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