NULL;
1033         void  *func = NULL;
1034         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1035         SignatureStatus mycode = SIGNATURE_UNCHECKED;
1036
1037         cm_return_if_fail(mimeview != NULL);
1038         cm_return_if_fail(mimeinfo != NULL);
1039
1040         if (special)
1041                 mycode = code;
1042         else
1043                 mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
1044
1045         switch (mycode) {
1046         case SIGNATURE_UNCHECKED:
1047                 button_text = _("Check signature");
1048                 func = check_signature_cb;
1049                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1050                 break;
1051         case SIGNATURE_OK:
1052                 button_text = _("View full information");
1053                 func = display_full_info_cb;
1054                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
1055                 break;
1056         case SIGNATURE_WARN:
1057                 button_text = _("View full information");
1058                 func = display_full_info_cb;
1059                 icon = STOCK_PIXMAP_PRIVACY_WARN;
1060                 break;
1061         case SIGNATURE_KEY_EXPIRED:
1062                 button_text = _("View full information");
1063                 func = display_full_info_cb;
1064                 icon = STOCK_PIXMAP_PRIVACY_EXPIRED;
1065                 break;
1066         case SIGNATURE_INVALID:
1067                 button_text = _("View full information");
1068                 func = display_full_info_cb;
1069                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
1070                 break;
1071         case SIGNATURE_CHECK_FAILED:
1072         case SIGNATURE_CHECK_TIMEOUT:
1073                 button_text = _("Check again");
1074                 func = check_signature_cb;
1075                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
1076                 break;
1077         default:
1078                 break;
1079         }
1080         if (mycode == SIGNATURE_UNCHECKED) {
1081                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
1082                 gchar *shortcut = get_message_check_signature_shortcut(mimeview->messageview);
1083
1084                 if (*shortcut == '\0')
1085                         text = g_strdup_printf(_("%s Click the icon to check it."), tmp);
1086                 else
1087                         text = g_strdup_printf(_("%s Click the icon or hit '%s' to check it."),
1088                                 tmp, shortcut);
1089                 g_free(tmp);
1090                 g_free(shortcut);
1091         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
1092                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
1093         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
1094                 gchar *shortcut = get_message_check_signature_shortcut(mimeview->messageview);
1095
1096                 if (*shortcut == '\0')
1097                         text = g_strdup(_("Timeout checking the signature. Click the icon to try again."));
1098                 else
1099                         text = g_strdup_printf(_("Timeout checking the signature. Click the icon or hit '%s' to try again."), shortcut);
1100                 g_free(shortcut);
1101         }
1102
1103         noticeview_set_text(mimeview->siginfoview, text);
1104         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
1105
1106         g_free(text);
1107         noticeview_set_button_text(mimeview->siginfoview, NULL);
1108         noticeview_set_button_press_callback(
1109                 mimeview->siginfoview,
1110                 G_CALLBACK(func),
1111                 (gpointer) mimeview);
1112         noticeview_set_icon(mimeview->siginfoview, icon);
1113         noticeview_set_tooltip(mimeview->siginfoview, button_text);
1114
1115         icon_list_clear(mimeview);
1116         icon_list_create(mimeview, mimeview->mimeinfo);
1117 }
1118
1119 #ifdef USE_PTHREAD
1120
1121 /* reset all thread stuff, and do the cleanups we've been left to do */
1122 static void mimeview_check_data_reset(MimeView *mimeview)
1123 {
1124         gboolean must_free;
1125         gboolean must_destroy;
1126
1127         if (!mimeview->check_data)
1128                 return;
1129
1130         must_free = mimeview->check_data->free_after_use;
1131         must_destroy = mimeview->check_data->destroy_mimeview;
1132
1133         if (mimeview->check_data->cancel_th_init) {
1134                 debug_print("killing canceller thread\n");
1135                 mimeview->check_data->cancel_th_init = FALSE;
1136                 pthread_cancel(mimeview->check_data->cancel_th);
1137         }
1138
1139         if (must_free) {
1140                 debug_print("freeing deferred mimeinfo\n");
1141                 procmime_mimeinfo_free_all(&mimeview->check_data->siginfo);
1142         }
1143
1144         g_free(mimeview->check_data);
1145         mimeview->check_data = NULL;
1146
1147         if (must_destroy) {
1148                 debug_print("freeing deferred mimeview\n");
1149                 mimeview_free_mimeinfo(mimeview);
1150                 gtk_tree_path_free(mimeview->opened);
1151                 g_free(mimeview->file);
1152                 g_free(mimeview);
1153                 mimeviews = g_slist_remove(mimeviews, mimeview);
1154         }
1155 }
1156
1157 /* GUI update once the checker thread is done or killed */
1158 static gboolean mimeview_check_sig_thread_cb(void *data)
1159 {
1160         MimeView *mimeview = (MimeView *) data;
1161         MimeInfo *mimeinfo = mimeview->siginfo;
1162
1163         debug_print("mimeview_check_sig_thread_cb\n");
1164
1165         if (mimeinfo == NULL) {
1166                 /* message changed !? */
1167                 g_warning("no more siginfo!");
1168                 goto end;
1169         }
1170
1171         if (!mimeview->check_data) {
1172                 g_warning("nothing to check");
1173                 return FALSE;
1174         }
1175
1176         if (mimeview->check_data->siginfo != mimeinfo) {
1177                 /* message changed !? */
1178                 g_warning("different siginfo!");
1179                 goto end;
1180         }
1181
1182         if (mimeview->check_data->destroy_mimeview ||
1183             mimeview->check_data->free_after_use) {
1184                 debug_print("not bothering, we're changing message\n");
1185                 goto end;
1186         }
1187
1188         /* update status */
1189         if (mimeview->check_data->timeout)
1190                 update_signature_noticeview(mimeview, mimeview->siginfo,
1191                         TRUE, SIGNATURE_CHECK_TIMEOUT);
1192         else
1193                 update_signature_noticeview(mimeview, mimeview->siginfo,
1194                         FALSE, 0);
1195
1196 end:
1197         mimeview_check_data_reset(mimeview);
1198         return FALSE;
1199 }
1200
1201 /* sig checker thread */
1202 static void *mimeview_check_sig_worker_thread(void *data)
1203 {
1204         MimeView *mimeview = (MimeView *)data;
1205         MimeInfo *mimeinfo = mimeview->siginfo;
1206
1207         debug_print("checking...\n");
1208
1209         if (!mimeview->check_data)
1210                 return NULL;
1211
1212         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo) {
1213                 privacy_mimeinfo_check_signature(mimeinfo);
1214                 if (mimeview->check_data && mimeview->check_data->cancel_th_init) {
1215                         mimeview->check_data->cancel_th_init = FALSE;
1216                         pthread_cancel(mimeview->check_data->cancel_th);
1217                 }
1218         } else {
1219                 /* that's strange! we changed message without
1220                  * getting killed. */
1221                 g_warning("different siginfo!");
1222                 mimeview_check_data_reset(mimeview);
1223                 return NULL;
1224         }
1225
1226         /* use g_timeout so that GUI updates is done from the
1227          * correct thread */
1228         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1229
1230         return NULL;
1231 }
1232
1233 /* killer thread - acts when the checker didn't work fast
1234  * enough. */
1235 static void *mimeview_check_sig_cancel_thread(void *data)
1236 {
1237         MimeView *mimeview = (MimeView *)data;
1238
1239         if (!mimeview->check_data)
1240                 return NULL; /* nothing to kill ! */
1241
1242         /* wait for a few seconds... */
1243         debug_print("waiting a while\n");
1244
1245         g_usleep(5 * 1000 * 1000);
1246
1247         if (!mimeview->check_data)
1248                 return NULL; /* nothing to kill, it's done in time :) */
1249
1250         /* too late, go away checker thread */
1251         debug_print("killing checker thread\n");
1252         if (mimeview->check_data->th_init) {
1253                 mimeview->check_data->th_init = FALSE;
1254                 pthread_cancel(mimeview->check_data->th);
1255         }
1256
1257         /* tell upstream it was a timeout */
1258         mimeview->check_data->timeout = TRUE;
1259         /* use g_timeout so that GUI updates is done from the
1260          * correct thread */
1261         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1262
1263         return NULL;
1264 }
1265
1266 /* get rid of the checker thread right now - used when changing the
1267  * displayed message for example. */
1268 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
1269 {
1270         if (!mimeview->check_data)
1271                 return;
1272         debug_print("killing checker thread NOW\n");
1273         if (mimeview->check_data->th_init) {
1274                 mimeview->check_data->th_init = FALSE;
1275                 pthread_cancel(mimeview->check_data->th);
1276         }
1277
1278         /* tell upstream it was a timeout */
1279         mimeview->check_data->timeout = TRUE;
1280         mimeview_check_sig_thread_cb(mimeview);
1281         return;
1282 }
1283
1284 /* creates a thread to check the signature, and a second one
1285  * to kill the first one after a timeout */
1286 static void mimeview_check_sig_in_thread(MimeView *mimeview)
1287 {
1288         pthread_t th, th2;
1289         pthread_attr_t detach, detach2;
1290
1291         if (mimeview->check_data) {
1292                 g_warning("already checking it");
1293                 return;
1294         }
1295
1296         mimeview->check_data = g_new0(SigCheckData, 1);
1297         mimeview->check_data->siginfo = mimeview->siginfo;
1298         debug_print("creating thread\n");
1299
1300         /* init thread attributes and create the checker thread */
1301         if (pthread_attr_init(&detach) != 0 ||
1302             pthread_attr_setdetachstate(&detach, PTHREAD_CREATE_DETACHED) != 0 ||
1303             pthread_attr_init(&detach2) != 0 ||
1304             pthread_attr_setdetachstate(&detach2, PTHREAD_CREATE_DETACHED) != 0 ||
1305             pthread_create(&th, &detach,
1306                         mimeview_check_sig_worker_thread,
1307                         mimeview) != 0) {
1308                 /* arh. We'll do it synchronously. */
1309                 g_warning("can't create checked thread");
1310                 g_free(mimeview->check_data);
1311                 mimeview->check_data = NULL;
1312                 return;
1313         } else {
1314                 mimeview->check_data->th = th;
1315                 mimeview->check_data->th_init = TRUE;
1316         }
1317
1318         /* create the killer thread */
1319         if (pthread_create(&th2, &detach2,
1320                         mimeview_check_sig_cancel_thread,
1321                         mimeview) != 0) {
1322                 g_warning("can't create killer thread");
1323                 g_free(mimeview->check_data);
1324                 mimeview->check_data = NULL;
1325                 return;
1326         } else {
1327                 mimeview->check_data->cancel_th = th2;
1328                 mimeview->check_data->cancel_th_init = TRUE;
1329         }
1330 }
1331 #endif
1332
1333 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
1334 {
1335         MimeView *mimeview = (MimeView *) user_data;
1336         MimeInfo *mimeinfo = mimeview->siginfo;
1337
1338         if (mimeinfo == NULL)
1339                 return;
1340 #ifdef USE_PTHREAD
1341         if (mimeview->check_data)
1342                 return;
1343 #endif
1344         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
1345         GTK_EVENTS_FLUSH();
1346 #ifdef USE_PTHREAD
1347         /* let's do it non-blocking */
1348         mimeview_check_sig_in_thread(mimeview);
1349         if (!mimeview->check_data) /* let's check syncronously */
1350 #endif
1351         {
1352                 debug_print("checking without thread\n");
1353                 privacy_mimeinfo_check_signature(mimeinfo);
1354                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
1355         }
1356 }
1357
1358 void mimeview_check_signature(MimeView *mimeview)
1359 {
1360         check_signature_cb(NULL, mimeview);
1361 }
1362
1363 static void redisplay_email(GtkWidget *widget, gpointer user_data)
1364 {
1365         MimeView *mimeview = (MimeView *) user_data;
1366         gtk_tree_path_free(mimeview->opened);
1367         mimeview->opened = NULL;
1368         mimeview_selected(gtk_tree_view_get_selection(
1369                         GTK_TREE_VIEW(mimeview->ctree)), mimeview);
1370 }
1371
1372 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
1373 {
1374         MimeView *mimeview = (MimeView *) user_data;
1375         gchar *siginfo;
1376
1377         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
1378         textview_set_text(mimeview->textview, siginfo);
1379         g_free(siginfo);
1380         noticeview_set_button_text(mimeview->siginfoview, NULL);
1381         noticeview_set_button_press_callback(
1382                 mimeview->siginfoview,
1383                 G_CALLBACK(redisplay_email),
1384                 (gpointer) mimeview);
1385         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1386 }
1387
1388 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1389 {
1390         MimeInfo *siginfo;
1391         MimeInfo *first_text;
1392
1393         cm_return_if_fail(mimeview != NULL);
1394         cm_return_if_fail(selected != NULL);
1395
1396         if (selected->type == MIMETYPE_MESSAGE
1397         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1398                 /* if the first text part is signed, check that */
1399                 first_text = selected;
1400                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1401                         first_text = procmime_mimeinfo_next(first_text);
1402                 }
1403                 if (first_text) {
1404                         update_signature_info(mimeview, first_text);
1405                         return;
1406                 }
1407         }
1408
1409         siginfo = selected;
1410         while (siginfo != NULL) {
1411                 if (privacy_mimeinfo_is_signed(siginfo))
1412                         break;
1413                 siginfo = procmime_mimeinfo_parent(siginfo);
1414         }
1415         mimeview->siginfo = siginfo;
1416
1417         /* This shortcut boolean is there to correctly set the menu's
1418          * CheckSignature item sensitivity without killing performance
1419          * each time the menu sensitiveness is updated (a lot).
1420          */
1421         mimeview->signed_part = (siginfo != NULL);
1422
1423         if (siginfo == NULL) {
1424                 noticeview_hide(mimeview->siginfoview);
1425                 return;
1426         }
1427
1428         update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1429         noticeview_show(mimeview->siginfoview);
1430 }
1431
1432 static void mimeview_selected(GtkTreeSelection *selection, MimeView *mimeview)
1433 {
1434         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1435         GtkTreeModel *model;
1436         GtkTreeIter iter;
1437         GtkTreePath *path;
1438         MimeInfo *partinfo;
1439         MainWindow *mainwin;
1440
1441         selection = gtk_tree_view_get_selection(ctree);
1442         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1443                 return;
1444
1445         path = gtk_tree_model_get_path(model, &iter);
1446
1447         if (mimeview->opened && !gtk_tree_path_compare(mimeview->opened, path)) {
1448                 gtk_tree_path_free(path);
1449                 return;
1450         }
1451
1452         gtk_tree_path_free(mimeview->opened);
1453         mimeview->opened = path;
1454         mimeview->spec_part = NULL;
1455         gtk_tree_view_scroll_to_cell(ctree, path, NULL, TRUE, 0.5, 0);
1456
1457         partinfo = mimeview_get_node_part(mimeview, path);
1458         if (!partinfo) return;
1459
1460         /* ungrab the mouse event */
1461         if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
1462                 gtk_grab_remove(GTK_WIDGET(ctree));
1463                 if (gdk_pointer_is_grabbed())
1464                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1465         }
1466
1467         mimeview->textview->default_text = FALSE;
1468
1469         update_signature_info(mimeview, partinfo);
1470
1471         if (!mimeview_show_part(mimeview, partinfo)) {
1472                 switch (partinfo->type) {
1473                 case MIMETYPE_TEXT:
1474                 case MIMETYPE_MESSAGE:
1475                 case MIMETYPE_MULTIPART:
1476                         mimeview_show_message_part(mimeview, partinfo);
1477
1478                         break;
1479                 default:
1480                         mimeview->textview->default_text = TRUE;
1481                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1482                         textview_clear(mimeview->textview);
1483                         textview_show_mime_part(mimeview->textview, partinfo);
1484                         break;
1485                 }
1486         }
1487         mainwin = mainwindow_get_mainwindow();
1488         if (mainwin)
1489                 main_window_set_menu_sensitive(mainwin);
1490
1491         if (mimeview->siginfo && privacy_auto_check_signatures(mimeview->siginfo)
1492         &&  privacy_mimeinfo_get_sig_status(mimeview->siginfo) == SIGNATURE_UNCHECKED) {
1493                 mimeview_check_signature(mimeview);
1494         }
1495 }
1496
1497 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1498                                     MimeView *mimeview)
1499 {
1500         GtkTreeSelection *selection;
1501         GtkTreeIter iter;
1502
1503         if (!event) return FALSE;
1504
1505         if (event->button == 2 || event->button == 3) {
1506                 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
1507                 if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
1508                         return FALSE;
1509
1510                 gtk_tree_selection_select_iter(selection, &iter);
1511         }
1512         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1513
1514         return FALSE;
1515 }
1516
1517 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1518                                     MimeView *mimeview)
1519 {
1520         GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1521         if (event->direction == GDK_SCROLL_UP) {
1522                 scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1523         } else {
1524                 scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1525         }
1526         gtk_vscrollbutton_scroll(scrollbutton);
1527         return TRUE;
1528 }
1529
1530 /* from gdkevents.c */
1531 #define DOUBLE_CLICK_TIME 250
1532
1533 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1534                                     MimeInfo *partinfo)
1535 {
1536         static MimeInfo *lastinfo;
1537         static guint32 lasttime;
1538
1539         if (event->button == 2 ||
1540             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
1541                 /* call external program for image, audio or html */
1542                 mimeview_launch(mimeview, partinfo);
1543                 return TRUE;
1544         } else if (event->button == 3) {
1545                 MainWindow *mainwin = mainwindow_get_mainwindow();
1546
1547                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1548                                  partinfo->type == MIMETYPE_IMAGE ||
1549                                  partinfo->type == MIMETYPE_MULTIPART))
1550                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", FALSE);
1551                 else
1552                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", TRUE);
1553
1554                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1555                                  partinfo->type == MIMETYPE_IMAGE ||
1556                                  partinfo->type == MIMETYPE_TEXT))
1557                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Copy", TRUE);
1558                 else
1559                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Copy", FALSE);
1560 #ifndef G_OS_WIN32
1561                 if (partinfo &&
1562                     partinfo->type == MIMETYPE_APPLICATION &&
1563                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
1564                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", FALSE);
1565                 else
1566 #endif
1567                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", TRUE);
1568                 if (mainwin)
1569                         main_window_set_menu_sensitive(mainwin);
1570                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1571                                   "pop_partinfo", partinfo);
1572
1573                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1574                                NULL, NULL, NULL, NULL,
1575                                event->button, event->time);
1576                 return TRUE;
1577         }
1578
1579         lastinfo = partinfo;
1580         lasttime = event->time;
1581         return FALSE;
1582 }
1583
1584
1585 gboolean mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1586 {
1587         return mimeview_key_pressed(mimeview->ctree, event, mimeview);
1588 }
1589
1590 void mimeview_select_next_part(MimeView *mimeview)
1591 {
1592         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1593         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1594         GtkTreeSelection *selection;
1595         GtkTreeIter iter;
1596         GtkTreePath *path;
1597         MimeInfo *partinfo = NULL;
1598         gboolean has_next;
1599
1600         if (!mimeview->opened) return;
1601
1602         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1603         path = gtk_tree_model_get_path(model, &iter);
1604 skip:
1605         has_next = mimeview_tree_next(model, path);
1606         if (!has_next) {
1607                 has_next = gtk_tree_model_get_iter_first(model, &iter);
1608                 gtk_tree_path_free(path);
1609                 path = gtk_tree_model_get_path(model, &iter);
1610         }
1611
1612         if (has_next) {
1613                 partinfo = mimeview_get_node_part(mimeview, path);
1614                 if (partinfo->type == MIMETYPE_MULTIPART ||
1615                     (!prefs_common.show_inline_attachments && partinfo->id))
1616                         goto skip;
1617                 selection = gtk_tree_view_get_selection(ctree);
1618                 gtk_tree_selection_select_path(selection, path);
1619                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1620         }
1621
1622         gtk_tree_path_free(path);
1623 }
1624
1625 void mimeview_select_prev_part(MimeView *mimeview)
1626 {
1627         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1628         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1629         GtkTreeSelection *selection;
1630         GtkTreeIter iter;
1631         GtkTreePath *path;
1632         MimeInfo *partinfo = NULL;
1633         gboolean has_prev;
1634
1635         if (!mimeview->opened) return;
1636
1637         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1638         path = gtk_tree_model_get_path(model, &iter);
1639 skip:
1640         has_prev = mimeview_tree_prev(mimeview, path);
1641         if (!has_prev) {
1642                 while (mimeview_tree_next(model, path)) {}
1643                 has_prev = TRUE;
1644         }
1645
1646         if (has_prev) {
1647                 partinfo = mimeview_get_node_part(mimeview, path);
1648                 if (partinfo->type == MIMETYPE_MULTIPART ||
1649                     (!prefs_common.show_inline_attachments && partinfo->id))
1650                         goto skip;
1651                 selection = gtk_tree_view_get_selection(ctree);
1652                 gtk_tree_selection_select_path(selection, path);
1653                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1654         }
1655
1656         gtk_tree_path_free(path);
1657 }
1658
1659 #define BREAK_ON_MODIFIER_KEY() \
1660         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1661
1662 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1663                                  MimeView *mimeview)
1664 {
1665         SummaryView *summaryview;
1666
1667         if (!event) return FALSE;
1668         if (!mimeview->opened) return FALSE;
1669
1670         summaryview = mimeview->messageview->mainwin->summaryview;
1671
1672         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1673                 return FALSE;
1674
1675         switch (event->keyval) {
1676         case GDK_KEY_Home:
1677         case GDK_KEY_End:
1678                 textview_scroll_max(mimeview->textview,
1679                                     (event->keyval == GDK_KEY_Home));
1680                 return TRUE;
1681         case GDK_KEY_Page_Down:
1682         case GDK_KEY_space:
1683                 if (mimeview_scroll_page(mimeview,
1684                                          (event->state & GDK_SHIFT_MASK) != 0))
1685                         return TRUE;
1686
1687                 if (!(event->state & GDK_SHIFT_MASK))
1688                         mimeview_select_next_part(mimeview);
1689                 return TRUE;
1690         case GDK_KEY_Page_Up:
1691         case GDK_KEY_BackSpace:
1692                 mimeview_scroll_page(mimeview, TRUE);
1693                 return TRUE;
1694         case GDK_KEY_Return:
1695         case GDK_KEY_KP_Enter:
1696                 mimeview_scroll_one_line(mimeview,
1697                                          (event->state & GDK_MOD1_MASK) != 0);
1698                 return TRUE;
1699         case GDK_KEY_Up:
1700         case GDK_KEY_Down:
1701                 mimeview_scroll_one_line(mimeview, (event->keyval == GDK_KEY_Up));
1702                 return TRUE;
1703         default:
1704                 break;
1705         }
1706
1707         if (mimeview->messageview->new_window) return FALSE;
1708
1709         return summary_pass_key_press_event(summaryview, event);
1710 }
1711
1712 static void mimeview_drag_data_get(GtkWidget        *widget,
1713                                    GdkDragContext   *drag_context,
1714                                    GtkSelectionData *selection_data,
1715                                    guint             info,
1716                                    guint             time,
1717                                    MimeView         *mimeview)
1718 {
1719         gchar *filename = NULL, *uriname, *tmp;
1720         MimeInfo *partinfo;
1721         gint err;
1722         gint count = 0;
1723
1724         if (!mimeview->opened) return;
1725         if (!mimeview->file) return;
1726
1727         partinfo = mimeview_get_selected_part(mimeview);
1728         if (!partinfo) return;
1729
1730         if (strlen(get_part_name(partinfo)) > 0) {
1731                 filename = g_path_get_basename(get_part_name(partinfo));
1732                 if (*filename == '\0') return;
1733         } else if (partinfo->type == MIMETYPE_MESSAGE
1734                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1735                 gchar *name = NULL;
1736                 GPtrArray *headers = NULL;
1737                 FILE *fp;
1738
1739                 fp = claws_fopen(partinfo->data.filename, "rb");
1740                 if (fp != NULL && fseek(fp, partinfo->offset, SEEK_SET) == 0) {
1741                         headers = procheader_get_header_array_asis(fp);
1742                         if (headers) {
1743                                 gint i;
1744                                 for (i = 0; i < headers->len; i++) {
1745                                         Header *header = g_ptr_array_index(headers, i);
1746                                         if (procheader_headername_equal(header->name, "Subject")) {
1747                                                 unfold_line(header->body);
1748                                                 name = g_strconcat(header->body, ".txt", NULL);
1749                                                 subst_for_filename(name);
1750                                         }
1751                                 }
1752                                 procheader_header_array_destroy(headers);
1753                         }
1754                 }
1755                 if (fp != NULL)
1756                         claws_fclose(fp);
1757                 if (name)
1758                         filename = g_path_get_basename(name);
1759                 g_free(name);
1760         }
1761         if (filename == NULL)
1762                 filename = g_path_get_basename("Unnamed part");
1763
1764         if (!g_utf8_validate(filename, -1, NULL))
1765                 tmp = conv_codeset_strdup(filename,
1766                                 conv_get_locale_charset_str(),
1767                                 CS_UTF_8);
1768         else
1769                 tmp = g_strdup(filename);
1770
1771         if (tmp == NULL) {
1772                 g_warning("filename not in UTF-8");
1773                 tmp = g_strdup("Unnamed part");
1774         }
1775         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1776                                tmp, NULL);
1777
1778 check_new_file:
1779         if (is_file_exist(filename)) {
1780                 gchar *ext = NULL;
1781                 gchar *prefix = NULL;
1782                 gchar *new_name = NULL;
1783                 if (strrchr(tmp, '.')) {
1784                         prefix = g_strdup(tmp);
1785                         ext = g_strdup(strrchr(tmp, '.'));
1786                         *(strrchr(prefix, '.')) = '\0';
1787                 } else {
1788                         prefix = g_strdup(tmp);
1789                         ext = g_strdup("");
1790                 }
1791                 count++;
1792                 new_name = g_strdup_printf("%s.%d%s", prefix, count, ext);
1793                 g_free(prefix);
1794                 g_free(ext);
1795                 g_free(filename);
1796                 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1797                                new_name, NULL);
1798                 g_free(new_name);
1799                 goto check_new_file;
1800         }
1801
1802         g_free(tmp);
1803
1804         if ((err = procmime_get_part(filename, partinfo)) < 0)
1805                 alertpanel_error
1806                         (_("Couldn't save the part of multipart message: %s"),
1807                                 g_strerror(-err));
1808
1809         tmp = g_filename_to_uri(filename, NULL, NULL);
1810         uriname = g_strconcat(tmp, "\r\n", NULL);
1811         g_free(tmp);
1812
1813         gtk_selection_data_set(selection_data,
1814                    gtk_selection_data_get_target(selection_data), 8,
1815                                (guchar *)uriname, strlen(uriname));
1816
1817         g_free(uriname);
1818         g_free(filename);
1819 }
1820
1821 /**
1822  * Returns a filename (with path) for an attachment
1823  * \param partinfo The attachment to save
1824  * \param basedir The target directory
1825  * \param number Used for dummy filename if attachment is unnamed
1826  */
1827 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1828                                       const gchar *basedir,
1829                                       gint number)
1830 {
1831         gchar *fullname;
1832         gchar *filename;
1833
1834         filename = g_strdup(get_part_name(partinfo));
1835         if (!filename || !*filename) {
1836                 g_free(filename);
1837                 filename = g_strdup_printf("noname.%d", number);
1838         }
1839
1840         if (!g_utf8_validate(filename, -1, NULL)) {
1841                 gchar *tmp = conv_filename_to_utf8(filename);
1842                 g_free(filename);
1843                 filename = tmp;
1844         }
1845
1846         subst_for_filename(filename);
1847
1848         fullname = g_strconcat
1849                 (basedir, G_DIR_SEPARATOR_S, (g_path_is_absolute(filename))
1850                  ? &filename[1] : filename, NULL);
1851
1852         g_free(filename);
1853         filename = conv_filename_from_utf8(fullname);
1854         g_free(fullname);
1855         return filename;
1856 }
1857
1858 /**
1859  * Write a single attachment to file
1860  * \param filename Filename with path
1861  * \param partinfo Attachment to save
1862  */
1863 static gboolean mimeview_write_part(const gchar *filename,
1864                                     MimeInfo *partinfo,
1865                                     gboolean handle_error)
1866 {
1867         gchar *dir;
1868         gint err;
1869
1870         dir= g_path_get_dirname(filename);
1871         if (!is_dir_exist(dir))
1872                 make_dir_hier(dir);
1873         g_free(dir);
1874
1875         if (is_file_exist(filename)) {
1876                 AlertValue aval;
1877                 gchar *res;
1878                 gchar *tmp;
1879
1880                 if (!g_utf8_validate(filename, -1, NULL))
1881                         tmp = conv_filename_to_utf8(filename);
1882                 else
1883                         tmp = g_strdup(filename);
1884
1885                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1886                                       tmp);
1887                 g_free(tmp);
1888                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1889                                   GTK_STOCK_OK, NULL, ALERTFOCUS_FIRST);
1890                 g_free(res);
1891                 if (G_ALERTALTERNATE != aval) return FALSE;
1892         }
1893
1894         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1895                 debug_print("error saving MIME part: %d\n", err);
1896                 if (handle_error)
1897                         alertpanel_error
1898                                 (_("Couldn't save the part of multipart message: %s"),
1899                                  g_strerror(-err));
1900                 return FALSE;
1901         }
1902
1903         return TRUE;
1904 }
1905
1906 static AlertValue mimeview_save_all_error_ask(gint n)
1907 {
1908         gchar *message = g_strdup_printf(
1909                 _("An error has occurred while saving message part #%d. "
1910                 "Do you want to cancel operation or skip error and "
1911                 "continue?"), n);
1912         AlertValue av = alertpanel_full(_("Error saving all message parts"),
1913                 message, GTK_STOCK_CANCEL, _("Skip"), _("Skip all"),
1914                 ALERTFOCUS_FIRST, FALSE, NULL, ALERT_WARNING);
1915         g_free(message);
1916         return av;
1917 }
1918
1919 static void mimeview_save_all_info(gint errors, gint total)
1920 {
1921         if (!errors) {
1922                 gchar *msg = g_strdup_printf(
1923                                 ngettext("%d file saved successfully.",
1924                                         "%d files saved successfully.",
1925                                         total),
1926                                 total);
1927                 alertpanel_notice("%s", msg);
1928                 g_free(msg);
1929         } else {
1930                 gchar *msg1 = g_strdup_printf(
1931                                 ngettext("%d file saved successfully",
1932                                         "%d files saved successfully",
1933                                         total - errors),
1934                                 total - errors);
1935                 gchar *msg2 = g_strdup_printf(
1936                                 ngettext("%s, %d file failed.",
1937                                         "%s, %d files failed.",
1938                                         errors),
1939                                 msg1, errors);
1940                 alertpanel_warning("%s", msg2);
1941                 g_free(msg2);
1942                 g_free(msg1);
1943         }
1944 }
1945
1946 /**
1947  * Menu callback: Save all attached files
1948  * \param mimeview Current display
1949  */
1950 static void mimeview_save_all(MimeView *mimeview)
1951 {
1952         MimeInfo *partinfo;
1953         gchar *dirname;
1954         gchar *startdir = NULL;
1955         gint number = 1, errors = 0;
1956         gboolean skip_errors = FALSE;
1957
1958         if (!mimeview->opened) return;
1959         if (!mimeview->file) return;
1960         if (!mimeview->mimeinfo) return;
1961
1962         partinfo = mimeview->mimeinfo;
1963         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1964                 startdir = g_strconcat(prefs_common.attach_save_dir, G_DIR_SEPARATOR_S, NULL);
1965         else
1966                 startdir = g_strdup(get_home_dir());
1967
1968         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
1969         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1970         if (!dirname) {
1971                 g_free(startdir);
1972                 return;
1973         }
1974
1975         if (!is_dir_exist (dirname)) {
1976                 alertpanel_error(_("'%s' is not a directory."), dirname);
1977                 g_free(startdir);
1978                 g_free(dirname);
1979                 return;
1980         }
1981
1982         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1983                 dirname[strlen(dirname)-1] = '\0';
1984
1985         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1986         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1987                 partinfo = procmime_mimeinfo_next(partinfo);
1988         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1989                 partinfo = procmime_mimeinfo_next(partinfo);
1990                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1991                         partinfo = procmime_mimeinfo_next(partinfo);
1992         }
1993
1994         while (partinfo != NULL) {
1995                 if (partinfo->type != MIMETYPE_MESSAGE &&
1996                     partinfo->type != MIMETYPE_MULTIPART &&
1997                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
1998                      || get_real_part_name(partinfo) != NULL)) {
1999                         gchar *filename = mimeview_get_filename_for_part(
2000                                 partinfo, dirname, number++);
2001
2002                         gboolean ok = mimeview_write_part(filename, partinfo, FALSE);
2003                         g_free(filename);
2004                         if (!ok) {
2005                                 ++errors;
2006                                 if (!skip_errors) {
2007                                         AlertValue av = mimeview_save_all_error_ask(number - 1);
2008                                         skip_errors = (av == G_ALERTOTHER);
2009                                         if (av == G_ALERTDEFAULT) /* cancel */
2010                                                 break;
2011                                 }
2012                         }
2013                 }
2014                 partinfo = procmime_mimeinfo_next(partinfo);
2015         }
2016
2017         g_free(prefs_common.attach_save_dir);
2018         g_free(startdir);
2019         prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
2020                                         -1, NULL, NULL, NULL);
2021         g_free(dirname);
2022
2023         mimeview_save_all_info(errors, number - 1);
2024 }
2025
2026 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
2027 {
2028         MimeInfo *partinfo = NULL;
2029         if (mimeview->spec_part) {
2030                 partinfo = mimeview->spec_part;
2031                 mimeview->spec_part = NULL;
2032         } else {
2033                 partinfo = (MimeInfo *) g_object_get_data
2034                          (G_OBJECT(mimeview->popupmenu),
2035                          "pop_partinfo");
2036                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
2037                                   "pop_partinfo", NULL);
2038                 if (!partinfo) {
2039                         partinfo = mimeview_get_selected_part(mimeview);
2040                 }
2041         }
2042
2043         return partinfo;
2044 }
2045 /**
2046  * Menu callback: Save the selected attachment
2047  * \param mimeview Current display
2048  */
2049 void mimeview_save_as(MimeView *mimeview)
2050 {
2051         gchar *filename;
2052         gchar *filepath = NULL;
2053         gchar *filedir = NULL;
2054         MimeInfo *partinfo;
2055         gchar *partname = NULL;
2056
2057         if (!mimeview->opened) return;
2058         if (!mimeview->file) return;
2059
2060         partinfo = mimeview_get_part_to_use(mimeview);
2061
2062         cm_return_if_fail(partinfo != NULL);
2063
2064         if (get_part_name(partinfo) == NULL) {
2065                 return;
2066         }
2067         partname = g_strdup(get_part_name(partinfo));
2068
2069         if (!g_utf8_validate(partname, -1, NULL)) {
2070                 gchar *tmp = conv_filename_to_utf8(partname);
2071                 if (!tmp) {
2072                         tmp = conv_codeset_strdup(partname,
2073                                 conv_get_locale_charset_str(),
2074                                 CS_UTF_8);
2075                 }
2076                 if (tmp) {
2077                         g_free(partname);
2078                         partname = tmp;
2079                 }
2080         }
2081
2082         subst_for_filename(partname);
2083
2084         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
2085                 filepath = g_strconcat(prefs_common.attach_save_dir,
2086                                        G_DIR_SEPARATOR_S, partname, NULL);
2087         else
2088                 filepath = g_strdup(partname);
2089
2090         g_free(partname);
2091
2092         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
2093         filename = filesel_select_file_save(_("Save as"), filepath);
2094         if (!filename) {
2095                 g_free(filepath);
2096                 return;
2097         }
2098
2099         mimeview_write_part(filename, partinfo, TRUE);
2100
2101         filedir = g_path_get_dirname(filename);
2102         if (filedir && strcmp(filedir, ".")) {
2103                 g_free(prefs_common.attach_save_dir);
2104                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
2105         }
2106
2107         g_free(filedir);
2108         g_free(filepath);
2109 }
2110
2111 void mimeview_display_as_text(MimeView *mimeview)
2112 {
2113         MimeInfo *partinfo;
2114
2115         if (!mimeview->opened) return;
2116
2117         partinfo = mimeview_get_part_to_use(mimeview);
2118         mimeview_select_mimepart_icon(mimeview, partinfo);
2119         cm_return_if_fail(partinfo != NULL);
2120         mimeview_show_message_part(mimeview, partinfo);
2121 }
2122
2123 void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
2124 {
2125         gchar *filename;
2126         gint err;
2127
2128         if (!mimeview->opened) return;
2129         if (!mimeview->file) return;
2130
2131         if (!partinfo)
2132                 partinfo = mimeview_get_part_to_use(mimeview);
2133
2134         cm_return_if_fail(partinfo != NULL);
2135
2136         filename = procmime_get_tmp_file_name(partinfo);
2137
2138         if ((err = procmime_get_part(filename, partinfo)) < 0)
2139                 alertpanel_error
2140                         (_("Couldn't save the part of multipart message: %s"),
2141                                 g_strerror(-err));
2142         else
2143                 mimeview_view_file(filename, partinfo, NULL, mimeview);
2144
2145         g_free(filename);
2146 }
2147
2148 #ifndef G_OS_WIN32
2149 void mimeview_open_with(MimeView *mimeview)
2150 {
2151         MimeInfo *partinfo;
2152
2153         if (!mimeview) return;
2154         if (!mimeview->opened) return;
2155         if (!mimeview->file) return;
2156
2157         partinfo = mimeview_get_part_to_use(mimeview);
2158
2159         mimeview_open_part_with(mimeview, partinfo, FALSE);
2160 }
2161
2162 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
2163 {
2164         gchar *filename;
2165         gchar *cmd;
2166         gchar *mime_command = NULL;
2167         gchar *content_type = NULL;
2168         gint err;
2169
2170         cm_return_if_fail(partinfo != NULL);
2171
2172         filename = procmime_get_tmp_file_name(partinfo);
2173
2174         if ((err = procmime_get_part(filename, partinfo)) < 0) {
2175                 alertpanel_error
2176                         (_("Couldn't save the part of multipart message: %s"),
2177                                 g_strerror(-err));
2178                 g_free(filename);
2179                 return;
2180         }
2181
2182         if (!prefs_common.mime_open_cmd_history)
2183                 prefs_common.mime_open_cmd_history =
2184                         add_history(NULL, prefs_common.mime_open_cmd);
2185
2186         if ((partinfo->type == MIMETYPE_APPLICATION) &&
2187             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
2188                 /* guess content-type from filename */
2189                 content_type = procmime_get_mime_type(filename);
2190         }
2191         if (content_type == NULL) {
2192                 content_type = procmime_get_content_type_str(partinfo->type,
2193                         partinfo->subtype);
2194         }
2195
2196         if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
2197         && prefs_common_get_uri_cmd() && prefs_common.uri_cmd[0]) {
2198                 mime_command = g_strdup(prefs_common_get_uri_cmd());
2199                 g_free(content_type);
2200                 content_type = NULL;
2201         } else if (partinfo->type != MIMETYPE_TEXT || !prefs_common_get_ext_editor_cmd()
2202         ||  !prefs_common_get_ext_editor_cmd()[0]) {
2203                 mime_command = mailcap_get_command_for_type(content_type, filename);
2204         } else {
2205                 mime_command = g_strdup(prefs_common_get_ext_editor_cmd());
2206                 g_free(content_type);
2207                 content_type = NULL;
2208         }
2209         if (mime_command == NULL) {
2210                 /* try with extension this time */
2211                 g_free(content_type);
2212                 content_type = procmime_get_mime_type(filename);
2213                 mime_command = mailcap_get_command_for_type(content_type, filename);
2214         }
2215
2216         if (mime_command == NULL)
2217                 automatic = FALSE;
2218
2219         if (!automatic) {
2220                 gboolean remember = FALSE;
2221                 if (content_type != NULL)
2222                         cmd = input_dialog_combo_remember
2223                                 (_("Open with"),
2224                                  _("Enter the command-line to open file:\n"
2225                                    "('%s' will be replaced with file name)"),
2226                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2227                                  prefs_common.mime_open_cmd_history, &remember);
2228                 else
2229                         cmd = input_dialog_combo
2230                                 (_("Open with"),
2231                                  _("Enter the command-line to open file:\n"
2232                                    "('%s' will be replaced with file name)"),
2233                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2234                                  prefs_common.mime_open_cmd_history);
2235                 if (cmd && remember) {
2236                         mailcap_update_default(content_type, cmd);
2237                 }
2238                 g_free(mime_command);
2239         } else {
2240                 cmd = mime_command;
2241         }
2242         if (cmd) {
2243                 mimeview_view_file(filename, partinfo, cmd, mimeview);
2244                 g_free(prefs_common.mime_open_cmd);
2245                 prefs_common.mime_open_cmd = cmd;
2246                 prefs_common.mime_open_cmd_history =
2247                         add_history(prefs_common.mime_open_cmd_history, cmd);
2248         }
2249
2250         g_free(content_type);
2251         g_free(filename);
2252 }
2253 #endif
2254
2255 static void mimeview_send_to(MimeView *mimeview, MimeInfo *partinfo)
2256 {
2257         GList *attach_file = NULL;
2258         AttachInfo *ainfo = NULL;
2259         gchar *filename;
2260         gint err;
2261
2262         if (!mimeview->opened) return;
2263         if (!mimeview->file) return;
2264
2265         cm_return_if_fail(partinfo != NULL);
2266
2267         filename = procmime_get_tmp_file_name(partinfo);
2268
2269         if (!(err = procmime_get_part(filename, partinfo))) {
2270                 ainfo = g_new0(AttachInfo, 1);
2271                 ainfo->file = filename;
2272                 ainfo->name = g_strdup(get_part_name(partinfo));
2273                 ainfo->content_type = procmime_get_content_type_str(
2274                                         partinfo->type, partinfo->subtype);
2275                 ainfo->charset = g_strdup(procmime_mimeinfo_get_parameter(
2276                                         partinfo, "charset"));
2277                 attach_file = g_list_append(attach_file, ainfo);
2278
2279                 compose_new(NULL, NULL, attach_file);
2280
2281                 g_free(ainfo->name);
2282                 g_free(ainfo->content_type);
2283                 g_free(ainfo->charset);
2284                 g_free(ainfo);
2285                 g_list_free(attach_file);
2286         } else
2287                 alertpanel_error
2288                         (_("Couldn't save the part of multipart message: %s"),
2289                                 g_strerror(-err));
2290         g_free(filename);
2291 }
2292
2293 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
2294                                const gchar *cmd, MimeView *mimeview)
2295 {
2296 #ifndef G_OS_WIN32
2297         gchar *p;
2298         gchar buf[BUFFSIZE];
2299
2300         if (cmd == NULL)
2301                 mimeview_open_part_with(mimeview, partinfo, TRUE);
2302         else {
2303                 if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2304                     !strchr(p + 2, '%')) {
2305                         g_snprintf(buf, sizeof(buf), cmd, filename);
2306                         if (!prefs_common.save_parts_readwrite)
2307                                 g_chmod(filename, S_IRUSR);
2308                         else
2309                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2310                 } else {
2311                         g_warning("MIME viewer command-line is invalid: '%s'", cmd);
2312                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2313                 }
2314                 if (execute_command_line(buf, TRUE, NULL) != 0) {
2315                         if (!prefs_common.save_parts_readwrite)
2316                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2317                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2318                 }
2319         }
2320 #else
2321         SHFILEINFO file_info;
2322         GError *error = NULL;
2323         gunichar2 *fn16 = g_utf8_to_utf16(filename, -1, NULL, NULL, &error);
2324
2325         if (error != NULL) {
2326                 alertpanel_error(_("Could not convert attachment name to UTF-16:\n\n%s"),
2327                                         error->message);
2328                 debug_print("filename '%s' conversion to UTF-16 failed\n", filename);
2329                 g_error_free(error);
2330                 return;
2331         }
2332
2333         if ((SHGetFileInfo((LPCWSTR)fn16, 0, &file_info, sizeof(SHFILEINFO), SHGFI_EXETYPE)) != 0) {
2334                 AlertValue val = alertpanel_full(_("Execute untrusted binary?"),
2335                                       _("This attachment is an executable file. Executing "
2336                                         "untrusted binaries is dangerous and could compromise "
2337                                         "your computer.\n\n"
2338                                         "Do you want to run this file?"), GTK_STOCK_CANCEL,
2339                                         _("Run binary"),
2340                                       NULL, ALERTFOCUS_FIRST, FALSE, NULL, ALERT_WARNING);
2341                 if (val == G_ALERTALTERNATE) {
2342                         debug_print("executing binary\n");
2343                         ShellExecute(NULL, L"open", (LPCWSTR)fn16, NULL, NULL, SW_SHOW);
2344                 }
2345         } else {
2346                 ShellExecute(NULL, L"open", (LPCWSTR)fn16, NULL, NULL, SW_SHOW);
2347         }
2348
2349         g_free(fn16);
2350
2351 #endif
2352 }
2353
2354 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
2355 {
2356         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
2357 }
2358
2359 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
2360 {
2361         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
2362 }
2363
2364 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
2365 {
2366         GSList *mimeview_list, *viewer_list;
2367
2368         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
2369                 MimeView *mimeview = (MimeView *) mimeview_list->data;
2370
2371                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
2372                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
2373                         mimeview->mimeviewer = NULL;
2374                 }
2375
2376                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
2377                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
2378
2379                         mimeviewer->destroy_viewer(mimeviewer);
2380                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
2381                 }
2382         }
2383
2384         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
2385 }
2386
2387 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
2388 {
2389         gint      num;
2390         MimeInfo *partinfo;
2391
2392         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2393         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2394
2395         if (event->button == 1) {
2396                 icon_selected(mimeview, num, partinfo);
2397                 gtk_widget_grab_focus(button);
2398                 icon_list_toggle_by_mime_info(mimeview, partinfo);
2399         }
2400         part_button_pressed(mimeview, event, partinfo);
2401
2402         return FALSE;
2403 }
2404
2405 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
2406 {
2407         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
2408         GtkTreeIter iter;
2409         GtkTreePath *path;
2410         MimeInfo *curr = NULL;
2411
2412         if (!gtk_tree_model_get_iter_first(model, &iter))
2413                 return;
2414         path = gtk_tree_model_get_path(model, &iter);
2415
2416         do {
2417                 gtk_tree_model_get_iter(model, &iter, path);
2418                 gtk_tree_model_get(model, &iter, COL_DATA, &curr, -1);
2419                 if (curr == partinfo) {
2420                         GtkTreeSelection *sel = gtk_tree_view_get_selection(
2421                                                 GTK_TREE_VIEW(mimeview->ctree));
2422                         gtk_tree_selection_select_iter(sel, &iter);
2423                         gtk_tree_path_free(path);
2424                         return;
2425                 }
2426         } while (mimeview_tree_next(model, path));
2427
2428         gtk_tree_path_free(path);
2429 }
2430
2431 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
2432 {
2433         icon_list_toggle_by_mime_info(mimeview, partinfo);
2434         icon_selected(mimeview, -1, partinfo);
2435 }
2436
2437 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
2438                              MimeView *mimeview)
2439 {
2440         SummaryView  *summaryview;
2441
2442         if (!event) return FALSE;
2443
2444         switch (event->keyval) {
2445         case GDK_KEY_space:
2446                 if (mimeview_scroll_page(mimeview, FALSE))
2447                         return TRUE;
2448
2449                 mimeview_select_next_part(mimeview);
2450                 return TRUE;
2451
2452                 break;
2453         case GDK_KEY_BackSpace:
2454                 mimeview_scroll_page(mimeview, TRUE);
2455                 return TRUE;
2456         case GDK_KEY_Return:
2457         case GDK_KEY_KP_Enter:
2458                 mimeview_scroll_one_line(mimeview,
2459                                          (event->state & GDK_MOD1_MASK) != 0);
2460                 return TRUE;
2461         case GDK_KEY_y:
2462                 BREAK_ON_MODIFIER_KEY();
2463                 mimeview_save_as(mimeview);
2464                 return TRUE;
2465         case GDK_KEY_t:
2466                 BREAK_ON_MODIFIER_KEY();
2467                 mimeview_display_as_text(mimeview);
2468                 return TRUE;
2469         case GDK_KEY_l:
2470                 BREAK_ON_MODIFIER_KEY();
2471                 mimeview_launch(mimeview, NULL);
2472                 return TRUE;
2473 #ifndef G_OS_WIN32
2474         case GDK_KEY_o:
2475                 BREAK_ON_MODIFIER_KEY();
2476                 mimeview_open_with(mimeview);
2477                 return TRUE;
2478 #endif
2479         case GDK_KEY_c:
2480                 BREAK_ON_MODIFIER_KEY();
2481                 mimeview_check_signature(mimeview);
2482                 return TRUE;
2483         case GDK_KEY_a:
2484                 BREAK_ON_MODIFIER_KEY();
2485                 mimeview_select_next_part(mimeview);
2486                 return TRUE;
2487         default:
2488                 break;
2489         }
2490
2491         if (!mimeview->messageview->mainwin) return FALSE;
2492         summaryview = mimeview->messageview->mainwin->summaryview;
2493         return summary_pass_key_press_event(summaryview, event);
2494 }
2495
2496 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
2497 {
2498         MimeView *mimeview = (MimeView *)data;
2499         MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
2500
2501         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2502                           "pop_partinfo", partinfo);
2503         gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
2504                        NULL, NULL, NULL, NULL,
2505                        0, gtk_get_current_event_time());
2506         return TRUE;
2507 }
2508
2509 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
2510 {
2511         GtkWidget *pixmap = NULL;
2512         GtkWidget *vbox;
2513         GtkWidget *button;
2514         gchar *tip;
2515         gchar *tiptmp;
2516         const gchar *desc = NULL;
2517         gchar *sigshort = NULL;
2518         gchar *content_type;
2519         StockPixmap stockp;
2520         MimeInfo *partinfo;
2521         MimeInfo *siginfo = NULL;
2522         MimeInfo *encrypted = NULL;
2523 #ifdef GENERIC_UMPC
2524         GtkRequisition r;
2525 #endif
2526
2527         if (!prefs_common.show_inline_attachments && mimeinfo->id)
2528                 return;
2529
2530         vbox = mimeview->icon_vbox;
2531         mimeview->icon_count++;
2532         button = gtk_event_box_new();
2533
2534         g_signal_connect(G_OBJECT(button), "motion-notify-event",
2535                          G_CALLBACK(mimeview_visi_notify), mimeview);
2536         g_signal_connect(G_OBJECT(button), "leave-notify-event",
2537                          G_CALLBACK(mimeview_leave_notify), mimeview);
2538         g_signal_connect(G_OBJECT(button), "enter-notify-event",
2539                          G_CALLBACK(mimeview_enter_notify), mimeview);
2540
2541         gtk_container_set_border_width(GTK_CONTAINER(button), 2);
2542         g_object_set_data(G_OBJECT(button), "icon_number",
2543                           GINT_TO_POINTER(mimeview->icon_count));
2544         g_object_set_data(G_OBJECT(button), "partinfo",
2545                           mimeinfo);
2546
2547         switch (mimeinfo->type) {
2548
2549         case MIMETYPE_TEXT:
2550                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2551                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
2552                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
2553                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
2554                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
2555                         stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
2556                 else if  (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
2557                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff")))
2558                         stockp = STOCK_PIXMAP_MIME_TEXT_PATCH;
2559                 else
2560                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
2561                 break;
2562         case MIMETYPE_MESSAGE:
2563                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
2564                 break;
2565         case MIMETYPE_APPLICATION:
2566                 if (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature")
2567                     || !g_ascii_strcasecmp(mimeinfo->subtype, "x-pkcs7-signature")
2568                     || !g_ascii_strcasecmp(mimeinfo->subtype, "pkcs7-signature")))
2569                         stockp = STOCK_PIXMAP_MIME_PGP_SIG;
2570                 else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
2571                         stockp = STOCK_PIXMAP_MIME_PDF;
2572                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
2573                         stockp = STOCK_PIXMAP_MIME_PS;
2574                 else
2575                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
2576                 break;
2577         case MIMETYPE_IMAGE:
2578                 stockp = STOCK_PIXMAP_MIME_IMAGE;
2579                 break;
2580         case MIMETYPE_AUDIO:
2581                 stockp = STOCK_PIXMAP_MIME_AUDIO;
2582                 break;
2583         default:
2584                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
2585                 break;
2586         }
2587
2588         partinfo = mimeinfo;
2589         while (partinfo != NULL) {
2590                 if (privacy_mimeinfo_is_signed(partinfo)) {
2591                         siginfo = partinfo;
2592                         break;
2593                 }
2594                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
2595                         encrypted = partinfo;
2596                         break;
2597                 }
2598                 partinfo = procmime_mimeinfo_parent(partinfo);
2599         }
2600
2601         if (siginfo != NULL) {
2602                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
2603                 case SIGNATURE_UNCHECKED:
2604                 case SIGNATURE_CHECK_FAILED:
2605                 case SIGNATURE_CHECK_TIMEOUT:
2606                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2607                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2608                         break;
2609                 case SIGNATURE_OK:
2610                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2611                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2612                         break;
2613                 case SIGNATURE_WARN:
2614                 case SIGNATURE_KEY_EXPIRED:
2615                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2616                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
2617                         break;
2618                 case SIGNATURE_INVALID:
2619                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2620                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2621                         break;
2622                 }
2623                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2624         } else if (encrypted != NULL) {
2625                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2626                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2627         } else {
2628                 pixmap = stock_pixmap_widget_with_overlay(stockp, 0,
2629                                                           OVERLAY_NONE, 6, 3);
2630         }
2631         gtk_container_add(GTK_CONTAINER(button), pixmap);
2632         if (!desc) {
2633                 if (prefs_common.attach_desc)
2634                         desc = get_part_description(mimeinfo);
2635                 else
2636                         desc = get_part_name(mimeinfo);
2637         }
2638
2639         content_type = procmime_get_content_type_str(mimeinfo->type,
2640                                                      mimeinfo->subtype);
2641
2642         tip = g_strconcat("<b>", _("Type:"), "  </b>", content_type,
2643                           "\n<b>", _("Size:"), " </b>",
2644                           to_human_readable((goffset)mimeinfo->length), NULL);
2645         g_free(content_type);
2646         if (desc && *desc) {
2647                 gchar *tmp = NULL, *escaped = NULL;
2648                 if (!g_utf8_validate(desc, -1, NULL)) {
2649                         tmp = conv_filename_to_utf8(desc);
2650                 } else {
2651                         tmp = g_strdup(desc);
2652                 }
2653                 escaped = g_markup_escape_text(tmp,-1);
2654
2655                 tiptmp = g_strconcat(tip, "\n<b>",
2656                                 prefs_common.attach_desc && mimeinfo->description ?
2657                                 _("Description:") : _("Filename:"),
2658                                 " </b>", escaped, NULL);
2659                 g_free(tip);
2660                 tip = tiptmp;
2661                 g_free(tmp);
2662                 g_free(escaped);
2663         }
2664         if (sigshort && *sigshort) {
2665                 gchar *sigshort_escaped =
2666                         g_markup_escape_text(sigshort, -1);
2667
2668                 tiptmp = g_strjoin("\n", tip, sigshort_escaped, NULL);
2669                 g_free(tip);
2670                 g_free(sigshort_escaped);
2671                 tip = tiptmp;
2672         }
2673         g_free(sigshort);
2674
2675         gtk_widget_set_tooltip_markup(button, tip);
2676         g_free(tip);
2677         gtk_widget_show_all(button);
2678         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2679                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2680
2681         g_signal_connect(G_OBJECT(button), "popup-menu",
2682                          G_CALLBACK(icon_popup_menu), mimeview);
2683         g_signal_connect(G_OBJECT(button), "button_release_event",
2684                          G_CALLBACK(icon_clicked_cb), mimeview);
2685         g_signal_connect(G_OBJECT(button), "key_press_event",
2686                          G_CALLBACK(icon_key_pressed), mimeview);
2687         g_signal_connect(G_OBJECT(button), "drag_data_get",
2688                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2689         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2690 #ifdef GENERIC_UMPC
2691         gtk_widget_size_request(pixmap, &r);
2692         gtk_widget_set_size_request(button, -1, r.height + 4);
2693 #endif
2694
2695 }
2696
2697 static void icon_list_clear (MimeView *mimeview)
2698 {
2699         GList     *child, *orig;
2700         GtkAdjustment *adj;
2701
2702         orig = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2703         for (child = orig; child != NULL; child = g_list_next(child)) {
2704                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2705                                        GTK_WIDGET(child->data));
2706         }
2707         g_list_free(orig);
2708         mimeview->icon_count = 0;
2709         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2710         gtk_adjustment_set_value(adj, gtk_adjustment_get_lower(adj));
2711         gtk_adjustment_changed(adj);
2712 }
2713
2714 /*!
2715  *\brief        Used to 'click' the next or previous icon.
2716  *
2717  *\return       true if the icon 'number' exists and was selected.
2718  */
2719 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2720                                          GtkAllocation *size, MimeView *mimeview)
2721 {
2722         GtkAllocation vbox_size;
2723         GtkAllocation layout_size;
2724         GtkAdjustment *adj;
2725         guint width;
2726         guint height;
2727
2728         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2729
2730         gtk_widget_get_allocation(mimeview->icon_vbox, &vbox_size);
2731         gtk_widget_get_allocation(mimeview->icon_scroll, &layout_size);
2732
2733         gtk_layout_get_size(GTK_LAYOUT(mimeview->icon_scroll), &width, &height);
2734         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2735                             width,
2736                             MAX(vbox_size.height, layout_size.height));
2737         gtk_adjustment_set_step_increment(adj, 10);
2738 }
2739
2740 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2741 {
2742         GtkRequisition size;
2743         GtkRequisition requisition;
2744
2745         cm_return_if_fail(mimeinfo != NULL);
2746
2747         while (mimeinfo != NULL) {
2748                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2749                         icon_list_append_icon(mimeview, mimeinfo);
2750                 if (mimeinfo->node->children != NULL)
2751                         icon_list_create(mimeview,
2752                                 (MimeInfo *) mimeinfo->node->children->data);
2753                 mimeinfo = mimeinfo->node->next != NULL
2754                          ? (MimeInfo *) mimeinfo->node->next->data
2755                          : NULL;
2756         }
2757         gtk_widget_size_request(mimeview->icon_vbox, &size);
2758         gtk_widget_get_requisition(mimeview->icon_mainbox, &requisition);
2759         if (size.width > requisition.width) {
2760                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2761                                             size.width, -1);
2762         }
2763         if (mimeview->opened)
2764                 icon_list_toggle_by_mime_info(mimeview,
2765                         mimeview_get_node_part(mimeview, mimeview->opened));
2766 }
2767
2768 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
2769                                            MimeInfo     *mimeinfo)
2770 {
2771         GList *children, *child;
2772
2773         children = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2774         for (child = children; child != NULL; child = g_list_next(child)) {
2775                 gboolean *highlight = NULL;
2776                 GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2777
2778                 if (!GTK_IS_EVENT_BOX(child->data))
2779                         continue;
2780
2781                 highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2782                 *highlight = (g_object_get_data(G_OBJECT(child->data),
2783                                       "partinfo") == (gpointer)mimeinfo);
2784
2785                 gtk_widget_queue_draw(icon);
2786         }
2787         g_list_free(children);
2788 }
2789
2790 static void ctree_size_allocate_cb(GtkWidget *widget, GtkAllocation *allocation,
2791                                     MimeView *mimeview)
2792 {
2793         prefs_common.mimeview_tree_height = allocation->height;
2794 }
2795
2796 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
2797                                     MimeView *mimeview)
2798 {
2799         g_object_ref(button);
2800
2801         mimeview_leave_notify(button, NULL, NULL);
2802
2803         mimeview->ctree_mode = !mimeview->ctree_mode;
2804         if (mimeview->ctree_mode) {
2805                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_RIGHT,
2806                                         GTK_SHADOW_NONE);
2807                 gtk_widget_hide(mimeview->icon_mainbox);
2808                 gtk_widget_show(mimeview->ctree_mainbox);
2809                 gtk_paned_set_position(GTK_PANED(mimeview->paned),
2810                                         prefs_common.mimeview_tree_height);
2811
2812                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2813                                         button);
2814                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2815                                    button, FALSE, FALSE, 0);
2816         } else {
2817                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_LEFT,
2818                               GTK_SHADOW_NONE);
2819                 gtk_widget_hide(mimeview->ctree_mainbox);
2820                 gtk_widget_show(mimeview->icon_mainbox);
2821                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2822
2823                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2824                                         button);
2825                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2826                                    button, FALSE, FALSE, 0);
2827                 gtk_box_reorder_child(GTK_BOX(gtk_widget_get_parent(button)), button, 0);
2828                 if (mimeview->opened)
2829                         icon_list_toggle_by_mime_info(mimeview,
2830                                         mimeview_get_node_part(mimeview, mimeview->opened));
2831                 summary_grab_focus(mimeview->mainwin->summaryview);
2832         }
2833         g_object_unref(button);
2834         return TRUE;
2835 }
2836
2837 void mimeview_update (MimeView *mimeview)
2838 {
2839         if (mimeview && mimeview->mimeinfo) {
2840                 icon_list_clear(mimeview);
2841                 icon_list_create(mimeview, mimeview->mimeinfo);
2842         }
2843 }
2844
2845 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2846 {
2847         MessageView *msgview = NULL;
2848         MainWindow *mainwin = NULL;
2849
2850         if (!cmd)
2851                 return;
2852
2853         msgview = mimeview->messageview;
2854         if (!msgview)
2855                 return;
2856
2857         mainwin = msgview->mainwin;
2858         if (!mainwin)
2859                 return;
2860
2861         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2862                           "pop_partinfo", NULL);
2863
2864         if (!strcmp(cmd, "sc://view_log"))
2865                 log_window_show(mainwin->logwin);
2866         else if (!strcmp(cmd, "sc://save_as"))
2867                 mimeview_save_as(mimeview);
2868         else if (!strcmp(cmd, "sc://display_as_text"))
2869                 mimeview_display_as_text(mimeview);
2870 #ifndef G_OS_WIN32
2871         else if (!strcmp(cmd, "sc://open_with"))
2872                 mimeview_open_with(mimeview);
2873 #endif
2874         else if (!strcmp(cmd, "sc://open"))
2875                 mimeview_launch(mimeview, NULL);
2876         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2877                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2878                 icon_selected(mimeview, -1, (MimeInfo *)data);
2879         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2880                 mimeview_launch(mimeview, (MimeInfo *)data);
2881         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2882                 mimeview->spec_part = (MimeInfo *)data;
2883                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2884         } else if (!strncmp(cmd, "sc://search_tags:", strlen("sc://search_tags:"))) {
2885                 const gchar *tagname = cmd + strlen("sc://search_tags:");
2886                 gchar *buf = g_strdup_printf("tag matchcase \"%s\"", tagname);
2887                 gtk_toggle_button_set_active(
2888                                 GTK_TOGGLE_BUTTON(mimeview->messageview->mainwin->summaryview->toggle_search),
2889                                 TRUE);
2890                 quicksearch_set(mimeview->messageview->mainwin->summaryview->quicksearch,
2891                                 ADVANCED_SEARCH_EXTENDED, buf);
2892                 g_free(buf);
2893         }
2894 }
2895
2896 gboolean mimeview_scroll_page(MimeView *mimeview, gboolean up)
2897 {
2898         if (mimeview->type == MIMEVIEW_TEXT)
2899                 return textview_scroll_page(mimeview->textview, up);
2900         else if (mimeview->mimeviewer) {
2901                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2902                 if (mimeviewer->scroll_page)
2903                         return mimeviewer->scroll_page(mimeviewer, up);
2904         }
2905         return TRUE;
2906 }
2907
2908 void mimeview_scroll_one_line(MimeView *mimeview, gboolean up)
2909 {
2910         if (mimeview->type == MIMEVIEW_TEXT)
2911                 textview_scroll_one_line(mimeview->textview, up);
2912         else if (mimeview->mimeviewer) {
2913                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2914                 if (mimeviewer->scroll_one_line)
2915                         mimeviewer->scroll_one_line(mimeviewer, up);
2916         }
2917 }