src/mimeview.c

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