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         N_MIMEVIEW_COLUMNS
  67 } MimeViewColumnPos;
  68
  69 #define N_MIMEVIEW_COLS (N_MIMEVIEW_COLUMNS)
  70
  71 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  72                                                  MimeInfo       *mimeinfo,
  73                                                  GtkTreeIter    *parent);
  74 static void mimeview_show_message_part          (MimeView       *mimeview,
  75                                                  MimeInfo       *partinfo);
  76 static void mimeview_change_view_type           (MimeView       *mimeview,
  77                                                  MimeViewType    type);
  78 static gchar *mimeview_get_filename_for_part    (MimeInfo       *partinfo,
  79                                                  const gchar    *basedir,
  80                                                  gint            number);
  81 static gboolean mimeview_write_part             (const gchar    *filename,
  82                                                  MimeInfo       *partinfo,
  83                                                  gboolean        handle_error);
  84
  85 static void mimeview_selected           (GtkTreeSelection       *selection,
  86                                          MimeView       *mimeview);
  87 static gint mimeview_button_pressed     (GtkWidget      *widget,
  88                                          GdkEventButton *event,
  89                                          MimeView       *mimeview);
  90 static gint mimeview_key_pressed        (GtkWidget      *widget,
  91                                          GdkEventKey    *event,
  92                                          MimeView       *mimeview);
  93
  94 static void mimeview_drag_data_get      (GtkWidget        *widget,
  95                                          GdkDragContext   *drag_context,
  96                                          GtkSelectionData *selection_data,
  97                                          guint             info,
  98                                          guint             time,
  99                                          MimeView         *mimeview);
 100
 101 static gboolean mimeview_scrolled       (GtkWidget      *widget,
 102                                          GdkEventScroll *event,
 103                                          MimeView       *mimeview);
 104
 105 static void mimeview_save_all           (MimeView       *mimeview);
 106 #ifndef G_OS_WIN32
 107 static void mimeview_open_part_with     (MimeView       *mimeview,
 108                                          MimeInfo       *partinfo,
 109                                          gboolean        automatic);
 110 #endif
 111 static void mimeview_send_to            (MimeView       *mimeview,
 112                                          MimeInfo       *partinfo);
 113 static void mimeview_view_file          (const gchar    *filename,
 114                                          MimeInfo       *partinfo,
 115                                          const gchar    *cmd,
 116                                          MimeView       *mimeview);
 117 static gboolean icon_clicked_cb         (GtkWidget      *button,
 118                                          GdkEventButton *event,
 119                                          MimeView       *mimeview);
 120 static void icon_selected               (MimeView       *mimeview,
 121                                          gint            num,
 122                                          MimeInfo       *partinfo);
 123 static gint icon_key_pressed            (GtkWidget      *button,
 124                                          GdkEventKey    *event,
 125                                          MimeView       *mimeview);
 126 static void icon_list_append_icon       (MimeView       *mimeview,
 127                                          MimeInfo       *mimeinfo);
 128 static void icon_list_create            (MimeView       *mimeview,
 129                                          MimeInfo       *mimeinfo);
 130 static void icon_list_clear             (MimeView       *mimeview);
 131 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 132                                            MimeInfo     *mimeinfo);
 133 static void ctree_size_allocate_cb      (GtkWidget      *widget,
 134                                          GtkAllocation  *allocation,
 135                                          MimeView       *mimeview);
 136 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
 137                                     MimeView *mimeview);
 138 static gboolean part_button_pressed     (MimeView       *mimeview,
 139                                          GdkEventButton *event,
 140                                          MimeInfo       *partinfo);
 141 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 142                                          GtkAllocation  *layout_size,
 143                                          MimeView       *mimeview);
 144 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview);
 145 static const gchar *get_part_name(MimeInfo *partinfo);
 146 static const gchar *get_part_description(MimeInfo *partinfo);
 147
 148 static void mimeview_launch_cb(GtkAction *action, gpointer data)
 149 {
 150         MimeView *mimeview = (MimeView *)data;
 151         mimeview_launch(mimeview, mimeview_get_part_to_use(mimeview));
 152 }
 153
 154 #ifndef G_OS_WIN32
 155 static void mimeview_open_with_cb(GtkAction *action, gpointer data)
 156 {
 157         mimeview_open_with((MimeView *)data);
 158 }
 159 #endif
 160
 161 static void mimeview_copy_cb(GtkAction *action, gpointer data)
 162 {
 163         MimeView *mimeview = (MimeView *)data;
 164         MimeInfo *mimeinfo = mimeview_get_part_to_use(mimeview);
 165
 166         if (mimeinfo == NULL)
 167                 return;
 168
 169         if (mimeinfo->type == MIMETYPE_IMAGE) {
 170                 GError *error = NULL;
 171                 GdkPixbuf *pixbuf = procmime_get_part_as_pixbuf(mimeinfo, &error);
 172                 if (error != NULL) {
 173                         g_warning("could not copy: %s", error->message);
 174                         g_error_free(error);
 175                 } else {
 176                         gtk_clipboard_set_image(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD),
 177                                                 pixbuf);
 178                 }
 179                 g_object_unref(pixbuf);
 180         } else {
 181                 void *data = procmime_get_part_as_string(mimeinfo, FALSE);
 182                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD),
 183                                        data, mimeinfo->length);
 184                 g_free(data);
 185         }
 186 }
 187
 188 static void mimeview_send_to_cb(GtkAction *action, gpointer data)
 189 {
 190         MimeView *mimeview = (MimeView *)data;
 191         mimeview_send_to(mimeview, mimeview_get_part_to_use(mimeview));
 192 }
 193
 194 static void mimeview_display_as_text_cb(GtkAction *action, gpointer data)
 195 {
 196         mimeview_display_as_text((MimeView *)data);
 197 }
 198
 199 static void mimeview_save_as_cb(GtkAction *action, gpointer data)
 200 {
 201         mimeview_save_as((MimeView *)data);
 202 }
 203
 204 static void mimeview_save_all_cb(GtkAction *action, gpointer data)
 205 {
 206         mimeview_save_all((MimeView *)data);
 207 }
 208
 209 static void mimeview_select_next_part_cb(GtkAction *action, gpointer data)
 210 {
 211         mimeview_select_next_part((MimeView *)data);
 212 }
 213
 214 static void mimeview_select_prev_part_cb(GtkAction *action, gpointer data)
 215 {
 216         mimeview_select_prev_part((MimeView *)data);
 217 }
 218
 219 static GtkActionEntry mimeview_menu_actions[] = {
 220         { "MimeView", NULL, "MimeView", NULL, NULL, NULL },
 221         { "MimeView/Open", NULL, N_("_Open"), NULL, "Open MIME part", G_CALLBACK(mimeview_launch_cb) },
 222 #if (!defined G_OS_WIN32)
 223         { "MimeView/OpenWith", NULL, N_("Open _with..."), NULL, "Open MIME part with...", G_CALLBACK(mimeview_open_with_cb) },
 224 #endif
 225         { "MimeView/Copy", NULL, N_("Copy"), NULL, "Copy", G_CALLBACK(mimeview_copy_cb) },
 226         { "MimeView/SendTo", NULL, N_("Send to..."), NULL, "Send to", G_CALLBACK(mimeview_send_to_cb) },
 227         { "MimeView/DisplayAsText", NULL, N_("_Display as text"), NULL, "Display as text", G_CALLBACK(mimeview_display_as_text_cb) },
 228         { "MimeView/SaveAs", NULL, N_("_Save as..."), NULL, "Save as", G_CALLBACK(mimeview_save_as_cb) },
 229         { "MimeView/SaveAll", NULL, N_("Save _all..."), NULL, "Save all parts", G_CALLBACK(mimeview_save_all_cb) },
 230         { "MimeView/NextPart", NULL, N_("Next part"), NULL, "Next part", G_CALLBACK(mimeview_select_next_part_cb) },
 231         { "MimeView/PrevPart", NULL, N_("Previous part"), NULL, "Previous part", G_CALLBACK(mimeview_select_prev_part_cb) }
 232 };
 233
 234 static GtkTargetEntry mimeview_mime_types[] =
 235 {
 236         {"text/uri-list", 0, 0}
 237 };
 238
 239 GSList *mimeviewer_factories;
 240 GSList *mimeviews;
 241
 242 static GdkCursor *hand_cursor = NULL;
 243
 244 static gboolean mimeview_visi_notify(GtkWidget *widget,
 245                                        GdkEventVisibility *event,
 246                                        MimeView *mimeview)
 247 {
 248         gdk_window_set_cursor(gtk_widget_get_window(widget), hand_cursor);
 249         return FALSE;
 250 }
 251
 252 static gboolean mimeview_leave_notify(GtkWidget *widget,
 253                                       GdkEventCrossing *event,
 254                                       MimeView *mimeview)
 255 {
 256         gdk_window_set_cursor(gtk_widget_get_window(widget), NULL);
 257         return FALSE;
 258 }
 259
 260 static gboolean mimeview_enter_notify(GtkWidget *widget,
 261                                       GdkEventCrossing *event,
 262                                       MimeView *mimeview)
 263 {
 264         gdk_window_set_cursor(gtk_widget_get_window(widget), hand_cursor);
 265         return FALSE;
 266 }
 267
 268 MimeView *mimeview_create(MainWindow *mainwin)
 269 {
 270         MimeView *mimeview;
 271
 272         GtkWidget *paned;
 273         GtkWidget *scrolledwin;
 274         GtkWidget *ctree;
 275         GtkWidget *mime_notebook;
 276         GtkWidget *popupmenu;
 277         GtkWidget *ctree_mainbox;
 278         GtkWidget *vbox;
 279         GtkWidget *mime_toggle;
 280         GtkWidget *icon_mainbox;
 281         GtkWidget *icon_scroll;
 282         GtkWidget *icon_vbox;
 283         GtkWidget *arrow;
 284         GtkWidget *scrollbutton;
 285         GtkWidget *hbox;
 286         NoticeView *siginfoview;
 287         GtkRequisition r;
 288         GtkTreeStore *model;
 289         GtkCellRenderer *renderer;
 290         GtkTreeViewColumn *column;
 291         GtkTreeSelection *selection;
 292
 293         gchar *titles[N_MIMEVIEW_COLS];
 294         gint cols;
 295
 296         if (!hand_cursor)
 297                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 298
 299         debug_print("Creating MIME view...\n");
 300         mimeview = g_new0(MimeView, 1);
 301
 302         titles[COL_MIMETYPE] = _("MIME Type");
 303         titles[COL_SIZE]     = _("Size");
 304         titles[COL_NAME]     = _("Name");
 305
 306         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 307         gtk_widget_show(scrolledwin);
 308         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 309                                        GTK_POLICY_AUTOMATIC,
 310                                        GTK_POLICY_AUTOMATIC);
 311
 312         model = gtk_tree_store_new(N_MIMEVIEW_COLS,
 313                                    G_TYPE_STRING,
 314                                    G_TYPE_STRING,
 315                                    G_TYPE_STRING,
 316                                    G_TYPE_POINTER);
 317
 318         ctree = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model));
 319         g_object_unref(model);
 320         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(ctree), FALSE);
 321         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(ctree),
 322                                         prefs_common.use_stripes_everywhere);
 323         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(ctree),
 324                                         prefs_common.show_col_headers);
 325
 326         renderer = gtk_cell_renderer_text_new();
 327         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 328                                         -1, titles[COL_MIMETYPE],renderer,
 329                                         "text", COL_MIMETYPE, NULL);
 330         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 331
 332         renderer = gtk_cell_renderer_text_new();
 333         gtk_cell_renderer_set_alignment(renderer, 1, 0.5);
 334         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 335                                         -1, titles[COL_SIZE], renderer,
 336                                         "text", COL_SIZE, NULL);
 337         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 338         gtk_tree_view_column_set_alignment(GTK_TREE_VIEW_COLUMN(column), 1);
 339
 340         renderer = gtk_cell_renderer_text_new();
 341         cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 342                                         -1, titles[COL_NAME], renderer,
 343                                         "text", COL_NAME, NULL);
 344         column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 345         gtk_tree_view_column_set_expand(GTK_TREE_VIEW_COLUMN(column), TRUE);
 346
 347         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(ctree));
 348         gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
 349
 350         gtk_widget_show(ctree);
 351         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 352         gtk_drag_source_set(ctree, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
 353                             mimeview_mime_types, 1, GDK_ACTION_COPY);
 354
 355         g_signal_connect(G_OBJECT(selection), "changed",
 356                          G_CALLBACK(mimeview_selected), mimeview);
 357         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 358                          G_CALLBACK(mimeview_button_pressed), mimeview);
 359         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 360                          G_CALLBACK(mimeview_key_pressed), mimeview);
 361         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 362                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 363
 364         mime_notebook = gtk_notebook_new();
 365         gtk_widget_show(mime_notebook);
 366         gtk_widget_set_can_focus(mime_notebook, FALSE);
 367         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 368         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 369
 370         icon_vbox = gtk_vbox_new(FALSE, 2);
 371         gtk_widget_show(icon_vbox);
 372         icon_scroll = gtk_layout_new(NULL, NULL);
 373         gtk_widget_show(icon_scroll);
 374         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 375         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 376         gtk_widget_show(scrollbutton);
 377
 378         g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
 379                          G_CALLBACK(mimeview_scrolled), mimeview);
 380
 381         mime_toggle = gtk_event_box_new();
 382         gtk_event_box_set_visible_window(GTK_EVENT_BOX(mime_toggle), FALSE);
 383
 384         g_signal_connect(G_OBJECT(mime_toggle), "motion-notify-event",
 385                          G_CALLBACK(mimeview_visi_notify), mimeview);
 386         g_signal_connect(G_OBJECT(mime_toggle), "leave-notify-event",
 387                          G_CALLBACK(mimeview_leave_notify), mimeview);
 388         g_signal_connect(G_OBJECT(mime_toggle), "enter-notify-event",
 389                          G_CALLBACK(mimeview_enter_notify), mimeview);
 390
 391         gtk_container_set_border_width(GTK_CONTAINER(mime_toggle), 2);
 392         gtk_widget_show(mime_toggle);
 393         mimeview->ctree_mode = FALSE;
 394         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 395         gtk_widget_show(arrow);
 396         gtk_widget_size_request(arrow, &r);
 397         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 398         g_signal_connect(G_OBJECT(mime_toggle), "button_release_event",
 399                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 400
 401         icon_mainbox = gtk_vbox_new(FALSE, 0);
 402         gtk_widget_show(icon_mainbox);
 403         gtk_widget_set_size_request(icon_mainbox, 32, -1);
 404         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 405         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 406         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 407         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 408                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 409
 410         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 411         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 412         g_signal_connect(G_OBJECT(ctree_mainbox), "size_allocate",
 413                          G_CALLBACK(ctree_size_allocate_cb), mimeview);
 414
 415         mimeview->ui_manager = gtk_ui_manager_new();
 416         mimeview->action_group = cm_menu_create_action_group_full(mimeview->ui_manager,
 417                         "MimeView", mimeview_menu_actions,
 418                         G_N_ELEMENTS(mimeview_menu_actions), (gpointer)mimeview);
 419
 420         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 421         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 422                         "/Menus/", "MimeView", "MimeView", GTK_UI_MANAGER_MENU);
 423         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 424                         "/Menus/MimeView/", "Open", "MimeView/Open",
 425                         GTK_UI_MANAGER_MENUITEM);
 426 #if (!defined G_OS_WIN32)
 427         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 428                         "/Menus/MimeView/", "OpenWith", "MimeView/OpenWith",
 429                         GTK_UI_MANAGER_MENUITEM);
 430 #endif
 431         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 432                         "/Menus/MimeView/", "Copy", "MimeView/Copy",
 433                         GTK_UI_MANAGER_MENUITEM);
 434         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 435                         "/Menus/MimeView/", "SendTo", "MimeView/SendTo",
 436                         GTK_UI_MANAGER_MENUITEM);
 437         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 438                         "/Menus/MimeView/", "DisplayAsText", "MimeView/DisplayAsText",
 439                         GTK_UI_MANAGER_MENUITEM);
 440         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 441                         "/Menus/MimeView/", "SaveAs", "MimeView/SaveAs",
 442                         GTK_UI_MANAGER_MENUITEM);
 443         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 444                         "/Menus/MimeView/", "SaveAll", "MimeView/SaveAll",
 445                         GTK_UI_MANAGER_MENUITEM);
 446         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 447                         "/Menus/MimeView/", "NextPart", "MimeView/NextPart",
 448                         GTK_UI_MANAGER_MENUITEM);
 449         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 450                         "/Menus/MimeView/", "PrevPart", "MimeView/PrevPart",
 451                         GTK_UI_MANAGER_MENUITEM);
 452
 453         popupmenu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 454                                 gtk_ui_manager_get_widget(mimeview->ui_manager, "/Menus/MimeView")) );
 455
 456
 457         vbox = gtk_vbox_new(FALSE, 0);
 458         gtk_widget_show(vbox);
 459         siginfoview = noticeview_create(mainwin);
 460         noticeview_hide(siginfoview);
 461         noticeview_set_icon_clickable(siginfoview, TRUE);
 462         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 463         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 464
 465         paned = gtk_vpaned_new();
 466         gtk_widget_show(paned);
 467         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 468         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 469
 470         hbox = gtk_hbox_new(FALSE, 0);
 471         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 472         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 473
 474         gtk_widget_show(hbox);
 475         gtk_widget_hide(ctree_mainbox);
 476 #ifdef GENERIC_UMPC
 477         gtk_widget_set_size_request(mime_toggle, -1, r.height + 8);
 478 #endif
 479         mimeview->hbox          = hbox;
 480         mimeview->paned         = paned;
 481         mimeview->scrolledwin   = scrolledwin;
 482         mimeview->ctree         = ctree;
 483         mimeview->mime_notebook = mime_notebook;
 484         mimeview->popupmenu     = popupmenu;
 485         mimeview->type          = -1;
 486         mimeview->ctree_mainbox = ctree_mainbox;
 487         mimeview->icon_scroll   = icon_scroll;
 488         mimeview->icon_vbox     = icon_vbox;
 489         mimeview->icon_mainbox  = icon_mainbox;
 490         mimeview->icon_count    = 0;
 491         mimeview->mainwin       = mainwin;
 492         mimeview->mime_toggle   = mime_toggle;
 493         mimeview->siginfoview   = siginfoview;
 494         mimeview->scrollbutton  = scrollbutton;
 495         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 496
 497         mimeviews = g_slist_prepend(mimeviews, mimeview);
 498
 499         return mimeview;
 500 }
 501
 502 void mimeview_init(MimeView *mimeview)
 503 {
 504         textview_init(mimeview->textview);
 505
 506         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 507                 GTK_WIDGET_PTR(mimeview->textview));
 508 }
 509
 510 static gboolean any_part_is_signed(MimeInfo *mimeinfo)
 511 {
 512         while (mimeinfo) {
 513                 if (privacy_mimeinfo_is_signed(mimeinfo))
 514                         return TRUE;
 515                 mimeinfo = procmime_mimeinfo_next(mimeinfo);
 516         }
 517
 518         return FALSE;
 519 }
 520
 521 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 522                            const gchar *file)
 523 {
 524         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
 525
 526         mimeview_clear(mimeview);
 527
 528         cm_return_if_fail(file != NULL);
 529         cm_return_if_fail(mimeinfo != NULL);
 530
 531         mimeview->mimeinfo = mimeinfo;
 532
 533         mimeview->file = g_strdup(file);
 534
 535         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 536                                         mimeview);
 537
 538         /* check if the mail's signed - it can change the mail structure */
 539
 540         if (any_part_is_signed(mimeinfo))
 541                 debug_print("signed mail\n");
 542
 543         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 544         gtk_tree_view_expand_all(ctree);
 545         icon_list_clear(mimeview);
 546         icon_list_create(mimeview, mimeinfo);
 547
 548         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 549                                           mimeview_selected, mimeview);
 550 }
 551
 552 #ifdef USE_PTHREAD
 553 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
 554 #endif
 555
 556 static void mimeview_free_mimeinfo(MimeView *mimeview)
 557 {
 558         gboolean defer = FALSE;
 559 #ifdef USE_PTHREAD
 560         defer = (mimeview->check_data != NULL);
 561         if (defer)
 562                 mimeview->check_data->free_after_use = TRUE;
 563 #endif
 564         if (mimeview->mimeinfo != NULL && !defer) {
 565                 procmime_mimeinfo_free_all(&mimeview->mimeinfo);
 566                 mimeview->mimeinfo = NULL;
 567         } else if (defer) {
 568 #ifdef USE_PTHREAD
 569                 debug_print("deferring free(mimeinfo) and cancelling check\n");
 570                 mimeview_check_sig_cancel_now(mimeview);
 571 #endif
 572         }
 573 }
 574
 575 void mimeview_destroy(MimeView *mimeview)
 576 {
 577         GSList *cur;
 578
 579         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 580                 MimeViewer *viewer = (MimeViewer *) cur->data;
 581                 viewer->destroy_viewer(viewer);
 582         }
 583         g_slist_free(mimeview->viewers);
 584         gtk_target_list_unref(mimeview->target_list);
 585
 586 #ifdef USE_PTHREAD
 587         if (mimeview->check_data) {
 588                 mimeview->check_data->destroy_mimeview = TRUE;
 589                 debug_print("deferring destroy\n");
 590         } else
 591 #endif
 592         {
 593                 mimeview_free_mimeinfo(mimeview);
 594                 gtk_tree_path_free(mimeview->opened);
 595                 g_free(mimeview->file);
 596                 g_free(mimeview);
 597                 mimeviews = g_slist_remove(mimeviews, mimeview);
 598         }
 599
 600 }
 601
 602 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 603 {
 604         return gtkut_tree_view_get_selected_pointer(
 605                         GTK_TREE_VIEW(mimeview->ctree), COL_DATA,
 606                         NULL, NULL, NULL);
 607 }
 608
 609 MimeInfo *mimeview_get_node_part(MimeView *mimeview, GtkTreePath *path)
 610 {
 611         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 612         GtkTreeIter iter;
 613         MimeInfo *partinfo;
 614
 615         gtk_tree_model_get_iter(model, &iter, path);
 616         gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 617         return partinfo;
 618 }
 619
 620 gboolean mimeview_tree_is_empty(MimeView *mimeview)
 621 {
 622         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 623         GtkTreeIter iter;
 624         return !gtk_tree_model_get_iter_first(model, &iter);
 625 }
 626
 627 static gboolean mimeview_tree_next(GtkTreeModel *model, GtkTreePath *path)
 628 {
 629         GtkTreeIter iter, parent;
 630         gboolean has_parent;
 631
 632         gtk_tree_model_get_iter(model, &iter, path);
 633
 634         if (gtk_tree_model_iter_has_child(model, &iter)) {
 635                 gtk_tree_path_down(path);
 636                 return TRUE;
 637         }
 638
 639         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 640
 641         if (!gtk_tree_model_iter_next(model, &iter)) {
 642                 while (has_parent) {
 643                         GtkTreeIter saved_parent = parent;
 644                         gtk_tree_path_up(path);
 645                         if (gtk_tree_model_iter_next(model, &parent)) {
 646                                 gtk_tree_path_next(path);
 647                                 return TRUE;
 648                         } else {
 649                                 has_parent = gtk_tree_model_iter_parent(model, &parent, &saved_parent);
 650                         }
 651                 }
 652
 653         } else {
 654                 gtk_tree_path_next(path);
 655                 return TRUE;
 656         }
 657
 658         return FALSE;
 659 }
 660
 661 static gboolean mimeview_tree_prev(MimeView *mimeview, GtkTreePath *path)
 662 {
 663         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 664         GtkTreeIter iter, child, parent;
 665         gboolean has_parent;
 666
 667         gtk_tree_model_get_iter(model, &iter, path);
 668         has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 669
 670         if (gtk_tree_path_prev(path)) {
 671                 gtk_tree_model_get_iter(model, &iter, path);
 672
 673                 if (gtk_tree_model_iter_nth_child(model, &child, &iter, 0)) {
 674                         gtk_tree_path_down(path);
 675
 676                         while (gtk_tree_model_iter_next(model, &child))
 677                                 gtk_tree_path_next(path);
 678                 }
 679
 680                 return TRUE;
 681         }
 682
 683         if (has_parent) {
 684                 gtk_tree_path_up(path);
 685                 return TRUE;
 686         }
 687
 688         return FALSE;
 689 }
 690
 691 gint mimeview_get_selected_part_num(MimeView *mimeview)
 692 {
 693         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 694         GtkTreeIter iter;
 695         GtkTreePath *path;
 696         gint i = 0;
 697
 698         if (!gtk_tree_model_get_iter_first(model, &iter))
 699                 return -1;
 700         path = gtk_tree_model_get_path(model, &iter);
 701
 702         do {
 703                 if (!gtk_tree_path_compare(mimeview->opened, path)) {
 704                         gtk_tree_path_free(path);
 705                         return i;
 706                 }
 707
 708                 i++;
 709         } while (mimeview_tree_next(model, path));
 710
 711         gtk_tree_path_free(path);
 712
 713         return -1;
 714 }
 715
 716 void mimeview_select_part_num(MimeView *mimeview, gint i)
 717 {
 718         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 719         GtkTreeIter iter;
 720         GtkTreePath *path;
 721         GtkTreeSelection *selection;
 722         gint x = 0;
 723
 724         if (i < 0)
 725                 return;
 726
 727         if (!gtk_tree_model_get_iter_first(model, &iter))
 728                 return;
 729         path = gtk_tree_model_get_path(model, &iter);
 730
 731         while (x != i) {
 732                 if (!mimeview_tree_next(model, path)) {
 733                         gtk_tree_path_free(path);
 734                         return;
 735                 }
 736                 x++;
 737         }
 738
 739         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 740         gtk_tree_selection_select_path(selection, path);
 741         gtk_tree_path_free(path);
 742 }
 743
 744 static void mimeview_set_multipart_tree(MimeView *mimeview,
 745                                         MimeInfo *mimeinfo,
 746                                         GtkTreeIter *parent)
 747 {
 748         GtkTreeStore *model = GTK_TREE_STORE(gtk_tree_view_get_model(
 749                                         GTK_TREE_VIEW(mimeview->ctree)));
 750         GtkTreeIter iter;
 751         gchar *content_type, *length, *name;
 752
 753         cm_return_if_fail(mimeinfo != NULL);
 754
 755         while (mimeinfo != NULL) {
 756                 if (mimeinfo->type != MIMETYPE_UNKNOWN && mimeinfo->subtype)
 757                         content_type = g_strdup_printf("%s/%s",
 758                                         procmime_get_media_type_str(mimeinfo->type),
 759                                         mimeinfo->subtype);
 760                 else
 761                         content_type = g_strdup("UNKNOWN");
 762
 763                 length = g_strdup(to_human_readable((goffset) mimeinfo->length));
 764
 765                 if (prefs_common.attach_desc)
 766                         name = g_strdup(get_part_description(mimeinfo));
 767                 else
 768                         name = g_strdup(get_part_name(mimeinfo));
 769
 770                 gtk_tree_store_append(model, &iter, parent);
 771                 gtk_tree_store_set(model, &iter,
 772                                 COL_MIMETYPE, content_type,
 773                                 COL_SIZE, length,
 774                                 COL_NAME, name,
 775                                 COL_DATA, mimeinfo, -1);
 776                 g_free(content_type);
 777                 g_free(length);
 778                 g_free(name);
 779
 780                 if (mimeinfo->node->children)
 781                         mimeview_set_multipart_tree(mimeview,
 782                                 (MimeInfo *) mimeinfo->node->children->data, &iter);
 783                 mimeinfo = mimeinfo->node->next != NULL ?
 784                                 (MimeInfo *) mimeinfo->node->next->data : NULL;
 785         }
 786 }
 787
 788 static const gchar *get_real_part_name(MimeInfo *partinfo)
 789 {
 790         const gchar *name = NULL;
 791
 792         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 793         if (name == NULL)
 794                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 795
 796         return name;
 797 }
 798
 799 static const gchar *get_part_name(MimeInfo *partinfo)
 800 {
 801         const gchar *name;
 802
 803         name = get_real_part_name(partinfo);
 804         if (name == NULL)
 805                 name = "";
 806
 807         return name;
 808 }
 809
 810 static const gchar *get_part_description(MimeInfo *partinfo)
 811 {
 812         if (partinfo->description)
 813                 return partinfo->description;
 814         else
 815                 return get_part_name(partinfo);
 816 }
 817
 818 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 819 {
 820         FILE *fp;
 821         const gchar *fname;
 822
 823         if (!partinfo) return;
 824
 825         fname = mimeview->file;
 826         if (!fname) return;
 827
 828         if ((fp = claws_fopen(fname, "rb")) == NULL) {
 829                 FILE_OP_ERROR(fname, "claws_fopen");
 830                 return;
 831         }
 832
 833         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 834                 FILE_OP_ERROR(mimeview->file, "fseek");
 835                 claws_fclose(fp);
 836                 return;
 837         }
 838
 839         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 840         textview_show_part(mimeview->textview, partinfo, fp);
 841
 842         claws_fclose(fp);
 843 }
 844
 845 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 846 {
 847         GSList *cur;
 848         MimeViewerFactory *factory = NULL;
 849         MimeViewer *viewer = NULL;
 850         gchar *real_contenttype = NULL, *tmp;
 851
 852         real_contenttype = g_utf8_strdown((gchar *)content_type, -1);
 853
 854         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 855                 MimeViewerFactory *curfactory = cur->data;
 856                 gint i = 0;
 857
 858                 while (curfactory->content_types[i] != NULL) {
 859                         tmp = g_utf8_strdown(curfactory->content_types[i], -1);
 860                         if (g_pattern_match_simple(tmp, real_contenttype)) {
 861                                 debug_print("%s\n", curfactory->content_types[i]);
 862                                 factory = curfactory;
 863                                 g_free(tmp);
 864                                 break;
 865                         }
 866                         g_free(tmp);
 867                         i++;
 868                 }
 869                 if (factory != NULL)
 870                         break;
 871         }
 872         g_free(real_contenttype);
 873         if (factory == NULL)
 874                 return NULL;
 875
 876         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 877                 MimeViewer *curviewer = cur->data;
 878
 879                 if (curviewer->factory == factory)
 880                         return curviewer;
 881         }
 882         viewer = factory->create_viewer();
 883         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 884                 GTK_WIDGET(viewer->get_widget(viewer)));
 885
 886         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 887
 888         return viewer;
 889 }
 890
 891 gboolean mimeview_has_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 892 {
 893         return (get_viewer_for_content_type(mimeview, content_type) != NULL);
 894 }
 895
 896 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 897 {
 898         gchar *content_type = NULL;
 899         MimeViewer *viewer = NULL;
 900
 901         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 902             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 903                 const gchar *filename;
 904
 905                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 906                 if (filename == NULL)
 907                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 908                 if (filename != NULL)
 909                         content_type = procmime_get_mime_type(filename);
 910         } else {
 911                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 912         }
 913
 914         if (content_type != NULL) {
 915                 viewer = get_viewer_for_content_type(mimeview, content_type);
 916                 g_free(content_type);
 917         }
 918
 919         return viewer;
 920 }
 921
 922 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 923 {
 924         MimeViewer *viewer;
 925
 926         if (mimeview->messageview->partial_display_shown) {
 927                 noticeview_hide(mimeview->messageview->noticeview);
 928                 mimeview->messageview->partial_display_shown = FALSE;
 929         }
 930
 931         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 932         if (viewer == NULL) {
 933                 if (mimeview->mimeviewer != NULL)
 934                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 935                 mimeview->mimeviewer = NULL;
 936                 return FALSE;
 937         }
 938
 939         if (mimeview->mimeviewer != NULL)
 940                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 941
 942         if (mimeview->mimeviewer != viewer)
 943                 mimeview->mimeviewer = viewer;
 944
 945         mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 946         viewer->mimeview = mimeview;
 947         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 948
 949         return TRUE;
 950 }
 951
 952 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 953 {
 954         TextView  *textview  = mimeview->textview;
 955         GtkWidget *focused = NULL;
 956
 957         if (mainwindow_get_mainwindow())
 958                 focused = gtkut_get_focused_child(
 959                                 GTK_CONTAINER(mainwindow_get_mainwindow()->window));
 960
 961         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 962             (mimeview->type == type)) return;
 963
 964         switch (type) {
 965         case MIMEVIEW_TEXT:
 966                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 967                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 968                         GTK_WIDGET_PTR(textview)));
 969                 break;
 970         case MIMEVIEW_VIEWER:
 971                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 972                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 973                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 974                 break;
 975         default:
 976                 return;
 977         }
 978         if (focused)
 979                 gtk_widget_grab_focus(focused);
 980         mimeview->type = type;
 981 }
 982
 983 void mimeview_clear(MimeView *mimeview)
 984 {
 985         GtkTreeModel *model;
 986
 987         if (!mimeview)
 988                 return;
 989
 990         if (g_slist_find(mimeviews, mimeview) == NULL)
 991                 return;
 992
 993         noticeview_hide(mimeview->siginfoview);
 994
 995         model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 996         gtk_tree_store_clear(GTK_TREE_STORE(model));
 997
 998         textview_clear(mimeview->textview);
 999         if (mimeview->mimeviewer != NULL)
1000                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
1001
1002         mimeview_free_mimeinfo(mimeview);
1003
1004         mimeview->mimeinfo = NULL;
1005
1006         gtk_tree_path_free(mimeview->opened);
1007         mimeview->opened = NULL;
1008
1009         g_free(mimeview->file);
1010         mimeview->file = NULL;
1011
1012         icon_list_clear(mimeview);
1013         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1014 }
1015
1016 gchar * get_message_check_signature_shortcut(MessageView *messageview) {
1017         GtkUIManager *ui_manager;
1018
1019         if (messageview->window != NULL)
1020                         ui_manager = messageview->ui_manager;
1021                 else
1022                         ui_manager = messageview->mainwin->ui_manager;
1023
1024         return cm_menu_item_get_shortcut(ui_manager, "Menu/Message/CheckSignature");
1025 }
1026
1027 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
1028 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
1029
1030 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
1031                                         gboolean special, SignatureStatus code)
1032 {
1033         gchar *text = NULL, *button_text = NULL;
1034         void  *func = NULL;
1035         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1036         SignatureStatus mycode = SIGNATURE_UNCHECKED;
1037
1038         cm_return_if_fail(mimeview != NULL);
1039         cm_return_if_fail(mimeinfo != NULL);
1040
1041         if (special)
1042                 mycode = code;
1043         else
1044                 mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
1045
1046         switch (mycode) {
1047         case SIGNATURE_UNCHECKED:
1048                 button_text = _("Check signature");
1049                 func = check_signature_cb;
1050                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
1051                 break;
1052         case SIGNATURE_OK:
1053                 button_text = _("View full information");
1054                 func = display_full_info_cb;
1055                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
1056                 break;
1057         case SIGNATURE_WARN:
1058                 button_text = _("View full information");
1059                 func = display_full_info_cb;
1060                 icon = STOCK_PIXMAP_PRIVACY_WARN;
1061                 break;
1062         case SIGNATURE_KEY_EXPIRED:
1063                 button_text = _("View full information");
1064                 func = display_full_info_cb;
1065                 icon = STOCK_PIXMAP_PRIVACY_EXPIRED;
1066                 break;
1067         case SIGNATURE_INVALID:
1068                 button_text = _("View full information");
1069                 func = display_full_info_cb;
1070                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
1071                 break;
1072         case SIGNATURE_CHECK_FAILED:
1073         case SIGNATURE_CHECK_TIMEOUT:
1074                 button_text = _("Check again");
1075                 func = check_signature_cb;
1076                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
1077                 break;
1078         default:
1079                 break;
1080         }
1081         if (mycode == SIGNATURE_UNCHECKED) {
1082                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
1083                 gchar *shortcut = get_message_check_signature_shortcut(mimeview->messageview);
1084
1085                 if (*shortcut == '\0')
1086                         text = g_strdup_printf(_("%s Click the icon to check it."), tmp);
1087                 else
1088                         text = g_strdup_printf(_("%s Click the icon or hit '%s' to check it."),
1089                                 tmp, shortcut);
1090                 g_free(tmp);
1091                 g_free(shortcut);
1092         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
1093                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
1094         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
1095                 gchar *shortcut = get_message_check_signature_shortcut(mimeview->messageview);
1096
1097                 if (*shortcut == '\0')
1098                         text = g_strdup(_("Timeout checking the signature. Click the icon to try again."));
1099                 else
1100                         text = g_strdup_printf(_("Timeout checking the signature. Click the icon or hit '%s' to try again."), shortcut);
1101                 g_free(shortcut);
1102         }
1103
1104         noticeview_set_text(mimeview->siginfoview, text);
1105         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
1106
1107         g_free(text);
1108         noticeview_set_button_text(mimeview->siginfoview, NULL);
1109         noticeview_set_button_press_callback(
1110                 mimeview->siginfoview,
1111                 G_CALLBACK(func),
1112                 (gpointer) mimeview);
1113         noticeview_set_icon(mimeview->siginfoview, icon);
1114         noticeview_set_tooltip(mimeview->siginfoview, button_text);
1115
1116         icon_list_clear(mimeview);
1117         icon_list_create(mimeview, mimeview->mimeinfo);
1118 }
1119
1120 #ifdef USE_PTHREAD
1121
1122 /* reset all thread stuff, and do the cleanups we've been left to do */
1123 static void mimeview_check_data_reset(MimeView *mimeview)
1124 {
1125         gboolean must_free;
1126         gboolean must_destroy;
1127
1128         if (!mimeview->check_data)
1129                 return;
1130
1131         must_free = mimeview->check_data->free_after_use;
1132         must_destroy = mimeview->check_data->destroy_mimeview;
1133
1134         if (mimeview->check_data->cancel_th_init) {
1135                 debug_print("killing canceller thread\n");
1136                 mimeview->check_data->cancel_th_init = FALSE;
1137                 pthread_cancel(mimeview->check_data->cancel_th);
1138         }
1139
1140         if (must_free) {
1141                 debug_print("freeing deferred mimeinfo\n");
1142                 procmime_mimeinfo_free_all(&mimeview->check_data->siginfo);
1143         }
1144
1145         g_free(mimeview->check_data);
1146         mimeview->check_data = NULL;
1147
1148         if (must_destroy) {
1149                 debug_print("freeing deferred mimeview\n");
1150                 mimeview_free_mimeinfo(mimeview);
1151                 gtk_tree_path_free(mimeview->opened);
1152                 g_free(mimeview->file);
1153                 g_free(mimeview);
1154                 mimeviews = g_slist_remove(mimeviews, mimeview);
1155         }
1156 }
1157
1158 /* GUI update once the checker thread is done or killed */
1159 static gboolean mimeview_check_sig_thread_cb(void *data)
1160 {
1161         MimeView *mimeview = (MimeView *) data;
1162         MimeInfo *mimeinfo = mimeview->siginfo;
1163
1164         debug_print("mimeview_check_sig_thread_cb\n");
1165
1166         if (mimeinfo == NULL) {
1167                 /* message changed !? */
1168                 g_warning("no more siginfo!");
1169                 goto end;
1170         }
1171
1172         if (!mimeview->check_data) {
1173                 g_warning("nothing to check");
1174                 return FALSE;
1175         }
1176
1177         if (mimeview->check_data->siginfo != mimeinfo) {
1178                 /* message changed !? */
1179                 g_warning("different siginfo!");
1180                 goto end;
1181         }
1182
1183         if (mimeview->check_data->destroy_mimeview ||
1184             mimeview->check_data->free_after_use) {
1185                 debug_print("not bothering, we're changing message\n");
1186                 goto end;
1187         }
1188
1189         /* update status */
1190         if (mimeview->check_data->timeout)
1191                 update_signature_noticeview(mimeview, mimeview->siginfo,
1192                         TRUE, SIGNATURE_CHECK_TIMEOUT);
1193         else
1194                 update_signature_noticeview(mimeview, mimeview->siginfo,
1195                         FALSE, 0);
1196
1197 end:
1198         mimeview_check_data_reset(mimeview);
1199         return FALSE;
1200 }
1201
1202 /* sig checker thread */
1203 static void *mimeview_check_sig_worker_thread(void *data)
1204 {
1205         MimeView *mimeview = (MimeView *)data;
1206         MimeInfo *mimeinfo = mimeview->siginfo;
1207
1208         debug_print("checking...\n");
1209
1210         if (!mimeview->check_data)
1211                 return NULL;
1212
1213         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo) {
1214                 privacy_mimeinfo_check_signature(mimeinfo);
1215                 if (mimeview->check_data && mimeview->check_data->cancel_th_init) {
1216                         mimeview->check_data->cancel_th_init = FALSE;
1217                         pthread_cancel(mimeview->check_data->cancel_th);
1218                 }
1219         } else {
1220                 /* that's strange! we changed message without
1221                  * getting killed. */
1222                 g_warning("different siginfo!");
1223                 mimeview_check_data_reset(mimeview);
1224                 return NULL;
1225         }
1226
1227         /* use g_timeout so that GUI updates is done from the
1228          * correct thread */
1229         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1230
1231         return NULL;
1232 }
1233
1234 /* killer thread - acts when the checker didn't work fast
1235  * enough. */
1236 static void *mimeview_check_sig_cancel_thread(void *data)
1237 {
1238         MimeView *mimeview = (MimeView *)data;
1239
1240         if (!mimeview->check_data)
1241                 return NULL; /* nothing to kill ! */
1242
1243         /* wait for a few seconds... */
1244         debug_print("waiting a while\n");
1245
1246         g_usleep(5 * 1000 * 1000);
1247
1248         if (!mimeview->check_data)
1249                 return NULL; /* nothing to kill, it's done in time :) */
1250
1251         /* too late, go away checker thread */
1252         debug_print("killing checker thread\n");
1253         if (mimeview->check_data->th_init) {
1254                 mimeview->check_data->th_init = FALSE;
1255                 pthread_cancel(mimeview->check_data->th);
1256         }
1257
1258         /* tell upstream it was a timeout */
1259         mimeview->check_data->timeout = TRUE;
1260         /* use g_timeout so that GUI updates is done from the
1261          * correct thread */
1262         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1263
1264         return NULL;
1265 }
1266
1267 /* get rid of the checker thread right now - used when changing the
1268  * displayed message for example. */
1269 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
1270 {
1271         if (!mimeview->check_data)
1272                 return;
1273         debug_print("killing checker thread NOW\n");
1274         if (mimeview->check_data->th_init) {
1275                 mimeview->check_data->th_init = FALSE;
1276                 pthread_cancel(mimeview->check_data->th);
1277         }
1278
1279         /* tell upstream it was a timeout */
1280         mimeview->check_data->timeout = TRUE;
1281         mimeview_check_sig_thread_cb(mimeview);
1282         return;
1283 }
1284
1285 /* creates a thread to check the signature, and a second one
1286  * to kill the first one after a timeout */
1287 static void mimeview_check_sig_in_thread(MimeView *mimeview)
1288 {
1289         pthread_t th, th2;
1290         pthread_attr_t detach, detach2;
1291
1292         if (mimeview->check_data) {
1293                 g_warning("already checking it");
1294                 return;
1295         }
1296
1297         mimeview->check_data = g_new0(SigCheckData, 1);
1298         mimeview->check_data->siginfo = mimeview->siginfo;
1299         debug_print("creating thread\n");
1300
1301         /* init thread attributes and create the checker thread */
1302         if (pthread_attr_init(&detach) != 0 ||
1303             pthread_attr_setdetachstate(&detach, PTHREAD_CREATE_DETACHED) != 0 ||
1304             pthread_attr_init(&detach2) != 0 ||
1305             pthread_attr_setdetachstate(&detach2, PTHREAD_CREATE_DETACHED) != 0 ||
1306             pthread_create(&th, &detach,
1307                         mimeview_check_sig_worker_thread,
1308                         mimeview) != 0) {
1309                 /* arh. We'll do it synchronously. */
1310                 g_warning("can't create checked thread");
1311                 g_free(mimeview->check_data);
1312                 mimeview->check_data = NULL;
1313                 return;
1314         } else {
1315                 mimeview->check_data->th = th;
1316                 mimeview->check_data->th_init = TRUE;
1317         }
1318
1319         /* create the killer thread */
1320         if (pthread_create(&th2, &detach2,
1321                         mimeview_check_sig_cancel_thread,
1322                         mimeview) != 0) {
1323                 g_warning("can't create killer thread");
1324                 g_free(mimeview->check_data);
1325                 mimeview->check_data = NULL;
1326                 return;
1327         } else {
1328                 mimeview->check_data->cancel_th = th2;
1329                 mimeview->check_data->cancel_th_init = TRUE;
1330         }
1331 }
1332 #endif
1333
1334 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
1335 {
1336         MimeView *mimeview = (MimeView *) user_data;
1337         MimeInfo *mimeinfo = mimeview->siginfo;
1338
1339         if (mimeinfo == NULL)
1340                 return;
1341 #ifdef USE_PTHREAD
1342         if (mimeview->check_data)
1343                 return;
1344 #endif
1345         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
1346         GTK_EVENTS_FLUSH();
1347 #ifdef USE_PTHREAD
1348         /* let's do it non-blocking */
1349         mimeview_check_sig_in_thread(mimeview);
1350         if (!mimeview->check_data) /* let's check syncronously */
1351 #endif
1352         {
1353                 debug_print("checking without thread\n");
1354                 privacy_mimeinfo_check_signature(mimeinfo);
1355                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
1356         }
1357 }
1358
1359 void mimeview_check_signature(MimeView *mimeview)
1360 {
1361         check_signature_cb(NULL, mimeview);
1362 }
1363
1364 static void redisplay_email(GtkWidget *widget, gpointer user_data)
1365 {
1366         MimeView *mimeview = (MimeView *) user_data;
1367         gtk_tree_path_free(mimeview->opened);
1368         mimeview->opened = NULL;
1369         mimeview_selected(gtk_tree_view_get_selection(
1370                         GTK_TREE_VIEW(mimeview->ctree)), mimeview);
1371 }
1372
1373 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
1374 {
1375         MimeView *mimeview = (MimeView *) user_data;
1376         gchar *siginfo;
1377
1378         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
1379         textview_set_text(mimeview->textview, siginfo);
1380         g_free(siginfo);
1381         noticeview_set_button_text(mimeview->siginfoview, NULL);
1382         noticeview_set_button_press_callback(
1383                 mimeview->siginfoview,
1384                 G_CALLBACK(redisplay_email),
1385                 (gpointer) mimeview);
1386         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1387 }
1388
1389 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1390 {
1391         MimeInfo *siginfo;
1392         MimeInfo *first_text;
1393
1394         cm_return_if_fail(mimeview != NULL);
1395         cm_return_if_fail(selected != NULL);
1396
1397         if (selected->type == MIMETYPE_MESSAGE
1398         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1399                 /* if the first text part is signed, check that */
1400                 first_text = selected;
1401                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1402                         first_text = procmime_mimeinfo_next(first_text);
1403                 }
1404                 if (first_text) {
1405                         update_signature_info(mimeview, first_text);
1406                         return;
1407                 }
1408         }
1409
1410         siginfo = selected;
1411         while (siginfo != NULL) {
1412                 if (privacy_mimeinfo_is_signed(siginfo))
1413                         break;
1414                 siginfo = procmime_mimeinfo_parent(siginfo);
1415         }
1416         mimeview->siginfo = siginfo;
1417
1418         /* This shortcut boolean is there to correctly set the menu's
1419          * CheckSignature item sensitivity without killing performance
1420          * each time the menu sensitiveness is updated (a lot).
1421          */
1422         mimeview->signed_part = (siginfo != NULL);
1423
1424         if (siginfo == NULL) {
1425                 noticeview_hide(mimeview->siginfoview);
1426                 return;
1427         }
1428
1429         update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1430         noticeview_show(mimeview->siginfoview);
1431 }
1432
1433 static void mimeview_selected(GtkTreeSelection *selection, MimeView *mimeview)
1434 {
1435         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1436         GtkTreeModel *model;
1437         GtkTreeIter iter;
1438         GtkTreePath *path;
1439         MimeInfo *partinfo;
1440         MainWindow *mainwin;
1441
1442         selection = gtk_tree_view_get_selection(ctree);
1443         if (!gtk_tree_selection_get_selected(selection, &model, &iter))
1444                 return;
1445
1446         path = gtk_tree_model_get_path(model, &iter);
1447
1448         if (mimeview->opened && !gtk_tree_path_compare(mimeview->opened, path)) {
1449                 gtk_tree_path_free(path);
1450                 return;
1451         }
1452
1453         gtk_tree_path_free(mimeview->opened);
1454         mimeview->opened = path;
1455         mimeview->spec_part = NULL;
1456         gtk_tree_view_scroll_to_cell(ctree, path, NULL, TRUE, 0.5, 0);
1457
1458         partinfo = mimeview_get_node_part(mimeview, path);
1459         if (!partinfo) return;
1460
1461         /* ungrab the mouse event */
1462         if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
1463                 gtk_grab_remove(GTK_WIDGET(ctree));
1464                 if (gdk_pointer_is_grabbed())
1465                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1466         }
1467
1468         mimeview->textview->default_text = FALSE;
1469
1470         update_signature_info(mimeview, partinfo);
1471
1472         if (!mimeview_show_part(mimeview, partinfo)) {
1473                 switch (partinfo->type) {
1474                 case MIMETYPE_TEXT:
1475                 case MIMETYPE_MESSAGE:
1476                 case MIMETYPE_MULTIPART:
1477                         mimeview_show_message_part(mimeview, partinfo);
1478
1479                         break;
1480                 default:
1481                         mimeview->textview->default_text = TRUE;
1482                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1483                         textview_clear(mimeview->textview);
1484                         textview_show_mime_part(mimeview->textview, partinfo);
1485                         break;
1486                 }
1487         }
1488         mainwin = mainwindow_get_mainwindow();
1489         if (mainwin)
1490                 main_window_set_menu_sensitive(mainwin);
1491
1492         if (mimeview->siginfo && privacy_auto_check_signatures(mimeview->siginfo)
1493         &&  privacy_mimeinfo_get_sig_status(mimeview->siginfo) == SIGNATURE_UNCHECKED) {
1494                 mimeview_check_signature(mimeview);
1495         }
1496 }
1497
1498 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1499                                     MimeView *mimeview)
1500 {
1501         GtkTreeSelection *selection;
1502         GtkTreeIter iter;
1503
1504         if (!event) return FALSE;
1505
1506         if (event->button == 2 || event->button == 3) {
1507                 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
1508                 if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
1509                         return FALSE;
1510
1511                 gtk_tree_selection_select_iter(selection, &iter);
1512         }
1513         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1514
1515         return FALSE;
1516 }
1517
1518 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1519                                     MimeView *mimeview)
1520 {
1521         GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1522         if (event->direction == GDK_SCROLL_UP) {
1523                 scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1524         } else {
1525                 scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1526         }
1527         gtk_vscrollbutton_scroll(scrollbutton);
1528         return TRUE;
1529 }
1530
1531 #include "gdk/gdkscreen.h"
1532 /* from gdkevents.c */
1533 #define DOUBLE_CLICK_TIME 250
1534
1535 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1536                                     MimeInfo *partinfo)
1537 {
1538         static MimeInfo *lastinfo;
1539         static guint32 lasttime;
1540
1541         gint double_click_time;
1542         g_object_get(gtk_settings_get_default(), "gtk-double-click-time", &double_click_time, NULL);
1543
1544         if (event->button == 2 ||
1545             (event->button == 1 && (event->time - lasttime) < double_click_time && lastinfo == partinfo)) {
1546                 /* call external program for image, audio or html */
1547                 mimeview_launch(mimeview, partinfo);
1548                 return TRUE;
1549         } else if (event->button == 3) {
1550                 MainWindow *mainwin = mainwindow_get_mainwindow();
1551
1552                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1553                                  partinfo->type == MIMETYPE_IMAGE ||
1554                                  partinfo->type == MIMETYPE_MULTIPART))
1555                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", FALSE);
1556                 else
1557                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", TRUE);
1558
1559                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1560                                  partinfo->type == MIMETYPE_IMAGE ||
1561                                  partinfo->type == MIMETYPE_TEXT))
1562                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Copy", TRUE);
1563                 else
1564                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Copy", FALSE);
1565 #ifndef G_OS_WIN32
1566                 if (partinfo &&
1567                     partinfo->type == MIMETYPE_APPLICATION &&
1568                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
1569                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", FALSE);
1570                 else
1571 #endif
1572                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", TRUE);
1573                 if (mainwin)
1574                         main_window_set_menu_sensitive(mainwin);
1575                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1576                                   "pop_partinfo", partinfo);
1577
1578                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1579                                NULL, NULL, NULL, NULL,
1580                                event->button, event->time);
1581                 return TRUE;
1582         }
1583
1584         lastinfo = partinfo;
1585         lasttime = event->time;
1586         return FALSE;
1587 }
1588
1589
1590 gboolean mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1591 {
1592         return mimeview_key_pressed(mimeview->ctree, event, mimeview);
1593 }
1594
1595 void mimeview_select_next_part(MimeView *mimeview)
1596 {
1597         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1598         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1599         GtkTreeSelection *selection;
1600         GtkTreeIter iter;
1601         GtkTreePath *path;
1602         MimeInfo *partinfo = NULL;
1603         gboolean has_next;
1604
1605         if (!mimeview->opened) return;
1606
1607         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1608         path = gtk_tree_model_get_path(model, &iter);
1609 skip:
1610         has_next = mimeview_tree_next(model, path);
1611         if (!has_next) {
1612                 has_next = gtk_tree_model_get_iter_first(model, &iter);
1613                 gtk_tree_path_free(path);
1614                 path = gtk_tree_model_get_path(model, &iter);
1615         }
1616
1617         if (has_next) {
1618                 partinfo = mimeview_get_node_part(mimeview, path);
1619                 if (partinfo->type == MIMETYPE_MULTIPART ||
1620                     (!prefs_common.show_inline_attachments && partinfo->id))
1621                         goto skip;
1622                 selection = gtk_tree_view_get_selection(ctree);
1623                 gtk_tree_selection_select_path(selection, path);
1624                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1625         }
1626
1627         gtk_tree_path_free(path);
1628 }
1629
1630 void mimeview_select_prev_part(MimeView *mimeview)
1631 {
1632         GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
1633         GtkTreeModel *model = gtk_tree_view_get_model(ctree);
1634         GtkTreeSelection *selection;
1635         GtkTreeIter iter;
1636         GtkTreePath *path;
1637         MimeInfo *partinfo = NULL;
1638         gboolean has_prev;
1639
1640         if (!mimeview->opened) return;
1641
1642         gtk_tree_model_get_iter(model, &iter, mimeview->opened);
1643         path = gtk_tree_model_get_path(model, &iter);
1644 skip:
1645         has_prev = mimeview_tree_prev(mimeview, path);
1646         if (!has_prev) {
1647                 while (mimeview_tree_next(model, path)) {}
1648                 has_prev = TRUE;
1649         }
1650
1651         if (has_prev) {
1652                 partinfo = mimeview_get_node_part(mimeview, path);
1653                 if (partinfo->type == MIMETYPE_MULTIPART ||
1654                     (!prefs_common.show_inline_attachments && partinfo->id))
1655                         goto skip;
1656                 selection = gtk_tree_view_get_selection(ctree);
1657                 gtk_tree_selection_select_path(selection, path);
1658                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1659         }
1660
1661         gtk_tree_path_free(path);
1662 }
1663
1664 #define BREAK_ON_MODIFIER_KEY() \
1665         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1666
1667 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1668                                  MimeView *mimeview)
1669 {
1670         SummaryView *summaryview;
1671
1672         if (!event) return FALSE;
1673         if (!mimeview->opened) return FALSE;
1674
1675         summaryview = mimeview->messageview->mainwin->summaryview;
1676
1677         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1678                 return FALSE;
1679
1680         switch (event->keyval) {
1681         case GDK_KEY_Home:
1682         case GDK_KEY_End:
1683                 textview_scroll_max(mimeview->textview,
1684                                     (event->keyval == GDK_KEY_Home));
1685                 return TRUE;
1686         case GDK_KEY_Page_Down:
1687         case GDK_KEY_space:
1688                 if (mimeview_scroll_page(mimeview,
1689                                          (event->state & GDK_SHIFT_MASK) != 0))
1690                         return TRUE;
1691
1692                 if (!(event->state & GDK_SHIFT_MASK))
1693                         mimeview_select_next_part(mimeview);
1694                 return TRUE;
1695         case GDK_KEY_Page_Up:
1696         case GDK_KEY_BackSpace:
1697                 mimeview_scroll_page(mimeview, TRUE);
1698                 return TRUE;
1699         case GDK_KEY_Return:
1700         case GDK_KEY_KP_Enter:
1701                 mimeview_scroll_one_line(mimeview,
1702                                          (event->state & GDK_MOD1_MASK) != 0);
1703                 return TRUE;
1704         case GDK_KEY_Up:
1705         case GDK_KEY_Down:
1706                 mimeview_scroll_one_line(mimeview, (event->keyval == GDK_KEY_Up));
1707                 return TRUE;
1708         default:
1709                 break;
1710         }
1711
1712         if (mimeview->messageview->new_window) return FALSE;
1713
1714         return summary_pass_key_press_event(summaryview, event);
1715 }
1716
1717 static void mimeview_drag_data_get(GtkWidget        *widget,
1718                                    GdkDragContext   *drag_context,
1719                                    GtkSelectionData *selection_data,
1720                                    guint             info,
1721                                    guint             time,
1722                                    MimeView         *mimeview)
1723 {
1724         gchar *filename = NULL, *uriname, *tmp;
1725         MimeInfo *partinfo;
1726         gint err;
1727         gint count = 0;
1728
1729         if (!mimeview->opened) return;
1730         if (!mimeview->file) return;
1731
1732         partinfo = mimeview_get_selected_part(mimeview);
1733         if (!partinfo) return;
1734
1735         if (strlen(get_part_name(partinfo)) > 0) {
1736                 filename = g_path_get_basename(get_part_name(partinfo));
1737                 if (*filename == '\0') return;
1738         } else if (partinfo->type == MIMETYPE_MESSAGE
1739                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1740                 gchar *name = NULL;
1741                 GPtrArray *headers = NULL;
1742                 FILE *fp;
1743
1744                 fp = claws_fopen(partinfo->data.filename, "rb");
1745                 if (fp != NULL && fseek(fp, partinfo->offset, SEEK_SET) == 0) {
1746                         headers = procheader_get_header_array_asis(fp);
1747                         if (headers) {
1748                                 gint i;
1749                                 for (i = 0; i < headers->len; i++) {
1750                                         Header *header = g_ptr_array_index(headers, i);
1751                                         if (procheader_headername_equal(header->name, "Subject")) {
1752                                                 unfold_line(header->body);
1753                                                 name = g_strconcat(header->body, ".txt", NULL);
1754                                                 subst_for_filename(name);
1755                                         }
1756                                 }
1757                                 procheader_header_array_destroy(headers);
1758                         }
1759                 }
1760                 if (fp != NULL)
1761                         claws_fclose(fp);
1762                 if (name)
1763                         filename = g_path_get_basename(name);
1764                 g_free(name);
1765         }
1766         if (filename == NULL)
1767                 filename = g_path_get_basename("Unnamed part");
1768
1769         if (!g_utf8_validate(filename, -1, NULL))
1770                 tmp = conv_codeset_strdup(filename,
1771                                 conv_get_locale_charset_str(),
1772                                 CS_UTF_8);
1773         else
1774                 tmp = g_strdup(filename);
1775
1776         if (tmp == NULL) {
1777                 g_warning("filename not in UTF-8");
1778                 tmp = g_strdup("Unnamed part");
1779         }
1780         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1781                                tmp, NULL);
1782
1783 check_new_file:
1784         if (is_file_exist(filename)) {
1785                 gchar *ext = NULL;
1786                 gchar *prefix = NULL;
1787                 gchar *new_name = NULL;
1788                 if (strrchr(tmp, '.')) {
1789                         prefix = g_strdup(tmp);
1790                         ext = g_strdup(strrchr(tmp, '.'));
1791                         *(strrchr(prefix, '.')) = '\0';
1792                 } else {
1793                         prefix = g_strdup(tmp);
1794                         ext = g_strdup("");
1795                 }
1796                 count++;
1797                 new_name = g_strdup_printf("%s.%d%s", prefix, count, ext);
1798                 g_free(prefix);
1799                 g_free(ext);
1800                 g_free(filename);
1801                 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1802                                new_name, NULL);
1803                 g_free(new_name);
1804                 goto check_new_file;
1805         }
1806
1807         g_free(tmp);
1808
1809         if ((err = procmime_get_part(filename, partinfo)) < 0)
1810                 alertpanel_error
1811                         (_("Couldn't save the part of multipart message: %s"),
1812                                 g_strerror(-err));
1813
1814         tmp = g_filename_to_uri(filename, NULL, NULL);
1815         uriname = g_strconcat(tmp, "\r\n", NULL);
1816         g_free(tmp);
1817
1818         gtk_selection_data_set(selection_data,
1819                    gtk_selection_data_get_target(selection_data), 8,
1820                                (guchar *)uriname, strlen(uriname));
1821
1822         g_free(uriname);
1823         g_free(filename);
1824 }
1825
1826 /**
1827  * Returns a filename (with path) for an attachment
1828  * \param partinfo The attachment to save
1829  * \param basedir The target directory
1830  * \param number Used for dummy filename if attachment is unnamed
1831  */
1832 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1833                                       const gchar *basedir,
1834                                       gint number)
1835 {
1836         gchar *fullname;
1837         gchar *filename;
1838
1839         filename = g_strdup(get_part_name(partinfo));
1840         if (!filename || !*filename) {
1841                 g_free(filename);
1842                 filename = g_strdup_printf("noname.%d", number);
1843         }
1844
1845         if (!g_utf8_validate(filename, -1, NULL)) {
1846                 gchar *tmp = conv_filename_to_utf8(filename);
1847                 g_free(filename);
1848                 filename = tmp;
1849         }
1850
1851         subst_for_filename(filename);
1852
1853         fullname = g_strconcat
1854                 (basedir, G_DIR_SEPARATOR_S, (g_path_is_absolute(filename))
1855                  ? &filename[1] : filename, NULL);
1856
1857         g_free(filename);
1858         filename = conv_filename_from_utf8(fullname);
1859         g_free(fullname);
1860         return filename;
1861 }
1862
1863 /**
1864  * Write a single attachment to file
1865  * \param filename Filename with path
1866  * \param partinfo Attachment to save
1867  */
1868 static gboolean mimeview_write_part(const gchar *filename,
1869                                     MimeInfo *partinfo,
1870                                     gboolean handle_error)
1871 {
1872         gchar *dir;
1873         gint err;
1874
1875         dir= g_path_get_dirname(filename);
1876         if (!is_dir_exist(dir))
1877                 make_dir_hier(dir);
1878         g_free(dir);
1879
1880         if (is_file_exist(filename)) {
1881                 AlertValue aval;
1882                 gchar *res;
1883                 gchar *tmp;
1884
1885                 if (!g_utf8_validate(filename, -1, NULL))
1886                         tmp = conv_filename_to_utf8(filename);
1887                 else
1888                         tmp = g_strdup(filename);
1889
1890                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1891                                       tmp);
1892                 g_free(tmp);
1893                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1894                                   GTK_STOCK_OK, NULL, ALERTFOCUS_FIRST);
1895                 g_free(res);
1896                 if (G_ALERTALTERNATE != aval) return FALSE;
1897         }
1898
1899         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1900                 debug_print("error saving MIME part: %d\n", err);
1901                 if (handle_error)
1902                         alertpanel_error
1903                                 (_("Couldn't save the part of multipart message: %s"),
1904                                  g_strerror(-err));
1905                 return FALSE;
1906         }
1907
1908         return TRUE;
1909 }
1910
1911 static AlertValue mimeview_save_all_error_ask(gint n)
1912 {
1913         gchar *message = g_strdup_printf(
1914                 _("An error has occurred while saving message part #%d. "
1915                 "Do you want to cancel operation or skip error and "
1916                 "continue?"), n);
1917         AlertValue av = alertpanel_full(_("Error saving all message parts"),
1918                 message, GTK_STOCK_CANCEL, _("Skip"), _("Skip all"),
1919                 ALERTFOCUS_FIRST, FALSE, NULL, ALERT_WARNING);
1920         g_free(message);
1921         return av;
1922 }
1923
1924 static void mimeview_save_all_info(gint errors, gint total)
1925 {
1926         if (!errors) {
1927                 gchar *msg = g_strdup_printf(
1928                                 ngettext("%d file saved successfully.",
1929                                         "%d files saved successfully.",
1930                                         total),
1931                                 total);
1932                 alertpanel_notice("%s", msg);
1933                 g_free(msg);
1934         } else {
1935                 gchar *msg1 = g_strdup_printf(
1936                                 ngettext("%d file saved successfully",
1937                                         "%d files saved successfully",
1938                                         total - errors),
1939                                 total - errors);
1940                 gchar *msg2 = g_strdup_printf(
1941                                 ngettext("%s, %d file failed.",
1942                                         "%s, %d files failed.",
1943                                         errors),
1944                                 msg1, errors);
1945                 alertpanel_warning("%s", msg2);
1946                 g_free(msg2);
1947                 g_free(msg1);
1948         }
1949 }
1950
1951 /**
1952  * Menu callback: Save all attached files
1953  * \param mimeview Current display
1954  */
1955 static void mimeview_save_all(MimeView *mimeview)
1956 {
1957         MimeInfo *partinfo;
1958         gchar *dirname;
1959         gchar *startdir = NULL;
1960         gint number = 1, errors = 0;
1961         gboolean skip_errors = FALSE;
1962
1963         if (!mimeview->opened) return;
1964         if (!mimeview->file) return;
1965         if (!mimeview->mimeinfo) return;
1966
1967         partinfo = mimeview->mimeinfo;
1968         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1969                 startdir = g_strconcat(prefs_common.attach_save_dir, G_DIR_SEPARATOR_S, NULL);
1970         else
1971                 startdir = g_strdup(get_home_dir());
1972
1973         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
1974         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1975         if (!dirname) {
1976                 g_free(startdir);
1977                 return;
1978         }
1979
1980         if (!is_dir_exist (dirname)) {
1981                 alertpanel_error(_("'%s' is not a directory."), dirname);
1982                 g_free(startdir);
1983                 g_free(dirname);
1984                 return;
1985         }
1986
1987         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1988                 dirname[strlen(dirname)-1] = '\0';
1989
1990         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1991         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1992                 partinfo = procmime_mimeinfo_next(partinfo);
1993         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1994                 partinfo = procmime_mimeinfo_next(partinfo);
1995                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1996                         partinfo = procmime_mimeinfo_next(partinfo);
1997         }
1998
1999         while (partinfo != NULL) {
2000                 if (partinfo->type != MIMETYPE_MESSAGE &&
2001                     partinfo->type != MIMETYPE_MULTIPART &&
2002                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
2003                      || get_real_part_name(partinfo) != NULL)) {
2004                         gchar *filename = mimeview_get_filename_for_part(
2005                                 partinfo, dirname, number++);
2006
2007                         gboolean ok = mimeview_write_part(filename, partinfo, FALSE);
2008                         g_free(filename);
2009                         if (!ok) {
2010                                 ++errors;
2011                                 if (!skip_errors) {
2012                                         AlertValue av = mimeview_save_all_error_ask(number - 1);
2013                                         skip_errors = (av == G_ALERTOTHER);
2014                                         if (av == G_ALERTDEFAULT) /* cancel */
2015                                                 break;
2016                                 }
2017                         }
2018                 }
2019                 partinfo = procmime_mimeinfo_next(partinfo);
2020         }
2021
2022         g_free(prefs_common.attach_save_dir);
2023         g_free(startdir);
2024         prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
2025                                         -1, NULL, NULL, NULL);
2026         g_free(dirname);
2027
2028         mimeview_save_all_info(errors, number - 1);
2029 }
2030
2031 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
2032 {
2033         MimeInfo *partinfo = NULL;
2034         if (mimeview->spec_part) {
2035                 partinfo = mimeview->spec_part;
2036                 mimeview->spec_part = NULL;
2037         } else {
2038                 partinfo = (MimeInfo *) g_object_get_data
2039                          (G_OBJECT(mimeview->popupmenu),
2040                          "pop_partinfo");
2041                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
2042                                   "pop_partinfo", NULL);
2043                 if (!partinfo) {
2044                         partinfo = mimeview_get_selected_part(mimeview);
2045                 }
2046         }
2047
2048         return partinfo;
2049 }
2050 /**
2051  * Menu callback: Save the selected attachment
2052  * \param mimeview Current display
2053  */
2054 void mimeview_save_as(MimeView *mimeview)
2055 {
2056         gchar *filename;
2057         gchar *filepath = NULL;
2058         gchar *filedir = NULL;
2059         MimeInfo *partinfo;
2060         gchar *partname = NULL;
2061
2062         if (!mimeview->opened) return;
2063         if (!mimeview->file) return;
2064
2065         partinfo = mimeview_get_part_to_use(mimeview);
2066
2067         cm_return_if_fail(partinfo != NULL);
2068
2069         if (get_part_name(partinfo) == NULL) {
2070                 return;
2071         }
2072         partname = g_strdup(get_part_name(partinfo));
2073
2074         if (!g_utf8_validate(partname, -1, NULL)) {
2075                 gchar *tmp = conv_filename_to_utf8(partname);
2076                 if (!tmp) {
2077                         tmp = conv_codeset_strdup(partname,
2078                                 conv_get_locale_charset_str(),
2079                                 CS_UTF_8);
2080                 }
2081                 if (tmp) {
2082                         g_free(partname);
2083                         partname = tmp;
2084                 }
2085         }
2086
2087         subst_for_filename(partname);
2088
2089         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
2090                 filepath = g_strconcat(prefs_common.attach_save_dir,
2091                                        G_DIR_SEPARATOR_S, partname, NULL);
2092         else
2093                 filepath = g_strdup(partname);
2094
2095         g_free(partname);
2096
2097         manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
2098         filename = filesel_select_file_save(_("Save as"), filepath);
2099         if (!filename) {
2100                 g_free(filepath);
2101                 return;
2102         }
2103
2104         mimeview_write_part(filename, partinfo, TRUE);
2105
2106         filedir = g_path_get_dirname(filename);
2107         if (filedir && strcmp(filedir, ".")) {
2108                 g_free(prefs_common.attach_save_dir);
2109                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
2110         }
2111
2112         g_free(filedir);
2113         g_free(filepath);
2114 }
2115
2116 void mimeview_display_as_text(MimeView *mimeview)
2117 {
2118         MimeInfo *partinfo;
2119
2120         if (!mimeview->opened) return;
2121
2122         partinfo = mimeview_get_part_to_use(mimeview);
2123         mimeview_select_mimepart_icon(mimeview, partinfo);
2124         cm_return_if_fail(partinfo != NULL);
2125         mimeview_show_message_part(mimeview, partinfo);
2126 }
2127
2128 void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
2129 {
2130         gchar *filename;
2131         gint err;
2132
2133         if (!mimeview->opened) return;
2134         if (!mimeview->file) return;
2135
2136         if (!partinfo)
2137                 partinfo = mimeview_get_part_to_use(mimeview);
2138
2139         cm_return_if_fail(partinfo != NULL);
2140
2141         filename = procmime_get_tmp_file_name(partinfo);
2142
2143         if ((err = procmime_get_part(filename, partinfo)) < 0)
2144                 alertpanel_error
2145                         (_("Couldn't save the part of multipart message: %s"),
2146                                 g_strerror(-err));
2147         else
2148                 mimeview_view_file(filename, partinfo, NULL, mimeview);
2149
2150         g_free(filename);
2151 }
2152
2153 #ifndef G_OS_WIN32
2154 void mimeview_open_with(MimeView *mimeview)
2155 {
2156         MimeInfo *partinfo;
2157
2158         if (!mimeview) return;
2159         if (!mimeview->opened) return;
2160         if (!mimeview->file) return;
2161
2162         partinfo = mimeview_get_part_to_use(mimeview);
2163
2164         mimeview_open_part_with(mimeview, partinfo, FALSE);
2165 }
2166
2167 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
2168 {
2169         gchar *filename;
2170         gchar *cmd;
2171         gchar *mime_command = NULL;
2172         gchar *content_type = NULL;
2173         gint err;
2174
2175         cm_return_if_fail(partinfo != NULL);
2176
2177         filename = procmime_get_tmp_file_name(partinfo);
2178
2179         if ((err = procmime_get_part(filename, partinfo)) < 0) {
2180                 alertpanel_error
2181                         (_("Couldn't save the part of multipart message: %s"),
2182                                 g_strerror(-err));
2183                 g_free(filename);
2184                 return;
2185         }
2186
2187         if (!prefs_common.mime_open_cmd_history)
2188                 prefs_common.mime_open_cmd_history =
2189                         add_history(NULL, prefs_common.mime_open_cmd);
2190
2191         if ((partinfo->type == MIMETYPE_APPLICATION) &&
2192             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
2193                 /* guess content-type from filename */
2194                 content_type = procmime_get_mime_type(filename);
2195         }
2196         if (content_type == NULL) {
2197                 content_type = procmime_get_content_type_str(partinfo->type,
2198                         partinfo->subtype);
2199         }
2200
2201         if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
2202         && prefs_common_get_uri_cmd() && prefs_common.uri_cmd[0]) {
2203                 mime_command = g_strdup(prefs_common_get_uri_cmd());
2204                 g_free(content_type);
2205                 content_type = NULL;
2206         } else if (partinfo->type != MIMETYPE_TEXT || !prefs_common_get_ext_editor_cmd()
2207         ||  !prefs_common_get_ext_editor_cmd()[0]) {
2208                 mime_command = mailcap_get_command_for_type(content_type, filename);
2209         } else {
2210                 mime_command = g_strdup(prefs_common_get_ext_editor_cmd());
2211                 g_free(content_type);
2212                 content_type = NULL;
2213         }
2214         if (mime_command == NULL) {
2215                 /* try with extension this time */
2216                 g_free(content_type);
2217                 content_type = procmime_get_mime_type(filename);
2218                 mime_command = mailcap_get_command_for_type(content_type, filename);
2219         }
2220
2221         if (mime_command == NULL)
2222                 automatic = FALSE;
2223
2224         if (!automatic) {
2225                 gboolean remember = FALSE;
2226                 if (content_type != NULL)
2227                         cmd = input_dialog_combo_remember
2228                                 (_("Open with"),
2229                                  _("Enter the command-line to open file:\n"
2230                                    "('%s' will be replaced with file name)"),
2231                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2232                                  prefs_common.mime_open_cmd_history, &remember);
2233                 else
2234                         cmd = input_dialog_combo
2235                                 (_("Open with"),
2236                                  _("Enter the command-line to open file:\n"
2237                                    "('%s' will be replaced with file name)"),
2238                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
2239                                  prefs_common.mime_open_cmd_history);
2240                 if (cmd && remember) {
2241                         mailcap_update_default(content_type, cmd);
2242                 }
2243                 g_free(mime_command);
2244         } else {
2245                 cmd = mime_command;
2246         }
2247         if (cmd) {
2248                 mimeview_view_file(filename, partinfo, cmd, mimeview);
2249                 g_free(prefs_common.mime_open_cmd);
2250                 prefs_common.mime_open_cmd = cmd;
2251                 prefs_common.mime_open_cmd_history =
2252                         add_history(prefs_common.mime_open_cmd_history, cmd);
2253         }
2254
2255         g_free(content_type);
2256         g_free(filename);
2257 }
2258 #endif
2259
2260 static void mimeview_send_to(MimeView *mimeview, MimeInfo *partinfo)
2261 {
2262         GList *attach_file = NULL;
2263         AttachInfo *ainfo = NULL;
2264         gchar *filename;
2265         gint err;
2266
2267         if (!mimeview->opened) return;
2268         if (!mimeview->file) return;
2269
2270         cm_return_if_fail(partinfo != NULL);
2271
2272         filename = procmime_get_tmp_file_name(partinfo);
2273
2274         if (!(err = procmime_get_part(filename, partinfo))) {
2275                 ainfo = g_new0(AttachInfo, 1);
2276                 ainfo->file = filename;
2277                 ainfo->name = g_strdup(get_part_name(partinfo));
2278                 ainfo->content_type = procmime_get_content_type_str(
2279                                         partinfo->type, partinfo->subtype);
2280                 ainfo->charset = g_strdup(procmime_mimeinfo_get_parameter(
2281                                         partinfo, "charset"));
2282                 attach_file = g_list_append(attach_file, ainfo);
2283
2284                 compose_new(NULL, NULL, attach_file);
2285
2286                 g_free(ainfo->name);
2287                 g_free(ainfo->content_type);
2288                 g_free(ainfo->charset);
2289                 g_free(ainfo);
2290                 g_list_free(attach_file);
2291         } else
2292                 alertpanel_error
2293                         (_("Couldn't save the part of multipart message: %s"),
2294                                 g_strerror(-err));
2295         g_free(filename);
2296 }
2297
2298 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
2299                                const gchar *cmd, MimeView *mimeview)
2300 {
2301 #ifndef G_OS_WIN32
2302         gchar *p;
2303         gchar buf[BUFFSIZE];
2304
2305         if (cmd == NULL)
2306                 mimeview_open_part_with(mimeview, partinfo, TRUE);
2307         else {
2308                 if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2309                     !strchr(p + 2, '%')) {
2310                         g_snprintf(buf, sizeof(buf), cmd, filename);
2311                         if (!prefs_common.save_parts_readwrite)
2312                                 g_chmod(filename, S_IRUSR);
2313                         else
2314                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2315                 } else {
2316                         g_warning("MIME viewer command-line is invalid: '%s'", cmd);
2317                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2318                 }
2319                 if (execute_command_line(buf, TRUE, NULL) != 0) {
2320                         if (!prefs_common.save_parts_readwrite)
2321                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2322                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2323                 }
2324         }
2325 #else
2326         SHFILEINFO file_info;
2327         GError *error = NULL;
2328         gunichar2 *fn16 = g_utf8_to_utf16(filename, -1, NULL, NULL, &error);
2329
2330         if (error != NULL) {
2331                 alertpanel_error(_("Could not convert attachment name to UTF-16:\n\n%s"),
2332                                         error->message);
2333                 debug_print("filename '%s' conversion to UTF-16 failed\n", filename);
2334                 g_error_free(error);
2335                 return;
2336         }
2337
2338         if ((SHGetFileInfo((LPCWSTR)fn16, 0, &file_info, sizeof(SHFILEINFO), SHGFI_EXETYPE)) != 0) {
2339                 AlertValue val = alertpanel_full(_("Execute untrusted binary?"),
2340                                       _("This attachment is an executable file. Executing "
2341                                         "untrusted binaries is dangerous and could compromise "
2342                                         "your computer.\n\n"
2343                                         "Do you want to run this file?"), GTK_STOCK_CANCEL,
2344                                         _("Run binary"),
2345                                       NULL, ALERTFOCUS_FIRST, FALSE, NULL, ALERT_WARNING);
2346                 if (val == G_ALERTALTERNATE) {
2347                         debug_print("executing binary\n");
2348                         ShellExecute(NULL, L"open", (LPCWSTR)fn16, NULL, NULL, SW_SHOW);
2349                 }
2350         } else {
2351                 ShellExecute(NULL, L"open", (LPCWSTR)fn16, NULL, NULL, SW_SHOW);
2352         }
2353
2354         g_free(fn16);
2355
2356 #endif
2357 }
2358
2359 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
2360 {
2361         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
2362 }
2363
2364 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
2365 {
2366         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
2367 }
2368
2369 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
2370 {
2371         GSList *mimeview_list, *viewer_list;
2372
2373         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
2374                 MimeView *mimeview = (MimeView *) mimeview_list->data;
2375
2376                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
2377                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
2378                         mimeview->mimeviewer = NULL;
2379                 }
2380
2381                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
2382                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
2383
2384                         mimeviewer->destroy_viewer(mimeviewer);
2385                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
2386                 }
2387         }
2388
2389         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
2390 }
2391
2392 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
2393 {
2394         gint      num;
2395         MimeInfo *partinfo;
2396
2397         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2398         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2399
2400         if (event->button == 1) {
2401                 icon_selected(mimeview, num, partinfo);
2402                 gtk_widget_grab_focus(button);
2403                 icon_list_toggle_by_mime_info(mimeview, partinfo);
2404         }
2405         part_button_pressed(mimeview, event, partinfo);
2406
2407         return FALSE;
2408 }
2409
2410 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
2411 {
2412         GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
2413         GtkTreeIter iter;
2414         GtkTreePath *path;
2415         MimeInfo *curr = NULL;
2416
2417         if (!gtk_tree_model_get_iter_first(model, &iter))
2418                 return;
2419         path = gtk_tree_model_get_path(model, &iter);
2420
2421         do {
2422                 gtk_tree_model_get_iter(model, &iter, path);
2423                 gtk_tree_model_get(model, &iter, COL_DATA, &curr, -1);
2424                 if (curr == partinfo) {
2425                         GtkTreeSelection *sel = gtk_tree_view_get_selection(
2426                                                 GTK_TREE_VIEW(mimeview->ctree));
2427                         gtk_tree_selection_select_iter(sel, &iter);
2428                         gtk_tree_path_free(path);
2429                         return;
2430                 }
2431         } while (mimeview_tree_next(model, path));
2432
2433         gtk_tree_path_free(path);
2434 }
2435
2436 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
2437 {
2438         icon_list_toggle_by_mime_info(mimeview, partinfo);
2439         icon_selected(mimeview, -1, partinfo);
2440 }
2441
2442 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
2443                              MimeView *mimeview)
2444 {
2445         SummaryView  *summaryview;
2446
2447         if (!event) return FALSE;
2448
2449         switch (event->keyval) {
2450         case GDK_KEY_space:
2451                 if (mimeview_scroll_page(mimeview, FALSE))
2452                         return TRUE;
2453
2454                 mimeview_select_next_part(mimeview);
2455                 return TRUE;
2456
2457                 break;
2458         case GDK_KEY_BackSpace:
2459                 mimeview_scroll_page(mimeview, TRUE);
2460                 return TRUE;
2461         case GDK_KEY_Return:
2462         case GDK_KEY_KP_Enter:
2463                 mimeview_scroll_one_line(mimeview,
2464                                          (event->state & GDK_MOD1_MASK) != 0);
2465                 return TRUE;
2466         case GDK_KEY_y:
2467                 BREAK_ON_MODIFIER_KEY();
2468                 mimeview_save_as(mimeview);
2469                 return TRUE;
2470         case GDK_KEY_t:
2471                 BREAK_ON_MODIFIER_KEY();
2472                 mimeview_display_as_text(mimeview);
2473                 return TRUE;
2474         case GDK_KEY_l:
2475                 BREAK_ON_MODIFIER_KEY();
2476                 mimeview_launch(mimeview, NULL);
2477                 return TRUE;
2478 #ifndef G_OS_WIN32
2479         case GDK_KEY_o:
2480                 BREAK_ON_MODIFIER_KEY();
2481                 mimeview_open_with(mimeview);
2482                 return TRUE;
2483 #endif
2484         case GDK_KEY_c:
2485                 BREAK_ON_MODIFIER_KEY();
2486                 mimeview_check_signature(mimeview);
2487                 return TRUE;
2488         case GDK_KEY_a:
2489                 BREAK_ON_MODIFIER_KEY();
2490                 mimeview_select_next_part(mimeview);
2491                 return TRUE;
2492         default:
2493                 break;
2494         }
2495
2496         if (!mimeview->messageview->mainwin) return FALSE;
2497         summaryview = mimeview->messageview->mainwin->summaryview;
2498         return summary_pass_key_press_event(summaryview, event);
2499 }
2500
2501 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
2502 {
2503         MimeView *mimeview = (MimeView *)data;
2504         MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
2505
2506         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2507                           "pop_partinfo", partinfo);
2508         gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
2509                        NULL, NULL, NULL, NULL,
2510                        0, gtk_get_current_event_time());
2511         return TRUE;
2512 }
2513
2514 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
2515 {
2516         GtkWidget *pixmap = NULL;
2517         GtkWidget *vbox;
2518         GtkWidget *button;
2519         gchar *tip;
2520         gchar *tiptmp;
2521         const gchar *desc = NULL;
2522         gchar *sigshort = NULL;
2523         gchar *content_type;
2524         StockPixmap stockp;
2525         MimeInfo *partinfo;
2526         MimeInfo *siginfo = NULL;
2527         MimeInfo *encrypted = NULL;
2528 #ifdef GENERIC_UMPC
2529         GtkRequisition r;
2530 #endif
2531
2532         if (!prefs_common.show_inline_attachments && mimeinfo->id)
2533                 return;
2534
2535         vbox = mimeview->icon_vbox;
2536         mimeview->icon_count++;
2537         button = gtk_event_box_new();
2538
2539         g_signal_connect(G_OBJECT(button), "motion-notify-event",
2540                          G_CALLBACK(mimeview_visi_notify), mimeview);
2541         g_signal_connect(G_OBJECT(button), "leave-notify-event",
2542                          G_CALLBACK(mimeview_leave_notify), mimeview);
2543         g_signal_connect(G_OBJECT(button), "enter-notify-event",
2544                          G_CALLBACK(mimeview_enter_notify), mimeview);
2545
2546         gtk_container_set_border_width(GTK_CONTAINER(button), 2);
2547         g_object_set_data(G_OBJECT(button), "icon_number",
2548                           GINT_TO_POINTER(mimeview->icon_count));
2549         g_object_set_data(G_OBJECT(button), "partinfo",
2550                           mimeinfo);
2551
2552         switch (mimeinfo->type) {
2553
2554         case MIMETYPE_TEXT:
2555                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2556                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
2557                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
2558                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
2559                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
2560                         stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
2561                 else if  (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
2562                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff")))
2563                         stockp = STOCK_PIXMAP_MIME_TEXT_PATCH;
2564                 else
2565                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
2566                 break;
2567         case MIMETYPE_MESSAGE:
2568                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
2569                 break;
2570         case MIMETYPE_APPLICATION:
2571                 if (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature")
2572                     || !g_ascii_strcasecmp(mimeinfo->subtype, "x-pkcs7-signature")
2573                     || !g_ascii_strcasecmp(mimeinfo->subtype, "pkcs7-signature")))
2574                         stockp = STOCK_PIXMAP_MIME_PGP_SIG;
2575                 else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
2576                         stockp = STOCK_PIXMAP_MIME_PDF;
2577                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
2578                         stockp = STOCK_PIXMAP_MIME_PS;
2579                 else
2580                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
2581                 break;
2582         case MIMETYPE_IMAGE:
2583                 stockp = STOCK_PIXMAP_MIME_IMAGE;
2584                 break;
2585         case MIMETYPE_AUDIO:
2586                 stockp = STOCK_PIXMAP_MIME_AUDIO;
2587                 break;
2588         default:
2589                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
2590                 break;
2591         }
2592
2593         partinfo = mimeinfo;
2594         while (partinfo != NULL) {
2595                 if (privacy_mimeinfo_is_signed(partinfo)) {
2596                         siginfo = partinfo;
2597                         break;
2598                 }
2599                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
2600                         encrypted = partinfo;
2601                         break;
2602                 }
2603                 partinfo = procmime_mimeinfo_parent(partinfo);
2604         }
2605
2606         if (siginfo != NULL) {
2607                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
2608                 case SIGNATURE_UNCHECKED:
2609                 case SIGNATURE_CHECK_FAILED:
2610                 case SIGNATURE_CHECK_TIMEOUT:
2611                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2612                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2613                         break;
2614                 case SIGNATURE_OK:
2615                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2616                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2617                         break;
2618                 case SIGNATURE_WARN:
2619                 case SIGNATURE_KEY_EXPIRED:
2620                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2621                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
2622                         break;
2623                 case SIGNATURE_INVALID:
2624                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2625                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2626                         break;
2627                 }
2628                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2629         } else if (encrypted != NULL) {
2630                         pixmap = stock_pixmap_widget_with_overlay(stockp,
2631                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2632         } else {
2633                 pixmap = stock_pixmap_widget_with_overlay(stockp, 0,
2634                                                           OVERLAY_NONE, 6, 3);
2635         }
2636         gtk_container_add(GTK_CONTAINER(button), pixmap);
2637         if (!desc) {
2638                 if (prefs_common.attach_desc)
2639                         desc = get_part_description(mimeinfo);
2640                 else
2641                         desc = get_part_name(mimeinfo);
2642         }
2643
2644         content_type = procmime_get_content_type_str(mimeinfo->type,
2645                                                      mimeinfo->subtype);
2646
2647         tip = g_strconcat("<b>", _("Type:"), "  </b>", content_type,
2648                           "\n<b>", _("Size:"), " </b>",
2649                           to_human_readable((goffset)mimeinfo->length), NULL);
2650         g_free(content_type);
2651         if (desc && *desc) {
2652                 gchar *tmp = NULL, *escaped = NULL;
2653                 if (!g_utf8_validate(desc, -1, NULL)) {
2654                         tmp = conv_filename_to_utf8(desc);
2655                 } else {
2656                         tmp = g_strdup(desc);
2657                 }
2658                 escaped = g_markup_escape_text(tmp,-1);
2659
2660                 tiptmp = g_strconcat(tip, "\n<b>",
2661                                 prefs_common.attach_desc && mimeinfo->description ?
2662                                 _("Description:") : _("Filename:"),
2663                                 " </b>", escaped, NULL);
2664                 g_free(tip);
2665                 tip = tiptmp;
2666                 g_free(tmp);
2667                 g_free(escaped);
2668         }
2669         if (sigshort && *sigshort) {
2670                 gchar *sigshort_escaped =
2671                         g_markup_escape_text(sigshort, -1);
2672
2673                 tiptmp = g_strjoin("\n", tip, sigshort_escaped, NULL);
2674                 g_free(tip);
2675                 g_free(sigshort_escaped);
2676                 tip = tiptmp;
2677         }
2678         g_free(sigshort);
2679
2680         gtk_widget_set_tooltip_markup(button, tip);
2681         g_free(tip);
2682         gtk_widget_show_all(button);
2683         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2684                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2685
2686         g_signal_connect(G_OBJECT(button), "popup-menu",
2687                          G_CALLBACK(icon_popup_menu), mimeview);
2688         g_signal_connect(G_OBJECT(button), "button_release_event",
2689                          G_CALLBACK(icon_clicked_cb), mimeview);
2690         g_signal_connect(G_OBJECT(button), "key_press_event",
2691                          G_CALLBACK(icon_key_pressed), mimeview);
2692         g_signal_connect(G_OBJECT(button), "drag_data_get",
2693                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2694         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2695 #ifdef GENERIC_UMPC
2696         gtk_widget_size_request(pixmap, &r);
2697         gtk_widget_set_size_request(button, -1, r.height + 4);
2698 #endif
2699
2700 }
2701
2702 static void icon_list_clear (MimeView *mimeview)
2703 {
2704         GList     *child, *orig;
2705         GtkAdjustment *adj;
2706
2707         orig = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2708         for (child = orig; child != NULL; child = g_list_next(child)) {
2709                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2710                                        GTK_WIDGET(child->data));
2711         }
2712         g_list_free(orig);
2713         mimeview->icon_count = 0;
2714         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2715         gtk_adjustment_set_value(adj, gtk_adjustment_get_lower(adj));
2716         gtk_adjustment_changed(adj);
2717 }
2718
2719 /*!
2720  *\brief        Used to 'click' the next or previous icon.
2721  *
2722  *\return       true if the icon 'number' exists and was selected.
2723  */
2724 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2725                                          GtkAllocation *size, MimeView *mimeview)
2726 {
2727         GtkAllocation vbox_size;
2728         GtkAllocation layout_size;
2729         GtkAdjustment *adj;
2730         guint width;
2731         guint height;
2732
2733         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2734
2735         gtk_widget_get_allocation(mimeview->icon_vbox, &vbox_size);
2736         gtk_widget_get_allocation(mimeview->icon_scroll, &layout_size);
2737
2738         gtk_layout_get_size(GTK_LAYOUT(mimeview->icon_scroll), &width, &height);
2739         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2740                             width,
2741                             MAX(vbox_size.height, layout_size.height));
2742         gtk_adjustment_set_step_increment(adj, 10);
2743 }
2744
2745 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2746 {
2747         GtkRequisition size;
2748         GtkRequisition requisition;
2749
2750         cm_return_if_fail(mimeinfo != NULL);
2751
2752         while (mimeinfo != NULL) {
2753                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2754                         icon_list_append_icon(mimeview, mimeinfo);
2755                 if (mimeinfo->node->children != NULL)
2756                         icon_list_create(mimeview,
2757                                 (MimeInfo *) mimeinfo->node->children->data);
2758                 mimeinfo = mimeinfo->node->next != NULL
2759                          ? (MimeInfo *) mimeinfo->node->next->data
2760                          : NULL;
2761         }
2762         gtk_widget_size_request(mimeview->icon_vbox, &size);
2763         gtk_widget_get_requisition(mimeview->icon_mainbox, &requisition);
2764         if (size.width > requisition.width) {
2765                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2766                                             size.width, -1);
2767         }
2768         if (mimeview->opened)
2769                 icon_list_toggle_by_mime_info(mimeview,
2770                         mimeview_get_node_part(mimeview, mimeview->opened));
2771 }
2772
2773 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
2774                                            MimeInfo     *mimeinfo)
2775 {
2776         GList *children, *child;
2777
2778         children = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2779         for (child = children; child != NULL; child = g_list_next(child)) {
2780                 gboolean *highlight = NULL;
2781                 GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2782
2783                 if (!GTK_IS_EVENT_BOX(child->data))
2784                         continue;
2785
2786                 highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2787                 *highlight = (g_object_get_data(G_OBJECT(child->data),
2788                                       "partinfo") == (gpointer)mimeinfo);
2789
2790                 gtk_widget_queue_draw(icon);
2791         }
2792         g_list_free(children);
2793 }
2794
2795 static void ctree_size_allocate_cb(GtkWidget *widget, GtkAllocation *allocation,
2796                                     MimeView *mimeview)
2797 {
2798         prefs_common.mimeview_tree_height = allocation->height;
2799 }
2800
2801 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
2802                                     MimeView *mimeview)
2803 {
2804         g_object_ref(button);
2805
2806         mimeview_leave_notify(button, NULL, NULL);
2807
2808         mimeview->ctree_mode = !mimeview->ctree_mode;
2809         if (mimeview->ctree_mode) {
2810                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_RIGHT,
2811                                         GTK_SHADOW_NONE);
2812                 gtk_widget_hide(mimeview->icon_mainbox);
2813                 gtk_widget_show(mimeview->ctree_mainbox);
2814                 gtk_paned_set_position(GTK_PANED(mimeview->paned),
2815                                         prefs_common.mimeview_tree_height);
2816
2817                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2818                                         button);
2819                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2820                                    button, FALSE, FALSE, 0);
2821         } else {
2822                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_LEFT,
2823                               GTK_SHADOW_NONE);
2824                 gtk_widget_hide(mimeview->ctree_mainbox);
2825                 gtk_widget_show(mimeview->icon_mainbox);
2826                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2827
2828                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2829                                         button);
2830                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2831                                    button, FALSE, FALSE, 0);
2832                 gtk_box_reorder_child(GTK_BOX(gtk_widget_get_parent(button)), button, 0);
2833                 if (mimeview->opened)
2834                         icon_list_toggle_by_mime_info(mimeview,
2835                                         mimeview_get_node_part(mimeview, mimeview->opened));
2836                 summary_grab_focus(mimeview->mainwin->summaryview);
2837         }
2838         g_object_unref(button);
2839         return TRUE;
2840 }
2841
2842 void mimeview_update (MimeView *mimeview)
2843 {
2844         if (mimeview && mimeview->mimeinfo) {
2845                 icon_list_clear(mimeview);
2846                 icon_list_create(mimeview, mimeview->mimeinfo);
2847         }
2848 }
2849
2850 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2851 {
2852         MessageView *msgview = NULL;
2853         MainWindow *mainwin = NULL;
2854
2855         if (!cmd)
2856                 return;
2857
2858         msgview = mimeview->messageview;
2859         if (!msgview)
2860                 return;
2861
2862         mainwin = msgview->mainwin;
2863         if (!mainwin)
2864                 return;
2865
2866         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2867                           "pop_partinfo", NULL);
2868
2869         if (!strcmp(cmd, "sc://view_log"))
2870                 log_window_show(mainwin->logwin);
2871         else if (!strcmp(cmd, "sc://save_as"))
2872                 mimeview_save_as(mimeview);
2873         else if (!strcmp(cmd, "sc://display_as_text"))
2874                 mimeview_display_as_text(mimeview);
2875 #ifndef G_OS_WIN32
2876         else if (!strcmp(cmd, "sc://open_with"))
2877                 mimeview_open_with(mimeview);
2878 #endif
2879         else if (!strcmp(cmd, "sc://open"))
2880                 mimeview_launch(mimeview, NULL);
2881         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2882                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2883                 icon_selected(mimeview, -1, (MimeInfo *)data);
2884         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2885                 mimeview_launch(mimeview, (MimeInfo *)data);
2886         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2887                 mimeview->spec_part = (MimeInfo *)data;
2888                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2889         } else if (!strncmp(cmd, "sc://search_tags:", strlen("sc://search_tags:"))) {
2890                 const gchar *tagname = cmd + strlen("sc://search_tags:");
2891                 gchar *buf = g_strdup_printf("tag matchcase \"%s\"", tagname);
2892                 gtk_toggle_button_set_active(
2893                                 GTK_TOGGLE_BUTTON(mimeview->messageview->mainwin->summaryview->toggle_search),
2894                                 TRUE);
2895                 quicksearch_set(mimeview->messageview->mainwin->summaryview->quicksearch,
2896                                 ADVANCED_SEARCH_EXTENDED, buf);
2897                 g_free(buf);
2898         }
2899 }
2900
2901 gboolean mimeview_scroll_page(MimeView *mimeview, gboolean up)
2902 {
2903         if (mimeview->type == MIMEVIEW_TEXT)
2904                 return textview_scroll_page(mimeview->textview, up);
2905         else if (mimeview->mimeviewer) {
2906                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2907                 if (mimeviewer->scroll_page)
2908                         return mimeviewer->scroll_page(mimeviewer, up);
2909         }
2910         return TRUE;
2911 }
2912
2913 void mimeview_scroll_one_line(MimeView *mimeview, gboolean up)
2914 {
2915         if (mimeview->type == MIMEVIEW_TEXT)
2916                 textview_scroll_one_line(mimeview->textview, up);
2917         else if (mimeview->mimeviewer) {
2918                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2919                 if (mimeviewer->scroll_one_line)
2920                         mimeviewer->scroll_one_line(mimeviewer, up);
2921         }
2922 }