src/mimeview.c

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